COMPREHENSIVE MAINT OF CENTRAL AC PLANT, DG SET, FIRE ALARM SYSTEM, ACB/ VCB PANELS ETC AT NCN UNDER AGE B/R ALWAYE

Preventive maintenance and check up of the liquid cooling package (LCP) Unit installed at NCN Data centre including complete checking of the EC fans, control cards, Humidity bottle, dehumidify fire, actuator valves, temperature and humidity sensor, and other respective parts to ensuring the healthy condition of the all units, Checking the functioning of the compressor and its other accessories, cleaning of the indoor filter’s microprocessors PCB card, checking of all respective sensors and external cleaning with suitable solution. The tenderer shall be attend the all breakdown complaints whenever required at any time and made serviceable with in 48hrs time for above mentioned all as specified and directed by Engineer-in-charge. Make- Rittal, -Qty-06 No's and total Capacity 40X6= 240 KW Along with Processing Units CMC-III, CMC Power supply, CMC IO Units

Preventive Maintenance scope of work:- i) To visit & check the operating parameters of the LCP every month month as per schedules. ii) To review the previous months operating log records and alarm history. iii) To inspect the unit for any unusual vibration, noise etc. iv) To check for a sign of leakage and rectifying the same. v) To check the proper functioning of microprocessor and take control test. vi) To attend to all the complaints as and when called for. vii) To provide any spare covered under the scope of LCP viii The quoted rate including replacement/repair of any kind of spares labour cost for replacement of defective spares of LCP

Preventive maintenance and check up of the Air handling unit installed at NCN Data cetre including complete checking of the refregiration, fan motor, EC fans, control cards, and other respective parts to ensuring the healthy condition of the all units, Checking the functioning of the compressor and its other accessories, cleaning of the indoor filter’s microprocessors PCB card, checking of all respective sensors and proper external cleaning with suitable solution. The tenderer shall be attend the all breakdown complaints whenever required at any time and made serviceable with in 48hrs time for above mentioned all as specified and directed by Engineer-in-charge. Make- Balance, Model-BDSM-05, Qty-4 No's, 500CFM

MONTHLY PREVENTIVE WORKS FOR AHU i) Repair the components of the AHU equipment at site / Service Station. ii) Checking all electrical controls and components of AHUs. iii) Checking and servicing of AHU electrical Panel. iv) Lubricating the bearings of AHU motor. v) Checking of room temperature (supply air) vi) Checking of thermostat. vii) Checking of CFM, fuses, motor vibration levels. viii) Checking of Air leakage. ix)The quoted rate including replacement/repair of any kind of spares labour cost for replacement of defective spares of AHU

Preventive maintenance and check up of the of the Chiller Plant installed at NCN Data centre including complete checking of the refrigeration system, fan motor, control cards and other respective parts to ensuring the healthy condition of the all Chiller units, Checking the functioning of the compressor and its other accessories, cleaning of the outdoor, outdoor condenser coil, microprocessors PCB card, checking the suction and discharge pressure of each unit, checking of all respective sensors, and external cleaning with suitable solution. The tenderer shall attend the all breakdown complaints whenever required at any time and made serviceable with in 48hrs time for above mentioned all as specified and directed by Engineer-in-charge. Make- Blue box, Model: TETRIS 2A+8.2 -Qty-3 No's and total Capacity 22X3- 66 TR along Primary pumps -5HP /3.5KW, Qty -3 No's

Preventive Maintenance scope of work:- i) To visit & check the operating parameters of the Data Centre Chiller every month month as per schedules. ii) To review the previous months operating log records and alarm history. iii) To inspect the unit for any unusual vibration, noise etc. iv) To check for a sign of refrigerant leakage and rectifying the same. v) To check the operation of the valves. vi) To check the proper functioning of microprocessor and take control test. vii) All the breakdowns including the compressor failure, if any shall be attended and rectified. viii) Rewinding/ replacing the the compressor if required. ix) Repairing of the leakages including charging of gas x) To attend to all the complaints as and when called for. xi) To provide any spare covered under the scope of Chiller xii) The quoted rate including replacement/ repair of any kind of spares labour cost for replacement of defective spares of Chiller

Comprehensive maintenance and routine check up of chilled water pump motor of cap 5 HP - 03 Nos complete all as specified and as directed on monthly basis/as per requirement to ensure the working of all machineries without breakdown of AC supply to the NCN with all materials and labour for smooth functioning of plants :-

MONTHLY PREVENTIVE WORKS FOR CHILLED WATER PUMPS a) Checking & make it Functioning and cleaning of pump starter panels. b) Checking and tighten cables. c) Checking for any vibration and replacemnt of glands if required d) Checking and cleaning of terminals. e) Checking & make it Functioning of coupling of pump and motor. f) Checking of bush of pump. g) Checking of water seal of pump. h) Checking of motor amps. i) Checking and lubricate of motor bearing. j) Checking and cleaning of inlet strainers of pump k) Checking alignment of motor and pump l) Repairs/Replacement of motor winding if found wornout. m) Supply and fixing of any motor/pump spares required and proper functioning of chillers. n) Repair/Replacement of drain pipe of pumps to arrest the leak. o) The replacement cost for any kind of material and labour including bearing, motor winding shall be deemed to be included in the quoted rate.

Preventive maintenance and routine check up of the indoor VRF cassette unit of capacity 3.0/2.5TR/2.0/1.5 TR Ceiling Suspended units, 06 nos at NCN data centre,clean with mild Air blower in the coil side and remove the inside fine filter, cleaned with Soap solution after cleaning process fix in proper place ,check the drainage water tank and cleaned ,replace the communication cables and sensor if found defective including all kind of replacememnt of minor spare parts. Make :HITACHI 3.0 TR - 01 Nos, 2.5 TR - 01,2 TR - 3 Nos & 1.5 TR - 1 Nos, Model No. RCI-3.0FSKDNQ/RCI-2.5FSKDNQ/RCI-2.0FSKDNQ/RCI-1.5FSKDNQ Note: 1. contractor shall be responsible for replacement of false ceiling, if damage occured while servicing of Ceiling suspended units.

MONTHLY PREVENTIVE WORKS FOR INDOOR VRF CASSETTE UNIT i) To visit & check the operating parameters of the Data Centre VRF indoor unit every month as per schedules. ii) To review the previous months operating log records and alarm history. iii) To inspect the unit for any unusual vibration, noise etc. iv) To check for a sign of refrigerant leakage and rectifying the same. v) To check the operation of the valves. vi) To check the proper functioning of microprocessor and take control test. vii) All the breakdowns including the compressor failure, if any shall be attended and rectified. viii) Rewinding/ replacing the the compressor if required. ix) Repairing of the leakages including charging of gas x) To attend to all the complaints as and when called for. xi) To provide any spare covered under the scope of VRF xii) The quoted rate including replacement/repair of any kind of spares labour cost for replacement of defective spares of VRF