Annual Maintenance of various 132KV transmission lines under ETSD II Mainpuri under ETD Mainpuri

Regular Tower to Tower ground quarterly patrolling of following lines of 132 KV 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 the line, patrolling shall be done on quarterly basis i.e. 04 times in a year.

132 KV Mainpuri-Safai line (28 km x 4 times )

LILO of 132 KV Mainpuri-Safai line at Dannahar (14 Km x 4 times )

132 KV Mainpuri-Chhibramau line (51 km x 4 times )

LILO of 132 KV Mainpuri-Chhibramau line @ Kusmara (19 km x 4 times )

LILO of 132 KV Mainpuri-Nibkarori line @ Sultanganj (7 km x 4 Times )

Thermal Scanning of 132 KV Lines. (01 times in year) and submit reports of two sets.

Tower top patrolling of line of faulty section to ascertain the faults like polluted insulators, defective insulators & fitting & red hot jumpers.

132 KV Mainpuri-Safai line

LILO of 132 KV Mainpuri-Safai line at Dannahar

132 KV Mainpuri-Chhibramau line

LILO of 132 KV Mainpuri-Chhibramau line @ Kusmara

LILO of 132 KV Mainpuri-Nibkarori line @ Sultanganj

Submission of separate patrolling report for each line on prescribed computerised performa In triplicate (1 Set) after each patrolling dully signed by contractor with In 15 days after completion of patrolling. (5x4 Times)

Strengthening of earthwire including of replacement/tightening of suspension clamp/cooper bond/ bull dog clamp as per side requirements.

Lopping, chopping and cutting of trees branches above 0.5 meter grith in the corridor (27 meter for 132 KV lines) line and stacking of above cuttings at proper place far from the line.

Clearing of bird nest, kites their string and all other related things from the tower of 132 KV Lines.

Emergency patrolling of above line during tripping to detect the exact fault location & type of fault or as per direction of engineer in charge of 132 KV Lines.

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 towerlocation of above Transmission Line.

Tack welding of new nuts & bolts

Back filling of earth across the tower foundation wherever required including cost of material, labour, T&P etc and its transportation up to the site.

Strengthening/replacement of damaged jumpers at tension tower or connecting back jumper in case of jumper faliure

Replacement of damaged/punctured insulators string/disc and fixing new string/disc where required at different tower location of 132 KV Lines including cartage of material from store to work site of the above line. All the manpower and T&P shall be provided by contractor.

Suspension String of 132 KV Lines

Tension String of 132 KV Lines

Tightening/fixing of missing/displaced vibration dampers /arcing horn

Tightening of jumper at tenstion tower of 132 KV Lines.

Replacement of tension fittings/Mid Span joint at varoius locations of 132 KV lines

Carriage and loading/unloading of hardware accessories and material from 132 KV various Substations to work site

De-hoisting of conductor from tension / suspension towers with all hardware accessories including lowering the LT lines with proper safely

Replacement of damage tension fitting/dead end between towers jointing new tension fitting with help of compressor Machine .

Hoisting of conductor from towers with all hardware accessories proper safely.

M/S DHIRENDRA SINGH

Umawala Engineers Pvt. Ltd.