Brown and Caldwell, Inc. 9/27/2023 Amendment 1

Amendment 1 PSA with Brown and Caldwell for Port Gardner Storage Facility Project Exhibit A Scope of Work 38 • Along with Engineer, conduct comprehensive performance testing of all processes, process equipment, instrumentation and control systems, utilities, and support systems during Commissioning. • Attend factory and off-site testing, as desired. • Adhere to approved Start-Up and Testing Plan submittals and Methods of Procedures (MOPs). • City’s CM to document testing and commissioning activities in IDRs. • City’s CM to document startup and testing meetings, including preparing meeting notes. Meetings • Allowance for 22 start-up and testing visits/meetings on-site and 22 virtual meetings related to all start-up and testing activities. Work Products • Field memoranda content related to startup and testing. • Programming corrective work items list. Task 800 – Completion Activities Objective: To assist with project closeout procedures, perform an arc flash study to confirm as-built conditions, prepare an Engineer’s electronic O&M Manual, and 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. • Discuss corrective work items completion and contribute to decision to sign-off corrective work items with City’s CM. • Conduct arc flash study based on as—built facility conditions. This task includes performing a site visit to confirm breaker settings and updating the SKM model developed during Phase 500 (intermediate design) to reflect the installed electrical equipment. Following confirmation of the arc flash calculations, BC personal will print and apply arc flash labels at the PGSF site. In addition, the final arc flash study results will be document and included in the Construction Completion Report. • Prepare record drawings following final completion with caveats noted under task assumptions. • Prepare a Construction Completion Report consisting of a compilation of the following from the DMS: − Executed Change Orders and Field Orders − RFI Responses − Final accepted versions of Division 2-33 Submittals, excepting preliminary or final O&M manuals. − Field memoranda − Inspector’s Daily Reports (IDRs) − Materials/testing laboratory reports − As-built conditions arc flash study results − Startup and testing reports