REPAIR/MAINT OF AC PLANTS, AHU AND OTHER ALLIED WORKS AT AF STATION SALUA UNDER GE (AF) KALAIKUNDA

Amount

S&F in repair expansion valve required for AC plant of Capacity 5.5 TR Complete all as specified and directed by Engr- in- Charge .

M&L for cleaning of evaporator coils of AC plant of capacity 5.5 TR with dilute HCL by force feed method to remove the dust particle formed on the coil & fins,cleaning of liquid lines stainer expansion valve complete all as specified and directed by Engr- in- Charge .

M&L for servicing including cleaning of condensor , cooling coil,refrigerant coils fins with mild detergent and descaling of condensor coil for Package type 5.5 TR AC of including leake testing with N2 gas any make/ capacity complete all as specified and directed by Engr- in- Charge .

Disconnecting, dismantling and taking out existing burnt out compressor of package type AC 5.5 TR Capacity and supply and fixing sealed unit compresser of existing capacity , single phase, 230 V AC supply initialy filled with compressor oil/gas as speciifed by Engr-in-charge and testing on load for 24 hrs in summer complete all as specified and directed by Engr- in- Charge .

M&L for servicing including cleaning of condensor & evaporator coils fins with mild detergent and descaling of condensor coil for split type AC of any make/ capacity after taking down the whole unit and refixing at the existing location or any other new location after servicing all as specified and directed by Engr- in- Charge .

Supply fixing in replacement of V Belt of size A-28, A-32 suitable for 5.5 TR Capacity package Unit AC all as specified and directed by Engg- in - charge .

M&L micro filter for AC Plant of capacity 5.5 TR complete all as specified and directed by Engg- in - charge .

M&L Air filter for AC Plant of capacity 5.5 TR complete all as specified and directed by Engg- in - charge .

Supply fixing in repair Microprocessor with and including display ckt, sensors and display cable for 16.5 TR package type AC complete all as specified and directed by Engg- in - charge .

Taking out blower motor shaft from AC plant of capacity 5.5 TR , welding and grinding on lathe machine to make suitable allignment with bearing then refixed complete all as specified and directed by Engg- in - charge

S&F in repair runner of fan motor drum for package AC plant of capacity 5.5 TR complete all as specified and directed by Engg- in - charge

S&F in repair fan blade of outdoor unit of AC plant of capacity 5.5 TR complete all as specified and directed by Engg- in - charge

S&F connector for 30-40 AMPS , 440 volts complete all as specified and directed by Engg- in - charge

S&F Auto change over switch for package type AC plant 11 TR complete all as specified and directed by Engg- in - charge

Supply and charging R-22 gas to maintain the required cooling effect as and when required in the split AC/ window type AC & other cooling applinces (charging cost including in this item) complete all as specified and directed by Engr- in- Charge .

Supply and charging R-407C Gas to maintain the required cooling effect as and when required in the Package type AC plant including (charging cost including in this item) complete all as specified and directed by Engr- in- Charge .

S&F in replacement of insulation Nnytriyle rubber 1/6 size including fixing all as specified and directed by Engineer-in-charge.

All as per item No 17 here-in-before but 1/8 size including fixing complete all as specified and directed by Engineer-in-charge.

All as per item No 17 here-in-before but 5/8 size including fixing complete all as specified and directed by Engineer-in-charge.

S&F in replacement of Copper pipe of size 1/4 size including fixing by brazing and jointing all as specified and directed by Engineer in charge.

All as per item No 20 here-in-before but size 1/2 size including fixing by brazing and jointing all as specified and directed by Engineer in charge.

All as per item No 20 here-in-before but size 5/8 size including fixing by brazing and jointing all as specified and directed by Engineer in charge.

Supply and Charging R-134 gas to maintain the required cooling effect as and when required in the water cooler, Refrigerator and other cooling appliance complete all as specified and directed.

Supply and charging Nitrogen gas Gas for finding out leakage as and when required as specified and directed by Engr in charge.

S&F in replacement of Auto transfer switch suitable for Voltas Make 16.5 TR capacity package type Air conditioner for alternate running of AC at regular interval all as specified and directed by Engr- in- Charge .

S&F in replacement of Printed Circuit Board with CT coil complete suitable for 16.5 TR capacity Package type AC Plant.

Supply & fixing in replacement of Capacitor 36 MFD complete all as specified by Engr- in- Charge .

Supply & fixing in replacement of Capacitor 45 MFD complete all as specified by Engr- in- Charge .

Supply & fixing in replacement of Capacitor 50+6 MFD complete all as specified by Engr- in- Charge .

Supply fixing in replacement of Printed Circuit Board suitable for 2TR Capacity Split Unit Air Conditioners including remote, etc.

Supply fixing in replacement of Printed Circuit Board suitable for 1.5 TR Capacity Split Unit Air Conditioners including remote, etc.

Disconnecting, dismantling and taking out existing burnt out compressor from window/Split type Air conditioner 2 TR Capacity and supply and fixing sealed unit compresser of existing capacity 2 TR, single phase, 230 V AC supply initialy filled with compressor gas as specified by Engr-in-charge.

All as per srl item No. 32 here-in-before but Cap 1.5 TR Single phase 230 volts AC 50 Hz supply complete all as specified and directed by Engr-in-charge.

M&L for Shifting of split type AC from MES yard / existing location to the new location by taking it out after filling the opening of old location with cement mortor, applying white wash on wall with matching with existing colour of the site and making opening holes on brick wall at new location and gap well finished with cement mortor, applying white wash, colour wash, distemper etc on wall to match with existing colour of the adjacent surface , installation and commissioning with replacement of insulation of suction & discharge line complete all as specified and directed by Engr-in-charge.

M&L for Shifting of window type AC from MES yard / existing location to the site/ new location where directed & installation by making necessary opening of brick wall/ window and preparing gap well finished by cement mortor applying white washing in matching with the existing colour, disposal of waste material/ filling gap with ply wood on front side of AC and outer corner of ply wood applying two coats of enamelled paint over a coat of primer on plywood surface to match the existing location all as directed by the Engr-in-Charge.

Note: Amount of Rs 17708.00 indicated in tender documents as 'Schedule of Credit' shall be deducted from the total quoted amount of BOQ.

Lotas Engineers

Ganguly Construction