Piyaj dharoi pipeline based Vijapur RWSS Ta:- Vijapur Dist:-Mehsana

Estimated Cost: Rs. 6,05,608=86

Executive Engineer

Gujarat Water Supply & Sewerage Board

P.H. Works Division, MEHSANA

Volume-III, PRICE BID VKV RWSS

Name of Work:- “Providing, Lowering, Laying & jointing GI/PVC pipelines from

New village level sump to Existing ESR/inlet of storage in various villages

including installation of pumping machineries with associated electro-mechanical

works, Ta. Vijapur, Dist.Mahesana”

The bidder shall quote his firm and fixed price for the entire work under this

Contract, defined in more details in various sections of this bid document.

(1) The rates and prices shall be submitted in the electronic formats given by

n-procure which is called Schedule-B. Rates and prices received in any

other formats will be rejected and the Bids will be disqualified.

(2) It will be entirely at the discretion of the Employer to accept or reject

the bidder’s proposal, without giving any reasons whatsoever and the

bidder shall not be permitted to withdraw his bid on this account.

to be free supplied from the by client.

(4) In Schedule-B the Bidder shall quote prices for the items on lump sum /

unit rate as called for against the BOQ item.

quoted in Schedule-B only will be considered for price evaluation & shall

form a part of the Contract Agreement.

comparison and evaluation.

(7) The Bidder shall quote his prices for Operation & Maintenance in

Schedule-C. Bidder shall give year wise break up of cost for 5 years O&M

in Schedule-C/1 to Schedule-C/5 separately for Schedule-C. The total

shall be inline to the price quoted in Schedule-C. The total shall be

carried forward to Schedule-B for comparison and evaluation.

(8) Wherever for a particular item the quantities have been specified

payment shall be on unit rate basis and unit variation in quantity will be

paid with pro rata basis.

(9) Each item is to be individually priced online and the amounts shall be

the Schedules of prices shall be left blank except where the item

description requires the item to be priced on "as applicable” basis. The

item shall not be priced if it is “not applicable” to the bidder’s design, in

which case the bidder shall add the words “NOT APPLICABLE”. The

wording in the item description is for subject matter guidance only;

clause references are indicative only and all other relevant clauses shall

also be referred to. The prices shall allow for all the works covered under

the bid and all liabilities and contractual obligations whether separately

specified or not. Items against which no prices are quoted shall not be

Volume-III, PRICE BID VKV RWSS

separately paid for and the bidder shall be deemed to have covered the

cost of execution of such items (according to the requirements of the bid

document) in the prices quoted for other items.

executed for satisfactory working/safety of the system as specified, will

not be separately paid for by the Employer when executed and shall be

deemed to be already covered by other items and rates listed in the price

sheets No extra payment shall be given for any item which is required to

complete and perform the project.

fixed, during the pendency of the Contract. In case of any discrepancy

of the successful bidder shall be corrected accordingly. Only Price

Schedule–B after carried over and arithmetic corrections if any will be

considered for financial evaluation of the bid.

(12) Schedule ‘D gives the basis of interim payment for construction of civil

(13) The bidder shall be deemed to have allowed in his price for provision,

maintenance and final removal of all temporary works of whatsoever

nature required for construction including temporary bunds, diverting

water, pumping, de-watering etc. for the proper execution of works. The

rates shall also be deemed to include any works and setting out that may

be required to be carried out for laying out of all the works involved.

(14) Prices shall be filled online only.

Contract, the Specifications and other sections of these bid documents

and these documents are to be taken as mutually explanatory of one

(16) The bidder shall interpret the data furnished and carry out any additional

survey work, or investigation work required at his own cost.

(17) The prices quoted shall also include the cost of materials utilized for

(18) The bidder should acquaint himself with the site conditions including the

access to Work site. The successful bidder shall have to make suitable

access to work sites at his own cost. These accesses will be used by the

other contractors working for GWSSB.

only and the prices shall include all the equipments / materials /

accessories and services required as per the specifications. The bidder

(20) The amount to be quoted for O & M / year shall be as per Volume-II,

General Conditions of Contract, Clause No. 1, and Security Deposit.

(21) 1% of the value of work will be deducted from the Running bill against

labour cess which is non refundable.

(22) Third Party Inspection / CSC agency will be deployed by GWSSB and

charges of the same will be borne by GWSSB.

Volume-III, PRICE BID VKV RWSS

(23) Any expenditure incurred by inspection/ CSC agency for the work

misinformed by the contractor and charges of inspection/ CSC agency

without any work due to misinformation shall be recovered from the

(24) The rates quoted shall be exclusive of GST, but inclusive of all other

taxes, duties which shall not be paid extra. While GST will be paid for

admissible part of actual work done at the approved tender rates and

tender conditions of price variations. GST shall be paid as per prevailing

rates at the time of payment. The TDS shall be deducted at source as per

provision of IT rules and GWSSB Policy.

(25) The rates should be quoted exclusive of GST but inclusive of all other

taxes as per Volume-1 (B), General Conditions of Contract, Clause No.

(26) The process requires that the bidder shall quote his price for the work

prices shall remain firm and fix during the entire period of performance of

the contract except price variation allowed for supply of MS/DI/PVC/GI

pipe as per Volume-II Clause No. 59, General Conditions of Contract.

(27) Payment shall be made for the components for which lump sump prices

are quoted, as per the schedule of payment. Total cost will be worked out

on the basis of work done of individual items and rates quoted against

those particular items only.

(28) Royalties: The contractor shall be liable to pay the royalty of the

quarried materials/ minerals used in the construction of works at the

rates specified in the Narmada Water Resources, Water Supply & Kalpsar

Dept. Resolution No. GEN-2010-595- (6)- M.I.Cell ( K-1) Dt. 29-4-2011 (

Gujarati Version Copy enclosed) and shall be recovered from the running

bills of the work from time to time and remaining amount if any shall be

recovered from the final bill before releasing the security deposit of the

work. The contractor shall furnish the statement showing the quantity of

quarried materials / minerals from whom purchased ( with full address of

the seller) and copies of the bills for purchase to the Executive Engineer

of the in charge of the work. The contractor shall also furnish such

additional information as regards royalty payment to the competent

(29) Agency shall have to take Insurance policy and intimate to GWSSB along

with the evidence within time limit. In case of non compliance entire

responsibility shall be rest with the agency and required amount shall be

recovered from any due amount of the agency.

(30) GWSSB can recover penalty amount from the agency for not taking the

insurance. Though the penalty amount is recovered, responsibility of the

agency for taking insurance shall be continued and will not be escaped

from the responsibility.

(31) The contractor shall apply fair means of stock maintenance and shall

adopt accounting standard as may be prescribed under GST Act as

applicable in the state of Gujarat. For arriving at the difference in

procurement prices due to introduction of GST it will be open for the

Board to ask for original invoices, lorry receipt, weigh bridge slips,

Volume-III, PRICE BID VKV RWSS

payment details and such other documents as may be required for the

(32) The claim of contractor regarding GST shall have to be backed by

documentary evidence substantiating the actual payment of tax duly

certified by the competent tax authority. The final decision regarding the

quantum of claim amount to be recovered or reimbursed shall be of the

competent authority of the GWSSB and shall be binding on the contractor.

Signature of contractor Executive Engineer

Public Health Works Division

Volume-III, PRICE BID VKV RWSS

Bidders are required to fill up all the blank spaces in this Bid Form.

THE EXECUTIVE ENGINEER,

PUBLIC HEALTH WORKS DIVISION,

SUB: “Providing, Lowering, Laying & jointing GI/PVC pipelines from New village

level sump to Existing ESR/inlet of storage in various villages including

installation of pumping machineries with associated electro-mechanical works,

Ta. Vijapur, Dist.Mahesana”

The bidder shall quote his firm and fixed price for the entire work under this

Contract, defined in more details in various sections of this bid document.

