87731 REPAIR/MAINTENANCE TO PACKAGE AND DUCTABLE TYPE AIR CONDITION PLANT OF VARIOUS CAPACITY UNDER GE (M) ARAKKONAM

SCHEDULE 'A'

Material and labour for Servicing and cleaning of condenser coil unit of Package type AC Plant by cleaning chemical and flushing with plain water by pressure pump for removing complete trace of soda from the coil and fix in original position including testing all as specified and directed for the condenser coil unit of following capacity Package type AC plants. (Note: Servicing and cleaning shall be done once in 3 months)

Servicing of 5.5 TR Package type AC

Servicing of 8 / 8.5 TR Package type AC

Servicing of 11 TR Package type AC

Material and labour for Servicing and cleaning of Cooling coil unit, AHU and Duct unit (supply air and return air) ,removing, any obstruction for AIR flow by air blower etc, and taking out all unwanted materials including cleaning of Micro filter all as specified and directed for the following capacity Package type AC plants. (Note: Servicing and cleaning shall be done once in 3 months)

Servicing of 5.5 TR Package type AC

Servicing of 8 / 8.5 TR Package type AC

Servicing of 11 TR Package type AC

Servicing of 17 TR Package type AC

Servicing of 22 TR Package type AC

S&F in replacement washable Air filter of 5 Microns for the following size suitable for ductable package type AC plants all as specified & directed.

Air filter of size 1.8" x 1.8"

Air filter of size 1.6" x 1.10"

Air filter of size 2.5" x 1.6"

Air filter of size 2' x 2'

Air filter of size 1.6" x 7'

Air filter of size 1' x 4'

S&F for renewal of damaged insulation of refrigeration pipe line system of various unit with 6mm thick nitrol foam all as specified and directed.

S&F in replacement for dismantling unserviceable / worntout "V" belts any type / model , supply fix new "V" Belt of following specification and testing all as specified and directed.

V- Belt of size A-22

V- Belt of size A-26

V- Belt of size A-30

V- Belt of size A-32

V- Belt of size A-36

S&F in replacement Filter Drier/Strainer suitable for Package type AC Plant for the following size liquid line including taking down old unserviceable one all as directed.

Filter Drier/Strainer for Liquid line of size 3/8 "

Filter Drier/Strainer for Liquid line of size 1/2 "

Filter Drier/Strainer for Liquid line of size 5/8 "

S&F in replacement Expansion Valve suitable for the following compressor capacity of Package type AC unit including taking down old unserviceable one all as directed.

Expansion Valve for compressor capacity 5.5 TR Package type AC

Expansion Valve for compressor capacity 8 / 8.5 TR Package type AC

Expansion Valve for compressor capacity 11 TR Package type AC

S&F in replacement Ammeter digital type (Three digit)with suitable CTs 5A Class I all as specified and directed.

S&F in replacement Aluminium Lugs suitable for wire of following size all as specified and directed.

Aluminium Lugs suitable for wire upto 16 Sqmm

Aluminium Lugs suitable for wire 25 Sq mm to 50 sq mm

Aluminium Lugs suitable for wire 70 Sq mm to 95 sq mm

S&F in replacement Copper Lugs suitable for wire of following size all as specified and directed.

Copper Lugs for Single core 10 sq mm to 16 sq mm

Copper Lugs for Single core 4 sq mm to 6 sq mm

S&F layed in replacement Single core PVC insulated (unsheathed) multi strand flexible Copper conductor FRLS cable of following size 1100Volts grade all as specified and directed.

