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Laboratory Planning and Design—A Case for Probability-Based
Analysis
John (Jay) P. Martin, PE, and Karl
Aveard, LEED™ Accredited, Syska Hennessy Group
Probability based analysis (PBA) has existed for hundreds of years.
It has been applied successfully to numerous scientific and engineering
applications, including the building design industry as applied
to general plumbing system design. Until now, the use of PBA has
never been considered for the design of laboratory piped utilities
or HVAC systems.
The premise of this presentation challenges current industry practices
for the sizing of piped utilities and HVAC systems. Contemporary
methods are resulting in the over-sizing of the facility infrastructure,
millions of first-cost dollars have been expended to install larger
than necessary chillers, cooling towers, air handlers, duct systems,
and to provide the space needed to accommodate them, not to mention
the long-term effects of the added expense of operating incorrectly
sized and inefficiently operating systems. The presenters will demonstrate
the flaws in current practices and introduce the use of probability
based analysis (PBA) to properly size systems and reduce construction
and operating costs.
Biographies:
John (Jay) P. Martin, PE, leads and manages the engineering
design of life sciences research projects. His work can be seen
at the Salk Institute, the University of California Los Angeles
and Riverside, the University of Cincinnati, and Auburn University.
Jay has more than 30 years of experience as a mechanical engineer,
and is the author of the section on General Ventilation and Control
in the latest edition of the Handbook of Chemical Health and
Safety, published by the American Chemical Society. Jay was
also the only mechanical engineer who served on a national committee
organized by the National Institute for Health (NIH) to set standards
for fume hood exhaust design in laboratories. The result of this
committee's work is the nationally recognized work, "Methodology
for Optimization of Laboratory Hood Containment." Jay is also
responsible for the development of Outcome PBATM—an innovative
approach to sizing HVAC and piped utility systems in research laboratories.
He authored the widely circulated white paper "Filling a Scientific
Void in Laboratory Planning and Design—A Case for Probability
Based Analysis," which details Outcome PBATM.
Karl G. Aveard is LEED™ Accredited
and a leader in the development of LEED™ architectural guidelines
for research laboratories (LEED-AGL). His 35 years of experience
includes authoring numerous articles for R&D Magazine
and the R&D Newsletter. Karl is currently co-authoring
the "Best Practice Guide for Laboratory Fume Hoods" for
Labs21. A longtime member of ASHRAE, Karl currently serves on the
SPC-110 committee which is rewriting ASHRAE-110-1995: A Method of
Testing Laboratory Fume Hoods.
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