bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - as per specification documents; as per specification documents; service provider 1 providing and fixing 50 micron thick reflective one way type heat /light control film to window/door glazing with complete accessories as per direction of engineer-incharge of approved brand and make. (pwd sor item no. 21.19, p. no.-669) 174.83 sqm. 2 providing and applying crystalline mortar by mixing in the ratio of 4.5 : 1 (4.5 parts crystalline mortar : 1 part water) for the treatment of faulty construction joints, cracks, tie rod holes and spalled & honeycombed surface of rcc underground structures like basement, water tanks, bridge deck etc. to ensure water tightness. the crystallie mortar shall conform to the en 1504-3 having compressive strength class r4 > 45 mpa and adhesive bond strength class r3 > 1.5 mpa. the work shall be carried out all complete as per specification and the direction of the engineer-in-charge.the product performance shall carry guarantee for 10 years against any leakage. (pwd sor item no. 22.35, p. no.- 706) for sealing cracks and faulty construction joints, routed out/making u-shape groove size 25x25mm and then primed the area with integral crystalline slurry @0.05kg/ running metre and while the surface is tacky filled the groove upto surface with crystalline mortar @1.50kg/ running metre. once crystalline mortar is touch dry then finally applied tw (pwd sor item no. 22.35.1, p. no.-706) 140 mtr. 3 providing and applying of swellable type water stop tape, 19mm x 25mm thick in linear meter (expansive nature) for construction joints treatment of rcc structure such as raft slab, retaining walls, water storage tank and at the junctions of raft slab with the retaining walls etc. after cleaning the surface, one coat of required primer for swellable water stop tape shall be applied throughout the length of the joint @3.78 litre per 240 running meter. over the primed surface swellable type water stop tape shall be placed. the work shall be carried out all complete as per specification and the direction of the engineer-in-charge. the product performance shall carry guarantee for 10 years against any leakage. (pwd sor item no. 22.36, p. no.-707) total quantity :