Sound Transit Lakewood Layover Yard
TranTech is a major subconsultant to HDR providing a PS&E package for three key infrastructure elements to support the function and operation of the facility: 1. A sanitary sewer collection and disposal system designed and compatible for servicing Sound Transit cars as well as connecting and functioning with the existing collection system. 2. A water delivery and distribution system to address fire protection requirements, wash down facilities for maintenance operations and potable water supply needs. 3. An illumination system for the yard that provides multiple levels of lighting to address security as well as maintenance.