REPAIR AND MAINT OF AC PLANTS, FIRE FIGHTING BMS AND MISC ITEMS AT DRDO AT MIL STN JAISALMER UNDER GE (A) JAISALMER

Amount

Servicing of central air conditioning plant of capacity 3 x150 TR as per manufactures manual of preventives and comprehensive maintenance and with periodicity mentioned there in as per particular specification including servicing of plant installed at Site under Mil Stn Jaisalmer through OEM i.e. Carrier Aircondition Ltd. or their authorised service agency for equipments as listed below:-

(xiii) Winter humidification package consisting of humidifier tank, valve controls sight glass, two bank water heater electrical panel, safety controls etc-44 Nos. (xiv) Supply air ducting complete, aluminum section grills/diffusers its dampers, fire dampers complete. (xv) Cubical type floor mounted main LT panel complete consisting control switch gear, starters of pump sets, cooling towers and its single phase preventers, no volt and under volt protection system, meters indication lamps complete-01 No. (xvi) Sub control panel provided for AHUs including controls starter meters and protection system -44 Nos. (xvii) Central control console panel comprising of ON/OFF push buttons and ON/OFF indication lights -01 No. (xviii) LT cables from main electrical panel to compressor motor, Pump motors, cooling tower motors, sub panels of AHUs units and control cables of central console panel complete –01 lot. (xix) Windows based graphical user software, web based with GUI, Alarming, reporting software as per specifications with minimum one multi user facility, Building Management System,Siemens -01 Lot.

(a) 03 x 150TR Screw type compressor Chiller plant Air cooled type chiller model no.- 30 x A0652, nominal cooling capacity - 644 kW, total air flow- 45140 l/s, cooling water entering temp 12 degree Centigrade , Leaving water temp 7 degree centigrade, Refrigerant HFC - 134a, nominal water flow - 31 l/s, Rpm - 950, Make : Carrier Aircondition Ltd. along with motor and its condenser, microprocessor based control panel complete system through OEM or their authorized service Agency including submission of preventive periodical service reports from OEM or their authorized service Agency. Total no of srew type chiller units -03 Nos. (b) Servicing and routine maintenance of following equipments:- (i) Condensing pump sets along with motors of 600 USGPM -03 Nos. (ii) Chiller pump sets along with motors of 400 UPGPM -03 Nos. (iii) Pumping set for hot water circulation 25 HP-02 Nos. (v) Condenser water pipe lines and its control vales complete-Lot. (vi) Chiller water pipe lines and its control valves – lot. (vii) AHUs complete with accessories such as casing, chilled water coil, hot water coil, any type of air filters, drive motors control panel etc complete-44 Nos. AHUs (1200 CFM -40 nos, 8500 CFM -02 Nos, 10800 CFM -02 nos (iii) Expansion tanks including their insulation for chilled water and hot water system-02 Nos. (ix) Electrical operated hot water generator of Cap 45 KW complete with automatic and safety controls such as safety valve, purge valve, high limit cut out, automatic and manual reset, low level cut out stop controller, thermostat, heaters including its control panel-04 Nos. (x) Hot water pump set along with motor and control valves controls provided at each pump set-04 Nos.

(xi) Hot water piping, insulation, fittings control valves connected between hot water unit to pump set and pump set to various AHUs-Lot. (xii) Controls for AHUs comprising of three way mixing valves with modulating motor, thermostat and humidistat-44 Nos Notes:- 1. The maintenance as specified under this contract shall be done through OEM ie Carrier Aircondition Ltd or their authorised service agency.

Disconnecting the electrical connection & taking down the burnt out motor from any location and transporting to workshop for repair, dismantling the motor & taking out burnout copper winding and rewinding the same with super enamelled copper wire as per existing guage including replacement of bearings & correcting minor defects, reassembling, transporting motor from workshop to site, reinstalled at site, recoonecting, testing and commissioning complete all as specified & directed by Engineer-in-charge.

