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Artículos de revistas sobre el tema "Storm sewers"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 31 de julio de 2024

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1

Baur, R., and R. Herz. "Selective inspection planning with ageing forecast for sewer types." Water Science and Technology 46, no. 6-7 (September 1, 2002): 389–96. http://dx.doi.org/10.2166/wst.2002.0704.

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Investments in sewer rehabilitation must be based on inspection and evaluation of sewer conditions with respect to the severity of sewer damage and to environmental risks. This paper deals with the problems of forecasting the condition of sewers in a network from a small sample of inspected sewers. Transition functions from one into the next poorer condition class, which were empirically derived from this sample, are used to forecast the condition of sewers. By the same procedure, transition functions were subsequently calibrated for sub-samples of different types of sewers. With these transit

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2

Ingole, Prof Y. R. "Design and Development of a Manual Controlled Mobile Robot for Inspection of Cracks in Storm Sewer Using Machine Learning." International Journal for Research in Applied Science and Engineering Technology 12, no. 4 (April 30, 2024): 2895–900. http://dx.doi.org/10.22214/ijraset.2024.60538.

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Abstract: The aim of this study is to develop a "Design and Development of a Manually Controlled Mobile Robot for Inspection of Cracks in Storm Sewers using Machine Learning" with the objective of mitigating human involvement in labour-intensive and hazardous environments. Storm sewers often present challenging conditions for inspection, including toxic chemicals, fluids, and narrow or inaccessible spaces that are unsafe for human entry. These conditions necessitate the use of robots to conduct inspections and identify cracks and blockages within the sewer system. The proposed model is an in-p

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3

Schilperoort, Rémy, Holger Hoppe, Cornelis de Haan, and Jeroen Langeveld. "Searching for storm water inflows in foul sewers using fibre-optic distributed temperature sensing." Water Science and Technology 68, no. 8 (October 1, 2013): 1723–30. http://dx.doi.org/10.2166/wst.2013.419.

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A major drawback of separate sewer systems is the occurrence of illicit connections: unintended sewer cross-connections that connect foul water outlets from residential or industrial premises to the storm water system and/or storm water outlets to the foul sewer system. The amount of unwanted storm water in foul sewer systems can be significant, resulting in a number of detrimental effects on the performance of the wastewater system. Efficient removal of storm water inflows into foul sewers requires knowledge of the exact locations of the inflows. This paper presents the use of distributed tem

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4

McIlhatton, T. D., R. M. Ashley, and S. J. Tait. "Improved formulations for rapid erosion of diverse solids in combined sewers." Water Science and Technology 52, no. 5 (September 1, 2005): 143–50. http://dx.doi.org/10.2166/wst.2005.0128.

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For more than a decade, research carried out in Scotland has investigated the movement of sediment in sewers and the associated pollutant release. Pollution by discharges from combined sewer overflows can adversely affect watercourses, particularly those in urban areas. Solids and dissolved contaminants, many derived from in-sewer deposits during a storm event, can be especially significant. This phenomenon can occur during events known as ‘foul flushes’. In combined sewers these typically occur in the initial period of storm flows, when the concentration of suspended sediments and other pollu

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5

Arthur, S., and R. M. Ashley. "The influence of near bed solids transport on first foul flush in combined sewers." Water Science and Technology 37, no. 1 (January 1, 1998): 131–38. http://dx.doi.org/10.2166/wst.1998.0032.

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The problems associated with deposited sediments in sewers, and their transport through sewer systems have been the subject of detailed fieldwork programmes in the UK, and elsewhere in Europe. Existing laboratory, and some field based research exercises have focused on the relatively small, discrete particles. It is clear, however, that combined sewer systems have inputs which comprise of a significant proportion of large organic solids (faecal and food wastes), as well as the finer range of particle sizes. The increased concern regarding CSO spills into the environment has fuelled the recent

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6

Xu, Zuxin, Jun Wu, Huaizheng Li, Zhenghua Liu, Keli Chen, Hao Chen, and Lijun Xiong. "Different erosion characteristics of sediment deposits in combined and storm sewers." Water Science and Technology 75, no. 8 (February 8, 2017): 1922–31. http://dx.doi.org/10.2166/wst.2017.076.

