REPAIRS AND MAINTENANCE OF AIR CONDITIONING AND REFRIGERATING EQPTS AND ALLIED WORK AND AF OFFRS RESIDENTIAL ACCN AT AFS BEGUMPET UNDER GE(AF) HAKIMPET

Amount

Taking down the following Air conditioner carefully from the installed position, dismantling the complete unit, applying blower to remove the complete dust, cleaning all the components with suitable cleaning agent, combing the condenser coil for better efficiancy and re-assembling the complete unit and re-installing in its original position and testing on completion complete all as directed by the Engineer-in- Charge

(a) Out door unit of Split type AC upto 2.0 TR capacity

(b) In door unit of split AC upto 2.0 TR capacity

(c) Casette AC of 4.0 TR capacity outdoor

(d) Casette AC of 4.0 TR capacity indoor

Disconnect and remove unserviceable starting relay and Supply and fix new starting relay suitable for existing model of following cooling appliances complete all as specified and as directed by the Engineer-in-Charge. (Make-Sriram/Kirloskar/Aravind) :-

(a) Water cooler of capacity upto 150 Ltrs

(b) Refrigerator/ deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable over load protector and supply and fix new overload protector (OLP) suitable for the following types of cooling appliances complete all as specified and directed by Engineer in Charge (Make-Sriram/Kirloskar/ Aravind) :-

(a) Water cooler of capacity upto 150 Ltrs

(b) Refrigerator/ deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable thermostat and supply and fix new thermostat suitable for existing model of following cooling appliances complete all as specified and directed by Engineer in Charge.(Make-INDFOSS/RANUTROL/DANFOSE/PESPIC).

(a) Water cooler of capacity upto 150 Ltrs

(b) Refrigerator/ deep freezer of capacity upto 410 Ltrs

Disconnect and remove unserviceable starting cum running capacitor and supply and fix new starting cum running capacitor suitable for existing model of following cooling appliances complete all as specified and directed by the Engineer -in- Charge. Make: Tibcon/Epco/Concap

(a) 1/1.5 TR Split type Air Conditioner

(b) 2.0 TR Split type Air Conditioner

(c) Water Cooler of capacity upto 150 Ltrs

(d) Refrigerator /deep freezer of capacity upto 410 Ltrs

(e) Suitable for casette AC of 2 to 4.0TR capacity

Disconnect and remove unserviceable capacitor of fan motor of any description and supply and fix fan capacitor of capacity 4.0 mfd / 6.0 mfd suitable for existing outdoor unit of split type air conditioner of capacity upto 2.0 TR complete all as specified and as directed by Engineer-in-Charge. Make:Sarda/Unistar/Tibcon.

Taking out the burnt fan motor from the following cooling appliances and supply and fix new fan motor suitable for existing model complete all as specified and directed by Engineer-in-Charge.

(a) Split type Air Conditioner of Capacity upto 2.0 TR.

(b) Evaporative type desert cooler of capacity upto 5000 Cum/hr.

Taking down unserviceable blower motor of split type air conditioner and supply and fix new blower motor suitable for existing model of indoor unit of split type air conditioner of capacity upto 2.0 TR including necessary connections and testing on completion complete all as specified and as directed by Engineer - in Charge.

Taking down unserviceable blower of split type air conditioner and supply and fix new blower suitable for existing model of indoor unit of split type air conditioner of capacity upto 2.0 TR including necessary connections and testing on completion complete all as specified and as directed by Engineer - in- Charge.

Taking down unserviceable Swing motor of split type air conditioner and supply and fix new Swing motor suitable for existing model of indoor unit of split type air conditioner of capacity upto 2.0 TR including necessary connections and testing on completion complete all as specified and as directed by Engineer - in- Charge.

Disconnect and remove unserviceable compressor and supply and fix new sealed rotary / reciprocating compressor including brazing the suction / discharge lines suitable for existing model of following cooling appliances, filling the gas and testing on all as specified and directed by Engineer-in-Charge. Make : Kirlosker/Tecumseh/ Sriram/ Voltas/Carrier/Hitachi. Note : Quoted rate deemed to be included cost of refrigerant gas

(a) 1/1.5 TR Split type Air Conditioner.

(b) 2.0 TR Split type Air Conditioner

(c) 4 TR Casette type Air Conditioner

Disconnect and remove unserviceable compressor and supply and fix new sealed rotary / reciprocating compressor with built-in OLP, thermostat including brazing the suction / discharge lines suitable for existing model of following cooling appliances, filling the gas and testing on all as specified and directed by Engineer - in - Charge. Make : Kirlosker/Tecumseh/ Sriram/ Voltas/Carrier.

