Confined Space

1
Confined Space

• Instructional Goal
• You will be able to recognize confined space and
  permit required confined space, and be aware of
  the procedures used in confined space entry.

2
Prior to Entering a Confined Space

• all personnel have been trained
• proper permit has been issued
• appropriate PPE is in place and utilized
• OSHAs procedures are in effect

Buddies
3
Definitions

• attendant
• confined space

4
Definitions

• permit-required confined space

• hot work

• inerting

• isolation

• purging

5
Definitions

• standby person

• qualified person

6
Permit Required Confined Space?

• hoppers
• ship compartments
• exhaust ducts
• sewers
• tunnels
• boilers

• storage tanks
• process vessels
• silos
• vaults
• storage bins

7
Permit System
The employer must document

• measures that have been implemented to prevent
  unauthorized entry
• hazards that have been identified and evaluated
  before employee entry
• means, procedures, and practices that are
  necessary for safe entry

8
Permit Guidelines
9
Personnel Responsibilities

• planning entry and exit procedures
• rescue and training drills
• use of testing equipment
• lockout procedures
• ventilation

10
Testing and Monitoring

• oxygen deficiency
• flammability
• toxicity

11
Labeling and Posting
12
Work Practices

• Review Specific SOPs

13
Ventilation

• positive pressure ventilation

• negative pressure ventilation

14
Isolation/Lockout/Tagout
LOCKOUT TAGOUT MAY SAVE YOUR LIFE!
15
Safety Equipment and Clothing

• no single combination of protective equipment and
  clothing is capable of protecting against all
  hazards
• PPE should be used in conjunction with other
  protective methods
• equipment and clothing should be selected that
  provide an adequate level of protection
• overprotection, as well as underprotection, can
  be hazardous

16
Confined Space Rescue

• on-site rescue teams
• outside rescue services
• three types of rescue

• self-rescue

• non-entry rescue - external

• entry rescue - internal

17
Medical Issues

• heart attack

• asphyxia

• chemical toxicity

• burns
• fractures
• lacerations

• heat stroke