Thread: Structural tables for taller walls??

The standard tables only go to 2700mm.
I have been thinking of building an "Exempt structure" ie: a Sleepout in the back yard and i am keen on the idea of maximising the use of the ground area.
Local council say that irrespective of the ground area rule/exemption I need a permit to build two story but there are no restrictions on having a mezzanine bed.

This being the case I have been thinking of taller walls but I cannot find any tables for the timber sizes needed to go to the height I want and for the steep roof pitch needed to make a mezzanine bed platform work best.

Totally off top of my head i was thinking that the walls need to be about 3200 high with the bed platform sitting 2550 above the floor and I am assuming 140mm timbers as the mezzanine beams but if I can use 90mm even better.

Exempt building is still 10m<2 so any combination of L*W to give that, my first thought was 3500 X 2855 and that has to be external.

90*45 is available locally to 3600 easily, can I use this timber size to that height ? noggined at 1350mm centres of course.
Total novice sort of question but those are probably the easiest to answer, I hope!

try the hyne program, it used to be free.
regards inter

You can use 90x35 or 90x45 for the 3200 height. Timber Solutions told me this, but I made a few assumptions re roof type and rafter spacing etc). Load it! (If you are running Windows 7, Run as Administrator)

The Hyne Design Program is free but requires registration. I use this if I'm looking at LVL and it included some other varieties of engineered lumber.

I just downloaded the Hyne program and I'll play with it until the 30 day free trial period runs out

it's free beyond that but you just need to register. for many things Timber Solutions is quicker i reckon

Double check with your council, exempt structures normally have a cap of 2700 height on them.

Bit late for that on my woodshed then, which is 3000 on the boundary.

But thanx for the warning; I'll make the enquiry again

I now have an image of Moondog's backyard - it has 3mx3mx? obelisks littered all over it

I thought you would be able to see them from your place

Or from the Moon(dog)

What/? may I ask is wrong with obelisks?/
They were good enough for *******************************************( insert favourite emperor/dictator/ despot/king/presideent in this space )