REPAIR/MAINT OF HT ELECTRICAL SERVICES, CONNECTED EQPT/PLANTS (VCBS/TRANSFORMERS) WITH HT CABLES, OH LINES AT BASISTHA AREA UNDER GE GUWAHATI

Excavation in trenches in soft/loose soil n exc 1.5 metre wide and not exc 1.5 metre deep and getting out including forming bottom surface for laying HT cable, foundations etc Complete all as specified and directed.

Returning filling in including spreading levelling watering and well ramming in layer not exceeding 25 cm thick complete all as specified and directed.

Removing excavated material n.exc 50 m and depositing where directed at a level n exc 1.5 metre above the starting point complete all as specified and directed.

Supply & laying sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable) and gently punned down to 18cm thickness complete all as specified and as directed. Note :- Only punned down sand shall be measured.

Supply & laying ISI marked & conforming to IS - 5820 - 1970 unreinforced precast concrete cable cover Class HV, Type I, flat size 300 mm X 180 mm X 40 mm in trenches as protection to HT UG cable complete all as specified and directed.

M&L for making trench less boring hole by suitable means for insertion of GI pipe 80 mm bore for passing cable across the road without cutting the road complete all as specified and directed.

Supply, laying, connecting and testing XLPE HT UG insulated(Earthed),cable laid in trenches/fixed on pole etc with screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) with stranded aluminium conductor, 11000 volts grade, cross sectional area 95 sqmm,3 core conforming to IS-7908 (Part-I)1988, laid in trenches/down through pipe fixed to walls/poles or laid under roads/drains/path/culverts complete of following sizes complete all as specified and directed. Note: Excavation & earth work shall be measured and paid seperately.

M & L for replacement of cable jointing kit for 11 kV grade (Earthed) HT cable for outdoor end termination heat shrinkable type complete with jointing material and accessories suitable for 95 sqmm 3 core XLPE armoured aluminium conductor cable of following sizescomplete all as specified and directed.

M & L for replacement of galvanised tubing light grade including taking down,laid in trenches or fixed to pole and / or laid under road in any position with necessary clamp nut and bolt etc of 100 mm bore size complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 (using 40 mm graded crushed stone aggregate) as in foundation for filling in mass concrete for pole and stay complete all as specified and directed.