The 30-meter Commercial Surface Supply Diver qualification is the nest step after Scuba training. This qualification is needed by commercial divers working in harbors, doing inland dam wall outlet maintenance, as well as shipping repairs and close inshore salvage.

The qualification allows divers to use scuba and surface supply diving equipment and the diver can do more tasks in the underwater working field. These training tasks include underwater welding and cutting, underwater dredging, air lifting, using salvage equipment, construction tools and a range of hydraulic and pneumatic tools used in the onshore / inland diving tasks. This Class III diver may not work in the oil & gas offshore diving industry.

Course Details: Class III 30 Meter Scuba
Location: Nigeria. Training will be done in both fresh water and open sea condition.
Cost: N2,000,000 Million Naira only
Duration: N/S

Prerequisites for Class III:

Minimum age 18 year
Complete and pass Diving Medical Examination as per SA Diving Regulations and be in a healthy fit state (Done at School Doctor)
Be a competent swimmer (pass a swim test 300 meters freestyle in under 10 minutes)
Be able to add, subtract, multiply and divide, calculate percentage, solve simple formulas such as gas laws
Have a valid diver first aid certificate (Can be done on course)
Understand written and verbal communication in English and communicate comfortably with other people
Have a completed 30 m Scuba course

Some Subjects Covered on the Course:

Surface supply diving equipment – demand and free flow
Full face masks, band masks and helmet
The physics of diving
Diving physiology and first aid
Application of Air decompression table and procedures
Pre and Post dive checks
Hand signals, lifeline and voice communications
Underwater Scuba tasks and work
Surface supply diver, standby diver and attendant procedures
Legislation and guidance
Compression chamber checks and operation
Low pressure & High pressure (HP) Compression, air quads and cylinders
Basic seamanship and surface supply from SSDE diving vessels having LP compressors and HP backup
Day and night diving
Dry suits and constant volume dry suit
Hydraulic and pneumatic tools for Class III diving
Maintenance of underwater tools
Water jets, dredging, airlifting, lift bags, welding, cutting, searching and measurements
Basic stills photography
Nitrox theory and SSDE diving for Nitrox if module selected or Part of Combo Class II

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