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Rescue strategy and technique PPT
- 1. RESCUE STRATEGIES AND TECHNIQUES Insp Vijay Kumar NDRF Academy Nagpur 1
- 2. 04 List the steps for removing rubble. 03 List the five factors to analyze when evaluating access condition. 02 List the four techniques for accessing and rescuing a victim. 01 Describe the two ways of approaching a located trapped victim. OBJECTIVE S Upon completion of this lesson you will be able to … 05 Describe the procedures for penetrating different materials.
- 5. VERTICAL APPROACH Easy access Cleaner work conditions Body position is more comfortable Easier to use tools and equipments ADVANTAGES
- 6. VERTICAL APPROACH Time consuming Debris/cut pieces may fall on the victim. Likely to work with concrete. DISADVANTAGES
- 7. Easy penetration Material in most cases is not concrete. Debris does not fall on the patient. HORIZONTAL APPROACH ADVANTAGES
- 8. Uncomfortable body position Crawling frequently required Tool position awkward Dirtier working condition HORIZONTAL APPROACH DISADVANTAGES
- 9. Access and Rescue Techniques 02 03 04 01 Removing rubble Shoring Lifting/stabilising loads Cutting and penetrating
- 10. Avoid cutting into load-bearing walls. Shore before removing pieces which are in under pressure. Removing Rubble Remove small pieces first and never remove any pieces that are in under pressure. Verify the condition of building components. Determine pattern of collapsed structure.
- 11. Insp Vijay kumar 11 When breaching a wall/floor , always be aware that a trapped victim may be in direct contact with the other side of the wall/floor. Avoid cutting too deeply to prevent damaging structural elements, wires, water pipes etc. Cutting & penetrating Note: Shoring, Lifting and stabilizing loads will discuss in next lessons.
- 12. Secure access area and remove rubble. Establish safety zones and escape routes. Evaluating Access Conditions Mitigate hazards. Proceed to victim marking location. Ensure utilities are cut off.
- 13. Procedures for cutting & penetrating materials Insp Vijay kumar 13
- 14. Procedure for Cutting and penetrating metal and wood Use full PPE Select the proper tool. Make the work area safe from hazards. Knock on the metal or wood to find a hollow area. Make an inspection hole, use caution when breaking through the other side. 5 4 3 2 1
- 15. Insp Vijay kumar 15 Cut a triangular access hole, large enough to permit access. Additionally avoid cutting too deeply.. Remove the piece you have cut, protect against sharp edges. Shore if necessary. 8 7 6
- 16. Procedure for cutting and penetrating concrete block and brick Select proper tool Make the work area safe. Make an inspection hole with all precautionary measures. Use full PPE
- 17. Procedure for cutting and penetrating concrete block and brick Now check stability and Shore if necessary. Remove the cut triangle own side and ensure do not push it inside. Mark a triangle (70x70 cm) then firstly start to cut Base of triangle then other arms.
- 18. Angle of breach (80°-85°) Cutting Reinforced Concrete Insp Vijay kumar 18 All arms 70cm x 70 cm
- 19. Direction of breach Angle of cutting Two side - 70°- 80° Insp Vijay kumar 19 Vertical approach
- 20. Insp Vijay kumar 20 Cutting Reinforced Concrete Cable reinforcements needs to be identified early. Cutting pretension cables can result in the immediate failure of the slab or structural componnts. Tensioned cable should be cut only under the direction of a structural engineer. 1 2 3
- 21. Insp Vijay kumar 21 Tools for Cutting Concrete and wood Sledge hammerChisel Pick mattock
- 22. Insp Vijay kumar 22 Crow bar Chipping hammer Rotary hammer drill
- 23. Insp Vijay kumar 23 Hack saw Bolt cutter Carbide tip chain saw
- 24. Insp Vijay kumar 24 Acetylene torch Rotary rescue saw
- 25. Horizontal approach Goal is to cut a triangular hole in the concrete. Make the two upper cuts slight angle off perpendicular (80 – 85 degrees). This will prevent the cut portion from falling inward.
- 26. Vertical approach 01 03 0402 Goal is to cut a square/rectangular hole in the concrete. Make a small hole in the centre of the piece which will be used to lift the cut portion. Cut two opposing sides of the square at a slight angle off perpendicular (70-80 degrees). Complete the square by cutting the remaining two sides in a normal perpendicular fashion.
- 27. Lift out the piece using the centre hole. Insp Vijay kumar 27 06 05 For reinforced concrete with steel bars or stranded cable, loosen the concrete around the bar and cut the individual bar.
- 28. Insp Vijay kumar 28 REVIEW
- 29. Insp Vijay kumar 29 ANY QUESTIONS ?
- 30. 1. Tell any two disadvantages of horizontal approach ? Insp Vijay kumar 30 EVALUATIO N 2. Tell any two advantages of vertical approach ?
- 31. Insp Vijay kumar 31 THANK YOU