(a) 0.25/0.5 HP humidifier pump motor, 3 Phase, 450 Volts

(b) 1 HP motor of Ceilling suspended AHU, 3 Phase, 440 Volts

(b) 1.5 HP motor of Hot water Generator, 3 Phase, 440 Volts

(c) 5 HP motor of AHU, 3 Phase, 450 Volts

(d) 7.5 HP motor for Fire fighting pump set, 3 Phase, 450 Volts

(e) 10 HP motor , 3 Phase, 450 Volts

(f) 20 HP motor of Chiller water pump, 3 Phase, 450 Volts

(g) 25 HP motor for fire fighting pump set, 3 Phase, 440 Volts

(h) 75 HP motor for fire fighting pump set, 3 Phase, 440 Volts

Dismantling and taking down unserviceable flow switch sensor of chiller 150 TR capacity , Make : Carrier model no GOPPG000030500 and refixing the same type/make/size, testing and commissioning complete all as specified and directed by Engineer-in-charge.

Dismantling the Chiller water monoblock pump set of capacity 20 HP and taking down the U/S Mechanical seal from the pump and refixing the same after replacement of Mechanical seal RMG 12-24 mm Rolon Seals , Model no :- NL 55/160-44 as specified and directed by Engineer-in-Charge.

Dismantling the Chiller water monoblock pump set of capacity 20 HP and taking down the U/S Coupling model no. RRS-110/100 of the same and refixing after replacemnt of coupling set of three pieces model no of pump :- NL 55/160-44 as specified and directed by Engineer-in-Charge.

Taking down the U/S coupling rubber Make Unimac, Size L-110 from the Monoblock pumpset and replacing the same with new one of same make including fixing the pump in original position with alignment and testing of proper functioning complete all as specified and directed by Enginner-in-Charge.

S&F, in repair of foot valve of size 65 mm Dia. Make : Prayag as specified and directed by Engineer-in-Charge.

S&F of, in repair float valve made of Brass ofsize 25 mm Dia. Make : Prayag as specified and directed by Engineer-in-Charge.

S&F , in repair of Temp Relative Humidity sensor model no QFM2160E make;SEIMENS as specified and directed by Engineer-in-Charge.

S&F, in repair of Temperature sensor model no QAE2120.010 make;SEIMENS as specified and directed by Engineer-in-Charge.

S&F, in repair Electric expansion valve type ETS 100B , Cat Partno. O34 G 0506 Make : Danfoss as specified and directed by Engineer-in-Charge.

S&F, in repair of Electric expansion valve type ETS 400 , Cat Partno. O34 G 3503 Make : Danfoss as specified and directed by Engineer-in-Charge.

S&F in repair, drier filter for 150 TR AC plant model no VCR -09621S complete all as specified and directed by Engineer-in-charge. (Make :- Denforce, Indoforce).

Supply and charge refrigerant gas HFC-134a in AC plant, of 150 TR capacity complete all as specified & directed by Engineer-in-charge.

Dismantling and taking down U/S Economiser from the AC Plant and Replacing the same with new one of capacity PS-22 Bar, MWP-319 PSIG, mode3l no 034Z0086 Of the same make as of original including installing the economiser in original position as per manufacturer norms and testing it for proper functioning all as specified & directed by Engineer-in-charge.

S&F in repair V Belt A-24 type complete all as specified & directed by Engineer-in-charge. (Make : Fenner or equivalent approved by GE

S&F in repair V Belt A-44 type complete all as specified & directed by Engineer-in-charge. (Make : Fenner or equivalent approved by GE

S&F in repair, air vent valve suitable for 150 TR capacity AC plant make Castle/Sant complete all as specified and directed by Engineer-in-charge.

S&F in repair, water pressure gauge round type analog made out of brass for AC plant 150 TR capacity 100 PSI including syphon complete assembly Make : Baumer complete all as specified & directed by Engineer-in-charge.

S&F in repair, temperature gauge for 150 TR AC plant 0 t0 50 degree centigrade make - Baumer complete all as specified & directed by Engineer-in-charge.

S&F in repair, water flow switch for 150 TR AC plant 250v, 1" NPT WFS 6000 150 PSI 15 A make : Honeywell complete all as specified and directed by Engineer-in-charge .

