49 CFR § 178.347-3 - Manhole assemblies.

Each manhole assembly must conform to § 178.345–5, except that each manhole assembly must be capable of withstanding internal fluid pressures of 40 psig or test pressure of the tank, whichever is greater.

[Amdt. 178–89, 54 FR 25030, June 12, 1989. Redesignated by Amdt. 178–112, 61 FR 18934, Apr. 29, 1996]