REPAIR / MAINTENANCE OF PACKAGE AC PLANT, SPLIT ACs, WATER COOLER AND ITS ALLIED WORKS AT AF STATION KHAMBHALIYA AND DWARKA UNDER GE (AF) JAMNAGAR NO.2

M & L for annual servicing of split air conditioner cap 1.5/2.0 ton by disconnecting electric connection from its stabilizer or its electric board and remove the front cover or indoor AC unit and cleaning it with pressurized water and nylon brush, refixing the front cover of indoor unit. Remove the outer cover of out door unit and covered the condensing unit with ploythene / plastic cover so that water shall not be entered in the motor while cleaning the unit and filter with pressureized water then apply one coat of descaling solution and clean with wire mesh bursh/nylon brush to the condensing coil of out door unit and greasing of all moving parts. Cleaning of Cooling and condenser coil of indoor and outdoor unit shall be properly carried out without damaging other parts. Checking and making serviceable electrical connection of DBs, Stabilizer, wiring of ACs as per site condition and tightening all electrical connection complete all as specified and directed. Note - Replacement of defective parts with new parts shall be measured and paid seperately under respective items in the schedule.

Material and labour for leak testing of cooling coils attached with indoor and outdoor unit of split air conditioner uisng CO2/Nitrogen gas, arrest of leakage with brazing of copper pipe and retest again for leakage complete all as specified and directed.

M & L for charging of refrigerant R-22/R32 gas to air conditioner or as per existing /manufacturer instrcutions suitable for split air conditioner cap 1.5 ton after flushing out the entire refrigerant, vaccum testing of entire closed loop system for 24hrs and charging the unit with specified quantity of gas, as per manufacturer instructions,as mentioned above complete all as specified and directed.

All as per item no.3 above but for 2.0 ton capacity complete as per manufacturer instructions complete all as specified and directed.

Material and labour for maintenance of air conditioner 1.5/2.0 ton capacity, split type unit with replacement of old/unsv spare parts mentioned as under or as per manufacturer instructions including testing on load complete all as specified and directed.

S & F in repair over load protector suitable range and capacity complete all as specified and directed.

S & F in repair starting capacitor 80/100/120 mfd suitable for 240 volts 50 HZ AC supply complete all as specified and directed.

S & F in repair running capacitor of 36/45/50/60 + 5/6 mfd suitable for 240 volts 50 HZ AC supply complete all as specified and directed.

S & F in repair capacitor of 2.5 mfd suitable for suitable for blower fan motor of 1.5/2.0 ton AC complete all as specified and directed.

S & F in repair thermostat switch of suitable suitable for 1.5/2.0 ton AC complete all as specified and directed.

S & F in repair compressor relay of suitable suitable for 1.5/2.0 ton AC complete all as specified and directed.

S & F in repair control relay of suitable suitable for 1.5/2.0 ton AC complete all as specified and directed.

S & F in repairs brass service valve of size 5/8" suitable for Split AC complete all as specified and directed.

S & F in repairs brass service valve of size 3/8" suitable for Split AC complete all as specified and directed.

S & F in repairs copper tubing of size 3/8" suitable for split AC with nitrile self adheive foam wrapped with PVC insulation all around the pipe line complete all as specified and directed.

S & F in repairs copper tubing of size 5/8" suitable for split AC with nitrile self adheive foam wrapped with PVC insulation all around the pipe line complete all as specified and directed.

Supply and fix in repair flexible PVC pipe for condense water outlet as per existing all as directed & as site requirement complete all as specified and directed.

S & F in repairs copper condenser coil suitable for split AC of cap 1.5/2.0 ton complete with necessary electrical connection complete all as specified and directed.

S & F in repairs evaporator copper cooling coil suitable for indoor unit split AC of cap 1.5/2.0 ton complete with necessary electrical connection complete all as specified and directed.

S & F in repairs Blower motor of 1/7 HP to 1/6 HP 230 volts 930 RPM, 20 Watt, 3 speed for indoor unit of split AC 1.5/2.0 TR of existing make complete all as specified and directed. Make :- Carrier/Voltas/LG/Samsung or as per existing make of AC at site.

S & F in repairs condenser fan motor 1/8 to 1/12 HP, 900/1400 RPM, 60 Watt suitable for 1.5/2 TR split AC outdoor unit, single phase, of existing make complete all as specified and directed. Make:- LG/Bluestar/Voltas or as per existing make of AC at site.

