LAYING OF 33KV/LT UNDER GROUND CABLES:
Laying of 11 KV/LT cable shall be done in a trench
Location of trench shall be in the foot path along the road.
The minimum size of trench for laying of any cable shall be as follows:
i) LT - 0.7 mts depth x 0.45 mts width
ii) 11 KV - 0.9 mts depth x 0.45 mts width
iii) 33 KV - 1.1 mts depth x 0.45 mts width
Note : Depth is from ground surface to the top the cable
The bottom of the trench shall be carefully leveled and kept free from stones.
Cables shall be laid in ground on a 50mm sand bed and covered on top and sides with sand & earth
Protective shaded stones/RCC slabs painted with APCPDCL shall be placed over the sand on cables and filed with borrowed earth to the level.
Current Rating of 11 KV XLPE , UG Cables.