REPAIR AND MAINT OF CENTRAL AC PLANT AT LGJ MIL STN

Amount

Taking down, dismantling and opening of the compressor model SMC-4-65 (Make ACCEL) for servicing, cleaning, washing, machining and mechanical repair work etc. Checking of its all parts for serviceability/unserviceability and reassembling all serviceable parts all as per original, and replacement of defective parts as required for smooth functioning of the compressor and testing after erection in original position to the entire satisfaction of Engineer-in-charge complete all as specified and directed by Engineer-in-charge. Note :- (i) All defective/unserviceable spare parts/items required for over hauling shall be measured and paid for separately under appropriate items mentioned in BOQ here-in-after as supply and fixing. (ii) Gas charging and compressor oil shall be measured and paid separately under appropriate items of BOQ here-in-after as supply and charging.

Supply and fixing in replacement of connecting rod with bolts during reassembly of the compressor MODEL smc-4-65 Make-ACCEL after servicing complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Big end bearing complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Small end bearing complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Cylinder liner complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Compressor ring set complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Crank shaft main bearing complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Oil ring set complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Piston (Cat Part No E-14) complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Piston pin (Cat Part No E-13) complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Connecting rod bush complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Main Bush .010 Type complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Main Bush .030 Type complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Gudgeon Pin Bush complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of BRG washer complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of thrust washer complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Shaft seal assembly (Cat Part No. ASL6010R) complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Neoprene/Carbon ring set complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Oil filter for compressor complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Suction valve reeds complete all as specified and directed by Engineer-in-charge.

All as per Srl item 02 here-in-before but in replacement of Discharge valve reeds complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement teflon sheet and 'O' ring of suction shut off valve complete all as directed by Engineer-in-charge.

Supply and fixing in replacement teflon sheet and 'O' ring of discharge shut off valve complete all as directed by Engineer-in-charge.

Supply and fixing in replacement oil shut off valve complete all as specified and directed by Engineer-in-Charge. Make :- ACCEL/ SHANT/ SPORLAN

Supply and fixing in replacement pilot operated liquid solenoid valve complete all as directed by Engineer-in-Charge. Make :- SPORLAN/RANCO/SANLAN/ACCEL/SHANT

Supply and fixing in replacement liquid line valve of size 15mm dia complete all as directed by Engineer-in-Charge. Make :- CRYSTAL/RANCO/ACCEL/SHANT

Supply and fixing in replacement safety valve for compressor complete all as directed by Engineer-in-Charge Make :- AIREF/ACCEL/SHANT/ SPORLAN

Supply and fixing in replacement safety valve for condenser complete all as directed by Engineer-in-Charge. Make :- AIREF/ACCEL/SHANT/ SPORLAN

Supply and fixing in replacement control reversible oil pump complete all as directed by Engineer-in-charge. Make :- ACCEL or Equivalent

Supply and fixing in replacement HP cutout complete all as directed by Engineer-in-Charge. Make:- INDFOSS/ DANFOSS /L & T / ACCEL

Supply and fixing in replacement LP cutout complete all as directed by Engineer-in-Charge. Make:- INDFOSS/ DANFOSS /L & T / ACCEL

Supply and fixing in replacement oil pressure cut out switch complete all as directed by Engineer-in-Charge. Make:- INDFOSS/ DANFOSS /L & T / ACCEL

Supply and fixing in replacement water flow switch RC type R-62-MWA 150 PSIG Rating ELEC SPDP-250 volt AC-15 Amp complete all as directed by Engineer-in-Charge.

Supply and fixing in replacement humidstat complete all as directed by Engineer-in-Charge. Make :- HONEYWELL/SPORLAN or Equivalent

Supply and fixing crank case heating element complete all as directed by Engr-In-Charge Make:-ACCEL/L&T or Equivalent

Supply and fixing in replacement liquid line filter of size 40mm dia made of brass complete all as directed by Engineer-in-Charge. Make :- ACCEL /SPORLAN/CRYSTAL

Supply and fixing in replacement Fan Belt, B-72/B-74/B-76/B-88 for AHU/Comprssor/Blower motor complete all as directed by Engineer-in-Charge. Make:- FENNER/POLY/VENUS

