Stairways And Ladders PDF IE438 Industrial Safety And Health Week 10
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Uploaded by AdvancedAstrophysics
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IE438
Dr. Majed Moosa
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Summary
This document is a presentation about stairways and ladders, covering various topics including types of ladders, hazards associated, and safety measures. It emphasizes the importance of safety procedures for construction workers. It also presents some graphs on statistics related to falls from ladders.
Full Transcript
2/7/23 Stairways and Ladders IE438. Industrial Safety and Health Week 10 Dr. Majed Moosa 1 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 1 Introduction • Lesson Overview – Basic types of ladders and stairways – Stairs and ladders hazard...
2/7/23 Stairways and Ladders IE438. Industrial Safety and Health Week 10 Dr. Majed Moosa 1 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 1 Introduction • Lesson Overview – Basic types of ladders and stairways – Stairs and ladders hazards – Methods to prevent stairway and ladder hazards. – Employer requirements PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 2 Created by OTIEC Outreach Resources Workgroup 2 1 2/7/23 Introduction • Falls are the leading cause of fatalities in constructions • Falls from ladders make up about one-third of these fatalities • Approximately 25,000 injuries per year due to falls from stairways and ladders • Falls are preventable 3 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 3 Introduction Percentage of ladder fall fatalities* and nonfatal ladder fall injuries treated in emergency departments,† by fall height (when documented) — United States, 2011 Source: CDC PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 4 Created by OTIEC Outreach Resources Workgroup 4 2 2/7/23 Types of Ladders and Stairways • Basic types of ladders Source: OSHA Source: TEEX Harwood 5 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 5 Types of Ladders and Stairways • Basic types of ladders Source of photos: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 6 Created by OTIEC Outreach Resources Workgroup 6 3 2/7/23 Types of Ladders and Stairways • Basic types of stairways Source of graphics: OSHA 7 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 7 Hazards Associated with Stairs and Ladders • Slips • Trips • Falls Improper use of the top rung of a step ladder Source of photos: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 8 Created by OTIEC Outreach Resources Workgroup 8 4 2/7/23 Hazards Associated with Stairs and Ladders • Electrical Hazards • Falling Objects • Protruding objects, sharp edges, or rough spots This is an unsafe condition. Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 9 Created by OTIEC Outreach Resources Workgroup 9 Reducing or Eliminating Hazards • Ladders – Safe practices – Ladder requirements – Structural defects Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 10 Created by OTIEC Outreach Resources Workgroup 10 5 2/7/23 Reducing or Eliminating Hazards • Ladder-use practices – Extend side rails 3 feet above the upper landing surface – Don’t exceed load/capacity – Use only as designed – Angle ladder so the horizontal distance of bottom is ¼ the working length of the ladder Source of graphics: OSHA 11 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 11 Reducing or Eliminating Hazards – Pitch fixed ladders no more than 90 degrees from the horizontal – Avoid use of ladder on surfaces that are: • Unstable • Not level • Slippery – Secure ladders to prevent movement This ladder is not on a stable surface and is not properly positioned. Source of photos: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 12 Created by OTIEC Outreach Resources Workgroup 12 6 2/7/23 Reducing or Eliminating Hazards – Prevent movement/displacement • Secure • Barricade – Keep clear areas around top and bottom. – Equally support rails of non-self-supporting ladder at the top. PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 Source of photos: OSHA 13 Created by OTIEC Outreach Resources Workgroup 13 Reducing or Eliminating Hazards – Ascending or descending ladder • • • • • Maintain 3-point contact Face ladder Stay inside side rails Never carry tools/objects in hands Be extra careful getting on or off Source: OSHA Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 14 Created by OTIEC Outreach Resources Workgroup 14 7 2/7/23 Reducing or Eliminating Hazards – Don’t move, shift, or extend while in use. – When exposed to energized electrical equipment, use nonconductive side rails. – Don’t use the top step of a stepladder. – Don’t climb the cross-bracing on the rear section of a stepladder. Source: TEEX – Harwood 15 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 15 Reducing or Eliminating Hazards – Don’t use single-rail ladders. – Inspect (competent person) • visible defects periodically • and after any incident • that could affect their safe use. Source of photos: TEEX - Harwood PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 16 Created by OTIEC Outreach Resources Workgroup 16 8 2/7/23 Reducing or Eliminating Hazards • Ladder requirements: – Provide double-cleated ladder or two or more ladders: • when having 25 or more employees using as only means of access to work area; • when serves two-way traffic. Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 17 Created by OTIEC Outreach Resources Workgroup 17 Reducing or Eliminating Hazards – Rungs, cleats, and steps: • Parallel, level, and uniformly spaced • Spacing – Along portable or fixed ladder side rails – 10 to 14 inches apart – Between center lines on step stools – 8 to 12 inches apart – Between center lines on extension trestle ladders – 8 to 18 inches apart; extension section 6 to 12 inches PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 Source: OSHA 18 Created by OTIEC Outreach Resources Workgroup 18 9 2/7/23 Reducing or Eliminating Hazards – Don’t tie or fasten together to create longer sections, unless design allows – Side rail of spliced side rails must have strength equal to one-piece side rail Source: OSHA – Stepladder must have a metal spreader or locking device to hold in open position. Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 19 Created by OTIEC Outreach Resources Workgroup 19 Reducing or Eliminating Hazards – Platforms or landings - offset two or more separate ladders used to reach an elevated work area. – Ladder surface - free of projections, sharp edges, or abrasive materials that could puncture or cut user, or snag clothing. – Wood ladders - not coated with any opaque covering, except for identification or warning labels only on one face of a side rail. Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 20 Created by OTIEC Outreach Resources Workgroup 20 10 2/7/23 Reducing or Eliminating Hazards – Remove defective ladders from service • Broken or missing parts • Corrosion • Other faulty or defective components – “Do Not Use” – Repair to original design criteria PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 Source: OSHA 21 Created by OTIEC Outreach Resources Workgroup 21 Reducing or Eliminating Hazards • Stairs – Handrails – Stair rail systems – Stair requirements – Temporary pan stairs Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 22 Created by OTIEC Outreach Resources Workgroup 22 11 2/7/23 Reducing or eliminating hazards • Install handrail on stairways – 4 or more risers – 30 inches of rise Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 23 Created by OTIEC Outreach Resources Workgroup 23 Reducing or eliminating hazards • Install stair rail system – Toprail, mid-rail, and sometimes a toeboard – Unprotected sides and edges of stairs with rise of 6 or more feet Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 24 Created by OTIEC Outreach Resources Workgroup 24 12 2/7/23 Reducing or eliminating hazards • Build/maintain stairs that meet OSHA requirements – – – – – Uniform riser height and tread depth 30 to 50 degrees angle Landings every 12 feet Remove projections Correct slippery conditions Un rm i fo 0& -3 Source: OSHA d 50 . eg an g le No more than 1/4 inch variation in any stairway system Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 25 Created by OTIEC Outreach Resources Workgroup 25 Reducing or eliminating hazards • Temporary pan stairs – Secure in place before filling – Fill to top edge – Replace worn treads and landings Source: OSHA PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 26 Created by OTIEC Outreach Resources Workgroup 26 13 2/7/23 Employer requirements • Comply with OSHA standards related to stairs and ladders – Training – Inspection • Comply with manufacturers’ requirements and recommendations for all ladders. PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 27 Created by OTIEC Outreach Resources Workgroup 27 Hazard Recognition - Ladders • Identify ladders hazards and solutions Source: TEEX – Harwood PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 Source: OSHA 28 Created by OTIEC Outreach Resources Workgroup 28 14 2/7/23 Hazard Recognition - Stairs • Identify stairs hazards and solutions Source: Luis Diaz Source: OSHA 29 Created by OTIEC Outreach Resources Workgroup PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 29 Summary • Key components for ladder safety: – A competent person must inspect – Use the correct ladder for the job – Use the correct angle, supports, treads, cross braces, and rails – Don’t overload – Your employer must train you in proper use of a ladder PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 30 Created by OTIEC Outreach Resources Workgroup 30 15 2/7/23 Summary • Key components for stairway safety –Treads – Rails • Handrails • Stair rails • Guardrails – Landings and Platforms PPT 10-hr. Construction – Stairways and Ladders v.05.18.15 31 Created by OTIEC Outreach Resources Workgroup 31 16