REPR MAIN OF HT DSRBTN NETWORK AND ALLIED WORK AT SITE E NCHC AMDALLI MAIN RCVNG CUM DSRBTN SUBSTATION DSS17 17A 17B AT AMDALLI VAJRA DSS 16 AT NAD SITE E M O OF MAIN RCVNG CUM DSRBTN SUB DSS 16 S E AT NAD AND MRSS SITE E AT VAJRA UNDER KARWAR

Amount

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth for laying/taking out cable and getting out in soft/loose soil all as specified and as directed.

Returning,filling in including spreading, levelling, watering and well ramming in layer not exceeding 25 cm in soft/loose soil all as specified and as directed.

Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and as directed.

Taking down carefully old unserviceable UG cable (HT) of any size from the trenches/wall/pole and keeping aside for reuse and remove the unserviceable cable from site after affording credit depending on its serviceability state including removal of brick/PCC cable cover complete all as specified and as directed. Note : Excavation and earthwork shall be measured and paid for Separately

Supplying & laying in repair including testing of XLPE insulated, armoured, heavy duty, HT UG electric cable in ternches/wall/cable tray/saddling/GI pipe or specified as per site requirement with stranded aluminum conductor 11 KV grade of following sizes:-

(a) 3 core 95 Sqmm

(b) 3 core 120 Sqmm

(c) 3 core 185 Sqmm

(d) 3 core 240 Sqmm Note :- Excavation & earth work, sand cushioning and PCC cover for cable protection shall be measured & paid seperately

Supplying & laying in repair including testing of XLPE insulated, armoured, heavy duty, HT UG electric cable in ternches/wall/cable tray/saddling/GI pipe or specified as per site requirement with stranded aluminum conductor 33 KV grade of following sizes:-

(a) 3 core 185 Sqmm

Labour for Re-Laying only in repair including testing of serviceable, HT UG cable of following sizes obtained from item No 4 here in before all as specified and as directed. Notes : 1. Serviceable cable obtained from Sl item No 5 above shall be reused. 2. Excavation and earth work, sand cushioning, PCC cover for cable protection shall be measured and paid separately.

(a) 3 core 95 Sqmm

(b) 3 core 120 Sqmm

(c) 3 core 185 Sqmm

(d) 3 core 240 Sqmm Note :- Excavation & earth work, sand cushioning and PCC cover for cable protection shall be measured & paid seperately

Supply and lay un-reinforced pre-cast concrete cable cover, class HV, type 1, flat, size 300mm x 180mm x 40mm complete all as specified and as directed.

Laying only un-reinforced pre-cast concrete cable cover, class HV, type 1, flat, size 300mm x 180mm x 40mm complete all as specified and as directed. Note: The pre-cast cable covers for laying will be obtained after taking down the cable as in item no 4 and reusing the serviceable cable cover.

Supply and spread dry river sand in trenches for cable cushioning all as specified in clause 19.75 of SSR Part-I. Note:- Punned thickness of sand only shall be measured & paid.

Supply & Laying in repair GI tubing light grade with necessary fittings as in cable protection in trenches/fixed on wall / floor including necessary clamps bolts and nuts complete all as specified and as directed of sizes 80mm dia

Supply, jointing & testing Indoor end termination cable joininting kit,heat shrinkable type 11 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 95 Sqmm all as specified and as directed.

Supply, jointing & testing Indoor end termination cable joininting kit,heat shrinkable type 11 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 120 Sqmm to 185 Sqmm all as specified and as directed.

Supply, jointing & testing Indoor end termination cable joininting kit, heat shrinkable type 11 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 240 sqmm all as specified and as directed.

Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 95 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 120 Sqmm to 185 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

Supply, jointing & testing straight through type cable joininting kit heat shrinkable 11 KV HT joint kit suitable for 3 core 240 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

Supply, jointing & testing Indoor end termination cable joininting kit,heat shrinkable type 33 KV HT joint kit suitable for XLPE insulated stranded aluminium conductor of size 3 core 185 Sqmm all as specified and as directed.

Supply, jointing & testing straight through type cable joininting kit heat shrinkable 33 KV HT joint kit suitable for 3 core 185 Sqmm XLPE insulated stranded aluminium conductor all as specified and as directed.

S&F in replacement of old U/S Danger notice plate of 1.6 mm thick mild steel sheet vitreous enamelled white, with letters, figures & conventional skull & bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size,for HT 25x20 cm size all as specified & as directed.

