gdot maintenance overview eric c. pitts, p.e. state maintenance engineer june 28, 2013
TRANSCRIPT
GDOT
Maintenance OverviewEric C. Pitts, P.E.
State Maintenance EngineerJune 28, 2013
Current Roadways Maintained
•18,100 centerline miles on the State Route System•47,648 Lane Miles
1955
South from 14th Street in 1953South from 14th Street in 1953
South from 14th Street in 2004South from 14th Street in 2004
Identifying Maintenance Needs
• Pavement Condition Evaluation System (PACES)
• Daytime Inspection• Night Inspection• Drainage Inspection• Bridge Inspection• Visual Observation and Reported deficiency
Pavements - Target Condition Levels
•Maintain interstates with 50,000 or greater ADT at a PACES Rating of 80 or more•Maintain all other interstates at a PACES Rating of 75 or more•Maintain multi-lane non interstate routes with an ADT of 25,000 or greater at a PACES Rating of 75 or more•Maintain other routes at a PACES Rating of 70 or more
Life Cycle of a Road
DesignConstructionInitial DeteriorationVisible DeteriorationDisintegration and Failure
Treatment for Initial Deterioration
Visible Deterioration
Treatment for Visual Deterioration
Disintegration and Failure
Treatment for Disintegration and Failure
Target Condition Levels
• Guardrail repairs Interstate repairs to be made within 2 days of notification, divided highways repairs within 5 days and others within 1 month. •Drainage Maintenance 75% of drainage structures are to be maintained with an inspection score of 70 or higher.•Mowing – Interstates mowed 3 times yearly, non – interstates mowed 2 times yearly (all mowable areas)
Guardrail Repair
Bridges - Target Condition Levels
•Maintain bridges such that they can carry all legal loads•Maintain bridges such that the decks are in fair condition, or better
Bridge Maintenance