REPAIR MAINT OF CENTRAL PACKAGE AC PLANT AND MISC ITEMS UNDER GE UTILITY AMBALA CANTT

Amount

Descaling the condenser by recommended chemical cleaning agent by soaking method, disconnecting condenser from the system, taking out nuts bolts, studs, 2 Nos valves and MS/GI pipe line from both side cover, cleaning each tube with nylon brush, flushing with alkaline solution connecting back both side cover including replacing leather gasket 4 mm thick suitable for AC plants installed as indicated below :-

Condenser at OT MH

Condenser at ICU MH

Condenser at Maternity ward

Cleaning of Air cooled Condenser by recommended chemical cleaning agent and with high pressure water machine as under:-

(a) Air cooled Condenser at Raina Auditorium

(b) Air cooled Condenser at Cold Storage MH

M&L for carry out leak test for the chiller type system by extracting the existing available gas from the system to separate cylinder storing and pressure testing the complete system with dry nitrogen and check the leaks , identifying the leaks, rectification of leaks by brazzing / welding at the leak points/replacing by damaged valve gland package / gasket etc, and after rectification of all the leaks pressure testing the complete system up to 300 PSI at high side , 200 PSI at low side of the system, holding the pressure for 24 hrs and vaccumising the complete system after releasing the dry nitrogen and charging the refrigerent gas to system and testing & comissioning the plant checking all controls for the 25 TR capacity of make : Voltas / Blue star, shell and condensers all as directed by Engineer-in-charge.(Loc- Maternity ward MH and ICU MH)

All as per Sl item No. 3.00 but capacity of 65 to 100 TR (Loc- OT MH and Raina Auditorium)

Carrying out repairs and Maintenance , attending to breakdown of 15 to 100 TR liquid/Air chiller central AC plant of Make : Voltas / Bluestar as per the following scope of the work given below including carrying out general repairs/ servicing to ensure smooth and trouble free operation of plants to the entire satisfaction of users/department all as directed by Engineer-in-charge.( Maternity/ICU/OT/Raina Auditorium).

Scope of Work : (a) Periodical monitoring / Inspecting the complete AC plant and carrying out preventive/ periodical maintenance to ensure smooth functioning of AC plant.The periodical inspection for preventive maintenance shall be carried out by technician/service engineer of OEM once in a quarter other than breakdown calls for monitoring the operational condition of AC plant including for preventive maintenance/breakdown calls whenever required. Each preventive maintenance & breakdown call if any will be measured Job. (b) Visual inspection for oil traces, Air heat exchanger (condenser) cleaning, check for removed protection devices, and improperly closed doors/ covers, check that the temperature difference between the heat exchange inlet and outlet is correct, check the refrigeration system, motors and starters for performance and healthy condition of plant. (c) Checking the system for leaks and rectification of leaks if any. (d) Taking a set of readings and evaluating the same to ensure the satisfactory performance of the plant. (e) Checking the refrigeration control system for operation and adjusting the settings as and when required. (f) General Cleaning the evaporator and condensing coils (g) General Lubrication of the bearings of motors, pumps and fans as and when required. (h) Inspection of belts, which includes adjusting the tension including replacment if required. (j) Filling only the refrigerant as a result of leak arising from the system due to standard wear and tear. (k) Repairing/ replacing the components of the equipment at site or at workshop as required (l) To check proper functioning of microprocessor and take control test. (m) Intimating any breakdown requiring specific major repairs/overhauling to the contractor/ department for immediate rectification of defect. (n) Attending the complaints/ breakdown whenever received by user /JE /Engineer in charge and attending the complaint for same within 24 hrs of receipt. (o) The repair/replacement of all spare parts like ICVC Boards, compressor / fan motor rewinding, electrical switch gears, contactors, PCB, refrigerant gas etc., are not in the scope. These items shall be measured and paid separately under relevant items. (p) Any minor spares/ repairs items which are required to keep the plant in operational are deemed to be included in scope.

M&L in replacement of existing Micro-processor Based Control panel of Make : Voltas complete in all respect with all electrical switchgear including MCB C-50A : 03 Nos, Motor protection device and Single phase preventer VSP-3 Make Minilec : 03 Nos, Relay, sensing transformer : 03 Nos, Contactor MNX50 : 03 Nos, CT 100 A / 05: 03 Nos , PCB with Display Unit : 01 Nos etc of the Voltas Air cooled chiller plant Cat Part No : ACDS070DPMN3X1 with R-22/407C refrigerant based Scroll type of 70 TR Capacity .The job includes replacement of complete internal and outer microcontroller cards and display to achieve following conditions as underlined :- (Make of contactor/switch gear : L&T / Siemens/Schneider : 1-Micro-processor Based Controller shall be as per following specification 2-Local Mode: Start / Stop through touch screen 3-Equalization of Compressor Runtime 4-Micro-processor Control should ensure equal run time of compressor 5-Safety and Protection 6-Motor Protection Device : Protects Chiller from ► Phase Unbalance ► Phase Loss ►Phase Reversal ► Overload ►Underload 7- Voltage Protection Device : Protects Chiller from ►Phase Loss ►Phase Reversal 8-Additional Safety Features : Protects System from ►Freezing ►Low Pressure ► Anti-recycle ►Low Chilled Water Temperature ►High Pressure ►Sensor Error ►Low Water flow in Condenser, Chiller Location: Raina Auditorium Note: (i) 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. (ii) Cost of the control panel wiring must be included in the quoted rate by the contractor.

