Tender For Repair/Maintenance Of Various Ductable/ Cassette/ Tower Type Acs And Connected Items In The Area Of Hq Wac Under Ge (Af) Subroto Park.; 1 Servicing of tower /cassette AC/Duntable type split AC/package type AC/Clod storage of capacity 3/3.5/4.5/8.5 of any make at different locations at Subroto Park, tersting the unit completge with the following tasks:-(a) Overhearting of servicing(b) Inspection opening washsing the condesnor coil and cooling coil with chemical followed with pressurized water jet complete.(c)Inspection of leakage of refrigerent in the system(d)Checking the operation of blower motor, condesnor morto and swing motor for noise free operations.(e) Oilling of condesnor/bloer motors and cheking the earth continuity.(f)Inspection of all electerical parts/connections and remove if any defect.(g) Checking the functinal of electronic remote control unit to ensure satisfactory functioning o funit complete all as specified and as directed by Engr -in-Charge.Note:-(a)Spare parts shall be measured and pair separately.(b) Repeated complaints of smae air conditioner will not be measured aiganst and no extra payment will be made.(c)Rate of vist against complaint deemed to be included in the rate quoted above.Note - The contractor to maintain the job card of each AC having complete details of each AC & Schedule of repari & serving, the format of job card to be approved by Enginner in charge. 2 Supply and fixing in replacement of the following UNSV spare parts for Tower/Casette/Ductable type split AC/Package type AC of capacity 3/3.5/4/5.8.5 TR air Conditioners of any make & complete all as specified and direted by Engr -in-Charge(a) Single phasing preventor as per existing size and capacity 3 All as per item No 2 here in before but Three Phase connector as per existing size complete all as specified and directed. 4 All as per item No 2 here in before but Contactorthree phase as per existing size and complete all as specified and directed. 5 All as per item No 2 here in before butRunning Capacitor as per existing size & capacity complete all as specified and directed. 6 All as per item No 2 here in before butCopper tubing flexible of dia 7/8 with insulation and brazing work complete all as specified and directed. 7 All as per item No 6 here in before but ot dia 1/2 complete all as specified and directed. 8 Flexible copper cable 5 core multi stranded of size 2.5 Sqmm 1100 Vcomplete all as specified and directed. 9 Triple pole and earth enclosure with a three pin and earth plug with socket complete with one triple pole MCB 32 Amps 415 V complete all as specified and directed. 10 MCCB TPN 63 Amp 16 KA 415 Volts 50 Hz with adjustable thermal and fixed magnetic setting complete all as specified and directed. 11 Condenser motor three phase suitable for tower type AC of cap 3.5 TR as per existing size and model complete all as specified and directed. 12 All as per item No 11 above but blower motor complete all as specified and directed. 13 Condensor motor three phase suitable for cassette type AC of cap 3.0/4.0 TR as per existing size and model 14 All as per item No 13 above but blower motor complete all as specified and directed. 15 Condensor motor three phase suitable for ductable type split AC of cap 5.0/8.5 TR as per existing size and model complete all as specified and directed.. 16 All as per item No 15 above nut blower motor complete all as specified and directed. 17 Blower as per existing suitable for Tower /Cassette AC of cap 3.0/3.5/4.0 TR complete all as specified and directed. 18 Blower as per existing suitable for Ductable type split AC of Cap 5.0 / 8.5 TR complete all as specified and directed. 19 M&L for repair to unserviceable cordless PCB remote control unit any type normal or inverter of Tower type AC 3.0 / 3.5 TR, Cassette type AC of capacity 3/ 4.0 TR, Ductable type split AC of cap 5/8.5 TR including replacement of unserviceable spare parts and refixing, connection of electrical control circuit, testing for satisfactory functioning complete all as specified and as directed. 20 M&L for insulation to copper tubing of Tower type AC 3.0 / 3.5 TR, cassette type AC of capacity 3/4.0 TR, Ductable type split AC of cap 5/ 8.5 TR with heavy duty rubber foam insulation as per existing density and thermal conductivity including packing material and PVC tie complete all as specified and as directed. 21 M&L for Low density polyethylene pipes (LDPE) / flexible threaded liner type pf pressure rating 6 kg / cm2 laid in trenches, walls of dia 25 mm complete all as specified and as directed. 22 Supply & charging the refrigerant gas to Tower / Cassette AC of capacity 3/3.5/4 TR after detecting & repairing leakage by brazing, provn of extra of extra copper tubing if required improvement of efficiency, testing complete all as specified and directed. 23 S&F in replacement scroll compressor of cap 4.0 TR with washers, bolts and nuts three phase 415V 50 Hz suitable for cassette type AC of make Blue Star model No SCR481SE2 or its equivalent in Volts/Hitachi including brazing of respective copper tubing incl providing of extra insulated copper tubing, leak chek, dehydration of the system with complete all as specified and directed. 