The Road Building Industry Recognizes Dufferin Concrete for its Leadership in Sustainable and Green Construction Practices

TORONTO, April 21 /CNW/ - The Ontario Road Builders' Association (ORBA), in partnership with the Ministry of Transportation (MTO) and the Ontario Good Roads Association (OGRA), is pleased to announce that Dufferin Concrete, a division of Holcim Canada Inc., is the inaugural winner of the 2010 ORBA Green Leadership and Sustainability Award.

"We launched the Green Leadership and Sustainability Award last year to recognize the efforts our members are making to protect the environment," said ORBA president, Alfredo Maggio.  "The award recognizes the ongoing environmental leadership and innovative achievements being made by road builders toward the objective of environmental stewardship and enhanced sustainability."

Recognizing the achievements of the road building industry, Minister of Transportation, The Honourable Kathleen Wynne stated: "As we celebrate Earth Day, I would like to congratulate the winners of the first ORBA award recognizing green leadership and sustainability.  I am pleased that the road building industry is looking to the future and embracing green methods of construction."

"Municipalities are at the forefront of adapting to the effects of climate change," said John Curley, President of OGRA.  "The ability to partner with Ontario's road building industry to deploy environmentally sustainable solutions provides a template for how local governments and the private sector can work together to find answers to this challenge."

The inaugural award was presented to Dufferin Concrete on Earth Day, for its dedication to sustainable practices by equipping its fleet of over 400 ready-mix concrete trucks with its Enviroguard system.  The Enviroguard solution is a new and self-contained ready-mix truck chute wash-out system which effectively eliminates any concrete chute wash water from being released into the environment.  Achieving this milestone in 2010, Dufferin Concrete is the first ready-mix concrete supplier in Ontario to have outfitted its fleet with this innovative solution. By utilizing this system across Ontario, an estimated 3,752,660 litres of water and slurry were recycled and not emitted into the natural environment.

Dufferin Concrete's Enviroguard works in a simple and effective manner where the ready-mix truck driver simply hoses down the chute and the waste water collects in a bucket, along with sand, aggregates and cementitious materials, which is then recycled. The system provides a solution for recycling materials and water that would otherwise be dumped or wasted on a job site

The judging panel for the 2010 ORBA Green Award was comprised of ORBA members, the MTO and OGRA representatives, as well as third party experts.  It received numerous impressive submissions that highlighted ongoing sustainable practices in the road building industry, including: the recycling of asphalt and granular on road construction projects; utilizing green materials in the construction of roads, such as warm-mix asphalt and pervious concrete; as well as innovative commitments to Environmental Management Systems in the construction industry.

It was critical to the judging panel that the award recognizes innovative activities within the industry that went beyond the scope of requirements in specific contracts or otherwise original and sustainable day to day activities.  In that spirit, the committee also highlighted four other applicants that demonstrated an extraordinary commitment to sustainability by utilizing innovative products or processes.  These submissions were awarded an Honourable Mention, and will be further highlighted on the ORBA website (  They include:

  • The Miller Group:  The Miller Group introduced an innovative solution for the use of post-construction shingles, by recycling previously used shingles into hot mix asphalt.  By utilizing recycled shingles in hot mix asphalt it reduces overall fuel consumption, and the carbon footprint, as well as increases the use of recyclable materials. Miller has proven it is dedicated to the promotion of this material as it incorporated this engineered product on numerous contracts, including one in Markham in 2010, reducing the carbon footprint by 2.2 tonnes on this contract alone.  In addition, the Miller Group is committed to research and development of this product, in order to gain greater industry acceptance, by partnering with research entities within the University of Waterloo and The Ontario Centres of Excellence to ensure quality material design.
  • Bot Construction:  Bot Construction introduced an innovative solution on an MTO Highway 8 contract in Kitchener/Waterloo to mitigate impacts to water quality and aquatic habitat in an environmentally sensitive area.  By redesigning a construction approach to eliminate an in-water work platform during construction and utilizing product innovations for erosion control and silt mitigation and reducing fuel consumption, Bot Construction implemented a creative, successful and sustainable solution that may be reproduced on future contracts calling for erosion and sediment control.
  • Dufferin Construction (a division of Holcim Canada Inc.):  Dufferin Construction introduced and placed the first Portland Limestone Cement (PLC) concrete pavement test section on a 400 series highway in Ontario.  Utilizing PLC has strong environmental benefits, by reducing greenhouse gas emissions associated with cement manufacturing by approximately 10%, and furthermore reducing the impact on natural resources as less limestone needs to be mined for cement production. Dufferin Concrete successfully recommended a change in the scope of contract to utilize PLC, while engaging the University of Toronto in a research capacity to substantiate that PLC Concrete has the ability to be generally accepted and used across the road construction industry.
  • Huron Construction (a division of the Miller Group): Huron Construction introduced a change in the scope of contract to recycle premium aggregates (trap rock recycled asphalt) in a surface course mix saving 1,785 tonnes of premium aggregates and 107 tonnes of asphalt cement.  Although the approach of recycling of asphalt and aggregates is commonplace in the construction industry, utilizing a recycled product in a surface course mix is innovative.  Furthermore, it is a sustainable solution for a region of Ontario that lacks naturally occurring premium aggregate needed for a road surface course, and as a result avoided the environmental costs of transporting the product from Northern Ontario.

The winners of the 2010 ORBA Green Leadership and Sustainability Award will also be recognized at the 2012 ORBA Convention.

The Ontario Road Builders' Association is the voice of the majority of road building contractors who build and maintain Ontario's provincial roads. In addition ORBA boasts approximately 100 associate members who supply products and equipment to the industry.  To learn more about ORBA go to

SOURCE Ontario Road Builders' Association

For further information:

Karen Renkema, Director of Government Relations, ORBA (905) 507-1107 x223 (cell) 416-768-4848

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Ontario Road Builders' Association

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