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Results 16 to 26 of 26
Thread: Staircase problem and BCA
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21st March 2008, 12:26 PM #16
Senior Member
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I think I understand all that.
Would I be correct in saying that "Risers must be between 190mm-115mm" means from tread to tread must fall into these measurements?
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21st March 2008, 04:09 PM #17
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21st March 2008, 04:49 PM #18
Hammer Head
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You can slope the tread so that the riser height is at max.
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21st March 2008, 08:31 PM #19
Senior Member
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I would of assumed the treads had to be level, not sloping?
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22nd March 2008, 10:05 AM #20
I think that's why gaza's caption is hammerhead
Steve
Kilmore (Melbourne-ish)
Australia
....catchy phrase here
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22nd March 2008, 12:16 PM #21
Hammer Head
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a small slope is ok, have done it before got passed bca.
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22nd March 2008, 04:07 PM #22
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22nd March 2008, 05:08 PM #23
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To be honest even if you can have a slope I think it would feel rather weird walking down them.
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22nd March 2008, 08:46 PM #24
Hammer Head
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i am talking about 2 or 3mm across 250mm not 50mm.
it was just enough across 10 risers to again the 20mm we needed.
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23rd March 2008, 12:34 AM #25
190mm max rise top of tread to top of tread.
115mm min. rise top of tread to top of tread.
Max. gap of 125mm between treads.
No slope on treads.
Max. of 1 in 40 or 1 in 50 [ I can't remember without looking it up ]slope on [legal size] landings is permitted.Peter Clarkson
www.ausdesign.com.au
This information is intended to provide general information only.
It does not purport to be a comprehensive advice.
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23rd March 2008, 01:41 PM #26
I thought I should have known allowances for tread out of level.
Upon looking it up I can confirm Peter it is 1:50 for landings (3.9.1.3.h.iii.).
But no where the trueness of a tread is mentioned, its implied in figure 3.9.1.2 but not stated.
Are you aware of any place?
Thanks
Brett Thompson
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