REPAIR / PERIODICAL MAINTENANCE OF CERTAIN PACKAGE TYPE AC PLANTS / COLD STORAGE PLANTS AT AFA HYDERABAD

Amount

M&L for servicing of compressor unit of Package Type AC plant, blowing out the dust, rectifying the minor problems, checking of interlock of safety/ control device, checking of all electrical connections in unit, refrigerant pipe lines, renewal of all corroded sheet metal screws, servicing of blowers, cleaning of evaporator coils washing with chemicals with forced feed method to remove the dust from the coil and filters, greasing the blower fan bearings, alignment of the blower and shaft, adjustment of the 'V' belts tension, tightening the nuts bolts, following capacities of Package type AC plants complete all as specified and as directed. Note:- Small repair work related to servicing part (if any) shall be included in the scope. No extra payment shall be admissible for that account.

Set of 1 x 5.5 TR Capacity

Set of 2 x 5.5 TR Capacity

Set of 3 x 5.5 TR Capacity

Set of 2 x 8.75 TR Capacity

Set of 3 x 8.75 TR Capacity

Set of 3 x 11.0 TR Capacity

Set of 6 x 11.0 TR Capacity

M&L for complete servicing the condensing unit of Package Air conditioning unit with and including dismantling the condensing units sheet metal body, blowing out the dust, spraying the organic based scale with removing agent at the appropriate ratio to the condenser fan area, till removal of complete scales & dust, flushing through for proper air flow across the coil, checking of all electrical connections, greasing of motor bearing, renewal of all corroded sheet metal screws, reassembling the sheet metal parts, and testing the unit complete all as specified and as directed. Note :- Small repair work related to servicing part (if any) shall be included in the scope. No extra payment shall be admissible for that account.

Set of 1 x 5.5 TR Capacity

Set of 2 x 5.5 TR Capacity

Set of 3 x 5.5 TR Capacity

Set of 2 x 8.75 TR Capacity

Set of 3 x 8.75 TR Capacity

Set of 3 x 11.0 TR Capacity

Set of 6 x 11.0 TR Capacity

M&L for servicing of VRF complete with compressor unit of plant, blowing out the dust, rectifying the minor problems, checking of interlock of safety/ control device, checking of all electrical connections in unit, refrigerant pipe lines, renewal of all corroded sheet metal screws, servicing of indoor units complete, washing with chemicals remove the dust from the the filters, greasing the blower fan bearings, tightening the nuts bolts, following capacities of VRF AC plants complete all as specified and as directed. Note :- 1. Small repair work related to servicing part (if any) shall be included in the scope. No extra payment shall be admissible for that account. 2. Servicing will be carried out at least twice in complete duration

ATC Tower 30 hp

Link trainer AC plant (Parker Hall//VIP lounge 76 HP

Flying Clothing Store 30 TR

Vidhya Theatre (Shekon Block) 88 TR

S&F in replacement microprocessor based PCB, as per existing same model & specification, controlling for condensing unit, compressor unit & indoor cassatte unit of following units of VRF type AC plant, of any type and capacity complete all as specified and as directed. Make :- Voltas / Bluestar

M&L for leak testing of the total refrigerant system of Package type AC plants by pumping down the refrigerant to cylinder, flushing out the entire system arrest all leakages by replacing the damaged flare nuts, taflon washers, brazing, gaskets, o rings etc and leak test by supply and charging with Nitrogen gas ( N-2) under constant pressure of 250 - 300 PSI , watching the pressure for 24 Hrs for confirmation, flushing out the system vacuumising and charge the required qty of refrigerant and lubricant testing and commissioning the system complete all as specified and as directed for the following capacity of plants. Note : Refrigerant & compressor oil shall be measured and paid separately under respective items.

Set of 1 x 5.5 TR Capacity

Set of 2 x 5.5 TR Capacity

Set of 3 x 5.5 TR Capacity

Set of 2 x 8.75 TR Capacity

Set of 3 x 8.75 TR Capacity

Set of 3 x 11.0 TR Capacity

Set of 6 x 11.0 TR Capacity

Cold storage plant of any type

M&L for taking down unserviceable hermetically sealed compressor after disconnecting the suction/delivery lines and Supply & fixing hermetically sealed compressor of following capacities as per existing make, model & specification, including pressure testing, vacuumising and charging of refrigerant, testing and commissioning complete all as specified and as directed. Make : Copeland / Danfoss / kirloskar / Blue star / Voltas Note: Refrigerant will be measured and paid separately

5.5 TR Capacity

8.75 TR Capacity

11.0 TR Capacity

S&F liquid line filter drier as per existing make & specification and suitable size to fixing with existing refrigerant line for 5.5 TR to 8.75 TR capacity compressor of AC Plant including taking down unserviceable liquid line filter drier complete all as specified and as directed.