M&L in replacement of existing Micro-processor Based Control panel of Make : Voltas complete in all respect with all electrical switchgear including MCB C-50A : 03 Nos, Motor protection device and Single phase preventer VSP-3 Make Minilec : 03 Nos, Relay, sensing transformer : 03 Nos, Contactor MNX50 : 03 Nos, CT 100 A / 05: 03 Nos , PCB with Display Unit : 01 Nos etc of the bluestar water cooled chiller plant Cat Part No : ACWCDS039DMN3X1 with R-22/407C refrigerant based Scroll type of 37.5 TR Capacity .The job includes replacement of complete internal and outer microcontroller cards and display to achieve following conditions as underlined :- (Make of contactor/switch gear : L&T / Siemens/Schneider : 1-Micro-processor Based Controller shall be as per following specification 2-Local Mode: Start / Stop through touch screen 3-Equalization of Compressor Runtime \4-Micro-processor Control should ensure equal run time of compressor 5-Safety and Protection 6-Motor Protection Device : Protects Chiller from ►Phase Unbalance ►Phase Loss ►Phase Reversal ►Overload ►Underload 7- Voltage Protection Device : Protects Chiller from ►Phase Loss ►Phase Reversal 8-Additional Safety Features : Protects System from ►Freezing ►Low Pressure ► Anti-recycle ►Low Chilled Water Temperature ►High Pressure ►Sensor Error ►Low Water flow in Condenser, Chiller Location: OT MH Note: 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. (ii) Cost of the control panel wiring must be included in the quoted rate by the contractor.

M&L in replacement of existing Micro-processor Based Control panel of Make : Voltas complete in all respect with all electrical switchgear including MCB C-50A : 01 Nos, Motor protection device and Single phase preventer VSP-3 Make Minilec : 01 Nos, Relay, sensing transformer : 03 Nos, Contactor MNX50 : 01 Nos, CT 100 A / 05: 01 Nos , PCB with Display Unit : 01 Nos etc of the bluestar water cooled chiller plant Cat Part No : WCDS-013DPMN1X1P with R-22/407C refrigerant based Scroll type of 12.5 TR Capacity .The job includes replacement of complete internal and outer microcontroller cards and display to achieve following conditions as underlined :- (Make of contactor/switch gear : L&T / Siemens/Schneider : 1-Micro-processor Based Controller shall be as per following specification 2-Local Mode: Start / Stop through touch screen 3-Equalization of Compressor Runtime 4-Micro-processor Control should ensure equal run time of compressor 5-Safety and Protection 6-Motor Protection Device : Protects Chiller from ►Phase Unbalance ►Phase Loss ►Phase Reversal ►Overload ►Underload 7- Voltage Protection Device : Protects Chiller from ►Phase Loss ►Phase Reversal 8-Additional Safety Features : Protects System from ►Freezing ►Low Pressure ► Anti-recycle ►Low Chilled Water Temperature ►High Pressure ►Sensor Error ►Low Water flow in Condenser, Chiller Location: ICU MH Note: 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. (ii) Cost of the control panel wiring internal/external deemed to be included in the quoted rate by the contractor.

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

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. Make : General Instrument / H Guru.

Supply, Installation, Testing and Commissioning of Automatic Purge Valve. 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. Make :Anergy

Supply and Fix water flow switch in repair of model HFS -25 Make: Synergy, Honeywell or equivalent .

Disconnecting from mains and Supply installation testing and commisioning of Compressor-scroll type ,380 to 400V, 3 phase, 50 HZ, Thermally protected ,Lubricant mineral oil-160P, Refigerant type R-22/407C of Cap-12.5TR(Nominal Cooling capacity at 50Hz, 41.1 KW) of Make- Danfoss(Model No: SM185S4RC)/ Daikin/Copeland/Emerson/Carrier complete all as specified and directed.

