CWE/PM/SP-23/2021-22 REPAIR AND MAINTENANCE OF CENTRAL AC PLANTS IN THE CAMERO AREA AND WAC AREA UNDER GE(AF) SUBROTO PARK DELHI CANTT-10

Amount

M&L for servicing of AHU capacity of 20000 CFM AC plant installed at DIT comprising of cleaning the coil/filters with chemical followed with pressurised water jet greasing of AHU motor, tightening of belts, tightening of all nut/bolts for noiseless operation of AHU section complete all as specified and as directed by the Engineer-in-Charge.Note: Servicing shall be carried during the commencement of contract and after sixth month from first servicing as mentioned in Work order No. 1/extended date of completion. Rate of the same shall deemed inclusive in Rate quoted for BOQ. Nothing extra shall be paid on this account.

M&L for servicing to condensor (3 Nos) of 3 x 18 TR AC plant installed at DIT including opening the end plates, carrying out the descaling with descaling compound and pull through with nylon brush in each tubes, cleaning thoroughly with water and chemical, refixing the end plates to its existing position to ensure leak proof area complete all as specified and as directed by the Engineer-in-Charge. Note: Servicing shall be carried during the commencement of contract and after sixth month from first servicing as mentioned in Work order No. 1/extended date of completion. Rate of the same shall deemed inclusive in Rate quoted for BOQ. Nothing extra shall be paid on this account.

M&L for welding/brazing of Mufller for arresting of leaking and after welding applying synthetic enamel paint including cleaning of mufller complete all as specified and as directed by the Engineer-in-Charge.

M&L for servicing FRP type cooling tower of capacity 40 TR at DIT including cleaning of sump, circulation of descalling compound, checking the smooth operation of CT fan, distribution arms and fan guard for noise free operation complete all as specified and as directed by the Engineer-in-Charge. Note: Servicing shall be carried during the commencement of contract and after sixth month from first servicing as mentioned in Work order No. 1/extended date of completion. Rate of the same shall deemed inclusive in Rate quoted for BOQ. Nothing extra shall be paid on this account.

M&L for repair to suction & discharge valve of compressor 3x18 TR of capacity by means of replacing the teflon washer sheet, suction & discharge valve ring, spring, 'O' rings, gaskets etc complete and testing for proper holding of valve, leak testing etc all as specified and as directed. NOTE: The rate inclusive of suction & discharge valve which is consider as one job.

M & L for leak testing of AHU unit cooling coil 20000 CFM at DIT after pumping down the complete system, isolating the cooling coil from both ends and charging the dry nitrogen gas for pressure leak test, after detecting leak point, release the nitrogen gas, repairing the leak point but means of soldering/brazing and connecting the cooling coil with system, vaccumised the complete system and re-charge the system by refrigerant testing and commissioning up to satisfactory cooling performance Note: (i) Refrigerant gas shall be measured and paid separately as supply only. (ii) Nitrogen gas required deemed to be inclusive in the quoted rate.

M&L for opening of condensor and removing of unsv condensor tube from existing position without damaged then supply and fixing of condensor copper tube size 1/2 to 1/4 inch dia 5 feet length including cleaning of condensor after repairing and pumping down the gas complete all as specified and directed by Engr-in-Charge.

Taking out unserviceable CT motor 3.0 HP suitable for central AC plant of cap 3x18 TR and rewinding with super enamelled copper winding wire including replacement of bearings and testing after rewinding and refixing to its existing location complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable V belt for compressor SMC for central AC plant complete all as specified and as directed by the Engineer-in-Charge. Make: Fenner model No. B 78 or equivalent in Asian.

Supply and fix in replacement of unserviceable V belt for AHU for central AC plant of cap 3x18 TR complete all as specified and as directed by the Engineer-in-Charge. Make: Fenner model No. B 92 or equivalent in Asian or existing as per site.

Supply and fix in replacement of liquid line valve fixing in exiting position including welding in proper position after fixing checking of leaking and leak arrest etc for compressor SMC 65 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable solenoid valve for fluid control having coil voltage 230 volts including connections suitable for SMC 65 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable course filters box type of size 62x62x4 cm to AHU of cap 36 TR suitable for SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable oil pump suitable for SMC 65 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable gear and brush for oil pump assembly suitable for SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable oil strainer suitable for SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

M&L major overhauling of compressor capacity 18 TR including replacement of only damage part like 'grinding & finishing of crank shaft & other required work complete all as specified and directed by Engineer-in-charge. Note:-Auxiliary part required as per major overhauling will be measured and paid separately.

