Plumbing Code (Part 5) | Master Plumber Licensure Exam Refresher

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Summary

This video, part 5 of a master plumber licensure exam refresher, covers various aspects of plumbing codes, including required valves, definitions, pipe materials, installation rules, and testing standards. It provides a question-and-answer format to review key regulations.

Highlights

Required Valve for Water Supplied Appliances00:00:20

A control gate valve is required ahead of each water supplied appliance, slip joints, or supply piping for non-metallic fixtures and appliances.

Non-Potable Water Line Warning00:01:41

Each outlet on a non-potable water line that could be used for drinking or domestic purposes must be posted with a 'DANGER: UNSAFE WATER' sign.

Water Closet/Bidet Clearance00:02:03

No water closet or bidet shall be set closer than 0.375 meters from its center to any sidewall or obstruction.

Maximum Manhole Distance00:03:02

The maximum distance between manholes should not exceed 91 meters.

Threaded Plastic Pipe Wall Thickness00:03:18

Threaded plastic pipe shall have a minimum wall thickness of Schedule 80.

Plumbing Fixture Drainage00:03:36

Where practicable, all plumbing fixtures shall be drained into the public sewer or private sewage disposal system by gravity.

Maximum Lead Content in Water Pipes00:04:32

The maximum lead content allowed in pipes used to convey potable water is 8%.

Definition of Horizontal Pipe00:04:49

A pipe that makes an angle of more than 45 degrees from the vertical axis is considered a horizontal pipe.

Water Closet Fixture Units for Septic Tank Sizing00:05:45

Water closets should be computed as 6 fixture units when used in determining septic tank size.

Yoke Vent Connection Levels00:06:05

Yoke vents should connect at every fifth floor level.

Individual Vent Diameter00:06:21

The diameter of an individual vent shall not be less than 32 mm nor less than half the diameter of the drain it connects to.

Definition of Plumbing Code00:00:41

A plumbing code is a set of regulations adapted by an administrative agency with jurisdiction over materials and design specifications in plumbing.

Definition of Insanitary00:01:04

The term 'insanitary' refers to conditions that are contrary to sanitary principles or injurious to health.

Permitted Use of CPVC Water Pipe00:01:22

CPVC water pipes may be used for hot and cold water distribution systems within a building.

Public Sewer Availability00:02:22

A public sewer may be considered unavailable if it is more than 61 meters from the proposed building.

Plumbing Permit Renewal Fee00:02:43

In case of renewal of a plumbing permit, half of the original amount shall be paid.

Sud-Producing Fixtures/Appliances00:03:56

All listed options (dishwashers, washing machines, etc.) are considered sud-producing fixtures or appliances.

Prohibited Water Piping Material00:04:14

Asbestos is specifically not listed in the plumbing code for use in water piping.

Minimum Head of Water for Hydrostatic Test00:05:08

The minimum head of water in conducting a hydrostatic test is 3 meters.

Vacuum Breaker Installation Height00:05:24

Atmospheric vacuum breakers for water closets and urinal flushometer valves shall be installed at least 152 mm above the overflow rim.

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