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Rise/Run...Steps

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04-25-05, 05:30 AM

Glenwood

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Rise/Run...Steps

I am pouring steps and have already formed up the sides with 18inch wide plywood. Everything is plumb and staked. I am having a hard time figuring out the rise and run that will give me nice equal steps. Once I get it figured out I am going to use my level to lay it out.

My rise is 37 inches over a 15 foot 6 inch run.

I am looking for about a 7-73/4inch step if possible, but am more interested in just spreading the steps out nicley.

Any help is greatly appreciated.

Thanks.

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04-25-05, 07:28 AM

chevydrivin

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So the lenghth is 15'6" and 37" high?

First figure your highth,,,,,37" divided by 5 steps equal 7.4" rise on each step. That means that 15'6" diveded by 5 steps is a 73.2"long step.

Is it 15-6 long? that would be some long platform like steps!!!!!!

you will have a 3.05' step with a 7.4" rise for 5 steps.

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04-25-05, 09:34 AM

Glenwood

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formula

So, if I want a shorter tread, then I need to make my riser not as high?

Thanks

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04-25-05, 01:13 PM

chevydrivin

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right lets see 15-6 x 37

so 10 steps would be 3.7" rise and a 18.6" step and so on

37" divided by number of steps you want equal highth inch of step.
186" of run divided by number of steps from above equal length of step.

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04-26-05, 06:45 AM

Glenwood

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steps

I layed it out ealier today and it worked great. Thanks for the help with the math.

Brent

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