ASPE Plumbing Engineering & Design Standards Development
ARCSA/ASPE 63: Rainwater Catchment Systems
Second Public Review
This Rainwater Catchment Design and Installation Standard (hereinafter referred to as the Standard) has been developed by a joint effort of the American Rainwater Catchment Systems Association (ARCSA) and the American Society of Plumbing Engineers (ASPE), with sponsorship support from the International Association of Plumbing and Mechanical Officials (IAPMO) and NSF International. The purpose of this Standard is to assist engineers, designers, plumbers, builders/developers, local government, and end users in safely implementing a rainwater catchment system. This Standard is intended to apply to new rainwater catchment installations, as well as alterations, additions, maintenance, and repairs to existing installations.
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