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Palmetto Traction Power Substation

Project Highlights 
  • Performed civil, architectural and structural work to construct the TPSS building
  • Installed the building’s electrical services
  • Installed the communications systems
Miami, FL
Parsons (CEI) for Miami-Dade Metro
RailWorks Business Unit 
L.K. Comstock National Transit

L.K. Comstock National Transit provided design-build services to construct a new traction power substation (TPSS) in proximity to the existing Palmetto passenger station on Miami-Dade Metro.


L.K. Comstock was responsible for the civil construction of the TPSS building as well as the required interfaces between the new TPSS and the existing Miami-Dade Metro system. Crews performed the following scope of work:

  • Civil – Site layout plan, soil boring and site survey, and duct banks
  • Architectural – building ground floor, roof, and reflective ceiling plans; wall section; doors and window schedule.
  • Structural - building foundation and ground floor plans, beam schedules, concrete and masonry details and wind design.
  • Electrical – building electrical, lighting protection and grounding, and the traction power system.
  • Communications System - SCADA, telephone, CCTV, fire alarm and security systems.

The project concluded in mid-2013.

Unique Features 

The new substation provides the additional 750 Volts Direct Current (VDC) required for the end of the line and Palmetto Station to be able to handle the 136 new Metrorail vehicles scheduled to be put into operation on Miami-Dade Metro in 2015.