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Council authorizes $48,800 for engineering to replace failed culvert under Westbrook Drive
Summary
Council approved a $48,800 budget amendment to hire The Wooten Company to produce contract documents and bid specifications to replace an approximately 80-foot failed 36-inch CMP culvert under Westbrook Drive that threatens roadway collapse and requires sewer relocation.
Newton City Council unanimously approved a budget ordinance amendment to fund emergency engineering services after city staff found a collapsed culvert beneath Westbrook Drive that jeopardizes the road and an adjacent gravity sewer.
Public Works and Utilities Director Dusty Wentz told council that a 36-inch corrugated metal pipe (CMP) culvert at Westbrook Drive and Popular Circle failed and formed a sinkhole; the gravity sewer is currently resting on top of the failed culvert. "Continuous monitoring of the sink hole caused by the culvert failure indicates that road failure at the intersection of Westbrook and Popular Circle is imminent," Wentz said. Staff’s investigation identified about 80 feet of culvert and three junction boxes in extremely poor condition; the city is responsible for the entire culvert segment.
Because of likely conflicts with the gravity sewer, water main and other underground utilities, Wentz said design and contract documents are needed for bidding. Staff received an engineering proposal from The Wooten Company for $48,800 to develop bid-ready contract documents. The proposed replacement scope will include permitting, replacement of approximately 80 feet of culvert, and replacing 8-inch PVC sewer with 8-inch ductile iron sewer as required by state standards.
Council Member Jody Dixon moved to approve the budget ordinance amendment to fund engineering services; Council Member Jerry Hodge seconded the motion and it passed unanimously. Council directed staff to return with bid results and a recommended contract award for council consideration.
The vote authorized engineering work only; construction costs, final contract awards and construction schedules will be brought back to council after bids are received.
