Culverts and Confined Space

Here are some resources that discuss the issue of whether (or when) a culvert is a confined space.

• California Department of Transportation - Safety and Health Procedures for Confined Spaces
  http://www.dot.ca.gov/hq/opo/safety/safetymanual/Chap_14-2000.doc
  
• Safety Bulletin - New York State Department of Transportation - Culvert / Subsurface Structure Entry
  https://www.nysdot.gov/portal/page/portal/divisions/operating/employee-health-safety/repository/culvertsbbg.pdf
  
• Ohio Department of Transportation - Culvert Management Manual
  http://www.dot.state.oh.us/se/hy/Culvert.htm
  
• Ohio Department of Transportation - Discussion of Confined Space Ratings of Culverts (starting at page 12)
  http://www.dot.state.oh.us/se/hy/CulvertManagement/Culvert_Training_files/Inventory_Lesson3_A.pdf
  
• ...mention of "City of North Las Vegas' “Box Culvert Inspection Safety Program"
  http://www.asselv.org/docs/Chapter%20Meeting%20Minutes%20September%202003.pdf
  

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