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Regulation of length of towlines 33 U.S.C. 152

The Commandant of the Coast Guard shall prepare regulations limiting the length of hawsers between towing vessels and seagoing barges in tow and the length of such tows within any of the inland waters of the United States designated and defined from time to time pursuant to section 151 of this title, and such regulations shall have the force of law. Penalty for use of unlawful towline 33 U.S.C. 153

The master of the towing vessel shall be liable to the suspension or revocation of his license for any willful violation of regulations issued pursuant to section 152 of this title in the manner now prescribed for incompetency, misconduct, or unskillfulness. Watertight bulkheads in lake steamers carrying passengers 46 U.S.C. 482 (R.S. 4490)

Every seagoing steamer, and every steamer navigating the great northern or northwestern lakes, carrying passengers, the building of which shall be completed after Aug. 28, 1871, shall have not less than three water-tight cross bulkheads, such bulkheads to reach to the main deck in single-decked vessels, otherwise to the deck next below the main deck; to be made of iron plates, sustained upon suitable framework; and to be properly secured to the hull of the vessel. The position of such bulkheads and the strength of material of which the same shall be constructed shall be determined by the general rules of the Commandant of the Coast Guard. Watertight bulkheads not required on certain steamers 46 U.S.C. 483

Steam vessels of one hundred tons burden or under, engaged in the coast wise bays and harbors of the United States, may be licensed by the Coast Guard to carry passengers or excursions

on the ocean or upon the Great Lakes of the North or Northwest, not exceeding fifteen miles from the mouth of such bays or harbors, without being required to have the three water-tight cross bulkheads provided by section 182 of this title for other passenger steamers: Provided, That in the judgment of the Coast Guard such steamers shall be safe and suitable for such navigation without danger to human life, and that they shall have one water-tight collision bulkhead not less than five feet aba ft the stem of said steamer. Boilers, unfired pressure vessels, and appurtenances; machinery

and electrical equipment 46 U.S.C. 392 (R.S. 4418)

(a) The head of the department in which the Coast Guard is operating shall require the Coast Guard to inspect, before the same shall be put into service and once at least in every year thereafter, the boilers, unfired pressure vessels, and appurtenances thereof, also

the propelling and auxiliary machinery, electrical apparatus and equipment, of all passenger vessels subject to inspection.

(b) The head of the department in which the Coast Guard is operating also shall require the Coast Guard to inspect, before the same shall be put into service and at least once in every two years thereafter, the boilers, unfired pressure vessels, and appurtenances thereof, also the propelling and auxiliary machinery, electrical apparatus and equipment, of all vessels subject to inspection other than passenger vessels.

(c) The head of the department in which the Coast Guard is operating shall require the Coast Guard to determine to its satisfaction by thorough examination that the boilers, unfired pressure vessels, and appurtenances thereof, also the propelling and auxiliary machinery, electrical apparatus and equipment of all vessels which are subject to inspection under subsections (a) and (b) of this section are in conformity with law and the rules and regulations of the head of the department in which the Coast Guard is operating, and may be safely employed in the service proposed. No boiler, unfired pressure vessel, or appurtenances thereof shall be allowed to be used if constructed in whole or in part of defective material or which because of its form, design, workmanship, age, use, or for any

other reason is unsafe. (d) At each original inspection and at each annual or biennial inspection thereafter, whichever is applicable, all boilers, unfired pressure vessels, and main steam piping shall be subjected to hydrostatic tests or such other tests as may be prescribed by the head of the department in which the Coast Guard is operating. The ratio of the hydrostatic test to the maximum working pressure shall be determined by action of the head of the department in which the Coast Guard is operating. Obstructing safety valves 46 U.S.C. 413 (R.S. 4437)

