Stairs - Given Only The Run - Calculated Industries Sheet Metal/HVAC Pro Calc User Manual

Stairs — Given Only the Run
You're building a stairway with a total Run of 20 Feet. Your desired
Riser height is 7-1/2 Inches and desired Tread width is ten Inches
(default, or preset values). The desired headroom is 6 Feet 8 Inches
and floor thickness 10 Inches (defaults). Find all stair values, then
calculate the Rise.
KEYSTROKE
1. Enter Run:
o o
2 0 f R
2. Find Riser height, number of Risers, Riser Overage/Underage,
Tread width, number of Treads, Tread Overage/Underage, stairwell
opening, Stringer length and Angle of Incline. As a final step, calcu-
late the Rise:
s
s
s
s
s
s
s
s
s
s
s
98 — S M
HEET ETAL
/HVAC P
RO
C
ALC
X 20
R-HT 7-1/2
OPEN 10
STRG 25
RUN ( )
X
STORED
RISE 15
DISPLAY
0.
0
FEET INCH
INCH
RSRS 25.
R+/– 0
INCH
T-WD 10
INCH
TRDS 24.
T+/– 0
INCH
0
FEET INCH
0
FEET INCH
INCL 36.8699°
20 0
FEET INCH
7-1/2
FEET INCH