18.104.22.168. Water drainage system: Every establishment of plant must be equipped with a rain water and waste water evacuation system. The said system must be designated on the separator plan.
The drainage system must be flushable, with manholes, flushing system, siphon trap sumps, protective gratings and solid matter interceptors.
The washing water conduits must be separate from the sanitary drains for lavatories, urinals and wash basins.
R.R.Q., 1981, c. P-29, r. 1, s. 22.214.171.124.