12 execution planpb-facilitiespetrochemicals

Buildings Practice Facilities Plants/PetrochemicalsChapter 12

Execution Plan Project Implementation Following statements have been included exactly as produced during job for certain interna-

tional bids to support technically, as a part of Technical Bid (Project implementation strategy)

Process Buildings Package

Sample OnlyEngineering Design Building Engineering Design 1 Management necessitates an integrated approach to formulate an overall philosophy,

capable to achieve an intellectual product, covering & incorporating a wide range of performance & serviceability requirements that shall completely meet intended functions of proposed building adequately, satisfying architectural, structural & allied services compatibilities with highest reliability factor.

2 For target achievement of this fast track EPC project, it shall be kept in consideration by all discipline engineers/designers to release applicable necessary documents on scheduled planned line.

3 To accomplish good performance respecting this part of package to meet best possible standards, EPC contractor shall invite, either to bid for consultancy certain (possibly 3) reputed & leading architectural engineering firms to serve as engineering services subcontractor or organize its own in house section or division for design part.

4 Based on merits of each offer as well as, applying meeting demanded competency criteria, a preliminary selection shall be made.

5 After obtaining engineer/client/owner approval respecting proposed firm, a formal appointment shall be made by executing an engineering services agreement or in house section’s head supported by design team should be appointed to carry out project designs tasks.

6 Engineering services subcontractor hereinafter shall be called ‘Design Firm’ or for in house application, shall be called EPC design section.

Scope of FirmIn house design section shall include, but not be limited to carrying out design works within scope of contract as well as, following defined engineering services’ operations for all buildings included within ‘Process Buildings Package’1 Undertaking additional surveys, intrusive surveys and investigations, as may be necessary

for support to intended engineering designs. 2 Soil Investigations as required on engineering basis for accomplishing engineering designs

shall also, be conducted.3 (Topographic survey shall be performed by contractor employing a qualified GPS

competent party on a third party basis)4 Production of all architectural, structural & allied services schematic designs in all respects

beginning from FEED documentation or provided FEED interpretation.5 Perform all studies, design calculations etc. for all activities & components within project

works scope.6 Secure support for all governmental and local authority permits and approvals, if so

necessary, when not procured by owner or client.7 Provide statutory design certifications as required by bye laws or other laws.8 Compilation of all outstanding data deemed necessary for completion of project detailed

engineering design.9 Production of all architectural & structural detailed designs for engineer/owner or client’s approval

of 68 2012 Int. P Eng Suraj Singh


Execution Plan Project Implementation to comply with relevant provisions on contract & match subcontract requirements.

10 Act as EPC contractor’s design & engineering representative for relevant buildings contract scope of works civil & architectural scope from its inception to completion, as & when required.

Building servicesConceptual drawings only, for plumbing & sanitary, drainage, small power & lighting, HVAC, fire fighting, fire & gas detection/loss prevention, structured cabling system, security system etc. all1 Liaison, coordinate & lead EPC contractor/services subcontractors’ design & engineering

efforts.2 (EPC contractor’s services subcontractors shall be responsible for delivering detailed

designs and engineering for their relevant scope based on provided conceptual drawings and other basic documents directing designs criteria issued by design firm) to obtain necessarily approvals from engineer/owner/client as case may be.

3 Firm shall issue its package drawings/documents production schedule immediately, after award & commence its design work at various levels keeping in line to programme schedule.

4 Firm shall represent EPC contractor at engineer/owner/client offices/officials at whatever locations, on site or off sites or overseas as EPC contractor’s design & engineering representative, during course of this contract from its inception to completion as & whenever, so required.

5 Engineering coordination with design firm shall be conducted from EPC contractor’s head office.

6 All field interfaces shall be conducted from site offices in collaboration with EPC contractor’s field engineers

7 All other remaining functional descriptions shall be conducted by EPC contractor’s personnel, located both in its head office as well as, on its site offices depending on function wise technical nature, required to be conducted with, for either resolution or for record.

8 All engineering design products shall be managed conforming to national & international standards included on, within contract documents for demanded technicalities as well as, for project standard document controls.

9 Firm shall comply with provisions on agreed documentation system & conduct its relevant operations in all respects accordingly.

10 All produced approvable design documents shall be given appropriate numbering reference to meet traceability requirement.

11 EPC contractor operates its own system of centralized document control, which shall be used fully complying in accordance to engineer/client/owner/company procedures by reformation, if so required.

12 Firm shall produce & issue required scheduled documents at various stages of works for reviewing, approval & achieving AFC status etc. efficiently, keeping in line with approved project construction plan on various phases.

13 Any delay on this account shall not be acceptable to EPC contractor management. 14 Immediately, after issue of control documents to project site team, field/design engineers

shall conduct review of design to ensure constructability & consequently, relevant design engineer raise technical queries to remedy certain discrepancies among these documents, if so discovered, which should immediately, be resolved by design firm & duly informed to EPC contractor/engineer.

15 All such documents shall be processed through in action documentation system facilitating



Execution Plan Project Implementation most convenient traceability for consultancy & reference.

16 Consequent upon relevant resolution of discrepancies, affected design drawings shall be revised & reissued for construction, duly incorporated with agreed solutions & circulated through documents control regularly, to all concerned personnel.

17 Buildings services schematic drawings shall be issued to subcontractors for further development of shop & working drawings for EPC contractor’s approval & issued to concerned parties, after getting duly approved for construction.

18 Necessary structural shop drawings shall be produced by EPC contractor’s own engineering personnel located in head as well as, on site offices, which shall also, be processed into document control system for EPC contractor/engineer & issued to relevant concerned parties after getting duly approved for construction.

19 Preparation of requisitions for enquiry and award, technically evaluate bids and review of vendor/lower tier subcontractor documentation shall be done by purchase manager in collaboration with project manager.

20 All these procedures have been incorporated on company authorized procurement procedures document.

Detailed Engineering Design 1 Preparation, issue and control of calculations, specifications, drawings, material requisitions

and bills of materials. 2 Extent of computer applications for these activities. 3 At its very first stage of commencement respecting detailed designs, Firm shall formulate

positioning of all framing members vertically & horizontally befitting coordinates as well as, level controls meeting intended architectural requirement maintaining applicable basic design principles that conventionally, whole structural skeleton behaves as an integral unit with its centre of gravity passing through or within its permissible vicinity of forces resultant of all over applied forces considered, avoiding an eccentricity and that settlement of formation soil should be within permissible limits.

4 After considering all direct & indirect imposed loadings according to various relevant codes, design model shall be generated using Firm software.

5 Loadings shall include, direct loads such as dead load, live load, seismic shear (though may not be applicable in project geographical location, that requires reference to seismic zoning map of nation)/wind load, blast load/effect, test load/application & also, considering various analysis, a most critical case of resulting stresses shall be considered to be adopted for preliminary dimensioning with further details of various vertical & horizontal members forming initial framing skeleton.

6 Generated model in 3D may be made available for formal presentation to EPC contractor/engineer & company to explain & justify design adopted philosophy, if so required.

7 Calculations shall be conducted trying various options of loadings in 2D/3 D & included with its design proposal for approval.

8 These calculations shall be made & certified by a chartered engineer of Firm for structural adequacy & structural intended performance.

Services Designs 1 Designs of services shall be carried out discipline wise.2 Electrical discipline in accordance to provision of electrical loadings design criteria as

indicated on company/engineer/EPC contractor’s documents, loadings, distribution of loading & all other parameters shall be adopted & calculated adhering to national & international standards, IEE as well as, national authorities regulations/schematic drawings



Execution Plan Project Implementation produced meeting intended architectural schematic drawings requirements.

3 Similarly, all loads from system HVAC disciplines as well as, from other remaining disciplines shall be included.

4 This design coordination shall be conducted in close interface with all disciplines to be affected /coordinated by responsible services design coordinator/design project engineer or manager.

5 All these details shall be included on drawings documents for approval. 6 All designs shall be generated using appropriate computer software package

Specialised disciplineLoss prevention & others1 On similar pattern as described in foregoing, detailed designs shall be calculated meeting all

requirements of contract specification, disciplinary performance as well as, meeting international & conventional standards, complying with local bodies statutory provisions.

2 From foregoing approved documents, bill of quantities shall be generated discipline wise & building wise, which document should be utilised for purpose of material approval proposal, issue of requisitions of approved materials to procurement manager.

3 Bill of quantities shall not constitute part of contract documents, but serve as guidance.4 All bills shall be generated using appropriate computer software package.

Specifications/Supplement Specifications1 It is intended to adhere to company specifications provided by EPC within documents to

every extent possible, however, to meet some particular requirement/supplement specifications shall be drawn & proposed for approval, wherever necessary for producing better product or materials, for which no specification is defined.

2 These shall be drawn in collaboration with Firm & contractor design team keeping in view an overall approach to documented specification criteria as well as, conventional engineering & construction practice in similar circumstances.

Coordination Procedures1 Following entitled coordination shall be conducted during various stages of design &

execution that have been outlined below

Coordination between contractor & its head office1 This part shall be conducted by regular interaction among contractor representatives head

office based in …… & local office to help resolve all pre & post award issue of engineering services & monitoring project controls

Coordination between contractor & site office1 This part shall be conducted by regular interaction among contractor & site representatives

to help resolve all pre & post award issue of engineering services & monitoring project controls

Coordination between contractor & Firm1 This part shall be conducted by frequent interaction between contractor & Firm

representatives respecting all disciplines for resolution of all designs issues, issue of all documents, approval of all documents & resolution of all engineering issues on site

Coordination between contractor/Firm & EPC1 This shall resolve all issues respecting engineering designs particularly, during design stage



Execution Plan Project Implementation as well as, generally, during construction phases for efficient decisions making to help smooth execution/prosecution of all activities

Coordination between contractor/Firm & site1 This shall resolve all issues respecting engineering designs during construction phases on

site for efficient decisions making to help smooth execution of involved activities. 2 This is essential to keep on fast track availability of complete design information for all

ongoing as well as, planned activities & should information be pending, it shall be identified, coordinated & made available on site prior to its requirement, to avoid problem of execution

Contractor internal coordination among various sections1 Contractor in head office organized with all corporate sections necessary to meet

requirement of this project shall operate as an integral functional team, keeping on resolving regularly & as required, all issues of project designs & follow up in all respects.

2 This coordination should be ongoing on daily basis with frequent interaction among all corporate managers as well as, supporting professionals, which should help resolutions of all current & forthcoming issues.

3 Management meetings are conducted regularly, for making decisions to avoid pending/ identified problems

Contractor internal coordination among various sections on site1 Similarly, on site all project sections managers & supporting professionals shall coordinate

to resolve all types of problems to avoid whatever pending /identified problems & notify to corporate management for immediate resolutions, should solution not be possible from site.

Review and approval of documents 1 This requires effecting an instant action on part of contractor, whenever certain document is

received, must be reviewed by its design team located at head office/site office as case may be, prior to formally submitting to client.

2 After its submission, EPC shall process it through system & after obtaining company/client’s approval, return approved or commented original to contractor/firm for further necessary contractor’s action.

3 All documentation shall be carried out adhering to EPC contractor documentation system, after tuning that in line to company requirement

CAD Procedure1 It is intended to use standard CAD software for production of design & drawings. 2 All standard system of designing shall be adopted at every workstation available in Firm

offices. 3 Details of all available software & hardware have been given within attachment. 4 Also, included hardware & software details, which are functional in proposed engineering

subcontractor/firm office

Engineering Reporting and Change Control1 Status of design progress shall be submitted to EPC on a weekly basis during progress

meeting. 2 Should certain change be required, that shall be affirmatively, considered subject to cost

impact resolution & then change incorporation request issued by EPC/contractor to Firm. 3 Firm shall then work on revision, its calculations & advise to EPC/contractor of whatever



Execution Plan Project Implementation adverse effect on structural adequacy/performance or if some amendment to be applied to already worked element/member.

4 Should there be no such adverse consideration, design shall be revised & revised document issued following documentation & approval procedures.

Document Control Procedure1 Contractor operates its centralized DCC in head office that shall be tuned to EPC/company

documentation system & extended to site office to meet project requirement. 2 Contractor document control system is enclosed for reference.

Vendor Print Numbering, Review and Distribution Procedure 1 All vendors shall be issued schedule of document numbers to be printed on documents

adequately, in advance of documents preparation. 2 All approved procedures of documents shall also, apply to vendors' designs.

As built Drawings 1 As built drawings serve purpose of telling user about building records that should be used

for purpose of maintenance/or for whatever purpose possible. 2 It is therefore, an important & significant part of documentation as well as, also, a

contractual obligation on part of Contractor & EPC contractor, which should be affected smoothly & regularly, throughout duration of project.

3 Should there be no change on released for construction drawings i.e. construction has been carried out all in accordance with approved documents provisions, there shall be no purpose of as built drawings.

4 But in practice, to produce physical structures, some changes are imminent due to rising of new requirement, changes, effects of disciplinary interfaces to bring work to proper use functions etc.

5 During whole currency of contract, it should be an endeavour of contractor that all changes are recorded on contract documents as Red Lines mark up & issued to EPC contractor for approval.

6 These red lines mark up shall form basis of producing all as built documents on project. 7 It is not drawings only that are to be recorded, but also, all changes whatsoever, for all

documents on record. 8 All these as built shall form part of handover dossiers. 9 Should as built records be maintained regularly, this part of dossiers shall be comfortably

produced10 Site design engineers shall keep an eye on this activity, record changes regularly, as red line

mark up & process documentation to fulfil contractual obligation to this extent possible. 11 It is expected of site engineers, design engineers as well as, land surveyors to coordinate on

site to comply with this obligation efficiently. 12 All survey changes or variations shall also, be recorded on drawings based on pre pour &

post pour records received from survey section. 13 Surveyor shall present all such changes on corresponding documents to be recorded as red

line mark ups.

Inspection & Test Plans1 All necessary inspection & test plans shall be originated by quality engineer in collaboration

with engineering in head office & engineering in site team. 2 These ITPs formats shall be issued for EPC contractor & company approval according to

procedures laid down on project quality plan.



Execution Plan Project Implementation 3 Production of all these documents shall be responsibility of contractor quality

manager/engineer. 4 Complete details about quality management system have been included on respective

quality procedures document. 5 Generally, ITPs for all disciplinary activities shall be produced for EPC contractor &

company approval from site office in due course. 6 All defined tests shall be conducted by EPC contractor/company approved laboratory

located on site. 7 For those items tests shall be conducted by whatever EPC contractor/company nominated

laboratory, for which facilities are not available on site. 8 Details of these plans shall be submitted separately. 9 Every ITP shall be allotted a document number along with a numbered checklist. 10 Check list shall form basis of inspection requirements.

Project ControlsProject control management requires formation of strategies, which can be utilized optimally to achieve target with minimum cost with best quality product 1 To achieve as aforesaid, it is extremely important that complete project should be analyzed

from whole to one/part & all necessary resources to be used should be known prior to commencement of physical works.

2 Based on project design, construction, commissioning and maintenance durations, analysis, planning & charting out at various levels shall be carried out by planning engineer.

3 Further based on these periods, all necessary resources shall be arranged & mobilized by human resources, materials, and technical managers in collaboration with project manager.

4 Plans shall be monitored regularly, as project construction progresses, on a weekly basis, monthly bases & no delay allowed & if delayed, immediate recovery shall be planed.

5 Relevant reporting shall project real quantum of planned & actual physical works, resources available, deficiency of resources, material procurement status, materials delivered & expected time of arrival etc. including all necessary measures required to keep construction on line & valuation worked accordingly.

6 Every effort should be made to keep progress in line with plan.7 I was asked a question during my interview by IEI national committee under EMF

provisions for entitling international professional engineer, regarding recovery method of delayed project to which question, my reply was altogether different, since I did not accept delays on fast track significant projects, due to impositions of liquidated damages clause as well as, importing other penalties, namely performance guarantee fine & advocated that monitoring would be an exclusive answer to contain such possible delays, which monitoring should be conducted on a daily basis, on a weekly basis, on a monthly & quarterly basis, without allowing a day for delay.

8 It is job of a project manager to keep project on tracks for a contractual delivery or else, PM is a failure provided, resources are available to meet demands from time to time

9 Site management with support from corporate management is responsible for delays & also, for smooth progress on projects, subject to allowing required resources

10 In current scenario pertinent fast tract projects, delays are not acceptable, but value engineering should be encouraged by delivering project on pre pone schedule.

11 PM & planning engineer must keep a close watch o entire project performance regularly, by conducting intensive interactions with all support members from CM to foreman level

12 All engineering & construction problems must be resolved in time to avoid delays on whatever requirement deliveries

13 Interactions should also, be conducted with designers & consultants for reaching all early



Execution Plan Project Implementation solutions pertinent to various technical & financial issues

14 PM & planning manager must walk through sites regularly, to record missing activities directly from site status as well as, by conducting site inquiries from relevant personnel

15 Regularly, this management group should conduct daily output meetings as well as, weekly progress meetings to keep all involved face to face during interactions & should feel accountable for job responsibilities

ProcurementNote-term Material herein includes equipment as well1 According to site requirement & provisions made on plan, for temporary materials &

consumables, requisitions shall be raised from site by relevant engineer, checked, numbered & coded by material controller/approved by construction manager for transmission to head office procurement manager for further action.

2 Cost controller shall further check budgetary provision applicable & give clearance to purchase manager for procurement.

3 Purchase manager shall then invite inquiries from various sources of material, negotiate & prepare a comparative statement & based on merits of responses/quotations, record comments based on comparative statement as well as, recommendations for considerations by management.

4 After reviewing proposal, management shall approve or reject proposal. 5 Purchase order shall be released on all approved proposals. 6 An alternative source shall be located for rejected proposal. 7 A copy of approval shall be provided to project manager for follow up delivery.8 For permanent works, proposed material shall be submitted for EPC contractor/company

approval on requisite material approval request form along with brochures/samples if applicable, processed through document centre after project manager approval.

9 After obtaining EPC contractor/company approval on request, procurement manager shall process requisitioned approved item based on budget quantities following in line procedures applicable for temporary materials.

10 After material is delivered to site, material controller & relevant engineer shall check quality & quantity of delivery.

11 Whatever deficiency in quantity, quality or damage observed, shall immediately, be notified to procurement manager through construction manager.

12 Delivery information shall be circulated to concerned personnel & quality manager self shall or delegate an inspector/or relevant inspector check adequacy of quality & if necessary according to ITP provision, invite EPC contractor/company engineer to inspect/examine delivery.

13 Selected samples of delivered materials shall be sent to an approved laboratory for technical tests for purpose of certification of compliance.

14 After inspections & approvals, delivered materials shall be recorded within stores receipt documents, an issue to site may be undertaken thereafter.

15 Post placement of purchase order, procurement manager shall track various stages of material production & transportation or shipment to site/delivery & if so noticed that an expectation exists for delay in delivery, apply all efforts to expedite delivery on appointed date.

16 Materials shall be stored in proper designated areas complying with manufacturer’s instructions.

17 Separate area shall be located for materials requiring certain temperature of storage, which stores should be well constructed & shaded.

18 Generally, all consumables shall be stored in shade provided with proper lock & key



Execution Plan Project Implementation arrangement.

19 Materials which remain unaffected by exposition to weather, may be stored open duly protected under proper watch & ward.

20 Proper protection shall be made for all stored materials inside covered area or outside.21 Necessary protection by removable membranes, such as polythene or tarpaulins shall be

used to protect material from ingress of moistures or from effect of dust. 22 Storage of all materials delivered shall be done complying to set & approved procedures,

making sure that all inventories can be verified all times & that all materials can be traced all times easily.

23 All entries of incoming deliveries shall be recorded into register, verified by store keeper & material controller that it complies with details included on deliveries documents.

