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Ladder Safety


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Ladder Safety

  1. 1. SF Department of Public HealthOccupational Safety & Health Ladder SafetyHazard ReviewFallsSlips, tripsAuthority: CCR Title 8 Sections 1675-1678SelectionLadder Specifications: Rungs spaced 12 inches apart vertically. Cleat ladders must not exceed 30 feet in length. Extension ladders must not exceed 44 feet in length. Width of ladders must be at least 15 inches and not exceed 20 inches.Right Length: Determine vertical height from ground level to the point where ladder willrest against the wall surface. Use the chart below: Vertical Working Proper Ladder Proper Distance from wall base Height Length Overlap to ladder base 12 16 3 4 14 18 3 4.5 16 20 3 5 20 24 3 6 24 28 3 7 28 32 3 8 32 36 3 9 34 40 3 10 38 44 4 11 44 50 5 12.5Adequate Strength: Choose ladder strong enough for the job.Able to Be Secured: If possible, select a ladder which can be properly secured to asupport using wire or rope.OSHA Approved: Ladders purchased after July 1, 1992 must have an OSHA approvallabel. Label identifies the ladder as being designed and manufactured in accordancewith American National Standards Institute (ANSI).Proper Feet: Ladders should have proper feet for the terrain.Prohibitions: Makeshift ladders (scrap wood ladders). Painted wooden ladders (paint may hide defects or damage).Pre Use Inspection:Inspect Ladder: Inspect all ladders each time they are used for the following: Dirt and grease which may conceal defects.LadderSafety.doc 1
  2. 2. SF Department of Public HealthOccupational Safety & Health Ladder Safety Proper rung to side rail connections. Check for corrosion inside rungs of metal ladders. Damaged, missing or loose rungs, side-rails or safety shoes. Working parts (on extension ladders). Working hinges, bolts and ropes.Do Not Use Defective Ladders: Report defective ladders to your supervisor so theycan be repaired or destroyed.Ladder Set Up4:1 Ratio: Place straight ladders so the distance from the base of thewall to the base of the ladder is one quarter the length of the ladder.Make sure portable straight ladders have safety feet.3 Feet Above: Extend the ladder a minimum of three feet above toppoint of support, unless handholds are provided.Avoid Power Lines: Make sure your work is not close to any power orutility lines.Secure Ladder: Secure all ladders and tie down if possible.USE WARNING DEVICES. Set up barricades and warning devices when working inhigh traffic areas.Raise Before Extending: Raise extension ladders before extending.PROVIDE SOLID FOOTING. Place a portable ladder so that both side rails have securefooting. Provide solid footing on soft ground to prevent the ladder from sinking.Substantial Base: Always place ladder feet on a solid and level base, not on movableobjects.FULLY OPEN AND LOCKED. Be sure a stepladder is fully open and the metal spreaderis locked before you start to climb it.Prohibitions: Step ladders shall not be used as straight ladders, and must not exceed 20 feet in length. Do not use metal ladders when working on or near electrical circuits. Do not place ladders in front of doors opening toward the ladder, (unless door is blocked open, locked or guarded). Do not place a ladder against a window pane or sash. Never lean a ladder against insecure backing (loose boxes, barrels, etc). Never use a plank as a platform on the top step of a stepladder. Do not splice or lash short ladders together. Do not use ladders during a strong wind. Do not use ladders in a horizontal position as platforms, runways, or scaffolds. Do not use ladders on scaffolds or other similar elevated work platform.LadderSafety.doc 2
  3. 3. SF Department of Public HealthOccupational Safety & Health Ladder SafetyClimbing Ladders:Clean Shoes & Rungs: Be sure your shoes are not greasy, muddy or slippery before youclimb. Also, be sure rungs are clean and free of grease, mud, water, oils, etc.ALWAYS FACE THE LADDER.USE BOTH HANDS AND FEET. Carry small tools in a work-belt. Use arope or hand-line to haul heavy tools or other loads up or down.GRASP SIDERAILS, NOT RUNGS.TAKE ONE STEP AT A TIME.NEVER SLIDE DOWN LADDER.NOT HIGHER THAN THIRD RUNG FROM TOP. Do not climb higher than the third rungfrom the top on straight or extension ladders or the second tread from the top onstepladders.Dont Climb Back Support: Do not use the back supports of stepladders for climbing.Working From A LadderStay Within Siderails: Keep your body within the side-rails. Do not over-reach.Both Feet on Ladder: Keep weight over both feet.One Person at a Time: Allow only one person on the ladder a time -- NO EXCEPTIONS.DON’T BOUNCE LADDER. Move the ladder as your work progresses. Never "bounce"a ladder (do not shift ladder position while on a ladder).SECURE TOOLS. If using tools, be sure to secure your tools so that they can’t fall off andinjure someone below.LadderSafety.doc 3