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File #:
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2026-0751
Version:
1
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Type:
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Motion
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Status:
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Pending Assignment to Committee
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Title:
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Motion 26-140, authorizing the County Executive to sign Change Order #3 to Progressive Design Build Agreement PDB01-23 with Cornerstone General Contractors for the design and construction of the Arlington Operations Center
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Executive/Council Action Form (ECAF)
ITEM TITLE:
Title
Motion 26-140, authorizing the County Executive to sign Change Order #3 to Progressive Design Build Agreement PDB01-23 with Cornerstone General Contractors for the design and construction of the Arlington Operations Center
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DEPARTMENT: Public Works
ORIGINATOR: Kelli Kunz
EXECUTIVE RECOMMENDATION: Approved by Thomas Teigen 3/18/26
PURPOSE: Approval of Change Orders #3 to authorize payment to the Contractor, Cornerstone General Construction for added work associated with the storage bunkers.
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 four 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. PW has approved two Change Orders totaling $95,895.24 which are within the PW Directors authority for approval. At this time additional change orders are needed above the PW Director’s authority and require Council consideration. Change orders for consideration included in this ECAF are: Change Order #3 - During construction, additional rock was needed to both hoop buildings so the interior floor drains were at a 1% slope for drainage. The total request for change order 3 is $41,960.01. Bringing the total contract amount NTE $30,775,801.25 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 |
41,960.01 |
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41,960.01 |
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TOTAL |
41,960.01 |
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41,960.01 |
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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 |
41,960.01 |
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41,960.01 |
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TOTAL |
41,960.01 |
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41,960.01 |
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 |
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Contract # |
PDB01-23 |
Amount |
$722,160.00 |
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Amendment 2 |
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Contract # |
PDB01-23 |
Amount |
$3,195,544.00 |
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Amendment 3 |
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Contract # |
PDB01-23 |
Amount |
$1,504,752.00 |
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Amendment 4 |
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Contract # |
PDB01-23 |
Amount |
$25,215,490.00 |
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Change Order 1 |
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Contract # |
PDB01-23 |
Amount |
$27,319.16 |
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Change Order 2 |
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Contract # |
PDB01-23 |
Amount |
$68,576.08 |
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Change Order 3 |
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Contract # |
PDB01-23 |
Amount |
$41,960.01 |
Contract Period
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Original |
Start |
March 2024 |
End |
Completion |
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Amendment 1 |
Start |
August 2024 |
End |
Completion |
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Amendment 2 |
Start |
March 2025 |
End |
Completion |
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Amendment 3 |
Start |
July 2025 |
End |
Completion |
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Amendment 4 |
Start |
July 2025 |
End |
Completion |
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Change Order 1 |
Start |
March 2026 |
End |
Completion |
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Change Order 2 |
Start |
March 2026 |
End |
Completion |
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Change Order 3 |
Start |
Execution |
End |
Completion |
OTHER DEPARTMENTAL REVIEW/COMMENTS: Reviewed/approved by: Risk Management (Sheila Barker 3/17/26) and Finance (Nathan Kennedy 3/17/26)
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