15.1 Sanitary

Question 1

Issue with open drainage channels?

Answer 1

Health issue - germs easily spread

Question 2

Rome 300 BC

Answer 2

Earliest covered sewer

Question 3

First Outhouses in US

Answer 3

Independence Hall

Question 4

3 Plumbing Codes

Answer 4

1. National Association of Masters Plumbers (First)
2. Standard Plumbing Code
3. National standard plumbing code

Question 5

Plumbing Elements

Answer 5

• Fixtures
• Sanitary Waste and Vent
• Cold and hot water
• Accessories
• Code
• Septic Code

Question 6

What’s a lavatory?

Answer 6

a sink

Question 7

What’s a water closet?

Answer 7

toilet

Question 8

Plumbing Fixtures?

Answer 8

• Architectural Statement
• Lavatory
• Water closet
  (Floor Mounted and Wall Mounted)
• Carriers
• Americans With Disability Act

Question 9

Contemporary fixtures uses _____ water than traditional fixtures.

Answer 9

Less

Question 10

How do Floor Mounted Toilets work?

Answer 10

Discharge through floor. Piping in ceiling below. Residential.

Question 11

How do Wall Mounted toilets work?

Answer 11

Discharge through rear of fixture. Raised above floor. Subject to damage. Commercial/Institutional.

Question 12

What’s a flush tank?

Answer 12

Small fill line - take time to fill the tank. Residential use.

Question 13

What’s a flush valve?

Answer 13

Discharge LARGE amount of water. Commercial use.

Question 14

What’s a carrier?

Answer 14

provide structural support for wall mounted toilet. Integrated pipe connections.

Question 15

What’s the difference between a drinking fountain and an electric water cooler?

Answer 15

Drinking fountain - warm drinking water

Electric water cooler - chilled with refigerator pump. ADA

Question 16

Who tests the Americans with Disability ACT for restrooms?

Answer 16

ADA. Must be compliant.

Question 17

What the radius for a wheelchair to turn in EVERY restroom?

Answer 17

5’

Question 18

Why are dimensions put into a family restroom?

Answer 18

To be wheelchair ADA accessiable

Question 19

What’s the purpose of a trap?

Answer 19

A liquid seal to seperate sewer gasses from room. Reduce odors from leaking.

Question 20

What’s the purpose of a S-trap?

Answer 20

hold a small amount of water in piping to reduce gases from being able to pass through.

Problem: Siphon

Question 21

What’s the purpose of a P-trap?

Answer 21

hole to vent at top to break siphon. Vent typically seen on roof of house.

Question 22

Three ways to vent:

Answer 22

1. admit air
2. discharge air
3. regulate pressure

Question 23

Vent through roof (VTR) must be ____

Answer 23

3” to prevent freezing (foggy mirror)

Question 24

What’s an air gap?

Answer 24

distance between flood rim and the fill of device.

Question 25

What's the purpose of a vacuum breaker?

Answer 25

Prevents back siphoning supply

Question 26

Uses of a vacuum breaker:

Answer 26

hose bibbs, flush valves, direct connections

Question 27

Why do hoses need a vacuum breaker?

Answer 27

prevent contamination of house water supply

Question 28

Open Waste (Indirect Drain)

Answer 28

A funnel drain that puts air gap between sewer and drain. Food service

Question 29

Backwater valve

Answer 29

when there's a sewage backup, the backwater valve will close and prevent sewer from getting into your home.

Question 30

Grease Interceptor

Answer 30

solids separate from grease. needed for food service.

Question 31

Sewage Ejector

Answer 31

capable of pumping solids. generally use 2.

Question 32

Waste/vent stack calculation

Answer 32

Look at notes.

Question 33

Septic

Answer 33

a tank that separates solid waste from liquids and that has bacteria that break down the solid waste

Question 34

What's a perc test?

Answer 34

a tank that separates solid waste from liquids and that has bacteria that break down the solid waste