PWD ConfinedSpaceRequirements · OSHA 1910.146 Permit-Required Confined Spaces • Written program...

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OSHA 1910.146 Permit-Required Confined Spaces

• Written program• Entry permit • Provide training• Provide equipment• Provide rescue of entrants• Conduct an annual review

of the program

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Confined Space Emergency Response: Assessing Employer and Fire Dept Practices

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Incidents 431Fatalities 530Rescuers 47

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Injuries - Fatalities

1. Hazardous Atmospheres2. Falls – Into/Inside 3. Explosion or Fire In/Point of entry 4. Electrocution/Shock5. Caught In/Crushing6. Trapped in unstable material7. Struck by Falling Object into the space

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Injuries - Fatalities

8. Insufficient maneuverability in the space9. Eye Injuries10. Contact with temperature extremes11. Noise 12. Vibration13. Stress from excess exertion in the space

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MaineOld Orchard Beach (2) BNASS. Paris (2) PortlandBelfast (2) RocklandBig 6 Township (1) LewistonFranklin (1-1) Livermore FallsGreene (1) AugustaBangor (3?-1) KitteryFairfield (1) BiddefordMadawaska (1) GlenburnAuburn (3-1) WestbrookKennebunkport (2) Falmouth

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12-50

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Hazardous Atmospheres

Leading cause of death in confined spaces:• H2S, CO, CO2, 02 Def, Combustible• May occur naturally - Methane• May be a chemical brought into the space• May be a product used, stored in the space• Product may leaks into the space

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Hazardous Atmospheres• Oxygen content

– Has less than 19.5% or more than 23.5%

• Combustible– Has more than 10% LEL– Combustible dusts (5’ rule)

• Toxic - Reaches poisonous levels, measured in PPM

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Note: legal levels are not necessarily safe levels

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Air Monitoring• Gas detectors

determine conditions and monitor the atmosphere to warn of changing conditions

• Must know the proper use and limitations of the meter

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Ventilation

• Ventilators (gas or electric) are used to make a hazardous atmosphere safe, and to keep it safe

• Be careful to blow only fresh air into the space

• Use in conjunction with air monitoring

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Engulfment Hazards

• Water• Wastewater

• Grain• Sawdust

• Soil

Liquid/Solid

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Rescue - Recovery

• IDLH atmospheres• Engulfment hazard• Dismembered victim(s)• Hazardous Materials• Maine Workplace

Manslaughter Act

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1910.146 Sec k, Rescue & Emergency Services

• Required for Permit SpacesNon-Entry verses Entry

• On site - trained, equipped, annual exercise

• Off site - Fire/EMS Services: agreement, available, trained, equipped, exercises

• Under “Emergency Response” of the writtenplan, calling 911 is not the best answer

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CSRT Required Personnel• Entry Supervisor• Attendant• Entrant• Backup Entrant

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Rescuer• An employer whose employees have been

designated to provide permit space rescue and emergency services shall take the following measures:– Provide adequate employee training– Provide affected employees with the personal

protective equipment– Provide appropriate rescue equipment

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Rescuer cont.

• Train affected employees to perform assigned rescue duties

• Practice making permit required space rescues at least once every 12 months

• Train affected employees in basic first-aid and cardiopulmonary resuscitation (CPR).

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Representative Spaces

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Non-Entry Rescue

• Attendant rescue– Notify EMS– Use retrieval device to

extract entrant without entering the space

– Start First Aid/CPR

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Out & Down

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Entry Rescue

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Entry Rescue

Point of entry

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Point of entry

Rapid Rescue ToolsWristlets

Wristlets may beworn by the entrantif a harness is notpractical, or wouldcreate a hazard.

Wristlets can alsobe used as a non entry rescue tool.

Anklets

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Slimmest profile

Airway opened

May be only option

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Patient Packaging

• Do No Harm• Patient Assessment• Mechanism of Injury• Level of packaging needed• Equipment needs• Level of training• Rapid Extrication

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Packaging Equipment

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Rope Rescue Issues

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Team Development

• Program Management• Staffing• Training • Equipment• Preplanning• Exercises• Funding• Legal

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Portland Water District CSRT

• Project team, not necessarily an emergency response team

• On site and available whenever entry rescue may be required in a permit required space

• Team provides education for crews throughout the District

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