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Woodinville council approves early procurement of prefabricated pedestrian tunnel for 133rd Avenue NE roundabout
Summary
Council voted unanimously to award a $749,594 contract for early procurement of a prefabricated pedestrian tunnel to keep the 133rd Avenue NE roundabout project on schedule. Staff said early purchase avoids a 6–8 month delay caused by fabrication lead times and aligns tunnel delivery with contractor readiness.
The Woodinville City Council unanimously approved an early procurement contract for a prefabricated pedestrian tunnel tied to the 133rd Avenue Northeast roundabout and grid-road project.
Council approved the $749,594 award to Pacific Washington for the tunnel (project ST23007A) after staff said buying the tunnel early would cut a 6–8 month delay caused by long fabrication lead times and sequencing risks. "If we did not proceed with the city's proposal right now... it would be a 6 to 8 months delay in the project," staff told the council during the presentation.
Staff described the tunnel as a prefabricated structure about 225 feet long and 18 feet wide, delivered in sections and fitted with illumination and six skylights above the center island. Early procurement would allow shop drawings, fabrication and delivery to align with contractor mobilization and the limited construction window tied to groundwater and seasonal constraints.
The staff presentation noted the tunnel procurement cost and construction management services are within the project's approved $9.5 million budget; the tunnel piece was listed at about $750,000. Staff said the construction schedule and permitting complexity (including dewatering needs) made the early purchase the most reliable way to avoid winter shutdowns and schedule risk.
During the vote, a council member moved to approve the contract and a second was recorded; the council responded "Aye" and the motion carried unanimously.
Next steps: contracting and fabrication shop-drawings will follow the contract award, and staff said delivery is expected in late summer or early fall to match the contractor's schedule.
