REPAIR /MAINTENANCE OF PACKAGE TYPE CENTRAL AIR CONDITIONING PLANTS, AHU, COOLING TOWER AND OTHER CONNECTED ACCESSORIES AT GE (AF) CHANDIGARH

Amount

Supply, charging & testing leakage with nitrogen gas upto required pressure in central AC plants system, off sizes comprising of 3 units including rectification of leakage by means of gas welding and making system leak proof complete all as specified and directed. Note : - The work is to be executed and completed by the authorized representiative nominated by the Manufacturer. The authorized rep will be approved by the GE before commencement of work.

Supply & charging, refrigerant Mafron-22 (R-22) brought in company sealed cylinders/containers at installation/AC plants, complete all as specified and directed by Engineer-in-Charge.

Supply & charging, refrigerant R 407-C brought in company sealed cylinders/containers at installation/AC plants, complete all as specified and directed by Engineer-in-Charge.

Supply & charging, compressor oil (Non freezing) in company sealed container for (R-22) refrigerant AC plants, complete all as specified and directed.

Supply & charging, compressor oil (Non freezing) in company sealed container for (R-407) refrigerant AC plants, complete all as specified and directed. Note: For item No. 2 to 5 Empty cylinder will be returned back as and when available with the department.

Dismantling and opening both side cover of condenser comprising of 3 units and de-scaling of condenser of capacity 7.5 TR to 25 TR at any installation, by using concentrated HCL solution carefully and roding with brushes including replacement of rubber gasket & worn out nuts, bolts of condenser, complete all as specified & directed. Note : - The work should be done by auth compony rep .

Dismantling and opening both side cover of condenser comprising of 3 units and de-scaling of condenser of capacity 50 TR at any installation, by using concentrated HCL solution carefully and roding with brushes including replacement of rubber gasket & worn out nuts, bolts of condenser, complete all as specified & directed. Note : - The work should be done by auth compony rep .

Complete servicing of condensor of Cap 40 TR cubical type by circulating the chemical as per the manufactirer recommendation to wipe out the deposists from the copper tubing. The service consists of detection of gas leakage from the shell by filling nitrogen gas , repair of shell to prevent gas leakage. The shell will be tested for the discharge of water pressure as per manufactorer design, Cycle of chemical will be stopped once the desired water pressue is obtained. The plant is of make Daiken. Note : Refrigerant reqd for the chiller will be measured and paid seperately under respective item of schedule.

Dismantling and opening of GI sheet ducting from AHU for cleaning/de-scaling complete with automatic cleaning system comprising of air compressor, vacuum unit, dust cleaning equipment. Note : - The work should be done by auth compony rep . Notes : (i) The cleaning of duct is to be started from AHU to different branches in different rooms. All the grills and diffusers are to be cleaned before re-fixing. Rate quoted shall also includes taking down of false ceiling as required and re-fixing the same and re-fixing of dismantled duct with proper clamps, nut, bolts all as specified and directed. (ii) The cleaning equipment shall have monitor, video camera etc for recording of complete cleaning process. The recording of complete cleaning process shall be stored and soft copy (DVD) of the same shall be handed over to the Engineer-in-Charge for record.

Dismantling and opening of cooling coil (AHU) at any installation complete for cleaning with acid solution, with circulating water pump etc, detection of leakage repair of damaged cooling coils tubes with necessary brazing after thorough cleaning etc complete and re-fixing the same, testing on load, complete all as specified and directed.Note : - The work is to be executed and completed by the authorized representiative nominated by the Manufacturer. The authorized rep will be approved by the GE before commencement of work.

Supply and fixing, micro type filter synthetic non woven type, supported with aluminium and HDPE mesh having filter efficiency of 90% down to 10 micron of size 600 x 600x150mm (as per sample) including taking out old and removal, complete all as specified and directed.

Supply & fixing, LP cutout type, MP-I, complete all as specified and directed.

Supply & fixing, oil failure switch, type MP-55, complete all as specified and directed.

Supply & fixing, HP cut out, type MP-5, complete all as specified and directed.

