Adding stair - can one tread be on other side of door?

Posted by Steve Barker DLT on August 20, 2008, 9:46 pm

interesting calculator. But it won't let me do what I'm about to do in real
life. 107" run with 107" of rise. No choice.

s

> Here's an on-line calculator for stairs:
> http://www.blocklayer.com/stairs/StairsEng.aspx
> Input your total rise and total run, then tell it your 10" step rise.
> It will do the rest.
> 10" is an awfully large step. Are you sure that's what's required?
> --
> Steve Bell
> New Life Home Improvement
> Arlington, TX

Posted by SteveBell on August 20, 2008, 11:15 pm

Steve Barker DLT wrote:

> > Here's an on-line calculator for stairs:
> > http://www.blocklayer.com/stairs/StairsEng.aspx
> >
> > Input your total rise and total run, then tell it your 10" step
> > rise. It will do the rest.
> >
> > 10" is an awfully large step. Are you sure that's what's required?
> >

> interesting calculator. But it won't let me do what I'm about to do
> in real life. 107" run with 107" of rise. No choice.

It will accept 8' 11" for total rise and total run if you choose the
"Use Total Run" radio button in the box under the "Calculate" button.

What it _won't_ do is let you use 10" for a step rise. I'm still
suspicious that someone gave you faulty info. A typical stair tread has
a rise of 7 1/2" to 8".

--
Steve Bell
New Life Home Improvement
Arlington, TX

Posted by the_tool_man on August 21, 2008, 5:57 am

wrote:

> Steve Barker DLT wrote:

> > > Here's an on-line calculator for stairs:
> > >http://www.blocklayer.com/stairs/StairsEng.aspx
> > > Input your total rise and total run, then tell it your 10" step
> > > rise. =A0It will do the rest.
> > > 10" is an awfully large step. Are you sure that's what's required?

> > interesting calculator. =A0But it won't let me do what I'm about to do
> > in real life. =A0107" run with 107" of rise. =A0No choice.

> It will accept 8' 11" for total rise and total run if you choose the
> "Use Total Run" radio button in the box under the "Calculate" button.
> What it _won't_ do is let you use 10" for a step rise. I'm still
> suspicious that someone gave you faulty info. A typical stair tread has
> a rise of 7 1/2" to 8".
> --
> Steve Bell
> New Life Home Improvement
> Arlington, TX

I was talking about the stair tread depth, or "run", going from 9" to
10". The riser depth will be about 7-3/4" in my case.

Posted by DanG on August 21, 2008, 5:49 pm

Here are a couple of old carpenter truisms:
Rise + run should = 17 to 18
Rise + rise + tread should = 25
Good comfortable normal stair 7 rise, 11 tread
Your R+R at 7 3/4 should use a tread of 9 1/2. Some inspectors
are thoroughly stuck on a full 12" tread, measured nose to nose.

I would be more concerned about the inspector not accepting a 7
3/4 rise. I think the current code book maximum is 7 3/8.

--
______________________________
Keep the whole world singing . . . .
DanG (remove the sevens)
dgriff237@7cox.net

On Aug 20, 11:15 pm, "SteveBell"
wrote:

> Steve Barker DLT wrote:

> > message

> > > Here's an on-line calculator for stairs:
> > >http://www.blocklayer.com/stairs/StairsEng.aspx
> > > Input your total rise and total run, then tell it your 10"
> > > step
> > > rise. It will do the rest.
> > > 10" is an awfully large step. Are you sure that's what's
> > > required?

> > interesting calculator. But it won't let me do what I'm about
> > to do
> > in real life. 107" run with 107" of rise. No choice.

> It will accept 8' 11" for total rise and total run if you choose
> the
> "Use Total Run" radio button in the box under the "Calculate"
> button.
> What it _won't_ do is let you use 10" for a step rise. I'm still
> suspicious that someone gave you faulty info. A typical stair
> tread has
> a rise of 7 1/2" to 8".
> --
> Steve Bell
> New Life Home Improvement
> Arlington, TX

I was talking about the stair tread depth, or "run", going from 9"
to
10". The riser depth will be about 7-3/4" in my case.

Posted by tbasc@bellsouth.net on August 20, 2008, 4:50 pm

> Hi all:
> I've been planning a bonus room addition to my house for years. This
> will require the installation of a stairway from the first floor to
> the new room. =A0When I designed the addition several years ago, our
> building code specified a minumum tread depth of 9 inches. =A0I was just
> able to fit the stair into the plan with about 10 inches to spare.
> Construction is about to commence, and I just learned that we have
> adpoted the 2006 code, which specifies the minum tread depth at 10
> inches. =A0Now my stairs won't fit in the space allotted. =A0I cannot mov=

> the top of the stair more than the 10 inches because there is a
> structural beam in the way. =A0The bottom of the stair ends at an
> interior wall which will get a new door. =A0Can I place one tread on the
> other side of the door, moving the door opening up by the height of
> one riser? =A0Do I need a landing? =A0I hope not, because the foyer on th=

> other side of that wall is not big enough. =A0I'll put a call in to the
> inspector this afternoon, but I'm curious as to how others have solved
> this.
> Thanks in advance,
> John.

IRC 2006 & common sense say no door in the middle of the stair run and
no door swing over the stairs.

Are there walls on each side of the run?
Can the stair run direction be turned 90=BA?

T

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Adding stair - can one tread be on other side of door? - Page 3