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Scaffolding: Chicken Ladders

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Scaffolding: Chicken Ladders

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    1. Scaffolding: Chicken Ladders

    2. What is a Chicken Ladder? A plank with cleats spaced and secured at equal intervals, for use by a worker on roofs; not designed for transporting material. Also known as Crawling Board

    3. Scaffolding: Chicken Ladder

    4. Primary Use Chicken Ladder Scaffolding is used when working on a sloped surface or when a load is needed to be distributed evenly across a surface.

    5. Scaffolding: Chicken Ladder

    6. Typical Hazards or Safety Concerns Falling Off Roofs Breaking Tiles, Shingles, etc.

    7. Injury Statistics There are few OSHA recordable injuries from actual Chicken Ladder events Most are likely recorded as falling from roof However, in 1994 construction, the most frequent OSHA violation was failure to have fall protection for employees working six feet or higher from the ground. Fall protection violations totaled 1,944 in 2004, with $4.26 million in initial penalties. 1- Fall protection - Unprotected sides and edges - 1912 violations 2- PPE - Head protection - 1562 violations 3- Fall protection - Residential construction - 1530 violations 4- Scaffolding - Fall protection - 1400 violations

    8. Injury Statistics About 300,000 injuries annually are a result of falls. The average claim for a fall is more than $3,500. Many fall claims far exceed this amount. Occupational falls result in more than 1,500 deaths throughout the year.

    9. Accident Example A laborer fell from a barn roof while attempting to retrieve a one gallon can of roof coating during a repair operation. He was apparently working without fall protection on a chicken ladder that was hooked over the peak of the barn roof. There was only one other person present at the work site when the accident occurred.

    10. Accident Example Two employees were using a crawling board/chicken ladder type apparatus while they painted the roof of a barn. The crawling board/chicken ladder broke, and both employees fell approximately 35 feet to the ground. One employee sustained multiple injuries, and the other employee was killed. As a result of its investigation, OSHA issued a citation alleging one serious violation and two other than serious violations. OSHA's construction standards include several requirements which, if they had been followed here, might have prevented this fatality.

    11. OSHA Accident Prevention Recommendations Crawling boards/chicken ladders must be constructed so as to meet the minimum design specifications set forth for such equipment (29 CFR 1926.451(v)(1)). A firmly fastened lifeline of at least 1/4 inch rope or equivalent must be strung beside each crawling board or chicken ladder for a handhold (29 CFR 1926.451(v)(2)). Crawling boards/chicken ladders must be effectively secured to the roof (29 CFR 1926.451(v)(3)). A safety program must be established to prevent accidents. It must include frequent and regular inspections of job sites, materials, and equipment by a competent person (29 CFR 1926.20(b)(1) and (b)(2))

    12. Chicken ladder used without fall protection on roof. 1926.451(g)(1)(iii): Each employee on a crawling board (chicken ladder) shall be protected by personal fall arrest, guardrails, or by 3/4 inch grabline or equivalent handhold securely fastened beside each crawling board. Violation: No fall protection at edge of pump jack or on chicken ladder. No midrail on scaffold.

    13. OSHA Regulations 1926.452(m) Crawling boards shall extend from the roof peak to the eaves when used in connection with roof construction, repair, or maintenance. Crawling boards shall be secured to the roof by ridge hooks or by means that meet equivalent criteria (e.g., strength and durability).

    14. OSHA Regulations Subpart L Appendix A (m) Crawling boards shall be not less than 10 inches wide and 1 inch thick, with cleats having a minimum 1 x 1 1/2 inch cross-sectional area. The cleats shall be equal in length to the width of the board and spaced at equal intervals not to exceed 24 inches.

    15. OSHA Regulations Employees on a crawling board shall be protected by a personal fall arrest system, a guardrail system (with minimum 200 pound top rail capacity), or by a three-fourth inch (1.9 cm) diameter grab-line or equivalent handhold securely fastened beside each crawling board.

    16. Safety Procedures When using Chicken Ladder Scaffolding: Always wear hard hats. Tie off at all possible times. Discuss a safety strategy prior to performing the task. Follow all OSHA standards Check for equipment faults before, during, and after completing all work.

    17. Think Safety Work Safely

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