REPAIR AND MAINTENANCE OF CENTRAL AC PLANT REFRIGETOR AND AC AT MIL STN JASAI UNDER GE ARMY BARMER

Amount

M&L for Charging of refrigerant (407) in the Scroll type chiller compressor of capacity 13 TR including topping of etc. complete as required and directed.

Supply and fix in repair of Micro processor based PCB card and display unit for 3x37.7 TR capacity AC plant complete all as directed. Make- Blue star.

Supply and fix in replacement Drier Filter suitable for ductable type AC Plant size 5/8" complete all as directed. Make: Danfoss / Indofoss

M&L for humidity control system for all 3 AHUs including control wiring including replacement of U/S 0.5 HP pump complete all as directed.

M&L in replacement for 3 pole MCB TP C-40 Amps complete all as directed. Make- ABB / Legrand / L&T/HAGER/GE/SIEMENS.

S&F in repair 15 mm dia Medium grade GI pipe for Water Supply pipe line to Humidifier Tank in AHU complete all as directed. Make: JINDAL/TATA/ITC.

S&F in repair 25 mm dia Medium grade GI pipe for Water Supply pipe line to Humidifier Tank in AHU complete all as directed. Make: JINDAL/TATA/ITC.

M & L for cleaning of water cool condenser coil through Non corrosion chemical of scroll type compressor of capacity 3x37.7 TR using velin clean as descaling compound and removing all waste/foreign material (One condenser coil one job) complete etc all as specified and directed.

S & f in replacement cooling tower motor of capacity 3.7 KW ,5HP ,930 RPM Insulation Class F ,415 volts 3 phase 50 HZ complete all as specified and directed of make OSWAL or other equivalent make

S & F in replacement of AHU filter EV-4 model complete all as specified and directed.

M & L for De-scaling of complete system of chilled water supply and return line of all 3 magz incl cleaning of strainers , using velin clean as descaling compound and removing all waste/foreign material complete all as specified and directed.

M&L for replacement of unserviceable Complete Control Wiring/Resetting of Chiller Plant by copper cable as per existing size all as specified and directed by Engr in-Charge.

M&L for cleaning, servicing of cooling tower of Chiller Plant with cleaning agent complete pipe lines, and FRP tank, greasing, servicing of cooling tower etc. & make the necessary alignment complete all as specified and directed.

M&L for repair/servicing greasing etc of Condenser/Chiller Pump motor Of cap 7.5 HP and re-fixing the same at existing location with proper alignment after replacing accessories as under: - (a) Rewinding of motor (b) Gland bush , studs, nuts & washers (c) Ball bearing of pump set (d) Remetling grinding and polishing of pump shaft to required size or all as directed (e) Gland packing ,greasing in pump bearings and making its proper alignment etc

All as per above item 14 here-in-before but of capacity 10 HP Motor.

All as per above item 14 here-in-before but of capacity 12.5 HP Motor.

M&L for finding out the leakage and pressure test of the condenser and cooling coil of Chiller Plant compressor of 13 TR each capacity and repair the leakage point by brazing/soldering including taking down/re-fixing the unit and testing the unit complete all as directed. Note: The Gas required for testing and charging will be measured and paid separately in relevant item of Schedule-'A'.

S&F in repair LP cut off control cut out 12 volt suitable for Scroll type AC Plant Compressor of capacity 13 TR etc all as specified and directed. Make: Danfoss /Indo Foss.

S&F in repair HP cut off control cut out 12 Volt suitable for Scroll type AC Plant Compressor of capacity 13 TR etc all as specified and directed. Make: Danfoss/Indo Foss.

S&F in repair Inlet Water Temperature sensor 12 volt suitable for Scroll type AC Plant of capacity 37.7 TR etc all as specified and directed. Make: Danfoss/Indo Foss.

S&F in repair Outlet Water Temperature Sensor 12 Volt suitable for Scroll type AC Plant of capacity 37.7 TR etc all as specified and directed. Make: Danfoss/Indo Foss.

S & F in replacement of unserviceable Control Card of AC Chiller plant 37.7 TR Unit Complete all as specified and directed.

Repair and servicing if required of Oil Filter by Opening & Cleaning & Re-fixing of the same at existing place etc all as specified and directed.

Repair and servicing if required of AHU filter by Opening & Cleaning & Re-fixing of the same at existing place etc all as specified and directed.

S&F in replacement 3 Pole Relay contactor 50 A Single Phase coil voltage 220 V 50 Hz with NO-NC complete all as directed.

S&F in replacement 125 Amps connector strip complete all as specified and directed.

S&F in replacement Push Button for start & stop complete all as specified and directed.

S&F in replacement NO + NC suitable for push button switch three phase 7.5HP Pump set all as directed.

