CARNEGIE MELLON UNIVERSITY
CONFINED SPACE ENTRY PERMIT
Location and Description
of Confined Space Date
Purpose of entry Time
Department Expiration date/time
NATURE OF HAZARDS (Check)
Oxygen deficiency (<19.5%) Mechanical hazards
Flammable gases or vapors Electrical hazards
(>10% of lower flammable limit, Engulfment
or >23.5% oxygen) Materials harmful to skin
Toxic gases or vapors Other (specify)
(>permissible exposure limit)
PRELIMINARY (Check) EQUIPMENT REQUIRED (Check)
Affected Depts. notified Respirator (Specify type)
Isolated, Locked/Tagged Lifeline and safety harness
Drained, cleaned, purged Protective clothing
Ventilated Fire Protection
Barricades erected Electrical equipment & tools:
Procedure reviewed w/ employees Low voltage
Employees informed of hazards Explosion proof
Atmospheric test in compliance Ground fault circuit interrupters
Other Approved for hazardous location
Communication aid (specify):
HOT WORK
Burning Welding Soldering
Cutting Heating Permit Obtained? Yes No
AUTHORIZED ENTRANTS AUTHORIZED ATTENDANTS
Allowable Check if Time & Time & Time &
TESTS Limits Required Results Results Results
Oxygen-min 19.5%
Oxygen-max 23.5%
H2S 10 ppm
Cl2 0.5 ppm
SO2 0.2 ppm
CO 35 ppm
Flammability 10% LEL
Other
Other
Other
Atmospheric monitoring conducted by
FOR LIMITS ON UNLISTED HAZARDS CONTACT ENVIRONMENTAL HEALTH & SAFETY AT 8-8182
EMERGENCY PHONE - 8-2323
CITY RESCUE 622-6940