REPAIR AND MAINTENANCE OF AC PLANT DUCTING, COOLING APPLIANCES, SPLIT TYPE AC, WINDOW AC, WATER COOLER, REFRIGERATOR, DEEPFREEZER, DESERT COOLER, VOLTAGE STABILIZERS AND MISC ITEMS AT 2WING AIR FORCE STATION PUNE

Amount

M&L for Servicing, cleaning of complete unit (indoor and out door) of air cooled split type AC of any capacity by using blower, cleaning of condenser coil with water, checking all the parts, electrical connection , cleaning the air filters, combing of fins by using fins comb including replacing defective filters, burnt wiring, tightening of electric wiring connections, etc, complete all as specified and directed.

M&L for replacement of existing old U/S insulation of refrigerant pipes of spit air conditioner up to 3 TR cap complete all as specified and directed.

M&L for replacement of micro processor printed circuit board complete suitable for split type AC's as per exiting make & model up to 3 TR Cap complete all as specified and directed.

M&L for replacement of unsv PCB of indoor/outdoor unit of Inverter type AC as per existing make & model complete all as specified and directed.

M&L taking out defective micro processor printed circuit board of split type AC of existing Make/Model up to 3 TR Capacity for repair and refixing to its original place after carry out necessary repair and testing complete all as specified and directed.

M&L for replacement of unserviceable starting capacitor suitable of window type/split type AC's up to 3 TR Capacity as per existing cap complete all as specified and directed.

M&L for replacement of unserviceable running capacitor 30/36/40/45/55 mfd suitable for split/window type AC's 1 to 3 TR cap of existing make & model complete all as specified and directed.

M&L for replacement of capacitor 4/6 mfd suitable for fan motor of (split/window /water cooler/Desert cooler fan motor) complete all as specified and directed.

M&L for replacement of unserviceable swinging motor of indoor unit of split type AC up to 3TR capacity suitable for existing make/model complete all as specified and directed.

M& L for replacement of condenser fan/blower motor with bush and washers as per existing make and model for split type AC up to 3 TR Capacity complete all as specified and directed.

M&L for replacement of existing unsv compressor unit with new Compressor unit as per existing make & model including taking out the old u/s burnt out Compressor of split type Air Conditioner, unsv replacement of bushes, sleeves, washers nut and bolt, relay terminal cover, clips reqd for fixing of new compressor, cutting, brazing of copper piping, charging of suitable refrigerant gas as required Qty to obtained desired cooling, carry out leak test etc., all as required at site complete for following capacity:- Existing Make: Emerson/Carrier/ Tecumsha/ LG/Voltas

Capacity 1.5 TR

Capacity 2.0 TR

Capacity 3.0 TR

M&L for replacement of unserviceable fan blade of condenser unit of split type AC up to 3 TR as per existing make and model complete all as specified and directed.

M&L for leak detection by nitrogen pressure test in refrigerant system of AC, cutting brazing and making leak-proof the gas system, cleaning, vacuum the gas system and charging suitable gas as required quantity to achieve desire cooling complete all as specified and directed.

Split type AC 1.5 TR capacity

Split type AC 2.0 TR Capacity

Split type AC 3.0 TR capacity

M&L for replacement of unsv contactor kit of split type AC as per existing make & model up to 3 TR complete all as specified and directed.

M&L for replacement of unsv copper tubing 5/8" dia complete all as specified and directed.

M&L for replacement of unsv copper tubing 3/8" dia complete all as specified and directed.

M&L for replacement of unsv power cable cord PVC flexible copper wire 2.5 sqmm 3 core complete all as specified and directed.

Labour only for rectification of water leakage problem by cleaning indoor unit & drain pipe of split type AC up to 3 Ton cap complete all as specified and directed

M&L for replacement of unsv valve of split type AC of existing make up to 3 TR cap complete all as specified and directed.