Supply and fixing in replacement thermometer wall hanging type suitable for reading dry and wet bulb temperature in degree centigrade and Fahrenheit scale complete all as directed by Engineer-in-Charge. Make:- JOHNSON/DOCTOR or Equivalent

Supply and fixing in replacement heating element (2KW) strip type suitable for 32 TR AC Plant complete all as directed by Engr-In-Charge. Make : Daspass or Equivalent

Material and labour for Servicing of Air Handling Unit of Cap 32 TR by removing prefilter and micron air filter, cleaning/washing the filters, Checking and replacement of glands of Blower Motors and greasing/oiling of blower motor and reassembling of complete AHU complete all as directed by Engineer-in-Charge.

Material and labour for Overhauling and Servicing of Air Handling Unit of Cap 52 TR by removing prefilter and micron air filter, cleaning/washing the filters, Checking and replacement of glands of Blower Motors and greasing/oiling of blower motor and reassembling of complete AHU complete all as directed by Engineer-in-Charge.

Material and labour for Overhauling and Servicing of Air Handling Unit of Cap 104 TR by removing prefilter and micron air filter, cleaning/washing the filters, Checking and replacement of glands of Blower Motors and greasing/oiling of blower motor and reassembling of complete AHU complete all as directed by Engineer-in-Charge.

Material and labour for Opening of condenser shell and tube for servicing, cleaning integrally finned copper tubes of 15 mm dia and length upto 2 Mtr each, MS/ERW shell including replacement of unserviceable purge valve, reassembling and testing complete all as directed by Engineer-in-Charge.

Material and labour for servicing of cooling tower draft type for Cap 32 TR AC Plant by removing sludge, algae and cleaning the holes and strainer, removing all dust, mud from drain tray, opening of all honey comb filters and pressure washing of filters for cleaning of mud and sludge from fins and reassembling complete all as directed by Engineer-in-Charge.

Material and labour for servicing of cooling tower draft type for Cap 52 TR AC Plant by removing sludge, algae and cleaning the holes and strainer, removing all dust, mud from drain tray, opening of all honey comb filters and pressure washing of filters for cleaning of mud and sludge from fins and reassembling complete all as directed by Engineer-in-Charge.

Material and labour for servicing of cooling tower draft type for Cap 104 TR AC Plant by removing sludge, algae and cleaning the holes and strainer, removing all dust, mud from drain tray, opening of all honey comb filters and pressure washing of filters for cleaning of mud and sludge from fins and reassembling complete all as directed by Engineer-in-Charge.

Supply and charging refrigerant gas R-22 (Freon) up to the required pressure including T & P for charging at site and before charging checking of gas leakage, rectification of leakage in the entire system if any and testing on full load complete all as specified and as directed by Engineer-in-Charge.

Supply and charging refrigerant gas R-407C up to the required pressure including T & P for charging at site and before charging checking of gas leakage, rectification of leakage in the entire system if any and testing on full load complete all as specified and as directed by Engineer-in-Charge.

Supply and filling compressor oil (C-68) to its rated capacity as per compressor design complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement ball brass valves, high pressure, with polythene float and fly-nut complete, screwed for iron pipe or brass ferrule, suitable for 25mm bore pipe complete all specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement ball brass valves, high pressure, with polythene float and fly-nut complete, screwed for iron pipe or brass ferrule, suitable for 20mm bore pipe complete all specified and as directed by Engineer-in-Charge.

M& L for disconnecting monoblock of cap 10 HP from the site, dismaentling and transporting to the workshop for Servicing of mono block pump set capacity 10 HP including replacing gland packing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing, taking back to site, reassembling, installing to the foundation, testing and commissioning complete all as directed by Engineer-in-Charge

All as per Srl item No. 52 here-in-before but for capacity 05 HP complete all as specified and directed by Engineer-in-Charge

Supply and fixing in replacement PVC fins honey comb sheets upto 150 MM Thick suitable for cooling tower for 32 TR Central AC Plant, flow of water upto requirement of temperature limit for discharge pressure maintain complete all as directed by Engineer-in-Charge.

