In the spot where Irma fell, the lake is very deep and the bottom is covered with thick vegetation.

Thickness

6.6.4.4.4 For vacuum insulated tanks, the aggregate thickness of the jacket and the shell shall correspond to the minimum thickness prescribed in 6.6.4.4.2, the thickness of the shell itself being not less than the minimum thickness prescribed in 6.6.4.4.3.

6.6.2.4.2 The cylindrical portions, ends (heads) and manhole covers of shells not more than 1.80 m in diameter shall be not less than 5 mm thick in the reference steel or of equivalent thickness in the metal to be used.

6.6.3.4.2 The cylindrical portions, ends (heads) and manhole covers of shells of not more than 1.80 m in diameter shall be not less than 5 mm thick in the reference steel or of equivalent thickness in the steel to be used.

were thickly crusted, one and all.

were thickly crusted one and all.

All parts of the shell shall have a minimum thickness as determined by 6.6.2.4.2 to 6.6.2.4.4.

All parts of the shell shall have a minimum thickness as determined by 6.6.3.4.1 to 6.6.3.4.3.

All parts of the shell shall have a minimum thickness as determined by 6.6.4.4.1 to 6.6.4.4.6.

L thickness of insulation layer m

L thickness of insulation layer m

6.6.2.4 Minimum shell thickness

6.6.3.4 Minimum shell thickness

6.6.4.4 Minimum shell thickness

(e) Determine the internal structure of the asteroid, in particular the sizes of the main solid pieces, the average particle size and thickness of the regolith and of the debris layers in the space left between the main pieces

This thickness shall be exclusive of any corrosion allowance.

6.6.3.4.4 The equivalent thickness of a steel other than the thickness prescribed for the reference steel in 6.6.3.4.2 shall be determined using the following formula

6.6.2.4.6 The equivalent thickness of a metal other than the thickness prescribed for the reference steel in 6.6.2.4.3 shall be determined using the following equation

The thickness of aluminium liner is 2.1 mm.

Equivalent thickness in reference steel _ mm

Stamp of expert who performed or witnessed the most recent test _

(ii) is approximately of the same size and mass as the existing equipment and

Shells of more than 1.80 m in diameter shall be not less than 6 mm thick in the reference steel or of equivalent thickness in the steel to be used.

6.6.4.4.6 The equivalent thickness of a metal other than the thickness prescribed for the reference steel in 6.6.4.4.2 and 6.6.4.4.3 shall be determined using the following equation

As if in a dream, two years passed since.

Shells of more than 1.80 m in diameter shall be not less than 6 mm thick in the reference steel or of equivalent thickness in the metal to be used.

Shells more than 1.80 m in diameter shall be not less than 4 mm thick in the reference steel or of equivalent thickness in the metal to be used.

6.6.4.4.2 Shells of not more than 1.80 m in diameter shall be not less than 5 mm thick in the reference steel or of equivalent thickness in the metal to be used.

Such shells of more than 1.80 m in diameter shall be not less than 4 mm thick in the reference steel or of equivalent thickness in the metal to be used.

Shells more than 1.80 m in diameter shall be not less than 6 mm thick in the reference steel or of equivalent thickness in the metal to be used, except that for powdered or granular solid substances of Packing Group II or III the minimum thickness requirement may be reduced to not less than 5 mm thick in the reference steel or of equivalent thickness in the metal to be used.

6.6.2.4.4 The cylindrical portions, ends (heads) and manhole covers of all shells shall be not less than 3 mm thick regardless of the material of construction.

Motoyuki Fujii (Japan), Ministry of Health and Welfare, Tokyo

Takahiro Terasaki (Japan), Ministry of Health and Welfare, Tokyo

It's created depositing layers of about four microns.

Minimum shell thickness (mm reference steel) Bottom opening requir ements

(a) the minimum thickness determined in accordance with the requirements in 6.6.3.4 and

thickness (mm reference steel)

6.6.4.4.3 Shells of vacuum insulated tanks of not more than 1.80 m in diameter shall be not less than 3 mm thick in the reference steel or of equivalent thickness in the metal to be used.

e1 required equivalent thickness (in mm) of the steel to be used

6.6.3.4.3 The cylindrical portions, ends (heads) and manhole covers of all shells shall be not less than 4 mm thick regardless of the material of construction.

(a) the minimum thickness determined in accordance with the requirements of 6.6.2.4.2 to 6.6.2.4.10

e1 required equivalent thickness (in mm) of the metal to be used

eo minimum thickness (in mm) for the reference steel specified in 6.6.3.4.2

(a) the minimum thickness determined in accordance with the requirements in 6.6.4.4.2 to 6.6.4.4.7 and