REPAIR AND MAINTENANCE OF AC PLANT AT MIL STATION DAPPAR

Amount

M&L for opening of condenser cover of both sides including disconnecting of water pipe line for inlet and outlet of the condenser of each plant. Removing scale/sludge precipitated in the copper tube by push and pull method with iron rod connected with steel wire brush of suitable size as per condenser copper tube size at the entire length of condenser and scraping down the sludge precipitated inside the tube. Closing both side of condenser and circulating the descaling solution, supplied in sealed containers, by 1 HP mono block pump set after mixing it in water in ratio of 1:5 in all tubes of three condenser of each plant through the circulating pump and allow to hold it for 30 minutes for chemical reaction. Opening the condenser from both sides and clean with iron rod connected with nylon brush of suitable size as per condenser copper tube size at the entire length of condenser ensuring that descaling process has been complete; then closing the condenser at both ends and circulating clean water in all the tubes of three condensers of each plant and draining out the same. These processess have to be continued till the tubes are of scales to the complete satisfaction of Engr-in-Charge including fixing new gasket for both ends of the three condensers of each plant, tighten with new nut end bolts. The job also includes Material and labour for making leak proof refrigerent system by vaccumising with in 7.6 mm HG carried out using N-2 gas and maintaining for three hours; at the end of this period vaccum should be maintained for 24 hours complete all as specified and directed by Engr-in-Charge for AC plants of 3X39 TR & 3 x 30 TR capacity. Note :- (a) Supplying the chemical solution for descaling solution for descaling is included in the unit rate quoted. (b) Strength of descaling solution shall be measured with pH paper and if the strength is less than 30%, then the descaling has to be done again by the contractor at his own cost to achieve the desired level of pH and nothing shall be payable extra on this account.

Supply ( in company sealed cylinders of any capacity) and charging refrigerent gas R-22 for filling in 3 x 39 TR & 3 x 30 TR AC compressor as per requirment complete all as specified and directed by Engr-in-Charge. Note: If the recharged refrigerent gas is leaked within 45 days of running of AC plant, the contractor shall recharge gas (including supply) without any extra cost to department.

M&L for topping up/charging compressor oil non freezing type in factory sealed containers in compressor units complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement 'V' Belt B-71 as per sample of existing specifications complete all as specified and directed by Engr-in-Charge. Make: Fenner/ Dunlop.

Supply and fix in replacement 'V' Belt B-78 as per sample of existing specifications complete all as specified and directed by Engr-in-Charge. Make: Fenner/ Dunlop.

M&L for disconnecting, dismantling, taking down burnt out motor 7.5 HP from its base and transporting the motor to the Contractor's workshop and back, refixing, testing on full load, commissioning the repaired motor after carrying out the foowing repairs - (i) opening the side covers and removing the rotor and cutting/ removing the burnt coils / winding from stator, (ii) Cleaning the slots carefully, (iii) Rewinding the stator using super enamelled copper conductor wire with same size, number of coils, number of turns / coils as per data acquired from the old burnt motor, including varnishing of two coats, drying using electric furnace, (iv) Testing the coils for there continuity and no current passing through the stator core, (v) Dynamic testing of the rotor and alignment of the main shaft and ensure that no imbalance vibtrations, (vi) Re-assembling the rotor and connecting the end terminals to the terminal plate of the motor, closing the ends with side covers. (vii) Testing and commissioing the electric motor connecting to the electric supply to its full load by connecting the compressor, (viii) Renewal of Bolts, nuts and washers for motors of following size - Note :- Parts renewed i.e Ball bearing shall be measured and paid separately. However filling of grease and oiling extra shall be deemed to be included in Unit rates.

All as above item No. 6.00 but Motor of 5.0 HP

All as above item No. 6.00 but Motor 14.75 HP

All as above item No. 6.00 but Motor 20 HP

All as above item No. 6.00 but Motor 30 HP

Dismantling existing Monoblock pump with motor 3 HP to 14.75 HP, 3 Phase, 415 Volts, servicing of pump and motor by opening of pump, machining of pump shaft, renewal of gaskets, gland packing, Gun metal bushes, greasing of bearing complete all as specified. Note:- Ball bearing renewed and motor winding shall only be measured and paid separately.

