WORK FOR PATROLLING AND ANNUAL MAINTENANCE OF 220 KV MATAUR NEHTAUR LINE AND 132 KV NEHTAUR KALAGARH LINE UNDER ETD DHAMPUR.

Amount

WORK FOR PATROLLING & ANNUAL MAINTENANCE OF 220 KV MATAUR-NEHTAUR LINE & 132 KV NEHTAUR KALAGARH LINE UNDER ETD DHAMPUR.

Regular Tower to Tower ground patrolling and Tower top patrolling wherever required of 220/132 KV line, detection of defects like missing/theft tower members, hot point, puncture insulator disc, dislocation of vibration dampers/damaged conductor/earthwire, checking of foundation & position of tree in the corridor of 35/27 meter of the line. Patrolling shall be done on tri-monthly basis i.e. 04 times in a year.

Submission of patrolling report on prescribed computerized performa in 5 nos. after each patrolling duly binded along with one soft copy.

Lopping, chopping of trees in the 35/27 Meters corridor of line and stacking of above cuttings at proper place far from the line.

Fabrication & fixing of tower members including cartage of steel angles from S/S store, punching holes for proper placement tightening of Nuts & bolts punching & chamfering at different tower location of above Transmissin lines.

Strengthening/Replacement of damaged jumpers at tension towers.

Replacement of damaged/puncture insulators string at different tower location including cartage of material from store to work site of the above line. All the manpower & T&P shall be provided by tenderers for completion of work.

(A) For Suspension String

(B) For Tension String

Repairing of damaged ACSR Zebra/Panther Conductor by providing repair sleeve/mid span joint.

Strengthening/Attending breakdown of loose earthwire/OPGW including replacement/tightening of suspension clamp as per site requirement.

Clearing of nest from the tension tower insulator formed by birds.

Attending breakdown of broken ACSR Zebra/Panther conductor by jointing it with mid span joint/dead end compression joint including lowering down of conductor and compressing of repair sleeve/mid span/dead end compression joints and restringing of the same up to 01 Km. to complete the job satisfactorily.

Thermovision scanning by high resolution Infra-Red camera (min resol 240x320) using telephoto lens of 7-14 degree (min distance 150 mtr.) of all section tower jumpers of line including all mid span joints, repair sleeves etc during load condition. Submission of report in hard & soft copy images showing recorded temprature of thermovision camera.

Emergency patrolling of 220/132 KV lines during tripping to detect the exact fault location & type of fault.

KARAN SINGH