sample project specs

7/23/2019 Sample Project Specs

1/30

GeneralSpecification &Conditions ForPROPOSED WAREHOUSE Plot no 3690577 Al Quoz Ind. 4

OrchidEngineering Consultants Tel. (00971) 04 3580444 Fax. (00971) 04 3580404

1

ArchitectStructuralPlannersProject Manager

Tel. (00971) 04 2207760 Fax. (00971) 04 2207762

P.O. box. 126664 Email. orchidconsultants @hotmail.com

General Specification & ConditionsPrj. # DXB/63/0809

VOL-I

Owner : Ms. Ali Khalifa Abdullah Saif

Project : PROPOSED WAREHOUSE

Built up area: 51188.68 Sq. ft

Plot number : 3690577

Location : Al Qouz ind. 4th

Dubai


2/30

GeneralSpecification &Conditions PROPOSED WAREHOUSE Plot no 3690577 Al Quoz Ind. 4

ORCHIDEngineering Consultants Tel. (00971) 04 2207760 Fax. (00971) 04 2207762

2

Contents

- Instructions to tenders

- Specification

1 Earth work & excavation

2 Concrete work

3 Block work4 Plaster

5 Finishes

6 Water proofing

7 Aluminum work8 Provisional sums

- Particular specifications for mechanical work

A Water supply system

B Drainage / plumping work

- Fire Fighting & Fire alarm systems

- Electrical worksparticular specification

- Instructions tenders

- Preambles


3/30



3

INSTRUCTIONS TO TENDERS

NOTE:

* The Contractor shall submit B.O.Q. and total amount for the items mentioned under provisional

Sum before signing the Contract.

*Provisional sum for the steel structure is 2,800,000 dhs.* Contractor shall provide necessary attendance, accessories, wiring and sleeves for service pipes

And electrical power points for the same.

* The Owner reserves the right to select & supply provisional sums, P.C. rates

items & it will be deducted from the Contract price without any benefit to the

Contractor.. Profits and overhead can be inserted separately.1-1. The Contractors must submit the tender documents at their own expense and shall visit and

inspect the site of works and its surroundings before submitting their tenders.

1-2. The Contractors are reminded that this tender summary should be duly filled in and submitted

with the tender. The rates mentioned in the said tender summary shall be considered by the

parties in case of any variation, addition and / or omission of quantities for any of these or other

items than what is mentioned in the Contract Documents or the Contract Value.

1-3. The name of the Sub-Contractors if any with whom the contractor / second party intends to placeon sub-contract any portion of the work must be stated and approved by the Consultant before

signing the Agreement.

1-4. The first party will not be responsible for any expenses, which may be incurred by the contractor

in the preparation of the tender.

1-5.The first party does not bind himself to accept the lowest tender and reserves his right to rejectany or all tenders.

1.6 Contractor should not assume or mention any conditions which are not mentioned in the

specifications or not to exclude or change any of it.

1.7 The period allotted for this project shall be (12 ) months and (30) days mobilization Starting from

the date of demarcation or as instructed by the Engineer.

1-8. Penalty for any delay in the work by the Contractor shall be as follows:

Payable to the Owner : Dhs. 500 /- per day up to 10% of the Total Contract Value

Payable to the Consultant: Dhs. 300 /- per day

1-9. Building permit, Insurance and any other deposits / funds required to be paid by the Contractor.

Demolition of existing Structure shall be carried out by the Contractor to Consultants

Approval.

1-10.Soil Report To Be Done By Owner.

1-11. the mode of payment shall be monthly based on the percentage of work completed on the site

or as approved by consultant and the payment submitted by contractor should include the

following:

- Complete site progress report (including site photos).

- Cube test result for casted structure elements

1-12 The Consultant will issue payment Certificate to the Contractor on the basis of the percentage of

work completed and approved on site.

* No payment shall be made unless the Consultant issues a payment certificate.1.13 No allowance shall be made in the payment certificate for the cost of material on site.

1.14 The payment certificate will be issued or returned to contractor for correction, revision as directed

by the Engineer within 15 days of receiving contractors payment certificate..

1.15 The owner will make the payment within 15 days of issuing payment certificate by the

Engineer.,

1-16The advance payment shall be made against Security Check and shall be deducted from

contractors payment certificate in proportion to amount of work carried out on site.

1-1710% of each payment will be deducted and as performance retention.

1-18The completion certificate shall be issued to the contractor only after satisfactory testing of all

services like water supply, drainage, electricity, air-conditioning, lift etc.

1-19The contractor must submit in the manner as accepted by the Engineer calculations, sketches,

invoices, technical in formations.etc along with claimed variation and he is responsible for anydelay in decision by the Engineer due to the lack of the required in formations to provided by the

contractor..


4/30



4

1-205% of the retention amount will be released on issuing the substantial completion certificate by

the consultant upon all services are connected and satisfactory tested and commissioned, all required as

built drawings manuals of operation and certificate of warranties handed over to the Engineer approval

and all snags are attended.

1-215% (the remaining amount) of retention will be released at the end of maintenance period

(12 months +one month) and on the issuance of defects liability certificate.

1-22Drawing along with specifications are to be returned to the Consultant Office within two weeks of

handing over the project failing which a fine of Dhs. 500/- will be charged.The contractors are reminded that this is a lump sum turnkey contract and that they are

responsible to calculate their quantities and estimates

1-23Contractor to add any additional Item to B.O.Q not listed but required.

1-24All Items in B.O.Q to be priced separately failed to do so. Items not priced it deemed to beincluded somewhere else in the contractor offer.

1-25Contractor to add any additional Items to B.O.Q with quantities and rates as per drawings &

specifications not previously included to complete the build up of the lump sum tender price for the

respective section of the works should the tenderer fail to insert any items herein, it will deemed that

his lump sum price for the tender included all items necessary to make the Various System out lined in

the specifications and drawings and no subsequent claim for any additional item will be entertained.1-26Contractors responsibility to finish all works and approaches all Authorities concerned for

connection of services ahead time in order to have connection completed within the construction

period.

1-27Price reduction shall be made in respect of decrease of quality or value due to substitute of

materials and no price addition shall be made in respect of increase of quality or value of the accepted

and approved substitute materials.1-28Incase substitute materials is not accepted by the Engineer, the contractor shall be solely liable for

any delay or loss accessioned by his failure to provide the specified materials.

1-29The Engineer may not accept substitute materials and incase of different option of specified

materials. The Engineer has the right to select the option he feels is more suitable for works without

any objection b the contractor of any kind.

1-30If the delay penalties reach 10% of the effective contract price (which means contractor price less

provisional and contingencies). The employer has the right to take over the project and complete the

project and to charge any extra cost to the contractor in addition to 10% penalty until all works are

completed.1-31Contractor to follow and consider in his offer the complying with the latest rules and regulations

of the concerned authorities. On the time of signing the contract.

1-32The Engineer has the right to demand copy of the contracts between contractor and the approved

subcontractors or suppliers for reference and record at any time.

1-33The contractor fail to pay the approved subcontractors/ suppliers their dues as per contract

between them in spite that dues received from the employer, then the Employer and the Engineer has

the right to stop the contractor payment or deduct from the contractor payment the amount due to the

subcontractor/ suppliers without any objection of the contractor of any kind.1-34Contractor shall seek the Engineer prior consent and permit for working beyond official working

hours

8:00 AM2:0 PM and 3:00 PM6:00 PM

Contractor shall provide transportation to and from the site.

