The tests include making a weld on the 48-inch diameter pipe, 18-inch support pipe, and plate tests in the vertical and overhead positions. The requirements for passing these welds include both radiographic and destructive testing., 1976-07, PCA0002-2b-33, Folder: PCA0002-2b. Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977, PCA 2. Alaska State Library - Historical Collections Finding Aids. https://alaska.libraryhost.com/repositories/2/archival_objects/17532 Accessed February 22, 2025.