33 CFR § 149.660 - What are the requirements for emergency power?

---
identifier: "/us/cfr/t33/s149.660"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "33 CFR § 149.660 - What are the requirements for emergency power?"
title_number: 33
title_name: "Navigation and Navigable Waters"
section_number: "149.660"
section_name: "What are the requirements for emergency power?"
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "NN"
subchapter_name: "DEEPWATER PORTS"
part_number: "149"
part_name: "DEEPWATER PORTS: DESIGN, CONSTRUCTION, AND EQUIPMENT"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1504, 1509; DHS Delegation No. 00170.1, Revision No. 01.4."
regulatory_source: "USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, unless otherwise noted."
cfr_part: "149"
---


# 149.660 What are the requirements for emergency power?

(a) Each pumping platform complex must have emergency power equipment including a power source, associated transforming equipment, and a switchboard to provide power to simultaneously operate all of the following for a continuous period of 18 hours:

(1) Emergency lighting circuits;

(2) Aids to navigation equipment;

(3) Communications equipment;

(4) Radar equipment;

(5) Alarm systems;

(6) Electrically operated fire pumps; and

(7) Other electrical equipment identified as emergency equipment in the operations manual for the deepwater port.

(b) The equipment required by paragraph (a) of this section must:

(1) All be located in the same space; and

(2) Contain only machinery and equipment for the supply of emergency power (*i.e.*, no oil or natural gas transfer pumping equipment) in accordance with 46 CFR 112.05.

[USCG-1998-3884, 71 FR 57651, Sept. 29, 2006, as amended by USCG-2013-0397, 78 FR 39180, July 1, 2013]