PROVIDING SERVICES FOR OPERATION OF AC PLANTS AT JOC, ND SCHOOL, NSRY AREA INCLUDING PERIODICAL PREVENTIVE MAINTENANCE OF COLD STORAGE AT BV YARD, INHS SANJIVANI , REPAIR /MAINTENANCE OF ELECTRICAL CONTROL SYSTEMS OF CERTAIN CENTRAL AND PACKAGE AC

Amount

Providing services of One AC mechanic per shift for central/package type AC Plants from 0600 hours to next day 0600 hours in three shifts per day and night (i.e 8 hours per shift) including sundays and holidays asper users requirement during summer/monsoon/winter and maintain the inside temperature and RH as per design and/or the requirement of users (where air conditioning have been provided) including carrying out of daily check up and cleaning complete all as specified and as directed by the EIC for the following plants installed at locations shown:-:- At JOINT OPERATION CENTRE(K) (i) 26 X2 =52 TR capacity (In operation) (ii) 26 X1=26 TR capacity (As Stand by)

Providing services of one AC mechanic for central AC plants from 0800 hours to 1600 hours as per users requirement during summer/ monsoon/ winter and maintain the inside temperature and RH as per design and/ or the requirement of users (where air conditioning have been provided) including carrying out of periodical check up and cleaning complete all as specified for the following plants:- At Navigation Direction School (excluding sunday/holidays) (i) 75X2 =150 TR capacity (In operation) (ii) 75X1=75 TR capacity (As Stand by)

All as above item no - 02.00 Naval Ship Repairing Yard(excluding sunday/holidays) (i) 75X2 =150 TR capacity (In operation) (ii) 75X1=75 TR capacity (As Stand by)

Preventive Maintenance of Bi monthly and check up of Bitzer Blast cold storage 48000 BTU of 2 units including 2 ODU+ 2 IDU (-)30 °C operation wih R- 404A Refrigerant gas two stage, semi hermatically sealed compressor consisting 4 cylinder, controlled with electronically operated solinoid valve for liquid system,complete all as specified and directed.

Preventive Maintenance Bi monthly and check up of Danfoss cold room plant (-)18 °C with(50000 BTU) of 3 units including 3 ODU +3 IDU, R-404 A Regrigerant.The compressor hermatically sealed , equipped with electronically controlled solinoid valve system. The system have individual accumulated to varify and controll the liquid gas flow including micro processor controlled electrical panel indoor blower unit controlled with fans and other electrical circuites with electronically operated solinoid valve for liquid system,complete all as specified and directed

Preventive Maintenance Bi monthly and check up of Blue star cold room of capacity upto 30000 BTUof 4 units including 4 IDU+4ODU, R-22 Refrigerent temp to be stabled +4 °C equipped with electrically operated micro processor controll panel including blower fans and other electrical circuites of the system to be checked complete all as specified and directed by Engr-in-charge.

Preventive Maintenance Bi monthly and check up of Bluestar cold room at sanjivani Hospital plant (-)18 °C with(10000 BTU) of 2 units including 2 IDU + 2 ODU,R-404 A Regrigerant. The compressor hermatically sealed. Equipped with electronically controlled solinoid valve system. The system have individual accumulated to varify and controll the liquid gas flow including micro processor controlled electrical panel indoor blower unit controlled with fans and other electrical circuites of the entire system to be checked complete all as specified and directed by Engr-in-charge.

Preventive Maintenance Bi monthly and check up of Blue star cold room at sanjivani hospital temp to be stabled +4 °C with capacity upto 12000 BTU of 2 units including 1 IDU+1 ODU ,R-22 Refrigerent inculding in door blower unit equipped with electrically operated micro processor controll panel including blower fans and other other lectrical circuites of the system to be checked complete all as specified and directed by Engr-in-charge.

Note for sr No 5 to 8 (a) All Major spares shall be measured and paid under relevant items Here in after. (b) Each servicing/checkup of cold storages by OEM/authorised dealers shall be carried out once in two months up to contact duration, and at any time of breakdown call by MES rep. (c)The job above quoted shall be included for all labour cost, except elctrical control panels with parts

Supply and fix of digital temprature gauge of subzero model SZ7504 of working Temperature range -50°C to +99°Ccomplete all as specified and directed.

