Clear Anodized Aluminum Plank Powdercoated Steel Support Structure 3 Tier Single Footplank 9' Long Seating Capacity: 18 Approx. Shipping Weight: 268 lbs. Lifetime Limited Warranty All welded steel understructure with black powdercoat 2" x 4" treated wood runners Mill finish footplanks Single and double footplanks available Upper seat level is below 30" First Team Fanstand bleachers meet guidelines set by 2002 IBC recommendations for bleachers. Check with your building inspector for local and state code requirements.