Preprints
https://doi.org/10.5194/dwes-2017-9
https://doi.org/10.5194/dwes-2017-9
01 Mar 2017
 | 01 Mar 2017
Status: this preprint has been withdrawn by the authors.

A case study of rainfall-derived infiltration and inflow on a separate sanitary sewer system

Nelson J. G. Carriço, Rita Brito, and Manuel Baptista

Abstract. Rainfall-derived infiltration and inflow (RDII) can interfere with the performance of domestic wastewater drainage systems. It is also a major cause for the deterioration of the functional performance in those systems and for the occurrence of domestic wastewater untreated discharges to the water environment. In most cases, the actual size and location of these inflows are unknown. To assess this subject of RDII, a detailed knowledge of the network is required as well as a diagnosis of the problem, namely, the type of inflows, the magnitude of their occurrence and the location of the most relevant impacts. This paper presents the application of a methodology to estimate RDII on a Portuguese case study.

This preprint has been withdrawn.

Nelson J. G. Carriço, Rita Brito, and Manuel Baptista

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Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Nelson J. G. Carriço, Rita Brito, and Manuel Baptista
Nelson J. G. Carriço, Rita Brito, and Manuel Baptista

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This preprint has been withdrawn.

Short summary
This paper presents the application of a methodology to estimate RDII on a Portuguese case study. A two-step based methodology based in hydraulic modelling and assessment and performance evaluation was explained and applied. The aim of the study was to estimate the amount of RDII in the sanitary system and locate the priority intervention areas mostly concerning direct rainwater inflow.