Copper conductor Single core 25 sq mm to 35 sq mm

Copper conductor Single core 10 sq mm to 16 sq mm

Copper conductor Single core 4 sq mm to 16 sq mm

S&F in replacement Power Contactor of following capacity:-

Power contactor 40A 3 Pole 415 Volt

Power contactor 32A 3 Pole 415 Volt

Power contactor 25A 3 Pole 415 Volt

Power contactor 18A 3 Pole 415 Volt

S&F in replacement Power Contactor with NC & NO along with overload relay and timer of following capacity:-

Power contactor 40A 3 Pole 415 Volt

Power contactor 32A 3 Pole 415 Volt

Power contactor 25A 3 Pole 415 Volt

Power contactor 18A 3 Pole 415 Volt

S&F in replacement Condenser Fan Blade with complete assembly suitable for the following capacity compressor outdoor unit of package AC all as specified & directed.

5.5 TR Package type AC

8 / 8.5 TR Package type AC

11 TR Package type AC

M&L for taking down Condenser fan motor of following capacity from outdoor unit from original location for overhauling service (ie greasing, oiling and varnishing to the starter winding and replace the worn out bearing, painting with two coats of synthetic enamel paint) and refixing to the original locaction including testing complete all as specified and directed.

370 W, 900 to 930 RPM, Three Phase, 440 V, 50 Hz

190 W to 370 W, 900 to 930 RPM, Single phase 230 V, 50 Hz

M&L for taking down the unserviceable Condenser fan motor and dismantling including taking out damaged/burnt out winding from motor, cleaning the slots with CTC and rewinding the same with new super enamelled copper winding wire of existing gauge and turns, oiling and greasing, assembling and installing back into position and testing for satisfactory running complete for the following capacities

370 W, 900 to 930 RPM, Three Phase, 440 V, 50 Hz

190 W to 370 W, 900 to 930 RPM, Single phase 230 V, 50 Hz

Taking out existing old defective condenser fan motor and supply and fixing new Condenser fan motor of the following capacity from outdoor unit from original location including testing complete all as specified and as directed.

370 W, 900 to 930 RPM, Three Phase, 440 V, 50 Hz

190 W to 370 W, 900 to 930 RPM, Single phase 230 V, 50 Hz

M&L to carry out the leak test on complete refrigeration system (indoor & Out door unit) by charging the dry nitrogen gas & hold up to 24 hrs and rectifying the leakage by bracing / welding / replacing the worn out parts of refrigerant line etc including vacuumising complete system of Package Type ductable Air-conditioning plant with double stage vacuum pump of upto 29 inches of mercury pressure after repairs / replacement of compressor or Repair in Refrigeration System, including labour cost for charging the refrigerant Gas for following capacity compressor circuit of Package AC all as specified & directed. Note :- (i) New Refrigerant gas shall be measured and paid separately as supply only under relavant items. However the T&P and labour charge deemed to include the unit rate quoted above. (ii) Once the Gas charged in it, it should hold in the system for minimum six months. If any gas leaked from the system the contractor has to charge the gas upto required level on free of cost and No extra cost on this account shall be claimed. (iii) Leakage test on each complete unit shall be measured separately.

5.5 TR compressor circuit of Package type AC

8.5 TR compressor circuit of Package type AC

11 TR compressor circuit of Package type AC

M&L for taking down the burntout / defective scroll type compressor from the unit and supply and fixing factory made new Scroll type Compressor including necessary welding/brazing, testing and commissioning complete all as specified and directed for the following capacity AC plants. Note:- (i) Leak test , Vacuuming & Refrigerant gas charging shall be measured and paid under relavant items.

5.5 TR capacity Scroll compressor

8.5 TR capacity Scroll compressor

11 TR capacity Scroll compressor

Supply only R-22 Refrigerant Gas

Supply only R-410A Refrigerant Gas

2 to 5 HP, Three Phase, 440V, 50 Hz, 1420 to 1440 RPM

1/2 to 3/4 HP, Single Phase, 230V, 50 Hz, 930 to 1440 RPM

Taking down the unserviceable burnt out indoor unit Blower Motor of following capacity and dismantling including taking out damaged/burnt out winding from motor, cleaning the slots with CTC and rewinding the same with new super enamelled copper winding wire of existing gauge and turns, oiling and greasing, assembling and installing back into position and testing for satisfactory running complete all as directed.

