THOMSON Construction Master Pro - Page 6

Sample
62 Part C
■
Framing
KEYSTROKE DISPLAY
6 f 4 i r RISE 6 FEET 4 INCH
R RUN 13 FEET 9-13/16 INCH
d DIAG 15 FEET 2-3/8 INCH
d PLMB 24.62°
d LEVL 65.38°
(b) Similarly:
3 0 • 5 p
PTCH 30.50°
7 f 2 i r RISE 7 FEET 2 INCH
R RUN 12 FEET 2 INCH
d DIAG 14 FEET 1-7/16 INCH
d PLMB 30.50°
d LEVL 59.50°
■ EXAMPLE 6.4
Find the rise, length, plumb angle, and level angle for a common rafter hav-
ing the following characteristics: (a) Pitch of 8⬙, run of 14⬘-6⬙ (b) Pitch of
26.6°, run of 12⬘-4⬙.
Solution:
KEYSTROKE DISPLAY
(a) The solution differs only slightly from that of Example 6.3:
8 i p
PTCH 8 INCH
1 4 f 6 i R RUN 14 FEET 6 INCH
r RISE 9 FEET 8 INCHES
d DIAG 17 FEET 5-1/8 INCH
d PLMB 33.69°
d LEVL 56.31°
(b) Similarly:
2 6 • 6 p
PTCH 26.60°
1 2 f 4 i R RUN 12 FEET 4 INCH
r RISE 6 FEET 2-1/8 INCH
d DIAG 13 FEET 9-1/2 INCH
d PLMB 26.60°
d LEVL 63.40°
Hip rafters run diagonally upward to the roof ridge from an outside
corner formed by the top plates of two walls. These rafters represent the
lines of intersection between two different sections of roof. Valley rafters
also run diagonally upward, but from an inside corner formed by the top
Notes
Construction Master® Pro Workbook and Study Guide
Copyright © 2007 by Calculated Industries, Inc.
and Thomson Delmar Learning