REPAIR/MAINTENANCE OF LT PANELS DISTRIBUTION FEEDER PILLAR BOXES AND OTHER CONNECTED WORKS AT NAVAL PARK NAUSENA BAUGH AMZARI PARK MMT AND ALLIED AREA UNDER AGE E/M-I OF GE (U-I) VISAKHAPTNAM

Amount

Decarburizing/cleaning complete LT 415 Volts 3 phase panel/ bus bar chamber with electrical connections, complete bus bar from the bus bar chamber, cleaning with CTC and ensure proper decarburizing, refixing the same after applying Backtol Red solution to the bus bar insulator & checking all the connections, tightening the nuts, bolts & thimbles of in-coming/out-going system complete incl replacement of defective rusted bolts & nuts all as specified and directed.

Supply and fixing indication lamp, 230 volts AC, LED type colour of RYB complete all as directed. Make :- KAYCEE / TECHNIK / L & T

Supply, fixing, testing and commissioning of following of CT, class of accuracy class 1upto 5 VA,including disconnecting old U/S meter, removed from bus bar, fixing new CT to bus bar with suitable clearance, secondary wiring with FRLS insulated copper conductor and lugs with suitable size complete all as directed. Make:- CROMPTON GREAVES / Schneider / AE/SIEMENS

M & L for replacement of epoxy insulators suitable for supporting of busbars with panel baord base including nuts and bolts and making holes in the CRCA sheet all as as required at site and as directed by Engr-in charge.

Supply & Laying in trenches or fixing on wall or passing through pipe or in cable ducts, 1100 volts grade 3.5/4.0 core XLPE(FRLS) , armoured, electric power cables (heavy duty) with aluminium conductor of the following size . Note : The rate quoted inclusive of termination at ends with suitable aluminium lugs whereever required Make : Polycab / Finolex /Havells

16 sqmm 4 core

25 sqmm 4 core

95 sqmm 4 core

50 sqmm 3.5 core

70 sqmm 3.5 core

120 sqmm 3.5 core

185 sqmm 3.5 core

240 sqmm 3.5 core

Excavating in trenches n. exc. 1.5m wide and n. exc. 1.5m in depth for foundation, trenches for laying cables/ pipe line etc. and getting out in soft/loose soil

Removing excavated materials to a distance n. exc. 50m and depositing where directed at a level n. exc 1.50m above the starting point.

Returning, filling in including spreading leveling watering and well ramming in layers not exc 25cm in any type of soil.

Supply and spreading clean dry sand for cable cushioning in trenches complete all as specified and as directed. (Note: Punned thickness only shall be measured)

Supply and laying sub class 'B' bricks of old size (23x11x7cm) laid along alignment of cable as protection to cable in trenches complete all as specified and directed by Engineer-in-Charge

Supply and replace MCCB 4 pole, 415 V, adjustable type 200 Amps with breaking capacity 25 KA as per site requirment of existing model including necessary modification in the panel with proper lugs complete all as specified and as directed. Make: L&T/Seimens/Schneider/Legrand/IndoAsian

Supply and replace MCCB 4 pole, 415 V, adjustable type 400 Amps with breaking capacity 35 KA including as per site requirment of existing model necessary modification in the panel complete all as specified and as directed. Make: L&T/Seimens/Schneider/Legrand/IndoAsian

Supply and replace MCCB 4 pole, 415 V, adjustable type 630 Amps with breaking capacity 50 KA as per site requirment of existing model including necessary modification in the panel with proper lugs complete all as specified and as directed. Make: L&T/Seimens/Schneider/Legrand/IndoAsian

Supply and replace MCCB 4 pole, 415 V, fixed type upto 63 to 100 Amps with breaking capacity 16 KA as per site requirment of existing model including necessary modification in the panel with proper lugs complete all as specified and as directed. Make: L&T/Seimens/Schneider/Legrand/IndoAsian

Supply and replace MCCB 4 pole, 415 V, adjustable type 250 Amps with breaking capacity 25 KA as per site requirment of existing model including necessary modification in the panel with proper lugs complete all as specified and as directed. Make: L&T/Seimens/Schneider/Legrand/IndoAsian

M&L for dismantling the cable connections of four pole/ three pole Air circuit breaker of capacity 630 to 1000 Amps ,415 V 50 HZ of Make L&T / C&S/GE/ABB, strip opening the Air circuit breaker, inspecting the parts for serviceability/overhauling complete and carrying out the following repairs/maintenance :-

a) Cleaning the insulation parts including bushings with CTC solution.

b) Checking the alignment and condition of movable and stationary contacts and adjust them all as per manufacturer's instructional manual

c) Check the bolts, nuts, washers, cotter pins and all terminal connections are in place and tights. Replace the worn-out parts.

d) Check arc chutes for damage and replace damaged parts.