Taking out unserviceable pipe, Supply and fixing Mild Steel pipe 80mm dia connecting, welding, smoothing and making leak proof all as per site requirment and as directed by Engr-in-Charge including testing complete. Make-Jindal/Swastik/Tata

S&F for application and testing of external thermal insulation of Class "O" (conforming to BS 476 Part 7) on ducts/pipes with not less than 25mm thick nitrile rubber having density of 32 Kg/cum and having thermal conductivity not exceeding 0.035 W/mK at an average temperature of 40o Centigrade complete all to the satisfaction of Engr-in-Charge.

M&L for duct insulation with 50 mm thick resin bonded fibre glass wool roll of density 24 Kg/Cum, with factory laminated aluminium vapour barrier 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, fust, grease and the foreign materials, taking special care so that all duct joint 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, 50mm wide, to make the insulation leak proof. (d) M&L for securing the insulation with and including mechanically fastened nylon/steel straps of size 12mm/50mm at maximum intervals of 1.2 mtr.

Complete removing of paint from old painted surfaces of steel and preparation of steel surfaces of AC plant 3x39 TR complete including all pipe lines, condensers, pumps, motors, panels, etc. of any dia or size and including application of two coats of synthetic enamel high glow paint 1st grade make Berger over a coat of red oxide primer by spray painting of existing colour including writing down the MES No./SM No. while taking necessary steps to stop spreading of paint on manufacturers stickers and plates complete all as specified and directed to the complete satisfaction of Engr-in-Charge.

Complete removing of paint from old painted surfaces of steel and preparation of steel surfaces of AC plant cooling tower of 3 x30 TR complete including all pipe lines of any dia or size with accessories, and applying two coasts of synthetic enamel paint over a coat of red oxide primer by spray painting to protect extra spreading paint from manufacturers stickers and plates complete all as specified and directed.

M&L for dismantling blower shaft of AHU upto 117 TR by removing the belt and pulley, blower drum, dismantling the shaft and carrying out the necessary jobs like welding, turning, grinding, etc. to have it's original dimension including balancing of the shaft and refitting it in AHU and including reassembling the blower, pulley, etc with new bearing of existing size, testing and commissioning the AHU for satisfactory operation complete all as specified and as directed. NOTE - Bearing to be replaced will be paid and measured under the relevant item of this schedule.

M&L for dismantling blower shaft of AHU upto 90 TR by removing the belt and pulley, blower drum, dismantling the shaft and carrying out the necessary jobs like welding, turning, grinding, etc. to have it's original dimension including balancing of the shaft and refitting it in AHU and including reassembling the blower, pulley, etc with new bearing of existing size, testing and commissioning the AHU for satisfactory operation complete all as specified and as directed. NOTE - Bearing to be replaced will be paid and measured under the relevant item of this schedule.

Removing of Alpha filters from their positions and laying out the filters at site for refixing after cleaning them including cleaning of AHU cooling coil using chemical with brass brush in-order to remove all type of sludge/dust precipitated on the coil and filter without any damage to the copper cooling coil and then washing the cooling coil with fresh water and then air blowing the same to the complete satisfaction of Engr-in-Charge. Cooling coil drain water line shall be clean, if any type of obstacle is there in the flow of water, iron body of the AHU inside and outside shall be scrapped down and rubbed out with sand paper including applying one coat primer over a coat of synthetic enamel paint including part of duct portion in the AHU all to the complete satisfaction of Engr-in-Charge.

M&L for Repair to compressor of 3x39 TR AC plant by carrying out Dismantling, taking down of compressor 39 TR. Make : VOLTAS from foundation and opening by unscrewing for locating the of fault and transportation from AC plant to local market Ambala/ Chandigarh and back. Re-fixing in original state after carrying out necessary repairs and testing commissoning on load all as specified and directed.

