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Title: Development of smart floor traps for enhanced seal protection
Authors: Chan, DWT
Liu, TC
Wong, ESW
Keywords: Floor traps
test rig
Issue Date: 2008
Source: CIB W062 International Conference on Water Supply and Drainage for Buildings, Hong Kong, 8-10 September 2008 How to cite?
Abstract: SARS outbreak in 2003 has imposed a threat on a communicable infection which human body has little or no immunity. However, it has triggered an intensive research on how it spreads within the building space. The report by an investigation delegate from World Health Organization on the plague occurred in Amoy Garden concluded that the SARS virus transmitted via the re-entrants and drainage stacks of the residential buildings. Since then, it has become a common sense for citizens that traps and floor drains in drainage systems should be kept filled up by water all the time. Floor traps in the bathrooms and kitchens are short falls in keeping them filled up because people now only mop floors for cleaning rather than wet it. More often, floor traps are left dry when the occupants take a week long vacation. It reduces the risk of contaminated air flow from drainage stacks into indoor spaces if the floor drains can hold water for a longer drying period without increasing the currently adopted size of the drain in practice. This paper describes a new design of floor traps which increases the drying period. This paper also describes the design of a test rig which facilitates the test of floor traps for its drying up performance.
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