MARKSTAAR's "Preferred" non-elevated aluminum bleachers provide quality construction at an affordable price. 3 Row models are under 30", therefore most building codes do not require guardrails. All "Preferred" bleachers 5 rows and higher include riser plank under seat row 4 and above, plus chain link guardrail to close all spaces over 30" above grade to less than a 4" opening.
3 row Non-Elevated Bleacher w/ Galvanized Steel Frame - Preferred 10" anodized aluminum seat plank, (2) two 10" aluminum foot planks per row. Galvanized frame. 16" first seat height. 6" rise per/row. 28" top row height.
Dimensions 28" H x 57.5" W Diagram (pdf) Specifications (pdf)
Image: 3 Row Low Rise Bleacher - Preferred shown.