Brown and Caldwell, Inc. 4/11/2026 Amendment 1

Port Gardner Storage Facility West Marine View Drive Storm and Combined Sewer - Exhibit A Scope of Work 36 • At the Project Representative’s request, BC staff will provide civil observations by civil engineer. Civil observations by civil engineer will total up to one hundred (100) hours. Deliverables: • Written observation report, summarizing work observed, persons present at the site visit, and any corrective actions needed in electronic format. Task 1054.8 Technical Support Objective: Provide technical support, coordination, and oversight to the specialty services identified in Phase 1054. Activities/Approach: • Coordinate specialty services activities. Provide oversight and arrange meetings. • Provide technical support to specialty services providers, up to four (4) hours per month. Deliverables: • Meeting agenda and meeting summaries. Phase 1055 – Package 2 Close-out Period Services Provide support to the City in procedures required to finalize project components and document completion for City records. Task 1055.1 Completion Activities Objective: To assist with project closeout procedures, prepare construction completion documentation. Activities under this task generally extend from 60 days prior to substantial completion to engineering services project closeout. Activities/Approach: This task includes the following activities: • Complete discipline engineering walkthroughs to develop corrective work items (punch list items) to supplement those items already noted by the City’s CM. o Discuss corrective work items completion and contribute to decision to sign-off corrective work items with City’s CM. Assumptions: • City’s CM will create, manage, and track Corrective Work Items List • City’s will transmit documentation from the construction record not already in BC’s possession for preparation of the Construction Completion Report. • The City will host final walkthroughs for the purpose of corrective work items assessment. • The City will track Corrective Work Items List, including signing off completed items. • The City will complete warranty items lists and track warranty items completion. • The City will contribute IDRs and progress meeting minutes to Construction Completion Report • The City will complete letters of substantial and final completion. • BC will not provide warranty period services under this Amendment. Meetings: • On-site corrective work walkthroughs by engineering disciplines.