22 BASIC PRINCIPLES

• BP 1 - All premises shall be provided with a supply of pure and wholesome water.
• BP 2 - Plumbing fixtures shall be supplied with water of sufficient volume and adequate pressure.
• BP 3 - Plumbing shall be designed and adjusted to use the minimum quantity of water.
• BP 4 - Devices shall be so designed and installed to prevent from explosion.
• BP 5 - Every building shall be connected to the sewer system.
• BP 6 - Each family dwelling unit shall have one water closet, one kitchen sink, a lavatory, a bathtub or shower.
• BP 7 - Plumbing fixtures shall be made of smooth non-absorbent material and be located in ventilated enclosures.
• BP 8 - The drainage system shall be designed, constructed and maintained and with adequate cleanouts.
• BP 9 - All piping shall be made of NAMPAP approved materials.
• BP 10 - Each fixture shall be equipped with a water sealed trap.
• BP 11 - The drainage piping system shall be designed to provide adequate circulation of air.
• BP 12 - Vent terminals shall extend to the outer air.
• BP 13 - Plumbing systems shall be subjected to tests to effectively disclose leaks and defects.
• BP 14 - No substance which will clog or destroy the pipes shall be allowed.
• BP 15 - Proper protection shall be provided to prevent contamination.
• BP 16 - No water closet shall be located in a room which is not properly ventilated and lighted.
• BP 17 - Suitable provision shall be made for disposing of building sewage if there is no available sewer.
• BP 18 - Suitable provision shall be made to prevent from backflow of sewage.
• BP 19 - Plumbing systems shall be maintained by Registered Master Plumbers.
• BP 20 - All plumbing fixtures must be properly spaced.
• BP 21 - . Plumbing shall be installed with due regard to preservation of strength and prevention of damage of other structural members.
• BP 22 - Sewage that are deleterious shall not be discharged into the ground or into any waterway.