Supply and fix in replacement of unserviceable bushing and thrust bearing as per site requirement size for crankshaft of compressor model SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable suction strainer for compressor model SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable half section of bearing as per site requirement size for compressor complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable cylinder liner for compressor model SMC 865 for compressor complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of Expansion Valve capacity of 20 TR including welding/brazing and checking of leaking and leak arrest complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of solenoid valve including welding/gaskit / screwing etc for SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of Liquid line solenoid valve for AHU 20000 CFM including welding, leak testing and leak arrest complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of liquid line Y strainer for AHU 20000 CFM including welding, leak testing and leak arrest complete all as specified and as directed by the Engineer-in-Charge..

Supply and fix in replacement of unserviceable set of gasket for compressor model SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable set of neoprene 'O' ring for compressor model SMC 865 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable discharge pressure gauge 0 to 300 PSI of dia 4" complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable water pressure gauge 0-150 PSI 4" dia dial type complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable Thermometer industrial type complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable oil pressure gauge 0 to 150 PSI of dia 4" complete all as specified and as directed by the Engineer-in-Charge.

S & F in Replacement of panel air filters, dry type, washable, rated air flow capacity 1600 CFM (99.9% down to particle 20 micron) of Suitable sizes or nearest for AHU of central AC plant.

Supply and fix in replacement of Teflon washer for suction valve for compressor SMC 865

Supply and fix in replacement of Teflon washer for Discharge valve for compressor SMC 865

Supply and fix in replacement of Gate valve suitable for 80 mm dia MS pipe all as specified and directed by Engr-in-Charge

Supply and fix in replacement of Gate valve suitable for 50 mm dia MS pipe all as specified and directed by Engr-in-Charge

M&L for repair to 3 phase monoblock water pump set with squirrel cage induction motor of capacity 5 HP installed at AFCME/DIT including rewinding of squirrel cage motor with super enamelled copper winding wire and replacement of bearing and minor spare parts like as keys, bushes and also replacement motor casing , pump casing and worn out parts and testing after rewinding and refixing to its existing location ,complete all as specified and as directed by the Engineer-in-Charge.

Taking out unserviceable squirrel cage induction motor of compressor 865 installed at DIT and rewinding compressor 865 motor 25 HP 3 phase 415 V 50 Hz with copper winding wire including insulation thimbles greasing & replacement of minor spare parts such as keys, bushes bearings etc and testing after rewinding and refixing to its existing location after rewinding all as specified and directed by Engr-in-Charge.

Taking out unserviceable AHU motor and rewinding AHU blower motor 10 HP 3 phase 415 V 50 Hz installed at DIT with copper winding wire including insulation thimbles greasing & replacement of minor spare parts such as keys, bushes etc and testing after rewinding and refixing to its existing location after rewinding all as specified and directed by Engr-in-Charge.

Taking out unserviceable AHU motor and rewinding AHU blower motor 1 to 3 HP 3 phase 415 V 50 Hz installed at AFCME with copper winding wire including insulation thimbles greasing & replacement of minor spare parts such as keys, bushes etc and testing after rewinding and refixing to its existing location after rewinding all as specified and directed by Engr-in-Charge.

M&L for servicing of 1x36 TR air cooled central AC unit installed at AFCME including washing of evoprator unit, condensing unit, greasing to condensor motor for noise free operation, servicing to ceiling suspended AHU-04 Nos, cleaning of air filters, tightening of electrical/mechanical connections complete all as specified and as directed by the Engineer-in-Charge. Note: Servicing shall be carried during the commencement of contract and after sixth month from first servicing as mentioned in Work order No. 1/extended date of completion. Rate of the same shall deemed inclusive in Rate quoted for BOQ. Nothing extra shall be paid on this account.

