Each of the presenters and their bio's are noted below. Included are copies of their presentations (pdf format). We thank each presenter for providing copies for our members.

Andrew Lake, NSUPA Chair - Welcome Address & Financial Review


Jeff is currently a Training and Demonstration Specialist for Roadtec, an Astec Industries company. His background started with seven years in the United States Air Force where he was trained in Electronics, Hydraulics and Pneumatics. After leaving the Air Force, this training led him to a four year position at AGL Construction Lasers and Machine Control Systems where he installed and trained. The systems that he installed were primarily on Agriculture Scrapers, Graders, Dozers Milling Machines and Asphalt Pavers both 2D and 3D systems world wide.Moba Mobile Automation then offered him a position as Technical Manager for the US office where he installed and trained Paving and Milling Automation at the OEM level. After spending close to four years at Moba, he joined Roadtec, where for the past three and a half years he has been a Demonstrator on Pavers, Milling Machines and Soil Stabilizers.

Operation of Material Transfer Vehicles, Best Practices


Originally from Victoria Mines, Cape Breton, Robert graduated as a Civil Engineering Technologist from University College of Cape Breton in 1990.  Immediately after graduation, Robert began work with The Miller Group and spent time with Industrial Cold Milling in New Brunswick before moving to Ontario.  After five years with Miller, Robert spent four years with The Warren Group before moving to Kingston, Ontario with Cruickshank Construction Limited. During eight years with Cruickshank as General Manager, and later as Chief Administrative Officer, Robert gained a wide range of experience with all aspects of hot mix paving and roadbuilding. In 2008 Robert and his wife decided to move back to Nova Scotia.  He joined AMEC in April of 2009 as Field Supervisor for AMEC’s NSTIR Quality Assurance project.  His role takes him to the plant sites and jobsites around the province as AMEC provides quality assurance services to both EPS and Method Specification projects.

Paving of Bridge Decks, Best Practices


Gary is a Technical Services Representative for the Suit-Kote Corporation, where he has been employed for the past 24 years.  At Suit-Kote he is responsible for all aspects of quality control including the design, production, and application of Superpave mixes.  He serves on the technical committees of the New York Construction Materials Association (NYCMA) and the Liquid Asphalt Distributors Association (LADA).  He currently serves as the co-chair of the hot mix asphalt sub-committee of NYCMA and is a past chairman of the sub-committee on cold in-place recycling for LADA. He also previously co-chaired the NYCMA Superpave Task Group that helped the New York State Department of Transportation implement Superpave mixes in New York State.

Surface Treatments and Pavement Preservation Processes


Graduated from Dalhousie University in 2000 with a Bachelor of Civil Engineering.
Started his career with Graniterock Company in Watsonville California before joining Granite Construction Company in 2002 as a Branch Engineering Services Manager.
Joined Lafarge Canada as Quality Manager for Atlantic Canada in 2005, and joined the Municipal Group of Companies in 2009 as Materials Performance Manager.
Has been heavily involved in industry associations and technical committees, is currently secretary of this association, Member of CTAA and CUPGA
Is currently an active member of the US Federal Highway Association RAP Expert Task Group and Warm Mix Asphalt Technical Working Group.
Is a former presenter at The NSUPA, and author and presenter at Transportation Association of Canada and Canadian Technical Asphalt Association in 2010.


Mark Underhill began his position as Quality Control Superintendent for Dexter Construction’s Mobile Asphalt & Aggregate Operations in Nova Scotia in 2008. He joined Dexter Construction in 2004 as Quality Control Supervisor for Aggregate Production. Originally from Blackville, NB, Mark has been working in the Aggregates & Quality Control field since 1998. Mark gained laboratory & field experience with such organizations as ACP Testing & Engineering (Alberta), Jacques Whitford & Associates, and Beton Brunswick Ltee. Mark is a member of CTAA and is Currently 2nd Vice Chair of CUPGA. Mark has worked on several major construction projects in Atlantic Canada such as The Fredericton-Moncton Highway Project, The Irving Oil Refinery Expansion, and most recently was involved with paving on the Trans Labrador Highway in Goose Bay.


Mark Downie is a Materials Engineer and Project Manager with Maritime Testing Limited, and has more than 20 years experience in many aspects of materials testing, inspection and engineering.  Before joining Maritime Testing in 2005, Mark began his career as a Materials Technician with Warnock Hersey, staying with them through their transition to Geocon Atlantic, developing a strong base knowledge in many aspects of materials engineering.  In 1997 Mark returned to school to begin an Engineering degree and shortly thereafter transferred to SNC-Lavalin to gain experience in general Engineering Consulting.  Mark is well versed in asphalt concrete mix design methods and associated testing, being responsible for their submission for many End-Product Specification, as well as private, paving contracts.


Keith Purdy is a professional engineer with the Nova Scotia Department of Transportation and Infrastructural Renewal and is currently managing the pavement mangement system for NSTIR.

Warm Mix Asphalt Panel Discussion


Doug is the Business Director for Architectural, Bridge and Highway Market for the Chase Corporation.  He holds a BS from St. Mary’s University-Moranga, CA and an MBA from Santa Clara University, Santa Clara, CA.  Doug is married with four children and 4 grandchildren.

Rosphalt 50LT – A 1 Step Waterproofing/Wearing Course


Todd Mansell is the Technical Marketing Manager for Sakai America Inc. located in Adairsville, Georgia.  Todd provides technical training and consulting on asphalt compaction, rolling patterns, paving planning, and equipment selection for Sakai customers.  Prior work experience includes planning paving operations to achieve quality goals, coordinating mix design, plant production, construction, and QC/QA testing and management.  Past employers include the Ministry of Transportation for Ontario (MTO), EBA Engineering in Calgary, and Graniterock, a materials supplier and paving contractor in California.  Todd is involved with the American Association of Asphalt Paving Technologists, National Asphalt Pavement Association, International Society for Asphalt Pavements, Canadian Technical Asphalt Association, and a number of State Asphalt Pavement Associations.  Todd holds a civil engineering degree from Lakehead University in Thunder Bay and an MBA from Santa Clara University in California.

Design and Compaction of Thin Lift Pavements (part 1)

Design and Compaction of Thin Lift Pavements (part 2)


Mark Medeiros was born and raised in Toronto, where he studied mechanical engineering at University of Toronto, graduating in 2002.   His work experience included the automotive sector, with an engineering role to suppliers for major manufacturers in southern Ontario.  It was from his exposure to Japanese customers that he decided to spend a year living in Japan, before coming back to Canada in 2004. Shortly thereafter, Mark worked again in the automotive sector in a supervisory role.   In 2006, Mark moved to gain experience in the heavy equipment industry, working first for a dealer to eventually become their paving products specialist.  Most recently Mark joined Caterpillar Global Paving as the territory manager for paving products to dealers in central and eastern Canada. He currently lives with his wife just outside of Toronto.

Parking Lot Paving, Best Practices

Seminar Details

Date: April 14, 2011




NSUPA 4th Annual Seminar, 2011