M& L for replacement of unserviceable hermetically sealed/rotary compressor with new Compressor suitable for window type AC of following capacity, including replacement of unserviceable bushes, sleeves, washers nut and bolt ,foundation legs including relay terminal cover and clips and including cutting, brazing, leak detection, charging of suitable refrigerant gas as required to obtained desired cooling, carry out leak test etc., all as required at site complete commissioning, testing for the following capacity Existing Make-Emerson/Carrier/ Tecumsha/ LG/Voltas

Compressor suitable for 1.5 TR Capacity

Compressor suitable for 2.0 TR capacity

M&L for replacement of unserviceable electric blower motor suitable for 1/1.5 /2TR capacity window type AC double speed, single phase 230 volt 50 Hz, complete all as specified and directed. Make - Gulmarg/AUE or as per existing make/ type.

M&L for replacement of unserviceable thermostat switch suitable for water coolers, Window type AC's /split AC's, refrigerators and Deep freezers any capacity, make & model all as directed.

M&L for replacement of starting relay suitable for water coolers, Window type AC's /split AC's, refrigerators and Deep freezers any capacity, make & model complete all as specified and directed.

M&L for replacement of existing unsv fan motor of desert coolers up to 6000CFM as per existing model & speed including taking out the old /unserviceable motor complete all as specified and directed.

M&L for replacement unservicable water pump of desert cooler with submersible type water pump 0.6 KW, 1.25 m head pump complete all as specified and directed.

M&L for replacement of Khas pad (set of three) with best quality new pad, for desert coolers of 4000/5000 cfm capacity complete all as specified and directed.

M&L for replacement of fan speed control switch of Desert cooler up to 6000 CFM PVC body unit as per existing make & model complete all as specified and directed.

M&L for replacement of Louvers control knob switch of Desert cooler up to 6000 CFM PVC body unit as per existing make & model complete all as specified and directed.

M&L for replacement of unsv fan blade of desert cooler up to 6000CFM as per existing type make & model complete all as specified and directed.

M&L for replacement of honeycomb pads of desert cooler up to 6000CFM as per existing complete all as specified and directed.

M&L for replacement of desert cooler body 66x660x900 mm with front grill and three side louver fabricated out of 22 gauge mild steel plan black sheet and bottom water tank (sump) of size 660x660x200 mm deep fabricated out of 20 gauge milled steel plan black sheet including taking out and reinstallation complete with standard fitting such as pvc pipe for water electric motor and fan motor clamp for motor, switch fan speed regulator including fixing and conncting existing cooler fan electric pump with core pvc insulated & pvc sheathed cable (min 3 mtr in length External surface shall be spray painted with approved paint over a coat of red oxide primer and internall surface of body cooler pump and motor shall be paint with two coat of bituminous paint over a coat of red oxide primer complete all as specified and directed.

M&L in replacement of 01 Nos front grill and 3 side louvers suitable for desert cooler duly spray painted with approved paint over a coat of red oxide primer and internal surfac 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 specified and directed.

M&L for servicing of water cooler of installed capacity 40/40 to 150/150 Ltrs, cleaning the tank, condenser coil, oiling the fan motor, checking all parts, repair to electrical burnt/loose connection, replacement of rubber gasket, washer minor u/s parts etc. all as specified and directed.

Supply and fix hermetically sealed unit new Compressor by dismantling burnt out u/s Compressor suitable for water coolers of following capacities including provn of bushes, sleeves, washers nut and bolt for 4/3 Compressor foundation legs including relay terminal cover and clips on and including cutting, brazing, leak detection, charging suitable refrigerant and commissioning testing for the following capacity:- Make of Existing Water Cooler : Emerson/Carrier/ Tecumsha/ LG/Voltas

Cooling capacity 40 Ltrs/Hr

Cooling capacity 60 Ltrs/Hr

Cooling capacity 150 Ltrs/Hr

M&L for replacment of freezer of refrigerator as per existing make model including cutting, brazing complete all as specified and directed of cap 192 to 385 Ltr

S&F push cock CP brass of 15 mm dia for water cooler and taking out the unserviceable push cock and complete all as specified and directed.

M&L for replacement of unsv float valve for water cooler (40/60/120/150 Ltrs) capacity any as per existing size and type complete all as specified and directed.

Servicing of air curtains, single phase, 240V by checking all electrical connection, blower, motor oiling greasing and replacement of u/s wire, lugs, bushes, rubber pads, bearing etc. complete all as specified and directed.

