Calculated Industries 4045-B - Manual (Page 45)

User's Guide — 45
(7-1/2 Inch Desired Riser Height)
You need to build a stairway having a
floor-to-floor height of 28 feet 5-1/2
inches, a run of 35 feet 6 inches and a
nominal riser height of 7-1/2 inches
(default). Find the number of risers, the
riser height and underage/overage, the
number of treads, the tread width and
underage/ overage, stringer length and
inclination angle.
Keystroke Display
[On/C] [On/C] 0.
1. Enter Rise and Run
28 [Feet] 5 [Inch] 1 [ / ] 2
[Rise]
RISE 28 FT 5-1/2 IN
35 [Feet] 6 [Inch] [Run]
RUN 35 FT 6 IN
2. Find Stair Values
[Rcl] [Stair] R-HT 7-1/2 IN
[Stair] RSRS 46
[Stair] R-SZ 7-7/16 IN
[Stair] R+/– 0-5/8 IN
[Stair] TRDS 45
[Stair] T-SZ 9-7/16 IN
[Stair] T+/– –1-5/16 IN
[Stair] STRG 45 FT 1-3/8 IN
[Stair] INC° 38.10298