Horizontal piping.

62-04-05-03. Horizontal piping. 1. Horizontal pipe of the following materials shall be supported at not more than the distance intervals shown. 2. Steel threaded pipe - one-inch [2.54 centimeter] diameter or less - eight foot [2.44 meter] intervals. Over one-inch [2.54 centimeter] diameter - ten foot [3.05 meter] intervals. 3. Copper tube, one and one-fourth inch [31.75 millimeter] or less - six foot [1.83 meter] intervals. 4. Copper tube, one and one-half inch [38.1 millimeter] or over - ten foot [3.05 meter] intervals. General Authority: NDCC 43-18.1-03 Law Implemented: NDCC 43-18.1-04