Supply & fixing, LP/HP cut out, type MP-15, complete all as specified and directed.

Supply & fixing, thermostatic expansion valve type TCLE 7.5 HW, complete all as specified and directed.

Supply & fixing, V belt, A-28 in replacement, complete all as specified and directed.

Supply & fixing, V belt, A-30 in replacement, complete all as specified and directed.

Supply & fixing, V belt, A-45 in replacement, complete all as specified and directed.

Supply & fixing, V belt, A-66 in replacement, complete all as specified and directed.

Supply & fixing, PVC fins suitable for ‘Delta/ Mihir" cooling tower, any size and any type in replacement, complete all as specified and directed.

Supply & fixing, solenoid valve, magnetic coil type, single phase, 230 Volts, suitable for R-22 refrigerant including taking out old and removal, complete all as specified and directed.

Supply & fixing, contactor CA-3-30, 3 phase, 415 Volts, 45 Amps including taking out old and removal, complete all as specified and directed.

Supply & fixing, relay type CT-3-12, range 1.6 to 2.5 Amps AC, 3 phase, 600 Volts including taking out old and removal, complete all as specified and directed. Make: GE/L&T/Siemens.

Supply & fixing, contactor MNX-12 Amps capacity, AC 3 phase 415 Volts, 50 Hz including taking out old and removal, complete all as specified and directed. Make: GE/L&T/Siemens

Supply & fixing, contactor MNX-25, AC 3 phase, 415 Volts, 50 Hz with standard coil including taking out old and removal, complete all as specified and directed. Make :GE/L&T/Siemens

Supply & fixing, contactor MNX-9, AC 3 phase, 415 Volts, 50 Hz with standard coil including taking out old and removal, complete all as specified and directed. Make: GE/L&T/Siemens

Supply & fixing , relay range 6 to 10 Amps, 415 Volts, 50 Hz including taking out old and removal, complete all as specified and directed. Make: GE/L&T/Siemens

Supply & fixing, contactor MO-A 1, AC 15Amps, 3 phase, 415 Volts as per existing make and specs including taking out old and removal, complete all as specified and directed.

Supply & fixing, anti freeze thermostatic switch for chiller unit in replacement as per existing make, complete all as specified and directed.

Material and labour for attending the complaint of AC plant related to panel wiring fault, microprocesser based AC plant panel fault /settings,cooling tower and other related problems and rectification of same on the same day without affective the service complete all as specified and directed. Note:- The Contractor will deploy ITI Qualified skilled trademan with two years experience in the trade. All tools & plants will be provided by the contractor.

S&F dryer for liquid line for package type ac plant 8.75 TR to 11 TR (Voltas) in repair/replacement make.complete all as specified and directed by Engr in charge.

Material & labour for Calibration and repair to the Micro processor based controller for package units reciprocating scroll type compressor Make Voltas capacity 8.75 TR to17 TR including repair Motor Protection Device (MPD) and Voltage Protection Device (VPD), and 3 phase 415 volts electric supply complete to its full load capacity complete all as specified and directed by Engineer-in-Chrage.

Dismantling and taking out burnt electric Condenser pump motor of any make, type, RPM, 1 HP capacity, 3 phase 415 Volts cleaning thoroughly and rewinding to stator with supper enameled copper wire of appropriate gauge including allied insulating material and varnishing of stator, replacement of front and rear bearings (as per sample) of the electric motor, re-fixing in position including electric connection and testing complete on load, complete all as specified and directed.

All as per description of serial item No. 34 here in before but for 2 HP complete all as specified and directed.

All as per description of serial item No. 34 here in before but for 3 HP complete all as specified and directed.

All as per description of serial item No. 34 here in before but for 5 HP complete all as specified and directed.

All as per description of serial item No. 34 here in before but for 7.5 HP complete all as specified and directed by Engineer-in-Chrage.

All as per description of serial item No. 34 here in before but for 10 HP complete all as specified and directed by Engineer-in-Chrage.

Supply and Fixing of control panel intelligent microprocessor based suitable for control panel including PCB cards, internal wiring,contactors,all sensors programming and other connected item suitable for 8.75 TR to 17 TR AC (Voltas) plant fixed in repair/replacement complete all as specified and directed by Engr -in-charge.

