Where doors or gates open directly on a stairway, a platform shall be provided , and the swing of the door shall not reduce the effective width of the platform to less than 20 inches (51 cm). Metal pan landings and metal pan treads, when used, shall be secured in place before filling with concrete or other material.
Where doors or gates open directly on a stairway quizlet?
In those places where doors or gates open directly to a stairway, a platform must be provided that is at least 20 inches in width beyond the swing of the door .
What is the OSHA standard for stairs?
Riser height shall be from 6 to 7.5 inches (15.24 to 19.05 cm), stair width a minimum of 22 inches (55.88 cm) between vertical barriers, tread depth a minimum of 12±2 inches (30.48±5.08 cm), and tread nosing shall be straight leading edges. Stair landings shall be at least 20 inches (50.8 cm) in depth.
When must stairs have a platform?
A landing platform must be provided if the step-across distance exceeds 12 inches (30 cm) . Fixed ladders without cages or wells must have at least a 15-inch (38 cm) clearance width to the nearest permanent object on each side of the centerline of the ladder.
Which of the following must be provided when the length of climb?
29 CFR 1926.1053(a)(19) states that fall protection must be provided whenever the length of climb on a fixed ladder equals or exceeds 24 feet . A fixed ladder is “a ladder that cannot be readily moved or carried because it is an integral part of a building or structure” (§1926.1050(b)).
What is the biggest danger of stairs and ladders?
Human error is by far the leading cause of ladder accidents. Never use a ladder in any other way than what the manufacturer intended it to be used for. Also, do not lengthen or alter a ladder in any way. While using a ladder always maintain 3 points of contact with the ladder to ensure stability.
When should you not use power tools?
Terms in this set (10)
Hand-held electric power tools should always be disconnected when not in use to prevent shock or fire hazards.
What is the standard height and width of stairs?
Standard Step Height
On average, American architects have used a standard stair height of 7.5 inches . On stairs built inside, the average tread width is 9 inches, while outside treads have an average width of 11 inches.
Do I need a handrail for 3 steps?
A: Editorial Adviser Mike Guertin replies: Since your stairs will have only three risers, you don’t need to install a handrail . That said, it’s important to count the number of risers accurately.
What is code for stair width?
International Residential Code (IRC)
The IRC stairs code states that, to comply with stairway requirements, the minimum width for residential stairs be no less than 36 inches . The stair riser code is up to 7.75 inches, and can not vary more than 3/8 of an inch.
Can a door swing over a step?
For example an exterior door of a home, that is not the “primary” entrance to the home (like the door to the back yard) does not require a landing and the screen door could swing out over those stairs if the stairs do not have more than two risers. ...
How many steps require a handrail?
If a stair has a minimum of four risers , a handrail is required. Handrails must be between 30 and 38 inches as measured from the leading edge of the stair tread. Stair rail system: Top rail may also serve as handrail if height of the system is between 36 and 38 inches.
What is the legal requirement for a step?
| 1. The maximum rise for any step is 220mm (min. 150mm) | 2. The minimum going of any step is 220mm (max. 300mm) | 3. The maximum pitch is 42° | Private (domestic) Staircase Going = 220 min; Rise = 220 max; Pitch = 42° max. | Utility stair Going = 250 min; Rise = 190 max |
What must be provided where doors or gates?
Where doors or gates open directly onto a stairway, a platform must be provided that is at least 20 inches (51 cm) in width beyond the swing of the door . Metal pan landings and metal pan treads must be secured in place before filling. All stairway parts must be free of dangerous projections such as protruding nails.
What is the OSHA standard for ladders?
Each step or rung of a fixed ladder must be able to support a load of at least 250 pounds (114 kg) applied in the middle of the step or rung. Minimum clear distance between the sides of individual rung/step ladders and between the side rails of other fixed ladders must be 16 inches (41 cm).
What is the minimum size that must be provided for a temporary stairway platform landing )?
Stairways that will not be a permanent part of the structure on which construction work is being performed shall have landings of not less than 30 inches (76 cm) in the direction of travel and extend at least 22 inches (56 cm) in width at every 12 feet (3.7 m) or less of vertical rise.
