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July 28 @ 5:30 pm - 8:00 pm CDT$80
Caisson is a non-shipwreck dive from 100ft to 150ft. The history of this caisson is unknown. In geotechnical engineering, a caisson is a watertight retaining structure used, for example, to work on the foundations of a bridge pier, for the construction of a concrete dam, or for the repair of ships. Caissons are constructed in such a way that the water can be pumped out, keeping the work environment dry.
Certifications: AOW required, recreational dive above 130ft