(a) 40/80 ltrs capacity water cooler

(b) 150 ltrs capacity water cooler

(c) Upto 190 Ltrs Capacity Refrigerator

(d) Above 180ltrs and upto 410 ltrs Capacity Refrigerator/ Deep freezer

Note for Item No 11 & 12: Cost of brazing, filling refrigerant gas as existing, testing etc deemed to be included in quoted rate.

Material & labour for filling up & charging of R-22 refrigerant to the cooling appliances all as specified and directed by Engineer-in-Charge.

Material & labour for filling up & charging of R-134a refrigerant to the cooling appliances all as specified and directed by Engineer-in-Charge.

Material & labour for filling up & charging of R-410a refrigerant to the cooling appliances all as specified and directed by Engineer-in-Charge.

Material & labour for filling up & charging of R 32 refrigerant to the cooling appliances all as specified and directed by Engineer-in-Charge.

Note for Item No 13, 14, 15 & 16: (i) Gas quantity will be measured physically by weighing gas cylinder before filling and after filling. (ii) Suitable weighing machine for measuring gas quantity shall be provided by contractor and cost is included. (iii) These items shall be operated for top up of AC's/Coolers only

Flushing and leak testing the complete system with nitrogen gas and making good leaking portion by brazing and topping up compressor oil complete all as specified and as directed by Engineer in charge. Note: Cost of brazing and topping up of compressor oil is deemed to be included in quoted rate.

Taking down capillary filter and tube, supply and fix new capillary filter and tube including necessary brazing complete all as specified and directed by Engineer-in-charge.

Taking out unserviceable air filter and supply and fix new air filter cleanable, indigenous of suitable size for the window / split type air conditioners of capacity upto 4.0 TR complete all as specified and as directed by the Engineer-in-Charge.

Taking out unserviceable condensor fan blades and supply and fix new condensor fan blades of existing/suitable model for the window type/out door unit of split type air conditioner of capacity upto 2.0 TR complete all as specified and as directed by Engineer-in Charge.

Supply and fix and new thermal insulating puf for suction and discharge copper tubes of split type air conditioner of capacity upto 2.0 TR, neatly tying the ends with PVC insulation tape complete all as specified and directed by Engineer- in Charge. Note (i) One run of suction, one run of discharge puff shall be measured as one unit length. (ii) Old insulation puff will be dumped at nearby dustbin.

Taking down the unserviceable thermal insulating puf from the copper tubes complete all as specified and directed by Engineer- in Charge.

Filling the gaps between wall and refrigerant piping with white cement to prevent rodents entry and finishing smoothly to match with sorroundings.

Taking out the unserviceible remote PCB sensor unit and supply and fix new Remote and PCB sensor unit assembly suitable for existing make of split type air conditioners of capacity upto 2.0 TR complete all as specified and directed by Engineer-in-Charge.

Taking out the unserviceible remote PCB sensor unit and repair & refixing PCB sensor unit assembly duly replacing burnt electronic parts, soldering etc all as per existing make of split type air conditioners of capacity upto 2.0 TR complete all as specified and directed by Engineer-in-Charge. Note : Cost of soldering, S&F of new electronic parts like resisters, transistor etc is deemed to be included in the quoted rate.

Supply and fix automatic electronic voltage stabilizer, wall mounting type having features such as Intelligent time Delay system, Low and High Voltage Cut-off Protection, latest IC Technology to protect from power fluctuations, Thermal over load protection, ability to withstand upto 320 volts AC input, wide input variation between 140V to 270V with output voltage stablized at 220 to 240V, with accuracy of +/- 2.5%, with minimum one year warrenty on product by OEM, including taking down old U/S stabilizer of following capacity suitable for split type Air conditioner complete all as specified and as directed by the Engineer -in -Charge.

(a) 4 KVA Capacity. Make: V-Guard/Microtech/Power Micro System.

(b) 5 KVA Capacity. Make: V-Guard/Microtech/Power Micro System.

(c) 1 KVA Capacity. Make: V-Guard/Microtech/Power Micro System.