1-35The Engineers representatives shall be present at all major works and all concreting programs,Engineers representatives and holidaysavailability is a most and especially after official working

hours and holidays. The contractor shall be paid 200 Dhs/ h for the Engineer

1-36Contractor to delete Items inserted in B.O.Q may not require.

1-37Any discount made by the contractor to the tender price should not be applicable on provisional

sums or Prime cost items unless agreed other wise by the Employer/ Engineer.

1-38Contractor is responsible to submit co-ordination drawings for engineersapprovals incorporatingall services over ceiling level (Architecture and MEP)

1-39Contractor how is awarded the work shall pay 2.00% of total cost as tender fee to the consultant

even if the owner introduces or recommends contractor to the consultant.


5/30



5

Specification

1- Earthwork & Excavation

1.1- Contractor to visit and inspect the site and to allow in his tender price for normal anyobstructions may interfere with the excavation.

1.2- Contractor to liaison with the local authorities for protecting diverting or shifting of existingservices without any claim or fees to contractor.

1.3- Contractor to allow removal all surplus o unsuitable materials resulting from excavation andexisting obstruction and the like and cart away to approved tip or as directed by the Engineer.

1.4- Site hoarding to be provided as per Engineer design and approval and DM regulations.1.5- Contractor to allow for protecting the site and excavating area and the adjacent properties and

existing services. Al to engineer approval.1.6- Back filling should be in layers not exceeding 300mm each, leveled, watered and compacted

to minimum M.D.D as specified.

1.7- Back filling material of granular road base to be laid under ground slab and paving block o f200mm thickness and minim. CBR of 80% leveled, watered and compacted to minim MDD as

specified.(not require)

1.8- All back fill materials the supplier and gradations to be approved by the Engineer, Contractorto allow for carrying out required tests as directed by the Engineer on his own cost.

1.9- Anti termite treatment above Foundation , plinth area , along the outside perimeter of theconstructions inside the plot (horizontal and vertical treatment) .

1.10- Soil under swimming pool to be compacted properly, then a layer of gravelar road base shouldbe applied and compacted also all to approval of engineer , and two compaction tests to be

performed (one for the soil and one for the road base)all on contractor expense (not included

in swimming pool P.C. Sum)

1.11- Excavation and back filling to be measured in m3.1.12- Pest control shall be apply under Ground floor ( cost by main contactor )

2- Concrete Work

2.1- The latest revised edition of related BS standards, ASTM. Shall be followed for all concreteworks.

2.2- All concrete works should be of approved mix design and supplied by an approved ready mixbatch plant.

2.3- No hand mix of all concrete works is allowed.2.4- All materials used in concrete work should be approved and in compliance with relevant

standard and code of practice as well local authorities norms and manuals.

2.5- Steel reinforcement should be high yield deformed bars to BS 4461 grade 46 of minim.Strength of 460 N/ mm2

2.6- Concrete work to be carried out approved by weight batch plant.2.7- Sulphate resistant cement to be used for all substructures including plinth ground beam and

ground slab and all concrete element in direct contact with soil.

2.8- Ordinary Portland cement to be used for all super structure concrete works.

2.9- Minim. 6 No. of cubs or as directed by the Engineer to be taken for any concrete delivered tothe site, and to be tasted for strength at 7 and 28 days at approved laboratory.

2.10- Formwork for all concrete works should be new 18mm marine plywood, supporting system tobe approved by the Engineer and contractor to submit the required calculations.

2.11- Concrete price to include form work, steel reinforcement, curing, protection of castedmembers as directed by the Engineer, testing, poly then sheet 1000 gauge below plinth level.

2.12- Plain concrete with 20 N/mm2 strength (after 28days) using S.R.C for Blinding 10 cm thickunder reinforced Concrete footing

2.13- Reinforced concrete with 35 N/mm2 strength (after 28days) using S.R.C for all sub-structureelements

2.14- Reinforced concrete with 35 N/mm2 strength (after 28days) using O.P.C for all super-structureelements

2.15- Concrete works to be measured by m3 unless specified other wise.

2.16- All foundation, water tank and roof slab concrete mix design should contain RECRONchemical additive.


6/30



6

3- Block Work

3.1- All concrete blocks (hollow and solid) to be from approved mechanical factory toEngineer approval and as per DM local order 44/1990.

3.2- Block works in contact with soil to be solid blocks. Fixed by 1:3 S.R cement sand mortar.3.3- Block work to super structure to be fastened to concrete structure by approved

200x25x2mm G.1 holders fixed by gunshot at each third coarse of block.

3.4- All external block wall of the villas to be thermo block and as per the engineer approval3.5- Block around windows, doors and openings to be solid with steel reinforcement except

lintels and sills, which should be concrete.

3.6- Block walls area exceeding 14 M2 the to be braced by reinforced 20x20 cm stiffeners tiedto column as directed by the Engineer.

3.7- First coarse of block to compound wall and to concrete slab to be solid.3.8- All block work to be grouted, leveled and plum bed to Engineer approval.3.9- Rate for block work to include wastage. Fixing anchors, curing, lifting lath mesh as

required etc.

3.10- Concrete block to be measured by m2.

4plaster

4.1- Sand used for plaster to be screened natural block sand of approved source, additives,lime and dune sand can be added as appropriate as approved by the Engineer.

4.2- All surfaces to receive plaster should be prepared and remove any Irrigulaties to be rectifyperior to work.

4.3- The mix design of plaster to be approved by the Engineer.4.4- Pregalvanized mesh lathing of minim 1.6 Kg/m3, plaster stopper for internal and S.S for

external from approved make.

4.5- Pregalvanized still angle beads of 50 mm expanded metal for internal and stainless stillfor external of approved make.

4.6- Rate to include preparation surfaces, hacking concrete work, dashing leveling points,accessories as required by the Engineer, curingetc.

4.7- Plaster (1:3 mix, ) 15 mm thick for ceiling. And 20mm thick for walls4.8- Plaster to be measured by m2.

5finishes

5.1- Leveling sand under tiles not accepted, tiles to be laid on concrete screed and cementmortar.

5.2- All additives, grouting..etc. spacers for tiles to be approved by the Engineer .5.3- Interlocking tiles paving should be of approved color, shape and pattern laid on 50mm

crushed sand and compacted. measured in m2.

5.4- The Kerbstone works to include the P.CC, polythene sheet, concrete base, hunching, formworks joints with flexel sheet. All to Engineer approval and measured in RM.

5.5- Fixing of marble and natural granite should be to Engineer approval wet land dry fixing,groutetc measured in m2.5.6- All grooves at facad to be powder coated aluminuim chanel of approved colour by

engineer

5.7- Paint work to include preparation the surfaces, treating the cracks. Apply the paintsystem complete as per Engineer approval and the manufacturer instructions and as per

the following systems:

Texotile system for external surfaces( plastered wall or rendered block),will be Full epoxysystem to be followed:

i. 1X Penguard HBii. 1X Penguard Texo

iii. 2X Futura II

Oil paint system for external&internal and wooden surfaces, will be Alkyd oil paint system

to be followed:i. 1X Bengalac wood primer

ii. 2X Gardex Gloss/ Matt Enamel


7/30



7

Acrilic emulsion for internal surfaces will be High washable smooth finish system to befollowed:

i. 1X PVA Primerii. 2X Stucco

iii. 2X Fenomastic Silk /Matt Emulsion

5.8- False ceiling work to include for supply and fixing approved false ceiling system as per

drawing and B.O.Q including cut out and opening for services to include also painting asrequired, approved suspension system noting that:

i. Measure will be m2 and for bulk head RM up to 50 cm height.ii. Aluminuim strip false ceiling will be 200mm wide without groove

iii. Calcium silicate false ceiling tiles will be 9mm thickiv. Gypsum false ceiling will be 12mm thickv. Gypsum false ceiling tiles will be with aluminuim foil backside

vi. Aluminuim false ceiling tiles will be 0.7mm thick

6- water proofing

6.1- Wet areas water proofing will be liquid membrane reinforced with polerthene base

and applied rate to include treatment of surface cracks, primer, over laps.. etc. and to bemeasured in m2.

