Leakage repairs complaints Works related to resolving (under CCRS), pollution, and increasing water pressure at various locations in Chandkheda Ward of the West Zone.(ARC)

5 Estimated Cost put to Rs.

6 Earnest Money Deposit Rs.10,000/- (Demand Draft or pay order infavour of Municipal Commissioner,

Ahmedabad /) To be submitted as below. Demand Draft or Bank Guarantee shall be

from Nationalized Bank / SheduledBank and valid for 120 days.(As per Latest AMC

finance dept.circular).

7 Security Deposit 5 % of the Sanctioned Tender Amount in form of Bank Guarantee/

Demand Draft / Local MICR Cheque. &attchedANNEXURE - 1finance

dept.circular No-14 Dt.4/6/13

8 Tender fees Rs.900/-Demand Draft in favour of Municipal Commissioner,

(Non refundable) Ahmedabad)

9 Submission of EMD and In separate sealed cover each for EMD and Tender Fees along with

Tender Fees Tender as described in the invitation of tender and submitted to Assistant

Manager(west zone),Ahmedabad Municipal Corporation, West Zone,

Zonal Office", Dr. Ramanbhai Patel Bhavan, Usmanpura, Ahmedabad.

10 Tenders issue date Tenders from the AMC website www.amc.nprocure.com&

www.nprocure.comshall be down loaded from AS PER TENDER NOTICE

11 Last Date of Submission Dt.01-09-2026upto18:00hrsAs per Notice inviting Tender / Addendum /

of the Corrigendum.. The tenders received after latest schedule date and time

Tender will not be entertained under any circumstances.

12 Tender Documents Dt.02-09-2026 upto12:00hrsto Assistant Manager / Dy.C.E.(W/Z) office, 2nd

Submission Floor, Dr. Ramanbhai Patel Bhavan,Usmanpura, Ahmedabad Municipal

Corporation, W.Z. Office, Ahmedabad-380013

13 Date of Opening Dt.02-09-2026 upto15:00hrs As per Notice inviting Tender / Addendum /

Corrigendum (only Techanical Bid) to Assistant Manager /

Dy.C.E.(W/Z) office, 2nd Floor, Dr. Ramanbhai Patel

Bhavan,Usmanpura, Ahmedabad Municipal Corporation, W.Z. Office,

Ahmedabad-380013

14 Mode of sending the Document shall be physically submitted in sealed envelope By

Tender Documents and RPAD/Speed post/ Hand Delivery in sealed covers in Duplicate (One

evalution of tender Original & One Duplicate) duly sign & seal by contractor

Tenders received without EMD shall be considered as Non-Responsiveand

shall be rejected outright.

15 Terms, Condition, & All general condition of contract of Form B1 condition of contract shall

Specification be applicable..

16 Defect &Liability Period The contractor shall be responsible to make good and remedy at his own

expense any defect which may develop or may be noticed before the

period mentioned hereunder from the certified date of completion, The

within 15 days of receipt of the notice. In the case of failure on the part of

the contractor, the Engineer-in-charge may rectify or remove or re-

execute the work at the risk & cost of the contractor. The Engineer-in-

charge shall be entitled to appropriate the whole or any part of the amount

of security deposit towards the expenses, if any, Incurred by him in

rectification, removal or re-execution. The Defects Liability period shall

be as under(a) for all works costing upto Rs. 50,000 ( amount put to

tender), the period shall be 3 months from the certified date of

(b) for all works costing more than Rs. 50,000 and upto Rs. 1 crore

(amount put tender), the period shall be 6 months from the certified date

of completion or one monsoon, whichever is later.

(c) for major projects costing more than Rs. 1 crore, the period shall be

months from the certified date of completion which should include one

(d) For building works, the period specified in (a), (b) or (c) above OR

elapse of monsoon period following the certified date of completion,

whichever is later. For the purpose of deciding the monsoon period, the

30th September may be treated as the last date.

17 Time permitted to start Whenever a work is allotted by Engineering staff, whether minor or

parts of work major of part thereof of any amount, the contractor shall be bound to

start the works within 48 hours of intimation of work.

Communication done telephonically via Calls,SMS, Via Whatsapp

and through letter / E-mail shall be considered legal and binding for

the same. Failure of comply to start the works in 48 hours of

intimation as above by contractor the contractor shall be levied

penalty of (1) Rs.1000/- per day (for tenders amounting upto

Lakhs), (2) Rs.2500 per day (for tenders amounting above 10 Lakhs

and upto 30 Lakhs), (3) Rs.5000 per day (for all tenders amounting

above 30 Lakhs). Three times failures by contractor shall make

contractor responsible to be black listed unless and otherwise

justified properly in writing / binding within 15 days of last notice of

18 Compensation for Delay 10% of Remaining work (As per Circular)

19 Addendum/Corrigendum Addendum/Corrigendum If any Shall be Published 48 Hrs. Price To the

Final Submission Time And Date. The Same Shall From a part Of Tender

AndThe Same As to be Attached Along WithThe Tender Document.

20 EPF Act As per Acoount Department circular no-37 Date:09/08/2018

21 GST 18% GST will be paid extra by AMC/Authority at prevailing rate to the

22 Municipal Commissioner reserves the rights to reject any or all the tenders without assigning any

reasons thereof.

23 Conditional tenders will not be accepted.

24 Mobilization advance will not be given.

25 Contractor has to provide more than one number of gangs as per the works allotted and in case of non

providing of gangs and machinery at all sites at given time shall be treated as delayed by contractor

and penalty shall be levied on per day delay as mentioned as above.(the amounr shall be as instructed

earlier based on the tender amount)

26 The staff of the contractor shall wear safety jackets,hoes, helmets etc. while on duty and any violation

will attractfineofRs. 5,000/-foreach incident. Failure to erect safety signage or trying to carry out the

works with out proper precautions/safety measures as required will attract a fine of Rs.5,000/-for each

27 The contractor shall adhere to the maintenance schedule outlined in the tender documents and comply

with the prevailing AMC circulars issued from time to time.

Seal and Signature of the Bidder Add. City Engineer

AHMEDABAD MUNICLPAL CORPORATION

MAHANAGAR SEVA SADAN

N am e o f Wo r k : - Leakage repairs complaints Works related to resolving(under CCRS), pollution, and

increasing water pressure at various locations in Chandkheda Ward of the West Zone.(ARC)

Sr.No. Qty. Item Description Rate Per Amount

Transporting from AMC store and laying

spigot and socket New DI pipe line DI-k-9

pipes of various classes with CI/DI/MS specials

of following diameters. Rate includes

excavation up to minimum 1.0 mt. depth from

1 top of pipe / as per requirement in any soil,

refilling after laying pipe, covering and

temptation of carting surplus earth up to

mt. lead and watering and compaction.

Clearing the site. All Joints shall be made tight

& leak free etc. comp.

80 mm Ø 63.39 Rmt

0 200 mm Ø 93.75 Rmt

0 450 mm Ø 275 Rmt

Removing & relaying of existing CI/DI pipe

line& Specials, Cleaning of pipe & Specials

2 from Inside, including excavation, refilling etc.

comp. in line & level with any type of joints as

per instruction of engg. in charge.

0 80 mm Ø 63.39 Rmt

0 200 mm Ø 93.75 Rmt

0 250 mm Ø 112.5 Rmt

Labour charges for installing and jointing

Sluice Valves including loading, transporting

from owner's store, lowering in location to the

required with excavation refilling alignment by

3 crane/ tripod and chain block including cost of

total nos. of nuts, bolts, Necessary gaskets

and excluding fixing of tail pieces with lead &

jute etc complete as directed by Engg. in

Cutting of existing pipelines of following

diameters including carting of nece. specials

from AMC store to site and from site to AMC

store (recovered materials) nace. labours for

excavation, jodan& backfilling fitter,

supervisor, etc. complete. Rate also includes

electric cutter, dewatering pump fuel and

transportation of machineries, chain pulley

block if requires working at an instructed

specific time of day or night etc. complete.

Labours charges for collecting specials from

Municipals store loading , transportation,

unloading to the site, laying and fixing CI

5 200 specials inclusive of all jointing materials like 21.43 Kg

lead, spun etc.andlabour, exacavation re-

filling and nece. dewatering as per

instrucation of engg. incharge.

Labour charges for repairing of leakage in

CI/DI pipeline for following diameter at

different places including necessary

excavation manually or by machinery,

removing mud, dewatering, cleaning of pipe

and leakage portion and repairing by Inserting

lead 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 of

pipe) (GWSSB RATE 2021-22, item no.2)

0 (A) 80 mm dia 742 No

50 (B) 100 mm dia 1044 No

50 (C) 150 mm dia 1415 No

50 (D) 200 mm dia 1757 No

50 (E) 250 mm dia 2571 No

5 (F) 300 mm dia. 2871 No

0 (G) 350 mm dia. 2957 No

2 (H) 400 mm dia. 3841 No

2 (i) 450 mm dia. 4878 No

0 (j) 500 mm dia. 5070 No

0 (k) 600 mm dia. 7297 No

0 (l) 700 mm dia. 8372 No

Excavation for trail pit of maximum

diamension of 1.5 mt x0.75 x 1.5 mt depth for

location of existing line including excavation

but excluding cost asphalt cutting but

including refilling, watering etc. comp as per

instruction of Engg in charge.