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To investigate the different erosion patterns of sediments in combined and storm sewers, sediments from three separate sewer systems and two combined sewer systems in urban Shanghai were collected for the flushing experiments. These experiments were conducted with different consolidation periods and shear velocities. As the consolidation period increases, dissolved oxygen exhibits a positive effect on the microbial transformations of organic substrates. Potential structural changes and separations of the surface and bottom layers of sediments are observed. The results also reveal that the orga

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7

Ruan, Mingchaun, and Jan B. M. Wiggers. "Application of time-series analysis to urban storm drainage." Water Science and Technology 36, no. 5 (September 1, 1997): 125–31. http://dx.doi.org/10.2166/wst.1997.0180.

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In urban storm drainage, deterministic models, such as SWMM, HydroWorks and MOUSE are commonly used. However, comprehensive research programmes, including field surveys, have indicated that most processes related to urban storm drainage have stochastic characteristic, like the occurrence of rainfall events, the processes of rainfall-runoff and flow routing in sewer networks3etc.. Particularly, sediments found in sewers either in suspension or in deposition, cannot be considered as having a unique entity. Inhomogeneity and randomness are just the nature of sewer sediment behaviour. Most data re

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8

Coghlan, Brian P., Richard M. Ashley, and George M. Smith. "Empirical equations for solids transport in combined sewers." Water Science and Technology 33, no. 9 (April 1, 1996): 77–84. http://dx.doi.org/10.2166/wst.1996.0181.

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An investigation of the transport of solids in combined sewers during both dry weather flow (DWF) periods and storms is described. The study was based on data obtained from a number of sites in the combined sewer system of Dundee, Scotland. The relationship between hydraulic conditions in a combined sewer and the transport of solids in suspension was examined. The aim was to arrive at a methodology by which an appropriate model could be selected or developed which would predict solids transport rates given information on hydraulic conditions. It was found that for individual sites, site-specif

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9

Vollertsen, J., and T. Hvitved-Jacobsen. "Exfiltration from gravity sewers: a pilot scale study." Water Science and Technology 47, no. 4 (February 1, 2003): 69–76. http://dx.doi.org/10.2166/wst.2003.0223.

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Pilot-scale experiments were conducted on exfiltration of wastewater from gravity sewers. The effect of storm events, flushing of pipes and alternating infiltration/exfiltration were simulated. Exfiltration through different types of sewer leaks and into different soils were studied. It was found that the exfiltration rate became constant after some days of exfiltration. It stayed constant for the duration of the experiments, which typically spanned over some weeks. The exfiltration was governed by the development of a clogging zone at the sewer leak and could be characterized by a leakage fac

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10

Pan, Gang, Bao Wang, Shuai Guo, Wenming Zhang, and Stephen Edwini-Bonsu. "Statistical analysis of sewer odour based on 10-year complaint data." Water Science and Technology 81, no. 6 (March 15, 2020): 1221–30. http://dx.doi.org/10.2166/wst.2020.217.

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Abstract The City of Edmonton has been suffering from sewer odour problem for many years. Ten years of odour complaints data from 2008 to 2017 were statistically analyzed to identify major factors that relate to the odour problem. Spatial and temporal distributions of odour complaints in the city were first presented. Then relationships between the complaints and physical attributes of the sewer systems were analyzed by introducing a parameter of risk index. It was found that the snowmelt and storm events could possibly reduce odour complaints. Old sewer pipes and large drop structures are sta

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11

Langeveld, J. G., C. de Haan, M. Klootwijk, and R. P. S. Schilperoort. "Monitoring the performance of a storm water separating manifold with distributed temperature sensing." Water Science and Technology 66, no. 1 (July 1, 2012): 145–50. http://dx.doi.org/10.2166/wst.2012.152.

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Storm water separating manifolds in house connections have been introduced as a cost effective solution to disconnect impervious areas from combined sewers. Such manifolds have been applied by the municipality of Breda, the Netherlands. In order to investigate the performance of the manifolds, a monitoring technique (distributed temperature sensing or DTS) using fiber optic cables has been applied in the sewer system of Breda. This paper describes the application of DTS as a research tool in sewer systems. DTS proves to be a powerful tool to monitor the performance of (parts of) a sewer system

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12

Li, James, and Alex McCorquodale. "Modeling Mixed Flow in Storm Sewers." Journal of Hydraulic Engineering 125, no. 11 (November 1999): 1170–80. http://dx.doi.org/10.1061/(asce)0733-9429(1999)125:11(1170).

