060102B Fixture Traps, Individual Vents & Roof Terminals By Jcw

Front 1

What size traps can a 1 1/4" vent pipe vent?
1 1/2"?
2"?

Back 1

1 1/4" Vent = 1 1/4" & 1 1/2" Trap

1 1/2" Vent = 2", 3", 4" Trap

2" Vent = +5" Trap

Front 2

The maximum distance between the vent and the trap is measure from the _______ to the _______

Back 2

Trap weir
vent pipe fitting

Front 3

What is the maximum allowable drop on a horizontal drain and the vent pipe connection?

Back 3

The diameter of the trap arm

Front 4

What is the minimum distance between the vent and the trap?

Back 4

Twice the diameter of the trap arm

Front 5

What is the maximum allowable vertical distance between the fixture and the trap by Canadian code? By Alberta amendment?

Back 5

Canadian code - 48" (1200mm)

Alberta Amendment - 36" (900mm)

Front 6

What is a fixture drain now called if it drains through one complete story

Back 6

Waste or Soil Stack, depends what it is draining

Front 7

A flat vent is a trade name for what kind of vent?

Back 7

It requires a cleanout

Front 8

Why is the continuous waste and vent principle connection considered the best arrangement for venting?

Back 8

Because waste water doesn't enter the vent pipe

Front 9

If your trap is self-siphoning, why might that be happening?

Back 9

Trap is too far below the fixture

Front 10

Why would you have to put a 3" stack vent in a residence even though you could put in a smaller stack vent due to low hydralic loads

Back 10

Because the National Plumbing Code of Canada says it requires it

Front 11

What is the minimum size trap for a lavatory?
kitchen sink?
shower/tub?

toilet?
lanudry trap?
lanudry stand pipe?

Back 11

1 1/4" trap - Lavatory
1 1/2" trap - Kitchen sink, shower, tub,
2" trap - lanudry stand pipe

3" trap - toilet

Front 12

Why should the vent pipe roof flashing be compartible with the vent pipe?

Back 12

To avoid electro-chemical corrosion

Front 13

What is the primary function of a trap?

Back 13

To keep sewer gas from entering into a building

Front 14

What is the minimum trap seal depth?

Back 14

1 1/2"

Front 15

What is the minimum size trap if it serves two lavatories

Back 15

1 1/2"

Front 16

What would happen if the fall on a trap arm was more than one pipe diameter?

Back 16

Self-siphoning

Front 17

If your fixture has trap seal blowouts, what problem is occuring?

Back 17

Back pressure is forcing the trap water back up the fixture outlet pipe, due to partial blockage of the drain