This practice provides design, construction, and installation criteria for inclined ladders to be installed within cargo tanks. Where ladders are attached to platforms, see Fig. 1 and Fig. 2 . Values stated in SI units are to be regarded as the standard. The values stated in parentheses are provided for information purposes only. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.