T&D World Magazine

New Substation and Transmission Line to Serve Las Vegas

Sargent & Lundy LLC has been selected by Nevada Power Company to design a proposed new substation and overhead 230/138/12-kV transmission and distribution line. The Collman Substation project is being planned to support the growth of the Las Vegas Resort Corridor and help meet future projected electrical and system reliability demands in the Las Vegas valley. The new gas-insulated 138/12-kV substation would be located within a decorative wall adjacent to Echelon Place, a new casino resort complex under development. Five miles of new 138-kV transmission line, with provisions for a future 230-kV circuit, would connect Collman Substation to Highland Substation to the north and Decatur Substation to the southwest.

Sargent & Lundy's scope of work includes permitting and public outreach support, surveying, land acquisition support, overhead and underground transmission and distribution design, and substation engineering. Sargent & Lundy's team for the project includes Arcadis (Denver, CO) and ENValue (Castle Rock, CO) permitting and public outreach services, Finley Engineering (Lamar, MO) surveying and land acquisition services, and USi (Armonk, NY) and GAI Consultants (Pittsburgh, PA) underground transmission design.

Engineering is scheduled to be completed by June 2008. The project is planned to be in service by June 2009.

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