StacksVerified U.S. regulatory reference

46 CFR §174.325

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
When doing the calculations required by § 174.310 of this subpart—
  1. (a)Equalization arrangements requiring mechanical aids, such as valves, may not be assumed to be effective in reducing the angle of heel; and
  2. (b)Spaces joined by ducts may be assumed to be common spaces only if equalization takes place within 15 minutes after flooding begins.