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On-site failure photographs

Photographs should be taken of the failed piece of equipment including the samples to be removed and their surroundings. These should show the relationship of the questioned area to the remainder of the piece of equipment. Additional photos should be taken of the samples after removal to fully identify them. If more than one sample is to be taken, proper designation of the sample and its location relative to the piece of equipment should be noted. The dimensions of the sample, the date the failure occurred, and the date of the photographs should be noted. Consider the use of video recording if complex disassembly is required. (reference: Dr. Zee)

Case example: erosion corrosion failure of seawater intake in the Arabian Gulf