S & F in repairs Codenser Fan motor for outdoor unit suitable for inverter type split AC 1.5/2.0 TR of existing make complete all as specified and directed.

S & F in repairs Blower motor for indoor unit suitable for inverter type split AC 1.5/2.0 TR of existing make complete all as specified and directed.

S & F in repairs Blade set of fan motor of out door unit, made out of Aluminium sheet Suitable for shaft bore dia 1/2" and fan dia 16"/ 18" in existing air conditioner split type complete all as specified and directed.

S & F in repairs Blade set of fan motor of out door unit, made out of PVC Suitable for shaft bore dia 1/2" and fan dia 16"/ 18" in existing air conditioner split type complete all as specified and directed.

S & F in repairs Pre-air filter made up of PVC for indoor unit of split AC suitable for any make and description complete all as specified and directed.

S & F in repairs PVC fan blower assembly for 1.5 /2TR split AC's any make complete all as specified and directed.

S & F in repairs printed circuit board (PCB) with suitable for Split AC 1.5/2.0 TR of any capacity, model and make as per existing complete with necessary electrical connection complete all as specified and directed.

S & F in repairs printed circuit board (PCB) with hand set of indoor, outdoor and display unit suitable for Inverter type Split AC 1.5/2.0 TR of any capacity, model and make as per existing complete with necessary electrical connection complete all as specified and directed.

S & F in repairs swing motor of suitable for indoor unit of split AC suitable for any make and description complete all as specified and directed.

M & L for repairs to internal remote assembly cordless type suitable for split air conditioner with replacement of PCB, LED indicator and other micro components complete all as specified and directed.

M & L for replacement of defective cut open compressor / uncut compressor suitable for air conditioner with new compressor filled with capila D and charging of refrigerant gas up to required capacity after flushing the complete refrigerant system including repair to leakage if any in refrigerant piping and replacement of filter complete for split type AC's of the following capacity complete all as specified and directed.

1.5 ton capacity

2.0 ton capacity

S & F in repair air conditioner outdoor unit single phase as per existing brand complete with all connection and taking out old unsv for the following cap of air conditioner. Make : Samsung/Voltas/Carrier/LG/O General

1.5 ton capacity

2.0 ton capacity

Taking down / Dismantling carefully the indoor and outdoor unit of Split AC of capacity 1.5 TR / 2.0 TR with outdoor stand, plate for indoor unit and connected wiring, Transportation of complete set from old location to new location (with AF station Jamnagar), refixing of same AC at new location complete all as directed by Engr-in-Charge & detail as under:- (a) Fixing of indoor unit wall mounting type (to be installed inside the room) complete with, draining out arrangement for condensed water, fixing of inter connection pipe, all as directed. Fixing of cooling unit on wall shall be as per standard recommendation practice of manufacturers. (b) Erection of condenser, compressor unit on outside of the building, fixed over old clamp / bracket, all as per standard practice of manufacturer. (c) All civil work such as making hole in the wall for passing of pipe etc, to be done, as directed by Engr-in-Charge including making good disturbed surface. (d) concealing of refrigerant pipe with PVC flexible pipe. (e) Extention of pipe due to site condition if required shall be measured and paid separately under respective items taken before.

Supply and fix in repair metal clad single pole and earth enclosure with two pin and earth plugs and socket complete with one single pole MCB 20 Amps, 230 V, C type complete all as specified and directed. Make of enclosure Legrand/Roma/Jaguar and Make of MCB ABB/LEGRAND/HAVELLS/L & T

Material and labour for maintenance of VRF air conditioner of 20 HP capacity, VRF type unit with replacement of old/unsv spare parts mentioned as under or as per manufacturer instructions including testing on load complete all as specified and directed. Note:- Make of VRF unit is LG(make) therefore spear part provided in the work shall be of make LG contractor may use spare part of other make as approved by the OEM.

Supply & Fix in repair main control PCB of indoor Unit of VRF type AC unit complete all as specified and directed.

Supply & Fix in repair power PCB for out door unit of VRF AC complete all as specified and directed.

Supply & Fix in repair fan card for outdoor unit of VRF AC complete all as specified and directed.

Supply & Fix in repair pump to indoor unit of VRF AC unit complete all as specified and directed.

Supply & Fix in repair hiwall controller to indoor unit of VRF AC complete all as specified and directed.

