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Council approves $119,675 design amendment to rework Carpenter Creek culvert replacement
Summary
Council authorized an amendment to the David Evans design contract to pursue a redesigned, constructible approach for the Carpenter Creek/Hickox Road culvert replacement that reduces excavation by making shoring part of the permanent structure.
Mount Vernon — The city council on Wednesday approved an amendment to the David Evans and Associates design contract for the Carpenter Creek/Hickox Road fish-barrier improvement project after engineers recommended a different structural approach to control escalating construction costs.
Public works capital projects manager Frank Briner told council the 60% design had revealed steep ravine conditions on the northwest side of the site that…
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