Revised Plumbing Code of 1999 Quiz

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Questions and Answers

What is the primary purpose of a plumbing vent system?

To provide air circulation in the drainage pipes (correct)

To maintain the structural integrity of the plumbing system

To dispose of building sewage through a septic tank

To prevent backflow of sewage into the building

Which of the following is a common method for disposing of building sewage when there is no sewer system available?

Discharging it directly into a nearby waterway

Allowing it to soak into the ground

Providing a septic tank for sewage treatment and disposal (correct)

Installing a water-sealed trap in the drainage system

What is the purpose of a water-sealed trap in a plumbing system?

To prevent backflow of sewage into the building

To provide air circulation in the drainage pipes

To maintain the structural integrity of the plumbing system

To prevent sewer gases from entering the building (correct)

What type of plumbing professional is responsible for maintaining the plumbing system in serviceable condition?

Registered Master Plumber Signup and view all the answers

Which of the following is a common component of a plumbing system?

Fuel gas piping system Signup and view all the answers

What is the purpose of a vent terminal in a plumbing system?

To ensure proper air circulation and ventilation in the drainage pipes Signup and view all the answers

What type of materials should all piping be made of?

NAMPAP-APPROVED materials Signup and view all the answers

Why should drainage pipes be designed to provide adequate air circulation?

To prevent siphonage and aspiration Signup and view all the answers

What should vent terminals be installed to prevent?

Clogging and foul air return Signup and view all the answers

Why are plumbing systems subjected to tests?

To identify leaks and defects Signup and view all the answers

What should each fixture connected to the drainage system be equipped with?

A water-sealed trap Signup and view all the answers

How should substances that will interfere with the sewage-disposal process be treated?

They should not enter the building drainage system Signup and view all the answers

What type of material should plumbing fixtures be made of?

Smooth, non-absorbent material Signup and view all the answers

What is the purpose of having ventilated enclosures for plumbing fixtures?

To ensure proper air circulation and ventilation Signup and view all the answers

What type of water supply is required for all premises intended for human use or habitation?

Purified and disinfected water Signup and view all the answers

What is the purpose of water-sealed traps in the plumbing system?

To prevent backflow and back-siphonage Signup and view all the answers

What is the purpose of vent terminals in the plumbing system?

To ensure proper air circulation and ventilation Signup and view all the answers

What is the purpose of testing the plumbing system?

To verify the system's functionality and safety Signup and view all the answers

Study Notes

General Requirements for Plumbing Systems

Water closets must be located in rooms with proper lighting and ventilation.
In areas without a sewer system, suitable provision must be made for sewage disposal using an accepted method, such as a septic tank.

Preventing Backflow and Overflow

Measures must be taken to prevent backflow of sewage in plumbing systems.
Suitable provision must be made to prevent overflow of sewage in buildings.

Maintenance and Installation

Plumbing systems must be maintained in serviceable condition by Registered Master Plumbers.
Plumbing fixtures must be installed properly spaced and accessible for their intended use.
Plumbing systems must be installed to preserve the strength of structural members and prevent damage to walls and surfaces.

Environmental Protection

Sewage or waste from plumbing systems must not be discharged into the ground or waterways unless treated to be harmless.
The drainage system must be designed and maintained to prevent fouling, deposit of solids, clogging, and ensure adequate cleanouts.

Components of Plumbing Systems

Water distribution system
Fire protection system
Plumbing fixtures
Sanitary drainage system
Storm drainage system
Fuel gas piping system

Design and Construction of Drainage Systems

Drainage pipes must be made of durable, NAMPAP-approved materials, free from defective workmanship.
Each fixture directly connected to the drainage system must be equipped with a water-sealed trap.
The drainage system must be designed to provide adequate circulation of air, free from siphonage, aspiration, or forcing of trap seals.
Vent terminals must extend to the outer air and be installed to prevent clogging and return of foul air to the building.

Testing and Protection

Plumbing systems must be subjected to tests to disclose all leaks and defects in workmanship.
Substances that can clog pipes, produce explosive mixtures, or interfere with sewage disposal must not be allowed to enter the building drainage system.
Proper protection must be provided to prevent contamination of food, water, sterile goods, and similar materials by backflow of sewage.

Revised Plumbing Code of 1999

Adopted by the Professional Regulation Commission (PRC) in 1999
Approved by President Joseph Estrada on December 21, 1999

Basic Principles of the Plumbing Code

All premises intended for human use or habitation must be provided with a supply of pure and wholesome water.
Plumbing fixtures, devices, and appurtenances must be supplied with water in sufficient volume and pressure.
Plumbing systems must be designed to use the minimum quantity of water consistent with proper performance and cleaning.
Devices for heating and storing water must be designed and installed to prevent dangers from explosion through overheating.
Every building abutting on a street, alley, or easement with a public sewer must connect its plumbing fixtures to the sewer system.
Each family dwelling unit must have at least one water closet, one kitchen type sink, a lavatory, and a bathtub or shower to meet basic sanitation and personal hygiene requirements.
Plumbing fixtures must be made of smooth, non-absorbent material, free from concealed fouling surfaces, and located in ventilated enclosures.

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Description

Test your knowledge on the Revised Plumbing Code of 1999 adopted by the Professional Regulation Commission (PRC) and approved by President Joseph Estrada. This quiz covers the 22 basic principles of the Plumbing Code, including requirements for safe water supply in premises intended for human use.