REPAIRS AND MAINTENANCE OF ELECTRIC NETWORK SYSTEM AND PAINTING TO E/M INSTALLATIONS FENCING, OF MCTE AREA AND OTHER CONNECTED WORKS UNDER GE MCTE MHOW

Amount

Excavation in trenches not exc. 1.5 Mtr wide and not exc 1.5 Mtr deep in any type of soil and getting out complete all as specified and directed.

All as per item No.01 but depth exc 1.5 Mtr and not exc 3.0 Mtr deep all as specified and directed.

Returning filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in any type of soil complete all as specified and directed.

Removing surplus excavated soil material to a distance not exc 50m and depositing where directed at a level not exc 1.50m above the starting point complete all as specified and directed.

M&L for filling approved fine river sand in trenches as cable cushion to the full width of excavated trench, under and over cable complete all as specified directed. (Note : Punned thickness of sand shall be measured)

M&L for bricks slightly over burnt (kiln burnt), modular bricks, best quality, locally available, laid flat, dry, laid in trenches along the length of cable transvarsally with width equal to length of brick for cable protection all as specified directed.

Taking out existing stone aggregate of any description cleaning/ removing the grass, vegetation etc, leveling the ground, well ramming and finally spreading the aggregate uniformly all as directed.

Supply and spreading graded stone aggregate of size 40mm for transformer yard complete all as specified and directed.

Taking down damaged PCC/ steel pole/ strut of any size all as specified and directed.

M&L for steel tubular swaged poles complete with MS base plate, finial taper plug, bolts, nuts & screws type 410, SP-31 (9 mtrs long), erected to truely vertical position, painting externaly embedded portion in PCC with black bitumenous paint and externally exposed to surfaces with aluminium paint in two coats, making five alternate strips 30cm wide with black and yellow paint in two coats, marking MES number with black paint complete all as specified and directed. (Note : Excavation and PCC will be measured and paid for separately under respective items of this schedule)

M&L for PCC 1:4:8, type D2 (using 40mm graded crushed stone aggregate) as in base, foundation filling of the pole, all as specified and directed.

M&L for PCC (1:3:6), type C2 (using 40mm graded crushed stone aggregate) as in coping for poles, etc all as specified and directed.

M & L for PCC (1:2:4), type B1 using (20mm graded crushed stone aggregate) as in coping of poles including necessary use and waste of form work and finishing exposed surfaces even and smooth complete all as specified and directed.

Taking out old unserviceable underground cable heavy duty armoured with aluminum conductor of any size and all as specified and directed.

Sppply & Laying XLPE insulated, armoured, electric cable with aluminium conductor, multi stranded 1100 volts grade, laid in trenches, fixed on poles/ walls or passing through pipes including provision of necessary lugs and glands & making necessary connection complete all as specified and directed for the following:- (Note:- Excavtion and earth work, cable protection sand cushioning will be measured and paid seperately)

10 Sqmm, 2 core.

16 Sqmm, 2 core

16 Sqmm, 4 core

25 Sqmm, 3 1/2 core

35 Sqmm, 3 1/2 core

50 Sqmm, 3 1/2 core

70 Sqmm, 3 1/2 core

95 Sqmm, 3 1/2 core

120 Sqmm, 3 1/2 core

150 Sqmm, 3 1/2 core

185 Sqmm, 3 1/2 core

240 Sqmm, 3 1/2 core

300 Sqmm, 3 1/2 core

S&F GI tubing, light grade, ISI marked 50mm bore pipe laid in trenches/ duct or in road crossing or fixed to wall/ poles for protection of cable incl taking out old pipe of any grade complete all as specified and directed.

All as per item No.16 but 40mm bore pipe.