M &L for Replacement of suction and discharge reeds - 01 set (08 Nos) for Item N0 20.00 above

M&L for Replacement of suction & discharge valves-01 set for Item N0 20.00 above

M&L for Replacement of piston and ring- 04 Nos. for Item N0 20.00 above

M & L for Replacement of gudgeon pin-01 set for Item N0 20.00 above

M & L for Replacement of gasket set- 01 set for Item N0 20.00 above

M & L for Replacement of shaft seal assembly-03 set for Item N0 20.00 above

M &L for Replacement of 'O' ring -01 set for Item N0 20.00 above

M & L for Replacement of worn out main bearing as per sample- 01 No for Item N0 20.00 above

M&L for Repair to compressor of 3x30 TR AC plant by carrying out Dismantling, taking down of compressor 30 TR. Make : VOLTAS from foundation and opening by unscrewing for locating the of fault and transportation from AC plant to local market Ambala/ Chandigarh and back. Re-fixing in original state after carrying out necessary repairs and testing commissoning on load all as specified and directed.

M &L for Replacement of suction and discharge reeds - 01 set (08 Nos) for Item N0 29.00 above

M&L for Replacement of piston and ring- 04 Nos.for Item N0 29.00 above

M & L for Replacement of gudgeon pin-01 set for Item N0 29.00 above

M & L for Replacement of gasket set- 01 setfor Item N0 29.00 above

M & L for Replacement of shaft seal assembly-03 set for Item N0 29.00 above

M &L for Replacement of 'O' ring -01 set for Item N0 29.00 above

M & L for Replacement of worn out main bearing as per sample- 01 No for Item N0 29.00 above

M&L for fabrication, supplying, fixing and commissioning of informatory boards at E/M installation to display the technical details as provided by Engr-in-Charge of various installtions made out of 3 mm thick aluminium composite panel (ACP) fully covered with white/green/blue (as directed) Retro refective sheeting of nikkalite Brand Ultralite (UL) grade with using pressure sensitive adhesive and Retro Reflective cut out border and message in the sensitive adhesive, size of the board of required size to be fixed on wall incl proper fixing arrangement complete all as specified and directed. Note :- (a) Before fabriction of the board, the contractor has to produce a paper printout detailing all dimensions and matter to be displayed so as to get it inspected and passed by Engr-in-Charge. (b) Matter to be displayed, colour of the ACP sheet and colour of Retro Reflective sheet will be as specified and directed by Engr-in-Charge. (c) The quoted rate is deemed to be inclusive of cost of the labour and materials required for fixing of the informatory board at the location as specified and Engr-in-Charge.Electronic schematic diagram alongwith design condition (Temp and Humidity) of AC plant to be displayed in the plant room all as specified and directed.

M&L for Marking on all chiller & condenser pipes with colour code at flow of fluids/gas on Chillar plant/pipes all as specified and directed.

M&L for Cleaning to remove any scales, dust particles, grease, oil marks etc. of AC plant compressor motor 7.5 HP-04 Nos, mono block pumping set 2 HP-02 Nos, water chiller motor 7.5 HP- 04 Nos, cooling tower motor 3.7 HP -02 No, blower motor 14.75 HP-03 Nos and blower shaft with two pairs of bearing -03 Nos with a cleaning agent like HIGH WAX POLISH of Make ASTRAL complete all as specified and directed.

M&L for Pressure testing of entire system of AC plant comprising of three set of condenser, compressor and circulating system with CO2/Nitrogen gas and retain the gas in the system for three days. After three days checking the system to check for any leakage or reduction in the scale of pressure. If any leakage(s) is (are) found, it(they) shall be located and arrested by soldering or by taking an appropriate measure(s) to stop the leakage permenantly.

Dismantling inlet & outlet connection of water pipe lines, wiremesh all-around the cooling tower, PVC fins, CT fan and motor, PVC water storage tank and incoming connection of electric supply and other related items all as per site requirement complete.

Cleaning the cooling tower by scraping with wire brush, washing powder and other solvent by removing the deposited impurities such as silt, dust particles mud/sand inside the dome and around the fins, on wiremesh, main shaft, etc and other connected items all as specified and directed by Engineer-in-Charge.

