Rope rescue set up
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Transcript of Rope rescue set up
Rope Rescue Set-Up Review
Newport Fire Department
Overview1. Anchoring/Picket System
2. Anchor Plate
Anchoring PrincipalsAnchoring Principals1.1. Anchors are the foundation of the rope rescue Anchors are the foundation of the rope rescue
system.system.2.2. The actual physical strength and capacity of The actual physical strength and capacity of
an anchor is generally unknown. What we an anchor is generally unknown. What we determine to be “bombproof” is really a determine to be “bombproof” is really a judgment based on knowledge, training, and judgment based on knowledge, training, and experience. experience.
Good AnchorsGood Anchors1. Structural Steel (Properly 1. Structural Steel (Properly
connected to a structure)connected to a structure)2. Reinforced Concrete2. Reinforced Concrete3. Bulk Masonry3. Bulk Masonry4. Heavy Machinery 4. Heavy Machinery
(Cranes, Bulldozer, etc.)(Cranes, Bulldozer, etc.)
5. Fire Apparatus5. Fire Apparatus6. Natural Anchors 6. Natural Anchors
(Big *#^&%ing Rock (Big *#^&%ing Rock / Big LIVE rooted / Big LIVE rooted tree)tree)
7. HVAC Units (If 7. HVAC Units (If properly secured to properly secured to the structure)the structure)
8. Pickets8. Pickets
Bad AnchorsBad Anchors1.1. Insulated PipeInsulated Pipe2.2. Cast Iron Pipe (Stand Cast Iron Pipe (Stand
pipes and Sprinkler risers)pipes and Sprinkler risers)3.3. Masonry Without BulkMasonry Without Bulk4.4. Concrete Block WallsConcrete Block Walls5.5. ChimneysChimneys6.6. Exhaust DuctsExhaust Ducts
1.1. Hand RailsHand Rails2.2. Stair TreadsStair Treads3.3. Ladder RungsLadder Rungs4.4. Wood Framed Wood Framed
WallsWalls5.5. Corroded MetalCorroded Metal6.6. Round RocksRound Rocks7.7. Trees with shallow Trees with shallow
rootsroots
Self-EqualizingSelf-Equalizing Helps to transfer weight of the load.Helps to transfer weight of the load. If one anchor fails there If one anchor fails there willwill be a shock be a shock
load.load. Always try to keep the “self-equalizer” as Always try to keep the “self-equalizer” as
short as possible keeping in mind the short as possible keeping in mind the “critical angles”.“critical angles”.
Self-Equalizing
Twist in line prevents webbing from sliding through
Self-EqualizingSelf-Equalizing
Self-Equalizer
Angle Leg Tension
170° 1150 %
150° 200 %
120° 100 %
90° 70 %
0° 50 %
Critical AnglesCritical Angles
Picket Picket Systems
Simple Picket System
Windlass
Picket Systems1. Picket systems are usually made up of three or 1. Picket systems are usually made up of three or
more evenly spaced stakes driven into the more evenly spaced stakes driven into the ground or snow. ground or snow.
2. The stakes should be positioned in a straight 2. The stakes should be positioned in a straight line away from the intended rappelling or line away from the intended rappelling or lowering point.lowering point.
3. They should be spaced approximately one 3. They should be spaced approximately one stake length apart. stake length apart.
Picket Systems4. After the stakes are driven to the ground, 4. After the stakes are driven to the ground,
secure a length of rope or webbing to the secure a length of rope or webbing to the base of the picket farthest from the load base of the picket farthest from the load and then take 3 to 6 turns around the top of and then take 3 to 6 turns around the top of the next closest picket, ending with a clove the next closest picket, ending with a clove hitch on either picket.hitch on either picket.
5. Repeat this lashing from the base of each 5. Repeat this lashing from the base of each picket to the top of the next closest picket picket to the top of the next closest picket to the load.to the load.
Picket SystemsPicket Systems6. Next place a shorter stake (a CROW-BAR works 6. Next place a shorter stake (a CROW-BAR works
well) between the the lashings and twist until all of well) between the the lashings and twist until all of the slack is out and you are starting to put tension on the slack is out and you are starting to put tension on the forward picket. (Windlass)the forward picket. (Windlass)
7. Repeat the tensioning process to subsequent 7. Repeat the tensioning process to subsequent lashings, working toward the load. lashings, working toward the load.
8. The short stakes used for tensioning should be 8. The short stakes used for tensioning should be driven into the ground a short distance to secure driven into the ground a short distance to secure them.them.
Anchor plateAnchor plate* Used to connect the system to the
anchor itself
Webbing connects to “bombproof” anchor
Anchor plate set-up
Load release
always in the
system
Munter Hitch Rack Load Release Haul
Rack Rack • Used to lower responder to the victim
Load ReleaseLoad Release• Used to release weight of rescuer/victim when prussik knots “lock” onto safety rope• Always in the system (safety)
Rack & Load Rack & Load ReleaseRelease
Prussick linesPrussick lines• Attach from safety line to load release (always connected in system
Line connects to rescuer using “Figure 8”
Completed Lowering Setup
Raise VictimRaise Victim• Remove the rack from the system• Add a munter hitch to the system
(opposite side of pulley)• Add the haul (5:1) pulley system
Munter Hitch• Add to the carabineer (far left side on anchor plate)
1
2
3
Munter – second view
3
Haul System completed
Practical Application
Go put it all together…