Supply & Fix in repair motor to indoor unit of VRF AC complete all as specified and directed.

Supply & Fix in repair HP/LP sensor to indoor unit of VRF AC complete all as specified and directed.

Supply & Fix in repair sensors(Liquid, gas temp, room temp,supply temp) to indoor unit of VRF AC complete all as specified and directed.

Supply & Fix in repair Over Voltage PCB to outdoor unit of VRF AC complete all as specified and directed.

Supply & Fix in repair HP Switch to outdoor unit of VRF AC complete all as specified and directed.

Supply & Fix in repair motor to outdoor unit of VRF AC of any capacity complete all as specified and directed.

Supply & Fix in repair sensors (Liquid temp HeX 1&2, Gas temp HeX1&2) of outdoor unit VRF AC of any capacity complete all as specified and directed.

Supply & Fix in repair solenoid valve of outdoor unit of VRF AC of any capacity complete all as specified and directed.

Supply & Fix in repair fan blade of outdoor unit of VRF AC of any capacity complete all as specified and directed.

Supply and charging / topping up refrigerant gas R-410A/R-32 to VRF/Package type AC unit of any capacity complete all as specified and directed.

Supply & Fixing in repair of inverter compressor suitable for 20 HP/TC capacity ( Digital type) VRF type AC unit with base frame & electrical Phase reversal protection comprising following JOB:- (i) Charging of nitrogen Gas in unit & complete system at 300 psi pressure and checking of any dropping of pressure / leakage up to 72 Hrs after replacement of compressor & rectification of leakage if any. (ii) Vaccumisation of complete system for minimum 2 days for dropping of vacuum pressure & rectification of leakage if any. (iii) Charging of complete system with R410 / R407 gas for maintaining the system pressure up to HP - 175 psi & LP - 65 psi. (iv) Measure the inlet and outdoor temperature of package unit. (v) Testing & commissioning of compressor after completion.

Material and labour for servicing/cleaning of water cooler of storage capacity/ nominal cooling capacity(Ltrs/hr) 80/40 & 120/60 litres with the use of antiscaling agent for internal steel water tank ,outer body and condenser coil of water cooler, Removal of dust and other deposited material for the various functional equipment using smooth nylon brush ,cleaning of drainage for speedy water removal and checking of electrical connection to compressor and other electrically operated equipments, cleaning of fins and tubes of condenser,repair/replacement of PUF thermal insulation, checking of refrigerant leakage and functionality of water tap complete all as specified and directed.

M & L for charging of refrigerant R-12/134a gas to water cooler for the following capacities as per existing /manufacturer instrcutions after flushing out the entire refrigerant , vaccum testing of entire closed loop system for 24hrs and charging the unit with specified quantity of gas , as per manufacturer instructions,as mentioned above complete all as specified and directed.

storage capacity 80 ltrs and cooling capacity 40 ltrs

storage capacity 120 ltrs and cooling capacity 60 ltrs

Material and labour for maintenance of water cooler with replacement of old/unsv spare parts as under including testing on load complete all as specified and directed.

S&F in repair Reciprocating type compressor suitable for water cooler type 40/80 litres complete all as specified and directed. Make: Emerson copland/ carrier/ Blue star/Tecumsah

S&F Hermetic type compressor suitable for water cooler type 40/80 litres complete all as specified and directed. Make: Emerson copland/ carrier/ Blue star/Tecumsah

S & F in repair copper coiled condensor suitable for water cooler storage type of 40/80 or 80/120 Litres complete all as specified and directed.

S & F in repair Compressor relay suitable for water cooler storage type of 40/80 or 80/120 Litres complete all as specified and directed. Make: Kilxen/KCL/Electrica

S & F in repair running capacitor 36/45/50/60 + 5/6 mfd suitable for water cooler storage type of 40/80 or 80/120 Litres complete all as specified and directed.

S & F in repair thermostat suitable for water cooler storage type of 40/80 or 80/120 Litres complete all as specified and directed. Make: Indfoss/Renutrol /Rockwell

Material and labour for Leak test with CO2/Nitrogen gas and arresting leakage with brazing of copper pipe complete all as specified and directed.

Dismantling condenser fan motor of capacity 1/7 to 1/5 HP suitable for 40/80 and 80/120 Ltrs water cooler and Supply and fixing in repair of new fan and motor a75 to 90 watt, make and size and refixing in position, connecting and testing on load complete all as specified and directed.

