1720GOVERNMENT GAZETTE, WA 22 March 2017

1720 GOVERNMENT GAZETTE, WA 22 March 2017 Residential lot [clause 2.1(2)(a)] Specifications for a sufficient fence on a residential lot where stated, is a sufficient fence on a residential lot. Height: 1800 millimetres except with respect to the front or rear setbacks; Minimum height: subject to requirements and standards of local planning scheme; (A) Timber fence A fully enclosed timber fence is to be built to manufacturer’s specifications or in accordance with established construction techniques. (B) Corrugated fence A fence constructed of corrugated fibre-reinforced pressed cement or steel-sheeting constructed to manufacturer’s specifications or which otherwise satisfies the following (a) length: minimum in-ground length of 25 percent of the total length of the sheet; depth: minimum in-ground depth of 600 millimetres; (b) total height and depth of fence to consist of a single continuous fibre-reinforced cement of steel sheet; (c) corrugated sheets to be lapped and capped with extruded “snap-fit” type capping in accordance with the manufacturer’s written instructions; and (d) height: 1800millimetres except with respect to the front setback; minimum height: subject to requirements and standards of local planning schemes. (C) Brick, stone or concrete fence A fence constructed of brick, stone or concrete which satisfies the following requirements and (a) a site classification is to be provided by a professional engineer in accordance with AS2870-1996 Residential slabs and footings—Construction; (b) the footing is to be designed in accordance with AS2870-1996 Residential slabs and footings—Construction; (c) fences to be offset at a minimum of 200 millimetres and at maximum 3000 millimetres centres; or 225 millimetres x 100 millimetres engaged piers to be provided at: maximum 3000 millimetres centres; (d) expansion joints in accordance with the manufacturer’s written instructions; and (e) height of the fence to be 1800 millimetres, except with respect to front, side and rear setback areas for which there is no minimum height but subject to requirements and standards of local planning scheme. (D) Composite fence A composite fence, which satisfies the following specifications for the brick construction— (a) a site classification is to be provided by a professional engineer in accordance with AS2870-1996 Residential slabs and footings—Construction; (b) the footing is to be designed in accordance with AS2870-1996 Residential slabs and footings—Construction; (c) height: maximum overall height of 1800 millimetres, except with respect to front, side and rear setback areas for which there is no minimum height but subject to requirements and standards of local planning scheme; (d) brick fence of height not exceeding 1200 millimetres shall have brick piers of minimum of 230 millimetres x 230 millimetres x 1800 millimetres centres; bonded to a maximum height base wall of 514 millimetres; or, brick fence of height exceeding 1200 millimetres shall have brick piers of minimum of 230 millimetres x 230 millimetres x 1800 millimetres centres; bonded to a maximum height base wall of 514 millimetres; (e) each pier shall be reinforced with, one R10 galvanised starting rod for 230 millimetres x 230 millimetres piers; and, two R10 galvanised starting rods for 345 millimetres x 345 millimetres x 345 millimetres piers, each rod being 1 500 millimetres high with a 250 millimetres horizontal leg bedded into the concrete footing; set 65 millimetres above the base of the footing and the top of the footing shall be one course (85 millimetres) below ground level; (f) cavity to brick piers to be filled with 20 MPa concrete; (g) minimum ultimate strength of brickwork shall be 20 MPa, mortar shall be a mix of 1 part cement, 1 part lime and 6 parts sand; (h) the ground under the footings is to be compacted to 7 blows per 300 millimetres and checked with a standard falling weight penetrometer; and (i) control joints in brick work shall be provided at piers at a maximum of 6-metre centres.