e) Clean and lubricate the operating mechanism with a light machine oil (SAE-20 or 30) for pins and bearings and with a non-hardening grease for the wearing surfaces . Adjust breaker operating mechanism all as per manufacturer's instructional manual . Replace if there is excessive wear and tear.

f) Checking / inspecting shunt trip coil for serviceability and replacing the same if required.

g) Replacing the badly worn or burned contacts. Checking control device free for operation.

h) Check after servicing the circuit breaker to verify the contacts move to the fully opened and fully closed positions, that there is an absence of friction and that the electrical operation is functional

Note : The rate quoted deemed to be inclusive of T&P and minor spares like lubricants, nuts/bolts/washers/ pins etc. Major spares like contacts, shunt trip coil , relays, CTs etc will be measured & paid separately under relevant schedule items

S&F only cluster contact suitable for air circuit breakers of rating 800 to 1000 Amps rated all as per existing of Make: L&T/C&S/ GE/ABB/Siemens/Schneider

S&F only trip coil suitable for air circuit breakers of rating 800 to 1000 Amps rated all as per existing of Make: L&T/C&S/ GE/ABB/Siemens/Schneider

S&F only auxiliary contact block suitable for air circuit breakers of rating 800 to 1000 Amps rated as all per existing of Make: L&T/C&S/ GE/ABB/Siemens/Schneider

S&F only arc chutes (for 415 V) suitable for air circuit breakers of rating 800 to 1000 Amps rated as all per existing of Make: L&T/C&S/ GE/ABB/Siemens/Schneider

S&F only rating plug suitable for air circuit breakers of rating 800 to 1000 Amps rated all as per existing of Make: L&T/C&S/ GE/ABB/Siemens/Schneider

S&F only shunt release (110 /220 V DC or 240 V/415 V AC) suitable for air circuit breakers of rating 800 to 1000 Amps rated of Make: L&T/C&S/ GE/ABB

S&F only arcing contacts (fixed/ moving) suitable for air circuit breakers of rating 800 to 1000 Amps rated as all per existing of Make: L&T/C&S/ GE/ ABB

M& L for heat shrinkable straight through joint for LT UG cable including jointing kits complete for making joints suitable for aluminium conducter cable of size incl fixtures and fittings etc for the following sizes complete all as specefied and directed. Make: 3M/Denson/Raychem

3.5 core of 240 sq mm

3.5 core of 150 / 185 sq mm

3.5 core of 90 to 120 sq mm

M&L for Removing electric / mechanical connections of old LT UG CABLE from MCCB of existing LT Panel of size from 16 sqmm to 100 Sq mm, 3.5 / 4.0 core including cutting/removing the burnt end/ jointed area and after refixing with new aluminium thimble /lugs set , incl covered with proper insulated tape, clamps, nut bolts etc if required etc all as specefied and directed by engr -in-charge.

M&L for Removing electric / mechanical connections of old LT UG CABLE from MCCB of existing LT Panel of size from 120 sqmm to 240 Sq mm, 3.5 / 4.0 core including cutting/removing the burnt end/ jointed area and after refixing to MCCB/ACB with new aluminium thimble /lugs set , incl covered with proper insulated tape, clamps, nut bolts etc if required etc all as specefied and directed by engr -in-charge.

M&L for taking out the loose or separated Door / canopy / front & back sheet covers for existing the LT panel and refixing the same after welding, provn of nut bolts / hinges if required as per site, proper locking arrangement and fixing of proper earth connection etc complete all as specefied and directed.

M & L for replacement of out door panel board canopy door, made CRCA sheet with 3.15 mm thick, duly power coated with removable door hinges, water proof rubber beading and , locking arrangement with SS aldrop & pad lock/ concealed locking arrangement, Danger notice boards, Panel details including gas welding for fixing the door complete all as directed

M & L for replacement of out door/in door panel board, made CRCA sheet with 2 mm thick, duly notched/punched cavity for operation of switch gear and duly power coated with removable door hinges, water proof rubber beading and , locking arrangement, Danger notice boards, switch gear details including gas cutting & welding for fixing the door complete all as directed

Supply & fabrication of LT Panel Board floor mounted outdoor cubical type with compartments for each out going and incoming feeders made of CRCA of 3.15 mm thick MS sheet power coated of suitable size with support of angle iron of 50 x 50 x 6 mm angle iron bottom legs frame with double hinged with front and rear opening, hinged doors with projected an raised platform of suitable size weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for existing cables, danger notice plate, strickering of Switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS tinned Aluminium bus bar with for three phase and four wire LT AC, 50 Hz ,415 V, 400 Amp capacity complete with powder coating, with accomodating following items:-

