CA NO. GE AF NO.1/GUR-22/2025-26 REPAIR, REPLACEMENT AND MAINTENANCE OF WATER SUPPLY SYSTEM, UNSERVICEABLE AND CORRODED GI/DI PIPELINES ALLIED WORKS, SUPPLY DISTRIBUTION PIPELINES OF SWT INCLUDING ALLIED WORKS FOR WATER SUPPLY INSTN 54 ASP

Amount

Schedule-A (B/R Work)

Excavation in trenches hard/dence not exc 1.5 mtr wide and not exc 1.5 mtr in depth (for taking up or laying of pipes/cables) and getting out and forming bottom surface to gradient complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm complete all as specified and as directed.

Removing excavated surplus soils to a distance n.exc 50 m and deposited at a level n.exc 1.5 m above the starting point complete all as specified and as directed.

M&L for taking down/out unserviceable GI/CI/DI water mains fixed at roof/wall floor/trenches and including disconnecting complete all as specified of following sizes :-

15 mm bore

20 mm bore

25 mm bore

40 or 50 mm bore

80 mm bore

100 mm bore

150 mm bore

M&L for refixing old serviceable steel tubing and connection in new or old position fixed at wall/under floor/in trenches using new GI fittings such as socket, tee,elbow,reducer, union etc complete all as specified and as directed by Engr-in-Charge of following sizes :-

15 mm bore

20 mm bore

25 mm bore

40 or 50 mm bore

S&F GI pipe medium grade laid in trenches or on floor/ wall including jointing, testing and fitting etc complete all as specified fo the following sizes:-(Excavation and earth work will be measured and paid seperataly)

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

80 mm bore

100 mm bore

Screwing in position existing GI/CI/DI for alteration or addition ( or lengthning screw on pipe to form connector) of size as under

15 mm bore

20 mm bore

25 mm bore

40 or 50 mm bore

Supplying and fixing in repair Gun - metal globe or gate valves, with iron wheel head screwed both ends for iron pipe and fixed complete all as specified and directed by Engr-in-charge of following sizes ;-

20 mm bore

25 mm bore

40 mm bore

50 mm bore

M&L for cast iron fitting such as Bends, tapers, tee pieces(singe & double bruches) any type and angle/radius and straight connection pieces for water mains upto 150 mm complete all as specified (Excavation and earth work will be measured and paid seperataly)

M&L for cast iron pipe with spigot and sockets ends centrafugally cast, Class LA, in any length , laid in trenches including takingout old CI water main by disconnecting/buring old joints complete all as specified of the following sizes (Excavation and earth work will be measured and paid separately)

80 mm bore

100 mm bore

150 mm bore

Repairs to leakage run lead joint in position CI/DI pipes by burning out existing joints, recoering lead, cleaning internal surfaces of socket and providing new joints with using recovered lead additional new lead, making joint leak proof complete all as specified of following sizes (Excavation and earth work will be measured and paid separately).

80 mm bore

100 mm bore

150 mm bore

Repairs to leakage run rubber gasket joint for following sizes flanged pipes and fittings including necessary fittings such as bolts, nuts, washers, white lead or mineral oil complete all as specified and directed by Engineer-in-charge.

80 mm bore

100 mm bore

150 mm bore

M&L for rectifying leakage of GI pipe line including excavation in mud (not exc 0.7m x0.7mx0.7m) and making arrangement for dewatering by using electric/diesel pump/manual additional labour, taking out existing joint and making joint including providing all GI fittings i.e. socket, tee, elbow , nipples upto 6'' length,GI unions,Reducer (Except GI pipes) complete all as directed for following size of pipe lines:-

80 mm bore.

50 mm bore.

32 to 40 mm bore.

25 mm bore.

20 mm bore.

15 mm bore.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sound technique and necessary machine including laying of GI pipe of 50/80 mm dia (Note : GI pipe will be measured and paid seperately)

Material and labour for cutting of existing CI/GI pipe line of size 150mm/100mm dia bore (supply main) and making connection by inserting CI Tee/CI collar etc and connecting to new GI Pipe line 50mm dia complete all as specified and directed by Engineer-in-Charge. Note :- Run lead joint, excavation earth work, CI specials measured and paid for separately)

Supply and laying jointing and testing for DI ductile iron pipe K-7 spigot and socketed type suitable for tightend joint of size 80mm dia compelete, including taking down old CI/DI pipe line complete all as specified and as directed.

