GE (N) P/TOKEN- 23 OF 2021-2022 REPAIR/REPLACEMENT/MAINTENANCE OF CENTRAL TYPE AIR CONDITIONERS, PACKAGE TYPE AC SYSTEM, COOLING TOWERS AND REPAIR TO ELECTRIC CONTROL PANELS AND OTHER CONNECTED WORKS IN THE AREA OF AGE E/M NORTH UNDER GE (N) PUNE

Amount

M & L for Servicing of outdoor (condenser) unit of air cooled Package type AC plant of capacity 5 TR to 8.5 TR by cleaning of fins by water jet of suitable pressure or cleaning by using chemical if reqd, including combing of fins by using fins comb for making the fins straight, checking electrical wiring, servicing, oiling of condenser motor, etc. complete as specified and directed by Engr-in-charge.

M&L for replacement of unserviceable fan blade heavy duty of outdoor condenser unit of air cooled package type AC (5 to 8.5TR) as per existing make, model and type including replacement of bearing, bushing etc for smooth rotation complete all as directed by Engr-in-charge.

M & L for replacement of blower belt of AHU/Package type AC as per existing model and type ISI marked including re-alignment of the motor and blower if required for proper tension of belts as directed by Engr-in-charge.

M&L for servicing of elect control panel of AHU central/Package type AC Plant by cleaning the panel with blower, checking of electric circuits/connections, replacement of unserviceable burnt wire, cables with existing size & length including proper numbering, replacement of unserviceable fuse link, lugs, washer, nuts, bolts, checking proper electrical connection, connectivity etc. & find out defective parts and making the panel functional by replacing the unserviceable item as directed by Engr-in-charge. Notes :(i) Replacement of unserviceable parts such as MCB, MCCB, contactor, relay etc. shall be measured and paid separately. (ii) Minor parts like thimbles, tags, nut, bolts, washers etc shall be deemed to be included in item rate quoted.

M&L for servicing and painting of Main Electric Panel board/Control panel board of Central/Package type AC Plant by cleaning, scraping the panel with blower/wire brush as directed, replacement of unserviceable burnt wire, cables with existing size & length duly crimped with suitable lugs in both ends including proper numbering, tightening of fuse link, lugs, washer, nuts, bolts, checking proper electrical connection, connectivity etc. & find out defective burned lugs and replace the same and making the panel functional all as directed by Engr-in-charge. Note: Replacement of unserviceable parts shall be measured and paid separately under relevant items.

Supply and replacement of MCB 6-32 Amp SP, C series 10kA

Supply and replacement of MCB TP 40 to 63Amp C series 10kA

Supply and replacement of MCB TP 10 to 32 Amp C series 10kA

Supply and replacement of MCB TPN 40 to 63 Amp C series 10kA

Supply and replacement of Power contactors 415 V, AC, 9 to 25 Amps, 3ph

Supply and replacement of Power contactor 415 V, AC, 32 to 40 Amps, 3ph

Supply and replacement of Add on Auxiliary contact block. Make L&T Model MNX A-2 /MNX A-1 series TA1-DN22 or equivalent of make as per Appx 'A' as approved by GE.

Supply and replacement of HRC fuse link RH type having breaking capacity 80 kA ( 2-32 amps)

Supply and replacement of HRC fuse link bottle/Din type having breaking capacity 80 kA (36 to 63 amps)

Supply and replacement of HRC fuse link bottle/Din type having breaking capacity 80 kA (80 to 125 amps)

Supply and replacement of Fuse bases for HRC fuse up to 32 Amp

Supply and replacement of Fuse Base for fixed type up 63 to 125Amp

Supply and replacement of Contactor 3 Phase 415 V, AC3 rating 18A. Make: L&T Model No MNX18 or equivalent of make as per Appx 'A as approved by GE.

Supply and replacement of Contactor 3 Phase 415 V, AC3 rating 25A. Make: L&T Model No MNX25 or equivalent of make as per Appx 'A as approved by GE.

Supply and replacement of Display controller model No. 22 TR HMI range 5-30 Amps (Dx).

Supply and replacement of Contactor 3 Phase 415 V, AC. Nake: Siemens Model no. 3TS34 or equivalent of make as per Appx 'A as approved by GE.

Supply and replacement of Contactor 3 Phase 415 V, AC. Make: Siemens Model no. 3TS36 or equivalent of make as approved by GE.