6.2- Roof water proofing will be APP modified 4 mm thick membrane reinforced with 200 g/ m2polyester of approved quality torch applied rate to include treatment of surface cracks,

primer, over laps.. etc. and to be measured in m2.6.3- Heat insulation board of extruded polystrene and 50 mm thick of approved, tightly laid

measured in m2 quality.

6.4- Tanking system to be of approved SBS non woven membrane of 4 mm thick reinforced with200 g/m2 polyester including 6 mm protection board as directed by the Engineer will be

applied in case that water table is higher than excavation level or lower than excavation level

with less than 1M

6.5- 2coats of cold applied rubber based bitumen will be applied in case that water table is lowerthan excavation level with more than 1M

7- Aluminum work

7.1- Supply, install, and maintain Electro statically powder coated aluminum door & windowsusing Gulf Extrusion Profiles color, mullion, transoms, sills, Lugs, weather-strip, fly screens

from inside, sealant, hardware, glazing strips, and glazing as per drawing, specification and

Eng. approval. Different color will be used to Architect choice & approval. Work to be

carried out by an approved subcontractor only.7.2- Sections 13009 &13010 and its supporting sections will be used for sliding windows

Sections 13023 &13024 and its supporting sections will be used for sliding doors

7.3- Coloured reflective tempered double glass 6 mm. (high performance reflected glass)

7.4- All bathrooms & W. C. window to be double glazing, 6mm reflective and 6mm sand plastedglass.

7.5- All handles, locks and all other accessories are subject to the choice of architect and approvalof engineer

7.6- All hinges used should be heavy duty as per the choice of architect and approval of engineer7.7- All Aluminum and glasswork to be tested against leakage by pressured water prior to take

over. Contractor to arrange for such test in presence of owner and Consultant. The system

must be perfectly sealed against leaking & whistling and resist wind pressure.

7.8- Contractor shall submit workshop drawings to the consultant approval before commencementto any aluminum work. All materials are to be submitted for approval by the engineer.

7.9- Balustrades and aluminum handrail should be provided as shown in the drawings. All need tobe rigidly connected; all ends needy capped to approval of engineer.


8/30



8

8. provisional sums

1- Provisional sum for sanitarywares is inclusive of mixers only but exclusive of : Bottle traps,

flexible hoses, angle valves, gate valves, .. etc . which to be supplied /installed by MEP sub-contractor2- Provisional sum of dish systemis exclusive of : conducting / J. Boxes, .. etc , and inclusive only of

dishes wires, sockets, stands, splitters etc .

Approved Civil Materials

SER.NO. Description Brand

1 Concrete Mix Approved Supplier2 Test laboratory Approved laboratory

3 Blocks Approved Supplier4 Interlock tiles Approved Supplier5 Kerbstone Approved Supplier6 Sand Approved Supplier7 Cement factory Approved Supplier

8 Polythene Sheet Kangaroo9 A.P.P. membrane Local

10 S.B.S. membrane Local

11 Lift pit waterproofing HD2 from Alzaid factory

12 rubber base bitumen Lavatex RBE13 Liquid membrane Rooftex14 Waterproofing mortar additive Integral liquid water proofer15 Steel reinforcement Qatar16 Joint Sealant Polysulphide-Emirate specialities17 Hold fast Expamet-Emirate specialities18 Plaster accessories Expamet-Emirate specialities19 Marble work Approved Supplier20 Mosaic Roof Tile Approved Supplier21 Ceramic Tiles Approved Supplier22 Tiles grout Rainbow23 Granite Tiles Approved Supplier24 Paint(external- internal) Jotun25 Stone Paint Trade house-Caparol26 Alum. Strip false ceiling Luxalun27 Gypsum tile + Board Boral(Australia)28 False ceiling suspension System Armstrong. U.S.A29 Alum. tiles Dampa

30 Wooden Door lock Approved Supplier

31 Hinges + Stoppers Acrimo32 Door Closer Dorma

33 Glass Ford- Belgium

34 Aluminum Gulf extrusion sections

35 Alum.Accessorries Savio-Geise

36 Alum. Door lock KafliGermany

37 Corner guard Ismat

38 Swimming pool Approved Sub-contractor

39 Glass block Solaris (Germany)

40 G.R.C. Terrazo

41 K.Cabinet Approved Sub-contractor

42 Ward-robes Approved Sub-contractor

43 Pest control Dursban 4TC


9/30



9

PARTICULAR SPECIFICATIONS FOR MECHANICAL

WORK

A:WATER SUPPLY SYSTEM

1-Ground and Roof Water Tanks

Roof & ground water tank capacity shall be as mentioned on drawings

Tank is to be guaranteed for 10 years from the date of installation.

2. Domestic Water Supply Pumps

In general either booster or transfer sets as shown in the tender drawing the pumps shall be

Horizontal multi-stage, centrifugal type complete with stainless steel impellers, shaft and casing.Each

pump shall be driven by totally enclosed, fan cooled, squirrel cage, star -delta electric motor with class

F insulation, IP54 protection suitable for 380V/50Hz power supply automatically controlled and

protected by approved control panel. Each pump suction/discharge line will incorporate a gate valve

plus quick closed spring actuated check valve (in discharge line only) .

Suction/discharge and manifold pips shall be made of hard copper to BS 2871 part 1 suitable for

working pressure of 10 bar .

a. Transfer Pump Set (on the ground ) :

2xhorizontal, multistage water pump (stand by/on duty)(Capacities as shown on the Tender

drawings).The pumps shall start /stop by means of pressure switch and complete with dry running

protection.The pump shall be located inside louvered penthouse .

. Control Panel :

One of common control panel comprising of:

- Star delta starters (size according to motor KW).- Cyclic switch- Selector switches (Auto /Off/Hand)..

- H/L voltage cut -out

- Transformer to give 24V out-put for float switches

- Dry running protection.

- Run, trip, power indication lights.- TP MCB+ ELCB back up protection..

- Enameled steel enclosure with IP: 54 protection.

b. Booster Pump Set (on the roof )

1x horizontal, multistage water pump(Capacities as shown on the Tender drawings)(stand by/on duty) , complete

with 24 L press tank, press switches, press gauges, control panel & dry running protection.The pump set is to bekept in aluminum, louvered penthouse of suitable size complete with door and lock.


