Owner: San Diego Association of Governments
Contract value: $12,946,533
The scope of work for the installation of SANDAG-furnished traction power substations (TPSS) along the Metropolitan Transit System (MTS) Trolley Orange and Blue lines consists of installing fourteen 1.5 megawatt and two 2 megawatt, 12kV AC, 650V DC TPSS and the decommissioning and removal of eight existing substations. The locations are within the Cities of San Diego, Chula Vista, Lemon Grove, La Mesa, and National City. Work includes site preparation; existing facility removal and decommissioning; grading; utility work, including water, storm drainage, fiber, electrical, and signaling relocation; site improvements, including access roads, fencing, wall construction; TPSS foundation pad construction and associated duct work and ground grid; OCS modifications; and procuring all materials and performing all other work necessary to complete construction in accordance with the project plans and specifications.