SPECIFICATIONS

Conducting foot survey, designing the system, supply of material and

erection for conversion of existing 11 kV and LT overhead

distribution system into 100% redundant underground system in

Ring main configuration and installation of 11/ 0.433 kV Distribution

Transformer (conventional and package type) and SCADA enabling

equipments such as RMU with inbuilt FRTU and FPI, optical fibre

cable, LT feeder panel, street light alongwith the associated civil

works, dismantlement of existing HT/ LT system, integration with

existing systems, complete testing and commissioning, alongwith

the support services including operation and maintenance of the

system so installed for a period of 5 years after the commissioning of

entire project- in the area of DLF operation sub-division, DHBVN,

Gurgaon, under the jurisdiction of DHBVN.

VOLUME - II

SECTION - VII

NIT NO. TSGP-02/ 2016-17

DAKSHIN HARYANA BIJLI VITRAN NIGAM

INDEX

VOLUME - II

SECTION DESCRIPTION

VII A, B & C Technical Specifications

SECTION VII-A

A. Introduction

The scope of this specification covers Conducting foot survey, designing

the system, supply of material and erection for conversion of existing 11 kV and

LT overhead distribution system into 100% redundant underground system in

Ring main configuration and installation of 11/ 0.433 kV Distribution

Transformer (conventional and package type) and SCADA enabling equipments

such as RMU with inbuilt FRTU and FPI, optical fibre cable, LT feeder panel,

street light alongwith the associated civil works dismantlement of existing HT/

LT system, integration with existing systems, complete testing and

commissioning, alongwith the support services including operation and

maintenance of the system so installed for a period of 5 years after the

commissioning of entire project – in the area of DLF operation sub-division,

DHBVN, Gurgaon, under the jurisdiction of DHBVN, against the tender enquiry

no. TSGP – 02/ 2016-17, on turnkey basis.

The present project of ‘Smart Grid leading to Smart City, Gurgaon’ is an

ambitious joint project of GoI and GoH envisaged by Minister of State

(Independent Charge) for Power, Coal and New and Renewable Energy and

Chief Minister, Haryana with the objective of providing 24X7 power supply in

Gurgaon city and to make the city Diesel Generator set free. The project is shall

be monitored at the Ministry level also. Accordingly, the quality of material

procured, work under taken, manpower employed and norms observed by the

contractor/ executing agency shall be of the high standards supported by the

latest technology and best practices being adopted in the industry now a days.

The contractor is expected to follow all the rules and Acts as applicable.

1. Scope:

The scope of work shall include foot survey, complete engineering and

system design, manufacture, testing and supply of all the required material on

FOR destination/Site basis including transportation, insurance, storage, trench

digging, trenchless boring, erection, testing and commissioning of new 11 kV

and LT lines with underground cables, DTs, Packages DT substations, Ring

Main units with inbuilt FRTUs/ FPIs, LT feeder panels with DT meter , Optical

Fibre Cable, Street light poles and underground street light cables and other

related activities under the jurisdiction of DHBVN on turnkey basis. The supply

items shall include all the items as per Schedule of prices. All the other material

/ job not specifically mentioned but required to complete the work shall also be

in the scope of the contractor. The quantity of material requiring

dismantlement has been provided in the tender documents and which shall be

dismantled by the contractor by dismantling the material Section wise i.e. from

dead end pole to next dead end pole with proper accounting and returned to

Nigam’s stores. Shorter lengths/quantity of dismantled ACSR/ material without

any valid technical reason shall not be accepted. The contractor will complete

all the required work under the scope. Any item which is not mentioned in the

tender documents which is to be dismantled shall be in the scope of contractor

for which no extra payment is allowed.

The contractor will intimate in writing to CE/Smart City Project, Gurgaon

regarding when he/they are starting the work under the project. Under no

circumstances will the contractor undertake the work of smart grid project

without the prior intimation to the CE/Smart city project and subsequent

permission.

Charges to be paid to the Railways, Forest Deptt or any other Govt./

Statutory bodies will be borne by the Nigam on actual basis. Initially the

requisite charges are to be deposited by the turnkey contractor with the

concerned department. However the same shall be reimbursed to the

contractor on production of proof of depositing this amount. However, the CEI

charges shall be borne by the bidders; no reimbursement in this regard shall be

entertained.

.

1.2 Any material not specifically mentioned in the contract but required

to complete the job is deemed to be included in the scope of work of

the Contractor.

1.3 The entire stringing work of the conductor, laying of underground cable

and optical fibre cable under the ground and earth wire shall be carried out

by standard practice. The bidder shall indicate in his offer the detailed

description of procedure to be deployed for stringing operation/ laying of U/G

and Fibre Optic cable.

1.4 Location Details: The work under the project shall be carried in the areas

covered under DHBVN in the DLF Operation subdivision, DHBVN, Gurgaon.

1.5 Details of Line Route and Terrain:

The 11 KV Power Lines will be running almost through residential and

commercial and public utility urban area. Preliminary route alignment

maps of Power lines covered under this package giving the general

topography and major crossings like river, power lines, railway lines and

roads are in the bidder’s scope. Wherever, special river crossings are

involved proper strengthening of the normal pole locations will be done by

the Contractor.

1.6 Access to the Line and Right of Way:

Right of way clearance from the Private/ Public/ Government owned lands

shall be the responsibility of the contractor, however, the same shall

be facilitated by the employer in accordance with work schedule. The

employer/ owner shall not be responsible for delay on this account or pay

any compensation in lieu of getting clearance/ any damages for right of

way during the execution of the project.

1.7 Detailed Survey of Optimization Pole Location:

The detailed survey for the line route and optimization of the pole

location/ u/g cable laying along with profiling shall be carried out by

the successful bidder. The provisional quantity has been indicated

in the Bill of Material/ schedule of prices.

The tentative sketches of the lines / works to be carried out are

provided with this specification. The detailed survey shall be carried out

by the bidder along the approved alignment. The bidder will examine

the site of works and its surroundings and obtain himself, at his own

responsibility and expenses, all information regarding general site

characteristics, crossings accessibility, infrastructure details etc. The

purchaser will, however, assist the interested bidder to see and inspect

the site of work. For this purpose the bidders are requested to contact:

Chief Engineer/ Smart City Project, DHBVN, Gurgaon.

1. 8 The bidder should note that the Employer will not furnish the

topographical map prepared by survey of India, but will make available any

assistance that may be required for obtaining topographical map.

1.9 Route Marking:

At the starting point of the commencement of route survey the peg

marking shall be done with iron spikes, driven firmly into the ground. A

Benchmark on top section of the angle iron shall be made to indicate the

location of the survey instrument. Teakwood peg shall be driven at

prominent Position at intervals of not more than 750 meters along the

Power line to be surveyed up to the next angle point. At angle position

stone /concrete pillar with DHBVN marked on it shall be put firmly on the

ground for easy identification.

1.10 Pole Locations:

With the help of pole spotting data, pole locations shall be marked on

the profiles prepared to check the required ground clearances. While

locating the poles on the profile sheets the following shall be borne in the

mind.

a) Extension:

An individual span shall be as near to the normal design span as possible.

In case an individual span becomes too short or long with normal

supports on account of ground profile, one or both supports of the spans

may be extended with standard design or provision of a special

structure for the purpose according to technical specifications. The

design of such extension shall be prepared & supplied by the Contractor

and shall be got approved from the Employer.

1.11

1.11.1 Road Crossings:

As the proposed work is to be executed in city area of Gurgaon town

therefore a lot of road crossings may be encountered. The road

crossings of power cable shall be carried out through trenchless

boring method as given in the IS 1255-1983 with latest amendments.

The Optical Fibre cable shall also be laid through the trenchless boring

method across the roads by standard practices or as given in the tender

documents.

1.11.2 Railway Crossings:

The Contractor will make preliminary survey to assess the

requirement of Railway Crossing and take the same into account in his

Bid. The work of Railway Crossings will be got executed by him as a

deposit work with the Railways or otherwise as per rules of Railway

Department. The Employer will arrange to get the approval from

Railway Authorities expedited. The case for approval will be

submitted by the Contractor on the behalf of the Employer well in

time.

1.11.3 Power Line Crossings:

Wherever the line is to cross over / below the other line of the same

voltage or higher or low voltage the requisite clearances will be ensured

in accordance with the Indian Electricity Rules. The Contractor shall

submit and get approved from the Employer any special design where

required in order to achieve such clearances.

1.11.4 River Crossing:

The route of 11 kV New / Augmented line/LT line if routed through a

river bed / mullah or rivulet must have concrete foundation for erection of

poles and must be supported by a good number of stay-supports

capable to withstand water / wind pressure and must be executed to

the entire satisfaction of the Engineer.

1.11.5 In case the 11 KV U/G cable is to be laid along the Municipal Road / High way, the Contractor will make preliminary survey to assess such requirement and take into account in his Bid. The employer will facilitate to get the approval from the Civic Authorities. However, the case for approval will be submitted by the Contractor on behalf of the employer well in time.

1.12 Clearance from Ground, Building, Trees etc.:

1.12.1 Clearance from Ground, Building, Trees and Telephone lines shall

be provided in conformity with the Indian Electricity Rules, 2005.

1.12.2 The tree cutting shall be the responsibility of the Contractor at the time of survey as well as during actual execution. However, the Contractor shall count, mark and put proper Nos. with suitable quality of paint at his own cost on all the trees that are to be cut by him at the time of actual execution of work. Contractor may please be note that the Employer shall not pay any compensation for any loss or damage to the properties or for tree cutting necessitated due to Contractor’s work.

1.12.3 Any way leave which may be required by the Contractor shall be arranged by the contractor.

1.12.4 To evaluate and tabulate the trees and bushes coming 6.096m on

either side of the central alignment of the support, the trees will be numbered

and marked with quality paint serially from angle point 1 onwards and

corresponding number will be painted on the stem of trees at a height of 1m

from ground level. The trees list should contain the following information:

a) Girth (circumference) measured at a height of 1 m from ground level.

b) Approximate height of the tree with an accuracy of +/- 2 mtrs.

c) Name of the type of the species / tree.

1.13 The profile sheets duly spotted along with preliminary schedule

indicating position of poles, wind span, weight span, angle of deviation, river

or road crossings and other details shall be submitted for the approval of

the Employer. After approval the, Contractor shall submit six more sets of

approved reports along with one set of reproducible final profile drawings to the

Employer for record purpose.

1.14 Environmental Conditions:

1.15 General Climatic Conditions:

The area is in extreme climatic belt. Monsoons are generally active in the

area from the month of July to September. The area is also prone to

mild dust storms during the months of March to May. The maximum

temperature shall be of the order of 50°C and minimum temperature

shall be of the order of -2°C. Normal every day temperature is 32°C.

1.16 Technical Data:

The bidder shall furnish all technical data as per relevant schedules in five copies.

1.17 Statutory Regulations and Standards:

1.18 Statutory Regulations:

The Contractor is required to follow Statutory Regulations stipulated in

Electricity Act, 2003 and Indian Electricity Rules, 2005 as amended to-date

and other local rules and regulations referred to in this specification.

1.19 Reference Standards:

The work shall be carried out in accordance with specifications &

construction standards attached hereto or available with the P&D

wing of DHBVN/ Nigam’s Website. The codes or standards referred to in

this specification shall govern in all cases wherever such references are

made. In case of conflict between such codes or standards and

specification, latter shall govern. Such codes or standards referred to

shall mean the latest revision, amendments / changes adopted and

published by relevant agencies. Other internationally accepted

standards, which ensure equivalent or better performance than those

specified shall also be accepted. All tested steel sections shall be

supplied conforming to relevant Indian Standard Specifications.

1.20 Quality Assurance, Inspection and Testing:

1.20.1 Quality Assurance:

The Contractor shall adopt suitable quality assurance programme to

control each activity. Such programme shall be outlined by the

Contractor and shall be finally accepted by the Employer.

1.20.2 Quality Assurance Document:

The Contractor shall be required to submit all quality assurance

documents as stipulated in quality plan at the time of Employer’s

inspection of material. The Employer through his duly authorized

representative reserves the right to carry out quality inspection / audit

& checks to see the adequacy of the Contractor’s quality management

programme.

1.20.3 Inspection and Testing:

The Employer shall inspect the major material i.e. Cables, Distribution

Transformers, Packaged Distribution Substation, RMUs with inbuilt FRTU

and FPIs, LT feeder panels, Poles, Conductors, Earth

wire, Insulators, Pins, Hardware fittings at the works of supplier

before dispatch. The requisite original type test certificates wherever

required will be submitted by the Contractor at the time of inspection for

verification / examination by the Inspector. The material shall not be

dispatched without dispatch authorization by the Employer. Other material

shall be inspected by the Employer before erection at site. The Employer

shall have the right to re-inspect at his expenses any material

through previously inspection and approved by him at the Contractor’s /

Supplier’s works, before/after the same are erected at the site. If

following the latter, the material is found defective, then the Contractor

shall bear the cost of this inspection and re-instatement according to

specifications. The Employer shall get the material inspected from his

Engineers or from any other inspection agency at its discretion.

1.20.4 Quality Assurance Plan: The successful bidder shall to follow the

Quality Assurance Plan of Nigam in which detail regarding material quality

assurance, quality assurance procedure, inspection requisition, procedure of

conducting of inspection at firm's premises, sealing procedure for the

inspected material, dispatch instructions and post Receipt Inspection / testing in

DHBVN Stores, has been elaborated. Copy of Quality Assurance Plan of Nigam

has been attached as annexure-A to Vol-I of tender documents for meticulous

compliance by the bidder

2.0 Technical Parameters of 11 kV Line:

Electrical System Data :

a) Nominal Voltage 11 KV

b) Maximum system voltage 12 KV

c) NIL (Impulse) 75 KV (Peak)

d) Power frequency withstand voltage 28 KV

In order to ensure the proper quality of the material utilized in erection

and construction works according to their scope, the following measures

have been adopted:

3. Details of material for 11 KV overhead line , Underground cable line and OFC:

The Tentative Bill of material is given as per Schedule of Prices has been

provided. The quantities worked out here are only tentative. The

Contractor shall work out actual requirement and get it approved from

the Engineer-in-Charge

Meteorological Data is as per Annexure-I.

