REPAIR MAINTINANCE OF AIR CONDITIONER AND

Amount

Overhauling & servicing of window and split type Air Conditioners up to 3.0 Ton capacity of any make and carry out of following tasks at different location of different establishment including taking down the AC (if required) from existing location, re-fixing / commissioning and testing the same after overhauling complete including the following :- (a) Inspection taking down, opening (dismantling) ,washing the condenser and cooling coil complete with acid/water as required and cleaning with air blower and testing complete (b) Checking / examine operation of condenser, blower motor, cooling coil and checking the air circulation to ensure complete movement of working part trouble free (c) Inspection of leakage in system and removal obstruction if any (d) Checking and correction earth continuity of electric items (e) Checking servicing thermostat and over load and other spares and test its functioning (f) Inspecting all electrical connection and remove if any defects (g) Checking servicing and greasing oiling of blower motor.(h) Top up Refrigerant gas if required. Note: Replacement of new parts/worn out parts in lieu of unserviceable/burn out part shall be measured and paid separately as supply only items of sch A.

Supply only the following spare parts for up to 5.5 ton capacity of Tower/cassate/window/ Split type AC any make & any model.

(i) Air Filter Make and model-as per existing

(ii) Starting relay Make-ANCHO/Epcos/CLASSIC/Whirlpool

(iii) Starting capacitor 120-150 mfd Make- Tesla / Epcos / DVM/Whirlpool

(iv) Starting capacitor 100-120 mfd. Make- Tesla / Epcos //DVM/Whirlpool

(v) Running capacitor 40-60 mfd. Make- Tesla / Epcos/ DVM/Whirlpool

(vi) Running capacitor 30-36 mfd. Make- Tesla / Epcos /DVM/Whirlpool

(vii) Running capacitor 4-6 mfd. Make- Tesla / Epcos/Whirlpool

(viii) Thermostat switch Make-Renutrol or equivalent

(ix) Propeller fan suitable for window/split type AC Make- As per existing

(x) Cooling Coil Make- as per existing

(xi) Condenser coil Make- as per existing

(xiii) Outer cover duly painted for Window/split AC

(xii) MCB SP 20-32 Amps ‘C’ Series ,10KA, 240 volts SP Make : Havells/HPL/Legrand

(xiii) Three pin metalic socket outlet suitable for sheet metal enclosure Make : Havells/HPL/Legrand

(xiv) Three pin metallic plug top suitable for sheet metal enclosure Make : Havells/HPL/Legrand

(xv) PVC flexible insulated cable multi-strand copper conductor 3 core of size 4 sq mm Make- Kalinga / Plaza / Gloster/Polycab

(xvi) Front grill for split/window AC Make as per existing

(xix) Wiring kit with thimbles

(xx) Power Contactors 240 volts AC 50HZ 16-25 Amps range.

(xxiii) Overload protector suitable for compressor as per existing.

(xxiv) Blower for split/window AC any cap any make

(xxv) Booster pump motor of water purifier for existing make and capacity

(xxvi) Membrane filter of water purifier for existing make and capacity

(xxvii) Carbon filter of water purifier for existing make and capacity

(xxviii) flow switch of water purifier for existing make and capacity

S & F in replacement of Sheet metal enclosure in/on wall with socket plug top and MCB single pole neutral enclosure with 2 pin + earth plug and socket complete with one single pole MCB of 32 amps 230 volts of rupturing capacity of 10 KA and making good the disturbed surface with existing colour matching complete Make- Legrand / Havells / schnider/HPL

Removing the burnt/defective sealed compressor unit any type of any make from Air Conditioner window type up to 2.0 ton capacity by cutting of suction and discharge lines unscrewing the foundation nuts & bolts etc, supply and fixing of new sealed compressor unit of suitable make as existing by connecting suction and discharge lines with filling of refrigerant gas (in quoted rate), welding/brazing work and tightening foundation nuts & bolts including etc all as directed. Note:- (a) Capillary, drier, copper tubing etc are inclusive in unit rate. (b) New compressors will be purchased from authorised dealer only.

All as per Sr item No. 4 above but for air conditioner split type 1.5 ton capacity.

All as per Sr item No. 4 above but for air conditioner split type 2.0 ton capacity.

M&L for replacement of damaged copper tubing of dia 5/8 inch including insulation with heavy duty foam and brazing work in Split Air conditioners for discharge and suction of gas between indoor and outdoor unit complete of sizes as per requirement and specified.

M&L for replacement of damaged copper tubing of dia 3/8 inch including insulation with heavy duty foam and brazing work in Split Air conditioners for discharge and suction of gas between indoor and outdoor unit complete of sizes as per requirement and specified.

M&L for replacement of damaged copper tubing of dia 1/2 inch including insulation with heavy duty foam and brazing work in Split Air conditioners for discharge and suction of gas between indoor and outdoor unit complete of sizes as per requirement and specified.