24 S&F in replacement scroll compressor of cap 3.5 TR with washers, bolts and nuts three phase 415V 50 Hz suitable for tower /verticool type AC of make Blue Star model No VCE421SE2 or as per existing including brazing of respective copper tubing incl providing of extra insulated copper tubing, leak check, dehydration of the system with compressed nitrogen, and gas charging upto required level testing the unit for satisfactory functioning complete all as specified and as directed. 25 M&L for rewinding of condensor fan motor of tower AC / ductable type split AC / Package type AC of cap 3 /3.5 / 5.0 TR including replacement of gun metal bushes, testing for noise free operation and refixing at its existing location complete all as specified and as directed. 26 M&L for rewinding of condensor blower motor of tower AC / ductable type split AC / Package type AC of cap 3/ 3.5 /5.0 TR including replacement of gun metal bushes, testing for noise fee operation and refixing at its existing location complete all as specified and as directed. 27 M&L for refrigerant charging (R-22) for ductable split type unit of capacity 8.5 TR after removing all leakage of the cooling system including leak test, flushing & dehydration with compressed nitrogen gas incl providing extra copper tubing of exiting size for satisfactory functioning of the unit etc complete all as specified and as directed. 28 M&L for rewinding to 3 phase condensor motor suitable for 8.5 TR ductable split type AC with super enamelled copper winding wire including replacement of gun metal bushes and refixing to its existing location complete all as specified and as directed. 29 M&L for rewinding to single phase indoor unit blower motor suitable for ceiling mounted AHU of 8.5 TR ductable split type AC with super enamelled copper winding wire including replacement of gun metal bushes and refixing to its existing location complete all as specified and as directed. 30 S&F in replacement to condensor fans suitable for 5/8.5 TR ductable split unit complete all as specified and as directed. 31 S&F in replacement to single phase preventor 415 Volts AC 50 Hz phase -65+/- 10 V AC complete all as specified and as directed. 32 S&F in replacement to relay IC/0.5A complete all as specified and as directed. 33 S&F in replacement to room thermostate switch T-63 T3B 10 A 250 V complete all as specified and as directed. 34 S&F in replacement to contactor 50A 5 KA max fuse 90 A torque 10 lb inch complete all as specified and as directed. 35 S&F in replacement to running capacitor 20 mfd IS:2993 -1998, 440 V 50 Hz 20-0 uf+/-5% complete all as specified and as directed. 36 S&F in replacement to HP / LP switch suitable for ductable split type AC of cap 8.5 TR complete all as specified and as directed. 37 S&F in replacement to solid core liquid line filter drier suitable for ductable split type AC of cap 8.5 TR complete all asspecified and as directed. Make - Danfoss cat part No DCL-164 or equivalent in Kirloskar 38 M&L for MCCB 160 Amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed. 39 M&L for MCCB 100 Amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed. 40 Supply and Topping up / replacement of transformer oil of dielectric strength of 40 KVA for voltage stabilizer complete all as specified and as directed. 41 S&F in replacement remote control unit for tower type AC of cap 3.0/3.5 TR for Model No VCE 421SC2 of Blue Star Microprocessor based or equivalent in Voltas / Hitachi complete with transmission and receiving unit dual mode of cord cordless with features of digital display mode selection, timer, temperature control complete all as specified and as directed. 42 S&F in replacement Remote control unit for ductable split type AC of Cap 8.5 TR microprocessor based or equivalent in Voltas / Hitachi complete with transmission and receiving unit dual mode of cord / cordless with features of digital display mode selection timer temperature control complete all as specified and as directed. 43 S&F in replacement Remote control unit for cassette type AC of cap 4.0 TR microprocessor based complete with transmission and receiving unit dual mode of cord / cordless with features of digital display mode selection timer temperature control complete all as specified and as directed. 44 S&F in replacement sub main wiring with two run single core 10 Sqmm PVC insulated unsheathed cable 1100 volts FRLS grade with multi strand copper conductor and drawn through and including PVC conduit along with one run 10 Sqmm continuous earthing wire but in green colour complete concealed in wall / ceiling and connected to common earth dolly of the following size.Note : Three run of 10 Sqmm PVC cable and one run of PVC conduit shall be measured as one unit length. 45 S&F in replacement sub main wiring with four run single core 6 Sqmm PVC insulated unsheathed cable 1100 volts FRLS grade with multi strand copper conductor and drawn through and including PVC conduit along with one run 6 Sqmm continuous earthing wire but in green colour complete concealed in wall / ceiling and connected to common earth dolly of the following size.Note : Five run of 6 Sqmm PVC cable and one run of PVC conduit shall be measured as one unit length. 46 S&F in replacement sub main wiring with four run single core 10 Sqmm PVC insulated unsheathed cable 1100 volts FRLS grade with multi strand copper conductor and drawn through and including PVC conduit along with one run 10 Sqmm continuous earthing wire but in green colour complete concealed in wall / ceiling and connected to common earth dolly of the following size.Note : Five run of 10 Sqmm PVC cable and one run of PVC conduit shall be measured as one unit length. 