I bought a house that had an above ground pool built into the back deck. The deck is a rectangle, with a quarter oval cut out of the corner so the pool could fit in there. I removed the pool last weekend, and now have a semicircular drop from my deck to the ground, maybe 4 feet high.

I would like to put a firepit in where my pool was. My current vision is to build deep "steps" that would basically be a bench seat following the curve of the deck around the fire pit. Kind of like a bleacher.

Are there any code requirements for seating like this? Is it possible? There is already a separate stairway off the deck (which is to code as far as I know).

In Southern New Hampshire, but curious if there's anything international building code related.


Example of what I'm talking about in above link.

  • @dandavis forgot to add location, thanks – nmjcman101 Jun 20 at 19:04
  • that's closer, but a lot of these regulations are set by the city and or county, so you're best to contact their office if you don't want to divulge your location to the world. – dandavis Jun 20 at 19:21
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    My town just says that the adopted code is IBC/IRC/IMC etc. as adopted by the state of NH, which in turn says it uses the 2009 IBC/IRC/IMC etc. with no modifications. nh.gov/safety/boardsandcommissions/bldgcode/… – nmjcman101 Jun 20 at 19:26
  • As a seat there is not so much on that but for steps there are requirements as I remember for the rise 7” and the tread 10” with the width being 30” minimum, but I haven’t don a stairway in 20 years so my numbers may be a bit off. Also over 6 or 7 risers a hand rail is required. – Ed Beal Jun 24 at 14:38

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