24 Whatever deficiency noticed shall be immediately, reported to procurement manager.25 After acceptance of material by concerned authority only, a store issue shall be affected &

recorded on required issue documentation. 26 Regularly status of all receipts, issues & balance in stores shall be reported to construction

& project manager, who should act further depending on project requirement. 27 Elaborate details have been given on contractor procurement procedures document

International and local transportation and customs clearance1 Materials & equipment that have to be imported from overseas shall also, follow foregoing

procedures with addition that necessary letter of credits shall be opened by contractor adequately, in advance of required date of delivery, adhering to schedule date, so that delivery is shipped in time from original source.

2 Contractor procurement manager shall arrange all port clearances immediately, of shipment arrival & material shipped to work site.

3 Tests & examinations shall be conducted similarly, as aforesaid. 4 All claims of insurances for damaged material shall be made immediately, after inspections. 5 Process to replace damaged material shall be carried out at once to avoid delay. 6 If so required, contractor shall apply in time for required statutory road permit for efficient

transportation of material by suitable vehicles. 7 Elaborate details have been given on contractor procurement procedures document.

Procurement and provision of construction spares, commissioning spares, insurance spares and special tools1 These spare parts shall be processed applying same methods of procurement & delivery

received by contractor/its services or specialist subcontractors. 2 Most probably, spares shall form part of order package. 3 Elaborate details have been given on contractor procurement procedures document4 Recommendation for two year operating spares for approval by company in accordance

with G-SPIR format requirements5 This provision shall be followed & spares delivered according to contract & company requirement

by contractor/its services subcontractors.

6 Elaborate details have been given on contractor procurement procedures document

Procurement and provision of two years operating spares, (at cost and extra over lump sum subcontract price)1 Similarly, this provision shall be effected & spares delivered according to EPC contractor/company

instruction to contractor, subject to approval of procurement cost prior to purchase order placement



Execution Plan Project Implementation by contractor

Source inspection1 If so required by EPC contractor/company, arrangement shall be made by contractor after

meeting with vendor or manufacturer, a date & time appointed for inspection to convenience of all parties concerned & required inspection at source conducted to satisfaction of EPC contractor or company.

2 Representatives from EPC contractor and/or company, contractor, services subcontractor & vendor shall constitute an inspection at source team.

3 Proper record of such inspection shall be made for relevant technical & financial records. 4 Compliance with company’s criteria and procedures for selection of vendors including, but

not limited to compliance with local registration requirements and approval of purchase requisitions, bidders lists, technical bid summaries and award recommendations

5 We shall adhere to company requirements.6 Involvement by nation in particular and region in general with respect to provision of local

materials and services shall be encouraged 7 Contractor shall honor & respect with due regards to provisions of national & regional

policies for materials & professional services, which need be availed out of local & regional sources, subject to compliance with contact quality requirement.

8 Every effort shall be attempted by procurement manager to chart out available ‘local & regional sources’ & prepare a database to be used whenever certain applicable procurement arises.

9 This procedure is already followed by contractor, which contractor’s vendors shall also, comply with.

Pre Mobilization Planning1 A thorough and logical mobilization plan is essential for successful startup of construction

activities. 2 This plan, which has already been under preparation at this stage, must detail all planning,

preparation and pre construction activities necessary to ensure timely availability of drawings, personnel, construction equipment, temporary facilities and materials at job site to properly support construction efforts.

3 This preliminary mobilization plan shall be further developed, after contract award and concluded within a week of contract award.

4 Mobilization plan shall be closely coordinated with construction plan to ensure mobilization activities, properly lead into and provide a smooth transition into initial construction activities.

5 A time scale bar chart diagram shall be prepared with early and late activity bars detailing main activities to achieve full mobilization of staff, labour, construction equipment and camp/site facilities be prepared at commencement of contract.

6 Mobilization plans for staff & labour, accommodation and temporary facilities established during bid stage (as conceived in pre mobilization planning) would be studied and re evaluated in light of certain changes, which may have occurred, since day of preparation, while all necessary adjustment measures shall be implemented.

7 Additional site visits shall be conducted immediately, after project kick off to confirm data collected during bidding stage, reconfirm assumptions and establish additional information required to permit smooth and timely mobilization.

Following items shall be reviewed and confirmed.1 Access to job site status



Execution Plan Project Implementation 2 Locations of temporary facilities status3 Company regulatory requirements for properly validated licenses and certificates to be held

by construction personnel4 Transport plans defining routes leading to site5 Loss prevention and safety requirements based on current site status6 Arrangements for first aid facilities requirements7 Arrangements for drinking water and construction water 8 Arrangements for electricity supply to site locations including direct supply9 Arrangements for storage fuels and lubricants within lay down areas10 Arrangements for sanitary & its disposal facilities for all personnel11 Final arrangements for security interface with EPC contractor & company

Work Centre/sContractor Head Office1 Upon notification of contract award, key personnel to site management team shall be

assigned. 2 Construction senior personnel shall be mobilized to project site office to provide input and

direction to possible project team. 3 Successful project execution requires construction experts to be active from onset of

project. 4 Only activity to continue from head office after mobilization period is procurement. 5 All procurement for project shall be done from corporate procurement section located in

contractor’s head office.

Following specific activities must be addressed at an earliest to be fully effective:1 Finalize construction schedule requirements and subsequent approval from contractor 2 Review manpower requirements for both non manual and manual personnel, update such

requirements by means of staffing schedules, histograms and craft mixes and ensure subcontractors manning levels are compatible.

3 Review construction equipment needs/requirements and ensure that timely subcontractors’ mobilization plans are in place for implementation.

4 Review field procedures and method statements defining standards, policies and procedures required for prosecution/execution of works and ensure they constitute ‘project specific’ status.

5 Review environmental, safety and health (ES&H) and site security plans to ensure compliance with client’s specifications and guidelines.

6 Review construction quality plan in line with guidelines of ISO 9000 and check established QC parameters by discipline.

7 Overview temporary facility requirements, including in directs such as tools, consumables, gases and like and check subcontractors’ compliance.

8 Actively pursue preliminary site activities, such as approvals, permits, establishing contracts.

9 Ensure lessons learned & practices from previous projects are well understood & should be applied effectively from onset of works itself to achieve professional products.

Contractor Site Office1 Actual ‘on site management’ would be from offices based on site adjacent to company’s

office. 2 Contractor site office is fully supported by contractor head office at ………. 3 Following major activities shall be carried out at site offices.



Execution Plan Project Implementation a Safety regulation enforcementb Quality assurance enforcement and proceduresc Construction method statementsd Construction planninge Site documents controlf Field engineering & design controlsg Material requisitions h Materials control and trackingi Materials storagej Work Proceduresk Physical constructionl Contracts/subcontractsm On job trainingn Site administration

Mobilization1 Mobilization shall be coordinated from contractor head office with input from contractor

personnel already mobilized for execution of site preparation package and temporary facilities for contractor and company

2 Existing teams responsible for execution of mentioned packages already, have substantial cadre of experienced professional, well versed in mobilization of temporary facilities, project execution, QA/QC planning, safety and security operations etc.

3 Mobilization shall commence with following activities:a Kick off meeting to commence contractb Commencement of required land surveys to establish various horizontal & vertical

controls bench marksc Incept of engineering designs at Firm officed Soil investigation by an approved laboratorye Construction of temporary facilitiesf Obtaining various permits from authorities and conclusion of arrangements with local

committees, where necessary.g Third party independent concrete testing laboratory credentials submission for approval.

1 Shortly after contract award, site surveying shall begin utilizing total station system to establish accurate control points for performance of work.

2 As soon as practicable, plans and specification for site temporary construction facilities shall be finalized and released for installation.

3 During installation of temporary facilities, existing contractor site offices shall be utilized to supervise site activities required for temporary facilities installation.

4 On completion of site offices at ….., balance of contractor construction staff shall be mobilized to contract site along with construction equipment, tools, consumables, warehousing, storage and other items necessary to commence work in accordance with construction schedule.

5 Temporary facilities at job site shall include generator yard and construction water storage tank, carpentry yard, reinforcing bars fabrication, lay down area, warehouse and workshop facilities at allowed location.

6 At start of construction, an emphasis shall be given on critical requirements of construction schedule.

7 Work shall be carried out under continual supervision and inspection over performance.8 Progress shall be monitored on basis of actual installed quantities compared to scheduled



Execution Plan Project Implementation quantities.

9 For construction areas, dedicated work crews shall be allocated for each discipline supervised by foremen and general foremen, who in turn should report to discipline supervisors/site engineers.

10 Based on construction schedule requirements, necessary operational crews shall be formed and controlled over to meet planned progress target to be physically achieved satisfactorily.

11 It is responsibility of supervisor/site engineer to ensure efficient utilization of material, workforce, tools and equipment.

12 For ‘construction operation water’ requirement, unless an alternative arrangement is made available, water shall be trucked from nearby desalination plant.

13 Site ‘construction and temporary facilities electricity requirements’ shall be met by installing suitable size and suitable numbers of generators.

Subcontract Strategy1 Building engineering services shall be utilized by appointing a consulting firm to be

responsible for complete architectural, structural design drawings & documents productions as well as, for services schematic designs drawings production.

2 Firm shall also, represent contractor regularly during project currency3 Detailed services designs shall be prepared by contractor’s services subcontractors4 Contractor shall carry out broadly, all civil engineering works employing its own resources

of manpower, machines, equipment etc.5 Lower tier subcontracts shall be allowed for execution of single operations, such as supply

of ready mix concrete, roofing finishes etc.6 Ready mixed concrete is envisaged supplied from an established RMC supplier, an

establishment with proven track record, duly approved for supplying concrete by reputed clients within 10 KMS of site.

7 However, in mean time without reservations, contractor are also, seriously contemplating on installing own concrete batching plant, though no certainty is claimed.

8 In case certain minor or specialized work is necessary to be subcontracted on lower tier, company procedures shall apply for prequalification and award of subcontracts.

Testing and Inspection1 A field inspection and testing program shall be organized to be in line with contractor

quality manual & approved project plan under overall responsibility of QA/QC manager.2 Prior to conduct testing, contractor and company (as required by QC plan and ITP) shall be

advised of tests for witness. 3 Wherever required, vendor specialist shall be made available to conduct testing and

inspections.

Material Management1 Once material has arrived at site, material management shall come under purview and

custody of site store staff.2 Storekeeper, supported by store assistant shall be responsible for custody of material prior

to issue. 3 Material tracking from source to place of installation shall be conducted by computerized

system. 4 Construction manager shall be responsible to provide technical oversight and direction for

control of materials at construction site area. 5 More information has already been elaborated in foregoing.



Execution Plan Project Implementation

Procurement1 Central procurement department located at contractor office shall be responsible for

affecting all purchases adhering to following procedure. 2 Preparation of purchase requisition shall be made based on takeoffs quantities calculated

from approved drawings documents. 3 Purchase requisition shall completely, identify all applicable drawings, datasheets,

specifications, vendor documentation requirements etc. with inclusion of following information. a Quantity of each item required with comprehensive breakdownb Adequate information concerning nomenclature description, material approvals, quality

required, applicable specifications, design & other drawings etc/or detailed outline of material required.

c Required delivery dates for all major items.d Delivery points of major itemse Inspection of goods at point of origin issuef Certification of test data and/or compliance/warranty g Method of shipment (if goods imported), conditions/packingh Instruction of holding, kitting consolidation, markingi Drawings, manuals etcj Spare parts requirementsk Special instructions to vendors

1 A technical evaluation shall be done in house to verify conformity with specifications.2 Samples and technical information shall be submitted to contractor. 3 Once final approval from client is obtained, purchase order shall be raised.4 Upon receipt of purchase requisition, a purchase order shall be raised and entered in

computer register system, indicating cost and budget allocation.5 Procurement department shall maintain a follow up system, so that contact suppliers and/or

manufactures may be made on continuous basis.6 All questionable delivery commitments shall be expedited on a daily, weekly and monthly

basis as required, to ensure prompt delivery in accordance with meeting requirements.

OrganizationCorporate Organization1 Contractor is an umbrella organization, which has got numerous divisions within in itself

and which is also, parent company for various subsidiaries. 2 Contractor is a registered company specifically setup to target energy sectors and its clients. 3 Contractor has been operating under since …….4 Broadly all activities of above divisions and companies can be divided into:

a General constructionb Heavy lifting and transport services.c Trading in equipmentd Industrial product manufacturinge Plant facilities construction.

Site Organization1 Proposed site organisation and responsibilities of key personnel are enclosed.2 All supervisory staff shall be highly experienced and qualified drawn from ongoing

projects, wherever possible.




Manpower Resourcing and Mobilization1 All personnel on site shall be contractor’s employees. 2 All required personnel to execute work are already in nation working on other sites. 3 These sites are due for demobilisation in coming months.4 Planning department shall produce a histogram schedule of resources by category. 5 These schedules shall define monthly manpower levels. 6 Scheduled shall also, indicative manpower mobilization.7 Standard contractor site supervision is based upon principle of training. 8 A charge hand shall be trained and supervised by a foreman. 9 In normal cases, a foreman shall supervise four charge hands. 10 Charge hand shall then supervise approximately ten labours/semiskilled/unskilled 11 Where a special process is conducted, this ratio may be revised accordingly.12 Training is a requirement of contractor quality management system13 Foreman and charge hands shall conduct training of manpower in their respective roles and

functions. 14 Recruitment of manpower shall ensure that background on relevant job skill has been

achieved. 15 Training in quality awareness shall be an ongoing process through quality department and

foreman.16 Sufficient numbers of site supporting staffs, which consists of mechanics, electricians, auto

electricians, guards, water boys etc. and other ancillary staff shall be deployed for unhindered progress of work.

17 Contractor contains at all times a vast pool of manpower within all disciplines.18 Such workforces are at all times working on various projects in multi discipline fields.

Equipment Resourcing and Mobilization1 Based on project schedule planning department shall generate construction equipment

schedules.2 Contractor is one of largest equipment rental companies in region with over 5000 fleet,

where modern repair and machine facilities enable to maintain a first class fleet of equipment.

3 It has been our company policy to weed out old equipment on a periodical basis and keep equipment fleet very young.

4 Contractor has one of youngest fleets of equipment in region based on size.

Construction Method Statement– Process Buildings1 Following award of project, a detailed contract scope works programme for whole project

shall be developed including all disciplines separately, based on already approved outline preliminary programme appended under coordination of our construction manager and planning engineer

2 Method statements related to various project activities shall be submitted for client’s approval prior to commencement of relevant activity during execution stage.

Subcontracting1 Develop and manage a lower tier subcontracting plan and subcontractor list, contractor

plans to carry out most of civil activities itself, but selected items shall be subcontracted on lower tier, such as ready mix concrete, roofing application, doors & windows manufacturing, painting application, raised flooring application, suspended ceiling installation etc.



Execution Plan Project Implementation 2 Perform all lower tier subcontracting activities including defining specification of packages

of work to be subcontracted, pre qualification of bidders, issue of ITBS, bid evaluation, recommendation and award.

3 All relevant information shall be provided by project manager to purchase manager, who should act immediately, to conduct required functions & lower tier deal finalized after obtaining company recommendation by project manager

Management of lower tier subcontractors and their activities1 These operations shall be managed & controlled by construction manager on site & reported

to project managerMonitoring and reporting of all lower tier subcontracting activities. 1 This activity shall be affected by project manager based on construction manager report. 2 Report shall be regularly provided to planning engineer, head office & company.3 Involvement by nation in particular and region in general, with respect to provision of local

services shall be encouraged. 4 As included earlier somewhere else, that national policy shall fully be honored subject to

making no compromise to quality requirement 5 Construction including providing labour, supervision, safety and quality management, inspection,

vendor support, temporary facilities and services and construction equipment, tools, utilities and consumables.

6 All these issues have been elaborated earlier somewhere else

Provision of construction camp, messing, transport to jobsite, sanitation, utilities etc. for subcontractor’s personnel1 All foregoing requirements shall be fully undertaken by contractor based on site conditions.2 Already a camp exists on site & further extension shall be made to meet contract

requirement. 3 Messing shall be resolved by employing catering subcontractors, so that all personnel &

workers consume good food. 4 All utilities shall be provided to maintain good housekeeping of camp. 5 All safety & emergency precautionary measures shall be undertaken to contract

requirement. 6 Contractor operates its own system of transport, which shall be extended for use of workers

transportation. 7 Similarly, arrangements shall be made for employed high tier & low tier subcontractors on

this package 8 All activities necessary for mechanical completion, pre commissioning, commissioning, and

provisional acceptance9 All activities for buildings part have been described on method statement appended

All testing facilities required at jobsite 1 Contractor shall supply an independent testing laboratory, provided with all equipment

necessary for involved tests for this package, properly managed by qualified personnel meeting all QA testing & certification requirement.

2 Full responsibility for coordination with any third party inspectorate 3 Contractor agrees to extend its full cooperation to meet all third party inspections. 4 Project manager & construction manager shall be responsible to affect this part of contract.



Execution Plan Project Implementation Supply and coordination of lower tier subcontractor and vendor representatives as necessary 1 Contractor shall supply & coordinate with all lower tier sub contractors & vendors or their

respective representatives to requirement. 2 Supply of these shall be managed by purchase manager, while project manager would

manage on site. 3 Coordination shall be conducted by construction manager

Provision of waste management at all Jobsite locations, including disinvestments of all temporary works, upon completion of Work 1 Waste management shall be fully operational on a day to day basis, both for garbage & sewage,

according to planned arrangements.

2 Safety manager shall be responsible for operations respecting all such activities & report to construction/project manager regularly

Provision of medical and firefighting services at Jobsite and for temporary works 1 Medical male nurse shall be employed on job site first aid centre. 2 Male nurse shall take care of providing first aid treatment to injured workmen immediately,

& then worker if so necessary in opinion of male nurse, shall be sent to contractor site clinic for further treatment.

3 Safety manager shall be responsible for operations respecting all such activities & report to construction/project manager regularly

Specific construction method statement– buildings packageSample only1 It is known from contract documents that 15 buildings for various intending use as

substations + bottle store, new control building, instrument equipment shelter + bottle store and operator shelter have been defined in scope to be constructed

2 Keeping in view nature of contract being EPC, contractor have decided to apply RCC in situ construction for all intended buildings accepting company direction on drawings, for which a confirmation was communicated to company on …………….

3 RCC framings technology shall meet design criteria of blast resistant & resilient structure productions meaningfully.

4 Substructure shall also, be constructed including RCC in situ technology.5 Soil report bore holes logs direct to employing spread footings in isolation, which shall be

integrated by grade beams/walls to form an unit for compaction settlement & long term consolidation controls.

6 However, to verify validity of soil report, contractor shall further conduct investigations based on engineering services subcontracting firm recommendations, utilizing services of an approved laboratory.

7 Foundations shall be designed based on laboratory recommendations. 8 Phases of construction shall be adhered to meeting set out milestones, which are very tight

for purpose of physically prosecuting/executing buildings package. 9 Construction teams shall be constituted to meet requirement, as exhibited on organization

chart. 10 One project site manager shall be organized an overall responsible for all on site execution

operations & conduct interface with head office duly supported by safety, construction, quality, technical & administration sections, all to be well established on site.



Execution Plan Project Implementation 11 Project & construction manager shall in collaboration , constitute six independent dedicated

teams for six working divisions/areas lead by each site engineer directly reporting to construction manager, as shown on organization chart.

12 Each team shall comprise of one site engineer, required number of site foreman & further supported by charge hand/s from each trade.

13 For each team one quality assurance/control engineer shall be deployed to conduct QA/QC procedures for relevant area.

14 One general foreman shall be deployed for labour engagement responsibilities on various day to day activities.

15 For all other organization details, please refer to project organization plan.16 A surveying team shall be constituted lead by a chief/senior surveyor to carry out all site

setting works, from stage of preliminary site survey to point of recording redlines for purpose of ‘as built’.

17 Survey team shall coordinate with each site engineer to meet site requirement. 18 It shall be responsibility of each team to set out, inspect & record all layouts, pre & post

concrete data for purpose of approval & handover dossiers. 19 All horizontal & vertical controls shall be established & monitored by leader.20 All approved controlled drawings shall be issued to surveying team to commence with

setting out operations. 21 After ensuring proper safety arrangements are in, survey barricading shall be established,

necessary grids control fixed & inspected by QA/QC. 22 Excavation shall commence after clearance is obtained & continue according to excavation

plan included with method statement. 23 Proper safety shoring shall be arranged during this activity, when it crosses 1.5 m depth &

arrangement for suitable access into excavation pit made to satisfaction of safety inspector & company.

