Better Roads Digital Magazine
Issue link: https://read.dmtmag.com/i/85919
June 2012 Volume 82. Number 6 Contents DIGITAL EDITION EXTRA SPECIALS BetterRoads.com Contractor of the Year: Steve Cosper, CEO, Granite Contracting, Concord, N.C. Strong financial management skills and use of technology helped this contrac- tor survive the recession and flourish. He is also sister publication Equipment World magazine's Contractor of the Year. Page 33a In Court Better Roads' attorney/engineer Brian Morrow looks at a case involving an inju- ry suffered by an independent contractor who seeks to hold the general contractor liable for his injuries. This case impli- cates the legal principle regarding under what circumstances may a contractor potentially be held liable for an injury suffered by an independent contractor. Page 17a Wish List Extra To see the reauthorization wish list sent to the conference committee by the National Association of City Transportation Officials go to our digital edition, page 7a Special from Paris Major new road products introduced at the huge Intermat construction equipment trade show in Paris in April. Plus some overflow of our regular NRP. Page 39a COLUMNS & DEPARTMENTS 3 Lattatudes 44 Kirk Landers PRODUCTS & SERVICES 40 Marketplace 43 Advertiser Index BetterRoadsDigital.com Facebook www.facebook.com/betterroadsmagazine Connect to Better Roads at wwww.LinkedIn.com Twitter www.Twitter.com@BetterRoads Better Roads June 2012 1 30 APPLICATIONS & INNOVATIONS Weathering Stormwater A small Arkansas town finds an unexpected way to repair collapsed culverts before a flash flood hits; and the American Public Works Association (APWA) has developed the Certified Stormwater Manager (CSM) credential program. It's Snow Time! HIGHWAY CONTRACTOR Getting ready for winter maintenance preparation? Here are three stories to help strategy, planning and preparedness sessions. Executive editor Tina Grady Barbaccia follows up American Public Works Association North American Snow Conference education sessions by developing stories on sustainability, alternative fuels and operator training. Cover photo: GTibbetts / Shutterstock.com 18 ROADSCIENCE SPECIAL SERIES A 8 The Chemistry of Asphalt Emulsions. The Chemistry of Road Building Materials Asphalt emulsions are the foundation of pave- ment preservation surface treatments. How they interact with the existing substrate and the aggregates with which they are placed in chip seals, slurry seals and other treatments depends on their chemistry and they are selected on that basis. We explore their manufacture and identi- ties – such as anionic and cationic, and their zeta potential – and their performance in the field including break time and curing. 32 FINANCIAL DISTRICT Howdy Partner! In these tough economic times it (sometimes) makes sense to find a partner so that your com- pany can stay healthy. Done right, it can be a major success story for both parties. But there's a right way and wrong way to go about it.