Making hole on existing CI/DI/MS water pipe

line including nacessary GI fittings item also

8 0 includes necessary excavation, dewatering

and refilling as per instruction engg. In charge

20 A) 15 mm Dia 312.5 No

20 B) 20 mm Dia 401.79 No

20 C) 25 mm Dia 535.71 No

2 D) 40 mm Dia 1785.71 No

0 E) 50 mm Dia 2678.57 No

Labour for change of GI water pipe line up to

customer end.(in Muni.Limit)

Labour Work for temp Jodan of ex.line for

running water supply incl making collar

10 4 between gap of pipe & jointing with jute & 267.86 No

day after removing all this as per instetc.comp

Labour charges for doing washout of water

pipe line at end including necessary

excavation refilling the pit. Allowing the water

11 10 to flow for 15 minutes twice or thrice as per 669.64 No

site condition during supply hour, dewatering

the pit and plugging with existing wooden

butch. etc. comp. as per instruction.

Supplying wooden taper bunches from jungle

wood (Like limda, ambo) Etc.comp.

20 (A) 15 Mm dia. to 20 MM dia. 13.39 No

20 (B) 25 Mm dia. to 37 MM dia. 17.86 No

20 (C) 50 Mm dia. 89.29 No

2 (D) 80 mm dia to 100 mm dia line 312.5 No

0 (E) 150 mm dia 446.43 No

0 (F) 200 mm dia 714.29 No

P/S OF good quality of rubber rings for

following dia meter.

10 (A) 80 mm dia 22.32 No

10 (B) 100 mm dia 44.64 No

0 (C) 150 mm dia. 53.57 No

0 (D) 200 mm dia. 93.75 No

0 (E)250 mm dia. 125 No

Providing , Supplying and fixing ISI mark

approved quality for ferrulconnecting to

existing CI/DI pipe line of water tight joints per

inst.ofengg. in charge

20 (A) 15 mm dia 223.21 No

20 (B) 20 mm dia 312.5 No

20 (C) 25 mm dia 491.07 No

2 (D) 40 mm dia 714.29 No

Removing any kind of pavement incl stacking

15 2 of serviceble material disposal of unserviceble 12.5 Smt

material with 50 meter lead and lift.

Conveyance charge of earth ,lime,murrum,

building rubbish, manual

garbage,sludge,excavatedrock ,fly ash,

aggregate of any kind etc. comp.up to 5.0 Km.

lead (Based on Building SOR 2015-16, P-589 -

Item code- 3.2.1)

Extra rate over item of excavation of earth

for excavation of asphalt pavement of

thickness up to 0.20 meter including

demolishing the asphalt

carpet,metal,soilingetc.comp. with stacking

the material as directed.

4 a) up to 0.20 meter thickness (By Manual) 71.43 Smt

b)Up to 0.30 meter (By Breaker Machine

including cost of operator, fuel, &

transportation etc complete.

c) 0.30 meter & above (By Breaker Machine

50 including cost of operator, fuel, & 312.5 Smt

transportation etc complete.

Supplying Pneumatic Breaker Machine for

RCC Slab or Asphalt Demolishing Work on site

by using Operator, fuel, power Supply etc.

Complete as Directed. (No payment should be

allowed for non working condition of

machinery and for pipe line excavation and

M.H. work. Allowed only for break down

Providing & Supplying JCB Machine on rental

basis in case of emergency situation and break

down type work & also during unavoidable

condition as per instruction of engg.incharge

rate includes all nece. shifting, fuel and

19 60 operating charges and stacking of useful & 535.71 HR

non-useful materials separately up to store.

(No payment should be allowed for non

working condition of machinery and for pipe

line excavation and laying work) ( Based on

Previously approved rate by C E sir

Providing and operation dewatering Pump

including fuel charges & operator Charges etc.

as directed etc. comp. (Shift for Eight Hour)

20 30 (For Each Pump Set, No payment should be 535.71 Shift

allowed for non working condition of

machinery) (Based on Previously approved

rate by C E sir )

Providing, laying and jointing in true line and

level U.P.V.C pipe (SCH - 40) for cold water

including fittings make PRINCE /SUPREME

/ASTRAL / FINOLEX o requivalent as approved

by Engineer InCharge . Pipe shall be fixed on

21 0 the wall with the help of clamp at every

mm centre to centre or shall be concealed as

directed including necessary fittings etc.

including testing of pipe and joints and fixing

the same with adhesive solvent, including cost

of all materials. (As per uilding SOR 2015-16)

5 15 mm 75.8 Rmt

Providing , Supplying and using size 15 to

mm dia .PVC pipe line up to 1 mtr length with

material like pipe, coupler, union, Elbow

tee,endcap ,band,F.T,M.T,Tailpeice,reducer

22 4 ,M-seal, solution,Excavation pr day per ward 334.82 No

including labour and fitter to prevent leakage

etc.and Fixing with existing PVC/DI/C line

perinst.ofengg. in charge.Excavation including

Labour and fitter.

Providing,Supplying and fixing PVC TEE

23 0 including labour cost for leakage .6

kg/cm.smtinstr of engg in charge .

Providing,Supplying and fixing withlabour cost

24 0 Elbow for leakage PVC 6 kg/cm.smtinstr of

engg in charge .

Providing, Supplying and fixing with labour

25 0 cost End cap for leakage PVC

kg/cm.smtinstr of engg in charge .

Providing,Supplying and fixing with labour

26 0 cost Band for leakage PVC 6 kg/cm.smtinstr

of engg in charge

Providing,Supplying and fixing with labour

27 0 cost Reducer for leakage PVC

kg/cm.smtinstr of engg in charge

Providing, Supplying and fixing to wall celling

and floor 6 kg.f / cm. smt working pressure

polyethylene pipe of the following out sidedia

Low density complete with special flange

Empression type fitting wall clips

etcincl.making good the wall celling and floor.

10 (A)15 MM 75 rmt

Providing,Supplying and fixing Chek nut for

29 0 Sluice valve CI/MS/GM or Brass instr of engg

Providing,Supplying and fixing Spindle for

30 0 Sluice valveCI/MS/GM or Brass instr of engg

Providing,Supplying and Laying diff diasluice

valves Glen dory leakagereparing the

31 4 excavation in any type of soil ,refiling, 343.75 No

necessary nuts,boltsetccomplete asengg in

Supplying, labour for excavation of all types

of soil at any depth including excavation of

asphalt pavement of any thickness, demolition

of brick work in CM of any proportion

including stacking of serviceable materials and

disposal of unserviceable material etc. comp.

as directed.(AHMEDABAD CITY (R & B)

A 320 Unskilled Labours / Mazdoor at day /night 452 No

B 80 Fitter/Mason/Gas operator at day / Night 697 No

C 80 Makadam/ Supervisor at day / Night 711 No

Supplying of Lead as per instruction of engg.

Supplying of jute (Spun Yarn) as per

instruction of engg. In charge

Barricading the entire break down or

excavated area on rental basis using wooden

ballies / M.S.angles at max. 2.00 metercentre

to centre, C.G.I. Sheet, reflective paint / Board

out side to avoid accident & for smooth traffic

35 5 diversion & movement including cautionary 80.36 Rmt

board etc. Item also includes for making

temporary sufficient nos of lighting

arrangement through out the work with

necessary required arrangement. The same

shall be removed after completion of work.

Labour work for reinstament or asphalt

pavmentcovering excvation watering

consoldation resoiling meating with the

36 5 activity of teackcoat including carting the mix 44.64 Smt

from the nearest store pacting it with

convayance charge of excavation earth

etc.comp as directed.

Providing, laying, spreading and compacting

gradedstone aggregate to wet mix macadam

specificationincluding premixing the Material

with water at OMCin mechanical mix plant

37 0 carriage ofmixedMaterialby tipper to site,

laying inuniform layers in subbase/ base

course on wellprepared surface

andcompactingwithvibratory roller to achieve

thedesired density as per MoRTH clause

10 (A) Supply of WMM 1,675.00 Cmt

9 (B) Laying of WMM 35 Cmt

Labour work for fixing any kind of paving

38 0 with cement pointing in CM 1:2, including

watering, ramming etc comp. as directed

Laying on Sand bedding as per requirement to

2 fix the C.C.Block / Nibhada Stone in Line & 69.64 Smt

Providing And Jointing Stoneware Pipes Incl.

Excavation Up to 2 Mt. Refilling, Transporting

Pipes To Work Site, Unloading, Lowering In

Trench, jointing material Such As Cement,

39 0 sand, Hemp Bitumen As Directed, Incl.

Watering The Trenches Spreading And Carting

away Of Surplus material as directed by

engineer in charge. (Based on Building SOR

4 10 cm dia. (P-277- Item code- 24001A) 119.64 Rmt.

19 15 cm dia. (P-277- Item code- 24001B) 163.39 Rmt.

0 20 cm dia. 312.5 Rmt.

10 23 cm dia. 344.64 Rmt.

Repairing damaged I.C./ Raising removing

damaged brick work and repairing by brick

masonry in C.M. 1:5 and plaster in C.M. 1:3

40 1 and fixing C.I. steps and existing chamber 401.79 No.

sheet cover, removing the debris from

chamber and carting the same as directed.

(Based on Drainage SOR 2009-10)

Supplying Electric Breaker Machine for RCC

Slab or Asphalt Demolishing Work on site by

using Operator, fuel, power Supply etc.

Complete as Directed. (No payment should be

41 40 allowed for non working condition of 1071.43

machinery and for pipe line excavation and

M.H. work. Allowed only for break down

work) ( Based on Previously approved rate by

To provide Tractor with Hydraulic Trolley,

driver with fuel, to carryout different works

during day/night for 12 Hrs. Shift. Work shall

be carried out as per the instructions of Shift

Engineer In-Charge. No extra charged shall be

paid for night shift.

