CFR > Title 33 - Navigation and Navigable Waters > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER NN—DEEPWATER PORTS (parts 148 to 150) > PART 149—DEEPWATER PORTS: DESIGN, CONSTRUCTION, AND EQUIPMENT > SUBPART D—Firefighting and Fire Protection Equipment (§149.400 to §149.421) > 149.421—What is the requirement for a previously approved fire detection and alarm system on a deepwater port?

149.421—What is the requirement for a previously approved fire detection and alarm system on a deepwater port?

An existing fire detection and alarm system on a deepwater port need not meet the requirements in this subpart until the system needs replacing, provided it is periodically tested and maintained in good operational condition.