6050GOVERNMENT GAZETTE, WA 22 December 2017

6050 GOVERNMENT GAZETTE, WA 22 December 2017 5.4.7 Removal of non-conforming structures or enclosures (1) If a structure or enclosure is used for the keeping of poultry or pigeons or doves contrary to the provision of clause 5.4.3 and 5.4.6, the local government may direct the owner or occupier to remove it. (2) An owner or occupier shall comply with a direction from the local government under this clause. 5.4.8 Restrictions on pigeons and swallows nesting or perching (1) The local government may order an owner or occupier of a residential, industrial or commercial property in or on which pigeons and swallows are, or are in the habit of, nesting or perching to take adequate steps to prevent them continuing to do so. (2) An owner or occupier shall comply with the local government order under this clause. Division 5—Car Parks 5.7.1 Interpretation car parks means premises, or part of premises, set aside for temporary parking or 3 or more vehicles; and occupier means a person having charge, management or control of a car park. 5.7.2 Ventilation (1) A person shall not use or occupy, or permit to be used or occupied, a car park unless it is ventilated by either— (a) natural ventilation; or (b) mechanical ventilation, in accordance with AS1688.2—2002 as amended from time to time. (2) If, in the opinion of the local government, a car park is not properly ventilated, the local government may by notice require the occupier within a specified time to— (a) provide a different or additional method of ventilation; and (b) cease using the car park until it is properly ventilated. (3) An occupier shall comply with a notice under subclause (2). 5.7.3 Exhaust air discharge points and exhaust registers An owner or occupier shall ensure that— (a) all exhaust air that is discharged from a car park shall be discharged (i) at discharge points (A) in accordance with AS1688.2—2002 as amended from time to time; and (B) located so that the hourly average exhaust flow rate is not reduced below the minimum requirements of AS1688.2—2002 as amended from time to time. (ii) at a velocity and in a direction so as not to be a danger to health or a nuisance. (b) exhaust registers are located as far as possible from the source of supply air; (c) in the case of a car park having a floor level below that of the external ground level, at least 50% of the required air is drawn into exhaust registers having their bottom edge located within 100 millimetres of the floor level; and (d) any mechanical ventilation is— (i) maintained in good working condition; and (ii) in operation at all times when the car park is in use.