2 to 5 HP, Three Phase, 440V, 50 Hz, 1420 to 1440 RPM

1/2 to 3/4 HP, Sngle Phase, 23V, 50 Hz, 930 to 1440 RPM

Taking out existing old defective indoor blower motor, supply and fixing new indoor Blower Motor of the following capacity from indoor unit from original location including testing complete all as specified and as directed.

2 to 5 HP, Three Phase, 440V, 50 Hz, 1420 to 1440 RPM

1/2 to 3/4 HP, Single Phase, 230V, 50 Hz, 930 to 1440 RPM

Supply only Ball Bearing for Blower Motor at Item No. 24 here-in-before as per existing type/size for the package type AC Plant all as specified and directed. Note: labour cost deemed to be included in rate quoted in item No. 24 here-in-before

S&F in replacement the package type AC Plant Micro processing unit PCB with Remote control (Normal/inverter type AC) for the following capacity Package AC all as specified & directed.

5.5 TR to 11 TR Package type AC

17 TR to 22 TR Package type AC

S&F in replacement HP/ LP cut out switch all as specified & directed.

S&F in replacement Scanner unit in control panel of Package AC all as specified & directed.

S&F in Replacement damaged PVC drain pipe 32 mm dia all as specified and directed.

S&F in replacement Single Phase Preventer unit 415 V,3Ph all as specified and directed.

S&F in replacement PVC connectors 8.5 to 20 Amps heavy duty 25 mm all as specified and directed.

M&L to attend the complaints on the package type AC Plant, control panel, Micro processing unit of the system of any make / capacity as and when required. Note:- (i) The complaint should be attended on same day. (ii) Non rectification of complaints if any, the contractor shall be levied penalty of Rs 300 per day per complaint till completion.Recovery will be effected from the RAR (iii) Spares if any required shall be measured under relevent items as supply only (iv) If once attended the complaint, same unit any other complaint shall not be measured for next 3 weeks

S&F in replacement MCCB, adjustable type of following capacity/specification ,440V, 50 Hz, with extended terminal & spreader link all as specified and directed.

MCCB 4 pole, 16 KA 125 Amp

MCCB 4 pole, 16 KA 100 Amp

MCCB 4 pole, 16 KA 63 Amp

S&F in replacement MCB of following capacity/specification ,440V, 50 Hz.

MCB 4 pole, 63 Amp, 10 KA, C Type

MCB 4 pole, 40 Amp, 10 KA, C Type

MCB 4 pole, 16-32 Amp, 10 KA, C Type

S&F in Replacement Capacitor of capacity up to 10 mfd for condenser fan motor all as specified & directed

S&F in Replacement Bi metal Relay with single phase protection for contactor mounting relay of following range all as specified & directed.

Bi metal Relay of range 12.5 to 20 Amps

Bi metal Relay of range 25 to 40 Amps

S&F in replacement Copper Capillary tube 0.9 mm diameter for including the brazing work all as specified & directed.

S&F in replacement Air Blower of following size for Package type AC Plant all as specified & directed.

Air Blower of size 15" X 15"

Air Blower of size 12" X 12"

Supply only Shaft for Blower any size at Item No. 42 here-in-before as per existing type/size for the package type AC Plant Note: labour cost deemed to be included in rate quoted in item No. 42 here-in-before

Supply only Digital Clamp meter with TRMS

Supply and Replacement of rested/ damaged outdoor body of package type AC by removing condenser coil unit, compressor, fan motor, fan leaf etc and replace with new outdoor body including any welding work, painting etc and refix the condenser coil, compressor, fan motor, fan leaf etc and gas charging after leak test. Note : - Gas charging and leak test will be paid seperatley in the relevant item.

Schedule of credit amount brought back from Ser Page No.40 - Rs.68,130.00 will be deducted from the above quoted amount to derive the contract sum. SIGNATURE OF CONTRACTOR

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