Document ID: chunk:federal_register_of_legislation:F2019C00887:reg:3
Version: federal_register_of_legislation:F2019C00887
Segment Type: reg
Provision Reference: reg 3
Character Range: 99097–101050

3     >1.8 m and <2.3 m                  proportionately between 2 and 3 minutes

       (2)For subclause (1), the volume of air in an enclosed space includes all space enclosed by the vessel's side plating, bulkheads, tank top or decks, but does not include the volume of any airtight tanks or trunks within the space.

2.2 Ventilation in a space that is not enclosed — vessels constructed after commencement of Order
       A vessel constructed or converted for the carriage of livestock after 1 July 2018 that has a livestock space that is not enclosed, must have a mechanical ventilation system that can change the total volume of air in the space in accordance with Table 2.1.

2.3 Ventilation in a space that is not enclosed — vessels constructed before commencement of Order
       (1)A vessel constructed, or converted, for the carriage of livestock before 1 July 2018 must have a mechanical ventilation system in any livestock space that is either partially enclosed or not enclosed if:
(a) the space has an arrangement of pens with a breadth of more than 20 m; or
(b) the natural ventilation is restricted.
       (2)If a vessel has an arrangement of pens with a breadth of less than 20 m and has a mechanical ventilation system, the system must comply with this clause.
       (3)For a vessel constructed or converted for the carriage of livestock after 26 May 2004, the mechanical ventilation system mentioned in subclause (1) must be able to change the total volume of air in the space in accordance with Table 2.1.
       (4)For a vessel constructed or converted for the carriage of livestock before 27 May 2004, the mechanical ventilation system mentioned in subclause (1) must be able to change the total volume of air in the space in accordance with Table 2.2.

Table 2.2 — Older vessels —capacity ventilation systems in some non-enclosed spaces
Item  Minimum clear height of the space  Time within which complete air change must occur