80GOVERNMENT GAZETTE, WA 9 January 2018

80 GOVERNMENT GAZETTE, WA 9 January 2018 (5) Mechanical extraction shall be provided in a kitchen and the exhaust air shall be— (a) carried to the outside air as directly as practicable; and (b) boxed throughout, or (c) filtered by an approved recirculating filter device. PART 3—HOUSING AND GENERAL Division 1—Maintenance of Houses 19. Dwelling House Maintenance The owner or occupier of a dwelling house shall maintain the dwelling house and any appurtenant buildings in sound condition and fit for use and, in particular, shall— (a) maintain all roofs, guttering and downpipes in sound weatherproof condition; (b) maintain any footings, foundations and walls, either external or internal, in a sound condition; (c) replace any missing, broken, decayed or termite-eaten timber or other deteriorated material in any verandah, roof, walls, steps, handrails, floors or their supports with material of sound quality; (d) comply with the directions of an Environmental Health Officer to treat the premises for the purpose of destroying any termites; (e) maintain any brick, stone, mortar or cement work in a sound condition; (f) maintain, repair or replace any flashings or ant caps which are missing or defective; (g) maintain all ventilators in good order and repair; (h) maintain all floors even and level in surface and free from cracks and gaps; (i) maintain all ceilings, internal wall finishes, skirtings, architraves and other fixtures and fittings complete and with smooth unbroken surfaces; (j) maintain all doors and windows in good working order and weatherproof condition; (k) retain all natural lighting free from any obstruction which would reduce the natural lighting, below the ratio of 10% of the floor area; (l) maintain all pipes, fittings and fixtures connected with water supply, drainage or sewerage so that they comply in all respects with the provisions of the Metropolitan Water Supply, Sewerage and Drainage Act 1909 and any other legal requirements to which they are subject; and (m) maintain all electric wiring, gas services and fittings to comply in all respects with the requirements of the electricity and gas technical and safety legislation. 20. Guttering and Downpipes The owner of a house shall not use or occupy, or permit to be used or occupied, a house unless— (a) the house is provided with adequate guttering, downpipes and drains sufficient to receive without overflow all rain water flowing into them and for all rain water to be effectively disposed of to the satisfaction of the Manager Health and Compliance; (b) the guttering and downpipes are fixed to the eaves of every roof of the house so that all rain water flowing from the roof shall be received by such guttering and downpipes; (c) all downpipes from guttering are connected so as to discharge into drains, which shall empty into a soak well, or other suitable storm water scheme; (d) each soak well is located at least 1.8 metres from any building and at least 1.8 metres from the boundary of the block; and (e) any rain water from any downpipe is not discharged onto any unpaved surface of land within 1.5 metres of any house. 21. Maintenance of Guttering and Downpipes and Disposal of Rain Water The owner or occupier of a house shall— (a) maintain all guttering, downpipes and drains on the premises in a good state of repair, clean and free from obstruction; and (b) not permit any rain water from the premises to discharge onto or over a footpath, street or other property. Division 2—Ventilation of Houses 22. Exemption for Short Term Hostels This Division shall not apply to short term hostels referred to in Division 2 of Part 8. 23. Overcrowding The owner or occupier of a house shall not permit— (a) a room in the house that is not a habitable room to be used for sleeping purposes; or