S&F in replacement fresh air ventilator made out of grill and angle iron frame with louvers on AHU without any damage to the existing wall and finishing the surfaces to match with existing one, complete all as specified and directed by Engr-in-Charge.

Servicing and maintenance of Rapid cool cap 63 KW Hot water generator (total- 1 Nos) complete by opening the existing assy and draining out complete water including cleaning of the connected components like container, checking of serviceability of heating element, pressure gauge, etc. and reassembling and testing the same after replacemen of unserviceable spares all as specified and as directed. NOTE - Spares to be replaced will be measured and paid separately under the relavant items of this schedule.

Supply and Fix heating element of 7 K Watt

Supply and Fix timer and other connected accessories.-01set

Supply and Fix thermostat - 01No

Taking out the defective dehumidification pump set alongwith motor from the AHU ( CSU Type) by disconnecting electrically and mechanically, shifting to civil workshop, dismantling the same to remove burnt out windings and defective parts, rewinding the motor with super enemelled copper winding wire including all insulating materials all as per existing, varnishing,drying etc complete and replacing the bearings,bushes as per existing size replacing the pump impeller, reassembling the same shifting to original site, reconnecting electrically and mechanically and testing for proper working complete all as specified and directed for the 0.50 HP 230 volts SP 2780 RPM.

Taking out Hot water generator pump set alongwith motor by disconnecting electrically and mechanically, shifting to civil workshop, dismantling the same to remove burnt out windings and defective parts, rewinding the motor with super enemelled copper winding wire including all insulating materials all as per existing, varnishing,drying etc complete and replacing the bearings,bushes as per existing size replacing the pump impeller, reassembling the same shifting to original site, reconnecting electrically and mechanically and testing for proper working complete all as specified and directed for the 2 HP 230 volts complete all as directed by Engr-in-charge.

Taking down unserviceable AC duct and Supply ,fabricating, assembly and erection of galvanised sheet of 24 gauge 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 seal to make leake proof and on longitudinal joints etc complete all as directed by Engr-in-charge.

Supply & fix water pressure gauge 0-150 Kg/sq cm suitable for fixing with 100 mm dia water circulating inlet & out let pipe by means of proper welding and connection with checking the running water pressure as per specification all as directed by engineer in charge. Make H Guru or equivalent of approved make complete all as specified and directed.

M&L for replacement of water temp gauge dial type 0-120 degree F make H Guru or equivalent of approved make complete all as specified and directed

Supply and fix flexible rubber coupling for 30TR compressor & 40HP elecric motor, 415volts, 3 phase of existing specification complete all as specified and directed by Engr-in-Charge, model no TC/3902 Make Unique.

Supply & fix CT rating 200/5 amps, 415 volts of existing specification and make including taking down complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement ON/OFF Push button switch with two push buttons of existing specification complete all as specified and directed by Engr-in-Charge. Make:L&T/GE/SIEMENS.

Replacement to pre- filter, pleated EU4/G4 type, GI frame, media-non wooen synthetic media + alluminium jalli, efficiency 90% down to 10 Micron size 590mm x 590mm x 50mm for central AC plant AHU in case of worn out U/S filter component at the descreation of Engr-in-Charge, tendered will replace the said filter with new one without any price adjustment complete all as specified and directed by Engr-in-Charge.

Replacement to pre filter, pleated EU4/G4 type, GI frame, media-non wooen synthetic media + alluminium jalli, efficiency 90% down to 10 Micron size 590mm x 290mm x 50mm for central AC plant AHU in case of worn out U/S filter component at the descreation of Engr-in-Charge, tendered will replace the said filter with new one without any price adjustment complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement indicator holder copmplete with lamps for RYB phase, 415 volts, 50 HZ AC complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement Electronic sensor suitable for 39 TR compressor unit (for chiller & condenser unit) of existing specifications and make complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of microprocessor elactronic control card chiller PCB suitable for 39 TR Scroll chiller Cat part No EACOZ0060 of existing specifications and make complete all as specified and directed by Engr-in-Charge.

