Victim Packaging Think like a minimalist Don’t over rescue Provide care that is commensurate with the victim’s presentation, needs, and ability to “cope” with the action plan both mentally and physically Time is often of the essence Take a holistic approach Victim care and packaging is a part of the overall rescue sequence and decisions are altered sometimes based on other elements of the event. Victim Packaging Decisions EMS Orientation Tending Retrieval ABC’s Horizontal Lines High Directional C Spine Vertical Rescue Personnel Manpower Injury Management Packaging Device Load Management Safety Victim Packaging (Stokes) Litter Components MAP Bridle System BB with Straps Internal Lashing External Lashing Harness Pick Off Strap Tilt System Victim Packaging SKED Self enveloping packaging system Lashing is only required when vertically oriented Manufactured slings that slide through designed openings to create bridle BB with Straps should be used in conjunction to create rigidity Victim Packaging Vertical orientation eliminates the need for a bridle. A single MAP to the head of the litter Manufactured Made Rescue Team Operations Team rescue concepts include two basic operations: Lowering Operations Hauling Operations A good rescue system is designed with the ability to perform both functions with efficient transitions. These systems also should be designed with appropriate design load capacities in mind. Lower / Haul System Components “R” – Rack (Break Bar Rack) “P” – Pulley (Progress Capture Device or Safeties included) “H” – Hitch (Load Release Hitch) Establishing systems with single purpose applications can be utilized in specific applications but may result in a lack of preparedness. This system can be prebuilt and ready to deploy. Lowering Operations The mainline is attached to the load The load is lowered by manipulating the BBR as the mainline passes through it. Light Use DCD’s can be utilized when lowering a “L” design load but present limitations and potential lacks of preparedness in rescue scenarios where the load may change to “G”. Coordination and control are key for effective movement. “Lower Slow” / “Lower Fast” / “STOP” Belay Operations General Use Systems Tandem Prusik Belay 540 MPD and other auxiliary equipment Ideally, the belay is established at a separate anchor point than the mainline. The belay line will also require direction about management in relation to the load. “Tension” “Slack” Hauling Operations Purpose Increase the efficiency with which the load is moved Decrease the amount of force required to move the load Decrease the amount of personnel required to move the load Increase the safety with which the load is moved Hauling Operations Physics Pulleys represent simple machines A load collected with rope from one side of the pulley requires an equal amount of force applied to the rope from the other side of the pulley to move the load. Generally speaking, if the pulley “moves” it creates a mechanical advantage and reduces that amount of force If the pulley is fixed it is merely a change of direction Hauling Operations Mechanical Advantage is expressed with the following equation Output (Load) Input (Force) 100 lbs 50 lbs MA 2:1 Hauling Operations Two types of Mechanical Advantage: Theoretical: Basic assumption of mechanical advantage derived from the preceeding equation and known fundamentals of physics. Actual: True mechanical advantage that includes calculation of variables based on pulley size, angles, rope diameter, general friction, etc… Anchor Forces 300 lb 300 lbs. Anchor Forces 150 lbs 150 lbs 300 lbs. Anchor Forces 100 lbs 100 lbs 100 lbs 300 lbs. Mechanical Advantage 1 UNIT OF TENSION = 1T Pulley Mechanical Advantage 600 lbs Pulley 300 lbs 300 lbs. Mechanical Advantage SIMPLE SYSTEMS A single rope weaved through pulleys Simple Systems Pulley 300 lbs. 2:1 Mechanical Advantage Pulley 300 lbs. Simple Systems Pulley Pulley 300 lbs. 2:1 COD Mechanical Advantage Pulley Pulley 300 lbs. Simple Systems Pulley Pulley 300 lb 3:1 Mechanical Advantage Pulley Pulley 300 lb Simple Systems Pulley Pulley Pulley 300 lb 3:1 COD Mechanical Advantage Pulley Pulley Pulley 300 lb Simple Systems Pulley Pulley Pulley 300 lb 4:1 Mechanical Advantage Pulley Pulley Pulley 300 lb Mechanical Advantage COMPOUND SYSTEMS Simple system pulling on another simple system Compound Systems Pulley Pulley 300 lb 3:1 Mechanical Advantage Pulley Pulley 300 lb Compound Systems Pulley Pulley 300 lb 4:1 Mechanical Advantage Pulley Pulley 300 lb Compound Systems Pulley Pulley Pulley 300 lb 6:1 Mechanical Advantage Pulley Pulley Pulley 300 lb Compound Systems Pulley Pulley Pulley 300 lb 6:1 Mechanical Advantage Pulley Pulley Pulley 300 lb Compound Systems Pulley Pulley Pulley 300 lb 8:1 Mechanical Advantage Pulley Pulley Pulley 300 lb Compound Systems Pulley Pulley Pulley Pulley 300 lb 9:1 Mechanical Advantage Pulley Pulley Pulley Pulley 300 lb Compound Systems PULL LOAD Pulley ANCHOR Progressive Build Up When establishing a mechanical advantage it is important to have a systematic approach that will enable the rescue team to select the appropriate system and adapt the advantage as needed with speed and efficiency. The following build up is a progression of mechanical advantage that can be altered in less than one minute by a well trained team. 3:1 First system option for 1 person loads 5:1 3:1 is converted to a 5:1 if needed for 1 person loads May be a starting system for two person loads 6:1 Most common system for two person loads Unique features 9:1 6:1 is converted to 9:1 if needed 9:1 affords eases of operation but progresses slowly Progressive Build Up There are a myriad of systems and progressions. This systematic approach is an example of a standard progression that correlates to relatively known loads and allows common applications to exist within the rescue team. Each advantage upgrade can be performed in less than one minute while maintaining the load. The victim is the deciding mechanism in the rescue scenario. Lower / Haul Team Operations Positions and Responsibilities Team Leader Initiate commands and insure effective operations are being performed SAFETY 4 haul team members Operate haul system – “Conveyer Belt” Set Safeties or PCD’s Transition mode of operations (Lower / Haul) Lower / Haul Team Operations Commands “Safety Check” Prep: “Haul Team Ready?” Response: “Haul Team Ready.” Action: “Haul Slow / Fast.” Response: “Haul Slow / Fast.” “On Rope” “Off Rope” All commands should be repeated by all personnel involved in that area of operations to insure that communications are acknowledged and understood.
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