ANNUAL REPAIR AND MAINTENANCE OF DUCT COOLER OF BSF CAMPUS JODHPUR UNDER FTR HQ BSF RAJASTHAN

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and placing on terrace (at all floor levels) polyethylene water storage tank, IS : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.

Providing and fixing PTMT extension nipple for water tank pipe, fittings of approved quality and colour. 25 mm nominal bore, weighing not less than 62 gms

Providing and fixing PP-R (Poly propylene Random copolymer) Unions confirming to IS:15801 UV stabilized & anti - microbial fusion welded, having thermal stability for hot & cold water supply, including all PP - R plain & brass threaded polypropylene random fittings, including trenching, refilling & testing of joints complete as per direction of Engineer-in-Charge. External work. PPR Union 25mm.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply and all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall. 25 mm nominal dia Pipes.

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete : 25 mm nominal bore.

Providing & Fixing of 36/40 Watt vertical pump suitable for 24"/18" duct cooler including making connection testing etc. as required. Make: - CG /COOL HOME/ Little giant/ KHAITAN / ZOLTA/ Super star/ Supreme/ Vaiga Jupiter/ Airkon make (ISI mark ) or equivalent.

Rewinding of Heavy duty Exhaust fan motor including all necessary material,The motor is to be wound taking no. of coils, turns and pitch as it was originally wound with required size super enamelled wire with 'E' class insulation material and making connections etc. as required. 600 mm sweep.

Replacement of duct cooler cooling pad of existing duct cooler (size 35"x 35"x 72") which is made of 20/22 gauge GI sheet, grass (heavy) biding with MS/PVC net fitted covering maximum area of cooling pad, 3 nos set for one duct cooler complete set etc. as required as per the direction of Engg-in-charge.

Replacement of 01 No cooling pad (Honey comb pad) of size 4' x 2' x 2'' thickness in existing duct cooler including fitting with complete accessories as required as per the direction of Engg-in-charge.