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13

Zhou, F., F. Hicks, and P. Steffler. "Analysis of effects of air pocket on hydraulic failure of urban drainage infrastructure." Canadian Journal of Civil Engineering 31, no. 1 (January 1, 2004): 86–94. http://dx.doi.org/10.1139/l03-077.

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The effects of trapped air on flow oscillations and pressure surges in a model trunk sewer–manhole system subject to rapid filling are investigated. The study reveals the detrimental impacts of entrapped air during severe storm events under which pipelines are likely overloaded. The results of the investigation indicated huge peak pressures and severe pressure oscillations inside the system.Key words: trapped air, flow transient, rapid filling, sewers.

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14

Marsalek, J., T. O. Barnwell, W. Geiger, M. Grottker, W. C. Huber, A. J. Saul, W. Schilling, and H. C. Torno. "Urban Drainage Systems: Design and Operation." Water Science and Technology 27, no. 12 (June 1, 1993): 31–70. http://dx.doi.org/10.2166/wst.1993.0291.

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Design and operation of urban drainage systems are addressed in the context of the urban water system comprising drainage, sewage treatment plants and receiving waters. The planning and design of storm sewers are reviewed with reference to planning objectives, design objectives, flows and pollutant loads, sewer system structures and urban runoff control and treatment. The discussion of combined sewers focuses on hydraulic design of combined sewer systems, including combined sewer overflow (CSO) structures, and the use of CSO structures and storage in control of CSOs. The section on operation o

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15

Nalluri, Chandramouli, and Aminuddin Ab Ghani. "Design options for self-cleansing storm sewers." Water Science and Technology 33, no. 9 (April 1, 1996): 215–20. http://dx.doi.org/10.2166/wst.1996.0214.

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A list of available codes of practice for self-cleansing sewers is presented and a review of appraisals of minimum velocity criterion is summarised. Comparisons of newly developed “minimum velocity” criteria and “minimum shear stress” criterion are presented. Some design charts are also given. These charts are applicable to non-cohesive sediments (typically storm sewers). It appears that sediment size and concentration need to be taken into account, and that a limited depth of sediment bed is recommended for large pipes (diameters &gt; 1000 mm) to maximise their transport capacity.

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16

Lee, Jimin, Jinsun Kim, Jong Mun Lee, Hee Seon Jang, Minji Park, Joong Hyuk Min, and Eun Hye Na. "Analyzing the Impacts of Sewer Type and Spatial Distribution of LID Facilities on Urban Runoff and Non-Point Source Pollution Using the Storm Water Management Model (SWMM)." Water 14, no. 18 (September 6, 2022): 2776. http://dx.doi.org/10.3390/w14182776.

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The negative changes in the hydrological cycle are increasing due to climate change and urbanization, resulting in deterioration of water quality and environmental issues. Although Low-Impact Development (LID) techniques studies have been conducted to solve this problem, the spatial distribution of LID facilities and sewer types has received less attention. In this study, it is proposed to analyze the effects of sewer type, the spatial distribution of LID facilities, and LID type on runoff and water quality using the Storm Water Management Model and to identify effective ways of improving the

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17

Delleur, J. W., and Y. Gyasi-Agyei. "Prediction of Suspended Solids in Urban Sewers by Transfer Function Model." Water Science and Technology 29, no. 1-2 (January 1, 1994): 171–79. http://dx.doi.org/10.2166/wst.1994.0663.

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There is increasing concern about the sediments transported in urban storm sewers. Progress has been made on the measurement of suspended solids, and telemetry systems have been installed that permit remote access to flow, temperature and suspended solids concentration data. Using observations obtained in the main trunk sewer in Brussels, Belgium, a transfer function model for the prediction of suspended load concentration from temperature and discharge measurements was developed. This model is based on the transfer function methodology developed by Box and Jenkins. It is shown that the transf

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18

Mcllhatton, T. D., R. Sakrabani, R. M. Ashley, and R. Burrows. "Erosion mechanisms in combined sewers and the potential for pollutant release to receiving waters and water treatment plants." Water Science and Technology 45, no. 3 (February 1, 2002): 61–69. http://dx.doi.org/10.2166/wst.2002.0055.