1. Having visited the site and examined the Bid Documents, Drawings, Conditions of

execution of the above Contract, we the undersigned offer to design, Engineer,

procure, construct, complete, commission, operate and maintain the whole of

the said works for 2 years from the date of commissioning including defects

liability period as given in Conditions of Contract and in conformity with the

Annexure, Bidding Documents, including Addenda Nos.__________ (insert

numbers) for Lump sum fixed price of Rs._________________.

Rupees_____________________________________________) for Construction

including free trial run for three months or such other sum as may be ascertained

in accordance with the conditions.

2. I/We agree that

a) if we fail to provide required facilities to the Employer’s representative or any

other person/Agency by the Employer to perform on his behalf for carrying out

the inspection and testing of materials and workmanship.

b) if we incorporate into the Works, materials before they are tested and approved

by the Engineer’s representative.

c) if we fail to deliver pure water of required quantity according to the

conditions/stipulations of the Contract, the Engineer will be at liberty to take

any action including termination of Contract and impose at his absolute

discretion any penalties, and/or reject the work.

Volume-III, PRICE BID VKV RWSS

3. We undertake, if our Bid is accepted, to complete and deliver the works in

accordance with the Contract within 15 months, inclusive of monsoons, from the

date or receipt of Letter of Acceptance issued to us by you.

4. We agree to abide by this Bid for a period of 180 days from the Last date of

submission of the bill and it shall remain binding upon us and may be accepted at

any time before the expiry of that period.

5. In the event of our Bid being accepted, we agree to enter into a formal Contract

Agreement with you incorporating the conditions of Contract there to annex but

until such agreement is prepared this Bid together with your written acceptance

thereof shall constitute a binding Contract between us.

6. We agree, if our Bid is accepted, to furnish performance /Security in the forms

and of value specified in the Clause 1 of Volume-II, “General Conditions of

7. We have independently considered the amounts of liquidated damages shown in

Appendix to Bid and agree that they represent a fair estimate of the damages

likely to be suffered by you in the event of the work not being completed by us

8. We understand that you are not bound to accept the lowest or any Bid you may

(Name of the Person)

Company Seal _____________________

Duly authorized to sign Bid for and on behalf of (fill in block capitals)

Witness Signature ___________________________

Volume-III, PRICE BID VKV RWSS

NAME OF SCHEME – Piyaj Dharoi Pipeline Based Vijapur RWSS Ta:-Vijapur Dist:-Mehsana

Name of Work:- “Providing, Lowering, Laying & jointing GI/PVC pipelines from

New village level sump to Existing ESR/inlet of storage in various villages

including installation of pumping machineries with associated electro-mechanical

works, Ta. Vijapur, Dist.Mahesana”

The bidder shall quote his firm and fixed price for the entire work under this

Contract, defined in more details in various sections of this bid document.

Schedule showing the approximately the materials to be supplied to the contractor

from government stores for the work to be executed and the rate at which they are

Rate at which the material

Place of Delivery

Sr. will be charged to the

Particular Qty. (Transportation

given separately)

90 mm dia PVC 921.0 Free of RMT

cost Hirpura Store

110 mm dia PVC 120.0 cost RMT

1. The person or the firm submitting the tender should see that the rates of above

schedule are filled up by the Executive Engineer or in charge of the work before

issuing the tender.

2. The contractor should have to make his own arrangement for loading,

unloading and carting the materials from store to site of work at his own

unloading and carting the materials from store to site of work at his own cost.

3. The materials shall be issued free of cost by the Department. However, recovery

with be effected at the double rate of issue rate, in case of non return of balance

materials by the contract.

4. Approved vendor List for purchase of materials/Equipment required for the

work if Required.

5. All the surplus materials supplied by the deptt. As mentioned in schedule-A

should be handed over to the Department by the contractor at the Govt. stores as

Volume-III, PRICE BID VKV RWSS

6. The materials mentioned in schedule-A shall have to be checked for their

correctness and soundness by the contractor before taking the delivery of the

materials from the Government.

7. Necessary cement will be purchased by the agency at their own cost from open

market as per specification.

8. The persons of firm submitting the Tender should see that rates in the above

schedule are filled up by the Executive Engineer, on the issue of form prior to the

submission of the Tender.

9. Contractor should return the balance materials in good and acceptable condition,

otherwise recovery at the double rates will be affected in view of Clause 12.4.

Signature of contractor Executive Engineer

Public Health Works Division

Volume-III, PRICE BID VKV RWSS

SUMMARY (SCHEDULE-B)

Name of Work:- “Providing, Lowering, Laying & jointing GI/PVC pipelines from New village

level sump to Existing ESR/inlet of storage in various villages including installation of pumping

machineries with associated electro-mechanical works, Ta. Vijapur, Dist.Mahesana”

Sr. No. Name of Work Amount Rs.

I / We am / are willing to carry out the work at______________________________% above / Below

percent (should be written in figure and words) of the estimated rates mentioned above amount of my /

our tender works out as under.

Estimated amount put to tender : Estimated amount put to Tender

Deduct________% Below Add________% above

Signature of contractor Executive Engineer

Public Health Works Division

Volume-III, PRICE BID VKV RWSS

ITEM DESCRIPTION Qty. Unit Rate Amount

1 Providing and supplying ISI mark G. I. pipes with

Couplings of following class and diameter including all

taxes,insurance, transportation, freight charges, octroi,

inspection charges, loading, unloading, conveyance to

departmentalstores, stacking etc. complete. (IS -1239)

(Not for well/tube well column pipe)Medium Duty

1.1 80 mm,Dia.,Medium Duty 48.00 RMT 598.00

1.2 100 mm,Dia.,Medium Duty 10.00 RMT 864.00

2 Providing and supplying ISI mark CI D/F Sluice Valves

as per IS:14846 (Latest Edition) of following class and

diameter including all taxes, insurance, transportation,

freight charges, octroi, inspection charges, loading,

unloading, conveyance to departmental stores,

stacking etc. complete.

2.1 80mm,Dia.,PN-1 With hand wheel/cap operated(PD

type short body)

2.2 100mm,Dia.,PN-1 With hand wheel/cap operated(PD

type short body)

M. S. specials flanged ends

Up to 300 mm dia. 200.00 Kg 98

4 Excavation for pipe line trenches for water supply,

sewerage line, manhole etc. all with shoring and

struting if required as per required gradient and line

including safety provisions using site rails and stacking

excavated stuff including up to all required lead

cleaning the site etc. complete for all lifts and strata as

4.1 In all sorts of soil and soft murrum,Upto 1.50 mt depth 655.83 Cu.m 89.00

4.2 In hard rock and / or in C. C. 1:2:4 or RCC with

blasting, breaking, chiseling, or by chiseling/breaking 30.12 Cu.m 372.00

only,Upto 1.50 mt depth

5 Lowering, laying, fixing and jointing PVC/uPVC/cPVC

pipes and specials of following class and diameter

including cost of conveyance from stores to site of

works including cost of labour, material, cement

solvent, giving satisfactory hydraulic testing as per ISI

5.1 90mm,Dia.,PVC Pipe line,6 Kg/cm2 921.00 RMT 17.00

5.2 110mm,Dia.,PVC Pipe line,6 Kg/cm2 120.00 RMT 19.00

6 Lowering, laying and jointing G. I. pipes with G. I.

specials of following diameters in proper position,

grade and alignment as directed by Engineer-in-

charge including conveyance from stores to site of

work, labour, giving hydraulic testing, etc. comple

Volume-III, PRICE BID VKV RWSS

6.1 80 mm,Dia.,Medium Duty 48.00 RMT 27.00

6.2 100 mm,Dia.,Medium Duty 10.00 RMT 34.00

7 Lowering, laying and jointing in position following C. I.

Sluice valves and Air valves including cost of all

labour, jointing material,

including nut bolts and giving satisfactory hydraulic

testing, etc. complete.

