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West Virginia Ag Safety Days Kearneysville, WV February 23, 2009 11am-Noon Ladder Safety and Aerial Lifts.

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Presentation on theme: "West Virginia Ag Safety Days Kearneysville, WV February 23, 2009 11am-Noon Ladder Safety and Aerial Lifts."— Presentation transcript:

1 West Virginia Ag Safety Days Kearneysville, WV February 23, am-Noon Ladder Safety and Aerial Lifts

2 Ladders

3 Ladders must be kept in a safe condition -- DO – Keep the area around the top and bottom of a ladder clear Ensure rungs, cleats, and steps are level and uniformly spaced Ensure rungs are spaced 10 to 14 inches apart Keep ladders free from slipping hazards General Ladder Requirements

4 Use ladders only for their designed purpose -- DON’T – Tie ladders together to make longer sections, unless designed for such use Use single rail ladders Load ladders beyond the maximum load for which they were built, nor beyond the manufacturer’s rated capacity General Ladder Requirements

5 Securing Ladders Secure ladders to prevent accidental movement due to workplace activity Secure ladders to prevent accidental movement due to workplace activity Only use ladders on stable and level surfaces, unless secured Only use ladders on stable and level surfaces, unless secured Do not use ladders on slippery surfaces unless secured or provided with slip-resistant feet Do not use ladders on slippery surfaces unless secured or provided with slip-resistant feet This ladder is not on a stable surface

6 Inspect before use for cracks, dents, and missing rungs Design or treat rungs to minimize slipping Side rails -- at least 11 1/2 inches apart Must support 4 times the maximum load Portable Ladders

7 Don’t paint ladders Don’t use an opaque covering (like varnish) on a wood ladder Painting Wood Ladders

8 Ladder Angle Non-self-supporting ladders: Non-self-supporting ladders: (which lean against a wall or other support) (which lean against a wall or other support)  Position at an angle where the horizontal distance from the top support to the foot of the ladder is 1/4 the working length of the ladder

9 When using a portable ladder for access to an upper landing surface, the side rails must extend at least 3 feet above the upper landing surface Ladder Rail Extension

10 Tall Fixed Ladder Requirements Equip a fixed ladder 24 feet or longer with either a: Ladder safety device Ladder safety device Self-retracting lifelines with rest platforms every 150 feet or less Self-retracting lifelines with rest platforms every 150 feet or less Cage or well, and multiple ladder sections, each section not exceeding 50 feet Cage or well, and multiple ladder sections, each section not exceeding 50 feet

11 Do not use the top or top step of a stepladder as a step Top Step

12 A competent person must inspect ladders for visible defects, like broken or missing rungs If a defective ladder is found, immediately mark it defective or tag it "Do Not Use” Withdraw defective ladders from service until repaired Damaged or Defective Ladders Missing rung

13 Face the ladder when going up or down Use at least one hand to grab the ladder when going up or down Do not carry any object or load that could cause you to lose balance Climbing the Ladder

14 Near Energized Electrical Equipment If using ladders where the employee or the ladder could contact exposed energized electrical equipment, they must have nonconductive siderails such as wood or fiberglass. This is an unsafe condition

15 Overhead Power Lines Most overhead power line electrocutions are a result from a failure to maintain proper safe distance. Most overhead power line electrocutions are a result from a failure to maintain proper safe distance. OSHA mandates that all activities, equipment and workers maintain at least a 10 feet distance from a power line OSHA mandates that all activities, equipment and workers maintain at least a 10 feet distance from a power line

16 Water and Electricity In Green industries, water usage is common on a work site. In Green industries, water usage is common on a work site. Water decreases resistance to electricity Water decreases resistance to electricity Wet hand decreases the body’s resistance to shock Wet hand decreases the body’s resistance to shock Keep electrical equipment and cords away from water Keep electrical equipment and cords away from water Never operate electrical equipment when standing in water Never operate electrical equipment when standing in water

17 Contact With Power Lines Indirect contact occurs when the machine, tool, or object someone is holding contacts a line and transfers the energy to the person. Indirect contact occurs when the machine, tool, or object someone is holding contacts a line and transfers the energy to the person.

