COMPREHENSIVE MAINTENANCE OF CENTRAL PACKAGE CHILLED WATER TYPE AC PLANT UNDER GE FORT KOCHI

Amount

Comprehensive maint and servicing of the following AC Plants including repair / replacement of defective unserviceable parts during maint period, necessary periodical maint / checking of AC Plants as per manufacturers instructions :- (i) Microprocessor based chiller water plant 160 (80x3) (Vajra Plant) - 01 No (ii) AC plant 45 TR DE type (15x3) (Sargam) - 01 No (iii) Package type AC 11 TR (RAWS) - 03 Nos (iv) Package type AC 7.5 TR (NTR) - 03 Nos (v) Package type AC 17.5 TR (Himagiri) - 03 Nos (vi) Package type AC 8.75 TR (MSO) - 03 Nos

Note :- (a) The quoted rate shall deem to be included the following works :- (i) Checking and calibration of Microprocessor. (ii) Charging of refrigerent gas. (iii) Charging of compressor oil. (b) The rate quoted shall deem to be included General servicing of electrical panels and labour charge for replacement of motor starter, MCCB, MCBs, contactors, connectors, Ammeter, Voltmeter, Indicator lamp, Panel board rewiring with copper conductor of suitable size, and copper coductor for connection to motor from starter. (c) The rate quoted shall deem to be included General servicing of AC plants every month for smooth functioning of AC plant, cost of log books, maint register and other stationary. Record of checking shall be recorded in a register as per the instruction of Engr in Charge. (d) The rate quoted shall deem to be included Cleaning of cooling tower minimum once in two months for the smooth functioning of all AC plant. (e) Material required for replacement shall be measured and paid under relevant Schedule item.

Supply only Microprocessor controller suitable for 80TR Ac plant ,all as specified and as directed. Make:- Soft Hard

Supply only Oil / discharge pressure guage, 100mm dia, all as specified and as directed. Make :- Feibig, 0 to 300 PSI.

Supply only Oil / discharge compound guage, 100mm dia, all as specified and as directed. Make :- Feibig, 0 to 150 PSI.

Supply only pressure guage up to 7 Kg 100 PSI ,all as specified and as directed.

Supply only pressure guage up to 10 Kg 150 PSI, all as specified and as directed.

Supply only condensor safety valve (self resting type), all as specified and as directed.

Supply only compressor motor terminal block suitable for 20HP motor, all as specified and as directed.

Supply only motor terminal block suitable for upto 15 HP motor, all as specified and as directed.

Supply only star delta starter contactors(MNX 40) suitable for 15 to 20 HP for compressor motor , all as specified and as directed.

Supply only DOL starter contactor ML 1.5 for 3 HP capacity pump motor/AHU motor/cooling tower motor, all as specified and as directed.

Supply only DOL starter contactor for 5 HP capacity pump motor/AHU motor/cooling tower motor, all as specified and as directed.

Supply only over load relay 14-33 Amps, all as specified and as directed. Make:- L&T

Supply only over load relay 24-40 Amps, all as specified and as directed. Make:- L&T

Supply only MCB TP 6 to 32 Amps, 'C' series ,415 Volts,having breaking capacity 10 kA, all as specified and as directed.

Supply only MCB TP 63 Amps, C' series ,415 Volts, having breakin g capacity 10 kA, all as specified and as directed.

Supply only phase indicator lamp assembly (RYB) set of three, all as specified and as directed.

Supply only digital type Voltmeter 3 phase 440 volts, all as specified and as directed.

Supply only timer assembly, all as specified and as directed. Make L & T.

Supply only no volt coil 230 volts, all as specified and as directed. Make - L & T.

Supply only no volt coil 440 volts, all as specified and as directed. Make - L & T.

Supply only refrigerated gas F 22 ., all as specified and as directed.

Supply only charging compressor oil, all as specified and as directed.

Supply only 'V' belt B - 79, all as specified and as directed. Make :- Fenner.

Supply only 'V' belt B - 76 , all as specified and as directed. Make :- Fenner.

Supply only 'V' belt A800/A30 , all as specified and as directed. Make :- Poly F Plus.

