Section 56.70-1 - [Effective until 9/10/2024] General(a) The following generally applies to all types of welding, such as stud welding, casting repair welding and all processes of fabrication welding. Where the detailed requirements are not appropriate to a particular process, alternatives must be approved by the Marine Safety Center.CGD 77-140, 54 FR 40614, Oct. 2, 1989