REPAIR/ROUTINE MAINTENANCE OF CENTRAL AC PLANT INSTALLED AT COMMAND AUDITORIUM, INCLUDING REPAIR/MAINTENANCE OF VARIOUS SUMMER COOLING APPLIANCES AND OTHER ALLIED WORKS AT NAVY NAGAR, COLABA, MUMBAI.

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Tender Inviting Authority: COMMANDER WORKS ENGINEER (NAVAL WORKS) MUMBAI

Name of Work :REPAIR/ROUTINE MAINTENANCE OF CENTRAL AC PLANT INSTALLED AT COMMAND AUDITORIUM, INCLUDING REPAIR/MAINTENANCE OF VARIOUS SUMMER COOLING APPLIANCES AND OTHER ALLIED WORKS AT NAVY NAGAR, COLABA, MUMBAI.

Contract No: 8102/CWE (NW) MUMBAI/E8

Sl. No. Item Code / Make Quantity Estimated Rate Addition / Deduction Addition / Deduction Values Currency Convertion against each Item Quoted Currency in INR / Other Currency RATE In Figures To be entered by the Bidder Rs. P Excise Duty VAT Freight Charges ( Unloading & Stacking) Any Other Taxes/Duties/Levies Other Taxes 2 IIIrd Party i.e DGS&D / RITES etc Inspection Charges @0.34%+Service Tax Less for Cenvat Credit,if any respect of Supplies Under full Excise Duty Category TOTAL AMOUNT TOTAL AMOUNT With Taxes TOTAL AMOUNT In Words

1 Comprehensive maintenance, operation and upkeep of the existing Central Air-Conditioning Plant installed at Command Auditorium, Old Navy Nagar, comprising 02 Nos. × 89 TR chilled-water-type air-conditioning units, Make: Blue Star, Model: LCW1-090V030404, including all associated equipment, machinery, controls, electrical systems, piping, ducting, cooling towers, AHUs and accessories, for maintaining the required indoor conditions of 20 ± 2°C temperature and 50 ± 5% relative humidity (RH). The work shall include preventive and breakdown maintenance, operation, inspection, testing, cleaning, lubrication, adjustment, minor repairs, replacement of consumables and minor components, as required for proper functioning of the system, and operation of the plant on an as-and-when-required basis, complete in all respects as specified and as directed by the Engineer-in-Charge. The scope shall also include operation and routine maintenance of the associated 100 kVA DG Set, including regular checking and topping-up of distilled water in the battery, collection of used/waste engine oil from the designated location/MT and filling of the DG set with the same/new oil as directed, checking of fuel, coolant, battery, belts, electrical connections and other routine operational parameters, complete. 9 Per Month 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.02 The Central Air-Conditioning Plant comprises, but is not limited to, the following equipment and systems: a) Screw Compressor Units: 02 Nos. hermetically sealed screw compressor units suitable for R-134a refrigerant, Make: Blue Star, including checking of compressor operation, refrigerant circuit, oil level/condition, operating pressures, temperatures, vibration, abnormal noise and associated safety/protection devices. b) Condenser/Chilled Water Pumping Sets: 06 Nos. monoblock centrifugal pumping sets, 10 HP, 3-phase, 415 V, Make: Kirloskar, Model: KDI 1030, including checking of pump, motor, coupling, bearings, seals, valves, pressure, vibration, alignment and electrical connections. c) Air Handling Units (AHUs): 02 Nos. AHUs of approximately 36,000 CFM capacity, Make: Zeco, Model: ZDS-350, complete with cooling coil, blower assembly, blower motor and associated components, including cleaning of filters, coils, drain trays, blower, fan section and checking of air flow, belt tension, bearings, motor and associated controls. d) Cooling Towers: 02 Nos. FRP induced-draft, rectangular, counter-flow cooling towers of approximately 110 TR capacity, Make: Mihir, Model: SM 6/9E/5, including cleaning and maintenance of tower basin, fills, nozzles, drift eliminators, fan/motor assembly, water distribution system, make-up water arrangement, blow-down arrangement and associated components. 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.03 e) Refrigeration and Control Devices: 02 Sets of control and protection devices, including expansion valves, thermostats, solenoid valves, HP/LP cut-outs, compressor protection/control devices, gauges, temperature controls and associated control components, including inspection, testing, calibration/adjustment and replacement of defective minor components wherever required. f) Condenser/Chilled Water Piping System: 01 Set of MS piping, complete with valves, pressure gauges, temperature gauges, strainers, fittings, supports and associated accessories, including inspection for leakage, corrosion, blockage and proper operation of valves and instruments. g) Air Distribution System: 01 Set of air-supply ducting system complete with grills, diffusers, dampers, flexible connections, insulation and associated accessories, including cleaning, inspection, leakage checking and adjustment/balancing of dampers as required. Existing heaters, wherever provided, shall also be checked and maintained. h) Electrical Control Panel – AC Plant: 01 Set of floor-mounted, cubical-type electrical control panel complete with main switch, MCCBs, MCBs, voltmeters, ammeters, starters, contactors, overload relays, indication lamps, control wiring, protection devices and associated accessories, including cleaning, tightening of connections, inspection, testing and maintenance. 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

