Parameter
Short Description
Long Description
Back Width
Flight Index
The Flight number to which the Tread/Riser belongs.
(A Tread/Riser on a Landing has a Flight Index of 0.)
Front Surface Area
Surface area of the front of the tread (based on its vertical projection)
The visible part of the Riser viewed from the front
Front Width
Segment Type
Landing, Run, Divided Landing, Winder Turn
Step Index
The Step number to which the Tread/Riser belongs
Total Surface Area
Total Surface area of the Riser
Tread Flight Length
Going depth plus Tread Nosing
Tread Going
Going depth
Tread Nosing
Length of nosing's horizontal protrusion
Tread Top Surface Area
Surface area of the top of the tread