24 All unsuitable excavated material shall continuously, be removed from site & suitable material tip off to designated area.

25 All environment controls shall be taken care off during this operation. 26 A surveyor shall continuously, ensure depth of excavation does not exceed design

requirement. 27 When excavation reaches formation level, dressing shall be started followed by compaction

of soil, so that area is ready for inspections.28 Contractor QA/QC shall inspect formation. 29 After required clearance, arrangement shall be made for blinding all released area according

to approved method statements. 30 Area shall be blinded to design thickness minimum 75 mm properly leveled & trowel

applied to make it suitable for purpose to receive heavy duty concrete protection layer membrane.

31 Then curing shall be carried out for 3 days. 32 Application of protection membrane shall commence thereafter, over whole area of

blinding.33 Foundations shall be set out to design details to permit formwork erection & reinforcing

bars placement. 34 All starter reinforcing bars shall also, be fixed supported by plastic spacer. 35 On sides also, plastic spacers shall be fixed to keep all reinforcing bars in proper position.36 Foundation top levels shall be fixed using 25 mm plastic triangular chamfers horizontally. 37 Chamfer shall also, be fixed on vertical edges of forms. 38 Inspection shall be conducted followed by concrete pouring, supplied by an approved ready

mix plant.



Execution Plan Project Implementation 39 All ready mix record shall be maintained according to QA approved procedures. 40 After concreting is finished, proper curing arrangements shall be made for required number

of specified days. 41 Setting outs for further stub columns shall be conducted & preparatory works continued.42 In parallel, all works regarding grade beams/walls shall continue complying with all

approved procedures. 43 Fabrication of reinforcing bars shall be done in a designated area, while fabrication of forms

too in another designated area, all according to approved procedures. 44 After completing preparatory works for stub columns, inspections & pouring shall be

carried out following all procedures. 45 Operations of grade beams/walls shall be taken up on similar principle as other activities. 46 For substations, where cable cellar floor slab is to be built, shall be prepared together with

surrounding substructures. 47 After curing is done for specified period, protection membrane shall be applied on both

horizontal & vertical surfaces, followed by inspection & backfill in compacted layers to specified requirement.

48 Field density tests shall be conducted to monitor requirement of density & water content etc.

49 Backfill shall continue up to formation level below grade slabs blinding in buildings & where cellar suspended floor slab is to be built, backfill shall be done around grade structures.

50 Preparations shall be carried out for cellar suspended slabs by erecting required supporting system, forms fixed, reinforcing bars placed, all services inserts provided & inspections conducted from all disciplines, followed by concrete pouring observing all QA procedures.

51 Similarly, on areas where grade slab is to be built, after completion of backfill up to bottom of blinding concrete i.e. formation level, plastic sheet shall be laid after compaction & leveling post all necessary underground services completion, blinding concrete shall be poured, leveled & wood floated well to make it sufficient enough to receive grade slab.

52 After three days of curing on blinding, preparation for grade slab works shall commence with reinforcing bars placed, either by site fabrication or using pre fabricated welded mesh to design requirement.

53 All necessary services shall be inserted, inspections conducted & concrete poured. 54 At this stage of building, major substructure elements have been completed giving a way to

commence super structural works.55 All preparatory works of superstructure elements shall come into full swing by fabrication

of forms & steel reinforcing bars fabrication to BBS details. 56 Scaffolding shall be erected for fixing & placing vertical reinforcing bars of columns &

walls in all required areas. 57 Steel reinforcing bars shall be fixed placed with spacers & inspections conducted. 58 All inserts necessary for electrical conduit or earthing, shall be installed immediately &

inspection conducted. 59 Work of vertical forms shall commence for sides of columns as well as, walls fixed using

removable tie bolts with cones/boss at tie rod ends. 60 Forms shall be made of fair face ply to produce specified texture to elevation requirement. 61 All exposed vertical edges shall be chamfered using plastic chamfer size 25 x 25 mm

triangular section duly nailed to forms. 62 Inspections shall be conducted for elements ready for pouring. 63 Pouring shall commence keeping height of pour not more than 2 m using vertical pipe chute

of pump reaching up to necessary drop level. 64 Curing shall follow adhering to agreed or approved procedures.



Execution Plan Project Implementation 65 Similarly, walls of transformer areas shall be built adhering to all QA procedures.66 Next operation of erection of propriety scaffolding to support superstructure roof slab shall

commence strictly complying with scaffolding drawings. 67 On parallel, operations of fabrication of forms & reinforcing bars shall be taken up. 68 All vertical & grid controls shall be established by surveyor to keep in line & level all forms

of beams alignment & soffits. 69 Level of slab shall be established & then work of form fixing commence followed by

placing of beams reinforcement. 70 Services inserts, such as electrical conduits, HVAC inserts or block outs if necessary &

other inserts shall be marked for establishment. 71 Works of steel reinforcing bars placement shall continue in parallel to speed up preparatory

works. 72 An inspection of preparatory works shall be conducted by all involved disciplines.73 After obtaining approval for pour, pouring shall be carried out adhering to pouring method

statement compliance. 74 Curing shall be started immediately, after finishing surface as required by curing compound

manufacturer’s instruction for application of compound & also, by using water in combination, all to agreed procedures.

75 Intermediate slabs on battery rooms shall be constructed following foregoing procedure.76 Erection of scaffolding around shall extend to cover parapet portion followed by formwork

& reinforcing bars fixing. 77 On similar pattern as defined earlier, all inserts shall be fixed followed by all relevant

inspections & pour. 78 All aforesaid concreting operations shall be supported by necessary number of transit

mixers, concrete pumps, nozzle/needle vibrators conforming to perform 10000 oscillation per minute & all other necessary arrangements required to perform best task.

79 Well trained teams shall be engaged for such operations. 80 All necessary safety measures shall be installed. 81 If necessary during hot weather, rest pauses shall be allowed to workers with provision of

allowing liquid or salt water. 82 Forms shall be struck form elements carefully ensuring full safety intact. 83 Concrete surface shall be inspected immediately after removing form, cleaned & surface

treatment to project specification applied to produce specified class of surface texture i.e. smooth finish or sandy or rough or grouted.

84 Defective concrete shall be applied remedial measures as agreed with company or client. 85 On new control building, special forms shall be erected for dome portion, followed by steel

reinforcing bars fixing & pour. 86 Wherever special openings have been provided within designs on structural framing, those

shall be provided within formwork itself. 87 Now structural framing works have been completed, giving way to attack on internal walls

& other items, such as dry wall lining & preparation for roofing item. 88 All preparations shall commence for remaining works. 89 Block work shall be carried out, wherever required for walls followed by services fix 1items

& then plastered over as specified.90 Roofing shall commence by scabbling/hacking slab surface, laying of light weight foam

concrete in grade minimum 1.25 % to receive water proofing membrane, membrane application followed by water leak test for 72 hours & then polystyrene boards laid over to be protected by concrete pavers.

91 Separation geotextile shall be provided according to applicator direction.



Execution Plan Project Implementation 92 Over concrete, protection paint on parapet, aluminum flashing shall be fixed to design

details.93 Services site team shall be inducted in full swing for carrying out all disciplinary operations.94 Suspended ceiling fixers shall also, enter in to commence related trade work. 95 Where there is no ceiling, work on slab finishes shall continue.96 Wall lining work shall be carried out in accordance to design details, after ensuring

complete inspections of services conduits etc. are over.97 Fixing of cable terminations framing steel as well as, framing steel for floor openings shall

be carried out according to provided details.98 Flooring shall be carried out in according to design details. 99 Tiling shall be followed with on required areas schedules to receive both floor & wall tiles.100 Concrete surfaces requiring protection shall be applied accordingly with 3 coat system

or whatever other system approved.101 Operations of constructing transformer foundations shall be carried out & protection

applied over that. 102 Sumps shall be constructed to details in floor. 103 Gravel filling shall be provided around transformer oil containments/enclosures.104 All finishing items shall be carried out in wet areas & all concealed piping be carried out

prior to that. 105 Services operations shall be completed in all areas followed by finishing works. 106 Services inspections shall be conducted prior to commence with finishing works.107 When works are ready involving scope of telecommunication routes, an entry shall be

allowed to relevant other subcontractors from other scopes provided with full cooperation in all respects.

108 Similarly, car park shed shall be worked by constructing its foundations with anchor bolts inserts.

109 Engineered structure shall be erected on foundations.110 Works for planter beds shall also, be completed accordingly to plan requirement.111 Works of all ramps shall be constructed according to details.112 Works of external services within 5 m of building shall be completed & tested. 113 All surrounding or backfills shall be completed to specification provisions. 114 Walkways works shall commence by filling & leveling around building, excluding

instrumentation room on plant side portions. 115 Walkway kerbstone shall be fixed to profile over blinding concrete with haunch

concrete over. 116 Sand shall be filled over compacted & profiled area of walkways, whereon interlocking

concrete blocks are to be fixed in to design pattern.117 Around new control building, work of embankment shall be carried out to profile shown

& back fill affected in layers to retain walkway. 118 This embankment shall be used for grass growing. 119 All internal & external light fixtures shall be installed. 120 New control building requires complete furnishing excepting personal computers.121 All furniture shall be procured, inspected & installed accordingly to relevant details.122 Necessary directional signs to be installed in buildings shall be fixed to approvals. 123 All other furniture within scope shall be inspected & installed accordingly. 124 Foundation works for a 100 m mast to support radio antenna shall be carried out at new

control building, which activities include setting out, excavation, blinding, RCC block, concrete protection.

125 External landscape items, such as gravel spreading, grass growing shall be undertaken in line/according to layout shown on drawing.




Pre commissioning, commissioning, provisional acceptance and final acceptance1 All services individual items integrity & tests shall be conducted by related subcontractors

& record maintained. 2 After ensuring that each installation is efficient in performance, release for commissioning

shall be given. 3 Details are included within technical literature/datasheet

Supply and coordination of lower tier subcontractor and vendor representatives as necessary 1 All necessary lowers tier subcontractors & vendor representatives shall be provided to scope

requirement2 All activities necessary to achieve pre commissioning, commissioning and provisional

acceptance. 3 Services disciplines such as electrical, fire alarm & gas detection system, fire suppression

system, internal sanitary & drainage, infrastructure pertinent all other included services require pre commissioning, commissioning & provisional acceptance.

4 All fix 1 & fix 2 procedures shall be conducted according to ITPs & approved procedures. 5 All utilities, fuels, lubricants, chemicals and catalysts required within contractor’s scope up

to issuance of provisional acceptance certificate

All required operating and maintenance documentation. 1 All operating & maintenance manuals shall be submitted covering work scope items2 Warranty obligations through to final acceptance shall be submitted for work scope items3 For further details on services method statements for package, please refer to subcontractor’s

documentation (not attached within this proposal).

Execution plan Method statement(Project implementation strategy)

Civil Works/Site Preparations

Construction Method Statements

Sample Only1 Civil Works & site preparations shall be executed according to company & contractor requirement

depending upon priorities.

2 It is expected that all design & relevant details pertaining all involved structures shall be issued for construction by contractor in time according to agreed schedule of construction.

3 It is also, expected that site shall be made available in time to meet schedule requirement.

4 It is proposed to commence works from all available areas, respecting which designs are available immediately, after mobilization & upon receipt of ‘Permits to Work’ if so required.

5 Areas belonging to standalone scopes may also, be taken upon one by one, depending on company priority.

6 Smooth execution of construction works, necessitates organization of certain competent teams constituted of capable members fully trained within respective professional callings.

7 Team members upon receipt of project documents should not waste any day, but immediately, commence with practical works with resolutions of all technicalities issues.

8 Surveyor should efficiently, establish all setting outs & controls with prompt approval according to guidance by site engineer.



Execution Plan Project Implementation 9 Site engineer in conjunction with site management should arrange all equipment necessary for smooth

excavation & other following activities.

10 It is also, advised that feedback & homework planning has also, been under charting process at pre mobilization stage, as envisaged somewhere else, on this document.

11 Since, our organization works adhering to set standards of execution in compliance with quality manual & project quality plan, all our staffing level shall affirmatively, follow guidance & direction provided to, optimally utilize for discharge of their functional responsibilities entrusted by management, for product quality assurance as well as, delivering customer satisfaction.

12 Our efforts shall be attempted to organize works in such a way that trained teams are established on site for important activities, such as steel fixing, formwork, concreting, concrete protection etc.

13 Team members shall be proficiently, skilled in respective trades & group would be rotated on project various locations in sequence to perform jobs on various work elements following guidance & direction of trade foreman & general foreman, adhering to instructions by site engineer and/or construction manager.

14 Quality team shall monitor fully these operations pertinent construction teams.

15 These teams shall be extended full technical & administrative support from engineering as well as, procurement & all other controllers based on site as well as, in head office immediately, whenever so required.

16 This document gives an overall strategy of proposed performance pertaining site preparation & civil works, keeping in view quantities of various items/descriptions involved to be prosecuted within construction duration allowed according to defined milestones.

17 Company major policies have already been incorporated within execution plan of new buildings package, which is an EPC forming a part of overall subcontract scopes.

18 This document should be considered as an extension from that, since main purpose herein is to serve on communication of specifically significant procedures that may be adopted on project based on our past experience of constructable competency, which has been exhibited by outlining procedures & definitions that should be adopted for proficient prosecution/ execution respecting various preparatory works items involved on project under works code groups entitling site preparations & civil works

19 Scope involves subtitles & their descriptions of constructions as follows, which cover major portions of preparation & civil works for project.

Site protection & preparation1 Surface leveling-area for this activity shall be selected according to scope indicated on IFC

drawings. 2 Inspection of available surface shall be done first visually & then ascertained by spot

leveling followed by undulations noted. 3 Undulation means certain types of ridges & valleys, generally of irregular profile. 4 Ridges shall be chipped out & filled into valleys to form a balance throughout preparation

area under consideration. 5 All unsuitable material shall be removed to specified thickness using heavy equipment, such

as shovels or bulldozers & selected good material filled. 6 Dressing of whole area shall be conducted to form an acceptable level line profile.7 Surface compaction using water shall be carried out to maintain required profile. 8 Dry & wet compaction shall be carried out to a suitable state of acceptance. 9 Similar procedure shall be applied to sloping surfaces. 10 Areas covered around obstacles for both flat as well as, sloping shall be dressed manually &

compacted by plate compactors or light rollers.




Checking procedure1 Profile should be within acceptable limits. 2 Soft spots should be removed.3 Survey team shall locate and mark all services that are present upon site (This includes

above ground services as well as, buried services). 4 These services, (Electric, telephone, gas, oil, chemical, water etc), shall be clearly marked

using stakes and warning tapes. 5 These existing services shall be marked upon a site drawing and relevant issues notified to

client for reaching a practical resolution.6 Survey team shall also, mark upon site plan, all obstructions, structures and developments. 7 An obstruction encountered during excavation activities shall be plotted and recorded.

Site Preparation & Earthwork Typical1 Where hazardous material is encountered, it shall be identified and isolated. 2 EPC/Client shall be informed. 3 Hazardous material shall be collected and removed to a licensed tipping place. 4 Details of material and tipping arrangements shall be documented for review by client as

appropriate. 5 Wherever within subcontrcat/contract scope, existing structures, fences and developments,

shall be demolished in a safe manner, as site stripping activities proceed. 6 Necessary permits, approvals and permission shall be obtained from concerned authorities,

prior to commencement of such activity. 7 Method of removal of pertinent existing elements shall usually be conducted by dozer or

breaker. 8 Where necessary, discussions on site shall be conducted concerning alternate methods of

removal, when full extent of these structures is exposed. 9 Removal of topsoil shall include all vegetation and rubbish material from work site. 10 Prior to start of topsoil removal, surveyor shall peg out haul roads that would be used by

construction equipment for all site preparation activities. 11 Such roads shall be constructed by leveling of existing terrain. 12 Grade pegs shall be set to an agreed grid indicating existing grade and reduced grade.13 Dependent upon quality of existing soil where roads shall be built, suitable compactable fill

may be imported or relocated from other parts of site.14 Such roads shall be maintained as work proceeds.15 Where required water shall be spayed for dust control.16 For general removal of topsoil activities, using appropriate equipment, concerned areas

shall be excavated and graded to levels that should ensure adequate surface water drainage. 17 Geotechnical engineer shall monitor activity to ensure that topsoil material is removed. 18 Sampling and testing of resultant material shall commence and be conducted for

specification verification and compaction data. 19 Upon completion of topsoil removal activities where appropriate, exposed surface shall be

scarified, moistened and compacted to achieve required density criteria. 20 Areas shall be divided into manageable sections that can be defined upon sketches.21 Geotechnical Engineer shall monitor and test all sections. 22 Results of tests shall be recorded upon relevant QC format. 23 Number of tests conducted shall reflect specification requirement. 24 QC engineer shall monitor activities regularly.25 In excavation areas, geotechnical engineer shall review material to be excavated to ascertain

its suitability for reuse as fill material.



Execution Plan Project Implementation 26 This excavated material shall be transported to areas that require filling. 27 Material shall be deposited onto areas to receive filling, leveled, moisture conditioned and

compacted. 28 If necessary, stockpiling may be required.29 Excavated areas shall be divided into manageable sections, which have to be defined upon

sketches. 30 Excavated areas shall be monitored by geotechnical engineer ensuring that unsuitable

material does not appear. 31 Where unsuitable material appears, it shall be removed. 32 Excavated formation surface shall be treated by scarification, moistened and compacted,

according to specification criteria. 33 All areas shall be tested and results recorded.34 Where areas are to receive fill, material that has been excavated shall be transported to fill

area, tipped, leveled, moisture conditioned and compacted. 35 Material shall be spread and leveled in 200mm layers. 36 Areas to be filled shall be divided into manageable sections that should be defined upon a

sketch. 37 Fill layer shall be moistened and compacted to achieve required specification criteria. 38 No further fill activity shall be conducted upon an area that has not been approved and

released by geotechnical engineer. 39 Attention shall be observed at edges and slopes to ensure that compaction criteria are

achieved. 40 Additional layers of fill material shall be placed similarly, as described above until desired

elevation has been achieved.

Production procedure1 Verification exercise for fill activity on record has been conducted to establish economical

and effective method for fill activity.2 Import and place fill to controlled areas of approximately 25m wide by 100 - 150m long.3 Spread and level imported fill.4 Add water to fill layer by passing water tanker over fill layer. 5 Water tanker should pass over layer twice. 6 A time gap approximately two hours is allowed for water to soak into fill material.7 Layer is now mixed with grader, until a uniform blend of moist material is achieved.8 Additional water is added by passing water tanker over layer in a uniform sequence. 9 A time period approximately one hour is allowed for this water to soak into fill layer.10 Fill layer is mixed again with grader leaving fill level to correct grade.11 Vibrating rollers shall now compact fill layer in a logical sequence that makes layer

dense/compacts layer uniformly.12 Field density testing of layer shall be conducted to ITP requirement.

Gravel Finishing1 Installation of gravel crushed or natural shall be carried out by spreading to specified

thickness of 100 mm or 50 mm, as case may be over prepared surface, uniformly to site feasibility.

2 Mechanical or manual adjustment shall be carried out to spread gravel, followed by mechanical compaction to bring material to undisturbed acceptable profile.

3 Work shall be carried out to equipment related areas indicated on IFC drawings.

Vegetal Soil Surface- Landscaping



Execution Plan Project Implementation 1 Humus for grass shall be spread over IFC drawing indicated area on flat as well as, sloped

surface to specified thickness & leveled roughly by mechanical means. 2 Irrigation network piping & fittings shall be carried out to soft landscape indicated areas on

IFC drawings. 3 Supply, laying & pipe connection shall be carried out accordingly, to contract/subcontract

scope.