Painting to the installation of AC plant 1x36 TR installed at AFCME including all system i.e. air cooled condenser, compressor, pumps, duct, all pipe lines, stands, motor AHU 4 Nos as per existing colour code with one coat of synthetic enamel paint with the help of spray gun after cleaning and preparation of surfaces including writing SM/MES No with white letters on black back ground complete all as specified and as directed by the Engineer-in-Charge.

Painting to the installation of AC plant 3x18 TR installed at DIT including all system i.e. condenser, compressor, pumps, duct, all pipe lines, stands, compressor motor ,cooling tower, AHU and AHU motor as per existing colour code with one coat of synthetic enamel paint with the help of spray gun after cleaning and preparation of surfaces including writing SM/MES No with white letters on black back ground complete all as specified and as directed by the Engineer-in-Charge.

S&F in replacement PVC fills as per existing model and size heavy duty for forced draught type cooling tower of DIT central AC plant complete all as specified and as directed by the Engineer-in-Charge.

Supply and fixing in replacement of water flow switch including control cable from panel to switch , elecrical connection, welding , screwing complete all as specified and as directed by the Engineer-in-Charge.

M&L for refrigerant charging (M-22/F-22/R-22) for central AC plant including pressure testing the complete plant by dry nitrogen gas by separating high side and low side, rectifying the leakage by gas welding brazing pressure testing vaccuming the system and re-charging the system with gas, testing and commissioning complete all as specified and directed by Engr-in Charge. Note:- Any leakage occurs after charging of gas same shall be repaired and rectified by contractor without claiming extra cost from department.

Supply & filling compressor oil suitable as per existing viscosity for SMC 865 complete all as specified and as directed by the Engineer-in-Charge.Make : Servo 68 / Castrol or equivalent

S&F in replacement of condenser water and chilled water pipes of MS heavy grade of following sizes/dia with all fittings complete laid in trenches/on wall/on ceiling/roof etc including necessary suitable size of MS clamps/saddling on walls etc complete all as specified and as directed by the Engineer-in-Charge. Make: Jindal/TATA

(a)100 mm dia.

(b) 80 mm dia.

(c) 65 mm dia.

(d) 50 mm dia.

S&F in replacement GI tubing medium grade of following sizes/dia with all fittings complete laid in trenches/on wall/on ceiling/roof etc including necessary suitable size of MS clamps/saddling on walls etc complete all as specified and as directed by the Engineer-in-Charge.

(a) GI Tubing 15 mm dia.

(b) GI Tubing 20 mm dia.

(c) GI Tubing 25 mm dia.

(d) GI Tubing 32 mm dia.

Supply and fix in replacement of discharge safety valve with checking of leak testing complete all as specified and directed by Engr-In-Charge

S & F in replacement of Oil HP cut out Type MP - 5 suitable for M-22/F-22/R-22 gas complete all as specified and as directed.

S & F in replacement of Gas LP/HP combination cut out MP - 15 Suitable for M-22/F-22/R-22 gas complete with flare nut complete all as specified and as directed.

Supply & fix replacement of ammeter with ratio of 100/5 Amps & all as specified & directed.

Supply & fix replacement of voltmeter 0-500 V AC supply 50 Hz & all as specified & directed.

Supply and fix in replacement of unserviceable MCCB 200 amps 4 pole 36 KA 415 volts 50 Hz with adjustable thermal and fixed magnetic setting complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable 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 the Engineer-in-Charge.

Supply and fix in replacement of unserviceable MCCB 100 amps 3 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 the Engineer-in-Charge.

Supply and fix in replacement of unserviceable contactor MNX-32 2 pole with thermal magnetic release and 1 NO complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable contactor MNX-18 2 pole with thermal magnetic release and 1 NO complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable contactor MNX-12 2 pole with thermal magnetic release and 1 NO complete all as specified and as directed by the Engineer-in-Charge

Supply and fix in replacement of unserviceable 3 pole power contactor ML-1 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable 3 pole power contactor ML-1.5 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable 3 pole power contactor ML-2 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable 3 pole power contactor ML-3 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable timer unit ET-100, 0-60 sec complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable add on contacts MNX A2 with 1 NO+NC complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable add on contacts MNX A1 with NO+NC complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable MCB C-curve TP 16-32A complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable MCB TPN 63A complete all as specified and as directed by the Engineer-in-Charge.

