4202GOVERNMENT GAZETTE, WA 1 August 2017

4202 GOVERNMENT GAZETTE, WA 1 August 2017 3. Brick, stone or concrete fence A fence constructed of brick, stone or concrete, which satisfies the following requirements and specifications— (a) a site classification is to be provided by a suitably qualified engineer in accordance with AS 2870:2011 Residential slabs and footings as amended from time to time; (b) the footing is to be designed in accordance with AS 2870:2011 Residential slabs and footings as amended from time to time; (c) footings having a minimum of 225 millimetres x 150 millimetres concrete 15MPa or 300 millimetres x 175 millimetres brick laid in cement mortar; (d) fences to be offset a minimum of 200 millimetres at maximum 3 000 millimetres centres or 225 millimetres x 100 millimetres engaged piers to be provided at maximum 3 000 millimetres centres; (e) expansion joints in accordance with the manufacturer’s specifications; and (f) the height of the fence to be 1 800 millimetres except with respect to the front setback area for which there is no minimum height but which is subject to clause 2.2. 4. Composite fence A composite fence which satisfies the following specifications for the brick construction— (1) (a) brick piers shall have a minimum of 345 millimetres x 345 millimetres at 1 800 millimetres centres bonded to a minimum height base wall of 514 millimetres; (b) each brick pier shall be reinforced with one R10 galvanised starting rod 1 500 millimetres high with a 250 millimetres horizontal leg bedded into a 500 millimetres x 200 millimetres concrete footing and set 65 millimetres above the base of the footing. The top of the footing shall be 1 course (85 millimetres) below ground level; (c) the minimum ultimate strength of brickwork shall be 20MPa. Mortar shall be a mix of 1 part cement, 1 part lime and 6 parts sand; (d) the ground under the footings is to be compacted to 6 blows per 300 millimetres and checked with a standard falling weight penetrometer; and (e) control joints in brickwork shall be provided with double piers at a maximum of 6 metre centres; or (2) (a) brick piers of a minimum 345 millimetres x 345 millimetres x 2 700 millimetres centres bonded to the base wall; and (b) each pier shall be reinforced with 2 R10 galvanised starting rods as previously specified. ———— SPECIFICATIONS FOR A SUFFICIENT FENCE ON A COMMERCIAL LOT OR AN INDUSTRIAL LOT [clause 2.1(2)(b)] Each of the identified categories in this Schedule, with minimum and maximum specifications where stated, is a sufficient fence on a commercial lot or an industrial lot and the fence design being certified by a suitably qualified structural engineer as being suitable for wind loadings found in Region D Category 2 areas in accordance with the current edition of AS/NZS 1170:2011 as amended from time to time.

1. Galvanised or PVC fence and gate A fence constructed of galvanised or PVC coated non-rail link mesh, chain mesh or steel mesh which satisfies the following specifications— (a) corner posts to be a minimum of 50 millimetres nominal bore x 3.5 millimetres and with footings of a 225 millimetres diameter x 900 millimetres; (b) intermediate posts to be minimum 37 millimetres nominal bore x 3.15 millimetres at maximum 3.5 metre centres and with footings of a 225 millimetres diameter x 600 millimetres; (c) struts to be minimum 30 millimetres nominal bore x 3.15 millimetres fitted at each gate and 2 at each corner post and with footings 225 millimetres x 600 millimetres; (d) cables to be affixed to the top, centre and bottom of all posts and to consist of 2 or more 3.15 millimetres wires twisted together or single 4 millimetres wire; (e) non-rail link, chain or steel mesh is to be to a height of 2 000 millimetres on top of which are to be 3 strands of barbed wire carrying the fence to a height of 2 400 millimetres in accordance with the requirements and standards of the district planning schemes; and