940GOVERNMENT GAZETTE, WA 5 March 2021

940 GOVERNMENT GAZETTE, WA 5 March 2021 (c) the minimum ultimate strength of brickwork shall by 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 300mm 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 345mm x 345mm x 2 700mm centres bonded to the base wall; and (b) each pier shall be reinforced with two 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 practicing structural engineer as being suitable for wind loadings found in Region D Category 2 areas in accordance with the current edition of AS/NZS 1170.0:2002 Structural design actions—General principles. 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 minimum 50mm nominal bore x 3.5mm and with footings of a 225mm diameter x 900mm; (b) intermediate posts to be minimum 37mm nominal bore x 3.15mm at maximum 3.5m centres and with footings of a 225mm diameter x 600mm; (c) struts to be minimum 30mm nominal bore x 3.15mm fitted at each gate and 2 at each corner post and with footings 225mm x 600mm; (d) cables to be affixed to the top, centre and bottom of all posts and to consist of 2 or more 3.15mm wires twisted together or single 4mm wire; (e) non-rail link, chain or steel mesh is to be to a height of 2000mm on top of which are to be 3 strands of barbed wire carrying the fence to a height of 2400mm in accordance with the requirements and standards of the local planning schemes; and (f) galvanised link mesh wire to be 2 000mm in height and constructed of 50mm mesh 2.5mm galvanised iron wire and to be strained, neatly secured and laced to the posts and affixed to cables. Vehicle entry gates shall provide an opening of not less than 3.6m and shall be constructed of 25mm tubular framework with 1 horizontal and 1 vertical stay constructed of 20mm piping and shall be covered with 50mm x 2.5mm galvanised link mesh strained to framework. Gates shall be fixed with a drop bolt and locking attachment. Other fences (a) a fence of cement sheet or steel sheeting constructed to the minimum specifications referred to in Schedule 2; (b) a fence constructed of aluminium sheeting when supported on posts and rails provided that it is used behind a building line and is of a minimum height of 1 800mm but no greater than 2 400mm; or (c) a fence of timber, brick, stone or concrete constructed to the minimum specifications referred to in Schedule 2. ————