CERTAIN REPAIRS TO AC PLANTS AT TECH AND DOMESTIC AREA AT AFS 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 conducted for 12 hours to the 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 plant 2 ,Make- Blue star Chiller S/No- MRI00092 ,MRI00093 and MRI00094 Model No XWC2S-026AR2 installed at WSA all as specified and directed by Engineer-in-charge Notes: (a) Cost of requiste Tools & Plants, repairing, servicing other than electrical/electronic components, spares shall be deemed to be included to the quoted rate. (b) AC plant servicing, AHU servicing, defects rectification , testing and commissioning shall be got carried out through the Authorised Service Technicians only by the contractor under his own arrangements and expenses. (c) Cost of descaling chemicals, refrigerants, electrical/electronic components, spares shall be measured and paid for separately under respective items of BOQ.

All as per item No 1 here-in-before 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 here-in-before 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.before

All as per item No 1 here-in-before but 39 TR capacity, Chiller S/No D000006, 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 here-in-before 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 for rectification of leakage of gas in chillers with Nitrogen Pressure Testing, plugging of tubes (if the number of leaked tubes not more than 5%) removing of end shields of Evaporator and condensor to check and repair of leakage, Refrigerant charging, testing and recommissioning of chiller S/No D000009 at UG Base Ops complete all as specified and as directed by Engineer-in-Charge. Note:- Refrigerant charged shall be measured and paid for separately.

S&F in replacement scroll compressor new factory made for 12 TR AC plant at SES complex, as per existing, filled with compressor oil and charged with gas R-22/R-407C including testing, commissioning complete all as specified and as directed by Engineer-in-Charge. Make Danfoss, Model No. SM 185S4RC and SZ185S4RC , capacity 12 TR. Note:- Refrigerant charged shall be measured and paid for separately.

M & L for complete servicing and descaling of draft typr cooling tower of FRP of capacity 120 TR, Model FM619E/S at UG Base Ops complete with all accessories, basin, fittings & fan motor complete and replacement of PVC corrugated honeycomb double edge folded fills, PVC sprinkler pipe and its controlling system alongwith bottom side & top aluminium net protection including cleaning of makeup water tank, 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 Engineer-in-Charge. Cooling tower of capacity 120 TR, Make: MIHIR, Model FM619E/S at UG Base Ops. Note: PVC corrugated Honeycomb double edge folded fills of size 600x300x150x1.75mm shall be measeured and paid for separately.

All as per Item No 08 here-in-before but Cooling Tower of Capacity 100 TR, Make Pole, Model 4100 at North Wing of R&SS Hangar

All as per Item No 08 here-in-before but Cooling Tower of Capacity 80 TR, Make Pole, Model 4080 at North Wing of Tech Flt (Unit) Hangar & SES Bldg

All as per Item No 08 here-in-before for Cooling Tower of Capacity 50 TR, Make Pole, Model 4080 at CENGO Bldg.

All as per Item No 08 here-in-before for Cooling Tower of Capacity 40 TR, Make Pole, Model 4040 at South Wing of R&SS Hangar & South Wing of Tech Flt (Unit) Hangar

All as per Item No 8 here-in-before for Cooling Tower of Capacity 25 TR, Make Mihir at WSA.

M&L for repair & servicing of Air Handling Unit parts complete ie Housing/Caping construction, Motor & Drive, Fan, Cooling coils, filters & accessories including replacement of Fan Belts, unserviceable electric/electronic part of the unit, Clogged unusable Filters,hot water tank painting & repair, broken fan shaft pully, unserviceable cooling coils 12 mm dia, 24 G thick with aluminum fins of the AHU of 1000 to 16000 CFM, Model ZDS-160, Make ZECO, S/No 1. all as directed by Engineer-in-Charge.

All as per Item No 14 here-in-before but AHU of 15500 CFM, Model ZDS-160, Make ZECO, S/No 1263704 installed at Unit Hangar North Wing

All as per Item No 14 here-in-before but AHU of 15200 CFM, Model ZDS-160, Make ZECO S/No 1263703 installed at R&SS Hangar North Wing

All as per Item No 14 here-in-before but AHU of 14500 CFM, Model ZDS-150, Make ZECO, S/No 1263709 installed at R&SS Hangar South Wing

All as per Item No 14 here-in-before but AHU of 13500 CFM, Model ZDS-140, Make ZECO S/No 1263705 installed at R&SS Hangar North Wing

All as per Item No 14 here-in-before but AHU of 9000 CFM, Model ZDS-100, Make ZECO, S/No 1426805 &1426805-2 installed at SES Bldg.

All as per Item No 14 here-in-before but AHU of 8000 CFM, Model ZDS-80 S/No 1263701-01 & 02 & 1426804 installed at R&SS Hangar South Wing and CENGO Bldg

All as per Item No 14 here-in-before 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 Bldg.

All as per Item No 14 here-in-before 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

All as per Item No 14 here-in-before but AHU of 6000 CFM, Model ZDS-60, Make ZECO, S/No 1426803 installed at CENGO Bldg.

