Clackamas Water Environment Services (“WES”), referred to as “District”, is seeking Proposals from
consultants to provide engineering services to conduct investigations that will identify Infiltration and Inflow
(“I/I”) sources, design rehabilitation projects to correct the identified I/I sources, acquire permits associated with
the rehabilitation projects, provide construction management services during construction, and conduct post
rehabilitation flow monitoring and analysis to determine level of I/I reduction in the area tributary to the Mount
Talbert Interceptor in Happy Valley and a portion of the City of Gladstone (“City”) sewer system.