REPAIR AND MAINTENANCE TO CENTRAL AC PALNTS AND PACKAGE AC UNITS AT VARIOUS LOCATIONS IN TECH AREA UNDER GE (AF) JAMNAGAR No 01

Amount

M&L for descaling of complete copper condenser pipe of central AC Plant Air condenser unit, 180 TR ( Twin Circuit) Make : Voltas. circulating suitable descaling compound / solution into the tube with pump, and running the pump continuously till all the scale from tube are removed including removing side covers of condenser and cleaning the copper tubes by means of nylon brushes till the complete scaling is removed and refixing of covers including replacement of rubber gasket and refixing pipe connection etc. all as specified and directed to complete satisfaction of Engineer-in-charge. Note :- (i) The Contractor shall descalinated each AC Plant twice during contract period . (ii) Each descaling shall be counted as one job for the purpose of payment. (iii) The time interval between both descaling will be intimated by Engineer-in-charge as per requirement .

Comprehensive / Preventive maintenance of AHU shall be carried out as per manufacturer standard check list and detailed as under all as directed by Engineer-in-Charge. (a) Testing / Checking & servicing of blower fan motor and rectification of minor defect if any. (b) Testing / Checking of blower fan blade for proper functioning. (c) Cleaning of cooling coil of AHU unit with pressurised water and then testing/ checking of Cooling coil for leakage and rectification of leakage by brazing including. (d) Testing / Checking of all electrical connection and control wiring tighting of electrical connection and rectification of minor defect if any complete. (e) Testing / Checking and Cleaning the moisture drain pipe. (f) Cleaning of entire AHU unit for removing all dirt dust, grease etc Note :- (i) The Contractor shall carry out Comprehensive / Preventive maintenance of each AHU twice during contract period . (ii) Each Comprehensive / Preventive maintenance shall be counted as one job for the purpose of payment. (iii) The time interval between both servicing will be intimated by Engineer -in-charge as per requirement (iv) The complete report wrt. each Comprehensive / Preventive maintenance shall be submitted to Engineer -in-charge before payment.

AHU unit 25 TR, 8000 CFM capacity Make -Zeco Aircon Ltd

AHU unit 15 TR, 5000 CFM capacity, Make -Zeco Aircon Ltd

AHU unit 30 TR, 12000 CFM capacity Make -Zeco Aircon Ltd

AHU unit 51 TR, 14500 CFM capacity Make -Zeco Aircon Ltd

AHU unit 12 TR, 4500 CFM capacity Make -Zeco Aircon Ltd

AHU unit 13 TR, 5500 CFM capacity Make -Zeco Aircon Ltd

AHU unit 60 TR, 27000 CFM capacity Make -Zeco Aircon Ltd

AHU unit 17.5 TR, 8500 CFM capacity Make -Citizen Industries Ltd

AHU unit 8.75 TR, 4000 CFM capacity Make -Citizen Industries Ltd

Comprehensive / Preventive maintenance of CSU (ceiling Suspended unit) of capacity 3 TR, 1200 CFM shall be carried out as per manufacturer standard check list and all as directed by Engineer-in-Charge. (a) Testing / Checking & servicing of blower fan motor and rectification of minor defect if any. (b) Testing / Checking of blower fan blade for proper functioning. (c) Cleaning of cooling coil of CSU unit with pressurised water and then testing/ checking of Cooling coil for leakage and rectification of leakage by brazing including. (d) Testing / Checking of all electrical connection and control wiring tighting of electrical connection and rectification of minor defect if any complete. (e) Cleaning of water tank inside the CSU (f) Testing / Checking & servicing of pump and rectification of minor defect if any. (g) Testing / Checking leakage from CSU body and rectification of leakage if any. (h) Testing / Checking and Cleaning the moisture drain pipe. (j) Cleaning of entire CHU unit for removing all dirt dust, grease etc (Note :- (i) The Contractor shall carry out Comprehensive / Preventive maintenance of each CSU twice during contract period . (ii) Each Comprehensive / Preventive maintenance shall be counted as one job for the purpose of payment. (iii) The time interval between both servicing will be intimated by Engineer -in-charge as per requirement (iv) The complete report wrt. each Comprehensive / Preventive maintenance shall be submitted to Engineer -in-charge before payment.)

