Part 1 | Minimum Standards of Construction of Poultry Processing Premises 2.9 Non-potable Water
2.9.1 Non-potable water should be restricted to the following uses:
a) on ammonia condensers not connected with the potable water supply; and
b) in vapour lines serving inedible product rendering cookers.
2.9.2 Water derived from internal processing procedures should be used only in drains in the scalding and defeathering section to assist the  ow of feathers and ef uent from the scald tank and defeathering cabinets or other approved purposes. The point of discharge into the drain should be through a  xed metal outlet positioned not more than 150mm from the bottom of the drain for direct discharge into the drain.
2.10 Drainage
Three entirely separate drainage systems should be provided as follows:
a) Sanitary drainage
b) Processing or trade waste drainage
c) Storm water drainage
All drainage systems must comply with local authority requirements.
a) Sanitary Drainage
2.10.1 Lines from toilets and urinals should be directed to an adequate septic tank system or to the local sewerage system.
2.10.2 Sanitary drainage lines from toilet and urinals should not be connected with other drainage lines within the establishment and shall not discharge into save-alls.
2.10.3 The drainage system should be designed to eliminate any possibility of drainage backing up and  ooding the  oors of any processing area.
2.10.4 Septic tanks, if used, should be away from processing areas so as to prevent any nuisance.
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