8726 PREVENTIVE MAINTENANCE ALONG WITH REPAIR A REPLACEMENT OF THE VARIOUS UNSERVICEABLE BURNT OUT PARTS OF THE AC PLANTS OF VARIOUS CAPACITIES, COOLING TOWERS, AHU, DEHUMIDIFIERS, HOT WATER GENERATORS, AIR CURTAINS PACKAGE TYPE AC PLANTS UNDER GE

Amount

M&L for complete periodical servicing of Central Air Conditioner Plants of Capacity 2 x 37.5 TR, Make Blue star (excluding AHUs and cooling tower) and checking serviceability of the items like cards, sensors relays, switches etc., compressor oil checking, checking of leakage of refrigerant piping etc. and de-scaling of complete shell & tube type condenser with suitable de-scaling chemical viscous compound which should be suitable for de-scaling of copper tube of chiller, condenser tubes of air conditioning plant. The work shall be carried out through authorized vendor of the makes of plant using proper tools and plants.

All as per item No 1 here in before but Central AC Plant of capacity 3 x 26 TR, Make Blue star complete all as specified and directed.

All as per item No 1 here in before but Central AC Plant of capacity 3 x 50 TR, Make Blue star complete all as specified and directed.

All as per item No 1 here in before but Central AC Plant of capacity 4 x 10 TR, Make Blue star & Voltas complete all as specified and directed.

All as per item No 1 here in before but Central AC Plant of capacity 3X39 TR, Make Blue star complete all as specified and directed.

All as per item No 1 here in before but Central AC Plant of capacity 3x 37.5 TR, Make Blue star complete all as specified and directed.

All as per item No 1 here in before but Central AC Plant of capacity 3 x 32 TR, Make Blue star complete all as specified and directed.

All as per item No 1 here in before but Central AC Plant of capacity 3 x 25 TR, Make Voltas complete all as specified and directed.

All as per item No 1 here in before but Central AC Plant of capacity 3 x 85 TR, Make Voltas complete all as specified and directed. NOTE for Item No. 1 to 9:- The de-scaling chemical should be non corrosive and non polluting and safe to handle. Part/ cat No of De-scaling chemical compound is RXSOL-41-8865-25 Make: ScaleBreak/ Vizag Chemical/ West India Chemical. Each job includes cleaning of all three units, condensers & chiller including re-assembling the complete plant after completion of job. Restarting and maintaining the required/ desired parameters should be provided by the contractor. Cost of all nuts, bolts, washers etc as required is included in the job as specified and directed by Engineer-in- Charge.

Supply and replacement of Compressor oil of Cat Part No. 160/P.E.160S. Make: Kluber or equivalent of Castrol, Veedol, Servo, complete all as specified and directed.

S&F of water sprinkler of cooling tower of capacity 15 TR to 120 TR to distribute the water properly inside the cooling tower complete all as specified and directed.

S&F in repairs Crank case heater for Compressor model No -SM 185 S4 RC / SZ 185 S4 RC of Make-ACOCLIP or equivalent of Danfoss, Performer, Sporlan complete all as specified and directed.

S&F for Liquid line Filter drier -DN/DCL 305 cat part No: 02370014 -46 bar of Make- Danfoss or equivalent of Performer complete all as specified and directed.

S&F for Thermostatic Expansion Valve TDEX-11 TR, 38.5 KW, with fixed orifice suitable for any type of plants i.e. Refrigerant type. Cat part No: MWP 667BE1414B of Make Danfoss or equivalent make of Parker/ Sandhu complete all as specified and directed.

S&F for water pressure control unit Model No : FSW-B-251 of Make: Anergy or as per sample as approved by GE complete all as specified and directed.

S&F for safety device control Valve Cat Part No. 022-01887, 350 PSI of Make :SAMLAN or equivalent of Danfoss, Parker, Sandhu complete all as specified and directed.

