| (B) demonstrate an understanding of degree of hazard
such as toxic, nontoxic, polluted, and contaminated; and
(C) demonstrate an understanding of cross connection
protection such as air gap, reduced pressure zone backflow preventer,
double check valve assembly, pressure type vacuum breaker, and atmospheric
type vacuum breaker.
(13) The student understands and applies how to size,
install, and test a natural gas system according to plumbing code.
The student is expected to:
(A) identify the factors involved in sizing a natural
gas system; and
(B) size, install, and test a natural gas system using
carbon steel pipe and corrugated stainless steel tubing.
(14) The student understands how to size, install,
and test a drain waste and vent (DWV) system according to plumbing
code. The student is expected to:
(A) identify different types of DWV fittings and their
use;
(B) size a DWV system;
(C) identify and apply different materials used for
a DWV system;
(D) determine slope of a pipe using formulas;
(E) demonstrate an understanding of how to test a DWV
system; and
(F) demonstrate an understanding of the different parts
and their purpose of a DWV system such as stacks, vents, traps, building
drain, and building sewer.
(15) The student understands different types of water
heaters, water heaters parts, and their proper installation according
to plumbing code. The student is expected to:
(A) demonstrate an understanding of storage tank (electric
and gas), point of use, on demand (electric and gas), and solar water
heaters;
(B) demonstrate an understanding of parts of the different
heaters; and
(C) demonstrate an understanding of the installation
of a gas and electric water heater.
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