Providing and fixng gun metal check or non-

43 0 reurn full way wheel valve (S.O.R-2015/16,

Sr.no-32, item no-23.95, page no-569)

2 (A)15mmdiameter. 191.96 Each

1 (B) 20 mm diameter. 209.82 Each

2 (C) 25 mm diameter. 431.25 Each

1 (D) 32 mm diameter. 322.32 Each

1 (E) 40 mm diameter. 680.36 Each

(in words also)

CONTRACTOR'S SIGNATURE ADDL.CITY ENGINEER

& STAMP (West Zone)

AHMEDABAD MUNICIPAL CORPORATION

Invitation for Bid (IFB)

1. The AHMEDABAD MUNICIPAL CORPORATION, (Here in after called “the Employer”) invites

sealed Tender document from reputed and qualified bidders for the construction of Works

detailed in the Table below:-

Sr. No. Name of Works Approximate Bid Security Completion

value of works (Rs.) Period

1 Leakage repairs complaints Works related

to resolving (under CCRS), pollution, and

increasing water pressure at various 10,000.00 12 months

locations in Chandkheda Ward of the

West Zone.(ARC)

2. Tender (a complete set of bidding document) fee shall be Rs.900/- in the form of Demand

Draft / Pay Order from any Nationalized Bank in favor of MUNICIPAL COMMISSIONER,

Ahmedabad, payable at Ahmedabad, which shall be non refundable. The fees shall be paid at

the time of submitting the tender.

3. Interested bidders shall download the tender documents from AMC’s website

www.egovamc.com. up to Dt.01.09.2026at.18.00 PMtender fee as mentioned in clause

above shall be paid by the bidder at the time of bid submission.

4. All bids must be accompanied by Bid Security of the amount specified for the Works in the

above Table payable at Ahmedabad and drawn in favor of AHMEDABAD MUNICIPAL

CORPORATION, Ahmedabad. Bid Security will have to be in any one of the forms as specified

in Clause of ITB (Instructions to Bidders).

5. All Bids must be delivered to Assistant Manager "West Zone, Zonal Office", Dr. Ramanbhai

Patel Bhavan, Usmanpura, Ahmedabad. Not later than12.00PM on Dt..02.09.2026

Seal and Signature of the Bidder Addl. City Engineer

As per account department(A.M.C.) circular no. 56, Dt.19/09/2016 Bank guarantee of said

work must be ofAhmedabad city branch, which mentioned as bellow.

(A) Guarantee issued by following bankswill be accepted as SD/EMD on permanentbasis.

(1) All Nationalized Banks including the Public Sector Bank-IDBI LYF.

(2) Private Sector Banks authorized by RBI to undertake State Government

Business (at present : AXIS Bank, ICICI Bank, HDFC Bank)

(B) Guarantees issued by following Banks will be accepted as SD/EMD for the period up to.

(1) Commercial Banks :

(1) Kotak Mahindra Bank

(2) RBL Bank (The Ratnakar Bank Ltd.)

(3) IndusInd Bank.

(4) Karur Vysya Bank.

(6) FEDERAL Bank.

(7) SOUTH INDIAN Bank.

(2) Co-Operative Banks of Gujarat

(1) The Kalupur Commercial Co-Operative Bank Ltd.

(2) Rajkot Nagarik Sahakari Bank Ltd.

(3) The Mehsana Urban Co-Operative Bank Ltd.

(4) Nutan Nagarik Sahakari Bank Ltd.

(5) Saurashtra Gramin Bank.

AHMEDABAD MUNICLPAL CORPORATION

MAHANAGAR SEVA SADAN

DETAILS OF BANK ACCOUT

1 Contractor's name

3 Telephone/ mobile no.

4 Permanent account no. (PAN

5 Name of the bank

6 Branch name and address

11 Contractor/ supplier's

signature and stamp

AHMEDABAD MUNICIPAL CORPORATION

ENGINEERING DEPARTMENT

GENERAL CONDITION

1. Contractor shall produce the relevant registration certificate of AMC / State Govt /Central Govt.

2. Contractor shall register the work to labour commissioner as per labour act.

3. Contractor shall not sub-let the work without permission of the authority

4. Contractor should have sufficient skilled and unskilled laborers so that he shall start work at

different sites simultaneously. Contractor's having labour force available during festivals shall only

apply. Contractor can not stop the work due to on availably of labour force. In case progress is

delayed, contractor shall be penalized 0.1% of Tender amount per day for work done after time

limit, maximum up to 10% for remaining work.

5. Bitumen rate difference will be paid as per tender conditions, if applicable.

6. Advance payment / machinery advance will not be paid.

7. Payment of running bill will be made as per recent A.M.C. policy in force.

8. No extra payment will be made due to increase of central / state Govt. Taxes.

9. If the work is not completed within time limit the penalty will be recovered from immediate bills of

10. If the material i.e. MH cover C.C block etc. supplied from Municipal Corporation store then

contractor shall not claim for any extra rate for non execution of such item, partly/fully.

11. In the specifications, "as directed"/"Approved" shall be taken to mean, "as directed"/approved" by

the Engineer-in-charge.

12. Wherever a reference to any Indian Standard appears in the specifications, it shall be taken to mean

as a reference to the latest edition of the same in force on the date of agreement.

13. In "Mode of Measurement" in the specifications wherever a dispute arises in the absence of specific

mention of a particular point or aspect, the provisions on these particular points, or aspects in the

relevant Indian Standards shall be referred to.

14. All measurements and computations, unless otherwise specified, shall be carried out nearest to the

following limits:

(i) Length, width and depth (height)------- 0.01 Meter.

(ii) Areas -----0.01 Sq. Mt.

(iii) Cubic Contents ------0.01 Cu.Mt.

15. The distance, which constitutes lead, shall be determined along the shortest practical route and not

necessarily the route actually taken. The decision of the Engineer-in-charge in this regard shall be

taken as final.

16. Where no lead is specified, it shall mean "all leads"

17. Lift shall be measured from plinth level.

18. Definite particulars covered in the items of work, through not mentioned or elucidated in it,

specifications shall be deemed to be included there in.

19. Reference to specifications of materials as made in the detailed specification of the items of work is

in the form of a designation containing the number of the specification of the material and prefix

20. Approval to the samples of various materials given by the Engineer-in-charge shall not absolve the

contractor from the responsibility of replacing defective material brought on site or materials used

in the work found defective at a later date.

21. The contract rate of the item of work shall be for the work completed in all respects.

22. No collection of materials shall be made before it is got approved from the Engineer-in-charge.

23. Collection of approved materials shall be done at site of work in a systematic manner. Materials

shall be stone at site of work in a systematic manner. Materials shall be stored in such a manner as

to prevent damage, deterioration or intrusion of foreign matter and to-ensure the preservation of

their quality and fitness for the work.

24. Materials, if and when rejected by the Engineer-in-charge, shall be immediately removed from the

site of work within 24 hours.

25. No materials shall be stored prior to, during and after execution shall be kept in sufficient numbers

and in good working condition on the site of the work.

26. All works shall be carried out in work man like manners per the best techniques for the particular

27. All tools, templates, machinery and equipment for correct execution of the work as well as for

checking lines, levels, alignment of the works during execution shall be kept in sufficient numbers

and in good working condition on the site of the work.

28. The mode, procedure and manner of execution shall be such that it does not cause damage or over

loading of the various components of the structure during execution or after completion of the

29. All necessary safety measures and precaution (including those laid down in the various relevant

Indian Standards) shall be taken to ensure the safety of men, materials and machinery on the works

as also of the work itself.

30. The testing charges of all materials shall be borne by the Contractor unless recovery at one percent

towards testing charges is separately made.

INSTRUCTION TO TENDERERS

TENDER VALIDITY PERIOD:

The tender shall be kept valid for acceptance for a period of One Hundred Twenty Calendar days

(120) from opening of price bids.

SECURITY DEPOSIT

Within 10 days of receipt of Acceptance from the Corporation, the successful tender shall furnish to

the Corporation Security Deposit of 3% (Three percent) of the contract price cheque or Bank

Guarantee, pay order, or demand draft of Nationalized Banks and Schedule Banks only.

CONTRACTOR'S SIGNATURE ADDL.CITY ENGINEER

& STAMP (West Zone)

AHMEDABAD MUNICIPAL CORPORATION

ENGINEERING DEPARTMENT

GENERAL SPECIFICATION

(1) The work sha ll be com pleted w ithin 12 Mont h.

(2) The contractor sha ll be remain responsi ble for Workm en’s compensation if any whe n suc h

case occurs. The cont ractor sha ll ar range fo rmed iampasa nt ni ght and fencing and p agi

and shall be responsible fo r any dama ge of life an d lim b or property if any ha ppe n, durin g

the executio n of work . In case of dispute fo r unsee n or overlooked items the decision of

the city Enginee r shall be final. The co ntract or sha ll have to g ive site clea n of all rubbish

on co mpletion of work a nd have over the buil di ng with f ina l finishi ng of t he work as

directed. All t he rej ected materia ls shall be removed from site withi n 24 hour s by

contractor at t his rsk and cost .

(3) Fo r m ixing m ortar either for masonry or fo r plaster or for any o ther purpose cont ract or

shall have to prepare through of bi gger size and mix the mortar in the re qui red

proportio n. In o ncase he shal l be allowed to mix the mortar either on f loor or any

finishe d surface s.

(4) The contractor sha ll have to make his own arrangement for wate r req uire d for the wo rk

and sha ll pay the wate r charges a s per w ater m eter.

