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| 1 | M&L for repairs /servicing to existing LT electric panels outdoor type including checking loose connections and tight coonection and cleaning inside /outside all connection, replacing all cable glands, thimbles and lugs as per the size of existing cable, providing new insulation tape to bus bars, repair to broken /hanging doors by fixing hinges or welding the door to make it serviceable, spray painting and testing the entire panel board after the complete servicing upto the satisfaction of Emgr-in-Charge and complete all as specified and directed. Note:- The rate quoted per unit shall deemed to be inclusive of taking out burnt MCB/MCCB/Voltmeter/Ammeter/CT/Busbar/LED indicating lamps of any type and any description etc and refixing the same. New items shall be measured and paid separately as supply only under respective items of BOQ.(i) Cleaning inside the panel and all incoming and outgoing feeders i.e MCCB / Changeover switches /Contactors thoroughly with help of vacucum cleaner.(ii) Checking the loose connections of incoming and outgoing feeders and rectify the same with help of new GI nuts bolts and washers.(iii) Replacing the burnt out colour coated PVC sleeves of main and feeders bus bar with appropriate size of new PVC heat shrinkable sleeves(iv) Replacing burnt out voltmeters/ammeters/Indicating lamps/HRC fuses, New items shall be measured and paid separately as supply only.(v) Replacing burnt out control wiring of ammeter /voltmeter/Indicating lamps and CT\"s with 2.5/1.5 Sqmm copper single core, 1100V grade copper conductor cable.(vi) Replacing burnt out busbar of incoming and outgoing feeders with appropriate size of new bus bar, which shall be measured and paid separately.(vii) Spray painting of panel board with one coat of synthetic enamel paint. |
| 2 | Supply only Aluminium bus bar strip of any size for extension of MCCB terminals for cable terminations, inside the cable alley of LT panel board duly supprted on the FRP/ DMC support insulators including necessary drilling / bending to obtained required shape and size complete all as specified and directed. |
| 3 | Supply only suitable type and size of FRP/DMC bus bar support insulator (Bridge insulator) for fixing the extended aluminium / copper bars for cable termination duly fixed in the body of the panel board including galvanized steel bolts, nuts, washer etc including necessary drilling in the panel body, complete all as specified and directed. |
| 4 | Supply only MCCB 63 Amps, 4 pole adjustable thermal and magnetic release Ics=100% Icu type,16 KA breaking capacity, 415 volts, 50 Hz in existing panel and provision of suitable size of lugs for existing cable complete all as specified and directed. |
| 5 | Supply only MCCB 100 Amps, 4 pole adjustable thermal and magnetic release Ics=100% Icu type,16 KA breaking capacity, 415 volts, 50 Hz in existing panel and provision of suitable size of lugs for existing cable complete all as specified and directed. |
| 6 | Supply only MCCB 160 Amps, 4 pole adjustable thermal and magnetic release Ics=100% Icu type,25 KA breaking capacity, 415 volts, 50 Hz in existing panel and provision of suitable size of lugs for existing cable complete all as specified and directed. |
| 7 | Supply only MCCB 200 Amps, 4 pole adjustable thermal and magnetic release Ics=100% Icu type,36 KA breaking capacity, 415 volts, 50 Hz in existing panel and provision of suitable size of lugs for existing cable complete all as specified and directed. |
| 8 | Supply only MCCB 250 Amps, 4 pole adjustable thermal and magnetic release Ics=100% Icu type,36 KA breaking capacity, 415 volts, 50 Hz in existing panel and provision of suitable size of lugs for existing cable complete all as specified and directed. |
| 9 | Supply only MCCB 400 Amps, 4 pole adjustable thermal and magnetic release Ics=100% Icu type,36 KA breaking capacity, 415 volts, 50 Hz in existing panel and provision of suitable size of lugs for existing cable complete all as specified and directed. |
| 10 | Supply only MCB TPN 63 amp, 415 volts,\"C\" series/curve with rupturing capacity 10 KA, including providing thimble for out going cables complete all as specified and directed. |
| 11 | Supply only indicating lamp holder with LED bulb (Red , Yellow, Blue, Green) type to indicate incoming supply suitable for 230volts AC, complete all as specified and directed. |