Every person who intentionally loads or obstructs, or causes to be loaded or obstructed, in any way or manner, the safety valve of a boiler, or who employs any other means or device whereby the boiler may be subjected to a greater pressure than the amount allowed by the certificate of the Coast Guard, or who intentionally deranges or hinders the operation of any machinery or device employed to denote the state of the water or steam in any boiler, or to give warning of approaching danger, or who intentionally permits the water to fall below the prescribed low-water line of the boiler, and every person concerned therein, directly or indirectly, shall be guilty of a misdemeanor, and shall be fined $200, and may also be imprisoned not exceeding five years. Control of safety valves and steam gauges 46 U.S.C. 393 (R.S. 4419)

One of the safety valves may, if in the opinion of the Coast Guard it is necessary to do so, and the steam gauges shall, be taken wholly from the control of all persons engaged in navigating such vessel and secured by the Coast Guard.

Construction of boilers and unfired pressure vessels 46 U.S.C. 406 (R.S. 4428)

All boilers and unfired pressure vessels constructed of iron or steel plates or other approved metals for use on vessels subject to inspection shall be made of material that has been tested, inspected, and stamped in accordance with the requirements of this Act. Punishment for improper construction 46 U.S.C. 407 (R.S. 4429)

Any person, firm, or corporation who constructs a boiler, or steam pipe connecting the boilers, or an unfired pressure vessel for use on vessels subject to inspection, of iron or steel plates or other approved metals which have not been duly tested, inspected, and stamped according to the provisions of this Act and the requirements of the Commandant of the Coast Guard; or who knowingly uses any defective material in the construction of such boiler, steam pipe, or pressure vessel; or who drifts any rivet hole to make it come fair; or who delivers any such boiler, steam pipe, or pressure vessel for use, knowing it to be defective in design, material, or construction, shall be fined $1,000. Nothing in this Act shall be so constructed as to prevent from being used on such vessels any boiler, steam generator, steam pipe, or unfired pressure vessel which may not be constructed of riveted iron or steel plates: Provided, That scientific data and facts are submitted to enable the Commandant of the Coast Guard to satisfy himself that such boiler, steam generator, or pressure vessel is equal in strength and as safe from explosion as one of the best quality of iron or steel plates of riveted construction: Provided, however, That the Commandant of the Coast Guard may grant permission to use any boiler, steam generator, or unfired pressure vessel not of iron or steel plate riveted construction upon the certificate of the Coast Guard official for the district wherein such boiler, steam generator, or pressure vessel is to be used, and other satisfactory proof that the use of the same is safe and efficient, said permit to be valid until the Commandant of the Coast Guard acts thereon: Provided further, That such boilers, steam generators, or pressure vessels

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be constructed with seamless shells or by means of any approved method of welding governed by the rules and regulations prescribed by the Commandant of the Coast Guard. Boiler plates 46 U.S.C. 408 (R.S. 4430)

All iron or steel plates, or other material used in the construction of boilers or unfired pressure vessels for use on vessels subject to inspection shall be tested and inspected in such manner as shall be prescribed by the Commandant of the Coast Guard, so as to enable the Coast Guard to ascertain the tensile strength, homogenity, toughness, and ability to withstand the effect of repeated heating and cooling; and no plate or other material shall be used in the construction of such boilers or pressure vessels which has not been tested, inspected, and approved under the rules and regulations of the Commandant of the Coast Guard: Provided, however, That small un

fired pressure vessels having diameters not exceeding thirty inches and subject to a maximum allowable working pressure not exceeding one hundred pounds per square inch shall be exempt from this requirement.

