ARSD 20:54:20:05. Protection of pipes

Protection requirements of pipes used in installing water conditioning and treatment equipment shall meet the following standards: (1) Pipes passing under or through walls shall be protected from breakage. Pipes passing through or under cinder or concrete or other corrosive material shall be protected against external corrosion by protective coating, wrapping, or other means which will prevent corrosion; (2) No structural member may be weakened or impaired by cutting, notching, or otherwise, except to the extent permitted by the administrative authority; (3) No water pipe may be installed or permitted outside of a building or in an exterior wall unless adequate provision is made to protect the pipe from freezing.