REPAIR/MAINTENANCE OF CENTRAL AC PLANTS AND MISC WORKS AT TECH AREA AT AF STN PHALODI

Amount

M&L for servicing, repair/maint and pressure test of the condensor and cooling coil of Chiller Package type Water cooled AC of 25 TR (Refrigerant- R407C) capacity and dismantling the same for repair the leakage point by brazing/soldering including check and replacement of all unserviceable/burnt out electric/electronic part and rewiring of the unit and descalling by using antiscallent solution passing through copper tube of condensor units and connected pipes/tubes with suitable tools and pressure pumps, including repainting of drain and refrigerant pipes with two coats of enamel paint of the colours as indicated by Engr-in-Charge and identification symbols mentioning the service colour coded and the direction of flow of fluids in pipes by arrow at regular intervals shall also be marked, necessary repair/maint as required to plant complete, after completion of the entire job the plant testing will be conduct for for 12 hours as satisfaction level of Engr-in-Charge for Chiller S/No 48445A-112 & 48445B-112 Make: Blue Star, Model XWCS2026AR2, installed at South Wing of Unit Hangar all as directed by Engr-in-Charge. Note: 1. The cost of required Tools & Plants, Chemicals and refrigerant deemed to be included to the quoted rate. 2. AC Plant, AHU - Servicing, Defect Rectification, Testing and commissioning has to be carried out by Authorised Service Technicians and is the responsibility of the Contractor to get this clause executed accordingly.

All as per item No 1 above, but 26 TR capacity, Chiller S/No 69374C-C14,69374B-C14 & 69374A-C14 and Model No XWCS 2026 A, Make Blue Star installed at CENGO Bldg complete.

All as per item No 1 above, but 37.7 TR capacity, Chiller S/No 47897B-112, 47897A & 47897C and Model No XWCS3039AR2, Make Blue Star installed at North Wing of Unit Hangar & South Wing of R&SS Hangar complete.

All as per item No 1 above, but 39 TR capacity, Chiller S/No D000007, D000008, D000009 Make : Voltas installed at UG Base Ops and Model No ACWCDSO39DMNXI, and S/No: 67420-B14, 68723B-B14, 68723A-B14. Make : Blue Star installed SES Building Model No: XWCS3039A complete all as Specified and Directed.

All as per item No 1 above, but 50 TR capacity of Chiller S/No 49361B-J12, 49361A-J12 and 49361C-J12, Model No XWCS3039AR2, Make Blue Star installed at North Wing of R&SS Hangar complete.

M & L in rectification of leakage of gas in chiller with Nitrogen Pressure Testing, plugging of tubes (If the number of leaked tubes not more than 5%), Removing of End shields of Evaporator and condenser to check and repair of leakage, Refrigerant charging and Re-Commissioning of the chiller S/No D000006 at UG Base Ops.

M & L in Dismantling of defective Scroll compressor and replace the same with New factory made genuine as specified and directed at AC Plant UG Base. Make: Danfoss, Model No : SM185S4RC, Capacity 12 TR replenishing with compressor oil recharging the system with gas R22, testing and commissioning complete all as specified and directed.

Supply and fixing EXV Valve (Electronic Expansion Valve) suitable for Model No SM185S4RC & For 12 TR Compressor, Line Flushing and Vacuumising the Chiller off any moisture prior to Nitrogen Pressure testing as specified and directed. as specified and directed. Make : Danfoss or Equivalent.

M&L for complete servicing and descaling of draft type cooling tower of FRP of Capacity 120 TR, Make: MIHIR, Model FM619E/S at UG Base Opscomplete with all accessories, basin, fittings & fan motor complete and replacement of PVC sprinkler pipe and its controlling system along with bottom side & top aluminium net protection and including painting to the pipes and parts of the plants as per colour codes as directed including necessary masonery work for supporting pillars of tower and pipes all as specified and directed by Engr-in-Charge.

Ditto all as per item No 9 above but Cooling Tower of Capacity 100 TR, Make Pole, Model 4100 at North Wing of R&SS Hangar.

Ditto all as per item No 9 above but Cooling Tower of Capacity 80 TR, Make Pole, Model 4080 at North Wing of Tech Flt (Unit) Hangar & SES Complex.

