Part 1—Regulations and Other Information

CODE OF FEDERAL REGULATIONS – TITLE 33 – NAVIGATION AND NAVIGABLE WATERS

PART 183—BOATS AND ASSOCIATED EQUIPMENT
Subpart K—Ventilation

Source: CGD 76-082, 44 FR 73027, Dec. 17, 1979, unless otherwise noted.

Sec. 183.601—Applicability

This subpart applies to all boats that have gasoline engines for electrical generation, mechanical power, or propulsion.

[USCG-1999-5832, 64 FR 34716, June 29, 1999]

Sec. 183.605—Definitions

As used in this subpart:

Fuel means gasoline.

Open to the atmosphere means a compartment that has at least 15 square inches of open area directly exposed to the atmosphere for each cubic foot of net compartment volume.

[CGD 76-082, 44 FR 73027, Dec. 17, 1979, as amended by CGD 85-098, 52 FR 19729, May 27, 1987]

Sec. 183.607—Incorporation by reference

(a) The following standards are incorporated by reference. Copies may be obtained from the sources indicated. They are also available for inspection at Coast Guard Headquarters, 2100 Second Street, SW., Washington, DC 20593-0001 and at the Office of the Federal Register Library, 800 North Capitol Street, NW., suite 700, Washington, DC 20408.

(1) AMCA Standard 210-74, Figure 12. Air Moving and Conditioning Association, 30 West University Drive, Arlington Heights, Illinois 60004.

(2) ASTM Standard D 471. American Society for Testing and Materials, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959.

(3) UL Standard 1128, Underwriters Laboratories, Incorporated, 12 Laboratory Drive, Research Triangle Park, NC 27709-3995.

(b) The Director of the Federal Register approved the incorporation by reference in paragraph (a)(2) on September 26, 1976 and the incorporations in paragraphs (a)(1) and (3) on March 24, 1978.

[CGD 76-082, 44 FR 73027, Dec. 17, 1979, as amended by CGD 82-010, 48 FR 8273, Feb. 28, 1983; USCG-2000-7223, 65 FR 40059, June 29, 2000]

Sec. 183.610—Powered ventilation system

(a) Each compartment in a boat that has a permanently installed gasoline engine with a cranking motor must:

(1) Be open to the atmosphere, or

(2) Be ventilated by an exhaust blower system.

(b) Each exhaust blower or combination of blowers must be rated at an air flow capacity not less than that computed by the formulas given in Table 183.610, Column 2. Blower rating must be determined according to AMCA Standard 210-74, Figure 12, or UL Standard 1128.

Table 183.610

1 Net compartment volume of engine compartment and compartments open thereto (V) cubic feet.
2 Rated blower capacity (Fr) cubic feet per minute.
3 Blower system output (Fo) cubic feet per minute.

(c) Each exhaust blower system required by paragraph (a)(2) of this section must exhaust air from the boat at a rate which meets the requirements of Table 183.610, Column 3 when the engine is not operating.

(d) Each intake duct for an exhaust blower must be in the lower one-third of the compartment and above the normal level of accumulated bilge water.

(e) More than one exhaust blower may be used in combination to meet the requirements of this section.

(f) Each boat that is required to have an exhaust blower must have a label that:

(1) Is located as close as practicable to each ignition switch;

(2) Is in plain view of the operator; and

(3) Has at least the following information:

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