M&L for Testing of faulty HT UG cable upto 240 Sqmm by checking the insulation resistance using 5000v / 10000v fault insulation locator tester alongwith route tracer all as specified and directed and identify any number of cable fault in a single stretch (from source to load) having minimum length of (upto) 1500 RM and pin point the fault location complete all as specified & as directed. Note: In single stretch having minimum length(upto) 1500 RM whatsoever Nos of fault shall be paid as each job

M&L for Testing of faulty HT UG cable upto 240 Sqmm by checking the insulation resistance using 5000v / 10000v fault insulation locator tester,alongwith route tracer all as specified and directed and identify any number of cable fault in a single stretch (from source to load) having length more than 1500 RM and pin point the fault location complete all as specified & as directed. Note : In single stretch having length more than 1500 RM whatsoever Nos of fault shall be paid as each job

M&L for repair and servicing of HT (HT 33 KV) two pole structure by replacing Aluminium PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation sleeve RYB of any size as jumpers and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including preparation of surfaces, applying zinc chromate primer on rusted surfaces and applying one coat of aluminum paint to the entire structure complete all as directed. Note:-Rate quoted shall be inclusive of two coats of white wash on exposed concrete .

M&L Cross arms, 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 for fixing in two pole structure of 33 KV HT line. Note: The above item is to be fixed on two/ four pole structure of 33 KV HT line.

M&L for servicing of oil cooled Transformer of capacity 2000 KVA , 33 KV/433V by disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides, checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc.

M&L for servicing of oil cooled Transformer of capacity 3000 KVA , 33 KV/11 KV by disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides, checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc.

M&L for servicing of oil cooled Transformer of capacity 1000 to 1600 KVA , 11 KV/433V by disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides, checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc.

M&L for servicing of oil cooled Transformer of capacity 750 KVA up to 100 KVA , 11 KV/433V by disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides, checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc.

Filtration of transformer oil of transformers installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as directed by the Engineer-in-Charge.

Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer at various locations of Arga Naval Station complete all as directed by the Engineer-in-Charge. [Make: Poweroil/ Transol/ Sabitha Chemicals]

Taking down HT switch gear (Vacuum circuit breaker ) of capacity 33 KV 250/350 MVA , up to 2000 Amps comprising of following repairs, servicing,carrying out preventive maintanance and refixing the same after repairs/ servicing: -

(a) Tripping off the breaker, lowering the breaker with raising/lowering handle and pulling out the breaker complete from the panel along with the trolley for servicing/inspection/overhauling

(b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.

(b) Servicing/Inspecting/checking of circuit spout and cicuit spout connections for RYB phases and replacement of spares if required.

(c) Dismantling and checking of cross bar assembly, fixed contacts and current carrying parts of the breaker, trolley, insulated assembly and checking lamination with clamps, epoxy spout, isolator assembly etc.

(d) Setting, reassembling, cleaning, adjustment of fixed contacts, main contact, arcing contacts and chamber baffle pot assembly, moving contact for proper setting of auxiliary contacts operating mechanism.

(e) Servicing/Inspecting/checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.

(f) Checking, setting and adjustment of lowering and raising operation of the breaker trolley.

(g) Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating and closing of shutter gear, isolation resistance of trolley of with vacuum interrupter assembly.

(h) The inspection of HT switch gear shall involve:- (i) Inspection of truck & hoist assembly. (ii) Inspection of assembly & components of solenoid assembly. (iii) Inspection of assembly & components of dependent mechanism. (iv) Inspection of assembly & components of spring box mechanism. (v) Inspection of motor mechanism spring charge assembly (vi) Inspection of assembly of trip unit & related components, Make: ABB VCB Indoor type

Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, to put in to the VCBs and panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. (ii) Major spares like Breaker bushings, vaccum interruptur, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts,solenoid spares, dependent/spring mechainsm/ motor mechanism, trip unit etc will be measured and paid separately under relevant items of Schedule 'A'. However the rate quoted shall be deemed to include for any other minor spares require replacement.

Taking down HT switch gear (Vacuum circuit breaker ) of capacity 11 KV 250/350 MVA , up to 1250 Amps comprising of following repairs, servicing,carrying out preventive maintanance and refixing the same after repairs/ servicing: -

(a) Tripping off the breaker, lowering the breaker with raising/lowering handle and pulling out the breaker complete from the panel along with the trolley for servicing/inspection/overhauling

(b) Servicing/Inspecting/checking of automatic safety shutter operation for serviceability and replacement of spares if required.

