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2012 IPC > Chapter 7 Waste > Flashcards

Chapter 7 Waste Flashcards

1
Q

Exposed soil or waste piping shall not be installed _______ any working ,storage or eating surfaces in a food service establishment.

A

Above. 701.9

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2
Q

2 1/2 inch or less horizontal drainage pipe shall slope a minimum of ______ inch per foot.

A

1/4 in. Table 704.1

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3
Q

The size of the drainage piping shall not be ________ in size in the direction of flow.

A

Reduced

A 4” x 3” water closet connection is okay. 704.2

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4
Q

Pipe-joint compound or tape shall be applied on the _______ threads only.

A

Male 705.12.1

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5
Q

All horizontal drains shall be provided with cleanouts located not more than_______ feet apart.

A

100ft
And at each change of direction greater than 45
708.3.1

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6
Q

Cleanouts shall be the same nominal size as the pipe they serve up to _______ inches.

A

4”

708.7

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7
Q

Cleanouts on 6” and smaller pipes shall be provided with a clearance of not less than ____ inches in front of the cleanout.

A

18”

708.8

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8
Q

The minimum trap size for unlisted fixtures shall be the size of the drainage outlet but not less than______ inches.

A

1 1/4 “

709.2

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9
Q

Sump pits shall be not less than ___ inches in diameter and 24 inches deep.

A

18 inch

712.3.2

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10
Q

A floor drain installed a public restroom with a 3” trap has a DFU of what?

A

5DFU’s

Table 709.1

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11
Q

The minimum size of a building drain or sewer that serve a water closet?

A

3 inch

Table 710.1(1) footnote

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12
Q

Where the finished floor level on which plumbing fixtures are installed is below the elevation of the manhole cover of the next upstream manhole,the fixtures shall be protected by a ______.

A

Backwater valve

715.1

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13
Q

When make a solvent cement joint on PVC pipe the primer shall be of what color?

A

Purple

705.8.2 ; 705.14.2

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14
Q

What valves shall be installed in the discharge of a sewage ejector pump ?

A

Check valve ; a full open valve

712.2

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15
Q

A sewage ejector discharge line that ties into a horizontal drainage line shall do ____ pipe diameters from any other connection and shall do so through a ___ fitting into the top of the drainage piping.

A

10 pipe diameters ; a wye fitting

712.3.5

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16
Q

The minimum size trap serving a shower shall be not less than ____.

A

1 1/2”

Table 709.1

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17
Q

The maximum waste water temperature that discharges into the drainage system?

A

140 degrees F

701.7

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18
Q

The DFU value for the discharge from a condensate pump is computed how?

A

1gpm equals 2DFU’s

709.3

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19
Q

Joints between borosilicate glass pipe and others of piping materials shall have what type of seal?

A

TFE ( Teflon)

705.19.6

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20
Q

When the DFU load of a fixture is not found in table 709.1 , how is the DFU load calculated?

A

By trap size

709.2 ; Table 709.2

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21
Q

The minimum slope that a 3 to 6 inch horizontal drainpipe may be installed is_____.

A

1/8 in/ft

Table 704.1

22
Q

Horizontal branches that connect downstream of the base of a stack shall connect not less than _____ downstream from the stack.

A

10 times the diameter of the stack

704.3

23
Q

Cast iron lead-chaulked joint for hub & spigot soil pipe shall be filled with molten lead not less than __ inch deep and not to extend more than ____ below the rim of the hub.

A 
1 inch(25mm); 1/8 inch (3.2mm)
705.5.1
24
Q

Cleanouts shall be installed at each change of direction of the building drain or horizontal waste or soil lines_______ and where more than one change of direction occur in a run of piping,only one cleanout shall be required for each ____ feet of developed length of the drainage line.

A

greater than 45 degrees; 40 feet

708.3.3

25
Q

All horizontal drains within a building shall be provided with cleanouts located not more than ______ feet apart.

A

100

708.3.1

26
Q

Sanitary tee pattern fittings shall be used in a drainage system when the flow of waste is________.

A

Horizontal to vertical

table 706.3

27
Q

Where a floor drain receives only clear-water from coolers and freezers, the floor drain is assigned value of _____ DFU’s.

A

1/2 a DFU

709.4.1

28
Q

A 4” diameter building drain installed with a slope of 1/4 inch per foot has a capacity of not more than how many DFU’S?

A

216 DFUs

Table 710.1(1)

29
Q

For a 2- inch horizontal branch drain less than 30 feet long,what is allowed to serve as a cleanout for the drain?

A

1 1/2 “ slip joint trap

708.7 Exception 1

30
Q

The DFU load from a clinical sink with a 3” trap is ___.

A

5DFUs

709.2 & Table 709.2

31
Q

A sump pump with a discharge of 10 GPM that discharges through a 2-inch indirect waste receptor has a DFU of ____.

A

20 DFUs

709.3

32
Q

A private bathroom with a 1.6 GPF toilet , lavatory ,bathtub,bidet and floor drain has a total DFU of____.

A

5 DFUs

Table 709.1 & 202

33
Q

The minimum size building drain serving a toilet is ___ inches.

A

3”

Table 710.1(1) Footnote A

34
Q

A vertical distance of ___ feet or more between the connection of horizontal branches to the drainage stack is a branch interval.

A

8 FEET

202

35
Q

In a building with a basement subdrain sump, what is prohibited from discharging to the sump?

A

drainage above the gravity sewer

712.1

36
Q

A ____ is not required for a sewage sump and ejector.

A

Pump alarm

712.2 & 712.3.2

37
Q

The ejector pump on float shall be set to prevent the effluent in the sump from rising to within ___ inches of the invent of the gravity drain inlet.

A

2”

712.3.4

38
Q

Sewage grinder pumps that receive the discharge of toilets shall have a minimum discharge of ___ inches.

A

1 1/4 “

712.4.2 exception 1

39
Q

What is the minimum required capacity of a 2” sewage ejector?

A

21 GPM

Table 712.4.2

40
Q

A ______ shall be vented to the atmosphere with a minimum 2” vent.

A

bedpan washer

713.9

41
Q

Which health care fixture is required to discharge through an air gap into an indirect waste receptor?

A

Bedpan steamer

713.3

42
Q

A fully open backwater valve shall have a flow capacity of ____ percent of the pipe served.

A

100%

715.4

43
Q

The air flow velocity of a central vacuum system shall be less than ____ FPM.

A

5000 Feet per minute

713.7.2

44
Q

A cleanout shall be provided at the base of each ____ stack.

A

Waste

708.3.4

45
Q

What is the minimum clearance required in front of a cleanout for a 2” drainage pipe?

A

18 inches

708.8

46
Q

The minimum size branch piping for one vacuum outlet is _____nominal pipe size.

A

1/2”

713.7.1

47
Q

The minimum size main piping for a central vacuum system is _____ nominal pipe size.

A

1”

713.7.1

48
Q

The local vent from a bedpan washer or sterilizer is prohibited from connecting to the __________.

A

Normal sanitary plumbing system

713.8

49
Q

Horizontal branch connections above or below vertical stack offsets within ___ feet and located more than four branch intervals below the top of the stack, the offset shall be vented in accordance with section 906.

A

2 feet

711.1

50
Q

Backwater valves shall be installed so that _____ is provided to the working parts for service and repair.

A

Access

715.5

2012 IPC (6 decks)

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