REPAIR AND COMPREHENSIVE MAINT OF AC PLANT AT PP R S BASE OPS AND LOGOSTIC IN AIR FORCE STN KHERIA UNDER AGE EM OF GE (AF) TECH AREA KHERIA AGRA

Amount

Maintenance of air cooled type Modal No-XACYS2080AR2 air conditioning plant (Air cooled) 3 x70 TR AC plant at PPR&S (2W+1SB) , Including servicing of motors, cleaning of condenser and cooling coil including repairs / replacement of unserviceable worn out parts complete with consumable materials (i.e kerosens oil, cotton waste, cloth malmal, nylon and steel wire brushes gasket, rubber gasket etc) and cleaning & refixing of all pumps and labour and tools greasing to condenser cum blower fan motors replacing worn-out rubber bushes / rubber packing, rectification of unusual noise, cheking of refrigerant standing pressure, topping of refrigerant upto the required level, replacement of minor parts such as nut bolt washers etc. and reassembling of complete AC including testing for smooth functioning complete all as specified and directed by Engr-in-charge.

Maintenance of chiller type Modal No-CWCDR0300MNT water cooled Air conditioning plant (water cooled) 3 x40 TR (2W+1SB) AC plant at Base ops , Including servicing of motors, cleaning of condenser and cooling coil including repairs / replacement of unserviceable worn out parts complete with consumable materials (i.e kerosens oil, cotton waste, cloth malmal, nylon and steel wire brushes gasket, rubber gasket etc) and cleaning & refixing of all pumps and labour and tools greasing to condenser cum blower fan motors replacing worn-out rubber bushes / rubber packing, rectification of unusual noise, cheking of refrigerant standing pressure, topping of refrigerant upto the required level, replacement of minor parts such as nut bolt washers etc. and reassembling of complete AC including testing for smooth functioning complete all as specified and directed by Engr-in-charge.

Note for Item No 1 and 2 - (i) Refrigerant Gas required for topping up will be measured and paid separately as supply only under respective item of this Sch. (ii) Any spare part of AC if found defective will be measure as supply and fix in repairs under respective items of this Sch. (iii) Contractor needs to visit the site before quoting the rate. (iv) Provide a technician for 8 hrs of (09 AM to 5 PM) daily for AC plant operating, checking of plant, greasing of parts, oiling of parts if required & cleaning of cooling coil daily.Contractor's quoted rate shall deemed to be inclusive of this provision & nothing extra shall be payable on this account.

M&L for descaling of 3 x 70 TR / 3 x 40 TR the entire water circulating system for central AC plant along with condensers, cooling tower/piping pumps etc. Opening condenser by disconnecting nut bolts and cleaning with MAIC decaling solution with help of descaling pump/wire brush, cleaning rod etc circulating above solution in condenser pipe lines as required time, flushing out the complete solution from condensers pipe line by fresh water with pressure. Re-assembling by replacement of unserviceable nut bolts washers gaskets etc complete all as specified and directed by Engr-in-charge. Note:-Cleaning shall be carried out as many time as required through out the season to keep head pressure within safe limit

M&L for spray painting of 3 x 70 TR / 3 x 40 TR after scratching and rubbing for removing of old existing paint from the surface of the central AC plants complete i.e. compressors, condensers, motors, water circulating pipe line, connecting valves, AHU, electric panels, stablizer, switches etc and including applying one coat of red oxide primer & and two coats of synthetic enameled paint as per colour code system approved by Engr in charge including writing SM/MES number & marking arrow for flow of refrigerant on refrigerant lines and water lines complete all as specified and directed .

Supply, fixing & renewal of air cooled chiller compressor of cap 20 TR ( Model no- SY300A4PBE, Make- Danfress) from base frame and filling of compressor oil, Charging of refrigerant gas to the required pressure and testing the compressor at full load as approved complete all as specified and directed by the Engr-in-Charge for Modal No-XACYS2080AR2 air conditioning plant (Air cooled).

Overhauling & replacement of water cooled chiller compressor with Motor of cap 40 TR ( Model no- 5H46, Make- Voltas) from base frame and filling of compressor oil, charging of refrigerant gas to the required pressure and testing the compressor at full load as approved complete all as specified and directed by the Engr-in-Charge for Modal No-CWCDR0300MNT water cooled Air conditioning plant (water cooled).

M&L for 3 x 70 TR / 3 x 40 TR pressure/gas leakage testing of entire refrigeration system and flushing of oil from cooling coil by dry Nitrogen gas with the help of air compressor or dry Nitrogen gas cylinder, cleaning & washing fins, air filter removing the all dust particles by using necessary, chemical, tools/machinery and required material like nitrogen gas, caustic soda, chemical , fresh water, gland packing for tightening including dismantling and including re-assembling in original position and testing complete all as specified and directed.

Supply and filling in gas R-407c complete all as specified and directed.

Supply and filling in gas R-22 complete all as specified and directed.

S & F display unit with PCB complete set for air cooled / water cooled complete all as specified and directed. Model no.- XACYS208DAR2/Modal No-CWCDR0300MNT or as approved by GE.

Supply only new compressor oil for Charging/Fillig in central AC plants compressor's complete all as specified and directed.

