Annual maintenance of various 132 KV and 220 KV Transmission lines under ETD, Mirzapur

Amount

Periodic tower to tower ground patrolling of following lines under ETD, Mirzapur. The work includes are capturing co-ordinates of all tower locations, all power line crossing, river crossings, railway crossing, canal crossing, plantation under line corridor, preparing list of missing/loose/ hanging/ rusted/broken tower parts, stubs, broken chimney/coping, excavated/rain cut tower footings surrounding, damaged revetment walls, missing/damaged tower accessories, conductor accessories and any other deformities observed at any location and submit report in triplicate copy. fixing of missing pieces & tightening of loose/hanging tower parts and nut & bolts and proper punching & tack welding (only missing tower parts nut-bolts & washer will be provided by department) and clearing the entire lines corridor from undesirable plantation, scrapes etc as per schedule mentioned below:- 1-Reguler patrolling will be done four times in a year. 2-Emergency patrolling will be done Immediately as and when required after tripping/breakdown of lines in affected portion only (approx qty twice the length of line in a year) 3-Cleaning of disc insulator will be done once in a year from October to November month (only in polluted area) 4-Thermal scanning will be done once in a year before the summer start. 5-Jumper tightening will be done once in a year after thermal scanning when required. 6-Missing tower parts replacement will be done immediately as per requirement. 7-Checking/tightening of conductor/earthwire /OPGW/ tower accessories will be done once in a year as well as when required. 8-Preventive maintenance/normal breakdown of damaged/broken jumpers/conductor/earthwire/ OPGW/insulator string etc. will be done at various locations immediately. Simultaneous normal breakdown of same line are different lines will be attended in parallel without any delay. 9- Fixing of broken chimney/coping, fixing of damaged revetment walls, removing extra soil from tower legs, fixing of missing nomber plate, danger plate, phase plate (material will be provided by department) fixing of opened earhing material.

220KV Obra-Allahabad D.C. (T.No. 216 to 573) 220KV Obra-Allahabad S.C. (Ckt. III) (T.No. 1 to 323) LILO of 220KV Obra-Allahabad Ckt-II at 220KV S/S Mirzapur (T.No. 01 to 15)

132KV Robertsganj-Mirzapur D.C. (T.No. 118 to T.No. 221) 132KV Mirzapur-Jigna D.C. (T.No. 01 to 77) 132KV Mirzapur-Aurai S.C. (T.No. 01 to 71) 132KV Jigna-Dadarkala DC line (T.NO.1 to 30) LILO of 132KV MZP-Jigna ckt-I at 220KV S/S Mirzapur (T.No. 1 to 14) LILO of 132KV MZP-Jigna ckt-II at 220KV S/S Mirzapur (T.No. 1 to 23) LILO of 132KV MZP-Jigna ckt-II at 132KV S/S Lalganj (T.No. 1 to 99) LILO of 132KV Robertsganj-Mirzapur ckt-I at 132KV S/S Gurudevnagar (T.No. 1 to 50)

Thermal Scanning

Marc vision

M/S SHEKHAR ENGINEERING WORKS