Protection of Existing Services1 From provision of existing site drawings, provided by relevant authorities within proposed

project, existing services shall be located and exposed by hand excavation.2 Survey team shall check and accurately, record all existing services. 3 A line of pegs shall be positioned to indicate route pertinent existing services. 4 Use of warning tape and/or nylon cord to indicate and protect route of service shall be

provided. 5 Survey team shall inform infrastructure engineer respecting exact location pertinent service

relative to warning flags. 6 Should an existing service be disbanded or declared redundant, that service shall be exposed

to allow confirmation of status of service. 7 Infrastructure engineer, through EPC representative shall ask relevant authority within

project area to review excavated service, confirm status and action required for removal of service.

8 Redundant service shall be removed under supervision of infrastructure engineer, according to agreed criteria of area operating relevant authority.

9 Where an existing live service remains during site preparation activity, such as 33KVA electric cable, that existing live service shall be protected.

10 Survey team shall locate live service upon ground, using spray paint or small pegs. 11 At periodic locations along route of existing live service, defined by survey team, small

hand dug pits shall be excavated to identify service. 12 Purpose of this exercise is to ensure that location of live service is accurate.13 Ten meters (10m) either side of route of existing live service shall be erected posts. 14 A nylon cord with warning tape streamers shall be strung between posts, which shall clearly

indicate service and its route. 15 Posts shall be fixed at suitable & sustainable centres.16 Signboards indicating type of respective live service, within designated corridor, exactly

shall be displayed at sufficient locations along route. 17 Where temporary roads cross existing cables, sufficient suitable fill material shall be placed

on top of cables to afford adequate impact protection to, by distributing vehicle axle loads, safely minimising stress concentration.

18 Safety officer shall periodically, check condition of barriers, where necessary refurbishment is conducted

Galvanized fence1 Galvanized mesh shall be installed according to IFC indicated locations. 2 Supply shall be affected according to contract requirement. 3 Excavation shall be carried out for post embedment, constructed to manufacturer

instructions by using RCC plug in to holes to support post of fence.

Reinforced concrete fence1 Precast RCC fence panels shall be erected with & connected to already carried out



Execution Plan Project Implementation foundations with inserts installed to fence working details requirement.

2 All individual elements shall be stocked properly.

Prefabricated reinforced concrete fence1 Prefabricated elements of fence shall be procured from market meeting IFC indication &

erected on site, duly connected to already, carried out foundations in line to structural requirement.

Vehicle gate1 Gates in complete package shall be supplied meeting IFC & specification requirement, as

approved & further installation should be carried out accordingly, to manufacturer instructions/details.

Pedestrian gate1 Pedestrian gates in complete package shall be supplied meeting IFC & specification

requirement, as approved & further installation should be carried out accordingly.

Road barrier1 Road barriers in complete package shall be supplied meeting IFC & specification

requirement, as approved & further installation should be carried out accordingly.

Fence Erection1 Final grade level of area shall be commencement point for fence construction.2 A level survey shall demonstrate accuracy of site grading activity.3 Survey team shall set out line and level of fence, including post locations for all elements.4 Using a machine mounted auger, 300 and 450mm diameter holes as appropriate shall be

drilled for installations respecting fence post foundations.5 Drilled holes shall be cleaned and bedded to correct base level. 6 Fence post foundation shall be placed in drilled hole to correct line and level.7 Dune sand shall be filled & compacted around foundation.8 Fence fabric shall be strung and tensioned per drawing details and manufacturer’s

recommendations 9 Using hand tools, a trench shall be excavated for ground beam, which requires to be placed

to correct line and level. 10 Suitable fill material shall be used to compact around ground beam.11 Fence fabric tie staple shall be grouted in position, once fence fabric is tensioned.12 Gap between ground beams at location of fence post shall be concreted to form a

continuous beam.13 QA/QC procedures shall be closed out on an ongoing basis.

Excavation1 Project engineer/manager shall ensure that current drawings relating to excavation activity are

approved for construction.

2 Project engineer shall ensure that there are no conflicts with existing services or other discipline drawings issues.

3 Constructability criteria from all relevant IFC drawings shall be ensured by conducting engineering coordination.

4 Surveyor shall provide line and level engineering that should enable excavation of structure.



Execution Plan Project Implementation 5 A system for quick reference shall be established.6 Surveyor shall inform excavation foreman about these lines and levels.7 Excavation foreman shall direct excavation equipment in an agreed sequence.8 Excavated material shall be classified by laboratory test. 9 Unsuitable material shall be removed off from site to tip area. 10 Where material is classified as suitable, required volume shall be stockpiled on site on an

agreed location.11 Safety barriers shall be erected as work proceeds.12 Where applicable, sides of excavation shall be sloped.13 There is no requirement for ground dewatering equipment in present case.14 Should restrictions be imposed by adjacent structures etc. that would make sloping of sides

un-practical, shoring or support of excavation sidewalls shall be agreed with EPC on site.15 Surveyor and site engineer shall check excavation to confirm compliance with levels and

lines. 16 A survey shall be conducted respecting formation level upon completion of excavation.17 Formation shall be visually inspected for detecting unsuitable material, which all would

require to be removed. 18 Formation shall be scarified and compacted to required specification criteria. 19 Laboratory test results shall be provided. 20 Upon acceptance of these results, area shall be released for consequent activities.

Backfill to structures1 Project engineer shall ensure that all subsequent activities are passed and completed

following which clearing shall be done.2 Upon approval to backfill, engineer shall instruct foreman to carry out this activity.3 Backfill material shall be sourced from suitable material stockpile. 4 Backfill material shall be placed in layers in accordance to specification. 5 Layer shall be moisturized and compacted to agreed density criteria.6 Each backfill layer shall be field density tested by laboratory. 7 An acceptable test result shall allow next layer of backfill to be placed and compacted. 8 This process shall continue, until whole fill is completed.9 Upon completion of backfill activity, area shall be cleared of waste materials and left tidy

for next activity to follow with.10 All safety barriers shall be removed to safety store.

Piling Typical 1 Equipment mobilization, piling rig moving shall be done accordingly & pile location set out

by surveyor. 2 In case of precast piles, rig shall drill pile bore to specified dia. vertically, using steel insert

protection at pipe toe. 3 Precast/stressed piles shall be inserted into bore with compression impact hammer

gradually, until whole pile is driven into strata.4 It shall be ensured that pile remains vertical & in its set out location.5 After pile is driven, sonic test, dynamic auscultation & load test shall be conducted to

specified requirement. 6 Load test shall be conducted by reaction truck loading or actual load applied in cycles. 7 Dynamic auscultation test shall be conducted to code requirement. 8 All records shall be maintained. 9 After piles have been driven, demobilization of equipment shall be effected10 Pile head preparation shall be carried out by cutting pile heads to expose rebar for



Execution Plan Project Implementation connection to pile head or cap reinforcing bars.

11 After proper placement of reinforcing bars of pile cap & pile head, formwork shall be erected followed by concrete pour for pile head or cap.

12 Post pour curing shall follow to agreed procedures.

Cast in place concrete piles1 Driven cast in place concrete piles with permanent casing2 Location of piles shall be set out.3 Casing shall be driven truly, vertical into location using rig & continued, until design depth

is reached. 4 Soil column shall be taken out by pressurized water. 5 Casing base shall be cleared following inspection for plumb & profile conducted. 6 Reinforcement cage provided with concrete spacers shall be placed into casing properly

fixed. 7 After inspections are conducted, concrete shall be poured into casing keeping a maximum

drop of concrete not more than 2 m. 8 Concrete vibrator shall be kept working into poured concrete, which shall be kept gradually

withdrawn progressively, as concrete moves up. 9 In case casing is to be withdrawn, it shall also, be gradually, withdrawn following gradual &

progressive pour. 10 While withdrawing, care has to be exercised that verticality, is not disturbed. 11 Pouring shall be completed up to head of pile. 12 All accumulated water shall be removed by pumping continuously for keeping piling area

dry. 13 Pile shall be poured continuously, avoiding a construction joint. 14 All excavated earth shall be removed from site.

Pile load test 1 Load test shall be conducted after lapse of specified duration. 2 Engineer shall select piles to be load tested. 3 Cyclic load testing shall be applied for 72 hours loading, unloading & reloading. 4 Test record shall be maintained according to ITP & procedural requirement. 5 To ascertain pile integrity, sonic test shall be conducted by a hammer impact &

transmission of sonic waves recorded using standard equipment. 6 This test shall be conducted for all piles, for it ascertains integrity & transparency of

material used.

Post pile load test1 After piles have been tested successfully, preparation of pile head shall commence. 2 Extra portion of concrete shall be cut to pile cap base level. 3 All reinforcement effected by concrete shall be cleaned, new reinforcement for pile cap &

column starter bars installed. 4 Preparatory form shall be erected for pile cap. 5 Concrete spacer shall be fixed properly. 6 Tie up beams preparatory works shall be carried out. 7 After inspections are conducted, concrete pouring shall be carried out, with unformed

surface finished smooth enough to receive concrete protection.8 Ensure sides are truly aligned as well as, be truly in plumb. 9 Ensure dimensions are correct within tolerable limits. 10 Ensure reinforcing bars placed to meeting design details requirements.



Execution Plan Project Implementation 11 Ensure spacers are properly fixed & all reinforcing bars placed in respective design

locations. 12 Ensure concrete level at top is fixed properly using 25 x 25 mm plastic chamfers. 13 Ensure vertical corners edges have been fixed with plastic chamfer.14 Since, most pile caps shall be designed in thick sections, special arrangement shall be made

for curing using saturated hessian, polythene sheets and clean sand fill below coverings, so that no heat transmission is permitted from concrete surface.

15 This type of curing is called thermal curing. 16 During high temperatures, water shall be sprinkled on forms from sides to ensue minimum

heat loss in early days of concreting.

Bored continuous flight auger (CFA) piles, reinforcement for continuous flight auger (CFA) piles1 Similarly, CFA piles shall be continuously, augur bored into whatever type soil,

reinforcement placed in & concrete poured. 2 All tests shall be conducted according to previous explanations.3 After piles have been cast, location survey shall be conducted for 5% poured piles.

Micro piles, drilled micro piles, reinforcement for micro piles,1 Micro piles can be defined as small dia. piles less than 150 mm, where pile load is carried

structurally by heavy reinforcement dominance central bar, while micro piles are generally, grouted due to having very small volumes allowing provide drill rod & reinforcement as one member, so that it is sacrificed.

2 Granular soils can be well impregnated by grout strengthening surrounding spaces around piles

3 Jet grouting soil improvement system for proposed piles, locations shall be set out.4 Rotary mast shall be utilized to drill a bore into strata, without removing soil & high

pressure cement grouting applied into bore followed by installation of reinforcement. 5 Curing shall be carried out to requirement. 6 All debris shall be removed from site.7 Pile sonic test shall be conducted by hammering for construction uniformity &

homogeneity, dynamic auscultation test by impedance, load testing (compression), load testing tensile test, load testing horizontal loading test, pile location survey etc.

Earthwork1 Grubbing - According to scope included on IFC drawings, trees, plants, bushes, roots etc.

shall all be removed completely from soil ensuring that soil is not affected adversely. 2 These uprooted green materials shall be collected at one place for suitable disposal to a

designated area. 3 Scrubbing- According to scope included on IFC drawings, vegetation topsoil shall be

removed irrespective of its consistency & water content.

General Excavation1 In controlled plant area, prior to commence excavation, legal ‘permit to work’ shall be

obtained from ‘operating authority’2 It shall be made sure that no existing services run under proposed area from concerned

authorities’ services record. 3 Necessary benchmarks shall be established for surveying controls & monitoring purpose.4 Where it is feasible to excavate whole unit area involving all foundations & beams etc.

using heavy excavation equipment, general excavation should be carried out, which allows



Execution Plan Project Implementation saving in excavation time keeping area tidy.

5 Such area shall be set out to IFC details, grids marked on timber rails around area periphery. 6 Additional marking shall be set for general area limits & proposed convenient ramp to allow

easy access & egress to & from area. 7 Proper safety warning signs shall be erected around proposed general area. 8 Signs shall include ‘keep away’ ‘deep excavation’, ‘hard hats zone’ etc 9 In case of mishap caused to existing services, immediate information shall be provided to

concerned authority, so that corrective action can be undertaken.10 Excavation shall be started by equipment with directly loading material into a dumper truck,

which shall remove excavated material from location to stock pile areas, in case material is suitable for re use as backfill or to a designated dumping area otherwise.

11 A surveyor shall constantly, monitor excavation formation level. 12 Environment protection arrangements shall be charted out to keep site tidy. 13 During excavation, in case of loose soils, such as sand, whose angle of repose does not

permit, shoring shall be arranged around periphery to prevent soil subsidence.14 Excavation & soil removal shall continue to reach formation level. 15 No further excavation shall be carried out after reaching formation level. 16 All debris shall be removed from area, dressing conducted on rough formation to bring it to

required profile. 17 Surface shall be watered & compaction carried out using heavy road roller of at least 8 Ton

capacity, which would work in strips in parallel, overlapping previous strip. 18 Compaction shall be conducted, until rebound occurs. 19 Field density test shall be conducted to ensure that required formation has been achieved

with atterberg’s limit & moisture content being within acceptable limits.20 In case, soil improvement is to be applied, further excavation shall be carried out to design

thickness of improved strata. 21 After preparing formation for engineered fill, selected granular material shall be placed into

prepared formation in layers, watered & compacted. 22 Field density test shall be conducted for each layer of fill. 23 Plate bearing test may also, be carried out to know ultimate & safe bearing capacity of

improved strata. 24 Now, formation is ready to receive foundations on it. 25 Formation levels shall be recorded. 26 In case, water level is high & dewatering is necessary, proper plan shall be made to install

dewatering system, until whole of area is constructed up to ground level. 27 Water shall be continuously pumped out & disposed to a suitable agreed discharge point

keeping location tidy. 28 But in this case, according to investigation report, soil is free of water. 29 No dewatering is required.

Sectional Excavation1 In controlled plant area, prior to commence excavation, legal ‘permit to work’ shall be

obtained from ‘operating authority’2 Where particular foundation or trench for a cable or an isolated or combined footing or

vessel base etc. is to be excavated, it shall be carried out only, for that particular area. 3 Necessary benchmarks shall be established. 4 Setting out shall be done accordingly for extent of area & grid control established. 5 Required safety signs shall be established. 6 All arrangement for necessary shoring resorted in advance. 7 Excavation shall start by mechanical equipment removing excavated soil into a dumper



Execution Plan Project Implementation truck for disposal either to stockpile or to a designated area.

8 In case, manual excavation is to be carried out for detection/protection of existing services, no machine shall be used, until specially permitted, after exposure of all such services.

9 In case of fibre optic cable exposure, only water jetting should be used to excavate area. 10 In case of mishap caused to existing services, immediate information shall be provided to

concerned authority, so that required corrective action can be taken.11 In case, water level is high & dewatering is necessary, proper plan shall be charted to install

dewatering system, until whole area is constructed up to ground level in dry conditions. 12 Water shall be pumped out & disposed to a suitable agreed discharge point, keeping

location tidy. 13 But in this case, according to investigation report, soil is free of water. 14 No dewatering is required.

Embankment-Typical1 Profile shall be set for proposed embankment base & embankment template fabricated. 2 Centre line of embankment shall be marked for whole length. 3 Loose soil from base shall be removed from all spots. 4 Embankment template shall be fixed at various spacing longitudinally. 5 Backfill shall be carried out in layers 250 mm loose thick, watered & compacted using

heavy roller. 6 Whole layer shall be compacted to achieve non structural fill density. 7 Field tests shall be conducted according to meeting specification requirement. 8 Quantity of samples to be taken for test shall depend on extent of area under compaction. 9 Filling shall continue in layers, until whole section is completely backfilled. 10 Every layer shall be tested accordingly. 11 Structural backfill compaction density test shall be ensured for embankment to receive

heavy loading, such as tanks, roads, foundations etc.

Earthwork for Storage facility1 Excavated material from all areas shall be stockpiled at designated locations. 2 Reusable material for filling shall be screened out regularly from stockpiles.3 Compliance of this material shall be ascertained by conducting classification tests & if

necessary, additional deficient materials of required grading be added to bring stock to acceptable liquid limit, acceptable plasticity index or to non plastic state (atterberg’s limits).

4 This material shall be used for formation of storage tank facility foundation fill works.5 Tank foundation area shall be set out to IFC details. 6 Design profile shall be established & filling layers commenced with. 7 Every layer shall be filled 250 mm thick watered & compacted down to 200 mm. 8 Field density test shall be conducted, after compaction to allow commencement of upper

layer, while further compaction shall be done in case, required FDD is not achieved. 9 All forthcoming layers shall be filled adhering to same procedure, tested & retested. 10 Top layer to receive bituminous surface finish shall be prepared suitable accordingly. 11 Surface shall be cleaned, leveled properly & top surface finish level established.12 Surface shall be primed with approved bituminous material. 13 Conglomerate 10 to 20 mm size, closed with 5 mm aggregates & bituminous emulsion @ 1

kg/m^2 or in accordance with contractor standard to from a total compacted thickness 100 mm.

14 Surface shall be inspected & density test conducted by taking out compacted cores.15 Similar operations shall be carried out on sloping areas.



Execution Plan Project Implementation Earth dikes- To retain basins1 Similarly, filling works for earth dike shall be carried out as stated in foregoing from

excavated material & also, if required from supplied material, as case may be.2 Body of dyke shall be covered by application of an approved material to give acceptable

finish to body of dyke per provisions on IFC drawings.

Soil Improvement- By Soil Substitution1 Wherever shown on IFC drawings, scope to replace existing soil from plant area, removable

soil shall be excavated out in specified thickness & transported to dumping areas. 2 Suitable backfill material shall be procured from an approved source including site

stockpiles & backfilling activity carried out to replace excavated portion of plant area.3 Watering & compaction shall be carried out, all according to approved procedures. 4 Testing shall be conducted to ascertain field density achievement.

Soil Treatment1 Wherever shown on IFC drawings, scope to treat soil belonging to an area, it shall be

stripped out from area & transported to stockpiles for purpose to add into this material cement or lime, water & mix mechanically.

2 After mixing of soil, re transport to original location shall be carried out, spread on to area, leveled, compacted to acceptable thickness & bring profile to defined levels.

3 Whole area in scope shall be applied treatment accordingly.

Walkways Kerb1 Wherever shown on IFC drawings, scope of laying & fixing walkway kerbs, proper

preparation of formation duly compacted shall be carried out. 2 Blinding shall be laid to required profile in gradient. 3 Kerb shall be placed on blinding including defined cement mortar mix sealing base of kerb

& end to end joints perfectly. 4 Alignment of kerb, gradient, verticality & joint thickness shall all be controlled. 5 Deviation in alignment shall be maintained within acceptable limits.

Walkways Foundation1 Granular material shall be filled below walkway finishes given required gradient. 2 This fill shall be compacted to non structural requirement.

Walkways Finishes1 Finishing over walkway foundation shall be applied according to IFC drawings &

specification requirement2 Wherever shown on IFC drawings, 30 mm thick rolled thickness of bituminous

conglomerate shall be applied.3 Wherever shown on IFC drawings, 100 mm thick RC concrete including prefab mesh

paving, given float finish shall be applied with required number of joints properly spaced.4 All loose soil shall be cleared, formation level made up and well compacted followed by

pesticide treatment application if so specified.

