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HELICOPTER HIGH-WIRE JOB, WALT WHITMAN BRIDGE ACCESS RESTRICTIONS POSTPONED UNTIL TUESDAY

 HELICOPTER HIGH-WIRE JOB, WALT WHITMAN BRIDGE
 ACCESS RESTRICTIONS POSTPONED UNTIL TUESDAY
 PHILADELPHIA, Aug. 3 /PRNewswire/ -- Philadelphia Electric Company (NYSE: PE) said today that its helicopter-assisted high wire replacement -- and Walt Whitman Bridge access restrictions -- have been postponed until Tuesday morning, August 4.
 The project involves the use of a specially trained lineman on a platform suspended beneath a helicopter, working at the top of wire towers 110 to 150 feet in the air.
 To prevent traffic accidents from motorists watching the operation, Eastbound access ramps to the Walt Whitman Expressway from Passyunk Ave. and the Schuylkill Expressway will be shut down from approximately 10:30 to 11 a.m, as the chopper works overhead.
 Westbound traffic off the bridge will be detoured at the Broad Street exit during that time period.
 The unique, week-long wire replacement project to improve electric reliability in Southwest Philadelphia was postpned on Monday, due to communications problems between the helicopter and the control tower at Philadelphia International Airport.
 On Tuesday, the helicopter team will take off about 6:45 a.m. from PE's Island Avenue substation, at Island Avenue and Lindbergh Boulevard.
 It will begin servicing wire towers at the company's Grays Ferry substation, Washinton and Grays Ferry avenues, working its way along and above the 25th Street Conrail right of way toward Passyunk Avenue.
 The operation involves five miles of wire, stretching from PE's Grays Ferry substation to the Passyunk substation at 25th Street and Passyunk Avenue, to the Island Road substation.
 The wire being replaced is a ground, or static, wire which protects the 230,000 volt conductor wires beneath it from lightning strikes. It will be replaced by both a new ground wire and fiber optic cable. The wires will be de-energized during the operation.
 The fiber optic cable will allow PE to improve its relay capabilities between transmission lines serving the area, thus improving electric reliability for its customers.
 PE has contracted the helicopter portion of the project to Agrotors, Inc., of Gettysburg, Pa. While the pilot hovers with precision over each of the 78 structures supporting the wire, the lineman on the helicopter platform will release clamps holding the wire and install a roller block under the wire.
 When all the clamps between substations have been released and the blocks installed, PE crews on the ground will pull the old wire off the structures and the new wire on.
 /delval/
 -0- 8/3/92
 /CONTACT: Bill Jones of Philadelphia Electric, 215-841-4129/
 (PE) CO: Philadelphia Electric Company ST: Pennsylvania IN: UTI SU:


MJ -- PH030 -- 6334 08/03/92 16:50 EDT
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Publication:PR Newswire
Date:Aug 3, 1992
Words:430
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