Repair to starter panel by replacing contactor type NHD 0, 25 Amp complete all as specified and directed by Engineer-in-Charge. Make- BCH/L&T/C&S

All as per Srl item No. 55 here-in-before but contactor type NHD 1, 40 Amp complete all as specified and directed by Engineer-in-Charge. Make- BCH/L&T/C&S

All as per Srl item No. 55 here-in-before but contactor type ML-2, 32Amp complete all as specified and directed by Engineer-in-Charge. Make- BCH/L&T/C&S

All as per Srl item No. 55 here-in-before but contactor type ML-3, 40Amp complete all as specified and directed by Engineer-in-Charge. Make- BCH/L&T/C&S

All as per Srl item No. 55 here-in-before but thermal over load relay 0 to 32 Amp complete all as specified and directed by Engineer-in-Charge. Make- BCH/L&T/C&S

All as per Srl item No. 55 here-in-before but time delay relay range 30 to 120 sec complete all as specified and directed by Engineer-in-Charge. Make- BCH/L&T/C&S/GIC

All as per Srl item No. 55 here-in-before but single phase preventer 415 volts VSP-2 type complete all as specified and directed by Engineer-in-Charge. Make- Minilec/L&T/C&S

All as per Srl item No. 55 here-in-before but push button adaptor with element including fixing screws complete all as specified and directed by Engineer-in-Charge.

All as per Srl item No. 55 here-in-before but push button pendants with 2 push complete including fixing screws complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement HRC fuse 50 Amp complete all as directed by Engineer-in-charge. Make : Siemens/GEC/L&T/BCH

Supply and fixing in replacement HRC fuse 125 Amp complete all as directed by Engineer-in-charge. Make : Siemens/GEC/L&T/BCH

Supply and fixing Chilled water temperature sensor complete all as specified and directed by Engineer-in-charge.

Servicing of CT fan of 32 TR AC plant by replacing bearing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Servicing of CT fan of 52 TR AC plant by replacing bearing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Servicing of CT fan of 104 TR AC plant by replacing bearing and nut bolts as per existing size on both side, greasing, including replacement of defective ball bearing complete all as directed by Engineer-in-Charge

Supply and fixing in replacement thermostatic expansion valve suitable for 32 TR AC plant complete all as specified and directed by Engineer-in-charge. Make :- ACCEL/ SHANT/ SPORLAN

Supply and fix suction pressure gauge(0 -150 PSI) complete all as specified and directed by Engineer-in-charge.

Supply and fix discharge pressure gauge (0-300 PSI) complete all as specified and directed by Engineer-in-charge.

Supply and fix oil pressure gauge (0-150) complete all as specified and directed by Engineer-in-charge.

Supply and fix condenser water pressure gauge (0-10 Kg/cm2) complete all as specified and directed by Engineer-in-charge.

Supply and fix chilled water pressure gauge (0-10 Kg/cm2) complete all as specified and directed by Engineer-in-charge.

M&L for insulation of MS Chilled water pipe line with PUF Slab 40 mm thick and including applying bituminous compound and GI Cladding with 26 gauge GI Sheet complete of size 100 mm bore complete all as specified and directed by Engr-In-Charge

Supply installation testing and commissioning in replacement of scroll type water cooled compressor 13TR capacity suitable for R407 Refrigerant operatrd by 15 HP, 3 Phase motor operatable on 50HP, 440 volt AC electric supply, the compressor shall be compatable for exixsting AC Plant, having following technical parameters, Pressure rating LP side-25 bar, HP side -31.9 bar, TS Max- LP side -54degree celcius, HP side- -65 degree celcius, TS MIN-35 dwgree celcius model no. SZ185S4RC of DANFOSS COMMERCIAL COMPRESSOR OR EQUIVALENT complete all as specified and directed by Engineer-in-charge.

Supply and fixing fan motor assembly with Set of FRP fan blade (Blades-04 Nos) upto 30 Inch Sweep, fan motor of cap 3.0 HP-01 Nos, Sleeve of suitable size for fixing in cooling Tower of any capacity upto 104 TR complete all as specified and directed by Engr-In-Charge. Note : The rates quoted by the tenderer shall be deemed to be ionclusive the cost of fan motor of 3.0 HP, fan blades, and sleeve complete assembly nut/bolt/washer etc. Old UNSV Fan motor will be deposited to MES Store.

