Lunch Seminar - Analysis of Existing Pavement 

Wednesday March 4, 2015 John Weber, with Federal Engineering and Testing will present on the Analysis of Existing Pavement. 

Outline:

A. Introduction

B. Property Managers decision making

• Common Practice of lowest price
• Contractors, maintenance personnel and lack of specifications
• Contractors bidding VS engineering standards
• Covering underlying problems that can resurface later at an increased cost
• lssues that miqht not be clear to pavinq contractor

C. ADA

• City requirements for safety issues
• Signage and striping
• Slopes
• Pavement design
• Ramp rails

D. Designs: Pavement begins with an engineer’s design

• Initial pavement and drainage design by a Professional Civil Engineer
• Expertise of the civil engineer can't be compared to a contractor
• Engineers will design pavements based on applicable codes for the needs of the
• parking lot and traffic design not based on temporary, but long term usage
• A civil engineers who works on restoration of older pavements will recover the
• standards of the original design engineer and include new code changes
• Signage, markings, and ADA will be in compliance

E. Design Period

• AASHTO's definition

F. Functions of a surface treatment

• Versatile and widely used preventative maintenance techniques that are applied to the entire surface treatment
• Prevent surface water from penetrating base material of old pavements that have cracks or weathered areas
• To fill small voids and cracks and bond some loose aggregate particles in the pavement surface
• Give new life to oxidize surface and restore resistance to traffic, worn pavement in which the surface aggregate appears polished

G. Permits are standard surface treatment and repair

• Current standards for permit doesn't require specifications, product approval or application rate etc.
• Problems associated with this procedure being harmful

H. Surface Treatments

l. Components of an asphalt pavement

J. What is an asphalt assessment and whv is it needed?

• Field sampling and testing is important to the engineer
• Determine causes of failure and solutions based on existing conditions
• Provides information for correct procedures for repair

K. Findings provide information for maintenance

• Pavement sweeping
• Drain cleaning
• Root pruning by an arborist
• Annual site inspection by an engineer
• Identify potential problem
• Enact any ADA code changes

 

 

 

 

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