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The problems associated with solids in sewerage systems result in common difficulties such as blockages and flooding and the subsequent maintenance requirements have been well documented. Concerns regarding pollutant release have also been demonstrated, with the contribution from in-sewer solids to the quality of the flow during a storm event being especially significant. These events known as “foul flushes” in combined sewers typically occur in the initial period of storm flows, when the concentration of suspended sediments and other pollutants are significantly higher than at other times. Tr

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19

Crabtree, R., H. Garsdal, R. Gent, O. Mark, and J. Dórge. "MOUSETRAP — A DETERMINISTIC SEWER FLOW QUALITY MODEL." Water Science and Technology 30, no. 1 (July 1, 1994): 107–15. http://dx.doi.org/10.2166/wst.1994.0011.

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Recent research into the behaviour of sediments and associated pollutants in sewers has formed the foundation for a dynamic pollutograph-based sewer flow quality simulation model called MOUSETRAP. This is a new component to the MOUSE sewer system hydraulic modelling package. MOUSETRAP has been developed by an international consortium of sewer model developers and users to predict short term variations in sewer flow quality and sediment transport in response to storm events. MOUSETRAP is composed of a series of modules to represent: the quality of surface run off; sediment and pollutant transpo

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20

Tang, Yangbo, David Z. Zhu, and Bert van Duin. "Erosion on Cohesive Deposition in Storm Sewers." Journal of Environmental Engineering 146, no. 12 (December 2020): 04020136. http://dx.doi.org/10.1061/(asce)ee.1943-7870.0001824.

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21

Nienhuis, Jaap, Cornelis de Haan, Jeroen Langeveld, Martijn Klootwijk, and François Clemens. "Assessment of detection limits of fiber-optic distributed temperature sensing for detection of illicit connections." Water Science and Technology 67, no. 12 (June 1, 2013): 2712–18. http://dx.doi.org/10.2166/wst.2013.176.

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Distributed temperature sensing (DTS) with fiber-optic cables is a powerful tool to detect illicit connections in storm sewer systems. High-frequency temperature measurements along the in-sewer cable create a detailed representation of temperature anomalies due to illicit discharges. The detection limits of the monitoring equipment itself are well-known, but there is little information available on detection limits for the discovery of illicit connections, as in mixing of sewers, and attenuation also plays an important role. This paper describes the results of full-scale experiments aiming to

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22

Villeneuve, Jean-Pierre, Eric Gaume, and France Michaud. "Efficiency evaluation of an installed swirl separator." Canadian Journal of Civil Engineering 21, no. 6 (December 1, 1994): 924–30. http://dx.doi.org/10.1139/l94-098.

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Municipalities try to limit overflow of their sewer systems by various technologies such as storage in basins and transfer of the water after the storm to a treatment facility, storage and decantation, on-line treatment of overflows, or by alternative technologies like porous roadways or runoff infiltration. The swirl separator, proposed by the American Public Work Association, is an attractive device, because it requires little supervision and maintenance. However, only few results exist about its efficiency for treating combined sewer overflow. The purpose of the present field study was to d

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23

Li, James, Robert Orland, and Tom Hogenbirk. "Environmental road and lot drainage designs: alternatives to the curb-gutter-sewer system." Canadian Journal of Civil Engineering 25, no. 1 (January 1, 1998): 26–39. http://dx.doi.org/10.1139/l97-044.

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Traditionally, road and lot drainage systems have been designed to convey storm runoff away as quickly as possible to reduce localized ponding. This drainage concept, using curb-gutter-sewer systems, has led to downstream flooding, erosion, water-quality degradation, reduced groundwater recharge and stream baseflow, and aquatic habitat destruction. This paper examines the pros and cons of curb-gutter-sewer systems and qualitatively compares various forms of open ditch - swale drainage alternatives with the conventional curb-gutter-sewer drainage system. These open ditch - swale drainage altern

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24

Lee, Jong Mun, Minji Park, Joong-Hyuk Min, Jinsun Kim, Jimin Lee, Heeseon Jang, and Eun Hye Na. "Evaluation of SWMM-LID Modeling Applicability Considering Regional Characteristics for Optimal Management of Non-Point Pollutant Sources." Sustainability 14, no. 21 (November 7, 2022): 14662. http://dx.doi.org/10.3390/su142114662.

