REPAIR MAINTENANCE OF EXTERNAL ELECTRIC SUPPLY SUCH AS REPAIR TO HT 11 KV VCB TRANSFORMER APFC PANEL ALONGWITH ALLIED WORKS IN NAVY AND COAST GUARD UNITS AT MINICOY UNDER GE NAVY LAKSHADWEEP

Amount

Topping up and complete renewal of Transformer oil complete all as specified and as directed by Engineer in charge. Minimum breakdown strength of transformer oil shall not be less than 65 KV/Min for oil cooled Transformer. Make:- Power oil/servo or any other BIS approved make as approved by GE.

Supply and Fix in replacement Transformer Tap changer made of Brass material for regulating LT voltage, suitable for existing Transformer of capacity 100 KVA complete all as specified and as directed by Engineer in charge. Make:- L&T/Seimens/Legrand/C&S as approved by Engineer in charge.

Disconnecting and taking down the Transformer of 160 KVA capacity from the existing position and transporting to work shop and opening the outer cover, draning out the oil and lifting the core along with winding, finding the faulty/burnout primary and secondary winding and rewinding with fine enameled insulated copper winding of same size/gauge, turns keeping in hot air oven till the moisture evoporates, reassembling the transformer parts such as core, winding, outer cover, refilling back the Transformer oil complete and transporting back to its original position and reconnecting the LT/HT cable connections complete all as specified and as directed by Engineer in Charge.

Disconnecting and taking down the Transformer of 250 KVA capacity from the existing position and transporting to work shop and opening the outer cover, draning out the oil and lifting the core along with winding, finding the faulty/burnout primary and secondary winding and rewinding with fine enameled insulated copper winding of same size/gauge, turns keeping in hot air oven till the moisture evoporates, reassembling the transformer parts such as core, winding, outer cover, refilling back the Transformer oil complete and transporting back to its original position and reconnecting the LT/HT cable connections complete all as specified and as directed by Engineer in Charge.

Disconnecting and taking down unserviceable power contactor and Supplying,fixing and testing of new Power Contactor MCX 11 ,with coil voltage 240 V AC 50 Hz complete all as specified and as directed by Engineer in Charge. Make:- Seimens/C&S/L&T/Legrand as approved by GE.

Disconnecting and taking down unserviceable power contactor and Supplying, fixing and testing of new Power Contactor MCX 22 ,with coil voltage 240 V AC 50 Hz complete all as specified and as directed by Engineer in Charge. Make:- Seimens/C&S/L&T/Legrand as approved by GE.

Disconnecting and taking down unserviceable power contactor and Supplying, fixing and testing of new Power Contactor MCX 33 ,with coil voltage 240 V AC 50 Hz complete all as specified and as directed by Engineer in Charge. Make:- Seimens/C&S/L&T/Legrand as approved by GE.

Repairs and servicing of HT 11 KV VCB of current rating upto 630Amps capacity type by drawing out breaker assembly from panel and carry out the following work :- (i) Cleaning/ decarburizing of all fixed and moving contacts, levers, springs using suitable cleaning agent and tightening of screws, nuts, bolts, spring etc, (ii) Adjust the trolley in and out mechanism , (iii) Lubricating/greasing of all operating mechanism and moving parts, switching & tripping mechanism, automatic shuttering system, necessary brazing, turning, polishing of main and auxiliary contact, demoisturing of insulators, etc to be done (iv) Checking all end terminals, Tighting the nut bolt and washers, replace the unserviceable nut, bolt & washers, draw-in the breaker, put in position, engage the VCB with the supply system and testing for smooth functioning complete all as specified and as directed by Engineer in Charge. Note1 : Cost of unserviceable spare parts such as Charging motor,EFR,Aux relays, Vertical connection adapter , Fixed/Moving contacts ,Battery backup etc.. will be measured and paid under respective items Note2 : Primary/Secondary injection Test Kit and Insulation testing equipment shall be arranged by the contractor and rate deemed to be included the unit rate. Make: M/s Siemens India Ltd / Shneider/ABB

Supply and Fix Earth relay suitable for M/s Siemens India Ltd HT 11 KV VCB including taking down old unserviceable one complete all as specified and as directed by Engineer in charge. Make- Seimens or Equivalent in schneide/ABB/L&T compatible with existing make and as approved by GE.

Supply and Fix Auxilary relays suitable for M/s Siemens India Ltd HT11 KV VCB including taking down old unserviceable one complete all as specified and as directed by Engineer in charge. Make- Seimens or Equivalent in schneide/ABB/L&T compatible with existing make and as approved by GE.

Supply and Fix Charging motor, operates on single Phase 230 V AC,50 Hz power supply for auto charging of HT breaker suitable for M/s Siemens India Ltd HT11 KV VCB including taking down old unserviceable one complete all as specified and as directed by Engineer in charge. Make- Seimens or Equivalent in schneide/ABB/L&T compatible with existing make and as approved by GE.

Disconnecting and Removing of old serviceable Power pack unit and Supplying, installation & commissioning of Power Pack unit of Input 230 V AC, Output 24 V DC for H.T VCB Panel as required complete all as specified and as directed by Engineer in charge. Make :- MEGHAWIN/AREVA/SIEMENS/ABB as approved by GE.

Supply and Fix in replacement Battery 12 Volts 150 AH complete all as specified and as directed by Engineer in charge. Make - exide/Amaron/Standard farukwa/AMCO as approved by GE.

Supply and fix in replacement of MCCB of capacity 63 A ,4 P 415 V , 50 Hz ,25KA Conforming to IS/IEC 60947-2 & IEC 60947-2 with adjustable thermal setting: 0.8-1.0 x In along with necessary fixing arrangements complete all as specified and as directed by Engineer in charge. Make:- Seimen/Schneider/Havells/Legrand as approved by GE.

