§ 414-4.413. Small water system—Distribution system.  


Latest version.
  • (a)

    Pressure — Quantity. The distribution system shall be of adequate size and designed in conjunction with related facilities to maintain a minimum water pressure of twenty pounds per square inch at every point during periods of maximum normal demand. The quantity of water delivered to the distribution systems shall be sufficient to supply adequately, dependably, and safely the total requirements of all users under maximum consumption.

    (b)

    Flushing. Dead-end runs shall be provided with means of flushing, and shall be flushed frequently enough to assure that the water will be kept safe, wholesome, and potable for human consumption. The design of small water systems shall provide for elimination of dead-end runs wherever practicable.

    (c)

    Materials. Materials used in the distribution system shall be able to withstand with ample safety factors, all internal and external forces to which they may be subjected.

    (d)

    Backflow Protection. Each service connection from an approved water supply system shall be protected against backflow of water from a nonapproved system.

    (e)

    Fire Hydrants. Fire hydrants shall conform to requirements of local authority.

    (f)

    Location of Pipes. No water pipe shall be laid in the same trench with sanitary sewers.

    (g)

    Disinfection of Pipes. All pipes or conduits, or parts, newly constructed or repaired before being placed in service, shall be completely disinfected in accordance with American Water Works Association Procedures for Disinfecting Water Mains.

    (h)

    Marking of Pipes. Where the premises contain dual or multiple water systems and piping, the exposed portions of pipes shall be painted, branded, or marked at sufficient intervals to distinguish the pipes which carry water safe for human consumption.

(Ord. 81-56 § 1: prior code § 4727: Ord. 1432: Ord. 1189).