M&L for replacement of damaged copper tubing of dia 1/4 inch including insulation with heavy duty foam and brazing work in Split Air conditioners for discharge and suction of gas between indoor and outdoor unit complete of sizes as per requirement and specified.

M&L for replacement of damaged insulation with heavy duty foam for copper tubing of split air conditioners complete all as directed

S&F in replacement low density polyethylene pipes (LDPE) drain pipes of size 15 mm from indoor unit to exist point as per design including accessories clamps fasteners complete all as specified and as directed by Engineer-in-charge.

Repair to Air conditioner window type/Split type up to 2.0 ton capacity by testing the leakage in system by filling of Nitrogen gas upto 300 PSIG and repairing of leaking spot/joints with gas welding work, cleaning and flushing out the complete system with gas, supply and replacing of drier/filter, making the complete system leak proof, vacuuming the system and charging of gas (M410a/R134a/R22/R32) as existing and testing etc complete all as specified & directed. Note : (a) Drier capillary and copper tubing are inclusive in quoted rate.(b) Contractor should be responsible if leakage of refrigerant gas after repair within one year of completing job and done same job without extra payment.

Supply and replacement blower Motor 1/5 or 1/6 HP 230V AC, 50 Hz suitable for Air conditioner window type upto 2.0 ton capacity as per existing model complete all as directed and specified.;

Supply and replacement blower Motor 0.2/0.25 HP for Air conditioner split type of capacity 1.5 ton/2.0 ton/3.0 ton/4.0 ton as per existing model complete as directed and specified.

Repair and fixing blower Motor of split type /window type Air Conditioners of any make and any capacity for making air conditioner serviceable complete all as directed and specified.

Supply and replacement Condenser Motor (outdoor motor) for split type Air conditioner as per existing model and any capacity complete as directed and specified.

Repair and fixing Condenser Motor (outdoor motor) for split type Air conditioner as per existing model of any make and any capacity for making air conditioner serviceable complete all as directed and specified.

Repair and fixing Printed Circuit Board of split type /window type Air Conditioners of any make and any capacity for making air conditioner serviceable complete all as directed and specified.

Supply and replacement Printed Circuit Board as per existing model to repair to split type/window type Air Conditioners of any make and type of any capacity any complete all as directed Make- Voltas/Carrier/toshiba.

Supply and replacement Inverter Type Printed Circuit Board(for indoor and outdoor unit) of any make and type of air conditioner split inverter type of any make and type (variable speed compressor) as per existing model and capacity up to 2.0 ton complete all as specified and directed. Make: Carrier (X power gold)/Electrolux/LG/HITACHI

Repair and fixing Inverter Type Printed Circuit Board of split type Air Conditioners (with variable speed compressor) of any make and any capacity for making air conditioner serviceable complete all as directed and specified.

Supply and replacement for wireless remote control unit for split/window type air conditioner as per existing model complete all as directed. Make Carrier (Duracool)/Carrier (X power gold)/LG/VOLTAS

M&L for opening of the automatic voltage stabilizer capacity up to 8 KVA for repair detection of fault and its repair cleaning of serviceable parts, replacement/repair of unserviceable or worn out parts soldering of terminal connection and testing after repair, painting with one coat of synthetic enamel paint externally all as specified . Note : (a) Replacement of new parts/worn out parts in lieu of unserviceable/burn out part shall be measured and paid separately as supply only. .

Supply only the spare parts suitable for automatic voltage stabilizer of any make and capacity.

(a) Volt meter (0-300 volts)

(b) Control relay

(c) IC controlled circuit for 5KVA

(d) IC controlled circuit for 8 KVA

(e) Control transformer

(f) Low/high voltage cut off and TDR system

(g) Main transformer for 5 KVA

Supply Voltage stabilizer for automatic operation, single phase naturally air cooled indoor type & designed for input variation between 160 V to 270 V with output voltage stabilized at 230 V Capacity 5 KVA Note: Old stabilizer shall be deposited in the MES store yard for board.

M&L for Shifting and re-fixing of split type AC (Indoor and Outdoor units) of any make and any type after servicing and charging of gas (M410a/R134a/R-22/r32) by testing the leakage in system by filling of Nitrogen gas upto 300 PSIG and repairing of leaking spot/joints with gas welding work, cleaning and flushing out the complete system with gas, supply and replacing of drier/filter, making the complete system leak proof, vacuuming the system as existing and testing etc complete all as specified & directed. Note :(a) Dismantling and re-fixing of split AC are including in quoted rate. (b)Drier capillary, copper tubing, refrigerant gas, Insulation and LDPE pipe are inclusive in quoted rate.(c) making hole and filling the hole on wall with PCC (1:2:4) type BO (Using 12.5mm graded stone aggregate, 15mm thick rendering in cement mortar (1:3) good the disturbed surface with existing colour matching are inclusive in quoted rate.

