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

Amount

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

S & F in replacement of Micro processor based PCB card and display unit for 3x13 TR capacity AC plant complete all as specified and directed. Make: - Blue star.

S& F in repair Drier Filter suitable for ductable type AC Plant size 5/8" complete all as specified and directed. Make: Danfoss / Indofoss.

M&L Humidity control system for all 3 AHUs including control wiring and replacement of un-serviceable 0.50HP pump complete all as specified and directed.

S&F in repair MCB, curve-10kA TP - 40 Amps complete all as specified and directed.

Cleaning of water cool condenser coil through Non corrosion chemical of scroll type compressor of capacity 3x13 TR using velin clean as descaling compound and removing all waste/foreign material complete all as specified and directed.

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

De-scaling of complete system of chilled water supply and return line of all 3 magzine including cleaning of strainers, using velin clean as descaling compound and removing all waste/foreign material complete all as specified and directed.

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

M&L Repair/servicing, greasing of condenser/chiller pump motor of cap 7.50 HP after taking down and re-fixing the same at its existing location with proper alignment including replacement of following accessories complete all as specified and directed.: - (a) Gland bush , studs, nuts & washers (b) Ball bearing of pump set (c) Re-melting grinding and polishing of pump shaft as per existing size and shape complete. (d) Gland packing, greasing in pump bearings and making its proper alignment etc (e) Rewinding of motor

M&L Repair/servicing greasing etc of Condenser/Chiller pump motor of capcity 10.00 HP after taking down and re-fixing the same at its existing location with proper alignment including replacement of following accessories complete all as specified and directed.: - (a) Gland bush , studs, nuts & washers (b) Ball bearing of pump set (c) Re-melting grinding and polishing of pump shaft as per existing size and shape complete. (d) Gland packing, greasing in pump bearings and making its proper alignment etc (e) Rewinding of motor

M&L Repair/servicing greasing etc of Condenser/Chiller pump motor of capcity 12.50 HP after taking down and re-fixing the same at its existing location with proper alignment including replacement of following accessories complete all as specified and directed.: - (a) Gland bush , studs, nuts & washers (b) Ball bearing of pump set (c) Re-melting grinding and polishing of pump shaft as per existing size and shape complete. (d) Gland packing, greasing in pump bearings and making its proper alignment etc (e) Rewinding of motor

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

S&F in replacement LP cut off control cut out 12 volt suitable for Scroll type AC of capacity 3x13 TR complete all as specified and directed. Make: - Danfoss / Indo Foss or eqivalent make as approved by GE.

S&F in replacement HP cut off control cut out 12 Volt suitable for Scroll type AC of capacity 3x13 TR complete all as specified and directed by Engineer-in-charge. Make: - Danfoss / Indo Foss or equivalent make as approved by GE.

S&F in replacement LP sensor 12 volt suitable for scroll type AC of capacity 3x13 TR complete all as specified and directed. Make: - Danfoss / Indo Foss or equivalent make as approved by GE.

S&F in replacement HP Sensor 12 volt suitable for scroll type AC of capacity 3x13 TR complete all as specified and directed Make: - Danfoss/Indo Foss or equivalent make as approved by GE.

S&F in replacement unserviceable control card of chiller plant complete all as specified and directed.

Servicing and repair of AHU filter by opening ,cleaning & Re-fixing the same at existing place complete all as specified and directed.

Servicing and repair of Oil Filter by opening , cleaning & re-fixing the same at existing place complete all as specified and directed.

Repair and maintenance of thermal insulation with thermocol 50 mm thick and width not exceeding 200mm covered with chicken wire mesh and 10 mm CM 1:6 on the top Edge at Supply and return pipe complete all as specified and directed.

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

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

Filling compressor oil of best quality used in scroll type compressor of capacity13 TR complete all as specified and directed. Make: - Hindustan Refrigeration or equivalent make as approved by GE.

S&F in repair Expansion valve suitable for 13 TR AC plant complete all as specified and directed. Make: - Danfoss or equivalent make as approved by GE.

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

S&F in repair Gun metal Gate valve of 25 mm size complete all as specified and directed.

S&F in repair wire mess jally in strainer at AHUs complete all as specified and directed.

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

S&F in repair butterfly valve suitable for 80mm bore pipe 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 chilled 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.

Taking down old unserviceable harmatic sealed compressor of Refrigerator 310/280 Ltr, capacity, supply and fix 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 on 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 etc complete with necessary guarantee period as per company terms and conditions (ii) The new unit will be purchased from authorized dealers only.

Taking down old unserviceable harmatic sealed compressor of Refrigerator 165/170/180 Ltr, capacity, supply and fix 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 on 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 etc complete with necessary guarantee period as per company terms and conditions (ii) The new unit will be purchased from authorized dealers only.

M&L 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 286/310 Ltr capacity refrigerator complete all as specified and directed.

M&L 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 165/170/180 Ltr capacity refrigerator complete all as specified and directed.

S&F in replacement of relay suitable for 286/310 Liters capacity refrigerator Cat No MLA-043 complete all as specified and directed.

S&F in replacement of relay suitable for 165 Liters 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 165/286/310 liters capacity refrigerator complete all as specified and directed.

S&F in replacement of freezer door including necessary door springs, screws etc for 286/310 Ltrs. capacity Refrigerator complete all as specified and directed.

