Military Engineer Services Tender

M & L Comprehensive maintenance for chilling package of (350X2=700 TR) Screw type refrigeration Compressor with R134A refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance programme will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels complete all as specified and directed by the Engr in Charge.

M & L Comprehensive maintenance for chilling package of (50X3=150 TR) Scroll type refrigeration Compressor with R407C refrigerant with Microprocessor panel and suction and Discharge control valves including one annual and three periodical inspection during the contract period at approximately equal intervals by the OEM and the maintenance programme will proceed as and when required as per the inspection report provided by company representative and servicing of complete power supply system of the AC Plant including sub panels complete all as specified and directed by the Engr in Charge.

NOTE FOR SERIAL ITEM NO 01 & 02 ABOVE:- (a) Carry the proper functioning of microprocessor panel and take the control test (b) Check the electrical panels for tripping, overheating, chattering in electrical parts and terminals for proper tightness. (c) Check for proper working of all Ammeters, voltmeters, Hour mtrs, KWH Mtrs and overload relays, fan belt etc and replacing the same if found unserviceable (d) Checking the operation of MCCB's up to 250 Amps, MCB, Isolators, etc and replacing the same if found unserviceable. Proper load balancing should be carried out by the contractor of electric supply system to the chiller machines and necessary arrangements will be carried out for measurement of electric load in all phases by the contractor at no additional cost and the subject report of load in the electrical panel will be submitted at the time of inspection report of the chillers. (e) Clean electrical panels and chiller machine periodically. (f) Check functioning of water flow switch and interlock in the system. (g) Check all safety and operating controls for proper functioning and replace if the same is defective for proper sequence of operation of the machine (h) All the breakdowns including compressor failure will be attended and the visit shall not be counted in periodical inspection. (j) Check refrigerant filter and drier core, replace the same , if found necessary. (k) Check oil level and oil heater in the system. (l) Check chilled water flow by checking pressure drop across the chiller (m) Check evaporator and condenser approach and compare the chilled water temperature at full load with the chilled water temperature control (n) Seasonal adjustment of controls if required and software upgrade (o) Inspect entire system for any unusual condition such as noise, vibration etc (p) Supply of electrical parts except electrical spares for incoming panel. (Electrical Spares Like:- fuses, incoming electrical controls, flexible wire, All type of starter parts including wiring etc)