7.1 80mm,Dia.,PN-1 With hand wheel/cap operated(PD

type short body)

7.2 100mm,Dia.,PN-1 With hand wheel/cap operated(PD

type short body)

8 Refilling the pipeline trenches incl. ramming, watering,

consolidating desposal of surplus stuff as directed 648.83 Cu.m 22.00

within a radius of 3 km.

9 Providing C.C.M.:100 for encasing pipes using trap metal

size 12 mm to 50 mm incl. form work curing consolidation

etc. complete for various location on pipe line. Using trap

metal 20 mm nominal size.

10 Labour charges for repairingof leakage in PVC pipeline of

folling dia meter at different places including necessary

excavation manually or by mechanise excavation.

dewatering -emoving of mud, cleaning of pipe and leakage

portion, cutting the pipeline & removing piece of pipe from

trench with inclussive of mechanical devices JCB,

Hycra/Crain if necessary & labours required with providing

material such couplers, solution etc. comp. (incl. all

material but Exclu. cost of pipe)(For Leakage or Connection

10.1 90mm,Dia.,PVC Pipe line,6 Kg/cm2 18.00 No. 838.00

10.2 110mm,Dia.,PVC Pipe line,6 Kg/cm2 6.00 No. 978.00

11 Labour charges fo repairing of leakage in CI/DI/GI pipeline

for following diameter of different places including

necessary excavation manually or by machinery removing

mud dewatering cleaning of pipe and leckage portion and

repairing by inserting load wool including tools required for

inserting lead wool, hiring charges of excavators,

hydra/crane, dewatering set, fuel, operator, cost of lead

wool etc complete (including all material but excluding cost

11.1 80 mm,Dia.,Medium Duty 14.00 No. 701.00

11.2 100 mm,Dia.,Medium Duty

12 Extra welding for fixing various apprantances

Welding in all positions with required number runs, for M.S.

pipes internally and/or externally including gauging

wherever necessary, fixing appurtenances and other

accessories in connection with pipe laying work as per

Volume-III, PRICE BID VKV RWSS

Welding for pipe thickness 4mm to 7mm 6.03 RMT 681.00

13 Drilling of Horizontal bore hole fer water main pipeline

under the Railway/ Road tracks in all strata with required

length including fixing of M.S.(or as specified by Railway/

Road authority) casing pipe of suitable size and Thickness,

Rate includes the cost of Drilling of bore hole , Casing pipe

& welding pushing etc complete but excluding the cost of

water main, valves and other items. Entire work should

beas per Approved Drawing and 4s per instruction of

Railway / Road authority for Following diameter of Bore

hole. for MS pipe

Horizontal Drilling-200 & MS Casing Pipe-150 thick-5 mm

14 Monoset sub. pump 3 phase 400/440 vott, 50 c/s. A.C.

Supply & 2900 RPM , as per IS 14220 MOC : Casing: CI-

FG260, Impeller : Bronze & Shaft : SS:41 (Rates exclusive of

14.1 Cat-SM-2.2, Dischrge.360 L.P.M., Head. 24 Mtr, 5.5 H.P. 3.00 No. 15552.00

14.2 Cat-SM-2.5, Dischrge.498, L.P.M., Head. 32.5 Mtr, 10 H.P. 2.00 No. 18576.00

15 DOL / Star Delta starter suitable for local & remote pump

control application consisting of MPCB, overload relay and

contactors as per Type II coordination including digital

voltmeter, analogue ammeter with selector switch, run

hour meter, required protective relays & control

16 Supply of PVC insulated flat submersible cable as per

detailed technical specifications of R/C of GWSSB

conforming to IS 694, IEC 60227 /

Providing Approved make Triple Pole Cast Iron Clad Switch

& rewirable Fuse with neutral link 415/500 V confirming to

18 Installation, testing & commissioning horizontal mono

submersible pump with required accessories including 5.00 Job 12021.00

Electrification with Earthing at Various Village level Sump.

Volume-III, PRICE BID VKV RWSS

Rupees Six Lac Five Thousand Six Hundred Eight & Paise Eighty Six only

I / We am / are willing to carry out the work at______________________________%

above / Below percent (should be written in figure and words) of the estimated rates

mentioned above amount of my / our tender works out as under.

Estimated amount put to tender: Estimated amount put to Tender

Deduct________% Below Add________% above

Executive Engineer

SIGNATURE OF CONTRACTOR Public Health Works Division

Volume-III, PRICE BID VKV RWSS

ITEM NO. 1 Providing and supplying ISI mark G. I. pipes with Couplings of following

class and diameter including all taxes,insurance, transportation, freight

charges, octroi, inspection charges, loading, unloading, conveyance to

departmentalstores, stacking etc. complete. (IS -1239) (Not for well/tube well

column pipe)Medium Duty

80 mm,Dia.,Medium Duty

100 mm,Dia.,Medium Duty

The work shall be carried out as per the description of the item in Schedule-B.

The pipe shall be jointed properly as directed by Engineer in charge hydraulic

test shall be rejected or rectified by contractor at his own cost.

The rates shall be paid for running MT the rate including cost of pipe and all

jointing for materials pipes.

Galvanized M.S. tubes with coupling shall be applied by contractor necessary

tees, bends, elbow, reducer coupling shall be supplied by contractor without any

The G.I. pipe of "B" class including fixing necessary bend, elbow, tees, reducer

Payment shall be made on Rmt basis the 30 % payment will be held for hydraulic

testing for G.I. Pipe.

The rate including the cost of excavation refilling for G.I. pipe.

Payment shall be made on Rmt. basis.

ITEM NO. 2 Providing and supplying ISI mark CI D/F Sluice Valves as per IS:14846

(Latest Edition) of following class and diameter including all taxes,

insurance, transportation, freight charges, octroi, inspection charges,

loading, unloading, conveyance to departmental stores, stacking etc.

80mm,Dia.,PN-1 With hand wheel/cap operated(PD type short body)

100mm,Dia.,PN-1 With hand wheel/cap operated(PD type short body)

Design Features

Sluice valve shall conform to IS 14846 (ISI Marked). Except pump house, these valves

are to be installed in valve chamber. All valves of pump house and rising mains shall

be non-rising stem type.

The valves shall be free from sharp projections, which are likely to catch and hold

stringy materials. Valves shall close with clockwise rotation of the hand wheel. The

direction of closing and opening shall be marked on the hand wheel.

Volume-III, PRICE BID VKV RWSS

Necessary joining materials viz. bolts, nuts, washers, packing etc. shall be provided

by the contractor at his cost. The valves shall be fixed so as to have axis perfectly

horizontal. If required the contractor shall also carry out drilling of holes of

appropriate diameter in flanges in required numbers. A hand wheel shall be provided

for emergency operation. The hand wheel drive shall be mechanically independent.

The valve design shall take care of the pressure drop across the valve disc in case of

partial opening of the valve and shall take care of the erosion and cavitation effect

on the body and disc during such operation. Valve(s) subjected to back pressure shall

have the valve seat, disc and the operator suitably designed to ensure trouble-free

operation. The shaft diameter shall take into consideration, the maximum torque

required for the valve operation, the maximum differential pressure across the valve

disc when the valve is closed and the shock load due to accidental closure of the

valve disc. The disc shall be designed for maximum differential pressure across the

valve as well as the shock load due to accidental closure of the valve. Disc design

shall offer minimum head loss. Disc shall also offer minimum resistance to flow Disc

shape shall be contoured.

