REPAIRS AND REPLACEMENT OF CONTROL SWITCH GEAR ELECTRIC CONTROL VFD AUTOMATION SYSTEM SCALE PREVENTER AT RCI UNDER GE I RND RCI HYDERABAD

Amount

Disconnecting and removing of the unserviceable VFD panel from the existing position and supply and fix, connecting & testing new VFD drive VLT 6000HVAC -01 No make Donfoss, 3 pole power contactors MN32-02Nos Make L&T , Relay 14to 23 Amps max 33 AmpsMake L&T -01 No,PLA relay -01 No,MCB SP 6 Amps-01 NosHager make fuse carrier 63 Amp male/female -03 Nos make Vecco pushbutton -02 Nos and indicating lamp 03 Nos complete all as specified and directed.

Disconnecting the unserviceable VFD panel from the existing position and repair, fix, connecting & testing DANFOSS VLT6000 HVAC 5.5 KW / 7.5 KW (HFT / 18474), VFD drive complete all as specified and directed by the Engr-in-Charge.

Disconnecting the unserviceable VFD panel from the existing position and repair, fix, connecting & testing DANFOSS VLT6000 HVAC 5.5 KW / 7.5 KW (HFT / 18475), VFD drive complete all as specified and directed by the Engr-in-Charge.

Disconnecting the unserviceable VFD panel from the existing position and repair, fix, connecting & testing DANFOSS VLT6000 HVAC 5.5 KW / 7.5 KW (HFT / 18476), VFD drive complete all as specified and directed by the Engr-in-Charge.

Disconnecting the unserviceable VFD panel from the existing position and repair, fix, connecting & testing 23A with BOP (HFT / 18605), VFD drive complete all as specified and directed by the Engr-in-Charge.

Draining out the old existing used York L compressor oil from the compressor at AD Integration plant, supply and Charging of York L compressor oil complete all as directed by Engineer-in-charge.

Supply only synthetic oil RL 220. Make : RL

Supply only compressor oil

Supply only compressor frezol 68

Disconnecting and removing of the unserviceble External Oil filter from the compressor, supply and fixing new External Oil filter all as specified and directed by Engr-in-Charge.

Disconnecting and removing of the unserviceble Internal Oil filter from the compressor, supply and fixing new Internal Oil filter all as specified and directed by Engr-in-Charge.

Disconnecting and removing of the un-serviceable low pressure cut out switch from the existing position, supply and fixing new Low Pressure Cut Out Switch all as directed.

Disconnecting and removing of the un-serviceable high pressure cut out switch from the existing position, supply and fixing new High Pressure Cut Out Switch all as directed.

Disconnecting and removing of the un-serviceable oil pressure cut out switch from the existing position, supply and fixing new Oil Pressure Cut Out Switch all as directed.

Disconnecting and removing of the un-serviceable compressor loading solenoid coil from the existing position, supply and fixing new Compressor Loading Solenoid Coil all as directed.

Disconnecting and removing un-serviceable water flow switch from the existing position, supply and fixing new Water Flow Switch all as directed.

Disconnecting and removing un-serviceable water pressure cut out switch from the existing position, supply and fixing new Water Pressure Cut Out Switch all as directed.

Removing un-serviceable catch all core filter from the existing position, supply and fixing new Catch All Core Filter all as directed.

Disconnecting electrically and mechanically the condensor fan motor from the existing position and rewinding, varnishing, insulation, ovening, greasing to the condensor fan motor, replacing of bearings all as directed by the Engr-in-Charge

Disconnecting and removing un-serviceable 1/4" copper pipe coil from the existing position, supply and fixing new 1/4" Copper Pipe Coil all as directed.

Disconnecting and removing un-serviceable 1/4" copper fare nut from the existing position, supply and fixing new 1/4" Copper Fare Nut all as directed.

Disconnecting and removing un-serviceable 1/4" copper Tee from the existing position, supply and fixing new 1/4" Copper Tee all as directed.

