AMC FOR HITACHI HI REL POWER ELCTRONICS PVT LTD MAKE UPS FOR 03 YEARS AT ALUMINA REFINERY, NALCO, DAMANJODI

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1) Preventive maintenance: This is generally executed during normal working hours of NALCO. The preventive maintenance shall be done once in 3 months for 3.5 days per visit. Total number of visits shall be 12 visits in 3 years (4 visits per year) totaling 42 man days in the 3 yr contract period & that each visit shall cover all the 6 sets of Hitachi Hi-rel UPS systems as per schedule of maintenance with tentative month/date shall be prepared by M/S Hitachi Hi-rel at the start of contract and shall be confirmed by the Engineer-in-charge. This shall include: - UPS panels cleaning and checking the terminal tightness - Functional checking and carrying out necessary measurements at all applicable test points of control cards, carrying out necessary adjustments to ensure healthiness of complete UPS system. - Checking of Smooth/ bump less transfer operation from UPS I to UPS II & vice versa. Also UPS to Alternate supply & Vice versa. - Identification of problem for the entire UPS + Battery systems, and rectification of UPS related problems only. The Battery related problems shall be attended by NALCO personnel after problem identification by Hitachi Hi-rel/AMC vendor under this contract. 2) Breakdown Maintenance: This shall be attended within 48 hours and services to be provided on Holidays and during odd hours also if necessary. M/S Hitachi Hi-rel shall ensure that there is NO breakdown of UPS system whatsoever. Breakdown calls if required, shall be operated on “No cost to NALCO” basis and all expenses inclusive of incidental charges (man day charge, transportation, lodging/boarding etc) shall be borne by M/S Hitachi HI-REL. The service personnel from Hitachi Hi-rel shall attend to breakdown calls positively within 48 hours of fault intimation All Spares for rectification of faults shall be provided by NALCO. NALCO shall provide only Vacuum Cleaner /Blower for carrying out the necessary activities. All other tools and tackles as required for the job are in the scope of the party. In case PM visits are required on Holidays or Sundays the same shall be done on prior intimation of NALCO.