The plumbing system shall be subjected to a water or air pressure test and to a final test in such manner as to disclose all leaks and imperfections in the work.
Structure Delaware Code
Chapter 79. BASIC PLUMBING PRINCIPLES
§ 7902. Principles applicable throughout State.
§ 7903. Plumbing Code; adoption and enforcement.
§ 7905. Additional regulations.
§ 7907. Inspection and inspectors.
§ 7910. Cross connections with unsafe water supplies.
§ 7911. Adequate water supply.
§ 7913. Hot water tanks or boilers.
§ 7914. Separate sewer connections.
§ 7915. Family private water closet in multiple dwellings.
§ 7916. Plumbing fixture materials.
§ 7917. House drainage system.
§ 7919. Cleanouts in drainage systems.
§ 7921. Adequate air circulation.
§ 7922. Roof terminals, soil or waste stacks.
§ 7923. Water or air pressure test.
§ 7924. Substances entering house drainage system.
§ 7925. Connections with refrigerators.
§ 7926. Light and ventilation.
§ 7927. Private sewage treatment and disposal system.