Deck 21: Plumbing Codes: Storm Drainage

Question 1

When performing a test on storm drainage systems, what is the minimum amount of time that the test should be held for?

A)10 minutes
B)5 minutes
C)20 minutes
D)15 minutes

Answer 1

D

Question 2

The system of directing rainwater into a sanitary drainage system is known as:

A)a sanitary mix drainage system
B)a super dedicated drainage system
C)a combination drainage system
D)a redirection drainage system

Answer 2

C

Question 3

How much static head of pressure should each section have when planning a storm drainage system test?

A)at least 10
B)at least 5
C)at least 8
D)at least 15

Answer 3

A

Question 4

According to the UPC, when calculating the roof area for redirecting water, how much should be added for one wall?

A)100 percent of the wall area
B)50 percent of the wall area
C)75 percent of the wall area
D)125 percent of the wall area

Question 5

When a subsurface area is larger than 100 square feet, how is the drainpipe size determined?

A)by doubling up for every 100 square feet
B)similar to calculations for roof drains
C)multiplying the square footage by 2
D)adding 2 inches of pipe for every 50 square feet

Question 6

If a subsurface area has an area less than 100 square feet, what size pipe is suitable for directing water to a subsoil drain?

A)2-inch
B)1-inch
C)1 1/2-inch
D)1 1/4-inch

Question 7

According to the UPC, when calculating the roof area for redirecting water, how much should be added for two opposite walls of differing heights?

A)35 percent of the wall area above the top of the lower wall
B)50 percent of the wall area above the top of the lower wall
C)75 percent of the wall area above the top of the lower wall
D)100 percent of the wall area above the top of the lower wall

Question 8

According to the IPC, when calculating the roof area for redirecting water, how much should be added?

A)one-half of the total area of the vertical surface
B)one-quarter of the total area of the vertical surface
C)one-third of the total area of the vertical surface
D)double the total area of the vertical surface

Question 9

According to the UPC, when calculating the roof area for redirecting water, how much should be added for two adjacent walls of unequal heights?

A)35 percent of the wall area
B)50 percent of the wall area
C)75 percent of the wall area
D)100 percent of the wall area

Question 10

Today, only about half of large American cities have dedicated storm drainage systems.

Question 11

As cities began to grow, one of the first solutions for directing large amounts of rainwater out of cities was to direct rainwater into sanitary drainage systems.

Question 12

According to the UPC, when calculating the roof area for redirecting water, how much should be added for two opposite walls of the same height?

A)no additional area
B)50 percent of the wall area
C)75 percent of the wall area
D)100 percent of the wall area

Question 13

Which of the following require either a floor drain, or sump pit to collect rainwater and divert it away from a building?

A)rooftop
B)vertical walls
C)signage
D)subsurface stairwell

Question 14

It is now illegal to direct rain runoff into sanitary drainage systems.

Question 15

Which type of area requires a means of collecting rainwater and redirecting it to areas where it will not cause a hazard?

A)parking lots
B)courtyards
C)buildings
D)all of the above