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  1. 23rd January 2015, 08:44 AM #1
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    Glenn.Visca
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    Default Pergola span table check

    Hi guys,

    Wondering if someone can validate span tables for me.

    I am planning a pergola 5.5m wide, 9.4m long, gable roof, ridge running along the 9.4m axis.

    Wind rating to n3 I think (Melbourne suburbs a few klms from the bay).

    Planning 190x45 mgp10 treated pine ridge beam. Can someone check span tables ?

    Also 190x45 beams between posts.

    Perhaps 90x45 rafters at 900centres.

    Support appreciated.

    Glenn
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  3. 23rd January 2015, 10:43 AM #2
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    Default Pergola span table check

    are you having iron roof, plastic, shade clothe?

    A sketch of what you are doing including bracing might be good, even a photo of a free hand sketch would help. Will the ridge be supported by anything other than rafters?


    Dave the turning cowboy

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  4. 23rd January 2015, 11:19 AM #3
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    Hi Dave. A polycarb roof.

    Ridge supported by rafters. Wip drawing attached with following notes.

    Posts at each end of gable will be centred (just moved them out of way while I draw some other bits.

    Bottom chords will run side to side at approx 3m spacing.

    All Rafters braced with collar ties.

    Glenn Visca
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  5. 23rd January 2015, 12:00 PM #4
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    Glenn,

    If no one else gets to you sooner I will try and have a look at the span tables later tonight after 'work', in the middle of prepping for a forum get together over the next few days


    Dave the turning cowboy

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  6. 23rd January 2015, 12:04 PM #5
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    Cheers Dave !
    Glenn Visca
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  7. 23rd January 2015, 12:22 PM #6
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    Just remembered I got my club meeting tonight. Maybe latish by the time I get to open the books and tables


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