REPAIR / MAINT OF AC PLANTS AND OTHER CONNECTED WKS AT NCN, CIRCAR AND HQ ENC BLDG UNDER AGE E/M NO-I OF GE (U-I) VISAKHAPATNAM

Amount

M&L for Servicing AHU of 11 TR capacity (Package AC), with and including dismantling units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent Vaniklin at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion valve; greasing of blower motor, checking of electrical connection, cleaning of air filters, greasing of blower motor, replacement of un serviceable bearings, Painting of blower motor, water drain lines, renewal of rusted sheet metal screws, applying synthetic enamel paint over one coat of primer on the rusted portion and testing & commissioning the unit all as specified and as directed by Engineer-in-Charge.

M&L for complete Servicing the condensing unit of 5.5 TR capacity (Package AC), with and including dismantling units, sheet metal parts, blowing out the dust, spraying the organic based scale removing agent Vaniklin at the appropriate ratio to the condenser fan area till removal of complete dust & scale, flushing through for proper air flow across the coil, cleaning of expansion valve; greasing of blower motor, checking of electrical connections, greasing of motor bearing renewal of all corroded sheet metal screws, applying synthetic enamel paint over one coat of primer on the rusted portion and testing & commissioning the unit all as specified and as directed by Engineer-in-Charge.

M&L for complete leak testing the indoor and outdoor units, complete refrigerant pipe with Nitrogen gas, locating the leaks, rectify the leak by brazing / welding and pressure testing the complete system of 5.5 TR Capacity of air cooled package AC system all as specified and as directed by Engineer-in-Charge.

Supply and charge refrigerant gas R407C (Environmental friendly) including leak testing the system, arresting the leaks with necessary materials like gasket / ‘O’ rings/ washers all as specified and directed by Engineer-in-Charge. Make : Mafron / Freon / Floron / Refron / National

S&F PCB Board suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge.

S&F Condenser unit suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge.

S&F Outdoor fan motor suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge.

S&F Indoor fan motor suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge.

S&F Outdoor fan blade suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge.

S&F blower unit for Indoor suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge.

Supply only compressor oil of make as per OEM as specified and directed by Engineer-in-charge.

S&F Expansion valve suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge.

S&F over load protection relay suitable for 5.5 TR package type AC unit and of make as per OEM including taking down old one complete all as specified and as directed by Engineer-in-charge. Make: L&T / Schnieder/ GE / BCH / C&S / ABB / Siemens

S&F in repair scroll compressor suitable for 5.5 TR capacity package type AC unit including sealing of the compressor with brazing complete all as specified and directed by Engineer-in-Charge. Make:- Blue star / Voltas / Carrier / Emerson copeland

S&F in repair 3 pole MNX power contactors in various AC plants including necessary control wiring all as specified and as directed by Engineer-in-Charge. Make: L&T / Indoasian / GE / BCH / HPL / C&S / ABB / Siemens

M&L for complete leak testing with Nitrogen gas of all connected units of central AC plant of capacity 22 TR, Chiller Unit & refrigerant piping, locating the leaks if found, rectifying the leak by brazing / welding and pressure testing the system complete all as specified and as directed by Engineer-in-Charge.

M&L for taking down defective induction motor of 5 HP capacity, 415 V & any make / duty or any class of insulation from the bed duly coupled with pump, transporting to work shop, removing burnt out winding from stator, rotor and re-winding the same with existing gauge super enameled copper wire of approved make including complete overhauling, supply & replacing driven end and non driven end bearings, insulation materials, varnishing, heating, reassembling, testing and commissioning complete all as specified and directed.

Dismantling pump / motor set of 5 HP capacity and disconnecting water and electric connection, removing shaft from impeller, grinding, polishing to shaft & suction cover and replacing gun metal bushes for shaft , key for shaft , Graphite packing , water slinger , Gland bush, coupler etc fixing gland rope, greasing and fixing same shaft and impeller and assembling back all parts properly, testing complete all as specified and as directed.

M&L for removing the worn-out duct / pipe insulation carefully, cleaning / preparation of duct surface by scrapping carefully with wire brush etc. to make the surface completely free of mill scale, dirt, dust, grease and other foreign materials, providing new duct insulation not less than 13mm thick with nitrile rubber insulation with aluminium film reflective surface including taking special care to ensure duct joints sealed against any leakage complete all as specified and directed.

M&L for complete servicing the condensing unit of 22 TR Chiller unit direct expansion type outdoor including dismantling the units carefully, chemical cleaning of compressor, condenser tube and control piping, with appropriate cleaning agents, flushing through proper air flow across the coils to improve the cooling efficiency, reassembling & re-installing the units in their original position including replacing defective spare parts and testing & commissioning complete all as directed by Engr-in-Charge.

S&F in repair scroll compressor suitable for AC plant of capacity 22 TR & of make as per OEM complete all as specified and directed.

M&L for complete leak testing with Nitrogen gas of indoor and outdoor units of VRF type AC plant of capacity 24 HP X 1 + 16 HP X 1 & make Hitachi, complete refrigerant pipe, locating the leaks if found, rectifying the leak by brazing / welding and pressure testing the complete system complete all as specified and as directed by Engineer-in-Charge.