All as per Item No 14 here-in-before but AHU of 5800 CFM, Model ZDS-60, Make ZECO, S/No 1263708 installed at Unit Hangar North Wing

All as per Item No 14 here-in-before but AHU of 5600 CFM, Model ZDS-60, Make ZECO, S/No 1263707 installed at Unit Hangar North Wing

All as per Item No 14 here-in-before but AHU of 5000 CFM, Model ZDS-50, Make ZECO, S/No 1426802 installed at SES Bldg.

All as per Item No 14 here-in-before but AHU of 4000 CFM, Model ZDS-40, Make ZECO, S/No 1426806 installed at CENGO Bldg.

All as per Item No 14 here-in-before but AHU of 3000 CFM, Model ZDS-30, Make ZECO, S/No 1426808 installed at SES Bldg.

All as per Item No 14 here-in-before but AHU of 2500 CFM, Model ZDS-2.5, Make ZECO, S/No 1426801 installed at CENGO Bldg.

All as per Item No 14 here-in-before but AHU of 1600 CFM, Model ZDS-1.6, Make ZECO, S/No 1426807 installed at CENGO Bldg.

S&F in replacement aluminium Fan blade 27"(inch)(700mm) long for AC plant cooling tower as per sample complete all as specified and directed (Unit Hangar South Wing).

All as per item no 31 here-in-before but 34''(inch) (900mm)Long for AC plant cooling tower as per sample complete all as specified and directed. (R&SS North Wing)

All as per item no 31 here-in-before but 53''(inch) (1300mm)Long for AC plant cooling tower as per sample complete all as specified and directed. ( Unit Hangar North Wing and UG Base)

All as per item no 31 here-in-before but 56''(inch) (1500mm)Long for AC plant cooling tower as per sample complete all as specified and directed. (R&SS South Wing)

S&F in replacement aluminium Sprinkler 3"(inch) dia 4 way for AC plant cooling tower as per sample complete all as specified and directed.

All as per item no 35 here-in-before but 4"(inch) dia 4 way for AC plant cooling tower as per sample complete all as specified and directed.

All as per item no 35 here-in-before but 5"(inch) dia 4 way for AC plant cooling tower as per sample complete all as specified and directed.

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

S&F in replacement 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 and servicing of Monoblock pump (Horizontal Type) upto 7.5 HP capacity, 3 phase, 415 V from central air conditioning plant, dismantling the pump, including replacement of unserviceable impellers, bearings, gland packings, and shaft and mechanical water seal as per manufacturer's specifications, greasing, servicing, reassembling complete and refitting at site complete 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 7.5 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 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 replacement 125 mm dia cast iron Butter fly valve PN 1.6 with stainless steel disc lever insulated as per piping complete for all as directed by Engineer in Charge . Make : Audco/L&T or Equivalent ISI Marked

S&F in replacement 100 mm dia cast iron Butter fly valve PN 1.6 with stainless steel disc lever insulated as per piping complete for all as directed by Engineer in Charge . Make : Audco/L&T or Equivalent ISI Marked

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

S&F in replacement motor protection circuit breaker 6-10 Amps rating Double Frame complete all as specified and directed. Make : Schneider , model-GV2ME14

S&F in replacement motor protection circuit breaker 4-6 Amps rating Double Frame complete all as specified and directed. Make : Schneider , model-GV2ME10

S&F in replacement contactor 3 pole with AC Coil 18 Amps 415 Volts fixed in existing panel. MAKE: C&S

S&F for replacement of contactor 3 pole with AC Coil 25 Amps 415 Volts fixed in existing panel. MAKE: C&S

S&F in replacement contactor 3 pole with AC Coil 32 Amps 415 Volts fixed in existing panel. MAKE: C&S

S&F in replacement contactor 3 pole with AC Coil 40 Amps 415 Volts fixed in existing panel. MAKE: C&S

S&F in replacement contactor 3pole with AC Coil 115 Amp 415 Volts fixed in existing panel, MAKE: C&S

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

S&F in replacement thermal overload relay (Auto/Manual Reset) setting range 10 to 13 Amps, power rating for 3 phase motor at 415V fixed in existing panel. MAKE: Havells/L&T/SIEMENS/Legrand

S&F in replacementthermal overload relay (Auto/Manual Reset) setting range 13 to 18 Amps, power rating for 3 phase motor at 415 V fixed in existing panel. MAKE: Havells/L&T/SIEMENS/Legrand

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

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

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

S&F in replacement of MCB C Series TP 32 Amps fixed in existing Panel complete all as specified MAKE:ABB/L&T/SIEMENS/LEGRAND

S&F in replacement of MCCB C Series TP 125 Amps fixed in existing Panel complete all as specified MAKE:ABB/L&T/SIEMENS/LEGRAND

S&F in replacement 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/Polycab

S&F in replacement 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/Polycab

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

S&F in replacement chiller plants PCB suitable for 26 to 50 TR capacity of existing model complete all as specified and directed. Make: Blue Star, Model: Micro Processor Control/ SP-DX-2C WC/3C WC/4C WC, CH12V4 & DXCPU1

Material and Labour 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.