Incomer:- 1) MCCB , 4P, 35KA, 250 Amp adjustable type - 01 No Out going:- 1) MCCB, 4P, 25 KA, 100 Amp fixed type - 03 Nos 2) digital Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs - 01 No 3) Aluminium Bus bar for 3 phase supply 4) LED indicating lamp with colour Red, Yellow, Blue - 01 Set Make of ACB/MCCB : L&T/Seimens/Schneider/Legrand/ABB

Supply & fabrication of LT Panel Board floor mounted outdoor cubical type with compartments for each out going and incoming feeders made of CRCA of 3.15 mm thick MS sheet power coated of suitable size with support of angle iron of 50 x 50 x 6 mm angle iron bottom legs frame with double hinged with front and rear opening, hinged doors with projected an raised platform of suitable size weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for existing cables, danger notice plate, strickering of Switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS tinned Aluminium bus bar with for three phase and four wire LT AC, 50 Hz ,415 V, 400 Amp capacity complete with powder coating, with accomodating following items:-

Incomer:- 1) MCCB , 4P, 35 KA, 250 Amp adjustable type - 01 No Out going:- 1) MCCB, 4P, 25 KA, 100 Amp fixed type - 04 Nos 2) MCCB, 4P, 25 KA, 100 Amp fixed type - 04 Nos 3) digital Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs - 01 Nos 4) Aluminium Bus bar for 3 phase supply 5) LED indicating lamp with colour Red, Yellow, Blue - 01 Set Make of ACB/MCCB : L&T/Seimens/Schneider/Legrand/ABB

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

S&F of aluminium lugs to HT/LT cable end for fixing to HT/LT panels , RMU and transformer from the size of 16 sqmm to 70 sqmm complete all as specefied and directed.

S&F of aluminium lugs to HT/LT cable end for fixing to HT/LT panels , RMU and transformer from the size of 90 sqmm to 240 sqmm complete all as specefied and directed.

M&L Earthing Electrode 300 mm length copper coated, 100 microns thickness as per UL standard approved and testing by CPRI, pipe in pipe type inner pipe dia 41.9(min)mm, outer dia 76/80(min)mm annular space filled with high conductivity and anti corrosive compound with connection terminal. M&L infill compound (Chemical) 50Kgs ( 2 Bag each 25 Kgs) Elecrodite/ Humedites constituting natural element not water dissoble reduce soil resistivity highly hygroscopic and swells high conuctivity and anti corrosive retains moisture for a long time . M&L Earth work Vertical excavation in normal soil upto a depth of 3000mm the diameter of the bore hole being minimum 250 mm . installation filling the bottom 4" of the bore with infill compound ( Chemical) vertically placing the electrode in the centre of the pit ,fill the cavity around the electrode with the chemical ensuring there are no air gaps in the chemical filled cavity region make a thick paste by pouring water into the earth pit and mixing the mixture with a pole. complete as directed. including PCC earth Pit and RCC Pit cover complete

M&L earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to poles or any other indicated situation for loop earthing etc as 32x6mm copper strip complete as directed

Preparation of external surfaces of LT panels indoor/outdoor type for painting by scraping down old dusted paint by steel brush broomming rubbing and cleaning applying two coats of synthetic enamel paint as approved and marking feeders by Engineer-in-Charge.

Supply & fabrication of LT Panel Board floor mounted outdoor cubical type with compartments for each out going and incoming feeders made of CRCA of 3.15 mm thick MS sheet power coated of suitable size with support of angle iron of 50 x 50 x 6 mm angle iron bottom legs frame with double hinged with front and rear opening, hinged doors with projected an raised platform of suitable size weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for existing cables, danger notice plate, strickering of Switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS tinned Copper bus bar with for three phase and four wire LT AC, 50 Hz ,415 V, 600 Amp capacity complete with powder coating, with accomodating following items:-

Incomer:- 1) MCCB , 4P, 35KA, 400 Amp adjustable type - 01 No Out going:- 1) MCCB, 4P, 25 KA, 100 Amp fixed type - 03 Nos 2) MCCB, 4P, 25 KA, 63 Amp fixed type - 03 Nos 3) digital Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs - 01 Nos 4) Copper Bus bar for 3 phase supply 5) LED indicating lamp with colour Red, Yellow, Blue - 01 Set Make of ACB/MCCB : L&T/Seimens/Schneider/Legrand/ABB

Supply & fabrication of LT Panel Board floor mounted outdoor cubical type with compartments for each out going and incoming feeders made of CRCA of 3.15 mm thick MS sheet power coated of suitable size with support of angle iron of 50 x 50 x 6 mm angle iron bottom legs frame with double hinged with front and rear opening, hinged doors with projected an raised platform of suitable size weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for existing cables, danger notice plate, strickering of Switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS tinned Copper bus bar with for three phase and four wire LT AC, 50 Hz ,415 V, 600 Amp capacity complete with powder coating, with accomodating following items:-

