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Split-flow Stormwater Management Strategy Design Feasibility and Cost Comparison

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dc.contributor.authorEchols, Stuart Pattonen
dc.contributor.committeecochairMiller, Patrick A.en
dc.contributor.committeecochairJohnson, Benjamin C.en
dc.contributor.committeememberBork, Dean R.en
dc.contributor.committeememberFerguson, Bruce K.en
dc.contributor.committeememberCox, William E.en
dc.contributor.departmentEnvironmental Design and Planningen
dc.date.accessioned2014-03-14T20:19:19Zen
dc.date.adate2002-12-10en
dc.date.available2014-03-14T20:19:19Zen
dc.date.issued2002-10-11en
dc.date.rdate2005-02-11en
dc.date.sdate2002-11-29en
dc.description.abstractThis dissertation develops a new distributed split-flow stormwater management strategy and compares its site design feasibility and construction cost to existing stormwater management methods. The purpose of the split-flow strategy is to manage stormwater by preserving predevelopment flows in terms of rate, quality, frequency, duration and volume. This strategy emulates the predevelopment hydrology: it retains and infiltrates additional runoff volume created by development by using bioretention and paired weirs as proportional flow splitters connected to small infiltration facilities distributed throughout a site. Results show that 1) the distributed split-flow stormwater management strategy can provide a higher level of environmental protection at comparable construction cost to existing detention-based methods, 2) split-flow systems are less expensive to construct than current truncated hydrograph-based bioretention and infiltration systems and 3) non-point source water pollution-reduction objectives, currently achieved with either detention with first flush or comparable bioretention and infiltration systems, could be achieved in a more cost-effective manner using distributed split-flow stormwater management strategy.en
dc.description.degreePh. D.en
dc.identifier.otheretd-11292002-102632en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-11292002-102632/en
dc.identifier.urihttp://hdl.handle.net/10919/29776en
dc.publisherVirginia Techen
dc.relation.haspartEchols_Dissertation.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectSplit-Flowen
dc.subjectStormwater Managementen
dc.subjectEcological Restorationen
dc.titleSplit-flow Stormwater Management Strategy Design Feasibility and Cost Comparisonen
dc.typeDissertationen
thesis.degree.disciplineEnvironmental Design and Planningen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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