COMPREHENSIVE MAINT, REPAIRS TO VARIOUS AC PLANTS, AT MH UNDER GE (EAST) JALANDHAR CANTT

Amount

Material and labour for de-scaling of condenser unit/evaporator unit (Water cooled type) 50 TR central type AC plant unit with copper tubes by removing nuts & bolts of side cover plates, water connection and filling up of de-scaling chemical in condenser and manually cleaning of copper tubes with using long Nylon brush of superior quality, iron rod for removing of complete scaling from tubes and water circulation through condenser including replacement of rubber gasket, tightening side cover plates with nut, bolts and making necessary connections complete all as specified and as directed. (OT AC Plant in MH)

M&L for servicing of Air handling unit 5000/8000 CFM of central AC plant by removing filters, assembling filters and testing for the following parts. (a) Inspect filters, removing and cleaning by using vaccum cleaner, blower and refixing the same. (b) Clean cooling coil, fins by using caustic soda and water pressure method and applying Grease for all motors, check and adjust belt tension if required, check condition of blower shaft, impeller and bearings, tightening of all electrical terminations, clean water line strainers, check proper balancing system , check for noise and vibration. (c) Check healthy operation of controls and safety devices.

M&L for servicing of compressor unit 50TR capacity of central AC plant by removing filters, assembling filters and testing for the following parts. (a) Inspect filters, removing and cleaning by using vaccum cleaner, air blower and refixing the same. (b) Inspect solenoid valves, pressure sensors. (c) Check healthy operation of controls and safety devices.

Taking down the old discharge/suction/oil pressure sensor and Supply and fix new discharge pressure sensor testing and commissioning 0-25 bar, output 4-20 mA with connection nipple as per site req. for existing 50 TR compressor of make VOLTAS Make of Sensor :- DANFOSS/ SIEMENS/ SCHNEIDER/ ABB/ HITACHI/ ROCKWELL

Taking down the old oil filter and supply and fix new oil filter, testing and commissioning for 50 TR compressor make VOLTAS of central AC plant unit.

Taking down the old liquid line filter and supply and fix new liquid line filter, testing and commissioning for 50 TR chiller unit of Make VOLTAS.

Taking down the old safety valve and supply and fix new safety valve and replacement of gasket, testing and commissioning for 50 TR chiller unit of make VOLTAS.

Taking down the old solenoid valve and supply and fix new solenoid valve, operating voltage as per existing, testing and commissioning for 50 TR chiller unit of make VOLTAS.

Taking down the old copper coil of solenoid valve and supply and fix new copper coil, operating voltage, testing and commissioning for 50 TR chiller unit of make VOLTAS..

Taking down the old suction filter and supply and fix new suction filter, testing and commissioning for 50 TR chiller unit of make VOLTAS.

Taking down the old sensor and supply and fix new chilled water sensor, testing and commissioning for 50 TR chiller unit of make VOLTAS.

Supply and fixing in replacement thermostat thermal expansion valve suitable for central water cooled chiller type AC plant unit 50 TR of make VOLTAS capacity complete all as specified and directed. Make:- Sporlan/ Danfoss/ Renutrol/ DANFOSS or equivalent

Supply and filling in fresh compressor oil N-68 for compressor of AC plant of various capacities to ensure the development of required oil pressure complete all as specified or as directed by Engineer-in-Charge.Make :- Indian oil/ Bharat Petroleum/ Servo or equivalent Note :- Compressor oil shall be supplied in company sealed containers only.

Supply and fixing in replacement compressor shaft oil seal of 50 TR Voltas make compressor unit . Make-Voltas or equivalent.

Servicing of cooling tower of capacity 100 TR plant by replacement of blocked/broken nozzles, checking of Cooling tower fan and motor, cleaning, descaling of complete fins including replacement of broken fin, cleaning water tray, valves, piping etc and testing complete all as specified and as directed.

Supply and fix in replacement Finned strip heater made of GP sheathing having terminals at one end and two holes for horizontal installation of capacity 3 KW in Air Conditioning plant installed at various locations complete all as specified or as directed. Make:- Daspass/Lazer/Usha/ Bajaj or equivalent.

S&F Pre filter 100% washable synthetic non woven supported by aluminium mesh on one side & HDPE mesh on other side of size 610x305x50mm having dust filtration level 5 micron 95% efficiency as per existing type, make and size complete all as specified and as directed.

S&F Pre filter 100% washable synthetic non woven supported by aluminium mesh on one side & HDPE mesh on other side of size 610x610x50mm having dust filtration level 5 micron 95% efficiency as per existing type, make and size complete all as specified and as directed.