M&L for replacment of hermetically sealed/Rotarey Compressor by dismantling burnt out u/s Compressor suitable for refrigerators including provn of bushes, sleeves, washers nut and bolt for 4/3 Compressor foundation legs including relay terminal cover and clips on and including cutting, brazing, leak detection, charging suitable refrigerant and commissioning testing for the following capacity. ( Existing Make : Emerson/Carrier/ Tecumsha/ LG/Voltas)

165 - 200 Ltrs capacity

285 - 300 Ltrs capacity

M&L for leak detection in refrigerant system of Refrigerator (165 to 300 Ltrs cap) including cutting brazing and making leak-proof the gas system, cleaning, vacuum the gas system and charging suitable gas as required quantity complete all as specified and directed.

Taking out existing split type air conditioners of any type and capacity removing from the site and keeping it in a safe custody for re-use or deposit in store complete all as specified and directed.

Fixing only split type air conditioners of any type and capacity including core cutting for passing copper tubing , drain pipe & cable through stone masonry wall with connected accessories such as bracket, copper tubing, cable from indoor to out door unit and rain water pipe etc complete all as specified and directed.

M&L for replacement of old unsv outdoor unit of split type with AC 3 star rating, 1.5 TR Cap having copper tubing, high EER rating compressor (for gas R-407/410/32), blower motor etc. complete including, making elect, refrigerant piping connection, brazing, leak testing and charging suitable refrigerant gas to achieve desired cooling effect and testing complete all as specified and directed. Existing Make- Blue Star/Voltas/Hitchin/Daiken

Servicing of ceiling suspended DX type AHU of VRF system by checking all parts, repair to electrical connection, cleaning of air filter, cooling coil, fan/blower and replacing minor u/s parts like bushes, nut bolts including taking down air diffuser grill from fall ceiling, cleaning and refixing of the same complete all as specified and directed.

M&L for replacement of Unsv indoor unit of split type AC 1.5 TR complete having 3 star rating suitable for (R-407/410/32) gas complete all as specified and directed. Existing Make- Voltas/Blue Star/Hitachi/Daiken

M&L for replacement of unsv MCB SP C series 20 A to 32 A m breaking cap 6kA complete all as specified and directed. Existing Make - L&T/Legrand/Hager/Siemens

M&L for replacement of Metal plug 20A, 2Pin+SC complete all as specified and directed. Existing Make : L&T/Legrand/Hager/Siemens

M&L for replacement of Metal socket 20A, 2 pin+SC complete all as specified and directed. Existing Make : L&T/Legrand/Hager/Siemens

M&L for replacement of Unsv sheet metal enclosure with single pole and neutral with two pin and earth plug and socket complete with one single pole C series MCB 20 Amps, 240 volts complete all as specified and directed. Existing Make: L&T/Legrand/Hager/Havel's

M/L for sub main wiring with two runs of single core 4.0 Sq mm FRLS PVC insulated unsheathed multi stranded copper conductor 1100 V grade with colour code and one run of 4.0 Sq mm single core FRLS PVC insulated unsheathed multi stranded copper conductor green colour cable as earth continuity conductor drawn in & including casing & capping complete all as specified and directed. ( Note :Two runs of 4.0 Sqmm copper cable, one run of earth wire of 4.0 Sqmm copper cable shall be measured & paid as one length).

Servicing of air shower for 2 persons by checking all electrical connection, replacing u/s wire, lugs, washers, sensors, push button, cleaning filters, blower motor servicing, oiling, replacement of bearing of blower assembly, bush etc complete all as specified and directed.

M&L for replacement of unsv Doormat magnetic switch of air shower complete all as specified and directed.

M&L for replacement of unsv hydraulic Door closer assembly of air shower complete all as specified and directed.

M&L for repair of Printed circuit board of air shower for 2 persons taking down and re-fixing of the same complete all as specified and directed.

M&L for servicing, rewinding of stabilizer 4 KVA with copper winding as per existing gauge & turns including replacement of defective items compete all as specified and directed.

