If you were to work at a firm for 50 years or stay married to the love of your life for 50 years, would you say that was a remarkable milestone?   Would one consider this to be a life time of service where congratulations are in order?  So, tell me, when a design engineer chooses to use a pipe product that has an anticipated design service life of

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

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

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

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