CWE/AF AMB/AMB-42/2022-23 REPAIR/MAINT OF CENTRAL AIR CONDITIONING PLANT INCLUDING MISC ITEMS IN ZONE A, ZONE B and ZONE C AT AF STN AMBALA UNDER GE (AF) AMBALA

Amount

Preventive, Comprehensive & Periodical maintenance/ Breakdown maintenance of Water cooled scroll chiller plant of Capacity 3x52TR/3x50TR, checking serviceability of the parts of Microprocessor Based Control Panel such as microcontroller cards, sensors, relays, contactor, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc. and descaling of condensor with suitable descaling chemical complete all as specified & directed. Location: Darin-II and NGLGK Make: Blue Star, Model No: XWC4S-052AR2

Preventive, Comprehensive & Periodical maintenance/ Breakdown maintenance of Water cooled scroll chiller plant of Capacity 3x37.7TR, checking serviceability of the parts of Microprocessor Based Control Panel such as microcontroller cards, sensors, relays, contactor, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc.and descaling of condensor with suitable descaling chemical complete all as specified & directed. Location: ATC Make: Blue Star, Model No: XWC3S-039AR2

Preventive, Comprehensive & Periodical maintenance/ Breakdown maintenance of Water cooled scroll chiller plant of Capacity 3x25TR, checking serviceability of the parts of Microprocessor Based Control Panel such as microcontroller cards, sensors, relays, contactor, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc. and descaling of condensor with suitable descaling chemical complete all as specified & directed. Location: Base Ops, MCW, ESC Bay, Storage III WSA Make: Blue Star, Model No: XWC2S-026AR2

Preventive, Comprehensive & Periodical maintenance/ Breakdown maintenance of Water cooled scroll chiller plant of Capacity 3x25TR, checking serviceability of the parts of Microprocessor Based Control Panel such as microcontroller cards, sensors, relays, contactor, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc. and descaling condensor with suitable descaling chemical complete all as specified & directed. Location: Second line service building Make: Voltas, Model No: WCUDS-027DMN

Preventive, Comprehensive & Periodical maintenance/ Breakdown maintenance of Water cooled scroll chiller plant of Capacity 3x12.5TR, checking serviceability of the parts of Microprocessor Based Control Panel such as microcontroller cards, sensors, relays, contactor, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc. and descaling of condensor with suitable descaling chemical complete all as specified & directed. Location: Storage I & II Make: Voltas, Model No: WCUDS-014DMN1X1

Notes for BOQ item No. 1.00 to 5.00 here-in-before:- (i) The descaling chemical should be non corrosive and non polluting in nature and safe to handle. Descaling chemical compound is RXSOL-41-8865-25. Makes of Desclaing chemical compound are Scalebreak/Vizag chemical/Chemtex/West india chemical. (ii) The job includes all three units, condensers & cleaning and re-assembling the complete plant after necessary maintenance and shall be measured as one Job.. (iii) Restarting and Maintaining of the required /desired Parameters should be provided by the contractor. (iv) All the cleaning equipment i.e brush, cotton clothes, nuts, bolts of CI washers etc as required of suitable sizes are included in quoted rates. (v) Date wise record of stage passing register maintained when servicing of each unit of each plant alongwith consumable used in each unit to be maintained dully signed by Contractor, JE & Engineer-in-charge.

Preventive, Comprehensive & Periodical maintenance/ Breakdown maintenance of Air cooled scroll chiller plant of Capacity 2x37.7TR, checking serviceability of the parts of Microprocessor Based Control Panel such as microcontroller cards, sensors, relays, contactor, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc. and cleaning of condensor coil, servicing of condensor fan motor of chiller plant complete all as specified & directed. Location: Jaguar Simulator Make: Blue star Model No. XAC3S-036MA

Preventive, Comprehensive & Periodical maintenance/ Breakdown maintenance of Air cooled scroll chiller plant of Capacity 3x24TR, checking serviceability of the parts of Microprocessor Based Control Panel such as microcontroller cards, sensors, relays, contactor, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc. and cleaning of condensor coil, servicing of condensor fan motor of chiller plant complete all as specified & directed. Location: WWR Storage IV & V Make: Blue star Model No. XAC2S-024MA

