What is meant by stair supported on landing?
What is meant by stair supported on landing?
It is a one way slab spanning between walls built over Bm1 and Bm5. Flight CD is supported between two landings. One landing at C and another landing at D. The landing at C is the same intermediate landing on which end B of the first flight AB is supported.
How is a staircase supported?
The framing members that support a stairway are called stringers. While the center stringer will always be a “cut stringer” based on the unit rise and unit run of the stair, outer stringers can be cut or “housed.” A housed stringer has routed slots that allow treads and risers to be wedged into place.
Do you need supports under stairs?
Yes, the stringers need to be supported along their length, but they can span a few feet too, depending on 1) the width of the stairs, 2) the number of stringers, and 3) size of riser board. 1) The wider the stair the more load will be transferred to the stringers.
What is the minimum stair landing size?
The minimum recommended stair landing length is 36″ (or a length and width sufficiently greater than the swing of the door if a wider door is present). This stairway landing or platform dimension is often also expressed as “a minimum of 36-inches in the direction of travel.
Where are the landings on a stair located?
What is a Stair Landing? Landings in a stair is a level floor or platform constructed at a location where the direction of stairs changes, between flights of the stair, or at the top of stair flight. The locations of landings in a stair is shown in Figure 1, Figure 2 and Figure 3.
How tall is a landing on a stair stringer?
The height of each step is 6 7/8 inches. The mid-level landing counts as a step in this design. Both upper stair stringers and lower stair stringers have the same number of treads. It doesn’t have to be this way, you can place a landing anywhere along the stair run that serves your needs.
How tall do stairs have to be to have a mid level landing?
A mid level landing is required as per design specifications. The height of the second floor is 110 inches above the first floor. Enter this number into the stair calculator in the Total Rise field. Since the default values in the remaining input fields are ideal, we will leave them alone.
What is the Florida code for stairway landings?
– Florida Building Code, 1009.4 Stairway Landings And though it should go without saying, the recommended stairway landing or platform width is equal to the stairway width. The platform or walking surface can be wider, of course, such as occurs when stairs end at a balcony, deck, or walkway.