Plumbing Code - Potable Water +

Front 1

In a Hot water distribution system of developed lenght of > _______m or supplying > ______floors

require?

Back 1

More then 30m or more then 4 stories

- Must have a Recirculation or

- A Self-regulating heat tracing system.

Front 2

2.6.1.2

A water distribution system SB installed so that the system can be drained or

Back 2

blown out with air

Front 3

Every water service pipe shall be provided with an accessibel shut-off valve located as close as possible to where the water service pipe enters the building

Back 3

yes

Front 4

Every pipe that conveys water from a gravity

water tank or from a private water supply system shall be fitted wiht a shut-off value at the source of supply

Back 4

Yes

Front 5

Every riser shall be provided with a shut-off valve located at the source of supply, Except

Back 5

For risers that serve only one dwelling unit.

Front 6

Shut-off valves are required for what 4 fixtures?

Back 6

- Every WC

- Every Hose bib

- Supply for HW Tank

- Main supply

Front 7

In a building of residential occupancy that contain > 1 dwelling unit, a shut-off be installed where the water supply enters each dwelling unit

so:

Back 7

That when waer supply to 1 suite is cut off, the remainder of building is not interrupted.

Front 8

In Building of other then residential, shut-off valves SB provided on the water to"

Back 8

- Every Fixture

- Any group of fixtures in the same room, except as provided in Sentence 4 that states

- Every WC need a shut-off

Front 9

Every pipe that passes through an exterior wall to supply water to the exterior of the building SB

provided with:

Back 9

- A frost-proof hydrant, or

- A stop & wate cock located inside bold& close to the wall.

Front 10

2.6.1.5

A check valve SB installed at the building end of a water service pipe where the pipe is made of ....

Back 10

plastic that is suitable for cold water only

Front 11

Where a manually operated flushing device is installed it shall serve only one fixture

Back 11

True

Front 12

Every Hot Water tank of a storage-type service water heater SB equipped with a

Pressure- relief valve and Temp- relief-valve,

wether one unit or combined,

Back 12

- Pressure- relief valve that Opens when water pressure equals tanks working pressure &

located so presssure shall not exceed the

Pressure of the Relief valve by > 35kPa under Sit

- Temperature- relief valve with a temperature sensing element, located in the top 150mm.

- Designed to discharge enough water that temp

ever exceeds 99 C.

Front 13

Do Indirect service water heaters need

PRV or TRV?

Back 13

You bet both.

Front 14

Every pipe that conveys water from a Temp R,

Pressure-relief or combined TP relief Shall

Back 14

- Be = size to outlet, be ridge, sloop downward & terminate indirectly above the FD, sump, or other safe location, with a AIR Break not > 12' or (300mm)

- No tread and good with temps of 99C

Front 15

A vacuum-relief SB installed when any tank maybe subject to back-siphonage

Back 15

Corroct

Front 16

No shut-off valve shall be installed on the pipe between any tank and the relief valves or on the discharge lines from such relief valves.

Back 16

Remember the wording, no permission will ever be given so don't get fooled

Front 17

A storage-type service water heater located in a ceiling/roof space, or over a floor of wood

construction SB

Back 17

installed within a corrosion-resistant watertight drain pan as follows:

- not < then 50mm larger than the tank & have side walls not less then 25mm high.

- Drained by 2 sizes largerthen the RV discharge pipe and have a drain the discharges directly to a FD

Front 18

A water service for a Mobile Home shall

Back 18

- Not be < 3/4

- Terminate above ground with

Tamperproof terminal easy connect/disconnect

On a protective concrete pad, means to protect

from frost heave.

A curb stop & means of draining that part of the pipe located above the frost line when not in use.

Front 19

Protectioin against thermal expansion SB required when check valve is required by 2.6.1.5

(2.6.1.5 - check valve req at end of water service pipe where plastic is used and only suitable for cold water)

Back 19

A backflow preventer by 2.6.2.6 (premise isolation) or a

Pressure-reducing valve by 2.6.3.3 (pressure over 550)

Front 20

Service Water Heaters

Thermostat controls for electric storage-type

service water heaters SB set at a temperature of

____oC

Back 20

60 C or 140F

Front 21

A water treatment device S Not be installed unless it can be demonstrated that the device will not introduce substances into the system that may endanger health.

Back 21

Correct, provision must always be made that non-potable water is never introducted to the potable water system

Front 22

Back-Siphonage

Potable water connections to fixture, tanks, vats or other devices not subject to pressure above atmospheric & containing other that potable water SB installed so as to prevent Back-siphonage

By means of:

Back 22

- An Air Gap

- Atmospheric

Front 23

Potable water systems connections to Fire sprinkler & standpipe systems SB protected against Backflow, Back-siphonage or Back-pressure by:

`

Back 23

- Residential, potable by Dual Check.