S& F in renewal solenoid valve complete all as specified and directed.

S& F in renewal drier filter (liquid line 6095 refrigerant filter drier 16hs) complete all as specified and directed.

M & L for rewinding the electric motor of capacity 12.5 HP by dismantling and removing the burnt out copper winding the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the part of the motor, reinstallation in same position complete including testing and commissioning complete all as specified and directed.

M & L for rewinding the electric motor of capacity 10 HP by dismantling and removing the burnt out copper winding the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the part of the motor, reinstallation in same position complete including testing and commissioning complete all as specified and directed.

M & L for rewinding the electric motor of capacity 7.5 HP by dismantling and removing the burnt out copper winding the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the part of the motor,einstallation in same position complete including testing and commissioning complete all as specified and directed.

M & L for rewinding the electric motor of capacity 5 HP by dismantling and removing the burnt out copper winding the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the part of the motor, reinstallation in same position complete including testing and commissioning complete all as specified and directed.

S & F in renewal contactor (for pump) 3 phase 32 Amps with AC Coil voltage 415 volts fixed in existing pannel complete all as specified and directed.

S & F in renewal contactor (for air cooled chiller in main panel) 200 Amp 415 V complete all as specified and directed.

S & F in renewal contactor (for air cooled chiller in chiller panel) 100 Amp 415 V complete all as specified and directed.

S & F in renewal contactor (for condenser fan chiller in chiller panel) 20 Amp 415 V complete all as specified and directed.

S & F in renewal MCCB, 4 Pole, 50 hz 415 volts of capacity 200 Amps with rupturing capacity 25 KA complete all as specified and directed.

S & F in renewal MCCB, 4 pole 100 Amps working on 3 phase 415 volts AC fixed in existing pannel complete all as specified and directed.

S & F in renewal MCCB, 4 pole 63 Amps working on 3 phase 415 volts AC fixed in existing panel complete all as specified and directed.

S & F in renewal MCB, 4 pole 40 Amps working on 3 phase 415 volts AC fixed in existing panel complete all as specified and directed.

S & F in renewal MCB, 4 pole 32 Amps working on 3 phase 415 volts AC fixed in existing panel complete all as specified and directed.

S & F in renewal MCB, 4 pole 16 Amps working on 3 phase 415 volts AC fixed in existing panel complete all as specified and directed.

S & F in renewal relay timer complete all as specified and directed.

S & F in renewal 1 phase preventer complete all as specified and directed.

S & F in renewal digital amp, voltage and Hz meter complete all as specified and directed.

S & F in renewal indicating lamp R,Y,.B complete all as specified and directed.

Supply and fixing AHU fillters 90% upto 10 Micron of size (600x600) mm complete all as specified and directed.

Supply and fixing AHU fillters 90% upto 10 Micron of size (600x300) mm complete all as specified and directed.

Supply and fix in renewal Pressure Gauge 4" dial 0-21 Kgs rating complete all as specified and directed.

S & F in renewal Blower motor pulley as per sample complete all as specified and directed.

S & F in renewal water flow switch complete all as specified and directed.

S & F in renewal water temperature sensor (in & out Water) complete all as specified and directed.

S & F in renewal air release valve complete all as specified and directed.

S & F in renewal butterfly valve ( 125 mm) complete all as specified and directed.

S & F in renewal three way motorised valve (125mm) complete all as specified and directed.

S & F in renewal 1000 Ltr PVC expansion tank with complete insulation and pipe connection complete all as specified and directed.

S & F in renewal fuse switch unit 315 Amp for hot water generator capacity 200KW complete all as specified and directed.

S & F in renewal MPD complete all as specified and directed.

S & F in renewal VPD complete all as specified and directed.

S & F LP / HP complete all as specified and directed.

S & F in renewal crank case heater complete all as specified and directed.

M & L complete wiring with copper wire 25 Sqmm for hot water generator capacity 200KW complete all as specified and directed.

M & L complete wiring with copper bus bar for hot water generator capacity 200KW complete all as specified and directed.

Supply and fixing in repair cooling tower fins as per existing size & sample for complete tower complete all as specified and directed.

Supply and fixing in repair cooling tower Sprinkler as per sample complete all as specified and directed.

Supply and fixing in repair cooling tower Strainer filter as per sample complete all as specified and directed.

M & L for fixing in repair cooling tower fan as per sample complete all as specified and directed.

Supply and fixing in Dehumidifier control as per sample complete all as specified and directed.

Supply and fixing in Dehumidifier Thermostate as per sample complete all as specified and directed.

Supply and fixing MPD for water cooled chiller panel (Model EC) complete all as specified and directed.

Supply and fixing VPD for water cooled chiller panel (Model EC) complete all as specified and directed.

Supply and fixing strip heater of 2 KW capacity at return air complete all as specified and directed.

Supply and fixing strip heater of 3 KW capacity at return air complete all as specified and directed.

Supply and fixing in expansion valve as per sample complete all as specified and directed.

Supply and fixing pump for condenser & chiller as per sample complete all as specified and directed.

Supply and fixing overload relay as per sample complete all as specified and directed.

Gupta Automobiles

H.S.Kochhar n Sons

Flint India

M/s SCHOLASTIC ENTERPRISES