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Urbanization and climate change have deteriorated the runoff water circulation and quality in urban areas worldwide. Consequently, low-impact development (LID) and green infrastructure (GI) techniques have been applied to manage impermeable land and non-point source pollutants. Herein, the impacts of urban characteristics, sewer system type, and precipitation intensity on surface runoff were analyzed using the Storm Water Management Model (SWMM) to derive an effective water circulation strategy for urban and complex areas through the optimal allocation of LID/GI strategies. The runoff rates we

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25

Raza, Usman, and Abdul Salam. "Wireless Underground Communications in Sewer and Stormwater Overflow Monitoring: Radio Waves through Soil and Asphalt Medium." Information 11, no. 2 (February 11, 2020): 98. http://dx.doi.org/10.3390/info11020098.

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Storm drains and sanitary sewers are prone to backups and overflows due to extra amount wastewater entering the pipes. To prevent that, it is imperative to efficiently monitor the urban underground infrastructure. The combination of sensors system and wireless underground communication system can be used to realize urban underground IoT applications, e.g., storm water and wastewater overflow monitoring systems. The aim of this article is to establish a feasibility of the use of wireless underground communications techniques, and wave propagation through the subsurface soil and asphalt layers,

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26

Mustapha, Tajudeen Dele, and Patric Kelechi Nwaokwa. "An Evaluation of the Central Sewage System (CSS) Problem in Abuja." Shodh Sari-An International Multidisciplinary Journal 02, no. 04 (October 5, 2023): 248–72. http://dx.doi.org/10.59231/sari7638.

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The Abuja Central Sewage System (CSS) is an essential facility in the capital city. The CSS efficiency must not be compromised due to the enormous effects of sewage malfunction on the environment and its inhabitants. This research aims to study the problem of the Abuja Central Sewage System (CSS) problem, identify related issues, and provide alternative solutions. To achieve this goal, field research was undertaken in Phase 1 of the Federal Capital City (Abuja), with a questionnaire randomly administered to two hundred respondents in five (5) districts. The survey questionnaire was given to on

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27

Tang, Yangbo, David Z. Zhu, N. Rajaratnam, and Bert van Duin. "Experimental study of hydraulics and sediment capture efficiency in catchbasins." Water Science and Technology 74, no. 11 (September 22, 2016): 2717–26. http://dx.doi.org/10.2166/wst.2016.448.

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Catchbasins (also known as gully pot in the UK and Australia) are used to receive surface runoff and drain the stormwater into storm sewers. The recent interest in catchbasins is to improve their effectiveness in removing sediments in stormwater. An experimental study was conducted to examine the hydraulic features and sediment capture efficiency in catchbasins, with and without a bottom sump. A sump basin is found to increase the sediment capture efficiency significantly. The effect of inlet control devices, which are commonly used to control the amount of flow into the downstream storm sewer

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28

Volschan, Isaac. "The challenge of dry-weather sewage intakes as a sustainable strategy to develop urban sanitation in the tropics." Water Practice and Technology 15, no. 1 (December 23, 2019): 38–47. http://dx.doi.org/10.2166/wpt.2019.084.

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Abstract Informal housing, and operational and management deficiencies, influence sewerage system performance in Brazil. Inadequate sewage volumes in storm sewers lead to fecal contamination and affect recreational water environments. As overflow structures, dry-weather sewage intakes (DWSIs) are used to intercept and transfer sewage from storm- to sewage- sewers. For cities without public services, the DWSI strategy has been suggested as an option to enable easier and more rapid responses in terms of sewage pollution control. The strategy may also lead to gradual construction of a separate se

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29

Seco, I., M. Gómez Valentín, A. Schellart, and S. Tait. "Erosion resistance and behaviour of highly organic in-sewer sediment." Water Science and Technology 69, no. 3 (November 26, 2013): 672–79. http://dx.doi.org/10.2166/wst.2013.761.

