Surface Lamination
Main Member Type: | Base Metal |
Attached Member/ Detail Type: | Plate Girder |
Error Type: | Surface Lamination |
Description of Error: | Laminar discontinuity in the base metal apparent on the surface of the base metal. |
Solution Recommended: | The recommended solutions are based on the
description of the discontinuity: 1) for any discontinuity 1 inch in length or less, no plate repair is required, and need not be explored. 2) For any discontinuity over 1 inch in length and 1/8 inches maximum depth, no plate repair required, but the depth should be explored. 3) For any discontinuity over 1 inch in length with depth over 1/8 inches but not greater than 1/4 inches, removal is required, but not need weld. 4) For any discontinuity over 1 inch in length with depth over 1/4 inches but not grater than 1 inch, completely remove and weld are required. Aggregate length of the welding shall not exceed 20% of the length of the plate edge being repaired. 5) For any discontinuity over 1 inch in length with depth greater than 1 inch, see AWS 3.2.3.7. |
Required Final Checks / Verification: | If welding is required, use a single arc semi-automatic submerged arc weld(S.A.W.) after preparation. Magnetic particle inspection (M.T.) and/or ultrasonic inspection (U.T.) are require for the final checks. |
Other Possible solutions: | Yes. |
Was Repair Successful ?: | N/A |
Remarks: | N/A. |