EXERCISE DESCRIPTION —PART A
Using the elevation show in Lab Manual Figure 21–2,
calculate the quantities of wall materials required if the
wall were constructed of:
• Timbers (assuming timbers 8 feet long and
6 inches in height)
EXERCISE DESCRIPTION—PART B
Using construction documents provided by the instruc–
tor, calculate the quantities of wall materials necessary to
construct two wall designs.
EXERCISE SETUP
To perform the exercise, the following will need to be
completed ahead of time:
need to complete calculations prior to student
work in order to assist student progress and grade
final calculations.
EVALUATION RECOMMENDATIONS
Evaluation of this exercise should include the following
Exercise 21
Wall Material
Calculations
3555X_01_ch01-40_p001-048.indd 26 14/06/10 7:48 PM
Exercise 21 Wall Material Calculations 27
Segmental Units Unit Conversion Factor Quantity Notes/Comments
Segmental Units Each 1 unit = 0.9 SF 136 units
Stone Unit Conversion Factor Quantity Notes/Comments
Dry-Laid Stone Ton 1 Ton = 21 SF 6 tons
Back ll CF Same as CF above 98 CF
Ties/Timbers Unit Conversion Factor Quantity Notes/Comments
Timbers Each 1 timber = 3.7 SF 33 timbers
Deadmen Each 1 timber = 5.0 LF 5 timbers
Sqare Footage of Wall: 122 SF Length of Wall: 24 LF Cubic Footage of Fill: 98 CF
3555X_01_ch01-40_p001-048.indd 27 14/06/10 7:48 PM