Valve seats shall be of a design that permits removal and replacement at site and

shall be securely clamped on the body or disc of the valve. Seat material shall be

suitable for the operating conditions and handling fluid and may be suitably

reinforced, if required. The seat design shall permit easy removal for replacement

purposes without the need for removing the valve from the line. No deposited or

welded seat rings permitted. The valve bearings shall be of 'self-lubricated' type and

shall not have any harmful effect due to handling fluid. Adjustable thrust bearing(s)

shall be provided to hold the valve disc securely in the center of the valve seat. Each

Sluice Valve shall be provided with a hand wheel for manual operation. For the

Valves located at inaccessible position, it shall be provided with extension spindle

and floor stand or hand lever / round chain to facilitate manual operation.

Hydrostatic Test

Each valve body shall be subjected to hydrostatic test (Body and Seat) as per IS

14846. For valves subjected to back pressure condition, leakage test shall be carried

out on both sides of the disc.

Performance Test

Each valve complete with operator shall be shop operated at least three (3) times

from fully closed to fully open conditions and reverse, hold at intermediate positions

under no flow condition, to prove the workability of the assembly.

Positive material Identification (PMI Test)

PMI test shall be checked at random for Stainless steel parts.

Test Certificates

Volume-III, PRICE BID VKV RWSS

When specified by Owner, the manufacturer shall issue a test certificate confirming

that the valves have been tested in accordance with this standard and stating the

actual pressures and medium used in the test.

Marking shall be cast integral on the body or on a plate securely attached to the body

for ‘DN’ size, ‘PN’ rating, Heat Number and Serial number.

Each valve shall be drained, cleaned, prepared and suitable protected with 2 coats of

red oxide and then black bituminous paint for minimum of 150 micron DFT on

surfaces before dispatch.

Electric Actuator

Each actuator shall be adequately sized to suit the application and be continuously

rated to suit the modulating control required. The gearbox shall be oil or grease

filled, and capable of installation in any position. All operating spindles, gears and

head stocks shall be provided with adequate points for lubrication. The valve

actuator shall be capable of producing not less than 1½ times the required valve

torque and shall be suitable for at least 15 minutes continuous operation.

The actuator starters shall be integrally housed with the actuator in robustly

constructed and totally enclosed weatherproof housing. The motor starter shall be

capable of starting the motor under the most severe conditions. The starter housing

shall be fitted with contacts and terminals for power supply, remote control and

remote positional indication, and shall also be fitted with internal heaters so as to

provide protection against damage due to condensation.

Each starter shall be equipped as follows: i. A.C. electric motor. ii. Reduction gear

unit. iii. Torque switch mechanism complete with set of torque switches. iv. Limit

switch mechanism complete with set of limit switches. v. Hand wheel for manual

operation. vi. Hand-auto changeover lever with suitable locking arrangement. vii.

Local control switch / push buttons viii. 415 V / 240 V AC control transformer.

The actuator shall be suitable for operation in the climate conditions and power

supply conditions given in the specification. The actuator shall be capable of

producing not less than 1½ time the maximum required torque and shall be suitable

for at least 15 minutes continuous operation. All local controls shall be protected by

a lockable cover.

SLUICE VALVE/GATE VALVE

Volume-III, PRICE BID VKV RWSS

No Component PN- 1.0/1.6 PN-2.0 PN-2.5 PN-4.0

CI IS 210 Gr. ASTM A216 Gr. WCB/

1 Body ASTM A216 Gr. WCB ASTM A216 Gr. WCB

FG260 ASTM A351 Gr. CF8

CI IS 210 Gr. ASTM A216 Gr. WCB/

2 Bonnet ASTM A216 Gr. WCB ASTM A216 Gr. WCB

FG260 ASTM A351 Gr. CF8

3 Wedge ASTM A217 Gr. CA15 ASTM A217 Gr. CA15 ASTM A217 Gr. CA15

CI IS 210 Gr. ASTM A216 Gr. WCB/

4 Gland ASTM A216 Gr. WCB ASTM A216 Gr. WCB

FG260 ASTM A351 Gr. CF8

5 Stem SS 410 SS 410 SS304 SS

6 Ring/Wedg IS 318 Gr LTB-2 ASTM A217 Gr. CA15 ASTM A217 Gr. CA15 ASTM A217 Gr. CA15

Gland Graphoil Filler with SS Graphoil Filler with SS

7 Jute and Hemp Graphoil Filler

Packing 304 wire winding 304 wire winding

ASTM A320 Gr L7 and ASTM A320 Gr L7 and ASTM A320 Gr L7 and

8 Nut Bolts Carbon steel

ASTM A194 Gr 4 ASTM A194 Gr 4 ASTM A194 Gr

9 and Stem IS 318 Gr LTB-2 SS 304 SS 304 SS

10 Cast Iron Cast Steel Cast Steel Cast Steel/SS

ASME/ANSI B16.5 Class ASME/ANSI B16.5 Class ASME/ANSI B16.5 Class

11 Flange End IS

MODE OF MEASUREMENT AND PAYMENT

Measurement shall be paid on number basis as per relevant dia of the item in

Payment schedule of the tender.

ITEM NO. 3 MS Specials

M. S. specials flanged ends

Up to 300 mm dia.

 Manufacture, Supply & Delivery of M.S. Specials of various diameter and class. The

delivery of specials is to be made to site of works including all taxes, loading,

unloading, carting, stacking, insurance, inspection charges, Octroi etc. complete.

 Specials shall conform to the appropriate dimensions as Section 4 of BS 534:1990.

Specials shall be formed from straight pipes butt-welded by metal arc process.

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 M.S. Specials with all types of diameters suitable to pipes with inner cement mortar

 The coating and lining on the straight pipe shall be cut back from the points to

welded or cut for sufficient distance to ensure that no material intended to remain

part of the coating is damaged by the cutting or welding process.

 Welding of specials shall be of standard equal to that of straight pipes and are

subjected to a 100% radiographic test.

 All fillet welds shall be subjected to air tests appropriate and/or magnetic crack

detection test.

 The outside diameter of specials shall conform to the outside diameter of the

standard straight pipes.

 The ends of pipe-ended specials shall be truly circular and shall conform to the

tolerance required for fitting of mechanical couplings and flange adaptors.

 The necessary M.S. Specials required during the lowering & lying of M.S. Pipe shall be

supplied by the agency and shall be as per standard specification and as per IS

specification. It shall be of best quality as per requirement.

 Rate shall be including loading, unloading, carting, insurance and labour charge etc.

 The payment shall be made on Kg. basis

ITEM NO. 4 Excavation for pipe line trenches for water supply, sewerage line, manhole

etc. all with shoring and struting if required as per required gradient and line

including safety provisions using site rails and stacking excavated stuff

including up to all required lead cleaning the site etc. complete for all lifts

and strata as specified.

4.1 In all sorts of soil and soft murrum,Upto 1.50 mt depth

4.2 In hard rock and / or in C. C. 1:2:4 or RCC with blasting, breaking,

chiseling, or by chiseling/breaking only,Upto 1.50 mt depth

1.1. Any soil which generally yields to the application of pickaxes and shovels, phawaras,

rakes or any such ordinary excavating implement or organic soil, gravel, silt,

sand turfloam, clay, peat etc., fall under this category.

2.0 Clearing the site :

2.1 The site on which the structure is to be built shall be cleared and all

obstructions, loose stone, materials and rubbish of all kind, bush, wood

and trees shall be removed as directed: The materials so obtained shall

be property of the Government and be conveyed and stacked as directed within

50 M. lead. The roots of the trees coming in the sides shall be cut and coated

with a hot asphalt.