4. Bolts, Nuts &Washers: 4.1 All Bolts and Nuts shall conform to IS:1363-1967 (amended to-

date) or equivalent to IES Standard. All Bolts and Nuts shall have Hexagonal head Nuts, the heads being forged out of the solid steel rods and shall be truly pen centric and square with the shank, which must be perfectly straight. Small Nuts & Bolts both shall be fully threaded whereas long bolts shall be partially threaded.

4.2 Steel Items: All steel items shall be conform to IS:2062 Grade-A (amended

to date) or equivalent to IEC Standard.

B. Overhead 11 kV and LT lines:

1 Normal Span:

The normal running of the line shall be under the ground in accordance with IS 1255 (1983) with latest amendments. But in case the overhead

line is required to be erected in exceptional circumstances then the span length should be approx. 60 Mtrs. For 11 KV Line with ACSR ; 40 Mtrs.

With XLPE Cable and 60 Mtr. for LT line in the project area with following specifications.

1.1 Wind Span:

The wind Span is the sum of two half spans adjacent to the support under consideration. For normal horizontal spans this equals to normal

running span.

1.2 Electrical Clearances:

1.2.1 Ground Clearances:

The minimum ground clearances from the bottom conductor shall not be

less than 5.125 meter at the maximum sag conditions i.e. at maximum

temperature and still air.

Any LT/HT/Telecommunication line falling around of new 11 kV line should

have enough clearances as prescribed in I.E. rules, 2005 & its amendments

applicable in this respect.

1.2.2 For river crossing, the minimum electrical clearance including ground clearance will be the same as for normal poles.

1.3 Conductor and Earth Wire Configuration:

The three phases shall be in triangular formation. The phase to phase

spacing shall not be less than 1.070 Mtr.

2. Excavation & Erection of Poles:

2.1 The Pits for the Poles are to be excavated in the direction of the line, as this

will facilitate the erection of pole and given internal stability. The depth of

the foundations to be excavated for the poles shall be approximately 1/6th

of the Pole’s length. The alignment of the Poles are to be set right and

the earth filling will be done after checking the alignment vertically and

earth will be rammed afterwards properly.

2.2 H Poles are to be erected on almost 10th location when the line is going

straight and it is also to be provided wherever there is an angle of

deviation in the line. When the angle of deviation is >60°C, 4 pole

structures will be provided. In case of angle H-Pole, the pits are to be

excavated along the bi-section of the angle of deviation. It will be

ensured that the poles are held in vertical position and earth is filled in

the pits and proper ramming is done so that pole remains in proper

position. On every H-Pole,4 stays are to be provided along the line i.e. 2

on each direction and in addition two more stays along the bi-section of

the angle of deviation are to be provided as required depending upon the

site conditions as per the drawings attached with the specifications.

2.3 The stays will be provided at all dead end locations, angle locations

and T-Off

points and also on normal locations as wind stays to counter the pressure

of the winds. Normally every fourth pole of the line shall be provided with

two wind stays one on either side of the pole. The angle of the stays will

be generally kept on 30 to 45 degrees depending upon the tension and the

location of the line. Every stay shall be provided with 11 KV Disc Insulators

as per drawing.

2.4 Earthing shall be provided on every 4th pole as per the design

attached here to in addition to the continuous Earth Wire. H-pole

structures will be provided with 2 No. earthings.

2.5 Number plate shall be provided on each location indicating

the No. of Structure S1, S2 etc. 2 pole and 4 pole structures will be

numbered both for structure Nos. as well as H-Pole /4-pole marking. For

example if Ist H-pole appear at Structure No. 10, plate will be denoted as

S-10/H-1.Similarly,ifIst 4-pole appear at structure No. 25, the same will be

denotedbyS-25/4P-1&so on.

2.6 All unpainted /Un-galvanized iron sections like Channel, Angle/Clamps Stay

sets etc. shall be given 2 coating of Red Oxide before installation to

prevent rusting. To avoid rusting anti-corrosion aluminium paint shall

also be provided.

3 One set of 11 KV lightning arrestor shall be provided within 3 KM area.11

KV G.O. Switch shall be provided on the terminal structure near the grid

S/Station & at the interconnection point with existing feeder to facilitate the complete isolation of the line.

4. Handling of Conductor and Earth Wire:

4.1 The Contractor shall be entirely responsible for any damage to

the poles, insulators and conductors during transportation & stringing.

While running out the conductors, care shall be taken that the

conductors do not touch or rub against the ground or objects, which

could cause scratches or damages to the strands. The conductors shall

be run out of the drums from the top in order to avoid damage due to

chaffing.

4.2 The stringing blocks shall be suspended in a manner to suit the design of the X

arms. Proper T&P shall also be made available to the Employer by

the Contractor for checking the tensions in the guy wires. The drums

shall be provided with a suitable braking device to avoid damages,

loose running out and kinking of the conductor. The conductor shall be

continuously observed for loose or broken strands or any other damage.

When approaching end of a drum length at least three coils shall be left

when the stringing operations are to be stopped. These coils are to be

removed carefully and if another length is required to be run, a joint

shall be made as per the recommendations of the

manufacturers.

4.3 Repairs to Conductors if necessary shall be carried out during the running out

operations with repair sleeves. Repairing of Conductors surface shall be

done only in case of minor damage scuff marks etc. keeping in view both

electrical and mechanical safe requirements. The final conductors shall

be cleaned smooth and without any projections, sharp points cuts,

abrasions.

4.4 Conductors Splices shall be made so that they do not crack or get damaged in

the stringing operations. The Contractor shall use only such

equipment/ methods during Conductor stringing which ensures

complete compliance in this regard.

4.5 Derricks shall be used where roads, rivers, channels, telecommunications or

overhead power line, railway lines, fences or walls have to be crossed

during stringing operations. It shall be seen that normal services are

not interrupted or damage caused to property. Shut down shall be

obtained when working at crossing of overhead power lines as per

para 4.8. Contractor shall be responsible for proper handling of the

Conductor. Earth wire and accessories in the field.

4.6 The sequence of stringing of Conductors/Earth wire shall be from top to

downwards i.e. conductors will be run out in succession & earth wire will

be strung in the last.

4.7 The proposed 11 kV power lines may run parallel for certain distance with the

existing power lines, which may remain energized during the stringing

period.

As a result there is a possibility of dangerous voltage build up

due to electromagnetic and electrostatic coupling in the pulling wire,

conductors and earth wires which although comparatively small during

normal operations can be severe during switching. It shall be

Contractor’s responsibility to take adequate safety precautions to

protect his employees and others from this potential danger.

4.8 The Contractor shall inform the Engineer whenever he wants to avail the

‘Permit to Work’ from the local sub-division for erecting the new 11 kV line

or augmenting the existing 11 kV line. A minimum 48 hours advance notice

in writing for availing the shutdown on any live 11 kV feeder/LT lines shall

be given to the Engineer. The 11 kV/ LT line on which permit is taken

should be made clear from all the temporary earth, men and

material before cancellation of the ‘Permit to Work’. It is worth

mentioning here that the ‘Permit to Work’ on existing line shall be

arranged through the Engineer or his representative and the same shall

also be got cancelled through the same agency only. No ‘Permit to

Work’ shall be issued on any line directly to

Contractor or his staff from any 33 kV or 66 kV Sub-Station.

5. Stringing of Conductor & Earth Wire:

5.1 The stringing of conductor shall be done by standard stringing method.

5.1.1 After being pulled the Conductor/Earth wire shall not be allowed to hang in

the stringing blocks for more than 6 hours before being pulled to the specified

sag.

5.1.2 Conductors creep in respect of ACSR 50 mm2 Conductors are to be

compensated by over tensioning the conductor at a temperature of

21°C or lower during stringing.

5.1.3 The bidder shall give complete details of the stringing method, which

he proposes to follow. Before the commencement of stringing the

Contractor shall submit the stringing charts for the Conductor and Earth

wire for various temperatures and spans along with equivalent spans to

the Engineer for the approval of the Employer.

5.2 Sagging in Operation:

5.2.1 The Conductor shall be pulled up to the desired sag and left in running

blocks for atleast one hours after which the sag shall be re-checked and

adjusted if necessary before transferring the Conductor from the

running blocks to the polymeric insulators. The conductor shall be

clampedwithin36hoursof sagging.

5.2.2 The sag will be checked in the first and the last span of the section in case of

sections upto 8 spans and in one intermediate span also for sections with

more than eight Spans. The sag shall also be checked when the

Conductor have been drawn up and transferred from running clocks to

the insulators.

5.2.3 The running blocks when suspended from the structures for sagging shall be

so adjusted that the Conductors on running blocks will be on the same

height as a 11 KV Insulators to which it is to be secured.

At sharp vertical angle, the sag and tensions shall be checked on both

sides of the angle, the conductor wire shall be checked from the

running blocks for equality of tension on both sides.

5.2.4 Tensioning and sagging operations shall be carried out in calm weather when

rapid changes in temperature are not likely to occur.

5.3 Tensioning and Sagging of Conductor and Earth Wire:

The Tensioning and Sagging Operations shall be done in accordance with

the approved stringing chart before the Conductor and Earth wire

are finally attached to the poles through the earth wire clamps and

insulators for the Conductor. The relevant stringing charts for the

Conductor and earth wire should be employed for this purpose.

I) In case of availability of space, in the Control Room, for the

installation of only one 11 kV breaker panel & more than one

feeder are to be emanated from the concerned sub-station, the

11 kV breaker panel incoming type shall be installed which shall

cater to the requirement of one or more than one outdoor type

VCBs (kiosk). The 11 kV HT supply shall be extended through

11 KV underground cable.

II) A- Back Filling of Pits :

a) All the locations, (with following exceptions), the pits after

erection of poles shall be back filled with excavated or

borrowed earth in layers taking care to ram the earth in one

layer at a time to the satisfaction of site-in-charge.

b) For all the failure containment structures, described

earlier & repeated below, the pits shall be hack filled with

excavated / borrowed earth and broken bricks (Jhama) back

properly rammed to the satisfaction of site-in-charge.

i) At some the tapping points & dead end poles

ii) At all the points where DT is to be installed.

iii) At all the points as per REC construction dwg. No. A-10 (

for the diversion angle of 10-60 degree).

iv) At the distance of 1 km max. from the last Jhama filled

pole structure.

v) Both side poles at all the crossing for main road, nallaha

railway crossings etc.

vi) Al DP structures.

Tapping points & roads where the failure containment

structures is to be erected shall be decided during detailed

engineering.

c) The cost of backfilling including all material /borrowed

earth/Jhama etc. is deemed to be included in the quoted price.

The above clauses shall be read in conjunction with Clause

given below: B- Foundation & Pole Erection:

a) The foundation of poles shall be of the following types:-

i) Foundation back-filled and rammed with excavated soil and

brick batting for 200 Kg. PCC Poles.

ii) Foundation back-filled and rammed with excavated/borrowed

soil.

b) The Type of foundation for individual poles shall be decided

during detailed engineering. The bidder shall quote their rates

as per the quantity of both types of foundations indicated in

the BPS. The pole erection rate shall include excavation

in all types of soil/rock, back-filling of the foundation pole

as specified, cost of all materials, labour etc.

c) Foundation back-filled and rammed with excavated soil and

brick-batting for 200 Kg, PSC poles - The foundation pit of

the pole should be of size 600 mm x 500 mm x depth. The

base of the foundation shall be either of PCC (1:2:4) of size

400 x 400 x 70 mm or a stone plate of size 400 x 400 x 35

mm duly backfilled as explained in clause above.

d) Foundation back-filled and rammed with excavated / borrowed

soil and brick batting for 200 Kg. PSC Poles. The

foundation pit of the pole should be of size 600 mm x 400

x depth. The base of the foundation shall be either of PCC

(1:2:4) of size 400 x 400 x 70 mm or a stone plate of size

400 x 400 x 35 mm, duly back-filled as explained in clause

above.

e) It is envisaged that 11 kV line may be traversing marshy & low

laying area for which special type of foundation shall

be required. In such a case, difference in excavation

quantity, concreting & reinforcement between special

foundation and normal foundation shall be part of the

package.

f) Erection of Poles: The poles are to be erected in alignment

with utmost care. The poles shall then be lifted to the pit

with the help of wooden supports. The pole shall then be

kept in the vertical position with the help of 25 mm (min.)

manila ropes which shall act as the temporary anchor. The

verticality of the pole shall be checked by spirit level in

both longitudinal & transverse directions. Once, this is

done, the back filling/ concreting shall be done in the pit.

The temporary anchor shall be removed only when poles set

properly in the foundation.

C- Erection of Stay Sets:

The Contractor shall install the stay set complete in all respect.

This includes excavation of pit size 0.5 m x 0.5 m x 1.6 m in all

kinds of soil including laterite/ hard rocks. Stay plate and rod

(leaving the top 10 cm) shall be embedded in the pit with PCC in

the ratio 1:2:4 (the volume of PCC shall be 0.5 m x 0.5 m x 0.8 m

).The rest(upper half) of the pit shall be filled with excavated soil

duly compacted layer by layer. An angle between 30 to 45

degrees shall be maintained between stay wire and the pole.

The stay wire shall be used with a stay insulator at a height of

5 m above ground level with G.I. turn buckle.

Stay set shall be grouted as per drawing No. PGCIL/RE/Stay-Set.

C: Laying & installation of 33 kV, 11 KV and LT under ground cables.

The laying of the cable shall be carried out in accordance with the IS

1255 (1983): Code of practice for installation and maintenance of power cables

up to and including 33 kV rating, with latest amendments, and IS 3043 –Code of

Practice for earthing, with latest amendments, and Nigam’s latest instructions

available on the website www.dhbvn.org.in.

