S.D. Admin. R. 74:02:09:01

Current through Register Vol. 51, page 67, December 16, 2024

Section 74:02:09:01 - Definitions

Terms defined in SDCL 34A-2A-1 have the same meaning when used in this chapter. In addition, terms used in this chapter mean:

(1) "Check valve," a device that provides a positive (absolute) closure which prohibits the flow of material or liquid in the opposite direction of that desired when operation of the irrigation system pumping plant or chemical injection unit fails or is shut down;

(2) "Interlock," the arrangement or interconnection of the irrigation pump, chemical injection units, and other pumps or supply tanks so that total shutdown of the system will occur if any component malfunctions or fails;

(3) "Low-pressure drain," a self-activating device to drain that portion of an irrigation pipeline or conduit whose contents could potentially enter the water supply when operation of the irrigation system pumping plant fails or is shut down;

(4) "Vacuum relief valve," a device that automatically relieves or breaks vacuum in an irrigation pipeline or conduit due to system failure or shutdown.

S.D. Admin. R. 74:02:09:01

15 SDR 81, 15 SDR 84, effective 11/27/1988.

General Authority: SDCL 34A-2A-3.

Law Implemented: SDCL 34A-2A-3.