S&F in replacement scroll compressor of cap 12.5 TR with washers, bolts and nuts three phase 415 V 50 Hz suitable for central AC plant including brazing leak test of the system with compressed nitrogen and testing the unit for satisfactory functioning complete all as specified and as directed by the Engineer-in-Charge.

M&L for replacement of Aluminum/FRP Fan hub assembly suitable for 36/40 TR type cooling tower at DIT including taking out unsv items and fixing in new for existing size and shape all a s specified and directed by Engr-in-Charge

M&L for in replacement of Aluminum/FRP Fan assembly for 36/40 TR cooling tower at DIT including taking out unsv items and fixing in new for existing size and shape all a s specified and directed by Engr-in-Charge

M&L for in replacement Fan assembly and motor for air cooled at AFCME including taking out unsv items and fixing in new for existing size and shape all as specified and directed by Engr-in-Charge

Supply, assembly and erection of 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 18/22 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) M&L for 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) M&L for applying rubber based adhesive CPRX compound. (c) M&L for sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leakproof. (d) M & L for securing the insulation with and including mechanically fastened nylon.

Charges for attending to central AC plant complaints for rectification of minor complaints in LT panel, control Panel, AHU, Compressor and condensor including replacement of minor parts like nut bolts, washer, small gaskit, all as specified and directed by Engineer-in-Charge

M & L for dismantling of complete unit of automatic voltage stabilizer oil cooled type 3 phase 440 Volts , 50 hz, 100 KVA after disconnecting of electrical connection, taking out oil strp blue line, cleaning and segregating of mechanical mechanism 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 testing on full load for manual corrected output voltage at variable (within permissible 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 including one job)

Supply only servomotor of existing capacity shape and size

Supply only Electronic circuit card (PCB)

Supply only Electronic circuit card PCB holder

Supply only complete micro processor based panel

Supply only Potentiometer

Supply only drive assembly 25/35 KVA per Phase

Supply only RC network servo motor

Supply only DPDT switch

Supply only Panel lamp

Supply only servo oil for topped up of voltage stabilizer

M & L for dismantling of complete unit of automatic voltage stabilizer oil cooled type 3 phase 440 Volts , 50 hz, 75 KVA after disconnecting of electrical connection, taking out oil strp blue line, cleaning and segregating of mechanical mechanism 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 testing on full load for manual corrected output voltage at variable (within permissible 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 including one job)

Supply only servomotor of existing capacity shape and size

Supply only Electronic circuit card (PCB)

Supply only Electronic circuit card PCB holder

Supply only Micro switch of existing capacity shape and sizes

Suply only Carbon brush with brush holder (set of three)

Supply only complete micro processor based panel

Supply only trigger transformer

Supply only drive assembly 20 KVA per Phase

Supply only RC network servo motor

Supply only Ampere meter with CT

Supply only servo oil for topped up of voltage stabilizer

M&L for insulation to chilled water piping with 12 mm thick rubber nitrile with Aluminium foil of density 30 Kg/Cum for 65 mm chilled water pipe complete with rubber based adhesive Pidlite SR 998/equivalent and thermal conductivity not exceeding 0.0035 W/Mk at an average temp of 40 Degree C complete all as specified and as directed by the Engineer-in-Charge.

M&L for insulation to chilled water piping of central AC plant of following sizes with 19 mm (for all pipes) and 13 mm (for drain pipes) thick closed cell chemically cross linked fire retardant polyethylene foam insulation of density 30 Kg/Cum. The thermal conductivity of the material should not exceed 0.035 W/Mk at an average temp of 40 deg C, covered with aluminium faced foil complete with application with rubber based adhesive pidilite SR 998 and 50 mm X 3 mm thick self adhesive tape on both longitudinal & transverse joints simultaneously complete all as specified and as directed by the Engineer-in-Charge.

80 mm dia chilled water pipe including valves, strainers etc.

65 mm dia chilled water pipe including valves, strainers etc.

50 mm dia drain pipe.

M&L for insulation to HDPE expansion tank of size 1000 Ltr of central AC Plant with suitable FR-XLPE/XPE 19 mm thick of minimum bulk density 28/-4 Kg/Cum covered with vapour barrier and finished with 0.5 mm thick aluminium cladding and application with rubber based adhesive pidilite SR 998 and 50 mm X 3 mm thick self adhesive tape on joints complete all as specified and as directed by the Engineer-in-Charge.