10/30



10

3. Internal Cold & Hot Water Supply Pipes

Shall be as following

Cold and hot water running above false ceiling as a ring main shall be made of copper to BS 2871

Part-1, table-X with compression fittings, suitable for 10 bar working pressure.Hot water pipes shall be

pre-insulated to protec-2000.Vertical, connected cold and hot water pipes shall be made of crosslinked polyethylene- line(80-85degree) of 16mm dia and 2.2 mm wall thickness ( ie Pex pipes) complete with 28mm dia blue/red pvc

conduits,pvc boxes . All fittings & accessories are made of bronze, with compression type fittings.

4. External Cold Water Supply Pipes

External underground main water supply pipes are to be upvc class-E .

External on the roof shall be half hard copper to BS: 2871, Part-1, tableX with compression fittingscovered with closed cell rubber insulation covered with canvas cloth applied with approved vapor

barrier.

5. Water Supply Pipe Supports

AII pipe inside OTS,ducts and other areas to be supported with 1,5mm thick galvanized steel clamps,factory rubber lined ,complete with 8mm threads rod and rawl plug.

6. Valves

a. Globe Valves :

One 3/4 size valve with blue marking to be provided in each bathroom ,toilet and kitchen . location to

be approved by the consultant.. Valves shall be bronze constructed to BS: 2060 ;1964 with non rising

stem.

b. Chrome Plated Angle Valves :

Both in blue and red marking 1/2inch size each 2 Nos. to be provided for every wash basin, bidet,

water heater and kitchen sink . One no to be provided for every WC flush tank, dish washer ,washing

machine and washing hose combination.

c. Gate Valves :

Should be bronze construction, screwed ends to BS: 21:1973 with cast aluminum handles to BS: 3464

d. Float Valves :

should be bronze construction with rubber seating ,copper/gun metal float arm and plastic ball float to

BS: 1212 part 1:1953 or 2:1970.

e.Non Return Valves:

should be bronze construction, swing type, screwed ends to BS:5154.


11/30



11

f. Pressure reducing valves

Wherever shown in the drawing press reducing valves shall be provided. Valve shall be of brass

construction with direct acting diaphragm, adjusting screw and pressure gauge

g. Flexible connectors

Twin sphere type with multilayered tire cord fabric and neoprene body completes with G.I. female

unions.

Note : All screwed ends valves are to be provided with two unions.

7. Electrical Water Heater

Water heater to be horizontal, glass lined type complete, safety, non-return and gate valves. Pipeconnections to water heaters are to be of insulated half hard copper pipes table-x with compression

fittings FROM ARISTON .

- (50 Liters Capacity for bath room)

- (80 Liters Capacity for kitchen)

8. Washing Hose Combination :

To be provided in each bathroom & toilet near WC unit ,complete with 90cm flexible metal tube ,

angle valve , hand spray and wall support. All flexible hoses to be covered with factory applied

transparent polyethylene casing, .

10.Main inlet Water Meter

As shown in the drawing ,and as per local water department specifications and requirements a mainwater meter with two gate valves is to be housed inside suitable size recessed type box with door.


12/30



12

B: DRAINAGE/ PLUMPING WORK

1. Kitchen Sink

Should be stainless steel, double bowl complete with chain & plug. Blanco-Germany make orequivalent.

2. TRAPS FOR KITCHEN SINKS & WASH BASINS.

Traps should be upvc, telescopic bottle type , with cleaning eye and adjustable heights..

3. Sink Mixer

(To be included in the kitchen cabinets price).

Chrome plated, stainless steel to engineer approval.

From : Grohe-Germany (or equivelant)

4. Floor Traps and Covers

4 stainless steel (JAPAN-HAMADA) or equivalent .

5. Roof Drain Units

( Rain water outlets)

Dome/zurn type with 3or 4 socket outlet , UPVC .

6. Balcony Drain Units

10x10cm UPVC with stainless steel grating and cover ..

7. Gully Traps

Supply and install wherever shown on the drawing of UPVC, gully traps with 4 0 spigotoutlet ,round plastic grid.

8. Clean-Outs/ Rodding Eyes

Shall be of the same material and dimensions as pipe to be cleaned, and shall be placed as shown inthe drawings. Above ground and ceiling mounted cleanouts shall have UPVC access plugs with UPVC

screw caps. Floor clean out shall have sealed inspection cover plate.

9. Manhole Covers & Frames

All covers and frames shall be Cast Iron,double seal of 600x600 mm.Covers shall be either heavy

duty,Grade-A,or medium duty Grade-B as shown on the drawings

All covers are to be bitumen coated. RBA/RSAHD

10.Covers & Frames for Gully Traps

Shall be Cast Iron,double seal of 300300mm size,Covers shall be of medium duty,grade-B

with bitumen coating.


13/30



13

NOTE:

-Manholes and Gully Traps to be complete with

-Sealing grooves to be filled with grease.

-3 -sets of cover keys to be provided.-GRP sealing of 6mm thickness to be providedwhen MH is connecting to main sewer line.

11.Drainage Pipes, Fittings and Accessories (Push-Fit System With Ring Seal)

Soil/Waste pipes to be8/ 6/ 4/ 3 as shown in the drawings.

floor trap to gully trap - 3

vent pipes - 3

wash basin to floor trap - 1.5

bath tub /shower tray to floor - 2

kitchen sink to floor trap - 2

A/C drain vertical riser - 2

A/C horizontal pipes (from A/C tray to the vertical riser ) - 3/4

Rain water pipes3

Balcony drain vertical riser-2

washing machine- 1.5

Bidet to floor trap- 2

All pipes and accessories shall be manufactured to B.S. 5255, 4514 & 4660.

12. UPVC Drainage Pipe Supports

All drainage pipes, horizontal and vertical running, exposed and concealed should be supported with

1.5mm thick galvanized steel clamps, factory, rubber lining, complete with 8mm stainless steel

threaded rod and rawl plug .

13. Full Bath Sets

As shown in tender drawings each bath set including: GRP bath tub / shower tray, bidet, wash basin,wc, single hole mixers and screw-on accessories. Mixers from Grohe-Germany (or equivelant)

14. Toilet Sets

As shown in tender drawings each toilet set including :wash basin, WC, bidet, single hole mixers andscrew-on. Mixers from Grohe-Germany (or equivelant)

15. Miscellaneous Accessories

Chrome wall flanges ,metal flexible connectors, WC connectors sealant and mastic 60cm40cm allsides beveled mirrors with fixing clips, with fixing screws for all bath and toilet sets,etc.


14/30



14

Schedule of Approved Manufacturers for Mechanical Works

Sr.NO Material Manufacturer

1. water tanks. APPROVED SUPPLIER

2. G.R.P Hot Pressed Panel Water Tank. -balmucal -Local.

-Solico -Local.

-Mitsubishi -Local.

3. Water Pumps.-Grandf-----------------ous -Denmark

K.S.B.

-Espa- Spain

4. Electric water Heater. -Ariston -Italy.

-Thermix -Italy.

-A.O. Smith -U.K

5. UPVC Pressure Pipes and Fittings. -Hepworth/G.F.Local/U.K.

-Durapipe -U.K.

6. Copper Pipes. -Yorkshire -U.K.

-Kuterlex -U.K.

-Wednesbury -U.K.7. Pex-Pipes & Fittings. -JRG Sanipex -Switzerland.

-Franksche(Fripex)-Germany.

-Comap -France.

Morley U.K.

8. Valves (Gate,Check,Float type) -Crane -U.K.

-Pegler -U.K.

9. Angle valve -Grohe -Germany.

10. Y-Strainer. -Crane -U.K.-Spirax Sarco -U.S.A.

-Econosto -Holland.

