Sanitary Drainage, Indirect Waste Systems and Storm Drainage Flashcards

Learn about sanitary drainage systems, indirect wastes and compliance requirements. (45 cards)

1
Q

True or False:

Buildings on separate properties can share a connection to the public sewer.

A

False

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2
Q

What material is not approved for underground building drainage and vent piping?

A

glass

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3
Q

What is the minimum slope for a horizontal pipe that is 2 inches in diameter?

A

1/4” per foot

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4
Q

What is the minimum slope for a horizontal pipe that is 4 inches in diameter?

A

1/8” per foot

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5
Q

True or False:

Primer is not required for PVC drainage, waste and vent pipe, and fittings in non-pressure applications up to 4” pipe.

A

True

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6
Q

Fill in the blank:

Horizontal drainage pipes in buildings shall have cleanouts located at intervals of not more than ______ feet.

A

100

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7
Q

What size cleanout is required for a 3” pipe?

A

3 inches

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8
Q

A cleanout plug for plastic pipe is required to be which type?

A

plastic

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9
Q

Fill in the blank:

Cleanouts for 4-inch pipe shall be provided with a clearance of not less than ______ inches.

A

18

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10
Q

What is the drainage fixture unit value for a residential clothes washer?

A

2

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11
Q

What is the drainage fixture unit value for a service sink?

A

2

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12
Q

What is the minimum trap size for a kitchen sink?

A

1 1/2”

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13
Q

What pipe size is required for a building drain carrying 200 DFU if the pipe has 1/4” per foot slope?

A

4 inches

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14
Q

What are the maximum drainage fixture units for a 6” building drain having a slope of 1/4” per foot?

A

840

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15
Q

What is the required pipe size for a vertical stack with the discharge from one branch interval carrying 18 drainage fixture units?

A

3 inches

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16
Q

What is the required pipe size for a vertical stack with the discharge from three branch intervals carrying 200 drainage fixture units?

A

4 inches

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17
Q

What is the required pipe size for a vertical stack with the discharge from 5 branch intervals carrying 1200 drainage fixture units?

A

6 inches

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18
Q

What is the minimum depth of a sump pit for a sewage ejector?

A

24 inches

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19
Q

Fill in the blank:

The discharge line connection from a sump or ejector to a horizontal drainage pipe shall be located not less than ______ pipe diameters from other stacks or drains.

20
Q

What is the largest drain size that can be replaced by pipe-bursting methods?

21
Q

What is not a concern that indirect waste connections are designed to protect devices and appliances from?

22
Q

Fill in the blank:

Food handling equipment and fixtures shall discharge through an indirect waste connection by means of ______.

23
Q

Fill in the blank:

Floor drain located in walk-in refrigerators shall discharge through an indirect waste connection by means of ______.

24
Q

Fill in the blank:

The discharge from commercial dishwashers shall discharge through an indirect waste connection by means of ______.

A

either air gap or air break

25
What is the maximum developed length for a pipe measured horizontally running from a fixture to an indirect waste location?
30 inches
26
What is the maximum total developed length for a pipe running from a fixture to an indirect waste location?
54 inches
27
# True or False: Waste receptors for indirect waste shall be permitted in concealed spaces such as crawl spaces, attics, or plenums.
False
28
# Fill in the blank: A hub drain acting as an indirect waste receptor shall extend not less than \_\_\_\_\_\_ above the floor.
1 inch
29
# Fill in the blank: Standpipes intended for indirect waste shall not extend less than \_\_\_\_\_\_ inches above the trap weir.
18 inches
30
# True or False: A laundry tray is permitted to be connected directly to a washer standpipe above the trap.
True
31
# True or False: Stormwater shall be drained into sewers intended for sewage only.
False
32
# True or False: Materials and methods for storm drainage shall be the same as applicable requirements for sanitary drainage systems in Chapter 7.
True
33
# True or False: Floor drains shall be permitted to be connected to storm drains.
False
34
# Fill in the blank: The size of storm drain piping shall be based on \_\_\_\_\_\_.
gallons per minute flow through the roof drain
35
Solve for the gallon per minute flow for a roof surface that is 8,000 square feet at a location with 3.25 inches of rainfall intensity per hour.
270
36
What is the gallon per minute capacity of a vertical leader that is 3"?
92
37
What is the gallon per minute capacity of a vertical leader that is 4"?
192
38
What size of storm drain pipe should be installed for a horizontal roof drain that has a slope of 1/8" per foot and a gallon per minute flow of 100 GPM?
4 inches
39
What size of storm drain pipe should be installed for a horizontal roof drain that has a slope of 1/8" per foot and a gallon per minute flow of 300 GPM?
6 inches
40
What size of storm drain pipe should be installed for a vertical roof drain that has a gallon per minute flow of 450 GPM?
6 inches
41
What size is the horizontal gutter if the slope is 1/8" per foot and the flow rate is 39 GPM?
4 inches
42
What size is the horizontal gutter if the slope is 1/8" per foot and the flow rate is 98 GPM?
6 inches
43
What is the minimum opening dimension for a scupper for a secondary roof drain?
4 inches
44
# Fill in the blank: Control devices for flow-controlled roof drain systems shall be protected \_\_\_\_\_\_.
by strainers
45
What is the minimum diameter for a storm or ground water sump pit?
18 inches