Handrail anatomy - Handrail Anatomy (One example from many...

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Handrail Anatomy (One example from many acceptable solutions) (a) Boundary joist: Must be H3 treated. The boundary joist is fixed to the perimeter of the deck to give a neat finish and if the boundary joist is required to support the handrail, then it must be fixed to the joists using 2/M12x100mm coach screws with 50x50 washers and also with nail plates fixed to top and bottom of joists. (b) Baluster (handrail post): The baluster is fixed to the boundary joist using 2/M12 bolts with 50x50 washers. The bolts should be 25mm from top and bottom of the boundary joist. The size of the baluster depends on the handrail structure and the baluster spacing. For example, if the top rail is 150x50 as shown in the diagram above and the balusters are 2000mm apart, then the balusters must be 100x100. If the balusters are 1800mm apart, then the baluster can be 100x75. (c) Top rail: The height from the deck to the top of top rail must be at least 1000mm. The top rail is fixed to the balusters with 100mm galvanised nails. (minimum of 2 nails for baluster
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Handrail anatomy - Handrail Anatomy (One example from many...

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