M & L for dismantling of existing 13 TR scroll type Compressor and disconnection of power cable ,draining out the refrigerant as per direction of Engineer-in-charge as required.

S & F scroll type compressor capacity 13 TR, Model No.-SZ 185 S4RC make Danfoss including flushing with N2 gas complete all as specified and directed.

M & L for repair and maintenance of thermal insulation with thermocol 50 mm thick and width not exceeding 200mm covered with chicken wire mesh and 10 mm cement sand plaster on the top Edge at Supply and return pipe complete all as specified and directed.

S&F in replacement Pressure gauge with siphon & cock complete all as specified and directed.

S&F in replacement thermometer complete all as specified and directed.

M&L for Compressor oil of best quality used in scroll type compressor of cap-13 TR. Make - Hindustan Refrigeration complete all as specified and directed.

S &F in replacement Expansion valve suitable for 13 TR AC plant all as directed. Make - Danfoss or equivalent.

S&F in replacement foot valve 80 mm size, made out of brass in compressor and chiller line all as directed.

S&F in replacement Gun Metal Gate valve 25 mm size complete all as specified and directed.

S&F in replacement wire mesh (Jally) in strainer at AHUs complete all as specified and directed.

S&F in replacement Single phase preventer complete all as specified and directed.

Supply and fix in replacement butterfly valve 80mm complete all as specified and directed.

S& F Super flex insulation strip 100 mm wide and 1.5 mm thick to protect the dissipation of water temperature for chilld water supply and return pipe line. (Each roll have 10 mtr of strip) complete all as specified and directed.

S & F in replacement AHU belt of suitable size as per Existing belt complete all as specified and directed.

S&F in replacement AHU Motor Pulley No-115x2Ax28,SCH No-30,JC-10389 complete all as specified and directed.

S & F in replacement PVC insulated PVC round shethed copper conductor cable(Flexible) 10 Sqmm 3core,1100 Volts grade complete with cable copper lugs with cconnection including testing complete fixing to main panel to PCB panel all as specified and directed.

Supply and fix in replacement safety valve of compressor line as per existing complete all as specified and directed.

S & F in replacement buttrefly valve suitable for 100 mm dia complete all as specified and directed.

S & F in replacement adjustable thermal & fixed magnatic seting MCCB 630 Amp 4 pole of 65 ka complete all as specified and directed.

S & F in replacement MCCB 400 Amp 4 pole of 35 KA complete all as specified and directed.

S & F in replacement MCCB 125 Amp 3 pole of 26 KA complete all as specified and directed.

S&F in replacement of Water Flow Switch including testing commissioning complete all as specified and directed.

Material and labour for replacement of unserviceable hermatic sealed compressor of Refrigerator/ Deep Freezer 280 Ltr to 320 Ltr, Capacity with fresh new uncut sealed compressor with suitable relay and over load as per the company scheme supplied by the manufacture including flushing out system, checking and rectification of leakage, gas charging and testing after completion of work at MES store yard for satisfactory function complete all as specified and directed. Note :- (i) The rate quoted by the contractor shall be inclusive of all charges like transportation, fitting, testing and commissioning etc complete with one year guarantee period as per company terms and conditions, (ii) The new unit will be purchased from authorized dealers only.

All as per ser item No 52 above here-in-before but for below 280 Ltr capacity Refrigerator complete all as specified and directed.

Material and labour for flushing out system , checking and rectification of leakages if any and make it serviceable including gas charging with refrigerant 134 A , oil charging in compressor of 280 to 320 Ltr capacity Refrigerator / Deep Freezer complete all as specified and directed.

All as per ser item No 54 above here-in-before but below 280 ltrs capacity refrigerator complete all as specified and directed.

S & F in replacement of relay suitable for 280 to 320 Ltr capacity refrigerator / Deep freezer Cat No MLA-043 complete complete all as specified and directed.

All as per ser item No 56 above here-in-before but capacity below 280 ltrs capacity Refrigerator Cat No MLA-042/033 complete all as specified and directed.

S&F in replacement of thermostat automatic `R' frost with knob suitable for 165 to 320 liters capacity refrigerator complete all as specified and directed.

S&F in replacement of door gasket of best quality suitable for 280 to 320 liters capacity refrigerator / deep freezer complete as per manufacturer's instruction complete all as specified and directed

All as per ser item No 59 above here-in-before but for below 280 Ltrs Capacity.

S&F in replacement of bulb for pin /screw type , 230 Volts suitable for 165 to 320 Ltrs Capacity refrigerator complete all as specified and directed.

S&F in replacement of freezer door incl. necessary door springs, screws etc. for 280 to 320 Ltrs. Capacity Refrigerator complete all as specified and directed.

