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Stormwater tank performance : design and management criteria for capture tanks using a continuous simulation and a semi-probabilistic analytical app...

Stormwater tank performance significantly depends on management practices. Proposed is a procedure to assess tank efficiency in terms of volume and pollutant concentration using four different capture tank management protocols. The comparison of the efficiency results reveals that, as expected, a combined bypass—stormwater tank system achieves better results than a tank alone. The management practices tested for the tank-only systems provide notably different efficiency results. The practice of immediately emptying after the end of the event exhibits significant levels of efficiency and operational advantages. All other configurations exhibit either significant operational problems or very low performances. The continuous simulation and semi- probabilistic approach for the best tank management practice are compared. The semi-probabilistic approach is based on a Weibull probabilistic model of the main characteristics of the rainfall process. Following this approach, efficiency indexes were established. The comparison with continuous simulations shows the reliability of the probabilistic approach even if this last is certainly very site sensitive. [authors abstract]

TitleStormwater tank performance : design and management criteria for capture tanks using a continuous simulation and a semi-probabilistic analytical app...
Publication TypeJournal Article
Year of Publication2013
AuthorsDe Paola, F, De Martino, F
Paginationp. 1699 - 1711; 7 fig.; 3 tab.
Date Published2013-10-17
PublisherMolecular Diversity Preservation International, Water Editorial Office, MDPI
Place PublishedBasel, Switzerland
Keywordsefficiency, pollution control, storage tanks, water management, water pollution
Abstract

Stormwater tank performance significantly depends on management practices. Proposed is a procedure to assess tank efficiency in terms of volume and pollutant concentration using four different capture tank management protocols. The comparison of the efficiency results reveals that, as expected, a combined bypass—stormwater tank system achieves better results than a tank alone. The management practices tested for the tank-only systems provide notably different efficiency results. The practice of immediately emptying after the end of the event exhibits significant levels of efficiency and operational advantages. All other configurations exhibit either significant operational problems or very low performances. The continuous simulation and semi- probabilistic approach for the best tank management practice are compared. The semi-probabilistic approach is based on a Weibull probabilistic model of the main characteristics of the rainfall process. Following this approach, efficiency indexes were established. The comparison with continuous simulations shows the reliability of the probabilistic approach even if this last is certainly very site sensitive. [authors abstract]

NotesWith 15 references on p. 1711
Custom 1213.0

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The copyright of the documents on this site remains with the original publishers. The documents may therefore not be redistributed commercially without the permission of the original publishers.