tender for repair and maintenance of bop lotafela in aor of 162 bn bsf under shq bsf coochbehar.=- 1 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - 1:3:6 (1 cement : 3 coarse sand(zone-iii) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources). 2 providing and fixing c.p. brass bib cock of approved quality conforming to is:8931: 15 mm nominal bore. 3 half brick masonry with common burnt clay f.p.s. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor v level.cement mortar 1:4 (1 cement :4 coarse sand) 4 12 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand) 5 neat cement punning 6 finishing walls with acrylic smooth exterior paint of required shade : old work (one or more coat applied @ 0.90 ltr/10 sqm). 7 providing and fixing ptmt pillar cock of approved quality and colour . 15mm nominal bore, 107 mm long. weighing not less than 110 gms. 8 removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. 9 add cost index @ 10.28 % dsr 2023 10 gst correction factor @ 0.973 11 providing and fixing unplasticized polyvinyl chloride (upvc) pipes, fixing the pipe with clamps at 1.00 m spacing. this includes jointing of pipes & fittings with solvent and the cost of cutting chases and making good the same including testing of joints complete as per direction of engineer in charge. including cutting chases and making good the walls etc. 25 mm nominal dia pipes 12 providing and fixing ptmt hand spray (health faucet) of approved quality as per direction of engineer-in-charge