Maintenance of pipeline inc replacement of valves, maintenance of household tap connections, extension of pipeline and FHTC connections etc within Zone 1 of Chandipur RD Block under DWS Sub-Division, Kailahahar

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 - A) For UPVC pipes in new work 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. Class - 3 ( working pressure 6.0 kg / cm2) i) 40 mm OD

ii) 90 mm OD

Earth work in excavation by mechanical means (Hydraulicexcavator) / manual means in foundation trenches or drains(not exceeding 1.5 m in width or 10 sqm on plan) includingdressing of sides and ramming of bottoms, lift upto 1.5 m,including getting out the excavated soil and disposal ofsurplus excavated soil as directed, within a lead of 50 m. All kinds of soil

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. Class - 3 ( working pressure 6.0 kg / cm2) i) 40 mm OD

Providing and laying of flexible PVC pipe (conforming to IS:7634) complete as per specification and direction of the Engineer - in - charge (cost of earth work and fittings will be i) 15 mm dia

Providing and fixing U.P.V.C. service saddle as per CPWD Specification and direction of the Engineer - in - charge. i) 40 mm dia with 15 mm dia opening

ii) 90 mm dia with 15 mm dia opening

iii) 110 mm dia with 15 mm dia opening

iv) 140 mm dia with 15 mm dia opening

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

Making road crossing by horizontal boring for smooth laying of UPVC / CI / DI / GI pipes etc. of required dia complete as per specification and the direction of the Engineer-in-charge. by manual means

Charges for making hole by drilling and making thread by thread bit in the CI / DI pipe as per specification & direction of the Engineer-in-charge. ii) 15 mm dia nominal bore

Providing and fixing G.I. union as per CPWD specification and direction of the Engineer - in - charge. i) 15 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. v) 40 mm dia. nominal bore

Providing and fixing G.I. socket as per CPWD specification and direction of the Engineer - in - charge. i) 15 mm dia

Providing and fitting fixing PVC / plastic bib cock conforming to IS : 9763 in hydrant points at different location as per specification & direction of the Engineer-in-charge. i. 15 mm dia PVC / plastic bib cock

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers notexceeding 20cm in depth, consolidating each depositedlayer by ramming and watering, lead up to 50 m and liftupto 1.5 m. All kinds of soil

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