The cable installations should be carried out to meet the requirements

of the Indian Electricity Rules 2005 with latest amendments, Indian Electricity Act

2003, with latest amendments, and other regulations in force and necessary checks

or tests should be carried out prior to commissioning for compliance with such

rules and regulations. It is also necessary to consult the local authorities such as

HUDA/ MCG, other public utilities responsible for roads, railways,

telecommunications, sewerage, gas and water supply besides other private

developers responsible for maintenance in their areas. The cable installations

should be carried out by competent and authorized persons only.

1. Selection of route:- While selecting the route the following guideline may

be kept in view:-

(a) The route should be away from parallel running gas, water pipes &

telephone/telecommunication cables etc as far as possible.

(b) The route should be selected in such a manner that involves minimum

obstacles such as roadway crossing, railway crossing etc.

(c) If possible the cable should be laid along the footpath rather than the

carriage way.

(d) The cable route should not involve sharp bends.

2. Methods of cable laying:-

(a) Laying direct in the Ground: - The cables shall be laid direct in the

ground after manaual digging, under proper protective covers.

(b) Laying In Pipes: - At railway crossing, road crossing etc the cable

should be laid primarily through trenchless boring and in HDPE pipes. In

some circumstances, the laying of cable direct in ground for road crossing

may be allowed for which the contractor has to seek the approval of the

respective civic authorities and pay any charges thereof, which shall not

be reimbursed by Nigam. No extension of time in case of delay due to

this account will be allowed.

(c) Laying on Racks: - Inside the buildings, Industrial plants, S/Stns. &

tunnels, cables may be laid on racks fixed to the wall or supported from

the ceilings, with the approval of Engineer in charge.

(d) Laying in Trench: - In exceptional circumstances, In an inhabited area

& highly protective area like airport, grid S/Stn. switch yard, Hospital,

School & other military installation, the cable may be laid in covered

trenches, with the approval of Engineer in charge.

3. Installation Procedure :-

(a) While laying direct in the ground, the cable should be laid on a bedding of

minimum 75 mm riddled soil or sand & covering it with additional riddled soil or

sand of minimum 75 mm & Protecting it by means of RCC slabs, as per the

drawing provided in the tender documents.

(b) The minimum depth of laying from the ground surface to the top of the

cable is as follows, however the drawings enclosed in this regard shall be

followed:-

11 KV cable – 0.9 meter

33 KV Cable – 1.05 meter

LT Cable and control cables – 0.75 meter

Cables at road crossings – 1.00 meter

Cables at railway level crossings (measured from the bottom of

sleepers to the top of pipe) – 1.00 meter

The depth may vary as per the site conditions for which the

contractor will seek approval from the Engineer in charge.

(c) The minimum clearance are as follows:-

• Power cable to control cable – 0.2 meter.

• Power cable to communication cable – 0.3 meter.

• Power cable to Gas/Water main – 0.3 meter

• Power Cable to Power cable – clearance not necessary, however, larger the

clearance better would be current carrying capacity.

(d) The diameter of the cable conduit or pipe or duct shall be at least 1.5 times

the outer diameter of the cable. Spare ducts for future extensions should be

provided. The spare duct runs should be sealed off.

(e) For identification of the route of U/G cable and safety of others/human

being the word “Power cable” should be marked on the protective covering of

RCC slabs, as per the drawings enclosed.

f) All the other materials like coarse and fine aggregate sand, joint markers,

sealing, identification strips/ tags of metal or plastics, route markers, cable

support clamps, terminals and inline connectors, sealing compounds etc.,

whether specifically mentioned or not in these specifications are deemed to

have been included in the scope of supply and installation. These shall have to

be got approved by the contractor from the Engineer in charge before use.

Similarly, the contractor has to arrange for all the tools and plants and

machinery required for the works at his own cost.

g) Identification strips/ tags of metal or plastics should be attached to the

cables, particularly if several are laid in parallel, 8 to 10 m apart. Identification

tags should also be attached at every entry point into the buildings and at the

cable end terminations.

h) A bedding of riddled earth or river sand should be provided and protective

cable warning tapes should be used. Instruction to back fill the trench should

not be given until the entire length is protected by cable cover and checked.

i) The precautions to be taken while laying in ducts by taking care against

abrasions during pulling; proper alignment of duct; precautions against damage

to cable at duct entry positions etc.

4. Earthing and bonding:The metal sheath, metal screen (if any) and armour

of any cable should be efficiently earthed at both ends in accordance with IS 3043

with latest amendments.

5. Testing:The testing and electrical measurements of cable installations shall

be carried out at various stages of laying/ installations as given in IS 1255 with latest

amendments. The test of the completed installation may be measured and entered

into record book for comparison purposes during service life of cable installation and

during fault location.

6. Cable installation plan :Cable installation plan should be prepared in

accordance with the clause 15 of IS 1255 which should contain the details of

installation such as –type of cables, cross section area, rated voltage, cable number

and drum number; year and month of laying; actual length between joint-to-joint or

ends; location of cables and joints in relation to certain fixed reference points; date of

making the joint; results of original electrical measurements and testing on cable

installation.

7. Distribution Transformer, RMU and LT Feeder panel Installation:

The conventional type DTs alongwith RMUs and LT feeder panels are to be installed

at various locations for stepping down the voltage to LT level, to connect feeders in

Ring formation, to provide various LT circuits for extending the supply to the

consumers. The DTs, RMUs and LT feeders panels are to be erected on the RCC

plinths only. The tentative design has been provided in the tender documents,

However the contractor shall have to get the design and drawings of RCC plinths and

cable connectivity approved from the Engineer in charge before erecting. The fencing

of the DTs alongwith the RMUs and LT feeder panel shall also be carried out by the

contractor making sure that the clearances as per the IE Rules and IE Act are

maintained and make sure that the installation in totally safe for the public. All the

equipments shall be properly earthed with GI strips. The fencing shall also be solidly

earthed with GI strips with the earthing provided for the DT and RMU etc installation.

The earthing shall be as per the Nigam’s drawing.

8. Work area fencing: The work of laying the underground cable require a lot

of digging along the roadside pavements, therefore it is mandatory that the dug up

work area is temporarily fenced with proper warning indications for day time and also

for night time with lighting for the safety and convenience of the people moving

around the work area.

9. Watch and ward and safety: The dug up trenches/ pits may prove hazards

to the public if left unguarded, therefore, it is mandatory that the contractor will

ensure that all the dug up areas are guraded 24X7 for the safety of the public. Any

mishap to anything or anybody due to the negligency of the contractor on this aspect

shall be to the contractor’s account.

10. Miscellaneous:

i) All unpainted /Un-galvanized iron sections like Channel,

Angle/Clamps Stay sets etc. shall be given 2 coating of Red Oxide

before installation to prevent rusting.To avoid rusting anti-corrosion

aluminium paint shall also be provided. The steel items shown in the BOQ

are in MT therefore the manufacture of the steel items shall be done only

after getting the drawings approved.

ii) One set of 11 KV lightning arrestor shall be provided within 3 KM area,.

iii) The proposed 11 kV power lines may run parallel for certain

distance with the existing power lines, which may remain energized

during the laying period. As a result there is a possibility of

dangerous voltage build up due to electromagnetic and electrostatic

coupling in the pulling wire, conductors and earth wires which although

comparatively small during normal operations can be severe during

switching. It shall be Contractor’s responsib ility to take adequate

safety precautions to protect his employees and others from this

potential danger.

iv) The Contractor shall inform the Engineer whenever he wants to

avail the ‘Permit to Work’ from the local sub-division for erecting the new

11 kV line or augmenting the existing 11 kV line. A minimum 48 hours

advance notice in writing for availing the shutdown on any live 11 kV

feeder/LT lines shall be given to the Engineer. The 11 kV/ LT line on

which permit is taken should be made clear from all the temporary

earth, men and material before cancellation of the ‘Permit to Work’.

It is worth mentioning here that the ‘Permit to Work’ on existing line shall

be arranged through the Engineer or his representative and the same

shall also be got cancelled through the same agency only. No ‘Permit

to Work’ shall be issued on any line directly to Contractor or his staff

from any 33 kV or 66 kV Sub-Station.

v) Necessary consent shall be obtained from the concerned authorities

while laying U/G cable across railway, roads and water-pipe lines.

11. Final Checking, Testing and Commissioning:

After completion of Works, final checking of lines shall be done by the

Contractor to ensure that all the Foundation Works, equipment erection and

cable laying etc has been done according to specifications and as approved

by the Employer. All the Works shall be thoroughly inspected keeping in view

the following main points.

a) The earth filling of the dug out cable trenches has been properly done with adequate compacting.

b) The restoration of the dug out roads, streets, ramps etc have been properly carried out into the original condition.

c) All the cable out points from the ground have been properly secured by way of

using clamps/ cleats/ fasteners/ or any other suitable installation etc, after getting the design approved.

d) All the RCC markers have been properly planted with desired inscription.

e) The insulation of line as a whole is tested by the Contractor by providing his own equipment, labour etc. to the satisfaction of Employer.

f) All the electrical equipments have been properly earthed to the satisfaction of

employer. g) All conductor and earth wire accessories are properly installed. h) All other requirement to complete Work like fixing of danger plate, phase

plate, number-plate, anti-climbing device (if applicable) etc. are properly installed.

i) The lines are tested satisfactorily, for inspection, by the Chief Electrical Inspector, Haryana, before commissioning.

Laying of Optical Fibre Cable (OFC)

This section describes the installation procedures and methods including survey, clearances, excavation of trenches and pits, trenchless digging, installation of PLB HDPE pipes, installation of RCC hume pipes and GI Pipes, marking, backfilling, installation of underground cable, construction of manholes, splicing, termination and site acceptance testing requirements of the underground fibre optic cabling system.

This specification is applicable for underground optical fibre installation work and some

miscellaneous works to be executed inside city/town. The quantities indicated in the BoQ

are indicative only and the final quantities against individual items will be approved by the

Employer after detailed survey and depending upon the site condition.

The OFC are to be laid in the same path and trench proposed for power cables.

The guidelines for laying the underground cables mentioned above shall also be applicable

to the laying of the OFC underground, wherever applicable.

1. Installation of PLB HDPE Pipe

One PLB HDPE pipe shall be laid at bottom of the trench after making the surface smooth

and providing 80 mm of sieved, stone free sand bedding. After laying the pipe additional

sieved sand shall be added to increase the height of the sand layer to a total of 200 mm hence

positioning the PLB HDPE pipe in the middle of the layer. Other important steps are

described as under:

a. PLB HDPE Pipe shall be laid in a flat bottom trench free from stones, sharp edged debris.

b. The Pipe shall be placed in trenches as straight as possible. Minimum bending radius of pipe

and fibre optic cable shall always to be taken into account.

c. The ends of pipes shall always be closed with end plugs to avoid ingress of mud, water or

dust i.e. all pipe opening shall be sealed to avoid entry of foreign material.

d. The pipes shall be joined tightly & properly through plastic couplers and the joint shall be

smooth and free from steps. The joints shall be made properly so that it passes the duct

integrity test specified in this section. All joints shall be assembled with proper tools only.

e. Coupler shall not be placed along the bend portion of the pipe

f. Cable sealing plugs shall be provided at all manhole locations and at locations cable is

coming out of the pipe and empty pipe ends i.e. all pipe openings shall be sealed to avoid

entry of foreign objects.

g. PLB HDPE pipes shall be installed in a manner that fibre optic cable can be pulled, blown,

de-blown without damaging the fibre optic cable due to stresses.

The Contractor shall all joints inspected before carrying out the backfilling, by a

representative of Owner/Employer. Joints shall be visually inspected and checked for

tightness.

2. Manholes

Manholes shall be provided at every proposed and future joint location to house Joint Box

and Optical Fibre cable service loops. The location for Joint boxes shall be decided during

survey and detailed engineering. There can be three types of construction of manholes

depending upon the location of the manhole. Each type of construction of manhole can be

of two sizes (heights) depending upon the utility. Where the manholes are placed on the

footpath or where heavy vehicular movement is not expected, manhole with brick masonry

wall (wall thickness min. 225mm and inside dimension 1000mmx1000mm square, inside

wall 12mm cement plaster with 1:4 mix) can be constructed. However, in case the manhole

is required to be constructed at the middle of the road or where heavy vehicular movement

is expected, the manhole shall necessarily be of RCC construction. Such manhole shall be

pre cast RCC Cylindrical pipe (spun concrete) with minimum wall thickness of 80mm and

shall include Φ8mm or more steel reinforcement. The base of manhole in all types shall be

minimum 80mm thick PCC and minimum internal diameter shall be 1000 mm. In case the

base is constructed as integral part of the pre cast RCC cylinder, the base shall also be RCC.

Height of the manhole, where joint boxes are to be kept, shall be of 1100 mm height.

Manhole for keeping service loops of OFC shall be of minimum 400mm height. The cover

shall be pre cast RCC, minimum 50mm thick. However, for easy handling purpose, the cover

is to be constructed with suitable arrangement for lifting. The top of manhole should be

flushed with the ground level. Manholes type approved by the Employer shall only be

acceptable. Manhole shall be designed as per the typical drawing enclosed at Annexure-I.

The manhole shall have two holes in each four perpendicular directions for PLB HDPE pipe

entries and exits. Fixtures for placing cable and spliced Joint Box inside the manhole shall be

provisioned. The joint box shall be mounted vertically on the wall of the manhole. The

contractor shall carry out the required excavation and backfilling for the construction of the

manhole. All PLB HDPE pipe entries, cable entries and holes shall be properly sealed.

The Contractor may propose double walled “Annual ring shaped conical manholes” meeting

all the requirements of the manhole specified above. The assembly of conical manhole shall

be made by using pre-cast steel (rod or wire-mesh) reinforced Concrete elements, which

consists of annular rings different height and diameter (within permissible diameter range

of conventional manhole manhole as specified above) placed over each other. Manholes

type approved by the Employer shall only be acceptable. For installation of PLB HDPE pipe

or trenchless digging or blowing of OFC, at times there might be requirement of providing

temporary manhole or hand holes. No separate payment shall be admissible for such

manholes or handholes and shall be deemed to be inclusive in the overall scope of work by

the Contractor.