Disconnecting from mains and S & F in replacement of scroll compressor from the AC plant of Cap 23 TR, Installing and testing of company made Scroll Type compressor Model No. SZ380A4CBE Lubricant P.O.E 160 SZ suitable for Refrigerent 407C. Initially charging of Gas 407 and commisioning all as directed by Engg-in-Charge.

Disconnecting from mains and S & F in replacement of scroll compressor from the AC plant of Cap 5 TR, Installing and testing of company made Scroll Type compressor Model No. CR72KQM or equiv Lubricant P.O.E 160 SZ suitable for Refrigerent R22. Initially charging of Gas R22 and commisioning all as directed by Engg-in-Charge.

Disconnecting from mains and Taking out existing unserviceable compressor sealed unit from the split type AC of Cap 8.5 TR and Supply, Installing and testing of company made new compressor with 02 year gurantee including cleaning and removing dirt/dust from the cooling coil , condenser coil with necessary modification, cap tube etc. and charging of Gas F-22/R-34 and commosioning complete all as directed by Engr-in-Charge.

All as per Ser item No 16 here in before but split type AC of capacity 5.5 TR.

All as per Ser item No 16 here in before but split type AC of capacity 3 TR. Note for Item No.13 to 18: (i)The compressor should be installed by the OEM refrigerant mechanic. (ii)After successful installation, the compressor should be vacuum by the nitrogen at desired pressure and leakage test to be carried out. (iii)The rate of first charge of refrigerant gas in the compressor to be quoted in the rate of compressor by the contractor.

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

S & F in repair Liquid line Filter drier/Drier core Filter as existing complete all as specified and directed.Model: equivalent or as per existing. Make: Danfoss Cat Part No-DCL-305 or equivalent model as recommended by the Manufacturers.

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

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

S & F in repair of old u/s Crank case heater for Scroll Compressor (8.5 TR to 23 TR) complete all as specified and directed.

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

S & F for HRC fuse with holder, 20Amp-40Amps, 415 V Make: L&T, CE or as per sample as approved by GE complete all as specified and directed.

Supply and filling/Top up of Compressor oil, non freezing or as recommended by Blue Star/Voltas in AC plant including vaccum testing complete all as specified and as directed. Notes :-(i) Oil shall be brought by the contractor at Site from authorised dealer/ manufacture company in sealed canes of standard packing with test certificate and purchase Vrs. (ii) Re-filling shall be done in the presence of Engr-in-charge.

Supply and charging of Refrigerant Gas R-407C in plant after detections/rectification of any leakages in the system using N2 gas and flushing the complete system thoroughly with nitrogen gas including pressure test as specified and directed.

Supply and charging of Refrigerant Gas R-404 in plant after detections/rectification of any leakages in the system using N2 gas and flushing the complete system thoroughly with nitrogen gas including pressure test as specified and directed.

Supply and charging of Refrigerant Gas R-22 in plant after detections/rectification of any leakages in the system using N2 gas and flushing the complete system thoroughly with nitrogen gas including pressure test as specified and directed.

Supply only Refrigerant Gas R-22 in sealed cylinder

Supply only Refrigerant Gas R-407C/404 in sealed cylinder

Supply only Nitrogen gas in sealed cylinders (10 Kgs) of pressure rating of 90 psi of each cylinder for checking of leakage in all refrigerant piping and compressors (Empty Cylinders shall be returned to contractor after completion of contract) complete all as specified and as directed.

Note for 27 to 32 :- (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.

Material and labour for periodical servicing of AHUs capacity 6000 CFM to 12000 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 and directed.

M&L for Rewinding of electric motor of Cap 5HP-10 HP (AHUs Motor) three phase 415 volts by removing old u/s 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 along with 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 and directed. Make of winding wire : RR cabels/kEI/Havells

M&L for Rewinding of electric motor of Cap 2HP-3HP (AHUs Motor) three phase 415 volts by removing old u/s 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 along with 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 and directed. Make of winding wire : RR cabels/kEI/Havells

supply, installation and testing and Commissioning of 50 mm dia electronic, self balancing, pressure independent type dynamic balancing valve with integrated modulating control valves in a single body. The actuator shall be capable of accepting upto 10V 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 6 Bar for upto 50 mm valves and not be less than 7 Bar for 65 mm & above. Valves should have pressure rating of 25 Bar 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 1.5 sq.mm copper conductor multicore armoured cable complete as required. Make:Honeywell, Siemens, Danfoss etc.

Supply and replacement of Pre fine Air filters panel of size as per gound for dust filtration of particles up to 5 microns at 99% efficiency having air velocity through the filter Approx 350 to 400 FPM AHU of Make : Zenith filters or equivalent to AFI/Spectrum/Asian filters complete all as specified and directed.