47 Supply and fixing in replacement of unserviceable single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20 Amps complete all as specified and directed. 48 Supply and fix in replacement of MCB SP 6 to 32 Amps 230 Volts, C series 50 Hz single phase complete all as specified and directed. 49 Supply and installation in replacement of phase frequency corrector of capacity 25 HP of 3 Phase corrector for 3 phase tower / cassate / ductable Split AC and other 3 phase items, electrically controlled with interlocking system duly pre wired complete all as specified and as directed. 50 M&L for MCCB 200 Amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed. 51 M&L for MCCB 250 Amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed. 52 M&L for MCCB 400 Amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed. 53 M&L for dismantling of complete unit of automatic voltage stabilizer oil cooled type 3 phase 440 volts, 50 Hz, 16.5 /25/30/50 KVA capacity after disconnecting of electrical connection, taking out oil strip blue line, cleaning and segregating of mechanical mechanisum of operation as per direction of Engr-in-Charge cleaning of inner surface of tank, carrying out repairs including replacement of worm out parts, replacement of nuts, bolts of required Nos, refilling of transformer oil, after dehydration upto 60 KV, assembling connecting to electric supply load and on site testing on full load for manual corrected output voltage at variable (permissible limit) input voltage and cut off action on low voltage up to the entire satisfaction of the Engr-in-charge. Note - Spare parts shall be measured and paid separately and above mentioned entire specification and fixing of spare parts is included in this job) 54 Supply only servomotor of existing shape and size complete all as specified and as directed 55 Supply only Electronic circuit card (PCB ) complete all as specified and as directed. 56 Supply only Electronic circuit card PCB holder complete all as specified and as directed. 57 Supply only Micro switch of existing shape and sizes complete all as specified and as directed. 58 Supply only Carbon brush with brush holder (set of three) complete all as specified and as directed. 59 Supply only Potentio meter complete all as specified and as directed. 60 Supply only Push button switch as per existing shape and size complete all as specified and as directed. 61 Supply only tigger transformer complete all as specified and as directed. 62 Supply only drive assembly 25/35 KVA per phase complete all as specified and as directed. 63 Supply only RC network servo meter complete all as specified and as directed. 64 Supply only Ampere meter with CT complete all as specified and as directed 65 Supply only panel lamp complete all as specified and as directed. 66 Supply only Dimmer state 20 to 30 Amps complete all as specified and as directed. 67 Supply only servo oil for voltage stabilizer complete all as specified and as directed 68 M&L for dismantling of complete unit of automatic voltasge stabilizer oil cooled type 3 phase 440 volts, 50 Hz, 100 / 150 KVA after disconnecting of electrical connection , taking out oil strip blue line, cleaning and segregating of mechanical mechanisum of operation as per direction of Engr-in-Charge cleaning of inner surface of tank, carrying out repairs including replacement of worm out parts, replacement of nuts, bolts of required Nos, refilling of transformer oil, after dehydration assembling connecting to electric supply load and on site testing on full load for manual corrected output voltage at variable (within permissible limit) input voltage and cut off action on low voltage upto the entire satisfaction of the Engr-in-Charge. (Note : Spare parts shall be measured and paid separately and above mentioned entire specification and fixing of spare parts is included in this job). 69 Supply only servomotor of existing shape and size complete all as specified and as directed. 70 Supply only Electronic circuit card (PCB) complete all as specified and as directed 71 Supply only Electronic circuit card (PCB) complete all as specified and as directed 72 Supply only Micro switch of existing shape and sizes complete all as specified and as directed. 73 Supply only Carbon brush with brush holder (set of three) complete all as specified and as directed. 74 Supply only Potentio meter complete all as specified and as directed. 75 Supply only Push button switch as per existing shape and size complete all as specified and as directed. 76 Supply only tigger transformer complete all as specified and as directed. 77 Supply only drive assembly 25/35 KVA per phase complete all as specified and as directed 78 Supply only RC network servo meter complete all as specified and as directed. 79 Supply only Ampere meter with CT complete all as specified and as directed 80 Supply only panel lamp complete all as specified and as directed. 81 Supply only Dimmer state 20 to 30 Amps complete all as specified and as directed. 