SPACE IDENTIFICATION
Confined Space ID / Number
Location *
Space Description
Planned Work
SPACE CONFIGURATION
Orientation
Portal Size (least dimension)
Depth / Height (ft)
INHERENT HAZARDS
Hazards that exist as permanent characteristics of the space — its design, structure, configuration, and fixed equipment. (NFPA 350 §6.3.4.1)
INTRODUCED HAZARDS
Hazards not normally present but brought in by workers, materials, or work processes. (NFPA 350 §6.3.4.2)
ADJACENT HAZARDS
Hazards in the surrounding area that may affect the entry space. (NFPA 350 §6.3.4.3)
ATMOSPHERIC ASSESSMENT
Test in order: O₂ → LEL → Toxics (OSHA 1910.146(d)(5)(iii)). Test at multiple elevations. Rate of progress must accommodate sampling speed. (NFPA 350 Ch. 7)
CONTROLS
RESCUE CONFIGURATION FACTORS
These factors determine team sizing and positioning per NFPA 350 §10.1.3.4 and Table A.10.9.1.