If required, as per the advice of the Employer, manholes shall also be installed along the

existing installed PLB HDPE pipe routes to house joint boxes and cable service loops. Due

care is to be taken so that the existing PLB HDPE pipe and OFC does not get damaged while

placement of new manhole.

3. Installation of GI pipe:

The GI pipe of nominal bore of minimum 100 mm shall be laid wherever road crossings,

bridge crossings, railway crossings are encountered on the route as well as on wall/floor

crossings in a building. PLB HDPE pipe shall be inserted into GI pipe. Whenever it is not

possible to install the FO cable underground due to non availability of the right of way or

any other unavoidable reasons, the HDPE ducts along with FO cable shall be installed in GI

pipe on the wall inside the sewerage pipe and or on the existing rock/concrete/brick

wall/surface with suitable fixing arrangement and concreting, if necessary, with specific

approval of the Employer in case to case basis. The GI pipe shall conform to at least medium

class and conform to IS: 1239 (Part –I). In regard to bridge and culvert crossing, GI pipe may

be installed by concreting the GI pipe along the bridge or by using supporting brackets or by

laying underneath the existing footpath etc. The PLB HDPE pipes shall be installed through

this GI pipe. Wherever underground fibre optic cable is required to be spliced to overhead

fibre optic cable using the outdoor FODPs/Joint Boxes installed on towers, GI pipes shall be

used to protect the portion of the cable/duct upto a height of about 6 to 10 meters and

shall be extended in the ground up to suitable depth of the trench so that minimum

bending radius of the cable is maintained. The GI pipe shall be properly clamped/ fixed on

the tower leg. The Contractor shall supply and install all necessary accessories as part of the

installation work.

The Contractor shall propose the exact methods and procedures for implementation of

crossings taking into consideration the following guidelines, for approval by the Employer:

a. The GI pipe shall be extended at least 5 meters on each side of crossing subject to availability of space and approval of the Employer.

b. Two GI pipes shall be joined using proper tools, sockets and accessories etc. c. Proper arrangements shall be made to seal the ends of GI pipe after installation of PLB

HDPE pipes. d. Minimum bending radius of optical fibre cable shall always be taken into consideration. e. 1:2:4 concrete shall be used for encasing of the GI pipe, wherever required. f. The floor of the trench shall be levelled by laying at least 50 mm of soft soil or sieved sand

before installing the GI pipe. g. The GI pipes shall be supplied in standard lengths of 6m or as approved by Employer. h. The GI pipe shall be sealed at both ends. i. The GI pipe of suitable length shall be provided at road crossings, bridge crossings, railway

crossings encountered on the route as well as on wall/floor crossings in a building and also for protection of fibre optic cable at tower/pole mounted joint boxes.

4. Installation of RCC hume pipe:

Minimum inside diameter 100 mm, NP3 RCC hume pipe shall be laid wherever river, nallah

crossing encountered on the route. The RCC pipe shall conform to IS:458. PLB HDPE pipe

shall be inserted into RCC hume pipe. The Contractor shall propose the exact methods and

procedures for implementation of crossings taking into consideration the following

guidelines, for approval by the Employer.

a. The RCC hume pipe shall be extended at least 5 meters on each side of river, nallah subject to availability of space and approval of the Employer.

b. Two RCC hume pipes shall be joined using RCC collar and properly cemented. c. Proper arrangements shall be made to seal the ends of RCC hume pipe after installation of

PLB HDPE pipes. d. Minimum bending radius of optical fibre cable shall always be taken into consideration. e. 1:2:4 concrete shall be used for encasing of the RC pipe collars, wherever required. f. The RCC hume pipes shall be supplied in standard lengths of 2m or as approved by

Employer. g. The RCC hume pipe shall be sealed at both ends. 5. Underground Fibre Optic Cable Installation

The cable shall be installed inside one of the 40mm diameter PLB HDPE pipe installed under

this package along the route(s). Generally the cable shall be installed by compressed air

blowing technique. However, for spans upto 150 meter, the Contractor can use pulling

method for installation of OFC in HDPE pipe. If any temporary manhole or handhole is

required for installation of OFC, the same will be done by the Contractor without any

additional cost implication. Adopting pulling method for installation of OFC for spans more

than 150 meter, shall be subjected to approval of the Employer and shall be substantiated

by proper justification. Contractor shall take into consideration the following guidelines, for

installation of OFC approval by the Employer.

a. The Optical Fibre Cable Drums shall be handled with utmost care. The drum shall not be subjected to shocks by dropping etc. They shall not be normally rolled along the ground for long distance and when rolled, shall in the direction indicated by the arrow. The battens shall be removed only at the time of actual laying.

b. A blowing machine in association with an appropriate compressor shall be used for blowing. c. Temporary blowing chambers (if required) shall be constructed and then backfilled after

blowing operation is completed. d. Locations along the route, which provide easy access points for blowing machine and

compressor, shall be determined. e. Before starting the cable blowing, PLB HDPE pipe shall be checked for obstacles or damage.

Checking shall be done by using a proper sized mandrel. f. Always blow downhill wherever possible. g. Multiple blowing machines may be used in tandem if so required. h. Care must be taken not to violate the minimum bending radius applicable for the fibre optic

cable. Tension in the cable during laying shall not exceed tension limit of the OFC.

Installation by pulling may be permitted by the Employer only in specific cases where

installation by blowing is not feasible on specific approval from the Employer. In case pulling

is used, the pulling speed shall be determined considering the site condition.

While installing the cable, excess length of about 10 meters shall be stored at each joint

location for each side. Excess length of 10 m shall be kept at one ends of a road crossing,

culvert crossing and 20 meters at one end of bridges, However, exact excess lengths and

manhole locations shall be finalised during detailed engineering depending upon the site

requirement.

6. Trenchless Digging

Trenchless technology is the science of installing, repairing or renewing underground pipes,

PLB HDPE pipes and cables using trenchless techniques, which minimise or eliminate the

need for excavation. Trenchless (also called “No-Dig”) techniques can reduce environmental

damage and social costs, and at the same time provide an economic alternative to open

trench methods of installation, renewal, and repair.

It is envisaged that trenchless digging shall be used in short section for crossing National

highways, important road or rail crossings etc. Trenchless digging shall be used where the

concerned authorities do not permit open cut method and it is essentially required to carry

out for installation of HDPE pipe. The Bill of Quantity (BoQ) for various trenchless digging

requirements is defined in the Appendices, however, the actual quantities shall be finalised

based on the actual requirement.

7. Contractor’s Scope of Work for Trenchless Digging

The Contractor’s scope of work under this contract shall include, but shall not be limited to,

the following:

(a) Survey of the approved routes for installation of PLB HDPE pipe by trenchless digging. (b) Obtaining statutory clearances from regulatory bodies, statutory bodies such as

municipality, highway authority, electrical utilities, forest department, gas authorities etc. on behalf of the Employer/Owner.

(c) Identify, provide and transport all equipment to the locations along the route as per the requirement to install PLB HDPE pipe by trenchless digging method.

(d) Excavation and backfilling of entry and exit pits. (e) Detection and protection of existing underground facilities of other utilities along the route. (f) Installation of 40 mm PLB HDPE pipe along the specified route by trenchless digging method

and joining of PLB HDPE pipe by plastic coupler and sealing of PLB HDPE pipe at both ends by end plugs.

(g) Installation of manholes, termination of PLB HDPE pipes into the manholes and sealing of PLB HDPE pipes at the manhole entry as per approved drawings.

(h) Providing all plants, tools and tackles, consumables, marking and fencing required for the execution of the work as per the best engineering and safety practices.

(i) Maintain all lights, guards, plates, safety measures, sign boards etc. when and where necessary and/or required by the Owner/Employer or by any other statutory authority for the protection of works and/or for the safety and convenience of the public or the workers at the installation sites.

(j) Arrange electricity by arrangement of generators or other means at the site wherever required.

(k) Arrange construction water at the sites. (l) Intimation to road maintenance agency, traffic police, other concerned utilities as

necessary. (m) Testing and inspection of installed PLB HDPE pipes and manholes.

Rectifications, redigging and re-installation of PLB HDPE pipes in case of problem during

testing and fibre optic cable blowing/pulling.

8. Excavation and Backfilling

The Contractor shall carry out excavation and backfilling for the entry and exit pits in all

kinds of soil strata i.e. irrespective of the soil characteristics at all required installation sites

for laying PLB HDPE pipe by trenchless digging.

The excavation of pits shall be done at such places and times so that the obstruction to

pedestrian and vehicular traffic is minimum and as per the regulations by various

administrative authorities. The Contractor shall take due care and precaution during

excavation to avoid possible damage of other underground plants/facilities in the route and

shall indemnify the Owner/Employer for all damages and the Contractor shall be solely

responsible for all the damages and losses. The Employer/Owner shall not be liable for any

damages/losses. The positions of the entry/exit pits shall be matched with the required

manhole locations for easy installation of manholes and easy termination of PLB HDPE pipes

inside the manhole. The entry and exit depth of PLB HDPE pipes shall be about 1.5 m in

normal soil.

After installation of PLB HDPE pipes and manholes, the backfilling of the entry and exit pits

shall be done. Backfilling shall normally be done with the excavated soil, unless it consists of

large boulders/stone in which case the boulders/stone shall have to be broken to a

maximum size of 80mm. The backfilling should be clean and free from organic matter or

other foreign material. The earth filling is done with a suitable mount to allow for any

shrinking of soil at the later date. In case of regular footpath, temporary reinstatement shall

be done after backfilling. The left out earth if any has to be disposed by the Contractor to a

suitable location as indicated by authorities at his own cost.

Final inspection of the backfilling shall jointly be done by the Contractor and

Employer/Owner after the backfilling is completed and the Contractor shall rectify the

defects, if any, without any cost to the Employer/Owner.

9. Trenchless Digging

The Contractor shall use the suitable trenchless digging method depending on the actual site conditions, locations, soil characteristics, length of the digging etc. to complete all digging requirement. The trenchless digging shall be carried out at a depth not less than 1.65 m irrespective of the soil characteristics encountered at each site/route, however, in case of uneven surface the depth may still be higher. The Contractor may use the following trenchless digging methods for installation of PLB HDPE pipes:

(i) Manual/hand augering (ii) Impact Moling (iii) Horizontal Directional Drilling (HDD)

The BoQ does not specifically indicate the method of trenchless digging to be adopted, instead the BoQ indicates various spans for which the bidder may quote different rates depending upon the method of trenchless digging to be adopted. The exact method of installation shall be finalized and approved by the Employer before execution.

The final bore size of digging shall be sufficient enough to directly install 40 mm PLB HDPE pipe easily and without any problem.

Generally, the trenchless digging shall be carried out continuously along the approved

routes from manhole to manhole, however, long installation lengths can be achieved by

dividing the working length into shorter sections depending upon characteristics of

machines, soil/site conditions and permissions granted by the statutory authorities.

If any existing utilities pipes are detected at the digging depth, the Contractor shall carry out

the trenchless digging at higher and adequate depth to avoid the damage of such existing

utilities and no extra payment shall be payable for digging at higher depths. Further, in case

the Contractor is required to make repeated attempts due to obstructions encountered, no

additional payments shall be released for aborted attempts.

The required dewatering shall also be carried out by the Contractor at required installation sites for proper installation of PLB HDPE pipes and the manholes, wherever required. The Contractor shall ensure minimum inconvenience to public during dewatering.

The installation of PLB HDPE pipes shall be done as linear as possible in order to achieve

smooth blowing/pulling of optical fibre cables through them. Bends, wherever unavoidable,

shall be smooth and shall not be exceed 20 degrees.

10. Installation of PLB HDPE pipes and manholes

After achieving the final and adequate bore size, the PLB HDPE pipe shall be installed in the bored holes from manhole to manhole or as directed by the Employer based upon the actual site requirement. The manholes shall also be installed after excavating the soil for the required depths and size. The bottom surface shall be properly levelled and compacted before installation of the manhole. The manhole cover top surface shall be flushed with the ground surface within city areas. The PLB HDPE pipes shall be entered inside the manhole by the holes kept for this purpose. Smooth entry of PLB HDPE pipes into the manholes within permissible bending angle shall be ensured by proper method and planning during installation of PLB HDPE pipes. After installation of manholes, the PLB HDPE pipes shall be properly terminated inside the manholes and PLB HDPE pipes shall be sealed properly at the manhole entry as per the approved drawing/procedure. The Contractor shall submit the exact sealing method for Employer’s approval.

PLB HDPE pipes shall be laid from manhole to manhole without any mid span joints. For

longer sections without having manholes in between, the PLB HDPE pipes shall be joined

properly with the plastic couplers. It shall be ensured that the PLB HDPE pipes are joined

properly for smooth blowing/pulling of fibre optic cable. However, mid span joining of PLB

HDPE pipes by plastic coupler may be allowed only under exceptional circumstances and

shall be done only after Employer’s approval. The manholes shall be installed as per the

approved plan.

The PLB HDPE pipes shall be installed in a manner that the FO cable can be pulled, blown, de-blown without damaging the FO cable due to stresses.

In case of sharing of trenchless digged bore with other utilities or nearby existing other

utility pipes/manholes, the manhole to be installed under this project and by the other

utility shall be staggered properly and the PLB HDPE pipes shall be terminated accordingly

as described above.

The PLB HDPE pipes shall be installed in a most possible straight way to avoid problems

during FO cable blowing/pulling. In case, the blowing/pulling is not achieved due to

improper PLB HDPE pipes installation, the Contractor shall rectify the problem and shall

reinstall the PLB HDPE pipes, if necessary, to ensure the smooth blowing/pulling. However,

no extra payment shall be made towards this rectification and reinstallation of PLB HDPE

pipes. The installed and re-installed PLB HDPE pipes shall be checked as described below to

avoid restriction or obstruction in FO cable blowing.