S&F in repair, cooler flow switch for 150 TR AC plant 1 FM make : Honeywell complete all as specified and directed by Engineer-in-charge .

S&F in repair, gun metal globe or gate valve with iron wheel head screwed both ends for iron pipe, including provn of one union complete all as specified of size 25 mm bore pipe complete all as specified & directed by Engineer-in-charge.

S&F in repair, gun metal globe or gate valve with iron wheel head screwed both ends for iron pipe, including provn of one union complete all as specified of size 65 mm bore pipe complete all as specified & directed by Engineer-in-charge.

S&F in repair, butterfly valve of 150 mm suitable for 150 TR capacity AC plant Make- castle/Sant complete all as specified and directed by Engineer-in-charge.

S&F in repair, butterfly valve of 50 mm suitable for 150 TR capacity AC plant Make- castle/Sant complete all as specified and directed by Engineer-in-charge.

M&L in repair of relay 8 pin type MK 2P.N 250 Volt AC/28 VDC 10 A/ 250VAC/7A complete all as specified and directed. Make OmRCN or equivalent.

M&L in replacement of oil , specially specified for 3 Nos Chiller plant Siemens Make, Model 00PSY130014100 complete all as per original make all as specified and directed.

Fabricate, Supply & install 3 TR CSU Blower all as per sample, fixing at site as per original position, testing etc complete including taking down the old blower all as directed.

Angle/channel , bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint.

Supply and fixing in repairs Pipes galvanised , " Medium " , on wall, ceiling, roof complete including fittings 15 mm ( 1/2") dia and taking down of US pipe complete all as specified and directed.

Supply and fixing in repairs Pipes galvanised , " Medium " , on wall, ceiling, roof complete including fittings 20 mm ( 3/4") dia and taking down of US pipe complete all as specified and directed.

Supply and fixing in repairs Pipes galvanised , " Medium " , on wall, ceiling, roof complete including fittings 25 mm ( 1") dia and taking down of US pipe complete all as specified and directed.

Supply and fixing in repairs 0.25/0.5 HP humidifier pump set, 3 Phase, 450 Volts complete all as specified and directed

S&F, in repair of 3 way solenoid valve with Actuator for operating at 0-10 V DC supply for hot water as per specification along with Thermostate control, 25mm dia complete all as specified and directed. Make- Siemens or equivalent in JUVENTA/ AIP/ ADVANCE/ SUZLON/ DANFOSS

S&F, in repair of 3 way solenoid valve with Actuator for operating at 0-10 V DC supply for hot water as per specification along with Thermostate control, 40mm dia complete all as specified and directed. Make- Siemens or equivalent in JUVENTA/ AIP/ ADVANCE/ SUZLON/ DANFOSS

S&F, in repair of 3 way solonoid valve with Actuator for operating at 0-10 V DC supply for hot water as per specification along with Thermostate control, 32mm dia complete all as specified and directed. Make- Siemens or equivalent in JUVENTA/ AIP/ ADVANCE/ SUZLON/ DANFOSS

S&F, in repair 25mm dia Ball valves made of gun metal, without strainer of PN 16 Rating as per engineering standards and specifications.(For Hot water system),complete all as specified and directed.

S&F, in repair 32 mm dia Balancing valves made of Cast iron/Gun metal of PN 16 Rating as per engineering standards and specifications.(For Hot water system), complete all as specified and directed.

S&F, in repair 50 mm dia Balancing valves made of Cast iron/Gun metal of PN 16 Rating as per engineering standards and specifications.(For Hot water system), complete all as specified and directed.

S&F, in repair for 3 way motorised valves with Actuator for operating at 0-10 V DC supply for chilled water as per specification of relevant IS alongwith thermostate control, 65mm dia complete all as specified and directed.

S&F, in repair for 3 way motorised valves with Actuator for operating at 0-10 V DC supply for chilled water as per specification of relevant IS alongwith thermostate control, 50mm dia complete all as specified and directed.

Disconnecting & taking down monoblock pumpset, 20 HP, 3 phase from site and transporting to workshop for servicing & repair, Dismantling the pump set, cleaning of impeller, replacement of bushes, bearings, check nuts, greasing etc and reassembling, testing, transporting from workshop to site, reconnecting, testing and commissioning complete all as specified & directed by Engineer-in-charge.