Ditto all as per item No 9 above but Cooling Tower of Capacity 50 TR, Make Pole, Model 4080 at CENGO Bldg.

Ditto all as per item No 9 above but Cooling Tower of Capacity 40 TR, Make Pole, Model 4040 at South Wing of R&SS Hangar & South Wing of Tech Flt (Unit) Hangar.

M&L for repair & servicing of Air Handling Unit parts complete i.e. Housing/Caping construction, Motor & Drive, Fan, Cooling coils, filters & accessories including replacement of Fan Belts, unserviceable electric/electronic part of the unit, Filters, Polyurethane foam of density not less than 40 Kg/Cum, fan shaft pully, unserviceable cooling coils 12 mm dia, 24 G thick with aluminum fins of AHU of 16000 CFM, Model ZDS-160, Make ZECO, S/No 13126201 installed at UG Base Ops all as directed by Engr-in-Charge.

Ditto all as per item No 14 above but AHU of 15500 CFM, Model ZDS-160, Make ZECO, S/No 1263704 installed at Unit Hangar North Wing.

Ditto all as per item No 14 above but AHU of 15200 CFM, Model ZDS-160, Make ZECO S/No 1263703 installed at R&SS Hangar North Wing.

Ditto all as per item No 14 above but AHU of 14500 CFM, Model ZDS-150, Make ZECO, S/No 1263709 installed at R&SS Hangar South Wing.

Ditto all as per item No 14 above but AHU of 13500 CFM, Model ZDS-140, Make ZECO S/No 1263705 installed at R&SS Hangar North Wing.

Ditto all as per item No 14 above but AHU of 9000 CFM, Model ZDS-100, Make ZECO, S/No 1426805 &1426805-2 installed at SES Complex.

Ditto all as per item No 14 above but AHU of 8000 CFM, Model ZDS-80 S/No 1263701-01 & 02 & 1426804 installed at R&SS Hangar South Wing and CENGO Bldg.

Ditto all as per item No 14 above but AHU of 7000 CFM, Model ZDS-80, Make ZECO S/No 1263712-01 & 1263702-2 installed at R&SS Hangar North Wing and Model No : ZDS 70, Ser No : 1426809. Installed at SES Complex.

Ditto all as per item No 14 above but AHU of 6500 CFM, Model ZDS-80, Make ZECO, S/No 1263706-1 & 02 installed at R&SS Hangar South Wing and Unit Hangar North wing.

Ditto all as per item No 14 above but AHU of 6000 CFM, Model ZDS-60, Make ZECO, S/No 1426803 installed at CENGO Bldg.

Ditto all as per item No 14 above but AHU of 5800 CFM, Model ZDS-60, Make ZECO, S/No 1263708 installed at Unit Hangar North Wing.

Ditto all as per item No 14 above but AHU of 5600 CFM, Model ZDS-60, Make ZECO, S/No 1263707 installed at Unit Hangar North Wing.

Ditto all as per item No 14 above but AHU of 5000 CFM, Model ZDS-50, Make ZECO, S/No 1426802 installed at SES Bldg.

Ditto all as per item No 14 above but AHU of 4000 CFM, Model ZDS-40, Make ZECO, S/No 1426806 installed at CENGO Bldg.

Ditto all as per item No 14 above but AHU of 3000 CFM, Model ZDS-30, Make ZECO, S/No 1426808 installed at SES Bldg.

Ditto all as per item No 14 above but AHU of 2500 CFM, Model ZDS-2.5, Make ZECO, S/No 1426801 installed at CENGO Bldg.

Ditto all as per item No 14 above but AHU of 1600 CFM, Model ZDS-1.6, Make ZECO, S/No 1426807 installed at CENGO Bldg.

S&f in repairs Aluminium Fan blade 27"(inch)(700mm) long for AC plant cooling tower as per sample complete all as specified and directed.

All as above item no 31 but 34''(inch) (900mm)Long for AC plant cooling tower as per sample complete all as specified and directed.

All as above item no 31 but 53''(inch) (1300mm)Long for AC plant cooling tower as per sample complete all as specified and directed.

