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13.04.090 – Sanitary Protection.

  1. 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.
  2. Discharge connections for the disposal of wastewaters shall be in strict accordance with regulations.
  3. 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.
  4. 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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