Notes for BOQ item No. 1.00 to 7.00 here-in-before:- (A) The maintenance services shall be carried out through OEM i.e. Voltas or Blue star or Daikin. The Contractor shall submit a MoU signed by OEM on stamp paper duly notarized, as per performa specified here-in-after from OEM before commencement of work, failing which the contract will be liable to be cancelled and work shall be got executed at the risk & cost of the Contractor. (B) Contractor will arrange OEM visits quarterly (i.e. 4 Nos. visit during contract period) for inspection and servicing as under:- (i) Checking the functioning of chiller units & its internal controls. (ii) Free replacing of defective and/worn out parts with new or repaired parts for compressor/thermostats/cut outs based on OEM’s assessment in chiller. (iii) Repairing of chiller at site or any part need to repair at OEM’s service station if required. (iv) De-scaling of condensers based on OEM assessment and working parameters of the chiller. (v) Replenishing refrigerant gas in the system arising out of system defect. (vi) Checking of compressor for its proper working.

Notes for BOQ item No. 1.00 to 7.00 here-in-before(contd.../-):- (vii) Checking of microprocessor control panel, control boards of chillers unit for their correctness and replace or repair if necessary. (C) Any breakdown intimated shall be attended within 48 hours failing which contractor shall be liable for a penalty of Rs. 2000.00 for every 24hrs beyond initial 48hours. (D) The maintenance shall run for the entire period of contract from the date of commencement of contract and during this period the smooth funcitoning of plant is responsibility of contractor. (E) If any defect/problem found in chillers during the Pre-inspection/handing over it will be rectified by contractor through OEM without any extra cost. (F) Spare parts, compressor oil, refregerant shall be measured & paid separetely. Cost of minor part which are not catered here-in-after is deemed to be included in the quoted rates (G) The taking down of old unserviceable spare parts deemed to be included in quoted rates unless otherwise specifically not mentioned here-in-after. (H) Detection of leakage of refrigerant and remedial action to stop such leakage deemed to be included in quoted rates.

M&L in replacement of existing Micro-processor Based Control panel of Make Blue Star Air cooled chiller plant Model No: XAC2S-024MA with R-22/407C refrigerant based Scroll type of 25.1TR Capacity complete in all respect with all electrical switchgear including undermentioned accessories complete all as specified & directed. (i) MCB 'C' series, 50Amp: 02 Nos. (ii) Motor protection device and Single phase preventer VSP-3 : 02 Nos. (iii) Relay (iv) Sensing transformer : 02 Nos. (v) Contactor MNX50 : 02 Nos.(Make of contactor/switch gear : L&T, Siemens, Schneider) (vi) Current transformer 100 Amp / 05: 02 Nos. (vii) Printed Circuit Board(PCB) with Display Unit : 01 No. Location: WWR Building / Base OPS Make: Blue Star, Voltas, Daikin

M&L in replacement of existing Micro-processor Based Control panel of Make Blue Star Water cooled chiller plant Model No: XWC4S-052AR2 with R-22/407C refrigerant based Scroll type of 50/52TR Capacity complete in all respect with all electrical switchgear including undermentioned accessories complete all as specified & directed. (i) MCB 'C' series, 50Amp: 04 Nos. (ii) Motor protection device and Single phase preventer VSP-3 : 04 Nos. (iii) Relay (iv) Sensing transformer : 04 Nos. (v) Contactor MNX50 : 04 Nos.(Make of contactor/switch gear : L&T, Siemens, Schneider) (vi) Current transformer 100 Amp / 05: 04 Nos. (vii) Printed Circuit Board(PCB) with Display Unit : 01 No. Location: NGLGK/Darin-II Make: Blue Star, Voltas, Daikin

M&L in replacement of existing Micro-processor Based Control panel of Make Blue Star Water cooled chiller plant Model No: XWC3S-039AR2 with R-22/407C refrigerant based Scroll type of 37.7TR Capacity complete in all respect with all electrical switchgear including undermentioned accessories complete all as specified & directed. (i) MCB 'C' series, 50Amp: 03 Nos. (ii) Motor protection device and Single phase preventer VSP-3 : 03 Nos. (iii) Relay (iv) Sensing transformer : 03 Nos. (v) Contactor MNX50 : 03 Nos. (vi) Current transformer 100 Amp / 05: 03 Nos. (vii) Printed Circuit Board(PCB) with Display Unit : 01 No. Location: ATC Make: Blue Star, Voltas, Daikin