| 12 | Supply only 3 phase LED display Voltmeter for voltage measurement range 50-220 volt AC with inbuilt selector switch of size 96x96mm, complete all as specified and directed. |
| 13 | Supply only 3 phase LED display Ammeter CI 1 range 4 digit, CT secondry site selectable 1A /5A with inbuilt selector switch of size 96x96mm, complete all as specified and directed. |
| 14 | S&F in replacement for aluminium tubular lugs of cable size 10 Sqmm to 16 Sqmm, complete all as specified and directed. |
| 15 | S&F in replacement for aluminium tubular lugs of cable size 25 Sqmm to 50 Sqmm, complete all as specified and directed. |
| 16 | S&F in replacement for aluminium tubular lugs of cable size 70 Sqmm to 120 Sqmm, complete all as specified and directed. |
| 17 | S&F in replacement for aluminium tubular lugs of cable size 150 Sqmm to 300 Sqmm, complete all as specified and directed. |
| 18 | S&F in replacement for copper lugs of cable size 10 Sqmm to 16 Sqmm, complete all as specified and directed. |
| 19 | S&F in replacement for copper lugs of cable size 25 Sqmm to 50 Sqmm, complete all as specified and directed. |
| 20 | S&F in replacement for copper lugs of cable size 70 Sqmm to 120 Sqmm, complete all as specified and directed. |
| 21 | S&F in replacement for on load change over switch, 4 pole, 415 Volts, conforming to IEC 60947-3, IS/IEC 60947-3 manual changeover in sheet steel enclosure of capacity 200 Amps rating, 3 phase, 50 Hz, connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc, complete all as specified and directed. |
| 22 | S&F in replacement for on load change over switch, 4 pole, 415 Volts, conforming to IEC 60947-3, IS/IEC 60947-3 manual changeover in sheet steel enclosure of capacity 315 Amps rating, 3 phase, 50 Hz, connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc, complete all as specified and directed. |
| 23 | S&F in replacement for on load change over switch, 4 pole, 415 Volts, conforming to IEC 60947-3, IS/IEC 60947-3 manual changeover in sheet steel enclosure of capacity 400 Amps rating, 3 phase, 50 Hz, connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc, complete all as specified and directed. |
| 24 | Restretching of existing ACSR conductor carefully on LT overhead line of any size and type of span of 3/4 wire and 2 wire of street light,length 40 to 50mtr approximate of each span, including replacement of binding wires for binding of conductor to insulatorincluding taking shut down in writing with all safety measures as per electric rule complete all as directed by the Engineer-in-Charge.(Note :- Materials/T&P like, gloves, safety harness etc. and the like will be provided by the contractor without any extra cost) |
| 25 | S&F for Aluminium conductor steel reinforced (ACSR) of any description including stretching on overhead line on LT poles to required sag and binding with aluminium binding wire to insulators including jumpering the OH line jointingafter dismantling of old unserviceable over head ACSR conductor of any type and size inlcuding all clamps, jumpering etc and kept in safe custody for reuse of serviceable ACSR etc complete all as specified and directed. |
| 26 | S&F for Pin type, porcelain viterous white, brown or green insulator including one glavanised mild steel spindle, two galvanised iron washer and one galvanised iron nut, 100mm height, 65 mm dia for 1100 volts grade after dismantling of old unserviceable pin type insulator complete all as specified and directed. |
| 27 | M&L for Shackle type, porcelain viterous white, brown or green insulator working pressure 1100 volts, 100mm height and 115mm dia including one glavanised mild steel straps 31x5mm wide and 14mm dia bolts, washer and nuts after dismantling of old unserviceable shackle type insulator complete all as specified and directed. |
| 28 | S&F for cross arms, bracings, supports, clamps (including stay clamps, clamps for fixing GI tubes for passing through of cables) and back plates fabricated out of standard steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts in any shape or size as directed and inclusive of providing two coats of aluminum paint over a coat of primer after preparation of steel surfaces including taking down old unserviceable cross arms complete all as specified and directed. |