S&F (in repairs) thermostatic expansion valve of 3x39 TR working on R-22( Ecofriendly) suitable for 1x39 TR AC plant ( Make - Blue Star) including collecting the refrigerent in the empty cylinders arranged by Contractor at his own resources by any means , cutting, welding, brazing, renewal of gasket, nuts, bolts and washers etc. complete all as specified and directed.by Engr-in-Charge.

S&F (in repairs) thermostatic expansion valve of 3x30 TR working on R-22( Ecofriendly) suitable for 1x30 TR AC plant ( Make - Voltas ) including collecting the refrigerent in the empty cylinders arranged by Contractor at his own resources by any means , cutting, welding, brazing, renewal of gasket, nuts, bolts and washers etc. complete all as specified and directed.by Engr-in-Charge.

Renewal of High pressure and low pressure control (HP&LP) switch suitable for water Cooled central type AC unit as per sample complete all as specified and directed.by Engr-in-Charge.

Supply and fix in repair Thermometer 0-60 Degree centrigrade suitable for fixing with 100 mm dia water circulating pipe by means of proper welding and connection with checking the running water temperature as per specification all as directed.by Engr-in-Charge.

M&L for digital type electronic temperature meter sensing the temperature from in side the user room and display on outside the AHU including wiring for sensing cable in case and copping, complete all as specified and directed.

Supply and fix in repair suction pressure sensor suitable for 3x 39 TR AC plant Make: Blue star,

Supply and fix in repair suction pressure sensor suitable for 3x 30 TR AC plant Make: Voltas

Supply and fix in repair discharge pressure sensor suitable for3x 39 TR AC plant Make: Blue star,

Supply and fix in repair discharge pressure sensor suitable for3x 30TR AC plant Make: Voltas

Supply and fix in repair oil pressure sensor suitable for 3x 30 TR AC plant Make: Blue star,

Supply and fix in repair oil pressure sensor suitable for 3x 39 TR AC plant Make: Voltas

S&F air flow switch suitable for Central/ package type AC plants complete all as specified.

S&Fanti freeze switch suitable for Central/ package type AC plants complete all as specified.

M&L for replacement of water flow switch type, IPS industrial pressure switch complete all as specified and directed. make : INDFOSS or equivalent as approved.

S&F in repair single phase preventer 230 Volts. Make : L&T/Siemens/Minilec/Havells/ABB/C&S

Taking down old unsv fins/cells of cooling tower and supply and fix PVC fins(honey comb) suitable for fiber glass cooling tower complete suitable for 100TR of AC plant including taking down old unsv.

M&L PVC eliminator from colling tower of capacity 3x39 TR complete all as specified and directed by Engr-in-Charge.

M&L PVC eliminator from colling tower of capacity 3x30 TR complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement air release valve of gun metal 15 mm dia of existing specification and make complete all as specified and as directed by Engr-in-Charge.

Supply and fix in replacement butterfly valve with handle made out of brass/gun metal of 80 mm dia of existing specification and make complete all as specified and as directed by Engr-in-Charge. Make : LEADER/SANT

Supply and fix in replacement butterfly valve with handle made out of brass/gun metal of 50 mm dia of existing specification and make complete all as specified and as directed by Engr-in-Charge. Make : LEADER/SANT

Supply and fix in replacement dryer for liquid line 5/8'' Sutaible for 39 TR compressor complete all as specified and as directed by Engr-in-Charge. Make : DANFOSS/Elofic

Supply and fix Gate valve 40mm dia made of gun metal including taking down old complete all as specified and directed by Engr-in-Charge Make:- LEADER/Sant

Complete removing of paint from old painted surfaces of steel and preparation of steel surfaces of AC plant cooling tower of 100 TR complete including all pipe lines of any dia or size with accessories, and applying two coasts of synthetic enamel paint over a coat of red oxide primer by spray painting to protect extra spreading paint from manufacturers stickers and plates complete all as specified and directed.

