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Water 2013, 5(4), 1699-1711; doi:10.3390/w5041699

Stormwater Tank Performance: Design and Management Criteria for Capture Tanks Using a Continuous Simulation and a Semi-Probabilistic Analytical Approach

1
Department of Civil, Architectural and Environmental Engineering, University of Naples Federico II, via Claudio 21, Napoli 80125, Italy
2
ARCADIS, Agenzia Regionale Campana Difesa Suolo, Napoli 80133, Italy
*
Author to whom correspondence should be addressed.
Received: 19 August 2013 / Revised: 23 September 2013 / Accepted: 11 October 2013 / Published: 17 October 2013
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Abstract

Stormwater tank performance significantly depends on management practices. This paper proposes 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. View Full-Text
Keywords: water pollution and remediation; management practices; efficiency control; basin pollution control water pollution and remediation; management practices; efficiency control; basin pollution control
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

De Paola, F.; De Martino, F. Stormwater Tank Performance: Design and Management Criteria for Capture Tanks Using a Continuous Simulation and a Semi-Probabilistic Analytical Approach. Water 2013, 5, 1699-1711.

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