Calculated Industries Construction Master IV - Page 53

User's Guide — 53
Risers & Treads —
(
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