Comprehensive / Preventive maintenance of Hot water generator shall be carried out as per manufacturer standard check list and detailed as under all as directed by Engineer-in-Charge. (a) Testing / Checking of electrical resistance immersion type heater and rectification of minor defect if any. (b) Testing / Checking of all electrical connection and control wiring tighting of electrical connection and rectification of minor defect if any complete. (c) Testing / Checking of seamless copper tube flanged ends and rectification of minor defect if any. (d) Testing / checking of serviceability of Thermostat and rectification of minor defect if any. (e) Cleaning of entire unit for removing all dirt dust, grease etc (Note :- (i) The Contractor shall carry out Comprehensive / Preventive maintenance of each Hot water generator twice during contract period . (ii) Each Comprehensive / Preventive maintenance shall be counted as one job for the purpose of payment. (iii) The time interval between both servicing will be intimated by Engineer -in-charge as per requirement (iv) The complete report wrt. each Comprehensive / Preventive maintenance shall be submitted to Engineer -in-charge before payment.)

HWG unit 90 KW capacity Make -Rapidcool

HWG unit 45 KW capacity Make -Rapidcool

HWG unit 30 KW capacity Make -Rapidcool

Comprehensive / Preventive maintenance of industrial dehumidifier shall be carried out as per manufacturer standard check list and detailed as under all as directed by Engineer-in-Charge. (a) Testing / Checking of "Ecordy" desicant honeycomb rotor/bed mounted on a horizontal fixed shaft arrangement and rectification of minor defect if any. (b) Testing / Checking of all electrical connection and control wiring tighting of electrical connection and rectification of minor defect if any complete. (c) Cleaning of inlet pre filter EU-4 synthetic non woven media filter with pressurised water. (d) Testing / checking of serviceability of Thermostat and rectification of minor defect if any. (f) Testing / Checking of Electrical heater bank or steam coil with electric heater for steam reactivation and rectification of minor defect if any complete. (g) Testing / Checking of Regeneration fan ang regeneration fan motor and rectification of minor defect if any complete. (e) Cleaning of entire unit for removing all dirt dust, grease etc Hot water generator. (Note :- (i) The Contractor shall carry out Comprehensive / Preventive maintenance of each dehumidifier twice during contract period . (ii) Each Comprehensive / Preventive maintenance shall be counted as one job for the purpose of payment. (iii) The time interval between both servicing will be intimated by Engineer -in-charge as per requirement (iv) The complete report wrt. each Comprehensive / Preventive maintenance shall be submitted to Engineer -in-charge before payment.)

Dehumifier unit 3000 CMH capacity, Make- Bry Air

Dehumifier unit 2500 CMH capacity, Make- Bry Air

Material & labour for charging of refrigerant R-134A gas to Air cooled central AC plant 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.

Supply, filling and testing in repair of pressure sand media filter of capacity 3 cum/hr complete all as specified and directed by Engr-in-charge.

Supply, filling and testing in repair of Activated Carbon filter of capacity 3 cum/hr complete all as specified and directed by Engr-in-charge.

Supply, filling and testing in repair of Water softener filter (Cation Exchange) with all necessary equipment of capacity 3 cum/hr complete all as specified and directed by Engr-in-charge.

Supply, filling and testing in repair of polypropylene head chlorine dosing pump having 1 Litre/hr and maximum injection pressure of 5.5 kg/Sq.cm complete all as specified and directed by Engr-in-charge.

Supply, filling and testing in repair of 40x40 RO membrane of capacity 1 Micron, Max operating pressure at 300 PSI complete all as specified and directed by Engr-in-charge. Make : PENTAIR, Model No 40L30N

Supply, filling and testing of multi plot valve mounted at polyglass pressure vessel to control the direction of flow complete all as specified and directed by Engr-in-charge.

