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Questions and Answers
What does RA 1378 stand for?
What does RA 1378 stand for?
- Plumbing Code
- Plumbing Regulation
- Plumbing Law (correct)
- Plumbing Guidelines
What is the minimum number of LAV for 200 males in assembly places?
What is the minimum number of LAV for 200 males in assembly places?
5
The invert of the inlet of the inlet pipe shall be at a level not less than _____ above the invert of the outlet pipe.
The invert of the inlet of the inlet pipe shall be at a level not less than _____ above the invert of the outlet pipe.
50.8 mm
What connects the outlet of a plumbing fixture to the trap?
What connects the outlet of a plumbing fixture to the trap?
What does DWV System stand for?
What does DWV System stand for?
What must all sections of a plumbing drainage and vent system be tested with?
What must all sections of a plumbing drainage and vent system be tested with?
In what section of RA 1378 are the 22 basic principles of Master Plumbing enumerated?
In what section of RA 1378 are the 22 basic principles of Master Plumbing enumerated?
What is the minimum number of WC for 100 males in assembly places?
What is the minimum number of WC for 100 males in assembly places?
What is a group vent?
What is a group vent?
What is the minimum pressure required to test a water supply system?
What is the minimum pressure required to test a water supply system?
What is the minimum size of a p-trap for a floor drain?
What is the minimum size of a p-trap for a floor drain?
What is the definition of 'House Sewer'?
What is the definition of 'House Sewer'?
What must the air test for a plumbing drainage and vent system be attached to?
What must the air test for a plumbing drainage and vent system be attached to?
In what section of the Plumbing Law is the scope of plumbing practice enumerated?
In what section of the Plumbing Law is the scope of plumbing practice enumerated?
How many lavatories should be provided for every five persons in case of skin contamination exposure?
How many lavatories should be provided for every five persons in case of skin contamination exposure?
The side walls of a septic tank shall extend at least _____ above the liquid depth.
The side walls of a septic tank shall extend at least _____ above the liquid depth.
What is the maximum distance allowed for the trap of the floor drain to be placed below the finished floor line?
What is the maximum distance allowed for the trap of the floor drain to be placed below the finished floor line?
What type of connection must be used when floor drainage is required for a cold storage room?
What type of connection must be used when floor drainage is required for a cold storage room?
The cover of the septic tank shall be at least _____ above the back-vent openings.
The cover of the septic tank shall be at least _____ above the back-vent openings.
What is the height of a building defined as?
What is the height of a building defined as?
What does friction refer to in plumbing systems?
What does friction refer to in plumbing systems?
What is a dearator used for in plumbing?
What is a dearator used for in plumbing?
What type of buildings are excluded from the requirements for installation of grease interceptors?
What type of buildings are excluded from the requirements for installation of grease interceptors?
Inlet and outlet pipe fittings or baffles must have a free vent area _____ of the house sewer.
Inlet and outlet pipe fittings or baffles must have a free vent area _____ of the house sewer.
What must be installed to ensure effectiveness of grease interceptors?
What must be installed to ensure effectiveness of grease interceptors?
What is defined as any joint or seam obtained by the joining of metal parts in a plastic molten state?
What is defined as any joint or seam obtained by the joining of metal parts in a plastic molten state?
What is a combination of hydrogen and oxygen?
What is a combination of hydrogen and oxygen?
What includes all valves and controls used in plumbing systems which are required to be accessible?
What includes all valves and controls used in plumbing systems which are required to be accessible?
What is required for satisfactory hanger which supports any piping?
What is required for satisfactory hanger which supports any piping?
Who shall appoint the Board of Examiners for Master Plumber?
Who shall appoint the Board of Examiners for Master Plumber?
Study Notes
Plumbing Law and Regulations
- RA 1378 is the established Plumbing Law that governs plumbing practices.
- Section 2 of RA 1378 outlines the scope of plumbing practice.
- Section 5 enumerates the 22 basic Principles of Master Plumbing.
Plumbing Fixtures and Requirements
- For assembly places accommodating 200 males, a minimum of 5 lavatories is required.
- Public assembly places must provide at least 1 water closet for every 100 males.
- Lavatory requirements increase to one for every five persons when exposure to harmful materials occurs.
Pipe and System Specifications
- The invert of the inlet pipe must be a minimum of 50.8 mm above the outlet pipe invert.
- The minimum p-trap size for floor drains is specified as 2 inches.
- The house sewer extends from 0.6 m inside the foundation wall to the junction with another sewer.
- A septic tank cover must be at least 50.8 mm above back-vent openings.
- Side walls of septic tanks should extend at least 228.6 mm above liquid depth.
Testing and Maintenance Protocols
- DWV (Drainage, Waste, and Vent) systems require testing with air or water.
- A minimum pressure of 150% is necessary to test the water supply system.
- Floor drain traps should be a maximum of 600 mm below the finished floor line for maintenance ease.
Ventilation and Waste Management
- Group vents serve multiple traps for improved ventilation.
- Indirect waste systems are necessary for floor drainage in cold storage rooms.
- A flow control mechanism must be installed to prevent wastes from exceeding the grease interceptor's rated capacity.
Structural and Equipment Definitions
- Friction refers to the resistance encountered by water flowing through pipes and fittings.
- Regulating equipment includes all requisite valves and controls in plumbing systems, ensuring accessibility.
Construction and Strength Standards
- Satisfactory supports for piping must be of sufficient strength to handle operational loads.
- Welded joints are created by melting and joining metal parts, ensuring structural integrity.
Legal and Administrative Oversight
- The President of the Philippines appoints the Board of Examiners for Master Plumber.
- Apartment buildings with up to 100 dwelling units are excluded from specific grease interceptor installation requirements.
Basic Science Principles
- Water is a chemical combination of hydrogen and oxygen.
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Test your knowledge of plumbing law and codes with these flashcards. Each card covers essential concepts and regulations that every master plumber should know. Ideal for exam preparation and professional development.
