REPAIR/ MAINTENANCE OF VARIOUS DUCTABLE SPLIT/

Amount

Servicing of Tower /Cassette AC /Ductable type split AC / Package type AC of capacity 3/3.5/4/5/8.5 of any make at different locations at subroto park, testing the unit complete with the following tasks:- (a) Overhauling & servicing (b) Inspection opening washing the condensor coil and cooling coil with chemical followed with pressurized water jet complete (c) Inspection of leakage of refrigerant in the system (d) Checking the operation of blower motor, condesnor motor and swing motor for noise free operations (e) Oiling of condensor / blower motors and checking the earth continuity (f) Inspection all electrical parts / connections and remove if any defect (g) Checking the functional of electronic remote control unit to ensure satisfactory functioning of unit complete all as specified and as directed by Engr-in-charge.

Supply & fixing in replacement of the following unserviceable spare parts for Tower / Cassette /Ductable type split AC / Package type AC of capacity 3/3.5/4/5/8.5 TR air Conditioners of any make & model complete all as specified and directed by Engr-in-charge. (a) Single phasing preventor as per existing size and capacity complete all as specified and as directed by Engr-in-charge.

(b) Three Phase Connector as per existing size complete all as specified and as directed by Engr-in-charge.

(c) Contactor three phase as per existing size and capacity complete all as specified and as directed by Engr-in-charge.

(d) Running capacitor as per existing size & capacity complete all as specified and as directed by Engr-in-charge.

(e) Copper tubing flexible of dia 7/8" with insulation and brazing work complete all as specified and as directed by Engr-in-charge.

(f) All as per item No 6 here in before- but of dia 1/2" complete all as specified and as directed by Engr-in-charge.

(g) Flexible copper cable 5 core multi stranded of size 2.5 sq mm 1100 V complete all as specified and as directed by Engr-in-charge.

(h) Triple pole and earth enclosure with a three pin and earth plug with socket complete with one triple pole MCB 32 amps 415 V complete all as specified and as directed by Engr-in-charge.

(j) MCCB TPN 63 Amp 16 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting complete complete all as specified and as directed by Engr-in-charge.

(k) Condenser motor three phase suitable for tower type AC of cap 3.5 TR as per existing size and model complete all as specified and as directed by Engr-in-charge.

(l) All as per item No. 11 above but blower motor complete all as specified and as directed by Engr-in-charge.

(m) Condensor motor three phase suitable for cassette type AC of cap 3.0 / 4.0 TR as per existing size and model complete all as specified and as directed by Engr-in-charge.

(n) All as per item No.13 above but blower motor complete all as specified and as directed by Engr-in-charge.

(o) Condensor motor three phase suitable for ductable type split AC of cap 5.0 / 8.5 TR as per existing size and model complete all as specified and as directed by Engr-in-charge.

(p) All as per item No. 15 above but blower motor complete all as specified and as directed by Engr-in-charge.

(q) Blower as per existing suitable for Tower / Cassette AC of cap 3.0 / 3.5 / 4.0 TR complete all as specified and as directed by Engr-in-charge.

(r) Blower as per existing suitable for Ductable type split AC of cap 5.0 / 8.5 TR complete all as specified and as directed by Engr-in-charge.

M&L for repair to unserviceable cordless PCB remote control unit any type normal or inverter of Tower type AC 3.0/3.5 TR, Cassette type AC of capacity 3/4.0 TR, Ductable type split AC of cap 5/8.5 TR including replacement of unserviceable spare parts and refixing, connection of electrical control circuit, testing for satisfactory functioning complete all as specified and as directed by Engr-in-charge.

M&L for insulation to copper tubing of Tower type AC 3.0/3.5 TR, Cassette type AC of capacity 3/4.0 TR, ductable type split AC of cap 5/8.5 TR with heavy duty rubber foam insulation as per existing density and thermal conductivity including packing material and pvc tie complete all as specified and as directed by Engr-in-charge.

M&L for Low density polyethylene pipes (LDPE)/Flexible threaded liner type of pressure rating 6 kg/cm2 laid in trenches,walls of dia 25 mm complete all as specified and as directed by Engr-in-charge.

Supply & charging the refrigerant gas to tower/Cassette AC of capacity 3/3.5/4 TR after detecting & repairing leakage by brazing, provn of extra copper tubing if required improvement of efficiency, testing complete all as specified and directed by Engr-in-charge.