1.04 i) Electrical Control Panel – Associated Equipment: 01 Set of floor-mounted, cubical-type electrical control panel complete with main switches, MCCBs, MCBs, voltmeters, ammeters, starters, contactors, overload relays, indication lamps, control wiring and associated accessories for the connected AC plant equipment, including inspection, testing, cleaning, tightening and maintenance. The comprehensive maintenance shall further include regular inspection and servicing of all mechanical, electrical, refrigeration, plumbing, instrumentation and control components associated with the above system; cleaning of equipment and accessible components; checking of refrigerant and system operating parameters; checking and maintenance of electrical connections and protections; lubrication of moving parts; checking of pumps, motors, compressors, fans, blowers, cooling towers and AHUs; checking of water circulation and drainage arrangements; and attending to all minor defects and operational deficiencies to ensure reliable and efficient operation of the complete air-conditioning plant. All necessary tools, tackles, testing instruments, consumables, lubricants, cleaning materials, manpower and other resources required for carrying out the comprehensive maintenance and operation shall be deemed to be included in the quoted rate, unless specifically excluded in the tender conditions. The entire work shall be carried out by qualified and experienced HVAC technicians and electricians, following the manufacturer's recommendations and applicable safety practices, and shall be complete in all respects as specified and as directed by the Engineer-in-Charge. 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

6 Material and labour for preparation of old painted surfaces of Water Cooler of any capacity by thoroughly scraping and removing the existing loose/peeling paint, cleaning and preparing the surface, applying one coat of red oxide primer followed by two coats of synthetic enamel paint by spray painting on the external surfaces, matching the existing colour, and applying black colour paint to the bottom portion including compressor and other applicable components, complete all as specified and directed. 16 Each Job 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

14 Supplying, fixing and testing a new fan blade suitable for Water Cooler of any capacity, including careful removal of the existing/unserviceable fan blade, fixing and proper balancing/alignment of the new fan blade, complete all as specified and directed by the Engineer-in-Charge. 8 Each 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

21 Supplying and fixing in reapirs a new thermostat switch suitable for Split-Type Air-Conditioner of 1.0/1.5/2.0 TR capacity, including necessary wiring/connections, adjustment and testing, complete all as specified and directed. 12 Each 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

29 Supply and fixing in repair of 15 mm bore push cock/lifting cock for Water Cooler of any capacity making necessary connections, testing for leakage and satisfactory operation, complete all as specified and directed. 10 Each 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

35 Supply and fixing in repairs remote handset with sensor suitable for Split-Type Air-Conditioner of 1.5/2.0 TR capacity, including testing and checking for proper operation, complete all as specified and directed. 10 Each 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

43 Supply & fixing in repairs of false ceiling made out of 600x600x 4 mm thick (non asbestos fiber cement designer/coloured) ceiling board / tiles deep panel as per sample, Complete all as specified and directed by Engineer-in-Charge. 85 Sqm 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

53 Rewinding of unserviceable 3-phase, 50 Hz, 415 V, 10.0 HP electric motor of condenser/chilled-water pump set, complete in all respects, comprising the following: (i) Disconnecting and removing the electric motor from its installed position, including loading, unloading and transportation to the approved workshop. (ii) Removing the existing burnt/damaged winding from the motor, cleaning and preparing the stator, and rewinding with super-enamelled copper winding wire of the existing gauge, including all necessary insulating materials such as insulation paper, sleeves, insulating tape, varnish, etc., suitable for Class ‘F’ insulation, including baking, varnishing and testing of the rewound motor as required. (iii) Transporting the rewound motor back to the site, reinstalling it in its original position, including alignment, coupling, electrical connections and reconnection of associated water-pump connections, as applicable; commissioning and testing the motor/pump set continuously for 8 hours to verify RPM, current, voltage, vibration, temperature rise and smooth and satisfactory performance, complete all as specified and directed. Note: Any damage caused to the motor, pump, equipment or other property during dismantling, handling, transportation, repairing, installation or testing shall be made good by the contractor without any extra cost to the Department. 2 Each Job 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

65 Taking down the existing unserviceable aluminium rectangular grille of any type and make and supplying and fixing a new aluminium rectangular fresh-air/return-air grille, complete with wooden frame made of second-class hardwood, volume control damper, gasket and all necessary connecting accessories, including proper fixing, alignment and finishing, complete all as specified and directed. 22 Each 0 Excess(+) Full Conversion INR 1.02 Construction of chamber for 100mm sluice plates item2 213 Nos

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