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

S&F of LWT/EWT (Leaving water temp and Entering water temp) sensors with probe of best quality 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. Note: The sensor should be of original make and are capable of sensing the EWT and LWT of Make Auber Instruments or equivalent in PAC systems and solutions / Nakshika Enterprise.

M&L for periodical servicing of AHUs 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 detection & rectification refrigerant leakage in cooling coil complete with brazing and soldering, opening and disconnecting of AHU motor from blower room checking serviceability of drive system and oiling /greasing complete, replacement unserviceable vibrating pads /spring in side of AHU for equal air flow from AHU of any type /capacity blower complete all as specified and directed.

M&L for repair and servicing of cooling tower of cap 15 TR to 80 TR capacity AC Plant, by dismantling of cooling tower for removing of top cover and replacement of PVC Fill 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 Nozzles shall be measured and paid separately.

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.

S&F for heavy duty float valve with brass assembly of 25 mm complete with float valve made with brass handle for the threaded type brass assembly for the better level control complete all as specified and directed. Make : - Jindal/ Zoloto/Leader

S&F for PVC spray Nozzles for cooling tower of Central AC Plant as per Sample complete all as specified and directed. Make: ETI/ Gokul Plast or equivalent

Supply and refilling of Refrigerant Gas R- 407 C in sealed cylinders, complete all as specified and directed. Note :- Empty gas Cylinders shall be returned to contractor after use. Make: Floron/ Mafron/ Retron

Supply and refilling of Refrigerant Gas R- 22 in sealed cylinders, complete all as specified and directed. Note :- Empty gas Cylinders shall be returned to contractor after use. Make: Floron/ Mafron/ Retron

Supply and refilling of Refrigerant Gas R- 134 A in sealed cylinders, complete all as specified and directed. Note :- Empty gas Cylinders shall be returned to contractor after use. Make: Floron/ Mafron/ Retron

Supply & refilling of Nitrogen gas in sealed cylinders 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. .

S&F of RH sensor of Dehumidifier of Make Advance International having model no- AMDH1400 complete all as specified and directed.

M&L for rewinding of electric motor of Cap 25 HP 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.

All as per item No.29 but capacity of 15 HP.

All as per item No. 29 but capacity of 7.5 HP.

All as per item No.29 but capacity of 3 -5 HP.

M&L for Repair /Overhauling of mono block pumping set 7.5 to 12.5 HP including replacement of GM bush, ball bearing if required, re-metalling, turning & polishing of pump shaft etc and testing commissioning 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 replacement of gland/ packing, GM bush etc. (ii) Spare parts i.e. shaft sleeve and ball bearing shall be measured and paid separately under relevant items.

S&F Pump motor bearing for 7.5 to 12 HP Cat Part No. 6205 and 6307 Make :- SKF/NBC complete all as specified and directed.

S&F Shaft sleeves 90mm long Cat Part No. 310 of make KBL complete all as specified and directed.

S&F mechanical seal, make SKF/NBC complete all as specified and directed.

S&F GM Bush complete all as specified and directed.

M&L for Repair /Overhauling of mono block pumping set 3 to 5 HP including replacement of GM bush, ball bearing if required , re-metalling, turning & polishing of pump shaft etc and testing commissioning 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) Spare parts i.e. GM bush, shaft sleeve and ball bearing shall measured and paid separately under relevant items.

S&F Pump motor bearing for 3.0 HP Cat Part No. 6204 and 6305 Make :- SKF/NBC complete all as specified and directed.

S&F Pump motor bearing for 5.0 HP Cat Part No. 6205 and 6304 Make :- SKF/NBC complete all as specified and directed.

