Self-Test D-3.1 Storm Drainage Terminology

Complete Self-Test D-3.1 and check your answers.

1. What is the term given to wastewater with impurity levels that will not be harmful to health and may include HVAC condensate but does not include stormwater?
   1. Sewage
   2. Clearwater waste
   3. Effluent
   4. Potable water

    

2. What is the term given to a building drain that conducts stormwater and is connected at its upstream end to a leader, sump, or catch basin and at its downstream end to a building sewer or a designated stormwater disposal location?
   1. Sanitary building drain
   2. Storm branch
   3. Combined building drain
   4. Storm building drain

    

3. A roof drain, as defined by the NPC, is a drain installed to receive water collecting on the surface of a roof and to discharge the water into what location?
   1. Leader
   2. Storm building drain
   3. Combined building sewer
   4. Gutter

    

4. How far does a storm building drain continue outside the building wall before it can be considered a storm building sewer?
   1. 300 mm
   2. 1 m
   3. 3 m
   4. To the property line

    

5. What is the term given to a building drain that conducts stormwater and sewage?
   1. Sanitary building drain
   2. Storm branch
   3. Combined building drain
   4. Storm building drain

    

Answer Key: Self-Test D-3.1 is on the next page.