(b) Servicing/Inspecting/checking of circuit spout and cicuit spout connections for RYB phases and replacement of spares if required.

(c) Dismantling and checking of cross bar assembly, fixed contacts and current carrying parts of the breaker, trolley, insulated assembly and checking lamination with clamps, epoxy spout, isolator assembly etc.

(d) Setting, reassembling, cleaning, adjustment of fixed contacts, main contact, arcing contacts and chamber baffle pot assembly, moving contact for proper setting of auxiliary contacts operating mechanism.

(e) Servicing/Inspecting/checking of secondary sockets/busbar earthing plugs/earthing sockets and replacement of spares if required.

(f) Checking, setting and adjustment of lowering and raising operation of the breaker trolley.

(g) Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating and closing of shutter gear, isolation resistance of trolley of with vacuum interrupter assembly.

(h) The inspection of HT switch gear shall involve:- (i) Inspection of truck & hoist assembly. (ii) Inspection of assembly & components of solenoid assembly. (iii) Inspection of assembly & components of dependent mechanism. (iv) Inspection of assembly & components of spring box mechanism. (v) Inspection of motor mechanism spring charge assembly (vi) Inspection of assembly of trip unit & related components, Make: ABB VCB Indoor type

Notes: (i) The rate quoted shall be deemed to include for necessary T&P, nuts, bolts, washers, gasket, insulation tape, compound, to put in to the VCBs and panels in serviceable condition, testing and commissioning all as specified and as directed by the Engineer-in-Charge. (ii) Major spares like Breaker bushings, vaccum interruptur, busbar spout, busbar spout connections, circuit spout/circuit spout connections/buffer fixed contacts, moving contacts,solenoid spares, dependent/spring mechainsm/ motor mechanism, trip unit etc will be measured and paid separately under relevant items of Schedule 'A'. However the rate quoted shall be deemed to include for any other minor spares require replacement.

Taking out ACB of Siemens make, of capacity 800A to 3200A Amps, 3pole , 415 volts,125 KA indoor type from its sub cubicle and carrying out routine maintenance as per manufacturer maintenance manual, examine the moving isolating contacts for any discolouration, cluster contacts, remove the arc chutes, check the SMC moulding are intacts, examine the moving contacts main contacts silver tips, spring mechanism, clean all contacts with a suitable solvent and contacts regreased with multipurpose grease, all contacts setting checked, readjusted if required, and regreased with multipurpose grease, all tripping device like manual trip, under voltage, shunt trip release, over current and earth fault tripping device to be tested, readjusted and confirm all tripping device is in healthy condition, check and record IR value of ACB, with 1.1. KV LT megger calibrating ground fault / short ckt, overload relays for tripping & timing complete and rendering test report all as specified and as directed.

NOTES for item Nos 31 ,32 & 33 : (i) The scope of work includes following :- (a) Inspection & cleaning the mechanism house (b) Operation of door interlock, interlocking plate & shutter operation inside of panel. (c) Check the Mechanical ON-OFF function, electrical & mechanical operation and damage part of VCB/ACB. (d) Re-greasing and oiling of breaker mechanism, adjustment of various mechanism setting as required, checking contact tightness, contact erosion pins, manually vaccum check of VCB/ACB. (e) Racking-Rack out operation in Test & service position of VCB/ACB trolley. (f) Megger test (IR value - 1KV / 2.5KV) E-RYB, RY-YB, BR-R'R, Y'Y, B'B. (g) CRM Test (contact resistance) of Vacuum Interrupter R, Y, B in on condition outside of panel. (h) Time test of contract pole by Test kit (in mile second). (j) Function of closing coil, Trip coil, spring charging motor, auxiliary contact, limit switches etc. (k) Checking & lubrication of various interlocks. (l) Submission of test report in standard format of vacuum circuit breaker.

Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 33 KV HT panel repair work under relevant Schedule-

(a) Torsion spring suitable for 33 KV VCB

(b) Motor cut off switch suitable suitabe for 33KV VCB

(c) LED Indication Lamps

(d) Shunt trip coil 110 V DC/220 V DC

(e) Shunt trip coil 110 V DC/220 V DC with assembly

(f) Breaker control switch

(g) Circuit spout

(h) Control circuit fuses 2 A to 63 A

(i) VCB buffers

(j) 110 Volt DC clossing coil assembly

(k) Push to trip knob red assembly

(l) Push to trip knob green assembly

(m) Vacuum interrupter

Supply only the following spares suitable for 250 MVA to 450 MVA HT switch gear VCBs and 11 KV HT panel repair work under relevant Schedule-

(a) Torsion spring suitable for 11 KV VCB

(b) Motor cut off switch suitable suitabe for 11 KV VCB

(c) LED Indication Lamps

(d) Shunt trip coil 110 V DC/220 V DC

(e) Shunt trip coil 110 V DC/220 V DC with assembly

(f) Breaker control switch

(g) Circuit spout

(h) Control circuit fuses 2 A to 63 A

(i) VCB buffers

(j) 110 Volt DC clossing coil assembly

(k) Push to trip knob red assembly

(l) Push to trip knob green assembly

(m) Vacuum interrupter

Supply & Fixing in replacement of space heater with thermostat connected with control wiring complete all as specified and directed by Engr-in-Charge

Supply & Fixing in replacement bakelite kitkat complete with HRC fuse 2-20 amps of suitable size for HT panel grey in colour including necessary nuts for fixing in position all as specified and directed

M&L for replacement of Earth fault and overload relay suitable for 11KV HT VCB panel of capacity upto 1200 Amps alongwith carrying out the required D C wiring of the realy module with the existing current transformer alongwith making the necessary adjustment in tripping current of the relay all as specified nad directed by Engr-In-Charge.

M&L for replacement of Earth fault and overload relay suitable for 33KV HT VCB panel of capacity upto 1200 Amps alongwith carrying out the required D C wiring of the realy module with the existing current transformer alongwith making the necessary adjustment in tripping current of the relay all as specified nad directed by Engr-In-Charge.

M&L for replacement of old unsv monoblock suitable for 11KV HT VCB panel of capacity upto 1200 Amps as per existing size alongwith testing the VCB with injection of DC supply complete all as specified nad directed.

M&L for replacement of old unsv monoblock suitable for 33KV HT VCB panel of capacity upto 1200 Amps as per existing size alongwith testing the VCB with injection of DC supply complete all as specified nad directed.

S& Fixing in replacement & testing and commissioning of resin current transformer dual core dual ratio for protection and class I accuracy suitable for 33 KV, 100/50/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed.

S/F in repair of potential transformer indoor type, primary voltage 33KV, secondary voltage 11 KV single phase, 50hz, current ratio 800-400, including removing of old unsv PT complete all as directed and specified.

S&F in replacement & testing and commissioning of resin current transformer dual core dual ratio for protection and class I accuracy suitable for 11 KV, 100/50/5+5A of primary wound type with adjustable VA bourden and accuracy in clearing the CT wiring with primary and secondary injection kit including identification to the base and connecting links to HT/VCB to match with the existing system complete all as directed

S/F in repair of potential transformer indoor type, primary voltage 11KV, secondary voltage 0.433 KV single phase, 50hz, current ratio 800-400, including removing of old unsv PT complete all as directed and specified.

S/F in repair of fuse indoor type, 33 KV, type PTAVT, Amps 3.15, 50hz, current ratio 800-400, including removing of old unsv fuse complete all as directed and specified.

S/F in repair of 11 KV bus bar supporting spout / insulators 130 MM LONG 60 MM DIA /as per sample single pole for indoor use 400 to 800 Amp suitable for existing panel complete all as directed and specified.

S/F in repair of 33 KV bus bar supporting spout / insulators as per sample single pole for indoor use 400 to 800 Amp suitable for existing panel complete all as directed and specified.

M&L for Strip Opening the busbar of the HT 11 or 33 KV VCB panel from 800 Amps to 2000 Amps, removing the old teared/ unsv insulation from the bus bar,checking the IR value before fixing the HT sleeve and refixing the heat shrinkable insulating tape sleeve suitable for 11 kv busbar not less than 3mm thick having dielectric strength not less than 15kv/mm and HT insulation tapefor CT/ PT connection complete with a certificate from NABL lab. and checking the IR value before testing and commissioning the bus bar all as specified . Note :- Test sheet of IR value shall be submitted by the contractor, no cost extra shall be paid by the department and all testing requirement shall be borne by the contractor including transportation and T&P.

M&L for replacement of old unsv digital voltmeter, DC, with phase range 200mv to 600V with built in resistance of size 96x96mm, accuracy class 0.5 complete all as specified and directed by Engr-In-charge.

