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Confined spaces

Confined spaces. Controlling hazards and minimizing risks. Ways to control hazards and make confined spaces safer. Barriers and signage Equipment upgrades or engineered controls Contract out confined space work. 2. Signage. Sign tells workers to keep out

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Confined spaces

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  1. Confined spaces Controlling hazards and minimizing risks

  2. Ways to control hazards and make confined spaces safer • Barriers and signage • Equipment upgrades or engineered controls • Contract out confined space work 2

  3. Signage • Sign tells workers to keep out • Worker training — need to respect signage 3

  4. Signage must be: • Clearly visible • Well maintained 4

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  9. Barrier – tanks • Install barriers in hatchways to prevent entry 9

  10. Equipment upgrades and engineered controls • Move equipment outside of the space or install a system that removes equipment (e.g., pumps, agitators) for servicing or repair • Install clean-in-place systems • Install augers to break up bridges in bins • Relocate openings (e.g., on the side, rather than the top) and make the openings larger • Install removable stairways into vaults or pits 10

  11. Manure pit 11 11

  12. Pump shed • Install ventilation fans • Move valves, pumps, and controls to outside panels so workers do not have to enter the shed 12 12

  13. Milk tank • Install clean-in-place automated washing system so workers do not have to enter • Contract out internal maintenance and repair 13

  14. Water treatment plant • Install stairways for easier access 14

  15. Compost truck • Design a pole-mounted pusher so workers can push remaining compost without entering the truck bed • Install a wash system in the truck bed to help clear compost 15

  16. Bins and silos • Install an in-place system to remove grain or feed blockages — workers do not have to enter the space 16

  17. Contracting out • Contracting out delegates work to people with specialized training and equipment • Contractors must have their own confined space entry program • Employers must ensure contractors are competent to work in confined spaces and are following safe work procedures 17

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