S&F in replacement of GM gate valve ISI marked including cutting / threading and welding of existing GI pipe of size 50 mm dia complete all as specified and directed. Make :- Zoloto/ Kiran/ Neta

S&F in replacement of GM gate valve ISI marked including cutting / threading and welding of existing GI pipe of size 40 mm dia complete all as specified and directed. Make :- Zoloto/ Kiran/ Neta

S&F in replacement of GM gate valve ISI marked including cutting / threading and welding of existing GI pipe of size 25 mm dia complete all as specified and directed. Make :- Zoloto/ Kiran/ Neta

S&F in replacement of GM gate valve ISI marked including cutting / threading and welding of existing GI pipe of size 20 mm dia complete all as specified and directed. Make :- Zoloto/ Kiran/ Neta

S&F in replacement of Discharge pressure gauges 100 mm dia 0 to 300 PSI of Make Feibig/H-Guru/ Shubh Instruments complete all as specified and directed.

S&F in replacement of Suction/ Oil pressure gauges 100 mm dia 0 to 150 PSI of Make: Feibig/H-Guru/ Shubh Instruments complete all as specified and directed.

S&F for Single phase preventer system of supply 415 Volt 50 Hz Model VSP2 of Make :- Minilec/ or equivalent of L&T / ABB complete all as specified and directed.

S&F for V-Belt of size C– 107 of Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size A – 81 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.er

S&F for V-Belt of size B – 102 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size A-50 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size B-47/ B-56 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size B – 88 / B – 90 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size B – 82 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size B – 78 / B – 80 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size B-76 / B-56 Make- Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F for V-Belt of size B-72 Make-Fenner or equivalent in Hilton/ Dunlop complete all as specified and directed.

S&F of canvass cloth used as duct connector at inlet/outlet of AHUs complete all as specified and directed.

S&F in replacement of electric strip heaters 2.5/ 3 KW capacity ISI marked complete all as specified and directed. Make- Daspass / Theta / Airex.

M&L for repairs to suction/discharge valve by replacement of Teflon sheet ‘O’ ring etc complete all as specified and directed.

Supply and replacement for Auxiliary contactor MNX A-2 for 415 volt 10 Amps for contactor 25 Amp of Make:-L&T or equivalent model in Siemens/ Schneider all as specified and directed.

Supply and replacement Contactor MNX-25, 220 Volt of Make-L&T or equivalent model in Siemens/ Schneider all as specified and directed.

Supply and replacement Contactor MNX-70, 240 volt of Make- L&T or equivalent model in Siemens/ Schneider all as specified and directed.

Supply and replacement Contactor MNX 18, 240 volt with auxiliary contract Make- L&T or equivalent in Havells/ Legrand as approved by GE complete all as specified and directed.

Supply and replacement Contactor MNX-50, 240 volt Make- L&T or equivalent model in Siemens/ Schneider all as specified and directed.

Supply and replacement Contactor MNX-40, 240 volt Make- L&T or equivalent model in Siemens/ Schneider all as specified and directed.

Supply and replacement Side mounting add-on block with Aux contact 1No+1Nc suitable for MNX- 9 to 40 contractor of Cat Part No CS 94220 of Make L&T or equivalent Cat Part of Siemens/ Schneider complete all as specified and directed.

Supply and replacement Side mounting add-on block with Aux contact 1No+1Nc suitable for MNX- 9 to 40 contractor of Cat Part No CS 94201 of Make L&T or equivalent Cat Part of Siemens/ Schneider complete all as specified and directed.

S&F for Electronic timers type ET-100,110/240 volt, 50 Hz Make : MICON Cat part No: 2ASD-CE or equivalent Model of L&T/Siemens/Schneider/BCH complete all as specified and directed.

S&F for Volt meter 0 – 500 V digital type, Make – AE /Crompton Greaves/ Conzerv complete all as specified and directed.

S&F for O/L relay 6 to 10 Amps 3 pole, directly operated. Make- L&T/ BCH/ C&S all as specified and directed.

S&F for O/L relay 9 to 14 Amps 3 pole, directly operated. Make- L&T/ BCH/ C&S all as specified and directed.

