Running and maintenance of RWS Schemes under Karbook R.D Block, Gomati District, Tripura/SH-Repairing and maintenance of existing UPVC pipeline by washing and repairing of pipeline leakage in/c fitting and fixing of C.I sluice valve etc at different

Excavation trenches of required width for pipes for pipes, cables etc. inluding excavation for sockets, dressing of sides where required, ramming of bottoms, depth upto 1500mm including getting out the excavated soil and backfilling of soil as requred after laying of pipe line, in layers not exceeding 200mm in depth in/c consolidation each deposited layer by ramming. water et. 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 UPVCD work in new work. a) all kind of soil. i) For pipes not exceeding 90mm dia.

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 fitting will be paid separately ) i) 15 mm dia

i) 25 mm dia

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 CPWD specification and direction of the Engineer-in-charge. ii)90 mm dia.

ii)110 mm dia.

iii) 140 mm dia.

Providing, fixing and laying fabricated UPVC equal tee conforming to IS : 10124 ( part 5 ) 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 x 90 mm dia

i) 110 x 110 mm dia

i) 140 x 140 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 CPWD specification and direction of the Engineer-in-charge.i) 90 mm dia