18 Fatal Fact An employee was trimming a tree that was near an overhead power line. The employee misjudged the distance, cut the branch, and it fell on the line. The employee, who was still holding onto the branch, was electrocuted. An employee was trimming a tree that was near an overhead power line. The employee misjudged the distance, cut the branch, and it fell on the line. The employee, who was still holding onto the branch, was electrocuted. What could have been done differently?

19 Activities Around Power Lines Power line contact can result from: Power line contact can result from: Working in trees Working in trees Pruning trees from the ground Pruning trees from the ground Using long pruning tools made of metal is dangerous Using long pruning tools made of metal is dangerous Raising or moving ladders Raising or moving ladders Raising or lowering machines Raising or lowering machines Moving irrigation pipes Moving irrigation pipes Pulling or installing pump Pulling or installing pump casing and pipe

20 Staying Safe Around Power Lines Always look up for overhead power lines Always look up for overhead power lines Always assume a power line is energized Always assume a power line is energized Non-metallics like lumber, branches, and rope can conduct electricity Non-metallics like lumber, branches, and rope can conduct electricity Use a ground worker to observe clearance Use a ground worker to observe clearance Stay at least 10 feet away Stay at least 10 feet away Don’t use ladders near overhead power lines Don’t use ladders near overhead power lines Plan travel routes for equipment Plan travel routes for equipment

21 Contact With a Power Line If a co-worker contacts a power line: If a co-worker contacts a power line: Do not go near them if they are still in contact Do not go near them if they are still in contact Call the power company to de-energize the line Call the power company to de-energize the line Call emergency services immediately Call emergency services immediately

22 Personal Protective Equipment Proper foot protection (not tennis shoes) Proper foot protection (not tennis shoes) Rubber insulating gloves, hoods, sleeves, matting, and blankets Rubber insulating gloves, hoods, sleeves, matting, and blankets Hard hat (insulated - nonconductive) Hard hat (insulated - nonconductive)

23 Falls Workers in elevated locations who experience electric shock may fall as a result of the shock. Workers in elevated locations who experience electric shock may fall as a result of the shock. Trees Trees Ladders Ladders Aerial lifts Aerial lifts

24 Aerial Lifts

25 Preoperational inspection Preoperational inspection Look for broken, missing, damaged or loose parts Look for broken, missing, damaged or loose parts Check pivot pins/retaining devises Check pivot pins/retaining devises Perform maintenance procedures required by manufacturer Perform maintenance procedures required by manufacturer Look for structural damage, cracked welds Look for structural damage, cracked welds Inspect hydraulic system Inspect hydraulic system

26 Aerial Lifts Lift controls tested daily Lift controls tested daily Only authorized persons to operate Only authorized persons to operate Never tie off to object outside the basket Never tie off to object outside the basket Harness and lanyard required Harness and lanyard required Feet kept firmly on the floor of the basket Feet kept firmly on the floor of the basket No planks or ladders used for work position No planks or ladders used for work position Never exceed basket weight limits Never exceed basket weight limits Lift trucks not to be moved w/ basket elevated Lift trucks not to be moved w/ basket elevated Upper and Lower controls Upper and Lower controls Lower controls for emergency Lower controls for emergency

27

28 Contact With a Power Line If you are in a vehicle in contact with a line: If you are in a vehicle in contact with a line: Stay in the vehicle Stay in the vehicle Make sure no one comes near the vehicle Make sure no one comes near the vehicle Call for help and contact the power company Call for help and contact the power company

29 Contact With a Power Line If you must exit the vehicle because of fire: If you must exit the vehicle because of fire: Jump to the ground and keep your balance Jump to the ground and keep your balance Do not touch anything with your hands Do not touch anything with your hands Hop away from vehicle with both feet together Hop away from vehicle with both feet together If you can’t hop, shuffle your feet keeping both on the ground If you can’t hop, shuffle your feet keeping both on the ground

30 Summary Inspect Ladders before use Inspect Ladders before use Use ladders as manufacturers intended Use ladders as manufacturers intended Avoid contact with overhead wires if you are working with long objects Avoid contact with overhead wires if you are working with long objects Ladders, pruning shears, pruning saws, aerial lifts Ladders, pruning shears, pruning saws, aerial lifts Maintain aerial lift per operators manual Maintain aerial lift per operators manual Operate aerial lift as manufacturer intended Operate aerial lift as manufacturer intended Keep electrical equipment away from water Keep electrical equipment away from water


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