(9) In IPC, Section 608.1, the following subsections are added as follows: "608.1.1 General Installation Criteria.
An assembly shall not be installed more than five feet above the floor unless a permanent platform is installed. The assembly owner, where necessary, shall provide devices or structures to facilitate testing, repair, and maintenance and to insure the safety of the backflow technician.
608.1.2 Specific Installation Criteria.
608.1.2.1 Reduced Pressure Principle Backflow Prevention Assembly.
A reduced pressure principle backflow prevention assembly shall be installed as follows:
a. The assembly shall not be installed in a pit or below grade where the relief port could be submerged in water or where fumes could be present at the relief port discharge.b. The relief valve of the assembly shall not be directly connected to a waste disposal line, including a sanitary sewer, storm drain, or vent.c. The assembly shall be installed in a horizontal position, unless the assembly is listed or approved for vertical installation in accordance with Section 303.4.d. The bottom of each assembly shall be installed a minimum of 12 inches above the ground or the floor.e. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle, and shall be readily accessible for testing, repair, and maintenance.608.1.2.2 Double Check Valve Backflow Prevention Assembly.
A double check valve backflow prevention assembly shall be installed as follows:
a. The assembly shall be installed in a horizontal position unless the assembly is listed or approved for vertical installation.b. The bottom of the assembly shall be a minimum of 12 inches above the ground or the floor.c. The body of the assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle, and shall be readily accessible for testing, repair, and maintenance.d. If installed in a pit, the assembly shall be installed with a minimum of 12 inches of clearance around all sides of the vault, including the floor and roof or ceiling, with adequate room for testing and maintenance.608.1.2.3 Pressure Vacuum Breaker Assembly and Spill Resistant Pressure Vacuum Breaker Assembly.
A pressure vacuum breaker assembly and spill resistant pressure vacuum breaker assembly shall be installed as follows:
a. The assembly shall not be installed in an area that could be subject to backpressure or back drainage conditions.b. The assembly shall be installed a minimum of 12 inches above all downstream piping and the highest point of use.c. The assembly shall be a minimum of 12 inches from any wall, ceiling, or obstacle, and shall be readily accessible for testing, repair, and maintenance.d. The assembly shall not be installed below ground or in a vault or pit.e. The assembly shall be installed in a vertical position."