Calculated Industries 4065 v3.1 Pocket Reference Guide Advanced Consnruction-Math - Manual (Page 31)

P OCKET R EFERENCE G UIDE — 27
j
JK 4 249.
MM
j
JK 5 0.
MM
j
PLMB 36.43°
j
LEVL 53.57°
j
CHK1 45.00°
Irregular Hip/Valley
A roof has a 225/300 mm Pitch, an irreg-
ular Pitch of 200/300 mm, and half the
span is 2000 mm. Solve the Hip/Valley
length. On-center spacing is 400 mm.
KEYSTROKE DISPLAY
1. Find Common rafter length:
o o
0.
2 2 5 Ç 9 p PTCH 225.
MM
2 0 0 0 Ç 9 R RUN 2000.
MM
d
DIAG 2486.
MM
2. Enter On-center spacing and irregular
Pitch; find irregular Hip rafter:
® 5
(o.c.) OC STORED
400.
MM
2 0 0 З 9 З H Ç 9
(Ir/Pitch)
200.
MM
H
IH/V 3353.
MM