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BUSINESS OF THE CITY COUNCIL
YAKIMA, WASHINGTON
AGENDA STATEMENT

Item No. 7.B.
For Meeting of: October 13, 2026
 
ITEM TITLE:

Resolution authorizing the City Manager to accept Change Order 004 with Interwest Construction Inc. for Nelson Pipeline Phase 2

 
SUBMITTED BY:

Scott Schafer, Public Works Director

*Daniel Tiliano, Water/Irrigation Manager

 
SUMMARY EXPLANATION:

Change order 004 updates the Phase 2B contract to correct the original contract amount, incorporated a July 2026 sales tax rate increase, and revise project schedule requirements. It establishes a new milestone date, extends overall contract time to accommodate funding availability, and adjusts Phase 2B scope due to necessary changes in pipeline alignments as well as coordination between Yakima County and WSDOT. Additional labor, equipment, and material costs are included to address construction challenges along Powerhouse Road. Retainage provisions are updated to reflect the contractor's retainage bond for the Nelson Phase 2 project. 

 
ITEM BUDGETED: Yes
 
STRATEGIC PRIORITY 24-25: A Resilient Yakima
 
RECOMMENDATION: 

Adopt Resolution.

 
ATTACHMENTS:
Resolution_accept change order 004 w Interwest Construction Inc_Nelson Pipeline Ph2
City of Yakima Change Order 004.pdf
Nelson Dam Removal PH2 - Change Order 004.pdf