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Legislation Details
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File #:
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2026-2466
Version:
1
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Type:
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Motion
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Status:
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Regular Agenda
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On agenda:
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10/14/2026
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Final action:
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Title:
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Motion 26-400, approving Change Order No. 9 to the Arlington Operations Center Agreement with Cornerstone General Contractors
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Attachments:
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1. Proposed Motion 26-400, 2. Staff Report, 3. Change Order #9, 4. Progressive Design Build Contract Executed, 5. Amendment 1 Executed, 6. Amendment 2 Executed, 7. Amendment 3 Executed, 8. Amendment 4 Executed, 9. Amendment 5 Executed, 10. Certificate of Insurance, 11. Change Order #1 Executed, 12. Change Order #2 Executed, 13. Change Order #3 Executed, 14. Change Order #4 Executed, 15. Change Order #5 Executed, 16. Change Order #6 Executed, 17. Change Order #7 Executed, 18. Change Order #8 Executed, 19. Motion Assignment Slip
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Executive/Council Action Form (ECAF)
ITEM TITLE:
Title
Motion 26-400, approving Change Order No. 9 to the Arlington Operations Center Agreement with Cornerstone General Contractors
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DEPARTMENT: Public Works
ORIGINATOR: Kelli Kunz
EXECUTIVE RECOMMENDATION: Approved (Tom Teigen 10/1/2026)
PURPOSE: Approval of Change Order #9 to authorize payment to the Contractor, Cornerstone General Construction for added work associated Redesign of the EV Charging System
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 five amendments and six change orders approved by Council, and two change orders and one amendment approved by the PW Director. • An additional change order is needed above the PW Director’s authority and requires Council consideration: Change Order #9 Redesign of the EV Charging System. • The total request for change order 9 is $139,033.15, bringing the total contract amount NTE $31,953,403.56. • This project is fully bond funded and does not include any Road Fund dollars.
FISCAL IMPLICATIONS:
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EXPEND: FUND, AGY, ORG, ACTY, OBJ, AU |
CURRENT YR |
2ND YR |
1ST 6 YRS |
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306 501065016399 Construction |
$139,033.15 |
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$139,033.15 |
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TOTAL |
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REVENUE: FUND, AGY, ORG, REV, SOURCE |
CURRENT YR |
2ND YR |
1ST 6 YRS |
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Fund 306 Arlington Operations Center |
$139,033.15 |
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$139,033.15 |
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TOTAL |
$139,033.15 |
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$139,033.15 |
DEPARTMENT FISCAL IMPACT NOTES: Funding for this project is included in the 2025-2026 Biennial budget. This project is fully bond funded and does not include any work paid out of Road Fund dollars. Work is expected to be completed in 2026.
CONTRACT INFORMATION:
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ORIGINAL |
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CONTRACT# |
PDB01-23 |
AMOUNT |
$0.00 |
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AMENDMENT |
1 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$722,160.00 |
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AMENDMENT |
2 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$3,192,544.00 |
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AMENDMENT |
3 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$1,504,752.00 |
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AMENDMENT |
4 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$25,215,490.00 |
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AMENDMENT |
5 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$0.00 |
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CHANGE ORDER |
1 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$27,319.16 |
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CHANGE ORDER |
2 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$68,576.08 |
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CHANGE ORDER |
3 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$41,960.01 |
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CHANGE ORDER |
4 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$129,507.54 |
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CHANGE ORDER |
5 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$57,004.68 |
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CHANGE ORDER |
6 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$80,503.71 |
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CHANGE ORDER |
7 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$4,979.47 |
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CHANGE ORDER |
8 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$766,573.76 |
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CHANGE ORDER |
9 |
CONTRACT# |
PDB01-23 |
AMOUNT |
$139,033.15 |
Contract Period
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ORIGINAL |
START |
12/13/23 |
END |
Completion |
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AMENDMENT |
START |
2/29/24 |
END |
Completion |
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AMENDMENT |
START |
8/21/24 |
END |
Completion |
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AMENDMENT |
START |
7/10/25 |
END |
Completion |
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AMENDMENT |
START |
7/17/25 |
END |
Completion |
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AMENDMENT |
START |
4/30/26 |
END |
Completion |
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CHANGE ORDER |
START |
3/11/26 |
END |
Completion |
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CHANGE ORDER |
START |
3/11/26 |
END |
Completion |
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CHANGE ORDER |
START |
4/28/26 |
END |
Completion |
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CHANGE ORDER |
START |
4/28/26 |
END |
Completion |
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CHANGE ORDER |
START |
4/28/26 |
END |
Completion |
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CHANGE ORDER |
START |
6/4/26 |
END |
Completion |
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CHANGE ORDER |
START |
7/22/26 |
END |
Completion |
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CHANGE ORDER |
START |
8/27/26 |
END |
Completion |
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CHANGE ORDER |
START |
Execution |
END |
Completion |
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OTHER DEPARTMENTAL REVIEW/COMMENTS: Reviewed/approved by: Risk Management (Tonya Woldrdige 9/30/2026) and Finance (Bill Thornton 10/1/2026).
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