GE (N) P/TOKEN- 54 OF 2022-2023 REP/REPLACE/MAINTOF CENTRAL TYPE AC, PACKAGE TYPE AC SYSTEM, COOLING TOWERS AND REP TO ELECTRIC CONTROL PANELS AND OTHER CONNECTED WORKS AT SCSR, HQ SC IN THE AREA OF AGE E/M N UNDER GE (N) PUNE

Amount

M&L for servicing of elect control panel of AHU central/chiller type AC Plant by cleaning the panel with blower, checking of electric circuits/connections, 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 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 etc. will be measure and paid separately (ii) Minor parts like thimbles, tags, nut, bolts, washers etc shall be deemed to be included in item rate

M&L for servicing of 30 to 100 TR screw type water cooled chiller unit by authorised OEM service Engineer of voltas including cleaning of electric control panel & its parts, chiller units parts, checking all parameters of Microprocessor, MVPD and other controls including repairing of PCB /MVPD if reqd and setting the parameters as per design and outside conditions, descaling of condenser top up of refrigerant gas, oil if required and submission of service report to the Engr in Charge from authorised dealer of voltas. Make of installed AC plant-Voltas Note: spares, Refrigerant gas & oil shall be measured and paid in respective items.

M & L for unserviceable Voltas screw type chiller controller with program/software updating complete all as specified and directed by Engr-in-charge .

Supply and fix in replacement of unserviceable MCS CT (CX1) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable MCS EXV drive controller complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable voltas display board with keypad set complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable MCB TPN 10 Amp C series complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable play relay (Sulzer MKG-2) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable voltage protection device complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable emergency switch complete all as specified and directed by Engr-in-charge

Supply and fix inreplacement of unserviceable contactor (3TS49) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable fuse unit (160 Amp) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Discharge tranducer and suction tranducer complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Oil level switch complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable catch all core drier complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Compressor oil (solest 120) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable suction side Gas pressure relief valve (200 psi) size 1/2 complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Discharge side Gas pressure relief valve size 1/2 (250 Psi) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Oil return line solenoid coil valve set complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable compressor loading/unloading coil complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable chiller line water pressure different switch (Danfoss) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable condenser line water pressure different switch (indfoss) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable CT fan auto switch (Danfoss) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable water flow switch complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable electronic expansion valve complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable chiller and condenser line sensor complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable discharge temprature sensor complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable economizer solenoid vave and coil (TKC-2) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable compressor oil heater (300 watts) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable liquid line sensor complete all as specified and directed by Engr-in-charge

M & L for repairing of unserviceable 100 TR screw compressor dismantling shaft seal, oil filters, pressure relief valve and reassembled after testing including pressure holding test with N2 for 24 hrs and non CFC gas charging complete all as specified and directed by Engr-in-charge. Note:- R134a gas charging will be measured and paid separately under relevent items.

Supply and fix in replacement of unserviceable AHU V belt size B130 complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable 15KW, 10 HP motor complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable limit switch complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable AHU blower motor shaft bearing complete all as specified and directed by Engr-in-charge

Preventive maint for quarterly complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Condensor motor bearing and water seal complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable AHU 1/4 Drier complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Solenoid coil with assembly complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Danfoss expansion valve (TGE 15 TR) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Fan pully size 190 x 2A complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable of unserviceable Motor pully size 125 x 2A complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Limit Switch complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable V Belt Size A55 complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable AHU blower motor shaft bearing complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Compressor Oil POE160 SZ complete all as specified and directed by Engr-in-charge.

M&L Preventive maint for quarterly complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Condensor motor bearing and water seal complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable MVPD complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable MCB TPN (C40) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Transformer complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Voltas Delux HMI complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Siemens Contactor(3TF33) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Voltas display board with program complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Compressor Oil Heater 200 watts complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Condensor line water diffential Switch (indfos) complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Emergency Switch complete all as specified and directed by Engr-in-charge.

Supply and fix in replacement of unserviceable Suction tranducer and discharge tranducer complete all as specified and directed by Engr-in-charge.

M&L for taking out existing Unsv 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 POE160SZ, 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. Note:- Refrigerant gas shall be measured and paid in respective item.

