Contech provides innovative, cost-effective site solutions to engineers, contractors, and developers on projects across North America. Our portfolio includes bridges, drainage, erosion control, retaining wall, sanitary sewer, and stormwater management products.
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One of the factors in determining the selection of a structure or structures to convey or store water is whether to use a single cell or multiple cell structures. The hydraulics and the economy of the solution are primary factors. While a single cell may be the more desirable option, the amount of headroom, or the vertical distance from the invert
Recently, I had the opportunity to participate in a webinar covering multiple states and 300 participants. The topic was PVC pipe applications and design considerations. Over 20 questions and requests were submitted and I decided to respond to one on the Pipe Blog – knowing that many of you may also have had a similar question. Hopefully, this
It’s that time of year again - temperatures have dropped below freezing, and the wintery weather has blown in. Departments of Transportation, state, local and city road crews are being kept on their toes, applying roadway treatments and safe passage for all of us. It is estimated that the US spends approximately $2.3 billion annually to keep highways free of snow and ice, and roughly 20% of transportation department budgets goes toward winter road maintenance.
As the New Jersey Department of Environmental Protection’s (NJDEP) certification program for Manufactured Treatment Devices (MTDs) has evolved over the years, one thing has remained consistent. Confusion among stormwater professionals regarding the role that NJDEP plays vs. the role that the New Jersey Corporation for Advanced Technology (NJCAT)