As a Construction Commercial Diver, you will need to master following:

• check diving equipment
• comply with the planned time for the depth of the dive
• cope with decompression
• implement dive plans
• interrupt diving operations when necessary
• use lift bags
• use rigging equipment
• weld in hyperbaric conditions
• weld underwater

More generally, a construction commercial diver is also versed in:

• comply with legal requirements for diving operations
• diving equipment
• diving operation requirements
• follow health and safety procedures in construction
• inspect construction supplies
• keep records of work progress
• maintain diving equipment
• use safety equipment in construction
• work ergonomically

It also helps to know the following:

• display warnings around dive site
• dive with scuba equipment
• diving vessels systems
• ensure diving operations conform with plan
• ensure health and safety of dive teams
• examine prospective blast area
• handle explosives
• insert charges into drill holes
• inspect concrete structures
• inspect pipelines
• maintain mechatronic equipment
• maintain robotic equipment
• operate drilling equipment
• perform underwater bridge inspection
• pour concrete underwater
• process incoming construction supplies
• use wrenches
• work in a construction team
• work in underwater chamber
• automation technology
• critique the dive with the dive team
• cut metal products
• dispose of sewage sludge
• inspect offshore constructions
• install metal gas piping
• keep personal administration
• mechatronics
• operate automated process control
• operate hand drill
• recognise signs of corrosion
• repair pipelines
• robotics