WAR DEPARTMENT : : : CORPS OF ENGINEERS RULES AND REGULATIONS RELATING TO THE NAVIGABLE WATERS WITH THE EXCEPTION OF THOSE FOR THE NORTHERN ADDITIONAL COPIES OF THIS PUBLICATION MAY BE PROCURED FROM THE SUPERINTENDENT OF DOCUMENTS WASHINGTON, D. c. AT 50 CENTS PER COPY ALL HARBORS, RIVERS, AND INLAND WATERS OF THE UNITED STATES, EXCEPT THE GREAT LAKES AND THEIR CONNECTING AND TRIBUTARY WATERS, THE RED RIVER OF THE NORTH, AND THE RIVERS EMPTYING INTO THE GULF OF MEXICO AND THEIR TRIBUTARIES Display of signals on, and the operation of, all craft and accessories working on wrecks, engaged in dredging, surveying, or other work of improvement, and the use and navigation of the waters in the vicinity-Rules of Department of Commerce, and supplemental regulations of the War Department prescribed November 15, 1919 (E. D. 101107/24) [The law-Sec. 7 of act of Congress approved August 8, 1917] 1 RULES OF THE DEPARTMENT OF COMMERCE [Authority: Sec. 2, act of Congress approved June 7, 1897, as amended by act approved May 25, 1914] 1. RULE FOR SIGNALS TO BE DISPLAYED BY A TOWING VESSEL WHEN TOWING A SUBMERGED OR PARTLY SUBMERGED OBJECT UPON A HAWSER WHEN NO SIGNALS ARE DISPLAYED UPON THE OBJECT WHICH IS TOWED The vessel having the submerged object in tow shall display by day, where they can best be seen, two shapes, one above the other, not less than 6 feet apart, the lower shape to be carried not less than 10 feet above the deck houses. The shapes shall be in the form of a double frustum of a cone, base to base, not less than 2 feet in diameter at the center nor less than 8 inches at the ends of the cones, and to be not less than 4 feet lengthwise from end to end, the upper shape to be painted in alternate horizontal stripes of black and white, 8 inches in width, and the lower shape to be painted a solid bright red. By night the towing vessel shall display the regular side lights, but in lieu of the regular white towing lights shall display four lights in a vertical position not less than 3 feet nor more than 6 feet apart, the upper and lower of such lights to be white and the two middle lights to be red, all of such lights to be of the same character as is now prescribed for the regular towing lights. 2. RULE FOR STEAMERS, DERRICK BOATS, LIGHTERS, OR OTHER TYPES OF VESSELS MADE FAST ALONGSIDE A WRECK, OR MOORED OVER A WRECK WHICH IS ON THE BOTTOM OR PARTLY SUBMERGED, OR WHICH MAY BE DRIFTING Steamers, derrick boats, lighters, or other types of vessels made fast alongside a wreck, or moored over a wreck which is on the bottom or partly submerged, or which may be drifting, shall display by day two shapes of the same character and dimensions and displayed in the same manner as required by the foregoing rule, except that both the shapes shall be painted a solid bright red, but where more than one vessel is working under the above conditions, the shapes need be displayed only from one vessel on each side of the wreck from which it can best be seen from all directions. By night this situation shall be indicated by the display of a white light from the bow and stern of each outside vessel or lighter not less than 6 feet above the deck, and in addition thereto shall be displayed in a position where they 1 See appendix. 1 |