FEATURES INSIDE THIS ISSUE
Volume 39, Number 3, March 2011
Top ICC-PMG Initiatives for 2011 International Code Council’s Plumbing, Mechanical
and Fuel Gas (PMG) Group has been consistently engaged in development activities with new partners, projects, products and services.
Story on page 34
Trends in Backflow Prevention Businesses in backflow prevention and construction
are reacting to the shift in the economic realities of the last few years.
Story on page 38
IAPMO’s Newest Green Growth Spurt The newest growth spurt has begun to show itself in the
foreword of the GPMCS under the Green Technical Committee (GTC) task group titled “Pipe Sizing Task Group.”
Story on page 42
Drainback Solar Hot Water Collection Discussions on innovations are widely and success-
fully used by licensed design installers who prefer the service-friendly qualities that drainback systems tend to offer.
Story on page 46
New Hampshire Retirement Facility Goes Geo Geothermal think tank takes on extraordinary job. Story on page 52
COLUMNS 6
16 18 22 26 30
• Top ICC-PMG Initiatives for 2011 • IAPMO’s Newest Green Growth Spurt — Pipe Sizing • Trends in Backflow Prevention • Drainback Solar Hot Water Collection Innovations • Geothermal Think Tank Takes on an Extraordinary Job
INDUSTRY NEWS & OTHER DEPARTMENTS
8 | ASPE joins Plumbing Efficiency Research Coalition (PERC)
8 | IAPMO Backflow Prevention Institute announces expansion
8 | ICC, NACTM agreement to make tribal land construction safer, more sustainable
8 | NFPA adds $4 million to endowment for Fire Protection Research Foundation
10 | Former Bell & Gossett Little Red Schoolhouse instructor passes
11 |U.S. to celebrate World Standards Day 2011
12 | Water market heating up for engineering firms
Editor’s Letter: Knowledge is power Designer’s Guide: Actual flow rates? HELP!
Code Classroom: Legionellae vs. scalding in hot water systems Solar Solutions: A solar combisystem home retrofit FPE Corner: Developing the next edition of NFPA 13 Heating Help: Redflash
Page 4/Plumbing Engineer
14 | INDUSTRY MOVERS 58 | THE BIM REPORT 60, 62 | NEW PRODUCTS 64 | CLASSIFIEDS 65 | AD INDEX 66 | PRODUCT APPLICATION
March 2011
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