STAIRS CALCULATION FOR DUMMIES
State the following:
a. Number of risers and dimension required
b. Number of treads and dimension required
c. Total span/length of the stairs of a straight run staircase
Personal notes
Standard
Riser = 150-175 mm
Thread = 225-250 mm
Additional landing
≤ 18 total → no landing
>18 total → + landing
1. Stairs Calculation
Height from 1st storey FFL to 2nd storey FFL= 3700 mm
Width of staircase= 1000 mm
2. Stairs Calculation
Height from 1st storey FFL to 2nd storey FFL= 3150 mm
Width of staircase= 900 mm
3. Stairs Calculation
Height from 1st storey FFL to 2nd storey FFL= 4200 mm
Width of staircase= 1000 mm