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To: lyby

is this the answer?

first goog hit

stairs

Exterior landings shall be permitted to have a slope not to exceed 1/4 unit vertical in 12 ... Stair treads and risers shall meet the requirements of this section. For the purposes of ... For interior stairs the artificial light sources shall be capable of.


1,492 posted on 01/21/2020 7:35:01 PM PST by bitt (A government afraid of its citizens should be afraid.)
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To: bitt; lyby

Stair angles depennd on the space available
A good ratio is 2/1
A 6.5” riser and a 13” tread at an incline of about 32 degrees.


1,523 posted on 01/22/2020 4:19:28 AM PST by BiggBob
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