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UNIT 14a <br />SIDIMENPATION BASIN DESIIN <br />- -- <br />~. ;. - <br />)Uri ~ 3 1QFg <br />Temporary or permanent sedimentation basins (SB) may be an important <br />component of an urban surface water system. Such facilities control <br />suspended solids and other debris typically conveyed by stormwater run- <br />off, and also remove some. of the associated adsorbed or absorbed <br />potential pollutants. <br />Concepts and definitions pertinent to SB are presented and discussed in <br />--the beginning of this unit. A SB design procedure is then presented and <br />comprises mist of the unit. <br />A SB is a facility intended to trap suspended solids and suspended and <br />buoyant debris carried by stormwater run-off. Another purpose of a SB <br />