IMCO General Construction 5/9/2022

City of Everett,Washington I Water Filter Plant- Phase 2 Capital Upgrades PDB Project Progressive Design-Build Contract I Draft Exhibit C. Phase 1 Scope of Services Deliverables: 1. Final Design Package (stamped and signed) NOTE: PROPOSERS SHALL BASE THEIR NOT-TO-EXCEED PRICE ON THE PRECEDING SCOPE FOR TASK 4 AS WELL AS THE FOLLOWING ASSUMPTIONS: 1. Effort for preparing for design concept, design submittal review, and other technical meeting(s) is to be included in Task 4. Effort for conducting/attending technical meetings is to be included in Task 1. 2. The City will prepare Division 0 and Division 1 specifications and provide to the Design-Builder for inclusion in the Project Specifications. Task 6—Cost Modeling and Scheduling Subtask 6.1 —Cost Model Development The Design-Builder shall develop a draft cost model for the Project for review and approval by the City. The intent of cost model development and review is to have the City and the Design- Builder agree on the format for presenting cost models that will be used consistently throughout the Project, so that the City can easily track the evolution of estimated costs through the Phase 2 Proposal. The cost model shall use an "Open Book" approach such that all costing details are transparent and openly shared with the City. Costs shall be broken down to show labor, equipment and materials for each item. All escalation factors shall be identified. Fees shall be included consistent with the Progressive Design-Build (PDB) Contract. Contingency shall be included and derived directly from the probability-weighted Risk Register developed for the Project. The draft cost model template shall be submitted to the City for review prior to the design concept meeting, so that a first draft cost model can be developed for the design concept meeting. The Design-Builder shall incorporate and address City comments on the draft cost model template, and submit a revised cost model template to the City. The Design-Builder shall submit additional revisions as needed to reach agreement with the City on the format of the cost model. Deliverables: 1. Draft, revised draft and final cost model template in Adobe PDF and spreadsheet (or other native form)formats Subtask 6.2— Cost Model Updates The Design-Builder shall use the City-approved cost model template for developing cost model updates and its Phase 2 Proposal; however, with City approval the cost model template may be further refined as greater detail becomes available on the project. Page 15 of 20