NIT/BM/00145/WW/EO/2025-26

Supply of drinking water with all preventive measure to the user end from ESR/UGR/Primary Grid with maintaining adequate water pressure within Zone-4 under Bally Municipality.

Cutting & picking up existing metalled black top portion of road surface to an average depth of 300 mm by using Jack hammer with all necessary tool and plant including reening the serviceable materials & stacking within a lead of 75 mtr. all complete as per direction of the Engineer-in- Charge. [UD & MA Deptt. Water SupplyWorks -2018-19; Page-2;Item-1.5]

Dismantling all types of plain cement concrete works,stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. Upto 150 mm thick. Location:- [PWD Bldg.WC(ii)1.11.2017 , P-10, Item-2]

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75. as directed. The item includes necessary trimming thesides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. [Page-1, It-2, PWD, WC-II (B) 1.11.2017] a) Depth upto 1.50 m:

b) Beyond 1.5 M to 3.0 M below G.L.

Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in-charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge). [PWD(B), WC-II, 1.11.2017, Page-3, It-6(a) & (b)] a) Depth upto 1.5 M

b) Depth beyond 1.5 M & upto 3 M

Hire and labour charges for 100 mm dia bamboo railing on Jhau/Eucalyptus post 1.40 m above G.L and 0.60 m below G.L tied strongly with bamboo railing with coir rope, digging holes for posts in any sort of soil or concrete surface packing the sides etc including cost of carriage of all materials and labour complete including cost of restoration to the damages of the ground to its original condition as per direction of Engineer- in- charge after removing the barricade. (Cost of restoration to be paid separately) (a) 100 mm. dia bamboo railing and 150 mm. dia. Jhaubullah/Eucalyptus posts @ 1.80 m. apart ii)Railing with 3 rows. [PWD (B), WC-II, 1.11.2017, Page-269, It-2 (ii) ]

Dewatering by pumps including all leads, lifts and making all arrangements of disposal. where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections. [Note ;-In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor] [Ref.UD & MA Deptt. Water SupplyWorks -2018-19, Pg.-27, It-7.2] i)

Hire & labour charges for diesel generating set for lighting including fuel, 300M wire, 11 points with 200 Watt bulb with post for hanging & maintaining the same for day & night for the period. [Ref. UD &MA (W.S.W) 2018-19, Pg.-4, It-1.13]

Cutting of C.l/D.I pipes for fitting with pipes and-or specials of similar or dissimilar materials at the time of laying without damaging any part of the required length including taking out of the broken pieces from the trench and restacking the same at the specified location as per direction of the Engineer-in-Charge. [Ref.: Rates of different dia to be followed from UD & MA Deptt. Water SupplyWorks -2018-19 ,Page-10, It.-2.1.7] Location: At several spot as required Total- 100 Dia

Total- 150 Dia

Total- 200 Dia

Total- 250 Dia

Centrifugally cast (spun) Ductile Iron Pressure pipes for water, gas and sewage conforming to I.S. 8329-2000 with cement mortar lining (inside) and bituminous coating (outside). ( class-K7 ) [Rate approved by Engineer-in-Chief , PHE Deptt. Vide memo no:- 3770/3/RS Dated : 05/07/2022 ] Location: At several spot as required Total 100 Dia:

Total 150 Dia:

Total 200 Dia:

Supplying, fitting and fixing of C.I. Mechanical Compression Long Sleeve Collar Coupling (popularly known as Cut-N-Repair Coupling) suitable for jointing C.I. Spun Pipes (as per IS: 1536) and D.I. Pipes (as per IS: 8329) with BS:1211 BS:1211 Class-B Class-B Pipes. The Couplings Couplings will be supplied supplied complete complete with Sealing Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel (Zinc Coated) Nut Bolts . The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-33;Item-7.21] Location: At several spot as required Total : 100 Dia

Total : 150 Dia

Total : 200 Dia

Total : 250 Dia

Total : 300 Dia

Supplying, fitting and fixing of C.I. Mechanical Compression Split Collars suitable for instantaneous repair of longitudinal and vertical splits in C.I. Spun Pipes (as per IS: 1536) and D.I. Pipes (as per IS: 8329) by encasing the damaged part completely. The Split Collars to be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel Nut Bolts (Zinc Coated). The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-34;Item-7.22] Location: At several spot as required Diameter in mm. with minimum barrel pipe length in mm. Total : Dia100mm with length 300mm.

Total : Dia150mm with length 300mm.

