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// CODE SNIPPET

Section 305 Protection of Pipes and Plumbing System Components

Plumbing Code 2015 of Utah > 3 General Regulations > 305 Protection of Pipes and Plumbing System Components
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305.1 Corrosion

Pipes passing through concrete or cinder walls and floors or other corrosive material shall be protected against external corrosion by a protective sheathing or wrapping or other means that will withstand any reaction from the lime and acid of concrete, cinder or other corrosive material. Sheathing or wrapping shall allow for movement including expansion and contraction of piping. The wall thickness of the material shall be not less than 0.025 inch (0.64 mm).

305.2 Stress and Strain

Piping in a plumbing system shall be installed so as to prevent strains and stresses that exceed the structural strength of the pipe. Where necessary, provisions shall be made to protect piping from damage resulting from expansion, contraction and structural settlement.

305.3 Pipes Through Foundation Walls

Any pipe that passes through a foundation wall shall be provided with a relieving arch, or a pipe sleeve pipe shall be built into the foundation wall. The sleeve shall be two pipe sizes greater than the pipe passing through the wall.

305.4 Freezing

Water, soil and waste pipes shall not be installed outside of a building, in attics or crawl spaces, concealed in outside walls, or in any other place subjected to freezing temperatures unless adequate provision is made to protect such pipes from freezing by insulation or heat or both. Exterior water supply system piping shall be installed not less than 6 inches (152 mm) below the frost line and not less than 12 inches (305 mm) below grade.

305.4.1 Sewer Depth

Building sewers that connect to private sewage disposal systems shall be installed not less than [NUMBER] inches (mm) below finished grade at the point of septic tank connection. Building sewers shall be installed not less than [NUMBER] inches (mm) below grade.

305.5 Waterproofing of Openings

Joints at the roof and around vent pipes shall be made water tight by the use of lead, copper, galvanized steel, aluminum, plastic or other approved flashings or flashing material. Exterior wall openings shall be made water tight.

305.6 Protection Against Physical Damage

In concealed locations where piping, other than cast-iron or galvanized steel, is installed through holes or notches in studs, joists, rafters or similar members less than 11/2 inches (38 mm) from the nearest edge of the member, the pipe shall be protected by steel shield plates. Such shield plates shall have a thickness of not less than 0.0575 inch (1.463 mm) (No. 16 gage). Such plates shall cover the area of the pipe where the member is notched or bored, and shall extend not less than 2 inches (51 mm) above sole plates and below top plates.

305.7 Protection of Components of Plumbing System

Components of a plumbing system installed along alleyways, driveways, parking garages or other locations exposed to damage shall be recessed into the wall or otherwise protected in an approved manner.
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Related Code Sections


Section 305 General Regulations, Protection of Pipes and Plumbing System Components
in a plumbing system shall be installed so as to prevent strains and stresses that exceed the structural strength of the pipe. Where necessary, provisions ...
Plumbing Code 2018 of Utah > 3 General Regulations > 305 Protection of Pipes and Plumbing System Components
Section 305 General Regulations, Protection of Pipes and Plumbing System Components
inch (0.64 mm). Piping in a plumbing system shall ...
Plumbing Code 2015 of Utah > 3 General Regulations > 305 Protection of Pipes and Plumbing System Components
305.3 General Regulations, Pipes through foundation walls
Any pipe that passes through a foundation wall shall be provided with a relieving arch, or a pipe sleeve pipe shall be built into the foundation wall ...
Plumbing Code 2018 of Utah > 3 General Regulations > 305 Protection of Pipes and Plumbing System Components > 305.3 Pipes through foundation walls
305.3 General Regulations, Pipes Through Foundation Walls
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305.2 General Regulations, Stress and strain
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Plumbing Code 2018 of Utah > 3 General Regulations > 305 Protection of Pipes and Plumbing System Components > 305.2 Stress and strain
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