Supply only Catchall -sub cooling Make: Danfoss/Indfoss

Supply only liquid line drier ( Model 604) Make: Danfoss/Indfoss

Supply only HP/LP Switch Make: Danfoss/Indfoss

Supply only Oil Pressure Switch Make: Danfoss/Indfoss

Supply only Solenoid Valve Make: Danfoss/Indfoss

Supply only Expansion Valve Make: Danfoss/Sporlan

Supply only Condensor fan motor capacity of 0.5 HP-0.75 HP along with leaf suitable for existing bracket of outdoor unit Make : Bitzer/Danfoss/blue star

Supply only Evaporator Motor working capacity of 1.0 HP on 230 V for cold room suitable in existing indoor unit of Make :Bohn/Guntner/Danfoss

Supply only drain heater working on 230 V complete all as specified and directed

Supply only Cold Room Defrost Heater working on 230 V complete all as specified and directed

Supply and fixing in replacement of weather proof LED tube lights,230Volt,along with copper cable as required for connecting existing points at inside cold rooms complete all as specified and directed.

Supply only Compressor oil Make: EMKARATE

Supply only Gas (404 A) in sealed cylinder Note: Empty cylinders to be returned to contractor after use

Supply only Gas R-22 suitable for Cold storage out door units in sealed cylinder Note: Empty cylinders to be returned to contractor after use

Supply and fixing in replacement of single core copper cable of size 6 sqmm connection along with copper lugs in existing starter connections/pump/motor connections etc complete all as specified and directed

Supply and laying in replacement pipes/along wall/roof/across drain XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 Volts grade of size 10 Sqmm 4 core complete all as specified and directed Make: Havells /Gloster/Polycab

Supply and laying in replacement of pipes/along wall/roof/across drain XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 Volts grade of size 16 Sqmm 4 core complete all as specified and directed Make: Havells /Gloster/Polycab

Supply and laying in pipes/along wall/roof/across drain XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 Volts grade of size 25 Sqmm 4 core complete all as specified and directed Make: Havells /Gloster/Polycab

Material and Labour for servicing of chilller/condensor pump of capacity up to 5 HP including disconnecting & dismantling ,replacement of unserviceable bearings,water seal,glandbush,suitable gaskets/rubbers,nutbolts,terminal box and gland packing including reassembled and refixing the same location complete all as specified and directed by Engr in charge.

-ditto- but 7.5 HP to 10 HP.

-ditto- but 12.5HP to 15 HP.

-ditto- Above 15 HP capacity.

Dismantling of electric motor 3 phase 415 V 25 HP - 50 HP transport to local work shop and taking out of bearing and re-metaling the bearing housing,including rewinding with same gauge super enamelled copper insulated wire grinding, turning to the required size, cleaning of stator,varnishing, drying, re-assembling the motor to bring in original state including fixing on the foundation all as directed by Engr-in charge.

Dismantling of electric motor 3 phase 415 V 15 HP to below 25 HP transport to local work shop and taking out of bearing and re-metaling the bearing housing,including rewinding with same gauge super enamelled copper insulated wire grinding, turning to the required size, cleaning of stator,varnishing, drying, re-assembling the motor to bring in original state including fixing on the foundation all as directed by Engr-in charge.

Dismantling of electric motor 3 phase 415 V 7.5 HP transport to local work shop and taking out of bearing and re-metaling the bearing housing,including rewinding with same gauge super enamelled copper insulated wire grinding, turning to the required size, cleaning of stator,varnishing, drying, re-assembling the motor to bring in original state including fixing on the foundation all as directed by Engr-in charge.

M&L for Servicing/repairing of pump starter panel of capacity up to 5 HP (DOL) of chiller/condensor pump/CT motor/compressor motor in AC plants,including decarbonizing,tightning of control cable terminations,cable glands, and end termination crimping by Attending with skilled Electricians and helper , with neccessary T&P for checking and make functional at Various locations in Naval base Koch. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 100 Rs per unit shall be included in the above quoted rate

M&L for Servicing/repairing of pump starter panel of capacity up to 5 HP Star delta type of chiller/condensor pump/CT motor/compressor motor in AC plants,including decarbonizing,tightning of control cable terminations,cable glands, and end termination crimping by Attending with skilled Electricians and helper , with neccessary T&P for checking and make functional at Various locations in Naval base Koch. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 100 Rs per unit shall be included in the above quoted rate

M&L for Servicing/repairing of pump starter panel of capacity of 7.5 HP to 10 HP Star delta type of chiller/condensor pump/CT motor/compressor motor in AC plants,including decarbonizing,tightning of control cable terminations,cable glands, and end termination crimping by Attending with skilled Electricians and helper , with neccessary T&P for checking and make functional at Various locations in Naval base Kochi. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 100 Rs per unit shall be included in the above quoted rate

M&L for Servicing/repairing of pump starter panel of capacity of 12.5 HP to 20 HP Star delta type of chiller/condensor pump/CT motor/compressor motor in AC plants,including decarbonizing,tightning of control cable terminations,cable glands, and end termination crimping by Attending with skilled Electricians and helper , with neccessary T&P for checking and make functional at Various locations in Naval base Kochi, Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 100 Rs per unit shall be included in the above quoted rate