Taking down unserviceable condensing coil unit and supply and fix new aluminium condensing coil unit suitable for split type AC of capacity upto 2.0T, as per the existing, complete all as specified and directed by Engineer-in-Charge

Taking down unserviceable condensing coil unit and supply and fix new condensing coil unit suitable for Refrigerator of capacity upto 310 Ltrs complete all as specified and directed by Engineer-in-Charge

Pumping down the AC, taking carefully the indoor and outdoor units along with voltage stablizer of split type air conditioner of capacity upto 2.0 TR by disconnecting all electrical connections, suction and discharge lines from its installed position and shifting to another location, making hole into brick/stone wall & filling back with white cement where directed and installing the indoor and outdoor units alongwith stablizer at specified location and connecting all the electrical, suction and discharge lines, topping up the gas as required and testing on completion for proper functioning complete all as specified and directed by Engineer-in-Charge. (Note: Gas, Copper tube, Insulation puff, Connecting wire as required additional shall be measured seperately under relevant item).

Supply and fix new copper tubes of suitable size for suction and discharge lines for split type air conditioners including necessary brazing, testing on completion all as specified and as directed by the Engineer-in-Charge. Note:- One run of suction, one run of discharge pipes shall be measured as one unit length. However, cost of puff insulation will be measured and paid seperately.

Taking down unserviceable suction and discharge pipe along with insulation from 1.5/2.0 Ton split AC all as specified and as directed by the Engineer-in-Charge.

Taking down the evaporative type desert coolers of metallic body of capacity upto 5000 Cum/hr by disconnecting all the electrical connections, cleaning all the components by removing the side panels and painting the coolers with two coats of synthetic enamel paint out side and rust proof paint inside by spray painting and fixing back the removed panel and reconnecting with electrical connections and painting the MES No. complete all as directed by Engineer-in-Charge.

Supply and replace powder coated Desert cooler body complete including front grills, provision for mounting switches, indicators etc made up of GI sheet of gauge 20 complete all as existing and making leak proof all as directed by Engineer-in-Charge.

Taking down the unserviceable / defective water pump by disconnecting all the electrical and water connections and supply and fix new submersible water pump suitable for evaporative type desert coolers of capacity upto 5000 cum/hr and reconnecting the same with electrical and water connections complete all as specified and directed by Engineer-in- Charge.

Taking down unserviceable front / side grill of any description and supply and fix new front grill iron to match with the existing evaporative type desert cooler complete all as specified and directed by Engineer- in -Charge.

Taking out the damaged khus khus pads and supply and fix new khus khus pads (set of 3 Nos) for the evaporative desert coolers of capacity upto 5000cum/hrs complete all as specified and directed by Engieer - in Charge. Note Old khus khus pad will be dumped at nearby dust bin.

Taking out the unserviceable PVC hose pipe and supply and fix complete set of new PVC hose pipe along with necessary fittings and PVC distibutor suitable for existing model of evaporative type desert cooler upto the capacity of 5000 cum/hr complete all as specified and directed by Engineer-in-Charge.

Taking down unserviceable piano switch, supply and fix new piano type switch suitable for existing model of desert cooler of capacity upto 5000 Cum/Hr complete all as specified and directed by Engineer - in- Charge

supply and fix new fan blades suitable for existing model of desert cooler of capacity upto 5000 Cum/Hr complete including Taking down unserviceable fan blades all as specified and directed by Engineer-in-Charge.

supply and connect new PVC insulated and FR PVC round sheathed 3 core, 1.5Sqmm Copper conductor cable, 1100 Volts grade ISI marked including taking down old u/s wire all as specified and as directed by Engineer- in Charge.

All as per Ser item above here-in-before but of size 3 core, 2.5 Sqmm complete all as specified and directed by Engineer-in-Charge.

All as per Ser item above here-in-before but of size 3 core, 4.0 Sqmm complete all as specified and directed by Engineer-in-Charge.

Supply and fix single pole and neutral enclosure with two pin and earth plug and socket along with 20 Amps rated SP MCB 'C' curve, 230 volt, 50 Hz as required at site, complete including Taking down unserviceable plug and socket of any description all as specified and directed by Engineer-in-Charge. Make: Anchor/Havells/HPL/Indo-Asian/ Standard.

Supply and fix new metal clad industrial type two pin and earth socket, 230 volts, 50 Hz of capcity 20 Amps complete including Taking down unserviceable AC socket of any description all as specified and as directed by Engineer-in-charge. Make: Indo Asian Cat No 810390 or equivalent in Legrand/Crabtree/Havells/HPL

Supply and fix new two pin and earth metal clad industrial type plug top 230 volts, 50 Hz of capcity 20 Amps and connecting the electrical wires complete including Taking down unserviceable AC plug top all as specified and directed by Engineer-in-Charge. Make: Indo-Asian Cat No 810386 or equivalent in Legrand/Crabtree/Havells/HPL/.

