Trench Collapse Technician

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Author:
NinjaTarzan
ID:
243735
Filename:
Trench Collapse Technician
Updated:
2013-10-29 19:06:12
Tags:
Firefighting Rescue Skills
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Description:
Skills pass-offs for the State of Utah's Rescue Technician Certification; Section IV
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  1. Establish Command, perform an appropriate scene size-up and create a corresponding Emergency Action Plan for a trench collapse scenario
    • Establish Command
    • Conduct a scene size-up, determine exactly what has happened, and identify additional resources needed.
    • Secure witnesses, site supervisor, and Competent Person.
    • Identify and mitigate immediate hazards, making scene safe.
    • Identify location and number of patients and assess the non-entry or self-rescue options.
    • Conduct a risk/benefit analysis and determine rescue or recovery operation.
    • Identify appropriate strategy and tactics for the given situation.
    • Assign RIT and operational tasks.
    • Ensure protective systems are being used appropriately.
  2. Demonstrate the maintenance procedures and assembly procedures for a pneumatic shore.
    • Inspect exterior and interior cylinder for any deformity that would impair safe operations.
    • Ensure that by-pass hole is unobstructed.
    • Inspect seals or "O" rings for cracks or deformities.
    • Ensure all parts of the strut assembly are clean and free of debris.
    • Check the locking mechanism on the cylinder for signs of excessive wear.
    • Check hoses for cracks or other defects to include the couplers.
    • Demonstrate correct procedure for assembling the device and making it ready for operation.
  3. Demonstrate the maintenance procedures and start-up procedures for a gasoline-operated chainsaw.
    • Check fuel/oil mix level and bar oil level.
    • Check condition of air filter and spark plug.
    • Check condition of chain.
    • Demonstrate correct procedures for changing and adjusting the chain.
    • Set chain brake, if appropriate.
    • Don appropriate PPE.
    • Stabilize Saw.
    • Start saw according to manufacturer's recommendations.
  4. Conduct monitoring of the environment so that a representative sample of the space is obtained.
    • Identify type of monitoring equipment to be used.
    • Identify proper PPE for incident.
    • Confirm fresh air calibration of selected monitoring equipment.
    • Obtain environmental sample of the trench.
    • Correctly interpret monitor readings.
    • Document readings of sample taken.
    • Determine ventilation effects in the trench being monitored.
  5. Disassemble support systems at a trench emergency incident.
    • Don appropriate PPE.
    • Establish Command, including IAP, and back-up plans.
    • Appoint necessary groups and/or divisions for the task, including RIT.
    • Establish the hazard control zones.
    • Establish clear communications on the rescue scene.
    • Appoint safety officer who monitors the scene, operations, rescuers, and patients.
    • Establish a clear escape route and rally point for team members.
    • Safely approach, assess, works in and around the trench.
    • Demonstrate safe and proper removal of the last shore and corresponding panels.
    • Account for all personnel.
    • Command must verify that all equipment was accounted for prior to terminating the operation and returned to pre-deployment working order.
  6. Safely demonstrate the use of supplemental shoring using an appropriately shored trench, with an exposed section of trench wall 2ft. or greater below the approved shoring system.
    • Don appropriate PPE.
    • Choose an appropriate tool for the task. 
    • Veriy the tools are in good working order.
    • Ensure necessary groups and/or divisions for the task, including RIT are in place.
    • Maintain rescue entry safe zones.
    • Assess and mitigate obvious hazards, including but not limited to: excavation of entrapping soil, exposed trench wall, ensuring patient protection is maximized, etc.
    • Establish clear communications for the task.
    • Ensure Safety Officer is assigned, who monitors the scene, operations, rescuers, and patients.
  7. Demonstrate securing and stabilizing the heavy machinery so it does not create a hazard for the rescuers using a backhoe or track hoe.
    • Turn off the ignition, remove and secure keys.
    • Perform an appropriate Lock-Out Tag-Out of the operating systems.
    • Chock all wheels.
    • Chock all extended cylinders.
    • Secure the boom.
    • Secure the bucket.
    • Secure the under carriage.
    • Complete a final safety inspection.
  8. Demonstrate procedures for constructing a cribbing system appropriate to stabilize a length of heavy pipe.
    • Use appropriate PPE, including eye protection.
    • Calculate the load.
    • Ensure all safety concerns are addressed.
    • Demonstrate the proper height to width ratio as well as the number of contact points of the cribbing box for the load to be lifted.
    • During the lifting process, safely crib the load to the specified height.
    • Confirm crib blocks overlap 4 inches to ensure slow crushing failure.
    • Confirm that wedges and shims rest on a solid base, not lay across a void space.
    • Ensure the rescuers hands are not directly under the load.
  9. Demonstrate the correct setup and lifting procedures using high and/or low pressure air bags to lift a length of heavy pipe in order to completely free a victim.
    • Clear lifting area from any debris.
    • Calculate load to be lifted.
    • Choose the correct bags for the task.
    • Demonstrate correct positioning and stacking of the bags.
    • Correctly connect all hoses.
    • Operate control box correctly.
    • Lift 12 inches and maintain load stabilization.
    • Ensure cribbers are positioned in a safe zone during the lifting process.
    • Determine if a suitable cribbing system was used to back up the airbag system.
    • Safely transfer load onto cribbing system.
    • Complete a final safety inspection.
    • Remove Rescue Randy without compromising rescuer safety.
  10. Coordinate the use of heavy equipment so that the operator capabilities and limitations for the task are evaluated.
    • Don appropriate PPE.
    • Establish effective communications, either hand signals or radio communication.
    • Assess operator skill level and demeanor to ensure safe operations.
    • Assess heavy equipment for precision of movement and maintenance.
    • Monitor rescuer and patient safety.
  11. The candidate, working as a memeber of a team, supplied with the appropriate equipment, and following local medical protocol and OSHA Standards, shall demonstrate the ability to size up the scene, establish Command, and appoint personnel to the needed Sector, Division or Bransh leader positions. In addisiton, demonstrate techniques for safely gaining access to, stabilizing, extricating, and packaging a patient buried under soil in an intersecting trench. The patient shall then be transported to a safe area outside of the Hot zone.
    • Don appropriate PPE.
    • Choose appropriate tools for the task.
    • Verify the tools are in good working order.
    • Establish Command, including IAP, and back-up plans.
    • Appoint necessary groups and/or divisions for the task, including RIT.
    • Establish the hazard control zones.
    • Assess and mitigate obvious hazards, including but not limited to: Spoil pile, exposed utilities, overhead hazards, presence of water in and around trench, surcharge loads, heavy machinery, vibration sources, etc.
    • Establish clear communications on the rescue scene.
    • Appoint safety officer who monitors the scene, operations, rescuers, and patients.
    • Safely approach, assess, works in and around the trench.
    • Establish a clear escape route and rally point for team members.
    • Appropriately place ground pads and lip protection.
    • Properly install ladders as a means of primary and emergency access and egress.
    • properly place panels, install shores, and wales based  on the depth, type, and size of trench.
    • Identify soil type and corresponding shoring system requirements based on equipment provided by AHJ.
    • Safely access patient as soon as is operationally possible.
    • Expose patient completely and initiate appropriate medical interventions.
    • Package patient and establish a means of extricating patient.
    • Transport victim safely out of the hot zone.
    • Use correct hand signs and radio communication following the AHJ protocols.
    • Ensure object does not slip at any time during the operation, if applicable.

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