S&F First Aid chart with clear glass cover & wooden frame complete all as specified and directed and as per sample.

Materials and labour for fabrication,supply and errection of bakelite flex display boards made out of MS square pipe frame of size 20mmX20mm cover all 4 sides covered with powder coated CRCA sheet & back side covered by galvanised sheet of 24 guage. Front open box type with front side covered by flex board bakelite with digital printed letters and figures as requred The board shall be cubical type with screw fittings for opening and closing front side for maintenances. using MS channel for beading including inside electrical wiring comlete with LED T/L Fitting 20 Watt as directed with starter, electronic ballast switches and necessary fixing arrangement, Size of the board 6 feet X3 feet X 8 inches with 4 Nos flourescent as per the site requirement on roof, wall etc all as directed by Engr-in - Charge.

Supply and fix in replacement solinoid coil suitable for 3x30 TR compressor complete all as specified and directed by Engr-in-Charge. Make : Alcho/Danfoss or as per existing.

Supply and fix in replacement solinoid coil suitable for 3x39TR compressor complete all as specified and directed by Engr-in-Charge. Make : Alcho/Danfoss or as per existing.

Taking out unserviceable servo auto manual voltage stabiliser and transporting at work shop, opening of Voltage stabiliser of capacity 200/250KVA and repair / replacement of unserviceable spare parts such as PCB/servo card, voltmeter 500v : 96mm-02Nos, 300V:72mm-03Nos,Three phase control panel -01No, Carbom bruses -12Nos, Variac coil 200Amps, control transformer (CT) -02Nos, reinstalling at its original position after repair complete servicing and testing all as directed by Engr-in-Charge.

M&L for filteration / dehydration of transformer oil at site so as to achieve diaelectric strengh not less than 30kv when tested at 4mm air gap.

Supply and filling transformer oil of diaelectric strengh not less than 30KV in topping up level of voltage stabiliser.

M&L for rewinding of main auto manual servo voltage stabilizer of 200/250KVA capacity with super enamel copper winding wire of existing grade and size including replacement of allied insulation material of appropriate insulation class. Assebling, connecting and testing complete all as directed by Engr-In-Charge.

M&L for cleaning of voltage stabilizer body with cleaning agent carefully of capaciity 200/250KVA installed on platform and painting two coats of synethtic enamel paint of approved makes all as directed by Engr-In-Charge.

S&F MNX32 type power Contactor, 3 pole, 415 V, 50Hz, with auxulary Contact 2 NO+2NC suitable for Non-Inductive or Slightly Inductive ,Resistive Load (AC1- 40 Amps rating with the existing complete all as specified.

S&F MNX12.5 type power Contactor, 3 pole, 415 V, 50Hz, with auxulary Contact 2 NO+2NC suitable for Non-Inductive or Slightly Inductive ,Resistive Load (AC1- 40 Amps rating with the existing complete all as specified.

S&F replacement by fixing of control Voltage contactor mechanical interlocks horizontal mounted & configuration 415 V, 50HZ, AC 1NO+1NC suitable for water cooled chiller Control penal AC Coil controler make :- Siemens/L&T, all as specified and directed by engineer in charge.

Supply and fix in repair 3 pole power contactor rated current AC1 32A and AC3 32 A with auxiliary contact block, 3 phase 415 volts, with coil voltage 220 volts complete all as directed. Make : Siemens/L&T/Schenider/Legrand/ABB/C&S

Supply and fix in replacement contactor MNX-18A-3phase, 415volts, 50Hz, AC of existing specification complete all as specified and as directed by Engr-in-Charge. Make : L & T Cat no CS94100 or equivalent in GE/SIEMENS/

Supply and fixing front mounting add-on-aux control block MNX/MCX 9-80, MCX 01-23 CS 94114 of L&T or eq

Supply and fixing motor protection circuit braker (MPCB) rotary type with over load + short corcuit protection rating 13 Amps cat No ST419140000 of L&T or eq

Supply and fix in repair Over load relay Typ MN-2 range 9 Amp to 15 Amp complete all as directed. Make L&T or equivalent/Siemens/Schenider/Legrand/ABB/C&S