S&F in replacement scroll compressor of cap 4.0 TR with washers, bolts and nuts three phase 415V 50 Hz suitable for cassette type AC of make Blue Star model No. SCR481SE2 or its equivalent in voltas/ Hitachi including brazing of respective copper tubing incl providing of extra insulated copper tubing, leak check, dehydration of the system with compressed nitrogen, and gas charging upto required level testing the unit for satisfactory functioning complete all as specified and as directed by Engr-in-charge.

S&F in replacement scroll compressor of cap 3.5 TR with washers, bolts and nuts three phase 415V 50 Hz suitable for tower/verticool type AC of make Blue Star model No. VCE421SE2 or as per existing including brazing of respective copper tubing incl providing of extra insulated copper tubing, leak check, dehydration of the system with compressed nitrogen, and gas charging upto required level testing the unit for satisfactory functioning complete all as specified and as directed by Engr-in-charge.

S&F in replacement compressor of cap 5 TR suitable for ductable type split AC with washers, bolts and nuts three phase 415V 50 Hz including brazing of respective copper tubing incl providing of extra insulated copper tubing, leak check, dehydration of the system with compressed nitrogen, and gas charging upto required level testing the unit for satisfactory functioning complete all as specified and as directed by Engr-in-charge.

M&L for rewinding of condensor fan motor of tower AC / ductable type split AC / Package type AC of cap 3/3.5/5.0 TR including replacement of gun metal bushes, testing for noise free operation and refixing at its existing location complete all as specified and as directed by Engineer-in-charge

M&L for rewinding of condensor blower motor of tower AC / ductable type split AC / Package type AC of cap 3/3.5/5.0 TR including replacement of gun metal bushes, testing for noise free operation and refixing at its existing location complete all as specified and as directed by Engineer-in-charge

M&L for refrigerant charging (R-22) for ductable split type unit of capacity 8.5 TR after removing all leakage of the cooling system including leak test, flushing & dehydration with compressed nitrogen gas incl providing extra copper tubing of existing size for satisfactory functioning of the unit etc complete all as specified and as directed by Engineer-in-charge

M&L for rewinding to 3 phase condensor motor suitable for 8.5 TR ductable split type AC with super enamelled copper winding wire including replacement of gun metal bushes and refixing to its existing location complete all as specified and as directed by Engr-in-charge.

M&L for rewinding to single phase indoor unit blower motor suitable for ceiling mounted AHU of 8.5 TR ductable split type AC with super enamelled copper winding wire including replacement of gun metal bushes and refixing to its existing location complete all as specified and as directed by Engr-in-charge.

S&F in replacement to condesnor fans suitable for 5/8.5 TR ductable split unit complete all as specified and as directed by Engineer-in-charge

S&F in replacement to single phase preventor 415 Volts AC 50 HZ phase -65+/- 10 V AC complete all as specified and as directed by Engineer-in-charge

S&F in replacement to relay IC/0.5 A complete all as specified and as directed by Engineer-in-charge

S&F in replacement to room thermostate switch T-63 T3B 10 A 250 V complete all as specified and as directed by Engineer-in-charge

S&F in replacement to contactor 50A 5 KA max fuse 90 A torque 10 lb-inch complete all as specified and as directed by Engineer-in-charge.

S&F in replacement to running capacitor 20 mfd IS:2993-1998, 440 V 50 HZ 20-0 uf +/- 5% complete all as specified and as directed by Engineer-in-charge

S&F in replacement to HP / LP switch suitable for ductable split type AC of cap 8.5 TR complete all as specified and as directed by Engineer-in-charge

S&F in replacement to solid core liquid line filter drier suitable for ductable split type AC of cap 8.5 TR complete all as specified and as directed by Engineer-in-charge. Make : Danfoss cat part no. DCL-164 or euivalent in Kirloskar

M&L for MCCB 160 amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed by Engineer-in-charge.

M&L for MCCB 100 amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed by Engineer-in-charge.

M&L for rewinding of dimmer of servo voltage stablizer of cap 100-200 KVA complete all as specified and as directed by Engineer-in charge.

M&L for rewinding of dimmer of servo voltage stablizer of cap 50-75 KVA complete all as specified and as directed by Engineer-in charge.

Supply and Topping up/replacement of transformer oil of dielectric strength of 40 KV for voltage stablizer complete all as specified and as directed by Engineer-in charge.

