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Resources, Guides & Manuals
Contacts and Info
Responsible for bituminous construction materials, mixtures and investigations, bituminous mixtures testing, bituminous materials testing (asphalts, emulsions, tars, fiber joint fillers, hot-poured joint seals, mineral fillers), bituminous mix design verification, bituminous investigations/ coring, bituminous paving operation oversight (plant and street), Reclaimed Asphalt Pavements.
Nathan Maack, HMA Operations Engineer
Hot Mix Asphalt Technical Services
John Barak, Bituminous Supervising Engineer
Tim Crook, Asphaltic Materials Specialist
Michelle Miller, Mix Design Engineer
Joshua Arritt, Transportation Technician Recognized Resource
Statewide HMA Specialist
Marc Beyer, Bituminous Materials/Mixtures Specialist
Hot Mix Asphalt Lab Services
Eric Oudsema, Transportation Technician Supervisor
Randy Plascencia, Transportation Technician
Responsible for asphalt binder certification program; asphalt emulsion certification program; hot-poured joint sealant and pipe sealer acceptance program; liaison - regions, asphalt product suppliers and asphalt refineries; bituminous mixtures - field reject verification; bituminous mixtures - field IAS testing; bituminous mixtures testing - supporting mix design laboratory; recovered binders evaluation; bituminous mixtures - core evaluation support for investigations laboratory; support testing for Testing and Research Section. Responsible for testing asphalt binder, emulsions, hot poured joint sealers; daily mixture samples, reject samples, recovered binder processing, IAT's and bituminous fiber joint testing; Marshall Mix Design verification; Superpave Mix Design verification; write Michigan Test Methods on bituminous related testing procedures, conduct Michigan's yearly bituminous round robin program; maintain the laboratory's AASHTO certification; write and annually update the procedures manual for Marshall & Superpave Mix Design Processing; maintain the Quality Systems Manual, laboratory personnel and laboratory equipment for the Mix Design Laboratory for AASHTO certifications; conduct training of contractors/consultants/college personnel in correct procedures on Marshall and Superpave Mix Designs; conduct IAS testing from Superpave samples; and conduct research testing on asphalt samples on the asphalt pavement analyzer. Responsible for bituminous mix design, materials, and investigations.
Jessica Vliek, Transportation Technician
Tagen Terpening, Transportation Technician
Derek Price, Transportation Technician
Responsible for mix design procedures, testing, training, and submittals. Responsible for investigation of causes for pavement distress, project histories, and pavement coring. Independent assurance testing; acceptance testing for bituminous mix design testing; evaluation of SHRP materials and equipment; pavement investigations to evaluate pavement performance; data analysis - contractor, MDOT field and C&T lab test data; data collection - temperature site statewide; develop sampling, testing, and reporting procedures; LTPP sampling, preparation, and testing of SHRP projects; provide information for region, Design Division, litigation, and outside agencies; and liaison - regions, MAPA, research division, and various universities.
Grant Carr, Transportation Technician
Glen Harkonen, Transportation Technician
Responsible for and provides expertise in pavement management, including design, type selection, and performance trends for specific fix types. The section develops pavement designs and serves as project specialist on various pavement design projects, including oversight of research, the Pavement Demonstration Program, and the Pavement Historical Database; conducts, maintains, and enhances the pavement selection process; conducts performance analysis of various pavement fixes to identify performance trends; ensures MDOT compliance with federal and state requirements related to these pavement management areas.
Michael Eacker, Pavement Management Engineer
Justin Schenkel, Pavement Design/Program Engineer
Ben Krom, Pavement Selection Engineer
Candace Rosebrugh, Department Analyst
Ethan Akerly, Pavement Engineer
Paul Shapter, Supervising Engineer, Pavement Evaluations
Andrew Frechen, Transportation Engineer
Ritchie Ginther, Transportation Technician
Phillipe Nguyen, Friction Specialist
Bob Farnum, Transportation Technician
Responsible for field testing equipment, repair, distribution, inventory, and supplies, shipping and receiving.
Ariel Bentz, Field Supply Technician
Responsible for aggregate quality control, aggregate wear indexes, aggregate source inventory, aggregate test results, aggregate specifications, aggregate schools, aggregate certification, independent assurance testing, tested stock, certified aggregate technician training. Material applications in design, construction, and maintenance of pavements and structures.
Vacant, Engineer of Materials Section
Responsible for testing and research of materials and products for bridges, pavements, and appurtenant structures. Provide internal services for field trouble shooting, failure analysis, and remediation of structural and materials-related issues.
Tim Stallard, Engineer of Materials Technology
Responsible for new materials and procedures evaluations, mix designs, field investigations, and admixtures.
Ethan Bahmer, Transportation Engineer
Responsible for bridge deck overlays, full-depth pavement repair materials, concrete mixtures, and epoxies.
Cameron Minney, Transportation Engineer
Responsible for concrete and bituminous sealants, related maintenance and construction programs.
Andy Bennett, Transportation Technician
Responsible for polymer repair materials, concrete coatings, snowmobile trail/crossing repairs, aggregate wear track operation, and epoxy bridge deck overlays.
Responsible for structure expansion/modular joint systems, polymeric nosings, and premium pavement aggregate gradations/mix design performance.
Todd Pentecost, Transportation Technician
Responsible for coarse aggregate freeze-thaw, testing of: Portland cement, fly ash, concrete products, plastic pipe and conduit, concrete mix design, cylinder core testing.
Vacant, Transportation Technician, Supervisor
Greg Pace, Transportation Technician
Ho Nguyen, Transportation Technician
Responsible for certification of materials and manufactures, certification verification of materials, tested stock procedures and tracking of materials. Publication of Materials Source Guide (MSG) and responsible for information in MSG.
Dennis Warren, Materials Quality Assurance Analyst
Responsible for petrographic analysis and evaluation of construction aggregates, Michigan Certified Aggregate Technician Program, MDOT Aggregate Supplier Program, and Procedure for Aggregate Inspection Manual.
Samara Graft, Geologist
Brian Szczepanek, Geologist
Gjulian Mecaj, Geologist
Bob Wright, Transportation Technician
Tedra Roberts, Transportation Technician
Concrete Technical Services
Bill Black, Statewide Concrete Paving Specialist