ASPE Online Education
Defective Trap Seal
Earn Continuing Education Credits:
This one-hour contact program provides 0.1 CEU or 1.0 PDH.
Presented by: Steven White at the 2008 Convention
The possibility of cross-contamination and infection spread as a result of defective trap seals within complex building drainage networks has been fully identified as a result of the SARS outbreak in 2003. There is also potential for other pathogens such as Clostridium Difficile (C-diff), which killed over 10,000 people in England and Wales (UK) between 2001 and 2005. Most of these deaths occurred in hospitals by cross-infection. A person who is infected with C-diff will commonly have diarrhoea as a symptom. This excretes large numbers of spores in the liquid faeces. The spores contaminate toilet areas and into the drainage system and can live outside of the body between 70 and 90 days.
Trap seals are commonly used to provide a barrier between the drainage system and the living space. These seals can be affected by induced siphonage, self-siphonage, thermal depletion, and wind effect. Currently there is no active way to monitor the effectiveness throughout a building's life of the barrier provided by trap seals in the system. The defective trap seal identification system (DTSIS) is designed to be installed on new and existing drainage and vent systems to noninvasively and remotely identify defective traps within the system. Monitoring the system as a regular protocol through standard building management systems (BMS) will enable the facilities management the introduction of on-site design remedial action to prevent trap seal depletion on a regular basis, if required.
Steven White is technical manager for Studor Limited in the United Kingdom. Over the last seven years he has been responsible for developing new markets for the Studor System in the Middle East, Europe, and Asia and supporting the introduction of the Studor System into the USA. Mr. White was the project manager for the Studor P.A.P.A. and has worked closely with Heriot-Watt University in Edinburgh, UK, developing the product.
For two years he has been a member of the EPSRC and on the steering committee with members of the WPC and IAPMO for the Heriot-Watt University study into the "Transient identification of the location of defective water seal traps within building drainage and vent systems." Mr. White has been selected to head up a new venture to develop this new technology in the marketplace.
*This is the actual educational presentation as it was presented at the 2008 ASPE Convention in Long Beach, CA.
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