UPGRADATION OF TRANSFORMER CAPACITY OF 250 KVA TO 500 KVA WITH CONNECTED SWITCH GEAR ACCESSORIES AT SMQ AREA AT AF STN DIGARU

Supply laying connecting and testing cable XLPE Insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables(heavy duty) with stranded aluminium conductor,1100 volts grade of size 240 sq mm 3.5 core.

Supply, laying connecting & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts (Earthed) grade, of size 95 sq mm 3 core.

Excavation in trenches, in any type of soil not exceeding 1.5m wide or 10 Sqm on plane and not exceeding 1.5m in depth for foundation, Pole, shafts, cesspits, manholes, pier holes, laying of UG cables etc and getting out in any type of soil complete all as specified and directed.

All as per srl item No. 03 above but for each additional 1.5m or part thereof in depth beyond the first 1.5m.

Returning, filling in excavated approved soil, including spreading, levelling, watering and well ramming in layers not exceeding 25cm each complete.

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.

Material and labour for clean and dry sand (unwashed) in trenches and cable ducts including spreading and levelling for cushioning of underground cables all as specified and directed.

Supply and laying well burnt sub class 'B' old size bricks, laid flat dry, in trenches with width of the bricks laid to the axis of cable for cable protection complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable covers class HV type 1, flat of size 300x180x40 mm complete all as specified.

M & L for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and as directed.