Supply and replacement of Micro filters size as per ground for dust filtration of particles up to 5 microns at 99% efficiency having air volume through the filter Approx 3500 cum per hour AHU of Make : Zenith filters or equivalent to AFI/Spectrum/Asian filters complete all as specified and directed.

Material & labour for repair and servicing of cooling tower of varying capacity 15 TR to 50 TR capacity 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 and directed by Engineer-in-charge. Note:- Spare parts i.e. float valve, PVC Nozzels shall be measured and paid separately as supply only being fixing is inclusive in the rate quoted for this item.

Material & labour for repair and servicing of cooling tower of varying capacity more than 50 TR capacity 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 and directed by Engineer-in-charge. Note:- Spare parts i.e. float valve, PVC Nozzels shall be measured and paid separately as supply only being fixing is inclusive in the rate quoted for this item.

M&L for Rewinding of electric Fan motor of Cap 2HP-5HP (different cooling towers) three phase 415 volts by removing old u/s 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 along with 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 and directed.

Supply and 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 and as directed Make : Sintax/Plasto/Aashirwad.

S & F for 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 and directed.

Supply only PVC float valve assembly 25/20 mm complete all as specified and directed.

Supply only PVC Nozzles as per existing complete all as specified and directed.

Material & labour for replacement of Water Hydra/Sprinkler for Cooling tower of cap 15 TR to 50 TR capacity AC Plant by Dismantling of cooling tower electric motor and disconnecting all PVC Nozzles from hydra and 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 and directed by Engr-in-charge.

Material & labour for replacement of Water Hydra/Sprinkler for Cooling tower of cap more than 50 TRcapacity AC Plant by Dismantling of cooling tower electric motor and disconnecting all PVC Nozzles from hydra and 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 and directed by Engr-in-charge.

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

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

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

Supply and laying MS Pipe heavy grade of size 150mm bore with all fittings, welding, testings etc laid in floors or fixed to walls and ceilings etc including providing two coats of anti corrosive paint over a coat of primers on external surfaces of pipes and complete all as specifed and directed by the Engineer-in-Charge.

Supply and laying MS Pipe heavy grade of size 100mm bore with all fittings, welding, testings etc laid in floors or fixed to walls and ceilings etc including providing two coats of anti corrosive paint over a coat of primers on external surfaces of pipes and complete all as specifed and directed by the Engineer-in-Charge.

Supply and laying MS Pipe heavy grade of size 80mm bore with all fittings, welding, testings etc laid in floors or fixed to walls and ceilings etc including providing two coats of anti corrosive paint over a coat of primers on external surfaces of pipes and complete all as specifed and directed by the Engineer-in-Charge.

M&L for laying of GI pipe 50 mm bore medium grade ISI marked with all fittings complete all as specified and directed by Engineer-in-Charge.

M&L for laying of GI pipe 40 mm bore medium grade ISI marked with all fittings complete all as specified and directed by Engineer-in-Charge.

M&L for laying of GI pipe 25 mm bore medium grade ISI marked with all fittings complete all as specified and directed by Engineer-in-Charge.

M&L for laying of GI pipe 20 mm bore medium grade ISI marked with all fittings complete all as specified and directed by Engineer-in-Charge.

Supplying, fixing and testing new BUTTERFLY VALVE (MANUAL) size 150 mm with CI body SS Disc, insulated, Nitrile Rubber Seal & O Ring PN 16 pressure rating for chilled water/hot heater circulation as specified complete all as specified and directed :- (Make:- Castle/Zoloto/ Sant/Venus as approved by GE )

Supplying, fixing and testing new BUTTERFLY VALVE (MANUAL) size 100 mm with CI body SS Disc, insulated, Nitrile Rubber Seal & O Ring PN 16 pressure rating for chilled water/hot water heater circulation including takking down as specified complete all as specified and directed :-(Make:- Castle/Zoloto/ Sant/Venus as approved by GE )

Supplying, fixing and testing new BUTTERFLY VALVE (MANUAL) size 80 mm with CI body SS Disc, insulated, Nitrile Rubber Seal & O Ring PN 16 pressure rating for chilled water/hot water heater circulation including takking dow as specified complete all as specified and directed :- (Make:- Castle/Zoloto/ Sant/Venus as approved by GE )

Supplying, fixing and testing new BUTTERFLY VALVE (MANUAL) size 50/40 mm with CI body SS Disc, insulated, Nitrile Rubber Seal & O Ring PN 16 pressure rating for chilled water/hot water heater circulation including takking down as specified complete all as specified and directed :- (Make:- Castle/Zoloto/ Sant/Venus as approved by GE )

Supply and Fixing in replacement of NON RETURN VALVE of size 150 mm 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 and directed. Make : Audco / Honeywell / Intervalve/ KSB/VTM

Supply and Fixing in replacement of NON RETURN VALVE of size 100 mm 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 and directed. Make : Audco / Honeywell / Intervalve/ KSB/VTM

Supply and Fixing in replacement of NON RETURN VALVE of size 80 mm 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 and directed. Make : Audco / Honeywell / Intervalve/ KSB/VTM

Supply and Fixing in replacement of NON RETURN VALVE of size 50/40 mm 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 and directed. Make : Audco / Honeywell / Intervalve/ KSB/VTM

Supply and Fixing in replacement of Y - STRAINER of size 150mm of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation complete all as specified and directed.