82 M&L for dismantling of complete unit of automatic voltage stabilizer oil cooled type 3 phase 440 volts, 50 Hz, 200 KVA after disconnecting of electrical connection, taking out of strip blue line, cleaning and segregating of mechanical mechanisum of operation as per direction of Engr-in-Charge cleaning of inner surface of tank, carrying out repairs including replacement of worm out parts, replacement of nuts, bolts of required Nos, refilling of transformer oil, after dehydration, assembling connecting to electric supply load and on site testing on full load for manual corrected output voltage at variable (within permission limit) input voltage and cut off action on low voltage up to the entire satisfaction of the Engr-in-charge. (Note - Spare parts shall be measured and paid separately and above mentioned entire specification and fixing of spare parts is included in the job) 83 Supply only servomotor of existing shape and siz complete all as specified and as directed. 84 Supply only Elecronic circuit card PCB holder 85 Supply only Elecronic circuit card PCB holder 86 Supply only Micro switch of existing shape and sizes complete all as specified and as directed. 87 Supply only Carbon brush with brush holder (set of three) complete all as specified and as directed. 88 Supply only Potentio meter complete all as specified and as directed. 89 Supply only Push button switch as per existing shape and size complete all as specified and as directed. 90 Supply only tigger transformer complete all as specified and as directed. 91 Supply only drive assembly 25/35 KVA per phase 92 Supply only RC network servo meter complete all as specified and as directed. 93 Supply only Ampere meter with CT complete all as specified and as directed 94 Supply only panel lamp complete all as specified and as directed. 95 Supply only Dimmer state 20 to 30 Amps complete all as specified and as directed. 96 Excavation in trenches in soft/loose soil not exceeding 1.50 Mtgrs wide and not exc 1.5 Mtr deep and getting out for taking out / laying cable, poles & stay etc complete all as specified and as directed. 97 Returing , filling in including spreading levelling, watering and well ramming in layers not exc 25 cm thick after the cable have been laid tested complete all as specified and as directed. 98 Removal of excavated surplus soil to a distance not exc 50 mtrs and depositing where directed at a level not exc 1.5 Mtr above the starting point complete all as specified and as directed. 99 M&L for sand cushioning to under ground cable provided with layer of sand (8 cm deep before laying the cable and 15 cm deep after laying the cable i.e total 23 cm complet all as specified and as directed. 100 M&L for brick laid in trenches for cable protection of burnt clay sub class B complete laid dry flat complete all as specified and as directed. 101 Taking out old unserviceable LT under ground cable any type from trenches, pipes, & poles complete all as specified. 102 Supply and lay (in trenches / duct / fixing to pole / wall or in such similar position) Lt UG cable XLPE insulated armoured and PVC sheathed LT 1100 volts grade with aluminium conductor in replacement of existing U/s UG cable including taking down old unsv UG cable from existing position of following stranded of sizes:-(a)25 Sqmm 4 core 103 All as per item No 102 above but 35 Sqmm 3.5 core 104 All as per item No 102 above but 50 Sqmm 3.5 core 105 All as per item No 102 above but 95 Sqmm 3.5 core 106 All as per item No 102 above but 120 Sqmm 3.5 core 107 Supply, assembly and erection in repairs GI sheet with TDF flange rectangular / square duct made out of L shaped hollow profile, duly factory boxed, incl all accessories such as supply air and return air diffuser, corner, cleat, carrage, bolt gasket and appropriate sealent on longitudinal joints etc complete of size 18 Gauge complete all as specified and as directed. 108 M&L for duct insulation with resin bonded fibre glass wool roll of density 24 Kg/Cum with factory laminated aluminium vapour barrier, thickness of insulation 40mm as specified and including the following:- (a) Cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage.(b) Applying rubber based adhesive CPRX compound. (c) Sealing of all longitudinal joint and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leakproof. (d) Securing the insulation with and including mechanically fastened nylon. 109 Supply & fixing in replacement of Refrigeration control wiring with copper conductor, PVC insulated, unsheathed, multistranded, 1100V grade, single core / multi core of size 1.5/2.5 Sqmm, removing burned cables from existing position and replacement of multicore control wiring etc for interlocking arrangement as per standard practice with thermostat, humidistat, solenoid valve, blower motor, condenser fans, control wiring etc all as specified and as directed. 110 Supply and installation in replacement of voltage stabilizer capacity 5 KVA, AC supply 180 volt to 240 volts, 50 Hz fixing on wall all as specified and as directed. 111 M&L for replacement of condensor / Air filters in out door unit and AHU of ductable split AC 6.5 TR capacity including taking out unsv filters from existing position and fixing of new filters etc all as specified and as directed. 112 M&L for cleaning of AHU and duct of ductable split AC, taking out diffuser and removing of dirt particales, dust and other materials by using thinner or chemical with cleaning brush at any situation including necessary tools for cleaning of duct all as specified and directed. 113 S&F in replacement of diffuser in ductable split AC for existing size and shape before fixing contractor shall be taking out measurement of existing size including taking out unsv diffuser all as specified aand as directed. 114 S&F in replacement of stainer for AHU unit of Ductable split AC including taking down unsv items all as specified and directed.