S&F MCCB, TPN, fixed type, thermonagnetic release, 415 Volts, including taking out old unserviceable MCCB of any type and make complete of following sizes :- Make : C&S/ Havells/ Indo Asian/ L&T/ Legrand

(a) 40 Amps 18 KA

(b) 63 Amps 18 KA

(c) 100 Amps 18 KA

(d) 125 Amps 26 KA

(e) 150 Amps 26 KA

(f) 200 Amps 26 KA

(g) 250 Amps 26 KA

(h) 300 Amps 37 KA

(j) 350 Amps 37 KA

(k) 400 Amps 37 KA

M&L for painting of old RCC poles cross arms after preparation of old surfaces with two coats of synthetic enamel paint of approved colour incl making alternate strips of black and yellow colour of 30 cm width each above the top of coping/ GL and marking MES No with black paint complete all as specified and directed.

M&L for painting of steel tubular poles 9m long with cross arms with two coats of aluminium paint of approved make after preparation of surfaces, making five alternate strips 30cm wide with black and yellow paint above GL/ plinth and marking MES No with black paint complete all as specified and directed.

M&L for painting to old chain link fencing and steel sections post with two coats aluminum paint over a coat of aluminium red-oxide complete including preparation of old steel or iron surfaces all as specfied and directed.

Cutting the existing bituminuos road for passing of UG Cable in road crossing and making good the disturbed surface of road to its original specification complete all as specified and directed.

S&F in replacement of aluminium lugs including testing complete of following sizes :-

Cutting, trimming and prunning of trees/ tree branches of any girth all around existing two pole structures/ LT Panel/ surrounding street light and flood fitting including cleaning the area beneath and removing the debris from the site and depositing where directed.

M&L for cleaning the area including uprooting of weeds/ grass and removing creepers from fencing or poles/ posts and brooming the complete area of sub station around panels, transformers and four pole structures all aspecified & directed.

Taking down unserviceable/ burnt out MCB from existing LT Panel board duly disconnected all electrical connection & Supply and fixing new MCB SP 6-32 Amps, incl making necessary cable connection complete all as specified and directed. Make :- C&S/ Indo Asian/ L&T/ Havells/ HPL.

Taking down unserviceable/ burnt out MCB from existing LT Panel board duly disconnected all electrical connection & Supply and fixing MCB 63 Amps TPN, incl necessary cable connection complete, all as specified and directed. Make :- C&S/ Indo Asian/ L&T/ Havells/ HPL.

Supply & laying or fixing 1100 volts grade havey duty 4 sqmm twin core flat/circular PVC insulated aluminium conductor served with an inner shething of PVC tape overall PVC sheathed in service connections suspended by insulating hangers not more than 1 mtrs apart.

All as per item No.28 but 6 Sqmm 2 core

All as per item No.28 but 10 Sqmm 2 core

Supply and jointing LT kit, heat shrink type suitable for 1100 V, XLPE, UG aluminum conductor cable of size 25 to 50 Sqmm 3.5 core and testing after jointing all as directed.

All as per item No.31 but 70 to 95 sqmm dia

All as per item No.32 but 120 to 240 sqmm dia

Supply and jointing LT kit, epoxy type suitable for 1100 V, XLPE, UG aluminum conductor cable of size 95 to 120 Sqmm 3.5 core and testing after jointing all as directed.

Supply and fixing cable route indicator, made of MS sheet of size 200mm x 150mm x 3mm thick, spot welded with angle iron of size 40 x 40 x 5mm thick, 750 mm long embedded in PCC (1:2:4) type B-2( using 40mm graded crushed stone aggregate) block 30cm x 30cm x 40cm in ground including one coat of synthetic enamel black paint over one coat of red oxide zinc chrome primer and writing with white paint showing size of cable HT/ LT complete all as specified & directed.

Supply and errecting LT Panel outdoor type CPRI approved mounted and fixed with PCC foundation, made out of MS sheet factory assembled & factory fabricated out of 3.15mm thick sheet steel with suitable size MS angel frame duly spray painted with two coats of gray synthetic enamel paint over one coat of red oxide zinc chrome primer after preparatiion of surface, with required civil works & with and including 4 Nos aluminium bus bars 600 Amps with suitable size porcelain insulators & wiring with copper cable of suitable size, connecting including indicating lamp LED type for each phase, incl in built industiral type locking arrangement, front operated and back openable incl necessry arrangement for fixing with suitable clamps, nuts & bolts etc. The panel pre wired with PVC insulated copper conductor danger notice board, feeders marked, and testing & commissioning, complete consisting of the following :-

All as per item No.36 but with the following :-

S&F for chain link fencing and steel sections post with two coats aluminum paint over a coat of red-oxide complete including preparation of old steel or iron surfaces all as specfied and directed.

