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TRENCH RESCUE Operations/Awareness Level

TRENCH RESCUE Operations/Awareness Level.

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TRENCH RESCUE Operations/Awareness Level

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  1. TRENCH RESCUEOperations/Awareness Level Wikipedia, Trench rescue is a specialized form of rescue, a subset of confined space rescue. Trench rescue involves shoring up the sides of a trench, and digging a trapped worker out of a collapsed ditch. Trench rescue is one of the most dangerous rescue operations to complete.

  2. OBJECTIVES -Recognize hazardous trench situations -Understand risk/benefit analysis in trench rescue (rescue vs. recovery) -Insure site safety and perimeter control -Resources/Equipment knowledge -Be able to initiate trench rescue actions

  3. PURPOSE:The purpose of this class is to help you deal with a trench collapse as an“Awareness & Operations level responder”, as required byWashington State Law.this class will meet the standards established in NFPA 1670 for theAwareness & Operations level responder

  4. What is a Trench???

  5. Trench Vs. Excavation • Trench: • A trench is defined as an • excavation in the ground deeper than it • is wide, but not wider than 15’ at the • base. • Excavation: • Is wider than it is deep and more than 15’ wide.

  6. RISK/BENEFIT ANALYSIS (rescue or recovery) • 1 cubic foot of soil weighs 100-150 Lbs • 18” of soil on top of a human totals 2500-3000 Lbs • Victims buried above the waist will asphyxiate rapidly • RECOGNIZE WHEN THERE IS NO CHANCE FOR RESCUE!!!

  7. Initial TACTICAL CONSIDERATIONS • ON SCENE--- SIZE-UP/ESTABLISH COMMAND • • First arriving company officer should establish Command and initiate a • size-up of the situation • • The first-in company should spot the apparatus at least 100’ from the • location of the trench failure. Establish staging at least 300’ from the • scene • • Complete a risk benefit analysis – RESCUE mode • • Call for resources – “Trench Rescue Response” • • Complete lock out/tag out, as applicable • (remember to assess the trench from the ends)

  8. Initial company operations • -Make patient contact (again from the end of the trench) • -place ladder/ladders • -If patient is capable, throw him/her a shovel • -secure scene • -shut off all equipment • -remove all people from the scene • -tape off scene (at least 100’) • -Gain information • -Purpose of the trench • -Number of victims • -Potential hazards

  9. Initial company operation (continued) • -Determine exactly what has happened • -Why were they digging (new vs. old trench) • -What time was the collapse • -How many patients • -Last known location • -Protect the patient • (If enough personnel, assign someone to stay with the patient, if not, mark patient location) • -Uncover the patient to their waist • -Provide them with head and eye protection • -Provide them with a tool to dig • -Consider oxygen

  10. Safety • OSHA trench shoring regulations state: • • Trench 4’ deep must have ladders every 25’ • • Spoil pile not less than 1’ from lip • • Trench greater than 5’ deep, spoil pile more than 2’ from lip • • Trench greater than 4’ must have protection for workers

  11. TOOLS AND LOCATION (LADDER 42) REARDRIVERSSIDE Tailboard

  12. Tools and location (continued) Box#1 Contents

  13. Tools and Location (continued) Box #2 contents

  14. Tools and Location (Continued) Dead-man/Manifold Panel ropes/bolts

  15. Tools and Location (continued) Spot shores Hammers/nails/ Tool belts/tape measures

  16. Building a strut Feet/extension/strut Built with ropes and air line attached

  17. Dead-man and manifold connections Bottle/Manifold/Hose Dead-Man/Hose (to strut) Connected to strut (throw of strut is indicated by two yellow lines)

  18. Assembled panel(strongback, panel, bolts, rope)

  19. good idea/Bad idea?

  20. Rescue?(remember it’s a cat, not a dog)

  21. Safety-Safety-Safety • EVERYONE GOES HOME!!!!

  22. 3rd Qtr. 2012 Trench Rescue Manipulative Outline (Link to document) Following the classroom section, the students shall become familiar with the following Equipment: Deadman and manifold -location -assembly -operation Struts -location -assembly -operation Panels/strongbacks, spot shores/skip shores, ground pads, whalers -location -assembly -placement -proper use/limitations Ladders -uses -placement -limitations

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