M&L for duct insulation with rasin bonded fibre glass wool roll of density 24 Kg/Cum with factory laminated Al Vapour barreir, thickness of insulation 25 mm complete all as specified and directed by Engr In Charge

Supply and fix air dampers as per existing size suitable for 32 TR AC plant complete all as specified nad directed by Engr In Charge

Supply and fix air filters of suitable size of 0.3 micron for AHUs to Centralised AC Plant of capacity 32 TR Complete all as specified and directed by Engr In Charge

Supply and fixing in replacement Sprinkler system of 5 Mtr Dia sweep made of GI Pipes upto 50 MM dia-04 Nos with FRP Sheet Side blades of Pipes in the cooling tower and free to revolve about central axes and sprinkler spindle head mounted on beraing complete all as specified and directed by Engr-In-Charge.

M & L for Descaling of condenser tubes (of any capacity )required to meet the designed pressure conditions and cooling specifications for desired rate of flow of refrigerant in compressor and water in condenser. The descaling shall be carreid out by using chemical wash of copper tubes of condensor by pumping sufficeint qty of descaling chemical agent (descaling Agent UNI CLEAN-P) so as all debris and scales depposited on the walls of condensor tubes shall be removed complete including replacement of gasket etc all as specified and directyed by Engr-In-Charge

S&F in repair automatic star delta starters in sheet steel enclosure AC-3 duty, 415 V, 10 HP,with ralay range 15-30 A complete all as specified and directed by Engr-In-Charge Make- L&T/ ENGLISH ELECTRIC/ STANDARD/ SIEMENS/ CROMPTON GREAVES

Supply and fixing in repair PCB containing Microprocessor suitable for control panel of scroll type compressor suitable for AC Plant 52 TR of Make Voltas complete all as specified and directed by Engineer-in-charge.

Supply and fixing in repair PCB containing Microprocessor suitable for control panel of scroll type compressor suitable for AC Plant 104 TR of Make Blue Star complete all as specified and directed by Engineer-in-charge.

Material and labour for scratching out the existing paint with emery/ sand paper from exposed external surface of compressors and motors, AHU, Cooling tower, pipe lines of AC Plant of 32 TR Prepration of surface and filling up the scratches with putty and applying spray painting with gun by using DUCO Paint and marking S/I no. SM NO. MES No. all as directed by engineer in charge.

All as per Srl item No. 93 here-in-before but AC Plant of 52 TR complete all as specified and directed by Engineer-in-Charge.

All as per Srl item No. 93 here-in-before but AC Plant of 104 TR complete all as specified and directed by Engineer-in-Charge.

Labour tool and plant for atending complaints of breakdown of AC Plant. This item includes recieving of complaints from JE E/M, adressing the complaints checking the electrical and mechanical fault in the system, necessery T&P required for the same. minor spare parts and transportation as directed engineer in charge. replacement of defective items shall be measured and paid seprately under respective item of this schedule. Note:- The contractor has to adress the fault with in 06 hrs from reciept, after that penalty 200/hr will be imposed.

M&L for Servicing of Chilling package of (52 TR Capacity) Scroll type refrigeration Compressor ( Make-Blue Star Ltd) with R407C refrigerant with Microprocessor panel and suction and Discharge control valves including checking of refrigerant filter, drier core, lubrication of bearings and other moving parts, checking of mechanical lekage complete all as specified and directed by the engineer in charge. Note : one set of 52 TR (04x 13 TR ) will be considered as one job

M&L for Servicing of Chilling package of (26 TR Capacity) Scroll type refrigeration Compressor ( Make-Blue Star Ltd) with R407C refrigerant with Microprocessor panel and suction and Discharge control valves including checking of refrigerant filter, drier core, lubrication of bearings and other moving parts, checking of mechanical lekage complete all as specified and directed by the engineer in charge. Note : one set of 26 TR (02x 13 TR ) will be considered as one job

Complete rewiring of AC LT Panel installed for operation of AC Plant 32 TR to 104 TR with suitable size of copper wire along with suitable size of lugs, bolts , nuts and washers and providing of LP/HP oil pressure cut out for its operation complete all as specified and directed by Engr-In-Charge

Singla Electricals (BID ID -3509358)

Lalgarhia Enterprises (BID ID -3512224)

Dashmesh Construction Company (BID ID -3516239)