S& F in replacement sub main wiring with two single core PVC insulated unsheathed cable 1100 volts FRLS grade with multi strand copper conductor and drawn through and including PVC conduit along with continuous earthing wire but in green colour complete concealed in wall/ ceiling and connected to common earth dolly of the following size. Note : Three run of PVC cable and one run of PVC conduit shall be measured as one unit length. (a) 10 Sq.mm ( 2 single run of 10 Sqmm and one run of 10 Sqmm as earth wire)

(b) 6 Sq.mm ( 4 single run of 6 Sqmm and one run of 6 Sqmm as earth wire) Note:- 5 Single run of 6 Sqmm cable and one run of PVC conduit shall be measured in one unit length.

(c) 10 Sq.mm ( 4 single run of 10 Sqmm and one run of 10 Sqmm as earth wire) Note:- 5 Single run of 10 Sqmm cable and one run of PVC conduit shall be measured in one unit length.

Supply & fixing in replacement of unserviceable Single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20 amps.

Supply and fix in replacemnt of MCB SP 6-32 amps 230 Volt c series 50 Hz Single phase.

Supply and installation in replacemnt of phase frequency corrector of capcity 25 HP of 3 phase corrector for 3 phase tower/cassate/ductable Spli AC and other 3 phase items , electrically controlled with interlocking system duly pre wired with multistranderd copper wire of duirable rating , powder coated metalic housing with hanged door and indicator for each phase. current rate 40A- 100 A, Voltage rating 440V all as specified and directed by Engr-in- Charge.

M&L for MCCB 200 amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed by Engineer-in-charge.

M&L for MCCB 250 amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed by Engineer-in-charge.

M&L for MCCB 400 amps 4 pole 25 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting including taking out old unserviceable MCCB from panel complete all as specified and as directed by Engineer-in-charge.

M & L for dismantling of complete unit of automatic voltage stabilzer oil cooled type 3 phase 440 Volts , 50 Hz, 16.5/25/30/50 KVA capacity after disconnecting of electrical connection, taking out oil strp blue line, cleaning and segregating of mechanical mechanisum of operation as per direction of Engr-in-Charge cleaning of inner surface of tank, carrying out repairs including replacement of worm out parts, replacement of nuts, bolts of required Nos, refilling of transformer oil, after dehydration up to 60 KV, assembling connecting to electric supply load and on site tesiting on full load for manual corrected output voltage at variable (within permussible limit) input voltage and cut off action on low voltage up to the entire satisfaction of the Engr-in -charge (Note: spare parts shall be measured and paid separately and above mentioned entire specification and fixing of spare parts is included in this job)

Supply only servomotor of existing shape and size

Supply only Elecronic circuit card (PCB)

Supply only Elecronic circuit card PCB holder

Supply only Micro switch of existing shape and sizes

Suplly only Carbun brush with brush holder (set of three)

Supply only complete micro processer based panel

Supply only Potentio meter

Supply only Push button switch as per existing shape and size

Supply only tigger transformer

Suppy only drive assembly 25/35 KVA per Phase

Supply only RC network servo meter

Supply only Ampere meter with CT

Supply only DPDT switch

Supply only Panel lamp

Supply only Dimmer state 20 to 30 Amps

Supply only servo oil for voltage stabilizer

M & L for dismantling of complete unit of automatic voltage stabilzer oil cooled type 3 phase 440 Volts , 50 hz, 100/150 KVA aftr disconnecting of electrical connection, taking out oil strip blue line, cleaning and segregating of mechanical mechanisum of operation as per direction of Engr-in-Charge cleaning of inner surface of tank, carrying out repairs including replacement of worm out parts, replacement of nuts, bolts of required Nos, refilling of transformer oil, after dehydration assembling connecting to electric supply load and on site tesiting on full load for manual corrected output voltage at variable (within permussible limit) input voltage and cut off action on low voltage up to the entire satisfaction of the Engr-in -charge (Note: spare parts shall be measured and paid separately and above mentioned entire specification and fixing of spare parts is included in this job)

Supply only servomotor of existing shape and size

Supply only Elecronic circuit card (PCB)

Supply only Elecronic circuit card PCB holder

Supply only Micro switch of existing shape and sizes

Suplly only Carbun brush with brush holder (set of three)

