Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

KY Plumbing Code > Section 6- Water Supply and Distribution > Flashcards

Section 6- Water Supply and Distribution Flashcards

1
Q

Bateria and chemical quality of water supply shall comply with the department and

A

the Energy and Environment Cabinet
Dept of Environmental Protection
Division of Water KAR Title 401

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When is a cross connection between private and public water supplies allowed?

A

Never

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Which closed water devices would prompt the need for a thermal expansion tank installation and where

A

Single check valve-cold water supply near water heater
Backflow preventer-water distribution system
Pressure reducing valve w/out a bypass to a water heater-cold water line near water heater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What provides the best level of protection in all backflow situations

A

Air gap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Air gap is measured how

A

vertically from lowest end of potable water outlet to flood rim or line of fixture or receptacle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Minimum air gap shall be

A

twice the affective opening of potable water outlet
if outlet is less than 3x affective opening from wall or vertical surface, 3x the affective opening

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Minimum air gap for lavs and drinking fountains not greater than 1/2in

A

1in or if near wall 1.5in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Minimum air gap for sink, laundry tray gooseneck bath faucet, not greater than 3/4in

A

1 1/2 or if near wall 2.25in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Minimum air gap for bath filler not greater than 1in

A

2 or if near wall 3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Minimum air gap for greater than 1in

A

2x effective opening or if near wall 3x

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What provides best mechanical protection against backflow considered equivalent to an air gap?

A

Reduced pressure principle back pressure (RPZ)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Critical Level settings for Atmospheric Type Vacuum Breakers for cup beverage vending machines, lawn sprinklers, and steam tables vs everything else

A

12in above flood level vs 6in for everything else

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Use of a barometric loop is not acceptables as

A

primary back siphonage preventer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Backflow preventer shall be in

A

in an accessible location from within the same room as fixture or connection it protects
may be installed in a utility or service space
not installed in location subject to flooding or freezing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How often should an RPZ be tested?

A

once a year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Name and define the 3 degrees of hazard

A

Severe-potential for contamination by toxic substance or disease causing organism
Moderate-potential for contamination by nontoxic but objectionable substance
Mild-potential for contamination by nontoxic, non-objectionable substance but may cause consumer to question the quality

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Name some backflow preventers and there function with types of backflows and hazards.

A

RPZ-high hazard, backsiphonage and backpressure
Double check-low hazard, nontoxic, backpressure and backsiphonage
Dual check-low hazard, moderate flow requirement-post ground hydrant requirement
Dual check with atmospheric vent-moderate hazard, backpressure and backsiphonage
Lab faucet double check with vac breaker-moderate to low, backpressure and backsiphonage
AVB-atmospheric vacuum breaker-moderate to high hazard, 6in above fixture rim, backsiphonage only
PVB/SVB-moderate to high, 12in above overflow, backsiphonage only

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

A potable water opening outlet or connection, except _____, shall be protected against ________________

A

residential, backflow

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

A building used for habitation or occupancy shall be supplied with ____
A building used as residence or where people assemble or are employed ______ must be supplied

A

Potable water, both hot and cold water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Water service to a building shall

A

not be less than 3/4 of an inch
be of sufficient size to permit a continuous and ample flow of water to each fixture in the building

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Plastic or nonconductive piping for water service needs

A

insulated copper tracer wire installed adjacent to the piping, access provided to the tracer wire within the building at main supply control, be not less than 18 AWG and be suitable for burial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Underground water service pipe from main or water supply system to water distribution system shall not be

A

less than 5ft apart horizontally from the house sewer and seperated by undisturbed or compacted earth unless…
bottom of water service pipe is at least 18in above top of the sewer at its highest
(water pipe) place on solid shelf excavated at one side of the common trench
number of joints is kept to a minimum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

If water service pipe and sewer do intersect, _____shall be used on _______ extending _________. The sleeve shall be of __________ and must be _______ on each end.

A

a sleeve, water service pipe, 5ft on both sides of intersection, material approved for water pipe, sealed

24
Q

The water supply shall be distributed through a piping system ______ of another piping system.