S&F liquid line filter drier as per existing make & specification and suitable size to fixing with existing refrigerant line for 11 TR capacity compressor of AC Plant, including taking down unserviceable liquid line filter drier complete all as specified and as directed.

Removing the worn-out unserviceable blower motor following capcity of AC Plant from the position after disconnecting the electrical connections and transporting to the work shop and opening the end covers, removing the unserviceable winding, clean the slots with CTC, rewind the motor by super enameled copper winding wire of suitable gauge and size with insulating paper, insulating varnish and drying for obtaining requisite insulation values complete with necessary PVC sleeves, lead wire, new terminal block complete and bring back and install in position including testing and commissioning complete all as specified and as directed.

upto 3 HP capacity

5 HP to 7.5 HP capacity

Supply and fixing blower motor V-belt as per existing same Model & specification and suitable size to fixing with existing system for 5.5 TR/ 8.75/ 11 TR capacity Package unit including taking down unserviceable blower motor V-belt and complete all as specified and as directed. Make:- FENNER / DUNLOP / NIRLON

M&L for Repair/Servicing microprocessor based control panel with display including replacing wornout u/s single/three phase controllers, fuse, internal wiring as per existing same model & specification and suitable size to Package unit of AC Plant complete all as specified and as directed.

S&F in replacement microprocessor based control panel alongwith single phase controllers, as per existing same model & specification, controlling for condensing unit, compressor unit & blower of following units to Package type AC plant complete all as specified and as directed. Make :- Voltas / Bluestar / LG

5.5 TR Package Unit

8.75TR Package Unit

11.0 TR Package Unit

Cold Storage 15000 BTU, (+ / -10°C) capacity

M&L thermal insulation with aluminium faced nitrile rubber 12 mm thick for duct/blower unit as per existing density and thermal conductivity including packing material for the 1x 5.5 TR to 6 x 11TR capacities of Package type AC plants complete all as specified and as directed. Make - Armaflex / Aeroflex / Thermobreak

M&L nitrile rubber tubular insulation for copper tubing as per existing density and thermal conductivity including packing material, aluminium sheet cover and PVC tie for the 1x 5.5 TR to 6 x 11TR capacities of Package type AC plants complete all as specified and as directed. Make - Armaflex / Aeroflex / Thermobreak

S&F copper refrigerant tubing for the following sizes (outer dia) including suitable joints/branch connectors and distributers with flare nuts / brazing for indoor & outdoor units as required at site complete including removing the chocked unserviceable copper refrigerant tubing complete all as specified and as directed.

6.4 mm to12.7 mm

15.9 mm to 22.2 mm

25.4 mm to 28.6 mm

M&L for rigid PVC conduit (medium grade) size 32 mm dia for water drain out line for Package type AC plant, laid on walls, ceiling, in floors with clamping/fixing mtrls complete all as specified and as directed.

All as per item 16 above but size 40 mm dia -ditto-.

M&L for preparation of surfaces by scrapping and removing rusted portion with wire brush and applying one coat of Red-oxide primer and two coats of synthetic enamel paint by spray method of the following capacities Package type AC Plant complete all as specified and as directed.

Set of 1 x 5.5 TR Capacity

Set of 2 x 5.5 TR Capacity

Set of 3 x 5.5 TR Capacity

Set of 2 x 8.75 TR Capacity

Set of 3 x 8.75 TR Capacity

Set of 3 x 11.0 TR Capacity

Set of 6 x 11.0 TR Capacity

S&F thermostat switch of range -5 to +25 degree centigrade of following capacity 5.5 to 44 TR including removing the unserviceable thermostat switch complete all as specified and as directed.

S&F thermostat expansion valve of following capacities including cutting and brazing complete including removing the unserviceable thermostat expansion valve from the evaporating unit complete all as specified and as directed.

