REPAIR AND MAINTENANCE OF CENTRAL AC PLANTS, PACKAGE TYPE AC PLANTS, ELECTRICAL PANELS AND MISC ITEMS OF AC PLANTS UNDER GE (AF) LOHEGAON AT 9 BRD AIRFORCE STATION PUNE

Amount

M&L for servicing, cleaning & greasing of AHU with complete accessories such as cooling coil, air filters, greasing of blower motor, blower/drum, blower shaft, checking of electric control cable connections & cleaning of Pot Strainer/Y strainer of chillier/condenser line including replacement of strainer (jali) if required etc. up to satisfaction of Engr in Charge. Note : Cooling coils should be cleaned with jet spray of suitable pressure.

M&L for descaling of condenser (up to 18 TR) with dilute sulphuric acid solution (as per OEM manufacturers specification) by using decaling pump for circulation of solution and brushing with nylon brush by opening both side covers and cleaning/flushing out the dirt, sludge with water up to 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 descaling of condenser (24 to 100 TR) with dilute sulphuric acid solution (as per OEM manufacturers specification) by using decaling pump for circulation of solution and brushing with nylon brush by opening both side covers and cleaning/flushing out the dirt, sludge with water up to 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

Replacement of unsv V belts with new V belts ISI marked of compressor & AHU as per existing size & type

M&L for servicing of compressor by disconnecting /detaching from motor after pump down the system and taking out the parts after strip opening of compressor (Make: ACCEL, 4x65L 18 TR ) Cleaning the parts of compressor & segregation of serviceable/unserviceable parts, keeping serviceable parts aside for reuse and replacing the worn out parts (taken as supply only), turning, lathe work on crank shaft if required, Reassembling the complete compressor parts, including checking leak test by using nitrogen pressure test at suitable pressure, vacuumed the compressor by using vacuum pump & filling oil and charging of gas R-22, testing and commissioning of complete system as per OEM specification and directed by Engr in charge. Note: (i) Work shall be carried out through OEM Mechanics or Mechanic having 10 Years experience of repair of the compressor. (ii) Unserviceable nut, bolts, washers, springs etc. found unserviceable will be replaced and deemed to be included in the job work rate. (iii) Major spare parts, compressor oil and Refrigerant shall be measured and paid separately (iv) Cost nitrogen for leak testing is included in quoted rates

Supply only of following spare parts of the compressor Make: ACCEL, 4x65L

Cylinder liners with unloading ring with pin, washers, gasket

Piston set with piston rings and piston pin

Connecting rod with CR bush and bearing.

Suction/ Discharge valve assembly complete.

Shaft seal assly complete

O' ring set.

Gasket set.

Heater assembly

Heater

SV and DV reed set

Oil pressure regulating valve

Oil filter assembly

Filter Bag

Aluminium washer set

Coil for solenoid valve

solenoid valve

Cut Out LP HP

Loading unloading frame

Gear wheel & Neoprinence O ring of Oil pump

coupling for oil pump

crank shaft

M&L for replacement or top-up of u/s burnt compressor oil and charging with new lubricant oil for open type reciprocating compressor(4x65L Make- Accel) as per manufacturer's standard instruction

M&L for replacement or top-up of u/s burnt compressor oil and charging with new lubricant oil BSC 170 for screw type compressor(AC Plant make: Voltas)) as per manufacturer's standard instruction

S&F and replacement of HP/LP cut-out switch for compressor of AC plant as per existing make, model & type.

M&L for servicing, cleaning & painting of Cooling tower up to 100TR Cap, cleaning the storage tank, removal of all sludge , cleaning of strainer, servicing greasing of cooling tower motor, springer hub assembly etc. complete up to satisfaction of Engr in charge.

M&L for servicing of Main Electric Panel board/Control panel board of Central/Package type AC Plant by cleaning the panel with blower, replacement of Unsv burnt wire, cables with existing size & length including proper numbering, replacement of u/s fuse link, lugs, washer, nuts, bolts, checking proper electrical connection, connectivity, cleaning of contactors by contact cleaner etc. & find out defective parts and making the panel functional by replacing the Unsv item (taken as supply only) as directed by Engr-in-charge. Note: (i) Unserviceable parts as MCB, MCCB, contactor, relay, MPD, etc. will be measure and paid separately. Minor parts like thimbles, tags, nut, bolts, washers, wire pieces etc. shall be deemed to be included in item rate.

