Calculated Industries 4054 - Manual (Page 37)

P OCKET R EFERENCE G UIDE — 33
Irregular Hip/Valley
You’re working with a 7/12 Pitch and half
of your overall Span is 15 Feet 7 Inches.
The Irregular Pitch is 8/12. Find the
Common rafter length, Irregular Hip/Valley
and Jack rafter lengths.
KEYSTROKE DISPLAY
1. Find Common Rafter Length:
o o 0.
7 i p PEND 7
PULG
1 5 f 7 i R
RECR 15
PIES
7
PULG
d DIAG 18
PIES
0-1/2
PULG
2. Find Irregular Hip Rafter Length:
8 i Ç H IPND 8
INCH
H LIMA 22
FEET
7-3/8
INCH
3. Find Irregular Jack Lengths:
Ç j ICEC 16
PULG
j* IC 1 14
PIES
11-13/16
PULG
j IC 2 13
PIES
7
PULG
j IC 3 12
PIES
2-3/16
PULG
j IC 4 10
PIES
9-3/8
PULG
j IC 5 9
PIES
4-1/2
PULG
Etc... Continue pressing j until last regular
Jack or “0.” is reached.
* It is not necessary to keep pressing Ç when
displaying the Irregular Jack sizes.
GUARD