AECOM Civil Construction specialty contractor SCCI Electric performed the Traction Power Substations Installation project along the Metropolitan Transit System (MTS) Trolley Orange and Blue lines. The work included the installation of 14 1.5 megawatt and two 2 megawatt, 12kV AC, 650V DC TPSS and the decommissioning and removal of eight existing substations.

The scope included 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 and 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.

The project was completed in 2015.