Supply only of the following for above item

MCB 6-32 Amp SP C series

MCB TPN 40 to 63Amp C series

MCB TPN 10 to 32 Amp C series

MCCB-400 amps current carrying capacity 36 KA, AC 415 Volts four pole model as per existing

Add on Auxiliary contact block (MNX A-2 /MNX A-1/TA1-DN22/LAN-11)

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

Fuse bases for HRC fuse up to 32 Amp

Contactor 3 phase having current rating 9 to 12 A

Contactor 3 phase having current rating 18 to 22 A

Contactor 3 phase having current rating 25 to 32A

Contactor 3 phase having current rating 40 A

Contactor 3 phase having current rating 70A

Thermal Over Load Relay (Auto/Manual reset) suitable for contractors (Relay range 2.5-t to 9-13 Amps )

Thermal Over Load Relay (Auto/Manual reset) suitable for contractors (Relay range 23-32 to 30-40 Amps)

PVC connector 15 to 60 Amps

Electronic Timers 110/240/360/415Volts 50 Hz for (3-10/ 9-30/36-120 Sec)

Single phase preventer suitable for 3 HP to 25 HP Elect motor sets

R/Y/B Phase/On/Trip indicating lamps (as per colour code)

Relay (Salzer Mkg 3P)

S&F thermostat expansion valve suitable for capacity up to 18 TR.

M&L for replacement of butter fly valve 100mm dia including taking out existing Unsv butter fly valve and making good to the disturbed surface matching to existing specification

M&L for replacement of unsv pot strainer 100mm including replacement of unsv rusted nut bolts, washers, & gasket complete all as red at site & directed by Engr in charge.

M&L for replacement of unsv HEPA filters 0.3 Micron, flanged type EU-13, having Aluminium MOC casing, imported submicron glass fibber paper filter media , filtration efficiency 99.997% down to 0.3 micron, of size 610x610x545x545x305mm, Air flow 2000CFM , 25mm WC initial pressure drop & 60mm WC final pressure drop complete all as specified and directed by Engr in Charge

M&L for replacement of unsv HEPA filters 0.3 Micron, flanged type EU-13, having Aluminium MOC casing, imported submicron glass fibber paper filter media , filtration efficiency 99.997% down to 0.3 micron, of size 610x305x545x240x305mm, Air flow 1000CFM , 25mm WC initial pressure drop & 60mm WC final pressure drop complete all as specified and directed by Engr in Charge

M&L for replacment of unsv flanged type combination filter EU4+EU-5 grade, having Aluminium MOC casing, HDPE+NW+AL Mesh fileter media , filtration effiency 95% down to 5 Micron, size 305x610x240x545x380mm, Air flow 1000CFM , 10.5-12.5mm WC initial pressure drop &45mm WC final presure drop complete all as specified and directed by Engr in Charge

M&L for replacment of unsv flanged type combination filter EU4+EU-5, having aluminum MOC casing, HDPE+NW+AL Mesh fileter media , filtration effiency 95% down to 5 Micron, size 610x610x545x545x380mm, Air flow 1000CFM , 10.5-12.5mm WC initial pressure drop &45mm WC final presure drop complete all as specified and directed by Engr in Charge

M&L for replacment of unsv flanged type EU-4 grade Filters, having aluminum MOC casing, HDPE+NW+HDPE Mesh fileter media , filtration effiency 90% down to 10 Micron, size 230x535x50mm, Air flow 1000CFM , complete all as specified and directed by Engr in Charge

M&L for replacment of unsv flanged type EU-4 grade Filters, having aluminum MOC casing, HDPE+NW+HDPE Mesh fileter media , filtration effiency 90% down to 10 Micron, size 535x535x50mm, Air flow 1000CFM , complete all as specified and directed by Engr in Charge

M&L for replacment of unsv flanged type EU-4 grade Filters, having aluminum MOC casing, HDPE+NW+HDPE Mesh fileter media , filtration effiency 90% down to 10 Micron, size 305x305x50mm, Air flow 1000CFM , complete all as specified and directed by Engr in Charge Make:- Spectrun Filtration / Dyna Filter Pvt Ltd/ United filters/National Filter

M&L for replacment of unsv flanged type EU-4 grade Filters, having aluminum MOC casing, HDPE+NW+HDPE Mesh fileter media , filtration effiency 90% down to 10 Micron, size 610x610x50mm, Air flow 1000CFM , complete all as specified and directed by Engr in Charge

