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Carpentary roofing advice - will this be strong enough ?

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  1. #1
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    Thumbs up Carpentary roofing advice - will this be strong enough ?

    Gday,

    Myself and a few mates looking to bang together a basic structure on a rural holiday property, basically to allow people to sit around in and shoot some darts if the weather is a bit foul around the fire pit.

    I had a friend draw up the plans but as he is not a qualified builder/carpenter i was hoping to get some advice on the likelihood of the structure for the roof framing.

    The plan is drawn with rafters which are held together across the span with a collar tie. Ideally we want to avoid having to use full trusses for the roof frame as we were going to keep the roof open and the look of trusses is a bit of an eye-saw. Question should this be ok for 5m span if the roof is just colorbond and does not have any extra weight atop? Dont mind too much if we need to increase the pitch of the roof. Happy to hear "yes structurally it should be fine, but it does fall outside min requirements for official building sign off"

    Appreciate the advice.

    M

    plan1.jpg
    plan2.jpg

  2. #2
    BIM
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    That will require DA and BA Council approvals
    I would make the collar ties the same size as the rafter
    You will also require Wind loading ties and shear walls if the shed location is not shielded?
    hth

  3. #3
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    Ditch the collar ties and have your mate redraw it using a scissored truss and see if you prefer the look.
    If the property is big enough it would probably be considered a farm shed
    A steel shed might be cheaper tho.
    "A big boy did it and ran away"

    Legal disclaimer denying responsibility to be inserted here.

  4. #4
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    Ok thanks BIM & Dog,

    The "cabin" is actually replacing a wooden/tin farm shed that is falling down, and keeping the same roof foot print, hence thinking we might get away without it needing to be DA/BA - building was here all along type thing. It wont be for FT inhabitance for people other than the odd party room however I suspect the council would still class it as such a building and the additional fire cladding / building requirements would make it cost prohibitive.

    Will some details added for the sheer walls, and investigate if the scissor trusts could be the way forward as they a little less offensive without the lower rafter tie.

    Cheers, M

  5. #5
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    Call it a "Repair" and you are sweet usually.
    "A big boy did it and ran away"

    Legal disclaimer denying responsibility to be inserted here.

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