Taking down old unserviceable capacitor of any capacity and replace with new Duca Power XD capacitor, withstand Harmonic overloads upto 4 Amp Max current, low losses 0.2 watt/ KVAR, three phase, temperature range (-) 25 degree centigrate to 70 degree centigrate of the following rating :- Make : Neptune or equivalent approved.

Taking down old unserviceable power contactor of any capacity and replace with new contactor three phase of the following sizes:- Make : Havells/ L &T / ABB

Contactor for capacitor heavy duty 3 pole with AC coil 1NO 0NC 25 Amps.

Contactor for capacitor heavy duty 3 pole with AC coil 1NO 1NC 40 Amps.

Contactor for capacitor heavy duty 3 pole with AC coil 1NO 1NC 95 Amps.

Taking down old unserviceable Harmonic Block Reactors for Detuned System for any capacity and replace with new Harmonic Block Reactors for Detuned System for 50 KVAR capacitor, three phase copper wound with an iron core and air gap, highest quality material b, high class insulation,filtering factor 7% all as specified and as directed.

Supply and Fix in repairs Solar LED light fitting 24 watt with high efficiency all-in-one Solar street light Mono Crystel, Lithium Ferro Phosphate battery with in-built BMS technology, MPPT Solar Charge controller and aluminium extruded body with PIR motion sensor automatically control the dimming and brightness of light, battery capacity 30AH, IP65, temp 5700K complete all as directed.

Supply and errecting LT Panel outdoor type mounted and fixed with PCC foundation, made out of MS sheet factory assembled & factory fabricated out of 3.15mm thick sheet steel with suitable size MS angle frame duly spray painted with two coats of gray synthetic enamel paint over one coat of red oxide zinc chrome primer after preparatiion of surface, with required civil works & with and including 4 Nos aluminium bus bars 600 Amps with suitable size porcelain insulators & wiring with copper cable of suitable size, connecting including indicating lamp LED type for each phase, incl inbuilt industrial type locking arrangement, front operated and back openable incl necessry arrangement for fixing with suitable clamps, nuts & bolts etc. The panel pre wired with PVC insulated copper conductor danger notice board, feeders marked, and testing & commissioning, size of panel 2'x2'x1' complete all as directed.

M&L for earthing complete with steel earth plate eletrode 60cm x 60cm x 6mm thick buried directly in ground vertically (earth pit not less than 2.25 mtr below ground level) with top edge of plat not less than 1.5 mtr below ground level connected to GI strip 32x6mm by means of bolts. nuts,check nuts and washers etc including protection pipe 15mm dia up to 7.5m length , provision the earth lead to earth connection in ther main distribution box with lugs and GI nuts,bolts, earthing shall be done all as per shown electrical plate No 5 of SSR part 1 Including neccessary excavation in disintergratedand hard soil and 20mm dia GI pipe with funel for watering PCC earth chamber 100mm thick precast RCC cover with suitable precast RCC frame and earth test point and testing in presence of Engr -in -Charge.

Supply, installation¸ testing & commissioning of waterless and maintenance free earthing with earth (grounding) electrodes and PCC pit with cover. (a) Earth Electrode: 17.2mm dia copper bonded MS rod shall be in-situ cast in electrically conductive concrete earth enhancing material mixed with cement. Size of embedding of electrically conductive concrete earth enhancing material shall be 85mm dia. The electrode of 3000mm should be able to withstand a fault current upto 35kA (Peak) for 1 second duly tested from recognized National Test laboratories like CPRI, ERDA, ERTL, MSME etc (not more than 18 months old). The ratio of mixing of conductive concrete to cement should be 3:1. Other hardware like nut, bolts and washers should be of stainless steel.

Ms Kailash Chandra Babulal