ALDOT Pavement Preservation Policy Lance Taylor, P.E. Assistant Region Engineer, Pre-Construction East Central Region 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

What is Pavement Preservation? 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Why do we need a policy on pavement preservation? 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Because sometimes there are very different interpretations…. 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

To make sure we are all in agreement…. 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Deciding Which Applies…. Project Scoping Team Review Determine depth of cracking Required overlay thickness Presence of significant rutting and/or cracking 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance There must be sub-categories and they must be numbered……we’re engineers. 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 1 No Milling of Structural Layers Preventive Maintenance 2 Limited Milling of Structural Layers 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 1 Requirements - Milling 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 1 Requirements - Overlay 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 1 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 1 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 1 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 2 Requirements - Milling 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 2 Requirements - Overlay 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Preventive Maintenance 2 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Minor Rehabilitation 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Requirements - Milling Minor Rehabilitation Requirements - Milling 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Requirements - Overlay Minor Rehabilitation Requirements - Overlay 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Minor Rehabilitation 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Scope Considerations 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Safety PM 1 PM 2 Minor Rehab Frictional Characteristics of existing and proposed applications PM 2 PM 1 and less than 5% of total cost Minor Rehab PM 1 and less than 15% of total cost 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Super/Cross Slope PM 1 PM 2 Minor Rehab Not a required consideration Provide correction where warranted in accordance with GFO 5-26 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

ADA PM 1 PM 2 Minor Rehab Not a required consideration Curb cuts and ramps Minor Rehab 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Pavement Width PM 1 PM 2 Minor Rehab Not a required consideration 28’ roadway width Widening funded from alternative sources 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Roadway Geometry PM 1 PM 2 Minor Rehab Not a required consideration 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Bridge Rail PM 1 PM 2 Minor Rehab Not a required consideration Interstate routes only Minor Rehab Retrofit rails on NHS routes unless technically infeasible 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Guardrail End Treatments PM 1 Not a required consideration PM 2 and Minor Rehab Interstate routes not meeting NCHRP 350 NHS routes not meeting NCHRP 230 Non-NHS routes not meeting NCHRP 230 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Guardrail General PM 1 PM 2 Minor Rehab Not a required consideration Repair damaged guardrail Fix missing or unconnected bridge approach rails Adjust, raise, or reset guardrail that is too low 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Clear Zone PM 1 PM 2 Minor Rehab Not a required consideration 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015

Questions? 2015 Alabama Department of Transportation Pre-Construction Conference Montgomery, Alabama May 7,2015