Notes for BOQ item No. 8.00 to 10.00:- (A) The job includes replacement of complete internal and outer micorcontroller cards and display to achieve following conditions as undermentioned. Micro-processor Based Controller shall be as per following specification:- (i) Local Mode: Start/Stop through touch screen. (ii) Equalization of Compressor Runtime. (iii) Micro-processor Control should ensure equal run time of compressor. (iv) Safety and Protection (v) Motor Protection Device : Protects Chiller from ►Phase Unbalance ►Phase Loss ►Phase Reversal ►Overload ►Underload (vi) Voltage Protection Device : Protects Chiller from ►Phase Loss ►Phase Reversal

Notes for BOQ item No. 8.00 to 10.00 (continued):- (vii) Additional Safety Features : Protects System from ►Freezing ►Low Pressure ► Anti-recycle ►Low Chilled Water Temperature ►High Pressure ►Sensor Error ►Low Water flow in Condenser, (B) Cost of replacement of Field Devices, Chilled Water Inlet Sensor and Outlet Sensor with their mounting and fixing accessories and High Pressure and Low Pressure Cut off switches of Make : Danfos/Indfos deemed to be included in the quoted rate. (C) Cost of the control panel wiring included in the quoted rate.

Supply & Installation of Glycerin filled Analogue pressure gauge with gauge cock, having following specification complete all as specified & directed:- (i) Pressure Gauge; Case & Bazel Ring : SS - 304 (ii) Snap action Bayonet type (iii) Bourdon & Movement : SS - 304 (iv) Pressure Element : SS - 316 (v) Ambient Temp: 10°C ~ 45°C (vi) Socket : SS - 304 (vii) Window : Toughened Glass (viii) Mounting : Bottom Center (ix) Accuracy Class: 1.6 as per EN 837-1. (x) Nominal dia size: 100 mm. (xi) Pointer: Not adjustable, Aluminum Black. (xii) Gauge Cock: Gauge cock should be in stainless steel with threaded connection suitable for nominal pressure of 16 Bar. (xiii) Connection size : 1/4" BSP. Make : Dwyer / Forbes Marshall / Warrie / Wika

Supply & Installation of Thermometer, case and bezel moc shall be cast aluminum 304, weather proof as per IP-65. Immersion length around 200 mm, Connection 1/2" BSP with SS-304 thermowell dully filled with glycerin/equivalent complete all as specified & directed.

Supply, Installation, Testing and Commissioning of Automatic Purge Valve, MOC shall be of Brass and Plastic Cap shall be provided on the Outlet to shut the air vent when not in use. There shall be check valve at the bottom to seal the system when the Auto Air vent is removed for servicing. Auto Air Vent shall be installed on all High Points in the water piping system to automatically remove the trapped air. 3/8" BSP suitable for maximum operating pressure at 10 Bar complete all as specified & directed. Make: Rapid Control, Anergy, Zoloto

S&F water flow switch of model HFS -25 complete all as specified & directed.

Supply, installation, testing & commisioning of Compressor-scroll type, 380 to 400volt, 3 phase, 50 HZ, thermally protected, Lubricant mineral oil-160P, Refigerant type R-22/407C of Capacity-12.5TR(nominal cooling capacity at 50Hz, 41.4 Kilowatt) complete all as specified & directed. Make: Danfoss(Model No: SM185S4RC) or equivalent model of Daikin, Copeland, Emerson, Carrier Note: (i)The compressor should be installed by the authorised company's refrigerant mechanic. (ii)After successful installation, the compressor should be vaccumed by the nitrogen at desired pressure and leakage should be checked. (iii)The rate of first charge of refrigerant gas in the compressor deemed to be included in quoted rates.

S&F Expansion Valve with fixed orifice suitable for every type of Refrigeration and Air Conditioning plants of existing makes and complete all as specified & directed. Make: Danfoss (Cat Part No- TGEX 11 TR R22/407C) or equivalent model of Indfoss, Sporlon, Alco

S&F Liquid line Filter drier/Drier core Filter as existing complete all as specified & directed. Make: Danfoss Cat Part No-DCL-305 or equivalent model of Indfoss, Sporlon, Alco

S&F LWT/EWT (Leaving water temp and Entering water temp) sensors with probe as per the plant capacity alongwith minimum 6mtr of suitable core of copper cable as per existing size complete all as specified & directed. Make: Danfoss, Invotec, ABB, Indfoss

S&F angle valves 1/4" x1/4" complete all as specified & directed.

S&F Crank case heater for Scroll Compressor (11 TR to 13.1 TR) complete all as specified & directed.

S&F Safety Valve complete all as specified & directed.