2.2 The rate of site clearance is deemed to be included in the rate of earth work for which

no extra will be paid.

3.0 Setting out: After clearing the site, the center lines will be given by the Engineer-in-

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charge. The contractor shall assume full responsibility for alignment, elevation

and dimension of each and all parts of the tractor shall assume fu; responsibility

for alignment elevation and dimension of each and all parts of the work.

Contractor shall supply labourers, materials, etc. required for setting out the

reference marks and bench marks and shall maintain them a long as required and

4.0 Excavation : The excavation in foundation shall be carried out in true line and level and

shall have the width and depth as shown in the drawings or as directed. The

contractor shall do the necessary shoring and shutting or providing

necessary slopes to a safe angle, at his own cost. The payment for sue

precautionary measures shall be paid separately if not specified. The bottom of

the excavated area shall be evelled both longitudinally and transfersely as

directed by removing and watering as required. No earth filling will be allowed

for bringing it t o level, if by mistake or any; other reason excavation is made

deeper or wider that shwon on the plan or directed. The extra depth or

width shall be made up with concrete of same proportion as specified for

the foundation concrete at the cost of the contractor. The excavation

upto 1.5 m. depth shall be measured under this item.

5.0. Disposal of the excavated studd :

5.1. The excavated stuff of the selected type shall be used in filling the trenches and plinth

or levelling the ground in layers including ramming and watering etc.

5.2. The balance of the excavated quantity shall be removed by the contractor from the site

of work to a place as directed with lead upto 50 M. and all lift.

6.0. Mode of Measurement and Payment:

6.1. The measurement of excavation in trenches for foundation shall be made according to

the sections of trenches shown on the drawing or as per sections given by the

Engineer-in-charge. No payment shall be made for surplus excavation made in

excess of above requirements or due to slopping and sloping back as found

necessary on account of conditions of soil and requirements of safety.

6.2. Mode Of Payment:- The rate-shall be for a unit of one Cubic Metre as per Price

ITEM NO. 5 Lowering, laying, fixing and jointing PVC/uPVC/cPVC pipes and specials of

following class and diameter including cost of conveyance from stores to

site of works including cost of labour, material, cement solvent, giving

satisfactory hydraulic testing as per ISI code.

90mm,Dia.,PVC Pipe line,6 Kg/cm2

110mm,Dia.,PVC Pipe line,6 Kg/cm2

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1) The excavation for trenches shall be done before laying of the pipes as per

required depth and width so that adequate space can be made available for joint.

2) The pipes & joints shall be procured, supplied by the Contractor at work site

at his own cost. Every care shall be taken in carting them to site. During

transportation any damage shall be occurring to pipes for fittings the replacement of

pipes given by the contractor at his own cost.

3) Before laying the pipes it shall be brushed throughout length so that the dust

and soil can be removed.

4) Reducer bends tees, and adopter etc. to be supplied by the contractor as per

5) All the specials such as bends, tees, reducer, etc. shall be fixed as per

instruction of engineer-in-charge in the pipeline.

6) The pipe shall be hydraulically tested during the testing no leakage shall be

observed. If, leakage observed, it shall be set rightly by the contractor at his own

cost as per the instruction of engineer-in-charge. The payment shall be as per

payment schedule.

b) PVC Specials (N.A)

1 Specials as per site requirement shall be supplied by the contractor. The

specials should be as per standard and shall be got approved by the Engineer in

charge before being used. The specials should be perfectly in working condition and

having necessary threads holes etc. as per standard.

2 PVC specials should be as per IS standard specification and should be price

make. All the specials should be suitable for PVC pipes for which it is being used.

The Scope For The Item Cover

Cost of additional excavation required for jointing clearing the site of all scrubs,

bushes, and trees and dewatering where necessary.

Labour for laying pipes in trenches to correct alignment at required depth with tools,

including cutting of pipes and specials if required for laying of pipes including

connecting pipes to specials and appurtenances. Cost of the scaffolding, tools and

plants, ropes etc.

Protection of existing works from damage and cost of repair to the damages carried

out to the existing structure, sewer line telephone/electricity cables, electric cables,

electric lines, gas pipe line, irrigation pipe line etc

Providing, supplying and fixing all PVC specials required for laying.

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The pipe laying across the state highways, national highways etc. will have to be done

either through open cut method or through push through method depending upon the

requirement to be prescribed by the sanctioning authority. However, mostly it would

be push through method.

GWSSB will not be able to provide water for testing of the pipelines & water

containers of the project. This shall have to be managed by the contractor at his cost

Labour for making joints including jointing material for joints, tools as well as tests.

Testing of pipes for leakage under water pressure and flushing the pipes after testing

and construction work shall have to be arranged by the contractor at his own cost.

After each section of the pipeline has been completed it shall be tested for water

tightness before being covered. The contractor shall at his own cost fill up water in

pipe line and given necessary hydraulic test section by section and the pipe line shall

stand the pressure which shall stand the pressure which shall exceed the working

pressure by (a) 50% of the highest pressure in the section. (b) 30m whichever is less

without showing any leakage or sweating anywhere in the pipes joints specials valves

etc. it any defect are found the contractor shall be made good the same at his own

Any leaking joints shall be made good and above test pressure in to be lowered

gradually after satisfactory test is & over.

GWSSB will not be able to provide water for testing of the pipelines & water

containers of the project. This shall have to be managed by the contractor at his

costs and risk.

The hydraulic test shall be given again if considered necessary by the Executive

Engineer or his representative to show that no further leakages or sweating is there.

The contractor shall have to make necessary arrangements for water testing as well

as plugging the opening of pipes etc. as directed without claiming any extra cost. The

pipelines shall be kept filled with water for a work lines shall be kept filled with

water for a week or till it is situated for testing is done.

If the pipe lines are laid in detached sanctioned & not in continuous length due to any

reasons such as non-availability of specials or due to obstacle etc. The contractor

shall see that no end of pipes length is kept open-ends are immediately covered up

either by suitable blank flange or cap slug or by means of double layer gunny bags

clothes tied properly by mild steel wire without any claim for extra-cost.

Method Of Measurement Of Pipes:

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The measurement shall be recorded in running meter of pipe length laid along center

line or axis of pipe line including tees, enlarges, reducers and bends correct up to

0.01M. length. No payment shall be made for overlaps etc.

The payment shall be paid after completion of whole item as mentioned in price bid

on Number basis.

ITEM NO. 6 Lowering, laying and jointing G. I. pipes with G. I. specials of following

diameters in proper position, grade and alignment as directed by Engineer-

in-charge including conveyance from stores to site of work, labour, giving

hydraulic testing, etc. comple

80 mm,Dia.,Medium Duty

100 mm,Dia.,Medium Duty

The work shall be carried out as per the description of the item in Schedule-

The required G.I. Pipe shall be provided by contractor at site of work “B” class.

Galvanized M.S. tubes with coupling medium type shall be supplied by contractor.

The G.I. Pipe shall be “B” class rate including fixing necessary hand, elbow, tees,

reducers etc. payment shall be made on Rmt. Basis. The 30% payment with the be

with held for hydraulic testing. The rat including the excavation & refilling if

G.I. Pipe shall be fitted properly including bend, Tees, Elbow, Union etc.

Fitting shall be in properly manner as pump line

No leakage shall be observed if leakage is accrued same shall be rectified etc. comp.

Method Of Measurement and Payment:

Payment shall be made per Rmt. Basis.

ITEM NO. 7 Lowering, laying and jointing in position following C. I. Sluice valves and Air

valves including cost of all labour, jointing material, including nut bolts and

giving satisfactory hydraulic testing, etc. complete.