M&L for descaling of complete copper condenser pipe of central AC Plant Air condenser unit, (34 TR) Make : Bluestar. circulating suitable descaling compound / solution in--to the tube with pump, and running the pump continuously till all the scale from tube are removed including removing side covers of condenser and cleaning the copper tubes by means of nylon brushes till the complete scaling is removed and refixing of covers including replacement of rubber gasket and refixing pipe connection etc, complete all as specified and directed to complete satisfaction of Engineer-in-charge.. Note :- (i) The Contractor shall descalinated each AC Plant twice during contract period . (ii) Each descaling shall be counted as one job for the purpose of payment. (iii) The time interval between both descaling will be intimated by Engineer-in-charge as per requirement .

M&L for descaling of complete copper condenser pipe of central AC Plant Air condenser unit, (22 TR) Make : Bluestar. circulating suitable descaling compound / solution in--to the tube with pump, and running the pump continuously till all the scale from tube are removed including removing side covers of condenser and cleaning the copper tubes by means of nylon brushes till the complete scaling is removed and refixing of covers including replacement of rubber gasket and refixing pipe connection etc, complete all as specified and directed to complete satisfaction of Engineer-in-charge.. Note :- (i) The Contractor shall descalinated each AC Plant twice during contract period . (ii) Each descaling shall be counted as one job for the purpose of payment. (iii) The time interval between both descaling will be intimated by Engineer-in-charge as per requirement .

M&L for descaling of complete copper condenser pipe of water cooled central AC plants (30 TR) capacities by circulating suitable descaling compound / solution into the tube with pump, and running the pump continuously till all the scale from tube are removed including removing side covers of condenser and cleaning the copper tubes by means of nylon brushes till the complete scaling is removed and refixing of covers including replacement of rubber gasket and refixing pipe connection etc. all as specified and directed to complete satisfaction of Engineer-in-charge. Note :- (i) The Contractor shall descalinated each AC Plant twice during contract period . (ii) Each descaling shall be counted as one job for the purpose of payment. (iii) The time interval between both descaling will be intimated by Engineer-in-charge as per requirement .

Supply and fix in repair 'V' belts of size A-24 of blower motor of AC plant any type all as directed by the Engineer-in-Charge. Make : Fenner / Dunlop / JK.

Supply and fix in repair 'V' belts of size A-34/38 of AHU motor of AC plant any type all as directed by the Engineer-in-Charge. Make : Fenner / Dunlop / JK.

Supply and fix in repair 'V' belts of size B-56 of AHU motor of AC plant any type all as directed by the Engineer-in-Charge. Make : Fenner / Dunlop / JK.

Supply and fix in repair 'V' belts of size B-100/112 of AHU motor of AC plant any type all as directed by the Engineer-in-Charge. Make : Fenner / Dunlop / JK.

Supply and fixing in repair Oil/HP/LP pressure sensor Probe suitable for reciprocating Chiller unit of 30 TR central AC plant all as directed by the Engineer-in-Charge. Make:- Voltas Model : 09066 or equivalent make approved by The GE.

Supply and fix in repair water differential pressure cut out switch MP-55 for compressor of central type AC plant of any capacity all as directed by the Engineer-in-Charge. Make : INDFOSS / DANFOSS/ HONEYWELL.

