13.04.090 – Sanitary Protection.
- On installations which operate with the use of water directly from the public supply system, every direct connection shall be equipped with a suitable brass-body, brass fitted check valve.
- Discharge connections for the disposal of wastewaters shall be in strict accordance with regulations.
- Cooling waters which are to be reused for other purposes shall be provided with free, above the rim discharge, before entering other equipment; otherwise, permission shall be obtained in writing from the building official the proposed connection and use.
- On installations other than those described above, there shall be a physical break between the public water supply piping and the piping of the installation, so arranged as to make impossible back siphonage to the public water system.
(Prior code: § 15.404)
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