| 29 | S&F for stay assembly comprising of 300mmx300xx6mm thick galvanised mild steel stay plate galvanised stay rod of 20mm dia 1900mm long galnanised thimble, GI stay wire 7/4 SWG, galvanised steel 14mm dia 400mm long stay bow and GI nuts and washersincluding loop type insulators, vitreous porcelain, white, brown or green of large size with over all dimensions 90mm x 140mm, clearance of hole 25.5mm etc and all other accessories as shown on electrical plate NO 1 on SSR Part-I after dismantling of old unserviceable stay assembly including stay wire complete with necessary demolition of concrete, excavation and earth work as required and removing the same from site complete as specified and directed.(Note - Cost of loop type insulators, stay wire clamp with nuts and washers, excavations, earth work and PCC will include in this item) |
| 30 | M&L for steel tubular swaged poles errected to truly vertical position with 6mm thick mild steel base plate of size 300mm x300mm, welded to Pole, B-118 finial taper plug, bolts, nuts and screws, poles made out of ERW MS tubing conforming to IS-2713 Part-II, type 410-SP-31 (9m long) including drilling of holes of required size for fixing of cross arms, painting the exposed surfaces of pole with two coats of aluminum paint over a coat of red oxide zinc chrome primer and with two coats of black bituminous paint internally and portion embedded in concrete, making five black and white bands at lower portion of pole each 300mm wide at 300mm spacing alternately and marking pole number. with black paint at suitable height including taking down old unserviceable broken steel pole of 9 mtr long complete all as specified and directed.(Note :- Necessary excavation of earth work, removing, returning filling in, PCC foundations of poles, coping etc shall be measured and paid separately) |
| 31 | Supply,laying, jointing and testing,XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 300 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed.(Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE). |
| 32 | Supply,laying, jointing and testing,XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 185 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed.(Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE). |
| 33 | Supply,laying, jointing and testing,XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 120 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed.(Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE). |
| 34 | Supply,laying, jointing and testing,XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 95 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed.(Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE). |
| 35 | Supply,laying, jointing and testing,XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 70 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed.(Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE). |
| 36 | Supply,laying, jointing and testing,XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 35 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed.(Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE). |
| 37 | Supply,laying, jointing and testing,XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade of size 25 sqmm 3.5 core laid in trenches, ducts, pipes, on poles and connection with necessary cables lugs, glands nut bolts complete after taking down old unserviceable cable all as specified and directed.(Note :- Excavation of earth work, removing, returning filling in, sand cushioning, concrete cable cover and protection GI pipe shall be measured and paid separately and length of cable shall be one length unless otherwise as directed by GE). |
| 38 | Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m depth not exceeding 10sqm on plan for laying of cable and foundation of poles stays and getting out in soft / loose soil complete all as specified and directed. |
| 39 | All as per Srl item No 28.00 here-in-before but exceeding 1.5 m and not exceeding 3 m in depth and getting out in soft / loose soil complete all as specified and directed. |
| 40 | Returning, filling in including spreading, leveling, watering and well ramming in layers not exceeding 25 cm (soil) thickness all as specified and directed. |
| 41 | Removing of excavated material (soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed. |
