Current through Register Vol. XLI, No. 50, December 13, 2024
Section 56-23-8 - Fuel Storage Facilities8.1. An underground diesel fuel storage facility shall be any facility designed and constructed to provide for the storage of any mobile diesel fuel transportation unit(s) or the dispensing of diesel fuel.8.2. Diesel-powered equipment shall be used underground only with fuel that meets the standards of the most recently approved EPA guidelines for over-the-road-fuel. Additionally, the fuel shall also meet the ASTM D975 fuel standards with a flash point of one hundred degrees Fahrenheit or greater at standard temperature and pressure. The operator shall maintain a copy of the most recent delivery receipt from the supplier that will prove that the fuel used underground meets the standard listed above.8.3. Underground diesel fuel storage facilities shall meet the following general requirements: 8.3.1. Fixed underground diesel fuel storage tanks are prohibited.8.3.2. No more than five hundred gallons of diesel fuel shall be stored in each underground diesel fuel storage facility.8.4. Underground diesel fuel storage facilities shall be located as follows:8.4.1. At least one hundred feet from shafts, slopes, shops and explosives magazines;8.4.2. At least twenty-five feet from trolley wires, haulage ways, power cables and electric equipment not necessary for the operation of the storage facilities; and8.4.3. In an area that is as dry as practicable.8.5. Underground diesel fuel storage facilities shall meet the construction requirements and safety precautions enumerated in this section. 8.5.1. Underground diesel fuel storage facilities shall meet all of the following: 8.5.1.a. Be constructed of noncombustible materials and provided with either self-closing or automatic closing doors.8.5.1.b. Be ventilated directly into the return air course using noncombustible materials.8.5.1.c. Be equipped with an automatic fire suppression system complying with section 12 of this rule. The director may approve an alternate method of complying with section 12 of this rule on a mine by mine basis.8.5.1.d. Be equipped with at least two portable twenty-pound multipurpose dry-chemical type fire extinguishers.8.5.1.e. Be marked with conspicuous signs designating combustible liquid storage.8.5.1.f. Be included in the pre-shift examination.8.5.2. Welding or cutting other than that performed in accordance with subdivisions 8.5.2.a. and 8.5.2.b. below shall not be done within fifty (50) feet of a diesel fuel storage facility. When it is necessary to weld, cut or solder pipelines, cylinders, tanks or containers that may have contained diesel fuel, the following requirements shall apply: 8.5.2.a. Cutting or welding shall not be performed on or within containers or tanks that have contained combustible or flammable materials until such containers or tanks have been thoroughly purged and cleaned or inerted and a vent or opening is provided to allow for sufficient release of any buildup pressure before heat is applied.8.5.2.b. Diesel fuel shall not be allowed to enter pipelines or containers that have been welded, soldered, brazed or cut until the metal has cooled to ambient temperature.