Unfortunately, angle frame bleachers do require a level surface on the site for installation. This is important to keep the bleachers from being unstable and potentially causing fans to lose their balance while climbing the bleachers.
If the site is only slightly off level, some blocking and shimming can occur but the site should be suitable for bleachers. If you are interested in installing temporary bleachers for your event, you can easily send us a picture and we can quickly advise if the area is suitable for bleachers.
Posted in: Questions about Bleachers in General