Supply only 'V' belt SPA/850, all as specified and as directed. Make :- Poly F Plus.

M & L Overhauling AHU of any capacity including cleaning of cooling coils with diluted castic soda, cleaning filters of AHU shaft, replace both end shaft bearings bolt, nuts and washers and applying two coats synthetic enamel paint to inside the AHU, greasing of AHU Blower motor and testing for smooth functioning comlete all as specified.

M & L Overhauling of upto 3 HP capacity pumpset including remetaling of shaft, replacing bush/bearing, gland packing etc complete all as specified.

M & L Overhauling of 5 HP capacity pumpset including remetaling of shaft, replacing bush/bearing, gland packing etc complete all as specified.

M & L Descaling condensing unit with chemicals and Nylon brush and replacing the gaskets suitable for 7.5/8.75/11/16.5 TR capacity.

Taking down unserviceable motor of AHU/ CT fan/ Pump/Compressoor upto 2 HP capacity, cutting out the existing burnt out fan motor winding, cleaning the motor slots, rewinding the motor with insulated copper winding wire of existing gauge, applying varnish to winding, baking / heating up the motor to achieve the proper insulation resistance and refixing after repair at its original position complete all as specified.

Taking down unserviceable motor of AHU/ CT fan/ Pump/Compressoor 3 HP capacity, cutting out the existing burnt out fan motor winding, cleaning the motor slots, rewinding the motor with insulated copper winding wire of existing gauge, applying varnish to winding, baking / heating up the motor to achieve the proper insulation resistance and refixing after repair at its original position complete all as specified.

Taking down unserviceable motor of AHU/ CT fan/ Pump/Compressoor 5 HP capacity, cutting out the existing burnt out fan motor winding, cleaning the motor slots, rewinding the motor with insulated copper winding wire of existing gauge, applying varnish to winding, baking / heating up the motor to achieve the proper insulation resistance and refixing after repair at its original position complete all as specified.

Taking down unserviceable motor of AHU/ CT fan/ Pump/Compressoor 10HP capacity, cutting out the existing burnt out fan motor winding, cleaning the motor slots, rewinding the motor with insulated copper winding wire of existing gauge, applying varnish to winding, baking / heating up the motor to achieve the proper insulation resistance and refixing after repair at its original position ,complete all as specified.

Taking down unserviceable motor of AHU/ CT fan/ Pump/Compressoor 20HP capacity, cutting out the existing burnt out fan motor winding, cleaning the motor slots, rewinding the motor with insulated copper winding wire of existing gauge, applying varnish to winding, baking / heating up the motor to achieve the proper insulation resistance and refixing after repair at its original position complete all as specified.

S & F scroll type sealed compressor of capacity 5.5 TR including taking down the old compressor, recharging of gas, pressure testing etc ,complete all as specified.

S & F scroll type sealed compressor of cap 8.25/8.75 TR including taking down the old compressor, recharging of gas, pressure testing etc ,complete all as specified.

M & L for dismantling the existing AHU for 3x16 TR central type AC plant from the platform and removing the damaged side covers, in- balanced AHU shaft,both side end bearings, deteriorated coils and coil Tray, damaged filters, canvas, blower and Blower fan etc,complete all as specified.

Supply and fix AHU Shaft with blower fan motor for the capacity not less than 18000 CFM suitable for 3x16 TR AC plant AHU including side end bearing including testing and commissioning complete, all as specified and directed .

Supply and fix Bottom tray including Filter tray, coil tray and blower part.suitable for 3x16 TR AC plant AHU complete.all as specified and directed

M & L Side covers for suitable for 3x16 TR AC plant AHU made out of 3 mm thich CRCA sheet duly painted with two coat of synthatic enamal paint including blower fan basement all as specified and directed

M & L copper Cooling coil suitable for 3x16 TR AC plant AHU including testing and commissioning all as specified and directed

M & L For Canvas and header connection for connecting the AHU unit to duct including testing and commissioning all as specified and directed .

M & L for replacement ot Expansion valves for 16TR all as specified and directed including testing and commissioning

N.O. Antony Contractors