All as per Sl item No. 22.00 above but for VRF AC plant of capacity 20 HP x 1 + 16 HP x 1

All as per Sl item No. 22.00 above but for VRF AC plant of capacity 12 HP x 1

Supply and charging R-410A refrigerant gas complete all as specified and as directed. Make: Floron / Mafron / Refron / Refron / National

S&F in repair outdoor fan motor DC 8 P, E class, 910 W suitable for VRF unit & of make as per OEM complete all as specified and as directed by Engineer-in-Charge.

S&F in repair programable circuit board suitable for VRF unit (20HP) & of make as per OEM complete all as specified and directed.

M&L for complete servicing of outdoor unit of 24 HP (VRF Type) with and including dismantling the condensing units sheet metal body, blowing out the dust, spraying organic based scale removing agent of Vaniklin at the appropriate ratio to the condenser fan area, till removal of complete scales & dust, flushing through for proper air flow across the coil, checking of all electrical connections, greasing of motor bearing, renewal of all corroded sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion, reassembling the sheet metal parts, and testing the unit all as specified and as directed by Engineer-in-Charge. Make of paint :- Jotun India Pvt Ltd / Asian Paints / Berger / Jenson & Nicholson Paints Ltd / Shalimar Paints Ltd

All as per Sl item No. 28.00 above but for outdoor unit of 20 HP capacity

All as per Sl item No. 28.00 above but for outdoor unit of 16 HP capacity

All as per Sl item No. 28.00 above but for outdoor unit of 12 HP capacity

M&L for servicing the ductable indoor unit of 10 HP capacity (VRF AC), with and including dismantling units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent Vaniklin at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion valve; greasing of blower motor, checking of electrical connection, cleaning of air filters, water drain lines, renewal of rusted sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion and testing & commissioning the unit all as specified and as directed by Engineer-in-Charge. Make of paint :- Jotun India Pvt Ltd / Asian Paints / Berger / Jenson & Nicholson Paints Ltd / Shalimar Paints Ltd

M&L for servicing the 4 way cassette type Indoor unit of 1 HP to 3 HP capacity (VRF AC) with and including dismantling units, sheet metal parts, blowing out the dust, chemical cleaning by spraying the organic based scale removing agent Vaniklin at the appropriate ratio till removal of complete dust & scale deposits in the fin area of evaporator coil, flushing through for proper air flow across the coil, cleaning of expansion value; greasing of blower motor, checking of electrical connection, cleaning of air filters, water drain lines, renewal of rusted sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion and testing & commissioning the unit all as specified and as directed by Engineer-in-Charge.

All as per Sl item No 33.00 but for wall mounted type Indoor unit of 1.5 HP capacity (VRF AC)

M&L for attending emergency breakdown calls immediately for (24HP x 1+ 16HP x 1) VRF AC outdoor unit and indoor units, as per OEM recommended by deploying required staff including specialized man power & by arranging required spares, tools & plant etc, to keep all the system operational & healthy condition as required complete all as specified and as directed. Note:- Supply and fixing of spares required shall be measured and paid separately under relevant item.

All as per Sl item No. 35.00 above but for VRF AC plant of capacity 20HP x 1 + 16HP x 1

All as per Sl item No. 35.00 above but for VRF AC plant of capacity 12HP x 1

S&F in repair programable circuit board for VRF unit (24HP & make Hitachi) & of make as per OEM complete all as specified and directed.

S&F in repair heat exchanger assembly sutiable for 4 way cassette AC indoor unit (Hitachi RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair EXP valve for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair in repair main PCB for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair Air Filter for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair Float switch for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair Pump for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair stepper motor for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair air sensors for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair Coil sensors for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair Receving kit for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair Remote for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair Fan motor for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair drain pan for 4 way cassette AC indoor unit (Hitachi, RCI-FSKDNQ) & of make as per OEM complete all as specified and directed.

S&F in repair main PCB suitable for indoor unit of split AC wall type (Hitachi RPK1.5FSNK2) & of make as per OEM complete all as specified and directed.

S&F in repair air sensors suitable for indoor unit of split AC wall type (Hitachi RPK1.5FSNK2) & of make as per OEM complete all as specified and directed.

S&F in repair coil sensors suitable for indoor unit of split AC wall type (Hitachi RPI10FSNK1) & of make as per OEM complete all as specified and directed.

S&F in repair Main PCB suitable for indoor unit of Ductable type AC (Hitachi RPI10FSNK1) & of make as per OEM complete all as specified and directed.

S&F in repair Controller suitable for indoor unit of Ductable type AC (Hitachi RPI10FSNK1) & of make as per OEM complete all as specified and directed.

S&F in repair Exp coil suitable for indoor unit of Ductable type AC (Hitachi RPI10FSNK1) & of make as per OEM complete all as specified and directed.

S&F in repair motor suitable for indoor unit of Ductable type AC (Hitachi RPI10FSNK1) & of make as per OEM complete all as specified and directed.

S&F in repair oil heater suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair Exp valve suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair protection net suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair Propeller fan suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair pressure sensor suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair Noise Filter suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair Main PCB suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair Fan Motor suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair inverter modular suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair Compressor suitable for Outdoor unit of VRF AC (Hitachi RAS-_ _HNBCMQ1) & of make as per OEM complete all as specified and directed.

S&F in repair pressure gauge for condensor water pressure and chilled water pressure of 4 inch and with range of 0- 100 kg/cm2 including fixing accessory to existing pipe line complete all as specified and directed.

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