S&F Pre filter 100% washable synthetic non woven supported by aluminium mesh on one side & HDPE mesh on other side of size 450 x 510 x 50mm having dust filtration level 5 micron 95% efficiency as per existing type, make and size complete all as specified and as directed.

S&F Pre filter 100% washable synthetic non woven supported by aluminium mesh on one side & HDPE mesh on other side of size 420 x 510 x 50mm having dust filtration level 5 micron 95% efficiency as per existing type, make and size complete all as specified and as directed.

S&F HEPA (High-Efficiency Particulate Air) filter of size 24" x 24" x 12" constructed with galvanised steel frames box type having dust filtration level 0.3 micron 99% efficiency as per existing type, make and size complete all as specified and as directed. Make for srl item No. 17 to 21 : Mechmaark/Spectrum/American Air filters

Design, Supply, installation, testing and commissioning of factory built, weather proof, floor mounted double skin chilled water type, Air handling unit (AHU) Cabinet Type, with Filters having Air handling cap 6500 CFM , SP 125mm wg complete with specifications and capacities as under :- (a) Panel Construction and Casing. (b) Frame: Thermal break aluminium profile with thermal barrier with 25 mm thick panels. Frame should be assembled using glass fibre reinforced nylon joints/ corner. (c) Panel: Panel shall be double construction, CFC free PUF insulation panel 25+2mm thick having density 40 ± 2 Kg/M3. factory injected by injection moulding machine. Outer skin-----0.8 mm thick pre coated GI sheet. Inner skin ----0.8 mm thick plain GI sheet. (d) AHU shall have Water Tight Positive Pressure access/ service door duly interlocked with fan. AHU shall have Thermally insulated totally sealed glass inspection window. Door shall be removable/ hinged type, (hinged shall be casted powder coated zinc alloy}. Flush Lock and Handle shall be of glass fiber reinforced polyamide . Inspection lamp with limit switch . (e) Base Frame : Base frame made of G.S.S. (f) The dampers shall be made of low leakage Aerofoil design in Aluminium Anodised.

(g) Filter Section : Filter section with 50 mm thick box type pre- filter (MERV-8), suitable thickness microvee filter mounted on a common filter frame . Pre filters shall have efficiency 90% down to 10 micron and fine filters having efficiency 95% down to 5 micron to be installed in AHU and 305 mm thick HEPA filter having efficiency 99.9% down to 0.3 micron installed in discharge section Make : Mechmaark/ Spectrum/ American Airfilters. Note:- The thickness of filters may be varied as per company design,if tedchnically supported and approved by Deptt to ensure proper accommodation of AHU in existing space. (h) COIL SECTION : Cooling coil having min 8 Rows Deep (Less/More No of rows as per design to meet TR cap (05 word/ OT), if reqd), copper tubes of suitable dia with thickness not less than 0.5 mm as per OEM recommendations, with aluminium fins & Drain pan. The Drain Pan material shall be SS-304 and drain Pan thickness 20 gauge duly insulated with 13mm closed cell Nitrile insulation for drain tray. (j) FAN SECTION : (i) Blower Section with blower DIDW backward curved centrifugal fan with suitable capacity T.E.F.C motor. (ii) Fan shall be dynamically trim (Two stage) balanced to ISO1940 and AMCA 204/3 - G2.5 quality grade after assembly. (iii) Fan Impeller should be made of Cold Rolled sheet steel polyester powder coating, Fan Inlet Cone must be Spurn GSS having GSM 220, zero sprangle . (iv) Fan assembly should be mounted on Cushy foot mounted Vibration isolator. Make of Cushy foot mountains : Kruger/ Vibrosolve Make of Fan : Nicotra/Kruger/Greenheck. Make of Motor : Siemens/Bharat Bijlee/Havells/ ABB/ CG Make of AHU :- Edgetech/ M/s system Air/ Citizen/ Zeco Bahadurgarh.

Dismantling and taking out old AHU of capacity 5000 CFM and deposit to store yard or taking to credit complete all as specified and directed.

Servicing/Maintenance of packaged type AC of capacity 2 x 5.50 TR / 2 x 11TR such as cleaning of fine filter with water, checking Gas pressure and check for any gas leakage, cleaning of condensing coil & cooling coil with water for better performance of AC plant, cleaning and greasing of condensing blower motor, AHU blower motor and booster blower motor, cleaning of condensers unit, checking & tightening of all electrical connections complete all as directed. Note: The servicing of One complete AC plant consisting of two units of same cap shall be measured as One UNIT.

