REPAIR REPLACEMENT AND MAINT OF UNSERVICEABLE UG CABLE, LT PANEL, OH LINE AND CONNECTED ITEMS AT RATNUCHAK MIL STN UNDER GE KALUCHAK

Amount

Dismantling of cross arms of MS channel or angle iron etc. from pole, complete all as specified & directed.

Dismantling of ACSR conductor of any type & size from over head line or LT poles, complete all as specified & directed.

Dismantling of LT insulators of any type, shape & size, complete all as specified & directed.

Taking out old/ unserviceable damaged existing concrete poles of any size/length from existing position after disconnection of electric supply including necessary excavation, demolition of PCC foundation and removing the same from site, complete all as specified & directed.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out in any type of soil for foundation of pole, stay, taking up or laying of cable etc, complete all as specified & directed. Note : Due care shall be taken while deciding cable route for excavation. However any damage to Signal, BSNL, MES cable water/sewage pipe or any other service while excavation will be made good by the contractor and cost of the same for jointing material & labour is deemed to be included in the cost of excavation.

Excavation in trenches n.exc 1.5 mtr wide exc 1.5 mtr in deep but not exceeding 3.0 mtr deep and getting out for foundation of poles etc. in any type of soil, complete all as specified & directed. Note : Due care shall be taken while deciding cable route for excavation. However any damage to Signal, BSNL, MES cable water/sewage pipe or any other service while excavation will be made good by the contractor and cost of the same for jointing material & labour is deemed to be included the cost of excavation.

PCC 1:4:8 type D-2 using 40mm graded crushed stone aggregate as in foundation of poles etc including necessary form work, complete all as specified & directed.

PCC 1:3:6 type C2 using 40mm graded crushed stone aggregate as in stay etc including necessary form work, complete all as specified & directed.

PCC 1:2:4 type B1 using 20mm graded crushed stone aggregate as in coping of pole etc including necessary form work, complete all as specified & directed.

Steel tubular swaged poles in vertical position swaged type 410-SP-31, 9 Mtr long, ISI marked, in one piece, complete with cast iron base plate, finial taper plug, bolts, nuts washers and screws as required, drilling of holes for continious earth wire as specified duly painted with two coats of aluminium paint over a coat of red oxide primer above ground level including painting throughout internally & below GL (externally) with two coats of bituminous paint, numbering of poles with cut stencil lettering in size 6mm thick, 50mm high and white and black strips of size 30cm width each with synthetic elamel paint upto 1.5m above coping etc, complete all as specified and directed. Note:- 1. Earth work and PCC will be measured and paid for seperately under appropriate items.

Stay Assembly using stay rod of 20mm dia with complete accessories as shown in Electrical Plate No 1 of SSR 2009 Part-I such as loop type insulator, porcelain, vitreous white/ brown or green, large size with overall dimensions 90x140mm clearance of hole 25.5mm, stay wire of size 7/4.00mm, stay plate 300x300x6mm thick, 14mm dia 400mm long GI stay bow, 20mm dia 1.80m long GI stay rod, galvanized thimble, etc. including dismantling of old unserviceable stay assembly, complete all as specified & directed. Note :- Earth work and PCC shall be measured and paid for separately)

XLPE insulated, armoured heavy duty electric cable (heavy duty) with aluminium conductor, 1100 volts grade, cross-sectional area 240 Sqmm 3.5 core connected with suitable cable gland and aluminium lugs, laid in trenches or passing through pipes, testing after completion including disconnecting and taking out old unserviceable cable, complete all as specified and directed. (Earth work, brick protection and sand cushioning shall be measured and paid for separately)

All as per Srl item No.12 above but cross-sectional area 185 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 150 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 120 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 95 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 70 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 50 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 35 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 25 Sqmm 3.5 core.

All as per Srl item No.12 here-in-before but cross-sectional area 16 Sqmm 4 core.

All as per Srl item No.12 here-in-before but cross-sectional area 16 Sqmm 2 core.