Laying Kerb stones Typical Sample 1 Setting out kerb excavation lines according to drawing 2 Excavation up to formation level i.e. 450mm from kerb top level 3 Formwork fixing and pouring grade 20 concrete 450mm wide and 150 mm thick 4 Formwork fixing and pouring grade 20 concrete 150mm wide and 150 mm thick high



Execution Plan Project Implementation 5 Pouring grade 20 concrete all according to approved procedures 6 Fixing 12 T reinforcing bars @ 200 c/c vertically supported to forms 7 Bedding in cement mortar 1:3, 25mm thick for kerb stones grade 20 8 Fixing kerb on mortar to true lines and levels with chamfer facing pavement & jointing with

mortar. 9 Alignment tolerance shall be 3 mm in 75 mm both ways vertically as well horizontally. 10 End to end butting mortar thickness shall be 3 mm 11 Placing haunch back fillet concrete grade 20, as shown in (triangular fillet section) 12 Filling up to top of vertical concrete with earth fill & compaction 13 All areas below proposed interlocking course to be filled with 100 mm thick sand screed, all

according to conventional procedures 14 QC inspection shall be conducted for kerb laying approval and ITP requested to be signed

off by QC

(Laying Paving Interlocking blocks) 1 Thickness of interlocking blocks 60mm 2 Thickness of sand screed bedding 100mm 3 Plank runs shall be used to allow barrows to move on to avoid level disturbance 4 First surveyor shall set out pattern borders, all according to shop drawing as well as, design

drawings 5 First grey or other approved colour interlock blocks shall be laid to position & profiled to

form border pattern. 6 Blocks shall be laid in full, but at edges of obstacles, such as inspection covers, where cut

blocks may be required.7 Whole blocks shall be laid first wherever possible, while trim able blocks exactly marked &

cut to required size. 8 After design profile is well formed & approval, fill in course to border areas shall be carried

out by laying red or as approved colour blocks9 After sufficient blocks have been laid, sand bedding shall be carried out using a plate

vibrator pressing blocks to required level in 2 passes, covering entire area with each pass to make bedding even

10 Sand screed shall be spread on surface of blocks with 2 more vibrator passes applied & brushed under leading edge of vibrator to allow joints vibrated

11 QC inspection shall be conducted & client requested to approve paving

Roads, Yards, Paving (Asphalt)Road Works Typical SampleFollowing sequences shall be involved to do roadwork1 Clearing all services according to project drawings and inspections/approvals2 Preparation of area to be structured by removing topsoil, placing in imported fill material,

profiling levels to project drawing & compaction.3 Applying pesticide treatment if required4 Application of all pre work items, such as construction of kerbstone to complete sectional

details shown on project drawing miscellaneous details. 5 Inspection of surface to be conducted6 Sub base class B material shall be spread on area in strips of required thickness keeping

more than design thickness by 25mm i.e. 150+25 mm7 Sub base approved fill material to interlock class B material shall be spread on spread

material & dry rolling carried out to produce correct profile of section



Execution Plan Project Implementation 8 Water shall be sprayed on surface to have it penetrate into & around all voids of spread

material & compaction by heavy roller carried out to achieve whole course dense.9 After required number of passes, probably 6 given by 18 to 12 Ton rollers bringing laid

material to required thickness 150 mm & also, exhibiting rebound on surface, compaction by rolling shall cease.

10 Density test shall be conducted all according to approved ITPs requirement11 Compacted course shall be left for drying in due course, allowing it to be ready to receive

prime coat MC1. 12 Drying time shall not be less than 48 hours.13 Prior to start of prime course spreading, whatever defect is observed during visible

inspection shall be repaired in rectangular or square shape or as agreed with.

Asphalt concrete1 Asphalt concrete shall be laid in widths of driveway roads according to project drawings.2 Wearing course thickness being 40mm & that of dense bitumen binder course 80mm3 Paving works shall be carried out in 2 stagesStage 11 Laying & compacting bottom bituminous binder course Stage 21 Laying & compacting top wearing carriageway

Surface preparation 1 Prior to application of dense bitumen binder course, already laid & compacted aggregate

base course shall be prepared suitable for this purpose2 Base course shall be corrected of all deviation more than 13mm from designed profile at all

points & not more than 9mm in 3m on longitudinal grade at whatever location by either adding to or removing from surface deficient or redundant material respectively, to bring surface to design shape, watered & compacted in accordance to specification, all as stated above

Main Operations Following main operations are involved1 Re preparation of aggregate base course surface with water & compaction by pneumatic

roller 2 Application of priming coat & drying out3 Application of 60mm thick dense binder course4 Power brooming completed dense binder course5 Application of tack coat & drying out6 Application of 40mm thick bitumen concrete wearing course

Mixing1 All materials shall be mixed at an approved calibrated & approved asphalt plant2 All trucks and other equipment as included/listed shall be readily available for inspection

Transportation1 Material shall be transported from plant to planned location in good condition by trucks

clean of all foreign material & covered with tarpaulin sheet to prevent dust invasion during inclement/adverse weather conditions

2 It shall be ensured by obtaining observations using thermometer that material, when laid is within 130 to 165 degree Celsius




Application1 Coverage 2 Primer coat 0.8 to 1.4 litre/m^23 Tack coat 0.4 to 0.7 litre /m^2

Primer 1 Client inspections shall be conducted to ascertain true profile of aggregate base course &

corrections applied if so required2 All surfaces planned to be primed shall be barricaded & cleaned of all dirt/all objectionable

materials3 Bituminous material shall be applied evenly on dry surface by means of a pressure

distributor spray tanker within a temperature 30 deg to 70 deg C

Surfacing Binder Course1 Client inspection shall be conducted prior to commencement of binder course laying to

make sure that surface is satisfactorily clean, well dried & even to specified priming conditions as well as, to receive binder course.

2 Material upon arrival at location shall be spread & struck off to prepared profile by means of self pour spreading & finishing equipment attached with a strike off assembly, distributing mixture to a strip 3 m wide

Rolling 1 Steel roller’s # of passes 6 to 8 depending on surface condition 2 Steel rollers 10 T capacity equipped with adjustable wheel scrapes, water tanks & sprinkling

apparatus to keep wheel sufficiently wet to prevent bituminous mixture from sticking to steel surface shall be employed to roll profiled material immediately, after material is laid to acceptable profile to prevent formation of undue displacement or hair cracking

3 Roller wheels shall be kept properly moistened, without excess water or oil4 Rolling shall commence from side and proceed towards centre, each trip overlapping

previous one by at least 300 mm, keeping alternate trip not more than 5 km/h & it shall continue, until surface is impression free.

5 Mechanical compactors shall be engaged to compact /roll inaccessible area layers.6 Pneumatic tyres rollers shall be engaged only, after compaction by wheel roller is over.7 It is significant to make sure that asphalt temperature should not fall below 80 deg C prior

to full compaction is achieved8 Roller shall not pass over edges of freshly laid material generally, except when edge is

located at a discontinuation for that day9 QC inspection shall be conducted throughout above operations to make sure that material is

compacted to standards and temperature remains within limits mentioned as well as, levels are maintained within specification tolerances particularly, over areas involving shoulders

10 At commencement of work on area involving compacted & chilled edge, a bevel shall be cut out, cleaned & tack coat applied to receive adjoining material

11 No traffic shall be permitted until 12 hours lapse post rolling completion

Wearing Course1 Planned surface shall be cleared of all dust & dirt using power broom or blowing2 Tack coat shall be applied meeting to specification requirement3 Immediately upon arrival, material shall be spread & rolled similarly, as described in



Execution Plan Project Implementation foregoing.

4 QC inspection shall be conducted throughout above operations to make sure that material is compacted to standards and temperature remains within limits mentioned as well as, levels maintained within specification tolerances

Reinforcement Fabrication1 When reinforcement is to be ‘cut and bent’, foreman shall be issued with a current rebar

schedule. 2 Foreman shall review schedule and allocate fabrication process to relevant fabricator/steel

fixer. 3 Material required shall be sourced from yard storage facilities.4 Correct bar diameter shall be cropped /cut into specified length as given on bar schedule. 5 Cropping/cutting operator shall crop/cut required bars of each diameter.6 Upon bending first of each bar type, it shall be checked by foreman for correctness. 7 This bar if approved shall be utilized as a check template for all concurrent bars of that type.8 Bending operator shall fabricate required number of bars of each shape code monitoring

against approved check sample, when each bar is completed. 9 An error in bending of bars shall be corrected prior to placement in storage.10 Correct bent bars shall be stored in bundles & protected against ingress of moisture.11 Bundles shall be tagged with a suitable label, which indicates relevant bar reference and

BBS document reference, based on which, these bars have been fabricated.12 Completed bundles shall be stored within reinforcement yard, until such time when such

bars are required upon site for permanent inclusion. 13 Storage shall be arranged in accordance with procedure for store control.

Reinforcement Placement Typical1 Relevant reinforcement bars, spacer blocks, chairs, stirrups and tie wire shall be collected

from stores as well as, fabrication yard and made available at work site.2 Material shall be stored at worksite, in accordance with storage procedure pertaining

fabricated & non fabricated reinforcing bars.3 Current revision of reinforcement drawing that applies to structure being constructed shall

be checked by project engineer, site engineer & QA/QC for validity.4 Steel fixers shall place and tie, reinforcement bars and accessories, in accordance with

current reinforcement drawing under direct supervision of reinforcement bars charge hand or foreman.

5 Particular attention to following items shall be monitored by charge hand/steel fixer and foreman:a Lap length of bars.b Tie wire protrusions into cover areas.c Appropriate concrete cover to formwork and outside faces.d Placing adequate support chairs and stirrups.e Spacing of reinforcement bars.

1 Site Engineer & charge hand steel fixer/foreman shall check fabricated reinforcement, when placing reinforcement bars is complete.

2 Result of this inspection shall be recorded upon pre concrete inspection checklist by site engineer & QC.

3 Foreman steel fixer shall ensure that reinforcement has been correctly placed prior to informing site engineer & QC.

4 QC shall check all items of different shapes, spacing & numbers, spacer blocks, additional



Execution Plan Project Implementation chairs if required.

5 Should inserts, conduits, pipes, bolts etc, require fixing within structure according to design details or shop drawings, steel fixer foreman shall arrange for placement of these items according to directions by project engineer/site engineer.

6 Inter disciplinary inserts, such as electrical, plumbing & mechanical etc. shall be placed respective discipline foremen

7 Where a reinforcement bar clashes with such items, based on decision of engineer, project or site engineer, steel fixer shall move relevant bar.

8 An additional bar may be required to offset this moved bar. 9 Should certain doubt arises about moving bars, charge hand shall inform foreman & site

engineer to resolve issue with engineer.10 Foreman shall inform site engineer when these activities are complete.11 Where reinforcement bars are required to be placed in layers in beams or elsewhere, spacer

bars may be included between layers placed cross, which should generally, be indicated on drawings

12 Where large size dia. bars are included within beams sections leading to congestion at overlaps, mechanical connectors would be an alternative solution to avoid overlaps

13 Mechanical connectors can be included both in compression as well as, tension areas14 When epoxy coated reinforcement bars are included, overlap shall be allowed more than as

required in case of non coated reinforcement bars15 QC shall inspect reinforcement bars placed in structure for compliance with design

drawings and details as well as, other working and shop drawings.

Formwork Erection

Typical

1 Based on site engineer’s instruction, formwork foreman shall study structural drawing to be profiled & decide together with site engineer, most suitable method of formwork erection.

2 Where prefabricated formwork can be assembled in carpentry workshop, fabrication shall be carried out.

3 Surveyor shall establish lines and levels for erection of formwork. 4 Established lines and levels shall be explained to foreman and supervisor in charge/charge

hand of formwork activity.5 Foreman shall ensure that preceding activities have been approved, so that this activity may

commence. 6 Sections of prefabricated formwork required to profile structure, shall be taken to work site.7 Form carpenters shall ensure that formwork faces are clean, in good condition for type of

finish required & applied over with shutter form oil.8 Formwork carpenters shall assemble and fix unit in accordance with current drawing.9 Charge hand of carpenters shall monitor particular issues such as:

a Sealing of joints between formwork has been applied properlyb Verticality of formwork is according to requirement. c Tie bolts are in proper positions & duly snug tight.d Adequate bracing and supports are in tacte Provision where applicable for box outs and inserts have been appliedf Provision where applicable of chamfer and channels have been fixed

1 Supervisor and surveyor shall check lines and levels of formwork, when all bracing and strutting have been completed.



Execution Plan Project Implementation 2 Wherever required, formwork shall be adjusted to conform to required lines and levels.3 Supervisor shall ensure that damaged face of formwork is repaired.4 Foreman shall review formwork, when completed.5 Where anchor bolts or embedded plates are to be suspended in structure, supervisor shall

ensure that these arrangements are adequately, supported as well as, securely braced. 6 All inserts and bolt groupings shall be checked for location and level, prior to placement of

concrete as well as, after concrete is placed.7 When formwork activity is complete, site engineer/supervisor shall inspect formwork and

associated works, recording observations on approved formats, formwork checklist and inserts check list.

8 QC inspector shall confirm acceptance of this activity after review of items.9 Where large formwork elements are encountered, QC inspector shall review formwork

bracings and supports with site engineer.

Concreting Typical sample1 Supply order for estimated quantity may be placed in advance, but real order confirmation

shall be done based on pour approval. 2 After inspections of preparatory works pertaining to elements namely footings, stubs,

columns, suspended slabs etc. & relevant approval, order for release of concrete from batching plant shall be placed.

3 Required quantity shall be sequenced depending on consumption frequency on site.4 Concrete shall be poured either by concrete pump or by mobile crane or directly from

transit truck depending on necessity & convenience. 5 Necessary access to location shall be prepared using proper supports or platforms, duly

inspected by safety officer in charge.6 Immediately, at arrival of truck mixer of concrete on to site, slump, temperature, air

contents etc. all site test samples to specification requirement shall be taken by ready mix supplier in presence of QA engineer.

7 In case, concrete does not meet specification requirement, truckload shall be rejected.8 Arrangement shall also, be made for filling of concrete cubes/cylinders on site & number of

specimen meeting to specification requirement.9 After truck is approved by QA to be transported to site location, concrete pump, which

should already be located in proper position shall receive load & pump out to in situ delivery location.

10 Concrete laying gang/crew already present on site location shall receive & pour concrete mix into prepared elements from a drop height not more than 2 m from edge of boom chute pipe.

11 As soon as, enough mix is available in element to compact mix conveniently, insertion vibrator shall be used by a trained operator to compact mix till no more bubbles appear.

12 Foreman/bank man shall direct pump remote control operator about boom movement/stop & hold points or stages during concreting.

13 Vibrator shall not be allowed to touch forms side or reinforcement bars. 14 Over vibration shall not be permitted during concrete15 Each Footing shall be poured in one go/onetime if thickness being not more than 500 mm

in depth.16 Widened portion of stub in touch with soil shall also, be poured in strips not more than 450

mm deep17 Into columns mix depth at one rotation shall be 450 mm & in different strips vertically,

pouring should be completed avoiding formation of cold joint



Execution Plan Project Implementation 18 Top point of pouring concrete shall be leveled followed by columns tops unformed areas

covered with plastic sheet19 Portion of pipe chute shall be inserted into column preparatory works to allow for not more

than 2 m vertical drop/fall maximum. 20 Vertical forms of columns shall be struck after 48 hours.21 Inspection shall be made immediately post form striking & defect in concrete should be

brought to QA/QC engineer notice for deciding remedial action.22 Vertical surface shall be covered with saturated hessian, further covered with polythene

sheet cover or alternatively, curing compound would be sprayed over water applied wet surface to form a impermeable membrane not to permit evaporation.

23 Grade slab shall be poured in one go/onetime in depth bay wise between ground beams or walls.

24 For suspended slabs, beams shall be poured first around slab & prior to formation of cold joint, slab concrete shall be poured continuously till whole slab completed.

25 Joints if so required shall be agreed with engineer at beginning of pour.26 Water shall be sprayed over form during hot weather prior to pouring to avoid flash setting

of concrete with reinforcing bars.27 In case, some plant break down is reported, immediately last poured line shall be stopped by

a formed surface with concrete terminated at that point & in no way shall recommence prior to 24 hours with further approval obtained.

28 In such case, previous formed joint shall be scabbled/hacked to expose all aggregate by removing laitance completely, washed with cement slurry & new concrete commenced after making proper bond with old concrete.

29 Due care shall be taken that no spacers, electric conduits or other insert is disturbed from its design or worked location.

30 If so disturbed, it shall be immediately, relocated according to engineer site approval.31 Immediately, after compaction of concrete is over & concrete starts setting in, arrangements

for applying U1 finish to top of slab surface shall be done by timber tamper.32 Immediate curing shall be applied by spreading polythene sheet cover on slabs & footing.33 Then after about 2 hours, polythene sheet shall be withdrawn temporarily & saturated

hessian placed over concrete, recovered with polythene sheet & concrete cured for specified period

34 If so, repair to hardened concrete is required, approved repair material shall be used according to manufacturer’s instructions in compliance to engineer’s approved repair method statement.

Concrete Paving Typical1 All relevant underground services shall be laid in all respects prior to commencement of

pavement work2 Area to be paved shall be made ready by clearing all weak soil & by scarifying.3 Approved sub base material 150mm thick or as specified, shall be filled up to bottom of

concrete slab following profile given on drawing and compacted to 95 % dry proctor density.

4 Weed killer chemical shall be applied to soil to prevent organic growth if so specified.5 Whole area shall be divided into parts to suit services and contraction joints formations & as

shown on drawings6 On ‘compacted filled area’ to be paved, polythene sheet 0.25mm thickness shall be placed

with end overlaps at least 150mm at all joints and intersections.7 End forms shall be fixed on sides allowing a provision to place 20 dia. MS dowel bars



Execution Plan Project Implementation 650mm long & 300mm centre/s half painted with 2 coats bit mastic paint with 100mm long cardboard cap containing compressible material such as cotton waste at expansion joint to details shown on drawing, which thickness of expansion joint should be 20mm

8 At contraction joints 25 x 25 mm plastic crack inducer shall be provided as shown in detail & joints cut for a depth of 20mm with a concrete cutting machine.

9 Welded wire fabric mesh dia. 6 T @ 200 mm centre/s shall be placed in bay, centrally located with concrete spacers provided below.

10 Forms shall be set to correct levels, so that total thickness of concrete is as indicated on drawings.

11 QC inspection shall be conducted for pour approval.12 Concrete shall be poured in one layer and compacted using vibrators & given brush finish to

correct levels.13 Curing compound shall be spread on surface for immediate curing, covered with polythene

sheet and later within 2 hours, damp hessian added by removing polythene sheet temporarily and recovered thereafter.

14 Expansion joints between two adjacent slabs shall be filled with elastic joint filler and sealed with a chemical resistant sealant, complying with details shown on drawings.

15 QC inspection shall be conducted.

Concrete Lined Trapezoidal Ditches1 Earth sectional depth dimension as included within specifications Depth 300 to 500 mm;

501 to 1000mm; 1000 to 1500mm.2 Setting out dimension about proposed ditches shall be marked.3 Excavation shall be started & shaped to design profile.4 Compaction shall be done to non structural requirement.5 Proper gradient as indicated on design drawings shall be maintained.6 Isolation layer shall be laid if so provided within specification.7 Blinding shall be laid on compacted base to design thickness.8 Preparation for lining concrete shall be carried out by placing in prefabricated reinforcement

to design details & sides formed at edges parallel to ditch as well as, at construction joints.9 After inspection, concrete pour shall be carried out in alternate bays, with unformed

horizontal as well as, sloping surfaces finished smooth. 10 Remaining bays shall be carried out during next day operation.11 Curing shall be carried out accordingly, to approved procedures

Expansion Joints between ditches1 Size of proposed joints to be filled /sealed is 15 mm wide x 15 mm deep.2 Surface shall be cleaned of all dirt, dust and loosely adhering materials.3 All grease and oil contamination shall be removed using hard small brushes, compressed air

etc. 4 Fibre board shall be removed to required depth.5 Under normal circumstances, priming is not required.6 Masking tape shall be used to confine joint borders, keeping adjoining concrete surfaces

clean.7 Contents of sealer container shall be removed by a trowel or a spatula. 8 Sealant mastic shall be applied to prepared and masked portions.9 In case of vertical joints, bottom to top application sequence using a spatula or a trowel,

shall be followed, ensuring entire volume of joint is filled in effecting a total contact with joint surfaces.

