Flashcards in Chapter 7 Waste Deck (50):
Exposed soil or waste piping shall not be installed _______ any working ,storage or eating surfaces in a food service establishment.
2 1/2 inch or less horizontal drainage pipe shall slope a minimum of ______ inch per foot.
1/4 in. Table 704.1
The size of the drainage piping shall not be ________ in size in the direction of flow.
A 4" x 3" water closet connection is okay. 704.2
Pipe-joint compound or tape shall be applied on the _______ threads only.
All horizontal drains shall be provided with cleanouts located not more than_______ feet apart.
And at each change of direction greater than 45
Cleanouts shall be the same nominal size as the pipe they serve up to _______ inches.
Cleanouts on 6" and smaller pipes shall be provided with a clearance of not less than ____ inches in front of the cleanout.
The minimum trap size for unlisted fixtures shall be the size of the drainage outlet but not less than______ inches.
1 1/4 "
Sump pits shall be not less than ___ inches in diameter and 24 inches deep.
A floor drain installed a public restroom with a 3" trap has a DFU of what?
The minimum size of a building drain or sewer that serve a water closet?
Table 710.1(1) footnote
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 ______.
When make a solvent cement joint on PVC pipe the primer shall be of what color?
705.8.2 ; 705.14.2
What valves shall be installed in the discharge of a sewage ejector pump ?
Check valve ; a full open valve
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
The minimum size trap serving a shower shall be not less than ____.
The maximum waste water temperature that discharges into the drainage system?
140 degrees F
The DFU value for the discharge from a condensate pump is computed how?
1gpm equals 2DFU's
Joints between borosilicate glass pipe and others of piping materials shall have what type of seal?
TFE ( Teflon)
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
The minimum slope that a 3 to 6 inch horizontal drainpipe may be installed is_____.
Horizontal branches that connect downstream of the base of a stack shall connect not less than _____ downstream from the stack.
10 times the diameter of the stack
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.
1 inch(25mm); 1/8 inch (3.2mm)
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.
greater than 45 degrees; 40 feet
All horizontal drains within a building shall be provided with cleanouts located not more than ______ feet apart.
Sanitary tee pattern fittings shall be used in a drainage system when the flow of waste is________.
Horizontal to vertical
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
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?
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 ___.
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 ____.
A private bathroom with a 1.6 GPF toilet , lavatory ,bathtub,bidet and floor drain has a total DFU of____.
Table 709.1 & 202
The minimum size building drain serving a toilet is ___ inches.
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.
In a building with a basement subdrain sump, what is prohibited from discharging to the sump?
drainage above the gravity sewer
A ____ is not required for a sewage sump and ejector.
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.
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?
A ______ shall be vented to the atmosphere with a minimum 2" vent.
Which health care fixture is required to discharge through an air gap into an indirect waste receptor?
A fully open backwater valve shall have a flow capacity of ____ percent of the pipe served.
The air flow velocity of a central vacuum system shall be less than ____ FPM.
5000 Feet per minute
A cleanout shall be provided at the base of each ____ stack.
What is the minimum clearance required in front of a cleanout for a 2" drainage pipe?
The minimum size branch piping for one vacuum outlet is _____nominal pipe size.
The minimum size main piping for a central vacuum system is _____ nominal pipe size.
The local vent from a bedpan washer or sterilizer is prohibited from connecting to the __________.
Normal sanitary plumbing system
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.