COMPREHENSIVE MAINTENANCE TO 170 TR AC PLANT AT 6 AIR FORCE HOSPITAL

Amount

M&L for Comprehensive maintenance, preventive / periodical, routine and corrective (break down), maintenance, servicing, cleaning, inspection and testing and including repair / replacement of defective components / parts / fittings / sensors / control & power wiring, gas charging and leakage detection including pressure testing of 03 Nos of Chilling machines Make : M/S Blue Star (Model No LCW1-090X020404) of screw water cooled chiller package / compressor 85 TR each, single stage, 415 Volts, 3 Ph, 50 Hz including checking the funtioning of chiller unit, free replacing of defective / worn out parts with new or repaired parts for compressor / thermotat / cut outs based on assessment, Repairing of equipment as listed below, Desacaling of condensers / chemical cleaing of evaporator coils, replenishing refrigenrant gas and compressor oil in the system arising out of system defect excluding sealed compressor, Checking of compressor for its proper working, annual pumping down and restarting and when required, Checking of microprocessor control panel, control boards, transducers of packaged chillers / condensing unit for their correctness and replace if necessary, Replacing of parts due to normal wear and tear fan belts, accutators, 3 way valve, anti rust grease, filling up of water in cooling line as required pressure, pump motor, AHU bearings, motor terminal plate in addition to cleaning of AHU micro/Heppa filters, filling/applying lubriccants in all required places comprising of following equipment of following capacity all as specified and directed :- (i) Screw water cooled chiller (Model No - LCW1-090X02404) of Capacity 85 TR - 03 Nos (ii) Cooling Tower (Paharpur-3842 (TB) Cross flow) Motor capcity 2.2 KW/3HP - 03 Nos (iii) Chilled water pump of capacity 7.5 KW / 10 HP (Model No 2KA2131-0234-A00002-Armstrong) -03 Nos (iv) Condenser water Pump of capacity 5.5 KW / 7.5 HP (Model No 2KA2130-0234-A00001-Armstrong) - 03 Nos (v) Air Handling unit 6000 CFM (Zeco - floor mounted First floor) - 01 Nos (vi) Air Handling unit 12000 CFM (Zeco - floor mounted II nd & III rd Floor) - 02 Nos (vii) Air Handling unit 13000 CFM (Zeco - floor mounted II nd floor) - 01 Nos (viii) Air Handling unit 20000 CFM (Zeco - floor mounted III rd floor) - 01 Nos (ix) Air Handling unit 4000/3600 CFM for supply and return air for OT complex (Zeco - floor mounted ) - 02 Set

M&L for servicing by dismantling the existing U/S centrifugal pumps 10 HP, 3 Phase, 415 Volts with motor and disconnect the electric connections from LT panel / repair of pumps and motor including replacement of impellers, bearing and casing for repairing erroded portion, repairing of bearing housing, replacement of glands and rewinding the motor with existing gauge supper enamelled copper conductor and replacement of anti vibration pads etc, including transportation charges, re-fixing and testing after repair for satisfactory performances of the pumps/motor complete all as specified and as directed. Note: Transpotation cost and T&P required is deemed to be included in quoted rates.

All as per item No 2 above but 7.5 HP capacity

Supply only chemical for Descaling/cleaning of cooling tower first by draining the water from cooling tower then cleaning all dirt and dust first with plain water and then with mixture of water and descaling chemical (non-acidic type) as per manufacturers instruction and then draining the mixture and again cleaning the cooling tower with plain water and repeat the process till all scales are removed, including cleaning and adjustment of cooling tower finches so as to get desired draft of cooling tower of capacity for 85 TR 3 Nos AC Plant complete all as specified and as directed by Engr-in-Charge. Note: (a) T&P required shall be brought by contractor at no extra cost.

Supply only refrigerant gas for compressor R 410A

Supply only Heppa filterbag box type suitable for hospital airhandling unit filtration capacity 99.97% down to 0.3 microns with aluminium frame

Supply only two way accutator valve with by pass arrangement suitable to existing AHU for cold water supply line including necessary input connection all as directed

p.chinnasamy (BID ID -3184288)