Brown and Caldwell, Inc. 9/27/2023 Amendment 1

Amendment 1 PSA with Brown and Caldwell for Port Gardner Storage Facility Project Exhibit A Scope of Work 24 Task Assumptions • BC can work directly with HDR to simplify Package D updates within model. • Stormwater system isolation is feasible within existing structures in vicinity of Grand Avenue Pedestrian Bridge Everett Responsibilities • Attend meetings. • Review TMs and provide feedback on recommendations. Meetings • Stormwater peak flow management option meeting. • Maintenance and failure mode selection meeting. • Maintenance and failure mode analysis debrief meeting. Work Products • Stormwater Peak Flow Management brief TM. • LS46 Model-Based Design Recommendations brief TM. • Maintenance and Failure Modes Analysis TM. Phase 450 – Permitting Support Objective: Coordinate project permitting needs between City of Everett and project permitting subconsultant (ESA). Perform Project permitting not completed by environmental subconsultant, including PSCAA NOC, Stormwater Pollution Prevention Plan (SWPPP), and Construction Stormwater NPDES Permits. Permitting subconsultant activities are summarized in Scope of Work Task 415. Activities/Approach: This task includes the following activities: • Develop communication plan for permit coordination between BC, permitting subconsultant, and governing agencies (City and State). • Support and contribute to development of project permitting materials by the City and by the permitting subconsultant. This work includes providing project background information and design documents to the permitting subconsultant. This work may also include drafting permit information or supporting documentation, e.g., for SEPA checklist and Substantial Development Permit prior to bidding. • Organize and attend permitting coordinating meetings with permitting subconsultant, BC design team, and permitting agencies. • Attend pre-application meeting with City Planning Departments. • Prepare Puget Sound Clean Air Agency (PSCAA) Notice of Construction (NOC). • Prepare SWPPP on City’s behalf. Coordinate civil design team to incorporate SWPPP requirements into design documents as needed. • Prepare Construction Stormwater General NPDES Permit application on City’s behalf. • Coordinate BC and City review of subconsultant work products including draft environmental permit applications. • Complete review of City and subconsultant prepared permit applications and supporting documentation. • Organize subconsultant field work to complete project permit applications.