SPECIAL REPAIR AND REPLACEMENT OF UNDERGROUND CABLES, PANELS AND ALLIED WORKS OF ELECTRICAL SUPPLY TO BUILDING NOS OWT-320, OWT-321, OWT-322, OWT-330, OWT-338, OWT-370 AND OWT-371 AT LIKABALI MIL STN UNDER GE 872 EWS

Amount

Disconnecting, taking out old unserviceable under ground cable of rated voltage 1100 V, nominal cross sectional area of main conductor 70 sqmm, upto 4 core, any type from trenches including taking out concrete cable cover/ bricks etc. including removing materials to store for keeping in safe custody or for taking credit (credit for above items should be made as per conditions separately) all as specified and directed by the Engineer-in-Charge.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 70 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Disconnecting, taking out old unserviceable under ground cable of rated voltage 1100 V, nominal cross sectional area of main conductor 50 sqmm, upto 4 core, any type from trenches including taking out concrete cable cover/ bricks etc. including removing materials to store for keeping in safe custody or for taking credit (credit for above items should be made as per conditions separately) all as specified and directed by the Engineer-in-Charge.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 50 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Disconnecting, taking out old unserviceable under ground cable of rated voltage 1100 V, nominal cross sectional area of main conductor 10 sqmm, upto 4 core, any type from trenches including taking out concrete cable cover/ bricks etc. including removing materials to store for keeping in safe custody or for taking credit (credit for above items should be made as per conditions separately) all as specified and directed by the Engineer-in-Charge.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 2 core, nominal cross sectional area of main conductor 10 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

M & L for laying of bricks locally available sub class 'B' bricks (old size) for cable protection cover laid flat and dry in trenches over the cable perpendicular to the direction of cable all as directed.

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

Supplying & laying including taking down in trenches, in road cutting and along pole 80 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

M & L for cable route indicator made out of CI plate 100 dia, 8 mm thick, embossed with lettering "MES LT Cable", welded or bolted onto 35 mm X 35 mm X 6 mm angle iron, 500 mm long duly painted with anti-corrosive paint in brown colour & including necessary earthwork and excavation, embedded in PCC M15(Nominal Mix) using 20 nominal size graded crushed stone aggregate of size 400 mm X 400 mm X 300 mm complete all as specified and as directed.

Dismantling existing LT feeder pillar box/ LT panel board of any type and size including recovering serviceable items including making good disturbed surfaces complete all as specified and as directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

M/s PRABIR ENTERPRISE

ms singh construction

M/S MANASEE

DEBROYENTERPRISE