| 42 | M&L for dry sand cushioning to underground cable, provided with a layer 8 cm thick before and 15 cm deep after laying and stretching jointing and testing the cable complete all as specified and as directed.(Note: Punned thickness of sand shall be measured and paid). |
| 43 | M&L for brick covering with width equal to length of brick as mechanical protection to cable using sub class ‘B’ bricks laid flat,size 230mm x 115mmx 75mm, complete all as specified and as directed. |
| 44 | Cutting existing road surface or hardstanding, bituminos topping 15cmbut n. exc 30cm girth for laying of pipes/ cables and making good to disturbed surface to match with existing, complete all as specified and as directed. |
| 45 | M&L for PCC 1:4:8 (nominal mix) type D-2 (using 40mm graded crushed stone aggregates) as in foundation filling and mass concrete of poles and stay/installation etc complete all as specified and directed. |
| 46 | M&L for plain cement concrete 1:2:4, type B-1, using 20mm graded stone aggregate) as in coping of poles and the like including weathering, slightly rounded or chamfered angles and throating including necessary form work, complete all as specified and directed. |
| 47 | M&L for double wall corrugated pipe (DWC) of 75mm dia conforming to IS 16205 Part-24 and IEC 61386 (Part-24) for cable protection under/ above ground surface, complete all as specified and directed. |
| 48 | M&L for double wall corrugated pipe (DWC) of 100mm dia conforming to IS 16205 Part-24 and IEC 61386 (Part-24) for cable protection under/ above ground surface, complete all as specified and directed. |
| 49 | M&L for 100mm dia galvanized steel tubing (light grade) with complete all fittings such as elbow, unions, nipples, tees, bends, short pieces, connections, check-nuts, caps, plugs, diminishing pieces and flanges etc as in pole, crossing of roads, laid in trenches, fixed on walls for cable protection including taking down old GI pipe complete all as specified and directed. |
| 50 | M&L for 80mm dia galvanized steel tubing (light grade) with complete all fittings such as elbow, unions, nipples, tees, bends, short pieces, connections, check-nuts, caps, plugs, diminishing pieces and flanges etc as in pole, crossing of roads, laid in trenches, fixed on walls for cable protection including taking down old GI pipe complete all as specified and directed. |
| 51 | M&L for 50mm dia galvanized steel tubing (light grade) with complete all fittings such as elbow, unions, nipples, tees, bends, short pieces, connections, check-nuts, caps, plugs, diminishing pieces and flanges etc as in pole, crossing of roads, laid in trenches, fixed on walls for cable protection including taking down old GI pipe complete all as specified and directed. |
| 52 | S&F in replacement for off load change over switch, 4 pole, 415 Volts, conforming to IEC 60947-3, IS/IEC 60947-3 having side handle, manual changeover in open execution of capacity 200 Amps rating, 3 phase, 50 Hz, connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc, complete all as specified and directed. |
| 53 | S&F in replacement for off load change over switch, 4 pole, 415 Volts, conforming to IEC 60947-3, IS/IEC 60947-3 having side handle, manual changeover in open execution of capacity 250 Amps rating, 3 phase, 50 Hz, connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc, complete all as specified and directed. |
| 54 | S&F in replacement for off load change over switch, 4 pole, 415 Volts, conforming to IEC 60947-3, IS/IEC 60947-3 having side handle, manual changeover in open execution of capacity 400 Amps rating, 3 phase, 50 Hz, connected to incoming and outgoing cables with suitable lugs, glands, nuts, bolts, and washers etc, complete all as specified and directed. |
| 55 | M&L for fault finding on LT cables of any size and any length with fault detective machine by thumbing method and suitable high voltage complete all as specified and directed. |
| 56 | S&F in replacement for cable jointing Straight through joint for 1.1 KV grade cable for straight through joint complete with jointing material (Heat shrinkable) and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm, complete all as specified and directed. |
| 57 | S&F in replacement for cable jointing Straight through joint for 1.1 KV grade cable for straight through joint complete with jointing material (Heat shrinkable) and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 120 to 185 Sqmm, complete all as specified and directed. |
