Description: Providing of equipment earthing repairing or replacement of aviation light and lightning arrestors in BSNL Arunachal Pradesh BA in Zone 4 Name of Work Providing of equipment earthing repairing or replacement of aviation light and lightning arrestors in BSNL Arunachal Pradesh BA Zone 4
Details: SH-I : EQUIPMENT EARTHING - Providing DC equipment earth with 4Nos GI plates by observing the following procedure.a) Digging of earth pit of size 6' x 6' x 10' deep and refilling the same after installing the earth plate system.b) Supplying and installing 4 Nos GI earth plates of size 600mm x 600mm x 6mm thick. c) Drilling holes to the plates, making connections to all the four plates for extending earth using GI bolts and nuts, washers, spring washers, etc.d) Supplying and fixing of 50mm x 3mm thick GI for interconnecting all the four strips horizontally and diagonally to the plates including drilling holes etc.e) Supplying and filling the following artificial soil treatment materials in the earth pit.Charcoal - 500kgs, saw dust - 50kgs, salt - 20kgs, supplying and filling the balance pit with black cotton soil etc.,as required. f) Providing 1/2" dia Gl water pipe (B-class) of approximately length 10' with suitable GI sheet funnel and mesh with necessary threading etc. g) Provid
Sector: Telecommunication