The Maryland Transit Administration is seeking a contractor to replace 26 existing prefabricated traction power substations for the MTA Light RailLink light rail system serving greater Baltimore, MD. The replacement work includes removal of the existing prefabricated type substation enclosures, and design, fabrication, factory testing, delivery, installation, field testing acceptance testing and commissioning for new 2 MW prefabricated-type traction power substations. The work also includes the addition of 750 Vdc pad-mounted load-break disconnect switches and modifications to existing 750 Vdc duct bank and cable systems to interface the new substations and load-break switches with the existing 750 Vdc power distribution systems at all 28 prefabricated Substation locations. Key responsibilities include: designing and installing the new substations, providing all necessary materials and equipment, and ensuring compliance with relevant codes and regulations. • The contract is expected to last for approximately 10 years, with a total duration of 3650 calendar days. • The contractor will be required to provide a detailed project schedule and timeline. • The contractor will be responsible for ensuring that all work is completed in accordance with the contract specifications and requirements. • The contractor will be required to provide regular progress reports and updates to the Maryland Transit Administration. • The contractor will be responsible for ensuring that all necessary permits and approvals are obtained prior to commencing work.