S&F HRC fuse with holder, 20Amp-40Amps, 415volt complete all as specified & directed

Supply & filling/Top up of Compressor oil, non freezing as per existing make or as recommended by OEM in AC plant including vaccum testing complete all as specified & directed. Notes :-(i) Oil shall be brought by the contractor at Site from authorised dealer/ manufacturer company in sealed canes of standard packing with test certificate and purchase Vouchers (ii) Filling shall be done in the presence of Engineer-in-charge.

Supply & charging of Refrigerant Gas R-407C in plant using N2 gas and flushing the complete system thoroughly with nitrogen gas including pressure test complete all as specified & directed.

Supply & charging of Refrigerant Gas R-410A in plant using N2 gas and flushing the complete system thoroughly with nitrogen gas including pressure test complete all as specified & directed.

Supply & charging of Refrigerant Gas R-22 in plant using N2 gas and flushing the complete system thoroughly with nitrogen gas including pressure test complete all as specified & directed. Notes for BOQ item No. 24.00 to 26.00 :- (a) Gas to be brought by the contractor at site from the authorised dealer/manufacturer and shall be in company's sealed cylinder and empty cylinders shall be returned to the contractor. (b) The unit rate quoted are inclusive of the cost of Nitrogen/CO2 gas used for leakage test and pressure test prior to filling/charging of gas.

Supply only Refrigerant Gas R-22 in sealed cylinder complete all as specified & directed.

Supply only Refrigerant Gas R-407C/410A in sealed cylinder complete all as specified & directed.

Supply only Nitrogen gas in sealed cylinders of 10 Kgs gas having pressure rating of 90PSI of each cylinder for checking of leakage in all refrigerant piping and compressors complete all as specified & directed. Notes for BOQ item No. 27.00 to 29.00 (a) Gas to be brought by the contractor at MES Store from the authorised dealer/manufacturer and shall be in company's sealed cylinder alongwith purchase vouchers. (b) Empty Cylinders shall be returned to contractor after completion of contract.

M&L periodical servicing of AHUs capacity 6000 CFM to 10000 CFM by opening air filter, nut bolts, tray for AHU including cleaning of air filter panel, cleaning of cooling coil by coil cleaner solution and high pressure water and rectified refrigerant leakage in cooling coil complete with brazing and soldering, opening and disconnectning of AHU motor from blower room checking seviceability fan, pulley, fan belt and oiling /greasing complete, replacement of unserviciable vibrating pads/spring inside of AHU for equal air flow from blower to difuser of any type/capacity blower complete all as specified & directed.

M&L periodical servicing of AHUs of capacity more than 12000CFM by opening air filter, nut bolts, tray for AHU including cleaning of air filter panel, cleaning of cooling coil by coil cleaner solution and high pressure water and rectified refrigerant leakage in cooling coil complete with brazing and soldering, opening and disconnectning of AHU motor from blower room checking seviceability of shaft, fan, pulley, fan belt and oiling /greasing complete, replacement of unserviciable vibrating pads/spring inside of AHU for equal air flow from blower to difuser of any type/capacity blower complete all as specified & directed.

M&L Rewinding of AHU's electric motor of Capacity 15HP to 20HP three phase 415 volts by removing old unserceable burnt copper winding wire, cleaning of slots and insertion of insulating paper in the slots in appropriate size and rewinding with super enameled copper wire of suitable size alongwith insertion of superior quality of insulating material, winding, varnishing and drying, including dismantling of electric motors connections and refixing back after rewinding, replacement of connection plate and making necessary electric connection and testing complete all as specified & directed.

Description all as per BOQ item No. 32.00 here-in-before but Capacity 5HP to 10HP.

Description all as per BOQ item No. 32.00 here-in-before but Capacity 2HP to 3HP.

Supply, installation, testing & Commissioning in replacement 50mm dia electronic, self balancing, pressure independent type dynamic balancing valve with integrated modualating control valves in a single body. The actuator shall be capable of accepting upto 10volt DC and upto 20mA electric signal and shall provide similar transduced feedback output to control system. Maximum close off pressure shall not be less than 6Bar for upto 50mm valves and not be less than 7Bar for 65mm & above. Valves should have pressure rating of 25Bar minimum. Valve & Actuator combination should be able to give logarithmic control characteristics to achieve linear control.The valve shall have manual override facility & the scope shall include proportionate thermostat, transformer as required and wiring for interconnection with 1.5sqmm copper conductor multicore armoured cable complete all as specified & directed. Make:Honeywell, Siemens, Danfoss