Disconnecting & taking down monoblock pumpset, 25 HP, 3 phase from site and transporting to workshop for servicing & repair, Dismantling the pump set, cleaning of impeller, replacement of bushes, bearings, check nuts, greasing etc and reassembling, testing, transporting from workshop to site, reconnecting, testing and commissioning complete all as specified & directed by Engineer-in-charge.

Disconnecting & taking down monoblock pumpset, 5 HP, 3 phase from site and transporting to workshop for servicing & repair, Dismantling the pump set, cleaning of impeller, replacement of bushes, bearings, check nuts, greasing etc and reassembling, testing, transporting from workshop to site, reconnecting, testing and commissioning complete all as specified & directed by Engineer-in-charge.

S&F, in repair hot water generator heating coil suitable for hot water generator of capacity 45 kW make ; Emerald, Each coil having capacity of 15 kW and of the same make as of original including testing and commissioning complete all as specified & directed by Engineer-in-charge.

Servicing only ACB with Misroprocessor, Range (1250Amps) 415V, 50Hz,50 KA and Electrical Panel complete all as specified and directed by the OEM.

S&F in repair, MCB SP 6-32A Make : Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, MCB TP 32A Make : Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, MCB TP 63A Make : Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, MCB TPN 20A Make : Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, MCCB 20 Amp Make ;Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, MCCB 40 Amp Make ;Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, MCCB 160 Amp Make ;Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, MCCB 250 Amp Make ;Seimens/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor 300 A Model 3RT1066-6 Coil Volt-110V Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor 200 A Model 3RT1056-6 Coil Volt-110V Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor MNX 9A Coil Volt-220V Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor MNX 12A Coil Volt-220V Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor MNx 32A Coil Volt-240V Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor ML 1.5 Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor ML 6 Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor MNx 18A Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Power contactor 25A Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Electronic Star-Delta Timer type ST100 160 - 500V, for 3 - 30 sec Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Over load Protector of capacity 2A-4A Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Over load Protector of capacity 3A-4A Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, Over load Protector of capacity 9A-12A Make: Seimenss/L&T/Scheneider complete all as specified and directed by Engineer-in-charge.

S&F in repair, phase sequence relay for AC sub panel complete all as specified and directed by Engineer-in-charge. (Make: BCH/TC/L&T

S&F in repair, single phase preventor having five protection complete all as specified and directed by Engineer-in-charge. (Make: Minilac/EAPL/Technica).

S&F in repair, indicator lamp LED type complete all as specified and directed by Engineer-in-charge

S&F in repair, push botton switch 220 Volts, 15 Amps all as specified and directed by Engineer-in-charge

S&F in repairs Pipes galvanised , " Medium " , on wall, ceiling, roof complete including fittings 50 mm ( 2") dia and taking down of US pipe complete all as specified and directed.

S&F in repairs Pipes galvanised , " Medium " , on wall, ceiling, roof complete including fittings 80 mm ( 3") dia and taking down of US pipe complete all as specified and directed.

S&F in repairs Pipes galvanised , " heavy " , on wall, ceiling, roof/floor/underground complete including fittings and earthwork and excavation, welding jointing etc of 80 mm ( 3") dia and taking down of U/S pipe including making good the distrurbed surfaces (PCC, Road, wall, floor, insulation plaster etc) complete all as specified and directed.

Supply & install Gun-metal, globe or gate valves,with iron wheel head, screwed both ends for iron pipe and fixed of size 15 mm dia

Supply & install Gun-metal, globe or gate valves,with iron wheel head, screwed both ends for iron pipe and fixed of size 20 mm dia

Supply & install Gun-metal, globe or gate valves,with iron wheel head, screwed both ends for iron pipe and fixed of size 25 mm dia

Supply & install Gun-metal, globe or gate valves,with iron wheel head, screwed both ends for iron pipe and fixed of size 50 mm dia

S&F in replacement of UPS battery wet type 12 Volt 42 AH all as specified and directed Make-Exide/Amron

JAI ENGINEERING COMPANY