79 STAT. ]
PUBLIC LAW 89-219-SEPT. 29, 1965
891
Public Law 89-219 AN ACT
September 29, 1965
To provide for the nieasureiiieut of the gross and n e t tonnages for certain vessels having t w o o r more decks, and for other piiriwses.
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Be it enacted by the Senate and House of Representatives of the United States of America in Conqress a.^sembled. That as used in .,. . l/lllS -tTLCt '.
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^f^^^eis Gross and net tonnage m e a s u r e -
(a) The term "uppermost complete deck" means the uppermost ments. complete deck of a vessel exposed to sea and weather, which shall be deemed to be that deck which has permanent means of closing all openings in the weather portions thereof, provided that any opening in the side of the vessel below that deck, other than an opening abait a transverse watertight bulkhead placed aft of the rudder stock, is fitted with permanent means of watertight closing. (b) The term "second deck" means the deck next below the uppermost complete deck which is continuous in a fore-and-aft direction at least between peak bulkheads, is continuous athwartships, is fitted as an integral and permanent part of the vessel's structure, and has proper covers to all main hatchways. Interruptions in way of propelling machinery space openings, ladder and stairway openings, trunks, chain lockers, cofferdams, or steps not exceeding a total height of forty-eight inches shall not be deemed to break tfie continuity of the deck. (c) The term "trunks" as used in the definition of second deck shall be deemed to refer to hatch or ventilation trunks which do not extend longitudinally completely between main transverse bulkheads. (d) The term "Secretary" means the Secretary of the Treasury. SEC. 2. I n the measurement of a vessel under sections 4148, 4151, Exclusion of and 4153 of the Revised Statutes, as amended (46 U.S.C. 71, 75, 77), %"^TJ! ^'° upon application of the owner and approval by the Secretary, there shall be omitted from inclusion in the gross tonnage— (a) those spaces available for the carriage of dry cargo or stores which are located between the uppermost complete deck and the second deck, and other spaces so located which would be omitted from gross tonnage under the provisions of section 4153 if above the upper deck, provided that a tonnage mark is placed and displayed on the vessel in accordance with the provisions of this Act, so long as that tonnage mark is not submerged; (b) those spaces which are located on or above the uppermost complete deck and which are available for the carriage of dry cargo or stores, without regard to whether a tonnage mark is placed or displayed on the vessel or, if placed or displayed, without regard to whether that mark is submerged; and (c) those spaces which are located on the uppermost complete deck and which are used for cabins or staterooms, provided that a tonnage mark is placed and displayed on the vessel, so long as that tonnage mark is not submerged. SEC. 3. The tonnage mark shall be a horizontal line, upon which Tonnage mark. shall be placed for identification an inverted equilateral triangle, with its apex on the midpoint of the line. The mark shall be placed and displayed on each side of the vessel, subject to such specifications as to location and dimensions as are prescribed in regulations issued under this Act. SEC. 4. No tonnage mark shall be required to be placed or displayed Location of above the statutory summer loadline prescribed in accordance with the '^^^'
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