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Reliable prediction of time-varying pollutant loads in combined sewer systems during storm periods can aid better management of the release of pollution into natural environments as well as enhancing storage tank design. Better understanding of the behaviour of sewer sediments is crucial for the development of models that adequately describe the transport of in-sewer solids and accurately predict the changes in pollutant concentration within combined sewers during storm events. This paper reports on the results of a test programme to examine the erosion of highly organic sewer sediment under t

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30

Panasiuk, Oleksandr, Annelie Hedström, Jeroen Langeveld, Cornelis de Haan, Erik Liefting, Remy Schilperoort, and Maria Viklander. "Using Distributed Temperature Sensing (DTS) for Locating and Characterising Infiltration and Inflow into Foul Sewers before, during and after Snowmelt Period." Water 11, no. 8 (July 24, 2019): 1529. http://dx.doi.org/10.3390/w11081529.

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Infiltration and inflow (I/I) into sewers cause negative effects on the sewer system, wastewater treatment plant and environment. Identifying the causes and locating the inflows is necessary in order to address the I/I problem. This paper focuses on using distributed temperature sensing (DTS) for identifying, locating and characterising I/I into a sewer system during the end of winter–beginning of summer transition period under dry and wet weather conditions. During snowmelt, several locations with I/I were identified, while these locations did not show I/I during storm events after the snowme

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31

Leo, Steve. "Strategic Asset Management Planning for Separate Storm Sewers." Proceedings of the Water Environment Federation 2010, no. 1 (January 1, 2010): 176–200. http://dx.doi.org/10.2175/193864710798286984.

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32

Fuamba, Musandji. "Contribution on transient flow modelling in storm sewers." Journal of Hydraulic Research 40, no. 6 (November 2002): 685–93. http://dx.doi.org/10.1080/00221680209499915.

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Akan, A. Osman. "Risk Model for Storm Sewers with Submerged Outlets." Journal of Environmental Engineering 113, no. 6 (December 1987): 1376–84. http://dx.doi.org/10.1061/(asce)0733-9372(1987)113:6(1376).

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Kanso, A., G. Chebbo, and B. Tassin. "Stormwater quality modelling in combined sewers: calibration and uncertainty analysis." Water Science and Technology 52, no. 3 (August 1, 2005): 63–71. http://dx.doi.org/10.2166/wst.2005.0062.

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Estimating the level of uncertainty in urban stormwater quality models is vital for their utilization. This paper presents the results of application of a Monte Carlo Markov Chain method based on the Bayesian theory for the calibration and uncertainty analysis of a storm water quality model commonly used in available software. The tested model uses a hydrologic/hydrodynamic scheme to estimate the accumulation, the erosion and the transport of pollutants on surfaces and in sewers. It was calibrated for four different initial conditions of in-sewer deposits. Calibration results showed large vari

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35

Hussein, A. O., Shamsuddin Shahid, K. N. Basim, and Shreeshivadasan Chelliapan. "Modelling Stormwater Quality of an Arid Urban Catchment." Applied Mechanics and Materials 735 (February 2015): 215–19. http://dx.doi.org/10.4028/www.scientific.net/amm.735.215.

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Understanding quality of stormwater is important for effective urban rainwater treatment planning and management. In this study, the quality of stormwater runoff from an arid urban residential catchment located in the Karbala city of Iraq, draining through stormwater sewers was investigated. The Storm Water Management Model (SWMM) was used to estimate the concentrations of pollutants in stormwater and wastewater in the sewer networks. The results showed that the concentrations of the Biological Oxygen Demand (BOD5) and Total Suspended Solids (TSS) increased significantly after rain in the stud

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36

Gong, N., X. Ding, T. Denoeux, J. L. Bertrand-Krajewski, and M. Clément. "Stormnet: a connectionist model for dynamic management of wastewater treatment plants during storm events." Water Science and Technology 33, no. 1 (January 1, 1996): 247–56. http://dx.doi.org/10.2166/wst.1996.0024.

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Models for solid transport in sewers during storm events are increasingly used. An important application of these models is the management of treatment plants during storm events so as to improve the quality of receiving waters. However, a major difficulty that prevents more general use of these tools is their calibration, which requires field data, accurate information about catchments and sewers, and a specific methodology. For that reason, a connectionist model called STORMNET has been designed to reproduce and replace usual conceptual and deterministic models. This model requires fewer dat

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37

Stirrup, M., Z. Vitasovic, and E. Strand. "Real-Time Control of Combined Sewer Overflows in Hamilton-Wentworth Region." Water Quality Research Journal 32, no. 1 (February 1, 1997): 155–68. http://dx.doi.org/10.2166/wqrj.1997.011.

