COMPREHENSIVE MAINT OF CENTRAL TYPE AC PLANTS LOCATED AT MTRDC AND CAIR AND MISCELLANIOUS WORKS UNDER GE I R AND D WEST BENGALURU

Comprehensive to maintenance of Air Handling Units connected 795 Ton capacity (in 3 units) chiller units with different capacity (34 units) by daily checking of electrical cable panel, VFD switches, actuators, checking of AHU Impellers, weekly inspection and necessary repairs of all system / replacement of parts as and when required connected to AHU including cleaning of pre-micro filters, AHU shaft and bearing alignment checking of cooling coil etc., to keep the system function properly according to the parameters as set by authorized manufacturers complete all as directed by Engineer –in- Charge (Cost of spares to be replaced are deemed to be included in the quoted rate, like VFD, MCB, AHU motors, switches, contactors, pillar bearings, ‘V’ belts fuses etc.).

Comprehensive maintenance for computerized building management systems connected to 795 ton capacity chiller unit consists of daily checking, weekly inspection and checking of all electronic devises. VCD’s pneumatic actuator, including rectification of any faults as and when occurred / replacements of parts as required by authorized manufacturers of installed system to keep the system function properly according to the parameters as set by the manufacturers complete all as directed by the Engineer-in-Charge.

Comprehensive maintenance for chiller of 795 TR capacity i.e. for 03 set of plants consists of daily checking, weekly inspection and checking of chiller pipe and checking of chiller pipe line, flow control valves, Non return valves, chiller pipe line insulations from plant room to AHU rooms, checking of chiller safety electronic devise including rectification of any faults as and when occurred/replacement of parts as required by authorized manufacturers of installed system to keep the chiller units function properly according to the parameters as set by the manufacturers complete all as directed by the Engineer-in-Charge.

Comprehensive maintenance for screw compressor of capacity 132.5 TR (6 No) of 03 sets of plant consists of daily checking, weekly inspection and checking of compressor, suction, and discharge stop valves, refrigerant pipe lines, condenser fan motors (64 No) electrical connections etc, including rectification of faults like microprocessor board, motor protection relays, phase preventors, PC boards contactors, fuses, transformers, auto breaker MCCB’s switch etc Complete as required by authorized manufacturerers of installed compressor units to keep the system function properly according to the parameters as set by the manufacturerers complete all as directed by the Engineer-in-Charge.

Cleaning of condenser coils of 265 TR x 3 nos chiller units with cleaning solutions/with pressure wash without damaging coil and other parts, checking of refrigerant lines for leaks and rectifying leaks by brazing, pressure testing, gas charging etc. Note :- (a) Contractor shall arrange to attend emergency and breaking down calls and the system should be brought back to workable condition with minimum possible time as assessed by the Engr-in-Charge. The rate quoted by the contractor shall deemed to be included this provision also (b) Contractor shall submit the periodical service report, break down repairs and spares replaced details (c) The charges for servicing and replacement of spares shall be Deemed to be included in the rate quoted by the contractor. (d) For preventive & comprehensive maintenance arranging service personnel, mechanics, plumbers, etc shall be the responsibility of contractor. Rates quoted are deemed to be included in the above items for the same (e) The firm is responsible for functional of all Three plants, and operate plants alternate basis based on requirements of users, the quoted amount for Sl. item No. 1 to 7 shall deemed to be included for all items as and when required for smooth function of plant as per manufacturerers recommendations. No extra amount what-so-ever shall be paid in this regard.

Comprehensive maintenance of the following Package Air-conditioning plants at New CAIR building Including replacement of worn out / defective parts and components, gas filling all as required for smooth and efficient functioning of AC plant to achieve desired cooling conditions and carrying out the complete checks as per manufacture's instructions comprising of motors, condensers , chilling unit, Air handling unit, supply and return through air ducts , control panels , safety devices etc complete all as directed by Engr -in charge. (a) Ductable type air conditioner 16 Nos x 8.5 TR Make :- Voltas (b) Ductable type air conditioner 1No. x 5.5 TR Make :- Voltas (i) Notes for Sl Item Nos 1.00 to 8.00 mentioned in Appx ''A'' (to encl in tender PS). (ii) Minimum manpower shall be required Refrigerant Mechanic - 2 Nos and Helper - 01 Nos for Sl Item Nos 3 to 8 complete all as directed by Engineer-in-charge. (iii) Payment against Sl No 1 to 7 regarding comprehensive work will be done at monthly basis and whole maintenance work done in a month will be counted as one job.Contractor is solely responsible for keeping the plant in functional and in good condition during tthe contract period. (iv) A register shall be maintained by the contractor on daily basis regarding functioning and servicing of plant and components from Sl. item No. 1 to 7, duly signed by JE E/M and AGE E/M (v) Contractor shall solely be responsible for functioning of plant during the contract period (vi) If the contractor fails to adhere to the above, a penal recovery @ ₹5,000.00 per month shall be chargeable for each item (vii) Service report per month indicating all parameters that were checked as per sample report of each plant shall be submitted duly signed by technician for each plant individually for payment purpose and shall also be signed by JE E/M and AGE E/M

Comprehensive maintenance to chilled water circulation pumps of 20HP capacity for primary and secondary booster pumps of capacity 20HP by daily/weekly checking, maintenance includes checking lubricants oil level, love joy coupling, spider bushes, pumps & motors repairing/replacement defective spares like bearings, winding, MCBs, MCCBs digital boards, Amps meter, transformer 0.66kv 10 Nos, VFDs timers, contactors required by authorized dealer etc complete as required by authorized service dealer to keep the system function properly as per set parameters and all as directed by Engineer-in-charge.

Comprehensive maintenance of central air conditioning plant of 25 Ton capacity 1x25 TR of make Voltas installed at MTRDC main building including replacement of worn out/defective parts and components,gas filling all as required for smooth and efficient functioning of AC plant to achive desired cooling conditions and carrying out the complete checks as per manufacturers instructions, comprising of motors, condensers,chiiling unit,Air handling unit,supply and return through air ducts,control panels safety devices etc complete all as directed by Engineer-in-charge.

Comprehensive maintenance of central air conditioning plant of 25 Ton capacity 1x25 TR of make Blustar air cooled condenser type installed at MTRDC main building including replacement of worn out/defective parts and components,gas filling all as required for smooth and efficient functioning of AC plant to achive desired cooling conditions and carrying out the complete checks as per manufacturers instructions, comprising of motors, condensers,chiiling unit,Air handling unit,supply and return through air ducts,control panels safety devices etc complete all as directed by Engineer-in-charge.