Site work and paving for a bridge / tunnel in Lake Cushman, Washington. Conceptual plans call for site work for a bridge / tunnel; and for paving for a bridge / tunnel.

This proposal calls for the removal of 212-foot corrugated metal pipes and replacing them with a single span bridge. This project will include full PS&E contract documents for culvert removal and construction. This work will include geotechnical, hydraulic design, environmental permitting, hydrology, and structural design. The structure will meet current bridge design standards and is estimated to be 80 foot in length and 30 foot in width. Consultant services are to include location, character, and dimensions of prescribed work including layouts, profiles, cross-sections, and other details, such as, complete existing deck repair design, necessary documents required for Mason County Public Works to obtain the required environmental permits, new bridge deck design, preparation of plans, preparation of technical specifications, construction cost estimate (PS&E), construction engineering and management support, Traffic Control Plan, and bridge load ratings per NBI & WSBIS. Bridge Load Rating requirement is HL93. Mason County encourages disadvantaged, minority, and women owned consultant firms to respond. All prospective consultants are advised that EEO Compliance Review will be used on this project. Also, consultants must meet a thirteen percent (13%) DBE Goal following the 2022 Local Agency Guidelines 26.4-Consultant Agreement Procedures. Questions regarding this RFQ shall be sent via email to: pwprojects@masoncountywa.gov. Questions and answers will be posted daily at bxwa.com.