The Commandant of the Coast Guard may detail Coast Guard officials to inspect iron or steel plates or other material at the mills where the same are manufactured; and if such plates or material are found in accordance with the rules of the Commandant of the Coast Guard, the Coast Guard official shall stamp the same with the initials of his name and the official stamp of the Coast Guard, which stamp shall be authorized by the Commandant; and material so stamped shall be accepted by the Coast Guard officials of the various districts as being in full compliance with the requirements of this section regarding the test and inspection of such plates and material: Provided, That any person, firm, or corporation who affixes any false, forged, fraudulent, spurious, or counterfeit of the stamp herein authorized to be put on by a Coast Guard official shall be deemed guilty of a felony and shall be fined not less than $1,000 nor more than $5,000 and imprisoned not less than two years nor more than five years. Stamping boiler plates 46 U.S.C. 409 (R.S. 4431)

Every plate of iron or steel, made for use in the construction of boilers, unfired pressure vessels, or riveted steam pipe shall be distinctly and permanently stamped by the manufacturer thereof, and, if practicable, in such places that the marks shall be left visible when such plates are assembled, with the name of the manufacturer, and the minimum tensile strength in pounds per square inch, and the Coast Guard officials shall keep a record in their office of the stamps upon all plates, material, and boilers which they inspect. Counterfeiting stamps 46 U.S.C. 410 (R.S. 4432)

Any person, firm, or corporation who counterfeits, or causes to be counterfeited, any of the marks or stamps prescribed for iron or steel plates or other material tested and inspected under this Act, or who designedly stamps, or causes to be stamped falsely, any such plates or material; and every person who stamps or marks, or causes to be stamped or marked, any such plates or material with the name or trade-mark of another, with the intent to mislead or deceive, shall be fined $2,000, and may in addition thereto, at the discretion of the court, be imprisoned not exceeding two years. Regulatory powers of Commandant of the Coast Guard as to

boilers, etc. 46 U.S.C. 411 (R.S. 4433)

The Commandant of the Coast Guard is empowered to prescribe formulas, rules, and regulations for the design, material, and construction of boilers, unfired pressure vessels, and appurtenances thereof, and steam piping for use on vessels subject to the provisions of this Act. The maximum working pressure shall be determined

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by formulas prescribed by the Commandant of the Coast Guard and no such boiler, pressure vessel, or appurtenance thereof shall be designed or operated where the factor of safety is less than four: Provided, That the minimum thickness and maximum allowable working pressure of valves, fittings, and other appurtenances shall be determined by formulas prescribed by the Commandant of the Coast Guard. (June 13, 1933.) Thickness of boiler plate 46 U.S.C. 412 (R.S. 4434)

The maximum allowable thickness of shell plates and the details of material, design, and construction of externally fired boilers shall be determined by action of the Commandant of the Coast Guard. Inspection of crew quarters 46 U.S.C. 660a

(a) The Coast Guard shall inspect the crew quarters of every American vessel, at least once in each month, or at such times as such vessel shall enter an American port, and shall satisfy itself that such quarters are of the size required by law or regulations issued thereunder, are properly ventilated and in a clean and sanitary condition, and are equipped with the proper plumbing and mechanical appliances required by law or regulations issued thereunder, and that such plumbing and mechanical appliances are in good working order and condition.

(b) Whenever it shall be found that the crew quarters of any such vessel are not of the size required by law or regulations issued thereunder or are not properly ventilated or are not in a clean and sanitary condition or are not equipped with the proper plumbing and mechanical appliances required by law or regulations issued thereunder, or that such plumbing and mechanical appliances are not in good working order and condition, the appropriate Coast Guard Official shall withdraw the certificate of inspection of such vessel and refuse to reissue the same until such improper conditions have been corrected; and the master or other licensed officer of such vessel who shall have willfully or negligently permitted such vessel to be in such improper condition shall be subject to a penalty of not more than $500. Use of instruments for security of life to be approved 46 U.S.C. 489 (R.S. 4491)

No kind of instrument, machine, or equipment for the better security of life, provided for by title 52 of the Revised Statutes, shall be used on any steam vessel which shall not first be approved by the Commandant of the Coast Guard. Certificate; temporary certificate; completion of voyage after

expiration 46 U.S.C. 399 (R.S. 4421)

When the inspection of a steam vessel is completed and the Secretary of the Department in which the Coast Guard is operating ap

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