6.3.1.5. Installation of the animal pen: Such rooms must be separate and isolated from the slaughtering room but adjoining it or communicating with it by a covered corridor, and must include:(a) a concrete floor with enough slope to allow running water to drain off into a drainage hole;
(b) walls, a ceiling and partitions;
(c) ventilation in order to exhaust odours from the room and to prevent them from reaching the slaughter room;
(d) stalls equipped with drinking facilities and feeding troughs;
(e) a special stall for animals suspected of disease;
(f) ramps and partitions installed so as to prevent falls and injuries to the animals.