11. Acceptance Testing of PLB HDPE pipes

After installation of PLB HDPE pipes, the PLB HDPE pipes shall be checked over the whole

lengths in order to ensure integrity and its suitability during fibre optic cable

blowing/pulling. The installed PLB HDPE pipes shall be checked as per the requirements

specified in this section. In case of any problem, the Contractor shall rectify the same and

re-digging and/or re-installing of PLB HDPE pipes shall be carried out by the Contractor at no

additional cost to the Employer. After acceptance test, both ends of each PLB HDPE pipe

shall be again properly sealed.

The Contractor shall submit the exact method/procedure for the above tests for Employer’s

approval.

As Built Drawings/details

The Contractor shall submit the as built drawings for the whole route indicating the route, depth

of digging and manhole locations for easy maintenance of the installed system.

List of Drawings/documents required to be submitted for Employer’s approval

The Contractor shall ensure that the required drawings and documents are submitted well in time

to avoid any delay in approval and project execution. The following minimum drawings and

documents are required to be submitted by the Contractor for approval of the Employer:

a. Final Route Survey Report including manhole locations

b. The methods/procedures and the equipment/machines to be used for different types

of trenchless digging techniques

c. Bill of quantities for various items as per contract

d. SAT Reports

e. As built drawings

12. Optical fibre termination and Splicing

Termination and splicing of optical fibre cables is described in following sections.

13. Fibre Optic Distribution panels

At each location requiring the termination of at least one fibre within a cable, all fibres

within that cable shall be connectorised and terminated in FODPs in a manner consistent

with the following.

a. All fibre optic terminations shall be housed using FODPs provisioned with splice organisers and splice trays. All fibres within a cable shall be fusion spliced to pre-connectorised pigtails and fitted to the backside of the provided couplings. The pigtails and the fibres shall be stored and dressed neatly in the provided trays and holders. The pigtails/fibres shall be numbered using suitable ferrules.

b. Ground lugs shall be provided on all FODPs and the contractor shall properly ground all FODPs. The FODPs shall be properly fixed/grouted

to the floor and or with wall with better support. Necessary installation material for fixing

the FODP on wall or ground shall be provided by the Contractor

c. The location of FODPs rack shall be fixed by the contractor, with the Employer’s approval. d. Flexible protection shall be provided to the patch cord bunches going out from FODP to

another equipments. 14. Optical Fibre Connectors

FC-PC type connectors shall be used. Average loss of the FC-PC connectors shall not exceed

0.5dB.

15. Joint Box

The joint box shall be properly installed, assembled and sealed as detailed in specification

Installation and sealing of joint box shall be done according to the instruction manual

provided with the joint box. The following general criteria must be fulfilled.

(a) Fibre loose tube shall be placed safely inside the joint box and routed properly.

(b) Sheath shall be fully inside the joint box and FRP shall be properly fixed.

(c) Silica gel shall be placed inside the joint box before closing the box

(d) The sealing portion of the cable and joint box shall be filled before placing heat

shrinkable sleeves. Rubber gaskets may be placed according to the instruction manual, if any.

(e)The heat shrinkable sleeves shall be sealed with low flame of Hot gun till sealing liquid

properly melt and gripped. The cable entry ports being used for cable entry into the joint box

shall be sealed by heat shrink sleeves only for ease of installation and re-entry. The length of

the sleeves shall cover the full length of the cable entry port and ≥30mm length of the cable.

The joint box shall be fixed vertically on the wall of the manhole with the help of suitable

holding SS ring and nut bolt, arrangement keeping the cable entry point downwards.

However, under exceptional conditions where joint boxes are required to be placed in

manholes meant for keeping service loops, the same may be kept in horizontal position.

16. Optical Fibre Splices

Splicing of the optical fibre cabling shall be minimized through careful planning. It is important that

all splicing work be done under clean conditions. All required splices shall be planned to occur at

Joint location/manhole. All optical fibre splicing shall comply with the following:

a.All fibre splices shall be accomplished through fusion splicing. b. Each fibre splice shall be fitted with a splice protection sheath fitted over the final splice. c. For splicing of each fibre, every effort shall be made to minimise the bidirectional average splice

loss. d. All splices and bare fibre shall be neatly installed in covered splice trays. e.Average bi-directional splice loss at any particular splice shall not exceed 0.1dB but total bi-

directional average of all splices in a link shall not exceed 0.05dB. f. Fibre optic cable service loops as indicated in technical specifications shall be provided.

16. Splicing of fibres in existing Joint Box or FODP

In case it is required to do resplicing for rectification or splice new cable in an existing Joint

Box, it above stipulations for splicing shall be applicable. In such conditions, splicing of only

few fibres of the existing cables in the Joint Box with the new cable shall be done. For

working in existing Join Box/FODP, the Contractor shall take due care so that the traffic in

the balance fibres is not affected.

17. Service loops:

For purposes of this specification, cable and fibre service loops are defined as slack (excess)

cable and fibre provided for facilitating the installation, maintenance and repair of the optical

fibre cable system.

a. Outdoor Cable Service Loops:

At manhole chambers splices are installed with sufficient fibre optic cable service loops (as

mentioned in Technical Specification) such that the recommended minimum bend radius is

maintained while allowing for installation or maintenance of the cable to be performed in a

controlled environment at ground level. Optical cable service loops (excess cable) shall also be

provided at all crossings in manholes (as mentioned in Technical Specification).

b. Indoor Cable Service Loops:

At FODPs, Contractor shall provide at least three (3) metres of cable service loop. Service loops

shall be neatly secured and stored, coiled such that the minimum recommended bend radius is

maintained.

c. Fibre Units Service Loops:

For all fibre optic cable splicing, the cable shall be stripped back a sufficient length such that the

fan-out of fibre units shall provide for at least one (1) metre of fibre unit service loop between the

stripped cable and the bare fibre fan-out.

d. Pigtail Service Loops:

Connectorised pigtails spliced to bare fibres shall provide at least 0.5 metre of service loop

installed in the FODP fibre organizer and atleast one (1) metre of service loop to the couplings

neatly stored behind the FODP coupling panels.

e. Fibre Service Loops:

At least 0.5 metre of bare fibre service loop shall be provided on each side of all fibre splices.

The bare fibre service loops shall be neatly and safely installed inside covered splice trays.

18. Site Acceptance Testing (SAT)

The tests, checks, adjustments etc conducted by the Contractor prior to offering the

equipment/material for SAT shall be called Pre-SAT activities. During installation the Contractor

shall maintain proper record of measurements in approved format and shall be given to the

Owner/Employer (along with As Built drawing of the routes) for cross checking during SAT.

i) SAT for Excavation, Backfilling, Installation of Pipes, Manholes.

The tests shall include but shall not be limited to the following:

a. Depth Check: One sample every 200 mtrs, Contractor shall prepare a sample pit at a location

identified by the Employer. Depth of each item, warning tape, no. of warning bricks (if

applicable), pipes, cable etc. shall be measured. Depth shall be as per technical specifications and

shall correspond to recorded measurements.

b. Crossings: 10% of each type, visual inspection for checking conformance with drawings,

thickness of Concrete, RCC Hume Pipe and GI pipe.

c. Manholes: As per technical specifications.

After inspection the Contractor shall backfill and carry out other restoration work at no additional

cost to the Owner/Employer.

ii) SAT for Underground Fibre Optic Cable

SAT for optical fibre cable shall be carried out link by link from FODP to FODP. Prior to

installation, every fibre optic cable segment shall be tested for continuity and attenuation and

measurements shall be recorded. Test requirements are given in this document. Any discontinuity

or attenuation beyond permissible limits in any of the fibres has to be recorded and brought to the

notice of Employer.

Upon completion of a continuous cable path (FODP to FODP locations), all fibres within the

cable path shall be demonstrated for acceptance of the cable path. Test requirements are indicated

and in no case losses attributed due to other factors viz. extra splice, kinks, will be acceptable to

the limit determine by the following formula:

Max attenuation @ 1550nm: 0.21dB/km + 0.05dB x total no of splices + 0.5dB x connector

Max attenuation @ 1310nm: 0.35dB/km + 0.05dB x total no of Splices + 0.5dB x connector

Any increase in attenuation or step discontinuity in attenuation shall not be acceptable and shall

constitute a cable failure during installation. The Contractor shall have to either replace the

concerned cable span at its own cost or provide additional splicing, joint box and manholes

required to rectify the fault at its own cost. The fibre attenuation shall be tested again after

replacement or rectification of fault.

In case it is found that the splices are bad (loss is unacceptable as per approved test procedures),

the Contractor shall have to do re-splicing and provide new Joint Box wherever required at no

additional cost to the Owner/Employer. After re-splicing the end to end testing shall be repeated.

The splice testing requirements are indicated.

Fibre Optic Cable Pre-Installation Testing

Item: Description:

1. Physical Inspection of the cable assembly for damage

2. Optical fibre continuity and fibre attenuation with OTDR at 1550 nm

Fibre Optic Cable Splice Testing

Item: Description:

1. Per splice attenuation with OTDR (bi-directional average) at 1550 nm

2. Physical inspection of Joint Box for proper fibre routing techniques

3. Physical inspection of sealing techniques, weatherproofing, etc.

Fibre Optic Cable Commissioning Testing

Item: Description:

1. Fibre continuity and link attenuation (bi-directional) between FODP connectors at two ends for

each fibre at 1310 &1550 nm by OTDR

2. Fibre continuity and link attenuation (bi-directional) between FODP connectors at two ends for

each fibre at 1310 &1550 nm by Power Meter & Laser Source

3. Average splice loss (bi-directional) for each splices and average splice loss for the link by

OTDR at 1550 nm.

iii) SAT for Joint Box

All the joint boxes shall be physically inspected (visual) tightness checking of clamps and bolts,

heat shrink sleeves and proper installation in the manholes. In case the Employer finds the

workmanship of the installation of joint box to be poor, the Contractor shall make good the same.

Consumable, if any e.g. joint box sealing, heat shrink sleeves, required for rectification work

shall be provide by the Contractor at no extra cost to Employer/Owner.

iv) SAT for PLB HDPE pipe

For PLB HDPE pipes, duct integrity tests shall be carried out as described below.

The Duct cleaning (Sponge test) test shall be carried out on all the ducts before blowing/pulling

of the cable between two consecutive manholes on the PLB HDPE pipes.

Duct cleaning (Sponge test)

Compressed air should be blown through the PLB HDPE pipe in order to remove dirt and water,

if any, with the help of suitable Air Compressor. A short blast of air about 2-3 Bar shall be blown

through the PLB HDPE pipe for about 2 minutes. Sponge shall be blown through the duct to

thoroughly clean the duct from inside.

Crush and deformity test

Place a shuttle of length <15cm and O.D. 80% of the inner diameter of the offered PLB HDPE

pipe. Connect the compressor pipe with a suitable flexible wire grip at the other end to catch the

shuttle and start blowing operation to the pipe and check if shuttle reaches at the other end. If

shuttle gets stuck the Contractor shall adopt suitable arrangement at site to locate the

deformity/damage in the HDPE pipe, repair the pipe and ensure end-to-end continuity of the duct

in sound condition.

v) SAT for other items

Tests for other components such as FODP etc. shall be done as per the direction of Employer

19. Documentation

Apart from survey reports as mentioned above, the Contractor will submit the following

documents after completion of the job and acceptance by the Employer:

(a) As built drawing of the route indicating the distance from road centre, OFC drum length,

location of other utilities, link BoQ, OFC loop length, name of the road, sections and positions of

PLB HDPE pipes, couplers, warning bricks/stone, manholes, G.I. pipes, RCC pipes, joint box,

conduits, bends, trays, optical fibre cable loop lengths in manholes etc.

(b) Depth of PLB HDPE pipe in various sections of the route executed through open trenching.

(c) Sections of trenching digging executed through various methods.

(d) Splicing/termination details of each joint box/FODP. Attenuation and splicing loss

measurement data shall be submitted for each fibre.

(e) Specific deviation w.r.t. the installation and supply items, if any, from the technical

specification. If there is no deviation, either explicit or implicit, the Contractor will provide a

certification to this effect.

(f) Without submission of the above documentations, the Site Acceptance Testing of various

items as described above will be deemed to be incomplete.

20. Interconnection

The contractor shall also interconnect their Fibre Optic Cable system at both ends with existing

Fibre Optic cable through splicing in Joint boxes or through connection by patch cords at FODPs,

as required. The exact method of interconnection shall be finalized during project execution.

21. Miscellaneous Jobs

In order to provide end-to-end connectivity, it may be required to execute some miscellaneous

jobs as detailed below.

22. Routing of Cables inside building.

In order to route the OFC (Optical Fibre Cable) from the underground trench to the FODPs it is

necessary to install the cable on walls inside PLB HOPE pipe over the existing cable

tray/raceways inside the building.

23. Installation of PLB HDPE pipe on wall

The PLB HDPE pipe may be required to be installed on the wall using steel or G.I clamps. The

contractor will provide the required clamps and other consumables sufficient for such

installation. The contractor will take care of aesthetics while installation. The OFC will be pulled

through the PLB HDPE pipe with due care as described in relevant Para of this specification.

General Technical Conditions:

1 The above provisions shall supplement all the detailed technical specifications

and requirements brought out herein. The Contractor’s proposal shall

be based on the use of materials complying fully with the requirements

specified herein.

2 Engineering Data:

2.1 The furnishing of engineering data by the Contractor shall be in accordance with the schedule as specified in the technical specifications. The review of these data by the Employer will cover only general conformance of the data to the specifications and not a thorough review of all dimensions quantities and details of the materials or items indicated or the accuracy of the information submitted. The review of the Employer shall not be considered by the Contractor as limiting any of his responsibilities and liabilities for mistakes and deviations from the requirements specified under these specifications.

2.2 All engineering data submitted by the Contractor after review by the Employer

shall form part of contract document. If errors are discovered any time during the validity of the contract then the Contractor shall be responsible for their consequences.

