REPAIR MAINT OF AC PLANTS COOLING APPLIANCES AND OTHER CONNECTED MISC WORKS AT AIR FORCE STATION PATHANKOT

Amount

Comprehensive/preventive maintenance of the following Window / Split ACs / Water cooler / Refrigerator /Deep Freezer of different capacities by carrying out periodically maintenance of equipments including cleaning, lubrication, filling refrigerant gas etc, including chemical, anti moisture injection required for cleaning condenser/cooling coils complete and attending complete all as specified and as directed by Engr-In-Charge for following: (a) 1.5/2.0 Ton capacity Split AC

(b) 1.5/2.0 Ton capacity window type AC

(c) Water cooler of any capacity

(d) Refrigerator of any capacity

(e) Deep freezer of any capacity Note: (i) Window / Split ACs / Water cooler / Refrigerator /Deep Freezer shall be taken from department on "as and where installed" basis, (ii) Window/ Split ACs are to be maintained for heating as well as cooling mode where installed all as specified and directed. (iii) The contractor shall ensure and assesed at the site any initial maintenance required, to make the all Window/Split ACs/Water cooler / Refrigerator /Deep Freezer/Desert cooler in fully proper working condition. (iv) The date of periodical check will start from the date of commencement of work. (v) After completion of contract, contractor shall hand over the all " handed over Window / Split ACs / Water cooler / Refrigerator /Deep Freezer/Desert cooler" in perfect running/functioning condition to the department. (vi) Contractor shall provide his authorised Cell/mobile No. and local address to contact and communicate the message for any break down and contractor's rep will visit the office twice a day (0930 Hrs and 1700 Hrs) to collect the day to day complaints of any nature/type. (vii) Penalty for not rectifying the defect in time(within 24 hrs)will be charged to contractor and the amount of penalty @ Rs 1000/- per complaint will deducted from the due payment of contract. (viii) Complaints will be treated as rectified only after user's "Satisfactory slip "will be produced by contractor to concerned JE E/M. (ix) Cost of attending day by day complaint is included in the rate quoted under this item, no extra payment for attending complaint shall be made. (x) Old material obtained from spares replaced under this item shall be contractor's property and will be measured as per credit schedule. (xi) Cost of minor spares i.e, insulation to copper tubes, soldering, internal wiring to cooling appliances are deemed to be included in the item rate, items other than mentioned will be measured and paid seperately, Refrigerant gas will only be measured when major items i.e, Comperessor, Condensing coil, Cooling coils are replaced, else cost of refrigerant gas required for less cooling, due to leakage etc will be deemed to be included in quoted rates. Labour required to carryout the maint / repairs for all repairs including testing and commissioning shall be deemed to be included in item rate as quoted by the contractor. (xii) Cost of T&P i.e, ladders, tools, brazing, welding, soldering required and transportation is deemed to be included in quoted rates.

Supply only following items to be fixed under Item No. 1 (a) to (e) above:- (a) Running capacitor of capacity 1.5 to 2.5 MFD as per existing sample and requirement

(b) Running capacitor of capacity 4 to 8 MFD as per existing sample and requirement

(c) Running capacitor of capacity 10 MFD as per existing sample and requirement

(d) Running capacitor of capacity 30 to 42 MFD as per existing sample and requirement

(e) Running capacitor of capacity 45 to 60 MFD as per existing sample and requirement.

(f) Starting capacitor, 40/60 MFD to 80/100 MFD as per existing sample and requirement.

(g) Starting capacitor, 100/120 MFD to 120/150 MFD as per existing sample and requirement.