All as per ser item No 62 above here-in-before but for below 280 Ltrs capacity .refrigerator

S&F in replacement of door lock with 02 keys suitable for any capacity of refrigerator complete all as specified and directed.

S&F in replacement of PVC chill tray suitable for 280 to 320 Ltrs Capacity refrigerator of matching colour or tint complete all as specified and directed.

S&F in replacement of PVC chill tray suitable for below 280 ltrs capacity refrigerator of matching colour or tint complete all as specified and directed.

Material and labour for preparation of old painted steel surfaces of refrigerator capacity 280 to 320 ltrs and painting with applying two coats of synthetic enamel paint on external surfaces of refrigerator except cooling coil and compressor unit which will be painted with two coats of heat resistant black paint including writing of the words in height 4cm i.e. SM No, MES No complete all as specified and directed by Engineer-in-Charge. (Note: Refrigerators to be painted at different locations of different units under AOR of Jasai MES)

All as per ser item No 67 above here-in-before but below 280 Ltrs capacity refrigerator

S&F in replacement of refrigerator door handle suitable 165/ 286/320 Ltrs or any other capacity complete all as specified and directed.

S&F in replacement of freezer assembly including gas charging with screw, jointing of tubes etc. and testing of 280 to 320 Ltrs capacity refrigerator complete all as specified and directed

All as per ser item No 71above here-in-before but of capacity below 280 Ltr refrigerator.

S&F in replacement of condensor unit of refrigerator capacity 280 to 320 Ltrs including jointing of tubes and testing complete all as specified and directed. Note : Gas charging will be measured and paid for separately.

All as per above item No 72 here-in-before but for below 280 ltrs capacity refrigerator complete all as specified and directed.

S&F in replacement of unserviceable cut sealed compressor of window type/split type ACs 1.5TR capacity with new uncut sealed hermatic compressor unit supplied by the manufacturer including wiring as required to unit with flushing out system, checking and rectification of leakage, gas charging and testing after completion of work at MES store yard for satisfactory functioning complete all as specified and directed. Note :- (1) The rate quoted by the contractor shall be inclusive of all charges like transportation, fitting etc complete with one year guarantee period as per company terms and conditions, (ii) The new unit will be purchased from authorized dealers only.

All as per above item No 74 here-in-before but for window/split type AC of capacity 2.0 TR.

S & F in replacement blower motor 1/5 HP of Speed 900 RPM of window/Split Air conditioner (any make) and testing complete all as specified and directed.

S&F in replacement of condensor fan motor of Speed 900 RPM of window/Split Air conditioner of capacity 1.5 TR complete.

S&F in replacement of running capacitor (clip type) 36 MFD, 240 volts 50 cycles for window type air conditioner complete all as specified and directed.

S&F in replacement of starting capacitor (clip type) 80-100 MFD,440 volts 50 Hz for window type air conditioner complete all as specified and directed.

S&F in replacement of over load protector relay model No 1622/2085 for 1.5 Ton capacity window type AC complete all as specified and directed.

S&F in replacement of thermostat switch for window type AC 1.5/2.00 ton capacity complete all as specified and directed.

S&F in replacement of defective wiring set (with suitable copper wire) of window type AC 1.5 Ton/2 Ton capacity complete all as specified and directed.

Material and labour for flushing out system , checking and rectification of leakages if any and make it serviceable including gas charging with refrigerant R-22 , oil charging in compressor window type AC/ Split type AC capacity 1.5 Ton complete all as specified and directed.

S&F in replacement of cooling coil for window type AC 1.5 /2.0 ton capacity complete all as specified and directed.

S&F in replacement blade of condensor fan motor for window type AC 1.5 Ton Capacity complete all as specified and directed.

Material and labour for taking out window type AC from site of any capacity .and make for servicing including cleaning with air blower , cleaning and washing fins of cooling coil with caustic soda mixed water, taking out all dirt , sludge deposited, cleaning of air filter including oiling / greasing of condensing fan motor , spray painting of outer cover with 2 coats of synthetic enameled paint of approved colour as directed with writing of serial No SM/MES No. and reinstalled the AC in position with fixing of putty etc. complete all as directed. Note : Any damage occurred during repair for which contractor will be responsible to rectify defects without any cost to the Govt.

Material and labour for servicing /overhauling of split type AC unit capacity 1.5/2.0 Ton including painting to outer cover and components with two coats of synthetic enameled paint of colour complete all as specified and directed including following: (a) Cleaning and descaling of condensing unit and cooling coil with caustic soda mixed water and air blower and taking out all dirt /sludge etc. complete. (b) Greasing / oiling of blower fan motor. (c) Charging the gas as required to full fill the rated cooling effect.

