Calculated Industries 4054 - 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 C-AL 8
PULG
1 2 f 6 i r
ALT 12
PIES
6
PULG
2. Calculate stair values:
s C-AL 7-7/8
PULG
s CHUE 19.
s C+/– – 0-3/8
PULG
s H-AN 10
PULG
s HUE 18.
s H+/– 0
PULG
s LRGO 19
PIES
1-1/8
PULG
s INCL 38.22°
s RECR 15
PIES
0
PULG
*
s ALT 12
PIES
6
PULG
s C-AL 8
PULG
s H-AN 10
PULG
*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.
GUARD
GUARD
GUARD
GUARD
GUARD