10 After application, sealant shall be smoothened and compressed into joint using a spatula or



Execution Plan Project Implementation a putty knife, moistened with cleaning solvent.

11 Masking tape shall be removed immediately, after application is completed to keep concrete surface clean.

12 A full cure (a stage, when solvent evaporation is completed) shall normally consume 4 to 6 weeks post application of sealant.

13 Painting over concrete surface if so required, shall be carried out, only after full cure has affected.

Concrete Lined Rectangular Ditches1 Setting out dimension about proposed ditches shall be marked.2 Excavation shall be started & shaped to rectangular design profile.3 Compaction shall be done to non structural requirement.4 Proper gradient as indicated on design drawings shall be maintained.5 Isolation layer shall be laid if so provided within specification.6 Blinding shall be laid on compacted base to design thickness.7 Preparation for lining concrete shall be carried out by placing in prefabricated reinforcement

to design details & sides formed at edges parallel to ditch as well as, at construction joints.8 After inspection, concrete pour shall be carried out in alternate bays with unformed

horizontal surface finished smooth. 9 Remaining bays shall be carried out during next day operation.10 Curing shall be carried out accordingly, to approved procedures

Expansion Joints between ditches1 Size of proposed joints to be filled/ sealed is 15 mm wide x 15 mm deep.2 Surface shall be cleaned of all dirt, dust and loosely adhering materials.3 All grease and oil contamination shall be removed using hard small brushes, compressed air

etc. 4 Fibre board shall be removed to required depth.5 Under normal circumstances, priming is not required.6 Masking tape shall be used to confine joint borders, keeping adjoining concrete surfaces

clean.7 Contents of seal container shall be removed by a trowel or a spatula. 8 Sealant mastic shall be applied to prepared and masked portions.9 In case of vertical joints, bottom to top application sequence using a spatula or a trowel,

shall be followed ensuring entire volume of joint is filled in to effect a total contact with joint surfaces.

10 After application, sealant shall be smoothened and compressed into joint using a spatula or a putty knife, moistened with cleaning solvent.

11 Masking tape shall be removed immediately, after application is completed to keep concrete surface clean.

12 A full cure (a stage, when solvent evaporation is completed) shall normally, consume 4 to 6 weeks post application of sealant.

13 Painting over concrete surface if so required, shall be carried out, only after full cure has affected.

14 Galvanized grating shall be placed on ditch later.

Termination Details to protective membrane

1 Following operational sequences shall be involved



Execution Plan Project Implementation Case 1

Application of waterproofing membrane according to specifications, to defined levels keeping top 200 mm or variable dimension as indicated on drawing, above finished ground level.

1 Concrete surface shall be cleaned of all dirt & dust using a brush.

2 Lines shall be marked on all sides to correct level per drawing.

3 Bead lengths to exact site dimensions shall be cut to suit a close fit between ends.

4 Every bead shall be provided with a minimum 3 # screws to be drilled and fastened into concrete penetrating membrane, using an electrical operated drill.

5 After screws have been fastened and beads are in proper alignment, approved sealant shall be applied to top of bead keeping about 5 mm above bead, with a downward lap as follows.a Sealant shall be applied using a gun fitted with conical nozzles, adjustable to suit width

into corner, using an even trigger pressure & cleaning nozzle occasionally, to avoid contamination.

b A smaller timber spatula soaked in soapy water shall be used to compact sealant into joint/junction for achieving a smooth polish finish formation.

c Mixing and application equipment shall be cleaned immediately, after use.d QC inspection shall be conducted & relevant ITP signed off

Case 2


2 Where grooves have already been chased, waterproofing membrane shall be tacked in & sealant applied to space left in groove in line/according to specifications and manufacturer’s instructions.

3 No aluminum bead shall be included in this case.

4 Sealant shall be applied around bead continuously.

5 Contractor QC inspection shall be conducted & relevant ITP signed off

Case 3


2 In gravel or soil area, membrane shall be terminated at a level ‘150mm plus’ below finishing level keeping aluminum bead details typical.

3 All other details shall remain as in ‘case 1’ if no rebate has been chased.

4 QC inspection shall be conducted & relevant ITP signed off

Case 4


2 In paved area, membrane shall continue up to termination level, but protection board cease at 20 mm below paving level, filled with mastic on top keeping all other details as in case 1 if not chased for rebate.

3 QC inspection shall be conducted & relevant ITP signed off

Grouting to pipe rack bases typical



Execution Plan Project Implementation 1 Surface to be grouted shall be chipped /scabbled without using mechanical bush hammer, to

expose aggregate and remove laitance. 2 Finished surface shall be free from oil, dust, dirt, paint, curing compounds etc. and be

soaked in with water for 24 hours prior to grouting, to minimize localized absorption as well as, to assist free flow of grout.

3 Bolt holes/pockets shall be made water free prior to placement of grout.4 Base plates/bolts shall be clean and free of oil, grease and paint and correctly aligned

meeting requirements according to approved drawings.5 Stainless steel shims 50x50x10 mm thick shall be placed in correct locations, covered with

mortar, so as to allow at least 50 mm grout cover on shim sides.6 Forms on essential sides shall be erected at locations with chamfers.7 An electric drill fitted with a paddle shall be used for grout mixing purpose, using water @

3.5 to 4.5 litres per 25 kg bag of Master flow 928 or whatever other approved grouting material depending on requirement.

8 Mixer shall be clean with no standing water.9 90 % measured quantity of water required to achieve desired consistency, according to

batch volume should be added to mixer, before adding grout and Masterflow 928 or whatever other approved grouting material would be added gradually, simultaneously pouring in remaining 10 % water quantity during mixing, which has to be kept on for at least 3 to 5 minutes, until a uniform lump free consistency is achieved.

10 Then grout shall be poured continuously, using grout pour cone with a constant hydrostatic head of at least 15 cm.

11 Having poured grout Masterflow 928 in place, all exposed grout shall be covered with clean dampen hessian and would be kept moist, until grout is firm enough to accept a curing membrane.

12 Temperature range 4 to 32 degree C shall be maintained for 3 post pour continuous days.13 Grout thickness varies between 25 to 50 mm.

Water Tightness Test of RCC Structure typical Sump1 Structure to be tested shall be completed of all RCC constructions according to specified

and agreed procedures. 2 Complete filling of tie rod holes with MBT Master Flow 544 or Conbextra GB or an equal

approved shall be carried out according to manufacturer’s instructions.3 Inlet shall be laid in place to levels shown on drawings as reflected on water quantity

schedule i.e. invert levels at maximum supply elevations.4 External surfaces of structure shall be prepared & applied with specified protective system. 5 QC inspection shall be conducted for approval of membrane.6 Structural backfilling shall be carried out externally, to project specifications & necessary

field density tests conducted to requirement. 7 Application of floor screed as specified shall be carried out8 Entire surfaces of structure to be tested shall be sweep blasted removing all loose spalls,

dust dirt etc. 9 Prepared internal surfaces shall be inspected by QC for approval.

Following operations shall be involved to conduct water tightness test according to BS 8007: 1987 Section 9.1 applicable to liquid retaining structures.

1 A graduated stick shall be provided on wall top to show water levels to ‘mm’ count.

2 Potable water shall be filled into respective pit structure at a rate 2 m depth per 24 hours, for



Execution Plan Project Implementation which attached ‘filling scheduled quantities ‘shall apply.

3 Attached schedule shall depend on structure volume.4 After water is filled in to required level, it shall be allowed to stay for a period of 7 days for

stabilisation, absorption and autogeneous healing. 5 If so required, water shall be added to maintain maximum test level, in case it is lost during

this period.6 Test shall commence from 8th day and continue for 7 days for a design crack width of 0.1

mm according to specification requirement.7 Observations regarding water level drops shall be recorded every 24 hours by visual

measurements on mm scale. 8 Test records shall be documented on approved form.9 ‘Structure leak test ‘and judgment on test made accordingly.10 During this 7 days period, total permissible loss in level shall not exceed 1/500 of average

water depth of full tank or 10 mm.11 After test is successfully completed, water shall be pumped out either to other structure for

testing should that be ready to receive it or if not, to construction areas for curing or other purpose as agreed leaving pit empty.

12 Remedial work if required.a In case of unsatisfactory performance of water tightness test and upon agreement with

client, injection grouting method may be adopted to seal seepage routes. b Should structure not satisfy 7 days test, after completion of remedial work, it should be refilled

and if necessary, left for a further stabilising period with conducting a further test of 7 days’ duration should then be undertaken in accordance with this clause.

Concrete Protection Coating TypicalMethod involves following sequences in general.1 Surface preparation, mixing, application details-all grease, oil, dust, residual curing

compound, mould release agent or other contaminants, which could impair adhesion shall be removed from surface by degreasing and washing.

2 Whole surface to be coated shall be cleaned using water jetting and visually inspected to ensure that roughness does not exceed grade 80 sandpaper.

3 All holes, voids, depressions, spalls etc. shall be filled with masterseal 550 or an equal approved mixed to a trowel consistency, scraped lightly into surface, allowed to dry and later, roughened by hand wire brush on small areas and gently, water jetted on larger areas.

4 Filled areas shall be visually inspected to ensure that correct mechanical key is achieved.5 Mixing- master seal is supplied in pre measured units, which shall be mixed on site using

clean containers. 6 Powder shall be slowly added to liquid component and agitated/mixed for 2 minutes by

using a slow speed hand power drill fitted with a suitable paddle attachment, until a homogeneous lump free consistency is obtained.

7 Mix quantity volume shall be such that it could be consumed in one hour during application, without allowing any re-tempering with water.

8 Application coverage 1.8 Kg/sqm @ 1 mm thickness.9 Coating shall be 1 mm thick applied in one coat. 10 In hot weather, surface to be coated shall be shaded from direct sunlight. 11 Areas to be coated shall be saturated with fresh and clean water.12 Prepared and saturated surface shall be inspected by QC. 13 Mixed material shall be applied, while surface is visibly damp, without standing water using

short stiff brush or roller. (Roller shall be used in major/large areas).



Execution Plan Project Implementation 14 Evenness and thickness of applied coating shall be regularly, checked during application,

when material is still wet.15 Materials shall be allowed to dry and visually inspected. 16 QC inspection shall be conducted. 17 All missed areas shall be saturated and then touched up.

Lighting Poles Foundations TypicalPre casting Area1 Existing yard being used for pre casting manholes, catch basins etc. shall be employed for

this purpose also.2 Following operations are involved to carry out production of light poles foundation bases

Pre installation operations 1 Fabricate and erect side forms 4 #s to specified dimensions.2 Fabricate reinforcing bars according to specified details.3 Provide non critical cathodic protection bosses.4 Provide PVC cable duct sleeve for electrical cables as shown on drawing.5 Provide bolt assembly to requirement and location.6 Provide lifting lugs to carry a gravity load of at least 3 Ton + handling stresses.7 Have inspection conducted & pour concrete. 8 Cure concrete immediately, after pouring for specified number of days

Post casting operations 1 Cure for specified period continuously if not autoclaved. 2 Set out & excavate location to required formation level, 3 Carry out blinding activity.4 Waterproof blinding as specified to act as concrete protection against soil. 5 Keep area ready in all respects, well oriented & aligned to receive foundation directly to be

offloaded. 6 Transport to location lighting pole precast member & directly offload to setting out marking

on waterproofed blinding7 Apply water proofing membrane around as specified.8 Provide protection board as specified9 Back fill surrounding space between foundation & excavated pit to relevant grade level

Details1 Typical size of foundation may be 1000x1000mm in plan and 1100mm deep.2 A possible 10 units may be produced by pre casting every day on an average.3 Forms to exact size with preformed chamfers shall be prepared and erected.4 Steel reinforcing bars shall be cut, bent to required shape, placed and cage prepared holding

75mm concrete spacers, would be positioned into forms. 5 1 # 350 mm internal radius 100 mm dia. PVC cable duct sleeve profiled to dimensions shall

be anchored by binding wires to exact locations shown on drawing, keeping upper end flush with concrete top.

6 Lifting lugs (GI) as shown on sketch shall be fixed in to correct locations. 7 Forms for block outs for lifting lugs shall be fixed in to correct locations as shown, without

clashing with duct or reinforcing bars allowing a protrusion of hook. 8 Bolt assembly shall be fixed in exact position according to design details.9 Noncritical cathodic protection shall be arranged using a metallic continuous binding wire

connecting all horizontal reinforcing bars terminating into a boss, fixed at one location near



Execution Plan Project Implementation top in middle of side opposite duct carrying portion.

10 All supports and dimensions shall be checked and plumb monitored.11 QC inspection shall be conducted. 12 Concrete shall be poured to all prepared units in 3 layers in vertical sequence.13 Appropriate vibrator shall be used for compaction of concrete. 14 During concreting, care shall be taken to keep anchor bolts’ position undisturbed and

intermittent checks be continuously conducted to monitor spacing /centre/s between bolts. 15 After concrete is poured in full & well compacted, surface shall be leveled using a wooden

float, followed by light steel trowel. 16 Immediately, after concrete starts setting, approved curing compound shall be sprayed on

surface forming a continuous membrane, which should be covered over with a polythene sheet all according to specifications.

17 After 2 hours, polythene sheet shall be temporarily, removed to spread over concrete surface saturated burlap cloth or hessian with polythene sheet recovered immediately.

18 Side forms shall be removed after specified period. 19 Vertical concrete surfaces shall be spread with curing compound immediately, after striking

forms and covered with polythene sheet according to requirement.20 Curing shall be continued for specified period.21 Relevant locations shall be made ready to receive precast units by completing excavation,

blinding, horizontal waterproofing and forming correct alignment.22 QC inspection shall be conducted. 23 Unit shall be lifted by a mobile crane, loaded gently onto a trailer and transported to

location for offloading on to prepared ‘location to receive’ unit. 24 Unit shall be installed on marked location in line/according to correct orientation to lighting

layout drawing.25 QC inspection shall be conducted. 26 Protruding lifting lug eyes shall be cut to 60 mm inside block out, void filled with concrete

by first scabbling internal surface, followed by cement slurry grouting and pouring concrete.27 External surfaces of foundation shall be applied with concrete protective membrane

according to specifications requirements.28 QC inspection shall be conducted 29 Membrane protection board shall be provided covering surface to specified details.30 Back filling shall be carried out according to specification up to required levels in layers

and up to required ground grade or pavement. 31 Points to locate cathodic protection shall be provided with a marker to trace boss. 32 Sequence shall be repeated for all lighting poles foundations.

Pull Pits Typical

Operations in Pre casting Yard Pre casting Area

1 Existing yard being used for pre casting of manholes, catch basins and lighting poles foundations etc. shall be employed for this purpose also

Form work.1 Typical size of Pit type shall be taken from drawings.2 On an average, 20 units shall be produced by pre casting every day 3 Wooden forms to exact dimensions with preformed chamfers shall be prepared and erected.

Reinforcing bars placement



Execution Plan Project Implementation 1 Steel reinforcing bars shall be cut, bent to required shape, placed with 75mm concrete spacers and

positioned into forms according to details provided.

2 Lifting lugs shall be fixed in to correct locations.3 All supports and dimensions shall be checked and corrected if required.4 QC inspection shall be conducted before pouring concrete and signatures appended to ITPs

Pouring concrete & finishing1 Concrete shall be poured into all approved preparatory works in 1 layer by directly

delivering from concrete truck /transit mixer through chute2 1 # ¾” needle vibrator shall be used to compact concrete and 1 # reserved standby. 3 After concrete is poured in full & well compacted, surface shall be leveled using a wooden

float followed by light steel trowel float.

Curing

1 Immediately, after concrete is finished, surface shall be covered with polythene sheet with edge lapped or tied down to exclude air circulation without, permitting membrane to be in touch with concrete surface according to specifications requirements.

2 After concrete has stiffened, but no longer than 2 hours, polythene sheet shall be removed, followed by immediate covering surface with saturated (soaked with mix quality water) hessian and recovered with polythene sheet to prevent evaporation from hessian.

3 Throughout curing period, hessian shall be maintained in a permanent wet condition using mix quality water.

4 Side forms shall be removed after specified period of 24 to 36 hours as agreed.5 Vertical concrete surfaces shall be draped with saturated hessian immediately, after striking

forms and covered with polythene sheet, held firmly in place along all edges & kept continuously, wet for duration of curing.

6 Curing shall be continued for agreed number of days.7 QC inspection shall be conducted from time to time throughout operations.

Lifting, loading & transportation

1 Covers shall be lifted by a mobile crane, loaded gently onto a trailer and transported to area concerned to offload on to prepared ‘location to receive’.

On site operations-post laying Cable ducts

1 Area around excavation coverage shall be barricaded to site requirement.

2 Setting out shall be marked by surveyor to required coordinates.

3 QC inspection shall be conducted throughout operation and ITP for survey check signed off

Excavation

1 Excavation shall be carried out (manually, if ducts are not encased in concrete) to specified formation levels i.e. 1300 mm (varying from area to area) from finished grade monitored by surveyor

2 Compaction and tests if so required shall be carried out accordingly.



Execution Plan Project Implementation Mass concrete base

1 Formwork for mass concrete that may be 500mm wide and 150mm deep shall be prepared and erected to settings.

2 QC inspection shall be conducted from time to time throughout operations and concrete pour ITPs signed off

3 Concrete shall be poured to exact levels, finished properly and cured to specified procedures

Concrete protection

1 Concrete protection shall be applied to mass concrete meeting to details & specifications.

Block work in walls

1 200mm block work shall be constructed according to details to required levels, so that cover top level is 100mm from finished grade/ground level.

2 In case, ducts are not laid in, opening shall be provided in wall

3 QC inspection shall be conducted from time to time throughout operations

Compacted sand fill

1 Un-compacted sand shall be filled as indicated on drawing & in accordance with specifications.

Compacted backfill

1 Remaining portion shall be backfilled and compacted to specification requirement.

2 Top surface shall be well prepared, compacted and leveled to receive precast covers.

Placing precast covers

1 Covers shall be offloaded by a crane from a trailer transported from pre casting yard to relevant locations, ready with one layer 0.25mm thick polythene sheet with laps 300mm, spread over.

2 Covers shall be properly spaced and leveled to details shown on drawing.

Sand fill

1 300mm deep sand backfill shall be carried out over laid ducts not encased in concrete.

Backfill

1 Backfill including excavated material shall be carried out above sand fill to specifications.

2 QC inspection shall be conducted from time to time throughout operations with relevant ITPs signed off

Lugs Fill

1 Sand shall be filled in lifting lugs recess.




Concrete Protection

1 Exposed concrete surface is a part of pavement and therefore no protection shall be applied.

Massive Block Foundation-Thick Element–Typical1 Wherever specified certain reinforced concrete structure more than 800 mm in thickness &

more than 8 cum of RCC quantity, following procedure shall be followed.2 Excavation shall be carried out meeting approved procedures. 3 Blinding shall be carried out meeting approved procedures. 4 Reinforcement & formwork fixing shall be carried out meeting approved procedures. 5 Cathodic protection, if so specified shall be fixed to design details & continuity ensured.6 Specific attention shall be given to concrete pour sequence. 7 Since quantity of pour element & depth shall be considerably greater, concrete should be

poured in continuous stepping fashion, forming an acute angle with vertical, so that formation of cold joints is completely avoided.

8 Portion poured as previous layer after vibration application, must receive over layer pour within concrete setting time, adequately interlocked to upper layer.

9 A sketch shall be issued to site giving complete sequence of pouring. 10 Concrete foreman must adhere to sketch depicted procedure & complete pour successfully. 11 Massive pour requires thermal curing application substitution for normal curing, as

explained somewhere else in this document that shall be applicable here as well.

Foundations connected to paving concrete 1 All such considerably small foundations shall be placed on pavement concrete to transfer

minor equipment stresses. 2 Construction shall include erection of forms & reinforcement placement duly connected to

paving. 3 Setting out shall be done & forms erected. 4 Set out location area shall be roughened by scabbling/hacking. 5 Reinforcing bars shall be fixed to defined details. 6 Concrete spacers shall be provided on sides & bottom. 7 All electrical inserts placed in to defined requirements. 8 Top level line shall be fixed with plastic chamfers. 9 After inspection is completed, concrete poured & curing applied to approved procedures.

