Mtc. of diff DTW scheme undr Palatana GP and Samukchara VC/SH- Repairing of leakage, washing of PVC, CI, DI, GI pipelines and extensn of pipeline etc. at diff locatn withn DWS SD Kakraban durng 2025-26. (Deposit Work)

Charges for repairing of leakage in UPVC / HDPE pipe line with PVC coupler & solvent cement etc. including necessary earth excavation, 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. complete as per specification & direction of the Engineer-incharge. A) 90 mm dia OD

B) 110 mm dia OD

C) 140 mm dia OD

Making road crossing by horizontal boring for smooth laying of UPVC/CI/DI/GI pipes etc. of required dia complete as per specification and direction of the Er. -in -Charge. B) By manual means. A) For UPVC pipe (90/110/140 mm)

Providing and fixing brass ferrule with C.I. cover conforming to IS : 2692 including borring and tapping yhe main as per chapter 20 of CPWD specification and as per direction of Engineer - in- Charge. A) For 10 mm nominal bore

Providing and fixing GI union as per CPWD specification and as per direction of Engineer - in- Charge. A) For 15 mm dia

Providing and fixing G.I. Socket as per CPWD specification and direction of Engineer - in- Charge. A) For 15 mm dia

Excavation trenches of required width for pipes , cables, etc. in/c. excavation for sockets , dressing of sides where required , ramming of bottoms , depth upto 1500 mm in/c. getting out the excavated soil and backfilling of soil as required after laying of pipeline , in layer not exceeding 200 mm in depth in/c. cosolidating of surplus excavated soil with all required leads as per chapter -2 of CPWD specification and direction of the Er. -in -Charge. A) For UPVC pipe in new work a.In all kinds of soil i) For pipes not exceeding 90 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) i) 110 mm dia OD

Providing and laying of flexible PVC pipe ( conforming to IS:763) complete as per specification and direction of the Engineer in charge. ( cost of Earth work and fittings will be paid separately ) i) 15mm dia

Charge for cutting C.I./ D.I. pipe with steel saw by manual means as per chapter 20 of CPWD specification and direction of the Er. -in -Charge D) 150 mm dia

Clearing of deposited iron in side of laying PVC pipe line in different dia (90/110/140 mm dia) in/c excavating trenching for 100 mtr lead pipe line of required width and depth after 20 mtr distance and 3.00 mtr long in every 100 mtr clearing through UPVC coil pipe and laying the same with necessary couplers and solvent cement etc. ( solvent cement and coupler etc. will be issued by the dept. at free of cost).

Clearing of deposited iron in side of laying CI pipe line in different dia (80/100/125/150 mm dia) and dismantaling old CI pipe in/c trenching , refilling etc. for 100 mtr lead pipe line of required width and depth cutting earth in 25 mtr distance and 12.00 mtr long in each i.e. 36 mtr trenches cutting for every 100 mtr pipe iron through UPVC coil pipe after clearing , washing, laying the same with rubber gasket , pipe lead joints as per direction of Engineer - in - charge ( pig lead will be issued by the dept. at free of cost and rubber gasket and T & P arrange by the agency).

Providing, fixing and laying fabricated UPVC bend of required degree conforming to IS : 10124 ( part 8 / 9 / 10 / 11 / 12 / 13 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per chapter 20 of CPWD specification and direction of the Engineer - in - charge. i) 90 mm dia

Providing, fixing and laying fabricated UPVC end cap conforming to IS : 10124 ( Part 4 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per chapter 20 of CPWD specification and direction of the Engineer - in - charge. i) 90 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. i) 32 mm dia nominal bore

Providing & fitting fixing of flanged joint coller including fitting and fining of MS sheet rubber gasket of approved quality along with anti corrosive black bitumestic black paint and fitting fixing of nuts & bolts etc. complete s required as per direction of Engineer in charge. a) 150 mm dia

Providing, fixing and laying fabricated UPVC socket / coupler conforming to IS : 10124 ( Part 2 ) with solvent cement conforming to IS : 14182 including testing of joints complete as per CPWD specification and direction of the Engineer - in -charge. i) 90 mm dia

ii) 110 mm dia

iii) 140 mm dia

Supplying and fitting fixing of 32 Amp single phase Main Switch of BCH/L&T/ Havel's make with necessary copper wire wiring etc.Complete as per direction of the Engineer-in-Charge.

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