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Abstract The Regional Municipality of Hamilton-Wentworth operates and maintains a large combined sewer system in the Great Lakes basin. During dry weather and small storm events, two large interceptor sewers convey all sanitary and storm flows to the Woodward Avenue wastewater treatment plant. Larger rainfall events, specifically high intensity summer thunderstorms, generate flows which exceed the design capacity of the sanitary interceptors and result in combined sewer overflows to Hamilton Harbour and Cootes Paradise, which ultimately discharge to Lake Ontario. The Region is implementing a c

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38

Schaarup-Jensen, Kjeld, Thorkild Hvitved-Jacobsen, Bent Jütte, Bjarne Nielsen, and Tage Pedersen. "A Danish sewer research and monitoring station." Water Science and Technology 37, no. 1 (January 1, 1998): 197–204. http://dx.doi.org/10.2166/wst.1998.0048.

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A research and monitoring station has been established as a part of the intercepting sewer from Frejlev, a small town of 2000 inhabitants 7 km Southwest of Aalborg, Denmark. The purpose is to perform continuous high quality time series of flow as well as waste water and runoff water characteristics. Based on these future time series, research will be carried out in order to establish knowledge on dry weather characteristics, and rainfall-runoff relationships including the variability of relevant storm water pollutants. Furthermore, the measurements can form the basis of a better understanding

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39

Mailhot, Alain, Sophie Duchesne, Emmanuelle Musso, and Jean-Pierre Villeneuve. "Modélisation de l'évolution de l'état structural des réseaux d'égout : application à une municipalité du Québec." Canadian Journal of Civil Engineering 27, no. 1 (February 15, 2000): 65–72. http://dx.doi.org/10.1139/l99-054.

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Many sanitary and storm sewer networks are old and deteriorating rapidly. Water and sanitation managers are becoming more and more aware of the negative impact of poorly maintained sewer networks, especially since they are asked to comply with stricter environmental standards under already challenging budget constraints. The best way to improve the structural condition of a sewer network is to replace failed pipe sections. Planning replacement works necessitates knowledge of the present structural state of the network and of the evolution of this state in the near future. Towards this goal, a

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40

Knolmar, Marcell, Tamas Karches, and Nikolett Balogh. "COMPUTATIONAL FLUID DYNAMICS DISCRETE PHASE MODELLING IN STORM SEWERS." Environmental Engineering and Management Journal 19, no. 4 (2020): 557–63. http://dx.doi.org/10.30638/eemj.2020.053.

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41

Almedeij, Jaber, and Nora Almohsen. "Remarks on Camp’s Criterion for Self-Cleansing Storm Sewers." Journal of Irrigation and Drainage Engineering 136, no. 2 (February 2010): 145–48. http://dx.doi.org/10.1061/(asce)ir.1943-4774.0000129.

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42

Kichev, Dmitrij, Anna Matveeva, and Mihail Kichev. "On the Issue of the Ecological State of Storm Wastewater in an Urbanized Territory." Natural Systems and Resources, no. 4 (March 2021): 5–11. http://dx.doi.org/10.15688/nsr.jvolsu.2020.4.1.

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The article raises the issue of the ecological state of storm wastewater, their technical condition. The issues of assessing the functioning of storm sewers are included in the list of municipal environmental control, which is carried out by the executive authorities in the field of ecology and nature management. The research paper outlines the key problems associated with underfunding of the current work to ensure the efficient operation of storm water. The main categories in the system “treatment facilities – storm drains – collectors” are considered. The traditional stormwater runoff system

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43

Staufer, P., and J. Pinnekamp. "In situ measurements of shear stresses of a flushing wave in a circular sewer using ultrasound." Water Science and Technology 57, no. 9 (May 1, 2008): 1363–68. http://dx.doi.org/10.2166/wst.2008.300.

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Deposits build up in sewer networks during both spells of dry weather and in connection with storm water events. In order to reduce the negative effects of deposit on the environment, different cleaning technologies and strategies are applied to remove the deposits. Jet cleaning represents the most widely used method to clean sewers. Another alternative cleaning procedure is flushing. On account of new developments in measurement and control panels, the flushing method is becoming more important. Therefore, in the last few years a number of new flushing devices have been constructed for applic

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44

Julínek, Tomáš, and Jaromír Říha. "Assessing stream water quality influenced by storm overflows from sewers." Pollack Periodica 12, no. 2 (August 2017): 117–28. http://dx.doi.org/10.1556/606.2017.12.2.10.

