Maritime History of the Great Lakes

Marine Review (Cleveland, OH), August 1909, p. 273

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August, 1909 by paddle wheels in which the tonnage of the space occupied by and necessary for the proper working of the boilers and machinery is above 20 per centum and' under 30 per centum of the gross tonnage, the deductions shall be 37 per centum of the gross tonnage; and in ships propelled by screws in which the tonnage of the space is above 13 per centum and under 20 per centum of the gross tonnage, the deduction shall be 30 per centum of the gross tonnage. In the case of the screw steamers the contents of the trunk shaft shall be deemed spaces necessary for the proper working of the machin- ery.' "(x) In the case of the other. vessels in which the actual space occupied by the propelling machinery amounts in the case. of paddle vessels to 20 per centum or under and in the case of screw vessels to be 13 per centum or under of the gross tonnage of the ship, the deduction shall consist in the case of paddle vessels of once and a half the tonnage of the actual machinery Space and in the . case. of..the. screw vessels of once and three-fourths the tonnage of the actual machinery space. But if actual machinery space is so large as to amount in the case of paddle vessel to 30 per centum or above ef the gross tonnage of the ship, the deduction shall consist of 37 per centum of the gross tonnage of the ship in the case of a paddle vessel and 32 per centum of the gross tonnage in the case of a screw vessel, or if the owner prefers there shall be deducted from the gross tonnage of the vessel the tonnage of the space or spaces actually occupied by or required to be inclosed for the proper working of the boilers and machinery, including the trunk shafts or alley in screw steam- ers, with the addition in the case of ves- sels propelled with paddle wheels of 50 per centum, and in the case of vessels propelled by screws of 75 per centum of the tonnage of such space. "(h) If there be a break, a poop, or any other permanent closed-in space on the upper deck available for cargo or stores, or for the berthing or ac- commodation of passengers or crew, the tonnage of that space shall be as- certained and added to the gross ton- nage. Provided, that nothing shall be added to the gross tonnage for any sheltered space above the upper deck which is under cover and open to the weather; that is, not enclosed. "(i) On a_ request in writing to the commissioner of navigation by the owners of a ship the tonnage of such Portion of the space or spaces above the crown of the engine room and above the upper deck, as is framed 'in for "TAE MarRINE REVIEW the machinery, or for the admission of light and air and not required to be added to gross tonnage shall, for the purpose of ascertaining the tonnage of the space occupied by the propelling power, be added to the tonnage of the engine space; but it shall'then be in- cluded in the gross tonnage. Such space or spaces must be reasonable in extent, safe and seaworthy, and cannot be used for any purpose other than the machinery or for the admission of light and air to the machinery or boil- ers of the ship. 'And. the proper. deduction from the gross tonnage having been made, the remainder shall be deemed the net or register tonnage of such vessels. e Vhe«srepister 'or other. - official. cer: tificate of the tonnage or nationality of a vessel of the United States, in ad- dition to what is now law to be expressed therein, shall state separately the deduction made from the gross tonnage, and shall also state the net or register tonnage of the vessel. "But the outstanding registers or enrollments of vessels of the United States shall not be rendered void by the addition of such new statement of her tonnage, unless voluntarily sur- rendered; but the same may be added to the outstanding~document or by an appendix thereto, with a certificate of a collector of ¢ustoms that the orig- inal estimate of tonnage is amended. "In the case of a ship constructed with a double bottom for water bal- last, if the space between the inner and outer plating thereof is certified by the collector to be not available for the carriage of cargo, stores or fuel, then the depth of the vessel shall be taken to be the upper side of the inner plating of the double bottom, and that upper side shall for the purposes of meastirement be deemed to represent the floor timber. "Upon application by the owner or master of an American vessel in for- eign trade, collectors of customs, un- der regulations to be approved by the secretary. of the treasury, are authorized to attach to the register of vessel an appendix stating separately, for use in foreign ports, the measurement of such space or spaces as are permitted to be deducted from gross tonnage by - the rules of other nations and are not per- mitted by the laws of the United States. "Sec, 2. That this act shall not be construed to require the re-measure- ment of any American vessel duly measured before April 1, 1895; but upon application of the owner of any such vessel collectors of customs shall cause such vessel, or the- spaces to be de- required by. 213 ducted, to be measured according to the provisions of this act, and if a. new register is not issued the state. ment of such remeasurement shall be attached' by an appendix to the out- standing register or enrollment with a certificate of the. collector of customs that the original estimate of tonnage is amended pursuant to this act. "Sec. 3. That the provisions of this act requiring a crew space of 72 cu. ft. per man shall apply only to vessels the construction of which shall-be begun after June 30, 1895. - "Sec. 4. That under the direction of the' sectetary. of the treastirty tye commission of navigation shall make regulations needful to give effect to the provisions of this act. "Sec, s-5).chat. this act. shall. fave effect on the first day of April, 1895. Approved, March 2, 1895." Fig. 61 shows the captain's quarters and pilot house; Fig. 62 shows the cabins and officers' quarters; Fig. 63 shows dunnage room; Fig, 64 shows galley, dining room and officers' quar- ters aft; Fig. 65 shows firemen's quar- ters. yt The net tonnage of this vessel is 6,189 tons. The hold is 447 ft. long and measures 610,706 cu. ft, allowing 4 per cent for taper of the ends would leave ac- tual tonnage capacity of 586,278. cu. ft equal to" 5.662.785 net fons: -- [ne space in coal bunker reserve tank forward and_ sundries would make up the difference in the registered ton- nage. : The gross register tonnage is 64 per cent of the cargo of ore and the net register tonnage is 77 per cent of the gross register tonnage. The gross reg- ister tonnage is 43 per cent of the displacement, which will be found near- ly correct for all cargo vessels on the great lakes. The net register tonnage of passenger vessels is 55 per cent of the gross register tonnage. : The T. S. Marvel Ship Building Co., Newburgh, N. Y., has nearly completed the large floating dry dock which it is building for the Philadelphia Ship Re- pair Co. The dock will be towed to its destination at the foot of Mifflin street, Philadelph'a. The dock is capable of lifting a vessel of 3,500 tons dead-. weight. The Maryland Steel Co., Sparrow's Point, Md, is building a barge 224 ft. in length, 35 ft. beam, and 16% ft. deep for the Barrett Mfg. Co., of Philadelphia. She is designed to car- ry 3,000 gallons of tar.

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