Where are you buying structural backfill these days? Is what you need readily available, or are you looking outside your area and/or waiting an extended time for delivery? With available land space continuing to decrease, stormwater detention/retention is commonly being designed underground. The current construction boom and increasing detention volume requirements have made rock scarce and expensive in many parts of the country.

We are an industry of abbreviations and acronyms. The terms we use daily can sometimes hold a general or broad meaning in our minds, but the actual definition

Engineers widely use plastic chambers for retention and/or infiltration of stormwater.  These systems are comprised of rows of open bottom arch-shaped chambers

Corrugated metal pipe (CMP) is the “go-to” material for most stormwater detention and infiltration projects. A wide range of gages, corrugations, and diameters

As previously discussed in our “Construction Cover vs. Post Construction Cover” blog post, the total cover required for a system is the combination of the