33 C.F.R. § 145.01 Portable and semi-portable fire extinguishers.
Title 33 - Navigation and Navigable Waters
On all manned platforms and on all unmanned platforms where crews are continuously working on a 24-hour basis, approved type portable fire extinguishers and/or approved type semi-portable fire extinguishers shall be installed and maintained. On all unmanned platforms where crews are not continuously working on a 24-hour basis, approved type portable fire extinguishers and/or approved type semi-portable fire extinguishers are required to be installed and maintained only when crews are working thereon. [CGFR 56–4, 21 FR 903, Feb. 9, 1956]
Title 33: Navigation and Navigable Waters
PART 145—FIRE-FIGHTING EQUIPMENT
§ 145.01 Portable and semi-portable fire extinguishers.