M&L for servicing, rewinding of stabilizer 5 KVA with copper winding as per existing gauge & turns including replacement of defective items compete all as specified and directed.

M&L for replacement of unsv condenser cooling coils of Split type AC up to 3 TR cap with new copper coil including taking out unsv condenser coil complete all as specified and directed.

M&L for replacement of unsv motor of air curtain as per existing make and model including replacement of bush, baring etc as reqd at site complete all as specified and directed.

M&L for replacement of unsv drain flexible PVC pipe of split type AC complete all as specified and directed.

M&L for replacment of unsv HEPA filters having 99.97% DN to 0.3 MIC of Air shower as per existing size complete all as specified and directed.

M&L for replacment of emergency release switch of Air shower including making proper connections complete all as specified and directed.

M&L for replacment of unsv pre filters of Air shower flange type having efficiency 95% DN to 10 MIC as per existing size complete all as specified and directed.

M&L for servicing of VRF system 53 KW having 03 Nos outdoor units by checking all parts, repair to electrical connection, cleaning of air filter, cooling coil, fan/blower and replacing minor u/s parts like bushes, nut bolts etc complete all as specified and directed.

M&L for replacment of unsv rotational moulded polyethylene water storage tanks (cylinderical vertical with closed top) two layer ISI marked hoisted and fixed in position all as specified in SSR Pt-I of capacity 1000 Ltrs complete all as specified and directed.

M&L for replacment of condensor coil blower motor of water cooler 40 to 150 Ltr /refrgerator 190 to 385 Ltr capacity as per existing type & model complete all as specified and directed.

M & L Attending emergent complaints i.e pertaining to Air conditioners any type, water cooler any type, Refrigerator any type including carrying out minor repairs including replacing necessary capacitors, thermostat,relays, PCB etc as required to make the system in order/ functional complete all as specified and directed. Note :- Rate of spare parts shall be measured and paid separately under relevant items. Minor parts deemed to include in cost of item.

M & L for taking out existing insulation & replace with new insulation 24 kg/cu mt density & cover with glass wool of 50 mm thickness & 26 gauge Aluminium clading complete all as specified and directed.

M&L for taking out existing & Supply installation , testing & commissioning of of PN 1.6 , 3 way modulating valve 100 mm dia for AHU,s chilled water coil application complete with motor actuator, thermostat, voltage transformer, flanges, nuts-bolts, gaskets duy insulated with 50 mm thick TF Quality EPS & covered with 12 mm sand cement plaster including Copper Power & controle cable of suitabe size complete all as specified and directed.

M&L for replacement of microprosser controller Model - 33 TR Scroll V3A Type Delux, Range 16/4/2, Aux supply 15 V AC complete all as specified and directed. Existing Make : Softhard

M&L for replacement of Microprocessor Model:VLRP single V4, Type Delux, Range 6/5/4, Aux supply 13 V AC, complete all as specified and directed. Existing Make : Softhard

M&L for replacement of Microprocessor Model 44 TR Scroll V3A, type Delux, Range 17/5/2, Aux supply 15 V AC complete all as specified and directed. Existing Make : Softhard

M&L for replacement of Microprocessor Model Screw single 100 TR, V3 Type Delux, Range 7/7/4 Aux supply 15 V AC complete all as specified and directed. Existing Make : Softhard

M&L for replacement of microprosser Model - 33 TR Scroll V2A Type Delux, Range 16/4/2, Aux supply 15 V AC complete all as specified and directed. Existing Make : Softhard

M&L for replacement of microprosser Model - 22 TR Scroll V2A Type Delux, Range 16/4/1, Aux supply 15 V AC complete all as specified and directed. Existing Make : Softhard

M&L for replacement of microprosser controller Model - EC, Type M2VPD, Range 5-30A, Aux supply 230V AC, Special 5 Sec curve MPD complete all as specified and directed. Existing Make : Softhard

M&L for replacement of microprosser controller Model- EC, Type MVPD, Range- 80-440 A, Aux supply -230V AC, Special -5 Second curve MPD complete all as specified and directed.Existing Make : Softhard

M&L for replacement of microprosser controller Model- EC, Type MVPD, Range- 5-30A, Aux supply -230V AC, Special -5 Second curve MPD complete all as specified and directed. Existing Make : Softhard

