Description

Objectives

Successful completion of this module prepares you to do the following:

• 1. Understand how to create a square corner.
  • a. Describe how to lay out a corner and confi rm it is square.
  • 2. Explain how to calculate standard and rolling offsets. a. Describe how to calculate travel and lay out standard offsets of varying angles.
  • b. Describe how to calculate rolling offsets of varying angles.

Performance Tasks

Performance Task 1 (Learning Objective 1) 1. Lay out square corners using the 3-4-5 ratio.

Performance Task 2 (Learning Objective 1) 2. Verify the squareness of a corner using the 3-4-5 ratio.

Performance Task 3 (Learning Objective 2) 3. Calculate 111⁄4-, 221⁄2-, 45-, 60-, and 72-degree offsets.

Performance Task 4 (Learning Objective 2) 4. Calculate travel on a rolling offset.

Performance Task 5 (Learning Objective 2) 5. Calculate a 45- and 90-degree angle using a plumber’s folding rule.

Performance Task 6 (Learning Objective 2) 6. Calculate 111⁄4-, 221⁄2-, 45-, 60-, and 72-degree parallel offsets.

Performance Task 7 (Learning Objective 2) 7. Calculate rolling offsets using constants for the angled fi ttings.

Performance Task 8 (Learning Objective 2) 8. Calculate 45-degree offsets around obstructions.

Performance Task 9 (Learning Objective 2) 9. Calculate the rolling offset using a framing square.