Supply and replacement of Contactor 3 Phase 415 V, AC Model No Model no. 3TS49 Siemens or equivalent of make as per Appx 'A as approved by GE.

Supply and replacement of Thermal Over Load Relay (Auto/Manual reset) suitable for contactors (Relay range 2.6 to 3.6 Amps). Make: L&T Cat No. CS96357OOQO or equivalent of make as per appx 'A' as approved by GE.

Supply and replacement of Thermal Over Load Relay (Auto/Manual reset) suitable for contactors (Relay range 3.6 to 12.1 Amps ) type-RX. Make: L&T or equivalent of make as per appx 'A' as approved by GE.

Supply and replacement of Thermal Over Load Relay (Auto/Manual reset) suitable for contactors (Relay range 31 to 42 Amps) type ML 2/ ML 3. Make: L&T or equivalent of make as per appx 'A' as approved by GE.

Supply and replacement of Electronic Motor Protection Relay (Auto/Manual reset) suitable for contactors (Relay range 16 to 44 Amps ) Make: L&T Cat No. MPR204BE160 or equivalent of make as per appx 'A' as approved by GE.

Supply and replacement of PVC connector multi terminals 15 to 60 Amps

Supply and replacement of Electronic Timers 110/240/360/415Volts 50 Hz for (3-10/ 9-30/36-120 Sec) suitable for AC plant.

Supply and replacement of Single phase preventer suitable for 3 HP to 15 HP Monoblock pump sets of cooling Towers (Make Minilic or equivalent of make as per appx 'A' as approved by GE.)

Supply and replacement of LED indicating lamps in existing dia flush type for RYB phases (as per colour code)

M&L for descaling of condenser Capacity up to 30 to 100TR with dilute sulphuric acid solution (as per OEM manufacturers specification) by using backwash pressure for circulation of solution and brushing with nylon brush by opening both side covers and cleaning/flushing out the dirt, sludge with water to the satisfaction of Engr in charge and re-fixing the side cover with new gasket, replacement of worn out nut, bolts & washers and leak detection complete all as specified.

M&L for replacement of unserviceable digital Humidistat including electrical connection and testing, commissioning as specified & directed by Engr-in-charge. Make- Honey well or equivalent of make as approved by GE.

M&L for replacement of unserviceable heater strip type 2kW capacity as per existing size.

M&L for replacement of unserviceable heater strip type 3kW capacity as per existing size.

Material and labour for taking out unserviceable burnt electric motor of compressor/ Cooling Tower/ Blower/ condenser Up to 1 HP single Phase and rewinding by removing the burn out copper coil & cleaning the motor and winding with copper wire of same gauge & turns including varnish, heating the winding including replacement of unserviceable bearing, bush etc. , refixing to its original place and testing after repair complete all as specified and directed by Engr in charge. for following capacity:- Note: Rates for transportation from site to workshop & return shall be deemed to be included in item rate.

All as per item 37 above but for 1.5 HP to 3.0 HP 3 phase

All as per item 37 above but for 3.5 HP to 5 HP 3 phase

All as per item 37 above but for 5.5 HP to 7.5 HP 3 phase

All as per item 37 above but for above 7.5 HP to 10 HP 3 phase

M&L for taking down, dismantling and servicing of Monoblock Centrifugal pump set by greasing, cleaning the shaft replacing gland packing/bush bearing of existing size, replacement of unserviceable nut, bots & washers etc. for capacity 3 to 10 HP pump complete all as specified and directed by Engr in charge.

M&L for taking out unserviceable air filters of any capacity and size (610x610x300mm) as per site requirement including S&F double united polymer fabric HDPE mesh air filter washable /cleanable type having efficiency 95% to 99% down to particles size of 5 to 20 micron, fabricated out of CRCA sheet metal duly painted with two coat of grey hammer tone spray paint over a coat of red oxide primer, with lifting handles, Box/flanged type, aluminum spacer etc. all as per existing size as directed by Engr-in-charge.

M&L for taking out unserviceable air filters of any capacity and size (610x610x50mm) as per site requirement including S&F double united polymer fabric HDPE mesh air filter washable /cleanable type having efficiency 95% to 99% down to particles size of 5 to 20 micron, fabricated out of CRCA sheet metal duly painted with two coat of grey hammer tone spray paint over a coat of red oxide primer, with lifting handles, Box/flanged type, aluminum spacer etc. all as per existing size as directed by Engr-in-charge.

