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Thread: Pergola span table check
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23rd January 2015, 08:44 AM #1
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.
GlennGlenn Visca
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23rd January 2015, 10:43 AM #2
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
turning wood into art
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23rd January 2015, 11:19 AM #3
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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23rd January 2015, 12:00 PM #4
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
turning wood into art
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23rd January 2015, 12:04 PM #5
Cheers Dave !
Glenn Visca
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23rd January 2015, 12:22 PM #6
Just remembered I got my club meeting tonight. Maybe latish by the time I get to open the books and tables
Dave the turning cowboy
turning wood into art
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