REPAIR MAINTENANCE OF CENTRAL AIR CONDITIONERS AT VARIOUS LOCATIONS OF EMU AND CCE RND SOUTH AT RCI UNDER GE I RND RCI HYDERABAD

Amount

Disconnect and remove the un-serviceble micro process based MBB Borad of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble MBB Board and supply and fix new MBB Board to micro process based control panel and refixing to chiller package and programing to the entire panel to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble micro process based Display Borad of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble Display Borad and supply and fix new Display Borad to micro process based control panel and refixing to chiller package and programing to the entire panel to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble micro process based TCPM Borad of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble TCPM Borad and supply and fix new TCPM Borad to micro process based control panel and refixing to chiller package and programing to the entire panel to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble micro process based EXV Borad of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble EXV Borad and supply and fix new EXV Borad to micro process based control panel and refixing to chiller package and programing to the entire panel to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble micro process based Fan Borad of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble Fan Borad and supply and fix new Fan Borad to micro process based control panel and refixing to chiller package and programing to the entire panel to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble Temp Sensor of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble Temp Sensor and supply and fix new Temp Sensor and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble LP Tranducer of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble LP Tranducer and supply and fix new LP Tranducer and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble HP Tranducer of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble HP Tranducer and supply and fix new HP Tranducer and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble Tranducer Cable of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble Tranducer Cable and supply and fix new Tranducer Cable and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble EXV Cable of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble EXV Cable and supply and fix new EXV Cable and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble flow switch of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble flow switch and supply and fix new flow switch and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble Oil Filter of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble Oil Filter and supply and fix new Oil Filter and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble Drier Filter of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble Drier Filter and supply and fix new Drier Filter and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble SW 220 Oil of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and drain/remove the un-serviceble SW 220 Oil and supply and fill new SW 220 Oil and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the burnt out HRC Fuses of capacity 250A / 160 A of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the burnt out HRC Fuses of capacity 250A / 160 A and supply and fix new HRC Fuses of capacity 250A / 160 A and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnect and remove the un-serviceble EXV Motor of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and drain/remove the un-serviceble EXV Motor and supply and fix new EXV Motor and refixing to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Inspecting and Labour charges for repairing of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities for replacement of spares, different boards and programming etc to chiller package to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Supply only Refrigerant gas R-134A complete all as directed.

Disconnect and remove the un-serviceble micro process based control panel of chiller package AC plant MAKE BLUE STAR / voltas / Carrier / dhanbush of various capacities and remove the unserviceble PCB and supply and fix new PCB to micro process based control panel and refixing to chiller package and programing to the entire panel to run the smooth functioning, testing complete all as directed (work should be carried out through OEM)

Disconnection of existing module adaptive control clear language display keyboard, supply and fixing with testing new of module adaptive control clear language display keyboard of TRANE R series chiller plants. Works will be executed through OEM of make Trane ( Note : It is deemed to be understood contractor has visited the site before quoting the rate.)

Leak testing of the system with nitrogen (N2) pressure after evacuating of the existing gas from the system in to empty cylinder by separating the entire system like compressors, condensers, cooling coil and refrigerant lines and rectifying of the leakage including cutting welding, brazing etc and reconnecting with ‘O’ rings, washers, gaskets etc flushing out the Nitrogen and vaccumising, recharging the taken out refrigerant gas complete all as directed to AC plant of various capacity AC plant.

Descaling of condenser of various capacity by circulating descaling agent (HCL) through condensers by forced feed method removing the end covers of the condensers, cleaning the each tube of condenser thoroughly by brushing fixing back the end covers of the rubber gasket, nuts bolts, washers and testing complete all as directed.