Disconnecting and removing un-serviceable 1/4" copper angle valve from the existing position, supply and fixing new 1/4" Copper Angle Valve all as directed.

Disconnecting and removing un-serviceable sub zero controller from the existing position, supply and fixing new Sub Zero Controller all as directed.

Disconnecting and removing un-serviceable condensor fan motor contactor MN18 from the existing position, supply and fixing new Condensor Fan Motor Contactor MN18 all as directed.

Disconnecting and removing un-serviceable compressor contactor 3TF S1 from the existing position, supply and fixing new Compressor Contactor 3TF S1 all as directed.

Disconnecting and removing un-serviceable star delta timer from the existing position, supply and fixing new Star Delta Timer all as directed.

Disconnecting and removing un-serviceable / burnt out copper multistrand 3 core, 2.5 Sqmm cable from the existing position, supply and fixing new Copper Multistrand 3 core, 2.5 Sqmm cable all as directed.

Disconnecting and removing un-serviceable / burnt out copper multistrand 4 core, 4 Sqmm cable from the existing position, supply and fixing new Copper Multistrand 4 core, 4 Sqmm cable all as directed.

Disconnecting and removing un-serviceable / burnt out copper control wiring multistrand 11/8 cable from the existing position, supply and fixing new Copper Control Wiring Multistrand 11/8 all as directed.

Disconnecting and isolating the compressor of 120 TR capacity from the system by placing dummy plates to suction and discharge valves, opening the compressor, removing all the internal parts, re-winding the stator, cleaning of all the 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 and refixing / reassembling the compressor unit, checking oil pressure removing the dummy plates and testing the compressor complete to the entire satisfaction all as directed by Engineer-in-Charge

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

Supply and filling of any type of Refrigerant gas R-22 / 134A / 407 C / 404 complete all as directed.

Supply and replacement of 4 pole MCCB 630 Amps for 0901 AC plant having current carrying capacities with adjustable thermal and adjustable magnetic settings, 50 Hz with 36 KA rupturing capacity at 415 volt, conforms to IEC -60947-II/ IS-13947-II including provision of copper cable/ extended terminals of suitable ratings from MCCBs to busbar and connection of LT cables with MCCBs with suitable size aluminium lugs, dismantling the unserviceable MCCBs from the panel boards complete all as specified and directed. Make: Havells / Standard / L&T / GE / C&S.

Supply and replacement of 4 pole MCCB 400 Amps for QR AC plant having current carrying capacities with adjustable thermal and adjustable magnetic settings, 50 Hz with 65 KA rupturing capacity at 415 volt, conforms to IEC -60947-II/ IS-13947-II including provision of copper cable/ extended terminals of suitable ratings from MCCBs to busbar and connection of LT cables with MCCBs with suitable size aluminium lugs, dismantling the unserviceable MCCBs from the panel boards complete all as specified and directed. Make: Havells / Standard / L&T / GE / C&S.

Dismantling unserviceable modulating valve of size 50 / 80mm and supply and fix a new modulating valve in chilled water line including gear box servicing, reprogramming B.M.S system, servicing to D.C motor 24V and replacing the thermostat and limit switches complete all as specified and directed. cast of the sensor and limit switches shall be deemed to be included in the unit rate quoted.

Repairs to modulating valve of size 50 / 80mm fixed in chilled water line including gear box servicing, reprogramming B.M.S system, servicing to D.C motor 24V and replacing the thermostat and limit switches with new ones complete all as specified and directed.

Disconnecting and removing the unserviceable burnt out contactor, supply and fix new power contactor 50Hz, 415 Volts grade of ML2 capacity including connecting and testing complete all as directed.

