Schematic of the stairs
Drawing Template stages
Drawing the bowstring
Recommendations
Deviation from the formula for 3.8%
Suggested to increase the number of stages more on 1Sufficient depth of step
Convenient staircase inclination 32.7°
Relatively comfortable staircase
Initial data
The height of the stairs 2500 mm
The length of the stairwells in the plan 2300 mm
Width of the track 800 mm
Number of steps 13
Rotary stages 5
Number of steps below the Rotary 3
The thickness of the treads 50 mm
Tread Overhang 50 mm
Stringer
The length of the front of the upper bowstring 1782 mm
The length of the upper bowstring full 2142 mm
The length of the front of the bottom Stringer 1425 mm
The length of the bottom Stringer full 1785 mm
The thickness of a bowstring 231 mm
The distance on the bowstring between prosaws on stage 356 mm
The angle of the stairs 32.7° from the floor
Step size
Depth steps 350 mm
Step height 192 mm
The height of risers 142 mm
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