All as above item no 31 but 56''(inch) (1500mm)Long for AC plant cooling tower as per sample complete all as specified and directed.

S&f in repairs Aluminium Sprinkler 2"(inch) dia for AC plant cooling tower as per sample complete all as specified and directed.

All as above item no 35 but 3"(inch) dia for AC plant cooling tower as per sample complete all as specified and directed.

All as above item no 35 but 5"(inch) dia for AC plant cooling tower as per sample complete all as specified and directed.

S&f in repairs FRP body Panel with side louvers for cooling Tower of 100 TR capacity of any make as specified and directed. Make: Wetpoint, MIHIR, POLO

S & F in repair FRP Basin Panel, Suction tank and FRP Kit for cooling Tower of 100 TR capacity of any make as specified and directed.

S & F in repair PVC inlet pipe with flanges 140mm size, Pipe Lovers and tension device suitable for cooling tower of 100 TR capacity of any make as specified and directed.

S & F in repair MS galvanised support structure & hardware suitable for cooling tower of 100 TR capacity of any make as specified and directed.

S & F in repair PVC Drift Eliminator suitable for cooling tower of any TR capacity of any make as specified and directed.

S&F in repairs cooling Tower PVC Corrugated Honeycomb double Edge Folded Fills for cooling Tower Size 600x300x150x0.175 mm. Corrugation depth 12 mm No of Layers - 12 Nos, Weight ~ 750 GM.complete all as specified and directed

M&L for Taking down Servicing of Monoblock pump (Horizontal Type) upto cap. 5.0 HP, 3ph,415v from central air conditioning plant, dismantling the pump, replacement of unserviceable impeller, bearing, gland packing and shaft and mechanical water seal as per manufacturing specification, complete servicing the pumpset including reassembling complete and refitting at site all as specified and directed by Engineer-in-charge.

M & L for rewinding the electric motor of capacity 10 to 12.5 HP by dismantling and removing the burnt out copper winding cleaning the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the parts of the motor ,reinstallation in same position complete including testing and comissioning complete all as specified and directed.

M & L for rewinding the electric motor of capacity 5 to 10 HP by dismantling and removing the burnt out copper winding cleaning the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the parts of the motor ,reinstallation in same position complete including testing and comissioning complete all as specified and directed.

M & L for rewinding the electric motor of capacity Upto 5 HP by dismantling and removing the burnt out copper winding cleaning the slot of stator thoroughly and rewinding the stator with super enamelled copper winding wire of same gauge with proper class of insulation and applying varnish including re assembling all the parts of the motor ,reinstallation in same position complete including testing and comissioning complete all as specified and directed.

S&F in repairs Butter fly valve insulated as per piping insulation complete for 150 mm dia all as directed by Engineer in Charge. Make : Audco/L&T or Equivalent ISI Marked

S&F in repairs Butter fly valve insulated as per piping insulation complete for 100 mm dia all as directed by Engineer in Charge. Make : Audco/L&T or Equivalent ISI Marked

S&F in repairs Butter fly valve insulated as per piping insulation complete for 80 mm dia all as directed by Engineer in Charge Make : Audco/L&T or equivalent ISI Marked

S&F in repairs Butter fly valve insulated as per piping insulation complete for 65 mm dia all as directed by Engineer in Charge. Make : Audco/L&T or equivalent ISI Marked

S&F in repairs Butter fly valve insulated as per piping insulation complete for 50 mm dia all as directed by Engineer in Charge Make : Audco/L&T or equivalent ISI Marked

S&F in repairs single phase preventer complete all as specified and directed. Make : Minilec(VSP-2), L&T, Siemens or equivalent ISI marked.

S&F in repairs motor protection circuit breaker 32 Amps rating single Frame complete all as specified and directed. Make : Schneider, L&T, Siemens or equivalent ISI marked.

S&F in repairs motor protection circuit breaker 65 Amps rating Double Frame complete all as specified and directed. Make : Schneider, L&T, Siemens or equivalent ISI marked.

S&F in repairs motor protection circuit breaker 80 Amps rating double frame complete all as specified and directed. Make : Schneider, L&T, Siemens or equivalent ISI marked..

