Calculated Industries 4090 - Stairs; Stairs - Given Rise and Run

POCKET REFERENCE GUIDE — 31
(Cont’d)
KEYSTROKE DISPLAY
j JK 5 0 FEET 0 INCH
j PLMB 36.87°*
j LEVL 53.13°*
j CHK1 45.°
*Angle answers are rounded.
Irregular Hip/Valley
A roof has a 9/12 pitch, an irregular pitch
of 8/12, and half the span is 6 feet 7 inch-
es. Solve the hip/valley length. On-center
spacing is 16” (default):
KEYSTROKE DISPLAY
o o 0.
1. Find Common rafter length:
9 i p PTCH 9 INCH
6 f 7 i R X 6 FEET 7 INCH
d R 8 FEET 2-3/4 INCH
2. Enter irregular pitch and find irregular
Hip rafter:
8 i Ç H IPCH 8 INCH
H IH/V 11 FEET 0-7/8 INCH