2010 ADA Standards for Accessible Design Pocket Guide
1008.3.2 Transfer Steps.
Transfer steps shall be provided where movement is intended from transfer platforms to levels with elevated play components required to be on accessible routes. Transfer steps shall comply with 1008.3.2.
Transfer steps shall have level surfaces 14 inches (355 mm) deep minimum and 24 inches (610 mm) wide minimum.
Each transfer step shall be 8 inches (205 mm) high maximum.
At least one means of support for transferring shall be provided.