Brown and Caldwell, Inc. 9/20/2023

PGSF WMVD Storm and Combined Sewer Design Scope of Work 08-25-2023 19 of 41 Category 2: Sensitive information Category 2: For official use only / disclosure permissible by law. • Environmental and Cultural Resources Review o Environmental Field Reconnaissance Conduct a reconnaissance of the West Marine View Drive pipeline alignment to determine if any portions of the alignment are within critical areas or their buffer. Based upon aerial photo review, it appears the entire length is within developed right- of-way, thus avoiding critical areas. o Desktop Data Collection and Review Review publicly available reports and information for the alignment. This information will form the basis for the existing conditions assessment of the project and the critical areas memorandum. o Cultural Resources Review Archaeologists will conduct a background literature review. Staff will monitor the investigatory soil borings conducted by the geotechnical engineers in the project areas to help determine the likelihood of encountering buried archaeological artifacts. Prepare a report that meets the requirements of the Secretary of Interior and Washington Department of Archaeology and Historic Preservation (DAHP) documenting the findings in accordance with Executive Order 21-02. It is assumed that discovery any artifacts during field investigations will not occur, however an Inadvertent Discovery Plan will be prepared in the event of a discovery. ESA recommends that the tribes be contacted about both the Port Gardner Storage Facility Project as well as the West Marine View Drive Projects. ESA will assist with preparation of Tribal notification materials for the city to distribute to the tribes. • Environmental Documentation and Permitting o Critical Areas Memorandum Prepare a critical areas memorandum for the preferred pipeline alignment to discuss existing conditions, potential impacts resulting from project implementation, and any proposed mitigation measures. This document will be necessary for permit submittals to the City of Everett. We anticipate that all construction will occur within developed areas and public right-of-ways, however, some portions of the pipeline alignment occur within the shoreline zone of the Snohomish River Channel/East Waterway of Possession Sound. Direct impacts to critical areas are not anticipated. o Permit Support Lead the Shoreline Substantial Development permit efforts for the portions of the pipeline alignment that are located within 200 feet of the Snohomish River Channel/East Waterway of Possession Sound. ESA will assist with a pre-application for the city of Everett and support the preparation of required permits as needed for the City permits, which are anticipated to include the following: Shoreline Substantial Development permit, critical areas review, clear and grade permit, building permit, right of way use permit. ESA will assist with up to 2 NPDES Construction permits, but the effort will be lead by Brown and Caldwell. o SEPA Documentation Prepare a SEPA checklist in accordance with WAC 197-1, and will include both the Port Gardner Storage Facility project, as well as the West Marine View Drive project. Review of the entire project together will avoid SEPA challenges on the basis of piece- mealing. Budget for this task is split between the two projects. The City of Everett will be responsible for public notification efforts.