S&F in replacement of refrigerant pipe or tube (copper) for split type AC 1.5/2.0 ton capacity complete( two pipes will be measured as single run).

S&F in replacement of blade for condensing fan motor suitable for split type AC 1.5/2.0 ton capacity complete all as specified and directed.

S&F in replacement of foam type insulated flexible pipe suitable for suction/discharge copper tubes fitted on split AC complete all as specified and directed.

S&F in replacement of unserviceable harmatically sealed compressor suitable for water cooler cooling capacity 40 liters/hour with new uncut sealed compressor supplied by manufacture including filling oil, gas charging, flushing out system, checking and rectification of leakage and testing complete all as specified and directed.

All as per item No 91 above here-in-before but for cooling capacityr 60 Ltrs Capacity.

S&F in replacement of copper filter and capillary tube of water cooler of cooling capacity 40/60 Ltr/hr complete all as specified and directed.

S&F in replacement relay with over load protectors suitable for 40/60 Ltr/hr cooling capacity water cooler complete all as specified and directed.

S&F in replacement condensor fan motor HP- 1/32 ,RPM-1300 suitable for water cooler having cooling cap 40/60 Ltr/hr with clips and motor fixing stand with fan blade complete all as specified and directed.

S&F in replacement thermostat switch with knob for water cooler having cooling capacity 40/60 Ltrs / hr complete all as specified and directed.

Material and Labour for patch repair work of worn out MS body of water cooler any capacity made out of 22 gauge mild steel sheet (approximate 0.25 Sqm area of patch) and making good with painting with two coats of synthetic enamel paint to match with existing complete all as specified and directed.

S&F in replacement PVC pipe, 25 mm bore, 70 cms in length with two Nos mild steel clamps and necessary brass screws etc. complete all as specified and directed.

S&F in replacement drip tray made out of 24 gauge stainless Steel sheet of size 30x12x5 cm deep with necessary GI and PVC connection arrangement complete all as specified and directed.

M & L for repair water storage tank top cover made out of 22 gauge mild steel sheet (approximate 0.30 Sqm area) including making good with painting with two coats of synthetic enamel paint to match the existing colour complete all as specified and directed.

S&F in replacement rubber beading fixed with top cover of water cooler of 40/60 liters/hour cooling capacity complete all as specified and directed.

S&F in replacement condensor fan motor mounting stand made out of mild steel sheet 3 mm thick size 400x150 mm and fixed on the existing base complete all as specified and directed.

Supply and fixed in replacement push cock, 15mm bore made of brass chromium plated self closing, vertical type complete all as specified and directed.

S&F in replacement connectors made of brass with chromium plated suitable for water cooler having cooling capacity 40 litres per hour complete all as specified and directed.

Material and Labour for preparation of surfaces including cleaning and washing and spray painting to water cooler of capacity 40 / 60 Ltrs/hour with spray painting with two coats of synthetic enamel paint (first quality) and writing MES No etc after painting complete all as specified and directed. Note : Painting to be done by the contractor at various location of units

S&F in replacement brass float valve 15 mm bore with PVC float ball (I.S.I Marked) with check nut /socket/GI nipple complete all as specified and directed.

S&F in replacement top cover of water cooler with rubber beading, hinges screws etc suitable for 40/60 Ltr/Hr capacity water cooler complete all as specified and directed.

M&L for flushing of system , testing and repairs of leakages in system, charging of Gas , Oil etc including testing and commissioning of water cooler having cooling Capacity 40/60 Ltrs.per hour complete all as specified and directed.

S&F in replacement fan blade for condensing fan motor suitable for water cooler having cooling capacity 40/60 Ltr/Hr complete all as specified and directed.

S&F in replacement condenser unit complete suitable for 40 Ltr/Hr capacity water cooler including gas charging, flushing out the system, brazing, welding and jointing the suction reed and discharge reed complete all as specified and directed.

S&F in replacement Top hinged - door fixed to base with hinges on top Juntion Box size 140mm x140mm x100mm shock proof, rust proof, weatherproof, fire retardent suitable for single phase/ 02 core wire system including 02 pole MCB 6-32A C curve, clamps/ bracket, nut bolts, necessary ficing arrangements complete all as specified and directed. Make: Sintex/Hensel or equivalent.

S&F in replacement Top hinged - door fixed to base with hinges on top Juntion Box size 275mm x135mm x110mm shock proof, rust proof, weatherproof, fire retardent suitable for single phase/ 02 core wire system including 02 pole MCB 6-32A C curve clamps/ bracket, nut bolts, necessary ficing arrangements complete all as specified and directed. Make: Sintex/Hensel or equivalent.

M/s Pankaj Enterprises