Disconnecting and isolating the compressor of YORK and bluestat make and following model No JS-44FN50B of 60TR from the system by placing dummy plates to suction and discharge valves opening the compressor removing all internal parts cleaning of all parts thoroughly, overhauling of compressers, supply and replacing the worn out parts viz piston pins, lock rings, piston rings, oil rings, DV/SV springs, DV washers, DV lock plates valve lifter spring, Nylon nuts, gasket sets etc with new ones and refixing/reassembling the compressor unit, oil charging, testing for oil pressure removing the dummy plates leak testing of the compressor and testing the compressor complete all as directed by Engineer-in-Charge

Disconnecting & isolating the compressor of YORK make and model JS 84F-T50B of 120TR from the system,at CSL AC plant evacuation of gas flushing out the system with Nitrogen, separating suction, discharge, liquid lines opening the compressor removing all internal parts & cleaning thoroughly with soap solution replacing the worn out parts viz piston pins, lock rings, piston rings, oil rings, DV/SV springs, DV washers, DV lock plates valve lifter spring, Nylon nuts, gasket sets etc with new ones and reassembling the compressor unit, checking of electrical and electronic controls, set points and adjust to the facory levels gas/ oil charging, testing for oil pressure leak testing of the compressor and testing the compressor complete all as directed.

Disconnecting and isolating the compressor of the Kirloskar make and model No MCQUAY-904 Screw sealed of 50 TR capacity from the system by placing dummy plates to suction and discharge valves opening the compressor removing all the internal parts, cleaning of all parts thoroughly supply and replacing the worn out parts of piston pins, lock rings, piston rings, oil rings, DV/SV springs, DV washers, DV lock plates valve lifter spring, Nylon nuts, gasket sets etc with new ones and refixing/reassembling the compressor unit, oil charging, testing for oil pressure removing the dummy plates leak testing of the compressor and testing the compressor complete all as directed by Engineer-in-Charge

Disconnecting and isolating the compressor of the Blue star/YORK make and model JS43F-N50B, of 50 TR capacity from the system by placing dummy plates to suction and discharge valves opening the compressor removing all internal parts cleaning of all parts thoroughly supply and replacing the worn out parts of piston pins, lock rings, piston rings, oil rings, DV/SV springs, DV washers, DV lock plates valve lifter spring, Nylon nuts, gasket sets etc with new ones and refixing/reassembling the compressor unit, oil charging, testing for oil pressure removing the dummy plates leak testing of the compressor and testing the compressor complete to the entire satisfaction all as directed by Engineer-in-Charge. NOTES for ser item No 9 to 12: Repalced parts will be measured and paid for separately as supply only and labour elements for fixing the same is deemed to be included in the unit rate quoted. 2. All consumable items like cleaning oil, grease and tools for testing are to be provided by the tenderer and cost of the same shall be deemed to be included in in the quoted rates 3 :works shall be executed through Rep of OEM and authorities letter of OEM shall be produced by the contractor to this effect before commencement of works. Supply and charging of oil & Refrigerant gas will be measured and paid for seperately under relevant items.

Rewinding, varnishing, insulation, ovening, greasing of compressor motor suitable for model DXS24LA-A46/50/MCQUAY /JS43F-N50B JS 94 of 120TR Compressor of AC plants 50/60/120 TR capacity all as directed

Remetling grinding, polishing of crank shaft model DXS24LA-A46/50/MCQUAY /JS43F-N50B JS 94 of 120TR Compressor of AC plants 50/60/120 TR capacity all as directed

Supply only gasket set for compressor of Models/makes :- (A) YORK Make : DXS24LA-A46/50 (B) Kirloskar make MCQUAY /JS43F-N50B

All as per item No. 29 above but Piston

All as per item No. 29 above but Suction valve assembly

All as per item No. 29 above but Discharge valve assembly

All as per item No. 29 above but Connecting rod assembly

All as per item No. 29 above but Bearings

All as per item No. 29 above but Piston rings

All as per item No. 29 above but Thrust washer

All as per item No. 29 above but Discharge reeds

All as per item No. 29 above but Suction reeds

All as per item No. 29 above but Spring set suction

All as per item No. 29 above but Spring set discharge

All as per item No. 29 above but Cylinder sleeve

All as per item No. 29 above but Unloader assembly

All as per item No. 29 above but Pin lift unloader

All as per item No. 29 above but Springs for pin lift unloder

All as per item No. 29 above but Springs retainer clips for lift unloader

All as per item No. 29 above but Oil pump

Disconnecting and isolating the screw compressors (model AFHX85, 30GX 180,30GX-092/ 37.50/ 47.50TR/75TR capacity) electrically and mechanically from the system after pumping down the system, opening othe end cover gear system, checking of the high speed gears, low speed gears, male & female rotors( asymetric rotor), bearings, overhauling of the same, replacing of the wornout, unserviceable spares like trust anchor, roller, tapers, Gasket set etc with new ones, reassembling, refixing back to the system, flushing of the system with dry nitrogen (N2), charging of the oil checking of the oil pressure, leak testing and gas charging complete all as directed. Note : ( a) Supply and charging of compressor oil and Refrigerna gas will be measured and paid for separately. (b) Spares replaced will be measured and paid for separately as supply only. Labour elements for fixing of spares shall be deemed to be included in the unit rate quoted.

