Annual maintenance of various 765/400/220 KV Transmission lines under ETD, Robertsganj for one year

Amount

Periodic tower to tower ground patrolling of following lines under ETD, Robertsganj (as per details enclosed with Part-I). The work includes capturing of co-ordinates of all tower locations, all power line crossing, river crossings, railway crossings, canal crossings, plantation under line corridor, preparing list of missing /loose/ hanging/ rusted/broken tower parts, stubs, broken chimney/coping, excavated/rain cut tower footings their surroundings, 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, scrapers 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 at different locations/different lines will be attended in parallel without any delay.

1. 765 KV Anpara C to D S/C line (2X2.6 Kms) 2. 400 KV Anpara B to D ckt-I&II (2X5 Kms) 3. 220 KV Obra-Allahabad ckt-I&II (loc No. 01 to 216) (2X76 Kms) 4. 220 KV Obra-Allahabad SC line (loc No. 323 to 507) (1X81 Kms) 5. 220 KV Obra-Sahupuri SC line (loc No. 01 to 271) (1X86 Kms) 6. 220 KV Obra-Robertsganj SC line (loc No. 01 to 99) (1X29.2 Kms) 7. 220 KV Churk-Sahupuri SC line (loc No. 01 to 203) (1X49 Kms) 8. 220 KV Robertsganj-JCIC Churk SC line (loc No. 01 to 37) (1X6.4 Kms)

Thermal Scanning during period for one years of above ckt length

shiv shankar enterprises

M/S KSHITIJ ENTERPRISES