M&L for replacement of air filters of Package type AC plant of cap 5 to 8.5 TR as per existing size, model & filtration capacity complete all as specified and directed.

M&L for servicing of pan type humidifier floor mounted/ installed at duct of capacity 6 /12 kW including cleaning of tank, checking of all inlet & outlet connection, checking and repair of all electrical control connections and making the pan type humidifier functional including replacement of minor parts required at site complete all as directed by Engr-in-charge.

M&L for servicing of cooling tower motor of capacity up to 7.5 HP including greasing, replacement of unserviceable bearing/bush/shaft etc. as directed by Engr-in-charge.

M&L for servicing, cleaning of Cooling tower up to 100 TR Cap including taking out perils , cleaning the same and refixing, cleaning the storage tank, removal of all sludge , servicing, greasing of cooling tower motor with hub assembly etc. complete up to satisfaction of Engr in charge.

M&L for leak detection of air cooled condenser unit of central/package type AC plant up to 100 TR cap including cutting, brazing to leak condenser coil & testing after brazing work with nitrogen pressure etc complete all as specified & directed by Engr in charge. Note:- (i) Necessary topping up of refrigerant gas & oil shall be measured and paid in respective items.

M&L for replacement or top-up of burnt compressor oil and charging with new compressor oil for open type reciprocating compressor as per manufacturer's standard instruction. Make - Servofriz-68 of Indian Oil Corpn. Ltd /Freezol- 68 of Bharat Petroleum

M&L for refrigerant gas R-407c charging in compressors as per OEM specification.

M&L for refrigerant gas R-134a charging in compressors per OEM specification.

M&L for refrigerant gas R-22 including charging in compressors as per OEM specification.

M&L for replacement of blower motor of package unit (5. to 8.5 TR capacity) as per existing model & type by dismantling existing unserviceable blower motor complete all as specified and directed.

M&L taking out unserviceable MPD (motor protection device) and its control panel of package type AC plant (5/8.5 TR) air cooled to carry out repair through service center including replacement of unserviceable parts of MPD and refixing to its original place after carry out repair and testing the plant complete all as specified

M&L for replacement of HP/LP cut out suitable for compressor upto 100 TR of package/central type AC plant including cutting, brazing and leakage testing complete as required at site and testing after replacement compete all as specified & directed.

M&L for replacement of unserviceable Hermatic/scroll type compressor of package type ac of cap 5 to 8.5 TR capacity as per existing sample suitable for working on 380-415V, 3 phase, 50Hz, having lubricant oil-PVE, heater including cutting brazing to inlet out let refrigerant piping, nitrogen pressure test for leakage testing, vacuum the system and charging suitable Refrigerant gas and testing after replacement complete all as specified. Note:- Refrigerant gas shall be measured and paid in respective item.

M&L for replacement of digital multi functional meter of Package type AC plant of capacity 5 to 8.5 TR, as per sample all as specified and directed.

M&L for replacement of MPD of package type AC plant of cap (5 to 8.5 TR) as per exisitng sample and make all as specified and as directed.

M&L for taking out existing unserviceable scroll compressor and replace with new compressor suitable for working on 380-415V 3 phase , 50Hz, LR 270A, Max Oper-58A, thermally protected system, LP side (PS 20 bar, TS max 53oC TS min-35oC, Vol 32.8I) HP side (PS 29.6 bar, TS max 68.3oC TS min-35oC, Vol 2.oI), having lubricant POE320SZ, heater etc including making connections inlet outlet refrigerant piping, nitrogen pressure test for leak testing , vacuum the system and charging suitable Refrigerant gas and testing after replacement complete all as specified. Make- Danfoss commercial compressors Model No-SZ185S4RC or equivalent of make as approved by GE. Note:- Refrigerant gas shall be measured and paid in respective item.

M&L for replacement of unserviceable MPD of central AC plant, Model No- M3 PD, Type- µMPD, Range- 5-30A, Aux Supply-15VAC, Special- 5 Sec and testing after replacement. Make- SoftHard or equivalent of make as approved by GE.

M&L for replacement of unserviceable MPD of central AC plant, Model No- SCR 22 TR, Range- 5-30A, Aux Supply 0-11V AC, 0-13V AC - 5 Sec curve MPD and testing after replacement. Make- SoftHard or equivalent of make as approved by GE.