Supply and Fixing in replacement of Y - STRAINER of size 100mm of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation complete all as specified and directed.

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

S & F in replacement of Gun Metal gate valve ISI marked including cutting / threading and welding of existing GI pipe of size 40 mm dia complete all as specified and directed.

S & F in replacement of Gun Metal gate valve ISI marked including cutting / threading and welding of existing GI pipe of size 25 mm dia complete all as specified and directed.

S & F in replacement of Gun Metal gate valve ISI marked including cutting / threading and welding of existing GI pipe of size 20 mm dia complete all as specified and directed.

M&L for Rewinding of electric motor of Cap 7.5HP- 12.5HP (Condensor and Chilled water Motor) three phase 415 volts by removing old u/s 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 along with 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 and directed.

M&L for Rewinding of electric motor of Cap 2HP-5HP (Condensor and Chilled water Motor) three phase 415 volts by removing old u/s 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 along with insertion of superior quality of insulating material,winding, varnishing and drying, including dismantling of electric motors connections and refixing back after rewinding including, of connection plate and making necessary electric connection and testing complete all as specified and directed.

Decoupling of Monoblock Pump from electric motor, dismantling from the foundation and shifting to local workshop for Repair/Overhauling of mono block pumping set 7.5 to 12.5 HP (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 and directed. Note:- (i) The complete job includes making good the existing pumps water leakage proof ,including gland/ packing etc. (ii) Cost of the Spare parts except GM bush, Impeller, stuffing box and ball bearing shall be included in the quoted rate by the contractorfor repair the pumpset. (iii) Spare parts like GM bush, impeller, stuffing box and Ball bearing shall be paid as supply only as labour item is inclusive in the rate quoted for this item.

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

S&F Bronze/GM Impeller of pumpset of cap 7.5 to 12.5 HP complete all as specified and directed.

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

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

Decoupling of Monoblock Pump from electric motor, dismantling from the foundation and shifting to local workshop for Repair/Overhauling of mono block pumping set 3 to 5 HP (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 and directed. Note:- (i) The complete job includes making good the existing pumps water leakage proof ,including gland/ packing etc. (ii) Cost of the Spare parts except GM bush, Impeller, stuffing box and ball bearing shall be included in the quoted rate by the contractorfor repair the pumpset. (iii) Spare parts like GM bush, impeller, stuffing box and Ball bearing shall be paid as supply only as labour item is inclusive in the rate quoted for this item.

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

S&F Bronze/GM Impeller of pumpset of cap 3 to 5 HP complete all as specified and directed.

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

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

Supply & fixing in replacement gland packing for Monoblock pumpset/Centrifugal end suction pumpset of capacity 2HP to 15HP; Make: As per existing and complete all as specified and directed-by Engrs-in-Charge.

M&L for attending day to day complaints pertains to AC plant of any capacity as and when required with skilled Ref-Mech/Electrician and helper, with 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 and directed by the Engr- in-Charge. Note : (i) Spare parts shall be measured and paid separately except minor items like thimbles/lugs wire etc.

Supply only Single phase preventer system of supply 415 Volt 50 Hz Model VSP2 of Make :- Minilec/ L&T/ ABB/ IndoAsian

Supply only Auxiliary contactor MNX A-2, for 415 volt 10 Amps for contactor 25 Amp of Make:- L&T/ Havells/ Legrand/ IndoAsian

Supply only Contactor MNX 25-40 Amp, of Make:- L&T/ Havells/ Legrand/ IndoAsian

Supply only Contactor MNX 50-70 Amp, of Make:- L&T/ Havells/ Legrand/ IndoAsian

Supply only Contactor MNX-18 Amp, of Make:- L&T/ Havells/ Legrand/ IndoAsian

Supply only Side mounting add-on block with Aux contact 1No+1Nc suitable for MNX- 9 to 40 contactor of Make L&T/ Havells/ Legrand/ IndoAsian

Supply only Electronic timers type ET-100,110/240 volt, 50 Hz Make : MICON/ L&T/ ABB/ IndoAsian

Supply only Timer GT-200 complete with coil voltage 220V. Make-BCH/L&T or equivalent complete all as specified and directed.

