Designing for the First Flushby Donald M. Grisham, Sr. Civ. Engr.; Arredondo, Brunz & Assoc., Inc., Dallas, TX,
Serial Information: Civil Engineering—ASCE, 1995, Vol. 65, Issue 11, Pg. 67-69
Document Type: Feature article
Abstract: This article explains some of the details involved in separating the first flush of a storm event from the remainder of the storm. It also explains how to provide primary treatment of pollutants by detention. Detention allows settling of suspended solids and evaporation of volatiles. Design parameters are quantified and one example is designing for those parameters (the sand filter bed constructed for the Irving Transit Center in Dallas, Texas) is presented. The article also outlines how to determine the size of detention facilities for pollution abatement in storm runoff while also attenuating peak flows and provides a detailed analysis of a sample project.
Subject Headings: Abatement and removal | Pollutants | Reservoirs | Runoff | Storms | Water treatment
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