annual maintenance contract ( preventive ) of 132 kv and 220 kv transmission lines under 132 kv ( oandm ) sub div purkul d . dun , routine work work of patrolling of 132 kv and 220 kv transmission lines tower to tower and submitting the patrolling report in prescribed format , to sub - division , four times in a year . including emergency patrolling immediately after major tripping or any other incidents as per instruction of je / ae incharge , patrolling of lines through top of tower for locating the faults or line defects ( in case the line does not hold / restore the electric supply ) after emergency patrolling of lines as per requirement and as per instruction of je / ae incharge . including labour , t and p and transport facility etc checking points and remedials as per site requirement or as per instruction of je / ae incharge detail of transmission lines are given as following:- , 132 kv purkul jhajhra transmission line , 132 kv purkul majra transmission line , 132 kv khodari dhakrani transmission line , 132 kv dhakrani dhalipur transmission line , 220 kv khodari chibro transmission line ckt -ii , 220 kv khodari chibro transmission line ckt -i , work of lopping chopping of trees and its branches under the transmission lines in field / corop / jungle by removing one by one all branches and stems developing towards the line / line conductors and removing it from gallery , four times in a year with all safety majors to minimise the future tripping and unwanted outage in transmission lines under o and m subdivision purkul , 132 kv purkul jhajhra transmission line , 132 kv purkul majra transmission line , 132 kv khodari dhakrani transmission line , 132 kv dhakrani dhalipur transmission line , 220 kv khodari chibro transmission line ckt -ii , 220 kv khodari chibro transmission line ckt -i , work of thermovision scanning of transmission lines / of all tension towers b type , c type , y , z type towers in whole transmission lines , locating and identifying the hotspots in transmission lines , and providing the details of temprature observed , 3 times in a year as the details of lines given in annexure b ( thermovision camera will be arranged by department / ptcul ) , 132 kv purkul jhajhra transmission line , 132 kv purkul majra transmission line , 132 kv khodari dhakrani transmission line , 132 kv dhakrani dhalipur transmission line , 220 kv khodari chibro transmission line ckt -ii , 220 kv khodari chibro transmission line ckt -i