Michigan Aggregates Association

Technical/MDOT Bulletins

First Weight Restriction of 2017

Many County Road Agencies Have Issued First Weight Restriction of 2017 – MDOT may be next… MDOT is currently monitoring frost depth at various locations across the state and have provided MAA notice that based on recent string of warm weather they may be issuing weight restrictions in the near future. However, many counties in…

Dee Parker named MDOT Southwest Region Engineer

Demetrius (Dee) Parker has been named the new MDOT Southwest Region engineer. Dee has a Bachelor of Science in civil engineering from Michigan State University and is currently serving as the Contract Services Division administrator. His prior MDOT experience includes serving as Jackson TSC manager, Consultant Road Design Unit leader with the Design Division, and…

MDOT releases “Michigan Agg Market Study – Phase I Report”

On June 8, 2016, MAA provided testimony to the Governor’s 21st Century Infrastructure Commission regarding our concern that based on current permitted reserves we are projecting a deficit of permitted aggregate material in certain local markets in the near future (10-15 years).  During our testimony, it was mentioned that expanding land development along with increased…

Kim Avery Named MDOT’s Bureau of Field Services Directory

From Chief Operations Officer Mark Van Port Fleet: “I am pleased to make the following staff announcements: Kim Avery has accepted the Bureau of Field Services director position. Kim is a Valparaiso University graduate with a Bachelor of Science in civil engineering, and is currently serving as the Southwest Region engineer, where she managed changes…

MAA Influences Changes to MDOTs Quality Procedure Manual

As a result of continual discussions with MDOT, MAA was able to positively affect the recently released optimized aggregate gradation section of the MDOT Materials Quality Procedure Manual.  These changes that impact requirements for optimized aggregates for Grades DM, S2M, and P1M concrete and are summarized as follows: Section 4.13.04.D.a.3 (page 141 of 317) The…

MDOT Leader Randy Van Portfliet announces retirement

September 27, 2016 — Randy Van Portfliet, Michigan Department of Transportation (MDOT) deputy chief engineer, bureau director of Field Services, and Superior Region engineer, recently announced his plans to retire at the end of this year. “It’s hard to put into words, what MDOT means to me,” Van Portfliet said. “The culture of MDOT and the people…

MDOT Update – SP for Optimized Aggregate

MDOT recently published the following Design Advisory titled “Optimized Aggregate Gradation for High Performance Concrete” along with a new Special Provision to the Previously Approved Special Provision list for “Optimized Aggregates Gradation for High Performance Concrete.” To view the Design Advisory (DA 2016-07) click here To view the SP for Optimized Aggregate Gradation for High…

MDOT Aggregate Source Approval Testing Frequency – Reminder

MAA was recently reminded about MDOT’s frequency of sampling and testing for source approval of aggregates for use on MDOT and federally funded projects.  A May 17, 2012 letter from MDOT to MAA detailing the testing frequency can be found by  clicking here.   If you have any questions, please contact the MAA office at…

MDOT Seasonal Weight/Load Restriction lifted statewide April 8, 2016

MDOT has issued a spring weight restriction bulletin liftingrestrictions for the the entire state of Michigan effective 8:00 AM Monday, April 18, 2016. Click on the following link to view the MDOT bulletin. http://mdotcf.state.mi.us/public/alerts/bulletins.cfm?bulletin=weight In addition, there have been a number of counties that have begun lifting weight restrictions or are planning to in the…