Supply and fix in replacement of MCCB of capacity 100A ,4 P 415 V , 50 Hz ,25KA Conforming to IS/IEC 60947-2 & IEC 60947-2 with adjustable thermal setting: 0.8-1.0 x In along with necessary fixing arrangements complete all as specified and as directed by Engineer in charge. Make:- Seimen/Schneider/Havells/Legrand as approved by GE.

Supply and fix in replacement of MCCB of capacity 250 A ,4 P 415 V , 50 Hz ,25KA Conforming to IS/IEC 60947-2 & IEC 60947-2 with adjustable thermal setting: 0.8-1.0 x In along with necessary fixing arrangements complete all as specified and as directed by Engineer in charge. Make:- Seimen/Schneider/Havells/Legrand as approved by GE.

Supply and fix in replacement 3 phase power factor capacitor of capacity 25 KVAr, 440 V, 50 Hz and testing complete all as specified and as directed by Engineer in charge. Make : L & T/ C & S /Seimens as approved by GE.

Supply and fix in replacement 3 phase power factor capacitor of capacity 15 KVAr, 440 V, 50 Hz and testing complete all as specified and as directed by Engineer in charge. Make : L & T/ C & S /Seimens as approved by GE.

Supply and fix in replacement 3 phase power factor capacitor of capacity 10 KVAr, 440 V, 50 Hz and testing complete all as specified and as directed by Engineer in charge. Make : L & T/ C & S /Seimens as approved by GE.

Supply and fix in replacement 3 phase power factor capacitor of capacity 5 KVAr, 440 V, 50 Hz and testing complete all as specified and as directed by Engineer in charge. Make : L & T/ C & S /Seimens as approved by GE.

Supply and fix cable jointing kit, heat shrinkable, for 1.1 kV grade cable for straight through joint complete with Jointing material (Epoxy Based) and accessories suitable for 3½ / 4 core XLPE armoured Aluminium conductor cable of size 16 to 50 sq mm complete all as specified and directed by Engineer in charge. Make:- Densen/Birla 3M as approved by Engineer in charge.

Supply and fix cable jointing kit, heat shrinkable, for 1.1 kV grade cable for straight through joint complete with Jointing material (Epoxy Based) and accessories suitable for 3½ / 4 core XLPE armoured Aluminium conductor cable of size 70 to 90 sq mm complete all as specified and directed by Engineer in charge. Make:- Densen/Birla 3M as approved by Engineer in charge.

Material and Labour for Indoor type jointing kit heat shrinakable for 11KV grade UG cable end termination with 3 core Aliminium conductor complete along with jointing material all as specified and as directed of size 185 Sqmm complete all as specified and as directed by Engineer in Charge. Make:- Raychems/Densons/MSeal/Birla 3M as approved by GE.

Supply and fix in replacement XLPE insulated, PVC sheath, armoured, heavy duty electric cable with aluminium conductor, 1100 vots grade, cross sectional area 16 sqmm 4 core complete all as specified and as directed by Engineer in charge. Make:- Havells/Polycab/Gloster as approved by GE.

Supply and fix in replacement XLPE insulated, PVC sheath, armoured, heavy duty electric cable with aluminium conductor, 1100 vots grade, cross sectional area 25 sqmm 4 core complete all as specified and as directed by Engineer in charge. Make:- Havells/Polycab/Gloster as approved by GE.

Supply and fix in replacement XLPE insulated, PVC sheath, armoured, heavy duty electric cable with aluminium conductor, 1100 vots grade, cross sectional area 50 sqmm 3.5 core complete all as specified and as directed by Engineer in charge. Make:- Havells/Polycab/Gloster as approved by GE.

Supply and fix in replacement XLPE insulated, PVC sheath, armoured, heavy duty electric cable with aluminium conductor, 1100 vots grade, cross sectional area 70 sqmm 3.5 core complete all as specified and as directed by Engineer in charge. Make:- Havells/Polycab/Gloster as approved by GE.

Supply and lay burnt bricks sub class 'B' for cable protection complete all as specified and as directed by engineer in charge.

Supply and laying unreinforced pre cast concrete cable cover class HVP type 1 with peak flat size 300 x 180 x 40 mm for cable protection complete all as specified and as direcetd by Engineer in Charge.

M&L for sand cushioning with Sand in two layers, first layer of 80mm thick before laying of cable and second layer of 150mm thick after laying of cable in trenches/ducts for cables including consolidation of each layer complete all as specified and as directed by Engineer in charge. Note:-Thickness of sand cushioning shall be measured after punning.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 depth and getting out in soft/loose soil for laying cables/pipes/erection of poles etc. complete all as specified and as directed by Engineer in charge.

Returning filling in, with excavated soils including, spreading, levelling, watering and well ramming in layers n.exc. 25 Cms. complete all as specified and as directed by Engineer in charge.

Removing excavated material/ surplus soil exceeding 250m and n.exc. 500m and depositing where directed at a level n.exc. 1.50m above the starting point complete all as specified and as directed by Engineer in charge.

Material and Labour for concrete cutting in ground floors/pavings/road n.exc 15 cm depth (below ground level) for laying pipes complete all as specified and as directed by Engineer in charge.

Material and Labour for cement concrete type B-2,1:2:4(40 mm graded aggregate) upto 100mm thickness for making good to area of concrete road/floor/pavings cut complete all as specified and as directed by Engineer in charge.

Supplying and Laying GI pipe light grade of dia 80mm for cable protection complete including takingdown old unserviceable pipe complete all as specified and as directed by Engineer in charge.

Supplying and Laying GI pipe light grade of dia 50mm for cable protection complete including takingdown old unserviceable pipe complete all as specified and as directed by Engineer in charge.

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