Self-Test D-3.5 Installing Storm Drainage Systems

Complete Self-Test D-3.5 and check your answers.

1. What is the smallest size of storm drainage piping that is allowed to be installed at a slope of 1:100?
   1. 2 in.
   2. 3 in.
   3. 4 in.
   4. 5 in.

    

2. When installing a roof drain body on a flat roof, which device holds the drain body in place?
   1. Sump receiver
   2. Underdeck clamp
   3. Clamping collar
   4. Drain dome

    

3. When installing a roof drain body on a flat roof, which device clamps the waterproof membrane to the drain body?
   1. Sump receiver
   2. Underdeck clamp
   3. Clamping collar
   4. Drain dome

    

4. When installing a roof drain body on a flat roof, which device is the roof dome attached to?
   1. Sump receiver
   2. Underdeck clamp
   3. Clamping collar
   4. Drain body

    

Answer Key: Self-Test D-3.5 is on the next page.