Divers Institute of Technology Works with CSA and CADC to Provide Guidelines for Diving Operations Near Delta P Hazards

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This guideline provides a basic understanding of the forces and hazards associated with Delta P.

The Canadian Association of Diving Contractors (CADC) recently published definitive guidance for divers working in differential pressure (Delta P) environments. Statistics from several occupational health and safety sources indicate that a high number of commercial diving accidents are linked to a lack of proper understanding of the hazards posed by differential pressures (Delta P) in various underwater work environments. Divers Institute of Technology (DIT) staff and members of a Canadian Standards Association (CSA) subgroup worked closely with CADC to develop the Guidelines for Diving Operations on Dams and Other Worksites Where Delta-P Hazards May Exist. Divers Institute of Technology is incorporating the guidelines into its commercial diver training curriculum.

This guideline provides a basic understanding of the forces and hazards associated with Delta P, and details procedures and identifies equipment to prevent diver exposure to hazardous Delta P forces. This guideline also offers some limited rescue options for a diver entrapped in a Delta P situation. The following link provides the CADC Guidelines: http://www.cadc.ca/downloads/DeltaPHazards_CADC.pdf

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John Paul Johnston
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