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Basic Function:

The basic function of the position the diving supervisor is in charge of the planning and execution of the diving operation, including the responsibility for the safety and health of the dive team.

Responsibilities and Duties:

  • Fully cognizant of all relevant governmental regulatory agency regulations that apply to the diving operation and the diving mode employed, and the employer’s basic Safe Practices/Operations Manual.
  • While actually on duty, be in immediate control and available to implement emergency procedures. The Diving Supervisor shall have no other duties than those set forth herein and not permitted to dive unless another qualified diver is present who has also been appointed and designated to assume responsibility.
  • The Diving Supervisor must at all times perform his duties with an ability to manage all aspects of the dive site, to properly direct dive team members in the performance of their duties, and remain ready to respond to emergency conditions. Under emergency circumstances, the Diving Supervisor may enter the water only if it does not interfere with continued assurance that topside supervision will not be lost.
  • The Diving Supervisor must also ensure prior to commencing a diving operation, in addition to parties directly involved in the diving operation, that masters of craft, pilots of submersibles, harbor masters, manager of offshore installation, pipelines, civil engineering sites, inland waterways, and all persons responsible for anything that affects the diving operation are advised that diving or underwater operations are to be undertaken. Make available a copy of the Safe Practices/Operations Manual to the Person in Charge of the vessel or facility, with written modifications necessitated by specific operating conditions.
  • Ensure diving operations are carried out from a suitable and safe location on the surface.
  • Develop or modify and produce pre and post-dive checklists for the operation.
  • Develop and implement emergency/contingency procedures.
  • Be aware of the procedures to follow to obtain medical support in the event of an accident, either diving or non-diving related. Ensure a two-way communication system is available at the dive location to obtain emergency assistance.
  • Perform a Job Safety Analysis (JSA) for each task undertaken.
  • Establish a dive plan ensuring for safe and timely completion of the job task.
  • Assign the duties of all members of the dive team and personally direct them throughout the diving operation.
  • Verify all personnel on the dive team are qualified and physically able to perform task assigned. He must make an assessment of the physical condition of the divers prior to each dive to determine if any physical impairment is present which would be detrimental to their health and safety in the water or under hyperbaric conditions.
  • Make modifications to standard procedures or safety procedures necessitated by the specific diving operation but after management approval.
  • Maintain a depth, bottom line, and breathing mix profile at the dive location for each diver during the dive.
  • Ensure each diver is continuously tended while in the water.
  • Report all accidents or incidents involving personnel as required by employer rules and relevant governmental regulations.
  • Maintain and submit reports required by employer and relevant governmental regulations concerning diving operations and equipment maintenance, testing, or repair.
  • View and ensure accuracy of diver personal log book and affix signature to properly record activities.
  • Ensure after any treatment of dive outside the no-decompression limits:
    • The diver is instructed to remain awake and in the vicinity of a decompression chamber for at least one hour.
    • A trained dive team member is available to operate the decompression chamber.
  • Ensure after every dive:
    • The physical condition and well being of the diver is checked by visual observation and verbal questioning.
    • The diver is instructed to report any physical problems or symptoms of decompression sickness or arterial gas embolism.
    • The diver is advised of the location of the nearest operating decompression chamber.
    • The diver is acquainted with the dangers of flying after diving or traveling altitudes higher than the dive site.
  • Ensure the dive is terminated when:
    • The diver requests termination.
    • The diver fails to respond to communication or communication is lost between the diver and dive team members at the dive location.
    • Communication is lost between the Person in Charge and the diving supervisor during lifeboating operations.
    • The diver begins to use his diver-carried reserve breathing gas supply.
    • Weather or site conditions are degrading to the extent that diver safety may be compromised.
  • Ensure the diving equipment designated for use is:
    • Suitable for the planned diving operation.
    • Sufficient to regulator requirements for the diving mode used.
    • Inspected prior to each dive and is in good working order.
    • Ensure all relevant operating instructions, manuals, decompression tables, treatment schedules, and regulatory publications are available at the dive locations and are maintained to reflect current changes and/or developments.
    • Ensure the detailed briefing of his diving team and support personnel including:
      • Task to be undertaken.
      • Unusual hazards or environmental conditions


  • Association of Diving Contractors (ADC) accredited school
  • Successful completion of the ADCI supervisor exam.
  • ADCI supervisor certification card for the HeO2/Mixed-Gas Diving Supervisor.
  • TWIC, Safegulf, Rigger, First Aid and CPR, Water Survival.
  • Experience – 5+ years of diving operation in the following oil and gas industry; fabrication, construction, pipeline and interconnect piping.

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