1100 volts grade heavy duty cable PVC insulated aluminium conductor served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 m apart including 4mm dia suspension GI wire with stranded conductor 10 Sqmm twin core cable flat or circular including taking down old unserviceable service connections, complete all as specified & directed.

1100 volts grade heavy duty cable PVC insulated aluminium conductor served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 m apart including 4mm dia suspension GI wire with stranded conductor 16 Sqmm twin core cable flat or circular including taking down old unserviceable service connections, complete all as specified & directed.

Sand cushioning to under ground cable, laid in trenches 8cm thick below the cable and 15cm thick above the cable after laying and stretching the cable complete punned to 18cm, complete all as specified and directed. Note:- Punned thickness of sand will be measured and paid.

Brick well burnt locally available sub class 'B' laid over sand cushioning for mechanical cable protection in trenches with width of brick perpendicular to the length of cable, complete all as specified & directed.

Returning, filling in (soil), including spreading, leveling, watering and well ramming in layers not exc. 25cm, complete all as specifed & directed.

Removing excavated material to a distance not exc. 50m and depositing where directed at a level not exc. 1.5m above the starting point, complete all as specified & directed.

Structural steel work as in cross arms, bracings, supports, clamp and back plate fabricated from steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed by Engineer-in-Charge and applying two coats of aluminium paint over one coat of red oxide zinc chrome primer after preparation of surfaces, complete all as specified & directed.

Shackle type insulator porcelain vitreous white, brown or green 75mm high and 90mm dia for conductor of working pressure 1100 volts including galvanised mild steel straps of 31x5mm size, 14mm dia insulator bolts, washers and nuts, complete all as specified & directed.

ACSR conductor of any size drawn straight horizontal on over head lines on existing poles including binding with insulators & 15mm dia PVC separator at equal intervals, weight of conductor shall be measured straight horizontal distance between centre of two adjacent poles and calculating weight of conductor of size and length by adding 3% extra for sag, jointing jumpers etc, complete all as specified & directed.

Re-stretching, restraining ACSR conductor laid over, OH LT line on steel/PCC poles after removing the binding from insulators, lowering the ACSR conductor or broken OH line due to any reason, jointing the broken conductor, Re-binding the ACSR with insulators including providing binding wire, jumpering & connecting the existing service cables after re-stretching/ Re-straining to OH line & removing unavoidable sag in the lines, complete all as specified & directed.

Cutting and trimming of trees and branches to clear the over head line in the arc of LT over head line feeders and removal of the trimmed branches of trees, complete all as specified & directed. Notes : (a). Any ACSR conductor damaged during the cuttings of trees / branches shall be repaired and jointed / fixed by the contractor to the entire satisfaction of Engr-in-Charge, without any extra cost and nothing extra shall be admissible from the department on this account what-so-ever. (b). The cutting / trimming of tree branches shall be done to at least 3.00 metre from the outer conductor of OH line. (c). The unit of measurement is 'SPAN' i.e. distance covered between two poles.

Galvanised iron tube 80mm bore light grade (ISI marked) for cable protection to poles/under floor/under roads/alongwith walls complete including MS clamps of flat iron 25x3mm duly painted, GI nuts, bolts and washers & sealing of pipe ends with approved sealing compound including taking down old unserviceable tube, complete all as specified and directed.

Galvanised iron tube 50mm bore light grade (ISI marked) for cable protection to poles/under floor/under roads/alongwith walls complete including MS clamps of flat iron 25x3mm duly painted, GI nuts, bolts and washers & sealing of pipe ends with approved sealing compound including taking down old unserviceable tube, complete all as specified and directed.

Galvanised iron tube 40mm bore light grade (ISI marked) for cable protection to poles/under floor/under roads/alongwith walls complete including MS clamps of flat iron 25x3mm duly painted, GI nuts, bolts and washers & sealing of pipe ends with approved sealing compound including taking down old unserviceable tube, complete all as specified and directed.