(5) If a ny extra item crop s up duri ng t he pro gr ess of work the same shal l be carr ied out by

the contra ctor and he shal l be paid at the ra te fixed by C.E. as per the rate ana lysis base d

on curre nt market rat es.

(6) If in t he i nterest o f the Co rporat ion it is necessary to chan ge eithe r any site or the desi gn

of the propose work the contractor shal l ca rry out t he same at hi s quote d rate s wit hout

charges any extra a nd the co ntractor will have to carry o ut the works and he wil l be pa id

at the rate quoted by him and no claim for extra for subsequent c hanges may be

(7) Retetion m oney at the rate of 2% shall be deducted from every running bi ll of t he

contractor an d which will be paid at the tim e of final bill, for works co sting Mo re tha n Rs.

(8) The tende r for the w ork shal l remain ope n fo r a pe riod (120) days from the date of

openin g of the te nders for th is work a nd that t he te nderer shall not be allo wed to

withdraw on modify the offer on his own duri ng t he period. If a ny tende rer wit hdraw or

makes any m odifications (s) or addition (s) in the term s a nd co nditions of hi s tende r not

accepta ble to t he Municipal Corporatio n the M uni cipal Co rporatio n shall without

prej udice to any r ight or rem edy be at libe rty to forfeit in full the sai d earnest mone y

(9) As per C ircular No. M CR 2176 (96) 2418 (ii) GHH dated 31-03-77 i ssued by Governm ent of

Gujar at contractors are requested to pro duce the ir quarry materials for constr uctio n

work through legal sources. i .e. only for m the quarry lease holders, pe rm it holder or

middle ma n who satisfies the contractor as to the legality of t he source of purchase by

him o n these mate rials.

(10) Contracto r has to make his own a rra ngement fo r proc urement of steel and cem ent.

(11) Conditional tender wil l not be accepte d.

(12) All te nder s are to be submitte d i n duplicate without which the

(13) tenders are lia ble to be rejected.

(14) Condition of f orm B1 Standard Specificati on of mat erial & code of practice will be

applic able. Form B1 & B2 can be is avail able on website.

Contr actor’s Signat ure A dd. City Engineer

AHMEDABAD MUNICIPAL CORPORATION ENGINEER DEPARTMENT

SPECIFICATIONSOFMATERIALS–CIVIL

Thissectiongivesdetailspecificationsformainlyusedmaterials,forothermaterialsreferBuilding

Specifications.

FormaterialsrelevantspecificationofBuildingSpecificationshallapply.

TECHNICALSPECIFICATIONS

NAMEOFTHEWORK:-Leakage repairs complaints Works related to resolving (under CCRS), pollution, and

increasing water pressure at various locations in Chandkheda Ward of the West Zone.(ARC)

Item No.1 :-Transporting from AMC store and laying spigot and socket New DI pipe line DI-k-9 pipes of

various classes with CI/DI/MS specials of following diameters. Rate includes excavation up to

minimum 1.0 mt. depth from top of pipe / as per requirement in any soil, refilling after laying

pipe, covering and temptation of carting surplus earth up to 30 mt. lead and watering and

compaction. Clearing the site. All Joints shall be made tight & leak free etc. comp.

Mode of measurement

Measurement shall be paid by Rmt. basis.

Item No.2 :-Removing & relaying of existing CI/DI pipe line & Specials, Cleaning of pipe & Specials from

Inside, including excavation, refilling etc. comp. in line & level with any type of joints as per

instruction of engg. in charge.

Labour charges for recovering & cleaning C.I. Water pipe line & relaying the same incl.

excavation & refilling and Jointing pipe in line and level etc. comp. As directed.

Mode of measurement

Measurement shall be paid by Rmt. basis.

Item No.3 :-Labour charges for installing and jointing Sluice Valves including loading, transporting from

owner's store, lowering in location to the required with excavation refilling alignment by

crane/ tripod and chain block including cost of total nos. of nuts, bolts, Necessary gaskets and

excluding fixing of tail pieces with lead & jute etc complete as directed by Engg. in charge.

Mode of measurement

Measurement shall be paid by No. basis.

Item No.4 :-Cutting of existing pipelines of following diameters including carting of nece. specials from AMC

store to site and from site to AMC store (recovered materials) nace. labours for excavation,

jodan& backfilling fitter, supervisor, etc. complete. Rate also includes electric cutter,

dewatering pump fuel and transportation of machineries, chain pulley block if requires

working at an instructed specific time of day or night etc. complete.

Mode of measurement

Measurement shall be paid by No. basis.

Item No.5 :-Labours charges for collecting specials from Municipals store loading , transportation,

unloading to the site, laying and fixing CI specials inclusive of all jointing materials like lead,

spun etc.andlabour, exacavation re-filling and nece. dewatering as per instrucation of engg.

Mode of measurement

Measurement shall be given in kg. Basis.

Item No.6 :-Labour Charges for repairing the joint leakage in the existing C.I./DI Pipe line with specials incl.

required materials such as jute and lead etc ,nece. excavation in any type of soil, refilling,

nacessary trust block etc.comp. as per instruction of engg.in charge.(Joint reparied under this

item should not be paid in next four months under normal condition)

Mode of measurement

Measurement shall be given in Per Joint Basis.

Item No.7 :- Excavation for trail pit of maximum diamension of 1.5 mt x0.75 x 1.5 mt depth for location of

existing line including excavation but excluding cost asphalt cutting but including refilling,

watering etc. comp as per instruction of Engg in charge.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.8 :- Making hole on existing CI/DI/MS water pipe line including nacessary GI fittings item also

includes necessary excavation, dewatering and refilling as per instruction engg. In charge

Mode of measurement

Measurement shall be given in No. Basis.

Item No.9 :-Labour for change of GI water pipe line up to customer end.(in Muni.Limit)

Mode of measurement

Measurement shall be given in No. Basis.

Item No.10 :- Labour Work for temp Jodan of ex.line for running water supply incl making collar between

gap of pipe & jointing with jute & day after removing all this as per instetc.comp as dire.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.11 :- Labour charges for doing washout of water pipe line at end including necessary excavation

refilling the pit. Allowing the water to flow for 15 minutes twice or thrice as per site condition

during supply hour, dewatering the pit and plugging with existing wooden butch. etc. comp. as

per instruction

Mode of measurement

Measurement shall be given in No. Basis.

Item No.12 :- Supplying wooden taper bunches from jungle wood (Like limda, ambo) Etc.comp.

The wooden taper plug should be made from country wood as per the sample and

suitable to the /dia of pipe and should be free from cracks.

The size of wooden plug should the plug can easily entered in pipe and fixed properly

with the connection of pipe so that water may not teak through plug and can easily

removed as and where required.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.13 :- P/S OF good quality of rubber rings for following dia meter.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.14 :- Providing , Supplying and fixing ISI mark approved quality for ferrul connecting to existing

CI/DI pipe line of water tight joints per inst.ofengg. in charge.

P/S OF and fixing ISI mark approved quality for ferrule connecting to existing CI/DI pipe line of water

tight joints per inst. of Engg. in charge.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.15 :- Removing any kind of pavement incl stacking of serviceble material disposal of unserviceble

material with 50 meter lead and lift.

Mode of measurement

Measurement shall be given in Smt Basis.

Item No.16 :- Conveyance charge of earth ,lime,murrum, building rubbish, manual

garbage,sludge,excavatedrock ,fly ash, aggregate of any kind etc. comp.up to 5.0 Km. lead

(Based on Building SOR 2015-16, P-589 - Item code- 3.2.1)

All the surplus earth etc. shall be carried away immediately from the site of work to a place

within average 5 km distance as directed and shall be dressed as ordered by the Engineer, so

as not to cause any in convenience to the public or traffic. Failing which in view of public as

safety and traffic convenience the Corporation shall carry out the work by any other agency at

the contractor's risk and cost. If the instructions are not complied within 7 days from the date

of order to cart the surplus materials and clear site, the said work shall be carried out by the

Municipal Corporation at the risk and cost of the contractor and so claim or dispute

entertained in this respect.

Mode of measurement

Measurement shall be given in Cmt Basis.

Item No.17 :- Extra rate over item of excavation of earth for excavation of asphalt pavement of thickness up

to 0.20 meter including demolishing the asphalt carpet,metal,soilingetc.comp. with stacking

the material as directed.

extra rate for excavation of asphalt pavement of any thickness including demolishing the asphalt

carpet, metal, soiling etc. complete with stacking the materials as directed. The road surface of

asphalt shall carefully be opened to full width as directed by the Engineer in charge Asphalt,

popada's souls, metals etc shall be separately deposited in such places as may be determined by

the Engineering-charge. In case above materials not being so deposited or being mixed up with the

excavated materials will not be allowed for refilling. The cost of materials shall be charged from

the contractor. The decision of the C.E. shall be final and binding to the contractor. The rate per sq.

mt. in this item shall be paid extra addition to the rate for excavation.

For detailed specification refer 5th revision of MORTH (2013) & also ammendmentshall be

applicable to the latest versions.

Mode of measurement

Measurement shall be given in Smt Basis.

Item No.18 :- Supplying Pneumatic Breaker Machine for RCC Slab or Asphalt Demolishing Work on site by

using Operator, fuel, power Supply etc. Complete as Directed. (No payment should be

allowed for non working condition of machinery and for pipe line excavation and M.H. work.

Allowed only for break down work)

The Item Shall include various operation cost. Such as diesel, Driver, Salary, Electrification, etc.

The Work Shall Carried out on risk of Contractor.

The Work Shall be done as per Engg. in charge.

Mode of measurement

Measurement shall be given in Hr. Basis.

