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MDOT briefs House committee on construction specs, contractor prequalification, bond spending and truck-weight policy
Summary
MDOT officials briefed the House Transportation Infrastructure Committee on the department's construction specifications, materials testing and quality-assurance programs, contractor prequalification and the status of bond funding and truck-weight policies.
Greg Brenner, chief operations officer for the Michigan Department of Transportation, and Patrick McCarthy, MDOT bureau director for finance and administration, briefed the House Transportation Infrastructure Committee on MDOT construction standards, contractor prequalification, construction bonding and truck-weight policy.
Brenner said Michigan has about 256,000 lane miles of road and nearly 12,000 bridges. He described MDOT's standard specifications — a consolidated specification “book” updated periodically and used by MDOT and many local agencies — and said the specifications align with Federal Highway Administration requirements and AASHTO guidance. "This book's broken down into about 10 different sections," he said, listing areas such as bridge work, drainage, concrete and asphalt pavements, and maintenance of traffic.
Brenner described several technical practices MDOT uses: mechanistic-empirical pavement design (ME), a life-cycle…
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