Servicing/Maintenance of packaged type AC of capacity 2 x 15 TR / 3 x 15 TR / 3 x 22 TR such as cleaning of fine filter with water, checking Gas pressure and check for any gas leakage, cleaning of condensing coil & cooling coil with water for better performance of AC plant, cleaning and greasing of condensing blower motor, AHU blower motor and booster blower motor, cleaning of condensers unit, checking & tightening of all electrical connections and testing for satisfactory functioning complete all as directed. Note: The servicing of One complete AC plant consisting of two/ three units of same cap shall be measured as One UNIT.

Servicing/Maintenance of walk-in cooler of capacity 9000 ltr with PUF panel cabin such as checking Gas pressure and for any gas leakage, cleaning of condensing coil with water for better performance of cold store, cleaning and greasing of condensing blower motor, cooling fan motors, Cleaning and washing of complete indoor and outdoor unit and PUF cabin, cleaning of condensers unit, checking tightening of all electrical connections and testing for satisfactory functioning complete all as directed.

Servicing/Maintenance of Cold store unit of capacity 2x5.5 TR / 8.5 TR such as checking Gas pressure and gas leakage, cleaning of condensing coil with water for better performance of cold store, cleaning and greasing of condensing blower motor, cooling fan motor, cleaning of condensers unit, checking tightening of all electrical connections and testing for satisfactory functioning complete all as directed. Note: The servicing of One complete AC plant consisting shall be measured as One UNIT.

Preparation of old painted surfaces of AC plant central type of capacity 3 x 50 TR including all motors, condensers, pumps, MS Pipes of various sizes, cooling tower painting with super enameled paint of approved colour & superior quality with spray gun two coats incl preparation of surfaces and scraping old paint, filling cavities incl marking directional arrows for flow identification complete all as specified and as directed.

M&L for Replacement of PVC honey comb fills of size 600 x 300 x 150mm min made of PVC sheet 0.2mm min for cooling Tower 100 TR of central type AC plant all as specified and directed.

M&L for disconnecting electric motor 7.5 HP, taking down and transporting to workshop, dismantling the same and taking out rotor assembly removing burnt winding coil of stator, cleaning the complete stator and rotor with carbon tetra chloride solution, rewinding the stator coil with super enameled copper conductor of proper size/gauge as per existing, inserting the new re-winded coils of stator duly varnished and insulated with superior quality insulation material, replacement of old connection lead with superior quality PVC copper cable with stranded copper conductor from motor to connection plate, replacement of ball bearing, reassembling the motor, shifting to work site and connecting with the system, testing on full load complete all as specified and as directed by Engineer-in-Charge.

All as per srl item No 30 above but of 5 HP electric motor.

All as per srl item No 30 above but of 3 HP electric motor.

M&L for disconnecting electric motor 250 to 500 watt, single phase incl taking down and transporting to workshop, dismantling the same and taking out rotor assembly removing burnt winding coil of stator, cleaning the complete stator and rotor with carbon tetra chloride solution, rewinding the stator coil with super enameled copper conductor of proper size/gauge as per existing, inserting the new re-winded coils of stator duly varnished and insulated with superior quality insulation material, replacement of old connection lead with superior quality PVC copper cable with stranded copper conductor from motor to connection plate, cleaning/ oiling of ball bearing, reassembling the motor, shifting to work site and connecting with the system, testing on full load complete all as specified and as directed by Engineer-in-Charge.

Repair/ maint by Dismantling the mono block pump set with motor any make, 7.5 HP capacity, servicing by cleaning, lubricating and by replacing of ball bearing, gland bolt, nut and washers, terminal connector, machining of shaft, gasket, gland rope, mounting bolts, reassembling, refixing with bed and testing.

Taking down blower with motor of AHU/Package type AC any capacity, repair by cleaning , lubricating , filling of metal, machining/ grinding of shaft to match size, replacement of ball bearing, mounting bolts, reassembling and testing complete.

Taking down condensor fan motor of capacity 250W to 500W from outdoor condensor unit of any capacity, repair by cleaning , lubricating , filling of metal on shaft & machining of shaft, replacement of ball bearing mounting bolts, reassembling and testing complete.

M&L for replacement of Fan blade of condensor fan motor of of capacity 250W to 500W as per existing size all as specified and directed.

