| 1 | 1 | Attending and rectification of existing AC Package Units faults including providing minor spares if reqd such as connecting copper wires, removing & cleaning of filters, cleaning of units by blowers, control fuse, ferrules, lugs i/c minor works etc alongwith testing & commissioning complete as required. (Item will be measured on submission of visit report duly signed by BSNL authority and allowed at once per site per fault) (Note:- For subsequent visit to attend the AC Package Units to provide the items hereunder will not be paid separately. It is assumed that all items as below shall be carried out by firm in first visit only) | Item1 | 12 | Jobs |
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| 2 | 2 | Wet Servicing of existing 7 TR Conventional/HPAC removing, cleaning all components and filters, dedusting by high pressure air blower, washing condenser, evaporator i/c chemical cleaning (if required), refixing, tightening electrical connections, testing of AC unit, recording all parameters in service report etc as reqd. | Item2 | 32 | Jobs |
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| 3 | 3 | Replacement of following capacity of existing old defective compressor with new Sealed compressor in the existing conventional Package AC unit including dismantling of faulty compressor, cutting refrigerant piping, brazing & making necessary addition/alteration i/c proper mounting on base plate, connection of suction and discharge lines etc as reqd. (M/s Emerson/Tecumseh/SS make )\n(NOTE- The firm shall submit test certificate or documentary proof towards purchase of New/OEM factory repaired compressor.) \nThe defective compressor shall be the property of agency & firm should consider suitable price rebate for the same while quoting. The material under replacement shall be similar to existing defective material or as per product directory) | | | |
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| 4 | 3.01 | 3.75 TR | Item3 | 2 | Jobs |
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| 5 | 4 | Replacement of following capacity of existing old defective compressor with new Sealed compressor in the existing HPAC unit including dismantling of faulty compressor, cutting refrigerant piping, brazing & making necessary addition/alteration i/c proper mounting on base plate, connection of suction and discharge lines including testing etc as reqd. (M/s Emerson/Tecumseh/SS make)\n(NOTE- The firm shall submit test certificate or documentary proof towards purchase of New/OEM factory repaired compressor.) The defective compressor shall be the property of agency & firm should consider suitable price rebate for the same while quoting. The material under replacement shall be similar to existing defective material or as per product directory) | | | |
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| 6 | 4.01 | 7 TR | Item5 | 2 | Jobs |
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| 7 | 5 | Carrying out leak testing of existing 7 TR Conventional/HPAC Package units with nitrogen gas including dismantling of machine, flushing the system, brazing/flaring the leak points, vacumising, purging and making the system leak proof i/c transportation of nitrogen cylinder, brazing kit & vacuum pump testing & commissioning etc as required. | Item6 | 5 | Jobs |
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| 8 | 6 | Supplying and installation of following material for repairing & attending break down complaints of 7TR conventional/HPAC Package AC units/Electrical Control Panel i/c dismantling, connection, fixing & testing etc as required.\n(NOTE- The firm shall submit test certificate or documentary proof towards purchase of New ) The defective material shall be the property of agency & firm should consider suitable price rebate for the same while quoting. The material under replacement shall be similar to existing defective material or as per product directory.\n | | | |
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| 9 | 6.01 | Blower motor ( Rewinding ) | Item7 | 8 | Nos. |
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| 10 | 6.02 | Condenser motor ( Rewinding ) for Conventional AC Units | Item8 | 5 | Nos. |
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| 11 | 6.03 | Condenser motor ( New ) for HPAC Units | Item9 | 10 | Nos. |
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| 12 | 6.04 | LP/HP control switch | Item10 | 5 | Nos. |
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| 13 | 6.05 | Indication Lamps | Item11 | 12 | Nos. |
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| 14 | 6.06 | Multifunctional VAF meter | Item12 | 10 | Nos. |
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| 15 | 6.07 | Thermostat (M/s Danfoss/indfoss/Arvind/SS make ) | Item13 | 5 | Nos. |
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| 16 | 6.08 | Micro Air Filter | Item14 | 5 | Nos. |
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| 17 | 6.09 | Drier | Item15 | 5 | Nos. |