2.3 The quantities worked out in the tender documents are only tentative. The contractor shall have to carry out the foot survey as per the provisions made in the tender documents in the Vol-I and shall work out the actual requirement and get it approved from the Engineer-in-Charge. The payment shall be made on actual basis.

Drawings:

2.4 The design and drawings submitted by the Contractor shall be

approved/commented by the Employer as the case may be within 20

days of receipt of design/drawings in the office of the Engineer. If

the design/ drawings are commented by the Employer, the Contractor

shall submit revised design/drawings within 15 days of date of issue of

comments. The drawing will also be submitted by the Contractor to

the Engineer who will take further necessary action to approve the

same or get it approved from the competent authority.

2.5 The Contractor is required to furnish the progress of submissions and

approvals of design and drawings on 25th day of every month till the

completion of all the design activities.

2.6

2.6.1 For the Drawings/GTPs/Standards which are not included in the above tender documents, latest REC standards/ ISS/ IEC are to be followed.

2.6.2 The technical specifications as given in the tender documents are covering a range of items, in that case only the material as per the schedule of prices is to be considered.

SECTION VII- B

SECTION - VII-B 1. Drawings: 1.1 All drawings submitted by the Contractor including those submitted at the

time of Bid shall be with sufficient detail to indicate the type, size, arrangement, dimensions, material description, Bill of materials, weight of each component, break-up for packing and transportation, fixing arrangement required, the dimensions required for installation and any other information specifically requested in these specifications.

1.2 Each drawing submitted by the Contractor shall be clearly marked with the name of the Employer, the specification title, the specification number and the name of the project. All titles, notings, markings and writings on the drawing shall be in English. All the dimensions should be to the scale and in metric units.

1.3 The Contractor shall submit the necessary detailed route plan or other necessary construction drawings for approval to the Employer within 20 days of Letter of Intent.

1.4 The route plan drawings submitted by the Contractor shall be examined by the Employer as far as practicable within 20 days and shall be modified by the Contractor, if any modifications and/or corrections are required by the Employer. The Contractor shall incorporate such modifications and/or corrections and submit the final drawings for approval. Any delays arising out of failure by the Contractor to rectify the drawings in good time shall not alter the contract completion date.

1.5 The drawings submitted for approval to the Employer shall be in quadruplicate. One print of suet drawings shall be returned to the Contractor by the Employer marked “approved/ approved with corrections“. The Contractor shall thereupon furnish the Employer additional prints as may be required along with one reproducible in original of the drawings after incorporating all corrections.

1.6 The work shall be performed by the Contractor strictly in accordance with these drawings and no deviation shall be permitted without the approval of the Employer, if so required. 1.7 All manufacturing, fabrication and erection work under the Scope of Contractor, prior to the approval of the drawings shall be at the Contractor’s risk. The Contractor may make any changes in the design which are necessary to conform to the provisions and intent of the Contract and such changes will again be subject to the approval by the Employer. 1.8 The approval of the documents and drawings by the Employer shall mean that the Employer is satisfied that:

a) The Contractor has completed the part of the Works covered be the subject document (i.e., confirmation of progress of work).

b) The work appears to comply with requirements of specifications. In no case the approval by the Employer of any document does imply compliance with all technical requirements, nor the absence of errors in such documents.

1.9 The following is the general list of the documents and drawings that are to be approved by the employer:

a) Work Schedule (Master Network) Plan.

b) Sag tensions calculation and sag template curve drawing.

c) Pole spotting data.

d) Detailed survey report and profile drawings showing ground clearance and pole locations.

e) Pole earthing Drawing.

f) Pole accessories drawings like danger plate, number plate, phase plates etc.

g) Pert Chart. 1.10 Design Improvements :

1.10.1 The Employer or the Contractor may propose changes in the specification and if the parties agree upon any such changes and the cost implication, the specification shall be modified accordingly. 1.10.2 If any such agreement affects the price and schedule of completion, the parties shall agree in writing as to the extent of any change in the price and schedule of completion before the Contractor proceeds with the change. Following such agreement, the provision thereof, shall be deemed to have been amended accordingly.

1.11 Design Co-ordination. The contractor shall be responsible for the selection and design of appropriate material/item to provide the best co-ordinated performance of the entire system. The basic design requirements are detailed out in this specification. The design of various components, sub-assembly and assemblies shall be so done that it facilitates easy field assembly and maintenance.

1.12 Design Review Meetings The contractor will be called upon to attend design review meetings with the Employer and the consultants of the Employer during the period of contract. The Contractor shall attend such meetings at his own cost at Hisar or at mutually agreed venue as and when required. Such review meeting shall be held as & when required.

2. Packing

All the material shall be suitably protected, coated, covered of boxed and

created to prevent or deterioration during transit, handling & storage at

site till the time of erection. The Contractor shall be responsible for

any loss or damage during transportation, handling and storage due to

improper packing.

The contractor shall include and provide for securely protecting and packing

the materials so as to avoid loss or damage during transport during

transport by air, sea, rail and road.

All packing shall allow for easy removal and checking at site.

Wherever necessary, proper arrangement for attaching slings for lifting shall

be provided. All packages shall be clearly marked for with sign showing ‘up’ &

‘down’ on.

3. Progress Report

Appropriate visual charts shall accompany the monthly progress report

detailed out the progress achieved on all erection activities as

compared to the schedules. The report shall also indicate the reasons for

variance between the scheduled and actual progress and the action proposed

for corrective measures wherever necessary.

4. Manpower Deployment Report

The Contractor shall submit to the employer on the first day of every

month a manpower deployment schedule for each activity.

The Contractor shall also submit to the employer on the first day of every

month a manpower deployment report of the previous month detailing the

No. of persons scheduled to have been employed and actually employed.

Tools, Tackle and Scaffolding

The Contractor shall provide all the construction equipment, tools, tackle and scaffoldings required for construction, erection and commissioning of the power line covered under the contract. He shall submit a list of all such material of the employer before the commencement of work at site. These tools and tackle shall not be removed from the site without the written permission of the Employer. First Aid and General Hygiene The Contractor shall provide necessary first aid & reasonable Hygiene facilities for all his employees, representatives and workmen working at the site Enough number of Contractor’s personnel shall be trained in administering the first aid. Security The Contractor shall have total responsibility for all requirement and materials in his custody, stored, loose, semi-assembled and or erected by him at site. The Contractor shall make suitable security arrangements including employment of security personnel to ensure the protection of all materials, equipment and works from theft, pilferage and any other damages and loss. Materials Handling and Storage:

All the supplies under the Contract as well as arriving at Site shall be promptly received, unloaded and transported and stored in the stores by the Contraction. Contractor shall be responsible for examining all the shipment and notify the employer immediately of any damage, shortage, discrepancy etc. for the purpose of Employer’s information only. The Contactor shall submit to the Employer every week a report detailing all the receipts during the week. However, the Contactor shall be solely responsible for any shortage or damages in transit, handling and/ or in storage and erection at Site. The Contractor shall maintain an accurate and exhaustive record detailing out the list of all items received by him for the purpose of erection and keep such record open for the inspection of the Employer.

Each package shall be legibly marked by the Contractor/ Supplier at his expenses showing the details such as description and quantity of contents, the name of the consignee and address, the gross and net weight of the package, the name of the Contractor etc.

5. Erection Conditions

The following shall supplement the conditions already contained in the other parts of these specifications and documents and shall govern that portion of the work on this Contract to be performed at site. Regulation of local Authorities and Statutes

The Contractor shall comply with all the rules and regulations of local authorities during the performance of his field activities. He shall also comply with the Minimum Wages Act, 1948 and the payment of Wages Act (both of the Govt. of India) and the rules made there under in respect of any employee or workman employed or engaged by him or his Sub-Contractor. All registration and statutory inspection fees, if any, in respect of his work pursuant to this Contract shall be to the account of the Contractor. However, any registration, statutory inspection fees lawfully payable under the provisions of the statutory law and its amendments from time to time during erection in respect of the 11 KV line, ultimately to be owned by the Employer, shall be to the account of the Employer. Should any such inspection or registration need to be re-arranged due to the fault of the Contractor or his Sub-Contractor, the additional fees to such inspection and /or registration shall be borne by the Contractor. Contractor’s Field Operation. The Contractor shall keep the Employer informed in advance regarding his field activity plans and schedules for carrying-out each part of the works. Any review of such plan or schedule or method of work by the Employer shall not relieve the Contractor of any of his responsibilities towards the field activities. Such reviews shall also not be considered as an assumption of any risk by the Employer or any of his representatives and no claim of the Contractor will be entertained because of the failure or inefficiency of any such plan or schedule or method of work reviewed. The Contractor shall be solely responsible for the safety, adequacy and efficiency of tools and plants and his erection methods. All the materials stored in the open or dusty location must be covered with suitable weather-proof and flameproof covering material as applicable. The Contractor shall be responsible for making suitable indoor storage facilities at various locations to store all items /materials which require indoor storage.

6. Construction Management

Time is the essence of the Contract and the Contractor shall be responsible for performance of his works in accordance with the specified construction schedule. If at any time, the Contractor is falling behind the schedule for reasons attributable to him, he shall take necessary action to make good for such delays by increasing his work force or by working overtime or otherwise to accelerate the progress of the work and to comply with schedule and shall communicate such actions in writing to the Employer,

satisfying that his action will compensate for the delay. The Contractor shall not be allowed any extra compensation for such action.

7. Field Office Records

The Contractor shall set up his site offices at different locations to facilitate smooth working. The site offices shall be manned by his supervisors/ other staff. The Contractor shall maintain at his Site office up-to-date copies of all drawings, specifications and other supplementary data complete with all the latest revisions thereto. The Contractor shall also maintain, in addition, the continuous record of all changes to the above Contract Documents, drawings, specifications, supplementary data etc. effected in the field and on completion of his total assignment under the Contract shall incorporate data to indicate as installed conditions of the material supplied and erected under the contract. Such drawings and engineering data shall be submitted to the Employer in required number of copies.

8. Protection of Property and Contractor’s Liability:

The Contractor will ensure provision of necessary safety equipment such as barriers, sign-boards, warning lights and alarms etc. to provide adequate protection to persons and property. The Contractor shall be responsible to give reasonable notice to the Employers and the Owners of public or private property and utilities when such property and utilities are likely to get damaged or injured during the performance of his works and shall make all necessary arrangements with such owners, related to removal and/or replacement or protection of such property and utilities.

9. Insurance:

The Contractor shall arrange & keep alive all the required insurance

covers for his Employees/third parties as under:-

9.1 Workmen’s Compensation Insurance:

This insurance shall protect the Contractor against all claims applicable

under the Workmen’s Compensation Act, 1948 (Government of India).

This policy shall also cover the Contractor against claims for injury,

disability disease or death of his or his Sub-Contractor’s employees,

which for any reason are not covered under the Workmen’s

employees, which for any reason are not covered under the workmen’s

Compensation Act, 1948. The liabilities shall not be less than:

Workmen’s Compensation As per statutory Provisions

Employee’s Liability As per statutory Provisions

9.2 Comprehensive Automobile Insurance

This insurance shall be in such a form to protect the Contractor

against all claims for injuries, disability, disease and death to members of

public including the Employer’s men and damage to the property of

others arising from the use of motor vehicles during on or off the site

operations, irrespective of the ownership of such vehicles. The

minimum liability covered shall be as herein indicated:

Fatal Injury : Rs. 100,000 each person

: Rs. 200,000 each occurrence

Property Damage : Rs. 100,000 each occurrence

In case the employer is made to pay such compensation, the

Contractor will be liable to reimburse the Employer such amount even in

addition to the compensation indicated above.

9.3 Comprehensive General Liability Insurance

9.3.1 The insurance shall protect the Contractor against all claims arising

from injuries, disabilities, disease or death of members of public or

damage to property of others, due to any act or omission on the part of

the Contractor, its agents, its employees, its representatives and Sub-

Contractors or from riots, strikes and civil commotion.

9.3.2 The above are only illustrative list of insurance covers normally

required and it will be the responsibility of the Contractor to maintain all

necessary insurance coverage to the extent both in time and amount to

take care of all its liabilities either direct or indirect, in pursuance of the

Contact.

10. Protection of Measurements and Reference Points:

The Contractor shall ensure that any finds such as relics, antiques,

coins, fossils, etc. which he may come across during the course of

performance of his works either during excavation or elsewhere, are

properly protect3ed and handed over to the Employees. Similarly, the

Contractor shall ensure that the bench marks, reference points etc.

which are marked either with the help of Employer shall or by the

Employer shall not be disturbed in any way during the performance of

its works. If, any work , is to be performed which disturbs such

reference, the same shall be done only after these are transferred to

other suitable locations under the direction of the Employer. The

Contractor shall provide all necessary materials and assistance to such

relocation of reference points etc.

11. Work and Safety Regulations:

11.1 The Contractor shall ensure safety of all the workmen, materials plant

and equipment belonging to him or to the others, working at the Site.

The Contractor shall also provide for all safety notices and safety

equipment required by the relevant legislations and deemed necessary by

the Employer.

11.2 The Contractor will notify, well in advance to the Employer, its intention

to bring to the site any Container filled with liquid or gaseous fuel or

explosive or petroleum substance or such chemicals which may involve

hazards. The employer shall have the right to prescribe the conditions,

under which such a container is to be stored, handled and used during

the performance of the works and the Contractor shall strictly adhere to

and comply with such instructions. The Employer shall also have the

right, at his sole discretion, to inspect any such container or such

construction plant/equipment for which materials in the container is

required to be used and dif in his opinion, its use is not safe, he may

forbid its use.

No Claim due to such prohibition or towards additional safety

provisions called for by him shall be entertained by the Employer.

Further, any such decision of the Employer shall not, in any way, absolve

the Contractor of his responsibilities under the Laws of land and in

case use of such a Container or entry there of into the Site area is

forbidden by the Employer, the Contractor shall use alternative

methods with the approval of the Employer without any cost

implication to the Employer or extension of work schedule.