S&F in replacement Pre fine Air filters panel of size 20 x 20 x 2 inch for dust filtration of particles up to 5microns at 99% efficiency having air velocity through the filter Approx 350 to 400 FPM complete all as specified & directed. Make : Zenith filters, AFI, Spectrum, Asian filters

Servicing of cooling tower of varying capacity 15TR to 50TR AC Plant, Dismantling of cooling tower for removing of top cover and replacement of PVC Frills and unserviceable nozzle, replacement of rusted nuts, bolts with washers etc and cleaning bottom tank to remove mud and dust complete all as specified & directed. Note:- Spare parts i.e. float valve, PVC Nozzels shall be measured & paid separately.

Description all as per BOQ item No. 37.00 here-in-before but Capacity more than 50TR.

M&L Rewinding of electric Fan motor of different cooling towers of Capacity 2HP to 5HP, three phase 415 volts by removing old unserviceable burnt copper winding wire, cleaning of slots and insertion of insulating paper in the slots in appropriate size and rewinding with super enameled copper wire ISI marked of suitable size alongwith insertion of superior quality of insulating material, winding, varnishing and drying, including dismantling of electric motors connections and refixing back after rewinding including replacement of connection plate and making necessary electric connection and testing complete all as specified & directed.

S&F in replacement triple layer ISI marked rotational molded polyethylene water storage tanks (Cylindrical vertical with closed top) hoisted and fixed in position of Capacity 5000 liters complete all as specified & directed.

S&F in repair Galvanized wire mesh with wire of 1.40 mm dia, mesh size not less than 25 mm fixed on cooling tower by nut/bolts etc. complete all as specified & directed.

S&F in repair PVC float valve assembly 25/20mm complete all as specified & directed.

S&F in repair PVC Nozzles as per existing complete all as specified & directed.

M&L Water Hydra/Sprinkler for Cooling tower of capacity 15TR to 50TR AC Plant by dismantling of cooling tower electric motor and disconnecting all PVC Nozzles from hydra and taking dwon & replacement of the same as per existing size/model hydra for suitable water flow by pvc nozzles with replacement of rusted nuts, bolts with washers etc complete all as specified & directed. Make: Delta, Mihir, Advance

Description all as per BOQ item No. 44.00 here-in-before but capacity more than 50TR.

S&F in replacement multi blade propeller Fan of cooling tower having capacity of 15TR to 50TR . The fan blade construction MOC should be aluminium alloy/FRP as per existing at site complete all as specified & directed. Note: Sample shall be taken from site.

S&F in replacement Drift eliminator of cooling tower having capacity of 50TR to 75TR as per existing at site complete all as specified & directed.

M&L in replacement of PVC Fill blocks of size 600mm X 300mm X 150mm complete all as specified & directed.

S&F in replacement of Air Cooled condensor fan of size 660mm complete all as specified & directed. AC plant model No- XAC3S-036MA/XAC2S-024MA Make: Delta, Blue star, Voltas

M&L in replacement MS Pipe heavy grade of size 200mm bore with all fittings, welding, testings etc. laid in floors or fixed to walls and ceilings etc of sizes including providing two coats of anti corrosive paint over & including one coat of primers on external surfaces of pipes complete all as specified & directed.

Description all as per BOQ item No. 50.00 here-in-before but size 150mm bore.

Description all as per BOQ item No. 50.00 here-in-before but size 100mm bore.

Description all as per BOQ item No. 50.00 here-in-before but size 80mm bore.

M&L in replacement GI pipe 50mm bore medium grade ISI marked with all fittings laid in floors or fixed to walls and ceilings etc complete all as specified & directed.

Description all as per BOQ item No. 54.00 here-in-before but 40mm bore.

Description all as per BOQ item No. 54.00 here-in-before but 25mm bore.

Description all as per BOQ item No. 54.00 here-in-before but 20mm bore.

Supply, fixing & testing in replacement butterfly valve (Manual) size 150mm with CI body SS Disc, insulated, Nitrile Rubber Seal & O Ring PN 16 pressure rating for chilled water/hot heater circulation complete all as specified & directed.

Description all as per BOQ item No. 58.00 here-in-before but size 100mm.

Description all as per BOQ item No. 58.00 here-in-before but size 80mm.

Description all as per BOQ item No. 58.00 here-in-before but size 50mm/40mm.

S&F in replacement Non return valve, size 150mm with dual plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation complete all as specified & directed.