M&L for replacement of unserviceable VPD (voltage protection device) of central AC plant, Model No- SPP-PHR, Type- VPD, Range- 30-220Amps, Aux Supply-230VAC, Special- 5 Sec curve MPD and testing after replacement. Make- SoftHard or equivalent of make as approved by GE.

M&L for chiller water pipe line insulation class O nitrile rubber based thermal insulation 32mm thick with treated woven glass fiber covering of 0.18mm thick, density of 200+25 GSM, Tensile strength 275+20 Kg/mm for exposed to sun application (green colour) including fixing with adhesive which is specifically formulated for pipe insulation which shall be free from benzene and joints shall be fixed with glass cloth foil based tape with self adhesive ability to ensure 100% leak proof, including taking out existing unserviceable insulation material, cleaning the pipe surface complete all as directed by OEM & specified by Engineer-in-Charge. Make - Armacell/Vidoflex/Eurobatex.

M&L for replacement of old unserviceable MCCB TP-250 amps current carrying capacity 36KA AC 415 Volts four pole with adjustable magnetic/ thermal setting having Ices=100%Icu complete all as specified and directed. Make: C&S/ Legrand/ L&T/ Siemens

M&L for replacement of old unserviceable MCCB TP-400 amps current carrying capacity 36 KA, AC 415 Volts four pole with adjustable magnetic/ thermal setting, having Ices=100%Icu complete all as specified and directed. Make- C&S/ Legrand/ L&T/ Siemens

M&L for Replacement of old unserviceable MCCB TP-100 amps current carrying capacity, 36 KA ,AC 415 Volts four pole (DH series) with adjustable magnetic/ thermal setting having Ics=100%Icu complete all as specified and directed Make- C&S/Legrand/L&T/Siemens

M&L for Replacement of old unserviceable MCCB TP-125 amps current carrying capacity, 36 KA ,AC 415 Volts four pole (DH series) with adjustable magnetic/ thermal setting having Ics=100%Icu complete all as specified and directed Make- C&S/Legrand/L&T/Siemens

M&L for replacement of unserviceable fusible link for fire dampers. Make-Dynacraft Air controls or as per existing make as approved by GE.

M&L for replacement of cast iron butter fly valve of size 50mm dia. including taking out existing unserviceable butter fly valve and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line) complete all as specified and directed

All as per item 70 above but 100 mm dia

All as per item 70 above but 125 mm dia

M&L for replacement of cast iron Non return valve (NRV) 50mm dia. including taking out existing unserviceable NRV and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line) complete all as specified and directed

All as per item 73 above but 100 mm dia

M&L for replacement of condensor/chiller water pressure gauge including taking out existing unserviceable one and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line) all as specified and as directed.

M&L for replacement of thermostate meter size 15mm including taking out existing unserviceable one and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line) all as specified and as directed.

M&L for temprature gauge of range 0 - 100 degree celcius as per sample in replacement of old unserviceable temprature gauge all as specified and as directed.

M&L for replacement of spray pump 0.5 HP including taking out existing unserviceable spray pump and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line).

M&L for replacement of spray pump 1.0 HP including taking out existing unserviceable spray pump and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line).

S&F Rotational mounted triple layer polyethylene water storage tank (cylindrical vertical with closed top) 10,000 Ltrs cap hoisted and fixed including necessary fittings required for inlet, outlet water pipe connection (such as barrel nipple, union, tee, drain plug, air vent pipe for outlet line etc.) complete all as specified and directed Make- Sintex, Rotex, Polycon

S&F Rotational mounted triple layer polyethylene water storage tank (cylindrical vertical with closed top) 300 Ltrs cap hoisted and fixed including necessary fittings required for inlet, outlet water pipe connection (such as barrel nipple, union, tee, drain plug, air vent pipe for outlet line etc.) complete all as specified and directed Make- Sintex, Rotex, Polycon

S&F Rotational mounted triple layer polyethylene water storage tank (cylindrical vertical with closed top) 5,000 Ltrs cap hoisted and fixed including necessary fittings required for inlet, outlet water pipe connection (such as barrel nipple, union, tee, drain plug, air vent pipe for outlet line etc.) complete all as specified and directed Make- Sintex, Rotex, Polycon

M&L for XLPE insulated, armored heavy duty electric cable with aluminum conductor, 1100 volts grade, having cross-sectional area 240 Sqmm 3.5 Core including laying in ducts, passing through pipes, fixing on walls and making good to the disturbed surface as reqd at site complete all as specified and directed

M&L for taking out old unserviceable cable of any size all as specified and directed.