S& F in replacement of Micron filter capable of filtering particles upto 5 micron size of 22''x22''x6'' fixing in AHU at DIT central AC plant including repair/replacemnt of angle iron and necessary nut bolts all as specified and directed by Engr-in-Charge.

M&L for replacement of Diffuser round/square type fixing duct at roof including taking down existing unsv items and fixing new diffuser suitable for existing size and shape with nut blots and clamps all as specified and directed bu Engr-in-Chatge

S&F in replacement of 6 Sqmm PVC insulated and FR Sheathed copper Control Cable , 3 core,1100V for AHU motor confirming to IS 694 including connection from panel to Motor all as specified and directed by Engr-in-Charge.

M&L for servicing of AHU for 20000 CFM of AC plant installed at OPS room comprising of cleaning the air filter/cooling coil, cleaning of fresh air duct/grill with chemical followed with pressurised water jet, greasing of AHU motor, tightening of belts, checking the functioning of 3 way motorised mixing valve, tightening of all nut/bolts for noiseless operation of AHU. Note: Servicing shall be carried during the commencement of contract and after sixth month from first servicing as mentioned in Work order No. 1/extended date of completion. Rate of the same shall deemed inclusive in Rate quoted for BOQ. Nothing extra shall be paid on this account.

M&L for servicing to condensor (3 Nos sets) of 3 x 25 TR AC plant installed at OPS Room including opening the end plates, carrying out the descaling with descaling compound and pull through with nylon brush in each tubes, cleaning thoroughly with water and chemical, refixing the end plates to its existing position to ensure leak proof area complete all as specified and as directed by the Engineer-in-Charge. Note: Servicing shall be carried during the commencement of contract and after sixth month from first servicing as mentioned in Work order No. 1/extended date of completion. Rate of the same shall deemed inclusive in Rate quoted for BOQ. Nothing extra shall be paid on this account.

M&L for servicing FRP type cooling tower of capacity 60 TR including cleaning of sump, circulation of descalling compound, checking the smooth operation of CT fan, distribution arms and fan guard for noise free operation complete all as specified and as directed by the Engineer-in-Charge.Note :- Servicing shall be carried during the commencement of contract and after sixth month from first servicing as mentioned in Work order NO 1/extended date of completion.Rate of the same shall deemed inclusive in Rate quoted for BOQ. Nothing extra shall be paid on this account.

M&L for repair to suction & discharge valve of compressor 3x25 TR of capacity by means of replacing the teflon washer sheet, suction & discharge valve ring, spring, 'O' rings, gaskets etc complete and testing for proper holding of valve, leak testing etc all as specified and as directed. NOTE: The rate inclusive of suction & discharge valve which is consider as one job.

M & L for Preparation of old painted surfaces and applying two coats of synthetic enamelled paint to cooling tower with motor -01 No of CHOC central AC plant at 3x25 TR AC plant all as specified and directed by Engr-in- Charge

Supply and fix in replacement of unserviceable suction pressure gauge minus 30 to 150 PSI of dia 4" complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable 3 pole power contactor ML-1 complete all as specified and as directed by the Engineer-in-Charge. Make: L&T or existing as per site.

Supply and fix in replacement of unserviceable 3 pole power contactor ML-1.5 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable 3 pole power contactor ML-2 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable 3 pole power contactor ML-3 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable Single phase preventer (Auto reset, 40 Volts unbalanced) VSP-2 complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable thermal overload relay 6-10 Amps as per existing make complete all as specified and as directed by the Engineer-in-Charge.

All as per item No 96.00 here in before but 10-16 Amps.

All as per item No 96.00 here in before but 20-32 Amps.

Supply and fix in replacement of unserviceable overload relay 25 Amps complete all as specified and as directed by the Engineer-in-Charge.

All as per item No 99.00 here in before but 25-40 Amps.

Supply and fix in replacement of unserviceable MCB C curve TP 63A complete all as specified and as directed by the Engineer-in-Charge.

Supply and fix in replacement of unserviceable MCB C curve SP 6-32A complete all as specified and as directed by the Engineer-in-Charge.

