REPAIR/ MAINT/ SERVICING OF OCBs, VCBs, ISOLATORS, RMU, CERTAIN STABILIZERS AND MISC E/M WORKS INCLUDING CONNECTED ACCESSORIES AND PAINTING TO PANEL AT KATARI BAGH, NAY, GARUDA AND ALL OTHER AREAS AT NB(K)

Amount

Material and labour for servicing of HT OCB 11 KV alongwith CTs/PTs of current rating upto 800 A of any make and type by drawing out breaker from panel and carry out the following work:- (a) Disconnect the breaker from oil tank, draining out oil and keeping aside in barrel for re-use and then again pouring back including necessary filteration and dehydration and replacing/ adding with new transformer oil to top up the required level, filteration/replace the oil, after removing the sludge deposited and cleaning the tank. (b) Cleaning/decarbonizing of all fixed and moving contacts, levers, springs, etc by using suitable cleaning agent and tighten screws, nuts, bolts, spring etc (c) Lubricating/greasing of all operating mechanism and moving parts, switching & tripping mechanism, automatic shuttering system, necessary brazing, turnig, polishing of main and auxiliary contact, demoisturing of insulators and other parts(d) Checking of tripping relay, etc including interlocking if any (e) Checking of all end terminals, tighting the nut, bolt and washers, replace the unserviceable nut, bolt & washers, draw-in the breaker, put in position, engage the OCB with the supply system and testing for smooth functioning. (f) Check oil dielectric strength before and after filtration (g) Checking of operating mechanism adjustments, internal wiring circuit, including providing insulation by necessary taping, tightening of all connections, replacement of HRC fuse (if any found u/s), measurements of the mechanical clearances of the operating mechanism associated with the tank or pole should be made including removing moisture deposit. NOTE : (i) The cost of cleaning materials, HT Tape, thinner, cotton waste, monoplast, steel nut, bolt with double washers, HRC fuses, fuse carrier base, replacement of complete HT packing/gasket shall deemed to be included in the quoted rate. (ii) filtration / dehydration of transformer oil / top up of transformer oil if any shall be measured and paid separately in supply only and the labour charge shall deemed to be included in the quoted rate. (iii) Contractor shall isolate and earth the breaker before start the work. (iv) Servicing of HT OCBs should be carried out as per the schedule of shutdown prepared by the Engineer-in-charge. No exemption to postpone or cancel the work is permitted unless due to administrative reasons accepted by the Engineer-in-chrge. Failure of doing the work as per schedule shall be levied a penalty of 5000.00 Rs per job.

Supply and fixing spout assembly including front and rear with Plug, Shutters, Adapters for OCB/VCB 11 KV HT for R, Y, B (including female contact and taking down old item) for OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity complete all as specified and directed.

Supply and fixing trolley bushing with male and female contact for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity complete all as specified and directed.

Supply and fixing push trip assembly as per existing size, type and suitable for 11 KV HT OCB/VCB including taking down old item for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity complete all as specified and directed.

Supply and fixing vacuum interrupter, for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity complete all as specified and directed.

Supply and fixing, Cluster contact for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity complete all as specified and directed.

Supply and fixing ,copper bus bar as per existing size, type and suitable for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing , aluminium bus bar as per existing size, type and suitable for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing motor and gear assembly operating mechanism for closing springs after each closing operation for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity complete all as specified and directed.

Supply and fixing, shunt trip coil – 24V. D.C. as per existing size, type and suitable for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, Fixed contacts as per existing size, type and suitable for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, Main trip lever assembly as per existing size, type and suitable for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing Tripping coil unit as per existing size, type and suitable for 11 KV HT OCBs of make CG as that of existing model and capacity including taking down old item.

Supply and fixing Epoxy Resin Cast Insulators/supports for 11 KV HT OCBs/VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing HT busbar sleeves up to 42/16 mm/60/28 mm including taking down old item complete all as specified and directed.