S&F for O/L relay 28 to 42 Amps 3 pole, directly operated. Make- L&T/ BCH/ C&S all as specified and directed.

Supply and fix Timer GT – 200 complete with coil voltage 220. Make – BCH/ L&T/ C&S all as specified and directed.

S&F for Amp meter 0–100 Amps digital type. Make - AE/ Crompton Greaves/ Conzerv all as specified and directed.

S&F for Toggle switch SPST 10 Amps Make KAYCEE / L&T/ BCH/ C&S all as specified and directed.

S&F for MCB TP of rating 63 Amps, 10 KA of Make-Schneider/ L&T/ Siemens all as specified and directed.

S&F for MCB SP of rating 5 to 32 Amps, 10 KA of Make-Schneider/ L&T/ Siemens all as specified and directed.

M&L for replacement of MCBs of capacity 40 Amps, four pole, 10 KA of Make-Schneider/ L&T/ Siemens all as specified and directed.

M&L for attending to breakdown complaints to AC plant of any capacity as and when required with authorized dealer's service engineer with necessary T&P for checking the equipment at existing location for detection of trouble/ fault in chiller plant including panel & instrument, rectification of defects and smooth functioning of plant in situ and cleaning/ normal maintenance to the equipments complete to make the equipment functional in all respects complete all as specified and directed by the Engineer- in-Charge. Note : (i) Spare parts shall be measured and paid separately (ii) The contractor has to provide services through OEM authorized dealers manpower only for mechanical as well electrical fault rectification.

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 400 Amps, 415V, four pole, 36 KA complete all as specified and directed Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 315 Amps, 415V, four pole, 36 KA complete all as specified and directed Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 250 Amps, 415V, four pole, 25 KA complete all as specified and directed Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 200 Amps, 415V, four pole, 25 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 160 Amps, 415V, four pole, 25 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 125 Amps, 415V, four pole, 16 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

S&F in replacement of MCCB, adjustable thermal and adjustable magnetic setting of capacity 63 Amps, 415V, four pole, 16 KA complete all as specified and directed. Make: Havells/ L&T/ Schneider/ Legrand

M&L for 15 mm bore GI water tubing, medium grade, laid in trenches /wall / ducts with all required fitting complete all as specified and as directed

M&L for 20 mm bore GI water tubing, medium grade, laid in trenches /wall / ducts with all required fitting complete all as specified and as directed

M&L for 25 mm bore GI water tubing, medium grade, laid in trenches /wall / ducts with all required fitting complete all as specified and as directed

M&L for 40 mm bore GI water tubing, medium grade, laid in trenches /wall / ducts with all required fitting complete all as specified and as directed

M&L for 50 mm bore GI water tubing, medium grade, laid in trenches /wall / ducts with all required fitting complete all as specified and as directed

Repair to Microprocessor Electronic PCB Card of Chiller type Central AC plant of Make Blue star / Voltas including all devices like diodes, resistance, capacitor, IC, thermostat, transformer, relay, switch, indicator, sensors etc. complete all after disconnecting the PCB card from the Chiller unit and refixing the same after repair and testing complete all as specified and directed.

M&L for servicing to 2 x 5.5 TR (11 TR) air cooled package AC unit including washing of evaporator unit, condensing unit, greasing to condenser motor, blower motor for noise free operation, cleaning of drain pipe, cleaning of air filters, tightening of electrical/ mechanical connections complete, all as specified and directed by the Engineer-in-Charge.

S&F in repair commercial scroll compressor, Model No:HLP072T4LC6 of make Danfoss 400 V, 3 phase, 50 HZ, thermally protected, lubricant mineral oil-160P, Refrigerant type R-407 of Cap-5.5 TR suitable for Package type AC of capacity 11 TR, Model No- ACDPUASC110D40407PHS of Make- Voltas.

S&F as in replacement of old u/s outdoor fan blade of Package AC of capacity 11 TR, Make Voltas , Model No- ACDPUASC110D40407PHS. The MOC of the fan blade shall be FRP type complete all as specified and directed.

