Osha Wind Farms


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  • Osha Wind Farms

    1. 1. Wind Farm Safety John Newquist, CSP Assistant Regional Administrator OSHA Region V February 4, 2008
    2. 2. 2025 <ul><li>&quot;Illinois is in the middle of a wind power boom. There's more wind power in development in Illinois right now than any other state in the country,&quot; said Howard Learner, Environmental Law and Policy Center. </li></ul><ul><li>That's because Illinois has wind, a power grid easily reached, a big market and now a new law that says by the year 2025, 25 percent of the electricity Illinois needs must come from renewable sources - most of that would be wind power </li></ul>
    3. 3. How Many are Out There? 13384 built so far.
    4. 4. Wind Farm Standards 1910.269 applies for maintenance
    5. 5. Issues <ul><li>1 descent control – 4 ees </li></ul><ul><li>Compatibility of electrical systems from foreign manufacturers </li></ul><ul><li>Transformer put up in newer Nacelles </li></ul><ul><li>Smoke detection </li></ul><ul><li>LOTO at bottom </li></ul><ul><li>Take Harness off to move around in module </li></ul>
    6. 6. Issues <ul><li>Tower vibrations and fatigues in structures </li></ul><ul><li>Confined space </li></ul><ul><li>4 minute first aid rule </li></ul><ul><li>70E </li></ul><ul><li>Fire extinguisher monthly inspections </li></ul><ul><li>Equipment turning over – cranes dumptruck </li></ul><ul><li>Road Buckles </li></ul>
    7. 7. issues <ul><li>Undergrowth is difficult to walk through </li></ul><ul><li>24 hour operation during construction </li></ul><ul><li>Cranes lifting at maximum capacity </li></ul><ul><li>Different components for different manufacturers makes electrical hookup difficult. </li></ul><ul><li>Fall Protection </li></ul><ul><li>Compressed Gas Cylinders – dropped when hoist, fire source in turbine </li></ul>
    8. 8. Issues <ul><li>Rigging </li></ul><ul><li>Climbs of 200 feet </li></ul><ul><li>Excavation for pads. </li></ul><ul><li>Housekeeping – oil leaks </li></ul><ul><li>Temperature extremes – cold and hot </li></ul><ul><li>RT Forklifts </li></ul><ul><li>Concrete truck maintenance </li></ul><ul><li>Curious spectacles watch erection </li></ul>
    9. 9. Issues <ul><li>Where is the clinic? </li></ul><ul><li>Spiders, snakes, and wasps </li></ul>
    10. 10. Hiring <ul><li>~70% of the labor hired will be local and not familiar with wind towers </li></ul><ul><li>This requires expanded safety and health orientation </li></ul>
    11. 11. New Maintenance Employees <ul><li>Experience sore elbows and forearms from using the torque wrenches wrong </li></ul><ul><li>Foot path to tower is often rough </li></ul><ul><li>Maybe have to climb 3 towers in one day. </li></ul><ul><li>Many try to carry too much from the truck to the tower base instead of doing lighter loads and more trips. </li></ul>
    12. 12. Fit for Duty <ul><li>Workers tested every 2-3 years </li></ul><ul><li>Tests measure flexibility, strength, andcardiovascular. Exams are ~$500 each. </li></ul><ul><li>Climbs are up to 250 feet. </li></ul><ul><li>Young people new to the area and towers are not hardened to the work. </li></ul>
    13. 13. Tower Erection
    14. 14. Tower Erection
    15. 15. Tower Erection
    16. 16. Raising the Nacelle
    17. 17. Critical Lifts
    18. 18. Anyone Up for a Short 250 ft. Climb?
    19. 20. Entry Inside the Nacelle
    20. 23. Fires
    21. 25. Base support
    22. 26. Oil leaks
    23. 27. 8/26/2007
    24. 28. Machine Guarding <ul><li>Fall arrest can be caught in gear boxes </li></ul>
    25. 29. Lockout <ul><li>Recent lock out directive. </li></ul><ul><li>No grandfathering in directive </li></ul>
    26. 30. Electrical <ul><li>Proposed NPFA 850 standard </li></ul><ul><li>1910.269 applies. </li></ul><ul><li>Turbine will have exposed electrical </li></ul><ul><li>Industry should be using Voltage rated tools and Class 2 clothing </li></ul>
    27. 31. Fire Protection <ul><li>Industry can use fire resistive lubes and hydraulic fluids </li></ul><ul><li>Most fires are electrical </li></ul><ul><li>Hazard of putting transformers in the tower </li></ul><ul><li>Brake pads of copper prevent shower of sparks unlike metallic ones. </li></ul><ul><li>Local alarm should be tied to wind turbine controller with audible alarms throughout. </li></ul>
    28. 32. Fire Protection <ul><li>Elevated temperature alarms should be provided to warm of overheating </li></ul><ul><li>Tough to use total flooding in open ventilated area </li></ul><ul><li>Water will freeze in many climates </li></ul>
    29. 33. Falling Objects <ul><li>Tools are the most common object that fall while hoists or climbing. </li></ul><ul><li>Hoisted cylinders have also fallen. </li></ul>
    30. 34. Confined Space <ul><li>One way out </li></ul><ul><li>Fire hazard from oil and smoke from electrical </li></ul><ul><li>Electrical </li></ul><ul><li>Thermal </li></ul><ul><li>Mechanical </li></ul><ul><li>Transformers now inside many new ones </li></ul>
    31. 35. Rescue <ul><li>They have to be taught self rescue </li></ul><ul><li>Many bring out the local FD to show them how rescue is to be done. </li></ul><ul><li>Many have first aid kits in tower and AED in trucks. </li></ul>
    32. 36. Transformers <ul><li>All over 1300 gallons </li></ul><ul><li>Containment is needed per 40 CFR 112 </li></ul><ul><li>Companies have to train employees how to handle spills. </li></ul><ul><li>Glass will fly 300 feet if a fire on a transformer is hit w ith water. </li></ul><ul><li>Do not put new transformer in front of escape door. </li></ul>
    33. 37. Fall Protection <ul><li>ANSI Z359.1 -2007 requires 3600# gates on snap hooks. </li></ul><ul><li>Workers need to be trained in what to look for when inspecting fall arrest equipment. </li></ul>
    34. 38. Shadow Flicker
    35. 39. Websites <ul><li>American Wind Energy Association at www.awea.org </li></ul><ul><li>British Wind Energy Association at www.bwea.com </li></ul><ul><li>2005 Guidelines </li></ul><ul><li>Wind Turbine Safety Rules </li></ul><ul><li>http://www.windpower.org </li></ul>