The Working Group responsible for revising ASPE/ANSI 45-2018: Siphonic Roof Drainage has completed its review of the standard, and the revision is available for public review.
The ASPE 45 system design standard applies to engineered siphonic roof drainage systems intended to prime and operate full bore through proper pipe dimensioning and the use of siphonic roof drains. It establishes minimum performance specifications for systems, provides guidelines for inspection and testing, and describes the basis for the design of siphonic roof drain systems. This standard does not apply to conventional roof drains covered under ANSI/ASTM A112.6.4: Roof Drains, atmospheric roof drainage systems, or sanitary drainage systems.
Comments on this revision are requested by Nov. 18. To obtain a copy of the standard and the comment form, contact Gretchen Pienta at [email protected]
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