Item No.: 8f_supp Meeting Date: February 24, 2026 Terminal 91 West Cruise Berth Dredge Updated Project Authorization - ERL Linda Springmann - Director, Cruise & Elliott Bay Operations Julie Yun - Capital Project Manager, Waterfront Project Management Agenda • Commission Action Requested • Project Objectives • Project Scope • Schedule Risk • Project Cost • Project Schedule • Questions 2 Action Requested Request Commission authorization for the Executive Director to: Approve the updated project authorization request to include the Environmental Remediation Liability (ERL) project in the amount of $250,000 for a total authorization of $550,000 in ERL funding and $750,000 in Operating Expense for the Terminal 91 West Cruise Maintenance Dredging project. Total authorization including this request is $1,300,000 and full project is expected to total $3,250,000. 3 Project Objectives • Secure adequate maneuvering room for both Starboard- and Port-side tie of cruise vessels to support Commission Order No. 2024-08, committing all Port facilities to be service-ready for cruise ships to utilize shore power by 2027 Cruise season. • Comply with MTCA Agreed Order No. DE24768 and all MTCA site requirements for Interim Action Work. • Minimize construction impacts to the natural environment and tribal fishing. 4 Project Scope • Perform maintenance dredge at Main West channel and Southeast pier face to restore full under keel clearance to previously dredge depth of -35 ft MLLW. - Approximately 3,000 CY will be dredged at Main West channel - Approximately 500 CY will be dredged at Southeast pier face. - Dredging at the Southeast pier face will follow all dredging, testing, and disposal requirements per MTCA Agreed Order No. DE24768. • Minimize impacts to natural habitat and water quality. • Minimize construction impacts to tribal fishing. 5 Project Scope: Dredge Footprint Main West Channel Southeast High spots T91 Pier 91 6 Project Risks Risk Description Permit Delay Federal in-water permit review and approval turnaround time; unforeseen government shutdown/resource constraints Presence of DMM discovery during construction will halt work Discarded Military until notification to resume work is issued. Munitions (DMM) Contract Risk Existing MC-Unit Price Dredging contract with single general contractor (GC) will be shared across multiple dredge projects. Probability Med Low Low Impact Mitigation High Proactive engagement with federal/local agencies, tribes, etc. to ensure timely progress toward full permit approval. Med Proactive collaboration with agencies and GC to establish protocol for safe screening/disposal of found DMM's. Low Proactive communication and coordination between internal Port staff and GC to manage resource capacity and phasing. 7 Project Cost Item EXPENSE ERL Total Project Previous Authorizations $750,000 $300,000 $1,050,000 Current request for authorization $0 $250,000 $250,000 Total authorization, including this request $750,000 $550,000 $1,300,000 Remaining amount to be authorized $1,950,000 $0 $1,950,000 Total project cost estimated $2,700,000 $550,000 $3,250,000 8 Project Schedule Item Anticipated Date DORA - Design Authorization Q4 2025 Commission - Updated Design Authorization (ERL) Q1 2026 Design & Permitting Complete Q3 2026 Commission - Construction Authorization Q4 2026 Construction Start Q4 2026 Substantial Completion Q1 2027 2027 Cruise season start April 2027 9 Questions 10