[Code of Federal Regulations] [Title 33, Volume 2] [Revised as of July 1, 2003] From the U.S. Government Printing Office via GPO Access [CITE: 33CFR146.105] [Page 157] TITLE 33--NAVIGATION AND NAVIGABLE WATERS CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 146--OPERATIONS--Table of Contents Subpart B--Manned OCS Facilities Sec. 146.105 General alarm system. Each manned facility must have a general alarm system. When operated, this system shall be audible in all parts of the structure on which provided.