Chapter 7 Waste Flashcards by Robert Bouchelle

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

Above. 701.9

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

1/4 in. Table 704.1

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

Reduced

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

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

Male 705.12.1

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

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

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

4”

708.7

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

18”

708.8

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

1 1/4 “

709.2

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

18 inch

712.3.2

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

5DFU’s

Table 709.1

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

3 inch

Table 710.1(1) footnote

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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 ______.

Backwater valve

715.1

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

Purple

705.8.2 ; 705.14.2

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

Check valve ; a full open valve

712.2

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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.

10 pipe diameters ; a wye fitting

712.3.5

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

1 1/2”

Table 709.1

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

140 degrees F

701.7

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

1gpm equals 2DFU’s

709.3

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

TFE ( Teflon)

705.19.6

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

By trap size

709.2 ; Table 709.2

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

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1/8 in/ft

Table 704.1

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

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10 times the diameter of the stack

704.3

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.

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1 inch(25mm); 1/8 inch (3.2mm)
705.5.1

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.

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greater than 45 degrees; 40 feet

708.3.3

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

100 | 708.3.1

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

Horizontal to vertical | table 706.3

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

1/2 a DFU | 709.4.1

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?

216 DFUs | Table 710.1(1)

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

1 1/2 " slip joint trap | 708.7 Exception 1

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

5DFUs | 709.2 & Table 709.2

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

20 DFUs | 709.3

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

5 DFUs | Table 709.1 & 202

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

3" | Table 710.1(1) Footnote A

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

8 FEET | 202

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

drainage above the gravity sewer | 712.1

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

Pump alarm | 712.2 & 712.3.2

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.

2" | 712.3.4

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

1 1/4 " | 712.4.2 exception 1

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

21 GPM | Table 712.4.2

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

bedpan washer | 713.9

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

Bedpan steamer | 713.3

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

100% | 715.4

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

5000 Feet per minute | 713.7.2

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

Waste | 708.3.4

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

18 inches | 708.8

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

1/2" | 713.7.1

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

1" | 713.7.1

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

Normal sanitary plumbing system | 713.8

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.

2 feet | 711.1

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

Access | 715.5

Chapter 7 Waste Flashcards

(50 cards)