Intro to Surface Supplied Diving
Instruction on basic skills of surface supply lightweight diving, fundamental concepts, terminology, and practical skills of seamanship, line handling, rigging, and underwater work procedures and the fundamentals of line (rope) and wire rope classification, composition, and use. Proper tying and use of knots and their practical application by divers, working load limit (WLL) for rope, wire, and rigging hardware, as well as to calculation of the ratio and mechanical advantage of block and tackle are covered.
- Identify the following line types: manila, nylon, polypropylene, describe the physical characteristics: stretch, durability, advantages, disadvantages, and UV resistance.
- Explain the use of the following rigging and seamanship concepts for using slings, block and tackles, and lifts; and how to determine the safe working load limits of rigging equipment.
- Explain the use of the common knots and demonstrate the ability to tie each.
- Describe the proper inspection procedure when given a length of wire rope, and be able to discuss critical elements and discontinuities associated with wire rope.
- Calculate the work load limit for stainless steel, galvanized, plow steel wire rope, and line.
- List and identify the components of a vessel.
- Identify and draw a schematic of the components of an air system: air compressors, volume tanks, valves, piping, hoses, and associated components.
- Demonstrate the ability to set up a dive station, start a compressor and diesel engine, fill a bailout cylinder, dress a diver, and tend a diver using a checklist operating procedure.
- Explain the minimum requirements of diving equipment (personal and system) required for a surface supply diver and safety regulations for surface supply diving.
- Demonstrate the ability to perform all diving station positions: communications, rack operator, diver, standby diver, and diving supervisor.
- Properly document dives in a personal dive log and keep diving log records on the dive station.
- Demonstrate the use of surface supplied dive equipment.
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