M&L for replacement of old unsv digital ammeter, digital type, of size 96x96mm, accuracy class 0.5 complete all as specified and directed by Engr-In-charge.

M&L for servicing of oil cooled Transformer of capacity 2000 KVA , 33 KV/11KV by disconnecting incoming & outgoing power supply, cleaning the external surface of the transformer, checking the condition of the silica gel, breather assembly, buchholz relay,control wiring, rectifying the leakage of oil through the gasket or through the radiator fins by draining out oil after arranging necessary drums and making necessary disconnections of bushings and other accessories,and replacement of gaskets and oil seals, replacement of cover gasket accessories, refilling of drained transformer oil from the drums and making all the necessary connections and energising the transformer, inspecting all the metering equipments, tightening all electrical connections checking & recording insulation resistance on both LT & HT sides, checking & recording earth resistance complete all as specified & as directed. Note:- a) The above quoted rate includes dismantling of the existing HT cable connected with the transformer and carrying out the meggering test on both HT/LT side and reconnecting the existing HT cable with the transformer. b) The above quoted rate includes all the T&P required for testing and servicing work all as specifed and direcetd. c) The above quoted rate includes all the minor parts required for the servicing i.e. Nuts and bolts, washers, cotton waste, grease etc.

Supplying and laying in repairs synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 or 33 kV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m. complete all as specified and as directed.

Filtration of transformer oil of transformers installed at various locations to achieve di-electric strength not less than 60 KV at 2.5mm gap as per relevant IS with portable filtration plant, testing of the oil for the di-electric strength before filtration and after filtration complete all as directed by the Engineer-in-Charge.

Supply and topping up of transformer oil with di-electric strength not less than 60 KV in to the conservator tank/ body tank of the transformer at various locations of Arga Naval Station complete all as directed by the Engineer-in-Charge.

M&L for earthing complete in repairs with galvanized steel earth plate electrode 600x600x6mm thick buried in ground vertical to a depth not less than 2.25 mtrs deep below ground level with top edge of plate not less than 1.5 mtr below normal ground level connected to galvanized GI strip of size 32 X 6 mm and 40 mm dia bore 7.5 mtr long light grade GI protection pipe for earth strip and GI watering pipe 40 mm dia medium grade from the top edge of earth plate fixed with deep cut on one end of pipe and fix from earth plate up to one feet above ground level of other end and plugged watering pipe at top with MS cap and grouted in PCC 1:2:4 of size 30 X 30 X 30 CM etc and 15 CM alternate layer of charcoal and salt around all sides of earth plate all as shown in electric plate no 3 of SSR part I of 2009. Note :- All joints either strip to strip of strip to earth plate are fixed with welded joints.

Supplying and fixing in repairs 32mm X 6mm ,GI earth strip all as specified and directed

M&L for testing of resistance of earthpits of transformer,panels etc after testing the report shall be furnished in standard format approved by Engineer-in Charge.

M&L for repair and servicing of HT (HT 33 KV) two pole structure by replacing Aluminium PG clamps, GI bolts and nuts, pieces of ACSR conductor with insulation sleeve RYB of any size as jumpers and applying silicon compound for prevention of arcing due to dust/ salt deposits over the surfaces including preparation of surfaces, applying zinc chromate primer on rusted surfaces and applying one coat of aluminum paint to the entire structure complete all as directed. Note:-Rate quoted shall be inclusive of two coats of white wash on exposed concrete .

M&L Cross arms, 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

M&L for servicing of load break switch suitable for 11KV HT by dismantling the existing cable connections with the LBS and repairing the on/off operating lever alongwith spring mechanism for charging/discharging of the breaker, cleaning of all the HT contacts with the anti corrosive liquid spay, repairing the allignment of the contcats all as specified and directed, scrapping of the old paint and painting the LBS with one coat of primer and two coats of super enamelled aluminium paint complete and writing the LBS no and loaction of the outgoing cable in english alphabetic letters all as specifed and directed by Engr-In-Charge. Note: a) All the mior parts required for the reapir of the LBS are included in the above rate b) The size and no of alphabets to be written on the LBS will be decided by the GE.

M&L for replacement of Silica gel breather assembly complete and silicagel including connecting with proper necessary gaskets if necessary, including removing the unserviceable breather assembly.