M & L Check for any refrigerant leaks through flare joints, valve glands or any of the loc in refrigerant system with help of leak detector device, soap solution,halide torch or electronic leak detector and arresting leakages including necessary welding, brazing works binding with teflon tape as required at site and topping up the gas for required suction & discharge pressure for 50 TR central type AC Plant. Note : Refrigerant shall be measured and paid seperately.

Material and labour for charging Nitrogen Gas in 50 TR capacity chiller unit of central AC plant maintaining pressure 350 Psi for checking of Gas leakage and removing water vapour choked in line, flushing out the complete system including gas leakage and detection with halide torch/ soap foam solution in system including gas welding flushing and making good the pipe line to make the system leak proof, vaccumising the plant by using vaccum pump up to (-) 30 PSIG pressure and hold the same under vaccum pressure upto 24 hours & gas charging complete all as specified and as directed. Note : Refrigerant shall be measured and paid seperately.

M&L for Over voltage, undervoltage protection relay complete of make L&T/ GIC/ Siemens/ Minilec/ Schneider/ C&S complete.

Supply and charging refrigerant Gas R-22 for AC plant of various capacities including maintaining proper pressure after filling of refrigerant Gas for proper functioning of plant complete all as specified or as directed by Engineer-in-Charge.

Supply and charging refrigerant Gas R-407 for AC plant of various capacities including maintaining proper pressure after filling of refrigerant Gas for proper functioning of plant complete all as specified or as directed by Engineer-in-Charge.

Supply and charging refrigerant Gas R-410 for AC plant of various capacities including maintaining proper pressure after filling of refrigerant Gas for proper functioning of plant complete all as specified or as directed by Engineer-in-Charge.

Supply, install, testing and commisioning of microprocessor type Chiller control unit with display board complete set suitable for 50 TR water chiller unit of central type AC plant make VOLTAS as per existing pattern for making plant functioning satisfactory incl all connections complete all as directed. Make : Softhard or equivalent as approved by GE.

Supply, install, testing and commisioning of Package type AC microprocessr type control unit with display board complete set suitable for 15 TR / 22 TR multi-unit package AC plant as per existing pattern for making plant functioning satisfactory incl all connections complete all as directed. Make : Softhard or equivalent as approved by GE.

Supply and fixing in replacement Water pressure gauge 4” dia, range 0 to 100 Psi complete all as specified or as directed by Engineer-in-Charge. Make:- Fiebig/Guru/york/ WO

Supply and fixing in replacement of V- belt B-76 heavy duty complete all as specified or as directed by Engineer-in-Charge. Make:- Fenner/Dunlop or equivalent

Supply and fixing in replacement in replacement of V- belt A-29 to A-45 heavy duty complete all as specified or as directed by Engineer-in-Charge. Make:- Fenner/Dunlop or equivalent

Supply and fix reconditined compressor 7.5 TR, R-22, model 06D-18 for Voltas Packaged unit and testing complete installed at ICU AC plant all as per specified and directed.

M&L for disconnecting all connections of semi- hermetic compressor cap 7.5 TR of Voltas model No. 6D-18 of package type AC plant, taking down and transporting to workshop, dismantling the same and taking out motor assembly removing burnt winding coil, cleaning the complete stator and rotor with carbon tetra chloride solution, rewinding the stator coil with super enameled copper conductor of proper size/gauge as per existing, inserting the new re-winded coils of stator duly varnishing and insulated with superior quality insulation material, replacement of minor parts if required, reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge. Note : Refrigerant shall be measured and paid seperately.

M&L for disconnecting all connections of semi- hermetic compressor cap 7.5 TR of Voltas model No. 6D-18 of package type AC plant, taking down and transporting to workshop, dismantling the same and taking out compressor assembly, replacement of required parts i.e. piston, piston rings, seals, oil and other mech parts, reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge. Note : Refrigerant shall be measured and paid seperately.

M&L for disconnecting all connections of scroll hermetic compressor cap 11 TR of package type AC plant, taking down and transporting to workshop, dismantling the same and taking out motor assembly removing burnt winding coil, cleaning the complete stator and rotor with carbon tetra chloride solution, rewinding the stator coil with super enameled copper conductor of proper size/gauge as per existing, inserting the new re-winded coils of stator duly varnishing and insulated with superior quality insulation material, replacement of minor parts if required, reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge. Note : Refrigerant shall be measured and paid seperately.

