2/14/2023 0 Comments Porus definitionThis allows property owners to develop a larger area of available property at a lower cost. Pervious concrete reduces the runoff from paved areas, which reduces the need for separate stormwater retention ponds and allows the use of smaller capacity storm sewers. This allows the planner/designer to achieve pre-development stormwater goals for pavement intense projects. Pervious concrete lowers the sites SCS Curve Number by retaining stormwater on site. As regulations further limit stormwater runoff, it is becoming more expensive for property owners to develop real estate, due to the size and expense of the necessary drainage systems. Environmental Protection Agency (EPA) for providing first flush pollution control and stormwater management. The proper utilization of pervious concrete is a recognized Best Management Practice by the U.S. It did not become as popular in the US until the 1970s. It became increasingly viable in Europe after WWII due to the scarcity of cement. It became popular again in the 1920s for two storey homes in Scotland and England. Cost efficiency was the main motive due to a decreased amount of cement. Pervious concrete was first used in the 1800s in Europe as pavement surfacing and load bearing walls.
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