Duct banks1 Excavation shall be carried out to defined sectional size. 2 Proposed formation area shall be compacted to receive concrete. 3 Blinding concrete shall be placed to required thickness. 4 Forms for sides of duct bank concrete shall be erected. 5 Nominal reinforcing bars shall be placed meeting to details. 6 Design ducts shall be placed & fixed in defined positions using proper supporting

arrangements, so that during concreting operation placed/included ducts remain in set positions.

7 Ends shall be closed properly, allowing ducts protrusion from end forms. 8 Ducts ends shall be closed preventing ingress of dust or other foreign material.9 Inspections shall be conducted, concrete poured & cured accordingly, to specified colour.10 After concreting is completed, marker shall be placed over duct concrete & over that

backfill carried out.




Cable TrenchesDummy/walled trench section Typical

Following operational sequences in brief are involved.

1 Setting out to exact alignment route of trench to defined coordinates.

2 Barricading involved area to safety department direction and requirement.

3 Excavating trench to specified levels and required sectional details.

4 Preparing formation to achieve required levels and dimensions.

5 Formwork for sides of mass concrete strip beams.

6 Pouring mass concrete to strip beam forms.

7 Setting out alignment for trench block walls.

8 Block work 150mm thick on walls to specified levels up to pavement down stand beam soffit level.

9 Preparation and concreting pavement portion monolithic with down stand beam extended up to top of block wall.

10 Backfilling trench with excavated earth to specifications.

11 Placing precast coloured concrete covers in 1m or 3m standard lengths on relevant compacted area.

12 Sealing joint between pavement and trench cover.

13 Cable marker shall be provided to requirement.

Details about above operations in general

1 Surveyor shall set out alignment of trench concerned, according to relevant details given on paving and underground services location plans to reference coordinates.

2 QC shall conduct inspection

3 Safety arrangement shall be discussed with safety department and implemented accordingly, to control trench excavation, to provide barricades, nightlights, to divert traffic if so required and to adopt all other necessary measures.

4 Excavation shall be carried out by suitable equipment to lines and levels.

5 Surveyor shall monitor all stages of excavation to achieve required profile.

6 Excavated material shall be transported immediately, by a dump truck to earth stockpiles area temporarily.

7 After excavation is over, formation levels shall be well dressed and compacted meeting to specification requirement

8 Forms shall be fabricated for mass concrete section.

9 Fabricated forms of width 350mm and depth 100 mm shall be erected/ fixed on prepared compacted formation, duly aligned and leveled.

10 QC shall conduct inspection throughout stages of construction

11 Mass concrete shall be poured to marked levels and tamped by wooden float.

12 Formwork shall be struck after specified period is over.

13 Curing of mass concrete shall be carried out according to approved procedures and for specified



Execution Plan Project Implementation period.

14 Alignment of block walls 150 mm thick shall be set out

15 Block work shall be carried out in courses in a straight line and plumb.

16 Whole number of courses shall be laid, while fractional block course, if so remained to make up required wall height, would be constructed as a part of pavement down beam concrete by extending bottom to top of block walls.

17 Pavement /down beam monolithic pouring shall be carried out to specified details according to approved procedures.


19 Backfilling shall commence and trench filled according to specifications.

20 Precast covers of 1m or 3 m standard length shall be placed on filled trench internal surface to specified levels.

21 Concrete shall be coloured meeting to specification requirement.


Where dummy trench runs over duct bank

Typical

1 All operations described in general shall be applicable herein as well, with following amendments/additions to certain activities.

2 Excavation shall be carried out to top of duct concrete only.

3 Walls shall be started from duct top level.

4 Additionally, where underground pipe runs crossing trench, specified pipe shall be laid prior to block work is commenced or openings should be formed in walls

5 Pipe laying operation shall be carried out to design requirement.

6 Flat width of crossing shall be in size equal to value given by equation ‘Duct Bank length + 300x2’.

Where dummy trench and direct buried trench run parallel

Typical


2 While constructing buried trench, profile of dummy trench shall dictate profile of buried trench.

3 Sloping profile to a grade 1 in 2 shall be set /established as shown on drawing.

Where cable trench crossing with closed drain pipe trench

Typical

1 All operations described in general shall be applicable herein as well, with following amendments/additions to certain activities to be supplemented.

2 Profile of cable duct trench shall dictate profile of direct buried trench.

3 Transition of formations between trenches and crossing shall be in grade 1 in 2 as shown on drawing.



Execution Plan Project Implementation 4 Length of duct bank shall be equal to value given by equation.

5 Width of closed drain trench in mm + 2x100.

6 Crossing flat width shall be duct bank length + 2x300.

7 A gap of 100mm shall be kept between duct bank’s top and closed drain’s bottom surfaces.

8 Duct bank shall be constructed according to details.

9 Cable tiles under closed drain trench shall be provided in direct buried trench only.

10 A joint shall be provided between pavement and closed drain trench wall.

Where direct buried trench crossing under dummy trench

Typical


2 A level difference of 350mm shall be kept between elevations of crossing formation and dummy trench.

3 Level transition shall be established by grading 1 in 2.

4 Cables passing under dummy trench shall be protected by cable tiles.

5 Trench corner wall shall be constructed to details showing corner length on trench internal face.

Where trench with dummy trench crossing under direct buried cable trench

Typical


2 Profile of cable duct trench shall dictate profile of direct buried trench.

3 Transition of formations between trenches and crossing shall be in grade 1 in 2 as shown on drawing.

4 Length of duct bank shall be equal to value given by equation.

5 Width of direct buried cable trench in mm + 2x100.

6 Crossing flat width shall be duct bank length + 2x300.

7 A gap of 100mm shall be kept between duct bank’s top and closed drain’s bottom surfaces.

8 Duct bank shall be constructed according to details.

9 Cable tiles under closed drain trench shall be provided in direct buried trench only.

Where direct buried trench crossing under direct buried cable trench

Typical


2 A level difference 700 mm shall be kept between direct buried trench and crossing formation level.

3 Crossing formation width shall be equal to value from equation in mm. (direct buried cable trench width + 400x2).



Execution Plan Project Implementation 4 Transition of formations between trenches and crossing shall be to grade 1 in 2 as shown on

drawing.

5 Cable tiles shall be provided in unpaved areas and at trench crossing.

Electric trench layout at pumps typical


2 Pump base shall be constructed to details.

3 Trench walls shall be continued to shape as shown.

Option

1 If so required and felt convenient for certain uniform section reaches, precast concrete units 100 mm thick may be utilised to substitute 150 mm thick walls directly resting on prepared formation.

Underground PipingIn scope, following types of pipes are indicated to be included.1 Carbon steel pipes gravity network 4” dia. to 14” dia. coating material & welding, flange,

gasket, bolting, testing, valve & flanges, sand filling, back filling/pressure network etc.2 Non reinforced concrete pipes, cutting, jointing, sand bedding, anchor blocks 200 to 500mm

etc.3 Reinforced concrete pipes, cutting, jointing, sand bedding, anchor blocks 200 to 2000 mm

etc.4 Ceramic GREs pipes & fittings, sand bed, Y, T, cuts, leak test, 100 to 500 mm dia. etc.5 Bonna type pipes & fittings, sand bed, T, Y, anchor blocks 250mm to 2500mm dia. etc.6 Plastic pipes PVC gravity network 110 mm to 410 mm dia. etc.7 Polythene pipes gravity Y, T reduction piece, cuts, sleeves, leak test etc.8 Plastic pipes pressure network 110 mm to 410 mm sand bed etc.9 PVC pipes heavy duty 110 mm to 410 mm send bed etc.10 Polythene pipes pressure Y, T reduction piece, cuts, sleeves, leak test etc.11 Cast iron cement lined pipes gravity etc.12 RTRP pipes pressure + gravity 100 to 800 mm etc.

Following activities are typically involved to carry out underground piping system etc.1 Ensure no underground existing services exist in area concerned.2 Setting out alignment of proposed route according to survey details.3 Providing safety control barriers on both sides of excavation, allowing enough clearance for

excavator & truck to work without hindrance.4 After approval of setting out, excavate set out portion as trenching & continue up to design

depth according to formation level of pipe bedding, following approved excavation procedures.

5 Pipes & fittings shall be stacked properly on both sides of trench according to manufacturer’s instruction.

6 Prepare bedding formation to design levels & longitudinal profile specifically, for gravity system.

7 Surveyor shall monitor levels throughout 8 QC inspection shall be conducted to check bedding



Execution Plan Project Implementation 9 Bed shall be filled with sand up to pipe external surface level.10 Proper arrangement shall be made to down take pipes. 11 After down taking pipes, fittings to trench bed & placing roughly into set out alignment,

surveyor shall give exact alignment of route. 12 After route has been aligned truly & fittings included, counter weight using sand on pipe

surround shall be applied temporarily, to avoid pipe uplift during pressure testing or mechanical anchors employed depending upon dia. of pipe & quantum of water pressure.

13 All joints shall be connected or filled according to specifications.14 Wherever specified for steel flanges, bolting shall be carried out15 Wherever specified for plastic or p v c pipes, push fit system of jointing shall be applied16 Wherever specified for plastic pipes, joints shall be glued using tangit17 Wherever indicated to anchor bend etc. at turning using thrust block, block shall be

constructed of concrete to resist, resultant pressure during pressurizing.18 Wherever specified for concrete or RCC pipes, special jointing material shall be applied to

meet requirement.19 Wherever required to use cut pipes to complete length, pipes either Bonna or carbon steel or

concrete or other make, pipe shall be cut to actual length required.20 After all jointing activity has been completed in relevant section, pressure testing shall be

conducted for ready portion, with application of required bar pressure. 21 Risers of pipes shall be installed on both ends of pipe line, filled with water under pressure,

which pressure shall continue for specified period 24 to 72 hours during which, observations of water levels falling & leak detection should be conducted & recorded.

22 Wherever leak is detected in certain part, that pipe part shall be removed & re installed following test repeated, all according to approved ITPs

23 After test has been successful, pipe service marker shall be placed for identification purpose with granular material filled on pipe & its surround, so that at least 200 mm layer is established on crown of pipe.

24 Fill shall be compacted lightly. 25 Later from this level to ground, granular fill material shall be used to backfill remaining

section, duly compacted in layers, all according to approved procedures.

Epoxy grouting to vibrating machine bases Typical1 Thin section-A gap between a base plate and substrate below 25 mm2 Thick section-A gap between a base plate and substrate above 80mm3 Normal thickness-In between thin and thick sections

Following activities are involved for normal thickness Surface preparation 1 Metal parts that should not be bonded to grout like jack screws of reciprocating machinery

and part of foundation bolts shall be sealed with tape prior to grouting. 2 Base plates and equipment bases shall be uniformly, supported in order to eliminate sag,

distortion and leveled, using both anchor bolts and jackscrews. 3 Stainless steel shims 50x50x10 mm thick shall be placed in correct locations covered with

mortar, so as to allow at least 50 mm grout cover on shim sides. 4 Full extent of foundation surface under base plate or equipment to be grouted shall be

chipped/scabbled & brushed to remove weak upper layer of concrete/oil soaked concrete areas prior to installation of equipment base plate.

5 Base plate surfaces in contact with epoxy grout shall be grit blasted, so as to expose white metal.

6 All surfaces and bolt pockets to receive grout must be clean & free of rust, oil, dirt, paint



Execution Plan Project Implementation and residual curing compound.

7 All base plate holding down bolts etc. must be free of rust, oil, dirt or contaminants that could impair bond

Formwork 1 Unless otherwise shown on design drawing, entire area under base plate shall be grouted

and forms fixed around plate, keeping a minimum of 25 mm clearance from plate edge and at least 50 mm from edge of pouring side, so that total grout able area is equal to underside of plate and clearance around plate.

2 Before formwork is fixed, it shall be ensured that foundation area to be grouted and bolts holes are clean

3 A liquid tight formwork as would be practicable, shall be fixed around base plate to prevent leakage of resin, keeping top of forms 25mm above underside of base plate

4 A chamfer 25mm x 25mm shall be provided on sides, so that top of chamfer and top of grout are in one level, in case whole of foundation area around plate is to be grouted,

5 A 45 degree sloping surface above form on pouring side shall be constructed to create a pressure head, to enable grout material flow to cover full width of pour.

6 A coating of an approved release agent shall be applied to formwork. 7 QC inspection shall be conducted to ascertain form profile and general preparatory works

Grouting application1 All dirt and debris shall be removed from formwork using compressed air 2 Sufficient grout material to completely fill prepared area in a continuous process shall be

made available 3 Mixing equipment shall be demonstrated to be in a suitable as well as, in good working

condition. 4 A stand by equipment shall also, be made available 5 Concrete surfaces to be grouted shall be made completely, dry before grouting 6 Mixing base and reactor components shall be poured into a suitable vessel and mixing

carried out for 1 minute or until successfully blended. 7 All required quantity of aggregate shall be added to mixing vessel, which is to be kept

turning and mixing continued, until a uniform lump free consistency is achieved. 8 Over mixing shall be avoided to prevent air entrainment

Placing1 All bolt pockets shall be filled with grout, prior to pouring rest of under plate space as a

separate operation to prevent voids formation 2 Pouring of grout shall start from one end of base plate and continued, until material reaches

far side. 3 Mixed grout shall be steadily poured down formwork slope to avoid air entrapment. 4 Pouring shall be carried out, only from one side of base plate to avoid creation of voids and

reduction of effective bearing area 5 When grout reaches far side of formwork, which shall be ensured by poured material rising

above bottom of base plate, pouring location has to move along length of base plate keeping process continued, until whole area is completed.

6 QC inspection shall be conducted throughout above operations to ascertain proper implementation of procedures according to manufacturer’s instructions.

Shoulders1 Exposed surfaces shall be brushed with solvent # 2 just before or as grout gels




Curing 1 No curing is required

As built drawings 1 As built drawings serve purpose of telling user about building records that should be used

for purpose of maintenance/or for whatever purpose possible. 2 It is therefore, an important & significant part of documentation as well as, also, a

contractual obligation on part of contractor, which should be affected smoothly & regularly throughout duration of project.

3 Should there be no change on released for construction drawings i.e. construction has been carried out all in accordance with approved documents provisions, there shall be no purpose of as built drawings.

4 But in practice, to produce physical structures, some changes are imminent due to arising new requirement, applicable changes, change effects of disciplinary interfaces to bring work to proper use functions etc.

5 During whole currency of contract, it should be made an endeavour of contractor that all engineering changes are recorded on contract documents as red lines mark up & issued to client for approval.

6 These red lines mark up shall form basis of producing all as built documents on project. 7 It is not drawings only, that are to be recorded, but also, all changes whatsoever for all

documents on record. 8 All these as built shall form part of hand over dossiers. 9 Should as built records be maintained regularly, relevant part of dossiers shall be

comfortably produced10 Site design engineers shall keep an eye on change activity & record them regularly, as red

line mark up with further process such documentation to fulfil contractual obligation to such extent possible.

11 It is expected of site engineers, design engineers as well as, land surveyors to coordinate on site to comply with this obligation efficiently.

12 All survey changes or variations shall also, be recorded on drawings based on pre pour & post pour records obtained from survey section.

13 Surveyor shall present all such changes on corresponding documents to be recorded as red line mark ups.

14 Following paragraphs management procedures have been included just for purpose of information, as already covered within new buildings package inspection & test plans

15 All necessary inspection & test plans shall be originated by quality engineer in collaboration with engineering in head office & engineering on site team.

16 These ITPs formats shall be issued for client approval according to procedures laid down on project quality plan.

17 Production of all these documents shall be responsibility of contractor quality manager/engineer.

18 Complete details about quality management system have been included on respective quality procedures document.

19 Generally, ITPs for all disciplinary activities shall be produced for client approval from site office in due course.

20 All defined tests shall be conducted by client approved laboratory located on site. 21 Pertinent all those other items, tests shall be conducted by other client’s nominated

laboratory respecting which, facilities are not available on site. 22 Details of such plans shall be submitted separately.



Execution Plan Project Implementation 23 Every ITP shall be allotted a document number along with a numbered checklist. 24 Check list shall form basis of inspection requirements.

Sample OnlyWater Transmission Scheme

Water ReservoirScope/Purpose1 Purpose of this document is to define construction procedures to be adopted for prosecution

of typical reservoirs. 2 Four number reservoirs are to be built at one location. 3 This statement is meant only for general description of procedures for various operations

involved. 4 Other detailed typical statements shall be produced during real execution of works for each

activity, as standard procedures applicable to project. Project duration is 20 months. 5 Sketch referred to is only for indicative purpose without any authenticity. 6 Quantities mentioned are also, just to explain method.7 Period for tanks construction considered 14 months (60 weeks). 8 Two tanks to be constructed simultaneously. 9 Safety & quality procedures to be defined separately on individual basis

Reference Documents 1 Drawings 2 Reference Attached from Vendor’s Formwork (to be included with actual statement)3 G A Walls & Columns Top 50 systems 4 Formwork D 2 Tables5 Specification For Concrete-Reference to be indicated6 Specification For Concrete Reservoirs-Reference to be indicated7 Attachment drawing is just for indicative information. It should be a part of contract

drawings

Design1 Prior to construction of reservoir, all proposed forms shall be designed to meet final

requirement & calculations with drawings submitted for approval. 2 Construction execution of reservoir RCC structures shall be carried out based on AFC

drawings.

Existing services1 Records shall be checked for possibilities of certain running service. 2 Existing services so located shall be informed to relevant authorities as well as, company

for necessary actions. 3 Trial pits shall also, be excavated to scan whether or not, certain service exists.

Supervision & Control1 Construction manager, Site engineer, construction foreman & charge hands shall control all

activities on site according to relevant job descriptions included on project plan.

Survey Controls1 According to AFC drawings, surveying team shall locate setting out lines, coordinates as

well as, surrounding circulation area for construction purpose.



Execution Plan Project Implementation 2 Since, dimension of built up main reservoir are given around 130 M x 100 M, proper

arrangement shall be made to carry out mass excavation works.3 Topographical levels shall be recorded. 4 Site shall be graded to required ground level. All survey documents shall be prepared for

purpose of verification. 5 Around area, guide barricades shall be erected for purpose of locating grids & reference site

levels. 6 Benchmarks shall be established on all corners for purpose of flying and reestablishing all

working locations. 7 Establishment of base corners points as well as, base level benchmark shall be conducted by

licensed land surveyor, whose documents submitted to engineer for approvals & records references.

Safety1 All safety measures shall be taken according to excavation requirement. 2 Warning tapes/ Safety cones shall be provided around defined working area. 3 All safety signboards meant for excavation safety shall be provided. 4 Warning night lights reflectors shall be provided around. 5 Ladders shall be provided for access into working area located not more than 8 m spacing.6 Pouring platform for people/personnel to work safely shall be constructed. 7 For convenient access of heavy equipment into formation area, ramps shall be provided

from existing or graded level from 2 opposite ends. 8 If so required, dewatering arrangements shall be carried out continuously, until foundation

slab is constructed. 9 Toolbox talks shall be imparted daily for all important operations involved. 10 A safety officer shall inspect works everyday during all concreting activities, form erection

activities etc.

MaterialsConcrete source1 Ready mix concrete from an approved supplier shall be used.

Rebar fabrication1 Reinforcing bars shall be fabricated on steel yard located elsewhere on site.2 All fabricated bars shall be tagged according to BBS (Bar Bending Schedule) references

Form fabrication1 Fabrication of plywood forms shall be carried out on site based on specialist formwork

vendor details. 2 Supporting system shall be provided by form vendor based on detailed design approved by

engineer. 3 On site, form works shall be erected according to complying with vendor drawings.4 Scope of vendor formwork system shall be confined to retaining walls, baffle walls,

columns, flat slab.

