Assessment of Human Stability in Sewer Systems during Dry Weather Conditions

Inspection and maintenance tasks are essential to guarantee the correct operation of sewer drainage networks. In combined sewers, these tasks are generally carried out during dry periods when only wastewater flow circulates in the system. When the sewer is big enough to allow the access of people, t...

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Autores principales:	Beniamino Russo, Luca Locatelli, Daniel Yubero, Oscar Ruiz, Alejandro Acero Oliete
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	health and safety hazard criteria sewer system inspection wastewater modelling Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/71a1afe081db42fcb47383d25290ce75
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spelling	oai:doaj.org-article:71a1afe081db42fcb47383d25290ce752021-11-11T19:52:33ZAssessment of Human Stability in Sewer Systems during Dry Weather Conditions10.3390/w132129542073-4441https://doaj.org/article/71a1afe081db42fcb47383d25290ce752021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/21/2954https://doaj.org/toc/2073-4441Inspection and maintenance tasks are essential to guarantee the correct operation of sewer drainage networks. In combined sewers, these tasks are generally carried out during dry periods when only wastewater flow circulates in the system. When the sewer is big enough to allow the access of people, this inspection is done in person with consequent potential exposure to several hazards such as the presence of toxic gases, the possibility to fall or the loss of stability due to the presence of a continuous wastewater flow. In this context, this paper presents a methodology to assess hazard conditions related to human stability in sewer systems during dry weather periods. Hazard assessment has been performed by applying several hazard criteria to the results of a 1D sewer model simulations regarding a real network in Spain. Results show that the influence of the selection of hazard criteria is relevant, although only a small part of the whole system can be classified as high hazard. Regardless, the proposed method is highly effective to detect these kinds of pipes and we consider them as critical point to improve health and safety procedures during maintenance and inspection tasks.Beniamino RussoLuca LocatelliDaniel YuberoOscar RuizAlejandro Acero OlieteMDPI AGarticlehealth and safetyhazard criteriasewer system inspectionwastewater modellingHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 2954, p 2954 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	health and safety hazard criteria sewer system inspection wastewater modelling Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	health and safety hazard criteria sewer system inspection wastewater modelling Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Beniamino Russo Luca Locatelli Daniel Yubero Oscar Ruiz Alejandro Acero Oliete Assessment of Human Stability in Sewer Systems during Dry Weather Conditions
description	Inspection and maintenance tasks are essential to guarantee the correct operation of sewer drainage networks. In combined sewers, these tasks are generally carried out during dry periods when only wastewater flow circulates in the system. When the sewer is big enough to allow the access of people, this inspection is done in person with consequent potential exposure to several hazards such as the presence of toxic gases, the possibility to fall or the loss of stability due to the presence of a continuous wastewater flow. In this context, this paper presents a methodology to assess hazard conditions related to human stability in sewer systems during dry weather periods. Hazard assessment has been performed by applying several hazard criteria to the results of a 1D sewer model simulations regarding a real network in Spain. Results show that the influence of the selection of hazard criteria is relevant, although only a small part of the whole system can be classified as high hazard. Regardless, the proposed method is highly effective to detect these kinds of pipes and we consider them as critical point to improve health and safety procedures during maintenance and inspection tasks.
format	article
author	Beniamino Russo Luca Locatelli Daniel Yubero Oscar Ruiz Alejandro Acero Oliete
author_facet	Beniamino Russo Luca Locatelli Daniel Yubero Oscar Ruiz Alejandro Acero Oliete
author_sort	Beniamino Russo
title	Assessment of Human Stability in Sewer Systems during Dry Weather Conditions
title_short	Assessment of Human Stability in Sewer Systems during Dry Weather Conditions
title_full	Assessment of Human Stability in Sewer Systems during Dry Weather Conditions
title_fullStr	Assessment of Human Stability in Sewer Systems during Dry Weather Conditions
title_full_unstemmed	Assessment of Human Stability in Sewer Systems during Dry Weather Conditions
title_sort	assessment of human stability in sewer systems during dry weather conditions
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/71a1afe081db42fcb47383d25290ce75
work_keys_str_mv	AT beniaminorusso assessmentofhumanstabilityinsewersystemsduringdryweatherconditions AT lucalocatelli assessmentofhumanstabilityinsewersystemsduringdryweatherconditions AT danielyubero assessmentofhumanstabilityinsewersystemsduringdryweatherconditions AT oscarruiz assessmentofhumanstabilityinsewersystemsduringdryweatherconditions AT alejandroacerooliete assessmentofhumanstabilityinsewersystemsduringdryweatherconditions
_version_	1718431414283665408

Assessment of Human Stability in Sewer Systems during Dry Weather Conditions

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