1. Section 3 Constructing Raising/Lowering Systems b Anchoring Systems b Limited only by the: b Situation b Equipment Available b Knowledge of the RESCUER

2. Anchoring Systems b Must be safe and dependable b Common types: b Single point b Multi-Point

3. Single Point Anchor b Types: b Tensionless b Two-bight b Multi-wrap

4. Tensionless b Used on large diameter anchor points b Running end of rope wrapped 4 times b Secure with Figure 8

5. Tensionless Wrap (hitch) Hitch with Fig.8 Less angle the better

6. Two-Bight Anchor b Used with webbing around anchor point b Carabiner used to secure bights and rope together

7. Multi-Wrap Anchor b Use webbing around anchor point b Place Water Knot b Snug up by pulling two wraps from middle b Use carabiner to attach rope

8. Multi-Point Anchors b Load Sharing b If load shifts, stress is placed to one point b Self adjusting b If load shifts stress is kept to both points

9. Multi-Point Anchors b Two Point b Three Point

10. Multi-Point Anchor

11. Affect Of Angles on Anchor System b The wider the angle the more stress to each leg of the anchor point 200 LB 120° 200 LB 115 LB 60°

12. Mechanical Advantage Systems b System of pulleys and Rigging to reduce force used to raise and lower loads b Simple b 2:1 b 3:1 b 4:1

13. 2:1 System b One Pulley b Light loads

14. 3:1 System b “Z” rig b Rescue Situations

15. 4:1 System b Heavier Loads

16. Belay b Person on Rope, BELAY b Belay devices b Prussik Knots b Brake Bars b Figure 8’s b Munter Hitch b Chisnall Hitch

17. Prussik Knot

18. Munter Hitch