Supply only Overload relay 6 to 10 Amps 3 pole, directly operated. Make- L&T / BCH or equivalent complete all as specified and directed.

Supply only Overload Relay 9 to 14 Amp 3 pole, directly operated. Make- L&T / BCH or equivalent complete all as specified and directed.

Supply only Overload Relay 20 to 32 Amp 3 pole, directly operated. Make- L&T / BCH or equivalent complete all as specified and directed.

Supply only Overload Relay 28 to 42 Amp 3 pole, directly operated. Make- L&T / BCH or equivalent complete all as specified and directed.

Supply only Toggle switch SPST 10 Amps Make KAYCEEL / L&T or equivalent complete all as specified and directed.

Supply only Volt meter 0 – 500 V digital type, Make – AE /Crompton Greaves complete all as specified and directed.

Supply only Ammeter 0–100 Amps digital type, Make - AE/Crompton Greaves or equivalent complete all as specified and directed.

Supply only MCB 25 Amp to 63 Amp TP of Make-Schnider/L&T or equivalent complete all as specified and directed.

Supply only MCB of rating 16 Amp to 32 Amp, TPN of Make-Schnider/L&T complete all as specified and directed.

Supply only MCB of rating 40 Amp to 100 Amps, TPN of Make-Schnider/L&T complete all as specified and directed.

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 250 Amps, 415V, four pole, 36 KA of Make: Schneider/ABB/Havells/L&T complete all as specified and directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 200 Amps, 415V, four pole, 36 KA of Make: Schneider/ABB/Havells/L&T complete all as specified and directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 160 Amps, 415V, four pole, 36 KA of Make: Schneider/ABB/Havells/L&T complete all as specified and directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 125 Amps, 415V, four pole, 16 KA of Make: Schneider/ABB/Havells/L&T complete all as specified and directed

Supply only MCCB, adjustable thermal and adjustable magnetic setting of capacity 100 Amps, 415V, four pole, 16 KA of Make: Schneider/ABB/Havells/L&T complete all as specified and directed

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

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

M&L for PVC insulated, Armoured, shielded , multistranded copper conductor cable for instrumentation having signal capacity of (4-20)mA/24VAC/24VDC of size 1 sq mm 4 core including saddles,& screws with laying in M S conduit light grade of size 25 mm perfectly complete all as specified and directed. Make:-Havells/ Polycab/ Finolex

Supply and fix in replacement of Electric Strip Heaters 3.0 KW capacity ISI marked complete all as specified and directed.

Supply and fix in replacement of Electric Strip Heaters 1.5/ 2.0 KW capacity ISI marked complete all as specified and directed.

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

M & L for providing Thermal Insulation in replacement of old worn out 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 and directed. Make of EDPM rubber is Aeroflex and Make of Adhesive and lag coating is Fevicol.

S&F of Pin up Display Board of wooden of size 2X3 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 and directed.

Supply, installation, testing and commisioning of Centrifugal pump suitable for 5 to 7.5 HP 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 and making connections to starter and as specified and directed by Engr-in-Charge. Make:Kirloskar

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

Supply, installation, testing and commisioning of electric motor of capacity 7.5 HP for prime mover of pumpset ,3 phase 415 V, IE3 and making all connection with existing condesor and chiller system complete with all accessories/pipe fittings including taking down of existing and making connections to starter and as specified and directed by Engr-in-Charge. Make:Kirloskar,

Supply, installation, testing and commisioning of electric motor of capacity 5 HP for prime mover of pumpset , 3 phase 415 V, IE3 and making all connection with existing condesor and chiller system complete with all accessories/pipe fittings including taking down of existing and making connections to starter and as specified and directed by Engr-in-Charge. Make:Kirloskar,

Supply, installation, testing and commisioning of electric motor of capacity 2 HP to 3 HP for prime mover of pumpset , 3 phase 415 V, IE3 and making all connection with existing condesor and chiller system complete with all accessories/pipe fittings including taking down of existing and making connections to starter and as specified and directed by Engr-in-Charge. Make:Kirloskar,

S&F of Electrical insulating rubber mat of size ( 2 mtr X 1 mtr X 12 mm ) tested for LT voltage 1100 volts complete all as specified and directed by Enge-in-charge.

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 100 TR ACs plant as directed by the Engr-in- charge.

S & F for 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 Make- Fenn complete all as specified and directed.

S & F as in replacement of old u/s Outdoor fan of Package type AC plant of capacity 10 TR, suitable for Plant of Make-Bluestar, Model No-DPA1441R3-I. The MOC of the fan blade shall be FRP type complete all as specified and directed.

S&F testing and installation of Duct mounted Temperature and RH transmitter with digital display complete all as specified and directed by Engr in Charge. Make: Invotec/Honeywell/Danfoss.

