Intermittent welding shall be placed on both sides
of the stiffener and may be either staggered or in-line.
Length of individual fillet weld segments shall not be less
than 2 in. (50 mm) and shall have a maximum clear spacing
between toes of adjacent weld segments of 8t for external
rings and 12t for internal rings where t is the shell thickness
at the attachment. The total length of weld on each side
of the stiffening ring shall be