[Code of Federal Regulations] [Title 46, Volume 7] [Revised as of October 1, 2004] From the U.S. Government Printing Office via GPO Access [CITE: 46CFR197.336] [Page 429] TITLE 46--SHIPPING CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED) PART 197_GENERAL PROVISIONS--Table of Contents Subpart B_Commercial Diving Operations Sec. 197.336 Pressure piping. Piping systems that are not an integral part of the vessel or facility, carrying fluids under pressures exceeding 15 psig must-- (a) Meet the ANSI Code; (b) Have the point of connection to the integral piping system of the vessel or facility clearly marked; and (c) Be tested after every repair, modification, or alteration to the pressure boundaries as set forth in Sec. 197.462.