Supply and fixing panel control trip-neutral-close switches, barrel lock suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Calibration of protective relays of IDMT or any other type by using relay injection kit including necessary adjustment of over current / earth fault / earth leakage by secondary current injuction test alongwith testing and calibration of picup current, time setting multiplier, tripping delay time, auto resetting of time, etc for successful operation at the time of fault occurance as required according to the connected load complete all as specified and directed.

Material and labour for taking down one set of PT from HT panel after disconnecting both mechanical and electrical connection, and transporting to local workshop to carry out the following repair works : (a)Taking out windings, insulators etc, (b) Re winding, Varnishing of transformer after throughly cleaned to remove sledge accumulation, dirt, etc by heating, drying in oven complete. (c) Checking of insulator resistance by means of HT megger. (d) Re-assemble the PT and transporting back to site & refix to the original position, testing for smooth function complete all as specified and directed.

Material and labour for servicing of HT VCB 11 KV alongwith CTs/PTs of current rating upto 800 A of any make and type by drawing out breaker assembly from panel and carry out the following work:- (i) Cleaning/decarbonizing 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, turnig, polishing of main and auxiliary contact, demoisturing of insulators, etc to be done (iv) Testing of tripping performance of HT VCB by primary & secondary high current injection, testing of CT ratio and polarity, (vi) Checking of tripping relay including interlocking if any.(viii) Checking of operating mechanism adjustments, measurements of the mechanical clearances of the operating mechanism, internal wiring circuit etc, tightening of all connections, replacement of HRC fuse, fuze carrier base (if any found u/s) including removing moisture deposit inside the VCB. (ix) Checking all end terminals, tightening 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 directed. NOTE : (i) The cost of cleaning materials, HT Tape, thinner, cotton waste, monoplast, steel nut, bolt with double washers, HRC fuses, MCB SP upto 6 Amp, fuse carrier base, replacement of complete HT packing/gasket shall deemed to be included in the quoted rate. (ii) Contractor shall isolate and earth the breaker before start the work. (iii) Servicing of HT VCBs should be carried out as per the schedule of shutdown prepared by the Engineer-in-charge. No exemption to postpone or cancel the work is permitted unless due to administrative reasons accepted by the Engineer-in-chrge. Failure of doing the work as per schedule shall be levied a penalty of 5000.00 Rs per job.

Supply and fixing, drive link assembly with Adjustor as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, Auxiliary Switch (7 NO+7NC) as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, Closing Coil Assembly as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing , Tripping Coil Assembly as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, Spout Bushing with current carrying Parts (Contact plug) Upper / lower 400 to 630 A for single phase as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, Rack in Rack Out Handle as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model including taking down old item complete all as specified and directed.

Supply and fixing, Spring Charging Handle as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, space heater as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Supply and fixing, thermostat for space heater as per existing size, type and suitable for 11 KV HT VCBs of make CG/ABB/MEGAWIN/STERLING/SCHNEIDER/L&T/SIEMENS as that of existing model and capacity including taking down old item complete all as specified and directed.

Material and labour , for general servicing of HT 11 KV isolator / oil switch fuse of current rating upto 400 A of any make and type and carry out the following work :- (a) cleaning/decarbonizing of all contacts, levers using suitable cleaning agent and tightening of screws, nuts, bolts, etc (ii) Lubricating/greasing of all operating mechanism and moving parts, switching mechanism, demoisturing of all parts (iv) Checking of all operating mechanism adjustments, measurements of the mechanical clearances of the operating mechanism, tightening of all connections, replace the unserviceable nut, bolt & washers, engage the isolator with the supply system and testing for smooth functioning. (v) Heating/drying/testing of insulators for desired IR value including dehydration/filtration of oil/ replacement with new oil in oil switch fuse re-fitting to original position and testing ,complete all as specified. NOTE : (i) The cost of cleaning materials, HT Tape, thinner, cotton waste, monoplast, unserviceable cable end socket, steel nut, bolt with double washers, replacement of complete HT packing/gasket shall deemed to be included in the quoted rate. (ii) Contractor shall isolate and earth the breaker before start the work.

