Chapter 6
What is the primary reason for installing backflow prevention assemblies?
To prevent pollution or contamination of the potable water supply
What is the maximum fixture unit loading allowed on a 2 inch waste stack is?
16
The developed length from the fixture outlet of a bar sink to the receptor shall not exceed____ feet
5
Horizontal 1/2 inch diameter steel fuel gas piping shall be supported at intervals not exceeding____feet
6
In what chapter does it talk about water supply?
Ch. 6
The duration for a water system pressure test shall be for a period of not less than
15 minutes
Cleanouts shall be designed to be
gastight and watertight
A standpipe for a clothes washer shall have a minimum and maximum length of?
18 inches to 30 inches
Concealed gas piping shall not be located in ?
Solid partitions
What section in Ch. 8 does it say "Female plastic screwed fittings shall be used with plastic male fittings and plastic threads"?
814.7
All backflow devices or assemblies shaft be tested by a ?
certified backflow assembly tester
A straight run of building sewer will require cleanouts at intervals not to exceed what?
100 feet
An indirect waste receptor shall not be installed in a?
Toilet room
When a flanged joint is opened, the gasket shall be?
Replaced
In Ch. 7 how many fixture units does a public water closet, greater than 1.6 GPF gravity tank have?
6
Water piping may be installed in the same trench with less than 12 inches of separation from a building sewer constructed of ?
cast iron
The minimum size discharge pipe from an ejector or pump in a single dwelling unit having a water closet connected thereto is?
2 inches
Water having a temperature above____ shall not be discharged under pressure directly into the drainage system.
140° F
Liquefied petroleum gas facilities shall comply with?
NFPA 58
What is the approximate gas input for a 50 gallon water heater?
50,000
Where potable water is discharged to the drainage system, it shall be by means of an approved air gap of two pipe diameters of the supply inlet, but in no case shall the gap be less than ____?
1 inch
(603.4.4)
What is the drainage fixture unit of a 2 inch trap and trap arm?
4 units
(table 702.2(1)
Indirect waste pipes exceeding ____ feet, but less than ____ feet in length shall be directly trapped, but such traps need not be vented.
5 feet, 15 feet
Pressure regulators shall be protected against?
physical damage
What is the maximum drainage fixture units of a 4 inch trap and trap arm?
8 units