Material and Labour 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 replacement filter drier DFP-023Z0014 DCL 305 suitable for Ac plant complete all as existing specified and directed.

S&F in replacement Thermostatic Expansion valve suitable for AC plant complete all as existing specified and directed. Make : Danfoss or Equivalent

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

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

Supply and fill condensor,cooling tower,chiller descaling chemical suitable for AC Plant complete all as specified and directed.

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

S&F in replacement 125mm dia CI Y Strainer flanged end epoxy coated with SS Screen complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

S&F in replacement 100mm dia CI Y Strainer flanged end epoxy coated with SS Screen complete all as specified and directed. Make : Honeywell or equivalent ISI Marked

M&L of 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 Engineer-in-Charge. (Note:-Gas for charging shall be measured and paid for separately)

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

M & L for servicing of Air Curtain 1 phase, 240 Volts, 50 Hz, 5 m 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.

S & F ERW or induction butt weld M.S tube black conforming to IS:1239 part-1 (2004) grade Yst 240 of size 125 mm dia including all jointing complete all as specified and directed.

S & F ERW or induction butt weld M.S tube black conforming to IS:1239 part-1 (2004) grade Yst 240 of size 100 mm dia including all jointing complete all as specified and directed.

S & F ERW or induction butt weld M.S tube black conforming to IS:1239 part-1 (2004) grade Yst 240 of size 40 mm dia including all jointing complete all as specified and directed.

M & L for taking out ,cutting to old unserviceable M S pipe and jointing to new M S pipe and Flange by welding with existing pipe of size 40 to 125 mm dia.

S & F M S weldable flange PN 16 of size 100 mm dia including all jointing complete all as specified and directed.

S & F M S weldable flange PN 16 of size 125 mm dia including all jointing complete all as specified and directed.

S & F M S long pipe bend ERW medium grade of size 125 mm dia including all jointing complete all as specified and directed.

S & F M S long pipe bend ERW medium grade of size 100 mm dia including all jointing complete all as specified and directed.

S & F Cooling Tower motor flange base 3 HP, 920 rpm, three phase squirrel cage induction electric motor.

S & F Cooling Tower motor flange base 5 HP, 920 rpm, three phase squirrel cage induction electric motor.

M&L for providing and installing FRP inducted draught counter flow bottle shape cooling tower body of capacity 50 TR including riser pipe of suitable size by taking down unserviceable body and fitting new one properly in position including connection of riser pipe with condenser water pipeline either with fittings or welding and sealing properly, providing anti vibration padding complete all as specified and as directed. Specification of cooling tower are as below: 1) Water Flow rate : 750 LPM 2) Hot water temp : 37◦c 3) Cold water temp : 32◦c 4) wet bulb temp : 28◦c

M&L for providing and installing FRP inducted draught counter flow bottle shape cooling tower body of capacity 100 TR including riser pipe of suitable size by taking down unserviceable body and fitting new one properly in position including connection of riser pipe with condenser water pipeline either with fittings or welding and sealing properly, providing anti vibration padding complete all as specified and as directed. Specification of cooling tower are as below: 1) Water Flow rate : 750 LPM 2) Hot water temp : 37◦c 3) Cold water temp : 32◦c 4) wet bulb temp : 28◦c

M&L for masonary foundation with cement concrete footing in second class brick work and cement mortar 1:6 for cooling tower of capacity 60 TR including by demolishing the existing foundation complete all as specified and as directed.

Supply and fixing in replacement Y-strainer mesh of any size by dismantling y-strainer and removing old mesh and fitting new one complete all as specified and as directed

M&L for providing and installing PVC mesh for dust/dirt prevention suitable for cooling tower of capacity 50 to 100 TR by taking down unserviceable mesh and fixing new one properly using nuts&bolts/ fasteners in position complete all as specified and as directed.

S & F in replacement HMI(Display of chiller controller) of chiller conrol panel including wiring of HMI to chiller controller complete all as specified and as directed. Make : Blue star

Preparation of old painted steel surface of panel body of any size including scrapping old paint,denting and applying two coats of spray paint using synthetic enamel paint over a coat of red oxide primer complete all as specified and directed by Enginner-in-charge.

Supply ,installation and testing of online eletrostatic non chemical water treatment sytem with eletrically operated control panel to be fixed on Main header line suitable for 3 X 24 TR AC plant at WSA and water flow 1080 LPM each dia of pipe 100 mm in condenser circuit .The outer casing shall be of 304 grade stainless stell with both end flanged and capacble of preventing scale formation .The work includes cutting of existing GI/MS sub header and providing mild steel flange heavy duty and joining with nut & bolts ,gasket at both ends with welding and modificatrion in existing system as required. Make :- Scale off Model No 5013 by Weldon Engineer /Hydrocon/Scaloid

Akarsha Enterprises

M/S HARIOM CONSTRUCTION COMPANY

M/S SOLANKI GENERAL SUPPLIERS