Material and labour for carrying out repair /maintenance/ servicing of Refrigerator of any capacity by periodic cleaning of internal and external parts, cleaning of water collection area and checking of electrical circuit repair/ replacement of unserviceable/worn out spares and accessories to make the Refigerator in good working condition complete all as specified and directed. Note: Defective spares required for replacement shall be measured and paid separately under respective items.

Material and labour for maintenance of Refrigerator any capacity with replacement of old/unsv spare parts as under including testing on load complete all as specified and directed.

S & F in repair condensor suitable for refigerator of 195/ 250/ 300 ltr cap complete all as specified and directed.

S & F in repair cooling effect tranmitting fan motor suitable for Refigerator of 195/ 250 / 300 ltr cap complete all as specified and directed.

S & F in repair timer with timer relay suitable for refigerator of 195/250 / 300 ltr cap complete all as specified and directed.

S & F in repair Compressor Relay suitable for refigerator of 195/250 / 300 ltr cap or as per existing complete all as specified and directed. Make KCL/Rentrol/Indofos

S & F in repair thermostat suitable for refigerator of 195/250 / 300 ltr cap complete all as specified and directed. Make: Indofos/Godrej/Annapurna

S & F in repair capillary with filter suitable for refigerator of 195 250 / 300 ltr cap complete all as specified and directed.

S & F in repair Compressor suitable for refigerator of 250 / 300 ltr cap or as per existing complete all as specified and directed. Make: Godrej / Teccumesh / Voltas / Whirpool / Kirloskar copland

Material and labour for Leak test with CO2/Nitrogen gas and arresting leakage with brazing of copper pipe complete all as specified and directed.

M & L for charging of refrigerant R-134a gas to Refrigerator for the following capacities as per existing /manufacturer instrcutions after flushing out the entire refrigerant, vaccum testing of entire closed loop system for 24hrs and charging the unit with specified quantity of gas, as per manufacturer instructions,as mentioned above complete all as specified and directed.

Refrigerator cap 165 / 195 / 230 / 250 / 300 / 310Ltrs complete all as specified and directed.

Material and labour for carrying out repair /maintenance/ servicing of Deep freezer of any cap of freezer with periodic cleaning of compressor placement area, cleaning of water tub and checking of electrical circuit repair/ replacement of unserviceable/worn out spares and accessories to make the Deep Freezer in good working condition complete all as specified and directed. Note: Defective spares required for replacement shall be measured and paid separately under respective items.

Supply and fix in repair thermostat of suitable capacity as per existing freezer 95/145/188/285 /295 Ltrs complete all as specified and directed.

Supply and fix in repair Compressor relay of suitable capacity for Freezer 95/145/188/285 /295 Ltrs complete all as specified and directed.

Supply and fix in repair condensor motor of suitable capacity for Freezer 95/145/188/285 /295 Ltrs complete all as specified and directed.

Material and labour in repair for Condenser suitable for Deep freezer 95/145/188/285 /295 Ltrs complete all as specified and directed.

Material and labour for Leak test with CO2/Nitrogen gas and arresting leakage with brazing of copper pipe complete all as specified and directed.

M & L for charging of refrigerant R-134a /R-600a gas to deep freezer or as per existing /manufacturer instrcutions after flushing out the entire refrigerant, vaccum testing of entire closed loop system for 24hrs and charging the unit with specified quantity of gas, as per manufacturer instructions,as mentioned above complete all as specified and directed.

Supply and Fix in repair voltage stabilizer for automatic operation, single phase naturally air cooled indoor type and designed for input variation voltage as under and output voltage stabilized at 230Volts with accuracy of ± 2.5% for the following capacity including depositing of old stabilizer at MES store yard complete all as specified and directed.

12 Amp suitable for 1.5 ton air conditioner for input variation between 150V to 290V complete all as specified and directed. Make : V Guard Model No VND 400 digital or equivalent in Microtek/Bluebird

15 Amp suitable for 2.0 ton air conditioner for input variation between 130V to 300V complete all as specified and directed. Make : V Guard Model No VBG 500 or equivalent in Microtek/Bluebird

Comprehensive / Preventive maintenance of Precision type Package Air conditioning with connected indoor and outdoor units of fallowing capacities, maintenece shall be carried out as per manufacturer standard check list and detailed as under all as directed by Engineer-in-Charge. (a) Cleaning the evaporator coil of indoor unit with pressureized water then apply one coat of descaling solution and clean with nylon brush and then testing/ checking of evaporator coil for leakage and rectification of leakage by brazing including. (b) Cleaning of condensing coil of outdoor unit with pressurised water and then testing/ checking of Cooling coil for leakage and rectification of leakage by brazing including.