Description all as per BOQ item No. 62.00 here-in-before but size 100mm.

Description all as per BOQ item No. 62.00 here-in-before but size 80mm.

Description all as per BOQ item No. 62.00 here-in-before but size 50mm/40mm.

S&F in replacement Y-Strainer size 150mm of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation complete all as specified & directed.

Description all as per BOQ item No. 66.00 here-in-before but size 100mm.

S&F in replacement of Gun Metal gate valve ISI marked including cutting / threading and welding to existing GI pipe of size 50mm dia complete all as specified & directed.

Description all as per BOQ item No. 68.00 here-in-before but size 40mm dia.

Description all as per BOQ item No. 68.00 here-in-before but size 25mm dia.

Description all as per BOQ item No. 68.00 here-in-before but size 20mm dia.

M&L Rewinding of Condensor and Chilled water electric motor of capacity 7.5HP to 12.5HP, three phase 415 volts by removing old unserviceable burnt copper winding wire, cleaning of slots and insertion of insulating paper in the slots in appropriate size and rewinding with super enameled copper wire ISI marked of suitable size alongwith insertion of superior quality of insulating material, winding, varnishing and drying, including dismantling of electric motors connections and refixing back after rewinding, replacement of connection plate and making necessary electric connection and testing complete all as specified & directed.

Description all as per BOQ item No. 72.00 here-in-before but capacity 3HP to 5HP.

Decoupling of Monoblock Pump from electric motor, dismantling from the foundation and shifting to local workshop for repair/overhauling of monoblock pumping set capacity 7.5HP to 12.5HP (Condensor and Chilled water Pump) taking out impeller bush bearing shaft stuffing box reassembling the same after replacing the defective parts & carrying out the necessary repair remetalling turning polishing the pump shaft replacement including replacement of steel studs and unserviceable nuts and bolts repair/replacement of ball bearing impellor stuffing box greasing etc and testing on completion and commisioning and installation at site complete all as specified & directed. Notes:- (i) The complete job includes making good the existing pumps water leakage proof. (ii) Cost of the Spare parts except GM bush, Impeller, stuffing box and ball bearing shall deemed to be included in the quoted rate.

S&F bearing for 7.5HP to 12.5HP pumpsets complete all as specified & directed. Make:- SKF, NBC, NRB

S&F Bronze/GM Impeller of pumpset of capacity 7.5HP to 12.5HP complete all as specified & directed. Make: Kirlosker, KSB, CRI

S&F Stuffing box alongwith pressure plate and hexa nuts studds etc required for Gland packing and Pump shaft as per existing make pumpset of capacity 7.5HP to 12.5HP complete all as specified & directed.

S&F Gun metal Bush of pumpset of capacity 7.5HP to 12.5HP complete all as specified & directed.

Decoupling of Monoblock Pump from electric motor, dismantling from the foundation and shifting to local workshop for repair/overhauling of monoblock pumping set capacity 3HP to 5HP (Condensor and Chilled water Pump) taking out impeller bush bearing shaft stuffing box reassembling the same after replacing the defective parts & carrying out the necessary repair remetalling turning polishing the pump shaft replacement including replacement of steel studs and unserviceable nuts and bolts repair/replacement of ball bearing impellor stuffing box greasing etc and testing on completion and commisioning and installation at site complete all as specified & directed. Notes:- (i) The complete job includes making good the existing pumps water leakage proof. (ii) Cost of the Spare parts except GM bush, Impeller, stuffing box and ball bearing shall deemed to be included in the quoted rate.

S&F bearing for 3HP to 5HP pumpsets complete all as specified & directed. Make:- SKF, NBC, NRB

S&F Bronze/GM Impeller of pumpset of capacity 3HP to 5HP complete all as specified & directed. Make: Kirlosker, KSB, CRI

S&F Stuffing box alongwith pressure plate and hexa nuts studds etc required for Gland packing and Pump shaft as per existing make pumpset of capacity 3HP to 5HP complete all as specified & directed.

S&F Gun metal Bush of pumpset of capacity 3HP to 5HP complete all as specified & directed.

S&F in replacement gland packing for Monoblock pumpset/Centrifugal end suction pumpset of capacity 3HP to 15HP as per existing make complete all as specified & directed.

