46 CFR 45.157: Scuppers and gravity drains.
Where this section sits in the code
- Title 46—Shipping
- CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
- SUBCHAPTER E—LOAD LINES
- PART 45—GREAT LAKES LOAD LINES
- Subpart D—Conditions of Assignment
Scuppers and gravity deck drains from spaces above the freeboard deck that penetrate the shell below a line 24″ or .05B above the summer loadline, whichever is greater, must have an automatic nonreturn valve. This valve may be omitted if the piping is of thickness not less than extra heavy pipe.
Collected 2026-08-27T02:26:22Z. Source file · JSON