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Construction of a New Sanitary Sewer: "Wishing it Into Place"

Storer J. Boone, Dirka U. Prout, Dan Beadle, Kevin Brown, Jan Svihra

In the proceedings of: GeoRegina 2014: 67th Canadian Geotechnical Conference

Session: Instrumentation and Monitoring

ABSTRACT: This paper describes design and construction of a sewer through a historic urban district. The late 19th century brick buildings already exhibited damage from historic settlement, building modifications and weathering. During design, other subsurface risks led to abandonment of trenchless methods and underpinning or conventional excavation support systems also presented unacceptable risks to the tenants and building owners. Use of novel cut-and-cover excavation support systems, close communication and cooperation between the sewer owner, designer, construction manager, geotechnical consultant, and contractor combined with detailed monitoring resulted in successful construction where displacements of the historic structures were controlled exceptionally well and the sewer was virtually fiwished it into place" under difficult conditions.

RÉSUMÉ: Cet article décrit la conception et la construction d™un égout, à travers un quartier urbain historique. Les bâtiments en brique de la fin du 19ème siècle, démontraient déjà un endommagement en raison des tassements historiques, des modifications du bâtiment et de l™altération. D™autres risques souterrains ont mené à l™abandon de l™approche sans tranchée. La reprise en sous-œuvre ou les méthodes d™excavation conventionnelles présentaient également des risques inacceptables pour les locataires et les propriétaires. L™utilisation des systèmes de support novateurs de tranchées, la communication et la coopération entre le propriétaire d™égout, le concepteur, le gestionnaire de construction, le consultant géotechnique et l™entrepreneur, à l™aide d™un programme de surveillance détaillé, ont contribué au succès du projet. Ainsi, les déplacements des bâtiments voisins ont été contrôlés de façon exceptionnelle et l™égout a été virtuellement installé par simple souhait, sous des conditions difficiles.

Please include this code when submitting a data update: GEO2014_113

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Cite this article:
Storer J. Boone; Dirka U. Prout ; Dan Beadle; Kevin Brown; Jan Svihra (2014) Construction of a New Sanitary Sewer: "Wishing it Into Place" in GEO2014. Ottawa, Ontario: Canadian Geotechnical Society.

@article{GeoRegina14Paper113, author = Storer J. Boone; Dirka U. Prout ; Dan Beadle; Kevin Brown; Jan Svihra,
title = Construction of a New Sanitary Sewer: "Wishing it Into Place",
year = 2014
}