Rise tread should be between 17 and 171 2.
Structural steel stair details.
3 16 maximum variation in rise or tread is allowable.
Closed riser stairs with concrete filled treads and platforms.
Typically used for indoor stairs in insuring that the stair is safe.
2 x rise tread should be between 24 and 25.
Section 05500 metal fabrications.
Closed and open riser stairs.
Section 03300 cast in place concrete.
Specify all the different types of materials.
Indicate all the dimensions like tread widths depths total length width of the stair balustrade details etc.
Angle of the stair should be between 20 and 50 degrees.
Section specifies steel stairs with railings.
Concrete fill for treads and platforms.
Wall handrails and railings for other than steel stairs.
Tread minimum and rise maximum as well as other.