80mm,Dia.,PN-1 With hand wheel/cap operated(PD type short body)

100mm,Dia.,PN-1 With hand wheel/cap operated(PD type short body)

Design Features

Sluice valve shall conform to IS 14846 (ISI Marked). Except pump house, these valves

are to be installed in valve chamber. All valves of pump house and rising mains shall

be non-rising stem type.

The valves shall be free from sharp projections, which are likely to catch and hold

stringy materials. Valves shall close with clockwise rotation of the hand wheel. The

direction of closing and opening shall be marked on the hand wheel.

Necessary joining materials viz. bolts, nuts, washers, packing etc. shall be provided

by the contractor at his cost. The valves shall be fixed so as to have axis perfectly

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horizontal. If required the contractor shall also carry out drilling of holes of

appropriate diameter in flanges in required numbers. A hand wheel shall be provided

for emergency operation. The hand wheel drive shall be mechanically independent.

The valve design shall take care of the pressure drop across the valve disc in case of

partial opening of the valve and shall take care of the erosion and cavitation effect

on the body and disc during such operation. Valve(s) subjected to back pressure shall

have the valve seat, disc and the operator suitably designed to ensure trouble-free

operation. The shaft diameter shall take into consideration, the maximum torque

required for the valve operation, the maximum differential pressure across the valve

disc when the valve is closed and the shock load due to accidental closure of the

valve disc. The disc shall be designed for maximum differential pressure across the

valve as well as the shock load due to accidental closure of the valve. Disc design

shall offer minimum head loss. Disc shall also offer minimum resistance to flow Disc

shape shall be contoured.

Valve seats shall be of a design that permits removal and replacement at site and

shall be securely clamped on the body or disc of the valve. Seat material shall be

suitable for the operating conditions and handling fluid and may be suitably

reinforced, if required. The seat design shall permit easy removal for replacement

purposes without the need for removing the valve from the line. No deposited or

welded seat rings permitted. The valve bearings shall be of 'self-lubricated' type and

shall not have any harmful effect due to handling fluid. Adjustable thrust bearing(s)

shall be provided to hold the valve disc securely in the center of the valve seat. Each

Sluice Valve shall be provided with a hand wheel for manual operation. For the

Valves located at inaccessible position, it shall be provided with extension spindle

and floor stand or hand lever / round chain to facilitate manual operation.

Hydrostatic Test

Each valve body shall be subjected to hydrostatic test (Body and Seat) as per IS

14846. For valves subjected to back pressure condition, leakage test shall be carried

out on both sides of the disc.

Performance Test

Each valve complete with operator shall be shop operated at least three (3) times

from fully closed to fully open conditions and reverse, hold at intermediate positions

under no flow condition, to prove the workability of the assembly.

Positive material Identification (PMI Test)

PMI test shall be checked at random for Stainless steel parts.

Test Certificates

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When specified by Owner, the manufacturer shall issue a test certificate confirming

that the valves have been tested in accordance with this standard and stating the

actual pressures and medium used in the test.

Marking shall be cast integral on the body or on a plate securely attached to the body

for ‘DN’ size, ‘PN’ rating, Heat Number and Serial number.

Each valve shall be drained, cleaned, prepared and suitable protected with 2 coats of

red oxide and then black bituminous paint for minimum of 150 micron DFT on

surfaces before dispatch.

Electric Actuator

Each actuator shall be adequately sized to suit the application and be continuously

rated to suit the modulating control required. The gearbox shall be oil or grease

filled, and capable of installation in any position. All operating spindles, gears and

head stocks shall be provided with adequate points for lubrication. The valve

actuator shall be capable of producing not less than 1½ times the required valve

torque and shall be suitable for at least 15 minutes continuous operation.

The actuator starters shall be integrally housed with the actuator in robustly

constructed and totally enclosed weatherproof housing. The motor starter shall be

capable of starting the motor under the most severe conditions. The starter housing

shall be fitted with contacts and terminals for power supply, remote control and

remote positional indication, and shall also be fitted with internal heaters so as to

provide protection against damage due to condensation.

Each starter shall be equipped as follows: i. A.C. electric motor. ii. Reduction gear

unit. iii. Torque switch mechanism complete with set of torque switches. iv. Limit

switch mechanism complete with set of limit switches. v. Hand wheel for manual

operation. vi. Hand-auto changeover lever with suitable locking arrangement. vii.

Local control switch / push buttons viii. 415 V / 240 V AC control transformer.

The actuator shall be suitable for operation in the climate conditions and power

supply conditions given in the specification. The actuator shall be capable of

producing not less than 1½ time the maximum required torque and shall be suitable

for at least 15 minutes continuous operation. All local controls shall be protected by

a lockable cover.

SLUICE VALVE/GATE VALVE

Volume-III, PRICE BID VKV RWSS

No Component PN- 1.0/1.6 PN-2.0 PN-2.5 PN-4.0

CI IS 210 Gr. ASTM A216 Gr. WCB/

1 Body ASTM A216 Gr. WCB ASTM A216 Gr. WCB

FG260 ASTM A351 Gr. CF8

CI IS 210 Gr. ASTM A216 Gr. WCB/

2 Bonnet ASTM A216 Gr. WCB ASTM A216 Gr. WCB

FG260 ASTM A351 Gr. CF8

3 Wedge ASTM A217 Gr. CA15 ASTM A217 Gr. CA15 ASTM A217 Gr. CA15

CI IS 210 Gr. ASTM A216 Gr. WCB/

4 Gland ASTM A216 Gr. WCB ASTM A216 Gr. WCB

FG260 ASTM A351 Gr. CF8

5 Stem SS 410 SS 410 SS304 SS

6 Ring/Wedg IS 318 Gr LTB-2 ASTM A217 Gr. CA15 ASTM A217 Gr. CA15 ASTM A217 Gr. CA15

Gland Graphoil Filler with SS Graphoil Filler with SS

7 Jute and Hemp Graphoil Filler

Packing 304 wire winding 304 wire winding

ASTM A320 Gr L7 and ASTM A320 Gr L7 and ASTM A320 Gr L7 and

8 Nut Bolts Carbon steel

ASTM A194 Gr 4 ASTM A194 Gr 4 ASTM A194 Gr

9 and Stem IS 318 Gr LTB-2 SS 304 SS 304 SS

10 Cast Iron Cast Steel Cast Steel Cast Steel/SS

ASME/ANSI B16.5 Class ASME/ANSI B16.5 Class ASME/ANSI B16.5 Class

11 Flange End IS

MODE OF MEASUREMENT AND PAYMENT

Measurement shall be paid on number basis as per relevant dia of the item in

Payment schedule of the tender.

ITEM NO. 8 Refilling the pipeline trenches incl. ramming, watering, consolidating

desposal of surplus stuff as directed within a radius of 3 km.

On completion of the pipe laying operations in any section, for a length of about

100m and while further work is still in progress, refilling of trenches shall be

started by the Contractor with a view of restricting the length of open trenches.

Pipe laying shall closely follow the progress of Trench Excavation and the

Contractor shall not permit unreasonably excessive lengths of trench excavation

to remain open while awaiting testing of the pipeline. If the Engineer considers

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that the Contractor is not complying with any of the foregoing requirements, he

may prohibit further trench excavation until he is satisfied with the progress of

laying and testing of pipes and refilling of trenches. The excavated material

nearest to the trench shall be used filling. Care shall be taken during backfilling,

not to injure or disturb the pipes, joints or coating. Filling shall be carried out

simultaneously on both sides of the pipes so that unequal pressure does not

occur. Walking or working on the completed pipeline unless the trench has been

filled to height of at least 30cm over the top of the pipe except as may be

necessary for tamping etc., during backfilling work.