5.5 TR Capacity

8.75 TR Capacity

11.0 TR Capacity

M&L for servicing of complete indoor/outdoor (Cold Storage plant) labour only for servicing whole chamber, blowing out the dust, rectifying the problems, checking of interlock of safety/control device, checking of all electrical connections in unit, refrigerant pipe lines, renewal of all corroded sheet metal screws, servicing of blowers, cleaning of evaporator coils washing with chemicals with forced feed method to remove the dust from the coil and filters, greasing the fan including replacing the damaged flare nuts, taflon washers, brazing, gaskets, o rings etc tightening the nuts bolts, of the following capacities of Cold Storage Plant plants complete all as specified and as directed. Note :- Servicing shall have to be carried out in an interval of every six months (Atleast 2 times during the currency of the work)

Cold Storage 15K BTU, (+10°C) capacity (2X Rooms)

Cold Storage 15K BTU, (-10°C) capacity (1X Room )

Cold Storage 20K BTU, (-10°C) capacity (1XRoom )

Cold storage 2 x 2 HP ( Eva -23.3°C to -28.0°C) capacity

Supply and filling/topping up/ charging of Refrigerent gas R-22 for Central/Package type ACs complete all as specified and as directed.

Supply and filling/topping up/ charging of Refrigerent gas R-407 for Central/Package type ACs complete all as specified and as directed.

Supply and filling/topping up/ charging of Refrigerent gas R-404 A for Central/Package type ACs complete all as specified and as directed.

Supply and filling/topping up/ charging of Refrigerent gas R-410 for Central/Package type ACs complete all as specified and as directed.

Dismantling and taking down existing unserviceable submain wiring from batten/conduit of any size and making good to disturbed surfaces to match the existing surfaces complete all as specified and as directed.

M&L for submain wiring with 4X10.0 SQMM + 2x10.0 SQMM Earth Wire single core PVC insulated FRLS sheathed cooper cable connecting to common earth dolly in and including heavy duty PVC casing caping/conduit pipe as per direction , all accessories complete all as specified and as directed. Note :- 6 run copper wire and 1 run casing caping/conduit pipe shall be measured as unit length.

M&L for submain wiring with 4X16.0 SQMM + 2x16.0 SQMM Earth Wire single core PVC insulated FRLS sheathed cooper cable connecting to common earth dolly in and including heavy duty PVC conduit pipe as per direction , all accessories complete all as specified and as directed. Note :- 6 run copper wire and 1 run conduit pipe shall be measured as unit length.

S&F in repairs CRCA Sheet metal enclouser with provision to mount MCB/Isolator/RCCB etc, suitable for use on 415 V, 50 Hz supply, metal door IP 20, 4 way for 4 Nos modules complete all as specified and as directed. Make :- Standard / L&T / Legrand .

S&F MCCB 100 Amps ,415 volt ,35 kA Breaking capacity, fixed magnetic & adjustable thermal setting 4 pole incl all termnials, fitting etc complete all as specified and as directed. Make:-Standard / L&T / Legrand .

S&F MCB Four Pole 40 Amps 415V incl all termnials, fitting etc complete all as specified and as directed. Make:- Standard / L&T / Legrand .

S&F MCB Changeover two way centre off switch FP, 40 Amps 415V incl all termnials, fitting etc complete all as specified and as directed. Make:- Standard / L&T / Legrand .

S&F in replacement for the following unserviceable spare parts for Package type AC plants of any make & model complete all as specified and as directed.

Contactor rated current AC 3, 9 Amps, coil voltage 230 V AC, 50Hz, capacity as per existing specification

Contactor rated current AC 3, 18 Amps, coil voltage 415 volts AC, 50Hz, capacity as per existing specification

Contactor rated current AC 3, 25 Amps, coil voltage 415 volts AC, 50Hz, capacity as per existing specification

Relay switch of range 4 to 6.5 Amps

Relay switch of range 6 to 10 Amps

Relay switch of range 9 to 14 Amps

Relay switch of range 13 to 21 Amps

Supply and fixing of fire extinguisher ABC powder type 6 Kg capacity including fixing arrangement complete all as specified and as directed.

S&F in replacement microprocessor based PCB, as per existing same model & specification, controlling for condensing unit, compressor unit & indoor cassatte unit of following units of VRF type AC plant, of any type and capacity complete all as specified and as directed. Make :- Voltas / Bluestar

Supply and fixing premiummaterial green color notice board of size not less than 3 feet x 4feet with aluminum frame boarder for displaying of plant details including fixing on wall with fixing arrangement all as specified and directed

Universal refrigeration and Engineering Company (BID ID -3125186)

omsai thermax engineers (BID ID -3124899)