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 24 BC will perform site visits at the construction site at a frequency commensurate with construction progress to remain informed and engaged with construction progress and to facilitate RFI responses, submittal reviews, or resolve engineering and permit issues. Activities/Approach: • Prepare for and participate in team meetings with the City PR and other City staff. Site visit meetings will be held at a frequency commensurate with construction progress and on an as needed basis to discuss topics needing a field visit. There will be an estimated total of 40, 2- hour-long site visit meetings, attended by an engineering staff member. Travel time of one and a half hours and one hour of prep and one hour of follow-up coordination is included in the estimate. Submit agenda items for inclusion in the City-prepared agenda at least 3 days prior to the meeting date. An estimated 50 hours of informal consultation will be provided for City questions and requests for information not related to a Contractor RFI. • BC will inform the City PR if a site visit is required. • Create a site observation form. • Attend Contractor safety training as requested by the Contractor and City PR. Assumptions: • The City or City’s CM will schedule and organize the site visits as needed. The City or City’s CM will inform the Contractor of the visit. • The City or City’s CM will provide site access during normal working hours when requested, including prior to and after contractor mobilization to the site. • BC will be provided access to the construction site without requiring advanced notice. • BC will adhere to the Contractor safety requirements in addition to their own Site-Specific HASP. • Ad-hoc field visits will be scheduled on an as-needed basis and will not exceed 8 visits with 2 BC staff each visit. Deliverables: • Field memoranda documenting engineer field visits and meetings attendance notes (for Engineer called meetings) Phase 1052 – Package 2 Engineering Services During Construction Task 1052.1 Conformed Documents Objective: Prepare conformed drawings and specifications that reflect issued addenda. The bid documents and written addenda are the official contract record. Conformed drawings are issued solely for the convenience of the contractor and the larger construction. No new engineering or design will be performed in the preparation of conformed drawings and specifications. Only changes already issued as addenda will be made to the contract documents. Activities/Approach • Remove signatures and add disclaimer to all drawings and front matter of specifications. • Incorporate addenda into drawings and specifications. Up to 150 addenda drawings and 30 addenda specifications will be modified to complete conformed document set, with an average effort of 1 hours per drawing and 1 hours per specification.