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After having successfully completed a new professional development hour (PDH) article for Informed Infrastructure on the topic of buried culverts and service life, I was struck by the complexity of what may seem, at first blush, to be a relatively straightforward project. Specifically – the importance of the backfill material selection process.Not

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A question that comes up frequently: “Will this alternate pipe solution convey the same amount of flow that’s shown on these set of plans?”And the one thing most people tend to dread hearing is the same tired response: well, that depends. Why does it always have to depend on something? Just give me an answer: yes or no?As an engineer, it has been

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U.S. sewer infrastructure continues to see increasing rates of sanitary and storm sewer deterioration and a need for cost-effective rehabilitation solutions. Contech has such a solution, with A2™ Liner PVC pipe. A2 Liner pipe is an augmentation of Contech’s A-2000™ PVC pipe, meeting the requirements of ASTM F949 & D3212. A2 Liner, with its

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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

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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

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