This code shall apply to all piping, including lawn sprinklers, swimming pools and process piping. The minimum water service piping requirements shall be:
A. Size; Water Service: The size of the water service shall be determined by the load occupant value in water fixture units and not be smaller than one inch and a quarter (1¼") in diameter. All new construction where fire suppression is required shall not have a water service line less than one and a half inch (1.5") in diameter.
B. Size; Nonresidential Buildings And Structures: All nonresidential buildings and structures shall be sized based upon the number of water fixture units, fire protection consideration and public health and safety.
C. Copper Pipe: A minimum of type K copper pipe shall be used below ground. A minimum of type L or M rigid copper pipe shall be used above ground. IDPH Approval 5-26-2017.
D. Air Chambers: Air chambers shall not be less than twelve inches (12") nor more than twenty four inches (24") in height and shall be installed on all water supply connections to plumbing fixtures.
E. Shutoff Boxes: Shutoff boxes shall be of the type specified by the village.
F. Meter Spread: There shall be a twelve inch (12") meter spread at the main interior shutoff valves for the installation of a water meter.
G. Valve Vaults: Valve vaults not less than five feet (5') in diameter shall be installed for all pressure taps three inches (3") and larger.
H. Hose Bibs; Vacuum Breakers: A minimum of two (2) hose bibs shall be installed on opposite sides of all single-family residences. Vacuum breakers shall be provided.
I. Submerged Water Supply: No plumbing fixtures shall be installed unless the water supply enters said fixtures at least two inches (2") above any overflow connection or the supply is connected to an approved and certified RPZ valve.
J. Separate Water Service Required: Provide a separate water service for each owner/tenant and/or occupied unit, unless otherwise approved by the public works director, building director or village engineer. (Ord. 2014-46, 6-3-2014; amd. Ord. 2020-56, 6-16-2020)