Material and labour for brick masonry valve pit of size 90cms x 90cms x 90cms (internal dimensions of chamber) depth to be reckoned from the top of PCC foundation to top of MS cover as shown on drgs with MS sheet cover 3 mm thick including frame of angle iron 40mm x 40mm x 6mm with locking arrangement including painting two coats of black synthetic enamel paint over a coat of red oxide primer etc including brick work in cement mortar 1:6 , 15mm thick plastering in cement mortar 1:4 (Internal and external) and necessary excavation and earth work in any type of soil returning, filling in disposal of surplus spoil to a distance not exc. 50 metres, 15cm thick PCC 1:4:8 type D-2 using 40 mm graded stone aggregate for base all as specified and shown in TD drawing. Note:- Note :- Drg for wall pit can be seen in office of Engr-in-Charge.

S&F cast iron sluice valves ( ISI) marked with flanged ends drilled with iron wheel head with shut and open direction class PN - 1.6 confirming to IS - 14846/ 2000 incl rubber insertion packing ring with nuts bolts washer jointing material of size 150 mm dia complete all as specified and directed by Engr-in-Charge.

S&F cast iron sluice valves ( ISI) marked with flanged ends drilled with iron wheel head with shut and open direction class PN - 1.6 confirming to IS - 14846/ 2000 incl rubber insertion packing ring with nuts bolts washer jointing material of size 100 mm dia complete all as specified and directed by Engr-in-Charge.

S&F cast iron sluice valves ( ISI) marked with flanged ends drilled with iron wheel head with shut and open direction class PN - 1.6 confirming to IS - 14846/ 2000 incl rubber insertion packing ring with nuts bolts washer jointing material of size 80 mm dia complete all as specified and directed by Engr-in-Charge.

S&F CI non return sluice valve (ISI) marked including rubber insertion packing ring with nuts bolts washer jointing material of size 80 mm dia complete all as specified and directed by Engr-in-Charge.

S & F CI non return sluice valve (ISI) marked including rubber insertion packing ring with nuts bolts washer jointing material of size 100 mm dia complete all as specified and directed by Engr-in-Charge.

S & F CI non return sluice valve (ISI) marked including rubber insertion packing ring with nuts bolts washer jointing material of size 150 mm dia complete all as specified and directed by Engr-in-Charge.

S&F cast iron air release valve with twin air outlet 80mm dia bore suitable to be fixed in 100 dia DI Pipe flanged ends with flanged pipes 80mm dia of suitable length rubber insertion packing rungs nuts washers and jointing material of 100 mm dia. complete all as specified and directed by Engr-in-Charge.

M&L for writing work on RCC overhead tank at an height of not more than 4 mtr with synthetic enamel paint of black colour in bold letters of size height of letter/digit 20 cm and wide as per lettering practice. all as directed by Engineer - in- charge incl prepration of surface, white painting of surface approximately 3 sq mtr. matter of writing such as (A) Date of cleaning with date in Digit,(B) capacity of Tank with capacity in Digits,(C)Location of Tank etc complete all as specified and directed by Engr-in-Charge.

M&L for cleaning of RCC over head tank of 25000/35000 gallon capacity at 50 feet staging by removing all deposite materials like sand etc, washing of side walls, scraping with iron brush to remove all type of scales, filling up cavaties by cement motar 1:1, washing of inner dome walls with bleaching powder before painting with lime, 2 coats including marking the date of cleaning on the tank with black synthetic enamel paints complete all as speciied and directed by Engr-in-Charge

M&L for cleaning of RCC over head tank of 50000/60000 gallon capacity at 50 feet staging by removing all deposite materials like sand etc, washing of side walls, scraping with iron brush to remove all type of scales, filling up cavaties by cement motar 1:1, washing of inner dome walls with bleaching powder before painting with lime, 2 coats including marking the date of cleaning on the tank with black synthetic enamel paints complete all as speciied and directed by Engr-in-Charge

M&L for cleaning of RCC under ground sumps tanl upto 50000 capacity at staging by removing all deposite materials like sand etc, washing of side walls, scraping with iron brush to remove all type of scales, filling up cavaties by cement motar 1:1, washing of inner dome walls with bleaching powder before painting with lime, 2 coats including marking the date of cleaning on the tank with black synthetic enamel paints complete all as speciied and directed by Engr-in-Charge

Cleaning, grass cutting and removing of dust, raw materials of sourrounding area o water supply installation/ overhead tank,panels complete all as specified and directed.

Note :- The amount of Rs 180675/- against Schedule of Credit on Srl Page …... shall be deducted from the total amount quoted against Sch 'A'

OM ASSOCIATES (BID ID -3354231)

M/S Anand Enterprises (BID ID -3345465)

S.R. Constructions (BID ID -3354353)