Transmission Line Restoration From July 17 Wind Storm Completed
Sep 9, 2010 10:40 PM
Restoration of Nebraska Public Power District's 230-kV transmission
line, severely damaged in a July 17 wind storm, was completed when the
line was re-energized Monday, Aug. 30.
Crews
completed restoration work on a section of the line between the
District's Riverdale substation, located north of Kearney, to a
substation east near Grand Island Monday afternoon. A total of 129
structures were damaged on the line, with approximately 18 mi of power
lines coming to the ground.
Earlier,
another section of line, running west from the Riverdale substation to
Crooked Creek substation, north of Lexington, was restored August 22.
That section of line saw 87 structures damaged with 14 mi of line down
over two separate sections. A third transmission line, running from
Riverdale to the Tower substation in Kearney, had an additional eight
structures damaged with about one mile of line being downed. That work
was completed several days after the storm.
NPPD's
Transmission and Distribution Manager Tom Kent said that completing the
work and restoring the system back to full operation took a combination
of team work from District employees, contractors, and suppliers to
return the line to service.
"We
met our goal of having the line safely returned to service by the end
of the month," Kent explained, "we used our best available resources,
including stringing of line using a helicopter, to bring the line back
into service. While meeting that goal we also had a safe restoration
effort by employees and contractors.
"NPPD
thanks the many property owners for their cooperation as their property
was impacted by the power lines that were downed and throughout the
restoration process." NPPD will continue to work with those property
owners to restore property and repair damages caused by the downed
lines or reconstruction work.
The
July 17 storm pushed through the area bringing winds that measured
between 70 and 100 miles per hour. While those high voltage lines were
lost that night, NPPD's control center was able to redirect power so
that no customers were without service.
NPPD
estimated the cost of reconstructing the two lines at approximately $12
million, with a portion of the cost to be reimbursed by the Federal
Emergency Management Agency. Final right-of-way clean up and
demobilization for both lines will continue for about two more weeks.
news source: http://tdworld.com/projects_in_progress/announcements/nppd-wind-storm-restoration-0910/
news source: http://tdworld.com/projects_in_progress/announcements/nppd-wind-storm-restoration-0910/
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