11.3 Where it is necessary to provide and/or store petroleum products or

petroleum mixtures and explosives, the Contractor shall be responsible

for carrying out such provision and/or storage in accordance with the

rules and regulations laid down in Petroleum Act, 1934, Explosives Act,

1948 or any other statuary acts in regard thereof and amendments

thereof, and petroleum and carbide of Calcium Manual published by

the Chief Inspector of Explosives of India. All such storage shall have

prior approval of the Employer. In case, any approval is necessary

from the Chief Inspector (Explosives) or any statutory authorities, the

Contractor shall be responsible for obtaining the same.

11.4 All equipment used in construction and erection by Contractor shall

meet Indian/International Standards land where such standards do not

exist, the Contractor shall ensure these too be absolutely safe. All

equipment shall be strictly operated and maintained by the Contractor

in accordance with manufacturer’s operation manual and safety

instructions and as per any existing Guidelines/rules in this regard.

11.5 Periodical examinations and all tests for all lifting/hoisting equipment

and tackle shall be carried-out in accordance with the relevant

provisions of Factories Act, 1948. Indian Electricity Supply Act and

associated Laws/Rules in force from time to time. A register of such

examinations and tests shall be properly maintained by the Contractor

and will be promptly produced as land when desired by Employer or by

the persons authorized by him.

11.6 The Contractor shall provide suitable safety equipment of prescribed

standard to all employees and workmen according to the need as may be

directed by the Employer who will also have the right to examine these

safety equipment to determine their suitability, reliability,

acceptability and adaptability.

11.7 The Contractor employing more than 250 workmen whether temporary,

casual, probationer, regular or permanent or on contract, shall employ at

least one full time officer exclusively as safety officer to supervises

safety aspects of the equipment and workman.

The name and address of such Safety Officer of the Contractor will be

promptly informed in writing to the Employer with a copy to the Safety

Officer-Incharge before he starts work or immediately after any change

of the incumbent is made during currency of the Contract.

11.8 In case any accident occurs during the construction/erection or other

associated activities undertaken by the Contractor, thereby causing

any minor or major or total injury to his employees due to any reason

whatsoever, it shall be the responsibility of the Contractor to promptly

inform the same to the Employer and also to all the authorities

envisaged under the applicable laws.

11.9 The Employer shall have the right to stop the work, if in its opinion the

work is being carried out in such a way as may cause accidents and

endanger the safety of the persons and /or property. In such cases, the

Contractor shall be informed in writing about the nature of the hazards

and possible injury /accident and he shall remove shortcomings

promptly. The Contractor - after stopping the specific work, can if felt

necessary, appeal against the order of stoppage of work to the

Employer within 3 days of such stoppage of work and the decision of

the Employer in this respect shall be conclusive.

11.10 The Contractor shall not be entitled for any damages /compensation for

stoppage of work due to safety reasons and the period of such

stoppage of work will not be taken as an extension of time for

completion of work and will not be the ground for waiver of any part of

Contractor’s liability for timely completion of the works.

11.11 The Contractor shall follow and comply with all safety rules, relevant

provisions of applicable laws pertaining to the safety of workman,

employees plant and equipment as may be prescribed from time to

time without any demur, protest or contest or reservation. In case of

any conflict between statutory requirement and safety rules referred

above, the most stringent clause shall be applicable.

11.12 If the Contractor fails in providing safe working environment as per

Safety Rules or continues the work even after being instructed to stop

work by the Employer, the Contractor shall promptly pay to the

Employer on demand, compensation at the rate of Rs. 5000/- per day

or part thereof till the instructions are complled with and so certified by

the Employer.

11.13 If the Contractor does not take all safety precautions and /or fails to

comply with the safety Rules as prescribed by the Employer or as

prescribed under the applicable law for the safety of the equipment,

plant and personnel and the Contractor does not prevent hazardous

conditions which may cause injury to his own employees or employees

of other Contractors, or Employer or any other person at site or

adjacent thereto, the Contractor shall be responsible for payment of

compensation in the form of first hand relief as per the following

schedule:-

a) Fatal Injury or Rs. 1,00,000/- :

accident causing per person : Applicable

death : for death/injury

b) Major injuries or Rs. 20,000/- : to any person

accident causing per person : whosoever

25% or more

Permanent disability

The contractor, however, shall be responsible for full amount of

compensation admissible as per the law of land

Permanent disability shall have the same meaning as indicated

in Workmen’s Compensation Act. The compensation mentioned

above shall be in addition to the compensation payable to the

workmen/ employees under the relevant provisions of the

Workmen’s Compensation Act and rules framed there under or

any other applicable law as applicable from time to time. In case

the Employer is made to pay any such compensation, the

Contractor will be liable to reimburse the Employer such amount (s)

even in addition to the compensation indicated above.

12. Code Requirements

The erection requirements and procedures to be followed during

the execution of the project shall be in accordance with the

applicable Indian / International standards /regulations, as

indicated in Technical Specifications, good engineering practice, the

Drawings and other applicable Indian codes, laws and

regulations.

ANNEXURE-I

METEROLOGICAL DATA The Equipment to be supplied against this specification shall be suitable for satisfactory continuous

operation under the following tropical conditions:-

1. Location In the State of Haryana

2. Max. Ambient Air Temp. (deg.C) 60oC

3. Min. Ambient Air Temp. (deg.C) -5 oC

4. Daily Average Air Temp (deg.C) 35

5. Average No. of Thunder Storm days per annum 45

6. Max. Relative Humidity (%) 100

7. Min. Relative Humidity (%) 26

8. Average annual rainfall (mm) 900

9. Max. Wind Pressure (Kg/Sq.mm) 195

10. Max. altitude above mean seal level (meters) 1000

11. Isoceraunic level (days/year) 45

12. Seismic level (horizontal acceleration) 0.3 g

13. Average No. of rainy days per annum 120

NOTE:

Moderately hot and humid tropical climate conductive to rust and fungus growth.

The climate conditions are also prone to wide variations in ambient condition.

Smoke is also present in the atmosphere. Heavy lightning also occurring during

June to October.

Material Technical Specification Index

Sr. No.

Description Specification No. Source for Collection

1 Poles

A PCC Pole 11.0M Long (400kg load). CSC-XV-R-I/DH/UH/P&D/2009-10 www.dhbvn.org.in

B PCC Poles 9 M Long (400kg Load) CSC-XIX/DH/UH/P&D/2009-2010 www.dhbvn.org.in

2 ACSR Conductor

A ACSR Conductor 100mm2 CSC-LI/DH/UH/P&D/2009-2010 www.dhbvn.org.in

B ACSR Conductor 100mm2 insulated CSC-112/DH/UH/P&D/2015-2016 www.dhbvn.org.in

3 Insulators HT and LT

A 11 KV Polymeric insulators with pin, nuts and washers complete suitable for insulator assembly

CSC- XXIX/DH/UH/P&D/2009-2010 www.dhbvn.org.in

B 45 KN Disc Insulator (T&C type) along with Hardwares & Accessories all complete as per Technical Specification.

CSC- XXIX/DH/UH/P&D/2009-2010 www.dhbvn.org.in

C LT Insulator CSC-62/DH/UH/P&D/2011-2012 www.dhbvn.org.in

D Egg Insulator CSC-62/DH/UH/P&D/2011-2012 www.dhbvn.org.in

4

11 KV 400 Amps. GO Switch complete with handle, pipe & Supporting Channel. As per Nigam’s Tech. Spec., relevant ISS and latest amendments

CSC- 83/DH/UH/P&D/2014-2015 www.dhbvn.org.in

5 11kV LA CSC-123/DH/UH/P&D/2015-2016 www.dhbvn.org.in

6 HT XLPE Cables

A 3/C 400 mm2 11 kV XLPE Armoured cable

CSC-111/DH/UH/P&D/2015-2016

www.dhbvn.org.in

B 3/C 300 mm2 11 kV XLPE Armoured cable www.dhbvn.org.in

C 3/C 120 mm2 11 kV XLPE Armoured cable www.dhbvn.org.in

7 Heat Shrinkable Termination Kit for 11kV XLPE cable

A Straight Jointing kit for 3/C 400 mm2 11 kV XLPE cable

CSC-85 & 86/DH/UH/P&D/2014-15

www.dhbvn.org.in

B Straight Jointing kit for 3/C 300 mm2 11 kV XLPE cable

www.dhbvn.org.in

C Straight Jointing kit for 3/C 120 mm2 11 kV XLPE cable

www.dhbvn.org.in

D ID Termination kit for 11KV 3/C 400 mm2 Cable www.dhbvn.org.in

E ID Termination kit for 11KV 3/C 300 mm2 Cable www.dhbvn.org.in

F ID Termination kit for 11KV 3/C 120 mm2 Cable www.dhbvn.org.in

G OD Termination kit for 11KV 3/C 400mm2 Cable

www.dhbvn.org.in

H OD Termination kit for 11KV 3/C 300mm2 Cable

www.dhbvn.org.in

I OD Termination kit for 11KV 3/C 120 mm2 Cable

www.dhbvn.org.in

8 HDPE Pipes

A HDPE pipe 125 mm dia CSC-141/DH/UH/P&D/2015-2016

www.dhbvn.org.in

B HDPE pipe 160 mm dia www.dhbvn.org.in

9 LT Cables

A LT XLPE Cable S/C 630 MM. sq.

CSC-115/DH/UH/P&D/2015-2016

www.dhbvn.org.in

B LT XLPE Armoured 3.5 Core, 300 sq.mm. cable

www.dhbvn.org.in

C LT XLPE Armoured 3.5 Core, 240 sq.mm. cable

www.dhbvn.org.in

D LT XLPE Armoured 3.5 Core, 120 sq.mm. cable

www.dhbvn.org.in

E LT XLPE Armoured 3.5 Core, 95 sq.mm. cable

www.dhbvn.org.in

F LT PVC Cable 2/C 10 MM. sq.

CSC-XIII/R-I/DH/UH/P&D/2010-2011

www.dhbvn.org.in

G LT PVC Cable 2/C 16 MM. sq. www.dhbvn.org.in

H LT PVC Cable 4/C 16 MM. sq. www.dhbvn.org.in

I LT PVC Cable 4/C 25 MM. sq. www.dhbvn.org.in

J LT PVC Cable 4/C 50 MM. sq. www.dhbvn.org.in

K LT PVC Cable 4/C 95 MM. sq. www.dhbvn.org.in

L LT XLPE Armoured Cable 2/C 10 MM. sq.

CSC-115/DH/UH/P&D/2015-2016

www.dhbvn.org.in

M LT XLPE Armoured Cable 2/C 16 MM. sq.

www.dhbvn.org.in

N LT XLPE Armoured Cable 4/C 16 MM. sq.

www.dhbvn.org.in

O LT XLPE Armoured Cable 4/C 25 MM. sq.

www.dhbvn.org.in

P LT XLPE Armoured Cable 4/C 50 MM. sq.

www.dhbvn.org.in

Q LT XLPE Armoured Cable 4/C 95 MM. sq.

www.dhbvn.org.in

10 PVC Pipes

B PVC pipe of Dia 150 MM along with elbow and other joint.

ISI marked PVC Pipes

C PVC pipe of Dia 100 MM along with elbow and other joint.

D PVC pipe of Dia 50 MM along with clips, elbow and other joint.

E PVC pipe of Dia 25 MM along with clips, elbow and other joint.

11 Distribution feeder pillar

A

6– way Distribution feeder pillar with 1 no ACB , 4 pole, 3phase, 415 v , 1600 Amps for incoming and 5 nos outgoing MCCB 4 pole, 3phase, 415 v , 400 Amps rating type, metering arrangement on incomer suitable for outdoor installation, in accordance with Technical Specification

CSC-133/DH/UH/P&D/2015-2016

www.dhbvn.org.in

B

5– way Distribution feeder pillar with 1 no ACB , 4 pole, 3phase, 415 v , 1250 Amps for incoming and 4 nos outgoing

MCCB 4 pole, 3phase, 415 v , 400 Amps rating type, metering arrangement on incomer suitable for outdoor installation , in accordance with Technical Specification

www.dhbvn.org.in

C

4– way Distribution feeder pillar with 1 no ACB , 4 pole, 3phase, 415 v , 800 Amps for incoming and 3 nos outgoing MCCB 4 pole, 3phase, 415 v , 400 Amps rating type, metering arrangement on incomer suitable for outdoor installation , in accordance with Technical Specification

www.dhbvn.org.in

D

7– way Distribution feeder pillar with 2 no MCCB , 4 pole, 3phase, 415 v , 400 Amps for incoming and 5 nos outgoing MCCB 4 pole, 3phase, 415 v , 100 Amps

rating type suitable for outdoor installation , in accordance with Technical Specification

www.dhbvn.org.in

E

3 phase ,415 v , Distribution service Pillar for LT, 100 Amps incoming ;2 nos . 32 TPN, 10 nos. 16 Amp SPN rating feeder type distribution service pillar suitable

for outdoor installation , in accordance with Technical Specification

www.dhbvn.org.in

12 Distribution Transformers

A 1000 KVA 11/.433 KV T/F Oil Type

CSC-119/DH/UH/P&D/2015-2016

www.dhbvn.org.in

B 630 KVA 11/.433 KV T/F Oil Type www.dhbvn.org.in

C 400 KVA 11/.433 KV T/F Oil Type www.dhbvn.org.in

D 1000 KVA 11/.433 KV T/F Dry Type

CSC-126/DH/UH/P&D/2015-2016

www.dhbvn.org.in

E 630 KVA 11/.433 KV T/F Dry Type www.dhbvn.org.in

F 400 KVA 11/.433 KV T/F Dry Type www.dhbvn.org.in

13 PSS(Package Substation)

A

1000 KVA 11/.433 KV T/Fcompact type containerized T/F unit with RMU with one VCB and two LBS with FRTU and FPI, 415 V 1600 Amps Air circuit Breaker as incomer, 5nos. 400 Amps MCCB's as outgoing along with separate DT meter compartment