(h) Thermostat switch for cooling appliances as per existing sample

(j) Overload relay for cooling appliances as per existing sample

(k) Starting relay for cooling appliances as per existing sample

(l)Capillary tube special annealed double wound copper tubing as per existing sample

(m) Copper tubing for cooling appliances of required size as per existing sample

(n) Condensor Fan blade for cooling appliances of any size as per existing sample

(o) Blower Fan blade for cooling appliances of any size as per existing sample

(p) Blower Motor for cooling applinaces of any size as per existing sample

(q) Condensor Motor for cooling appliances of any size as per existing sample

(r) PCB card for refrigerator as per existing sample

(s) PCB card for Air conditioner including remote as per existing sample

(t) Push cock stainless steel as per existing sample for water cooler

(u) Float valve as per existing sample

(v) Plastic drain pipe for water cooler as per existing sample

(w) Plastic drain pipe for Air conditioner as per existing sample

(x) Swing motor for Air conditioner as per existing sample

(y) PVC connection as per existing sample

(z) Display unit of Split/Window AC

(aa) Strainer/Filter for cooling appliances as per existing sample

(ab) Gasket, suitable for magnetic door of Refrigerator of any make and capacity and as per sample

(ac) Chilling tray, suitable for Refrigerator of any make and capacity as per existing sample

(ad) Vegetable tray, suitable for Refrigerator of any make and capacity as per existing sample

(ae) Freezer chamber for refrigerator of any make and capacity as per existing sample

Material and labour for shifting of window/Split Air conditioner by safely removing it from existing location including making good to disturbed surfaces matching with existing and storing refrigerant gas securely and refixing the same at new location, providing proper insulation to Copper tubing and extention of existing copper tubing, providing mounting brackets for indoor and outdoor units if required including testing after shifting complete all as specifed and directed by Engr-In-Charge.

Supply and fixing in Replacement of electrical lead from main connection 3 core PVC insulated copper conductor of size 2.5 Sqmm in PVC conduit concealed/recessed as required at site complete all as specified and directed by Engr-In-Charge.

All as per item 37 above here in before but of size 4 sqmm complete all as specified and directed by Engr-In-Charge.

Supply and filling of Gas R-22 for charging to window/Split Air conditioner/Deep freezer and water cooler to maintain adequate gas pressure complete all as specified and directed by Engr-in-Charge.

All as per item 39 above here in before but for gas R-407/410 complete all as specified and directed by Engr-In-Charge

All as per item above here in before but for gas R-134A complete all as specified and directed by Engr-In-Charge

Material and labour for replacement of condensing coil made out of copper tubing with aluminum fins including brazing to unit and leak testing suitable for 1.5/2.0 Ton window/split AC as per sample complete all as specified and directed by Engr-In-Charge.

All as per item 42 above here in before but for Water cooler/refrigerator/deep freezer of any capacity complete all as specified and directed by Engr-in-Charge.

Material and labour for replacement of cooling coil made out of copper tubing with aluminum fins including brazing to unit and leak testing suitable for 1.5/2.0 Ton window/split AC as per sample complete all as specified and directed by Engr-In-Charge.

All as per item 44 above here in before but for refrigerator/water cooler/Deep freezer of any capacity as per sample complete all as specified and directed by Engr-In-Charge.

Taking out of desert cooler from the site, de-assembling, cleaning of distribution pipe for proper water spray on pads, oiling and greasing the fan motor and tullu pump, checking of electrical circuit, fixing broken parts with the help of nut bolts, welding if required etc complete all as specified and directed by Engr-In-Charge.

Material and labour for replacement of blower motor for Desert cooler as per sample complete all as specified and directed by Engr-In-Charge.

Material and labour for replacement of blower fan blade suitable for Desert cooler as per sample complete all as specified and directed by Engr-In-Charge.

Material and labour for replacement of submersible tullu pump suitable for desert cooler complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement indoor type unit of split type air conditioner 1.5 TR of existing make complete including blower, controller card, cooling coils remote control etc including testing and connection with outdoor unit complete all as specifed and directed by Engr-In-Charge.

Supply and fixing in replacement outdoor unit of split type air conditioner 1.5 TR of existing make including condensing coil, condensor motor and fan blade, hermetically sealed compressor suitable for Non CFC based Refrigerant gas, inlet outlet copper valves to connect with indoor unit and other accessories as required including testing and connection with indoor unit complete all as specifed and directed by Engr-In-Charge.

Supply and fixing in replacement indoor type unit of split type air conditioner 2.0 TR of existing make complete including blower, controller card, cooling coils remote control etc including testing and connection with outdoor unit complete all as specifed and directed by Engr-In-Charge.

