Section 6575.6 - Natural Ventilation System(a) Except for compartments open to the atmosphere, a natural ventilation system that meets the requirements of Section 6575.7 must be provided for each compartment in a boat that--(1) Contains a permanently installed gasoline engine;(2) Has openings between it and a compartment that requires ventilation, where the aggregate area of those openings exceeds two percent of the area between the compartments, except as provided in paragraph (c) of this section;(3) Contains a permanently installed fuel tank and an electrical component that is not ignition protected in accordance with 33 CFR 183.410(a);(4) Contains a fuel tank that vents into that compartment; or(5) Contains a nonmetallic fuel tank with an aggregate permeability rate of more than the greater of 1.2 grams of fuel loss in 24 hours, or 1.2 grams of fuel loss in 24 hours per cubic foot of net compartment volume. Reference fuel "C" at 40 C plus or minus 2 C from ASTM standard D-471-79, dated May, 1979, is to be used in determining the permeability rate.(b) Each natural ventilation system must be constructed so that-- (1) Each supply opening required in Section 6575.7 is located on the exterior surface of a boat; or(2) Air will flow into or out of the supply or exhaust openings required in Section 6575.7 when the boat is in a wind flowing from bow to stern at a velocity of ten miles per hour when the engine is not operating.(c) An accommodation compartment above a compartment requiring ventilation that is separated from the compartment requiring ventilation by a deck or other structure is excepted from paragraph (a)(2) of this section.Cal. Code Regs. Tit. 14, § 6575.6
1. New section filed 1-28-83; effective thirtieth day thereafter (Register 83, No. 5).
2. Amendment of subsections (a)(5) and (b)(1) filed 11-25-87; operative 12-25-87 (Register 87, No. 49). Note: Authority cited: Section 652, Harbors and Navigation Code. Reference: Section 652, Harbors and Navigation Code; and 33 CFR 183.620.
1. New section filed 1-28-83; effective thirtieth day thereafter (Register 83, No. 5).
2. Amendment of subsections (a)(5) and (b)(1) filed 11-25-87; operative 12-25-87 (Register 87, No. 49).