M&L for disconnecting all connections of scroll hermetic compressor cap 11 TR of Voltas make of package type AC plant, taking down and transporting to workshop, dismantling the same and taking out compressor assembly, replacement of required parts i.e. piston, piston rings, seals, oil and other mech parts, reassembling the compressor, shifting to work site and fixing & connecting with the system, charging the refrigerant/ Gas, testing complete all as specified and as directed by Engineer-in-Charge. Note : Refrigerant shall be measured and paid seperately.

Supply and fixing in replacement connecting and testing of compressor scrolled sealed unit of capacity 11 TR performer, for Package AC plant including gas charging and testing complete installed at Labour room all as specified and as directed. Make- DANFOSS/ KIRLOSKAR/TECUMSEH/ COPELAND/ VOLTAS/ CARRIER/ DAIKIN.

Supply and fixing in replacement connecting and testing of compressor scrolled sealed unit of capacity 5.5 TR performer, for Package AC plant/cold store including gas charging and testing complete all as specified and as directed. Make- DANFOSS/ KIRLOSKAR/TECUMSEH/COPELAND/ VOLTAS Note for Item No 54 & 55: Refrigerant shall be measured and paid seperately under relevant item.

Supply and fix Single phase preventor having voltage unbalance and phase reversal protection. Make GIC/L&T or other equivalent approved make.

Supply and fix in replacement of electronic timer 240v, 50 Hz, 3-30 sec for star delta starter. Make L&T/ GIC/ Legrand/ Minilec or equivalent.

Supply and fixing in replacement of PCB in the existing Packed unit AC Plant including necessary control wiring as required. Model No - 22 TR PMN MPD Twin ' Make - Softhard Automation Pvt Ltd or in equivalent.

Supply and fixing in replacement of PCB in the existing Packed unit AC Plant including necessary control wiring as required. Model No - 15 TR PMN MPD-2 Twin. Make - Softhard Automation Pvt Ltd or in equivalent.

Taking down defective PCB of 50 TR water cooled chiller unit, making neccesary repair work and make it fully functional and fixing, testing complete all as specified and directed.

Taking down defective PCB of 5.5 to 22 TR compressor unit, making neccesary repair work and make it functional all as specified and directed.

Supply and fixing in replacement Contactor, upto 10 amp 3 pole, coil voltage as per existing model complete all as specified and directed. Make - Siemens or equivalent model in BCH/L&T/Schneider/ABB/ C&S

Supply and fixing in replacement Contactor, 12-22 amp 3 pole, coil voltage as per existing complete all as specified and as directed. Make - Siemens or equivalent model in BCH/L&T/Schneider/ABB/ C&S

Supply and fixing in replacement Contactor, 32-45 amp 3 pole, coil voltage as per existing complete all as specified and as directed. Make - Siemens or equivalent model in BCH/L&T/Schneider/ABB/ C&S

Supply and fixing in replacement Contactor, 63 amp 3 pole, coil voltage as per existing complete all as specified and as directed. Make - Siemens or equivalent model in BCH/L&T/Schneider/ABB/ C&S

Supply and fixing in replacement toggle 5 Amp switch two way brass handle as per sample.

Supply and fixing in replacement of pressure switch LP/HP cut out M15 as per sample. Make- Danfoss/indfos or equivallent.

Supply and fixing in replacement over load Relay 6 to 10 Amp Make -Siemens/BCH/L&T/GIC/ C&S/Schneider.

Supply and fixing in replacement over load Relay 10 to 15 Amp Make -Siemens/BCH/L&T/ GIC/ C&S/ Schneider.

Supply, fixing, connecting, and testing condenser fan motor of outdoor air-cooled condensers of AC plant / cold store capacity 5.5 TR / 7.5TR / 11TR as per existing type and size including taking out old unserviceable motor complete all as per specified and directed.

Supply, fixing, connecting, and testing evaporator fan motor of cold store capacity 5.5TR / 7.5 TR/ 8.5 TR as per existing type and size including taking out old unserviceable motor complete all as per specified and directed.

Supply, fixing, connecting and testing molecular drier cum strainer on line type of size 3/8" x 3/8" make Danfoss in AC plant capacity 5.5 TR / 7.5 TR / 11 TR as per existing type and size including taking out old unserviceable drier complete all as per specified and directed.

Supply, installation of GI construction Volume control Dampers, lever operated type as per existing size and specifications including required accessories, taking down old damper complete all as specified and as directed.

Fabrication of Aluminium duct incl Supply, assembly and erection of aluminium sheet 20 gauge 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 including taking down old duct complete all as specified and directed.

