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1
Q

What does Chapter 401 govern?

A

The materials and installation of plumbing fixtures, including faucets and fixture fittings.

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2
Q

What are the required characteristics of plumbing fixtures according to Section 401.2?

A

Constructed of dense, durable, non-absorbent materials with smooth, impervious surfaces, free from unnecessary concealed fouling surfaces.

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3
Q

What is the maximum water consumption for kitchen faucets in new buildings?

A

1.8 gpm at 80 psi.

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4
Q

Fill in the blank: The flow rate for lavatory faucets other than residential is _______.

A

0.5 gpm at 60 psi.

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5
Q

What does the EPA WaterSense Tank-Type Toilet Specification require?

A

Water closets to meet specific water consumption standards.

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6
Q

True or False: Remote locations for water closets are defined as being less than 30 feet upstream of the nearest drain line connections.

A

False.

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7
Q

What is the minimum clear space required in front of a water closet?

A

24 inches (610 mm).

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8
Q

What types of materials are acceptable for securing floor-mounted fixtures?

A

Screws or bolts of copper, copper alloy, or other equally corrosion-resistant material.

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9
Q

What is the maximum flow rate for kitchen faucets during temporary increases?

A

2.2 gpm at 60 psi.

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10
Q

What should be ensured where a fixture comes in contact with a wall or floor?

A

The joint shall be made watertight.

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11
Q

List the materials acceptable for flanged fixture connections.

A
  • Copper alloy
  • Hard lead
  • ABS
  • PVC
  • Iron
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12
Q

Fill in the blank: Wall-hung fixtures must be supported by _______ to prevent strain on connections.

A

metal supporting members.

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13
Q

What diameter should closet rings (closet flanges) for water closets approximately be?

A

7 inches (178 mm).

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14
Q

What is the spacing requirement for urinals from a side wall?

A

12 inches (305 mm).

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15
Q

What should the connections between drainage pipes and fixtures be made with?

A

Approved materials and designed to accommodate an adequately sized gasket.

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16
Q

True or False: The clear space in front of water closets and bidets in dwellings must be at least 21 inches.

A

True.

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17
Q

What is the maximum flush volume for urinals according to the specifications?

A

0.25 gallons/cycle.

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18
Q

What type of supports must floor-affixed supports for off-the-floor plumbing fixtures comply with?

A

ASME A12.6. IM.

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19
Q

What materials are acceptable for closet rings (closet flanges)?

A
  • Copper alloy
  • Copper
  • Hard lead
  • Cast-iron
  • Galvanized malleable iron
  • ABS
  • PVC
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20
Q
A
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21
Q

What is the required surface for public shower floors?

A

Nonskid surface

Floors must be designed to prevent slipping to ensure safety.

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22
Q

What is the minimum slope required for gutters in public shower rooms?

A

2 percent toward drains

This slope is necessary for effective drainage.

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23
Q

What is the maximum distance between drains in public shower rooms?

A

16 feet (4877 mm) apart

Drains must be spaced for adequate drainage.

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24
Q

Where should control valves and showerheads be located in shower compartments?

A

On the sidewall

They should not discharge directly at the entrance.

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25
What is the minimum diameter for waste outlets in bathtubs?
1½ inches (40 mm) ## Footnote This is essential for proper drainage.
26
What is the maximum hot water temperature for bathtubs and whirlpool bathtubs?
120°F (49°C) ## Footnote This temperature is regulated to prevent scalding.
27
What must be provided for backflow protection in bathtubs?
An air gap or compliance with Section 417.0 ## Footnote This prevents contamination of the water supply.
28
What should be the access location for whirlpool pump in crawl spaces?
Not more than 20 feet (6096 mm) from an access door ## Footnote This ensures easy maintenance access.
29
What is the maximum hot water temperature for bidets?
110°F (43°C) ## Footnote Similar regulations as for bathtubs apply to ensure safety.
30
What must the water supply to a bidet comply with for backflow protection?
An air gap or compliance with Section 603.3.2, 603.3.5, or 603.3.6 ## Footnote This is crucial for preventing contamination.
31
What is the maximum water consumption for water closets per flush?
1.6 gallons (6.0 Lpf) ## Footnote This standard helps conserve water.
32
What type of water closet seats are required for public use?
Elongated type or open front type with a dispenser ## Footnote These designs accommodate a wider range of users.
33
What is the effective flush volume for dual flush water closets defined as?
Composite average flush volume of two reduced flushes and one full flush ## Footnote This definition is important for water conservation standards.
34
True or False: Bathtubs and whirlpool bathtubs must comply with ASME standards.
True ## Footnote Compliance with ASME standards ensures safety and reliability.
35
Fill in the blank: Water closet bowls for public use shall be of the _______ type.
elongated ## Footnote This design is preferred for comfort and usability.
36
What is the requirement for flexible PVC hoses and tubing in whirlpool systems?
Must comply with IAPMO ZI033 ## Footnote This ensures safety and performance standards.
37
38
What standards must urinals comply with?
ASME AL12.19, CSA B45.1, ASME A112.19.19, CSA B45.5/APMO Z124
39
What is the maximum average water consumption for urinals?
0.5 gallons (1.9 L) per flush
40
What is required for nonwater urinals?
A liquid barrier sealant to maintain a trap seal
41
What must be installed upstream of nonwater urinals?
At least one water supplied fixture rated at not less than 1 water supply fixture unit (WSFU)
42
What is the purpose of the water distribution line rough-in for nonwater urinals?
To allow for the installation of an approved backflow prevention device in the event of a retrofit
43
Which standard do nonwater urinals with drain cleansing action comply with?
ASME A112.19.19
44
What type of backflow protection is required for urinals?
An approved-type vacuum breaker or other approved backflow prevention device
45
What plumbing fixtures require a flushing device?
Water closet, urinal, clinical sink, or other plumbing fixture that depends on trap siphonage
46
What must flushing devices comply with?
Antisiphon requirements in accordance with Section 603.5
47
What standards do flushometer valves and tanks need to comply with?
ASSE 1037/ASME A112.1037/CSA B125.37
48
How many urinals can a manually controlled flushometer valve flush?
No more than one urinal
49
What must flush tanks for manual flushing be equipped with?
A flush valve that complies with ASME A112.19.5/CSA B45.15 and an antisiphon fill valve
50
What is required for the water supply for flush tanks?
An adequate quantity of water to flush and clean the fixture served
51
What must flush tanks be provided with to prevent flooding?
Overflows discharging into the connected water closet or urinal
52
What standards must domestic dishwashing machines comply with?
UL 749
53
What standards must commercial dishwashing machines comply with?
NSF 3 and UL 921
54
What type of backflow protection is required for commercial dishwashing machines?
An air gap or a backflow prevention device
55
What is the drainage connection requirement for domestic dishwashing machines?
Discharge through an air gap fitting or into a waste receptor
56
What is the application requirement for drinking fountains?
Self-closing and comply with ASME A112.19.1/CSA B45.2 or other specified standards
57
Where must drinking fountains not be installed?
In toilet rooms
58
What must emergency eyewash and shower equipment comply with?
ISEA Z358.1
59
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Plumbing Fixtures & Fixture Fittings (1 decks)

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