M&L attending day to day complaints pertains to AC plant of any capacity as and when required with skilled Refregeration Mechanic/Electrician & helper alongwith necessary T&P for checking the equipment at existing location and find out the faults/defects and rectify the defects in situ and cleaning/normal maintenance to the equipments (including Lugs wire phase preventer, nuts, bolts etc as required on site) complete to make the equipment functional in all respect complete all as specified & directed. Note : (i) Spare parts shall be measured and paid separately except minor items like thimbles/lugs wire etc. (ii) Taking out/down & fixing of new spare parts included in quoted rates unless otherwise specifically not mentioned here-in-after.

Supply only Single phase preventer system of supply 415Volt, 50Hz Model VSP2 of Make Minilec or equivalent of L&T/ABB complete all as specified & directed

Supply only Auxiliary contactor MNX A-2 for 415volt 10Amps for contactor 25Amp complete all as specified & directed. Make: L&T, Havells, Legrand

Supply only Contactor MNX 25-40 Amp complete all as specified & directed Make: L&T, Havells, Legrand

Supply only Contactor MNX 50-70 Amp complete all as specified & directed Make: L&T, Havells, Legrand

Supply only Contactor MNX-18 Amp complete all as specified & directed Make: L&T, Havells, Legrand

Supply only Side mounting add-on block with Aux contact 1NO+1NC suitable for MNX- 9 to 40Amp contactor of complete all as specified & directed. Make: L&T, Havells, Legrand

Supply only Electronic timers type ET-100,110/240 volt, 50 Hz complete all as specified & directed. Make: BCH, L&T, ABB, Siemens

Supply only Timer GT-200 complete with coil voltage 220Volt complete all as specified & directed. Make: BCH, L&T, ABB, Siemens

Supply only Overload relay 6 to 10 Amps, 3 pole, directly operated complete all as specified & directed. Make: BCH, L&T, ABB, Siemens

Supply only Overload Relay 9 to 14 Amp 3 pole, directly operated complete all as specified & directed. Make: BCH, L&T, ABB, Siemens

Supply only Overload Relay 20 to 32 Amp 3 pole, directly operated complete all as specified & directed. Make: BCH, L&T, ABB, Siemens

Supply only Overload Relay 28 to 42 Amp 3 pole, directly operated complete all as specified & directed. Make: BCH, L&T, ABB, Siemens

Supply only Toggle switch SPST 10 Amps complete all as specified & directed. Make: KAYCEEL, L&T , Secure, Schneider, Legrand

Supply only Voltmeter 0-500volt digital type, complete all as specified & directed. Make: AE, Crompton Greaves, Secure, Schneider, Legrand

Supply only Ammeter 0-100Amps digital type, complete all as specified & directed. Make: AE, Crompton Greaves, Secure, Schneider, Legrand

Supply only MCB 25 Amp to 63 Amp triple pole complete all as specified & directed.

Supply only MCB 16 Amp to 32 Amp, triple pole neutral complete all as specified & directed.

Supply only MCB 40 Amp to 100 Amps, triple pole neutral complete all as specified & directed.

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 250Amp, 415Volt, four pole, 36 KA complete all as specified & directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 200 Amps, 415Volt, four pole, 36 KA complete all as specified & directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 160 Amps, 415Volt, four pole, 36 KA complete all as specified & directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 125 Amps, 415Volt, four pole, 16 KA complete all as specified & directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 100 Amps, 415Volt, four pole, 16 KA complete all as specified & directed

Supply only MPCB, thermal magnetic release and adjustable setting of capacity 9 to 13 Amps, 415Volt, three pole, 25 KA complete all as specified & directed Make: Schneider, ABB, Havells, L&T

Supply only MPCB, thermal magnetic release and adjustable setting of capacity 11 to 17 Amps, 415Volt, three pole, 20 KA complete all as specified & directed Make: Schneider, ABB, Havells, L&T

M&L in replacement PVC insulated, Armoured, shielded , multistranded copper conductor cable for instrumentation having signal capacity of (4-20)mA/24VAC/24VDC of size 01 sqmm 4 core including saddles,& screws with laying in & including MS conduit 25mm bore light grade perfectly complete all as specified & directed.

S&F in replacement of complete set of Heating Element 220/380 Volts or required for 63Kilowatt Hot water generator complete all as specified & directed..

S&F in replacement of Electric Strip Heaters 3 Kilowatt capacity ISI marked complete all as specified & directed.

M&L in replacement to Suction/Discharge valve of Teflon sheet ‘O’ ring etc complete all as specified & directed.

