REPAIR/ MAINTENANCE OF LT EXTERNAL ELECTRIFICATION DISTRIBUTION NETWORK AND CONNECTED WORKS AT ZONE A, B AND D AREA UNDER GE

Amount

Excavation in trenches in soft/ loose soil n. exc. 1.50m wide and n. exc. 1.50m deep for taking out/ laying cables, pipe lines and getting out complete all as specified and directed.

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

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

Supply, laying/ spreading in trenches excavated dry soil to required width and depth at bottom and top of cable including spreading, levelling, punning for laying/ cushioning of cable all as specified and directed. Note: Punned thickness only shall be measured and paid.

Supply and laying burnt bricks, old size, sub class 'B', laid flat abutting each other, perpendicular to cable with width equal to width of brick laid in trenches for protection of cable all as specified and directed.

Taking out the existing PVC/XLPE, 1100 volts grade, LT UG electric cable of size 25 sqmm x 3.5 core trenches/ walls (or) passing through pipes/in floor removing the unserviceable fault cable and carefully stacking the serviceable cable for reusing complete all as specified and directed. Note:- Excavation and Earth work shall be measured and paid separately under appropriate items:-

All as per item No. 6.00 above but cable size 35 sqmm 3.5 core.

All as per item No. 6.00 above but cable size 50 sqmm 3.5 core.

All as per item No. 6.00 above but cable size 70 sqmm 3.5 core.

All as per item No. 6.00 above but cable size 95 sqmm 3.5 core.

All as per item No. 6.00 above but cable size 150 sqmm 3.5 core.

All as per item No. 6.00 above but cable size 185 sqmm 3.5 core.

All as per item No. 6.00 above but cable size 240 sqmm 3.5 core.

Laying only the under ground cable any type obtained from Items No -06 above in trench/wall/floor etc. are connecting with suitable cable lugs/sleeves etc. and size 25 sqmm 3.5 core complete all as specified and directed.

All as per item No. 14.00 above but cable size 35 sqmm 3.5 core.

All as per item No. 14.00 above but cable size 50 sqmm 3.5 core.

All as per item No. 14.00 above but cable size 70 sqmm 3.5 core.

All as per item No. 14.00 above but cable size 95 sqmm 3.5 core.

All as per item No. 14.00 above but cable size 150 sqmm 3.5 core.

All as per item No. 14.00 above but cable size 185 sqmm 3.5 core.

All as per item No. 14.00 above but cable size 240 sqmm 3.5 core.

Supply & Lay in trenches fixed on wall (or) passing through pipes/in floors connecting up testing and commissioning of XLPE insulated armoured LT UG electric cable with aluminium conductor 1100V grade of size 25 sqmm 3.5 core complete all as specified and as directed.

All as per item No. 22.00 above but cable size 35 sqmm 3.5 core.

All as per item No. 22.00 above but cable size 50 sqmm 3.5 core.

All as per item No. 22.00 above but cable size 70 sqmm 3.5 core.

All as per item No. 22.00 above but cable size 95 sqmm 3.5 core.

All as per item No. 22.00 above but cable size 150 sqmm 3.5 core.

All as per item No. 22.00 above but cable size 185 sqmm 3.5 core.

All as per item No. 22.00 above but cable size 240 sqmm 3.5 core.

M&L cable jointing kit for PVC/XLPE/ LT UG cable jointing straight through heat shrink type joints complete with jointing material and accessories suitable for 25 to 50sqmm 3.5 core cable complete all as specified and directed.

All as per item No. 30.00 above but for 95 sqmm 3.5core cable.

All as per item No. 30.00 above but for 150 to 185sqmm 3.5core cable.

All as per item No. 30.00 above but for 240 to 300sqmm 3.5 core cable.

Supply and laying GI tube light grade 50mm bore with suitable joints and clamps laid in trenches/ floor for cable protection and for drawing earth strip/ earth lead wire etc., complete including taking down old pipe complete all as specified and directed.

Supply and laying GI tube light grade 80mm bore with suitable joints and clamps laid in trenches/ floor for cable protection and for drawing earth strip/ earth lead wire etc., complete including taking down old pipe complete all as specified and directed.

Supply and laying GI tube light grade 100mm bore with suitable joints and clamps laid in trenches/ floor for cable protection and for drawing earth strip/ earth lead wire etc., complete including taking down old pipe complete all as specified and directed.

M & L for PCC type C-1 1:3:6 (20mm graded aggregate) complete all as specified and directed.

Fabrication and installation of cable route indicator made out of 10 mm thick CI plate , oval shape of suitable size and embossed with Mark of " MES LT Cable " including 30 cm length angle iron support and embedded in and including PCC and taking down old ones complete all as specified and directed.

Steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP-22 ( 8.5 metres long) including taking down old poles complete all as specified and directed.

Excavation in trenches additional 1.5m or part there of in depth beyond the first 1.5 m and getting out excavated soil soft/loose soil complete all as specified and directed.

S& F for precast Cement concrete type B2 1:2:4 (20mm graded aggregate complete all as specified and directed.

S& F for precast Cement concrete type C-1 1:3:6 (40mm graded aggregate complete all as specified and directed.

M&L for opening LT, 1100V, ACB front and back side complete after taking shutdown , cleaning, dusting inside & out side of ACB greasing oiling the mechanical parts of ACB and complete servicing including including taking down old LT panels and replacement of the following :- (a) Replacement of tripping coil 440V (b) Replacement of contacts (c) Replacement of wiring for tripping coil (d) Replacement of indicating lamps (e) Replacement of internal wiring for indicating lamps

S&F MCCB adjustable thermal & magnetic setting 415V, 3 pole, 50Hz of capacity 63Amps 16 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 3 pole, 50Hz of capacity 100Amps 16 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 3 pole, 50Hz of capacity 125 Amps 16 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 160 Amps 36 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 200 Amps 36 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 250 Amps 36 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 350 Amps 36 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 400 Amps 36 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 500 Amps 36 KA including taking out old u/s one complete all as specified and directed.

S&F MCCB adjustable thermal & magnetic setting 415V, 4 pole, 50Hz of cap 630 Amps 36 KA including taking out old u/s one complete all as specified and directed.

S& F for GI earthing strip 25x4 mm with nut and bolts complete including taking down old one all as specified and directed .

S&F of GI Strip ISI marked of size 32 x6 mm complete with nuts, bolts and washers, buried in ground including excavation complete and taking out old u/s one all as specified and directed .

Supply , install, testing and commissioning of cubical housing cabinet type LT feeder pillar of outdoor type, platform mounted factory made, totally enclosed dust and vermin proof openable from both front and rear side made out of 3 mm thick CRCA (Cold Rolled Cold Annealed) MS Sheet, Powder coated, CPRI approved having front and rear hinged doors, lifting lugs (2 Nos) , earthing strips at rear side , bottom detachable gland plate complete with suitable size zinc plated and passivated nut, bolts , spring and washers. Necessary foundation work as per manufacturer instruction including foundation and including taking down the old panel required at site and comprising following:- Note :- (i) The rate deemed to be inclusive of disconnecting the LT cable and reconnecting the same with suitable size of cable glands and connecting complete. (ii) LT danger notice with conventional skull and bones indication written with English and local language. Incoming (a) S&F for Electrolytic grade high conductivity solid 4 Nos Aluminium bus bars, rated 800 amps supported at required intervals sleeved with heat shrinkable PVC sleevs. The bars shall be colour coded at required intervals for identification - 04 Nos (b ) S&F for LED Indicating lamps for Main Supply indicating R', Y' B' - 01 Set of 3

Item No. 56.01 Contd/- (C ) S&F Ammeter and voltmeter digital multy meter Nos -01 (d ) S&F for MCCB 630 Amp 50 KA 4 pole Thermal magnetic setting complete - N0s -01 Change over 400 Amp 4 pole outgoing (a ) S&F MCCB of 4 pole of capacity 100 amps, with breaking capacity of 16 KA with fixed thermal & fixed magnetic setting - 02 Nos (b ) S&F MCCB of 4 pole of capacity 125 amps, with breaking capacity of 16 KA with fixed thermal & fixed magnetic setting - 02 Nos (c ) S&F MCCB of 4 pole of capacity 200 amps, with breaking capacity of 36 KA with fixed thermal & fixed magnetic setting - 02 Nos (d ) S&F MCCB of 4 pole of capacity 250 amps, with breaking capacity of 36 KA with fixed thermal & fixed magnetic setting - 02Nos (e ) S&F MCCB of 4 pole of capacity 315 amps, with breaking capacity of 36 KA with fixed thermal & fixed magnetic setting - 01Nos

Material and labour for finding out the cable fault of any size of cable upto LT underground cable and of any capacity of cable with the help of cable fault locator mounting on vehicle and with necessary disconnection of cable from two ends and making connection by joint after repairs and having the following items with electrician at site to find fault of up to length of 10 KM cable complete all as specified and directed by Engr-in-Charge with help of the following accessories- (a) Surge Generator with accessories (b) Head Phone (c) Pin Point Set T-505 with accessories (d) Earthing cable with clamp (e) Cable fault Locator T-905 with accessories (f) TC-808 with accessories (g) Soldering Iron/wire/capacitor unit/capacitor connecting cables/ power cable/nose plier. Notes: Excavation for the cable fault shall be done by the contractor by his own arrangement.

Earthing complete with galvanised steel earth plate electrode of size 60cm x 60cm x 6 mm thick buried directly in ground( earth pit not less than 2.25 m deep below the normal grounded level) with top edge of the plate not less than 1.5m below normal GL connected to GI earth strip of size 32x6 mm by means of bolts, nuts, check nuts washers of GI or steel all as shown in electrical plate No-5 of SSR Part I connected to machinery/equipments installed power house/sub station all as specified including testing on completion. Note No-1 the unit rate shall also include for excavation earth work in any type of soil PCC (1:3:6) type C1 pit RCC 1:2:4 type B-1 cover reinforced with 8 mm dia CTD bars @ 150mm C/C both ways funnel with 15mm bore GI watering pipe 20mm dia bore GI protection pipe wire mesh and copper lugs complete in addition to item No 1(a) to (e) of preamble ( Notes) Under sub heading earthing specified on SI page NO-389 of SSR Part-II 2004.

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