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 17 •The City will have final decision-making authority on disposition of Change Order Proposals and Change Order Requests and will direct BC when design document revisions are requested. •An estimated 100 change items is assumed with engineer design labor effort of 5 hours per change item. •Expedited responses will be provided when requested and as is feasible. If an expedited review is required, the City will notify BC. •The City or City’s CM will review all COP, WCD and COR responses and recommendations and provide additional input as necessary prior to submittal to the Contractor. •Change items number and design effort is an estimate and may not reflect actual number of items or effort. CO metrics will be reviewed monthly and included in the monthly progress report. •Reissuance of contract drawings may be required for select change issues to communicate design intent at Engineer’s discretion. Contractor’s record drawings will incorporate contract change designs and record information. City’s CM will check Contractor’s redline record drawings include this information. •Price negotiation for Change Orders will be by the City’s CM. •The City will prepare Change Orders for council approval, including processing and tracking, •The City will review and comment on Contractor’s Change Order Requests content and pricing. •The City will provide research materials and field access to respond to change requests, as required, as governed by the Contract. •The City will host ad-hoc meetings related to change issues. Meetings •Allowance of up to 40, 1-hour ad-hoc meetings, attended by 2 Engineer staff members, related to change issues. Deliverables •Contract change design content, including sketches, photos, pdf markups and reissued Contract Drawings to communicate changes to the Contract Documents. Phase 1024 – Package 1 Specialty Services Task 1024.1 Permit Services (Not Used) Task 1054.2 Cultural Resources Services during Construction (Not Used) Task 1024.3 Coordination with Stakeholders Activities/Approach: •Prepare for and attend meetings with Contractor, City’s CM, City PR, and other City staff for the purpose of supporting the City in their coordination of the project with stakeholder agencies (e.g. Port of Everett, Puget Sound Energy, BNSF Railway, and the US Navy, Snohomish County Public Utility District) during construction, as requested by the City. Up to ten (10) coordination meetings, held virtually, will be attended by two (2) BC staff with eight (8) hours per person per meeting, inclusive of the activities listed below. •Compile coordination materials for each meeting, including drawings, evaluation documents, calculations, or other materials, as requested by the City.