All as per Ser Item No 38 above but of capacity ML 4

All as per Ser Item No 38 above but of capacity ML 3

All as per Ser Item No 38 above but of capacity CL 01

All as per Ser Item No 38 above but of capacity CL 02

All as per Ser Item No 38 above but of capacity CL 25

All as per Ser Item No 38 above but of capacity CL 45

All as per Ser Item No 38 above but of capacity MNX 18

All as per Ser Item No 38 above but of capacity MNX 25

All as per Ser Item No 38 above but of capacity MNX 45

All as per Ser Item No 38 above but of capacity SC N3 (65) 65 Amps

All as per Ser Item No 38 above but of capacity SC 03 (11) 20 Amp

All as per Ser Item No 38 above but of capacity CL 25

All as per Ser Item No 38 above but of capacity CL 45

All as per Ser Item No 38 above but of capacity 00/01/SFK, 25 Amps

All as per Ser Item No 38 above but of capacity CL 50, 125 Amps Make for Ser Item Nos 38 to 53 : L&T / ABB / GE

Checking of AC plant electrical panel inter locking system, cleaning of busbars and panel internal part with CTC and connections of the bus bar cleaning of contract points including replacement of indicating lamps, lamp holders, toggle switches, push buttons, contact kkits and necesary connections complete all as specified and directed for tech plants of an capacity.

Disconnecting and removing the un-serviceable display board of chiller unit from the existing position, supply and fixing new Display Board in chiller unit of War Head AC plant all as specified and directed by Engr-in-Charge.

Disconnecting and removing of un-serviceable prodialog basi (Mother board) of chiller unit from the existing position, supply and fixing new Prodialog Basi (Mother Board) in chiller unit of War Head AC plant all as specified and directed by Engr-in-Charge.

Disconnecting and removing of un-serviceable fan board of chiller unit from the existing position, supply and fixing new Fan Board in chiller unit of War Head AC plant all as specified and directed by Engr-in-Charge.

Disconnecting and isolating the compressor of 75 TR capacity (War Head AC Plant) from the system by placing dummy plates to suction and discharge valves, opening the compressor, removing all the internal parts, cleaning of all the parts thoroughly, supply and replacing the worn out parts of 'O' Ring set, bearings, gasket sets and refixing / re-assembling the compressor unit, checking oil pressure removing the dummy plates and testing the compressor complete to the entire satisfaction all as directed by Engineer-in-Charge

Draining out the unserviceable synthetic oil from the compressor of War Head AC Plant and supply, charging of Synthetic Oil complete all as specified and directed by Engineer-in-charge.

Disconnecting and removing of un-serviceable sensor in chiller unit from the existing position, supply and fixing new Sensor in chiller unit of War Head AC plant all as specified and directed by Engr-in-Charge.

Disconnecting and removing of the unserviceble core filter from the compressor at War Head AC plant, supply and fixing new Core Filter all as specified and directed by Engr-in-Charge.

Disconnecting and removing the unserviceble LP Tranducer from the chiller unit at War Head AC plant, supply and fixing new LP Tranducer all as specified and directed by Engr-in-Charge.

Disconnecting and removing the unserviceble HP Tranducer from the chiller unit at War Head AC plant, supply and fixing new HP Tranducer all as specified and directed by Engr-in-Charge.

Disconnecting and removing the unserviceble Tranducer cable from the chiller unit at War Head AC plant, supply and fixing new Tranducer cable all as specified and directed by Engr-in-Charge.

Disconnecting and removing the un-serviceable PDS-SCPM3 board of chiller unit from the existing position, supply and fixing new PDS-SCPM3 Board in chiller unit of War Head AC plant all as specified and directed by Engr-in-Charge.

Disconnecting and removing the un-serviceable EXV board of chiller unit from the existing position, supply and fixing new EXV Board in chiller unit of War Head AC plant all as specified and directed by Engr-in-Charge.

vvcenterprises

L and S ENTERPRISES

S.S.ENGINEERING CORPORATION

CHITRA ENGINEERING CORPORATION

SRI SAI ENTERPRISES

Maruthi international

SUN LIGHT HOUSE

BHAGYARAM ENTERPRISES