Approximate Run Times: bp Adelaide Grand Final gates will open at 8.00am. This ticket gives you access to the bp Adelaide Grand Final event, including all activities on Sunday, as well as entry to the Guns N' Roses concert in the rear General Admission standing area. . Children's Policy: Students & Children 12 years and over may purchase the Concession price. Children under 12 years are admitted for free if accompanied by a paying Adult. .