Metal Pan Concrete Stairs
Bent exterior stringer stair design geometry loads tread width l1.
Metal pan concrete stairs. American safety tread located in birmingham al manufactures cast and extruded stair treads and stair nosings. The pans are built to be filled with concrete after they are installed thus creating an attractive and long wearing surface. 5 500 ft landing pan support spacing.
Our talented team of professionals are experts in design engineering manufacturing and the installation of commercial steel stair systems. Concrete frame pan stair. The tread is the piece of steel that makes up the steps of the stair.
Located in salem oregon since 1989 pacific stair corporation is north america s leader in advanced egress stair system technology. 5 500 ft live load 100 00 psf concrete fill at treads. Concrete calculator for stairs.
2 00 in concrete fill at landing. Our mission is to provide great efficiencies construction and design savings control of quality and scheduling and ensure clients receive the highest standard of care and trust. The throat depth of the stairs is measured from the point where the rise and run cuts meet on the inside cut to the compacted gravel or inside.
11 000 ft misc 5 00 psf landing width l4. To view these documents click the link it will open in a new window requires adobe acrobat reader to save these files from the new window. Stair terminology the tread can be made from grating or from pans both shown in figure.
This calculator can be used for free standing hollow concrete stairs that require one or two of the sides to be made of solid concrete in addition to an upper landing. Mon practices of detailing stairs both by hand and with automated programs. Structural steel components tread.
This article does not cover orna mental or circular stairs. We are a nationwide manufacturer of standard and custom components for commercial stair systems including metal stairpans perforated metal stairpans stair treads landing pans carrier angles and more. Covered in this article are typical stairs in american and canadian indus trial and commercial buildings where grating and concrete filled pans are used.
Concrete 25 00 psf stringer spacing l2. Load 77 08 plf handrails 50 00 plf dead load 127 08. 4 580 ft dead load 40 00 psf stringer support l5.
To calculate the amount of concrete needed with this calculator for stairs you need to know the rise run throat depth and the width of the stairs. 8 500 in treads pans 10 00 psf stringer length l3. The stair components systems division provides components to the commercial steel stair builders industry.