Supply, installation, testing and commissioning of closed cell Nitrile rubber insulation 15mm thick of density min 40 - 60 kg/m3 with proper adhesive and sealed with 75 mm wide BOPP Tape on all longitudinal/transverse joints on ducts complete as per specifications. Make : Supreme/UP Twiga/Kflex/Armaflex

Supply and Application of internal acoustic lining of 10 mm thick over supply air ducting using open cell nitrile rubber insulation with density within 30-40 Kg/m3 as per the approved shop drawings and specifications. Insulation material shall be bonded with the ducts using metal screw and washers to facilitate grip to the GI sheet. Make : Supreme/UP Twiga/Kflex/Armaflex

Fabrication of PGI duct incl Supply, assembly and erection of GI sheet 26 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 sealant on longitudinal joints etc complete of size 26 Gauge including taking down old duct 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, 40MM thickness of insulation complete all as specified and directed.

S & F rolled mild steel work in joist, channel, angle, or tee sections, fixed independently, without connecting plates etc., quality confirming to GDE Fe-410-S for cooling tower repair and pump mounting base incl cutting, drilling, welding to make required structure and painting with two coats of synthetic enamelled paint over a coat of red oxide complete all as specified and as directed.

S&F in replacement Flanged butterfly valve for MS pipe heavy grade 125mm dia bore all as specified and directed.

S&F in replacement Flanged butterfly valve for MS pipe heavy grade 100mm dia bore all as specified and directed.

Material and labour for cold water pipe insulation with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, 40MM thickness of insulation as specified

Supply, install, testing GI pipe medium grade 20mm dia laid in floor/ wall including neccessary GI fittings complete all as specified and directed.

Supply and replace Brass ball valve suitable for 20mm GI pipe complete all as specified and directed. Note: for item No. 1 to 84 (a) The above mentioned items will be replaced based on day to day complaints and no extra cost will payable for attending complaints. Contractor will quote the rate accordingly. (b) Number of complaints may vary day to day. Contractor shall quote his rates accordingly. (c) In case of failure on the part of contractor for attending complaints a penalty of Rs. 2000/- per hour after 4 hours of intimation shall be imposed and recovered as specified in Particular Specifications. (d) Contractor shall ensure that the deployed electrician & helper will carry all T&P, live mobile phone while on duty and will be on contact with JE/ Engineer-in-Charge without any extra cost payable to contractor. (e) Contractor shall be responsible for collection of all ON LINE, off line/ telephonic complaints and handing over the same to complaint cell after rectification duly signed by user with details of stores fixed after attending/ completion of the job on the same day. (f) Contractor shall handover min 40% of these items within one month to 45 days after commencement of work to concerned JE incharge which will be issued for fixing on the basis of day to day complaints.

Attending breakdown (except periodical maintenace) by skilled Ref Mechanic for any type package AC plant/cold store of capacity 5 TR to 22 TR, diagonising the fault, repair/replacement of unserviceable parts including carrying out minor repairs such as changing of small pieces of wires, tightening of loosen electric connections ,nuts, bolts screws, or switches, disconnecting and refixing of LT cables etc as required to make the system functional in minimum time by deploying sufficient technician alongwith with helper incl necessay T & P complete all as specified and directed.

Attending breakdown (except periodical maintenace) by skilled Ref Mechanic for Central AC plant capacity 3 x 50 TR, diagonising the fault, checking sensor/ all parts, control wiring, repair/replacement of unserviceable parts including carrying out minor repairs such as changing of small pieces of wires, tightening of loosen electric connections ,nuts, bolts screws, or switches, disconnecting and refixing of LT cables etc as required to make the system functional in minimum time by deploying sufficient technician alongwith with helper incl necessay T & P complete all as specified and directed. Note for Item No 85 & 86: (a) Replacement of major items shall be measured and paid for separately under respective items. b) Number of complaints may vary day to day and shall be on required basis. Contractor shall quote their rates accordingly. (c) Breakdown complaints shall be collected from complaint cell or by telephonically from duty staff/JE E/M/Engr-in-Charge. (d) In case of failure on the part of contractor for attending any breakdown for Item No 85 within 4 hours from intimation by any means a penalty shall be imposed @ Rs.1000/- per hr complaints and recovered from his dues. (e) In case of failure on the part of contractor for attending any breakdown for Item No 86 within 4 hours from intimation by any means a penalty shall be imposed @ Rs.2000/- per hr for complaint and recovered from his dues.

Fabtech Engineering (BID ID -3143290)

AGGARWAL ENGINEERING CO (BID ID -3143111)