Supply and replace power contactor MNX-18 to 22 Amp , 18 Amps, TP, 415V of coil voltage 220 V with aux contact 1 NO/1 NC including taking down the old unserviceable contractor all as specified and directed.Make : L&T /ABB/SIEMENS

Supply and replace power contactor MNX-25, TP, 25 Amps, 415V of coil voltage 220 V with aux contact 1 NO/1 NC including taking down the old unserviceable contractor all as specified and directed.Make : L&T /ABB/SIEMENS

Supply and replace power contactor MNX-32, 32 Amps TP 415V of coil voltage 220V with aux contact 1 NO+1NC Make : L&T/ABB/SIEMENS

Supply and replace power contactor ML Type/ MNX-40, 40 Amps, TP, 415V of coil voltage 220with aux contact 1 NO+1NC Make : L&T/ABB/SIEMENS

Supply and replace power contactor MNX-50, 50-70 Amps, TP, 415V of coil voltage 230 with aux contact 2 NO+ 2 NC .Make : L&T /ABB/SIEMENS

Supply and replace power contactor ML/ MNX-95, 95 Amps, TP, 415V of coil voltage 230 with aux contact 2 NO+ 2 NC.Make : L&T/ABB/SIEMENS

Supply and replace power contactor MO,up to capacity 18 Amp-20 Amp, 415V of coil voltage 220 V with aux contact 2 NO+2 NC including taking down the old unserviceable contractor all as specified and directed.Make : L&T /ABB/SIEMENS

Supply and replace add -on Aux contact block front mounting of 2 NO + 2 NC suitable for MNX contactor 9-80A,3P,complete all as specified and directed.Make : L&T /ABB/SIEMENS

Supply and replace power contactor MO ,25-45 Amps . Make : L&T /ABB/SIEMENS

Supply and replace thermal overload relay for ML/MO/MNX contractors capacity up to 42 Amp all as specified and directed delay range 6 to 42 Amps.Make : L&T /ABB/SIEMENS

Supply and replace Bolted fuse links Type HG offset staggered, F1, capacity of 2-32 Amps all as specified and directed Make : L&T/ABB/SIEMENS

Supply and replace STAR DELTA timer with coil voltage 230/415V for 3-30 sec range all as specified and directed. Make : L&T /ABB/SIEMENS

Supply and replace timer ET 100 electronic coil voltage 230/415V for 3-10 sec range all as specified and directed. Make : L&T/ABB/SIEMENS

Supply and replace single phasing preventer, suitable for 380V-415V , AC all as specified and directed. Make : L & T / Minilac/GIC

M&L for Attending breakdown call forElectric fault in AC plant LT panel for MCCBs/Electric LT panel busbar recondtioning,cable gland and end termination crimping of 3 Ph elect supply LT cables, Any type of electrical complaint pertains to AC plants with skilled Electricians and helper , with neccessary T&P for checking the equipment atVarious locations in Naval base Kochi, find out the faults to the equipments (including replacement of minor parts such as lugs,fuses,wires,nuts,bolts,washers,etc,) complete and rectification of minor problems to make the plant functional , all as directed by the Engr- in-Charge. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 100 Rs per unit shall be included in the above quoted rate

Supply and replace MCCB 415V, 36 KA, 4 pole DN 3, 400 Amp with spreader terminals, including taking down unserviceable MCCB all as specified and directed. Make L&T/ABB/SIEMENS

- Ditto- but of DN 2,25KA,4 pole,capacity 200 Amp,415 Volt Make : L&T/ABB/SIEMENS

- Ditto- but of DN 0,25 KA,100 Amp,4 pole,Make : L&T /ABB/SIEMENS

Supply and replace MCB, TPN 20-32Amp,C curve, 10 KA including taking out old unserviceable MCB, all as specified and directed.Make : L&T /ABB/SIEMENS

- Ditto- but of TPN 63 Amps,C curve, 10 KA. Make : L&T /ABB/SIEMENS

- Ditto- but of Capacity ,TP 20-32 Amps,C curve, 10 KA . Make : L&T/ABB/SIEMENS

- Ditto- but of Capacity ,TP 40-63Amps,C curve, 10 KA Make : L&T /ABB/SIEMENS

Supply and fixing in replacement of fully automatic star-delta starter in sheet metal enclouser of type MK with capacity upto 12.5 HP/9.3KW suitable for Motor Rating AC-3,415V,50H,complete all as specified and directed.

Supply and replace digital Voltmeter 3 phase, Class 1 all as specified and directed. Make : L&T or AE

Supply and replace digital Ammeter 1/5A, 3 phase, Class 1all as specified and directed. Make : L&T or AE

S. M. Enterprises

General Engineering and Constructions