The remaining portion of the trench may be filled in with a mixture of hard and

soft material free from boulders and clods of earth larger than 150mm in size if

sufficient quantity of good earth and murrum are not available. The trench shall

be refilled so as to build up to the original ground level, keeping due allowance

for subsequent settlement likely to take place. The top 300mm layer or fertile

agricultural soil shall be kept aside during excavation and shall be laid in layers

near ground level during refilling.

To prevent buckling of pipe shell of diameters 1200mm and above, pipes shall be

strutted from inside while the work of refilling is in progress, for which no

separate payment shall be made.

Strutting shall be done by means of strong spiders having at least 6 arms which

shall be sufficiently stiff to resist all deformation. Spiders shall be provided at a

maximum interval of 2m & shall be welded in such a way that internal coating

does not get burnt.

The Engineer shall, at all times, have powers to decide which portion of the

excavated materials shall be for filling and in which portion of the site and in

what manner it shall be so used.

If any material remains as surplus it shall be disposed of as directed by the

Engineer, which includes loading, unloading, transporting and spreading as

directed within all lead. If the Contractor fails to remove the earth from site

within 7 days after the period specified in a written notice, the Engineer may

arrange to carry out such work at the Contractor's risk and cost or may impose

such fine for such omission as he may deem fit. Particular care shall be taken to

keep the trench dry during the entire refilling operation.

If suitable material for refilling is not available for excavation the Contractor

shall bring earth, murrum of approved quality as directed by the Engineer.

No mechanical plant other than approved compacting equipment shall run over or

operate within the trench until backfilling has reached its final level or the

approval of the Engineer has been obtained.

Subsidence in filling in : Should any subsidence take place either in the filling of

the trenches or near about it during the maintenance period of 24 months from

the completion of the Contract Works, the Contractor shall make good the same

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at his own cost or the Engineer may without notice to the Contractor, make good

the same in any way and with any material that he may think proper, at the

expense of the Contractor. The Engineer may also, if he anticipates occurrence

of any subsidence, employ persons to give him timely notice of the necessity of

making good the same, and the expenses on this account shall be charged to the

Payment shall be as per payment schedule

The payment shall be made on Cum. basis.

ITEM NO. 9 Providing C.C.M.:100 for encasing pipes using trap metal size 12 mm to

mm incl. form work curing consolidation etc. complete for various location

on pipe line. Using trap metal 20 mm nominal size.

The concrete shall be consist of one part of ordinary Portland cement

confirming to IS 269-1976 Three parts of well graded angular best quality

river sand free of dust and organic matter and size 1 mm. To 3 mm and Six

parts of approved quality black trap kapachi of size 12 mm to 25 mm. All C.C.

work shall be carried out as per I.S.S. regulations and as per standing

practice and ordered prevailing in PWD. All the items are to be carried out

as per details supplied and as required and directed by the engineer in charge

or his authorized agencies. The work will have to be strictly as per approved

design and as directed by the engineer in charge.

The course aggregate and the fine aggregate for the concrete shall be

hard,clean,tough & durable and shall e free from all deleterious matter such

as dust,lump of clay,soft & flaxy pieces, shale alkali, organic matter.

The materials shall be got approved by the Engineer-In-Charge or his agent.

The proportion of course and fine aggregate shall be that one part of cement,

three parts of fine aggregates & Six parts of course aggregates by volume. The

proportion of cement & water of the water cement ratio shall be as specified,

having regard to the nature of work & strength to be developed.

Whether the concrete is mixed by hand or in a mechanical mixture. It shall be

thoroughly mixed and the concrete placed in its final position with the

minimum of delay. Every pieces of aggregate shall be uniformly coated by

Laying & Consolidation

The concrete must be laid gently (Not dumped) from height so as not to pent

segregation of aggregates .after placing it shall be well compacted by tampl

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and/or mortar to cream up. In no case ramming shall be prolonged after the

cement has begun to take its initial set. In no case, more water is added in

order to reduce the work of completion.

As soon as the concrete has set sufficiently the surface shall be protected

from rapid during by being covered with wet sand, wet gunny bags or where

possible by foaming shallow pools water on the top. The setting shall be

continued for at least 10 days & usually two to three weeks.

Water stops shall be cleaned before placing them in position. Oil or grease

shall be removed thoroughly using water and suitable detergents. Water stops

shall be procured in long lengths as manufactured to avoid joints as far as

possible. Standard L or T type of intersection pieces shall be procured for use

depending on their requirement. Any non-standard junctions shall be made by

cutting the pieces to profile for jointing. Lapping of water stops shall not be

permitted. All jointing shall be of fusion welded type as per manufacturer's

instructions. Water stops shall be placed at the correct location/level and

suitably supported at intervals with the reinforcement to ensure that it does

not deviate from its intended position during concreting and vibrating. Care

shall also be taken to ensure that no honey-combing occurs because of the

serrations/end grips, by placing concrete with smaller size aggregates in this

region. Projecting portions of the water stops embedded in concrete shall be

thoroughly cleaned of all mortar/ concrete coating before resuming further

concreting operations. The projecting water stop shall also be suitably

supported at intervals with the reinforcement to maintain its intended

position during concreting so as to ensure that it does not bend leading to

formation of pockets. In addition, smaller size aggregates shall be used for

concreting in this region also.

Mode of payment

80% payment if necessary shall be made after laying of concrete & 20%

payment shall be release after completion of curing period of exposed

The rate shall be paid per cum. of completed work as per payment schedule.

ITEM NO. 10 Labour charges for repairing of leakage in PVC pipeline of folling dia meter

at different places including necessary excavation manually or by mechanise

excavation. dewatering -emoving of mud, cleaning of pipe and leakage

portion, cutting the pipeline & removing piece of pipe from trench with

inclussive of mechanical devices JCB, Hycra/Crain if necessary & labours

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required with providing material such couplers, solution etc. comp. (incl. all

material but Exclu. cost of pipe)(For Leakage or Connection Work)

90mm,Dia.,PVC Pipe line,6 Kg/cm2

110mm,Dia.,PVC Pipe line,6 Kg/cm2

 The work shall be carried out as per Item Description & instruction of Engineer in charge.

 No extra Payment paid for Dewatering, Excavation, Mud Removing, JCB, Hydra & Crane

 No damage shall be occurred to existing line/structure.

 If any damage occurred, it should be rectified by the contractor at his own cost.

 The connection work shall be put into commission into its original condition after

completion of the main work.

The payment shall be made on number basis The payment shall be made on number basis

as per price bid.

ITEM NO. 11 Labour charges fo repairing of leakage in CI/DI/GI pipeline for following

diameter of different places including necessary excavation manually or by

machinery removing mud dewatering cleaning of pipe and leckage portion

and repairing by inserting load wool including tools required for inserting

lead wool, hiring charges of excavators, hydra/crane, dewatering set, fuel,

operator, cost of lead wool etc complete (including all material but excluding

80 mm,Dia.,Medium Duty

100 mm,Dia.,Medium Duty

 The work shall be carried out as per Item Description & instruction of Engineer in charge.

 No extra Payment paid for Dewatering, Excavation, Mud Removing, JCB, Hydra & Crane

 No damage shall be occurred to existing line/structure.

 If any damage occurred, it should be rectified by the contractor at his own cost.

 The connection work shall be put into commission into its original condition after

completion of the main work.

The payment shall be made on number basis The payment shall be made on number basis

as per price bid.

ITEM NO. 12 Extra welding for fixing various apprantances

Welding in all positions with required number runs, for M.S. pipes internally

and/or externally including gauging wherever necessary, fixing

appurtenances and other accessories in connection with pipe laying work as

per specification.

