Reference by “standing at the foot of the stairs (bottom floor) looking up to the top floor”

1. Right Turn Staircase (Right Turn)

Left Side – Outer (Left External) Right Side – Inner (Right Internal)

2. Left Turn Staircase (Left Turn)

Left Side – Inner (Left Internal) Right Side – Outer (Right External)

A “stair run” is counted by the number of landings dividing the staircase, not the number of building floors (e.g. L-shape or U-shape stairs usually have 2 or more runs). If your staircase has landings, please select the number of runs and fill in the data for each run in the table.

	Run 1	Run 2	Run 3	Run 4	Run 5	Run 6
First Step Height	cm	cm	cm	cm	cm	cm
Diagonal Run Length	cm	cm	cm	cm	cm	cm

Reference by “standing at the foot of the stairs (bottom floor) looking up to the top floor”

1. Right Turn Staircase (Right Turn)

Left Side – Outer (Left External) Right Side – Inner (Right Internal)

2. Left Turn Staircase (Left Turn)

Left Side – Inner (Left Internal) Right Side – Outer (Right External)

A “stair run” is counted by the number of landings dividing the staircase, not the number of building floors (e.g. L-shape or U-shape stairs usually have 2 or more runs). If your staircase has landings, please select the number of runs and fill in the data for each run in the table.

	Run 1	Run 2	Run 3	Run 4	Run 5	Run 6
First Step Height	cm	cm	cm	cm	cm	cm
Diagonal Run Length	cm	cm	cm	cm	cm	cm