| 58 | S&F in replacement for cable jointing Straight through joint for 1.1 KV grade cable for straight through joint complete with jointing material (Heat shrinkable) and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 240 to 300 Sqmm, complete all as specified and directed. |
| 59 | Supply , install, testing and commissioning of busbar chamber panel of size not less than 1200mmx800mmx600mm, factory made pedestal cubicle type, double door, outdoor type,CPRI approved manufacturer, modular construction fabricated out of 3.15mm thick MS sheet, epoxy powder coated to give superior finish, totally enclosed, dust and vermin proof IP-55 class with locking arrangement (compratment wise) front & back side opening system including air louvers at both side, rain shed 15cm all round, platform mounted having minimum clearance 450mm above ground level suitable for 415volts 3 phase, 4 wire system 50 Hz supply, having aluminium busbar strip (three phase & neutral) duly tapped in colour coded FRP sleeves install on porcelain /epoxy insulator, floor mounted type based on angle iron frame and legs 50x50x5mm thick, front and rear opening with double shutter and having locking arrangement including grouting of panel with necessary PCC foundation 1:2:4, type B-1 using 20mm graded stone aggregates including internal wiring in the panel with PVC insulated multi stranded copper conductor cable 16sqmm, 1100 Volt grade IS 694 marked including and comprising of followings components after dismantling of old unserviceable bus bar chamber with all fitting and fixtures etc as under :- |
| 60 | INCOMING:-(a) MCCB, 250 Amp, 4 Pole, 50 Hz, 415 with microprocessor release having protection against over current, earth fault, short circuits and inbuilt battery and display system-01 no (b) Digital voltmeter range 0-500 volts, 3 phase, 4 digit, high resolution, LED type with onsite programmability-01 No (c) Digital ammeter 0-300amp three phase with copper wound CT coil assembly of suitable ratio & size class-I accuracy 0.5 VA burden & onsite programmability-01 No(d) Indicator LED type with holder key flush mounted RYB with toggle switch of 3 pcs LED type - 1 set (h) Aluminium bus bar strip made of size 50x8mmsuitable length -04 nosOUTGOING:-(a) MCCB 160 Amp, 4 Pole, 50 Hz, 415 hanving rupturing capacity 26 KA with thermal magnetic release and adjustable on load, Ics=100%, Icu -02 Nos (b)MCCB 100 Amp, 4 Pole, 50 Hz, 415 hanving rupturing capacity 16 KA with thermal magnetic release and adjustable on load, Ics=100%, Icu -02 Nos (c) All outgoing MCCB shall be connected through spreader and copper busbar not less than 5mm thick strip.Notes :- (i) Rates are deemed to be inclusive of PCC platform of suitable size of 45 cm height and 04 Nos legs of 50mm x 50mmx6mm & 60cm in height for fixing the panel (ii) MCCB shall be fixed in suitable sheet metal enclouser made up of 3.15mm thick CRCA sheet. (iii) Danger notice plate (02 Nos) LT size 20cm x 15 cm shall be fixed on the panel (iv) Panel shall be from CPRI approved make.(v) Make of panel and drawing shall be got approved from GE before placing order for procurement. (vi) All existing cable connections will be disconnected from old panel carefully and reconnected with new panel by providing glands and thimbles |
| 61 | Supply , install, testing and commissioning of busbar chamber panel of size not less than 1000mmx800mmx500mm, factory made pedestal cubicle type, double door, outdoor type,CPRI approved manufacturer, modular construction fabricated out of 3.15mm thick MS sheet, epoxy powder coated to give superior finish, totally enclosed, dust and vermin proof IP-55 class with locking arrangement (compratment wise) front & back side opening system including air louvers at both side, rain shed 15cm all round, platform mounted having minimum clearance 450mm above ground level suitable for 415volts 3 phase, 4 wire system 50 Hz supply, having aluminium busbar strip (three phase & neutral) duly tapped in colour coded FRP sleeves install on porcelain /epoxy insulator, floor mounted type based on angle iron frame and legs 50x50x5mm thick, front and rear opening with double shutter and having locking arrangement including grouting of panel with necessary PCC foundation 1:2:4, type B-1 using 20mm graded stone aggregates including internal wiring in the panel with PVC insulated multi stranded copper conductor cable 16sqmm, 1100 Volt grade IS 694 marked including and comprising of followings components after dismantling of old unserviceable bus bar chamber with all fitting and fixtures etc as under :- |