Supply and fixing in replacement outdoor unit of split type air conditioner 2.0 TR of existing make including condensing coil, condensor motor and fan blade, hermetically sealed compressor suitable for Non CFC based Refrigerant gas, inlet outlet copper valves to connect with indoor unit and other accessories as required including testing and connection with indoor unit complete all as specifed and directed by Engr-In-Charge.

Supply and fixing in replacement front show grill of window AC 1.5 Ton capacity of any make as per sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement Metal clad Plug 2 pin and earth 20 Amps single phase complete all as specified and directed by Engr-In-Charge.

All as per item 55 above here in before but of capacity 32 Amps.

Supply and fixing in replacement Metal clad Socket for 2 pin and earth 20 Amps single phase complete all as specified and directed by Engr-In-Charge.

All as per item 57 above here in before but of capacity 32 Amps.

Material and labour for providing locking arrangement in water cooler tank for provisioning of padlock including hinges, fixing clamp, welding/nut bolts/rivetting as required complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement water collector rack in water cooler for safe flow of unused water as per existing sample complete all as specified and directed by Engr-In-Charge.

Material and labour for repair to broken gates of deep freezer/water cooler/Refrigerators by providing proper hinges at ends and to ensure complete compactness of the equipment to arrest cooling inside complete all as specified and directed by Engr-In-Charge.

Material and labour for replacement of rusted desert cooler body of desert cooler capacity upto 4000 cum/hr with front grill and three side louver fabricated out of 22 gauge mild steel plan black sheet and bottom water tank (sump) of size matching with existing fabricated out of 20 gauge mild steel plan black sheet including taking out and reinstallation complete with standard fitting such as PVC pipe for water, electric controls and switch, fan speed regulator rewiring of fan motor and water lifting pump including fixing and connecting existing cooler fan and electric pump with 3 core PVC insulated & PVC sheathed cables (min 3 mtr in length). External surface shall be spray painted over a coat of red oxide primer and internal surface of body cooler pump and motor shall be painted with two coat of bituminous paint over a coat of red oxide primer complete all as per sample and specified and directed by the Engr- in- Charge.

Material and labour for replacement of rusted louver suitable for desert cooler of capacity upto 4000 cum/hr as per sample complete all as specified and directed by Engr-In-Charge.

Material and labour for replacement of front grill including control panel prewired for desert cooler of capacity upto 4000 cum/hr as per sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement of wood wool pads different sizes as required with fixing accessories of superior quality /high density for desert cooler complete and all as specified and directed by Engr-In-Charge

Material and labour for removing the old unserviceable hermatically sealed compressor unit from Water cooler of 40/80 &160/120 ltrs capacity and fixing new sealed unit reciprocating type hermatically sealed compressor unit as per sample including charging of gas and oil to at adequate level complete all as specified and directed by Engr-in-Charge.

All as per item 66 above here in before but for 1.5 TR split/window type AC complete all as specified and directed by Engr-In-Charge

All as per item 66 above here in before but for 2.0 TR split type AC complete all as specified and directed by Engr-In-Charge

All as per item 66 above here in before but for upto 185 ltrs refrigerator complete all as specified and directed by Engr-In-Charge

All as per item 66 above here in before but for refrigerator above 185 ltrs but upto 320 ltrs refrigerator complete all as specified and directed by Engr-In-Charge

All as per item 66 above here in before but for Deep freezer of capacity above 185 ltrs upto 320 Ltrs complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement Plug Top 5 Amps, 230 volts AC complete all as specified and directed by Engr-In-Charge.

All as per item 73 above here in before but for 15 Amps complete all as specified and directed by Engr-In-Charge.

Supply & fixing in replacement of potential correction unit, with digital display and designed for input variation between 140 V to 250 V with output voltage stabilized at 230 V within tolerance limit and suitable for AC of capacity 2.0 Ton not less than 5 KVA complete all as specified and directed by Engr-In-Charge.

