Legislation Details

File #: 2026-1592    Version: 1
Type: Motion Status: Pending Assignment to Committee
File created: 6/22/2026 In control: Public Infrastructure and Conservation Committee
On agenda: Final action:
Title: Motion 26-257, authorizing the County Executive to sign Change Order #7 to Progressive Design Build Agreement PDB01-23 with Cornerstone General Contractors for the design and construction of the Arlington Operations Center
Attachments: 1. Proposed Motion 26-257, 2. Change Order 7, 3. Change Order 6, 4. Change Order 5, 5. Change Order 4, 6. Change Order 3, 7. Change Order 2, 8. Change Order 1, 9. Amendment 5, 10. Amendment 4, 11. Amendment 3, 12. Amendment 2, 13. Amendment 1, 14. Contract, 15. Certificate of Insurance, 16. Motion Assignment Slip
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Executive/Council Action Form (ECAF)


ITEM TITLE:
Title
Motion 26-257, authorizing the County Executive to sign Change Order #7 to Progressive Design Build Agreement PDB01-23 with Cornerstone General Contractors for the design and construction of the Arlington Operations Center
body
DEPARTMENT: Public Works

ORIGINATOR: Nicole Hydukovich

EXECUTIVE RECOMMENDATION: Approved by Tom Teigen (6/24/26)

PURPOSE: Approval of Change Order #7 to authorize payment to the Contractor, Cornerstone General Construction for added work associated with waterline existing conditions not matching the as-builts.

BACKGROUND: ? The Department of Public Works determined the need to construct a new road operations center and emergency response facility at the County's Arlington Operations site located in Arlington, WA. ? Through a Request for Qualifications and a subsequent Request for Proposal Public Works solicited the services of a Design Build Contractor or Consultant to assist the County with this project. Cornerstone General Contractors responded to RFQ-23-001SB and RFP-23-004SB and was selected through established Federal State and County policies and practices. ? Snohomish County and Cornerstone General Construction entered into agreement on December 13, 2023, for the design and construction of the Arlington Operations Center under Progressive Design Build Agreement PDB01-23. ? To date, PW has executed five amendments to the original agreement which include Validation (Motion No. 24-097), Design (Motion No. 24-317), Granite Falls Stating Site Construction (Motion No. 25-302) and Arlington Operations primary site construction (Motion No. 25-320). ? This project was not bid but selected through an RFQ/RFP process and therefore requires Council approval for any contract amendments above $100,000 or 20% of the contract value, whichever is less. ? To date there have been four amendments and four change orders approved by Council, and two change orders and one amendment appr...

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