Quality Conference

Thanks to our 2021 Sponsors

For helping us with another great Conference!





All sessions will take place via Zoom. 4.5 PDH available. Speakers and schedule subject to change.

Thursday, January 7
10:30-10:45 am: Welcome – Lance Lamberth (AAPA Chairman)
10:45-11:15 am: FHWA Update – Vivien Hoang (FHWA)
11:15-11:45 am: ARDOT Update – Lorie Tudor (ARDOT Director)
11:45 am-12 pm: Video Presentations (Perpetual Pavement Award; New AAPA / ARDOT Partner Agreement; 2020 Safety Award)
12-1 pm: Break for lunch on your own
1-2 pm: Longitudinal Joint Spec – Danny Gierhart (Asphalt Institute), Tom Fisher (ARDOT), & Denis Guillette (Redstone)
2-2:30 pm: Understanding Arc Flash at Asphalt Plants – David Miguel

Friday, January 8
9-10:15 am: Thinlays: Oklahoma Experience – Chris Wallace (ODOT); Arkansas Selection Process & Criteria – Sarah Tamayo (ARDOT)
10:15-11 am: Balanced Mix Design – Dr. Kevin Hall (University of Arkansas)
11-11:15 am: Closing Remarks – Rex Vines (ARDOT)


Tom Fisher, ARDOT – Tom is a registered Professional Engineer in Arkansas and is a Staff Construction Engineer in the Construction Division at the Arkansas Department of Transportation. Tom began working for the Department in Summer 1999 as an Intern while attending the University of Arkansas in Fayetteville. Upon graduating with a BSCE in 2002, he was hired as an Engineer in the Resident Engineer’s office in Conway. He transferred to ARDOT Materials Division in 2012 as Geotechnical – Section Head and advanced to Materials Area Engineer in 2015. In 2017, he was promoted to his current position in the Construction Division. He and his wife, Jamie and their son Cael, live in Conway, Arkansas.

Danny Gierhart, Asphalt Institute – Danny Gierhart, P.E., has been the Asphalt Institute’s Southeastern Regional Engineer since 2009, primarily serving the states of Texas, Oklahoma, Arkansas, Louisiana, Mississippi, Alabama, and Florida.  He earned his Civil Engineering degree from the University of Oklahoma in 1985, and has been a registered professional engineer since 1990.  He has had a diverse career, working in industry, agency, and academia.  His 20 years with the Oklahoma DOT included 3 years roadway inspection and 5 years in research and development.  For most of his ODOT career, he held the position of Bituminous Engineer, managing both the liquid asphalt and asphalt mix laboratories, plus writing all asphalt-related specifications for the agency.  He spent 4 years in industry as Materials Engineer for Broce Construction Company, managing all asphalt mix design, QC/QA, and materials cost estimating for the company in Oklahoma, Texas, Kansas, Colorado, and New Mexico.  He served the College of Engineering at the University of Oklahoma as an adjunct instructor from 1999 to 2010, teaching CE 5303, “Asphalt Materials and Mix Design.”

Denis Guillette, Redstone Construction – Denis was born in Newport, VT, and graduated from the University of Vermont in 2002 with BSCE. He moved to Arkansas in 2009 and currently lives in Hot Springs. He enjoys spending time with his wife and 3 children. Denis began his highway construction career in 2000 working for VTrans as an asphalt plant inspector as summer employment. Since then, he has held several positions with increasing responsibility from Crew Foreman, Project Superintendent, Facility Manager, Project Manager/Estimator, Assistant Division Manager, Project Controls Manger. He has worked in 5 different states and has experience working with DOTs, USACE, airport, commercial and municipalities. He has worked on and managed projects from 30K to 90MM, from simple parking lots to heavy civil projects including site work, asphalt & concrete paving and bridges. Denis currently works for Redstone Construction in Little Rock, AR, overseeing Heavy Highway Projects including estimating, scheduling and construction coordination.

Kevin D. Hall (Moderator) – Dr. Hall is the Hicks Endowed Professor of Infrastructure Engineering in the Department of Civil Engineering at the University of Arkansas. He received both his BS and MS degrees from the University of Arkansas; he earned his Ph.D. from the University of Illinois in 1993 prior to joining the faculty of the University of Arkansas. Dr. Hall is very active in both the asphalt research community and the paving industry. His primary teaching and research interests include pavement design, materials, construction, and rehabilitation. Currently, he serves on numerous committees, task groups, and panels through the Transportation Research Board, ASTM, and industry. Dr. Hall is a Licensed Professional Engineer in the State of Arkansas.