11. Float Switches. -Siemens -Germany.

-Econosto -Holland.

12. Mixers -Grohe -Germany

13. Pressure Guage. -Hunter -Germany

B


15/30



15

Drainage Services

1. U/G & A/G uPVC pipes, Fittings, -Hepworth -U.K.

Accessories. -Marley -U.K.

-Terrain -U.K.(U/G only)

2. Floor, Gully, Bottle traps, Roof drains, -Terrain -U.K.

Outlet and Cleanouts. -Hepworth -U.K

3. Manholes and Gully Covers. -RSI -India.

-RBA -India-Ducast -UAE

4. Pipe Hangers and Supports. -Flamco -Holland.

-Isofix -Spain.


16/30



16

FIRE FIGHTING & FIRE ALARM SYSTEMS

N./A.

1. Hose Reel Pumpset

Will be comprising the followings: 1 x vertical multistage centrifugal type with st.steel shaft, impellers and casing driven by totally

enclosed, fan cooled, squirrel cage, star-delta electric motor with class F insulation and IP 54

protection. The pump capacity is 10m3/hr at 40m head .

1 x single stage end suction self priming centrifugal pump with mechanical seal, st.steel shaft,

impeller and cast iron casing driven by , electric start diesel engin complete with battery chargervoltmeter & ammeter, auto/manual start preset switch, start failure warning light LOP/HT warning

light, stop button and fuel tank of sufficient capacity for 3 hours continuous running. Pump duty shall

be same as above electric main pump.However the diesel engine will start automatically in case electric

supply fails , either electric or diesel pump shall be started automatically by press switch( falling

pressure)

1 100L pressure tank suitable for 6bar working pressure .

Pressure switches, pressure gauge and all necessary valves .

1 x automatic control panel (comprising the following)- DOL/Star delta starters . - MCB.

-H/L voltage cut -out .

- Selector switches (Auto /Off/Hand.)- Automatic battery charger-10 Amps.- Battery charger voltmeter & ammeter-Run, trip, power indication lights.- 1 interlocked isolator door.- Dry running preventing device with external IP54 flash light and hooter.

2. Fire Hose Reels

Swinging type ,100 feet 1 rubber hose suitable for W.P. 15 bar and manufactured to

BS 169/2:1981, complete with 1gate valve ,union and jet /spray/shut off nylon nozzle.

Pipe connection should be 1,GI class-C complete with red oxide and finished with red paint ..

3. Landing Valves

Gate pattern landing valve for dry riser systems to B.S. 5041 pt2, manufactured in gunmetal, flangedtype complete with blank cap and chain, padlock and strap. Landing valve is to be fixed inside hose

reel cabinets wherever shown in the drawings.

4. Fire fighting equipment cabinet

150x90x40 cm depth heavy section aluminum double door with lock ,6mm wired glass and red paint

to accommodate: Fire hose reel,hose pipe, fire extinguishers and landing valve. The contractor should

submit detailed drawing for consultant approval.


17/30



17

5. Twin Inlet Breaching

Complete, with non-return valve, 2.5 inch inlet ,gun metal flanged type, fixed with stainless steel bolts

and nuts to be housed in 50cm 05 cm 05 cm recessed aluminum box with 6mm wired glass

aluminum door and lock to BS 5041 Part 5/1971. Box to be finished with red paint .

6. Air Release Valves

Brass, screwed type, 1size auto air release valve to BS 2591 with cock valve to be provided athigh points of both dry & wet risers.

7. GI Pipes and Fittings

Class B seamless type coated with chrome prime plus 2 coats of H.B epoxy paint .

8. GI Pipe Supports

1.5mm thick, galvanized, factory rubber lined a clip complete with 8mm 125 mm threaded rod andrawl plugs .pipe supported to be provided every 1.8m distance .

From : Mupro-Germany.

9. F ir e Extinguishers

5kg dry powder and 5 kg CO2from : Walker FireUK, Firemaster Extinguisher-UK,Walter

Kidde-UK.

1. Fi re Proof I nsulation Materi als

To be used in electrical rooms (All floors) to prevent fire spread to other floors.

. F ir e Proof Coatings

Each door to the stair case area to be wooden fire proof door (FPD), as per civil defence regulations

Each door to be painted with two(2) coats of fire proof paint, with two hours fire rating. Coatings tobe approved make and carried out by an approved sub-contractor. Refer architecture drawings for door

sizes.

2. Plastic sign boards (civil defense requir ements)

To be as per local civil defense requirements in Arabic and English, 30x30cm each.

To be provided for Transformer room, pump room, water tank room, garbage room (all floors),electrical room (all floors), fire fighting equipments (all floors).


18/30



18

3. Plastic sign boards (F loor Nos I ndicators)

To be used as floor nos. indicators, 3 nos for each floor 30cmx20 cm each , black writing on white

plastic for stair cases.

4.Fire Alarm System Components

Fire alarm control panel, detectors, call points, bells, cables, emergency lights and exit signs to be asper the civil defence requirements. Fire alarm control panel to be recessed type (16 Zones ).

Fire alarm panel From : Caradon Gent-UK, Simplex- USA, Edwards USA.

Emergency lights /exit signs From : Cefex-UK ,OrbikUK or equivalent.

Fire resistant cables FB200 Gold type(Rrd) from : Pirelli CablesUK ,Delta Energy Cables -UK

Smoke/Heat detectors to BS 5445 From : Caradon Gent-UK or Apollo Fire Detectors-UK.

Sounders :Caradon Gent-UK or eq.

Manual call points :Apollo Fire DetectorsUK, Caradon Gent-UK

5. I n General

The fire fighting &alarm systm works shall be caried out and the equipments shall be inaccordance with the following :

a) Local Civil Defence Regulation and Requirements . b) The Loss Prevention Council.

The contractor has to prepare detailed shop drawings for fire fighting and alarm systems and submit

to the local fire authorities and consultant for approval.However all items or material used are to be

approved by local fire authorities and consultant engineer. The installation shall be in accordance with

BS 5389; pt 1 ; 1980 with all relevant amendments and up to date instructions given by local fire

authorities at no extra cost.


19/30



19

ELECTRICAL WORKS PARTICULAR SPECIFICATIONS

I GENERAL NOTES

1. All electrical points shall be installed as shown in the drawings.2. All switches,sockets,isolators,light fittings,distribution boards etc installed outside/in damp areas

shall be weatherproof.

3. All sockets shall be three pin shuttered type and switches 10 amp rating unless otherwisespecified.

4. All materials shall be confirming to British Standard specifications.5. MEP Job includes high quality systems and equipment as detailed in drawings and specifications.

MEP contractor/subcontractor must have required technical expertise to undertake this quality of

work.

The quality of work to be such that long term trouble free operation of system & service

installation is achieved.6. All electricians must hold a valid wiremen licence issued by M/S DEWA ( Elec div.)7. Before commencement of any excavation work the contractor shall ensure no service lines are

crossing, in case service lines are crossing it is to be protected.

Any damage/penalty is contractors responsibility.

8. BEFORE STARTING RESPECTIVE WORKS.

Contractor shall submit & obtain approval for the following:- Shop Drawings.- Load Schedules.- Single Line Diagrams.

- Electrical Cable Layouts.- Schematic Single Line Diagrams for Panel , DBs etc.-

Material Approval:

All materials to be submitted in material submittal form stating, Make,

Specification,Name of Manufacturer/Supplier along with catalogues & samples.

