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Published byJonathan Skaggs Modified over 9 years ago
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Anchors
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Objectives Procedures for the safe construction and use of single point and multi-point anchor systems.
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Bomb Proof Anchors
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Anchors are the Foundation of the System
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So… KEEP ANCHOR ANGLES UNDER 90 o
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Always Back Up Your Anchors Primary anchor Backup anchor –Separate strap if same anchor
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Do Not Use Many Poor Anchors Trying to Make One Good One!
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Some Good Anchor Choices Steel beam Bulk concrete Window cleaner bolts Stairwell support beams Elevator and machine housings
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Some Poor Anchor Choices Insulated pipes Handrails Cast iron pipe Brickwork without bulk Guy wire eye bolts People (FDNY)
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Using Vehicles as Anchors Set parking brake Chock the wheels Remove keys from ignition Transmission in park Anchor to structural components Turn siren, etc on if vehicle is turned on
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Single Loop
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Lark’s Foot
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3 – Bight
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Multi – Loop
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4:1 Tensionless Wrap
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Self – Equalizing Anchors
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Load Equalizing
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Load Sharing Anchors
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Change of Directions
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Loss of an Anchor
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Be aware of Three Directional Pulls on Carabineers
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Anchor Plates
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