- Class 1, potable by Single Check

- Class 1-3, potable by Double check

- Class 1-4, with antifreeze RP

- Class 4&5 with RP

- Class 6 with DCVAF, or RP

Front 24

Backflow preventers SB installed:

Back 24

UP Stream of the Fire Deptment pumper connection.

Front 25

Where an RP is required on a water service pipe at a fire service connection located on the same premise as the fire service pipe in class 3-6 and RP shall______

Back 25

Shall also be required on the fire service connection

Front 26

What is Premise Isolation?

Back 26

For building/facilities where a potentially severe health hazard maybe caused by Backflow, the Potable water system SB provided with

Premise Isolation by the installation of an RP

Front 27

A newly installed part of a Potable water system SB cleaned & then flushed with Potable water before the system is put in operation

Back 27

Of course

Front 28

Where should an AIR Gap not be?

Back 28

An Air Gap should Not be located in a noxius environment.

- Every Air Gap SB not < 25mm high and at lease twice the diameter of the opening of the water supply outlet in height.

Front 29

What is the Critical level of the Atmospheric

Vacuum breaker, if I can't see where it is marked?

Back 29

- Critical level SB taken as the Lowest point on the device.

Front 30

Atmospheric Vacuum breaker SB located on the

downstream side of the Fixture Control Valve or Faucet so it is only subject to water supply pressure when:

Back 30

- Only when the valve or faucet is open and

- For periods of continuous use not > 12 hours.

Front 31

Atmospheric & Pressure Vacuum Breakers need

to be installed so the the Critical Level is at least:

Back 31

- Pressure Vacuum breaker:

Critical Level is not < 300mm (12")

- Atmospheric Vacuum breaker:

Critical Level is not < 25mm (1")

Above

- FLR of a fixture or tank

- Highest point open to atmosphere in an

irrigation system.

Front 32

Tank type Water Closets SB provided with a Back-siphonage preventer

Back 32

- Atmospheric Vacuum breaker, located on thedownstream side of the Fixture Control Valve or Faucet so it is only subject to water supply pressure when:

- Only when the valve or faucet is open and

- For periods of continuous use not > 12 hours.

Front 33

No bypass piping or other device capable of reducing the effectiveness of a Backflow preventer SB installed in a water supply system

Back 33

Correct

Front 34

Every water distribution system shall be designed to provide PEAK demand flow when the flow pressures at the supply openings conform to the plumbing supply fitting manufacturers specifications;

Back 34

YES.

Potable water systems SB designed, fabricated & installed in accordance with good engineering practice.

Front 35

Water Supply, Hydraulic Load Tables:

Can you name any?

Back 35

- 2.6.3.2.A, fixture units SB fixture unit used.

- Where not in 2.6.3.2.A use 2.6.3.2.D

- Where fixtures are both H & C the HL for maximum separate demands SB 75% of 2.6.3.2. A & D

- HL of Urinals & WC use 2.6.2.B & C

Front 36

Where the statice pressure at any fixture may exceed ________kPa, a pressure-reducing valve SB installed to limit the max static pressure to _____

Back 36

550 kPa, 80 psi

Front 37

Every Water Service Pipe SB sized to Peak demand flow but SB not less then?

Back 37

Not less than 3/4"

Front 38

The size of a supply pipe that serves a Fixture shall conform to T 2.6.3.2.A, Except:

Back 38

For fixtures listed in 2.6.3.2.A, that have a permitted supply pipe size of 3/8", A connector not > 750mm long & not < 6.3 inside diameter maybe used to supply water to the fixture.

Front 39

No water system between the Connection with the Water Service or the Water Meter & the 1st Branch supplying a Water Heater, serving > 1

fixture SB less then?

Back 39

3/4"

Front 40

Where both H & C water is supplied to fixtures in a Residential Bld containing 1 or more dwelling Units/Row blocks with separate water service pipes, the water system may be sized by 2.6.3.4

where:

Back 40

- Hydraulic loads for Max separate demands on water distribution system piping are not < 100% of the total HL of the FU given in T 2.6.3.2.A-D for private use.

- Min water pressure at the entry to the bld is 200kPa and the total Max length of water system is 90m

Front 41

An outlet from a Non-potable water system Shall NB located where is can discharge into:

Back 41

- A Sink or Lav

- Fixture into which an outlet from a potable

water system is discharged, or

- Fixture used for preparation, handling or

dispensing of food drink, intended for human consumption.

Front 42

Non-potable water systems Shall Only be used

to supply WC, urinals and Directly connected

underground irrigation systems that only dispense water below the surface of the ground.

Back 42

Correct, No above ground irrigation.