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All fire protection equipment, tanks, risers, standpipes, domestic house tanks, compression tanks and all other tanks that have a weight check valve for backflow prevention and are supplied with water from the Chicago Waterworks System shall be drained and flushed at least every 12 months. Further, fire protection systems and equipment shall be kept free from accumulations of sand, silt, and stagnant water which would nullify the action of the chlorine content of City water.
(Amend Coun. J. 10-14-21, p. 37722, Art. VI, § 28)
Any building, premises, material or storage yard which receives service from the Chicago Waterworks System shall not have a siamese or other connection for fire extinguishing purposes installed near any river, lake, or waterway where a city fire boat or city fire engine or pump may pump river, lake or shore water into the city water pipes through a cross-connection of any kind.
No stationary pump or privately owned fire equipment shall be maintained for emergency use which draws water from rivers, lakes, and waterways nor shall they use cisterns or wells adjacent to the rivers, lakes and waterways unless protected from cross-connections to city water systems.
Chemical, contaminated water, or sewage lines or vessels shall comply with Sections 18-29-608.16.6.1 through Section 18-29-608.16.6.3.
No person, corporation or firm shall connect any pressure vessel to the city water supply. This includes a storage tank, tank car, tank truck or trailer or other miscellaneous pressurized tank or cylinder containing or having contained liquefied gaseous petroleum products or other liquefied gaseous chemicals.
Water for flushing or cooling (or to be otherwise instilled into such a vessel) shall be obtained by gravity through an indirect connection. If water under pressure is required, it may be supplied only by means of an auxiliary pump taking suction from a suction tank provided for this purpose only, with an over-rim supply having an indirect connection.
There shall be no direct connection between the city water lines and lines, equipment or vessels containing raw or contaminated water, contaminating chemicals or sewage. Such connections shall be made only through an indirect connection.
(Amend Coun. J. 11-8-12, p. 38872, § 354)
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