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900 Road culvert replacement stalls after flowable-fill pour shifts pipes; commissioners question design and responsibility
Summary
Work to replace two culverts on 900 Road exceeded original estimates after a flowable-fill pour shifted one pipe and deformed the other; commissioners and the county's engineering representative debated responsibility for the added costs and next steps.
The 900 Road culvert replacement project ran into unexpected problems after workers poured flowable fill that lifted one of the installed culvert pipes and deformed the other. The issue has driven the project cost well above the original county estimate and prompted a sharp exchange at the commission meeting over who should bear additional expense.
Chad McCullough of Kaw Valley, who helped obtain permits and advised on the project, described how the crew poured flowable fill in lifts. He said the first pour went as planned but on the second pour the material got underneath a culvert and…
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