General drawing a di staircase
Step template drawing
Bowstring drawing
Recommendations
Deviation fram di convenience formula by 3.8%
Wi recommend yuh increase di numba a steps still on 1Di depth a di step is sufficient
Convenient angle of inclination of the stairs 32.7°
Relatively convenient staircase
Initial data
Stair height 2500 mm
Length a di staircase opening inna plan 2300 mm
Platform width 800 mm
Number a steps 13
Rotary steps 5
Number a steps below di turning ones 3
Step thickness 50 mm
Overhang a steps 50 mm
Stair string
Length a di front part a di upper bowstring 1782 mm
Full length a di upper string 2142 mm
Length a di front part a di lower string 1425 mm
Full length a di lower string 1785 mm
Bowstring thickness 231 mm
Di distance pan di string between di cuts fi di steps 356 mm
Stair angle 32.7° fram floor level
Step sizes
Step depth 350 mm
Step height 192 mm
Riser height 142 mm
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