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Thursday, July 1, 2021
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Presiding
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Matt Talley, Dominion Energy SC - Chairman
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10:30 – 10:35
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A Message from our Session Sponsor - Lewis Tree
Welcome, Safety and Leadership Moment - Matt Talley
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10:35 – 11:00
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Colonels Island - Jekyll Island...8.5 Miles in the Marsh
Frank Li, David Gaset, Dan Williams – Georgia Power
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11:00 – 11:30
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Landslide Mitigation
Keith S. Yamatani, Planning & Engineering Supervisor, Transmission Line Engineering – American Electric Power
American Electric Power designs, constructs, operates and maintains thousands of miles of transmission lines in steep mountainous terrain. This presentation will provide an overview of some of the strategies AEP uses to mitigate landslide hazards across their footprint.
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11:30 – 12:00
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Dynamic Line Ratings with Sensors
Horst Lehmann, Senior Engineer Transmission Planning
Eric Rosenberger, Senior Engineer Transmission & Substation Engineering and Maintenance Standards – PPL EU
Overview of PPL’s ongoing pilot to install sensors and implement DLR on three 230kV transmission lines.
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12:00 – 12:30
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Lines 18 and 145 Rebuild Challenges
Matthew Vinson, Transmission Line Engineer III – Dominion Energy
A challenging and unique 8.5-mile 115 kV wreck and rebuild project on Dominion Energy’s Lines 18 and 145 in densely populated Prince William County, Virginia. Keeping three cooperative delivery points energized, crossing Interstate 95 near the Nation’s Capital, and working outages around protected eagle’s nests were among the hurdles this project overcame.
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12:30 – 2:00
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LUNCH BREAK
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2:00 – 2:30
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Wireless Attachments
Tripp Muller, Electric T&D Project Manager – Dominion Energy
Learn about the process of installing cellular antennas and equipment on transmission structures.
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2:30 – 3:00
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46 kV Fault Isolation Automation (FIA) Scheme
Thomas Watkins and Andrew Bowers – Alabama Power
Automation package designed to use Motor Operated Switches and Fault Current Indicators to identify and isolate Faults with-in the Substation Breaker’s reclosing cycle; thus, preventing or reducing customer outages.
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3:00 – 3:30
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Kanawha 345kV Line Mine Fire Relocation Challenges
Aaron Darby, Principal Engineer – American Electric Power
This three-mile relocation project, caused by a subsurface abandoned coal mine fire, created unusual geotechnical and structural challenges for the Transmission Line Engineer. This presentation will go over how AEP developed solutions pertaining to structure settlement and the analysis of vintage aluminum guyed-v latticed towers.
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3:30 – 4:00
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Shipping Channel Crossing
Ganga Pontula, Senior Transmission Line Engineer – Duke Energy
Reconductoring a 230kV double circuit river crossing supported by ~335’ tall towers for Wilmington Port expansion. Critical constraints were project time frame, shipping channel closure schedule with no available outage window in a hurricane prone area.
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4:00 – 4:30
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Long Haul Fiber
Mike Dozier, Alabama Power
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4:30
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Adjourn
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Engineering & Operation, Accounting, Customer Billing & Finance