All as per item No.47 above but screw compressors of make TRANE ( Model DXS 24 LA/DXS 36LA/RTAA 100K-YQ01A0COB/ RTAA 125K-YR01A0COB of 50/75/80 TR capacity)

Suply only Thrust taper bearings of screw comprssor YORK make of (Model AFHX85, DXS 24LA/DXS 36LA/30GX/60GX :-

All as per item No. 49 above but Rotor bearing

All as per item No. 49 above but Screw balance bearing

All as per item No. 49 above but Slide valve bearing

All as per item No. 49 above but Gasket set

Disconnecting and opening of screw compressor of any make and model after pumping down of the system, varnishing for improvement of insulation resistance inspecting of the cables of the motor end and control panel end of the terminations of the screw compressor (Heli rotor), Inspecting of the conductor, cutting and removing of the burntout end portions, reterminating, rewinding of compressor motors as required, connecting back of the compressor motor connections at both ends of TRANE, YORK, Dunham bush, Carrier series of capacity 37.TR to 80 TR all as directed.

Supply and filling synthetic oil RL 220. Make : RL

Draining out the old existing used compressor oil from the various compressor and supply and Charging of compressor oil of make York C oil complete all as directed by Engineer-in-charge.

Supply and filling compressor oil DB 18/SG 160Z all as directed.

Supply and filling compressor frezol 68 all as directed.

Supply and filling charging any type of Refrigerant gas R-22 /134A/407 C all as directed.

Disconnecting of unserviceable water pressure cut out, IPS-70 and supply and fix new water pressure cut out IPS-70 all as directed. Make : Indofoss/Donfoss

Disconnecting and removing of unserviceable leaking condenser safety valve after making system pumping down and supply and fix new condenser safety valve 0 to 300/0 to 400 PSI all as directed. Make : HENRY/BAP/CASTLE

Disconnecting and removing of unserviceable snap activiation switch from the chiller and supply and fix new snap activiation switch 0.10 to 1 Kg/Cm2 pressure all as directed. Make :- Indofoss/Donfoss

Disconnecting and removing of unserviceable damaged loading unloading coil from the existing position after making system pumping down and supply and fix new loading unloading coil of the compressors of 25 TR to 50 TR capacity complete all as directed. Make : Donfoss or Equivalent in Sahalan

Disconnecting and removing of unserviceable loading unloading coil from the existing position after making system pumping down and supply and fix new loading unloading coil of the compressors of above 50TR to 120 TR complete all as directed. Make : Donfoss or Equivalent in Sahalan

Disconnecting and removing of unserviceable loading unloading coil from the existing position after making system pumping down and supply and fix new loading unloading coil of the compressors of model AKS32R all as directed. Make : Donfoss or Equivalent in Sahalan

Disconnecting and removing of unserviceable damaged loading unloading coil from the existing position after making system pumping down and supply and fix new loading unloading coil of the compressors of model NM 22-021 all as directed. Make : PARKER or Equivalent in in Donfoss

Disconnecting and removing of unserviceable crank case heater and supply and fix nex crank case heater fix of York/screw of compressers.

Disconnecting and removing of unserviceable flow switch from the system and supply and fix new flow switch model M9109-GGA-4 all as directed Make : Johnson Controls/Rapid controls/Penn

Disconnecting and removing of chilled water sensor from the existing positon and supply and fix new chilled water sensor for Trane series, Dhan bush, carrier,York,MCQUAY chillers all as directed. Make : Danfoss/ALERTON

BRITE INDUSTRIES

UNITY ENGINEERING TRADERS

S.S.ENGINEERING CORPORATION

BHAGYARAM ENTERPRISES

omsai thermax engineers

Maruthi international

SRI SAI ENTERPRISES

Universal refrigeration and Engineering Company