Military Engineer Services Tender
Karnataka, also known as Karunadu, is a state in the southwestern region of India. Karnataka was formed originally as Mysore State on 1st November 1956 and currently is the biggest state in south India. Its capital and largest city is Bengaluru. It covers an area of 191,791 km2 (74,051 sq mi) and is the sixth largest state by area comprising 31 districts. Karnataka is also a state of multiple languages; Kannada being the official and most widely spoken language in Karnataka. Other languages spoken in the state include Tamil, Telugu, Malayalam, Kodava, Konkani and much more.Karnataka tenders are issued by the government of Karnataka, public & private sector organisations. The state government issues majority of the Karnataka tenders, which are for goods and services including construction, road and bridge construction, IT services, engineering services, medical services, educational services amongst many others. Bidassist is one of the largest eprocurement portals, which offers all government tenders from across the world in one place. Bidassist offers information on all Karnataka tenders and other state and authority tenders in no time. Bidassist is a platform where users can look for various Karnataka tenders as well as other tenders.
Military Engineer Services - MES Tender
Electrical and Electronics
Electrical Works
Eprocure
Opening Date15 Dec 2023
Closing Date18 Jan 2024
Tender Amount₹ 16,00,000
Costs
EMD
₹ 32,000Document Cost
₹ 500Tender Fee
Refer Documents
Description
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Contact
Tender Id
2023_MES_632901_1Bid Award Id
ViewTender No
87423CWEAFNBANTender Authority
Military Engineer Services ViewPurchaser Address
-Website
http://http://mes.gov.in/
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Documents
BOQ Items
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(c) Strainer suction assembly
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(d) Oil Pump Assembly
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(e) Bearing bush
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(f) Oil filter
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(g) 'O' Ring set
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(h) Gasket set
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(j) Connecting rod
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(k) Ball bearing 3207
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(l) Gudgen pin
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(m) Suction & Discharge valve reeds
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(n) Magnetic Strainer
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M&L in replacement of 3 Way mixing valves of size 100 mm with modulating actuator with companion flanges, nuts, bolts, washers and gaskets etc.all as specified and directed ‐ MAKE OF VALVE: JCI/DANFOSS/HONEYWELL/ BELIMO/ANERGY.
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M&L for dismantling of electric driven induction motor of capacity up to 2 HP 230 volt, single phase 50 HZ of various AHUs for exhaust air of 2X120TR AC Plant repairs and servicing shifting to local work shop taking out the burnt windings, cleaning of slots and rewinding the same with copper winding wire of existing gauge and quantity heating applying shellac varnish to the windings, replacing insulating materials as required baking up and assembling back including replacing the bearings bushes using hydraulic pressure all as specified and directed.
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All as per Item No 16 above but for motor of capacity 7.5 HP 380/415 volt, 3 phase 50 HZ of condenser water pump set of 2x120TR AC Plant complete all as specified and as directed.
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All as per Item No 16 above but for motor of capacity 12.5 HP 380/415 volt, 3 phase 50 HZof Chilled water pump set of 2x120TR AC Plant.complete all as specified and as directed.
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M&L in replacement electric driven induction motor as per existing make of capacity 1 HP 230 volt, single phase 50 HZ of various AHUs for exhaust air of 2X120TR AC Plant complete all as specified and as directed.
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M&L in replacement electric driven induction motor as per existing make of capacity 5 HP 430 volt, 3 phase 50 HZ ofCooling tower of 2X120TR AC Plant all as specified and directed.Make:Kirloskar
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M&L in replacement AHU Blower motor assembly with all the necessary fixing arrangments suitable for central AC plant capacity 2X120 TR all as specified and directed. Model No RDH 280 R.
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M&L for repair to chilled water Split casing pumpset of 12.5 HP for 2x120TR plant by disconnecting suction & discharge water lines and removing of electric connection, dismantling the U/S pumpset from MS foundation, opening the pump, remelting the shaft and filling of metal at decayed portions including all kind of machine works i.e. welding, turning, polishing etc as required to make the shaft of required shape and size, as original, balancing the shaft and refitting in pump body replacement of Cushy foot anti vibration pad with and incl carrying out complete repair / replacement /servicing of damaged parts i.e. bearings bush, gland plate, gland packing, coupling cleaning of impeller assembly etc and reassembling the pump after greasing of moving parts and reinstallation of the pump with motor in original location using new MS stud, nut, bolt, washer and other packing material etc; checking the alignment; reconnecting the suction and delivery pipes, testing and commissioning for smooth operation complete all as specified and directed.
