Shell Plate (Thickness)

Question 1

Minimum acceptable shell plate thickness, for each course shall ,,,,

Answer 1

shall not be < .1” (2.54 mm)

Question 2

The minimum dimension for a replacement shell plate is ,,,,,

Answer 2

12”. or 12T of the replacement plate, whichever is greater

Question 3

For existing shell plates over 1/2-in. thick, the outer edge of the butt weld attaching the replacement shell plate shall be at least the ,,,,, from the outer edge of any existing butt welded shell joints.

Answer 3

> of 8 times of the weld thickness or 10 in

Question 4

For existing shell plates 1/2-in. thick and less, the spacing may be reduced to ,,,,. from the outer edge of vertical joints or ,,,,,. from the outer edge of horizontal joints

Answer 4

6 in,

3 in

Question 5

For existing shell plates over 1/2-in. thick, the outer edge of the butt weld attaching the replacement shell plate shall be at least the ,,,,, from the outer edge of any existing fillet welded shell joints.

Answer 5

> of 8 times of the weld thickness or 10 in

Question 6

For existing shell plates 1/2-in. thick and less, the spacing may be reduced to ,,,,. from the outer edge of existing fillet welded joints

Answer 6

6 in

Question 7

For existing shell plates 1/2-in. thick and less, shell plates of unknown toughness not meeting the exemption criteria of Figure 5.2, the edge of any vertical weld joint attaching a replacement plate shall be ,,,,

Answer 7

at 3 in. or 5t