Supply and fix new plug top 3 pin 15 Amps single phase 230 volts complete ISI marked including taking down old U/S all as specified and directed by Engineer- in- Charge. Make: Cona Cat No 1991 or equivalent in Legrand/Anchor/Havells.

Supply and fix PVC float valve 15mm dia complete with high pressure polythene float and fly nut including taking down old U/S float valve all as specified and directed by Engineer- in- Charge. Make: Prayag/

Disconnect and remove unserviceable PVC connection, supply and fix new PVC connection 15mm size with PTMT nuts of length 600mm complete all as specified and directed by Engineer- in Charge. Make : Prayag or equivalent

Taking out unserviceable push button tap and supply and fix new Self-closing taps, cast copper alloy, chro-mium plated, screwed of size 15 mm dia bore suitable for water cooler complete all as specified and directed by Engieer- in - Charge. Zoloto/Leader/HM/Shakti/Prayag.

Taking out unserviceable stop valve of any description and supply and fix new stop valves, cast copper alloy screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions of size 15mm dia complete all as specified and directed by Engieer- in - Charge. Make : Zoloto/Shakti/Prayag.

Taking out unserviceable waste water tray of any description and supply and fix new steel waste water tray suitable for existing water coolers complete all as specified and directed by Engineer- in- Charge.

Taking down the corroded body of water cooler of any capacity, tinkering the corroded sheet metal parts, bottom base, angle iron frame, fan motor base plate, side covers, legs, door etc. with appropriate gauge MS sheet, angles by welding and brazing, renewal of nuts and bolts sheets metal screws, re-assembling, preparing the surface and painting with two coats of synthetic enamel paint over a coat of zinc chrome primer including renewal of door gasket where ever required and transportation.

Taking down the corroded outdoor unit of split AC, of capacity 1 ton,1.5 ton and 2.0 ton capacity and carrying repairs to sheet metal parts, tinkering the parts by cutting and replacing corroded sheet metal parts like base plate, fan motor base plate etc. with appropriate gauge of MS sheet as existing including bending to match with the existing size, welding, brazing and assembling, replacing all nuts and bolts, sheet metal screws and painting the complete body with two coat of synthetic enamel paint over a coat of zinc chrome primer and transportation.

All as per item above here-in-before but for water cooler of any capacity.

Checking the AC indoor unit for water leaks, cleaning the choked drain out pipe lines aligning with proper slope.

Supply and fix 16 mm dia, 3-layer PP-R Polypropylene random copolymer) pipes SDR 7.4, UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded Polypropylene random fittings fixed complete to walls, ceilings with PP-R clamps at a distance not more than 60cm or laid in floors etc. as drainout pipe to remove the condensate including removal of the existing pipe of any type. Make:SFMC/ Supreme/Prince.

Taking down unserviceable single pole contactor and M& L for single pole contactor for out door unit of Air conditioner of capacity up to 2.0 TR.

Taking down burnt wiring and M&L for rewiring all as existing for out door unit of Air conditioner of capacity upto 2.0 TR. Note : (i) Quoted rate shall be deemed to be included the cost of suitable size of wiring, PVC connectors, screws etc complete all as per existing (ii) Cost of components shall be measured and paid seperately under relevant items of this contract

Taking down Existing unserviceable Indoor assembly and Supply and fix new Indoor assembly of split type AC of Capacity 1.5 TR as per existing model or as approved by GE complete, connecting wires, copper lines and testing all as specified and as directed by Engineer-in-charge.

Taking down Existing unserviceable Indoor assembly and Supply and fix new Indoor assembly of split type AC of Capacity 2.0 TR as per existing model or as approved by GE complete, connecting wires, copper lines and testing all as specified and as directed by Engineer-in-charge.

Taking down unserviceable sub main wiring of any description and M&L for sub main wiring with 3 runs of 6.0 Sq mm (Ph+E+N), FRLS PVC insulated, unsheathed, multi-stranded, 1100 volts grade copper conductor cable, single core, drawn through and including PVC casing caping of suitable size with all accessories complete all as specified and as directed . Note: Three runs (P+N+E) of 6 Sq mm copper cable and one run of casing caping and accessories shall be measured as one unit length.

All as above but wth 3 runs of 4 Sqmm with casing caping of suitable size

M&L for Machine print stickering of MES No containing 10-15 characters over the appliances plastic stickering paper in font size 14 & bold complete all as specified and directed.

Universal refrigeration and Engineering Company