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  • Underwater Skills

    Underwater Skills

Program Code:UWS
Duration:35 Weeks
Credential Awarded:Ontario College Certificate

Program Description

Studying from September to June, you will receive training and practice in underwater skills relating to commercial diving, welding, construction and salvage work in rivers, lakes and canals, and in inspection and repair work related to the offshore oil industry. You will also benefit from instruction in the safe use and maintenance of commercial diving equipment.

Admission Requirements

Program Eligibility:

  • Ontario Secondary School Diploma (OSSD) or equivalent with:
    • Grade 12 English: ENG4(C) or ENG4(U)
    • Grade 12 Mathematics: (C) or (U) or Grade 11 Mathematics: (U) or (M)
  • OR Mature Student Status (age 19 or older) with the above prerequisite course(s), their equivalent(s) or appropriate Academic and Career Entrance (ACE) Certificate program credits (see Academic Upgrading).

By First Day of Class, Students Must:

  • Complete a Recreational Scuba Diving certificate (from an approved organization) and a minimum of ten hours bottom time along with 20 logged dives before the start of the term.
  • Provide proof of medical fitness to dive.
    • Commercial diving requires that all candidates be determined fit to dive by a qualified diving and hyperbaric physician.
    • A list of qualified physicians may be found on the Diver Certification Board of Canada website at


  • Grade 11 Physics: (C) is recommended for your success in the program.


Loading Tuition Costs

Your Career

Enjoy an international career in underwater construction, inspection and repair for both offshore oil and onshore construction sectors of the diving industry. As a graduate of the 35–week Underwater Skills (UWS) certificate program, you will be eligible for certification by the Diver Certification Board of Canada (DCBC). Certification by DCBC is recognized by thev International Marine Contractors Association (IMCA) and accepted worldwide.


  • American Welding Society (AWS)
  • Canadian Association of Diving Contractors (CADC)
  • Canadian Standards Association (CSA)
  • Canadian Welding Bureau (CWB)
  • Construction Safety Association of Ontario
  • Diver Certification Board of Canada (DCBC)
  • International Marine Contractors Association (IMCA)
  • Ontario Ministry of Labour Management Health and Safety Committee
  • Undersea and Hyperbaric Medical Society (UHMS)

Important Academic Dates

Please take a few moments to view Important Academic Dates for your relevant term.


Please select the curriculum from the Academic Year in which you started (or will be starting) your studies. An Academic Year begins in September and ends in August of the following year.

2014/2015 Academic Year
Semester 1 Course Name Hrs/Wk
October - December
EAC150 College English 3
UWS103 Diving Physics 2
UWS104 Diving Physiology 4
UWS107 Rigging and Hoisting 3
UWS108 Compressors and Tools 3
UWS109 Systems and Equipment I 4
UWS112 Applied Diving I 14
January - February
UWS203 Salvage, Explosives and Welding 4
UWS204 Hyperbaric Chamber Operations 4
UWS205 Navigation and Chartwork 3
UWS208 Underwater/Surface Welding Theory 4
UWS212 Applied Diving II 14
Semester 2 Course Name Hrs/Wk
March - April
UWS303 Surface Cutting and Welding (2 Weeks)
UWS305 Small Engines and Compressors (11 hrs/wk) (2 Weeks)
UWS308 Underwater/Surface Welding Practical 3
UWS312 Applied Diving III (1 Week)
UWS315 Construction Diving Techniques (1 Week)
UWS316 Marine Engineering Techniques III (2 Weeks)
UWS319 Systems and Equipment II (1 Week)
April - June
UWS401 Diver Medic (optional) (2 Weeks)
UWS408 Underwater Welding (2 Weeks)
UWS412 Applied Diving IV (2 Weeks)
UWS416 Deep Diving - Practical (2 Weeks)

Each student is required to complete a Canadian Red Cross Standard First Aid and Cardiopulmonary Resuscitation (Basic Rescuer) prior to graduation.

Note: Each semester includes a physical fitness program which is designed: to develop the student’s level of fitness in order to pass an international level of fitness; to emphasize the importance of group effort and co-operation; to develop leadership and to develop the personal fitness required to carry out safe underwater operations.

2015/2016 Academic Year
Semester 1
October - December
College English
Diving Physics
Diving Physiology
Rigging and Hoisting
Compressors & Tools
Systems and Equipment I
Applied Diving I
January - February
Salvage and Explosives
Hyperbaric Chamber Operations
Navigation and Chartwork
Topside Welding Theory
Applied Diving II
Semester 2
March - April
Surface Cutting and Welding
Small Engines and Compressors
Underwater Welding Theory
Applied Diving III
Construction Diving Techniques
Underwater Cutting Practical
Systems and Equipment II
April - June
Diver Medical Technician (optional)
Underwater Welding
Applied Diving IV
Deep Diving Practical

Note: A mandatory CPR, First Aid and O2 provider course will be held during the fall semester.

Contact Us

Admissions Advisors:
Domestic Admissions Advisor: Andrea White
Telephone: (416) 491-5050 Ext. 55013
International Admissions Advisor: Valentyna Gorodovych
Telephone: (416) 491-5050 Ext. 22432
Registration & Records Advisor:
  Andrea White
Telephone: (416) 491-5050 Ext. 55016
Program Contacts:
Acting Program Coordinator: Aaron Griffin
Telephone: (416) 491-5050 Ext. 55020
Program Chair: Mona Nouroozifar
Telephone: (416) 491-5050 Ext. 55010
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Underwater Skills Video

Underwater Skills student Brodie talks about his program, professors and working as a team. Click on image to begin video.


“Our current full time diving and ROV staff is at fifteen, eight of whom are graduates of the Underwater Skills course. I am certain that this is the highest number of Seneca College graduates working for any employer in the marine industry in Ontario.”

Blake Goulet
Manager of Diving Services
ASI Marine

Seneca – Toronto, Canada Edit Page