Supplying including cost of installation of M.S. Patch Clamps suitable for instantaneous repair of horizontal cracks in C.I. Spun Pipes (as per IS: 1536) and D.I. Pipes (as per IS: 8329). The Clamp constitutes of two semicircular halves made out of 5/6 mm thick Steel Plate duly contoured to match the circumference of the pipes. The Clamp should be with suitable rubber lining / trey so that on fixing over the damaged pipe, it instantly repairs longitudinal cracks or hole in the pipe body. The length of the Clamp should be 300 mm up to 300 mm nominal dia. and 500 mm in case of pipes of larger nominal diameter of pipe. Sealing Rubber Gasket should be of EPDM quality and Nut Bolts should be Zinc coated. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-36; Item-7.25] Total : 100mm Dia -

150mm Dia -

200mm Dia -

250mm Dia -

300mm Dia -

350mm Dia -

Supplying including cost of installation of C.I. Leak Repair Clamps suitable for permanent repair of leakages in Socket / Spigot joints in C.I. Spun Pipes (as per IS: 1536) and D.I. Pipes (as per IS: 8329). The Clamp consists of two Cast Iron Rings supplied in overlapping semi circular halves which compress a specially shaped / contoured rubber gasket made of EPDM quality (IS:5382 Type-4) on the socket face making the Socket / Spigot Joint water right at the operating pressure. The Clamp to be supplied complete with Rubber Gaskets made of EPDM quality and coated Nut Bolts as per manufacturer specification. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-36/37 ; Item-7.26] Location: At several spot as required Total : 100mm Dia -

Total : 150mm Dia -

Total : 200mm Dia -

Total : 250mm Dia -

Total : 300mm Dia -

Total : 350mm Dia -

Total : 500mm Dia -

Supplying including cost of installation of C.I. Mechanical joint All Socket Tee as dimensionally described in IS: 13382/2004 (With Modified Socket) . Each Tee consists of One C.I. Body, Three C.I. Follower Glands, Three sealing Rubber Gaskets of EPDM quality (Conforming to IS:5382/85 Type-4) and Zinc coated M.S. Fasteners . The whole assembly is mechanically and hydraulically tested to provisions as laid down in IS: 13382/2004. [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-40/41 ; Item-7.33] Location: At several spot as required Dia in mm 100 x 100 x 100

Supplying including cost of installation of C.I. Mechanical joint Reducer/Enlarger as dimensionally described in IS:13382/2004. Each Reducer consists of One C.I. Body, Two C.I. Follower Glands of different diameter, Two sealing Rubber Gaskets (Conforming to IS:5382/1985 Type 4) and Zinc coated M.S. Fasteners of adequate numbers. The whole assembly is mechanically and hydraulically tested to provisions as laid down in IS: 13382/2004. [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-42/43 ; Item-7.35] Location: At several spot as required 200 x 150

Lead jointing to C.I pipes and specials with supply of lead and spun yarn all complete to make the joint water tight at required hydraulic pressure as per specification & direction of the Engineer-in-charge. (Lead shall be supplied supplied departmentally departmentally to the Agency at specified specified Issue rates and cost thereof shall be recovered from the. works Bill of the Agency] [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-7 ; Item-2.1.3] Location: At several spot as required Total : 150mm Dia -

Total : 200mm Dia -

Total : 250mm Dia -

Total : 300mm Dia -

Repair of Air valve by supplying ebonite and- rubber ball. gasket. nuts and bolts with washers and labour all complete [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-28 ; Item-7.9] Dia in mm Location: At several spot as required Total: 80 Dia

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water, ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity) [ UD & MA, Water Supply-2018-19 , Page-2, It-1.3)

Earth work in filling in foundation trenches or plinth with good earth, in layers not exceeding 150 mm. including watering and ramming etc. layer by layer complete. (Payment to be made on the basis of measurement of finished quantity of work) (a) With earth obtained from excavation of foundation N.B:- Item-1+Item-2+ Item-3(a & b) - Item-24 [Ref: P.W.D. (Bldg.) W.C.II, 1.11.2017, Page-1, It.-3(a)]

Shifting house connection or stand post connection from existing main to new main after excavation through any kind of soil and road materials up to required depth. dismantling existing ferrule with all fittings. plugging hole of old main with G.I. plug. drilling and tapping the new main. refixing the ferrule on the new main with serviceable old G.I pipes and other specials (New G.l. pipes and other specials. if required to be installed shall be paid extra) and back filling the trench with excavated materials all complete as per specification and direction of the Engineer- in-Charge. [Ref: UD & MA Deptt. Water SupplyWorks -2018-19; Page-21 ; Item-3.7] Location: At several spot as required Total

Supplying, fitting and fixing in position G.I. pipes of TATA make for underground works with all necessary accessories,specials viz.socket, bend, tee, union, cross, elbow, nipple, short piece etc.including cost of all materials,jointing materials ,cutting pipes,making threads,cutting trenches upto 1.5 metre below surface in all sorts of soil and refilling the same as directed with two coats of painting on G.I. pipes and specials with bituminous paint complete in all respect. (Payment will be made on the centre line measurement of the total pipe line including all specials No separate payment will be made for accessories, specials.Payment for painting will be made seperately) [Ref.: P.W.D. (S&P), WC-II, 1.11.2017, Page-3, It-2 ] At several spots: a) 20 mm dia Medium quality b) 15 mm dia. Medium quality Total : 20 mm dia. Medium quality

Total : 15 mm dia. Medium quality

Supplying, fitting and fixing alloy iron with brass spindle bib cock/ stop cock of approved brand and make, spray painted and tested to 21 kg per sq. cm. [Ref.: P.W.D. (S & P), WC-II, 1.11.2017, Page-7, It-7 (g)] a) 15 mm At several spots: Total

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