Supply and Fixing control panel intelligent microprocessor based suitable for control panel including PCB cards, internal wiring,contactors,all sensors like Oil sensor,pressure senser,chilled water sensor,complete programming and other connected item suitable for 24TR to 40TR AC (DAIKIN/ VOLTAS) plant fixed in repair/replacement complete all as specified and directed by Engr -in-charge.

Supply and fixing 3 pole power contactor type ML-1.5 as per existing make and specs, standard voltage coil 230 Volts, 25 Amps capacity fixed in repair/replacement complete all as specified and directed.

Supply and fixing 3 pole power contactor, type ML-2, standard voltage coil 230 Volts, 32 Amps capacity fixed in repair/replacement complete all as specified and directed.

Supply and fixing 3 pole power contactor type, ML-3, standard voltage coil 230 Volts, 40Amps capacity fixed in repair/replacement complete all as specified and directed.

Supply and fixing Finned type strip heaters 2000 Watt, 240 Volts, complete all as specified and directed. Make: Daspass Cat Part No. FSH-20 or equivalent Model of Makes as specified here in after.

Supply and fixing Finned type strip heaters, 3000 Watt, 240 Volt, complete all as specified and directed. Make: Daspass Cat Part No. FSH-30 or equipment Model of Make

Material & labour, repair to cooling tower of capacity 15 TR to 20 TR including replacement of sprinkle assembly of size 2"/3" with PVC branch distribution pipe etc. with cleaning of collector tank etc, complete all as specified and directed.

Material & labour, repair to cooling tower of capacity 25 TR to 50 TR including replacement of sprinkle assembly of size 2"/3" with PVC branch distribution pipe etc with cleaning of collector tank etc., complete all as specified and directed.

Supply & fixing, blower motor pakage type 1 HP(960 RPM) with assy for AC Plants (Make: Delta). Incluing dismantling, taking out old & removal,, complete all as specified and directed.

Supply and fixing Compressor 8.75 Tr for AC plant Make : Emerson (Model No. ZR108KC-TFD-522) including taking out old & removal,, complete all as specified and directed.

Supply and fixing Compressor 5.5 Tr for AC plant Make : Emerson (Model No. ZR72KCE-TFD-522) including taking out old & removal,, complete all as specified and directed.

Supply and fixing Compressor 12 TR for AC plant Make : Voltas (Model As per existing model installed at base Ops) including taking out old & removal,, complete all as specified and directed.

Supply and fixing Compressor 10 TR for AC plant Make : Daikin (Model As per existing model installed at ATC) including taking out old & removal,, complete all as specified and directed.

Supply & fixing micro filter of size 23.5"x 15"of thickness as per existing , complete all as specified and directed.

Supply & fixing micro filter of size 25˝x25˝of thickness as per existing , complete all as specified and directed.

Supply & fixing humidistat indoor type of range 0-90, complete all as specified and directed.

Supply & fixing thermostat having range 0-120, complete all as specified and directed.

Supply & fixing MCCB ,3 pole, capacity 125 Amps, 415 volts, AC having rupturing capacity 16 KA, complete all as specified and directed.

Supply & fixing MCCB ,3 pole, capacity 100 Amps, 415 volts, AC having rupturing capacity 16 KA, complete all as specified and directed.

Supply & fixing MCCB ,3 pole, capacity 200 Amps, 415 volts, AC having rupturing capacity 36 KA, complete all as specified and directed.

Supply & fixing MCCB ,3 pole, capacity 63 Amps, 415 volts, AC having rupturing capacity 16 KA, complete all as specified and directed.

Supply & fixing MCB, 40 Amps, 3 phase, TP, 415 Volts, AC 50 Hz, with rupturing capacity 9 KA including taking out old and removal, complete all as specified and directed. Make: LEGRAND/ABB/GE/L&T/Siemens/Schneider/Havells/Indiasian.