Supply and fix in repair Single phase preventer relay for precision Air condition unit Make :- Minilec , Model No :- S2 VMR 6 or equivalent of make L&T / BCH /ABB/ C&S/Legrand/SIEMENS

S&F in repair compressor over load protection type 3RP15761NP30 , starting time range 3-60 sec rated voltage :- 200-240V, 50HZ including connecting complete. Make:- L&T / BCH /ABB/ C&S/Legrand/SIEMENS

S&F in repair Blower timer type Micron Electronic Timer , including connecting complete. Make:- SIEMENS - Cat No :- 20SDTO or L&T / BCH /ABB/ C&S/Legrand

S&F in repair Blower over load protection type MN-2 SS01212 , rated voltage :- 200-500V, 50HZ, 2A ,AC-15, Maximum fuse 6A including connecting complete. Make:- L&T / BCH /ABB/ C&S/Legrand/SIEMENS

M&L for taking out blower fan motor of capacity 25 HP from central type AC plant of capacity 60 TR, opening the motor, cutting & removing old and burnt winding wire, rewinding the motor with new super enameled copper winding wire of suitable size including insulating materials, varnishing, drying, replacement of both driven end non driven end bearings and base plate, reassembling, refixing in same position & connecting including testing and commissioning complete all as specified & directed

M&L for taking out compressor Motor 30 KW/40 HP cap (Voltas central AC plant of capacity 30 TR), Dismantling the motor with disconnecting the same from the compressor and remove rubber coupling and its connected accessories and transporting to reputed work shop for rewinding . opening the motor, cutting & removing old and burnt winding wire, rewinding the motor with new super enameled copper winding of suitable size including insulating materials, varnishing, drying, replacement of both driven end non driven end bearings and base plate, reassembling, refixing in same position & connecting including testing and commissioning complete all as specified & directed

Supply and laying PPRC pipe of size 100 mm bore with fittings include for jointing and jointing materials fixed complete to walls, ceilings or in floors etc.complete all as specified and directed by Engg –in-charge.

Comprehensive / Preventive maintenance including servicing of 9.01 KW capacity VRF based air conditioning system with connected indoor and outdoor units detail as under installed under GE(AF) Jamnagar for complete contract period detail as under all as specified and directed by Engr-in-charge. Out door unit 12 TR capacity VRF unit of Make -Daikin, Model No - RXYQ12TRY69 with following Indoor unit :- Make Daikin (a) Model no - FXAQ40PVE6, Sr No- E000894 (b) Model no - FXAQ40PVE6, Sr No- E000895 (c) Model no - FXAQ40PVE6, Sr No- E000891 (d) Model no - FXAQ40PVE6, Sr No- E000900 (e) Model no - FXAQ40PVE6, Sr No- E000828 (f) Model no - FXAQ40PVE6, Sr No- E000835 (g) Model no - FXAQ40PVE6, Sr No- E000888 (h) Model no - FXAQ40PVE6, Sr No- E000893 (j) Model no - FXAQ40PVE6, Sr No- E000838 (k) Model no - FXAQ32PVE6, Sr No- E000838

Note for item No 01:- Comprehensive / Preventive maintenance of VRF based air conditioning shall be carried out as per manufacturer standard check list and detailed as under all as directed by Engineer-in-Charge. (a) Testing / Checking of compressor for its proper functioning and rectification of minor defect if any. (b) Testing / Checking of control switch such as pressure cut outs, water flow switch, temprature sensore for proper functiong. (c) Testing / Checking of PCBs of the Indoor unit & Outdoor unit for its proper functioning and rectification of minor defects if any. (e) Testing / Checking of Cooling coil for leakage and Rectification of leakage by brazing including cleaning of Cooling coil. (f) Testing / Checking & servicing of blower fan motor and rectification of minor defect if any. (g) Testing / Checking of all electrical connection and control wiring tighting of electrical connection and rectification of minor defect if any complete. (h) Testing / Checking & servicing of condenser fan motor and rectification of minor defect if any. (j) Testing / Checking of condenser coil for leakage and Rectification of leakage by brezing including cleaning of condenser coil. (k) Testing / Checking of refrigerant pipe for leakage and Rectification of leakage by brezing including cleaning of refrigerant pipe. (l) Cleaning of entire indoor & outdoor unit for removing all dirt dust, grease etc