Incomer:- 1) MCCB , 4P, 35KA, 400 Amp adjustable type - 01 No Out going:- 1) MCCB, 4P, 25 KA, 100 Amp fixed type - 03 Nos 2) MCCB, 4P, 25 KA, 63 Amp fixed type - 08 Nos 3) digital Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs - 01 Nos 4) Copper Bus bar for 3 phase supply 5) LED indicating lamp with colour Red, Yellow, Blue - 01 Set Make of ACB/MCCB : L&T/Seimens/Schneider/Legrand/ABB

Supply & fabrication of LT Panel Board floor mounted outdoor cubical type with compartments for each out going and incoming feeders made of CRCA of 3.15 mm thick MS sheet power coated of suitable size with support of angle iron of 50 x 50 x 6 mm angle iron bottom legs frame with double hinged with front and rear opening, hinged doors with projected an raised platform of suitable size weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for existing cables, danger notice plate, strickering of Switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS tinned Copper bus bar with for three phase and four wire LT AC, 50 Hz ,415 V, 600 Amp capacity complete with powder coating, with accomodating following items:-

Incomer:- 1) MCCB , 4P, 35KA, 400 Amp adjustable type - 01 No Out going:- 1) MCCB, 4P, 25 KA, 63 Amp fixed type - 12 Nos 2) digital Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs - 01 Nos 3) Copper Bus bar for 3 phase supply 4) LED indicating lamp with colour Red, Yellow, Blue - 01 Set Make of ACB/MCCB : L&T/Seimens/Schneider/Legrand/ABB

Supply & fabrication of LT Panel Board floor mounted outdoor cubical type with compartments for each out going and incoming feeders made of CRCA of 3.15 mm thick MS sheet power coated of suitable size with support of angle iron of 50 x 50 x 6 mm angle iron bottom legs frame with double hinged with front and rear opening, hinged doors with projected an raised platform of suitable size weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for existing cables, danger notice plate, strickering of Switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS tinned Copper bus bar with for three phase and four wire LT AC, 50 Hz ,415 V, 600 Amp capacity complete with powder coating, with accomodating following items:-

Incomer:- 1) MCCB , 4P, 35KA, 400 Amp adjustable type - 01 No Out going:- 1) MCCB, 4P, 25 KA, 100 Amp fixed type - 03 Nos 2) MCCB, 4P, 25 KA, 63 Amp fixed type - 04 Nos 3) digital Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs - 01 Nos 4) Copper Bus bar for 3 phase supply 5) LED indicating lamp with colour Red, Yellow, Blue - 01 Set Make of ACB/MCCB : L&T/Seimens/Schneider/Legrand/ABB

Taking out & dismantling of old existing LT FPB cubical panels, removing electrical and mechanical connections complete , dismatling of PCC etc including all necessary arrangements, labour & tools as required at site etc complete all as specefied and directed.

Earthing complete with Galvanised Steel earthplate of size 60x60cmx6mm thick electrode and 50x6mm GI strip as earth lead, buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5m below ground level, connected to 50x6mm earth strip by means of nuts, bolts, check nuts and washers of GI all as shown in electrical plate No.3 of SSR Part-I, connected to earth test terminal point all as specified or as indicated including testing on completion (Rates inclusive of neccessary excavation in any type of soil, earth work, PCC pit, PCC/CI cover, funnel with watering pipe, suitable size of light grade GI Protection pipe 80 mm for earth strip in ground etc. all as required at site for complete earthing).

Supply & fabrication of LT Panel Board floor mounted outdoor cubical type with compartments for each out going and incoming feeders made of CRCA of 3.15 mm thick MS sheet power coated of suitable size with support of angle iron of 50 x 50 x 6 mm angle iron bottom legs frame with double hinged with front and rear opening, hinged doors with projected an raised platform of suitable size weather and water proof with necessary locking arrangements along with lugs, cable glands of various sizes for existing cables, danger notice plate, strickering of Switcher gear about termination of switch gear, and the nuts/ bolts etc used are to be made of rust proof material incl as per IS tinned Copper bus bar with for three phase and four wire LT AC, 50 Hz ,415 V, 600 Amp capacity complete with powder coating, with accomodating following items:-

Incomer:- 1) ACB , 4P, 36 KA, 630 Amp thermal magnetic release, Manual draw out type - 01 No Out going:- 1) MCCB, 4P, 25 KA, 250 Amp adjustable type - 07 Nos 2) MCCB, 4P, 25 KA, 10 Amp fixed type - 01 No 3) digital Intelligent Panel meter to measure voltage, current, frequency, power factor, kWH, etc with all connected CTs - 01 Nos 4) Copper Bus bar of 1000 Amp including PVC sleeves for 3 phase nuetral supply. 5) LED indicating lamp with colour Red, Yellow, Blue - 01 Set Make of ACB/MCCB : L&T/Seimens/Schneider/Legrand/ABB

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