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Tender For supply, installation, testing and commissioning of extra material for installation of unitary acs in different departments /centers/schools, office etc. at iit kharagpur, kharagpur (phase i). - "supply, installation, testing and commissioning including vaccumization and nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for split ac system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with xple class-o tubular insulation/with class-o closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for suction and liquid lines, all accessories as per specifications etc. as required :note: wall opening and making good to the damages.", "6.4 mm (¼"") dia (od) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation", "9.5 mm (⅜"")dia (od) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation", "12.7 mm (½"") dia (od) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation", "15.86 mm ( ⅝"") dia (od) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation", "19 mm (¾"")dia (od) (soft drawn) with tube thickness 1.2 mm with 19 mm thick insulation", interconnection electrical copper cables from indoor , outdoor & electrical control panel complete with 4 core 2.5 sqmm copper frls insulated cable(isi marked) with cable tie & clamp etc as required., supply & installation m.s epoxy painted fabricated stand for different size condensing unit with vibration isolators, grouting, for complete platform type stand for outdoor unit having safety railing etc as per site requirement., supply & installation of upvc drain pipe (isi marked) with 6mm thick nitrile rubber insulation from idu - 25mm dia, 40 mm rigid upvc drain pipe (isi marked) with 6 mm thick nitrile rubber insulation complete with fittings, u traps etc. & as specified to the nearest toilet with required civil works & finishing the same., supply of r-22 gas for top up, supply of r-32 gas for top up, supply & installation of good quality wooden frame (2" x 2") thick required for window ac installation, supply & installation of 16amps plug top (isi marked), supply & installation of 100mm pvctrunking with snap on trunking (isi marked), "supplying and installing following size of perforated hot dipped galvanised iron cable tray with cover (galvanisation thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended fromthe ceiling with g.i. suspenders including g.i. bolts & nuts, etc. as required.", 100 mm width x 50 mm depth x 1.6 mm thickness, 225 mm width x 50 mm depth x 1.6 mm thickness, 300 mm width x 50 mm depth x 1.6 mm thickness, installation, testing & commissioning of the window ,split acs ,cassette ac supplied by department. price shall be inclusive of installtion upto 3mtr of refrigerant pipe, drain pipe and cable., window acs, split acs, cassette acs, tower acs, reinstallation, lifting, shifting of existing ac units (split & window acs & cassette ac)., window acs, split acs, cassette acs, tower acs, dismantling of existing ac (split ac / window ac) units including all copper pipes, drain pipes mounting surfaces, etc. complete and keeping the premises clear of all and shifting to rac work shop, dismantling of existing ac (cassette ac) units including all copper pipes, drain pipes mounting surfaces, etc. complete and keeping the premises clear of all and shifting to rac work shop, dismantling of existing ac (tower ac) units including all copper pipes, drain pipes mounting surfaces, etc. complete and keeping the premises clear of all and shifting to rac work shop, buy-back of existing unserviceable ac (split ac / window ac/cassette ac) units(all type) including all copper pipes, drain pipes mounting surfaces, etc. complete. the item shall be quoted as negat
Tender For supply of excitation system spares d d - thyristor module , feraz fuse , circular cooper reactor , isolator assembly 3p ac , isolator assembly 2p dc , dyn11 transformer , dc ammeter , shunt 1500a , thristor , ring type ct , exctn thyristor centrifugal cooling fan , gate circuit assembly with pulse trafo , voltage dropping resistor , field flashing contactor , field discharge resistor , stainless steelcast grid resistor , crow bar type over voltage protector , diode assembly , three phase rectifier bridge , hrc fuse assembly 250a , field flashing transformer , auxiliary relay re300 a , auxiliary relay re300 , dc voltmeter , hrc fuse assembly 16a , shunts , hrc fuse link , mdl69203ia1aa unc4660av1 v , cpu module , interrupt generator , analoug io card , digital io card , mdl 69203py2ba power supply card , mdl 69203du1aa un0663bv1 , davr mdl , pulse monit , pulse final stage , ac dc power pack unitrol , test point module , numerical 3 phase over current relay , numerical rotor earth fault relay , dc supply module , aux relay , relay aux ) /bid number : gem/2025/b/6585054 * /dated: 21-08-2025 & & / bid document 1 / 31