Maintenance of drinking water supply Schemes under NRDWP/RWS/FFC/FDR Fund in North Tripura District during the year 2025-26

Dismentalling of existing PVC pipe from underground including necessary earth cutting etc.and dismentalled pipes,couplers,tees,etc properly stacking in safe site as per CPWD Specification & direction of Engineer-in-charge. a) Pipes,cables etc exceeding 75 mm dia but not exceeding 315 mm dia.

Excavating trenches of required width for pipes, cables etc. including exacavation for sockets, dressing of sides where required, ramming of bottoms, depth upto 1500 mm (slope-1 in 200)including getting out the excavated soil and backfilling of soil as required after laying of pipeline, in layers not exceeding 200 mm in depth including consolidating each deposited layer by ramming, watering etc. and disposing of surplus excavated soil with all required leads as per Chapter - 2 of CPWD specification and direction of the Engineer - in - charge.

A). For UPVC pipes in new work a). In all kinds of soil i). For pipes not exceeding 90 mm dia

For pipes exceeding 90 mm dia but not exceeding 300 mm dia

For G.I. / C.I. / D.I. pipes in new work a. In all kinds of soil For pipes not exceeding 90 mm dia

For pipes exceeding 90 mm dia but not exceeding 300 mm dia

Providing, fixing and laying rigid UPVC pipes conforming to IS: 4985 jointing with couplers, of same class conforming to IS :10124 ( Pt-II ) with solvent cement conforming to IS : 14182 including testing of joints complete ( but excluding the cost of specials like bend, tees etc. which will be paid separately ) as per CPWD specification and direction of the Engineer- in -charge. A.Class - 3 ( working pressure 6.0 kg / cm2)

Providing, fixing and laying fabricated UPVC end cap conforming to IS : 10124 ( Part 4 )withsolvent cement conformingtoIS:14182includingtestingof jointscomplete asper CPWDspecificationanddirectionof theEngineer-in- charg

40 mm dia

50 mm dia

90 mm dia

110 mm dia

140 mm dia

Providing and laying S & S Centrifugally Cast ( Spun ) Ductile Iron Class K-7 Pipes conforming to IS : 8329 as per CPWD specification and direction of the Engineer - in - charge.

80 mm dia Ductile Iron Class K-7 pipes.

100 mm dia Ductile Iron Class K-7 pipes.

125 mm dia Ductile Iron Class K-7 pipes.

Charges for push-on ( Tyton ) joints to centrifugually ( Spun )cast iron pipes or ductile iron pipes including testing of joints and excluding the cost of rubber gasket as per CPWD specification and direction of the Engineer - in - charge

80 mm dia

100 mm dia

125 mm dia

Providing and fixing U.P.V.C. service saddle as per CPWD specification and direction of the Engineer - in - charge.

40 mm dia with 15 mm dia opening

50 mm dia with 15 mm dia opening

90 mm dia with 15 mm dia opening

110 mm dia with 15 mm dia opening

140 mm dia with 15 mm dia opening

Providing and fixing G.I. Bend /elbow in the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

80 mm dia

100 mm dia

125 mm dia

150 mm dia

Providing and fixing G.I. pipes medim class as per IS : 1239 with latest amendment complete with G.I. fittings including trenching and refilling, cutting and making good the walls etc. complete as per CPWD specification and direction of the Engineer - in – charge External work

80 mm dia nominal bore

100 mm dia. nominal bore

125 mm dia. nominal bore

150 mm dia. nominal bore

Providing & fitting fixing MS tail piece with MS flange suitable for pipes complete as per CPWD Specification & direction of Engineer-in-Charge.

80 mm dia PVC Pipe

100 mm dia PVC Pipe

125 mm dia PVC Pipe

150 mm dia PVC Pipe

Providing, fixing and laying fabricated UPVC socket/coupler conforming to IS:10124(Part-2) with solvent cement conforming to IS:14182 including testingof joints complete as per CPWD Specification & direction of Engineer-in-charge

90 mm dia

110 mm dia

140 mm dia

160 mm dia

Providing and fixing brass ferrule with C.I. cover conforming to IS : 2692 including boring and tapping the main as per CPWD specification and direction of the Engineer - in - charge. 15 mm nominal bore

Providing and fixing C.I. sluice valves ( with cap ) complete with bolts, nuts, rubber insertions etc. ( the tail pieces if required will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge.

80 mm dia. A) PN - 1.6

100 mm dia. A) PN - 1.6

125 mm dia. A) PN - 1.6

150 mm dia. A) PN - 1.6

Providing and fixing C. I. Bib cock ( long handle ) as per CPWD specification and direction of the Engineer - in - charge. 15 mm dia

Providing and fitting fixing of brass fullway valve with handle in the GI pipe line including cutting, threading etc. complete as per CPWD specification and direction of the Engineer - in - charge.

40 mm dia

50 mm dia

Providing and fixing G.I. equal Tee with the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

32 x 32 x 32 mm dia

40 x 40 x 40 mm dia

50 x 50 x 50 mm dia

Providing and fixing G.I. Reducer with the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

50 x 40 mm dia

65 x 40 mm dia

80 x 65 mm dia

Providing and fixing of Brass Union Joints ( Medium class ) with the pipe line including testing of joints complete as per CPWD specification and direction of the Engineer - in - charge.

15 mm dia

40 mm dia

50 mm dia

Providing and laying of flexible PVC pipe(conforming to IS:7634) complete including earth work as per specification and direction of the E-I-C.( cost of fittings will be paid seperately). i) 15 mm dia

Labour charge for repairing of leakage in existing UPVC distribution system including required earth cutting and fitting fixing of necessary coupler etc. complete and refilling the trench with available excavated earth as per direction of the Engineer-in-charge. (Payment of couplers, tees, reducers etc will be made separately)

i)250 mm dia to 110 mm dia.

ii)90 mm dia

Hiring charge of welding set of single phase with operating staff and carrying upto the site of work including loading and unloading (both way) complete as per direction of Engineer-in-charge.

Constructing masonry Chamber 90x90x100 cm, inside with 75 class designation brick work in cement mortar 1:4 (1 cement : 4 fine sand) for sluice valve, with C.I. surface box 100 mm. top diameter, 160 mm bottom diameter and 190 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ) necessary excavation foundation concrete 1:5:10 (1 cement : 5 fine sand:10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick finished with a floating coat of neat cement complete as per standard design :With Second Class bricks

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