S&F PCB Control card as required for complete control circuits of Package AC capacity 11 TR of Make Voltas, Model No- ACDPUASC1102PHS, complete all as Specified and directed.

S&F Display unit suitable for indoor unit of Package AC of capacity 11 TR of Make Voltas, Model No- ACDPUASC1102PHS complete all as specified and directed.

Supply and replacement of Contactor model No-3TS30, Make-Siemens or equivalent model in L&T or Legrand complete all as specified and directed.

Supply and replacement of Contactor model No-3TS33, Make-Siemens or L&T or Legrand complete all as specified and directed.

M&L for servicing to 3.5 TR Tower AC unit including washing of evaporator unit, condensing unit, greasing to condenser motor, blower motor for noise free operation, cleaning of drain pipe, cleaning of air filters, tightening of electrical/mechanical connections complete, all as specified and directed by the Engineer-in-Charge.

S&F PCB Control card as required for complete control circuits of Tower AC of capacity 3.5 TR of Make Blue Star, Model No- BI-VE42SEU complete all as Specified and directed.

S&F Single phase preventer system of supply 415 Volt, 50 Hz Model MA51BC of make L&T/ or equivalent of Minilec/ABB

M&L for servicing to Dehumidifier unit of any capacity including washing of complete unit, greasing to blower motor for noise free operation, cleaning of drain pipe, cleaning of air filters, tightening of electrical/mechanical connections complete, all as specified and directed by the Engineer-in-Charge.

M&L for rewinding of electric motor of capacity up to 1 HP Single phase 240 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 making necessary electric connection and testing complete all as specified and directed.

Supply, Installation and commissioning of one shell and tube type water cooled condenser with MS Shell and integrally finned copper tubing, complete with safety valves, drain valve, water inlet and outlet valves, hot gas inlet and liquid outlet isolating valves thermometer and pressure gauges at inlet and outlet and purge valves all as specified and as per following technical specification. Make : Blue star Model XWC3S-039A (i) Type: Shell and tube type (ii) Capacity in TR: Suitable as per machine configuration and manufacturer's design (iii) Heal reflected in BTU/hr: Suitable as per machine configuration and manufactures design (iv) Construction details: MS ERW shell with removable MS end covers and integrally finned copper tubes. (v) Method of cooling: Forced Water (vi) Refrigerant side area: As per manufacturer std. (vii) Details of safety device: Safety valve purge valve, pressure relief value, isolating valves. (viii) Type of fins: Integrally finned. (ix) Shell dia: As per manufacturer std (x) Tube surface (Inside and outside): As per manufacturer std (xi) No of condenser: Multi condenser unit (xii) Condensing temperature: 40° C. (xiii) Water pressure (Inlet/outlet): 2/1.2 Kg/Sq.cm

S&F for Microcontroller in replacement of old unserviceable microcontroller (LCD type) complete with internal PCB controller board /card along with outer (external) display control unit with inclusive of all control wiring /termination etc completed as a single unit for one machine complete in all respects all as specified and directed. Make: Blue Star

S&F for commercial scroll compressor, Model No:SM 185-S4 RC of Danfoss, 380 to 400 V, 3 phase, 50 HZ, Thermally protected, Lubricant mineral oil-160P, Refrigerant type R-22 of Cap-13.1 TR of Make- Danfoss or equivalent of Performer, Daikin or Carrier complete all as specified and directed. Note: (i) The compressor shall be installed by the OEM authorized refrigeration mechanic. (ii) After successful installation, the compressor shall be leak tested with nitrogen at desired pressure. (iii) The cost of first charge of refrigerant gas in the compressor shall be included in the quoted rate of compressor by the contractor.

