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Fall Protection Awareness Class
Instructor: Ken Coats, Central Region Safety BDM
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4 Components of a Personal Fall Arrest System
Body Support Body Belts Full Body Harness Connectors Lanyards Self Retracting Lifelines Vertical and Horizontal Systems Anchorage Engineered Non Engineered Rescue
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Full Body Harness OSHA 1926.502 (d) (16) (ii):
Personal fall arrest systems shall limit the maximum arresting force on an employee to 1,800 pounds (8 kN) when used with a body harness. ANSI Fall Arrest (always must have) Dorsal D-Ring
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Connectors Snap hooks and carabiners must be self-locking and self-closing. All connectors must meet 5000lbs. All connectors must be connected to a compatible connection. NEW ANSI Standard (11/2007) Connectors shall meet 5000 lbs. and the gate shall meet 3600 lbs.
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Lanyards Many different types of lanyards
Needs to be able to reduce energy from 5000 lbs force to… 1800 lbs for OSHA ANSI 900 lbs or less……
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Shock Absorbing Lanyards
Always connect the shock pack to the Dorsal D-ring Make sure you are not exceeding the weight limit of the lanyard Never connect two lanyards together 100% Tie-Off
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Clearance Calculations
General Rule: “You need 12.5 ft of clearance with a 6 ft lanyard” 6.0 ft for Free Fall 3.5 ft for Deceleration 1.0 ft for D-ring slide 2.0 ft for Safety Factor 12.5 ft clearance required Freefall + Deceleration Safety Factor
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Clearance Calculation
What if I don’t have 12.5 ft of clearance? Raise the anchor point Use a shorter lanyard Use a SRL SRL Example 3.5 ft for Deceleration 1.0 ft for D-ring slide 2.0 ft for Safety Factor 6.5 ft clearance required
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Anchorage and Anchorage Connectors
Anchorages are defined as secure points to attach an anchorage connector to be used in conjunction with a fall protection or rescue system. Anchorages used for fall protection shall be capable of supporting a load of 5,000 lbs. per worker, unless certified by a qualified person who maintains a 2:1 safety factor. The maximum arresting force (MAF) on the anchor shall be no more than 1,800 lbs.
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Rescue & Escape OSHA (d) (20):The employer shall provide for prompt rescue of employees in the event of a fall or shall assure that employees are able to rescue themselves. ANSI Z359.2 Rev. If emergency services are not able to answer a request for assistance in a timely manner or if they do not have adequate equipment, then companies should have in-house rescue procedures and trained personnel in place Program effectiveness should be evaluated at regular intervals of no more than two years
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