Supply and fixing Gate valve of size 15mm dia with ISI marked

Material and labour for servicing of central AC plant unit of any type and capacity upto 39 ton at site including, cleaning/descaling of cooling coil, insulation of suction and discharge line, oiling, greasing of blower motor, checking of electrical circuit supply and and replacement of defective filter, relay, capacitor over load protector etc as required, rewiring if necessary complete all as specified and directed by Engr-in-Charge. Note: Acid/Scale removal compound and required T&P should be provided by contractor without any extra cost. Note: Items to be replaced needs to be checked only for serviceability and will be measured and paid seperately under respective item of schedule

Material and labour for taking down unserviceable motor from site transporting to workshop and back after repair including dismantling of motor & taking out burnt winding and re-winding with enamelled copper wire of same gauge including providing insulation as per existing including reassembling motor after repair including greasing of bearings, including alignment and testing at site complete all as specified and directed.

Supply and fixing Filter drier with flared/soldered connection as per sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement strip heaters 3.0 kilowatt suitable for mounting in AC Plant ducts or as required complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of PVC honey comb fins suitable for cooling Tower of capacity upto 3x39 TR complete as per sample all as specified and directed by Engr-in-Charge

Material and labour for replacement of water distribution flaps of cooling tower of AC Plant capacity upto 3x39 TR as per sample complete all as specified and directed by Engr-In-Charge.

Material and labour in replacement of air filter of AHU as per sample made of suiable filter with efficiency not less then 90% class 1 to 10 micron, matching with existing sample complete all as specified and directed by Engr-in-Charge.

Material and labour for cleaning of Cooling tower of any capacity by draining out water from inside, and including descaling of base tank and sprinkler including cleaning of complete assembly complete all as specified and directed by Engr-In-Charge.

Material and labour for cleaning of base tank of Air cooling plant having blower motor of 15 HP capacity by draining out water from inside and including descaling of tank and water sprinklers including cleaning of complete assembly complete all as specified and directed by Engr-In-Charge.

Supply and changing/top up of compressor oil N-68 to AC Plant compressor upto adequate level complete all as specified and directed by Engr-in-Charge.

Repair/servicing of air handling unit, cleaning of all duct from A.H.U.to supply air grill and cleaning/descaling of cooling coil, water pressure meter, greasing to bearings and taking out the dust and mud complete all as specified and directed by Engr-In-Charge

Material and labour for preparation of old surfaces for painting of existing Desert cooler/Water cooler/MS Pipes and applying two coats of synthetic enamelled paint of color matching with existing over one coat of primer red oxide complete all as specifed and directed by Engr-in-Charge.

Supply and fixing in replacement water spray nozzles 32mm dia of Air cooling plant as per sample complete all as specified and directed by Engr-In-Charge

Supply and fixing in replacement air grills/diffusers fabricated out of powder coated extruded aluminum sections including bird screen/VCD etc as per sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement of by pass safety valve for AC plant of capacity upto 39 TR as per sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement electrostatic scale preventor as per sample suitable for upto 390TR AC plant complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement water pressure gauge assembly complete with connection pipe to the existing pipe line complete with matching with existing sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement temperature gauge assembly able to display temperature in degree and farheniet complete including connection to the existing pipe line matching with existing sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement HP/LP cutout complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement V belt of any size matching with existing sample complete all as specified and directed by Engr-In-Charge

Supply and fix 3 phase, 415 volts, 750 RPM of capacity 2 HP cooling tower motor as per site requirement all as specified and directed by engr in charge.

Supply and fix in replacement sheetmetal enclosure single pole and neutral with a two pin and earth plug and socket complete with one single pole MCB 240 Volts 20 Amps complete all as specified and directed by Engr-In-Charge.

Supply, assembly and erection of GI sheet with C&SS rectangular/square duct made out of 'L' shaped hollow profile, duly factory boxed including all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealant on longitudinal joints etc complete of size 20 Gauge complete all as specified and directed by Engineer-in-Charge.

Servicing of dehumidifier by disconnecting the electrical connection, opening , cleaning the filters and duct checking electrical heaters, cleaning the fan/motor , servicing all other works required at site by authorised person of OEM.

Servicing of humidifier by replacement of transformer, rectifier and servicing as required and opening , cleaning the filters and duct, cleaning the fan/motor , servicing all other works required at site by authorised person of OEM.