Material and labour for servicing of HT 11 KV, RMU any type and make by carry out the following work:- (i) cleaning/decarbonizing of all, levers, springs using suitable cleaning agent and tightening of screws, nuts, bolts, spring etc for proper functioning, (ii) Lubricating/greasing of all operating mechanism and moving parts, switching & tripping mechanism, demoisturing of all parts (iii) Testing of relay tripping performance of RMU (iv) Checking of all relays and interlocking if any (v) Calibration, performance testing and necessary adjustment of relays for successful operation at the time of fault occurrence etc,(vi) Checking of operating mechanism adjustments, measurements of the mechanical clearances of the operating mechanism, internal wiring circuit etc, tightening of all connections, replacement of unserviceable fuse/MCB SP including removing moisture deposit inside the RMU (vii) Checking all end terminals, lighting the nut, bolt and washers, replace the unserviceable nut, bolt & washers, engage the RMU with the supply system and testing for smooth functioning complete all as specified. NOTE : (i) The cost of cleaning materials, HT Tape, thinner, cotton waste, monoplast, steel nuts, bolts with double washers,MCB SP upto 32 Amp, replacement of complete HT packing/gasket shall deemed to be included in the quoted rate. (ii) Contractor shall isolate and earth the breaker before start the work.(iii) Servicing of HT RMUs should be carried out as per the schedule of shutdown prepared by the Engineer-in-charge. No exemption to postpone or cancel the work is permitted unless due to administrative reasons accepted by the Engineer-in-chrge. Failure of doing the work as per schedule shall be levied a penalty of 5000.00 Rs per job.

Supply and fixing , cable boot for terminal protection for HT 11 KV RMU as per existing size and type including taking down old item complete all as specified and directed.

Supply and fixing, Resin cast indoor current transformer, 300/150/5/5 Amp, 15 VA burden, accuracy class 0.5 for metering core, 5P10 for protection core having insulation level 12/28 KV including taking down old item ,all as specified. Make : PGR / INDUS / INTRANS/ERICON

Supply and fixing, Resin cast indoor current transformer, 200/100/5/5 Amp, 15 VA burden, accuracy class 0.5 for metering core, 5P10 for protection core having insulation level 12/28 KV including taking down old item ,all as specified. Make : PGR / INDUS / INTRANS/ERICON

Supply and fixing, Resin cast indoor current transformer, 100/50/5/5 Amp, 15 VA burden, accuracy class 0.5 for metering core, 5P10 for protection core having insulation level 12/28 KV including taking down old item ,all as specified. Make : PGR / INDUS / INTRANS/ERICON

Supply and replace dry type PT unit with resin cast suitable for indoor installation 11 KV/ 110 Volts 100 VA ,50 Hz, class 0.5 accuracy, consisting of one single phase PT with suitable metal enclosure for mounting on HT switch gear panel with HV HRC PT fuse of 2 Amps capacity, testing and commissioning all as specified and as directed including taking down old item. Make:PGR / INDUS / INTRANS

Supply and replacing feeder protection relay with protections 50,51,50N,51N,68,95,86, measurement for 3I,I0, 4DI + 6D0, phase and earth current input, IEC version RS485 for MODBUS communication Uaux 24 to 240 DC/AC suitable for 11 KV HT panel including taking down old item ,all as specified Make : L&T / ABB/C&S/CG

Supply and fixing, LED indicator of RED/GREEN/YELLOW/AMBER/WHITE/BLUE including taking down old materials complete all as specified and directed. Make : L&T / Havells / Standard/Siemens/C&S

Supply and fixing, push button RED/GREEN/YELLOW/BLACK/WHITE/BLUE including taking down old materials all as specified. Make : L&T / Havells / Standard/Siemens/C&S

Obliterating of old writing of any description. n.exc 0.1 sq m with paint to match existing work complete all as specified and directed.