| 62 | (a) MCCB, 160 Amp, 4 Pole, 50 Hz, 415 with thermal magnetic release Ics=100% Icu -01 no (b) Digital voltmeter range 0-500 volts, 3 phase, 4 digit, high resolution, LED type with onsite programmability-01 No (c) Digital ammeter 0-300amp three phase with copper wound CT coil assembly of suitable ratio & size class-I accuracy 0.5 VA burden & onsite programmability-01 No(d) Indicator LED type with holder key flush mounted RYB with toggle switch of 3 pcs LED type - 1 set (h) Aluminium bus bar strip made of size 50x8mm of length should not less than 600mm -04 nos (as outgoing)Notes :- (i) Rates are deemed to be inclusive of PCC platform of suitable size of 45 cm height and 04 Nos legs of 50mm x 50mmx6mm & 60cm in height for fixing the panel (ii) MCCB shall be fixed in suitable sheet metal enclouser made up of 3.15mm thick CRCA sheet. (iii) Danger notice plate (02 Nos) LT size 20cm x 15 cm shall be fixed on the panel (iv) Panel shall be from CPRI approved make.(v) Make of panel and drawing shall be got approved from GE before placing order for procurement. (vi) All existing cable connections will be disconnected from old panel carefully and reconnected with new panel by providing glands and thimbles |
| 63 | M&L for for painting of LT PCC poles of any type with two coats of acrylic emulsion oaint over a coat of primer including making alternate strip each of 30cm height with yellow and black synthetic enamel paint upto 1.2m height from top of PCC coping including two layers of cement base paint on coping, complete etc all as specified and directed. |
| 64 | Cutting/trimming of tree branches upto 100mm thick under OH HT/LT electric line including cleaning upto 1.00 mtr horizontal distance on both sides of OH electric line from ground level of the poles including removing all creepers small bushes etc of under OH line upto 60 mtr each sapn and depositing the cut branches upto 50mtr from the pole including taking shut down in writing with all safety measure as per electric rules complete all as directed by Engineer-in-Charge.(Note :- Materials/T&P like Axes, rope, gloves,safety harness etc. and the like will be provided by the contractor without any extra cost ) |
| 65 | M&Lfor earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried 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 deep below normal ground levelconnected to and including 25X4mm thick galvanised iron strip by means ofbolts, nuts, checknuts and washers of galvanised iron or steel all as specified in electrical plate No 3 of SSR (2009) part-I including 40mm bore GI pipe light grade for protection of earth strip and PCC 1:2:4 type B-1 as in pit, Precast RCC earth pit cover 8 cm thick reinforced with 8mm dia TMT bars @150mmc/c and two handles, excavation and earth work in any type of soil and alternate layers of charcoal, common salt and 20mm bore galvanised medium grade steel tubing for watering with one end fixed with cast iron funnel and wire mesh and testing on completion complete after dismantling of old unserviceable earthing with all material etc all as specified and directed.(Note:-Earthwork, Earth strip and protection pipe upto board is included in the rate quoted) |
| 66 | M&L for earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of the earth plate at a depth not less than 1.5 mtr below ground level, earth plate surrounded by and packed with 15 cm thick layer of char coal dust and common salt, earth lead GI wire 4.00 mm dia by means of bolts, Nuts, Check Nuts and washers of galvanized iron and thimbles and other end of the earth wire connected to main switch board and protected by galvanized iron pipe light grade 15 mm bore and water pipe 20 mm bore GI light grade with funnel and wire mesh PCC chamber in cement concrete 1:3:6 type C-2 & RCC cover all as specified & shown in elect plate No. 3 of SSR part I of 2009 including testing on completion after dismantling of old unserviceable earthing with material etc. complete all as specified and directed. Note:-Earthwork, Earth strip and protection pipe upto board is included in the rate quoted. |
