REPAIR AND MAINTENANCE OF REFRIGERATOR, WATER COOLER, WATER DISPENSER, VOLTAGE STABILIZER AND CONNECTED WORKS UNDER GE (AF) JAMNAGAR NO.1.

Amount

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 as directed by Engr-in-charge

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 as directed by Engr-in-charge

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 as directed by Engr-in-charge

S&F in repair Reciprocating type compressor suitable for water cooler type 40/80 litres Make: Emerson copland/ carrier/ Blue star/Tecumsah

S&F in repair Hermetic type compressor suitable for water cooler type 40/80 litres 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

S & F in repair Compressor relay suitable for water cooler storage type of 40/80 or 80/120 Litres 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

S & F in repair thermostat suitable for water cooler storage type of 40/80 or 80/120 Litres 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.

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 as directed by Engr-in-charge. Make: AUE/ GE Motors/ ABB

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 by Engineer-in-Charge. 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 as directed by Engr-in-charge

S & F in repair condensor suitable for Refigerator of 195/ 250/ 300 ltr cap

S & F in repair cooling effect tranmitting fan motor suitable for Refigerator of 195/ 250 / 300 ltr cap

S & F in repair timer with timer relay suitable for Refigerator of 195/250 / 300 ltr cap

S & F in repair Compressor Relay suitable for Refigerator of 195/250 / 300 ltr cap or as per existing Make KCL/Rentrol/Indofos

S & F in repair thermostat suitable for Refigerator of 195/250 / 300 ltr cap Make: Indofos/Godrej/Annapurna

S & F in repair capillary with filter suitable for Refigerator of 195 250 / 300 ltr cap

S & F in repair Compressor suitable for Refigerator of 250 / 300 ltr cap or as per existing 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.

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 as directed by Engr-in-charge

Refrigerator cap 165/195 Ltrs

Refrigerator cap 230/250 Ltrs

Refrigerator cap 300/310 Ltrs

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 by Engineer-in-Charge. 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

Supply and fix in repair Compressor relay of suitable capacity for Freezer 95/145/188/285 /295 Ltrs

Supply and fix in repair condensor motor of suitable capacity for Freezer 95/145/188/285 /295 Ltrs

Material and labour in repair for Condenser suitable for Deep freezer 95/145/188/285 /295 Ltrs

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

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 as directed by Engr-in-charge

Material and labour for servicing/cleaning of water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr of any make, 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 as directed by Engr-in-charge

M & L for charging of refrigerant R-12/134a gas to water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr of any make 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 as directed by Engr-in-charge

Material and labour for maintenance of water dispenser with replacement of old/unsv spare parts as under including testing on load complete all as specified and as directed by Engr-in-charge

Supply and fix in repair compressor, single phase, 230 V suitable for water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr of any make.

S&F in repairs Copper Condenser coil suitable for water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr along with necessary electrical connections etc. all as specified and directed by Engineer-in-charge.

S & F in repairs Compressor relay suitable for water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr. Make :- as per recommendation of OEM and approved by the GE.

S & F in repairs running capacitor suitable for water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr. Make :- as per recommendation of OEM and approved by the GE.

S & F in repairs thermostat suitable for water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr. Make :- as per recommendation of OEM and approved by the GE.

S & F in repairs heating element with tank for water dispenser of cooling capacity 2.5 ltr/hr and heating capacity 5.0 ltr/hr. Make :- as per recommendation of OEM and approved by the GE.

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

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 by Engr-in-Charge.

12 Amp suitable for 1.5 ton air conditioner for input variation between 150V to 290V 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 Make : V Guard Model No VBG 500 or equivalent in Microtek/Bluebird

Supply and fix in repair three pole connector suitable for voltage stabilizer 4KVA/5KVA Capacity. Make :- as per recommendation of OEM and approved by the GE.

Supply & fix in repair circuit relay 4 pin/ 5pin Suitable for voltage stabilizer 4KVA/ 5 KVA capacity. Make :- as per recommendation of OEM and approved by the GE.

Comprehensive / Preventive maintenance of Precision type Package Air conditioning with connected indoor and outdoor units of following 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: PEC113 RA/DA with I Com) of Capacity 3.0 TR

Precision type Package Air conditioning unit (Make: Emersion, Model: PEC120 RA/DA with I Com) of Capacity 5.0 TR

Precision type Package Air conditioning unit (Make: Emersion, Model: PEC130 RA/DA with I Com) of Capacity 7.5 TR

Material & labour for charging of refrigerant R-407C gas to Precision type Package Air conditioning after flushing the complete system, vacuum testing up to 24 hours and the repairing the leaking tube / lines by brazing, including charging the unit with appropriate qty of gas as per manufacture's instruction complete all as directed by Engineer-In-Charge.

Material and labour for maintenance of Precision type Package Air conditioning with replacement of old/unsv spare parts as under including testing on load complete all as specified and as directed by Engr-in-charge

Supply and fix in repair Evaporator centrifugal fan motor with blade of Precision type Package Air conditioning of capacity 3.0/5.0/7.5 TR.

Supply and fix in repair condenser fan motor of Precision type Package Air conditioning capacity 3.0/5.0/7.5 TR.

Supply and fix in repair LP cutout for compressor of Precision type Package Air conditioning capacity 3.0/5.0/7.5 TR.

Supply and fix in repair HP cutout for compressor of Precision type Package Air conditioning capacity 3.0/5.0/7.5 TR.

Supply and fix in repair microwave filter for compressor of Precision type Package Air conditioning capacity 3.0/5.0/7.5 TR.

Supply and fix in repair filter drier for compressor of Precision type Package Air conditioning capacity 3.0/5.0/7.5 TR.

Supply and fix in repair thermal expansion valve for compressor of Precision type Package Air conditioning capacity 3.0/5.0/7.5 TR.

Supply and fix in repair Micro-processing Controller (I Com) of Precision type Package Air conditioning of capacity 3.0/5.0/7.5 TR.

Supply and fix in repair Infrared Humidifier of Precision type Package Air conditioning of capacity 3.0/5.0/7.5 TR.

Supply and fix in repair Condenser coil (Model: LS60) Assembly of Precision type package AC of capacity 7.5 TR. (Make: Emersion, Model: PEC130 RA/DA with I Com)

Supply and fix in repair hermetically sealed Scroll Compressor with base frame & electric phase reversal protection of capacity 3.0 TR of Precision type Package Air conditioning (Make: Emersion, Model: PEC113 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 and fix in repair hermetically sealed Scroll Compressor with base frame & electric phase reversal protection of capacity 5.0 TR of Precision type Package Air conditioning (Make: Emersion, Model: PEC120 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 and 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

Chamunda Kruparefrigeration

SURESH ELECTRICALS