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Welding for pipe thickness 4mm to 7mm

Technical Specification Outline for MS Welding PPT

1. Material Specifications (MS Plate/Pipe)

 Material: Mild Steel (low carbon steel).

 Grade/Standard: Common MS grades such as ASTM A36 or ASTM SA516 Gr.70 for

pressure vessels.

 Preparation: Surfaces must be cleaned of rust, scale, oil, and moisture. In winter,

preheating may be required.

2. Welding Process & Equipment

 Primary Process: Shielded Metal Arc Welding (SMAW/Stick Welding) is common,

along with MIG (GMAW) for higher speed.

 Power Source: Constant Current (CC) for SMAW; Constant Voltage (CV) for MIG.

 Voltage: Primary: 230/460V; Secondary: 6 to 100 volts.

3. Consumables (Electrodes) for MS

 AWS Classification:

o E6013: General-purpose, light-duty, easy slag removal, good for sheet metal.

o E7018: Low hydrogen electrode for high-strength, structural, or thick MS

plates (requires dry storage).

o E6010/E6011: High penetration, suitable for root passes.

 Electrode Size: Typically 2.5mm, 3.15mm, or 4.0mm based on plate thickness.

4. Welding Parameters & Technique

 Joint Type: Butt joints (Single V-Groove), Lap joints, T-joints.

 Positions: 1G (Flat), 2G (Horizontal), 3G (Vertical), 4G (Overhead), 5G/6G (Pipe).

 Polarity: DC+ (Electrode Positive) for E7018; AC or DC for E6013.

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 Speed: Proper speed is essential (too slow = excessive width, too fast = shallow

5. Welding Procedure Specification (WPS) & Quality

 WPS/PQR: Documentation according to ASME Section IX or ISO

 Inspection: Visual Inspection, Radiography (RT), Ultrasonic (UT), Liquid Penetrant

(LPT), and Magnetic Particle Inspection (MPI).

 Defects to Avoid: Slag inclusion, porosity, undercut, lack of penetration, distortion.

6. Safety Measures

 Personal Protective Equipment (PPE): Welding helmet, gloves, protective clothing,

 Environmental: Proper ventilation to avoid inhalation of welding fumes.

The payment shall be made on RMT basis.

ITEM NO. 13 Drilling of Horizontal bore hole fer water main pipeline under the Railway/

Road tracks in all strata with required length including fixing of M.S.(or as

specified by Railway/ Road authority) casing pipe of suitable size and

Thickness, Rate includes the cost of Drilling of bore hole , Casing pipe &

welding pushing etc complete but excluding the cost of water main, valves

and other items. Entire work should be as per Approved Drawing and 4s per

instruction of Railway / Road authority for Following diameter of Bore hole.

Horizontal Drilling-200 & MS Casing Pipe-150 thick-5 mm

At railways, public highways, at such other crossings as are shown in the construction

drawings issued by the company the pipeline shall be installed in MS casing

pipes conforming to the specifications given herein.

The casing pipes shall be installed in accordance with the details given in

drawing and the casing, bushing and insulators, etc., shall be installed on the

carrier pipe as detailed in drawings. Casing pipe size shall be about 100 mm

(Hundred millimeters) larger than the carrier pipe to facilitate the insertion of

the later without disturbing the casing pipe and to provide adequate drainage,

Casing shall be installed with even bearing throughout its length and shall slope

towards one end, as specified or desired by the engineer-in-charge. The ends of

the casing shall be sealed to outside of carrier pipe in accordance with the

details given in drawing.

Volume-III, PRICE BID VKV RWSS

Before installation, holes for installing vent pipes shall be cut and burrs if any shall be

removed. The welding of both carrier pipe and casing pipe shall be done in accordance with the

welding specifications, given herein. Before installing the casing pipe, it should be cleaned of

all internal obstructions and during installation care should be taken to keep the inside clean.

The section of carrier pipe to be placed in any casing shall be closed at each end,

hydrostatically tested preferably with dead weight tester for at least two hours. Only on

successful completion of this test, shall the carrier pipe section be inserted in the casing pipe.

The installation of casing may open cut as circumstances may permit or require as directed by

the engineer-in-charge.

The installation of casing in bended section of the carrier pipe shall be performed by

metre bends of the casing pipe provided that the length of each metre cut out of casing pipe

shall be such as to provide a clearance of at least 1-1/2" between the inside of the casing pipe

and the outside of the coated carrier pipe.

Excavation for casing installation shall be immediately backfilled at the completion of

the work with suitable solid matter and packed thoroughly to prevent seepage of water into the

ROAD, RAILWAY AND IRRIGATION CANAL CROSSINGS:

At road, canal and railway crossings the work shall be performed to the specifications

of local authorities or such public bodies as may be in charge (S) of roads, railways and canals

to be crossed. In case, however the minimum requirements of the governing agencies are less

than those set out in the drawing or the specifications given herein, then the requirements

given in the drawings and the specifications given for encased line shall be followed.

Whereas the casing pipe in the case of encased line to be laid normal by boring,

tunneling, engineer-in-charge may at his discretion permit open-cuts to be made for the

installation of casing provided, however, that the TENDERER shall procure the necessary permit

/ license for the same from competent authority. At locations wherein the open cut methods

are permitted, the TENDERER shall pass the carrier pipe through the casing located in the

trench after the approval of the engineer-in-charge in writing and care shall be exercised to

avoid damage to pipe coating and wrapping during this operation. The TENDERER shall produce

a certificate in writing from concerned authorities for its satisfactory restoration and payment

At all crossings the carrier pipe shall be laid straight without bends so that if necessary

the pipe at a later date may be replaced without cutting the casing. The carrier pipe shall

extend at least 2 meters beyond the end of casing pipe at either end.

At railway crossings the TENDERER shall eliminate unnecessary bending of pipe to

conform to the contour of ground by gradually deepening the ditch at such approaches as

directed by the engineer-in-charge. Where the installation of the casing has been made by open

cut TENDERER shall install suitable temporary bridge work ensuring the safety of the traffic aids

Volume-III, PRICE BID VKV RWSS

and safeguards for protection of the public safety, or he shall provide suitable diversions as

desired by the engineer-in-charge.

At all railways pipeline crossings shall be bored with horizontal boring machine.

The method of carrying out a cased crossing by boring for various crossings on this

pipeline route shall be jointly inspected by the representative of the COMPANY and TENDERER

for each category of work prior to commencement of actual work.

Pipeline under railway track and irrigation canal an applicable portion of the right-of-

way shall be encased in accordance with the specification. This item of work shall include,

necessary clearing and grading required therefore, trenching to the depths and widths

required, welding of casing and carrier pipes, testing, lowering in, installation of vent

assembles, end seals, insulator and all other fittings that may be required, backfilling, clean

up, complete restoration to the original condition and further strengthening and protective

works as may be required. The work shall be carried out in accordance with the drawings and

as directed by the engineer-in-charge. For various operations mentioned above, the

specifications pertaining to these operations shall apply in addition to the specifications given

The TENDERER shall be permitted to use William Sons type Neoprene seals in place

of concrete end seals for the crossings. The item shall be procured by the TENDERER himself as

per the provisions under the appropriate head of work in case TENDERER so desires. The

representative of the COMPANY may also be associated to determine the quality of the material

and its delivery schedule from the open market. However, the particular work defined under

the proper head shall not be delayed on account of non-availability of Neoprene end seals. In

such case, concrete seals may be provided.

On both ends of pushing concrete supports are to be provided as per direction of

engineer-in-charge.

MODE OF PAYMENT:

The payment shall be made on Rmt basis as per price bid.

Signature of contractor Executive Engineer

Public Health Works Division