Military Engineer Services Tender
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Military Engineer Services - MES Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date2 Nov 2024
Closing Date5 Dec 2024
Tender Amount₹ 8,00,000
Costs
EMD
₹ 16,000Document Cost
₹ 500Tender Fee
Refer Documents
Summary
Repair Maintenance Of Central Air Cooling System At Vayusena Nagar Nagpur
Description
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Contact
Tender Id
2024_MES_682179_1Bid Award Id
ViewTender No
8696Tender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://defproc.gov.in
GEM & Bid Advisory Services
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Documents
BOQ Items
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Supply only spare parts required for motor/ pump set of capacity 30/25 HP vide sr item No.1 as follows:- a) Supply only shaft of AHU Motor any make any size as per exiting motor at site of capacty 25/35HP complete.
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b) Supply only check nut including gasket
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c) Supply only bearing exiting site requirement fitted in motor complete Make : SKF/Timker/NSK/URB
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Material and labour for preparation of old painted surface of pump installation by removing all dirt, dust, grease, oil etc and painting complete with two coats of synthetic enamel paint for spray painting including writing MES No of approved colour over a coat of red-oxide primer on air blower motor /blower stand / and floor of ambient chamber , water pump icluding motor of capacity upto 35 HP Including 0.5 HP water pump complete all as specified and directed.
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Material and labour for Dismantling of existing defective/unsv motor of following capacity HP, three phase/Single phase , 415 V, 50 Hz, from the foundation, disconnecting the electric connection, coupling pulley, transportation to work shop, seperating the stator and rotor assembly ,cutting down and removing existing burnt out copper windings, cleaning of slots and rewinding of stator with super enamelled solid copper conductor (winding wire) of appropriate gauge and size to match with the existing winding motor so as to acheive desired RPM , including varnishing, drying, ovening, overhauling, greasing, provising insualtion and reassembling stator and rotor , connecting coils/ winding in star and delta mode at the junction box/terminal , fixing in the same position, making necessary electric connection and testing of induction motor complete all as specified and as directed.
(a) 0.5 up to 1 HP
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(b) 30/ 25 HP
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Taking down u/s and Supply and fix industrial Exhaust fan axial flow motor with blade and frame heavy duty industrial exhaust fan (36 inch/ with IP 55 specification, rigid frame with rubber mounting for silent operation epoxy powder coated and better resistance to corrosion and scid alkali fumes , totally enclosed highly efficient heavy duty copper motor including testing of motor with suitable copper wire winding ,incl refixing of exhaust fan motor with blade and frame, AC, volts, Heavy duty and blades 36 inch sweep, suitable for air washer plant complete all as specified and as directed.
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Taking down U/S & Supply & fixing V belt cat part MN 30 for capacity of 30000 to 40000 cfm blower motor suitable for the existing plant size 32/20 Make: Mitsuboshi/ Dunlop/ Poly-F
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Supply & install Blower pully as per existing blower capacity fitted in site for air washer ambiator chamber including taking down old u/s pulley complete All as specified directed .
Note: Sample availabe as AGE E/M office
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Taking down U/S old nitrile insulation / glass insulation & supply and fix new Nitrile insulation 25 mm thick nitrile rubber sheet with suitable adhasive as per (manufacturer's instruction) of duct work fixed out side of duct/ inside duct and air washer chamber for weather proofing using 25 mm thick nitrile rubber sheet fixing with complete all as specified and all as directed. Note: (1) The cost of maintnence of Nitrile insulation patch occured during contract period shall deemed to be included in the quoted rate.
(2) The quoted rate shall deemed to be included cost of fixing of aluminium strip. Make : K-flex/Armacel/Suprem
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Suply and fix aluminium strip 25x3 mm thick by proving suitable support to fixing of nitrile insulation inisde/outside of AHU and duct for air washer plant Note: The cost shall be deemed to be included making holes in strip , nut bolts and washers etc complete all as specified and as directed,
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Taking down U/S and S&F short neck of duct connected with air diffuser with long type and complete fixing with air sealed diffuser for avoiding of noise and air leakge complete all as specified and as directed, Note : If found leakge or noise in the duct or plant the contractor has responsible to repair without any extra cost.
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Taking down U/S & supply and fix high performance plated panel or air pre-filters for central cooling system and general ventilation used as pre filtration made of GI /Aluminium construction having efficiency 90% down to 20 micron suitable for existing plant size of filter 60cmx60cm, having features low initial pressure drop, disposable,washable , maintenance free, compact design complete all as specified and as directed. (sample available as AGE E/M office) Make : Alpha Kel India/AAF Camfil/Freudenberg
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All as per item No 16 above but size of filter 30cmx30cm
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Material and labour for cleaning of rusted portion of duct and dust settled in existing duct & dampers in whole building where is passing of duct and Air all floors going from main duct to connected branch duct number unit duct and diffusers and open of AHU cleaning the portion & refixing the same plant by using suitable equipment or suction machine/compressor from AHU to neck duct complete all as specified and as directed.