M & L for writing letters or figures (Block, Roman, Italic or Indian) in any colour by paint or by sticker letter, n.exc 30 cm hight complete all as specified and directed.

M & L, for Index hands (natural size) or arrows, (upto 40 cm long) in any colour by paint or by sticker as directed

M & L for stops, commas, short lines, dashes, hyphens, brackets, etc in any colour by paint or by sticker complete all as specified and directed.

M & L for air terminaltion, single pointed aluminium rod 12 mm dia and 300 mm long including taking down of old one complete all as specified and directed. NOTE : (i) Contractor shall make necessary scafolding works and also ensure safety of his workers at his own risk while working.

M & L for aluminium strip 25 X 3.15 mm with saddles and fixing screw, etc for roof conductors and down conductors above ground as directed

Supply and fixing in repairs automatic battery charger 24 volt DC with connecting lead copper , Ammeter with indicating lamps, minimum 10 Amp with maintenance free sealed battery of 12 volt 42 Ah of Make : EXIDE alongwith suitable size trolley and all as directed

Supply and replacing multipowered current protection relay suitable for 11 KV RMU with O/C, S/C,E/F & E/F high set DEFT and inverse characteristic, RS 485 MODBUS, internal battery and circuit breaker failure protection including taking down old item ,all as specified. Make : ASHIDA/ ABB/C&S/CG

Supply and replacing self powered programmable short circuit and earth fault passage indicator suitable for 11 KV RMU including internal battery and cable mounted sensors all as specified and directed. Make: C&S/ABB/CG/SIEMENS

Supply and replacing integrated voltage detection system LLI conforms IEC 61243-5 suitable for 11 KV RMU including coupling electrodes, connecting leads, and adaption capacitors all as specified and directed. Make: C&S/ABB/CG/SIEMENS

Supply and replacing door lock of 11 KV RMU including handle with locking arrangements and link rodes all as specified and directed.

Supply and fixing, Resin cast indoor current transformer suitable for RMU 200-100/1 Amp, 2.5 VA burden, accuracy class 5P10, 25 kA for 3 Sec, 0.66/3 kV, including taking down old item ,all as specified. Make : PGR / INDUS / INTRANS/ ERICON

Supply and fixing, Resin cast indoor current transformer suitable for RMU 100-50/1 Amp, 2.5 VA burden, accuracy class 5P10, 25 kA for 3 Sec, 0.66/3 kV, including taking down old item ,all as specified. Make : PGR / INDUS / INTRANS/ ERICON

Supply and replacing sealed reachargeable battery 12V, 26 Ah, suitable for 11 KV RMU all as specified and as directed.

Material and labour, painting of inside surface and outside surface of the HT OCB/VCB/RMU/Isolators of any make and type including PT enclosure, doors, etc with heat resistance paint by pressure bottle spray painting after cleaning and preparation of old surface from dust, oil, rust and make the surface ready for painting all as directed. NOTE : (i) Contractor shall ensure the safety of the Painter/Electrician/ Supervisor/Engineer while working on HT electric system at his own risk.

Supply and fix 1.5 volts AAA battery suitable for RMU protection relay all as specified.

Supply and fix Control wiring using 2.5 sqmm 1100 volts FR LSH PVC insulated industrial grade copper conductor single core unsheathed cable all as specified.

Shifting HT/LT panel/RMU from one location to another location inside the Naval Base and Kataribagh by using vehicle and crane including disconnecting the existing cables and earthings and reconnecting the existing cables and earthings at new location complete all as specified and directed. NOTE : (i) The works includes the removal and refixing of all connection, cable, etc. (ii) Rent of vehicle, labour used, tools used shall deemed to be included in the quoted rate. (iii) Contractor shall take care of panels while shifting, any damage found while shifting will be rectify by the contractor at his own risk.

