Lower Puyallup River Floodplain Mapping Services

Pierce County is seeking a qualified engineering firm to provide floodplain mapping services for the lower 14 miles of the Puyallup River. The selected firm will be responsible for producing products that meet federal mapping standards and can be used to update the Federal Emergency Management Agency (FEMA) Flood Insurance Rate Maps. The scope of work includes project management, outreach and communication, data capture, hydrology and hydraulics modeling, and floodplain mapping. The firm should have experience with FEMA mapping products, HEC-RAS modeling, and the Levee Analysis and Mapping Process (LAMP). • The project requires experience with producing FEMA mapping products, including FIRM, PMR, and LOMR/LOMR. • The firm should have experience with HEC-RAS modeling on major rivers using 2D and 2D/1D hybrid methods. • The project involves working with multiple stakeholders, including local jurisdictions, tribal, and US Army Corps of Engineers. • The firm should have experience with defining a FEMA floodway in a multi-jurisdictional floodplain. • The project requires staff experience and availability for a long-term mapping project.