AFTER COMPLETION OF WORKS.

Contractor shall submit the following:

- As-Built Drawings.- As-Laid Cable Layouts.- Catalogues for all equipments used in the installation.- Operation and maintenance manuals for the above.- Guarantee Certificates for equipment.

All above items shall be submitted in triplicate except Guarantee Certificates.

9. All works shall be carried out as per latest rules and regulations of M/S DM,DEWA,ETISALAT,CIVIL DEFENCE, and any other local government authority.

10. All testing charges, governmental fees and any form of duty to be paid by the contractor

and it shall be included in the quotation/tender


20/30



20

I I ELECTRICAL WIRING

1. Minimum size of wires used for lighting 2.5mm2,13 amp socket 4.0 mm2 and 15ampPower socket 4.0mm2.

All airconditioning and other equipment wiring shall be as per equipment rating.

2. The electrical wire shall run through PVC conduits3/4 and 1 and of approved make.Conduits shall run in concrete and masonary work.

3. All exposed conduits inside/outside buildings should be GMS galvanised mild steelconduits(hot dipped galvanised) & not PVC.

All accessories saddle bars,elbows, bends etc shall comply with IEE Standards.

4. Earth insulation tests to be carried out on the installation.5. All phases load must be balanced and the work of standard specification of

M/S DEWA.

I I I ELECTRICAL CABLES

1. All cables to be armoured copper cables.2. Proper protection to be provided for cables crossing different services.3. PVC ducts to be provided for incoming cables 6dia.4. Wherever necessary, manholes to be provided for electrical cables inside the building.

The cover of manhole should be same as floor finish and provision for lifting the same is to be

provided.

I V DI STRIBUTION BOARDS

Sheet Steel enclosure surface / flush mounting with hinged lockable cover. W/P for

outside.

IncommerIsolator

Outgoing ELCBS,UV relay with autoreset & MCBS. As per M/S DEWA

requirements.

Spare MCBS at least two nos to be provided for each section or one of each rating.

V TELEPHONE

Main incomming to JN box shall be as per Etisalat requirements ,in general 2 Nos

4 Dia PVC ducts to be provided.

Telephone duct to be laid in 85 cm deep trench with PVC warning tape (English andArabic marking.) laid at 30 cm fromFFL.Each block to be provided with a separate JUNCTION BOX.

Inside the building all conduits shall be 1 dia.

Block wiring to be done as per ETISALAT requirements.


21/30



21

VI L ighti ng and Small Power Installations

1.General Requirements

The contractor shall submit complete working drawings with all relevant details for the proposed

installation of lighting and small power in compliance with the design drawings, specifications and

local schedules for the various areas.

2. Lighting in Areas with False Ceiling

These areas shall be with 60x60cm false ceiling. Recessed 4x18W fluorescent fixtures suitable for

the particular false ceiling shall be used. All down light fixtures shall be recessed mounted on to

the false ceiling.OR AS SPECIFIED FOR SPECIFIC AREA ELSEWHERE.

3. Lighting in Areas Without False Ceiling

Unless otherwise stated, all these areas shall be equipped with surface ceiling/mounted fixtures/ as

indicated in the drawings.

4. Decorative Lighting

These shall be suspended or surface mounted and should match with the wall bracket installed onthe same area .

5. External Lighting

This shall comprise of galvanized steel lighting columns complete with high pressure

soduim lamp/metal halide lamp and control gear, cables and all accessories. Cables to columnsshall be laid direct in ground .

All external lighting circuits shall be controlled by contactor time switch assembly as wellas ELCB 100ma .

6. Fluorescent Fixtures

All fluorescent lighting luminaires shall be provided with capacitors to give p.f.in excess of 0.9lagging .

All the ballasts should conform to BS 2818 : part 2 : 1985 or IEC82 and shall be suitable for

normal switch start operation.

Fluorescent luminaires shall have spring-loaded bi-pin lamp holders and shall be equipped

with control gear to give trouble free operation at an ambient temperature of 50 deg c. .Theballast shall be of polyester resin filled type and shall be made of laminated sheet metal core

with coils of enamel wires of class H (180 Deg C). It should have touched proof push wire

spring terminal .Third harmonic should not exceed 10%of the fundamental.The capacitor to be

metal enclosed and rated for 250V.

The internal wiring shall be with insulation of PVC rated for 105 Deg .C as minimum heatresistant wires .It shall be of appropriate sizes neatly clipped in position .All luminaires shall

contain all associated control gear within the body of the luminaire. The main body of theluminaire shall be stove enamelled.

The fluorescent tubes shall have a life of approximately 7500 hours and shall be of efficiency 961m /W,85 color rendering index and 4000K colour temperature .

The contractor , before ordering the fluorescent luminaires , shall obtain the approval of the

Engineer .The submittal , necessary to obtain the approval, should contain the catalogues ofthe luminaires, all necessary technical data and a light distribution calculation in accordance


22/30



22

with British zonal method. The luminaires chosen by contractor, in addition to meeting the

requirements of specifications and drawings, shall be able to maintain the standard lighting

levels:

7. Incandescent Lighting Luminaires

Lighting luminaires for use with tungsten filament lamp shall comply with BS 4533.

All tungsten lamps shall be internally frosted type and shall comply withBS 161: 1976.

All lamp holder shall be of bayonet cap type for lamps upto and including 150 watt and shallcomply with BS52 : part 1 : 1981.

8 .Socket outlet

General purpose socket outlets shall be of 13 A shuttered 3 pin switched type complying withthe requirements of BS 1363: 1984. These shall generally be connected on ring main circuits.

Connections to the phase and neutral conductors shall be carefully made in accordance with the

manufacturers markings and the earthpin shall be effectively earthed. Unless specified otherwise,

all general purpose 13 A socket outlets shall be mounted 0.45 m above F.F.L as indicated in the

drawings. In general domestic flush type 13A socket outlets have been specified for most area as

indicated in schedule of equipment and materials. All socket outlets shall be suitable for mountingon appropriate galvanized , pressed steel boxes .PVC boxes can be used for surface mounting only.

9 .Switches

All lighting switches shall comply with BS 3676: 1963. These shall be quick make , slow breakA.C type 10A rating SP, multiple 1-way, 2 way type suitable for making and breaking inductive

loads. These shall generally be mounted at a height of approximately 1.4m above F.F.L and shall

be complete with galvanized steel boxes of the same manufacture. Earth terminals shall be

provided on each switch box. Domestic flush type and metal clad surface type shall be specified

for different areas.

Single pole switches shall only be connected to the live side of the circuit.

An internal barrier suitably engraved with circuit number and phase reference shall be fittedto multigang switch assemblies where more than one phase of supply is connected.

10. Isolators

All Isolators shall be W/P for outdoor installation complying IP 54 .The isolators should be sturdy with quick make and break contact.

Incoming and outgoing entry shall be from bottom.


23/30



23

Electrical Particular Specifications

Local Agent

Brand

Item Description

Sr. No.

