CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER L—OFFSHORE SUPPLY VESSELS (parts 125 to 135) > PART 128—MARINE ENGINEERING: EQUIPMENT AND SYSTEMS > SUBPART B—Materials and Pressure Design (§128.210 to §128.240) > 128.210—Class II vital systems—materials.

128.210—Class II vital systems—materials.

Except as provided by §§ 128.230 and 128.240 of this subpart, instead of complying with part 56 of this chapter, materials used in Class II vital piping-systems may be accepted by the cognizant OCMI or the Commanding Officer, Marine Safety Center, if shown to provide a level of safety equivalent to materials in subpart of this chapter.