Running and maintenance of 1.2 MGD SWTP at Jatanbari under Karbook R.D Block, Gomati District, Tripura/SH-Repairing and maintenance of existing pipeline by remodelling, shifting, washing and repairing of pipeline leakage in/c fitting and fixing of C.

Excavation trenches of required width 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 required after laying of pipe line, in layers not exceeding 200mm in depth in/c consolidation each deposited laver by running water 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 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.

ii) 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 specitation and direction of the Engineer-in-charge. i)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

ii) 110 x 110 mm dia

iii) 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