Note for item No 01 :- Note :- (i) The Contractor shall carry out Comprehensive / Preventive maintenance of each VRF twice during contract period . (ii) Each Comprehensive / Preventive maintenance shall be counted as one job for the purpose of payment. (iii) The time interval between both servicing will be intimated by Engineer -in-charge as per requirement (iv) The complete report wrt. each Comprehensive / Preventive maintenance shall be submitted to Engineer -in-charge before payment. (v) The Contractor shall also be resposible to rectify any defect during break down without any cost during contract period. (vi) All defective speare parts & compressor etc if found unserviceable will be measured & paid separately as supply & fix in repair under respective items of This BOQ,. (vii) Topping of refrigerant gas will be measured & paid separately. (viii) The rates quoted by the tenderer shall be deemed to include for any minor repair, which are obviously and fairly, intended which may not have been included in these documents, but which are essential for the execution and entire completion of works. The decision of GE as to what constitutes Minor details of the construction’ shall be final and binding. (ix) Comprehensive / Preventive maintenance including servicing of VRF unit, & repairing the VRF unit during breakdown / emergency shall be carried out through authorised representative of OEM. Contractor shall submit necessary documentary proof in support of the same.

All as per Item No 29.00 above 9.01 KW capacity VRF unit of Make Daikin, Model no - RXYQ12TRY69 with following indoor unit. Indoor unit :- Make Daikin (a) Model no - FXAQ50PVE6, Sr No - E001464 (b) Model no - FXAQ50PVE6, Sr No - E001486 (c) Model no - FXAQ32PVE6, Sr No - E000541 (d) Model no - FXAQ32PVE6, Sr No - E000492 (e) Model no - FXAQ32PVE6, Sr No - E000537

All as per Item No 29.00 above here in before but 9.01 KW capacity VRF unit of Make Daikin, Model no - RXYQ12TRY69 with following indoor unit. Indoor unit :- Make Daikin (a) Model no - FXAQ40PVE6, Sr No - E000829 (b) Model no - FXAQ40PVE6, Sr No - E006896 (c) Model no - FXAQ63PVE6, Sr No - E001874 (d) Model no - FXAQ32PVE6, Sr No - E000544

All as per Item No 29.00 above here in before but 7.29 KW capacity VRF unit of Make Daikin, Model No - RXYQ10TRY69 with following indoor unit. Indoor unit :- Make Daikin (a) Model no - FXAQ50PVE6, Sr No - E001482 (b) Model no - FXAQ50PVE6, Sr No - E001607 (c) Model no - FXAQ50PVE6, Sr No - E001466 (d) Model no - FXAQ63PVE6, Sr No - E001875

All as per Item No 29.00 above here in before but 7.29 KW capacity VRF unit of Make Daikin, Model no - RXYQ10TRY69 with following indoor unit. Indoor unit :- Make Daikin (a) Model no - FXAQ40PVE6, Sr No - E000899 (b) Model no - FXAQ40PVE6, Sr No - E004325 (c) Model no - FXAQ40PVE6, Sr No - E004343 (d) Model no - FXAQ63PVE6, Sr No - E001785 (e) Model no - FXAQ63PVE6, Sr No - E001904

All as per Item No 29.00 above here in before but 7.29 KW capacity VRF unit of Make Daikin, Model no - RXYQ10TRY69 with following indoor unit. Indoor unit :- Make Daikin (a) Model no - FXAQ50PVE6, Sr No - E001599 (b) Model no - FXAQ50PVE6, Sr No - E001603 (c) Model no - FXAQ63PVE6, Sr No - E001779 (d) Model no - FXAQ63PVE6, Sr No - E001756 (e) Model no - FXAQ63PVE6, Sr No - E001764

All as per Item No 29.00 above here in before but 7.29 KW capacity VRF unit of Make Daikin, Model no - RXYQ10TRY69 with following indoor unit. Indoor unit :- Make Daikin (a) Model no - FXAQ63PVE6, Sr No - E001875 (b) Model no - FXAQ50PVE6, Sr No - E001482 (c) Model no - FXAQ50PVE6, Sr No - E001607 (d) Model no - FXAQ50PVE6, Sr No - E001466