Cutting/ boring of road/hard standing to a size of 30cm in width and not exc 60 cm in depth for laying of protection pipe / water line/ cable including returning, filling in, spreading, romoval of surplus soil and providing 100mm thick PCC 1:2:4 type B1 using 20mm graded crushed stone aggregate on top, complete all as specified & directed. Note : Due care shall be taken while deciding cable route for excavation. However any damage to Signal, BSNL, MES cable water/sewage pipe or any other service while excavation will be made good by the contractor and cost of the same for jointing material & labour is deemed to be included the cost of excavation.

MCCB of capacity 63 Amps, 4 pole, 415 volt, 50Hz, rupturing capacity 16 KA (minimum) or higher with adjustable thermal and fixed magnetic release, AC, 50 C/S, complete as per OEM design including taking down old unserviceable MCCB, complete all as specified & directed.

MCCB of capacity 100 Amps, 4 pole, 415 volt, 50Hz, rupturing capacity 16 KA (minimum) or higher with adjustable thermal and fixed magnetic release, AC, 50 C/S, complete as per OEM design including taking down old unserviceable MCCB, complete all as specified & directed.

MCCB of capacity 125 Amps, 4 pole, 415 volt, 50Hz, rupturing capacity 25 KA (minimum) or higher with adjustable thermal and fixed magnetic release, AC, 50 C/S, complete as per OEM design including taking down old unserviceable MCCB, complete all as specified & directed.

MCCB of capacity 160 Amps, 4 pole, 415 volt, 50Hz, rupturing capacity 25 KA (minimum) or higher with adjustable thermal and fixed magnetic release, AC, 50 C/S, complete as per OEM design including taking down old unserviceable MCCB, complete all as specified & directed.

MCCB of capacity 200 Amps, 4 pole, 415 volt, 50Hz, rupturing capacity 36 KA (minimum) or higher with adjustable thermal and fixed magnetic release, AC, 50 C/S, complete as per OEM design including taking down old unserviceable MCCB, complete all as specified & directed.

MCCB of capacity 250 Amps, 4 pole, 415 volt, 50Hz, rupturing capacity 36KA (minimum) or higher with adjustable thermal and fixed magnetic release, AC, 50 C/S, complete as per OEM design including taking down old unserviceable MCCB, complete all as specified & directed.

MCCB of capacity 350 Amps, 4 pole, 415 volt, 50Hz, rupturing capacity 50 KA (minimum) or higher with adjustable thermal and fixed magnetic release, AC, 50 C/S, complete as per OEM design including taking down old unserviceable MCCB, complete all as specified & directed.

Detecting the fault of LT 440 volt overhead/ underground system of any feeder/location with necessary safety, testing equipment, tools and plants and rectify the defects on top priority basis/ as and when required including testing on completion, complete all as specified & directed.

Painting to existing steel tubular poles of any length including cross arms, channels, angle iron support, bracings, clamps etc. with two coats of aluminum paint superior quality of approved make on surfaces exposed to view and making 30cm wide strips (total 5 Nos) with white and black paint alternately on external surface above PCC benching including preparation of old painted surfaces by scraping etc complete and writing pole numbers. of 2 inches bold letters with black paint after painting, complete all as specified & directed.

Supplying, installing, testing and commissioning of CPRI approved, factory made, LT feeder pillar box cubical, outdoor type, floor mounted double door, 3 phase 4 wire, 50 cycles, 415 Volts, made of 3.15 thick CRCA sheet for load bearing members and 16 SWG (1.6 mm thick) for doors covers and internal partitions, duly powder coated on both side, base frame of the panel shall be made of ICMC channel of size 50 x50 x 6mm duly grouted on platform made of brick work in cement mortar 1:4, 15mm thick plastering in cement mortar 1:4 having minimum height of 750mm, the panel shall be provided with separate compartments for each switch gears with hinged door including interlocking with switch gears,

the panel board shall be suitable for AC, 415 Volts, 50 Hz, 3 phase, 4 wire supply complete with epoxy insulated 400 Amps rated high conductivity aluminium bus bars, supported with DMC / SMC barriers and colour coded, prewired with copper cable, the degree of protection IP-54. the panel shall be complete with instrumentation such as LED phase indicating lamps and CT's including extended aluminium strip of rating of Incomer 400Amps and outgoing as per rating of MCCB’s, including aluminium lugs to connect the cable dismantled before etc. and taking down/ dismantling of old unserviciable LT feeder pillar box of any description, complete all as specified, directed & comprising of the followings:-