Procedures/Method for one reservoir construction (sketch # 29/30 indicatively)

Summary of activities1 General activities prior to structural construction2 300 mm compacted granular sub base laying on all areas



Execution Plan Project Implementation 3 75 mm concrete blinding laying on required area4 layers bituminous membrane application for concrete protection below ground5 50 mm screed to be laid for protecting protection membrane

Structural construction activities1 RCC Elements involved-2 Periphery retaining walls, Base slab, baffle walls, columns with heads, suspended slab, all

components pertinent to inlet & outlet chambers, components of overflow chambers Intermediate suspended slabs & walls, sump elements.

3 Box outs, construction joints, expansion joints, stair structure, Roof up stands

General activities post structural construction1 Filling PVC pipes inserts within walls with approved propriety material.2 Fixing of Manholes covers & frames on roof.3 Roofing & waterproofing standard approved system4 Roof handrails5 External Walls pattern formation.6 1200 mm wide interlocking paving around reservoir construction.

Detailed activities prior to structural constructionExcavation & Sub Grade1 After clearance from engineer, excavation shall be started using heavy equipments

removing excavated material from location, loading excavated material directly into truck & transporting to tip off stock piles or in case material not to be used for filling back purpose, to a designated dumping area.

2 During excavation, dust control measures shall be carried out by conventional means. 3 Excavation shall be carried out approximately, to formation sub grade level only, all

according complying with profile shown on approved drawings. 4 Land Surveyor shall control levels to avoid over excavation. 5 Excavated formation shall be dressed manually as well as, using light rollers & after

formation profile is established, heavy rolling shall be carried out over entire are to reach field compaction to 95 % of dry density.

6 Field compaction test shall be conducted complying to standards & specification requirements. Quality Engineer shall inspect profile for clearance & approval

300 mm thick compacted granular sub base1 1st layer of sub base shall be laid in 200mm thickness to achieve 150 mm compacted, so that

after rolling, compacted thickness in both courses is 300 both courses.2 Thereafter, 2nd course construction shall be carried out. 3 Top profile of sub base shall be given according to details, which indicates a fall 1 in 500. 4 Site samples testing shall be conducted from both layers in conformance to specification

requirement for granular sub base, spread over entire area in 2 layers.

75 mm thick concrete blinding & mass concrete to requirement1 Blinding shall be done in stages parallel to width of reservoir. 2 Whole blinding shall be divided into 6 to 8 bays each 20/25m wide & 100 m long. 3 One stage quantifies to about 200 cum, which is feasible for a convenient casting. 4 If so required, further formation of baying compartments could be established within each

bay for alternative laying. 5 Low profile strip formwork for controlling sides shall be prepared & fixed.



Execution Plan Project Implementation 6 A concrete laying team shall be grouped for purpose, such that concrete received from

transit mixer is immediately, pumped into location & spread using teeth shovel/garden racks, to strip profile level.

7 Proper leveling shall be carried out using wooden float edge by masons. 8 Whole area shall be laid, profiled to true levels & given wooden float after concrete is ready

to receive float. 9 Polythene sheet shall be spread over entire area. 10 Curing shall be carried out for 3 days only. 11 Before laying new concrete at set edge of previous blinding at edge, cement slurry shall be

applied to edge, so that new & old concrete is properly bonded. 12 Mass concrete shall be carried out as shown on approved contract drawings

2 layers bituminous membrane1 At end of curing, surface shall be cleaned of all dust particles, debris, water etc & inspected. 2 All cracks appearing or certain damaged portion located shall be repaired. 3 According to manufacturer’s instruction, bituminous membrane shall be applied over blinded

surface.

50 mm thick screed1 Membrane shall be protected by an application of 50 mm screed layer as soon as, possible &

cured accordingly by repetition of foregoing activities in sequence, but in alternate bays.

Construction of peripheral retaining walls- major elements1 Preparatory works for one corner L shape – 1 set, 4 stages in repetition(Ref to attached drawing GA walls from vendor)2 Preparatory works for straight walls – 1 set 35 m long, 1 set 30 m long 3 repetitions each(Ref to attached drawing GA walls from vendor)3 These elements comprise of base slab, shear key & upright RCC structures shear keys not

indicated on sketch but, may be required

Preparatory works for base slab- non propriety formwork1 26 x 20=520 repetitions of each bay2 Each bay comprises of 4 sides as indicated on typical square on sketch3 Site fabricated forms to be used. 4 Bar sides to be prepared for construction joints in horizontal position.5 Fabrication of construction joint water bars to be fabricated.6 Arrangements of reinforcing bars to be made to pass through vertical forms correctly

Preparatory works for columns- propriety formwork1 25x19=475 columns 85 sets, 5/6 repetitions each2 Each column comprises of 4 sides3 Site fabricated forms shall be used to standard designs/or in compliance to vendor’s designs

as suitable(Ref to attached drawing Column top 50 from vendor)

Preparatory works for baffle walls- propriety formwork1 sets, 4 repetitions

Refer to attached sketch & other contract drawings2 Both sides of each wall shall be prepared for forms either from vendor or by site fabrication




Preparatory works for inlet / outlet chamber as well as, overflow1 1 set, 2 repetitions2 These comprise of excavation, soil improvement, blinding, concrete protection membrane,

screed cover, foundation beams, stubs columns, walls, grade slab, sump walls, base slab, walls, columns, cantilever slabs, suspended slabs including external suspended slabs for connection, stairs, railing, roofing, concrete protection above ground, backfill, external paving etc. all.

Preparatory works for suspended slab - propriety formwork1 1 set, 2 repetitions Flat slab construction(Ref to attached drawing …. Tables from vendor)

L shape walls @ corners of reservoir1 Setting out for each L shape wall at corner shall be carried out on screed for base slab (Toe

+ Heel) portion. 2 Reinforcing bars shall be placed according to details provided with supported on due

spacers. 3 Chairs shall be provided between top & bottom rebar layers. 4 At end of everyday work, polythene membrane shall be spread over, placed & fixed on

reinforcing bars for protection from humidity. 5 Vertical forms shall be prepared at site using plywood & wooden battens, all in line

approved methods. 6 Arrangement for construction joint shall be made for insertion of approved water bar, so

that lower half of bar is inserted in retaining wall base slab concrete. 7 Retaining wall base slab shall be continuous without any joint. 8 It shall be ensured that set lines of forms are in true alignment & plumb. 9 All vertical sides shall be well supported, so that 1 m high concrete pressure is sustained by

supporting system adequately, without concrete bulging.

After clearance by site engineer, QC inspection shall be conducted & engineer’s approval obtained for pouring concrete.

1 About 600 cum of pour in this programme that may take about 16 hours. 2 Pouring shall be done in 3 layers, so that cold joint is avoided. 3 Two pumps shall be used for this pour. 4 Concrete delivery shall be continuous. 5 Portion of green concrete at wall junction shall be roughened, before concrete is hardened. 6 Exposed portion of concrete shall be properly finished to defined levels & immediate/

instant as well as, specified duration curing be continuously carried out. 7 Following preparatory works for upper wall portion shall be continued.

Upright wall1 Scaffolding shall be erected on both sides for accessing workers to fix reinforcing bars &

erect formworks for upright wall. 2 Reinforcing bars shall be placed properly in compliance with design details & engineers

approval obtained prior to closure of forms. 3 At end of everyday work, polythene membrane shall be spread over placed & fixed

reinforcing bars for protection from humidity. 4 According to formwork vendor’s design, sides of forms shall be erected & fixed.



Execution Plan Project Implementation 5 It shall be ensured that erected forms are in true alignment & plumb as well as, outer wall

forms complied truly to designed profile. 6 Anchoring arrangements sleeved in, for tie bolts shall be fastened properly. 7 All supports as shown on details shall be provided. 8 A platform shall be built on top for workers safe access & safe working. 9 Water bar shall be inserted in all vertical positions duly welded, using cross as well as, Tees

wherever, required. 10 Permanent bars shall also, be inserted as shown on vendor’s design. 11 Outer forms shall be checked for correctness of its compliance with design profile, while

vertical forms for verticality as we as, alignment. 12 QC inspection shall be conducted & engineer’s approval obtained.13 Programme shall be charted out for pouring about 250 cum in one go. 14 Concrete pouring chute pipe shall be inserted vertically, into prepared works, so that net

drop of concrete is not more than 2 m. 15 Pour shall be carried out in layers not exceeding 450 mm, so that vibrator nozzle penetrates

internally. 16 This pour shall consume about 10 hours. 17 At end of pour, top surface shall be properly floated & either curing compound instantly

sprayed or poured covered with polythene sheet. 18 Side supports shall be struck only after 48 hours.

Base Slab bay/ Floor slabs1 Size of bay is 5 m x 5 m, 500 mm thick i.e. 12.5 cum, means total number 26x20=520 bays.2 Preparation for 50 bays shall be done in one go i.e. 600 CUM pour. 3 Construction joints to be prepared around to detail requirement. 4 Preparation of forms to be carried out around in general, keeping in view that it allows for

continuation of reinforcing bars and also, insertion of water bar. 5 At end of everyday work, polythene membrane shall be spread over placed & fixed

reinforcing bars for protection from humidity. 6 Rebar placement to be done continuously to details.7 Reinforcing bars for starter bars shall be placed for baffle walls in correct positions, wherever

defined

8 Reinforcing bars for starter bars shall be placed for columns in correct positions, wherever defined

9 Provision of surface water strip shall be made according to details. 10 Provision of rebar chairs for top & bottom reinforcing bars supports shall be made. 11 Proper placement of concrete spacers shall be made. 12 All bars shall be properly bound to avoid some kind of slip or dislocation, even though,

steel fixers shall be available to attend pour to control intact bars positions. 13 Formwork carpenters shall also, be available to control alignment & levels. 14 Two concrete pouring pumps shall be used for pour for 18/20 hours programme.15 Immediately, after finishing of top surface to defined profile, instant curing shall be carried

out. 16 After concrete is set, curing shall be carried out as approved. 17 Repetition of bays shall be done accordingly, to complete all 520 bays. Side supports shall

be struck only after 24 hours.

Straight walls 1 Base Slab preparatory works shall be carried out similarly, as indicated in foregoing L

shape pattern excepting that forms are straight.



Execution Plan Project Implementation 2 Upright wall3 Each pour is about 120 cum, in which case also, scaffolding shall be erected for accessing

workers to fix reinforcing bars & erect formworks for upright wall.4 Reinforcing bars shall be placed properly in compliance with design details & engineers


reinforcing bars for protection from humidity. 6 According to formwork vendor’s design, sides of forms shall be fixed. 7 It shall be ensured that erected forms are in true alignment, profile & plumb. 8 Tie rods sleeved in shall be fastened properly. 9 All supports as shown on details shall be provided. 10 A platform shall be built on top for workers safe access & safe working. 11 Water bar shall be inserted in all vertical positions duly welded, using cross as well as, Tees

wherever required. 12 Permanent bars shall also, be inserted as shown on vendor’s design. 13 QC inspection shall be conducted & engineer’s approval obtained. 14 Programme shall be charted out for pouring this quantity in one go. 15 Concrete pouring chute pipe shall be inserted into form, so that net drop of concrete is not

more than 2 m. 16 Pour shall be carried out in layers not exceeding 450 mm, so that vibrator nozzles penetrate

internally. 17 This pour shall consume about 5/6 hours. 18 At end of pour, top surface shall be properly wooden floated followed by, either curing

compound instantly sprayed or covered with polythene sheet. 19 Side supports shall be struck only after 48 hours.

Columns 1 About 100 cum in one go for 50 columns. 2 In this case also, scaffolding shall be erected for accessing preparatory workers to fix

reinforcing bars & erect formworks. 3 Reinforcing bars shall be placed properly in compliance with design details & engineers


reinforcing bars for protection from humidity. 5 According to formwork vendor’s design, sides of forms shall be fixed. 6 It shall be ensured that erected forms are in true alignment & plumb. 7 Fixing arrangements shall be fastened properly. 8 All supports as shown on details shall be provided. 9 A platform shall be built on top for workers safe access & safe working to allow for

comfortable & safe circulatory movement for crew.10 QC inspection shall be conducted & engineer’s approval obtained. 11 Programme shall be charted out for pouring about 100 cum in one go. 12 Concrete pouring chute pipe shall be inserted into form so that net drop of concrete is not

more than 2 m. 13 Pour shall be carried out in layers not exceeding 450 mm, so that vibrator nozzle penetrates

internally. 14 This pour shall consume about 8/10 hours. 15 At end of pour, top surface shall be properly finished rough, covered with saturated Hessian

& polythene sheet. 16 Continuous curing shall be conducted thereafter.



Execution Plan Project Implementation 17 Side supports shall be struck only after 48 hours.

Baffle walls 1 Each pour is about 80 cum, in this case also, scaffolding shall be erected for accessing

workers to fix reinforcing bars & erect formworks for upright wall.2 Reinforcing bars shall be placed properly, in compliance with design details & engineers


reinforcing bars for protection from humidity. 4 According to formwork vendor’s design, sides of forms shall be fixed. 5 It shall be ensured that erected forms are in true alignment & plumb. 6 Fixing arrangements shall be fastened properly. 7 All supports as shown on details shall be provided. 8 A platform shall be built on top for workers safe access/working to allow for comfortable &

safe circulatory movement for crew. 9 QC inspection shall be conducted & engineer’s approval obtained. 10 Programme shall be charted out for pouring about 80 cum in one go. 11 Concrete pouring chute pipe shall be inserted into form, so that net drop of concrete is not

more than 2 m. 12 Pour shall be carried out in layers not exceeding 450 mm, so that vibrator nozzle penetrates

internally. 13 This pour shall consume about 5 hours. 14 At end of pour, top surface shall be properly wood floated & either curing compound

instantly, sprayed or covered with polythene sheet. 15 Side supports shall be struck only after 48 hours.

Inlet chamber1 Base slab of this chamber is at a lower level & 1 m thick. 2 It also, has walls & intermediate cantilever structure to be connected to roof suspended slab. 3 This shall be separately carried out in two stages.

Outlet chamber1 This has a basement sump in stepped profile. 2 Base slab of this chamber is at a lower level & 1.2 m thick. 3 It also, has grade level suspended slab. 4 This shall be separately carried out in three stages.

Access stairs to roof 2 numbers1 These stair structures are to be constructed on 3 columns on isolated footings.2 Columns have to carry cantilevered steps & one landing3 Stages4 Construction of footings shall be carried out comprehensively according to conventional

trade practices. 5 Construction of columns shall be carried out comprehensively according to conventional

trade practices. 6 Construction of waist slab & steps shall be carried out comprehensively according to

conventional trade practices. 7 Preparatory works shall be similar to as defined in foregoing excavation, blinding,

formwork, steel fixing, pouring etc. 8 All works shall be carried out comprehensively according to conventional trade practices




Suspended Slab 1 Half portion in one go about 1800/2000 cum. 2 This is a flat structure transferring loads on column heads. In one go, half portion of slab is

intended to be poured as shown on drawing. 3 Arrangement of supporting system shall be strictly adhered to vendor’s instructions as

shown on attached vendor’s drawing. 4 Preparation & erection of forms shall be done following all approved details. 5 Rebar placement shall be done to details & spacers provided accordingly. 6 At end of everyday work, polythene membrane shall be spread over placed & fixed

reinforcing bars for protection from humidity. 7 Location of movement joints shall be prepared, so that 50 mm thick joint filler is fixed in

position correctly as well as, supported to remain so intact during concrete pouring. 8 Forms for up stands shall also, be erected for monolithic pour requirement with slab

concrete, for which fixing arrangements should be made accordingly. 9 All block outs for openings shall be prepared to defined locations & properly anchored to

remain in position.

Following quality checks shall be conducted prior to pouring is commencedSlab alignment 1 Levels2 Profile of column head / drop heads3 Alignment of up stands & verticality4 Re-bars placement as well as, locations & centering5 Proper fixing of concrete spacers6 All inserts or services fixes if so required, shall be placed in & approved.7 It shall be ensured that no rebar is susceptible to any possible displacement any time.8 Certain possibility to correction must exist during pour, in case displacement appears.9 Certification of supporting system by form system vendor engineer10 All access routes shall be properly tagged & certified by safety officer.11 During concrete delivery, slump, temperature, air voids tests etc shall be recorded.

Notes for requirements1 For pour, minimum 2 pumps shall be required for continuous placement of concrete, with 1

pump to remain standby. 2 Keeping a speed of 10 minutes for each truck, 60 cum each hour, 2 pumps shall pour

prepared portion in 10 hours followed by another overlapping 10 hours required for wooden finishing of unformed surface.

3 Instant curing shall be carried out by spraying curing compound over area to control shrinkage cracks.

4 Later, after final profile & finishing surface, polythene layer shall be spread over saturated hessian to keep wet for at least 10 days continuously.

5 Striking of forms shall be carried out only after 8 days. 6 Whole exercise shall be repeated for second half of slab.

Concrete Pour Location of Equipment1 Since, size of reservoir is considerable, making it difficult to pour concrete either at base

slab or at suspended slab conveniently, large boom length concrete pumps shall be utilized. 2 Locations to station pumps shall be decided judiciously onsite.



Execution Plan Project Implementation 3 Adequate arrangement shall be made to control pump swings & delivering concrete to

locations on base slab & suspended slab.4 Pumps shall be required to be located on all sides requiring relevant arrangements.5 Tower cranes may preferably, be utilized for easy access to central points on area. 6 Tower cranes stationed on all sides, could be utilized to assist smooth & efficient shifting of

preparatory materials to locations.7 Mobile cranes also, could be in second preference, be utilized provided these are available

having required boom length at optimum cost.

Reservoir testing1 Structure when completed, according to BS 8007 provisions, water tightness test shall be

conducted to check any leakage. 2 After closing all openings, water shall be filled gradually to required level. 3 Fall in water level shall be monitored regularly at defined intervals according to code

provisions. 4 Loss of water should be within prescribed limits5 During filling of water, filling depth shall not exceed 1 m in a day. 6 Water shall be left for one week or as indicated by specification for absorption &

autogenous healing/restitution. 7 Water loss monitoring shall start only when tank is full to maximum water level &

restitution period is completed.8 Though not necessary in this case since water is in cover, for comparison of loss by

evaporation, a separate small container shall be kept, which indicate loss in level due to weather & fall of reservoir level corrected accordingly to reach net loss in level.

9 After successful completion of water test, water used for test shall be pumped out to other reservoir for testing in sequence.

10 Whatever leakage or defects observed, shall be charted out with engineer regarding repairs or injections &if so required, retesting could be conducted.

Roofing1 After curing is completed, whole surface shall be scabbled properly to expose aggregate to

meet bonding requirement of foam concreting. 2 Surface shall be prepared & all services plinth required be constructed to details. 3 True profile required for drainage shall be prepared for foam concrete over entire area.4 Foam concrete shall be produced on site & laid by specialist roofing subcontractor. 5 All other roofing operations shall be carried out in line / accordingly to procedures defined

on approved method statement. 6 Roof waterproofing shall be tested by flooding with water for 48 hours. 7 Leak detected shall be made good according to agreed procedures.

Other General activities1 Roof handrails shall be fixed to required locations. 2 Adequate arrangements shall be made to keep internal space of reservoir well ventilated

during performing application of concrete protections. 3 All other activities about concrete protection shall be carried out for above ground concrete

on inner as well as, on external surfaces. 4 All operations of backfilling of walls up to formation levels shall be carried out according to

standard approved methods & field samples tested accordingly. 5 Preparation of walkways around shall be carried out for receiving interlocking blocks. 6 Compaction shall be done for formation of walkway area.



Execution Plan Project Implementation 7 Works for kerbstone shall be carried out. 8 Laying interlocking blocks shall be carried out to given profile & levels.

Equipment1 Shovel, Excavator, tipper trucks, Roller, Compactor, Tower crane, Mobile crane, Concrete

pumps, Truck mixers as & whenever required, concrete vibrators, centrifugal pumps to boost out water from reservoir etc

Attachment1 Sketches & formwork drawings (not included herewith)