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Supply and filling Silica gel to the transformer breather of transformer including removing the unserveiceable silica gel

M&L for replacement gun metal drain valves of transformers of following capacities including dismantling old one:-

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Supply only LT Bushings made out Porcelain and suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismatling old one.

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

Supply only HT Bushings made out Porcelain and suitable length/size all as per existing, complete the following capacity distribution transformers of any make/size/type all as directed including dismatling old one.

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

M&L for preparation of old painted surfaces of transformers with coarse cloth/ brush and painting throughout externally on exposed surfaces with two coats of smoke grey colour synthetic enamel paint including writing of transformer details on plinth in white enamel paint on black enamel paint back ground complete including one coat of white wash for base foundation all as specified and directed by Engineer-in-charge for the following capacity in-door/ out-door type transformer:-

(a) 2000 kVA to 3000 kVA

(b) 1000 kVA to 1600 kVA

(c) 100 kVA to 750 kVA

M&L for testing of resistance of earthpits of transformer,panels etc after testing the report shall be furnished in standard format approved by Engineer-in Charge.

M&L for replacement of old unsv capacitor of capacity 50 Kvar for power factor correction panel including dismantling the old unsv capacitor and refixing the new capacitor and carrying out the complete wiring of the capacitor with the existing APFC panel all as specified nad directed. Note: The capacitor is to be of the shape , make and size as per existing capacitor.

Manning and Operation of Main Receiving cum Distribution Sub Station (DSS - 16), 33 KV HT supply including 2 x 625 KVA D.G. set of Make: Cummins installed at site 'E', NAD Karwar for 03 (three) shifts of 8 hours each round the clock on all days including Sunday and holidays, minor daily maintenance/checks, attending breakdown at Distribution Sub Station No DSS 16 all as specified and as directed. The installation comprises of following equipments :- (a) 33 KV,indoor type HT VCBs - 3 Nos (b) Indoor type Power transformer 2 MVA, 33 KV / 433 V - 2 Nos. (c) Main LT Panel board 415 V with ACBs & main switches, MCCBs etc with Bus couplers & power factor improvement capacitor bank. (d) Battery bank for auxillary supply. (e) D.G. Set 415V, 625KVA with connected accessories-2Nos (f) D.G. Set control panel (g) 110 Volts battery bank with charging panel.

NOTES for item No 70:- (a) Contractor has to employ minimum following staff for Manning and operation of the DSS - 16 in all 3 shifts of 8 hours each round the clock :- (i) One skilled electrician / operator per shift of 08 hours (Total 03 shifts per day) having minimum ITI qualificaiton in Electrician trade from Govt recognised institute with adequate knowledge for HT & LT electrical installation / DG Set installation. The operator shall be competent to carryout the routine maintenance of Main distribution sub station all as directed (ii) One helper per shift of 08 hours (Total 03 shifts per day) having minimum 10th class pass.

(b) The Contractor shall not employ same tradesman continuously for more than 11 months. (c) The contractor shall provide 02 uniforms to each operator & helper and design of uniform shall be got approved. In case of failure, a penalty of Rs 100/- per uniform/ day will be levied and recovered from dues. (d) The rate quoted shall deemed to be inclusive of safety gear & required tools for minor maintenance. In case of failure to provide tools kit & safety kit (Gum boots-02 pairs, mask-02 pairs, hand gloves), a penalty of Rs 3000 per month will be recovered and levied

(e) The contractor shall pay the wages to the operators/helpers (as applicable) through e payment i.e Aadhar linked bank accounts(Credit to their bank account). Contractor shall ensure that e-payment made to operator/helper and their wages shall not be less than minimum wages fixed by state Govt or central Govt whichever is more. Monthly e-banking statement shall be furnished by the contractor to the Engineer-in-Charge and the same shall be kept in record duly verified. (f) It is responsibility of contractor to deposit the employees provident fund (EPF) to the concerned authority as per the prevailing scales as laid down by the Ministry of labour for all operator/helper (as applicable) and necessay proof to this regard shall be submitted to GE for verification and records. The quoted rate shall be deemed to be included of above provisions. In case contractor fails to produce the proof of EPF, shall be liable for action as deemed fit. Decision of GE in this regard shall be final and binding. (g) The contractor shall maintain all the registers under various labour law rules, 2017 and shall be produced to GE and as well as officers detailed by labour department.