Supply and fix in repair Over load relay Typ MN-2 range 3 Amp to 5 Amp complete all as directed. Make L&T or equivalent/Siemens/Schenider/Legrand/ABB/C&S

Supply and fix in replacement thermal magnetic adjustable type thermal magnetic adjustable type MCCB 63 Amps, FP, 25 KA, 415 volts including 2 sets of OEM provided extenders and separators and making all connections complete all as directed. Make L&T/Seimens/ ABB/Schenider

Supply and fix in replacement thermal magnetic adjustable type MCCB 160 Amps, FP, 25 KA, 415 volts including 2 sets of OEM provided extenders and separators and making all connections complete all as directed. Make L&T/Seimens/ ABB/Schenider

Supply and fix in replacement thermal magnetic adjustable type MCCB 200 Amps, FP, 36 KA, 415 volts including 2 sets of OEM provided extenders and separators and making all connections complete all as directed. Make L&T/Seimens/ ABB/Schenider

Supply and fix in replacement thermal magnetic adjustable type MCCB 250 Amps, FP, 36 KA, 415 volts including 2 sets of OEM provided extenders and separators and making all connections complete all as directed. Make L&T/Seimens/ ABB/Schenider

S & F MCB TPN 32 Amps, 415 volts 'C' Curve 10 KA, including connection with suitable size copper lugs complete fixed in repair all as directed. Make :- Legrand/ABB/Schneider/L&T

Supply and fix in repair MCB TPN 63 Amps , C curve complete all as directed. Make: ABB/Legrand/L&T

Supply and fix in repair MCB TPN 6-32 Amps , C curve complete all as directed. Make: ABB/Legrand/L&T

Supply and fix in repair MCB TP 6-32 Amps , C curve complete all as directed. Make: ABB/Legrand/L&T

Supply, installation, pressure testing, nitrogen flushing, commissing, gas Charging for 39 TR scroll chiller all as specified and directed by Engr-in-Charge.

Material and labour for installation of 13 TR hermitically sealed scroll type compressor in replacement with power supply 400-460 Volts, 3phase, 50 Hz AC R-22 refrigerant gas compatible fitted with of all safety devices like suction check & service valve, pressure relief valve (if required), optical level sensor, integeral high efficiency oil seperator, integeral lubrication system, etc all as specified and directed by Engr-in-Charge. As compatible with existing AC unit installed at site. Note - Quoted rate is deemed to be inclusive of cost of initial oil charge & cost of all spares required for satisfactory installation, testing & running of the compressor at site.

M&L for supplying, installing & testing in replacement of shell and tube type water cooled condenser unit with detachable flanged ends complete with safety & puege valves, cleanable & removable integral fin copper tubes, latest relevant ASME code specified designed vessel, removable water head, drain & vent plugs, sensing device all as per OEM suitable for 39 TR hermitically sealed scroll compressors all as specified and directed by Engr -in-charge. Note :- Cost of all spares & jobs (to be carried out at the site/workshop) for proper & efficient functioning of the unit is deemed to be included in the quoted rate.

Supply & fix CT rating 200/5 amps, 415 volts of existing specification and make including taking down complete all as specified and directed by Engr-in-Charge

Supply and Fixing in replacement of intelligent microprocessor based control panel in replacement which is suitable for 39 TR AC plant complete with all connected items as per recommended by OEM of AC unit all as specified and directed by Engr -in-charge. Note :- Cost of all spares & jobs (to be carried out at the site/workshop) for proper & efficient functioning of the unit is deemed to be included in the quoted rate.

M&L in replacement for rewiring of control panel to existing LT panel, condenser relays, compressor relays and all other ac plant devices for smooth fuctioning of AC plant with unarmoured multicore copper cable, 1.1 KV all as specified and directed by Engr-in-Charge. Note :- Cost of all spares & jobs (to be carried out at the site/workshop) for proper & efficient functioning of the unit is deemed to be included in the quoted rate.

Advance Enterprises