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ASME A112.21.2M

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ASME A112.21.2M 1983 Edition, January 1, 1983 Roof Drains

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Description / Abstract: Development of standards for roof drains including general purpose, gutter and cornice, parapet and promenade or deck types, which convey rainwater from the roof area of building structures.

This Standard covers:

(a) Definitions

(b) Nomenclature

(c) Outlet Types and Connections

(d) Top Size - Dome or Grate Free Area

(e) Materials and Finishes

(f) Accessories