Tirumala Tirupati Devasthanams - Andhra Pradesh
39241305 supply, installation, testing and commissioning of ac system at pet ct building in svims hospital, tirupati under buy back offer , supply, installation of 8.75 tr nominal capacity air cooled condensing unit consisting of scroll compressor, copper condenser coil of copper tubes and blue hydrophilic coated aluminium fins, condenser fans, etc. suitable for operating on eco friendly refrigerant r 407c including necessary accessories like rubber pads etc., capacity : 8.75 tr make : voltas or any approved brands in ttd,supply, installation of new air handling unit (horizontal floor mounted) in double skin construction with 0.8 mm plain g.i. inner skin and 0.8 mm pre coated gi outer skin, thermal break aluminium profile with thermal barrier, 43mm thick puf panels. the air handling unit shall consist of face mounted 50mm thick 20 micron filters, coil section with 6 rows deep dx cooling coil of 12.5 mm od copper tubes with aluminium fins and g.i. casing, suitable number of distributors, 18g ss 304 drain pan duly insulated with 13mm closed cell nitrile rubber insulation, fan section with didw centrifugal fan, eff2 motor. the air handling units shall consist of suitable vibration isolators, access door gss channel base frame and aluminium volume control damper at outlet. the face velocity across coils and filters shall be maximum 500 fpm. the fans shall be selected considering a maximum outlet velocity of 10 m / s. fire retardant type flexible duct connector and vibration isolation rubber pads shall also be provided. the ahu shall be suitable for outdoor installation with canopy. apart from the filters fixed in the ahu, one additional set of spare filters shall also be provided and including buy back of old ahu, condensing units, copper pipe, ducts, electrical panel. and allied equipments etc., capacity 10500 cfm air flow rate at rate of 50 mmwc static make : flaktwoods / systemair / edge tech / sagarair/ plus vent/ luftek (1 working plus 1 standby). warranty : 24 months for all items,supply and installation of microprocessor based electrical panel with suitable rating incoming mccb with digital kwh meter and outgoing feeders with suitable rating mcbs to the 8 nos 8.75 tr condensing units and 2 no. ahu. make : softhard / bluevolt/chaya switch gears,supply and installation of rectangular g.s.s. ducting with ms angle flanges, complete with gaskets and supporting arrangement using ms angles / gi threaded rods etc. make : jindal / tata 20 g,supply and installation of rectangular g.s.s. ducting with ms angle flanges, complete with gaskets and supporting arrangement using ms angles / gi threaded rods etc. make : jindal / tata 22 g,supply and installation of rectangular g.s.s. ducting with ms angle flanges, complete with gaskets and supporting arrangement using ms angles / gi threaded rods etc. make : jindal / tata 24 g,supply and fixing of external duct insulation with 19 mm thick closed cell elastomeric nitrile rubber covered with 24g aluminium cladding. make : armocell , k flex, a flex,copper refrigerant piping: supply, installation of 19 g hard copper piping of following sizes (the suction line to be insulated with 19 mm thick class o armaflex with gc closed cell nitrile rubber precovered tubes with factory laminated glass cloth) including supporting fixtures and accessories etc. complete. 5/8 inch dia copper pipe,copper refrigerant piping: supply, installation of 19 g hard copper piping of following sizes (the suction line to be insulated with 19 mm thick class o armaflex with gc closed cell nitrile rubber precovered tubes with factory laminated glass cloth) including supporting fixtures and accessories etc. complete. 7/8 inch dia copper pipe with insulation,additional refrigerant r407c gas,scaffolding for ducting works,necessary civil works like foundations, wall opening and finishing etc.,dismantling of outside ducting, old ahu, outdoor units, electrical panel, copper piping etc.,,testing and commissioning of the new ac system,supply and installation of suitable expansion valve. make: sporlan / alco / danfoss,supply and installation of suitable catchall filter driers. make: sporlan / alco / danfoss,supply, transporatation and installation of following sizes of hot dipped galvanized iron perforated cable trays without cover, including horizontal and vertical bends, reducers tees,cross members and other accessories as required and duly suspended from the ceiling/wall with suspenders etc., complete (nb: add 30 percent extra for perforated cable tray with cover) 300mm x 50mm x 1.6mm,supply, transporatation and installation of following sizes of hot dipped galvanized iron perforated cable trays without cover, including horizontal and vertical bends, reducers tees,cross members and other accessories as required and duly suspended from the ceiling/wall with suspenders etc., complete (nb: add 30 percent extra for perforated cable tray with cover) 600mm x 50mm x 2.0mm,supply of . . . . . pvc insulated and sheathed frls copper round cable for voltage up to 1100v as per is 694/1990. makes: finolex / rr kabel / havells /kei/polycab/ gloster/goldmedal/gm 3 core 1.5 sqmm,supply of . . . . . pvc insulated and sheathed frls copper round cable for voltage up to 1100v as per is 694/1990. makes: finolex / rr kabel / havells /kei/polycab/ gloster/goldmedal/gm 4 core 10 sqmm...