Section 1. Section fourteen (c) of Act Numbered Fourteen hundred and seven, entitled "The Reorganization Act," is hereby amended to read as follows:
"(c) The Bureau of Navigation, in addition to the duties and. services required by this section, shall have charge and supervision of-
"1. The construction, maintenance, and operation of all vessels belonging to or under its charge;
"2. The illumination, inspection, superintendence, and construction of all light-houses and the lights and buildings pertaining thereto, and of all buoys, beacons, light vessels, seamarks, and their appurtenances, in the Philippine Islands;
"3. All navigable rivers, harbors, and other navigable waters in the Philippine Islands, except such as are by law assigned to the Bureau of Coast and Geodetic Survey, all improvements in connection therewith, including wharf, dock, pier, and bulkhead construction, and all other port works;
"4. All bridges on tide waters abutting on any construction work the control of the Bureau of Navigation;
"5. The making or reclaiming of lands by dredging, filling, or otherwise;
"6. The erection of all structures connected with the improvement, of facilities for loading or unloading vessels; and the said Bureau shall perform all other duties and render all other services prescribed by law for the former Bureau of Coast Guard and Transportation."