Material & Labour for Sub Main Wiring with two run single core 6 Sqmm PVC insulated unsheathed (FRLS) cable with stranded copper conductor drawn in and including PVC concealed conduit 25mm dia with and including 1 run single core 6 Sqmm copper green colour earth wire all as specified and directed by Engineer-in-Charge.( 02 run of single core cable and 1 run single core of earth wire will measured as one unit).

S&F in repairs of set of panels made out of PGI sheet 22 gauge thick with wood wool pads, in required quantity duly filled complete as per sample and all as directed by EIC/ GE

Repair/ replacement of AC Plant panel boards of different capacities/location with lugs/thimbles/wires/winding/painting/brazing/cement work/MCCB cover and by supply and replacing the following parts complete all as specified and as directed.

Supply only Ammeter 0-50 Amp, CT type size 96 sq mm square.

Supply only Voltmeter 0 - 500 Volt, size 96 sq mm.

Supply only Indicator lamps 230 Volt.

Dismanting and taking out burnt electric AHU Blower motor of any make, type, RPM, 7.5 HP capacity 3 phase 415 volts, thoroughly cleaning and rewinding to stator with super enemeled copper wire of appropriate gauge including allied insulating material and varnishing of stator replacement of front and rear bearings (asper sample) of the electric motor, re-fixing in position including electric connection and testing complete on load, complete all as specified and directed.

All as per description of serial item No. 70 here in before but AHU motor (Blower motor) 3 HP 3 Phase suitable for existing AHU of cap 8.75 TR AC Plant of Make Voltas/CG/Seimens/kirloskar.

Dismanting and taking out burnt electric Cooling Tower fan motor of any make, type, RPM, 7.5 HP capacity 3 phase 415 volts cleaning thorougly and rewinding to stator with super enemeled copper wire of appropriate gauge including allied insulating material and varnishing of stator replacement of front and rear bearings (asper sample) of the electric motor, re-fixing in position including electric connection and testing complete on load, complete all as specified and directed.

All as per descriptionof item No. 72 here in before but Cooling Tower fan motor 5 HP 3 Phase of cap 48 TR AC Plant of Make Voltas.

All as per descriptionof item No. 72 here in before but Cooling Tower fan motor 3 HP 3 Phase of cap 48 TR AC Plant of Make Voltas.

Material & Labour for repair to Chiller unit cubical type make Daikin Cap 40 TR x 3 Nos as per the fwg procedure:- (a) Isolating the complete chiller unit from water circulation curcuit and dismantling the evaporator to carry out the repair work of shell. Replacement of copper tubes of the shell with new one including brazing. Total circuit in evaporator are for 4 compressor. All the tubes of 4 circuits to be replaced. Descaling the complete unit by circulating descaling agent to obtain desire gas pressure. (Evaporator unit to be taken out carefully by descaling the shell if necessry at site. Detectiion of leakage to be done by injecting N2 gas in copper tubing. Including assembly of unit after carrying out repair work, connection with the chiller unit, compressor line and testing the unit after descaling. Complete all as specified and directed.

Material & Labour for Isolating the complete chiller unit from water circulation curcuit and dismantling the Condensor to carry out the repair work of shell. Replacement of copper tubes of the shell with new one including brazing. Descaling the complete unit by circulating descaling agent to obtain desire gas pressure. Condensor unit to be taken out carefully by descaling the shell if necessry at site. Detectiion of leakage to be done by injecting N2 gas in copper tubing. Including assembly of unit after carrying out repair work and connection with the chiller unit and compressor line. Testing the unit after descaling out repair work. Note for item No. 75 & 76 :- (i) The cost of transportation and back is deemed to be included in the unit quoted rate. (ii) The refrigerant Gas required for Top up will be measured & paid separtely under respective item of BOQ . (iii) The work of repalcement of copper tubing shall be executed and completed by the authorized representiative nominated by the Manufacturer. The authorized rep will be approved by the GE before commencement of work.

Note: The contract amount will be arrived at after deduction of credit of Rs. 35052.00 for old Materials as per Schedule of Credit

Panwar Electricals

PARTAP ENGINEERING WORKS

PAUL REFRIGERATION