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• <br />• <br />• <br />and volumes, the use of a stormwater <br />treatment train .roduces a much more <br />flows and higher base flows relative to <br />The hydrograph of a typical engineered <br />approach. <br />With respect to stormwater flow rates and volumes, the use of a stormwater <br />treatment train produces a much more natural hydrograph with lower peak <br />flows and higher base flows relative to the hydrograph of a typical engineered <br />approach. Figure 7.6 is instructive in that it illustrates the difference between <br />an engineering and ecological approach to stormwater management. With <br />certainly, the ecological approach to hydrology is desirable when ecological <br />health is one of the principles being adhered to during development planning. <br />An additional point about the treatment train approach to stormwater <br />management is the potential it offers to recapture development dollars by <br />avoiding the costs of putting in storm sewer systems when a more ecological -sound <br />approach is workable. By redirecting limited development dollars, a <br />developer can often offer more flexibility toward other development issues, <br />such as setting aside additional land as open space. <br />The Built Environment <br />The built environment consists of all <br />infrastructural components that service <br />human needs and create a safe and <br />appealing place to live and work. <br />The built environment consists of all infrastructural components that service <br />human needs and create a safe and appealing place to live and work. It <br />includes housing, transportation, businesses, commercial areas, schools, and <br />so forty Fc r the purposes of this handbook, the primary focus is on resident'al <br />conservation developments. It should be noted :however, that these same <br />basic principles and ideals °can be applied to other types of.development <br />areas, ranging from the Town Center;site to light industrial areas and school s <br />This handbook di sa does not directly address issues of zoning and guided lard <br />uses, which are considered in the city's comprehensive plan. That document <br />should be referred to for further discussion on these issues. <br />• Page 6 <br />