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O & M - Overview Maintenance Roles <br />Maintenance Division staff from both the surface technical and operations teams are involved <br />in a variety of roles associated with the Pavement Preservation Program (PPP). Pavement <br />rating, budget and street life analysis, project grouping, and preventative maintenance are all <br />components of a pavement management system that take place in the Maintenance Division. <br />Surface technical staff performs annual pavement rating of the City's transportation system in <br />order to track current pavement conditions. Streets are placed on the PPP list when the <br />Overall Condition Index (OCI) indicates an overlay treatment is needed. With this <br />information, detailed analysis is performed to help identify current treatment needs and <br />13 <br />