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45

Gong, Ning, Thierry Denoeux, and Jean-Luc Bertrand-Krajewski. "Neural networks for solid transport modelling in sewer systems during storm events." Water Science and Technology 33, no. 9 (April 1, 1996): 85–92. http://dx.doi.org/10.2166/wst.1996.0183.

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Models for solid transport in sewers during storm events are increasingly used by engineers and operators to improve their systems and the quality of receiving waters. However, a major difficulty that prevents more general use of these models is their calibration, which requires field data, accurate information about catchments and sewers, and a specific methodology. Therefore, research has been carried out to assess the ability of connectionist models to reproduce and replace usual models for use by an operator. Such models require fewer data, are self-calibrated, and very easy to use. The fi

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46

Sawaki, Shimpei, Yuzo Tsuchiya, Takashi Yamauchi, and Yuki Takenaka. "Experimental study on the sound of water flowing through a storm drain." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 268, no. 2 (November 30, 2023): 6477–87. http://dx.doi.org/10.3397/in_2023_0954.

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In buildings where storm drains are installed indoors, the sound of running water radiated from the surface of storm drains during rainfall may raise the noise level in rooms near the drain. To take appropriate measures against such sound according to the required quietness for the room, quantitative data on the sound of running water from storm drains is necessary, but few studies have dealt with this kind of sound. Therefore, the authors conducted experiments in an existing building, a drainage test tower, and a reverberation room to understand the characteristics of the sound produced by st

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47

Mikos, Éva. "Alligators in the Sewers." Ethnographica et Folkloristica Carpathica, no. 24 (September 5, 2022): 7–29. http://dx.doi.org/10.47516/ethnographica/24/2022/10928.

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The aim of the present study is to provide an overall picture of the nature of urban folklore using the “Alligators in the Sewers” urban legend type circulated in both the Hungarian and international press and by word of mouth. While contemporary legends have attracted only sporadic attention in Hungarian research to date, by illustrating the historical development of this legend type the aim of the present case study is to demonstrate how the phenomenon has existed in the Hungarian press for almost 200 years. The present study attempts to identify the kind of opportunities for interpret

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48

Liu, Cuiyun, Wu Che, and Ben Tan. "Determination of the Interception Volume of Storm Water Based on the Contaminants Transport in Storm Sewers." CLEAN - Soil, Air, Water 43, no. 11 (October 26, 2015): 1495–500. http://dx.doi.org/10.1002/clen.201300319.

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49

Trajkovic, B., M. Ivetic, F. Calomino, and A. D'Ippolito. "Investigation of transition from free surface to pressurized flow in a circular pipe." Water Science and Technology 39, no. 9 (May 1, 1999): 105–12. http://dx.doi.org/10.2166/wst.1999.0453.

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This paper deals with a phenomenon often occurring in sewers during storm events - transition from free surface to pressurized flow and vice versa. This transition is also possible in sewers where the discharge is controlled by some control devices, like gates. Experiments were carried out at a test rig consisting of a circular pipe with gates at the upstream and the downstream ends. Because of the relatively steep slope of the pipe and upstream boundary condition (flow below the gate), free surface flow at the upstream end was always supercritical, so that a hydraulic jump was always present

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50

Law, T. C., and Ian D. Moore. "Response of Repaired Sewers Under Earthloads." Transportation Research Record: Journal of the Transportation Research Board 1845, no. 1 (January 2003): 173–81. http://dx.doi.org/10.3141/1845-19.

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The trenchless rehabilitation of damaged rigid sewers has become a competitive alternative to conventional methods of pipeline replacement. However, buckling caused by fluid load is identified as the important limit state in the current pipe-liner design standard, while the contribution of the damaged rigid host pipe in the assessment of resistance to earth loads as well as disturbance to the liner (e.g., vehicle loads) is neglected. Fullscale testing in the laboratory is used to investigate the soil–host and pipe–liner interaction. Two host-pipe–liner systems are examined. The first system in

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