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602.3.3 Water quality.
Water from an individual water supply shall be approved as potable by the authority having jurisdiction prior to connection to the plumbing system.
602.3.4 Disinfection of system.
After construction or major repair, the individual water supply system shall be purged of deleterious matter and disinfected in accordance with Section 610.
602.3.5 Pumps.
Pumps shall be rated for the transport of potable water. Pumps in an individual water supply system shall be constructed and installed so as to prevent contamination from entering a potable water supply through the pump units. Pumps shall be sealed to the well casing or covered with a water-tight seal. Pumps shall be designed to maintain a prime and installed such that ready access is provided to the pump parts of the entire assembly for repairs.
602.3.5.1 Pump enclosure.
The pump room or enclosure around a well pump shall be drained and protected from freezing by heating or other approved means. Where pumps are installed in basements, such pumps shall be mounted on a block or shelf not less than 18 inches (457 mm) above the basement floor. Well pits shall be prohibited.
603.1 Size of water service pipe.
The water service pipe shall be sized to supply water to the structure in the quantities and at the pressures required in this code. The minimum diameter of water service pipe shall be 1 inch (25 mm).
603.2 Separation from water service.
Underground water service pipe and the building sewer or the building drain shall be separated by not less than 5 feet (1524 mm) of undisturbed or compacted earth.
Exceptions:
1. The required separation distance shall not apply where the bottom of the water service pipe within 5 feet (1524 mm) of the sewer or drain is a minimum of 12 inches (305 mm) above the top of the highest point of the sewer or drain and the pipe materials conform to Section 703.1.
2. Water service pipe is permitted to be located in the same trench with a building drain, provided such drain is constructed of materials listed in Table 702.2.
3. The required separation distance shall not apply where a water service pipe crosses a sewer or drain pipe provided the water service pipe is sleeved to at least 5 feet (1524 mm) horizontally from the sewer or drain pipe centerline, on both sides of such crossing with pipe materials listed in Table 605.3, Table 702.2 or Table 702.3.
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