Minimum criteria are provided for steps@ stairways@ ladders@ walkways@ platforms@ handrails@ handholds@ guardrails@ and entrance openings which permit ingress to and egress from operator@ inspection@ or service platforms on off-road work machines parked in accordance with the manufacturer's instructions. This Recommended Practice pertains to off-road self-propelled work machines used in construction@ general purpose industry@ forestry and specialized mining machinery categories as defined in SAE J1116 (JUN81). It also pertains to specialized off-road machines used in mining such as shovels@ draglines@ and drills not identified in SAE J1116. The minimum criteria established herein is based on one unladen person using the access system at any one time. PURPOSE: This Recommended practice establishes guidelines for access systems primarily to aid in minimizing accidents and injury to personnel getting on@ off@ or moving about while servicing or preparing to operate off-road machines.