gdot
DESCRIPTION
GDOT . Maintenance Overview Eric C. Pitts, P.E. State Maintenance Engineer June 28, 2013. Current Roadways Maintained . 18,100 centerline miles on the State Route System 47,648 Lane Miles. 1955. South from 14 th Street in 1953. South from 14 th Street in 2004. - PowerPoint PPT PresentationTRANSCRIPT
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GDOT Maintenance Overview
Eric C. Pitts, P.E.State Maintenance Engineer
June 28, 2013
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Current Roadways Maintained
•18,100 centerline miles on the State Route System•47,648 Lane Miles
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1955
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South from 14th Street in 1953
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South from 14th Street in 2004
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Identifying Maintenance Needs
• Pavement Condition Evaluation System (PACES)
• Daytime Inspection• Night Inspection• Drainage Inspection• Bridge Inspection• Visual Observation and Reported deficiency
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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
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Life Cycle of a Road
DesignConstructionInitial DeteriorationVisible DeteriorationDisintegration and Failure
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Treatment for Initial Deterioration
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Visible Deterioration
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Treatment for Visual Deterioration
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Disintegration and Failure
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Treatment for Disintegration and Failure
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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)
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Guardrail Repair
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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
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Bridge Maintenance