All as per Item No 29.00 above here in before but 50 KW capacity VRV unit of Make Hitachi, Model no - RAS18FSXNK, Sr. No. 190G06595 with following indoor unit. Indoor unit :- Cap-4.1 TR, Make Hitachi (a) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT251015 (b) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT291016 (c) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT25100W (d) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT25100V

All as per Item No 29.00 above here in before but 50 KW capacity VRV unit of Make Hitachi, Model no - RAS18FSXNK, Sr. No. 190C49566 with following indoor unit. Indoor unit :- Cap-4.1 TR, Make Hitachi (a) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT391054 (b) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT391057 (c) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT291014 (d) Model no - RCL-5.0 FSKDNQ, Sr No - QCK7PT391056

Supply & Fixing in repair of inverter compressor suitable for 9.01 KW capacity VRF type AC unit (Make Daikin, Model no - RXYQ12TRY69) 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.

Supply & Fixing in repair of inverter compressor suitable for 9.01 KW capacity VRF type AC unit (Make Daikin, Model no - RXYQ10TRY69) 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 maintenance of VRF air conditioner of 9.01/ 7.29 KW 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 as directed by Engr-in-charge Note:- (Make of VRF unit is Blue star & Daikin therefore spear part provided in the work shall be of make Blue star / Daikin, contractor may use spare part of other make as approved by the OEM.)

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

Supply & fixing in repair power PCB for indoor unit of VRF AC complete all as specified and as directed.

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

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

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

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

Supply & fixing in repair SMPS Board to indoor unit of VRF AC complete all as specified and as directed.

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

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

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

Supply & fixing in repair main power PCB of outdoor unit of VRF AC of any capacity complete all as specified and as directed.

Supply & fixing in repair master controller PCB of outdoor unit VRF AC of any capacity complete all as specified and as directed.

Supply & fixing in repair capacitor board of outdoor unit VRF AC of any capacity complete all as specified and as directed.

Supply & fixing in repair noise filter board of outdoor unit VRF AC of any capacity complete all as specified and as directed.

Supply & fixing 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 as directed.

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

Supply & fixing in repair Fan Blade of outdoor unit of VRF AC of any capacity complete all as specified and as directed.

Comprehensive / Preventive maintenance of Package Air conditioning 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 functioning. (h) Testing / Checking of refrigerant pipe for leakage and Rectification of leakage by brazing 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) The Contractor shall carry out Comprehensive / Preventive maintenance of each Package Air conditioning twice during contract period . (ii) Each Comprehensive / Preventive maintenance shall be counted as one job for the purpose of payment. (iii) The time interval between both servicing will be intimated by Engineer -in-charge as per requirement (iv) The complete report wrt. each Comprehensive / Preventive maintenance shall be submitted to Engineer -in-charge before payment. (v) The Contractor shall also be resposible to rectify any defect during break down without any cost during contract period. (vi) 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. (vii) 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.

Package Air conditioning unit (Make: Voltas, Model: (DCUSC875DG) of Capacity 8.75 TR

Package Air conditioning unit (Make: GEA, Model: OCRA32-b) of Capacity 8.5 TR

Package Air conditioning unit (Make: Emerson, Model: PEX-135 EC I-COM) of Capacity 10 TR

Package Air conditioning unit (Make: Bluestar, Model: DPA2163R3-I) of Capacity 18 TR

S&F in repair 4 pole power contactor 18 A, 415 V, coil voltage 230 V including connecting complete all as specified and as directed. Make:- L&T type MCX 01 or equivalent of make SIEMENS /BCH/ABB/ C&S/Legrand

S&F in repair 3 pole power contactor 25 A, 415 V, coil voltage 24 V including connecting complete all as specified and as directed. Make:- L&T type MNX 25 or equivalent of make SIEMENS /BCH/ABB/ C&S/Legrand

S&F in repair 3 pole power contactor 32 A, 415 V, coil voltage 230 V including connecting complete all as specified and as directed. Make:- L&T type MNX 32 or equivalent of make SIEMENS /BCH/ABB/ C&S/Legrand

M&L for taking out blower fan motor of capacity 7.5 HP from package type AC plant of capacity 17.5 TR, opening the motor, cutting & removing old and burnt winding wire, rewinding the motor with new super enameled copper winding wire of suitable size including insulating materials, varnishing, drying, replacement of both driven end non driven end bearings and base plate, reassembling, refixing in same position & connecting including testing and commissioning complete all as specified & as directed.

