COMPREHENSIVE MAINT OF HVAC INCLUDING VRF PAC WATER CHILLER AND OTHER ALLIED WORKS AT NCN COMPREHENSIVE MAINT OF (3X55 TR AND 3 X 25 TR) AC PLANT AND OTHER ALLIED WORKS AT 2003 STN AND REPAIR/MAINTENANCE OF DESERT COOLER WATER COOLER SPLIT/WINDOW AC

Comprehensive, preventive and periodically maintenance of the HVAC VRV Unit Make- Hitachi, Model : RAS-10HNBCMQ1- Qty-2 No's and RAS 14GNBCMQ1 Qty-01 No's total 34 HP along with respectively Indoor units Qty -11 No's of different rating (4.5 HP ductable unit-02 no's, split- 02 HP-Qty-02, Cassette uni 3HP -7No's. By inspecting the all units and carry out monthly as a part of preventive maintenance, with relevant PM checklist. Checking the refrigeration system, motor arıd starters and ensuring healthy condition of the plant. Checking the system for any leaks and rectification of leaks found Taking set of readings and evaluating to ensure satisfactory performance of the plant, Checking the Refrigeration control system for operation and adjusting the settings, Checking the functioning of compressors and its accessories, Cleaning the IDU evaporator, ODU condenser coil monthly, Lubricating the bearings of motors, & fans when found necessary, monthly inspection of belts adjusting the tension and replacing the worm out belt as and when found required, Replenishment of refrigeration gas as a result of wear and tear or any other means, Overhauling the components of the equipment at site or in service station as and when required. Checking of the microprocessors PCBs and sensors of IDU/ODU units for its proper functioning and repair/ replacement of the same if found necessary to make the overall system serviceable.

Comprehensive, preventive and periodically maintenance of the Chiller Plant Make- Blue box/ Swegon, Model : ZP182KCE-1FD-477-Qty-3 No's and total Capacity 22X3-66 TR along Primary pumps-5HP/2.5KW, Qty -3 No's including 4 No's AHU, including chiller LT panel & RO Plant , By inspecting the all units and carry out monthly as a part of preventive maintenance, with relevant FM checklist. Checking the refrigeration system, motor and starters and ensuring healthy condition of the plant. Checking the system for any leaks and rectification of leak found. Taking set of readings and evaluating to ensure satisfactory performance of the plant. Checking the Refrigeration control system for operation and adjusting the settings. Checking the functioning of compressors and its accessories, Cleaning the IDU evaporator ODU condenser coils monthly. Lubricating the bearings of motors & fans when found necessary, monthly inspection of belts adjusting the tension and replacing the worn out belt as and when found required. Replenishment of refrigeration gas as a result of wear and tear or any other means, overhauling the components of the equipment at site or in service station as and when required. Checking of the microprocessors PCBs and sensors of IDU/ODJ units for its proper functioning and repair/replacement of the same if found necessary to make the overall system serviceable.

Comprehensive, preventive and periodically maintenance of the Precision air condition (PAC) Unit: Make Blue box/ Swegon, Model :DATATEC VEDA10-1CH-Qty-3 No's and total Capacity 5X3-15 TR including PAC LT Panel by Inspecting the plan system and carry out preventive maintenance as par the standard practice monthly in contract period with relevant PVM checklist. Checking the refrigeration system, motor and starters and ensuring healthy condition of the plant. Checking the system for any leaks and rectification of leak. Ensure drain is not clogged. Taking set of readings and evaluating to ensure satisfactory performance of the plant, Checking the Refrigeration control system for operation and adjusting the settings, Checking the functioning of compressors and its accessories, Cleaning up of units & all air filters, check the proper functioning of controllers, Lubricating the bearings of motors, & fans when found necessary. Replenishment of refrigeration gas as a result of wear and tear. Attend all breakdown within 2-4 hours. Replaced worn out parts within 24 hours subject to normal working days, Overhauling the components of the equipment at site or in service station as and when required to make the overall system serviceable. Checking of the microprocessors PCBs and sensors of IDU/ODJ units for its proper functioning and repair replacement of the same if found necessary.

Comprehensive and preventive maintenance The work under above item Ser No 1.00 to 6.00 shall be carried out through authorised dealer/repairer of OEM only all as described in BOQ special conditions. Comprehensive and preventive maintenance shall be carried out by contractor through trained Engineer of OEM only. The MoU will be signed by both the parties i.e. contractor and OEM on a non judicial stamped paper of Rs. 100/- duly notarised. All the bidders shall upload a letter of 'Intent of MoU' through OEM in Cover-1 regarding willingness of MoU to be done between Bidder & OEM post accepance of the Tender. The letter of declaration will be as per format at Ser Page No _____ of Tender documents. Failing to which Bidders shall be rejected for bid opening of Cover II. The successful L1 Bidder shall submit MoU as per format attached at Ser Page No v_____ of tender documents within 07 days from date of issue of Work Order No 01, failing which late charges @0.5% of CA amount per week from date of acceptance shall be imposed on contractor. The contract shall be liable to be cancelled without any notice under condition 54 of IAFW 2249. If MoU not submitted by L1 bidder within 05 week of acceptance. On occasion to this Performance Security @5% shall be forfeited by Department and work may be get executed under other means. Any Condonation of delay will be adjudicated by the Accepting Officer only. No extension of time will be granted on the part of OEM causing delay in signing the MoU with L1 bidder.

Supply & fb: of Refrigerant 410 for VRV and Chiller Unit

Supply & fix Inverter control card for the unit (Make: Hitachi, Model RAS-10HNBC IQ1