New product standards from ANSI accredited for siphonic roof drains

John Rattenbury, PE, of Rainwater Management Solutions Engineering, was project team leader for the American National Standards Institute (ANSI) siphonic roof drain product standard A112.6.9 "Siphonic Roof Drains"...

SALEM, VA, Sept. 21, 2005 -- On July 8th, the American National Standards Institute (ANSI) accredited a siphonic roof drain product standard, designated ANSI/ASME A112.6.9 "Siphonic Roof Drains". This standard was developed by a team of industry experts led by Project Team Leader John Rattenbury, PE of Rainwater Management Solutions (RMS) Engineering of Salem, Virginia. Rattenbury has been the Project Team Leader for the ASME A112 Plumbing Fixtures and Equipment committee since 2002.

Rattenbury was also appointed by the American Society of Plumbing Engineers (ASPE) technical standards committee to write the standard on siphonic roof drainage system design. In conjunction with this, he is slated to give a seminar on this topic at the ASPE 2005 Technical Symposium in Chicago, Illinois on October 30th. Rattenbury's efforts relative to active design, standardization and education are intended to further advance siphonic drain technology as an open practice through engineered drain products and design by licensed engineers in the US.

Earlier this year, Rain Water System, Inc. of Virginia and Rattenbury Engineering, LLC, of Massachusetts merged to form Rainwater Management Solutions (RMS). John Rattenbury, a principal of RMS, was the first United States engineer to provide Siphonic Roof Drainage systems engineering design services. Among his notable achievements are the designs of Siphonic Roof Drainage Systems for the Boston Convention Center and for numerous IKEA stores.

Rainwater Management Solutions ( brings a common sense, cost effective and sustainable approach to addressing the escalating issue of water conservation and stormwater runoff through its rain water harvesting and storm water management services and solutions. The RMS expertise encompasses industries directly impacted by water management issues, including commercial, residential, institutional and agricultural.


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