Tender For corrigendum : daily operation, routine maintenance and comprehensive annual maintenance of 300 tr hvac system consisting of 3 nos. air-cooled packaged screw chillers of 100 tr each, screw compressors, air-cooled condenser, chilled water pumps, ahus, chilled water piping with all the valves, ducting, electrical panels, vfd panel of secondary chiller pumps and other associated equipment of the central air conditioning plant of science exploration hall of science city, kolkata.
Tender For supply of filter assembly for machine room ventilation as per clw specn. no. clw/ms/3/012, alt-5 or latest and clw drg. no. 1209- 11.135-121, alt-2 or latest for 3 phase locos. one nos means 01 nos mrv filter without plenum box assy. [ warranty period: 30 months after the date of delivery ]
Tender For supply of ventilation fan motor (foot mounted induction motor) for lhb power car of rating 5kw, 415vac, 3 phase, 50hz, 1500 rpm (synchronous speed), ip65, insulation class-h, dutys1, conforming to is:12615 (2011) or latest. the motor should be m/s abb, mis laxmi hydraulic, m/s crompton, m/s siemens, m/s kirlosker electric make only. as per make mentioned at rdso's specification no. roso/pe/spec/ac/0084-2008, rev.1. [ warranty period: 30 months after the date of delivery ]
Tender For corrigendum : providing of customized amc/cmc for pre-owned products - customized amc/cmc for pre-owned products providing installing testing and commissioning of ahuja speaker set as per specifications attached in scope of work; --; comprehensive maintenance contract (cmc); n..