(h) The operator / helper will ensure general area cleanliness and upkeep of the installation on daily basis. The unit rate quoted shall deemed include for maintenance of earth pits, cutting & removal of vegetation and upkeep of the surrounding area, all around the bldg upto 6m from the plinth protection all as directed by Engineer-in-Charge. In case of failure, a penalty of Rs 5000/- per month will be levied and recovered from dues. (i) The fuel for DG sets will be issued by the department under Schedule 'B' items for consumption and the logbooks regarding the same should be maintained and submitted regularly.General Note applicale for item No 1 :- (a) The operator employed by the contractor shall be capable of carrying out minor repair maintenance & should have well experience in electrical & DG set preventive maintenance. (b) Each shift duration shall be 8 hours & duty timing will be decided by Engr-in-Charge.

(c) The unit rate quoted shall be deemed to be included for cost of labour for daily routine maintenance for trouble free functioning of installation. (d) Checking/Rectification of loose electrical/fuel/water connections. (e) Maintaining the general cleainliness and upkeep of the installation. (f) In case of any abnormal noise/ complaint, the plant should be put off and same should be brought to the notice of Engineer-in-Charge. (g) The operator shall check oil level, fuel and inform Engineer-in-charge/JE regularly. (h) The operator shall check the water / coolant level in radiator daily & top up as and when required. (i) The operator check level of electrolyte and distilled water in battery & top as and when required, maintain the record of specific gravity. (j) Check battery terminals, if found loose, tighten it properly. Battery terminals shall be cleaned regurlarly (k) The quoted rate is deemed to be inclusive of cotton waste, cleaning material etc & operator will ensure general area cleanliness and upkeep of the installation on daily basis.

Manning and Operation of Main Receiving Sub Station at Vajrakosh, 33 KV HT supply , Distribution Substation No-1, Distribution Substation No-2, Distribution Substation No-3 installation at site 'E', Vajrakosh karwar for 03 (three) shifts of 8 hours each round the clock on all days including Sundays and holidays including minor daily maintenance / checks, attending breakdowns at Distribution Sub Station, MRSS, SS 1, 2 & 3 all as specified and as directed

The installation comprises of following equipments :- (a) 33 KV,indoor type HT VCBs - 4 Nos , 33 KV, outdoor type HT VCBs - 1 No (b) Outdoor type Power transformer 3 MVA, 33 KV / 11 KV - 2 Nos., at MRS (c) Outdoor type Power transformer 1600KVA, 11 KV/ 433 V - 1 No at MRS (d) Outdoor type Power transformer 1000KVA, 11 KV / 433 V - 1 No at SS 1 (e) Outdoor type Power transformer 750 KVA, 11 KV / 433 V - 1 No at SS2 (f) Outdoor type Power transformer 315 KVA, 11 KV / 433V - 1 No at SS3 (g) Main LT Panel board 415 V with ACBs & main switches MCCBs etc with Bus couplers & power factor improvement capacitor bank. (h) Battery bank for auxillary supply. (i) 110 V battery bank with charging panel. APFC Panels ,capacitor bank. (j) LT ACBs ranging from 630 Amps to 3200 Amps. (k) Outdoor type feeder pillars.

NOTES for item No 72:- (a) Contractor has to employ minimum following staff for Manning and operation of the Main receiving Substation at Vajrakosh in all 3 shifts 8 hours each round the clock :- (i) One MCM / Supervisor having minimum qualification Diploma in Mechanical / Electrical Engineering from recognized institute with adequate experience in one shift of 8 hrs (Total - 01 No per day) (ii) One skilled electrician / operator per shift of 08 hours (Total 03 shifts per day) having minimum ITI qualificaiton in Electrician trade from Govt recognised institute with adequate knowledge for HT & LT electrical installation / DG Set installation. The operator shall be competent to carryout the routine maintenance of Main distribution sub station all as directed. (iii) One unskilled operator per shift of 08 hours(Total 03 shifts per day) having minimum 10th class pass with adequate experience.

Manning & Operation of DG sets 3 Nos of 1010 KVA capacity of Make : Cummins each installed at Main Receiving Sub Station at Vajrakosh for 03 (three) shifts per day round the clock in all days including sundays and holidays comprising the following equipment all as directed (a) Engine Make :- Powerica (b) Alternator Make :- Toyo denki Power System Ltd. Frame -TD84 (c)VRLA type battery banks with 24 V DC Battery charger dual - 02 Sets (d) Storage tank : Vertical Fuel storage tank -1000 litre capacity each -3 Nos (e) D.G Set synchronising panel with auto / manual synchronising with metering & protection devices -01 No (f) AVR Exciting panel for D.G sets - 03 Nos (g) Generator control panel with measuring instruments control relays & switch gears - 03 Nos (h) DG control panels , synchronising panels etc. NOTES:- (a) Contractor has to employ one electrician per shift of 08 hours (Total 03 shifts per day) having minimum ITI qualification from Govt recognised institute with adequate knowledge & minimum 2 years experience in maint & operation of DG sets. The operator shall competent to carry out the minor maint all as directed.

