Urgent Maintenance of Ramgunapara North Dhanicherra Kailabari Dhanicherra Near Ex MLA Ugalcherra and Dewanbari LI Schemes under Pecharthal RD Block under WR Sub Division Kanchanpur North Tripura during the year 2025 26 SH Repairing of le

Providing and fitting fixing of G.I hydrant suitable for PVC pipes as per standard specification complete as per direction of Engineer-in- charge (Rate excluding the cost of NTP control valve). 80 X 50 mm dia

b) 110 mm dia pvc pipe

b) 125 mm dia PN-1.6

c) 150 mm dia PN-1.6

Providing and fitting fixing of different dia rigid UPVC unequal Tee (including earth cutting & backfilling all socketted) suitable for pipes as per IS specification of working pressure 4.0 kg/sq.cm confirming to IS: 10124 (part-V) as per CPWD Specification & direction of Engineer in-charge.unequal tee a) 200 x 200 x 140 mm dia

b) 160 x 160 x 140 mm dia

c) 160 x 160 x 110 mm dia

d) 160 x 160 x 90 mm dia

e) 140 x 140 x 110 mm dia

f) 110 x 110 x 90 mm dia

b) 140 x 140 X 140 mm dia

c) 160 x 160 X 160 mm dia

d) 315 x 315 X 315 mm dia

c) 200 x 200 X 200 mm dia

b) 140x110 mm dia

c) 110x90 mm dia

Excavating trenches of required width for pipes, cables, etc.including excavation for sockets and dressing of sides ramming of bottoms , depth minimum 1.25m including getting out the excavated soil and then returning the soil as required in layers not exceeding 20 cm in depth including consolidating each deposited layers by ramming watering etc. and disposal of surplus excavated soil as directed within a lead of 50 m as per CPWD Specification & direction of Engineer-in-charge. A) All kinds of soil. a) Pipe , cables etc. exceeding 75mm dia but not exceeding 160 mm dia .

b) Pipe , cables etc. exceeding 200 mm dia but not exceeding 315 mm dia .

Providing and laying different dia rigid UPVC pipes of working pressure 4.0 kg/sq.cm complete with necessary coupler and solvent cement as per CPWD Specification & direction of Engineer-in-Charge. a) 90 mm dia

b) 110 mm dia.

c) 140 mm dia.

c) 160 mm dia.

d) 200 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) c) 315 mm dia

b) 250 mm dia to 110 mm dia

c) 90mm dia.

Providing and fittingfixing of shore manifold made with 3mm thick MS sheet of size one way 315mm dia and three way 125 mm dia made with suitable flange (all end) including coating with steel primer (tail piece if required will be paid separetely )including proper alimghment with pipeline and earth cutting, backfilling complete as per direction of Engineer-in-charge.

Providing and fixing G.I. pipes of heavy class as per I.S. 1239 with latest amendment complete with G.I. fittings i/c trenching refilling cutting and making good the walls etc. complete as per chapter 20 of CPWD specification and direction of the Engineer-in -Charge. (External work) i) 125 mm dia Nominal Bore

ii) 150 mm dia. nominal bore.