M&L for replacement of microprosser controller Model- µ-VPD (SPLIT) EC, Range-360v-500v ac (Normal 415AC) , Aux supply -230V AC, complete all as specified and directed. Existing Make : Softhard

M&L for replacement of microprosser controller Model- m3 PD Type-µ-MPD, Range 5 to 30 AMPS Aux Supply 13 VAC, Special - 5 Sec, complete all as specified and directed. Existing Make : Softhard

M&L for duct thermal insulation class O nitrile rubber based thermal insulation 19 mm thick with treated woven glass fibre covering of 0.18mm thick, density of 200+20 GSM, Tensile strength 275+-25 Kg/mm for exposed to sun application (green colour) including fixing with adhesive which is specifically formulated for duct insulation which shall be free from benzene and joints shall be fixed with glass cloth foil based tape with self adhesive ability to ensure 100% leak proof, including taking out existing unsv insulation material, cleaning the duct surface complete all as specified by OEM & directed by Engineer-in-Charge. Existing Make - Armacell/Vidoflex/Eurobatex.

M&L for taking out carefully damaged ducting including all accessories complete all as specified and directed.

Supply assembly and erection of GI sheet with C &SS rectangular/square duct made out of L shaped hollow profile, duly factory boxed, incl all accessories such as corner, cleat, carriage bolt, gasket and appropriate sealant on longitudinal joints etc complete of size 22 gauge all as specified and including with required scaffolding work to install the ducts at site complete all as specified and directed. Note :-(i) for measurement only the final finished area in Sqmm shall be measured. (ii) Venes, splitters, MS frames for joints, flanges, access doors etc shall not be measured seprately . These shall be treated as part of duct work. (iii) only external angle Iron/C channel duct support shall be measured and paid separatly.

S&F in replacement of blower belt of AHU/Compressor belts as per existing model and type ISI marked including re-alignment of the motor and blower if required for proper tension of belts complete all as specified and directed.

M&L for replacment of unsv centrifugal monoset pump set suitable for working on 415V three Phase 50 Hz AC supply having 2900 RPM, 5.5KW/7.5HP, discharge 14 LPS at 28 mtr head, del size 80x65mm, class B insulation, Existing Model No KD6-830 Make- Kirloskar (2402 Sqn) complete all as specified and directed.

S&F Rotational mounted polyethylene water storage tank (cylindrical vertical with closed top) hoisted and fixed including necessary fittings required for inlet, outlet water pipe connection (such as barrel nipple, union, tee, drain plug, air vent pipe for outlet line etc.) complete all as specified and directed for following capacity :-

(a) 2000 Ltr Cap

(b) 5000 Ltr Cap

Supply, installation, testing & commissioning of 100 mm dial type Pressure Gauge with appropriate range & SS valves and SS tubing complete all as specified and directed.

Supply, installation, testing & commissioning of set of 150 mm dial type Temp Gauge with appropriate range & SS valves and SS U tubing complete all as specified and directed.

M&L for replacement of old unsv outdoor unit of split type with AC 3 star rating, 1.5 TR Cap having copper tubing, high EER rating compressor (for gas R-407/410/32), blower motor etc. complete including, making elect, refrigerant piping connection, brazing, leak testing and charging suitable refrigerant gas to achieve desired cooling effect and testing complete all as specified and directed. Existing Make- Blue Star/Voltas/Hitchin/Daiken

M&L for replacement of Unsv indoor unit of split type AC 1.5 TR complete having 3 star rating suitable for (R-407/410/32) gas complete all as specified and directed. Existing Make- Voltas/Blue Star/Hitachi/Daiken

Supply and lay and jointing tubing medium grade galvanised iron pipes, ISI marked with all fittings such as bends, tees, elbows, nipple, unions, short pieces, sockets etc and laid in trenches complete all as specified and directed.of size :- (a) 25 mm bore

S & F gun metal globe or gate valves with iron wheel head screwed both end for iron pipe and fixed complete all as specified and directed. (a) 25 mm dia bore

K K ENGINEERING SERVICES