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| 18 | 6.1 | Expension Valve | Item16 | 5 | Nos. |
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| 19 | 6.11 | Top up of R-22 refrigerant gas in the existing Package type AC Units | Item17 | 30 | Kg |
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| 20 | 6.12 | Top up of R-407 refrigerant gas in the existing HPAC Package type AC Units | Item18 | 15 | Kg |
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| 21 | 6.13 | Minilec VSP D2 SPP | Item19 | 10 | Nos. |
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| 22 | 6.14 | (a) Dial Type Discharge Pressure Gauge (0-500 PSI) | Item20 | 4 | Nos. |
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| 23 | 6.15 | (b) Dial Type Suction Pressure Gauge (0-300 PSI) | Item21 | 4 | Nos. |
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| 24 | 6.16 | Condenser fan Blades | Item22 | 4 | Sets |
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| 25 | 6.17 | 25 TP Contactor | Item23 | 4 | Nos. |
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| 26 | 6.18 | 18 TP Contactor | Item24 | 4 | Nos. |
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| 27 | 6.19 | FieldBus/BMS card controller | Item25 | 1 | Nos. |
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| 28 | 6.2 | EVD | Item26 | 1 | Nos. |
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| 29 | 6.21 | LCD Display | Item27 | 1 | Nos. |
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| 30 | 6.22 | Relay 2.5 to 5 Amps | Item28 | 2 | Nos. |
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| 31 | 6.23 | Relay 12 to 18 Amps | Item29 | 2 | Nos. |
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| 32 | 6.24 | 6-32 Amps TP MCB | Item30 | 6 | Nos. |
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| 33 | 7 | Supplying and installation of following size switches in the existing electrical panel including minor adjustments for fixing the switch in the panel including connections,testign and commissioning complete etc as required. | | | |
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| 34 | 7.01 | 200 Amps TPN switch complete with HRC fuses | Item31 | 2 | Nos. |
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| 35 | 7.02 | 63 Amps TPN switch complete with HRC fuses | Item32 | 5 | Nos. |
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| 36 | 7.03 | HRC fuses upto 63 Amps | Item33 | 30 | Nos. |
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| 37 | 7.04 | HRC fuses from 100 Amps to 200 Amps. | Item34 | 20 | Nos. |
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| 38 | 8 | Supplying and installation of 200 Four Pole MCCB in the existing electrical panel including minor adjustments for fixing the switch in the panel including connections,testign and commissioning complete etc as required. | Item35 | 1 | Nos. |
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| 39 | 9 | Dismantling and reinstallstion of the existing condensor units of 7 TR HPAC units including making necessary amendments as per the requirement at site, pump down the refrigerant,dismantling/cutting the existing refrigerant piping,reconnection of refrigerant piping, carrying out leakage testing and testing and commioning of complete unit etc as required. | Item36 | 5 | Jobs |
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| 40 | 10 | Supplying and fixing copper refrigerant pipes of suitable diameter with all accessories including cutting, bending, jointing, brazing etc. for hot gas and liquid lines of a single circuit, in existing MS cable tray including insulating the refrigerant lines inside AC area with suitable fire retardant polythene foam etc complete as required as per specifications attached. | | | |
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| 41 | 10.01 | Hot Gas Line, 7 /8 \" Dia | Item39 | 20 | Mtr |
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| 42 | 10.02 | Liquid Line, 5/8\" Dia | Item40 | 20 | Mtr |
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| 43 | 11 | Supplying and installing following size of perforated pre-painted with powder coating M S cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M S suspenders including bolts & nuts, painting suspenders etc as required. | | | |
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| 44 | 11.01 | 150 mm width X 50 mm depth X 1.6 mm thickness | Item41 | 20 | Mtr |
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| 45 | 12 | Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for earthing connections etc. as required. | Item42 | 15 | Mtr |
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| 46 | 13 | Supplying and laying armoured Copper cable of following sizes in existing cable tray including termination of cables etc as required. | | | |
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| 47 | 13.01 | 3 x 4.0 sq.mm Copper cable | Item43 | 15 | Nos. |
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