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Man Access Space Requirements

This page provides notes on Human Access Space Requirements

Man Access Space Requirements

This page includes a number of figures illustrating approximate man access requirement.  The dimensions are only for guidance and are based on USA adult male (95% percentile).

Minimum Area Entry Widths
  • 0.330m to 0.45m .... Difficult For 1 Man
  • 0.450m to 0.6m .... Reasonable For 1 Man
  • 0.6m to 0.9m .... Good For 1 Man
  • > 0.9m .... Good For 2 Men
Body clearance for prone access

man prone
Body clearance for kneeling man

Man Kneel
Body clearance for crawling man
Man Crawl
Body clearance for squatting man
Maintenance reach levels
Maintenance Acces
Ramp Access
Ramp
Stairs
Staris

Step Ladders
Step Ladders

Ladders
Ladders

Miscellaneous





Links to Ergometric Sites
  1. DOE-HDBK-1140-2001 .. USA DOE - Pt. 3 Workspace, Storage and Workshop Design- Access and equipment design data (1.3MB pdf)

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Last Updated 10/01/2013