Plumbing PDF - Basic Principles

Plumbing 2. Plumbing fixtures, devices, and - The art and technique of installing pipes, appurtenances shall be supplied with fixtures, and other apparatuses in water in sufficient volume and...

Plumbing 2. Plumbing fixtures, devices, and - The art and technique of installing pipes, appurtenances shall be supplied with fixtures, and other apparatuses in water in sufficient volume and pressure buildings for bringing in the supply of liquids, adequate to function satisfactorily and substances and/or ingredients and without undue noise. removing them; and such 3. Plumbing shall be designed and adjusted to - Water, liquid, and other carried wastes use the minimum quantity of water hazardous to health, sanitation, life, and consistent with proper performance and property; also the cleaning. - Pipes and fixtures after installation i.e., 4. Devices for heating and storing water shall “plumbing system” be so designed and installed as to prevent History of Plumbing Practice in the Philippines dangers from explosion through In 1902, the Plumbing Trade was duly overheating. recognized by the government in the City of Manila. 5. Every building abutting on a street, alley, Master Plumber John F. Haas became the first or easement with a public sewer shall Chief of the Division of Plumbing Construction connect its plumbing fixtures to the and Inspection. A plumbing code based on the sewer system. Plumbing Code of the United States was 6. Each family dwelling unit, shall have at incorporated into the Building Code of the City of least one water closet, one kitchen-type Manila. sink, a lavatory, and a bathtub or shower In 1935, the National Master Plumbers to meet the requirements of sanitation and Association of the Philippines (NAMPAP) was personal hygiene. formally organized. 7. Plumbing fixtures shall be made of smooth Manila City Ordinance 2411, the non-absorbent material, free from “Plumbing Code for the City of Manila” was concealed fouling surfaces, and shall be enacted and placed under the Department of located in ventilated enclosures. Public Services, Manila. 8. The drainage system shall be designed, In 1954, the Third Congress approved constructed, and maintained to safeguard House Bill No. 962 which on June 18, 1955, against fouling, deposits of solids, became the R.A. 1378 “Plumbing Law of the clogging and with adequate cleanouts so Philippines” upon ratification of President Ramon arranged that the pipes may be readily Magsaysay. cleaned. On January 28, 1959, the National 9. All piping shall be of durable Plumbing Code of the Philippines prepared by NAMPAP-APPROVED materials, free NAMPAP was promulgated and approved by form defective workmanship, designed Malacañang. and constructed by Registered Master Before Martial Law in 1972, Republic Act Plumbers to ensure satisfactory service. No. 6541 otherwise known as the “Building Code 10. Each fixture directly connected to the of the Philippines” was passed with the “National drainage system shall be equipped with a Plumbing Code of 1959” as the referral code in full water-sealed trap. text. 11. The drainage pipes piping system shall be The Professional Regulation designed to provide adequate circulation Commission (PRC) adopted the Revised of air free from siphonage, aspiration or Plumbing Code of 1999 which President Joseph forcing of trap seals under ordinary use. Estrada approved on December 21, 1999, under 12. Vent terminals shall extend to the outer Section 4 of R.A. 1378 known as the Plumbing air and installed to prevent clogging and Law. the return of foul air to the building. 13. Plumbing system shall be subjected to such 22 Basic Principles of the Plumbing Code tests to effectively disclose all leaks and 1. All premises intended for human use or defects in the workmanship. (2 types of habitation shall be provided with a test – water and air test) supply of pure and wholesome water, 14. Substances which will clog the pipes, neither connected to unsafe water supply produce explosive mixtures, destroy the nor subject to backflow or back-siphonage. pipes or their joints or interfere unduly  with the sewage disposal process shall not be allowed to enter the building drainage system. Plumbing Cycle 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. 16. No water closet shall be located in a room or compartment which is not properly lighted and ventilated. 17. If there is no sewer system in the area, suitable provision shall be made for the disposal of building sewage by some Water Functions Diagram accepted method of sewage treatment and disposal, such as a septic tank. 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. 19. Plumbing systems shall be maintained in serviceable condition by Registered Master Plumbers. Flow of water (&water carried wastes) 20. All plumbing fixtures shall be installed should always be only in one direction (from properly spaced, to be accessible for supply to disposal) their intended use. The two sides should always be carefully 21. Plumbing shall be installed with due regard separated from each other. to the preservation of the strength of structural members and the prevention of damage to walls and other surfaces through fixture usage. 22. Sewage or other waste from plumbing system which may be deleterious to the surface or sub-surface waters shall not be discharged into the ground or into any waterway, unless first rendered innocuous through subjection to some acceptable form of treatment. Components of Plumbing Water Distribution System Fire Protection System Plumbing Fixtures Sanitary Drainage System Storm Drainage System Fuel Gas Piping System The Water Cycle Evaporation Condensation Precipitation Infiltration Percolation Subsurface Runoff