Confined space rescue

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Might Evac Retreaval System

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Confined space rescue

  1. 1. Are you F.I.T. to use this equipment?
  2. 2. • Why are we having this training? • What does OSHA say about confined space rescue? • What components make up the Miller Tripod and MIGHT Evav System? • Who is authorized and required to use the Miller Tripod and MIGHT Evac System? • When should the Miller Tripod and MIGHT Evac System be used? • How do you set up the Miller Tripod and MIGHT Evac System for use? • How to test the Miller Tripod and MIGHT Evac before use?
  3. 3. • To become familiar with the use of the Miller Tripod and MIGHT Evac System under normal conditions. • Know how to activate the MIGHT Evac retrieval system? Why SDKC provides training? • To provide our employees with a workplace that is educated not only on the use of all Personal Protective Equipment, but as well with its function and purpose during an Emergency situation.
  4. 4. Retrieval Systems shall meet the following requirements: 1910.146(k)(3)(i): Each authorized entrant shall use a chest or full body harness, with a retrieval line attached at the center of the entrant’s back near shoulder level, above the entrant’s head, or at another point which the employer can establish presents a profile small enough for the successful removal of the entrant… 1910.146(k)(3)(ii): The other end of the retrieval line shall be attached to a mechanical device or fixed point outside the permit space in such a manner that the rescue can begin as soon as the rescuer becomes aware that the rescue is necessary. A mechanical device shall be available to retrieve personnel from vertical type permit spaces more than 5 feet deep.
  5. 5. Tripod: • Carrying case. • Cast Aluminum Head: • Wench eye bolt. • Leg locking pins. • Three extendable and fold out legs: • Extend up to 7 feet. • Legs fold out and lock into place. • Gripping padded feet. • Barrier chains from leg to leg.
  6. 6. MIGHT Evac: • Carrying case. • Holding bracket. • Wench mechanism: • Lowering/Elevating handle. • Safety cable and retention hook. • Plunger pin. • Handle restraint.
  7. 7. Authorized person(s): The ONLY person(s) authorized for the use of the Miller Tripod and MIGHT Evac rescue system are those that have successfully completed this course and the written exam at its conclusion.
  8. 8. When should the Miller Tripod and MIGHT Evac retrieval system be used? 1910.146(k)(3)(ii): The other end of the retrieval line shall be attached to a mechanical device or fixed point outside the permit space in such a manner that the rescue can begin as soon as the rescuer becomes aware that the rescue is necessary. A mechanical device shall be available to retrieve personnel from vertical type permit spaces more than 5 feet deep.
  9. 9. Set Up and Inspection Procedures REMEMBER
  10. 10. • Extended each of the (3) legs of the tripod to the desire height. • Do this by removing the leg extension pin and extend leg, reinstall leg extension pin to secure leg at desire height. • Repeat above step for other legs.
  11. 11. • Stand the tripod upright and fold legs outward. • Ensure legs snap into place and are secured by the leg locks at the top of the legs in the head housing assembly.
  12. 12. • Install the MIGHT Evac retrieval system. • Remove mounting pins from mounting bracket. • Place “aiding hook”, which is located on one leg, onto “aiding pin”. This will alleviate the weight of the retrieval system during installation.
  13. 13. • Reinstall mounting pins • Place the bottom pin in first, do this by placing the pin through the mounting bracket and through the leg. • Place the upper pin into place. This pin is placed through the mounting bracket and behind the leg.
  14. 14. • Pull cable out of the MIGHT Evac retrieval system and attached carabineer to center eye bolt on the head housing assembly. • Ensure cable is riding on the pulley assembly.
  15. 15. INSPECTION INSPECTION INSPECTION
  16. 16. Inspection: • Leg assemblies • Mounting pins • Leg extension pins • Cable assembly • Head housing assembly • Carabineer • Eye bolt • Pulley assembly • MIGHT Evac assembly • Harness connecting hook
  17. 17. TESTING • Check to see if the MIGHT Evac retrieval system is working correctly by grabbing the cable just above the harness connecting hook and pulling downward fast and firmly. • System should engage and stop the release of anymore cable from the MIGHT Evac drum assembly. • Pull several feet of cable out and release slowly, ensure cable is retracted back into the MIGHT Evac system.
  18. 18. Testing the Winching Mechanism • Pull several feet of cable out and hold firmly into place. • Pull plunger pin, located on the top of the MIGHT Evac assembly. This will cause the handle to pop out and engage the winching mechanism. • Slowly start to wind the cable CCW, this will retract the cable. • While maintaining a firm grip on the cable, slowly turn the handle CW and the cable can be released slowly. • This will be demonstrated on the video.
  19. 19. You are now F.I.T. For your equipment. Familiar: Familiar with assembly and functionality of the equipment. Inspection: Understand how to inspect your equipment properly. Test: Know how to test your equipment before its use.
  20. 20. Questions and Answers

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