S&F cable route indicator over the HT cables made out of cast iron block of size 15 x 10 cm and thickness 10mm fixed with MS strip of size 32 x4 mm upto length 75mm and marked with 'HT cable' as required on cast iron block including PCC and earth work complete all as directed .

Supply and laying cables in trenches, or fixing on walls or passing through cable duct / pipe XLPE insulated, screened, PVC bedded galvanised steel strip or wire armoured electric power cables (heavyduty) with aluminium conductor, 1100 volts, grade having cross sectional area 2 core 4 sqmm complete all as specified and directed.

Supply and fixing, tripping Coil as per existing size, type and suitable for 11 KV RMU including taking down old item complete all as specified and directed.

Supply and fixing, PCB as per existing size, type and suitable for 11 KV RMU including taking down old item complete all as specified and directed.

Taking down actuator for 11 kV RMU, repair and refixing all as specified and directed

Supply and filling SF6 Gas for 11 kV RMU after arresting any leak by Manufacturers Engineer and check all the operations and leak all as specified and directed.

Supply and fixing acrylic sheet boards of suitable size providing the below mentioned details through a replaceable card inside the acrylic sheet board fixed on the RMU panels, HT VCB panels, LT panels, APFC panels at all Indoor/Outdoor substations inside Naval base area, Garuda area, NAY area and Kataribagh area including all necessary nuts, bolts, screws etc.. for fixing the acrylic sheet boards all as specified and as directed by the Engineer-in-charge. NOTE:- The below details are to be provided inside the acrylic sheet boards:- 1. Name & Serial No of the equipment 2.Name of the unit doing maintenance of the equipment 3. Type/model of the equipment 4. Name of all incoming and outgoing feeders from the equipment 5. All capacity ratings of the equipment 6. Last servicing done date 7. Next servicing due date 8. Silica gel last replaced date 9. Silica gel replacement due date 10. Any other details as specified by the Engineer-in-charge.

Supplying and laying insulated mats of sizes 1m x 2m ISI marked for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety all as specified and as directed.

Material and labour for wall mounted Glow sign Board of size 5 feet x 4 feet x 8 inch size made out of PGI sheet (1 mm thick) on angle iron (25 x 6 mm) structure, detachable front cover with perpex sheet white in colour of 3mm thick, binded with angle aluminum, writing / pasting the ‘matter/subject’ given by the Engr – in- charge with self adhesive synthetic vinyl sticker blue in colour, including fixing inside LED Strip white complete with all accessories prewired and all internal wiring and main connection with single core stranded copper conductor 2.5 sqmm size-10 RM including fixing arrangements complete including dismantling of all perished u/s board all as specified and fixing as directed.

Material and labour for servicing of Bus ducts of capacity up to 3200Amps and of make L&T/SCHNIEDER installed from 11KV/433Volt transformers to Main LT panels at various substtions all including replacement of necessary bolts/nuts/covers etc.., tightening of the bus ducts with tools recommended by the manufacturer all as directed by the Engineer-in-charge. Note:- The inspection and servicing of the entire bus duct shall be carried out by the rep of OEM of the bus duct and the rate quoted shall be inclusive of all inspection and minor repairs to be carried out by the OEM rep.

Supply and fixing in repairs for Bus duct elbows/joint blocks of capacity up to 3200Amps and of make L&T/SCHNIEDER installed from 11KV/433Volt transformers to Main LT panels at various substtions all including replacement of necessary bolts/nuts/covers etc.., tightening of the bus duct elbows, joint blocks with tools recommended by the manufacturer all as directed by the Engineer-in-charge. Note:- The replacement of bus duct shall be carried out by the rep of OEM of the bus duct and the rate quoted shall be inclusive of all inspection and minor repairs to be carried out by the OEM rep.

Kurian And Varghese