(c) Testing / Checking and Cleaning of Air filter. (d) Testing / Checking of compressor for its proper functioning and rectification of minor defect if any. (e) Testing / Checking & servicing of blower fan motor and rectification of minor defect if any. (f) Testing / Checking & servicing of condenser fan motor and rectification of minor defect if any. (g) Testing / Checking of control switch such as pressure cut outs, refrigerent flow switch, temprature sensore for proper functiong. (h) Testing / Checking of refrigerant pipe for leakage and Rectification of leakage by brezing including cleaning of refrigerant pipe. (j) Testing / Checking of all electrical connection and control wiring tighting of electrical connection and rectification of minor defect if any complete.

NOTE :- (i) Comprehensive / Preventive maintenance including servicing of Precision type Package AC unit shall be carried out one times during contract period, and shall be measured one times, Contractor shall also be responsible to rectify any defect during break down without any extra cost during contract period. (ii) Charging of gas, if required, shall be measured and paid for separately under appropriate item. However, vacuum and pressure leakage testing with nitrogen (N2), if any required, is deemed to be included under the unit rate quoted by the contractor for this item. (iii) After completion of Comprehensive / Preventive maintenance including servicing of Precision type Package AC unit shall be tested by the contractor all as directed by the Engineer-in-Charge.

Precision type Package Air conditioning unit (Make: Emersion, Model: PEC130 RA/DA with I Com) of Capacity 7.5/8.5 TR complete all as specified and directed.

supply and fix in repair Evaporator centrifugal blower motor with rotor of same size and capacity of Precision type Package Air conditioning complete all as specified and directed.

supply and fix in repair condenser fan motor with blade of same size and capacity of Precision type Package Air conditioning complete all as specified and directed.

supply and fix in repair LP cutout for compressor of Precision type Package Air conditioning complete all as specified and directed.

supply and fix in repair HP cutout for compressor of Precision type Package Air conditioning complete all as specified and directed.

supply and fix in repair microwave filter for compressor of Precision type Package Air conditioning complete all as specified and directed.

supply and fix in repair filter drier for compressor of Precision type Package Air conditioning complete all as specified and directed.

supply only in repair Infrared Humidifier of Precision type Package Air conditioning complete all as specified and directed.

supply and fix in repair Expansion Valve for compressor of precision Air conditioning unit complete all as specified and directed. Make Emersion

supply and fix in repair Air sensor for compressor of precision Air conditioning unit complete all as specified and directed. Make Emersion

supply and fix in repair Main Printed Circuit Board of Precision type Package Air conditioning( Large) of capacity 33000 kcal/Hr unit complete all as specified and directed. Make: BlueStar

Supply and fix in repair Condenser fan motor with blade of Precision type Package Air conditioning of capacity 33000 kcal/Hr unit complete all as specified and directed. Make: BlueStar

Supply & fix in repair hermetically sealed Scroll Compressor with base frame & electric phase reversal protection of capacity 7.5 TR of Precision type Package Air conditioning (Make: Emersion, Model: PEC130 RA/DA with I Com) comprising fallowing job:- (i) Charging of nitrogen gas in unit & complete system at 300 psi pressure and checking of any dropping of pressure/ leakage upto 72 Hrs after replacement of compressor & rectification of leakage if any. (ii) Vaccumisation of complete system for minimum 2 days for dropping of vaccume pressure & rectification of leakage if any. (iii) Charging of complete system with R-407 gas for maitaining the system pressure upto HP-175 psi & LP-65 psi. (iv) Measure the inlet and outlet temperature of package unit. (v) Testing and commisioning of compressor after completion. Make: Godrej/Teccumesh /Emerson copland

Supply, testing and commissionig of emerson PAC condenser complete (outdoor unit) with 3 blower moto suitable for 8.5 TR AC unit having vapour rejection technology voltage 380-420 3 ph 50 Hz as per existing size and make complete all as specified and directed.

Supply and install voltae controller unit of suitable size PAC Emersion Ac plant of capacity 8.5TR, 415 volt, 50Hz complete all as specified and directed.

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