Stairway Design
Stairway Terminology
Different Types of Non-Winder Stairs Straight Run Long L
Different Types of Non-Winder Stairs Wide L Narrow U
Different Types of Non-Winder Stairs Double L Wide U
Winders Only one set of winders may be used between levels
Curved Stairs
Designing Curved Stairs
Spiral Stairs Aerial View Side View
Stair Rail Terminology
Typical plan views of a stairway Plan at 2nd fl. level Plan at 1st fl. level Plan at basement level
Section view
Total Rise of Stairway Total Rise is 8’-9 3/4” or 2634mm 3/8” or 10mm Finished floor 3/8” or 10mm Joist size 9 3/8” or 184mm Room Height 8’-0” or 2440mm Total Rise is 8’-9 3/4” or 2634mm
Comparison between # of risers and treads Adjust Answer = 14 4. Number of treads – The number of treads required is always one less than the number of risers; therefore the answer is 13.
Stairway Layout The main reason for drawing a stairway layout is to determine the stairwell opening.