Brown and Caldwell Inc. 2/3/2022

Port Gardner Storage Facility Scope of Work 1-06-22 • Review and provide comments on preliminary design documents. Meetings • Workshops and internal meetings covered under Phase 300. Work Products • Stormwater Preliminary Design (30%) Drawings (25 sheets total) (PDF and CAD files). • Stormwater Specification Sections Listing and key draft sections (PDF and Word files). Phase 360 -Cost Estimating Objective: Develop cost estimates for the following phases of the site design package: • Basis of Design • Preliminary(30%) Design Activities/Approach:This task includes the following activities: • Develop AACEI Class 4 construction cost estimate based on the Basis of Design Report. • Develop AACEI Class 3 construction cost estimate based on the Preliminary(30%) design. Task Assumptions • AACEI Class 4 estimate assumes a range of-30%to +50% based on basis of design documents. • AACEI Class 3 estimate-assumes a range of-20%to +30% based on preliminary design documents. Everett Responsibilities • Review demolition package cost estimating Basis of Estimate Report and estimates developed during each design phase. Meetings • No meetings are included under this phase. Work Products • Cost estimates developed from the following design phases: o Basis of Design o Preliminary(30%) Design Phase 700 - Unanticipated Services Objective: Provide budget allowance for potential additional work requested by the City. Activities/Approach:To be determined, based on City requests. No work will be completed under this task without written direction from the City.The budgeted amount for unanticipated services is as provided in Exhibit B. Task Assumptions • Brown and Caldwell will prepare a Project Change Request(PCR)describing each additional and identifiable task under this allowance.The PCR will include a short description of the added scope with budget to be authorized prior to proceeding, unless otherwise directed in writing by the City. 25