(a) MCCB 350 Amps, 4 pole with breaking capacity 36KA (Adjustable thermal & magnetic release) - 01 No (Incomer) (b) MCCB 125 Amps, 4 pole with breaking capacity 25KA (Adjustable thermal & magnetic release) - 05 Nos (Outgoing) (c) MCCB 63 Amps, 4 pole with breaking capacity 25KA (Adjustable thermal & magnetic release) - 01 No (Outgoing) (d) Digital LED Voltmeter 3 ph, class 0.5. - 01 No (e) Digital LED Ammmeter 3 ph, class 0.5. - 01 No (f) Phase indication LED lamps - 01 Set (g) CT'S 300/5 - 01 Set

Supplying, installing, testing and commissioning of CPRI approved, factory made, LT feeder pillar box cubical, outdoor type, floor mounted double door, 3 phase 4 wire, 50 cycles, 415 Volts, made of 3.15 thick CRCA sheet for load bearing members and 16 SWG (1.6 mm thick) for doors covers and internal partitions, duly powder coated on both side, base frame of the panel shall be made of ICMC channel of size 50 x50 x 6mm duly grouted on platform made of brick work in cement mortar 1:4, 15mm thick plastering in cement mortar 1:4 having minimum height of 750mm, the panel shall be provided with separate compartments for each switch gears with hinged door including interlocking with switch gears,

the panel board shall be suitable for AC, 415 Volts, 50 Hz, 3 phase, 4 wire supply complete with epoxy insulated 250 Amps rated high conductivity aluminium bus bars, supported with DMC / SMC barriers and colour coded, prewired with copper cable, the degree of protection IP-54. the panel shall be complete with instrumentation such as LED phase indicating lamps and CT's including extended aluminium strip of rating of Incomer 250Amps and outgoing as per rating of MCCB’s, including aluminium lugs to connect the cable dismantled before etc. and taking down/ dismantling of old unserviciable LT feeder pillar box of any description, complete all as specified, directed & comprising of the followings:-

(a) MCCB 200 Amps, 4 pole with breaking capacity 25KA (Adjustable thermal & magnetic release) - 01 No (Incomer) (b) MCCB 100 Amps, 4 pole with breaking capacity 25KA (Adjustable thermal & magnetic release) - 05 Nos (Outgoing) (c) MCCB 63 Amps, 4 pole with breaking capacity 25KA (Adjustable thermal & magnetic release) - 04 Nos (Outgoing) (d) Digital LED Voltmeter 3 ph, class 0.5. - 01 No (e) Digital LED Ammmeter 3 ph, class 0.5. - 01 No (f) Phase indication LED lamps - 01 Set (g) CT'S 200/5 - 01 Set

Earthing complete with galvanized mild steel earth plate electrode size 600mm x 600mm x 6mm thick buried directly in ground (preferably in vertical position) earth pit not less than 2.25 meter below normal ground level with top edge of the earth plate not less 3 meter (BGL), connected to galvanized iron earth lead wire 4mm dia by means of bolts, nuts, check nut and washer of galvanized iron including PCC pit in RCC 1:2:4 type B-1, precast RCC cover with suitable handle, excavation and earth work in any type of soil, 20mm bore “medium grade” galvanized iron water tubing fixed with cast iron funnel and wire mesh and 15mm bore 'light grade' galvanized iron protection pipe for earth lead wire upto 5m length, charcoal, common salt etc including connected to test point and testing on completion, complete all as shown in electrical plate No 3 of SSR Part-I 2009 & as directed.

Aluminium socket and lugs of appropriate size after disconnecting the cable of any size of 1100 volts grade from panel, de-reeling the loop including cutting out and removing the burnt portion of cable end and relaying the serviceable portion in the existing position / layout including necessary earthwork, chases cutting in PCC work, taking out & relaying bricks and making good the disturbed surfaces and testing, complete all as specified & directed for the following sizes :-

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