COMPREHENSIVE MAINTENANCE OF MAIN AND STANDBY POWER SYSTEM PRECISION COOLING FIRE SUPPRESSION SYSTEM AND ALLIED ACCESSORIES FOR PROJECT VYOMA AT 1 WEC UNDER GE (U) PM DELHI CANTT10

Periodical, preventive and comprehensive maintenance to Integrated Data Centre Solution/IT Racks (02 Nos) suitable for 35 KW IT load distributed in 4 Racks which provide active approx 165 U space for IT devices of OEM VERTIV and consisting of the Following :- (i) Precision Air Conditioning (04 Nos) :- Direct Expansion microprocessor based precision AC units (Para metric cooling CFM) of min 35 KW sensible capacity precision AC unit with air cooled condenser, digita scroll compressor in each unit with suitable refrigerant circuits, evaporator coil with hydrophilic coating, direct driven electronic thermostatic expansion valve suitable for environment friendly R410A refrigerant, electric heater locking disconnect switch, adjustable modular baffle system, heater, clocked filter, 2 Nos rack sensors, Infrared humidifiers and vibration isolator. The unit refrigerant circuit has factory installed solenoid valve and service valves. Motor is suitable for 415V + 10%, 50 cycles, 3 phase AC supply with EC fan and external static pressure 20 Pa. Smart row capacity modulated cooling, which is self contained precision cooling unit designed for cooling racks.

(ii) Fire Detection and Suppression system :- Fire detection, fire suppression, smoke detection, NOVEC 1230 gas for fire suppression. The accessories are compression of:- Seamless cylinder with pressure guage & low pressure switch fillable with NOVEC 1230 gas - 02 Nos. Electrical solenoid 24V DC stackable – 2 Nos. Manual & pneumatic actuator – 2 Nos. Discharge Hose – 2 Nos. 360-180 deg ceiling type discharge nozzle – 6 Nos. Cylinder strap – 2 Nos. 2 zone fire alarm panel with single zone gas release panel – 2 Nos. Release switch – 2 Nos. Abort switch – 2 Nos. MS Seamless pipes as per ASTMA with necessary fittings – 2 Lot. Smoke detectors photoelectric type 24V DC – 12 Nos. Warning plates – 2 Nos. Hooter cum strobe – 2 Nos. (iii) Remote display unit (RDU). (iv) Power distribution unit (PDU). (v) Camera surveillance and recording system. (vi) Event alerts system. (vii) Biometric Access Control system. (vii) Rodent repellent system. (viii) Temperature monitoring system. (ix) Humidity monitoring system. (x) Water leak detection system.

Microprocessor/DSP controlled modular UPS of capacity 150 KVA (30 KVA Modules X 5 Numbers ) UPS Rack to be Scalable upto minimum 300 KVA and comprising IGBT based rectifier inverter to achieve input THDI<3% and input power factor >.99 at 100 % loading. The UPS frame having the space to scale 100% of the rated output and option to be paralleled with another frame if required in future. True online double conversion (VFI as per IEC 62040-3) UPS using PMW IGBT technology, 3 Phase input and 3 Phase 400 V output UPS system of OEM VERTIV complete all as specified and directed by Engineer-in-Charge and each comprising of the following:- (i) Fully rated, unity power factor designed user replacecable Rectifier, charger & inverter unit integrated in each power module, 5 Nos of 30 KVA power module to be integrated to achieve 150 KVA/KW connected load. (ii) Module should be redundent & Controller should also be redundent. (iii) 100% rated static bypass module at the bypass line. The static bypass module should be rated equivalent to the total power ratings of the power modules. (iv) Web-enabled monitoring and management through SNMP protocol for multi-OS environments. (v) UPS efficiency upto 95% at full load. (vi) High performance battery module comprising of lead acid sealed maintenance free batteries of capacity 12 Volts, 200 AH - 40 Nos, for providing 15 minutes backup to 150 KVA connected float. (vii) Health monitoring of battery back up.

Periodical, preventive and comprehensive maintenance to VRV/VRF (Variable Refrigerant Volume/ Variable Refrigerant Flow) Air Conditioners of modular system type, with number of indoor connected to centrally located outdoor units as per OEM (DAIKIN) instructions. (a) Outdoor Units :- VRV/VRF outdoor units with multiple compressors complete with inverter based type Rotary/Scroll compressors, R 410A refrigerant, cooling & heating mode both options, special pre-coated fin type heat exchanger, low noise direct driven propeller condenser fans in each module with top discharge every module having minimum 02 Nos. fans, GI coated condenser stand, microprocessor panel with sequential staring of condensing unit, coils, expansion valves, filters in refrigerant circuits, single phase preventor, all vibration isolators, safeties, operation range of dry Bulb Temperature -5 of 49 Deg C (i.e. in cooling mode) and -20 to 15.5 Wet Bulb Temperature Deg C (I.E. in heating mode) with Minimum capacity control of 8% of ODU capacity. Each system had the provision to combine maximum 3 Nos. single outdoor unit, Every single outdoor unit had multiple compressors Minimum 2 and maximum 3 Nos. in single module of system. Level Difference of piping is 50 Mtr if DODU is above or below from IDU in both cases. (a) 18 HP Outdoor unit VRV/VRF System. (b) 14 HP Outdoor unit VRV/VRF System. NOTE FOR ITEM NOS. 1 to 3:- (a) The comprehensive maintanance of equipment under this contract shall be done through respective OEM i.e. VERTIV and DAIKIN. The contractor will have to submit MoU on stamp paper of Rs. 100/- duly notarized as per specified performa (on serial page No. 102 to 104) within twenty eight days from date of Accptance of tender, failing which the contract will be liable to be cancelled and work will executed as per policy invouge of the contractors default. (b) The contractor should submit the monthly test report of Equipment conducted by the OEM with in first week of every month to the Engr-in-Charge, failing which recovery of Rs. 2000/- per Equipment per month shall be deducted from contractors dues.

Supply and filling refrigerant gas R-410A in Precsion AC/ VRV units complete in satisfactory working condition complete all as specified & as directed.

M & L for detecting the leakage of gas and rectifying the defect to stop the leakage by gas welding or by any other means including cutting & brazing of copper tubes testing and commissioning complete in satisfactory working condition complete all as specified & as directed.

Supply & fixing MCCB 3 Pole of capacity 100 Amps, 50 Hz, 415V with rupturing capacity of 16 KA with spreader terminals including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

Supply & fixing MCCB 3 Pole of capacity 63 Amps, 50 Hz, 415V with rupturing capacity of 10 KA with spreader terminals including taking down old unserviceable one complete all as specified and directed by Engr-in-Charge.

Material and labour for rectification, maintenance of addressable zones, searching the faults, up/down loading software of main control panel at Wardec and reprogramming entire system and testing by authorized Technical Engineer of OEM complete all as directed by Engr-in- charge. and including Inspection, testing and commissioning of complete fire alarm system installed done by authrized OEM of Honywell manufacturer only all as required complete all as specified and directed.

Supply, fixing, commissioning and testing of automatic Floating Sensitivity type photo electric addressable thermal smoke detector with mounting based LED, Address Switch from 01-159 , to programme the detectors, complete as required. (In Changing Environment Area) ul- 7th edition including taking down old unserviceable one complete all as specified and directed.