This Practice provides design guidelines for typical OSHA-regulated fixed ladders, ladder safety systems/personal fall arrest systems and cages as specified and detailed for fabrication in PIP STF05501 for open structures, miscellaneous platforms, and vessels for regular operational access and egress. Typical detail drawings for design are provided that describe ladder and cage details, platform access configurations, support and guide connections, ladder location details, and ladder clearances for side step and through ladder types. The intention of this Practice is to inform structure/platform engineers of OSHA regulations regarding fixed ladders and discuss some practical issues that may arise. Interpretations of the OSHA regulations are the responsibilities of the owner and engineer of record.