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 27 Task 1052.4 RFI Review Objective: Review and respond to Contractor Requests for Information (RFIs). Activities/Approach: This task includes the following activities: • Collaborate with City and City’s PM in responding to RFI questions and developing responses. • An estimated 230 RFIs are assumed for response and input by BC team staff. RFI response is budgeted at an average labor effort of 4 hours per RFI. • All RFIs will be vetted by City’s CM staff as to need for office engineering support/response, or direct response by City’s PM or CM. • Sixty (60) hours will be provided for internal document management including tracking, assignment and coordination. • Sixty (60) hours of informal consultation will be provided for City questions and requests for information not related to a Contractor RFI. • Changes to drawings or specifications resulting from RFIs would be implemented as part of Task 1053 Construction Change Support. • Responses will be provided to the City’s CM within 14 working days after receipt. If an RFI response requires more time, the City will be notified. Task Assumptions • City’s CM will administer and manage Requests for Information (RFIs), including processing and tracking, screening for completeness, distributing to the CA, and returning review comments to Contractor. • The City’s CM will notify the Engineer in the event that an RFI requires expedited review Expedited responses will be provided when requested and as is feasible. • The City’s CM will review RFI prior to submittal to BC and address the RFI when possible, without BC review. • The City’s CM will review all RFI responses and provide additional input as necessary prior to submittal to the Contractor. • The City will review and respond to RFIs to which the City has been assigned. • The City will provide BC research materials and field access to respond to RFIs, as required. • RFIs with responses which change contract price or duration will be assigned a Change Order Proposal Number and further tracked as a contract change. • RFIs received beyond the estimated amount may require an increase to the anticipated level of effort. • Number of RFIs and hours is an estimate and may not reflect actual number of RFIs or time required for RFI review. RFI metrics will be reviewed monthly and included in the monthly progress report. • RFI responses will be noted and tracked on Contractor’s redline record drawings and not through reissuance of Contract drawings. Meetings • Allowance of up to 60, 1-hour ad-hoc meetings/correspondence related to RFI issues resolution and response. Work Products