SMKA / BMTCABB

LEGRAND FRANCEMK

Switches/ Sockets1

AL HATHBOORBMTC

BIN GHALIB

BARTON UKCALBOR UKMK UK

GI Switch Box with EarthWith brass terminal &

Adjustable legs

2

THOMSON ELECTRONICS

S K TRADING

CLIPSALL

DECODUCT

PVC Conduits andAccessories

3

AL HATHBOOR.SAFETY/BIN GHALIBTHOMSUN ELECTRONICS

LEGRAND FRANCEABB

CLIPSALL

W/P Isolators

4

AL HATHBOOR.BIN GHALIB

LEGRAND FRANCEABB

MK

W/P Switched SocketOutlet

5

AL HAMASZUBAIR ELECTRICALS.

DUCAB UAESingle Core Wires6

AL JALAL ELECTRICAL.ABDULLA HASSANELECTRICALS

DELTA-UKSHARCAB-UAE

PVC/PVC Flexible Cable7

AL HAMASZUBAIR ELECTRICALS.

DUCAB-UAEArmoured Copper Cable

8

ZUBAIR ELECTRICALS.DURATUBE-UKTELEPHONE WIRE9

ZUBAIR ELECTRICALSFIRETUFFFLAME PROOF WIRE10

AL HATHBOOR.

HAWKE-UK

Cable Glands

11

TECONAL HATHBOORMARWAN ELECTRICAL&SANITARY WARE CO

FURSE-UKERICO-CADWELD

J. PROPSTER-GERMANY

Earthing System

12

AL HATHBOOR.THOMSUN ELECTRONICS

LEGRAND-FRANCECLIPSALL

Door Bell13


24/30



24

OMAN NATIONAL

NATIONAL-JAPANWALL FAN14

ABDULLA HASSANELECTRICALS.

MALISCO ELECTRICALS

MIDDLE EASTSWITCHGEAR.

SCHRACK-AUSTRIA

GE-FRANCE/UK

LEGRAND-FRANCE

MDB ( LV Panel) ,SMDB.

15


MALISCO ELECTRICALS

MIDDLE EASTSWITCHGEAR

SCHRACK-AUSTRIA

GE-BELGIUM/UK

LEGRAND-FRANCEABBDORMAN SMITH

DB16


MALISCO ELECTRICALS

MIDDLE EASTSWITCHGEAR.

ELECTRONICON

EPCOS

DUCATI/SIGMA

Capacitor Bank

17

NADA ELECTRONICS.INTERFUTURE

AL ZAHARASECURITYSYSTEMS &ELECTRICALS.

ASTRO-GERMANYSWITCH MASTER-GERMANYHIRSHMANN-GERMANY

Central Antenna/MATVSystem

18

INTERFUTUREPANATECH

AP-IGP

AA-IENPE AESGMU RPE

IR1


25/30



25

INSTRUCTIONS TO TENDERS

As-Built-Drawings

As built drawings for following items to be submitted before handing over :

- Air-conditioning system .

- Electrical .

- Plumbing & Drainage .

- Fire fighting & fire alarm .

- Dubai Municipality approved drawings .

- Original completion certificate from Dubai Municipality .

- MA TV. & satellite system, intercom system & Telephone system .

Guarantee Certificates :

For following Items, guarantees in original to be submitted before handing over :

- Waterproofing : 10 Years .

- Water Tanks : 10 Years .

- Plumbing works : 1 Year .

- Electrical works : 1 Year .

- Pumps : 2 Years .

- Painting : 5 Years .

- Marble Installation : 5 Years .

- Ceramic Cladding : 5 Years .

- Aluminum works : 1 Year .

- Joinery works : 1 Year .

- Water Heater Shell & Lining : 5 Years .

- Air Conditioning ( compressors only ) : 5 Years .

- Mixers : 5 Years .

- Anti Termite : 20 Years .

- Structural Guarantee for the Building : 10 Years .

- Lifts : 1 Year .


26/30



26

PREAMBLES

A) GENERALLY

Pricing generally:

The pricing of the Bills of Quantities shall be executed in ink to enable reproduction by

photocopying to be carried out if required.

The price must be comprehensive and must include for complying in all respects with the

instruction to tenders, conditions of contract, specifications and drawings, and for all matters and

things necessary for the proper construction, completion and maintenance of the hall of the works. No

claims for additional payment will be allowed for any error or misunderstanding by the contractor of

the work involved. The following clauses on pricing are included as a guide only.

The contractor shall insert a lump sum or rate against each individual item in the Bills of Quantities.

Where the contractor considers that an item has no financial value he shall insert the word " NIL".

Lump sums shall not be inserted covering more than one item. Items not priced shall be deemed to

have no financial value or to have their value included elsewhere.

The unit rates must include for the following:

1. Labor and all costs in connection therewith.

2. Materials, goods and all costs in connection therewith (e.g. carriage, freightage, Delivery,unloading, sorting, returning packing, handling, hoisting or lowering, replacing work, goods

or materials damaged, broken, lost, or stolen, until the issue of a certificate of completion).

3. Fitting and fixing materials or goods in position.4. Plant.5. Waste, bulking, shrinkage or overlaps.6. Overhead charges and profit.

The rates inserted will be used to determine the amount of the contractors interim payments.

B) variations

The rates inserted in the Bills of Quantities will be used to value any variations to the works,

whether omissions or additions. The Contractor shall not be entitled to payment for profit and

overheads on the value of work omitted. The Engineer may value any variations from the Contract

Drawings and the Contract Sum adjusted accordingly.

C) Unspecif ied Materials and Submission of Samples

Generally, all the materials shall be specified. In case of non-availability, consultant's adviceshould be sought and an alternative is suggested. A sample shall be submitted to the consultant

and his approval shall be obtained on paper as well as on sample itself.

In case of non-specified items, similar sample submission and approval is necessary.

In case of modifications suggested by owner or consultants, a similar procedure is may be

adopted.

In case of materials where specifications are not or cannot be fully described (pattern, colors,

shade, etc.) similar procedure is necessary.

All the records of submissions and approval shall be kept at site.


27/30



27

D) measurement & rate items

1. Setting Out:

The contractor shall study foundation drawing and soil investigation report before commencing

the work. He shall make a suitable arrangement to provide correct grid network with offsets as

mentioned in project drawings.

2. Excavations:

Quantities for all excavations and filling shall be measured net and no allowance made for working

space.

The rates for excavation are to include excavating in any type of ground including rock and

excavating below the water table if necessary, filling and ramming around foundations. Selecting and

netting aside approved materials for filling to make up levels and multiple handling and removal and

disposal of surplus excavated materials are to be included as well.

Rates shall include for bulking, compacting, working space, shoring of sides of excavations, keepingsite and excavations free from water, leveling or grading. Trenches for pipes shall be measured by

length of pipe.

The rates for filling shall include for compaction, leveling or grading and thickness of beds and

blinding are the thickness after consolidation.

The rates for Polythene sheeting shall include for extra materials at overlaps, all straight, raking and

circular cutting and for notching around all obstructions.

3. Water Proofing & Damp proofing:

Concrete surfaces coming In contact with soil shall be applied with approved waterproofing system

as specified or indicated on drawings. In the absence of any such specifications, two coats of approved

cold applied bitumen with minim. Content of 10% rubber shall be applied. All other surfaces of sold

block masonry shall be similarly applied with cold bitumen as above. Ground non-suspended slabsshall be casted on 1000 gauge Polythene sheet on well-compacted grade. Care must be taken while

back filling and roof slab shall be provided with specified torch-welded membranes to be appliedaccording to manufacturer's instructions by specified sub-contractors.

Roof water drain slopes, insulation should be laid in accordance to the project drawings.