M&L for water pressure gauge of range 0 - 150 psi in replacement of unserviceable water pressure gauge as per sample all as specified and as directed.

M&L for replacement or top-up of unserviceable burnt screw compressor oil and charging with new lubricant oil BSE -170 for screw type compressor as per manufacturer's standard instruction.

M&L for Half yearly servicing of 100 TR screw type water cooled chiller unit by authorised OEM service Engineer including cleaning of electric control panel & its parts, chiller units parts, checking all parameters of Microprocessor, MPD, VRF and other controls including replacing of spare parts if reqd and setting the parameters as per design and outside conditions, decaling of condenser top up of refrigerant gas, oil if required and submission of service report to Engr in Charge. Make of installed AC plant-Voltas Model- ACEGWFXR1001MLC242 Notes: 1. Refrigerant gas & oil shall be measured and paid in respective item. 2. Replacement of unserviceable parts shall be measured and paid separately under relevant items.

M&L for replacement of unserviceable flow switch of chiller/condenser water line as per existing type & model complete all as specified & directed by Engr in Charge

M&L for replacement of defective sprinkler assy complete as per existing type & model of cooling tower cap 30 TR all as specified and as directed.

M&L for replacement of defective sprinkler assy complete as per existing type & model of cooling tower cap 100 TR all as specified and as directed.

M&L for carefully painting central AC plant water cooled type having condenser, Cooling tower, condenser water pipe line, refrigerant pipe line, control sluice valve/butter fly valves, angle iron foundation frames, compressor motor, compressors, drain water MS duct, condenser , chiller monoblock pump sets etc. of central type ac plant complete with two coat of synthetic enamel paint after scrapping out existing rusted/bubbled paint as per existing colour coding and marking water flow directions with suitable size arrow mark complete including cleaning the stains of paint after painting complete all as specified and directed by Engr-in-charge. Note :- For measurement and payment one complete plant shall be taken as one job.

M&L for taking out unserviceable PVC fills of cooling tower of 30 to 100 TR cap (bottle/rectangular type) after taking down cooling tower motor and keeping aside, cleaning the hydrant pipe, sprinkler assembly and inside complete body of cooling tower complete up to satisfaction of Engr in Charge.

Supply & fixing PVC fills of cooling tower of 30 to 100 TR as per OEM standard fixing sequance including cutting & filling the gaps so that the water of cooling tower spread equally complete all as specified and as directed Engr in Charge.

M&L for cleaning of Y strainer & pot strainer (water strainer) of central AC plants 50 to 125mm of chiller line, condensor line by carefully opening the top & taking out the strainer and refixing after cleaning/washing out the line durt/sludge & replacement of defective nut bolts, rubber gasket, damaged strainer as per existing size if required after cleaning filling water in condensor/ chiller line by using additional pump, taking out the air in chiller & condensor line complete all as reqd at site & directed by Engr-in-charge. Notes: Replacement of unserviceable parts shall be measured and paid separately under relevant items.

M&L for replacement of unserviceable water strainer of size 50mm including replacement of unserviceable rusted nut bolts, washers, & gasket complete all as red at site & directed by Engr in charge.

M&L for replacement of unserviceable water strainer of size100mm including replacement of unserviceable rusted nut bolts, washers, & gasket complete all as red at site & directed by Engr in charge.

M&L for replacement of unserviceable water strainer of size125mm including replacement of unserviceable rusted nut bolts, washers, & gasket complete all as red at site & directed by Engr in charge.

M&L for replacement of aluminium foil for AC duct including all fitting and fixtures as per manufacturer's standard instruction all as specified and as directed.

Note : 1. Rerformance security:- Refer Condition 22 of Special Conditions 2. Quoted Contract Sum shall be arrived at after deducting the amount of Credit Schedule (refer Schedule of Credit in pdf form for quantity, rate and amount etc.) for old unserviceable materials retrieved from site.

Chaulya Enterprises

BRILLIANT AIRCONDITIONING AND REFRIGERATION WORKS