Vivien Hoang, FHWA Division Administrator – On March 2, 2020, Vivien Hoang became the FHWA Division Administrator of the Arkansas Division. She leads an office of 16 professionals to deliver a $550 million Federal-aid Highway Program throughout Arkansas, in partnership with the Arkansas Department of Transportation. Prior to this position, Vivien served as a Special Assistant in the Office of the Administrator. In this capacity, she provided direct support to the Executive Director, serving as an advisor on national transportation program and policy issues as well as internal organizational initiatives. She was critical in coordinating Agency activities during the 2016 Administration transition and beyond. Vivien began her FHWA career in 2008 in the Colorado Division and has held progressive positions in the New Mexico and California Divisions. Prior to joining FHWA, Vivien worked in the private sector as a roadway and drainage design engineer. Vivien holds a Bachelor of Science Degree in Civil Engineering from the University of Florida and is a licensed Professional Engineer in the State of Florida.

David Miguel, Safety Instructor – David Miguel has over 27 years of experience in construction, mining, and general industry safety and health. Davis is a 1988 graduate of Boston College. He is an approved OSHA 10- and 30-hour outreach instructor in construction safety and health and is a certified MSHA safety instructor for surface mining. David is also authorized by the American Safety & Health Institute as a Level 3 Instructor for First Aid, CPR and AED. He holds a Safety and Health Specialist Certification from the National Safety Council. David provides motivational/high impact safety presentations as well as safety training, safety consulting, safety equipment, and confined space entry and rescue services to the construction, manufacturing, and mining industries throughout the country. Whether David is working with an international, national, regional or local company he prides himself on a truthful, common sense, practical and highly personal approach to safety and health.

Sarah Tamayo, ARDOT – Sarah is currently employed as the Staff Asset Management Engineer in the Asset Management Section in the System Information and Research Division at Arkansas Department of Transportation. Ms. Tamayo began working for ARDOT as an intern in the summer of 2006, during her senior year at the University of Arkansas. She completed her Bachelor of Science in Civil Engineering in December 2006 and went on to receive her Master of Science in Civil Engineering from the University of Arkansas at Fayetteville in 2008. Sarah currently is a registered Professional Engineer in Arkansas. In her off time she enjoys hiking, backpacking, scuba diving, and kayaking.

Lorie Tudor, ARDOT Director – After a 37-year career that began in 1981, Lorie Tudor became the Director of the Arkansas Department of Transportation in March of 2020.  Her background is in Planning.  She is the Chairman of the American Association of State Highway and Transportation Officials (AASHTO) Committee on Funding and Finance. She was inducted into the University of Arkansas’ Academy of Civil Engineering in 2018 and received AASHTO’s Alfred E. Johnson Achievement Award in 2019.  She was appointed to the State Board for Licensure for Professional Engineers and Professional Surveyors in October 2020.  Her term will expire in 2023.

Chris Wallace, ODOT District Engineer – District Engineer for ODOTs Division One in Muskogee, has been with the department since 2005. Shortly after graduating from Oklahoma State University with a bachelor’s degree in civil engineering in 2005, he joined ODOT as an Engineer-in-Training at the El Reno Residency. Wallace became the Division Four Area Maintenance Manager in 2009 and was later promoted to Stimulus Coordinator. As Stimulus Coordinator, Wallace worked closely in helping with projects in coordination with the Stimulus Act in 2009. In 2010, he became District One Traffic Engineer and then Resident Engineer at the Muskogee Residency. In 2012, Wallace served as the Construction Engineer for District One until appointed to his current position in November 2016. The district engineer oversees all maintenance and construction activities on highways and interstates in Adair, Cherokee, Haskell, McIntosh, Muskogee, Okmulgee, Sequoyah and Wagoner counties in eastern Oklahoma. Wallace was born in Burkburnett, Texas and served in the U.S. Marine Corps from 1996 to 2000. He and his wife, Felicia, have two children and live in Fort Gibson.

Check out photos from the 2020 Conference below.