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All as per Item No 22 above but of Condenser water Split casing pump set of capacity 7.5 HP complete all as specified and directed.
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M & L for dismantling the side cover of existing cooling tower carefully without damaging the other portion of cooling tower removing unserviceable PVC frills (130 Nos) carefully from cooling tower, and fix new PVC frills for cooling tower of 2x120 TR capacity including replacement of unserviceable bolts and Nuts etc of supporting media all as specified and directed.
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M & L for descaling the condensers units of AC Plant capacity 2x120 TR after dismantling the inlet and out let of water/refrigerant gas connections and circulating descaling HCL acid/chemical with help of external pump, brushing the condenser tubes removing the scale neutralizing the base of tubes by circulating neutralizing agent replacement of rubber gasket for the end covers of the condenser removing the dummies connecting the water pipe line /refrigerant connections, removing the air,including refilling the removed refregerant(R 134a) gas, leak testing checking gas pressure and testing complete all as specified and as directed.
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M & L for servicing of chilled Water cooled type cooling coil of AHUs of capacity 2400 to 3200 CFM/26-39GPM including cleaning of complete AHU and cooling coil with necessary chemicals/caustic soda liquid of required quantity, and giving final water wash and refixing the same, cleaning and drying of suction/disharge filters,blower and all accessories including replacement of connected canvas cloth of existing type between AHU and duct all as specified and directed.
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All as per Item No 26 here-in-above but for AHUs of capacity 3500 to 9800 CFM/52-96 GPM of chilled Water cooled type.
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M & L for disconnecting & Dismantling the old Power cables, Circuit wiring and controlling accessories like MCCBs, Contactors, relays and timers from the existing panel board of 120TR capacity AC plant, replacing the power cables and circuit wiring with 10 sq mm and 4 Sq mm stranded copper cables including repairs/ replacing Contactors, timers and Relays all as specified and directed. (Note:- Contactor ML1.5, ML 2, ML 3, Timers and relays will be measured and paid separately under respective items of schedule.)
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M&L for removing of worn out portion of AC duct by cutting carefully the existing insulation,providing new portion of duct ,bend to shape , made out of 24 guage PGI sheet ,fixing revitting , providing insulation of same size & type of existing insulation and to be matched with existing surface complete all as specified and directed. Note : M&L for insulation work shall be measured & paid under relevant item of BOQ of this schedule.
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S & F in replacement of power contactor of 6.3-9 Amp 415V AC rating, 03 pole, with 2NO+2NC Aux Contacts, 415V, with and including taking down of unserviceable contactor and making all electric connection, complete all as specified and directed. Make Siemens/Schneider/L&T
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All as per srl item No 30 here-in-above but for 32 Amps capacity.
Make Siemens/Schneider/L&T
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All as per srl item No 30 here-in-above but 25 Amps capacity.
Make Siemens/ Schneider/L&T
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S & F in replacement Power contactor with in built conventional coil 230v/415v of Compressor motor starter of Cap upto 195/225 A type for 2x120TR AC Plant complete all as specified and directed.Make Siemens/Schneider/L&T
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S & F in replacement Power contactor with in built conventional coil 230v/415v of Compressor motor starter of Cap upto 140/150 A type for 2x120TR AC Plant complete all as specified and directed.Make Siemens/Schneider/L&T
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S & F in replacement of over load relay as per existing make, range 20-32 Amps, direct / separate mounting on contactors, as required, with and incl taking down of unserviceable relay and making all electric connection, complete all as specified and directed.
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All as per srl item No 35 here-in-above but for 12-16 Amps capacity.
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All as per srl item No 35 here-in-above but for 6-10 Amps capacity.
