CODES

ADOPTS WITH AMENDMENTS:

International Plumbing Code 2015 (IPC 2015)

This appendix is informative and is not part of this code.
Vacuum drainage systems shall be in accordance with Sections G716.2 through G716.4.
Vacuum drainage systems shall be designed in accordance with the vacuum drainage system manufacturer's instructions. The system layout, including piping layout, tank assemblies, vacuum pump assembly and other components necessary for proper function of the system shall be in accordance with the manufacturer 's instructions. Plans, specifications and other data for such systems shall be submitted to the code official for review and approval prior to installation.
Gravity-type fixtures installed in vacuum drainage systems shall comply with Chapter 4.
Drainage fixture units for gravity drainage systems that discharge into, or receive discharge from, vacuum drainage systems shall be based on the values in this chapter.
Water supply fixture units shall be based on the values in Chapter 6 of this code, except that the water supply fixture unit for a vacuum-type water closet shall be 1.
Gravity drainage fixtures shall be provided with traps and cleanouts in accordance with this chapter and Chapter 10.
Vacuum drainage pipe, fitting and valve materials shall be in accordance with the vacuum drainage system manufacturer's instructions and the requirements of this chapter.
After completion of the entire system installation, the system shall be subjected to a vacuum test of 19 inches (483 mm) of mercury and shall be operated to function as required by the code official and the manufacturer of the vacuum drainage system. Recorded proof of all tests shall be submitted to the code official.
Written instructions for the operation, maintenance, safety and emergency procedures shall be provided to the building owner. The code official shall verify that the building owner is in receipt of such instructions.
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