The Dalles Pavement Preservation Program Presented by Bill Barrier Transportation Manager City of The Dalles Public Works Department

Issues n What is pavement preservation? n What is preventive maintenance? n What is corrective maintenance? n When should these actions be taken? n Are these activities effective? n If so, then why doesn’t everyone have a pavement preservation program?

What is Pavement Preservation? Pavement preservation is the sum of all activities undertaken to provide and maintain serviceable roadways, including preserving the investment in the national highway system, extending pavement life, enhancing pavement performance, ensuring cost- effectiveness, and reducing user delays. - Consensus definition from AASHTO, Industry Representatives, and FHWA

Components of Pavement Preservation n Includes all types of maintenance activities (i.e., routine, reactive, corrective, and preventive) n Includes minor rehabilitation activities n Does not include major rehabilitation or reconstruction

Types of Maintenance Activities SometimesNoGenerallyCorrective Yes Preventive Probably NotNo Reactive (Demand) SometimesNot NecessarilyYesRoutine Extends Facility Life?Before Deterioration?Planned?Type

Preventive Maintenance The planned strategy of cost effective treatments to an existing roadway system and its appurtenances that preserves the system, retards future deterioration, and maintains or improves the functional condition of the system (without increasing structural capacity). - AASHTO’s Standing Committee on Highways

Preventive Maintenance n Planned n Performed on good pavements n Contributes to long- term performance n Examples: Fog Seal, Chip Seal, Cape Seal, Thin HMA Overlay, Crack Seal

East 10 th and Dry Hollow

Corrective Maintenance n Reactive n Performed on failing pavements n Does not contribute to long-term performance n Examples: Patching, Pothole Repair

East 14 th Street

West 6 th Street

Time or Traffic Pavement Condition Pavement Lifecycle

Time or Traffic Pavement Condition Index Critical PCI = Pavement Condition

Corrective Maintenance/Repair Time or Traffic Pavement Condition Corrective Repairs

Curve Without Maintenance

Curve With Maintenance

Numerical Rating System

Pavement Condition Rating 2002 Rating% of Total2013 Rating% of Total% Change Excellent/Very Good119,32635%24,5107%-28% Good135,14240%27,8398%-32% Fair54,08716%123,80436%20% Poor23,7057%158,78646%39% Very Poor/Failed8,0352%9,2913%0% Total340,295100%344,230100% 64.4 miles65.2 miles

3 rd Street – Core Area Inlay

Time or Traffic Pavement Condition Preventive Maintenance Preventive Maintenance

Triggers

East 10 th and Dry Hollow

East 16 th Place Candidate

Rehabilitation Time or Traffic Pavement Condition Rehabilitation

Third and Liberty Candidate

East 15 th and G Street

E.15 th Street Rehabilitation

Reconstruction Time or Traffic Pavement Condition Reconstruction

Third and Liberty Options? Third and Liberty Options?

West 11 th – Trevitt to Union

Cost Comparison of Options n Preventive maintenance:$ 10,270 n Rehabilitation:$ 45,570 n Reconstruction:$ 574,000 Costs obtained from City of Bedford (Texas) on a per-lane mile basis

Public Perceptions n Public averse to steering maintenance dollars toward pavements in good condition n Agencies more likely to receive complaints about specific defects than overall network n Challenge of balancing limited maintenance resources between preventive maintenance and rehab/recon n Need to educate the public about new philosophy

Summary n Backlog of deferred maintenance has resulted in more streets needing rehab/recon. n Preventive Maintenance is more cost effective in the long run than relying on rehab/recon. n There is a need to fund both Preventive Maintenance to maximize street life and to rehabilitate failed streets.

Questions? Thank you!