Item No.19 :- Providing & Supplying JCB Machine on rental basis in case of emergency situation and break

down type work & also during unavoidable condition as per instruction of engg.incharge

rate includes all nece. shifting, fuel and operating charges and stacking of useful & non-

useful materials separately up to store. (No payment should be allowed for non working

condition of machinery and for pipe line excavation and laying work) ( Based on Previously

approved rate by C E sir.

The Item Shall include various operation cost. Such as diesel, Driver, Salary, Electrification, etc.

The Work Shall Carried out on risk of Contractor.

The Work Shall be done as per Engg. in charge.

Mode of measurement

Measurement shall be given in Hr. Basis.

Item No.20 :- Providing and operation dewatering Pump including fuel charges & operator Charges etc. as

directed etc. comp. (Shift for Eight Hour) (For Each Pump Set, No payment should be allowed

for non working condition of machinery) (Based on Previously approved rate by C E sir )

Providing and Operation Honda Pump including fuel charges & Operation as directed etc.

complete as directed by Engg. in charge.

Mode of measurement

Measurement shall be given in Shift Basis.

Item No.21 :- Providing, laying and jointing in true line and level U.P.V.C pipe (SCH - 40) for cold water

including fittings make PRINCE /SUPREME /ASTRAL / FINOLEX o requivalent as approved by

Engineer InCharge . Pipe shall be fixed on the wall with the help of clamp at every 2000 mm

centre to centre or shall be concealed as directed including necessary fittings etc. including

testing of pipe and joints and fixing the same with adhesive solvent, including cost of all

materials. (As per uilding SOR 2015-16)

Mode of measurement

Measurement shall be given in Rmt Basis.

Item No.22:-Providing , Supplying and using size 15 to 50 mm dia .PVC pipe line up to 1 mtr length with

material like pipe, coupler, union, Elbow tee,endcap ,band,F.T,M.T,Tailpeice,reducer ,M-

seal, solution,Excavation pr day per ward including labour and fitter to prevent leakage

etc.and Fixing with existing PVC/DI/C line perinst.ofengg. in charge.Excavation including

Labour and fitter.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.23 :- Providing,Supplying and fixing PVC TEE including labour cost for leakage .6 kg/cm.smtinstr of

engg in charge.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.24:-Providing,Supplying and fixing with labour cost Elbow for leakage PVC 6 kg/cm.smtinstr of

engg in charge .

Mode of measurement

Measurement shall be given in No. Basis.

Item No.25 :- Providing, Supplying and fixing with labour cost End cap for leakage PVC 6 kg/cm.smtinstr of

engg in charge .

Mode of measurement

Measurement shall be given in No. Basis.

Item No.26 :- Providing,Supplying and fixing with labour cost Band for leakage PVC 6 kg/cm.smtinstr of

engg in charge.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.27 :- Providing,Supplying and fixing with labour cost Reducer for leakage PVC 6 kg/cm.smtinstr of

engg in charge.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.28 :- Providing, Supplying and fixing to wall celling and floor 6 kg.f / cm. smt working pressure

polyethylene pipe of the following out sidedia Low density complete with special flange

Empression type fitting wall clips etcincl.making good the wall celling and floor.

Mode of measurement

Measurement shall be given in Rmt Basis.

Item No.29 :- Providing,Supplying and fixing Chek nut for Sluice valve CI/MS/GM or Brass instr of engg in

Mode of measurement

Measurement shall be given in No. Basis.

Item No.30 :- Providing,Supplying and fixing Spindle for Sluice valve CI/MS/GM or Brass instr of engg in

Mode of measurement

Measurement shall be given in No. Basis.

Item No.31 :- Providing,Supplying and Laying diff dia sluice valves Glen dory leakage reparing the

excavation in any type of soil ,refiling, necessary nuts,boltsetccomplete asengg in charge.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.32:-Supplying, labour for excavation of all types of soil at any depth including excavation of asphalt

pavement of any thickness, demolition of brick work in CM of any proportion including

stacking of serviceable materials and disposal of unserviceable material etc. comp. as

Supplying, labor for break down repairing work for activities like excavation, disliting,

removing debris from trench back filling etc. comp. as directed by Eng .in charge.

Mode of measurement

Measurement shall be given in No Basis.

Item No.33 :- Supplying of Lead as per instruction of engg. In charge.

Mode of measurement

Measurement shall be given in Kg. Basis.

Item No.34 :- Supplying of jute (Spun Yarn) as per instruction of engg. In charge.

Mode of measurement

Measurement shall be given in Kg. Basis.

Item No.35 :- Barricading the entire break down or excavated area on rental basis using wooden ballies /

M.S.angles at max. 2.00 metercentre to centre, C.G.I. Sheet, reflective paint / Board out side

to avoid accident & for smooth traffic diversion & movement including cautionary board etc.

Item also includes for making temporary sufficient nos of lighting arrangement through out

the work with necessary required arrangement. The same shall be removed after completion

Mode of measurement

Measurement shall be given in Rmt Basis.

Item No.36 :- Box cutting the road surface in all sorts of soil, murrum to proper slope & camber for making

a base for road work including removing the excavated stuff & depositing on the road side as

directed upto 50.00 mt. Lead.

Mode of measurement

Measurement shall be given in cmt Basis.

Item No.37 :- Labour work for reinstament or asphalt pavment covering excvation watering consoldation

resoiling meating with the activity of teackcoat including carting the mix from the nearest

store pacting it with convayance charge of excavation earth etc.comp as directed.

Mode of measurement

Measurement shall be given in Smt Basis.

Item No.38 :-Labour work for fixing any kind of paving with cement pointing in CM 1:2, including watering,

ramming etc comp. as directed.

Mode of measurement

Measurement shall be given in Smt Basis.

Item No.39 :- Providing And Jointing Stoneware Pipes Incl. Excavation Up to 2 Mt. Refilling, Transporting

Pipes To Work Site, Unloading, Lowering In Trench, jointing material Such As Cement, sand,

Hemp Bitumen As Directed, Incl. Watering The Trenches Spreading And Carting away Of

Surplus material as directed by engineer in charge. (Based on Building SOR 2015-16)

Mode of measurement

Measurement shall be given in Rmt Basis.

Item No.40 :- Repairing damaged I.C./ Raising removing damaged brick work and repairing by brick masonry

in C.M. 1:5 and plaster in C.M. 1:3 and fixing C.I. steps and existing chamber sheet cover,

removing the debris from chamber and carting the same as directed. (Based on Drainage

For detailed specification refer 5th revision of MORTH (2013) & also ammendmentshall be

applicable to the latest versions.

Mode of measurement

Measurement shall be given in No. Basis.

Item No.41 :-Supplying Electric Breaker Machine for RCC Slab or Asphalt Demolishing Work on site by using

Operator, fuel, power Supply etc. Complete as Directed. (No payment should be allowed for

non working condition of machinery and for pipe line excavation and M.H. work. Allowed

only for break down work) ( Based on Previously approved rate by C E sir )

The Item Shall include various operation cost. Such as diesel, Driver, Salary, Electrification, etc.

The Work Shall Carried out on risk of Contractor.

The Work Shall be done as per Engg. in charge.

Mode of measurement

Measurement shall be given in Shift Basis.

Item No.42 :-To provide Tractor with Hydraulic Trolley, driver with fuel, to carryout different works during

day/night for 12 Hrs. Shift. Work shall be carried out as per the instructions of Engineer In-

Charge. No extra charged shall be paid for night shift.

Mode of measurement

Measurement shall be given in Shift Basis.

Item No.43 :-Providing and fixng gun metal check or non-reurn full way wheel valve (S.O.R-2015/16, Sr.no-

32, item no-23.95, page no-569)

Mode of measurement

Measurement shall be given in Each Basis.

1 ProvidingFoRCostofMaterials&supplyingatMaterials

ProvidingTMTBarFE500DreinforcementforR.C.C.workincludingbending,bindingandplacinginposition

complete upto floor two level (R & B Building SOR 21-22 Item no. 5.4.11 I.code 05014C)

C PegLead(AMCCentralStoreI.No1891001Dt20.11.24)

D Jute(SpunYarn)(AMCCentralStoreI.No19840001Dt20.11.24)

E NutBolt(AMCcentralStorei.code10550138rateasondated21.02.2023)

F MSPlate(asperbuildingSOR)

I MSBlank flange

ProvidingsupplyanddeliveryofDISocketandSpigotendedfittings/specialsconfirmingtorelevantIS,to

Storeorsiteofworkincludingfreight,loading, unloading,stackingalltaxes,insuranceandincluding

2 jointingwithjointingmaterialslikegaskets,nutsand boltsetc.asrequiredforinlet,outlets,overflows,

washoutetc.Socket&Spigot Type

A 80to300mmDia.

B 350&above Dia

ProvidingandsupplyingCITemperproofAirvalveswithSS304Floatgunmetalnozzleofapprovedmake&

3 qualityoffollowingclassanddiameterincludingalltaxes,transportation,freightcharges,octroi,inspection

charges, loading, unloading, conveyance to the departmental stores, stacking etc. complete.