Supply and fix in repair HP cutout for compressor of precision Air conditioning unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair LP cutout for compressor of precision Air conditioning unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Microvave filter for compressor of precision Air conditioning unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Expansion Valve for compressor of precision Air conditioning unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Air sensor for compressor of precision Air conditioning unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Evaporator fan motar with blade for compressor of precision Air conditioning unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Filter drier for compressor of precision Air conditioning unit all as specified and directed by Engg -in-charge. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Infrared Humidifier of Precision type Package Air conditioning of capacity 10 TR complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Micro-processing Controller (I Com) of Precision type Package Air conditioning of capacity 7.5/10 TR unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and fix in repair Printed Circuit Board of Precision type Package Air conditioning of capacity 33000 kcal/Hr unit complete all as specified and as directed. Make: Emersion or equivalent make approved by GE.

Supply and toping up refrigerant gas R-22 to the central / package AC plant of any capacity system complete all as specified and as directed.

Supply and toping up refrigerant gas R-410 A to the central / package AC plant of any capacity system complete all as specified and as directed.

Supply and toping up refrigerant gas R-407 C to the central / package AC plant of any capacity systemcomplete all as specified and as directed.

Supply, laying, jointing and testing XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip, heavy duty, LT underground cable ISI marked with aluminium multistranded conductor 1100 volt grade of size 185 Sqmm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting complete all as specified and as directed.( Mian LT panel to B4Abldg Lt Panel for CSU) (Note :-(i) Sand cushioning, cable protection, GI protection pipe, clamps, jointing kits and excavation & earth work shall be measured & paid for separately. (ii) Road cutting/floor cutting /cutting holes etc in walls required for laying/fixing of cable etc shall be made good as per existing. Nothing extra shall be admissible on this account. Quoted rates shall be inclusive of the above provisions.)

Supply, laying, jointing and testing XLPE insulated, PVC inner sheathed, armoured with galvanised steel strip, heavy duty, LT underground cable ISI marked with aluminium multistranded conductor 1100 volt grade of size 300 Sqmm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting complete all as specified and as directed.( AC Panel to Chiller Unit) (Note :-(i) Sand cushioning, cable protection, GI protection pipe, clamps, jointing kits and excavation & earth work shall be measured & paid for separately. (ii) Road cutting/floor cutting /cutting holes etc in walls required for laying/fixing of cable etc shall be made good as per existing. Nothing extra shall be admissible on this account. Quoted rates shall be inclusive of the above provisions.)

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5mtr in depth for Laying of under ground cables in soft/loose soil and getting out all as directed.

Returning filling in soft/ loose soil incl spreading, levelling, watering, and well ramming in layers complete all as specified and as directed.

Removing excavated soil to a distance n.exc 50 m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed. .

M & L for sand filling in trenches for cable cushioning with clean dry fine sand, including gently punning around cable complete all a specified and directed. (NOTE : Only punned thickness of sand will be measured and paid.)

Taking out old PCC cable cover of any type / any size from trenches all as specified and directed.

Supply & lay ISI marked & conforming to IS - 5820 - 1970 unreinforced precast concrete cable cover Class LV, flat size 250 mm X 150 mm X 40 mm in trenches as protection to LT UG cable all as specified and directed.

Laying only serviceable PCC cable cover for LT UG cable of any description retrieved from item No 70 complete all as specified and as directed. .

Chamunda Kruparefrigeration

SURESH ELECTRICALS