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S & F in replacement of phase failure relay 3 Ph 415V 6-32A as existing type with high voltage, low voltage and neutral fail protection, complete all as specified and directed. Make Siemens/Schneider/L&T
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S & F in replacement Moulded Case Circuit Breakers of 63A, 3 pole 415V 16 kA Fixed Thermal & Fixed Magnetic setting for Motor starter control mains complete all as specified and directed.
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S & F inreplacement Moulded Case Circuit Breakers 3 pole 415V 100A 16 kA Fixed Thermal & Fixed Magnetic settingfor LT panel control mains complete all as specified and directed.
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S & F in replacement push button, projecting head (push function) type, for controling the motors starters of cooling tower/water pumps etc complete all as specified and directed.
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S & F in replacement of LED type indicator lamp of red/yellow/blue colour for phase indication, complete all as specified and directed.
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S & F in replacement of Condenser water pipe line of size 125 mm dia MS pipe of medium grade class 'B' black in colour all as specified and directed
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S & F in replacement of Condenser water pipe line of size 150 mm dia MS pipe of medium grade class 'B' black in colour all as specified and directed
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M&L for removing/cutting existing old rusted MS pipe line of size 125/150 mm to the required length and fixing new line in the existing position with necessary welding jointing fixing with suitable size/nos flanges, gaskets including bolts nuts washers complete on necessary quantity of PCC bed of suitable size and height and painting of pipes with two coats of synthetic enamel paint of existing colour over a coat of primer all as specified and directed.
Note: (i) Rates are deemed to be included for providing necessary PCC work (ii) length of new pipe will measured and paid seperately under relavant items
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S & F in replacement Cast Iron butter fly valve as per existing make, hand liver operated ISI marked, PN - 1.0 pressure grade, having Nitrile/EPDM/nylon rubber lining, SS stem, CS/SS disc, of size 125 mm dia bore including all jointing material i. e. nut, bolt, washer, packing material etc, duly insulated on fixing complete all as specified and directed.
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All as per sl item No 46 here-in-above but for 150 mm dia size.
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S & F in replacement of gun metal gate valve of 20 mm dia bore size with iron wheel head, screwed inside, non-rising stem, complete all as specified and directed.
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All as per srl item no 48 here-in-above but of 25 mm bore size.
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S & F in replacement of Air Vent valve, 20 mm dia ISI marked with and incl all fixing accessories, complete all as specified and directed.
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M & L for insulation for MS pipe of size 125/150 mm dia with PUF moulded type 40/50 mm thick with and incl applying bituminous compound and aluminium cladding with suitable gauge aluminium sheet with and incl taking down of old insulation and preparing of pipe surface by scratching / removing rust, dust and old paints etc with wire brush, emery paper, grinder etc and making surfaces smooth, complete all as specified and directed.
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M&L in replacement of Duct insulation for cold 19mm thick supreme Class I nitrile rubber for flange paramount adhesive insulation for rap 7 Mill Glass cloth for rapping star bond applying two times lag coating complete for supply air duct all as specified and directed.
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M&L for cleaning to FRP base of cooling tower 2x120 TR capacity by dismantling coupling cooling fan, draining out of water, removing algae, silt etc, cleaning & servicing of mechanical components and welding to cross members and frame bracing components incl repair/over hauling the complete transmission system of cooling tower and re-assembling all the dismantled components to its original position, complete all as specified and directed.
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M&L for applying one coat of primer and synthetic enameled spray paint of existing colour on 2x120TR Ac plants steel/iron surfaces of MS structurals,pipes ,motors, condensor inlet outlet pipeline incl preparing of surface by scratching / removing rust, dust and old paints etc with wire brush, emery paper, grinder etc and making surfaces smooth for achieving better grip between surface and primer, complete all as specified and directed.
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S & F in replacement aluminium sprinkler set assembly as in existing make/ type/size of FRP cooling tower suitable for 2x120 TR capacity including removing of unserviceable sprinkler set with fittings/fixtures complete all as specified and as directed.
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Supply and fixing in replacement solenoid valve as per existing make including brazing,welding work etc.Model No- OC155 suitable for 2x120TR AC plant all as specified and directed
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S & F in replacement of thermostatic expansion valve as per existing make including brazing and welding etc. Model No- 067N5185, complete all as specified and directed. Make- Danfos or equivalent.
