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- SOUTH CAROLINA STAIR RAIL CODE INSTALL
- SOUTH CAROLINA STAIR RAIL CODE CODE
- SOUTH CAROLINA STAIR RAIL CODE PLUS
In terms of stair railing code requirements, code is nearly uniform across North America. Deck Railing Height Code Requirementsĭeck railing height code requirements are straightforward, although there is some deviation between states and provinces regarding a standard railing height for decks. There are more code requirements for the handrail itself, in terms of making it graspable for all types of hands, but we’ll go over those in-depth, below. If you have a long, unbroken set of deck stairs – over 60” – then you’ll need a handrail in the center of your steps to adhere to deck stair building code. This usually isn’t an issue for most deck stairs, as handrails are on both sides. If you’ve determined your deck stairs do need a railing, then you must ensure it is at least 34” vertically from the nosing (the front edge of the tread) to the handrail.Īlso, many jurisdictions mandate that you cannot be any further than 30” from a handrail while on a flight of deck stairs. So, if your deck stairs only have two treads or three risers, you do not need a handrail for your steps unless you live in the state of New York – more on that, below. There is always one more riser than stair tread, so you could say that any set of deck stairs with three or more stair treads needs a handrail. The code states that deck stairs that have four or more risers need a handrail. The definition of “step” often confuses people building deck stairs, so let’s clear that up.
SOUTH CAROLINA STAIR RAIL CODE INSTALL
If you do opt to install a railing system on a deck that is below a 30” grade, it is not required to meet deck railing requirements as it becomes an accessory, not an essential safety feature of the deck as long as your local code dictates a 30” minimum. And if you aren’t sure what your local code states, it’s best to stay on the safe side and install a railing if your deck is more than 2’ off the ground. Fluctuations in grade level, shifting earth due to freeze/thaw, aesthetics, or safety might compel you to install a railing anyway. Remember that if your deck is 20” or 25” above grade, you still might want to have a railing. A handful of states and some provinces, mandate railings begin at 24” above grade – not 30”. If your deck is below 30”, then you do not need a railing for most North American jurisdictions.
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Stair handrails need to be on both sides of the stair and can’t project more than 4.5″ into the stair width on each side.
SOUTH CAROLINA STAIR RAIL CODE PLUS
It important to note that the ADA will require you to go one tread depth plus 12″ past the bottom riser so it generally overrides the IBC. The IBC requires that your handrail extend 12″ past the top riser and one tread depth past the bottom riser. Handrails in IBC buildings need to return to a wall, a guard or the walking surface or continue to another handrail. Stair landings a required for 12′ vertical stairs inclines and must be at least as deep as the stairs are wide (up to 4′-0″). Where a door opens into the landing it can’t project more than 7″ into the required depth of the landing.
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ErectaStep commercial stairs with winders will be custom orders. Stairs with winders need to be at least 11″ deep and when 12″ in from the narrow edge and the minimum depth must be 10″. The riser height must be between 4″ and 7″ and the treads must be at least 11″ deep. Stairways have to be at least 44″ if occupant load is over 50 and 36″ width if under 50 occupants you can go to. Stairs must have at least 80″ of head height measured off the tread nosings and it needs to be maintained for one additional riser depth at the bottom of the stairs. It is much more complex, but these are the general rules. International Building Code Guidelines overview for commercial buildings and common stairs in buildings. Stairs and OSHA and IBC Compliance Industrial Metal Stairs and Work Platforms Components IBC Compliance