General Note applicable for item No 71 to 72:- (a) The operator employed by the contractor shall be capable of carrying out minor repair maintenance & should have well experience in electrical & DG set preventive mainteanace. (b) Each shift duration shall be 8 hours & duty timing will be decided by Engr-in-Charge. (c) The unit rate quoted shall be deemed to be included for cost of labour for daily routine maintenance for trouble free functioning of installation. (d) The quoted rate is deemed to be inclusive of cotton waste, cleaning material,Tools, uniform etc. (e) Checking/Rectification of loose electrical/fule/water connections. (f) Maintaining the general cleainliness and upkeep of the installation. (g) In case of any abnormal noise/ complaint the plant should be put off and same should be brought to the notice of Engineer-in-Charge. (h) The operator shall check oil level, fuel and inform Engineer-in-charge/JE regularly. (j) The operator shall check the water / coolant level in radiator daily & top up as and when required.

(k) The operator check level of electrolyte and distilled water in battery & top as and when required, maintain the record of specific gravity. (l) Check battery terminals, if found loose, tighten it properly. Battery terminals shall be cleaned regurlarly (m)The fuel for DG sets will be issued by the department under Schedule 'B' items for consumption and the logbooks regarding the same should be maintained and submitted regularly.

General Note for item No 72 to 73:- (a) The Contractor shall not employ same tradesman continuously for more than 11 months. (b) The contractor shall provide 02 uniforms to each operator & helper and design of uniform shall be got approved. In case of failure, a penalty of Rs 100/- per uniform/ day will be levied and recovered from dues. (c) The rate quoted shall deemed to be inclusive of safety gear & required tools for minor maintenance. In case of failure to provide tools kit & safety kit (Gum boots-02 pairs, mask-02 pairs, hand gloves), a penalty of Rs 3000 per month will be recovered and levied (d) The contractor shall pay the wages to the operators/helpers (as applicable) through e payment i.e Aadhar linked bank accounts(Credit to their bank account). Contractor shall ensure that e-payment made to operator/helper and their wages shall not be less than minimum wages fixed by state Govt or central Govt whichever is more. Monthly e-banking statement shall be furnished by the contractor to the Engineer-in-Charge and the same shall be kept in record duly verified. (e) It is responsibility of contractor to deposit the employees provident fund (EPF) to the concerned authority as per the prevailing scales as laid down by the Ministry of labour for all operator/helper (as applicable) and necessay proof to this regard shall be submitted to GE for verification and records. The quoted rate shall be deemed to be included of above provisions. In case contractor fails to produce the proof of EPF, shall be liable for action as deemed fit. Decision of GE in this regard shall be final and binding.

(f) The contractor shall maintain all the registers under various labour law rules, 2017 and shall be produced to GE and as well as officers detailed by labour department. (g) The operator / helper will ensure general area cleanliness and upkeep of the installation on daily basis. The unit rate quoted shall deemed include for maintenance of earth pits, cutting & removing of vegetation and upkeep of the surrounding area, all around the bldg upto 6m from the plinth protection all as directed by Engineer-in-Charge. In case of failure, a penalty of Rs 5000/- per month will be levied and recovered from dues.

Supply only best quality of engine oil 20W40 type as specified and directed . Make: Servo/Valvoline/Shell/Veedol or as approved by GE

Supply only best quality Inhabitor Corrosion (Coolant ) liquid for DG set all as specifed and directed. Make-castrol/veedol/valoline or as approved by GE.

Supply only best quality of distilled water used for battery of DG set all as specified and directed .

Supply only best quality of engine oil 15W40 type as specified and directed . Make: Servo/Valvoline/Shell/Veedol or as approved by GE

M/S SANTOSH CONSTRUCTION CO (BID ID -3165052)

OM SAI POWER SYSTEMS (BID ID -3169969)

M/S Kumar Contractors (BID ID -3164990)

M/s SCHOLASTIC ENTERPRISES (BID ID -3164941)