S&F for commercial scroll compressor, Model No:SZ 185-S4 RC of Danfoss, 380 to 400 V 3 Phase, 50 HZ, Thermally protected, Lubricant mineral oil-P.E.160 S, Refrigerant type R-407 C of Cap-13.1 TR of Make- Danfoss or equivalent of Performer, Daikin or Carrier complete all as specified and directed. Note: (i) The compressor shall be installed by the OEM authorized refrigeration mechanic. (ii) After successful installation, the compressor shall be leak tested with nitrogen at desired pressure. (iii) The cost of first charge of refrigerant gas in the compressor shall be included in the quoted rate of compressor by the contractor.

S&F motor bearing of vertical type pumps made of complete stainless steel for 7.5 to 12 HP Make :- SKF/NBC complete all as specified and directed.

M&L for replacement of water hydra for cooling tower of cap 15TR to 85 TR capacity AC Plant by dismantling of cooling tower electric motor and disconnecting all PVC Nozzles from hydra and replacement 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 Engineer-in-charge.

S&F in replacement of heating element 7 KW 220/380V Volts water heater for hot water generator complete all as specified and directed. Make- Daspass/ Theta / Airex

M&L for providing thermal insulation in replacement of old worm out insulation, to supply air ducts/ return air ducts with 32 mm thick EPDM rubber with factory laminated glass cloth 7mil, 200 GSM sheet, using adhesive Fevicol SR 998, Joints 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 finished with UV resistance paint as complete all as specified and as directed. Make of EPDM rubber: Aeroflex and Make of Adhesive and lag coating: Fevicol.

M&L for PVC insulated electric copper cable of size 16 sq mm 4 core including saddles & screws and laying in cable lay trunk perfectly complete all as specified and directed. Make:-Havells/ Polycab/ Finolex

M&L for PVC insulated electric copper cable of size 35 sq mm 4 core including saddles,& screws and laying in cable lay trunk perfectly complete all as specified and directed. Make:-Havells/ Polycab/ Finolex

M&L for PVC insulated electric copper cable of size 4.0 sq mm 4 core including saddles & screws and laying in cable lay trunk perfectly complete all as specified and directed Make:-Havells/ Polycab/ Finolex

S&F of push button flush type to start/ stop the motors of central AC plant complete all as specified and directed. Make: BCH/ C&S/ L&T

Supply and replacement triple layer 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 : Sintex / Plasto/ Ashirwad

Supply and fixing in repair of Butterfly valve of size 50 mm as per API 609, BS 5155, wafer type for mounting between specified flanges and shall be rated for 1034 kPa shutoff and non-shock working pressure, bodies shall be cast ferrous metal conforming to ASTM A126 CL B/ IS 210 Gr FG 200 for body wall thickness and disc shall be of S.G. Iron, with Replaceable EPDM seats and seals shall be of the resilient elastomeric type designed for field removal and replacement. accessories shall be matching flanges, gasket, hardware etc. Butterfly valves shall confirm to API 609. duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

Supply and fixing in repair of Butterfly valve of size 80 mm as per API 609, BS 5155, wafer type for mounting between specified flanges and shall be rated for 1034 kPa shutoff and non-shock working pressure, bodies shall be cast ferrous metal conforming to ASTM A126 CL B/ IS 210 Gr FG 200 for body wall thickness and disc shall be of S.G. Iron, with Replaceable EPDM seats and seals shall be of the resilient elastomeric type designed for field removal and replacement. accessories shall be matching flanges, gasket, hardware etc. Butterfly valves shall confirm to API 609. duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

Supply and Fixing in repair of Dual Plate Check Valve (NRV) of size 50mm dia conforming to MSS SP-125, valve disc or plate shall be of S.G Iron close before line flow can reverse to eliminate slam and water-hammer due to check-valve closure, valve shall be class 125 rated for 1379 kilopascal maximum, valves shall be wafer type to fit between flanges conforming to ASME B16.5, valve body shall be cast iron, conforming to ASTM A126/ IS 210 Gr. FG 200 or equivalent strength ductile iron, disks shall be manufacturers standard S.G. Iron ASTM A 536, Spring should be of SS 316 duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

