Bumper zone height

[GaryVoshol]

Originally Posted by mdiradoorian

so bumper zone is within 2 to 10 in off the ground then and around exterior corners.

The Bumper Zone is a zone between 2 horizontal planes and extending outward forever. These 2 planes are 2 inches and 10 inches from the ground.

[Ninja_Bait]

The intent of R33 is to prevent bumpers from cracking under a hard impact. With the support restrictions, theoretically, the risk of your bumpers doing so is lessened. (Learned this in Hartford from an inspector.) Keep that in mind as you design bumpers.