San Diego Gas & Electric (SDG&E)
Mission Substation Expansion
San Diego, California
The Mission Substation Expansion project scope involves the yard expansion of two separate areas of Mission Substation for SDG&E. Major scope items at the 230kV and Control Shelter yard expansion areas include construction of approximately 500LF of reinforced concrete retaining walls, and approximately 200LF of brow ditch. Scope also includes re-contouring of the site in preparation for below grade construction. Scope of services include pre-construction planning, scheduling and contractor management for site development and below grade operations.