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CHANGE ORDER NO. ONE TO CONTRACT K-2021-8: BY AND BETWEEN THE CITY OF NORMAN, OKLAHOMA, AND CIMARRON CONSTRUCTION COMPANY, L.L.C., DECREASING THE CONTRACT AMOUNT BY $93,843.38 FOR A REVISED CONTRACT AMOUNT OF $737,615.62 AND ADDING 21 DAYS TO THE CONTRACT FOR THE BRIDGE MAINTENANCE PROJECT, FYE 2021 LOCATIONS, AND BUDGET TRANSFER BETWEEN PROJECT ACCOUNTS.
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BACKGROUND: The Oklahoma Department of Transportation (ODOT) is tasked by the Federal Highway Administration (FHWA) to perform Bridge Safety Inspections for all publicly owned structures greater than 20 feet in length. Inspections are performed at least once every two years to identify any critical findings, document the bridge condition and make repair recommendations if necessary. The City of Norman currently has 75 bridges requiring inspection per FHWA criteria.
On December 19, 2017, City Council approved Resolution R-1718-68, selecting H.W. Lochner, Inc. as the City of Norman's appointed Bridge Inspection Consultant to the Oklahoma Department of Transportation for compliance with the National Bridge Inspection Standards.
H.W. Lochner completed the required Bridge Safety Inspections in November 2019, and provided the inspection reports to City staff. Data obtained from the Bridge Safety Inspections were used to identify bridges that are in need of rehabilitation, maintenance, and/or replacement.
The 2019 Bridge Safety Inspection results identified 13 structurally deficient bridges, 8 functionally obsolete bridges, and 8 bridges at risk of becoming structurally deficient. Based on this data, City staff identified and ranked bridges in need of maintenance activities. This project will perform the identified maintenance activities on seven (7) bridges within the city limits that are deemed to be our highest priorities for maintenance. Maintenance activities include repairing erosion and scour, removing debris, channel reshaping, crack repair, joint sealing and placement of rip-rap. S...
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