M&L for Shifting and re-fixing of window AC of any make and any type after servicing and charging of gas (M410a/R134a/R-22/R32) by testing the leakage in system by filling of Nitrogen gas upto 300 PSIG and repairing of leaking spot/joints with gas welding work, cleaning and flushing out the complete system with gas, supply and replacing of drier/filter, making the complete system leak proof, vacuuming the system as existing and testing etc complete all as specified & directed. Note :(a) Dismantling and re-fixing of window AC are including in quoted rate. (b)Drier capillary, copper tubing, refrigerant gas and LDPE pipe are inclusive in quoted rate.(c) Making hole on wall and good the disturbed surface with existing colour matching are inclusive in quoted rate.

M&L for attending day to day complaints and rectifying faults like decarbonizing connections in the AC Box, , any burning due to over loading in AC and restoring connection of AC with wire or thimbles, attending and rectifying faults related to AC like drain water leakage ,filter cleaning, remote setting etc and related to stabilizers (5 to 8 KVA) incl Sunday & Holidays complete all as directed by Engineer-in-Cgarge. Note : (i) All T&P required shall be provided by contractor including ladders of any size as per requirement at site. (ii) Minor items like machine screw, plastic clamps, insulation tape, nails, flexible pipe, thimbles, lugs for contactor, etc shall deemed to be included in the unit rate. (iii) The major items replaced during repairs shall be measured and paid under respective items of Sch 'A'

M&L for removing defective window AC and replacing the same for window AC of capacity upto 2.0 ton all as specified and directed.

M&L for removing defective outdoor unit and replacing the same for split air conditioner of capacity 1.5/2 Ton with remote complete all as specified and directed.

M&L for removing defective indoor unit and replacing the same for split air conditioner of capacity 1.5/2 Ton with remote complete all as specified and directed.

Taking down/out desert cooler of any make and capacity from various locations and M & L for complete cleaning washing and descaling scraping down and removing existing paint, preparation of surface and painting the entire/complete body of desert cooler, inside and outside, by sprayer with two coats of approved synthetic enamel paint and writing SM/ MES no. with black synthetic enamel paint by complete all as specified & directed EIC.

S&F water lifting pump submersible type upto 5 feet head operating on SP 230 Volts, 50 HZ AC after and including taking out existing defective pump of any description of Desert Coolers, complete all as specified & as directed.(Make : Khaitan / Crompton/ Vansal)

S&F in replacement of read made wood wool pad size as required at site of 15 mm thickness, made out of chicken wire mesh filled with fine quality wood wool and stitched with GI wire for desert cooler of any make & size complete all as specified and directed.

S&F Desert cooler fan motor operating on SP 230 Volts, 50 HZ, AC 1/7HP 1400 rpm with fan blade (exhaust type) and mounting Kit complete after and including taking out existing fan motor all as directed. Make : Khaitan/Crompton/Vansal

S&F of PVC sheathed and PVC insulated 3 core cable, 1.5 Sqmm copper conductor of Make: National / Gloster / Paragon/ Havells / Kalinga complete all as specified and directed.

M&L for replacement of PVC pipe 10 mm bore standard quality of desert cooler complete with fixing arrangement, all as specified and directed.

S & F Clamp for kit fan motor as per site requirement with nut, bolt & washers complete.

S & F Piano type switch 5 Amps of Make: Anchor / Cona / Kay.

S & F PVC water distributor, (Set of four way and two way).

S & F plug top 5amp 3 pin type Make:- Anchor/Standerd/Kay

S&F in replacement MS duly spray painted exhaust fan blade 300mm/380mm sweep complete all as directed

S&F Polycarbonate duly spray painted kit fan blade 300mm/380mm sweep complete all as directed

S & F ball valves (Float Valve) high pressure PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe as specified and directed by EIC.

S & F PVC connections 15mm size with PTMT nuts of length 300 mm ( PTMT fitting shall be of approved makes)

Dismantling of electric connection and water connection of water purifier (RO) , electrical accessories and spare parts of system carefully servicing of serviceable parts and replacement of U/S parts reassembling all spare parts incl rewiring of internal connection, testing and commissioning complete all as specified. Note :Minor parts like connection pvc pipe, overflow ,water flow switch etc are included in quoted rate

M&L of desert cooler’s cabinet, locally fabricated with three side panels (front, top and tank) and vertical members made of plain galvanised iron sheet of size not more than 81.5 x 80.5 x 97.5 cms with grill box suitable for 18” sweep fan and making holes for connections with and including fixing arrangements such as 4 way PVC distributor, PVC pipe 3 to 4 Mtrs for spraying water, clamp for fixing of motor, wood wool pads, electrical wiring for fan & pump controlled separately with 5 Amps piano type switch etc complete all as specified and directed.

Note :- Credit shown in credit schedule of tender document shall be considered by the tenderer while quoting the rates of various items. The same shall be recovered from various payment to contractor before handing over old material.

Krishna Enterprises

ANSARI REFRIGERATION