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S & F water pressure gauge 0 - 10.6 kg and 4" dia ,as per existing make,suitable for condenser / Chiller water line including removing of old/unserviceable pressure gauge complete all as specified and as directed. Make: Danfoss/Emerald or equivalent
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S & F suction/ discharge/oil pressure gauge of 0-150 PSI equivalent in Kg/ Cu cm, as per existing make, suitable for central type AC plant including removing of old unserviceable pressure gauge complete all as specified and as directed.Make: Danfoss/Emerald or equivalent
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M&L for charging of refrigerant (R-134a) for 2x120TR plant all as specified and directed.
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S & F in replacement V belt A-61 all as specified and directed. Make Fenner or equivalent
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S & F in replacement V belt A-60 all as specified and directed. Make Fenner or equivalent
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S & F in replacement V belt A-43 all as specified and directed. Make Fenner or equivalent
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M&L for pressure testing and rectifying the leakages found in the system of 2x120 TR capacity including vacumizing and charging of the refrigerant gas to the desired pressure etc using nitrogen complete for satisfactory functioning all as specified and as directed. Note: Topping up of gas (R134a) if required will be measured and paid seperately in respective items
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S& F inreplacement synthetic rubber insulating mat of size 2mx1mx3mm all as specified and directed.
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M&L for servicing as in Preventive maintenance and repairs to centralised compressed air system to AFIDS consisting of reciprocating type air compressor with squirrel cage induction motor 3 phase 5 HP 2 Nos, compressed air receiver tank 500 litres capacity 1 No, cut out switches 2 nos, Air filter dryer, flow control valves for 16 Nos outlets distribution pipe line of 3/8" 1/2" & 3/4" dia complete including replacing of unserviceable spares, initial replacement of compressor oil and toping up as and when required basis, cleaning the complete system externally to keep the plant clean and tidy and satisfactory functioning through out the maintenance period to the entire satisfaction of Engr-in-Charge as and when ordered complete all as specified and directed.
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S & F in replacement DOL starter as in existing make, suitable for 5HP motor all as specified and directed .Make L & T/Havells/Standard
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S & F in replacement Air Pressure cut off switch as in existing make/type ,operates between 30-90 PSI for Air compressor plant fixed in replacement all as specified
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S & F in replacement Air filter as in existing make/size operates between 30-90 PSI for Air compressor plant all as specified and directed.
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M&L for complete cleaning of ducts by using HEPA filtered vaccum unit to create negative pressure in the duct system, by placing the same outside the occupied space by using variety of tools to agitate and loosen the dust, which shall be then drawn into the vaccum unit and contained therein. The cleaning should be done by using robotic video camera for cleaning the hard to reach areas, which are out of reach for most duct cleaning equipments. Access cutting can be made, if required and shall later be refitted with screw and sealant. All floors and furnishing where the work will be carried on shall be covered and complete care shall be taken to avoid any cross- contamination. Upon completition of work, the system shall be sanitized by fogging the ducts to ensure all mold and bacteria spores and foul smell is eradicated and the entire process shall be caried out with Air compressor with bib, pneumatic air whips and power jobs, Rotary brush Drum vaccum wit pipe, Negative machine HEPA and 10" hose pipe and Robo camera with control unit. All cleaning agents/ chemicals used shall be in accordance with the regulation and shall be certified for use in the respective system for the following AC Plants located at various location in CHAFB complete all as specified and directed by Engr-in Charge.
(a)Package type AC Plants
(i) Package type AC 2X8.5 TR Capacity (Location- CTVS OT)
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(ii) Package type AC 2X5.5 TR Capacity (Location - ART Centre)
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(iii) Package type AC 1X5 TR Capacity (Location - BMT Centre)
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(v) Package type AC 1X5.5 TR Capacity ( Location - CTVS OT Corridor)
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(b) Central ACPlant 2X120 TR Capacity (Location - Main OT Complex)
(i) AHU OT-1
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(ii) AHU OT-2
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(iii) AHU OT-3
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(iv) AHU OT-4
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(v) AHU OT-5
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(vi) AHU OT-6
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(vii) AHUPassage
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