CSC-129/DH/UH/P&D/2015-2016

www.dhbvn.org.in

B

630 KVA 11/.433 KV T/Fcompact type containerized T/F unit with RMU with one VCB and two LBS with FRTU and FPI, 415 V 1600 Amps Air circuit Breaker as incomer, 5nos. 400 Amps MCCB's as outgoing along with separate DT meter compartment

www.dhbvn.org.in

C

400 KVA 11/.433 KV T/Fcompact type containerized T/F unit with RMU with one VCB and two LBS with FRTU and FPI, 415 V 1600 Amps Air circuit Breaker as incomer, 5nos. 400 Amps MCCB's as outgoing along with separate DT meter compartment

www.dhbvn.org.in

14 RMU

A

Indoor type11 KV SF6 type extensible and motorized 5 way smart Ring Main Unit (RMU) complete with two VCB and three LBS with FRTU and FPI as per IS

CSC-117/DH/UH/P&D/2015-2016 www.dhbvn.org.in

B

Indoor type 11 KV SF6 type extensible and motorized 4 way smart Ring Main Unit (RMU) complete with two VCB and two LBS with FRTU and FPI as per IS

www.dhbvn.org.in

C

Indoor type 11 KV SF6 type extensible and motorized 3 way smart Ring Main Unit (RMU) complete with one VCB and two LBS with FRTU and FPI as per IS

www.dhbvn.org.in

D

Indoor type 11 KV SF6 type extensible and motorized 3 way smart Ring Main Unit (RMU) complete with all three VCB and with FRTU and FPI as per IS

www.dhbvn.org.in

E Indoor type 11 KV SF6 type extensible and motorized one way smart Ring Main Unit (RMU) complete with LB and with FPI as per IS

www.dhbvn.org.in

F Indoor type 11 KV SF6 type extensible and motorized one way smart Ring Main Unit (RMU) complete with VCB and FPI as per IS

www.dhbvn.org.in

G

Outdoor type 11 KV SF6 type non extensible and motorized 5 way smart Ring Main Unit (RMU) complete with two VCB and three LBS with FRTU and FPI as per IS

www.dhbvn.org.in

H

Outdoor type11 KV SF6 type extensible and motorized 4 way smart Ring Main Unit (RMU) complete with two VCB and two LBS with FRTU and FPI as per IS

www.dhbvn.org.in

I

Outdoor type 11 KV SF6 type extensible and motorized 3 way smart Ring Main Unit (RMU) complete with one VCB and two LBS with FRTU and FPI as per IS

www.dhbvn.org.in

J

Outdoor type 11 KV SF6 type extensible and motorized 3 way smart Ring Main Unit (RMU) complete with all three VCB and with FRTU and FPI as per IS

www.dhbvn.org.in

K Outdoor type 11 KV SF6 type extensible and motorized one way smart Ring Main Unit (RMU) complete with LB and with FPI as per IS

www.dhbvn.org.in

L Outdoor type 11 KV SF6 type extensible and motorized one way smart Ring Main Unit (RMU) complete with VCB and FPI as per IS

www.dhbvn.org.in

15 RTU & FRTU CSC-134/DH/UH/P&D/2015-2016 www.dhbvn.org.in

16 Optical Fiber Cables

A Un- Armoured Optical Fiber (48 Fibers) along with the all accessories connectors, switches etc.

CSC-131/DH/UH/P&D/2015-2016 www.dhbvn.org.in

B Armoured Optical Fiber (48 Fibers) along with the all accessories connectors, switches etc.

CSC-130/DH/UH/P&D/2015-2016 www.dhbvn.org.in

C PLB-HDPE (Permanently Lubricated High Density Poly Ethylene) pipe 40 mm. dia pipe for laying optical Fiber Cable.

CSC-135/DH/UH/P&D/2015-2016 www.dhbvn.org.in

D Joint for Optical Fiber Cable CSC-136/DH/UH/P&D/2015-2016 www.dhbvn.org.in

17 Methodology for laying of optical fiber cable CSC-139/DH/UH/P&D/2015-2016 www.dhbvn.org.in

18 Methodology for laying of Power cable CSC-138/DH/UH/P&D/2015-2016 www.dhbvn.org.in

19 Nuts & Bolts with Washers (plain and spring) CSC-101/DH/UH/P&D/2015-16 www.dhbvn.org.in

20 Stay wire (7/8 SWG) CSC-VI-R-I/DH/UH/P&D/2010-11 www.dhbvn.org.in

21 GSL 8 SWG CSC-XVI-R-I/DH/UH/P&D/2010-11 www.dhbvn.org.in

22 Barbed wire CSC-68/DH/UH/P&D/2011-12 www.dhbvn.org.in

23 Fencing for DT,RMU and LT ACB feeder Panel. CSC-137/DH/UH/P&D/2015-2016 www.dhbvn.org.in

24 LT Line Spacers S-44/DD-48 www.dhbvn.org.in

25 Maintanence Free Earthing with all the allied Materialas per Nigam Specifiaction

CSC-140/DH/UH/P&D/2015-2016 www.dhbvn.org.in

26

LT Distribution box ( Sealable with lock facility) Suitable for 10 nos. Consumers ,2mm CRCA sheet box, bus bar for load as per DT/Fs only with holes for incoming cable and O/G cable with rubber glands and cleats

S- 163/DD-177 www.dhbvn.org.in

27 HT cable & LT Cable protection cover RCC slabs

Drawing Attached

28 HT & LT Cable RCC Route Marker and Straight Joint maker

Drawing Attached

29 Street light

a

Supply and erection of 3 corePVC copper insulated and Sheathed Circular flexible wire of size 2.50sqmm(80/0.20mm)as per HSR No.31.9(II)e

Specification as per HSR item no. 31.9(II)(e)

b

Supply and erection of Galvanized Iron pipe 65 mm dia on flushed for wiring purposes including bends inspection boxes etc. where necessary and painting as required as per HSR No. 31.21(XIV)

Specification as per HSR item no. 31.21(xiv)

c

Earthing with GI earth pipe 4.5 m long and 40 mm dia with masonry enclosure on the top etc. as required as per HSR item No.31.22(1)

Specification as per HSR item no. 31.22(I)

d

Extra item for using salt and charcoal / coke for pipe earth electrode as required as per HSR item No.31.12(II)

Specification as per HSR item no. 31.22(II)

e

Supplying and laying of 25 mm x 5 mm G.I. Strip at 0.50 metre below ground level as strip earth electrode including soldering etc. as required as per HSR no. 31.22(VIII)

Specification as per HSR item no. 31.22(VIII)

f

Supply and erection of 25 Sq. mm 4 Core Armoured under ground cable ,loose in existing pipe or trenches complete with necessary connections as per HSR 31.26(XII)

Specification as per HSR item no. 31.26(XII)Ard.

g

Supply and erection of copper lugs of 25sqmm size including crimping etc. up to entire satisfaction of Engineer-in-charge as per HSR No. 31.45(d)

Specification as per HSR item no. 31.45(d)

h

Supply and erection of HDPE pipe 90/75 mm Outer dia/Inner dia laid 1 Mtr below ground level including digging or trenchless boring and refilling of earth including cost of suitable size socket/coupler for HDPE Pipe including cost of labour and material required to complete the job in all respects upto the entire satisfaction of the engineer-in-charge of the work.

Specification as per HSR item no. 31.67(ii)

i

Supply and erection of Hot Dip Galvanized octagonal pole of 3 mm thickness 7 Mtr. Long pole with top dia 70 mm and bottom dia 130 mm with base plate of size 220 x 220 x 12 mm, including cost of nut and bolts and all accessories(including provisions of camera, Wi-Fi unit, speaker etc.at later stage) as supplied by the manufacture including cost of foundation accessories etc. the foundation bolts as per manufacturer design should be hot dipped galvanized pole complete with door locking arrangement, Terminal plate consisting of 2 nos. 100 A, 4 pole natural links inclding connection etc. with suitable connecting arrangement for 2 nos. MCBs/ kit- kat including cost of RCC 1:1.5:3 for foundation of size 0.7 m x 0.7 m x 1.8 m with minimum 8 nos. 12 mm dia longitudinal MS reinforcement rods with rings of 8 mm dia not more than 200 mm C.C. for fixing the pole with all labour & material required to complete the job in all respect upto the entire satisfaction of Engineer - In - Charge of the work.as per HSR item no. 31.68(i)

Specification as per HSR item no. 31.68(i) and specification attached.

j

Supply and erection of Hot Dip Galvanized octagonal pole of 3 mm thickness 8 Mtr. Long pole with top dia 70 mm and bottom dia 135 mm with base plate of size 225 x 225 x 16 mm, including cost of nut and bolts and all accessories (including provisions of camera, Wi-Fi unit, speaker etc.at later stage)as supplied by the manufacture including cost of foundation accessories etc. the foundation bolts as per manufacturer design should be hot dipped galvanized pole complete with door locking arrangement, Terminal plate consisting of 2 nos. 100 A, 4 pole natural links inclding connection etc. with suitable connecting arrangement for 2 nos. MCBs/ kit- kat including cost of RCC 1:1.5:3 for foundation of size 0.7 m x 0.7 m x 1.8 m with minimum 8 nos. 12 mm dia longitudinal MS reinforcement rods with rings of 8 mm dia not more than 200 mm C.C. for fixing the pole with all labour & material required to complete the job in all respect upto the entire satisfaction of Engineer - In - Charge of the work as per HSR item No.31.68(ii)

Specification as per HSR item no. 31.68(ii) and specification attached.

k

Supply, installation, Testing & commissioning of LED type IP-66 and above ,72W Street Light Fitting as per technical specification enclosed. With Free Replacement Guaranttee --- 5 years as per the specification.

As Document attached

l

Supply, installation, Testing & commissioning of LED type IP-66 and above 35W Street Light Fitting as per technical specification enclosed . With Free Replacement Guaranttee --- 5 years

as per the specification.

As Document attached

m

Supply and erection of terminations for octogonal poles consisting of 1no 4 pole 40 A connector with brass/copper links,2 no 10A , SP MCB 10 KA mounted on 5 mm thick bakelite sheet duly fixed inside of the pole.

n

Supply, Erection, Testing and Commisioning of Intellegent feeder pillar (Outdoor type) for smart lighting system having compatibility with optical fibre,GSM,Wi-Fi,Wi-max,Ethernet as per specifications attached including concentrator,convertor and other items required for successful operation as per entire satisfaction of Engineer-Incharge

As Document attached

o

Supply , fabrication and erection of single arm bracket 1500 mm overhang made of 48.3mm OD Dia.MS pipe (3.5mm thick) as per IS 1161 welded to canopy 400 mm long with angle of inclination of 105 degree to the vertical.The canopy should be suitable for 70 mm top dia pole.The bracket should be hot dip galvanized alongwith 3 no. 10mm dia.SS bolts

As per document attached.

Technical /Civil Drawings Index

Sr.No. Description Drawing No

1 Pole Top Bracket/hamper C.E./P&D-04

2 V/staright-Cross arm S-180/DD-177

3 Back Clamps for V/starght-Cross arm and Gaurd cross arm,Half clams,full clamps.

C.E./P&D-02

5 various size of angle & channel etc. complete as required.

C.E./P&D-10,11,12,13

7 G.I. Pipe 40 mm dia 6 mtr. Long for earthing set. B-class

C.E./P&D-05

8 Earthing Rod Wt. 6.175 Kg. CE./P&D-07

10 Danger Plate Enamalled,Number Plate Enamalled,Phase Plate for each phase set of 3 (On H-pole & 4 pole)

DRG. NO. -CE/P&D-3

12 XLPE cable protection cover (RCC slab) Drawing attached

13 Cable Route Marker Drawing attached

14 Standard Drawing for 11kV Line Support with Earth Wire

C.E./P&D-04

15 Civil Work including material required for civil work Drawing Attached

a Foundation for Package Substation (400,630 & 1000kVA) Drawing Attached

b Foundation for RMU Drawing Attached

c Foundation for Distribution Transformer(400,630 & 1000kVA) Drawing Attached

d Foundation for LT feeder Pillar

Drawing Attached

i Type A

ii Type B

iii Type C

iv Type D

v Type E

e

Excavation for trenches upto 2m depth for size 1000mmX1200mmX700mm with supplying & laying 100mm jamuna sand below the 2 no. cables i/c refilling the excavated earth, watering, rolling compaction etc. complete in all respects alongwith laying of cables and all necessary installation of material including HDPE pipes & PLB-HDPE for road/rail crossing or as per site requirement , GI pipes (Heavy Gauge) for bridge crossings, cable protection cover RCC slabs, Yamuna Sand, end termination, supporting structure for crossing small bridges, culverts etc, cast riser for cable joint marker, route markers, earthing material and earthing cable etc, including testing and commissioning for Laying and restoration of excavated portion to original look as far as practical possible of 11 kV and LT , 3-core, 1 core cable of various sizes below the ground complete as per Drg./TS.

Drawing Attached

f

Excavation for trenches upto 2m depth for size 1000mmX1200mmX1000 m with supplying & laying 100mm jamuna sand below the 3 no. cables i/c refilling the excavated earth, watering, rolling compaction etc. complete in all respects. alongwith laying of cables and all necessary installation of material including HDPE & PLB-HDPE pipes for road/rail crossing for road/rail crossing or as per site requirement , GI pipes (Heavy Gauge) for bridge crossings, cable protection cover RCC slabs, Yamuna Sand, end termination, supporting structure for crossing small bridges, culverts etc, cast riser for cable joint marker, route markers, earthing material and earthing cable etc, including testing and commissioning for Laying and restoration of excavated portion to original look as far as practical possible of 11 kV& LT 3-core, 1 core cable of various sizes below the ground complete as per Drg./TS. Drawing Attached

g

Construction of room for providing Underground Distribution Transformer alongwith RMU and LT ACB Drawing Attached

h

Construction of double-decker room for providing Distribution Transformer alongwith RMU and LT feeder pillar Drawing Attached

i Trenchless laying of Cable using HDD method with HDPE pipe or PLB-HDPE Drawing Attached