A

Independent

25
Q

Nonpotable water piping rules

A
  1. piping used for any other purpose can’t be used for potable water
  2. nonpotable water can be used for flushing WC or urinal if piped independently
26
Q

If dual water distribution is used then nonpotable water must be and how

A

durably and adequately identified
outlet must have permanant posting:DANGER UNSAFE WATER
each branch, fitting, valve identified NON POTABLE WATER by sign or brass tag perm fixed
identifying marking not concealed and maintained by owner

27
Q

Hose connections other than those intended for ___________ shall be equipped with a _____________

A

clothes washers, frost proof burial hydrants, and water heater drain valve
vacuum breaker ASSE 1011 for nonfreezing areas and ASSE 1019 for freezing areas

28
Q

A plumbing fixtures shall be provided with a _______ supply of water for _________

A

sufficient, flushing to keep them in sanitary condition

29
Q

Tank of valves shall furnish at least __________________ to _________ of a water closet, urinal or similar fixture.

A

sufficient amount of water, thoroughly cleanse the surface area

30
Q

A water closet, urinal valve should have ______ and be installed ______ to prevent polluting potable water through backsiphonage

A

vacuum breaker, above the fixture

31
Q

A potable water connection to a boiler feed water where chemical is used shall be made how and where

A

through an air gap or a RPZ located in the potable water line before the point where the chemical is introduced

32
Q

a boiler shall be equipped with ________ in ______

A

check valve, cold water supply to boiler

33
Q

The orifice of a diring fountain shall be provided with ______ to prevent _____

A

a protective cowl, contamination of potable water supply

34
Q

Min size for water serve from property line to water heater shall be

A

3/4in

35
Q

hot and cold water piping shall extend 3/4in to

A

the first fixture branch

36
Q

Limit on how many 1/2 fixture branched supplied from one 1/2 pipe

A

3

37
Q

Concealed water branch pipe can be no less than what size

A

1/2in

38
Q

Branch pipe to a fixture shall not terminate more than _____from ______

A

30 from point of connection to the fixture

39
Q

Quick acting valve that causes noise due to water hammer, what should be installed and wher?

A

an air chamber or approved mech shock absorber as close as possible to the valve

40
Q

Mechanical shock absorbers should be installed how

A

in an accessible place and by manufacturer’s specification of location and method

41
Q

A joint in the water supply must be

A

screw, solder, or plastic joint

42
Q

Type M copper or brass tubing or stainless shall be

A

wrapped with an approved material to permit expansion or contraction

43
Q

PVC (water supply) shall not be used where

A

Below ground under a house or building

44
Q

If CPVC used for water supply under a house or building, it should be tested to at least ___ before ______

A

100PSI
backfilling

45
Q

Joint between ferrous piping and copper shall be made with

A

a dialectic fitting or other insulated fitting

46
Q

A shower compartment or shower bath shall installed with a

A

temperature or pressure balance device

47
Q

Main shutoff shall be provided where on the water service pipe

A

near the curb, in or near the meter box or property line

48
Q

Main supply control valve shall be

A

a full port valve, accessible from within the occupied space, and provided with drip or drain valve

49
Q

Potable water supply shutoff should not be in

A

a pit or similar installation

50
Q

A family unit in a 2 family or multi family dwelling should be arranged with shutoff as to

A

shutoff one unit to be shutoff without interfering with supply of another unit or portion of the building

51
Q

A fixture or group of bath fixtures shall be valved as well as ____________. In residential construction each ______ except _______ shall be valved __________

A

a lawn sprinkler opening, fixture, tub or shower, individually or as a group of fixtures

52
Q

A group of fixtures shall include ________

A

2 or more fixtures adjacent to or near each other in the same room or back to back on a common wall

53
Q

Cold water to hot water storage tank or water heater shall be provided with a shutoff valve located ________

A

near the equipment, in residential- placed within 3ft of the water heater and accessible from accessible side of the heater

54
Q

A water service shall be installed at what depth

A

30in

55
Q

A _________ shall be installed on a pneumatic water system.

A

relief valve

56
Q

A private water supply or source shall be __________ and ______ shall be obtained from ____________ prior to using it.

A

protected from pollution
approval
the division

57
Q

With an exception, a fire protection system using water from the potable water distribution system shall be equipped with

A

2 check valves, 1 of which may be an alarm check valve

KY Plumbing Code (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions