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46 C.F.R. § 154.1844   Cargo tanks: Filling limits.

Title 46 - Shipping

Title 46: Shipping
PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES
Subpart E—Operations

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§ 154.1844   Cargo tanks: Filling limits.

(a) Unless a higher limit is specified on the certificate the master shall ensure that a cargo tank is not loaded:

(1) More than 98 percent liquid full; or

(2) In excess of the volume determined under the following formula:

$$

where:

V_L=maximum volume to which the tank may be loaded;

V=volume of the tank;

d_r=density at the reference temperature specified in paragraph (b) of this section; and

d_L=density of the cargo at the loading temperature and pressure.

(b) The reference temperature to be used in paragraph (a)(2) of this section is the temperature corresponding to the vapor pressure of the cargo at the set pressure of the pressure relief valves.

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