Supply and fix in replacement of unserviceable Drier (EKD 307) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable PVR (350 PSI) relief valve complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable MCB TPN (C32) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable MCB TPN (C2) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Overload Relay Range (0 to 10 amp) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Phase Relay (USP D1) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable L & T Star Delta Timer complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Auxiliary Switch (2NO/2NC) complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable L&T Contactor MNX25 complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Indicator Lamp Green Colour complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Indicator Lamp Red Colour complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Indicator Lamp Yellow Colour complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Indicator Lamp Blue Colour complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Start Push Button complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Stop push button complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable L&T VAF Meter complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable L&T KWH Meter complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Connector 25mm complete all as specified and directed by Engr-in-charge

Supply and fix in replacement of unserviceable Connector 63mm complete all as specified and directed by Engr-in-charge

M&L for replacement of old unsv MCCB TP-160 amps current carrying capacity 36KA AC 415 Volts four pole with adjustable magnetic/ thermal setting having Ics=100%Icu complete all as specified and directed. Make- Legrand/L&T/Siemens.

M&L for replacement of old unsv MCCB TPN-630 amps current carrying capacity 50KA AC 415 Volts four pole with adjustable magnetic/ thermal setting having Ics=100%Icu complete all as specified and directed. Make- Legrand/L&T/Siemens.

M& L Quarterly preventive maintenance of chiller and AHU all as specified and as directed by Engr-in-charge.

M&L for Condensor pump bearing and seal replacement

M&L for descaling of condenser 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 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 of following:-

Capacity up to 30 TR

Capacity up to 100TR

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

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 unsv burnt electric motor of compressor/Cooling Tower/Blower/condenser 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 unsv 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.

Up to 1 HP single Phase

5 HP to 7.5 HP 3 phase

M&L for taking down, dismantling complete 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 5 to 7.5 HP pump complete all as specified and directed by Engr in charge.

M&L for taking out U/S air filters of any capacity and size (610x610x300mm) as per site requirement incl 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 painted 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 U/S air filters of any capacity and size (610x610x50mm) as per site requirement incl 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 painted 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 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 req at site complete all as directed by Engr-in-charge.

M&L for servicing of cooling tower motor of capacity 5 to 7.5 HP, greasing, replacement of u/s 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 water cooled condenser unit of chiller 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 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 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 unsv 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 butter fly valve including taking out existing unsv butter fly valve and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line) of following size

(a) 50 mm dia

(b) 65 mm dia

(c) 100 mm dia

M&L for replacement of Non return valve (NRV) including taking out existing unsv butter fly valve and making good to the disturbed surface matching to existing specification (i.e. insulation of chiller/condenser pipe line) of following size

(a) 50 mm dia

(c) 100 mm dia

M&L for replacement of condensor/chiller water pressure gauge including taking out existing unsv 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 unsv 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 in replacement of old unsv as per sample all as specified and as directed.

M&L for replacement of spray pump 0.5 HP including taking out existing unsv 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 unsv 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

S&F Rotational mounted triple layer polyethylene water storage tank (square type 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

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

S&F Rotational mounted triple layer polyethylene water storage tank (cylindrical vertical with closed top) 2,000 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

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

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

M&L for carefully painting on 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 one complete plant taken as one job

M&L for taking out Unsv 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 of central AC plants 50 to 100mm 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.

M&L for replacement of unsv water strainer of size 65mm 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 water strainer of size100mm 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 Supply and lay M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of size 50mm including replacement of Unsv rusted nut bolts, washers, & gasket, flange welding complete all as required at site & directed by Engr in charge.

M&L for replacement of unsv Supply and lay M S Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of size 100mm including replacement of Unsv rusted nut bolts, washers, & gasket, flange welding complete all as required at site & directed by Engr in charge.

M&L for Welding cutting and brazing of MS pipe for fixing flange reducer etc at site as per requirement all as per specified and directed as Engineer-in-charge.

Supplying and laying of CPVC pipes of 25mm SDR 11 & Plain CPVC SDR 11 fittings in trenches complete all as specified.

M&L for duct insulation with resin bonded fibre glass wool roll of density 24 kg/Cum, with factory laminated aluminium vapour barrier, thickness of insulation as specified and including the following:- → (a) M&L for cleaning the duct surface (to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage. (b) M&L for applying rubber based adhesive CPRX compound. (c) M&L for sealing of all longitudinal joints and circular overlaps with and including Aluminium foil tape 50 mm wide, to make the insulation leakproof. (d) M & L for securing the insulation with and including mechanically fastened nylon/ steel straps of size 12 mm/50 mm at maximum intervals of 1.2 mtr.

Note : 1. Performance 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.

K SONS