M&L in replacement for providing Thermal Insulation to supply air ducts /return air ducts with 32 mm thick , EPDM rubber with factory laminated glass cloth 7mil, 200 GSM sheet, Use adhesive fevicol SR 998, Joint should be sealed with tape of at least 2" wide (Standard type ) and finished with Coating of Fevicol AC Duct king lag coating AF: 5590 and finally finish with UV resistance paint as per client choice complete all as specified & directed. Make: Mattur Beardsell, Toshiba, Capricorn, Styrene Package, UP Twiga, Aeroflex

S&F in replacement Pin up Display Board of wooden of size 3x2 feet made of engineered wood and Oak finished frame, fasten to the walls securely and simply with heavy duty factory installed mounting system alongwith 50 pins complete to pin-up the Fire safety orders, SOP, Standing orders for the AC plants complete all as specified & directed.

Supply, installation, testing & commisioning of centrifugal pump suitable for 7.5HP electric motor, Bronze/SS impeller, GM bushes, stuffing box and making all connection with existing condensor and chiller system complete with all accessories/pipe fittings including taking down of existing pump and making connections to starter complete all as specified & directed.

Supply, installation, testing & commisioning of Monoblock pump set of motor's capacity 2/3 HP electric motor 3 phase 415 Volt, IE3 and making all connection with existing condesor and chiller system complete with all accessories/pipe fittings including taking down of existing pump and making connections to starter complete all as specified & directed.

Supply, installation, testing & commisioning of electric motor of capacity 7.5HP for prime mover of pumpset, 3 phase 415 Volt, IE3 and making all connection with existing condesor and chiller system complete with all accessories/pipe fittings including taking down of existing electric motor and making connections to starter complete all as specified & directed.

Description all as per BOQ item No. 120.00 here-in-before but capacity 5HP.

Description all as per BOQ item No. 120.00 here-in-before but capacity 1/2HP.

S&F Electrical insulating rubber mat of size ( 2mtr x 1mtr x 3mm ) tested for LT voltage 1100 volts complete all as specified & directed.

M&L for Spray painting to Central AC Plant complete comprising of compressors, motors, condensor, cooling tower and cooling tower pumps, pump / monoblocks, MS/GI pipe lines of sizes etc after preparation of old painted surface as per colour code including and marking arrow, SM/ MES Nos, colour for 11 to 100TR ACs plant complete all as specified & directed.

S&F V-Belt of size A-50/54/65/81, B-47/56/59/70/72/75/76/78/80/82/90/94/101/102/103, C-107 complete all as specified & directed. Make: Fenner, Dunlop, Aircorn

S&F in replacement Outdoor fan of Package type AC plant of capacity 17TR, suitable for Plant of Make-Bluestar, Model No-DPA2163R3-I. The MOC of the fan blade shall be FRP type complete all as specified & directed. Make: Blue star, Voltas, Daikin

S&F in replacement Outdoor fan of Package type AC plant of capacity 11TR, suitable for Plant of Make-Bluestar, Model No-DPA1441R3-I. The MOC of the fan blade shall be FRP type complete all as specified & directed. Make: Blue star, Voltas, Daikin

M&L for descaling and cleaning of tubes of condenser (Heat Exchanger) unit, tube of central AC plant including opening and refixing in original position all as required at site for shell and tube condensor unit of Package type AC plant by using proper descaling solution by suitable size of drill rod, wire brush, cleaning by circulating pressure water by pressure pumps till the complete deposits/scale is removed as ordered, replacement of packing gasket, nuts, bolts with washer of both ends of condensor complete all as specified & directed.

S&F, testing & installation of Duct mounted Temperature and RH transmitter with digital display complete all as specified & directed.. Make: Invotec, Honeywell, Danfoss, Siemens

M&L for writing SM/MES No. with suitable Paint/color (as approved) on the AC (window/Split type), Coolers/Desert coolers, Water Coolers etc in possession of MES complete all as specified & directed. Note: Contractor shall deploy his painter who will approach the user with the permission of department and shall write SM/MES No. and quoted rate deemed to be included the cost of visit of deployed painter to user.

S&F in replacement balancing valve of size 80mm with built in flow measuring facility with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled/hot water circulation complete all as specified & directed. Make:Honeywell, Siemens, Danfoss

Description all as per BOQ item No. 131.00 here-in-above but size 50mm.

For Credit Schedule, refer tender documents. The amount of credit schedule shall be deducted from total quoted amount of BOQ to arrive contract sum.

SHRI RAMSONS PROJECTS CORPORATION