Swiftwater Review. Forces of Water Current Force on Force on Force on Velocity Legs (lbs) Body (lbs) Swamped Boat

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2 There are over 470 miles of flood control channels in Los Angeles County Flood channels vary in shape and composition vertical sides sloped banks natural river

3 Water flow travels between 5 and 45 mph. The Flood Control System crosses many jurisdictional boundaries. Swiftwater Rescue is dynamic. Training must be continuous to maintain safety (rescuer and victims).

4 Forces of Water Current Force on Force on Force on Velocity Legs (lbs) Body (lbs) Swamped Boat 3 mph Courtesy Ohio State Division of Natural Resources

5 Laminar / Helical Flow Water along the shore and bottom are slowed by friction, the water moves faster towards the center of the waterway Water along the shore is pulled to the middle and dives down in a corkscrew motion / Helical flow County of Los Angeles Fire Department

6 The LOOK of the river Depth Bottom Objects below surface Cushion or Pillow Eddy

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8 Low Head Dams When water flows over, or passes a vertical drop or obstacles, a hydraulic effect is created. Low-head dams are a type of hydraulic and are dangerous areas for rescue. We operate no closer than 300 feet from low head dams

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10 Objects that may impede the victims travel in the water

11 River Terminology Upstream Downstream River Right River Left Avoid using: East West North South

12 PPE Helmet PFD / Whistle HT Radio Carabiner Blue webbing Blue Uniform or Brush Tennis shoes

13 Swiftwater Review The use of Turn-outs and Structural Helmets can be extremely hazardous in moving water. Figure 14 Rescuer should not be near moving water in turnouts

14 Throwing Float Bag Float bag polypropylene rope foam core bag feet in length Used as: rescue tool rescuer safety tie off Not an equipment drop bag Figure 12 Floating throw bag County of Los Angeles Fire Department

15 Float Bag Rescue throw bag or coiled rope to victim pendulum victim to shore Shore Base Rescue Techniques County of Los Angeles Fire Department

16 Throwing Float Bag County of Los Angeles Fire Department

17 Hose Inflator Rescue Kit Inflate 2 1/2 fire hose for the use as a rescue tool Inflated fire hose can be used: bridge base low head dams multiple victim County of Los Angeles Fire Department

18 Purpose for the Blue Webbing is to Tie-off the rescuers to prevent them from becoming victims

19 Always tie-off if you are going near the waters edge

20 IF tying off tools, a SEPARATE line should be used

21 Preplaced anchors for tie-offs

22 Anchors for SW Applications

23 If you fall in the water Self-rescue position Supine Feet pointing downstream

24 Swiftwater Response 5 Engines Truck PM Squad 2 Air Squads USAR Task Force Swiftwater Rescue Team (if staffed) BC

25 Position Assignments IC Jurisdictional or First-In Company Floatation Unit (One Company) Rescue Group (3 5 Companies) Upstream Lookout Rescue Systems Unit Retrieval Unit Downstream Safety Unit Air Units

26 Searching for missing person Establish Point of Last Scene Marking location Initial search quick search expanded / detailed search Marker bottle Figure 48 Placement of reference float County of Los Angeles Fire Department

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28 Various Flotation devices to attempt immediate rescue Figure 11 Life Float attached to throw bag Figure 19 Flotation Device (CRB) with throw bag

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30 Rescue Points in Green Hazards in Red Tactical Information

31 Potential problems when using air units for shorthaul rescue Prop wash Noise High Profile, increased spectators

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35 Decontamination Procedures Basic Wash hands with clean water and soap before entering vehicles and eating. Rinse equipment with clean water