4. Concrete work:

Plain and reinforced concrete shall be measured net by volume or surface based on dimensions as

shown on the drawings or as directed by the Engineer, without deduction for the volume of any steel

work embedded or encased in concrete. Rate to include formwork steel reinforcement....etc.

5. Block-work:

Block walling shall be measured net as laid without deduction for lintels. The rates for block

walling are to include for isolated and attached piers, bonding at angles and intersections. Rates

shall also include for filling ends of hollow blocks and all necessary cutting. The rates for block

walling are to include for cutting or forming chases or grooves and making good, building in or

cutting and pinning in and making good ends of lintels, timbers, steelwork, pipe holder-bats and thelike, and building in or cutting holes for and making good around pipes, ducting and fittings.

Damp proof courses bellow first coarse of block work for the entire tie beams at ground floor and

compound wall and shall be measured net as laid, and rates shall include for overlaps.


28/30



28

6. Roofing:

Roofing shall be measured net as laid; covering to falls shall include work to cross-falls. The

rates for all roof sheeting and membranes are to include for overlaps, forming collars and watertight

joints to roof outlets, pipes, ducts, etc passing through the roof covering.

The rates for skirting and the like shall include all labors in dressing over angle fillets, tucking

in edges etc and all angles and ends. The rates for decking are to include for all necessary cutting.

The rates for roof screeds are to include for lying in bays with felt dividing strips.

The rates for all flashing shall include for all labors in dressing and bending, tucking in edges

and for all laps, ends, angles and intersections etc.

7. Carpentry and Joinery:

Unless specifically described timber shall be deemed to be either approved softwood or

hardwood species suitable for the purpose for which it is to be used

The rates for timber frames are to include for bedding in cement mortar. Where applicable

rates shall be deemed to include for all ends, angles and cutting etc.

All timber under the heading (Carpentry) shall be deemed to be sawn, i.e. as cut, and thatunder the heading (Joinery) shall be deemed to have wrought surfaces, i.e., planed, unless otherwise

specified. Sawn timber shall have the nominal sizes as measured; sizes of wrought timbers are the

actual dimensions required after planning. Wherever the terms sawn and wrought occur elsewhere as

applied to timber used in this context, they shall be interpreted in a similar manner.

Rates shall include for all sorting spraying, notching, forming joints, etc, and for forming all

ends, angles and the like. They shall also include for all necessary nails, screws and fixing

accessories.

Work described as (plugged) has been given relative to the structure irrespective of any

applied finishing.

Rates for flush doors shall include for incorporating fixing blocks for ironmongery, as

specified in BS.

Rates for doors shall include screws for fixing and for all necessary sinking, boring etc. Theyshall also include for taking off and re-fixing after decorations have been completed.

The rates for all softwood joinery in contact with the structure shall include for priming the

contact surfaces.

8. Metal work:

The rates for metal work are to include for rolling margin, joints in the running length,

notches, holes, slots, angles, ends and all cutting etc Welded work has been specified.

In the absence of specified requirements to the contrary the techniques and materials

employed in welding shall be selected with the regard to the character of the work and the materials

being connected. The rates for welding are to include for grinding to a smooth finish.

The rates for all galvanized work are to include for the treatment of cut ends, etc. as required

by the specification. Galvanizing shall be done after fabrication

9. Plumping:

Pipe-work shall be measured the mean length as fixed.

Rates shall be deemed to include all pipe clips and fixing accessories for pipes up to 50

mm. in diameter (nominal bore).Rates shall also include for all joints in the running length and joints to fittings and a

appliances.

Rates of pipe-work shall include for all necessary labor molding in bends etc.

Work specified as "plugged "or fixed shall be given irrespective of any applied finishing.

Prices shall be deemed to include all necessary marking of positions of pipe-work and fittings

and of temporary removal of decoration, etc.


29/30



29

10. Plasterwork and Other Floor, wall and ceiling Finishing:

Rates shall include for all narrow widths and for all labors at angles and boundaries, etc. and

making good around pipes and the like.

Work to sofits shall be deemed to include work to sides and sofits of beams Rates shall

include for all battens, templates, etc.

The rates for all finishing are to include for using Unibond bonding agent on all concrete

surfaces and raking out joints to form key, brushing, cleaning off and dampening the background of

block-work surface before application of finishing.

The rates for plastering and rendering are to include for all, grooves, arise, metal stop or angle

beads except at expansion joints.

The rates for screeds are to include for brushing cleaning off and dampening the background

surface before lying.

Rounded edge tiles and the like shall be deemed to be included with the rates for the

appropriate tiles and division strips shall be include in the rates for all floor finishes.

Rates for suspended ceilings shall include for supplying shop drawing and for obtaining

approval of details before commencing work. Rates shall also include for primary and secondary

grids as necessary and for suspending the same with requisite hangers from the sofit specified and thelike. All cutting and fitting is deemed to be included in the rates. The cost of providing access panels

and any additional support for light fittings shall be included in the rates.

11. Glazing:

The rates for glazing are to include for replacing any cracked or broken panes and for aligning

wires in adjoining panes of wired glass

12. Painting and Decoration:

The rates for paintwork are to include for painting in any color, multicolor work cutting into

line at junctions of different colors of paints at angles or plain surface.

Quantities of paintwork to beams shall be included with paintwork to sofits.

Quantities of paintwork to columns shall be included with paintwork walls.

Rates shall include for preparing all surfaces as specified or as recommended by the

manufacturer and for rubbing down with glass paper between coats.

Rates shall include for painting in narrow widths.

13. External Works and Drainage:

Measurement and rates shall be based on the rules for similar items as recommended in the various

trades herein before. The rates for drainpipes shall include for bends etc.

14. Generally - all trades:

Should the Contractor wish to use alternative materials to those specified, e.g. to utilise local stock

and suppliers instead of importing goods, he shall first obtain the approval of the Engineer whose

sanction will not be unreasonably withheld Any alternative materials shall not be of a lessor

standard than those stipulated herein.

Where items are described as (plugged) this shall be taken to mean plugged to any background

i.e. block-work, concrete.


30/30


15-Builders Work:

a. The Expression Builder work shall mean the ancillary work carried out by the contractor inconnection with the specialist installations.

b. The drilling, cutting or leaving of holes or apertures through structural floors, walls, beams,

etc. . Shall be avoided but where this becomes a necessity, the contractor must obtain thewritten approval of the Engineer before such work in put in hand.

c. Builders work will include the following, but it should be noted that this list is not intended tobe exhaust.

1- Drilling, cutting or leaving of holes for pipes, ducts and like through walls, floors,partitions, roofs, etc, and subsequently making good.

2- Cutting and pinning ends of supports for pipes, equipment, appliances, fitting and thelike to walls, floors, partitions, sofits, etc, and making good.

3- Cutting or leaving mortises, sinkings,,etc, for holding down bolts, brackets, supportsand the like and grouting in.

4- Cutting chases for pipes and the like in walls, floors, petitions, etc, and subsequentmaking good.

5- Cutting and fitting around, boring holes through and making good of finishing up to

pipes, supports, brackets and the like.6- The building of meter pits, access chambers and the like.7- The painting of exposed pipe work, fittings, equipment, etc.8- The construction of Air-Condition equipment foundations including the provision of

cork pads al as per the A/C subcontractor requirements.

9- The construction of water tank foundations in accordance with requirements of watertank subcontractor.