Note: the quoted rate shall deemed to be included painting of rusted portion of duct with red oxide paint.
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Material and labour for Comprehensive maintenance /overhauling /repair of complete air washer ambiator chamber including necessary oiling/greasing , cleaning and realignment motor properly by technican of any motor aliignment with blower of existing plant of capacity 10000 to 40000 CFM Grease gun shall be used for greasing whenever necessary purpose complete all as specified and as directed. Make of Greasing : Castrol/ Lithium Grease/ Servo MP3 Note :(1) The materias for oil/ greasing including labour shall be provided by the contractor without any extra payment.
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Taking down U/S & supply and fixing aluminium grills for air supply made out of powder coated extruded aluminium grils adjustable type with variable angle and vertical & horizantal louvers and gap between louvers should be 25 mm with volume controls dampers complete all as specified and as directed.
Make:Aircon Airiqpment/Mapro/Air flow Note : (a) Damage of aluminium grill fitted in site including cutting of wall and POP work shall deemed to be included the quoted rate .
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Taking down U/S Cellulose or celldek pads and supply and fix new consists for cellulose wood fibres in paper form . having high quality standard and posses on efficiency of more than 85% as per site all as directed. (sample available as AGE E/M office) Make Hutek/Munters/DRI Note : Contractor should be noted that only damaged portion is to be changed.
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Supply only grease suitable for pump bearings
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Taking out U/S & supply and fix ball Bearing for blower shaft fitted in site for air washer ambiator chamber complete all as specified and directed. (sample available as AGE E/M office) NOTE -:1) the cost of opening of blower drum & shaft including all types of nut,bolt,washer,packing etc and after replacing the bearing fixing the same inside the air washer ambiator chamber complete shall deemed to be included in quoted rate.
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Takin down U/S & supply & install motor pulley as per existing motor capacity fitted at site for air washer ambiator chamber complete all as specified directed.(Sample availabe as AGE E/M office)
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Taking down u/s exhaust fan heavy duty of size 36 " and removing old unsv copper winding , re-winding the same with existing gauage copper wire winding complete including testing after rewinding and repainting with existing colour and refixing in original position complete all as specified and directed.
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Taking down u/s and Supply and fix MCB 4 pole 63 amps, breaking capacity 10 KA, confirming to IEC60947-2, 415 volts, 50 Hz including making necessary incoming and out going electrical connection with suitable size of copper lugs etc complete all as specified and directed.
Make : Legrand Cat No. 408702 / Siemens/ schneider/ L & T
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Taking out unservicable & supply and fixing MCCB 4 pole 200 amp , breaking capacity 36 KA, 415 volts, 50 Hz confirming to IEC60947-2 including necessary incoming and out going electric connection with suitable size of copper lugs etc. Make : Legrand Cat No 408702 / Siemens/ schneider/ L & T (Ckt Breaker Easy pact cvss250 f ,Thermal magnetic TM- d trip unit 4p 3d)
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Taking down U/S Air cooler ambient chamber tray (tray size sample availble at site) and M & L for air cooler ambient chamber tray by using 2 mm thick GI Sheet including necessary cutting ,welding fabricating etc for complete tray/portion of tray etc required for fabrication and tightining of door handle and damage any door handle to replaced the same complete all as specified directed
Note 1) The quoted rate shall deemed to be included cost for suitable arrangemnt for welding machine , electric arrangemnet / gas cyclinder .
Note 2) The quoted rate shall deemed to be included cost for dismantling of pre air filter, water pump , water piping and cellulose pads from water cooler tray and refixing of the same after rectification of leakage and completely leak proof arrangementof tray all as specified and as directed. If any air filter / celluose pads damaged during execution , the same shall be rectify by the contractor with any extras payment.
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Taking out u/s and supply and fix PVC insulated 1100 volt grade heavy duty cable multistranded copper conductor and connectinf upt o the e;ectrical system of size 4 sqmm 3 core complete all as specified and directed.
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All as per item No 29 above but of size 2.5 sqmm 3 core
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Taking out unserviceable control burnt wiring including unserviceable spares from control panel of central air cooling duct and M & L for repair, relaying and new electrical interlocking wiring of LT panel of air cooling System control wiring with FRLS copper wire of existing size including all connected lugs, cable, fuses complete all as specified and directed . NOTES :- (i) The cost of minor spares required including connector, lugs, wire/cable, fuses as required is deemed to be included in the quoted rate.
(ii) Spares parts incorporated during repairing of the electric panel will be measured and paid separately under relevant items.