Supply only complete micro processer based panel

Supply only Potentio meter

Supply only Push button switch as per existing shape and size

Supply only tigger transformer

Suppy only drive assembly 25/35 KVA per Phase

Supply only RC network servo meter

Supply only Ampere meter with CT

Supply only DPDT switch

Supply only Panel lamp

Supply only Dimmer state 20 to 30 Amps

Supply only servo oil for voltage stabilizer

M & L for dismantling of complete unit of automatic voltage stabilzer oil cooled type 3 phase 440 Volts , 50 hz, 200 KVA after disconnecting of electrical connection, taking out oil strip blue line, cleaning and segregating of mechanical mechanisum of operation as per direction of Engr-in-Charge cleaning of inner surface of tank, carrying out repairs including replacement of worm out parts, replacement of nuts, bolts of required Nos, refilling of transformer oil, after dehydration , assembling connecting to electric supply load and on site tesiting on full load for manual corrected output voltage at variable (within permussible limit) input voltage and cut off action on low voltage up to the entire satisfaction of the Engr-in -charge (Note: spare parts shall be measured and paid separately and above mentioned entire specification and fixing of spare parts is included in this job)

Supply only servomotor of existing shape and size

Supply only Elecronic circuit card (PCB)

Supply only Elecronic circuit card PCB holder

Supply only Micro switch of existing shape and sizes

Suplly only Carbun brush with brush holder (set of three)

Supply only complete micro processer based panel

Supply only Potentio meter

Supply only Push button switch as per existing shape and size

Supply only tigger transformer

Suppy only drive assembly 25/35 KVA per Phase

Supply only RC network servo meter

Supply only Ampere meter with CT

Supply only DPDT switch

Supply only Panel lamp

Supply only Dimmer state 20 to 30 Amps

Supply only servo oil for voltage stabilizer

Supply and lay (in trenches/duct/fixing to pole/wall or in such similar position ) LT UG cable XLPE insulated armoured and PVC sheathed LT 1100 volts grade with aluminium conductor in replacement of existing U/s UG cable including taking down old unsv UG cable from existing position of following stranded of sizes :- (a) 25 Sqmm 3.5 core

(b) 35 Sqmm 3.5 core

(c) 50 Sqmm 3.5 core

(d) 95 Sqmm 3.5 core

(e) 120 Sqmm 3.5 core

Supply, assembly and erection in repairs GI Sheet with TDF flange rectangular/square duct made out of 'L' shaped hollow profile,duly factory boxed ,incl all accessories such as supply air and return air diffuser,corner, cleat,carrage bolt,gasket and appropriate sealent on longitudinal joints etc complete of size 18 Gauge complete all as specified and directed.

M&L for duct insulation with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation 40mm as specified and including the following:- (a) Cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage. (b) Applying rubber based adhesive CPRX compound. (c) Sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leakproof. (d) Securing the insulation with and including mechanically fastened nylon.

Supply & fixing in replacement of Refrigeration control wiring with copper conductor, PVC insulated, unsheathed, multistranded, 1100V grade, single core/multi core of size 1.5/2.5 sqmm, removing burned cables from existing position and replacement of multicore control wirings etc for interlocking arrangement as per standard practice with thermostat, humidistat, solenoid valve, blower motor, condenser fans, control wirings etc. all as specified and as directed

M&L for attending minor complaints for tower AC/Cassate AC/Ductable Split AC find out of minor complaints including replacement of minor parts I,e relays in control panel, loose connections. Phase reverse , lugs, rectification of mole functioning in control panel. etc all as specified and directed by Engr -In-Charge

Supply and installation in replacement of voltage stabilizer capacity 5 KVA , AC Supply 180 Volt to 240 Volt , 50Hz fixing on wall all a sspecified and directed by Engr-in-Charge

M&L for replacement of condensor/Air filters in out door unit and AHU of ductable split AC 8.5 TR capacity including taking out unsv filters from existing position and fixing of new filters etc all as specified and directed by Engr - in-Charge .

M&L for cleaning of AHU and duct of ductable split AC , taking out diffuser and removing of dirt partcales , dust and other materials by using thinner or chemical with cleaning brush at any situation including necessary tools for cleaning of duct all as specified and directed by Engr-in-Charge.

S&F in replacement of Diffuser in Ductable split AC for existing size and shape before fixing contractor shall be taking out measurement of existing size including taking out unsv diffuser all as specifed and directed by Engr-in-Charge.

S& F in replacemnt of Stainer for AHU unit of Ductable split AC including taking down unsv items all as specifed and directed by Engr-in-Charge.

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RUCHIKA ENGG.WORKS

SANWARIYA ENTERPRISES

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