Code Prep Flashcards
The minimum height of water column allowed for testing underground drains is _______.
10’
Shield plates used to protect pipes passing through the top or bottom plate of a wall must extend a minimum of ______ inches below the top plate or above the bottom plate.
2”
When using air to test a part or all of a drainage system, air shall be pumped into the piping until there is a sufficient pressure to balance a ______ inch column of water column.
10’
Piping under a slab must be a minimum of ______ inches deep.
No required depth
A wood “oor joist cannot be notched on top or bottom more than _____ of its depth. Where can it NOT be notched?
1/6, middle 1/3 of the joist
Opening made in walls or floors for the installation of pipe shall be seals by the use of ______ or ________
Caulk or casketing materials
Horizontal Polypropylene Pipe that is 1-1/2 inch in diameter requires a hanger every _______ft.
4 ft
When sleeves are installed to allow pipes to pass through walls or foundations, the annular space between the pipe and sleeve must be ______ in an approved
Sealed
Air may be used to test a copper potable water system or any part thereof if ________.
If the pressure is not less than 50 PSI
A test gauge used on a low- pressure test (10 PSI and below) must show pressure such that each mark on the dial represents
0.1
A partition wall stud cannot be notched more than ______% of its depth. It cannot be bored more than ______% of its depth.
40% / 60%
If you used air to test a drain line, the pressure gauge would have to read ______ PSI and the test would last _______ minutes.
5 PSI and 15 minutes
A wood joist cannot be bored more than ________ of its depth and the hole shall be not closer than ______ to the edge.
d. 1/4, 1.5”
The diameter of sleeves used to protect pipes passing through foundations, “oors or walls shall not be less than ______ than the pipe protected
2 pipe sizes larger
If soft materials of poor load bearing qualities are found at the bottom of the trench, stabilization shall be achieved by over excavating a minimum ________ and backfilling to the installation level of the bottom of the pipe with #ne gravel, crushed stone or concert
a concrete foundation.
If soft materials of poor load bearing qualities are found at the bottom of the trench, stabilization shall be achieved by over excavating a minimum ________ and backfilling to the installation level of the bottom of the pipe with #ne gravel, crushed stone or a concrete foundation.
2 pipe diameters
Potable water service lines must be buried a minimum of _____ inches below the frost line and not less than ______ inches below grade.
6 in minimum and not less that 12 in below grade
Bathtubs, showers, and lavatories are not required to be connected to the sanitary drainage system if they are connected to a _____________ system.
c. Grey water
A vertical 6” cast-iron pipe that runs from the bottom “oor to the seventh “oor of a building. There is a distance of 14ft between the #rst and second and third “oors, of 12ft between all other “oors would require _______ pipe hangers or supports?
Outside drainage
5 pipe hanger
Strainer plats installed on drain inlets shall not have an opening greater than _______.
1/2 inch
Pipes passing through concrete or cinder block must be protected by protective sheathing or wrap with a minimum wall thickness of ______ inch
0.025
