Calculated Industries 4050-F - Manual (Page 41)

P
OCKET
R
EFERENCE
G
UIDE
— 37
Stairs — Given Only the Floor-to-Floor
Rise; Entering Other Than 7-1/2 Inch
Desired Riser Height
Find stair values if the Floor-to-Floor Rise
is 12 Feet 6 Inches, and the desired Riser
Height is 8 Inches:
KEYSTROKE DISPLAY
1. Enter desired Riser Height and Floor-to-
Floor Rise:
o o
0.
8 i Ç 7
R-HT 8
INCH
1 2 f 6 i r
RISE 12
FEET
6
INCH
2. Calculate stair values:
s
R-HT 7-7/8
INCH
s
RSRS 19.
s
R+/– – 0-3/8
INCH
s
T-WD 10
INCH
s
TRDS 18.
s
T+/– 0
INCH
s
STRG 19
FEET
1-1/8
INCH
s
INCL 38.22°
s
RUN 15
FEET
0
INCH
*
s
RISE 12
FEET
6
INCH
s
R-HT 8
INCH
s
T-WD 10
INCH
*Note: Run is calculated based on Tread values,
as it was not entered. The Total Run of a stair-
way is equal to the width of each Tread multi-
plied by the number of Treads.
STORED
STORED
STORED
STORED
STORED