Constructionofchambersinbrickmasonary,locallyavailableinC.M.1:6,foundationconcrete150mmthickin

C.C.1:4:8oftrapmetal size25mmto40mmthick, inside cementplaster inC.M. 1:3 andcementpointingoutside

4 in C.M. 1 :3& top cover ofprecast RCC slab 100 mm thick upto 1 mt. depth from G.L. but excl. cost of

excavation and refilling. With cast in situ RCC slab in two piecewith fixing FRC frame and cover etc.

complete(excluding cost of frame &cover ) with 23 mm thick brick masonary wall in C.M.1:6For

SluiceValve, Air Valve

A 0.9x0.9mt.and1.0mt.deep chamber

B forextradepth

C 1.3x1.3mt.and1.0mt.deep chamber

D forextradepth

DrillingofHorizontalboreholeforwatermainpipelinecrossingundertheroadincl.inallstratawithrequired length

B 100mmto150mmdia

C 200mmto 250mm did

D 300mmto350 mmdia

E 400mmto450mmdia

F 500mmto 900mmdia

6 Providing&supplyingForWeldingJoints

Hiringandoperatingthe20KV3PhaseElectricGeneratorforoperatingdesiltingmachinery,andlightingand other

A requirements with Arranging diesel to run the D.G. Set Do As Directed. 8 Hrs Shift.

B RentofWeldingmachineper shift

C RentforGrindermachinepershift

D GasCuttingsetpershift

G RentofTools&OtherCharges

H RentofChainpulleyblock& Tripod

7 ProvidingForMasonry&RCCWork

A M-Seal100gmpack

B Cementbag(AsperbuildingSORI.codeM143)

C Kapachi+Grit- Aggregates

D Sand(AsperbuildingSORI.codeM209)

E Brick(AsperbuildingSORI.codeM166)

ProvidingandlayingcontrolledcementconcreteM.200andcuringcompleteexcludingthecostofformworkand

8 reinforcementforreinforcedconcreteworkin(A)Foundations,footings,BaseofcolumnsandMassconcrete

(Building SOR 21-22 I.no. 5.8.2 I.code 05024AA)

Labour chargesforrepairing oflekage CI/Dipipelineof following diameteratdifferent

placesincludingnecessary

excavationmanuallyorbymachinery,removingofmud,dewatering,cleaningofpipe,cuttingofpipe,Jointing&

9 repairing using CID joints including CID joints, rubber rings, nut bolts, hiring excavator, Hydra/ Crane,

dewatering machine, fuel, operator etc complete ( including cost of jointing material but excluding cost of

pipe) (GWSSB SOR 22-23 SECTION 1 G I.NO 3)

Labour charges for repairing of lekage CI/Di pipe line for following dia different places including necessary

excavationmanuallyorbymachineryremovingmuddewateringcleaningofpipeandleakafeportionand

10 repairing by inserting lead wool jute tools required for inserting lead wool hiring charges of excavators

Hydra/cranej.c.bdewatering set fueloperatorcostoflead wooletc complete(includingallmaterialbut excluding

cost of pipe) (GWSSB SOR 22-23 SECTION 1 G I.NO 2)

11 Providing,supplyingandfixingchecknutforsluicevalve.C.I./M.S./G.M.orBrass.Instructionofengg.Incharge

Labour charges forrepiaingof Sluice valve / Reflux valveinlcudingmaterials,labours and testing etc.

12 Complete. (i) Replacing of S.S. Spindle only (GWSSB SOR 22-23 I.no. 12.A.3)

Providingand fixingtowall,ceilingandfloorgalvanisedMildsteeltubes(Mediumgrade)ofthefollowingnominal

13 bore, tube fitting and clamps including making good the wall ceiling and floor.(Building SOR 21-22 I.no.

a 40mmdia(I.codeno. 23001EA)

b 25mmdia(I.codeno.23001CA)

c 20mmdia(I.codeno. 23001BA)

d 15mmdia(I.code23001AA)

e 50mmdia(I.codeno. 23001FA)

Providing,layingandjointingintruelineandlevelU.P.V.Cpipe(SCH-40)offollowingdia.includingfittingsof

standardmakeasapprovedbyEngineer-in-charge.Pipeshallbefixedonthewallwiththehelpofclampat everyshall

14 be concealed as directed including necessary Tee ,bend, any joint & any fittings etc. including testing

ofpipeandjointsandfixingthesamewithadhesivesolvent,includingcostofallmaterials(BuildingSOR21-22)

A 15mm(I.codeno.23061)

B 25mm(I.codeno.23062)

C 32mm(I.codeno.23063)

D 40mm(I.codeno.23064)

E 50mm(I.codeno.23065)

F 110mm(I.codeno.23067)

G 160mm(I.codeno.23066)

Jobworkforcheckingwaterpressureonexitingline asperinstructionof enggincharge. Rateincludes excavation

of trial pit, making hole of 15 mm dia, fixing UPVC pipe up to 1.5 mt height, fixing pressure gauge. After

15 gauging, fixingpukkabutchfollowedbypecking&compactingthefilledupsoiletccompletedasdirectedbyengg,in

Providing,Supplyingandusingsize15to50mmdia.PvcmmPipelineUpTo1Mtr.Length.WithMatirialslike

Pipe,Coupler,Union,Elbow, TEE, End-Cap,Band,F.T, M.T, Tailpiece,Reducer, M-Seal,Solution, Excavationper day

16 per wardincluding Laborand Fitter ToPreventLeakageetc.As per instuction of Engineer incharge.Excavation.

includingLaborand Fitter.

Providing , Supplying and using Of up to 50mm To 75 mm dia.PvePipe line For Braking Connection Up to

1MtrLengthWithMatirialslikePipe,Coupler,Union,Elbow,TEE,End-Cap,BandF.T,M.T,Tailpiece,Reducer,M-Seal,

Solution,ExcavationperdayperwardincludingLaborandFitterToPreventLeakageetc.Asperinstuctionof

Engineerincharge.Excavation.includingLaborand Fitter.

Extrarateoveritemofexcavationofearthforexcavationofasphaltpavementofthicknessupto0.20meter

18 including demolishing the asphalt carpet, metal, soiling etc. comp. with stacking the material as directed. (As per

Road ARC tender 22-23)

0.20 to 0.30 meter (By any type ofBreaker Machine or R.C.C.Cutter machine including cost of operator, fuel,

A &transportation etc complete.

0.30 meter & above (By any type of Breaker Machine or R.C.C.Cutter machineincluding cost of operator, fuel, &

B transportation etc complete.

ProvidingandMakingholeforHouseconnectiononC.I./D.I.orM.S.withlabourcost.Instructionofengg.In charge (As per

19 previous tender Rates)

F 2.0"diaonCI/DIPipeupto300mmdia.

Transporting from AMC store and laying spigot and socket New DI pipe line DI-k-9 pipes of various classes with

CI/DI/MSspecials offollowingdiameters. Rateincludes excavationuptominimum1.0mt.depthfrom top ofpipe

20 / as per requirement in any soil, refilling after laying pipe, covering and temptation of carting surplus earth up to

mt. lead and watering and compaction. Clearing the site. All Joints shall be made tight & leak free etc. comp.(As

per previous tender Rates)

Removing&relayingofexistingCI/DIpipeline&Specials,Cleaningofpipe&SpecialsfromInside,including

21 excavation, refilling etc. comp. in line & level with any type of joints as per instruction of engg. in charge (As

perprevious tender Rates)

LabourschargesforcollectingspecialsfromMunicipalsstore loading,transportation,unloadingtothesite,laying

22 andfixingCIspecialsinclusiveofalljointingmaterialslikelead,spunetc.andlabour,exacavationre-fillingand

nece. dewatering as per instrucation of engg. incharge (As per previous tender Rates)

LabourchargesforinstallingandjointingSluiceValvesincludingloading,transportingfromowner'sstore,

lowering in location to the required with excavation refilling alignment by crane/ tripod and chain

23 block including cost of total nos. of nuts, bolts, Necessary gaskets and excluding fixing of tail pieces

with lead & jute etc complete

asdirectedbyEngg.incharge.(AsperprevioustenderRates)

Cutting of existing pipelines of following diameters including carting of nece. specials from AMC

store to site and

fromsitetoAMCstore(recoveredmaterials)nace.laboursforexcavation,jodan&backfillingfitter,supervisor,

24 etc. complete. Rate also includes electric cutter, dewatering pump fuel and transportation of

machineries, chain pulley block if requires working at an instructed specific time of day or night etc.

complete. (As per previoustender Rates)

Supplying,labourforexcavationofalltypesofsoilatanydepthincludingexcavationofasphaltpavementofany

25 thickness,demolitionofbrickworkinCMofanyproportionincludingstackingofserviceablematerialsand

disposal of unserviceable material etc. comp. as directed.

A Unskilled Labours per shift (AMC Finance Circular No 08/ Dt 12/05/23)

B Skilled Helper per shift(Labour Office Circular No 199/Dt 01/04/23)Makadam/supervision/Fitter

C Fitter/Mason/Gas operator per shift (ARC 2022-23 Approved Rate)

D Supervisor per shift ( ARC 2022-23 Approved Rate)

E Skilled Welder per shift ( ARC 2022-23 Approved Rate)

Dewateringbypumpingsetofrequiredcapacityincludingtemporaryplatformcartingpumpingatsiteandfixing

26 the same in position including all accessories, and fuel and labour etc. Complete (A)de-watering pump

(1.5 to 3HP) per shift

Providing&SupplyingJCBMachineonrentalbasisincaseofemergencysituationandbreakdowntypework&

also during unavoidable condition as per instruction of Engg. In Charge, rate includes all nece.

