1.1 This practice establishes criteria for the design of amusement rides, devices and major modifications to amusement rides and devices manufactured after the effective date of publication except as noted in .1.2 This practice shall not apply to:1.2.1 Patron directed amusement rides or devices (for example, go karts, bumper cars, bumper boats),1.2.2 Artificial climbing walls,1.2.3 Air-supported structures,1.2.4 dry slides,1.2.5 coin operated rides,