Since 2014 the City of Olathe has built an accurate inventory, complete with condition assessment and tracking of maintenance tasks. They’ve developed methods using Pipeline Assessment and Certification Program (PACP) pipe inspections captured using WinCan VX to develop an Overall Condition Index (OCI). We also developed Consequence of Failure (CoF) criteria and minimum acceptable conditions for gravity pipes as a part of a sewer master plan. Together, OCI and CoF have allowed the city to model the business risk exposure (BRE) associated with the gravity sewer mains. Over the past seven years, the city has benefited through the synergy of diverse workgroups, which has allowed active ownership of the data and products it produces. Engineering staff is tasked with making strategic decisions on infrastructure replacement. For 2022, Engineering justified a 17% increase in capital sewer rehabilitation funding based on the results of their BRE process. Asset management has been an integral part of the city’s wastewater modus operandi.

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Anthony Golec;Sabrina Parker, PE, WLI;Jeff Burch

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