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) 10 Sqmm 4 core

(b) 25 Sqmm 4 core

(c) 35 Sqmm 3.5 core

(d) 50 Sqmm 3.5 core

Supply and installation in replacement of phase sequence corrector of capacity 200 HP of 3 phase corrector for 3 phase central AC plant other 3 phase items , electrically controlled with interlocking system duly pre wired with multistranded copper wire of durable rating , powder coated metallic housing with hanged door and indicator for each phase. current rate 40A- 300 A, Voltage rating 440V all as specified and directed by Engr-in- Charge.

Supply and fix in replacement of unserviceable filter drier connected with compressor with existing model complete all as specified and as directed by the Engineer-in-Charge.

M&L for repair to 3 phase monoblock condenser water pump set with squirrel cage induction motor of capacity 7.5 HP including rewinding of squirrel cage motor with super enameled copper winding wire and replacement of bearing and minor spare parts like as keys, bushes and also replacement motor casing , pump casing and worn out parts and testing after rewinding and refixing to its existing location ,complete all as specified and as directed by the Engineer-in-Charge.

Taking out unserviceable AHU motor and rewinding AHU motor 12.5 HP 3 phase 415 V with copper winding wire including insulation thimbles greasing & replacement of minor spare parts such as keys, bushes etc and testing after rewinding and refixing to its existing location after rewinding all as specified and directed by Engr-in-Charge.

Taking out unserviceable CT motor 5 HP suitable for cooling tower with capacity 60 TR and rewinding with super enamelled copper winding wire including replacement of bearings and testing after rewinding and refixing to its existing location complete all as specified and as directed by the Engineer-in-Charge.

Supply only refrigeration gas R-407C in manufacturer sealed cylinder including pressure testing the complete plant by dry nitrogen gas by separating high side and low side, rectifying the leakage by gas welding brazing pressure testing vaccuming the system and re-charging the system with gas, testing and commissioning complete. NOTE:- (i) Gas to be supplied in manufacturer sealed container. (ii) Empty containers will be returned to contractor .

Supply & filling transformer oil in servo stabilizer of capacity 200 KVA for topping up complete all as specified and as directed by the Engineer-in-Charge.Make: Servo/castrol or equivalent

Supply, installation, testing and commissioning in replacement electric strip heater in replacement to unsv one for winter heating and monsoon reheating with finned type heaters of cap 3 KW including end terminations complete all as specified and as directed by the Engineer-in-Charge.

S & F in replacement of Oil HP cut out Type MP - 5 suitable for R 407C gas complete all as specified and as directed.

S & F in replacement of GAS LP/HP combination cut out MP - 15 Suitable for R 407C gas complete with flare nut complete all as specified and as directed.

S & F in replacement of solenoid pilot control valve type 10 with two / three coil assembly of same model all as specified.

Supply and fix in replacement of butterfly valve suitable for 80 mm dia MS pipe all as specified and directed by Engr-in-Charge

Supply and fix in replacement of butterfly valve suitable for 65 mm dia MS pipe all as specified and directed by Engr-in-Charge

S& F in replacement of earth leakage relay suitable for 3x25TR compressor motor starter all as specified & directed. Make: L&T.

Supply and fix in replacement of unserviceable V belt with ISI mark for AHU for central AC plant of cap 3x25 TR complete all as specified and as directed by the Engineer-in-Charge. Make: Fenner model No. B 78 or equivalent in Asian or existing as per site.

Supply and fixing Electrical wiring of panel with suitable 1.5 Sq.mm/2.5 Sqmm/4 Sqmm (nominal area) PVC unsheathed multi strandard copper conductor pvc insulated 1100 volt FRLS grade single core cable, testing and commissioning of complete power system including taking down and refixing of serviceable connector,thimble, timer,overload relay,earth leakage relay, MCCB, servicing of starter etc.satisfactory operation of the AC plant of capacity 3x25TR all as specified and directecd. Note:- Additional spare parts measured and paid separately

Supply , fixing and replacement suction tank of FRP cooling tower 60 TR as per existing site and also connected items such as MS pipe connection ,fixing arrangement of cooling tower and PCC work as specified and directed by engineer-in-charge.

J.P. Enterprises

Saini Enterprises

SANWARIYA ENTERPRISES

Flint India

M/S Anand Enterprises