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Supply only RYB indicator Make : Schneider/ L&T/ Siemens
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Supply only voltmeter CTs 0-500 Volt Digital type Make : Schneider/ L&T/ Siemens
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Supply only Amp meter CTs 0-300 Amps Make : Schneider/ L&T/ Siemens
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Supply only over laod relay range 0.2-15 A Make: Make : Schneider/ L&T/ Siemens
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Supply only Auxillary contactor 2 NO-2 NC Make : Schneider/ L&T/ Siemens
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Supply only on delay timer 0.2 to 60 second Make : Schneider/ L&T/ Siemens
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Supply only push button start/ stop Make : Schneider/ L&T/ Siemens
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Supply only red indication Make : Schneider/ L&T/ Siemens
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Supply only yellow indication LED neon bulb Make : Schneider/ L&T/ Siemens
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Supply only green indication LED neon bulb Make : Schneider/L&T/Siemens
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Supply only selector switch 1 pole 2 way Make : Schneider/L&T/Siemens
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Taking down u/s and supply and fix 4 sqmm copper wire for internal wiring single core FRLS Make : Finolex/Polycab/Havells
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Taking down u/s and supply and fix suitable size copper lugs/thimble fitted in motor Make : Schneider/L&T/Siemens
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Supply only Add on 2 NO - 02 NC M MCX 9-80/MO 9-110 Make : Schneider/L&T/Siemens
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Supply only spreader link kit Make : Schneider/L&T/Siemens
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Supply, Installation, testing & commissioning of Galvanized-Class VIII with zinc coating of 120 gm / Sqmt surface area as per IS-277. With TDF/TDC Flange system with factory fabricated box section with neoprene rubber gaskets of thickness to match the dimensions of the ducts shall be used for connecting two ducts.(The Minimum duct Gauge should be of 20 Gauge only.)
Duct construction and installation shall be in accordance with Standards and all ducts testing pressure should be 500 Pascal. (pa)
The Duct shall be supported with GI steel Rods & MS angle Supports at regular intervals.
Ducts should be factory fabricated & transportation should be in box section only to site. At site the duct needs to be stored in proper manner & covered with polythene sheets to avoid dust accumulation.
The guages sutable as per size of 18/20 guages.
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Taking out unserviceable & S &F MCCB 4 pole 100 amp, breaking capacity 16 Ka, 415 volts, 50 Hz including necessary incoming and out going electric connection with suitable size of copper lugs etc complete all as specified and directed.
Make- Schneider, L&T/ Siemens
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Supply only Power contactor 3 pole 415V AC type 32A MNX 50, Make : L&T Cat No. ST19001 or equivalent in Siemens/ C&S/ Schneider/ Siemens
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All as per item No 49 above but 16A MNX 50, Make : L&T Cat No. ST19001 or equivalent in Siemens/ C&S/ Schneider/ Siemens
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Supply only electronic type ET 100 with time range 0 to 60 second, 360 Volt -
Make : L&T Cat No 3 Each Q1748 or equivalent in Siemens, C&S/ Schneider/ Siemens
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Taking out u/s and supply and fix PVC insulated 1100 volt grade heavy duty cable multistranded copper conductor and connecting panel to Exhust fan to the electrical system of size 4 sqmm 3 core complete all as specified Make- Policab, Hevels, Fenolex
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Taking down U/s and supply and fix Push Button Remote Kit Make- Schneider/L&T/ Siemens
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Taking down U/S & dismenteling of canvash Airwaisher to Duct supply and fix high performance Double layered Feixible canvash Duct to Airwaisher Make- Resistoflex, donlop Aircon,Airequipment
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Disconnecting, dismantling and removing central shaft of air handling units of central Air cooling system of any capacity and any make for repair, transporting to the work shop, opening up for repairs carry out the repairs, of shaft including re-metalling, turning, brazing and polishing work of AHU shaft of any size, cleaning, greasing and overhauling incld replacement of unserviceable/worn out ball bearing and other minor spares, reassembling after repairs, bringing back to its location fixing in original position, connecting instt, and testing on full load capacity and commissioning to the entire satisfaction of Engr in charge. Note : Unit rate quoted by tenderers shall deem to incl for nuts, bolts, washers , lugs, thimbles, wires and petty items required for efficient and smooth functioning of the equipment without any extra cost to the Deptt.
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Charges for attending break down of Centrai Air cooling system of capacity 1000CFM to 40000CFM by technical person or team fault finding including attending repairs as and when required such as No start condition of Air cooling system and repairing, starting the Air cooling system till smooth running and setting up the alignment/required parameters of all major parts such as fan belt, Motor ,exhaust fan power contactor, starter, MCCBs, control panel, pumps etc as required in ground/as ordered by EIC complete all as specified and as directed.
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Supply, Installation and Testing of multi -blade type key operated louver dampers of galvanised steel sheet for collars to be provided with suitable links, levers and quadrants for manual control of volume of air flow and for proper balancing of the air distribution system as per the approved shop drawings and specifications.
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Supply & fix in repair ultra violet UV barrel of size approx 12 inch in length (as exting at air washer) including addn/alteration of necessary cutting ,welding & connection of pipe complete all as directed by Eng-In-charge.
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