27 Shifting, fuel andoperatingchargesandstackingofuseful&non-

usefulmaterialsseparatelyuptostore.(Asperprevious tender

Supplying Pneumatic Breaker Machine for RCC Slab or Asphalt Demolishing Work on site by using

28 Operator, fuel, power Supply etc. Complete as Directed.(As per previous tender Rates)

Excavation for trial pit for location of existing line including excavation of any depth including

29 refilling, wateringetc. Comp (As per previous tender Rates)

Labourchargesfordoingwashoutofwaterpipelineatendincludingnecessaryexcavationofpit,allowingthe

watertoflowfor15minutestwiceorthriceaspersiteconditionduringsupplyhour,dewateringthepitand

30 pluggingwithexistingwoodenbutchandrefillingthepit.etc.comp.asperinstruction(Asperprevioustender

31 P/SOFgoodqualityofrubberringsforfollowingdiameter.(AsperprevioustenderRates)

32 Supplyingwoodentaperbutchesfromjunglewood(Likelimda,ambo)Etc.comp.(AsperprevioustenderRates)

A 15Mmdia.to20MM dia.

B 25Mmdia.to37MMdia.

D 80mmdiato100mmdia line

Providingandlaying(tolevelorslopes)andjointingwithstiffmixtureofCementMortarinproportion1:1Salt

33 glazed stoneware pipesincluding testing of pipes and joints comp

A 100mm(I.code24001AA)

B 150mm(I.Code 24001BA)

Fixingofvalve Roadboxincl .locatingvalve,nece.excavation,tem alsoincluescartringformAMCstore

34 tosite. Etc.Comp. as directed (As per previous ARC tender rates)

Excavationtorfoundationupto1.5mt.depthincludingsortingoutstackingofusefulmaterial&disposingof

35 excavated stuff up to 50 mt. lead loose or soft soil (As per Building SOR 2015-16)

Conveyancechargeofcarthlime.nurrun,building|rubbish,manualrbage.sludge,excavatedrock.lyash,aggre

36 gate of any kind etc. comp.upto 5.0 Km. |lead (Based on Building SOR 2015-l6, P-589 -Item code-

Fillingavailableexcavatedearth(excludingrock)in|trenches,plinth,sidesoffoundationsetc.inlayersnot

37 exceeding 20 cm. in depth consolidation eaclh|deposited layer by ramming and watering (Building

SOR 2015-16, (P-4| -Item code- 04006)

E:\THALTEJOFFICE\Tender\T.NOT.11\Tender118DIline70.20.10.docx Page

Providing,laying,spreadingandcompactinggradedstoneaggregatetowetmixmacadamspecificationincluding

premixing the Materialwithwater at OMC inmechanical mix plant carriage ofmixed Material by tipper to

38 site,laying in uniform layers in sub- base / base course on well prepared surface and compacting with

vibratory roller

toachievethedesireddensityasperCodalProvision.(RAApprovedSt.Com.ResNo.189,Dt.19/05/2022)

A PRODUCTION&SUPPLYOF WMM

Hiring ofTractor with trolley considering 8 Hrs. As working Day hours inclu. Driver (GWSSB SOR -22-23

39 Section 2E- Miscellenous Item no. 7)

Barricadingtheentirebreakdownorexcavatedareaonrentalbasisusingwoodenballies/M.S.anglesatmax.

2.00metercentretocentre,C.G.I.Sheet,reflectivepaint/Boardoutsidetoavoidaccident&forsmoothtraffic

40 diversion & movement including cautionary board etc. Item also includes for making temporary sufficient

nos of lighting arrangement throughout the work with necessary required arrangement. ..The same shall be

removed after completion of work. (Only for break down work from start to complete) (As per previous ARC

Reinstatement of Asphalt road/any kind of paving/flooring using the same material. (As per previous ARC

41 tender rates)

Makingconnectionofgalvanisedmildsteeldistributionbranchwithgalvanisedmildsteelmain50mmto80mn

42 nominalborebyprovidingand|fixingteeincludingcuttingandthreadingthe pipescomplete.(AsperBuilding SOR

Labour chargesfor repairing ofsluice valve/reflux valveincludingmaterials,laboursand testing etc.,complete

43 (B) Replacing of Glan packing only (GWSSB SOR-22-23)

Providing and laying controlled cement concrete M.200 and curing complete

excludingthe cost of formwork and reinforcement for reinforced concrete work in

(A) Foundations,footings, Base of columns and Mass concrete.

ThemodeofmeasurementforpaymentonPerCMT.

Labour charges for repairing of lekage CI/Di pipe line of following diameterat

different places including necessary excavation manually or by machinery,

removing of mud, dewatering, cleaning of pipe, cutting of pipe, Jointing &

repairing using CID joints including CID joints, rubber rings, nut bolts, hiring

excavator, Hydra/ Crane, dewatering machine, fuel, operator etc complete (

including cost of jointing material but excluding cost of pipe)

ThemodeofmeasurementforpaymentonPerNo.

LabourChargesforrepairingthejointleakageintheexistingC.I./DIPipelinewith

specialsincl.requiredmaterialssuchasjuteandleadetc,nece.excavationinanytypeof

soil,refilling,nacessarytrustblocketc.comp.asperinstructionofengg.incharge.(Joint

reparied under this item should not be paid in next four months under normal

Themodeofmeasurementfor paymentonPerJoint Basis.

The Item shall be carried out as per Item description and as per instruction of Engineer-in-

Charge and/or his authorized representative.

The rate includes the cost of excavation of bituminous macadam i.e. bituminous layers

only like DBM, BC etc including the labours, tools, equipment and all other incidental

expenses. Non Bituminous Sub- layer/Sub base are not considered in this item.

WorkshallbecarriedoutmanuallyorbyMachineryaspersiterequirements.

SCOPE :This Specification covers the requirements for collecting from Municipal

Stores or contractor’s stack yard transportation of cast to work sites lying jointing and

field testing of castiron pipes and fittings for the water distribution Network.

APPLICABLE CODES :Various operations such as transport to work sites lowering in

trenches laying jointing and field testing of cast iron pipes and fittings shall comply

with all currently applicable standards. In all cases the latest revision of the standards

shall be referred to. If requirements ofthis specification conflict with the requirements

of the standards this specification shall grove.

(a) IS: 638 Specificationforsheetrubberjointingandrubberinserting jointing.

(b) IS: 782 Specificationforcaulkinglead.

(c) IS:1538Specificationforcastion fittingsforPressure pipesforwatergas and sewage.

(d) IS: 3114Codeofpracticeforlayingof cast-iron.

(e) IS:3400Methodsoftestforvulcanizedrubber(Partsto 20)

(f) IS:5382Specificationforrubbersealingring forGasmainswaterand sewers.

(g) IS:6587Specificationforspunhempyarn.

CARTINGAND HANDLING:

Cast iron pipes fittings (specials) and valves with tail pieces shall be transported from

the Municipal Stores or contractor’s stack yard to the work sites at places along the

alignment of pipeline as directed by Owner /Engineer. The Contractor shall be

responsible for the safety of pipes fitting and vales with tail pieces in transit

loading/unloading. Every care shall be exercised in handling pipesandfittings to avoid

damage.While unloading the pipes and fittingsshall withsteadying ropesofby any other

means. Padding shall be provided between coated pipes fittings and skids to avoid

damage to the coating Suitable gape between pipes should be lift at intervals in order to

permit access from one side to the other. In case of spigot socket pipes care should be

taken regarding orientations pipes while unloading. As far as possible pipes shall be

ulna added on one side of the stretch only. The pipes shall be checked for any visible

damage (such as broken edges cracking or spelling of pipe) while undo adding and shall

be sorted out for reclamation any pipe which shows sufficient damage to preclude it

from being used shall be discarded shall be prohibited. Necessary

warningboardsandlampsshouldbeprovidedinfrontandsideofpipesto avoidanyaccident.

should be stacked with sufficient packing to prevent rolling of the same. Contractor will

be fully responsible for any accident due to pipes or other materials stacked on site of

yard. Contractor will be fully responsible for any legal formalities arising due to such

accident and all legal charges there of shall be paid by contractor of will be recovered

from his running bill of the same or other AMC works.

STORAGE Each stack of pipes shall contain only pipes of same class and size, with

consignment or batch number marked on it with particulars of supplies wherever

possible storage shall be done on film level and clan ground and wedges shall be

provided at the bottom layer to keep the stack stable. The stack shall be in pyramid

shape or the laid lengthwise and crosswise in altimeter layers. The pyramid stack shall

be made for smaller diameter pipes for conserving space in storing them. The height of

the stock shall not exceed 1.5m.

Fittingandsluicevalveswithtailpiecesshallbestackedundercoverandseparatedfrompipes.

Rubber rings shall be stored in clean cool store away from windows boiler electrical

equipment and petrol oils or other chemicals Particularly in the field where the rubber

nods are beingused it is desirable that they are left out on the ground in the sun or

overmuch under heavy frost of snow conditions.

The Contractor shall visit the before tendering and get himself acquainted site condition

and the regulations regarding the laying of pipes in congested areas heavy traffics areas

etc. The successful bidder shall take the necessary permission and clearance ofall the

authorities like dip ardent of ads traffic water supply and the drainage electricity broad

telephone comp any etc. Wherever necessary.

Roadreinstatementshallnotbeincludedinbackfillingunlessspecified.

To protect person from injury and to avoid damage to property adequate barricades

construction signs red lanterns and guards as required shall be placed and mainlined

during the progress of the construction work and unit it is safe for the traffics to use the

roadways. The relevant Indian

standardsandtherulesandregulationsofthelocalauthoritiesinregardedtosafetyprovisionssh

all be observed.

General lighting for works site, warning lights, sign boards, fencing etc. shall be

provided by contractor at his own cost.

Suitable fencing shall be provided along the sides of trenches and pits. The post of the

beoftimbersecurelyfixedinthegroundnotmorethen3m.apartandtheyshallbelessthan75mm

in diameter of less than 1.2 m above the surface of the ground. There shall be two rails.