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

S&F of BALANCING VALVE OF SIZE 80 mm WITH BUILT IN FLOW MEASURING FACILITY with C I body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified.

S&F of BALANCING VALVE OF SIZE 50 mm WITH BUILT IN FLOW MEASURING FACILITY with C I body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified.

Supply and Fixing of HEPA filter size 500x500x300 mm (NS) flanged type of aluminium construction having efficiency 99.97 % down to 0.3 micron incl taking down of damage filter complete all as specified and directed.

Supply and Fix in replacement HP/LP pressure cut out switch complete all as specified and as directed. Make : Indfoss/Honeywell/Daspass.

S&F by replacing old unscv with new high pressure switch (HP switch )up to 260 PSI No and 190PSI NC including removing of refrigerent in empty cylinder and checking of pressure testing leak testing vaccum the system of 700 micron charging the refrigerent in the system complete all as specified and as directed by the engr in charge Make:Danfoss

S&F by replacing old unscv with new low pressure switch (lP switch )up to 25 PSI No and 45PSI NC including removing of refrigerent in empty cylinder and checking of pressure testing leak testing vaccum the system of 700 micron charging the refrigerent in the system complete all as specified and as directed by the engr in charge Make:Danfoss

Supply,installation,testing and commissioning of cooling/heating thermostats(proportional thermostats) for various Air Handling units as by replacing old thermostats,per specifications incl al accessories, mountings,wiring between thermostat & unit ,terminations etc, complete in all respect as required and as per specifications.Complete all as specified and directed.make honeywell

Supply,installation,testing and commissioning of industrial Humidistat for various Air Handling units by replcing old unsv humidistat as per specifications incl al accessories, mountings,wiring between humidistat & unit ,terminations etc, complete all as specified and directed.make-honeywell

Supply anf Fix 0.5 HP pump in repair along with pvc tubing flexible pipe used for cleaning the plant of size 20 mm dia and length 20 m

Disconnecting from mains and complete overhauling of existing air compressor from the Air manifold system OT MH of Cap 225 litre,max working pressure 175 PSIG,size 457x1475 and hydraulic test pressure 290 PSIG and replacing of unserviceable and non functional parts with new items including piston, connecting rod, oil, greasing, oil strainer, air filter,inlet/outletvalve, suction/delivery pipe, gasket,crank,belt, repairing and Overhauling of 7.5 HP pump, 3 phase starter, vacuum pump, oil strainer and air filter, cable,silencer etc all as directed by Engg-in-Charge. Note- Replacement of parts rate included in the Quoated rate.

Cheking and testing of Complete oxygen gas supply line for leakage and rectify the defects by tighting the joint and minor repairs, at OT MH all as directed by Engr-in-Charge.

Supply and fix in replacement Manifiold NRV as per existing make & size/type.

Supply and fix in replacement Oxygen regulator as per existing make & size/type.

Supply and fix in replacement isolation valve 22 mm with fiting as per existing make & size/type.

Supply and fix in replacement Alarm line as per existing make & size/type.

Supply and fix in silver oxygen manifold flexible tail pipe of length 1 meter size 1/2 inch for N2O and O2 supply as per existing size

Disconnecting from mains and Taking out existing unserviceable Blower motor from the split type AC of Cap 8.5 TR and Supply, Installing and testing of company made new blow motor with 02 years gurantee including cleaning and removing dirt/dust from the cooling coil , condenser coil with necessary modification complete all as directed by Engr-in-Charge.

All as per Ser item No 146 here in before but for split type AC of capacity 5.5 TR.

S&F Branch header pipe tie rod set with flaper complete all as specified and directed. OT plant/ICU.

S&F Honey cum fince of size 24"x12"x6" for cooling tower complete all as specified and directed.

M & L earthing in repair complete with galvanized steel earth plate electrode 60cm x 60cm x 6 mm thick burried directly in ground vertically to a depth not less than 2.25 mtr deep below GL with top edge of the plate not less than 1.5 mtr below normal GL and connected to earth plate surrounded by 15 cm thick packed layers of charcoal dust and common salt and connected to earth GI Strip 25x4mm means of bolts, nuts, check nuts and washers of galvanised iron or steel, thimbles and other end of the earth wire connected to DB and protected by galvanised iron or steel pipe light grade 15 mm bore and water pipe 20mm bore GI light grade with funnel and wire mesh, including all necessary excavation and earth work PCC chamber in cement concrete 1:3:6 type C-2 and RCC cover and all as shown in electrical plate No. 3 of MES schedule Pt I of 2009. Note: (i) RCC pit cover shall be pre-cast of RCC (1:2:4) type B-I, 80mm thick reinforced with XPM weighting not less than 4 Kg/Sqm in lieu of CI cover. (ii) The quoted rate shall include the cost of the earth pit covers to be conspicuously marked of plate with stand grouted in PCC. (iii) On testing after completion if the desired earth resistance is more than 2Ώ the earthing will be redone at no extra cost

Material and labour for earth continuity conductor fix to wall on batten or recess or chases or burried in ground or drawn in conduit/pipe, fix to pole or any other indicated situation or loop earthing etc as required 25x4mm galvanised iron strip.

