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(A) Before unloading operations are started and before any connection or contact is made with piping or other loading equipment, the tank car shall be electrically grounded, in an effective manner. Permanent electrical connection of not less than number 0 copper cable shall be made between the rails on which tank cars stand and the piping system of the storage plant.
(B) This connection may be accomplished in two ways. Rails may be bonded by means of standard rail bonds and connected to the permanent piping system with number 0 electric cable connections at each end of the loading or unloading section; or a similar connection may be made between each rail on which cars stand and the permanent piping system.
(1980 Code, § 27.040) Penalty, see § 98.999
(A) Generally. The withdrawal of liquids from tank cars through bottom outlets shall not be permitted. Tank cars shall be unloaded through dome (manhole) only. Pumps required to accomplish this shall be of adequate type and securely installed.
(B) Exception. Fuel oils may be unloaded by gravity.
(C) Use of compressed air. The use of compressed air to discharge contents of tank cars is prohibited, but this shall not be construed to prevent the use of a standard system employing an inert gas, such as carbon dioxide or nitrogen, as pressure generating medium for this purpose.
(1980 Code, § 27.041) Penalty, see § 98.999
Unloading from tank cars to tank trucks or to any portable containers shall not be permitted.
(1980 Code, § 27.042) Penalty, see § 98.999
After unloading pipe is inserted into dome of tank car and before any pumping is done, the dome shall be tightly covered with wet burlap or some other type of cover equally effective.
(1980 Code, § 27.043) Penalty, see § 98.999
(A) All connections between tank cars and pipe lines shall be in good condition and not permit leakage.
(B) Tank cars shall not be left connected to pipe lines except when loading or unloading is going on, and during all the time a competent person shall be present and in charge.
(C) The presence of flame lanterns, flame switch lights or other exposed flame lights or fires during the process of loading or unloading is prohibited.
(D) Siding used in connection with tank car unloading operations shall not be common to other users, or they shall be provided with necessary derails or with warning signs in accordance with § 4, Paragraph 697(b) of the Interstate Commerce Commission Regulations on the Transportation of Explosives.
(E) The unloading of tank cars and all operations in connection therewith shall be in full accord with the rules and regulations of the Interstate Commerce Commission.
(1980 Code, § 27.044) Penalty, see § 98.999
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