work for earthing of 132 kv tanda thakurdwara line under etd i moradabad - tentative estimate for earthing of 132 kv tanda -thakurdwaraline under etd i moradabad. 2 digging of pit having size 50x50x60cms in mix soil then making of hole of dia 30x30 cm and depth 300 cm by using auger in earth for placing galvanized steel pipe of size 1d-34 mm, od-38mm dia. 2mm thick & 3.0 meter long into the hole & rest hole filling with common salt and charcoal powder mixture. digging of 500x600mm trench from tower foundation chimney to earthing electrode and set right g.1. strip and tightening of g.1. strip with tower stubs and earthing electrode with g.1. nut/bolts and washer & chamfering of thread at tower and earthing electrode and back filling of earth in the trench & pit on 132 kvtanda -thakurdwara. (total no. of tower 99)(1) tension tower no.- 63 ,77,100,109,122 (2) (ii) suspension tower no.- 82,88 94 99 105