PRINCIPLE OF PLUMBING DESIGN

• Plumbing


  The art and technique of installing pipes, fixtures, and other apparatus to convey and supply water in buildings and to dispose and discharge waste water and other liquids, gases and other substances out of the building in a safe orderly, healthy and sanitary way to ensure the health and sanitation of life and property
• Plumber


  A person who is skilled in the field of sanitation, derived from the ancient Roman word Plumbarius which is taken from the Latin term word Plumbum (lead).. A metal used as plumbing material by the Romans, preferred for its twin properties of malleability and resistant to acid
• The basic principles of the 1999 National Plumbing Code of the Philippines is an update of the principles established in the "Plumbing Law of the Philippines" approved on 18 June 1955 as amended on 28 November 1959
• The basic goal of the 1999 National Plumbing Code of the Philippines is to ensure the unqualified observance of the latest provisions of the plumbing and environmental laws
• Republic Act No. 1378 is An Act To Regulate the Trade Of Master Plumber, also known as the "Plumbing Law"
• The Philippine Pipe Color Code is used for plumbing systems
• all plumbing plans, drawings, diagrams, design analyses/computation as required, technical specifications, bills of materials and other require documents for all types of occupancy shall be prepared, signed and sealed by a Registered and Licensed Master Plumber, without limitations pursuant to Republic Act, as amended, and shall be submitted in six acts of the aforementioned requirements with each application for a permit
• Principle No. 1: All premises intended for human habitation, occupancy or use shall be provided with a supply of pure and wholesome water, neither connected with unsafe water supplies nor subject to hazards of backflow or back-siphonage
• Principle No. 2: Plumbing fixtures, devices and appurtenances shall be supplied with water in sufficient volume and at pressure adequate to enable them to function satisfactorily and without undue noise under all normal conditions of use.
• Principle No. 3: Plumbing shall be designed and adjusted to use the minimum quantity of water consistent with proper performance and cleaning.
• Principle No. 4: Devices for heating and storing water shall be so designed and installed as to prevent dangers from explosion through overheating.
• Principle No. 5: Every building having plumbing fixtures installed and intended for human habitation, occupancy or use on premises abutting on a street, valley, or easement where there is a public sewer, shall be connected to the sewer system.
• Principle No. 6: Each family dwelling unit on premises abutting on a sewer or with a private sewage-disposal system shall have at least one water closet and one kitchen-type sink. Further, a lavatory and bathtub or shower shall be installed to meet the basic requirement of sanitation and personal hygiene
• Principle No. 7: Plumbing fixtures shall be made of smooth non-absorbent material, free from concealed fouling surfaces and shall be located in ventilated enclosures.
• Principle No. 8: The drainage system shall be designed, constructed and maintained to safeguard against fouling, deposit of solids, clogging and with adequate cleanouts so arranged that the pipes may be readily cleaned.
• Principle No. 9: All pipings of plumbing systems shall be of durable NAMPAP-APPROVED materials, freeform defective workmanship, designed and constructed by Registered Master Plumbers to ensure satisfactory service.
• Principle No. 10: Each fixture directly connected to the drainage system shall be equipped with a water-sealed trap.
• Principle No. 11: The drainage piping system shall be designed to provide adequate circulation of air free from siphonage, aspiration or forcing of trap seals under ordinary use.
• Principle No. 12: Vent terminals shall extend to the outer air and installed to prevent clogging and the return of foul air to the building.
• Principle No. 13: Plumbing systems shall be subjected to such test to effectively disclose all leaks and defects in the workmanship.
• Principle No. 14: No substance which will clog the pipes, produce explosive mixtures, destroy the pipes or their joints or interfere unduly with the sewagedisposal process shall be allowed to enter the building drainage system.
• Principle No. 15: Proper protection shall be provided to prevent contamination of food, water, sterile goods, and similar materials by backflow of sewage. When necessary, the fixture, device, or appliance shall be connected indirectly with the building drainage system.
• Principle No. 16: No water closet shall be located in a room or compartment which is not properly lighted and ventilated.
• Principle No. 17: If water closets or other plumbing fixtures are installed in buildings where there is no sewer within a reasonable distance, suitable provision shall be made for disposing of the building sewage by some accepted method of sewage treatment and disposal, such as a septic tank.
• Principle No. 18: Where a plumbing drainage system may be subject to backflow of sewage, suitable provision shall be made to prevent its overflow in the building.
• Principle No. 19: Plumbing system shall be maintained in serviceable condition by Registered Master Plumbers
• Principle No. 20: All plumbing fixtures shall be installed properly spaced, to be accessible for their intended use
• Principle No. 21: Plumbing shall be installed by Registered Master Plumbers with due regard to the preservation of the strength of structural members and the preventions of damage to walls and other surfaces through fixture usage.
• Principle No. 22: Sewage or other wastes from a plumbing system which may be harmful to surface or sub-surface waters shall not be discharged into the ground or into any waterway, unless first rendered harmless through subjection to some acceptable form of treatment.
• if the plumbing work commenced within one year form the date of such permit or if the plumbing work so authorized is suspended or abandoned at any time after the having been commenced for a period of 120 days.
• OBJECTIVES OF PLUMBING


  To supply water to different parts of the building. To remove and discharge human wastes and other substances out of building into the public sewer or septic tank
• STORM DRAINAGE SYSTEM


  It’s a network of structures, channels and underground pipes that carry storm water (rain water) to ponds, lakes, streams and rivers. The network consists of both public and private systems.
• PLUMBING FIXTURES


  Is an exchangeable device which can be connected to a plumbing system to deliver and drain water.
• SANITARY DRAINAGE SYSTEM


  A sanitary drainage system is a system of piping within public or private premises that conveys sewage or other liquid waste to an approved point of disposal. The intent is to design and install sanitary drainage systems that will function reliably, are neither undersized nor oversized, and are constructed from materials, fittings and connections whose quality is regulated by codes and standards.
• WATER DISTRIBUTION SYSTEM


  A plumbing system is to deliver water to all customers of the system in sufficient quantity for potable drinking water and fire protection purposes, at the appropriate pressure, with minimal loss, of safe and acceptable quality, and as economically as possible.
• FIRE PROTECTION SYSTEM


  This system includes fire suppression, sprinklers, smoke detectors, and other fire protection equipment that works in tandem to protect against fire. It is best to work with a fire protection company that understands the needs of your property and provides a variety of integrated protection systems.