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Subpart 1.

Section 602.2.

UPC section 602.2 is amended to read as follows:

602.2 Cross-Contamination. Unless there is provided a backflow prevention device approved for the potential hazard and maintained in accordance with this code, no person shall make a connection or allow one to exist between pipes or conduits carrying domestic water supplied by a public or private building supply system, and (1) pipes, conduits, or fixtures containing or carrying water from any other source or containing or carrying water that has been used for any purpose whatsoever, or (2) any piping carrying chemicals, liquids, gases, or substances whatsoever.

Each point of use shall be separately protected where potential cross-contamination of individual units exists. Water used for cooling or heating of equipment or other purposes shall not be returned to the potable water system. Such water shall be discharged into the drainage system through an air-gapped indirect waste or other approved method of disposal.

Subp. 2.

Section 602.4.

UPC section 602.4 is amended to read as follows:

602.4 Approval by Authority. No water piping supplied by a private water supply system shall be connected to any other source of supply without the approval of the Authority Having Jurisdiction.

Statutory Authority:

MS s 326B.43; 326B.435


40 SR 71

Published Electronically:

January 25, 2016

Official Publication of the State of Minnesota
Revisor of Statutes