Frame is attached to roof - 3 legs to side and at top center at 3 points. Rails are all constructed of box steel and set in pockets made of larger box steel. Rails attach at corners with I-bolts and wing nuts.
All rails come outward, lay down and can be strapped for transport.
Deck is made with expanded steel. Ladder is made of channel steel and ladder runs and is attached with rod and clip to upper deck. Platform is attached to bus with shoulder bolts so it can fold up and down. Support arms are entrance door arms, and are attached with pins and clips at all four ends. Steps were made of box steel and was attached to modified wheelchair platform with shoulder bolts for easy folding to side of bus.