One near the topof thepostandtheotherabout 450mm.Abovetheground andeachshall be

from50mmto 70mm in diameter and sufficiently long to run from post to post which

they shall be bound with strongrope. The method of projecting rails beyond the posts

and tying them together where they meet will not be allowed on any account. All along

the edges of the excavated trenches a bank of earth about 1.2. m high shall be formed as

required by the Owner/Engineer for further protection. The abovework shall not be paid

forseparately andthe contractorshalltake into account thecosts of such works and quote

Whole work shalldone within 24 hrs. by parts or whole work so that water supply from

AMC shall not be disturbed.

The excavation in the foundation shall be carried out in true and level and shall have the

width and depth as required and as directed. The Contractor shall provide necessary

slopes to a safe angle or steps as required or directed at his own cost No extra payment

shall be made for suchprecautionary measures taken. The bottom of the excavated area

shall be leveled both longitudinally and transversely as directed by removing excess

soil and watering as required. No earth filling will be allowed for bringing it to level if

by mistake or any other reason excavation is made deeperorwiderthanas directed.

Theextra depth orwidthshallbemadeup with concreteof the same proportion as specified

for the foundation concrete at the cost of the contractor. The excavationupto

anyrequireddepthshallbecarriedoutunderthisitem asrequiredanddirectedby engineer in

SurfaceExcavationforRoadWork:

Excavation exceeding 1.5 mm in width and 10 sq mm on plan but not exceeding 30 cm

in depth inall kinds of soil which are specified shall be as treated as surface excavation.

Excavationintrenchesforservicelines-WatersupplyandDrainage:

Excavation in trenches shall be carried out in any material encountered on the site to

enable the service lines to be laid to the lines and levels shown and as directed.

Excavation shall be made with adequate and stable side slopes or shoring strutting if

necessary. The contractor shall provide all measures to protect adjoining properties

service limes etc. The contractor shall take necessary action to keep excavation free

Trenches shall be wide enough to provide sufficient space for joining and inspection.

The trenchbed shall be trimmed andrammed withsprinkling of sand or murmur so that

thepipes when laidto the required levels and gradients shall be no the bottom fully

supported along the entire length of

thepipe.Thetrenchshallbedeepenedandwidenedlocallytoreceivethesockets andto

permitthe joint to be made and inspected.

Before excavation is started rails shall be erected at convenient places and at all

changes of direction and gradients at a definite and as far as practicable uniform height

above the proposed invert level of the pipes the center lime being clearly marked on

each horizontal rail. The depth of excavation and level of the pipe invert shall be

checked by means of benching road of appropriate lengths.

DisposaloftheExcavatedStuff:

The excavated stuff of the selected type shall be used for filling the trenches and plinth

or leveling the ground in layers including ramming and watering etc. complete. The

Contractor shall remove the balance of the excavated from the site of work to a place as

directed within a lead unto 50 mm and for all lift.

Filingof Trenches:

As soon as the work in foundation has been completed and measured the sides of

foundation shall beclearedofalldedansbrickbatsmortardroppingetc.and

filledwithearthinlayersnot exceeding

15cmEachlayershallbe adequately wateredrammed welland

consolidatedbeforethesucceeding layer is laid. The earthshall be rammedwith

ironrammerswhere feasible and with the butt ends in layer of crowbars where rammer

cannot be used. The plinth shall be similarly filled with earth in layers not exceeding

cm adequately watered and consolidated by ramming with iron or wooden rammers.

When filling reaches finished level the surface shall be flooded with water for at least

24 hours and allowed to dry and then rammed and consolidated. The finishedlevel of

filing shall be kept to shape and gradient intended to receive any floor finish. The

excavated stuff of the selected type only shall be allowed to be used for filling the

trenches and plinths. Under no circumstances black cotton soil shall be used for filling

FILLING MATERIALS:

Fillingmaterialsmaybeeitherexcavatedstuffofselectedmaterialsbroughtfrom outside.

Excavated stuff or selected earth to be used shall be cleared of all rubbish large size

stones brick bats etc. complete and big clods shall be broken down to a size of 50 mm

Theselectedsoilandormurmuroranyothermaterialsshallbegotapprovedbeforefilling.

Refilling shall be done in a systematic manner by the contractor before refilling starts,

the contractor shall got checked the trenches ready for refilling.

The space between foundation masonary concrete pipe line and the sides of excavation

and/or bottom of found at ion shall be refilled to the original surface or up to plinth

level with earth or selected materials in layers of 15 cm to 20 cm each well watered and

Eachlayershall bewateredandcompactedwithheavy rammerbeforetheupperlayer

islaidtillthe final level is reached to form a thoroughly compacted base.

Refilling on top of pipe shall be carried out carefully with selected soft stuff out of the

excavated stuff. The refilling shall be raised about 5 cams. For subsequent settlements.

The contractor shall be responsible for any settlement during passage of time of during

monsoon and the same shall be refilled with stuff brought from the out side if

The process of refilling brunches in plinth watering ramming shall be carried out in

such a way asnot to danger to pipe line for foundation footing plinth well etc. already

laid or built up.

If watering is not done by contractor with its own arrange meant wateringcharges at

20% of this item rate shall be deducted from the bill against this item.

JOINTING : The rubberringshall be storedina cool dark dry anddust free

environmentThe storage shall not be exposed to direct sunlight or any heat radiating

appliance. The rings shall not be allowed to come in contact with any fuels and shall be

stored free of tension.

Rubber rings shall be clearly labeled in bundles to indicate the type of ring. The size of

pipes for which they are to be used the manufacturer’s name or trademark and the

month and the year of manufacture.

The rings shall comply with IS 5382 regarding their material finish tolerance in

dimension and physical requirement.

The rubber rings shall be such that they shall not show any signs of deterioration for

any reason during the contract period plus the defects liability period, Entire expenses

associated with correcting defects in this regard including replacement of rubber rings

shall be fully borne by the contractor.

In jointing cast iron spigot and socket pipes and fitting with tycoon flexible joints the

contractorshall take into account the manufacturer’s recommendations as to the

methods and equipment to be used in assembling the joints. In particular the contractor

shall ensure that the spigot end of the pipe to be jointedis smoothandhas been properly

chamfered that the rubber ring as per IS 5382 is correctly positioned in the socket and

that the two pipes are accurately in line, before the joint is maed. The rubber rings and

any recommended lubricant shall be obtained only through the pipe supplier or as

directed by the Engineer.

LEADCAULKING JOINTS

The jointing shall be donewith moltenleadand spunyam.Pinleadshall be of uniform

quality clean and free from foreign materials. It shall be of uniform softness capable of

being easily caulked or driven. It shall conform to IS: 782 Spun yarn shall be of clean

hemp and of good quality. It shall conform to IS: 6587 Its quantity shall be as follows.

QuantitiesofspunYarnforDifferentSizesof

Pipes (Materials for single collar joints)

NominalInternalDiameterMm SpunYarnMassKg

Note:UnderspecialcircumstancestheEngineer-in-chargemaydecidethequantitiesofspunyarn depending

upon the site conditions.

ThequantityofdifferentdiametersofC.L.pipesandfittingsshallbeasfollows:

QUNTITIES OF LEAD YARN FOR DIFFERENT SIZES OF PIPES

NormalSizeofPipemm Lead/Jointkg DepthofleadJointmm

QUANTITIESOFLEAD YARNFORDIFFERENT SIZESOF PIPES

NormalSizeofPipemm Lead/JointKg DepthofleadJointmm

Note:The quantities of lead given are provisional and a variation of 20 percent is permissibleeither

Leadshall beheated inamelting potkept ineasyreachof thejoint to bepouredsothat themolten metal will

not be chilled in being carried from the melting pot to the joint and shall be brought to a proper

temperature so that when stirred it will show a rapid change of color. Before pouring all scum shall be

removed. Each joint shall be made with one continuous pour filling of the entire joint space with solid

lead. Spongy or imperfectly filled joints shall be bunt out and repaired.

The joint runner shall fit snugly against the face of the socket and the outside of the pipe shall be

dammed with clay to from a pouring lip to provide for filling the joint flush with the face and to the top

The jointed is done by first caulking in spun yam, then filling the remainder of the joint space by

running in molten lead, taking care that no dross enters the joint and then thoroughly caulking the lead.

The spun yam shall be used to center the spigot in the socket and to prevent the flow of molten lead into

the bore of the pipe.After the lead has been run into the joint the lead shall be thoroughly caulked.

Caulking of joints shall be done after a convenient length of the pipes has been laid and leaded. The

leading ring shall first be removed and any lead outside the socket shall be removed with a flat chisel

and then joint caulked removed with a flat chisel and then the joint caulked around three times with

caulking tools of increasing thickness and hammer of 2 kg. Weight Lead run joints shall be preferably

finished 3 mm behind the socket face. The joints shall not be covered till the pipe line has been tested

under specified hydrostatic test pressure, though the rest of the pipe line should be covered up to prevent

expansion and contraction due to variation in temperature. Filling available excavated earth (excluding

rock) in trenches plinth sides offoundation etc. in layers not exceeding 20 cams. In depth consolidating

each deposited layer by ramming and watering.

Refilling:The refilling will generally refer to refilling of pipe line trenches, foundation trenches up to

plinth level or ground level with excavated stuff selected soil brought from outside.

Clearing or Trenches or Ground:The excavated trenches for foundation or ground over which filling is

to be done shall be cleared off all grass loose stones rubbish of all kinds brick bats as wellas tress roots

CONTRACTOR'SSIGNATURE Add. Cit y Engi neer

& STAMP(West Zone)

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