Current through Register Vol. 54, No.43, October 26, 2024
Section 5.149 - Transportation(a)Hose lines. The transmission of nitroglycerin through hose lines shall conform with the following:(1) In cold weather, hot water shall be sent down through a hose line or in a gutter surrounding the hose line both before and after a charge of nitroglycerin is sent down the line.(2) Nitroglycerin lines shall be carried on substantial scaffolding or runways protected by suitable covering.(3) A thorough examination of the complete system shall be made each day.(4) No nitroglycerin lines shall pass an explosives building at a distance near enough to cause serious injury if an explosion occurs in the hose line.(5) Hose lines shall be composed of rubber of the highest quality.(b)Gutters. When lead gutters are used instead of hose lines, they shall be formed of at least 6 pound lead, suitably lead-burned and located so that they will drain completely toward one end. Rubber gutters are permissible if they are of the highest quality rubber only.(c)Carriages. Carriages for the transportation of nitroglycerin shall be properly designed and equipped with rubber tires. Smooth runways for such carriages shall be provided and kept in good repair at all times.