S&F in replacement of freezer door incl. necessary door springs, screws etc for 165 Ltrs. capacity Refrigerator complete all as specified and directed.

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 chiller tray suitable for 286/310 Ltrs Capacity refrigerator of matching colour or tint complete all as specified and directed.

S&F in replacement of PVC chiller tray suitable for 165/170/180 ltrs capacity refrigerator of matching colour or tint complete all as specified and directed.

S&F in replacement of door handle suitable for 165/170/180 ltrs capacity refrigerator of matching colour or tint complete all as specified and directed.

S&F in replacement of freezer assembly including gas charging, jointing of tubes etc. and testing of 286/310 Ltrs capacity refrigerator complete all as specified and directed

S&F in replacement of freezer assembly including gas charging, jointing of tubes etc. and testing of 165/185 Ltrs capacity refrigerator complete all as specified and directed

S&F in replacement of condenser unit of refrigerator capacity 286/310 Ltrs including jointing of tubes and testing complete all as specified and directed. Note: Gas charging will be measured and paid for separately.

S&F in replacement of condenser unit of refrigerator capacity 165 Ltrs including jointing of tubes and testing complete all as specified and directed Note: Gas charging will be measured and paid for separately.

S&F in replacement of unserviceable cut sealed compressor of window type/ split type AC 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: - (i) The rate quoted by the contractor shall be inclusive of all charges like transportation, fittings, gas charging etc complete with 1 year guarantee period . (ii) The new compressor unit will be purchased from authorized dealers only as per existing make and model.

S&F in replacement blower motor 1/5 HP,speed 900RPM suitable for window/split type AC including testing complete all as specified and directed .

S&F in replacement of condenser fan motor of Speed 900 RPM of window/split Air conditioner of capacity 1.5 TR complete all as specified and directed .

S&F in replacement of running capacitor (clip type) 36 MFD, 240 volts 50 cycles for window type air conditioner 1.5 Ton Capacity 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 .

M & L 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 as directed .

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

S&F in replacement of blade of condensing fan motor for window type AC 1.5/2.0 TR complete all as specified and directed .

Taking out window type AC from site of any capacity and 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 two coats of synthetic enamelled paint of approved colour with spray machine and writing of serial No SM/MES No. and reinstalled the AC in position complete all as specified and directed . Note: - Any damage occurred during repair, contractor will be responsible to rectify defects without any cost to the Govt.

Servicing /overhauling of split type AC unit capacity 1.5 Ton including painting to outer cover and components with two coats of synthetic enamelled paint with spray machine of any colour as approved including following complete all as specified and directed : - (a) Cleaning and de scaling 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 all as directed.

S&F in replacement of refrigerant pipe or tube (Copper) for split type AC 1.5/2.0 ton complete all as specified and directed .

S&F in replacement of blade for condensing fan motor suitable for split type AC 1.5 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 .

S&F in replacement of unserviceable harmatically sealed compressor suitable for water cooler cooling capacity 60 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 .

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

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

S&F in replacement condenser 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 per hr 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 .

S&F in replacement water storage tank top cover made out of 22 gauge mild steel sheet (approximate 0.30 Sqm area) including making good with painting two coats of synthetic enameled paint to match the existing colour complete all as specified and directed by Engineer-in-charge.

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

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

S & F in replacement push cock, 15mm bore made of brass chromium plated self closing, vertical typecomplete all as specified and directed .

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

Preparation of surfaces including cleaning and washing and spray painting to water cooler of capacity 40 / 60 Ltrs/hr 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 (ISI 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 .

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 / hr 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 Ltrs / hr complete all as specified and directed .

S&F in replacement condenser unit complete suitable for 40/60 Ltrs / 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 .

Painting to old steel surfaces of Desert cooler up to 5000 cfm with two coats of synthetic enamel paint with spray machine on external surface and two coats of anti corrosive black paint inside the Body tank and side grills including scraping / rubbing with wire brush and writing of MES No. etc complete all as specified and directed .

S&F in replacement submersible pump of discharge head 2.5 Mtr 220-240 Volts AC supply single phase 40 watt complete all as specified and directed .

S&F in replacement wood / wool chips pad for Desert Cooler of size 600 x 550 x 30mm (set of three pads) superior quality complete all as specified and directed .

S&F in replacement supporting jalli of wood/wool chips pad (set of three) made out of hard MS wire and fitted in side louvers complete all as specified and directed .

S&F in replacement PVC insulated and PVC sheathed cable copper conductor 3 core 23/0.0076 cross sectional area (superior quality) complete all as specified and directed .

S&F in replacement PVC water distributor of 3 out lets with MS nuts and bolts complete all as specified and directed .

S&F in replacement PVC elbow suitable for desert cooler complete all specified and directed .

S & F in replacement of fan blade suitable for 4000/ 5000 cfm desert cooler motor complete all specified and directed .

S&F in replacement PVC pipe 15mm dia heavy duty for Desert Cooler Pump complete all as specified and directed.

S&F in replacement 3 pin plug top of capacity 5 Amp AC 240 Volts 50 Hz.complete all as specified and directed .

S&F in replacement motor fixing ring with eight screw (clip type) for desert cooler complete all as specified and directed .

Rasam Engg Co.

Godara Construction and General Suppliers