15 foot 3 row portable school bleachers are a great size portable bleacher for weekend sporting or town events. At 15 feet wide x 3 rows of 2 x 10 powder coated planks, this bleacher seats 30 adults and is only 30 inch high. Galvanized steel frames are fabricated from alloy steel angles using full welds at all joints to give added strength. The low rise is 7 inches per row which is comfortable for adults and children. NOTE: Please check your local building codes to determine required specifics for portable bleachers. Does not include guardrails.