Self-Test D-3.4 Planning the Storm System

Complete Self-Test D-3.4 and check your answers.

1. What is the recommended minimum number of roof drains for any size individual roof?
   1. 1
   2. 2
   3. 3
   4. 4

    

2. Which of the following advantages is not associated with interior rainwater leaders?
   1. Lower cost
   2. Appearance
   3. Convenience
   4. Freeze protection

    

3. If the decision is made to install a leader at a building column location, what professional should be consulted prior to the installation?
   1. Mechanical engineer
   2. Electrical engineer
   3. Structural engineer
   4. Architect

    

4. What type of fitting is installed in a storm drainage piping system to accommodate pipe movement without affecting the placement of a roof drain?
   1. MJ clamp
   2. Expansion joint
   3. Fernco coupling
   4. Slip coupling

    

5. What part of the building envelope would be damaged if a proper pipe anchoring system were not in place when installing a rainwater leader to a roof drain?
   1. Piping material
   2. Roof truss system
   3. Expansion joint
   4. Waterproof membrane

    

Answer Key: Self-Test D-3.4 is on the next page.