Underground Transmission Projects
Location: Las Vegas, Nevada
Client: Colorado River Commission of Nevada
Project consisted of two, 230-kV to 69-kV transformation substations, four, 69-kV to 4.16-kV distribution substations, and eight miles of underground 69-kV distribution to provide electrical power to serve pumping facilities used to transport water from Lake Mead to the southern Nevada area.
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Location: Puerto Rico
Client: Ray Engineers & Associates
To increase system reliability, PREPA is putting its 25.4 mile 115-kV overhead transmission loop around San Juan underground.
Location: Stamford to Norwalk, Conn.
Client: Northeast Utilities Service Co.
Program management and design of 9 miles of double-circuit, 115-kV underground transmission and a build-out for future three-circuit 345-kV upgrade for Northeast Utilities in Connecticut.
Location: San Juan, Puerto Rico
Client: Puerto Rico Power Authority
Engineering assistance to the Puerto Rico Power Authority for Phase I and Phase IV of efforts to increase system reliability through a conversion to underground transmission lines.
Location: Kansas City, Mo.
Client: Aquila Inc. (now Kansas City Power & Light)
Design-build services for Aquila’s 161-kV underground transmission line crossing a golf course and subdivision, the first XLPE solid dielectric cable installed in Aquila’s transmission system.
Location: Delaware, Ohio
Client: Delaware, Ohio, Airport
Joint venture project management, engineering, material procurement, construction and testing of the Crissinger-Tangy 138-kV transmission line underground relocation for the Delaware, Ohio, Airport.
Location: Connecticut
Client: Northeast Utilities Service Co.
The program manager and primary consultant providing routing, permitting, engineering design and construction management services for the 70-mile Middletown-Norwalk electrical transmission project in southwestern Connecticut.