Jacobs Engineering Group, Inc. 1/23/2026

Exhibit A (Scope of Work) • Retaining Wall Plan and Details • Traffic Control Plan 90% Specification Outline Consultant design team will prepare 90% level specifications based upon the 90% design using the WSDOT PSE Program (run-list with individual specifications files). 90% Opinion of Cost Estimate Consultant design team will calculate 90% design level quantities and prepare an opinion of construction costs based upon the 90% construction plans and current unit bid prices. Consultant will address applicable 60% review comments and make revisions as necessary. 90% QA/QC of Deliverables An internal Consultant quality assurance/quality control review of deliverables will be conducted prior to submittal to the City, as well as confirmation that comments received have been addressed. A record of comments received will be maintained. Response to each comment received will be tracked to confirm that they have been addressed. Assumptions: • 60% plan review comments from City staff will be consolidated by the City and conflicting comments will be resolved by City staff prior to transmitting to Consultant. • Comment responses will be provided on the original comment document provided by the City. • Consultant will attend one (1) comment review meeting held virtually. • Preparation of a basis of design or design report for the project is not included in this scope of services. • The City will provide the boilerplate specifications for Division 1. • Specifications will be based on the current edition of the WSDOT Standard Specifications at the time of 90% design development. Any specification edition updates following the 90% submittal are not included in this scope of services. Deliverables: • Responses to 60% comments • 90% design-level plans (PDF) • 90% design-level opinion of cost summary (Excel) • 90% design-level specifications (run-list and individual specifications files, Word)