Testing of clean room-03 nos & Passage 01 Nos for verify the clean room requirment as per ISO- 8 in operation complied as per ISO- 14644. Testing of clean rooms shall be carried out through testing equipmets meeting the requirment of ISO 21501-4-2007 and calibrated from National Institute of Standard and Technology (NIST) only. Note: (i) Test report to be submit in triplicate. (ii) Testing shall be carried out through ISO 9001.205 Certified company

M&L for replacment of strip heaters 3 KW consisting of stainless steel sheathing having heat resistant chrome-nickel 80/20 element protected under best insulation to avoid the leakage of current and with screwed type terminal at one end, 240 volts, AC, 50Hz, single phase complete including taking out existing unsv heater from duct, AHUs complete all as specified and directed by Engr in Charge

M&L for halfyearly servicing of (2x 100 TR Running + 1x 100 TR as standby) screw type water cooled chiller unit by OEM service Engineer including cleaning of electric control panel & its parts, chiller units parts, checking all parameters of Microprocessor, MPD and other controls including repair if reqd and setting the parameters as per design and outside conditions, descalling of condenser and submission of service report to Engr in Charge Make of installed AC plant-Voltas Model- ACEGWFXR1001MLC242

M&L for replacment of unsv rubber star coupling of back pull out type pump set including making proper alignment and greasing of the pump & motor complete all as specified and directed by engr in Charge

Replacment of unsv humidistat with digital type humidistat with controller and wire to monitor humidity including interlocking with humidifire & dehumidifire complete all as specified and directed by Engr in Charge

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

M&L for taking Out old fills and S&F new PVC fills of cooling tower of 40 to 60 TR cap (bottle/rectangular type) after taking down cooling tower motor and keeping aside, cleaning the hydrent pipe, sprinkler assembly and inside complete body of cooling tower complete up to satifaction of Engr in Charge.

M&L for replacment of defective sprinkler assy of complete as per existing type & model of cooling tower cap 40 to 60 TR

M&L for servicing of pan type humidifier by cleaning of internal tank, checking of all electrical & electronics patrs & repair of the defective parts complete all as specified & directed by Engr in Charge

M&L for replacment of unsv digital humidistat controller as per existing make, model complete all as specified & directed by Engr in Charge.

M&L for replacment of unsv digital temperature controller as per existing make, model complete all as specified & directed by Engr in Charge.

M&L for halfyearly servicing of (1x26TR Running + 1x 26 TR as standby) scroll type water cooled chiller unit by OEM service Engineer including cleaning of electric control panel & its parts, chiller units parts, checking all parameters of Microprocessor, MPD and other controls including repair if reqd and setting the parameters as per design and outside conditions, descalling of condenser and submission of service report to Engr in Charge Make of installed AC plant-Blue star

M&L for attending emergant complaints by experienced refregeration mechaninc i.e pertaining to air central AC plants,conditioner any type ,water cooler any type refrigerator any type including carry out minor repairs etc as required to the system in order /functional complete all as specified and directed. Note :- spare parts will be measired and paid seperately under relavent item, complaint should be attendent within 24 Hrs.

M&L for charging of Refrigerant gas R-22 gas as per manufacturers instruction & as directed by Engr in charge.

M&L for charging of Refrigerant gas R-134a gas as per manufacturers instruction & as directed by Engr in charge.

M&L for charging of Refrigerant gas R-407 gas as per manufacturers instruction & as directed by Engr in charge.

Servicing and maintenance of dry air compressor by OEM or as directed by Engr-In-Charge. Make : Elgi22 Model EG22 Note: Servicing includes deep cleaning of equipment, checking of electrical connection, change of oil and coupling connection, change all the parts as per OEM recommended 40000 hrs kit.

Replacement of pre filter having flow rate 125 CFM as directed by engr-In-Charge. Make of air compressor ELGI22 Model 125

Replacement of fine filter having flow rate 125 CFM as directed by engr-In-Charge. Make of Air compressor ELGI22 Model 125

Replacement of Carbon filter having flow rate 125 CFM as directed by engr-In-Charge. Make of Air compressor ELGI22 Model 125

Servicing and maintenance of Laminar cum fume hood big size by OEM or as directed by Engr-In-Chargr. Test certificate shall be furnished by contractor before payment.

Servicing and maintenance of horizontal Laminar flow cabinate by OEM or as directed by Engr-In-Chargr. Test certificate shall be furnished by contractor before payment.

S&F and replacement of BLDC blower motor 1 HP, suitable for VRF outdoor plant (20 Ton) of Model No. IVRFB-24TCN complete including electrical wiring, programming, testing and taking down old unsv motor complete. All as directed.

Chaulya Enterprises (BID ID -3141164)