S&F in repairs contactor 3 pole with AC Coil 16Amps 415 volts fixed in existing panel. Make: Havells/L&T/SIEMENS

S&F in repairs contactor 3 pole with AC Coil 25 Amps 415 volts fixed in existing pannel. Make: Havells/L&T/SIEMENS

S&F in repairs contactor 3 pole with AC Coil 32 Amps 415 volts fixed in existing pannel. Make: Havells/L&T/SIEMENS

S&F in repairs contactor 3 pole with AC Coil 40 Amps 415 volts fixed in existing pannel. Make: Havells/L&T/SIEMENS

S&F in repairs contactor 3pole with AC Coil 115 Amp 415 V fixed in existing panel. Make: Havells/L&T/SIEMENS

S&F in repairs contactor 3pole with AC Coil 150 Amp 415 V fixed in existing panel, Make: Havells/L&T/SIEMENS

S&F in repairs thermal overload relay (Auto/Manual Reset) setting range 7 to 10 Amps, power rating for 3phase motor at 415V fixed in existing panel. Make : MAKE: Havells/L&T/SIEMENS

S&F in repairs thermal overload relay (Auto/Manual Reset) setting range 18 to 25 Amps, power rating for 3phase motor at 415V fixed in existing panel. Make : MAKE: Havells/L&T/SIEMENS

S&F in repairs thermal overload relay (Auto/Manual Reset) setting range 28 to 40 Amps, power rating for 3phase motor at 415V fixed in existing panel. Make : MAKE: Havells/L&T/SIEMENS

S&F in repairs thermal overload relay (Auto/Manual Reset) setting range 70 to 80 Amps, power rating for 3phase motor at 415V fixed in existing panel. Make : MAKE: Havells/L&T/SIEMENS

S&F in repairs MCCB 4pole 63 Amps 16 KA 415Volt Adjustable thermal & Fixed magnetic Setting Ics 100% of lcu complete all as specified and directed. Make : ABB/L&T/SIEMENS/LEGRAND

S&F in repairs MCCB 4pole 100 Amps 16 KA 415Volt Adjustable thermal & Fixed magnetic Setting ics 100% of lcu complete all as specified and directed. Make : ABB/L&T/SIEMENS/LEGRAND

S&F in repairs MCCB 4pole 125 Amps 16 KA 415Volt Adjustable thermal & Fixed magnetic Setting ics 100% of lcu complete all as specified and directed. Make : ABB/L&T/SIEMENS/LEGRAND

S&F in repairs MCCB 4pole 200 Amps 36 KA 415Volt Adjustable thermal & Fixed magnetic Setting ics 100% of lcu complete all as specified and directed. Make : ABB/L&T/SIEMENS/LEGRAND

S&F in repairs MCCB 4pole 400 Amps 36 KA 415Volt L Frame Adjustable thermal & Adjustable magnetic setting complete all as specified and directed. Make : ABB/L&T/SIEMENS

S&F in repairs MCCB 4pole 500 Amps 36 KA 415Volt L Frame Adjustable thermal & Adjustable magnetic setting complete all as specified and directed. Make : ABB/L&T/SIEMENS

S& F in repair Pressure Gauge suitable for Central Air Conditioning Plant complete all as specified and directed.

S& F in repair Thermometer suitable for Central Air Conditioning Plant complete all as specified and directed.

S&F in repair MCB C Series SP 6 AMps fixed in Existing Panel complete all as specified Make:ABB/L&T/SIEMENS

S&F in repairs MCB 3 Pole 32 AMps fixed in Existing Panel complete all as specified Make:ABB/L&T/SIEMENS

S&F in repairs MCB 3 Pole 50 Amps fixed in Existing Panel complete all as specified Make:ABB/L&T/SIEMENS

S&F in repairs Multicore round PVC insulated and FRLSH PVC round sheathed copper conductor (Flexible) industrial cable 1100Volts 4 Sqmm 3 core complete all as specified and directed. Make: Havells/Finolex/Policab

S&F in repairs Multicore round PVC insulated and FRLSH PVC round sheathed copper conductor (Flexible) industrial cable 1100Volts 6 Sqmm 3 core complete all as specified and directed. Make: Havells/Finolex/Policab

S&F in repairs Multicore round PVC insulated and FRLSH PVC round sheathed copper conductor (Flexible) industrial cable 1100Volts 10 Sqmm 3 core complete all as specified and directed. Make: Havells/Finolex/Policab

S&F in repairs chiller plants PCB suitable for 26 to 50 TR capacity of existing model complete all as specified and directed

M&l for repair to leaking area of AC Plant of any capacity, including pressure testing, dehydration and gas charging R-407C complete all as specified and directed. Note :Empty/filled Ref gas cylinder shall be the responsibility of contractor and he shall be liable for all risk against the same and all costs deemed to be included in the quoted rate.

