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An innovative method for installing a separate sewer system in narrow streets

Abbas, A, Carnacina, I, Ruddock, F, Alkhaddar, R, Rothwell, G and Andoh, R (2019) An innovative method for installing a separate sewer system in narrow streets. Journal of Water Management Modeling, 27. ISSN 2292-6062

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Abstract

Separate sewer systems are currently used in all new developments and are prevalent in comparison with combined sewer systems, the use of which is limited due to numerous environmental regulations. However, the narrow streets common in the United Kingdom, Europe, and other densely populated countries are usually occupied by complex networks of infrastructure services; consequently, finding space to install a traditional separate sewer system is challenging. This paper presents an original design for separate sewer systems that overcomes this challenge by combining the advantages of separate and combined sewerage systems into one sewer network. The proposed system includes a novel design for the access chamber shape that allows storm flows and foul flows to pass through it without mixing and allows one trench to accommodate both pipelines. Applying this system in a case study showed a reduction in construction costs of approximately 10% and a 16% reduction in the footprint; moreover, the construction time was decreased by 44%, and the storage capacity and retention time were increased by 280% and 200%, respectively.

Item Type: Article
Uncontrolled Keywords: 0502 Environmental Science and Management, 0905 Civil Engineering, 0907 Environmental Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TD Environmental technology. Sanitary engineering
Divisions: Engineering
Publisher: CHI
Date Deposited: 07 Jun 2021 12:03
Last Modified: 07 Jun 2021 12:15
DOI or Identification number: 10.14796/JWMM.C467
URI: https://researchonline.ljmu.ac.uk/id/eprint/15113

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