**THIS IS A PDF VERSION -A Printed manual can be produced upon special request
ARCSA/ASPE/ANSI 63-2020 Rainwater Catchment Systems, Plumbing Engineering & Design Standard
This UPDATED Rainwater Catchment System 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.
