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Vdes(serv.) = 28m/s Vdes(ult.) = 50m/s
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DESIGN DETAILS

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The length of span 1 measured from the centre of its outer support to the centre of the central support

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The length of span 2 measured from the centre of its outer support to the centre of the central support

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mm
degrees
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Please select your roof compostion here. Note that SpanMan automatically calculates the weight of roof battens and adds it to the roof weight. For details of weights refer to ABOUT > Technical.
Additional dead loads can also be added in the CRITERIA screen.

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Please select your ceiling compostion here. For details of weights refer to ABOUT > Technical
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Pick 'List all suitable timber and steel sections' to design across all timber and steel sections. Alternatively design in a specific timber or steel material type. Press DESIGN to obtain sizes.
design