annual maintenance contract of 132 kv majra-kulhal line under oandm div yamuna colony , work of patrolling for one year of 132kv kulhal majra line under 132kv substation majra tower to tower and submitting the patrolling report in prescribed performa to related sub division quarterly basis in a year . clearance of patrolling path by cutting and removing thorned bushes etc below the line in dense forest area and removing the same away from the 27 meter wide gallery . checking points are given as below:- 1 . position of disc insulator . 2 . identification and number of missing tower parts . 3 . dislocation of dampers . 4 . condition of the conductor . 5 . condition of the earth wire . 6 . identification of week joints , deterioration of jumpers , hot points and clamps etc 7 . position of tower earthing . 8 . position of tower foundation . 9 . position of danger plate , number plate and name plate . , lopping and chopping of trees and its branches near and under o and m subdivision majra transmission lines in fields or crops by removing one by one all branches and stems developing towards the line and removing the same from the 27 meter wide gallery of the line safely with rope for safety of line conductors and to minimise future trippings . ( quarterly basis in a year ) .