Component of analysis |
Ref . |
Marginal tactical decision |
Moderate |
Safest tactical decision |
Climb to access |
Pg . 40
Pg . 70
|
Existing access lines are used . |
Throwline , alternating anchor points or spur climbing techniques used . Final anchor point only tested by climber . |
High point established by throwline , load tested by 3 persons , ascend with belay , basal tie off and lowerable . |
Use of a ladder - |
Ladder used not tied off , no safety line . |
Ladder used , not tied off , with safety line . |
Ladder used , tied off with safety line for belay . |
Spur climbing |
Pg . 41
Pg . 96
|
Spur climbing with no top anchored safety line . |
Spur climbing with top anchored safety line . |
Accessing branch end |
Pg . 42
Pg . 103
|
Climb to branch end unsecured with poor rope angle . |
Climb to branch end with poor rope angle maintaining lanyard connection to prevent pendulum swing . |
Use redirects to obtain best possible rope angle before movement to branch end . |
Managing casualty lateral movement ( slam factor ) |
Pg . 51 |
Casualty lowered back to trunk by rescue climber . |
Twin-line offset system . |