Supply and Fixing in repair of Dual Plate Check Valve (NRV) in sizes of 80mm dia conforming to MSS SP-125, valve disc or plate shall S.G Iron close before line flow can reverse to eliminate slam and water-hammer due to check-valve closure, valve shall be class 125 rated for 1379 kilopascal maximum, valves shall be wafer type to fit between flanges conforming to ASME B16.5, valve body may be cast iron, conforming to ASTM A126/ IS 210 Gr. FG 200 or equivalent strength ductile iron, disks shall be manufacturers standard S.G. Iron ASTM A 536, Spring should be of SS 316. duly insulated complete all as specified and directed. Make : Audco/ Honeywell/ Intervalve/ KSB/ VTM

S&F Water Flow switch of model HFS-25 of make Synergy or equivalent in Honeywell or equivalent complete all as specified and directed.

S&F LED indication lamp 22.5mm dia for LT panel complete all as specified and directed by Engineer-in-charge.

M&L for attending, identifying and rectification of minor faults pertaining to AC Plants and connected accessories/ Machinery, repairing/ making serviceable the same on day to day complaint basis or as per requirement by providing 01 No. Skilled Refrigeration Mechanic complete all as specified and directed. NOTE :- Spare parts shall be measured and paid separately as mentioned in schedule of BOQ.

M&L for spray painting to Central AC Plant complete comprising of compressors, motors, condenser, cooling tower and cooling tower pumps, pump / mono block, 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 15 to 170 TR ACs plant as directed by the Engineer-in- charge.

S&F in replacement of heating element 3/5 KW 220/380V water heater for hot water generator complete all as specified and directed. Make- Daspass/ Theta / Airex

S&F electronic type float valve for the Hot water generator system of XL type central AC plants to regulate the flow of water supplied to hot water generator system complete all as specified and directed. Note: Sample shall be taken from the site before supply.

S&F condenser safety valve of rating 300 psi to 350 psi as per requirement of the plant for water cooled condenser complete all as specified and directed.

S&F of U clamp made of SS material of sizes having sheet thickness of 2-3 mm for cooling tower of capacity 20 TR to 85TR complete all as specified and directed.

S&F of multi blade propeller Fan of cooling tower having capacity of 20TR to 85 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 20TR to 85TR as per existing at site complete all as specified and directed.

S&F for MCB TP of rating 32 Amps, 10 KA of Make-Schneider/ L&T/ Siemens all as specified and directed.

M&L for replacement of PVC filling blocks of size 600mm X 300mm X 150mm complete all as specified and directed. Make : MIHIR/ SUVIDHA/ AVIRATS

S&F T-RH sensor of make Invite having range of 0° to 100° C for temperature and up to 100% for RH compatible with input of 4-20 mA complete all as specified and directed.

S&F Temperature sensor of make Invite having range of 0° to 100° C for temperature compatible with input of 4-20 mA complete all as specified and directed.

S&F variable frequency drive of capacity with IP-20 protection having EMC filter for noise reduction with 1 PID control to control fan speed based on velocity, pressure or temperature feedback having ports for the input and output variables complete all as specified and directed. Make- Danfos/ Siemens

Supply, installation, testing and commissioning of 3-way modulating spring return mixing valves Electro - Hydraulic motorized actuator type, along with temperature controller other standard accessories and matching flanges shut off pressure dps= Min 7 bar, pressure class Pu=10 bar having flow rate 110 USGPM of size 80mm DN complete all as specified and directed. Make- Oventrop/ Honeywell

Deduct: Amount of Schedule of Credit b/f from Sl. Page No. 18 of tender document i.e. Rs. 88,125.00

M/s. S.S. Refrigeration, Bareilly

SONI ENTERPRISES

Pal Engineering Services