Corporate%20Safety%20I:%20ISMS,%20SOPs,%20Lock%20Out%20/%20Tag%20Out%20

1
Corporate Safety I ISMS, SOPs, Lock Out / Tag
Out Electrical Safety

• Bill Hecker, Ron Terry, Larry Baxter
• ChE 477 UO Lab
• Discussion 8

2
Outline

• The Safety Pyramid
• ISMS
• SOPs
• Lock Out / Tag Out / Try
• Electrical Safety

3
Safety Pyramid

• Tool used to anticipate safety problems
• Statistical relationships between levels of
  safety incidents
• Prevention of catastrophies starts with
  prevention of minor incidents

4
5-step Safety Management Plan

• Five steps to safety management
• Define scope of work
• Analyze and categorize hazards
• Develop and implement hazard controls
• Conduct work
• Collect feedback and improve process

5
Standard Operating Procedures

• Documents hazards and mitigation strategies
• Discusses training and certification requirements
• Posted and signed for each major facility

6
Electrical Safety

• Terminology
• Electrocution death from electric shock
• Electric shock non-fatal encounter with
  electricity
• Risk of electrocution varies non-monotonically
  with current (body resistance ranges from 1 kO
  500 kO)

7
Electrical Safety

• Circuit breakers protect buildings and equipment.
• Ground-fault circuit interrupters (GFCI) protect
  people.
• GFCI senses difference between current in hot and
  neutral lines.
• Trips if the difference is gt 5 ma.
• Required in new construction near water and
  outdoors.