Connecting What’s Needed with What’s Next TM oceaneering.com Case Study Project Overview A client in Angola had an immediate need for a dimensional control (dimcon) survey on two permanent guide base (PGB) structures located in a fabrication yard and awaiting installation. While the requirement for the survey was pressing, the activity needed to be completed safely, accurately, and efficiently. Conventional yard surveys typically entail mobilizing two surveyors and a full suite of equipment. Our client, however, required an almost-immediate survey and an alternative approach that would not compromise accuracy. The schedule was exceptionally tight as the PGBs were to be installed by a rig. Any delay to the readiness of the PGBs would have had a significant impact on the rig

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