City of Issaquah City Council Regular Meeting Agenda Feb 23 2026
Drainage Study Contract Amended and Extended
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Description
The City executed an amendment with Northwest Hydraulic Consultants, Inc. to add Phase II to the Olde Town Targeted Drainage Study for $280,858, extending the contract through July 2027. The expanded scope includes groundwater monitoring, modeling, and conceptual design.
Contract Details
Contract Amount
$280,858 (Amendment No. 1); new contract total $487,910
Vendor
NORTHWEST HYDRAULIC CONSULTANTS INC
Agency
City of Issaquah, WA
Contract Type
PROFESSIONAL_SERVICES
Document Date
February 23, 2026
Contract Term
Extended from August 1, 2026 to July 31, 2027
Renewal Date
2027-07-31
Renewal Info
Initial term through 8/1/2026; Amendment No. 1 extends to 7/31/2027, increases contract amount. Further extensions possible if study recommendations lead to new projects.
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