Supply and fixing in replacement heater for dehumidifier as per sample required at site all as specified and directed by engr in charge.

Supply and fixing in replacement Controller circuit board for AC chiller of capacity 39 TR as per sample complete all as specified and directed by Engr-In-Charge

Supply and fixing in replacement Controller circuit board for Package type AC plant of capacity upto 16.5 TR as per existing sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement of LCD display cum operating unit for package type AC plant of capacity upto 16.5 TR suitable for starting/stopping, adjustment of temperature, including display of temperature, and fault indications complete matching with existing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement of LCD display cum operating unit for AC plant of capacity upto 39 TR suitable for starting/stopping, adjustment of temperature, including display of temperature, and fault indications complete matching with existing complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement hermatically sealed reciprocating type compressor unit of AC plant with capacity upto 16.5 TR of make and model as per sample complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement hermatically sealed reciprocating type compressor unit of ac plant with capacity upto 39 TR of make and model as per sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement thermal overload relay suitable for upto 7.5 HP three phase induction motor as per existing sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing of thermostatic expansion valve suitable for central AC plant of capacity 5.5 to 39 TR, complete and all as specified and directed by Engr-in-Charge.

Material and labour for Replacement pilot control solenoid coil suitable for AC plant matching with existing sample complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement oil failure switch matching with existing sample complete and all as specified and directed by Engr-in-Charge.

Supply and fix in replacement MCCB 63 Amps, 3/4 Pole, complete all as specified and directed by Engr-In-Charge.

All as per item 113 above here in before but of capacity 100 Amps complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement MCB TPN, 63 Amps 415 volts complete all as specifeid and directed by Engr-In-Charge.

Supply and fixing in replacement of Power contactor 63 Amps rating three pole, 415 volts complete all as specfied and directed by Engr-In-Charge.

All as per item 116 above but for 40 Amps complete all as specified and directed.

Supply and fixing in replacement ball bearing for blower motor for upto 40 HP motor capacity as per existing sample complete all as specified and directed by Engr-In-Charge.

Supply and fixing in replacement heating element for hot water generator any capacity as per existing sample complete all as specified and directed by Engr-In-Charge.

Replacement of unserviceable wiring from LT panel to motor of size 10 sqmm 3 core FR PVC insulated flexible copper conductor in PVC conduit and flexible conduit at termination end complete with fixing arrangements such as clamps and screws etc asspecified and directed by engr in-charge.

Replacement of unserviceable wiring from LT panel to motor of size 6 sqmm FR PVC insulated flexible copper conductor in PVC conduit and flexible conduit at termination end complete with fixing arrangements such as clamps and screws etc asspecified and directed by engr in-charge.

Material and labour for replacement of MS pipes 80 mm dia including all accessories or welding at site complete all as specified and directed by Engr-In-Charge

Material and labour for replacement of GI pipes 15 mm dia including all accessories or welding at site complete all as specified and directed by Engr-In-Charge

Supply and fixing Gate valve of size 25mm dia with ISI marked complete all as specified and directed by Engr-In-Charge

Supply and fixing Gate valve of size 15mm dia with ISI marked complete all as specified and directed by Engr-In-Charge

Supply and fix butterfly valve of size 100 mm complete all as specified and as directed by engr in charge.

Supply and fixing in replacement of single phase preventer complete in all aspects matching with existing sample complete all as specified and directed by Engr-in-Charge.

Supply and lay M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes 100mm bore all as specified and directed by engr in charge.

Supply and lay M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes 150mm bore all as specified and directed by engr in charge.

Material and labour for Insulation of M S Pipe with PUF slab 40 mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet complete of sizes 100 MM bore all as specfied and as directed by engr in charge

Material and labour for Insulation of M S Pipe with PUF slab 40 mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet complete of sizes 150 MM bore all as specfied and as directed by engr in charge

Vijay Kumar Contractor and Engineers (BID ID -3301484)

Ashoka Engineers (BID ID -3299435)

new hi tech engineers and contractors (BID ID -3307150)

M/S NILESH ENTERPRISES (BID ID -3300858)