Commercial diving/Diver umbilical management and tendering

Relevance: Scuba diving, Surface supplied diving, Surface oriented wet bell diving.

Required outcomes:
 * 1) Discuss the principles of safe umbilical and lifeline management including active tendering and effects of current and sea states
 * 2) Identify risks to the umbilical
 * 3) Define the maximum diver umbilical lengths including excursion
 * 4) Describe umbilical marking
 * 5) Discuss water entry and descent of the diver in relation to umbilical management
 * 6) Discuss diver movement on the bottom in relation to umbilical management
 * 7) Describe diver ascent and exit in relation to umbilical management
 * 8) Describe the correct storage and care of umbilicals, including coiling
 * 9) Discuss the differences in application and handling of buoyant, neutral and negative buoyancy umbilicals