M&l for repair to leaking area of Ac Plant of any capacity, including pressure testing, dehydration and gas charging R - 22 complete all as specified and directed. Note :Empty/filled Ref gas cylinder shall be the responsibility of contractor and he shall be liable for all risk against the same and all costs deemed to be included in the quoted rate.

S&f in repairs unserviceable filter drier DFP-023Z0014 DCL 305 suitable for AC plant complete all as existing specified and directed.

S&f in repairs unserviceable Expansion valve suitable for Ac plant complete all as existing specified and directed. Make : Danfoss or Equivalent

S&f in repairs of LP/HP Switch suitable for Ac plant complete all as existing specified and directed.

S&f in repairs temperature sensors suitable for Ac plant complete all as existing specified and directed.

S&f in repairs compressor crank case heater (CCH) suitable for Ac plant complete all as existing specified and directed.

S&f in repairs Pressure safety release valve (PRV) suitable for Ac plant complete all as existing specified and directed.

Supply only Condensor Descaling chemical suitable for AC Plant complete all specified and directed.

Supply only cooling tower chemical suitable for AC Plant complete all specified and directed.

Supply only chilled water chemical suitable for AC Plant complete all specified and directed.

Supply only compressor oil suitable for AC Plant complete all as specified and directed.

Supply only Air conditioner Gas R-410A Complete all as specified and directed.

S&F in repairs CI Y Strainer flanged end epoxy coated with SS Screen 50mm Dia complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

S&F in repairs CI Y Strainer flanged end epoxy coated with SS Screen 65mm Dia complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

S&F in repairs CI Y Strainer flanged end epoxy coated with SS Screen 80mm Dia complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

S&F in repairs CI Balancing Valve flanged End PN1.6 with SS Disc 50mm dia complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

S&F in repairs CI Balancing Valve flanged End PN1.6 with SS Disc 65mm dia complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

S&F in repairs CI Balancing Valve flanged End PN1.6 with SS Disc 80mm dia complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

M&L for Servicing of package type ACs of any capacity including cleaning condenser and cooling coil with air blower to remove the impurities dust and foreign materials, cleaning of filters of suspended indoor unit, refixing the same after complete repair/servcing rewinding of fan motor with replacement of unserviceable parts and Carry out check necessary brazing work to copper tubing and charging the refrigerant as per existing/NON-CFC class complete for 8.5 ton capacity package type AC complete installed at Station Logistic Section all as specified and as directed by Engr-in-Charge.

M & L for insulating the AC Plant Ducting in repair with thermocol 2" thick, steel wiremesh, bitumin and cementing plaster - all in prescribed ratio as specified and directed.

S & F in repairs Damper Actuators - NON Spring Return Type Actuators Floating control, Model Number: CN4634A1001 34Nm,230V, IP54 Protection.

S&f in repairs Finned Strip heater elements of 2.0/2.5 Kw capacity of lengths from 1.5 to 2.5 ft. and as per site requirment. made of Stainless Steel, GP Sheathing having the heat Resistance Chrome nickle 80/20 element protected under the best insulation

M & L of servicing of Air Curtain 1 phase, 240 Volts, 50 Hz, 5 Mtrs throw range vertically downstream, velocity 12 to 18 m/sec - removing the major parts cleaning, checking the blower, shaft, blower motor, direction louvers, power supply refitting, testing and commissioning at Stn Logistics section all as specified and directed by Engr-in-Charge.

star electricals

M/S SOLANKI GENERAL SUPPLIERS

L C ASSOCIATES

Pioneer Enterprises