M&L in replacement of sight/moisture indicator of AC plant as per existing size make: Danfoss/Syenergy :-

Periodical maintenance and Servicing of RO Plant installed at MH Ambala four times in year including replacement of membrane, carbon filter and sediment filter and replacement of defective parts including pumps by authorized RO dealer as per ground requirement complete all as specified and directed by Engr-in-charge.

M&L for GI sheet metal ducts made of GI sheet of Class-VIII as per IS-277 of 24 SWG galvanised sheet steel thickness for maintenance of supply duct in central AC Plant.

Supply and fixing in replacement of unsv/ condenser coil, new condenser coil of Split/pillar Type AC Cap. 3 Ton of existing make and type from any location as directed by Engr-in-charge

All as per Srl item No.155 here in before but for expansion valve.

All as per Srl item No.155 here in before but for indoor motor

All as per Srl item No.155 here in before e but for outdoor fan motor

All as per Srl item No.155 here in before but for evaporator coil

Servicing and Repair of Star and delta motor terminal connections of motors as directed and specified.

Supply and fixing of Copper tubing of size 1/2" for repair of AC Plant as directed and specified .

All as per Srl item No.161 here in before e but for size of 1/4 "

All as per Srl item No.161 here in before but for size of 3/4 "

All as per Srl item No.161 here in before but for size of 5/8 "

Supply and Fixing of Flair Nut of all size for Copper pipe as described above as directed and specified.

BLANK

BLANK

BLANK

BLANK

BLANK

Material & labour for cement concrete for servicing/making foundation,plinth/ filling concrete PCC type D2, 1:4:8 using 40 mm graded stone agregate all as specified.

S&F in replacement outdoor fan motor of cold storage at MH with fan blade for 3 ton outdoor split AC existing as per ground complete all as specified and directed.

Supplying and fixing in replacement of 1100 volts grade heavy duty cable PVC insulated aluminium conductor, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 metre apart including 4mm suspension wire, one twin core cable flat or circular of size 10 sqmm 2 core complete all as specified and directed.

Supply and fixing in replacement or passing through PVC conduit pipe of 1100 volts grade heavy duty, PVC insulated round 3 core 2.5 sqmm copper cable including electrical connection suitable size of lugs,nuts and bolts complete all as specified and directed.

Supply and fixing in replacement or passing through PVC conduit pipe of 1100 volts grade heavy duty, PVC insulated round 5 core 2.5 sqmm copper cable including electrical connection suitable size of lugs,nuts and bolts complete all as specified and directed.

Supply and fixing in replacement or passing through PVC conduit pipe of single core PVC unsheathed multi stranded copper cable (FRLS) 1.5 Sqmm nominal cross sectional area 1100 volts conforming to IS 694 including electrical connection suitable size of lugs, nuts and bolts complete all as specified and directed.

Supply and fixing in replacement or passing through PVC conduit pipe of single core PVC unsheathed multi stranded copper cable (FRLS) 2.5 Sqmm nominal cross sectional area 1100 volts conforming to IS 694 including electrical connection suitable size of lugs, nuts and bolts complete all as specified and directed.

S&F condenser coil in replacement of old unsv condenser coil for 3 Ton outdoor unit existing as per ground complete all as specified and directed.

S&F exhaust fan motor with fan blade used for cooling in cold storage size as per existing at ground complete all as specified and directed.

Repair and Maintenance of evaporator coil used in cold storage at MH complete all as specified and directed.

S&F expansion coil for 3 TR Split type AC/Pillar AC complete all as specified and directed.

Brickwork Cement mortar 1:4 with subclass‘B’ bricks, straight or curved on plan exc 6m mean radius built in as in repair complete all as specified and directed.

Brickwork cement mortar 1:4 with subclass ‘B’ bricks, straight or curved on plan to any radius in half brick thick walls, built in as in repair complete all as specified and directed.

Cement concrete 100 mm thick type D-2, 1:4:8 (40mm graded aggregate) complete all as specified and directed.

S&F ball valve made of brass suitable for 23 TR Compressor existing as per ground complete all as specified and directed.

Note:- Amount of credit of Rs 215575.00 for retrieved materials is mentioned in Schedule of Credit attached in tender documents in pdf form which will be deducted offline while acceptance of tender.

Esha Engineers

u and v engineers and consultants