Gwinnett County Parks Georgia Design Features: A 2,900 square foot rectangular pavilion with A-frame trusses; A 2,800 square foot, multi-functional pavilion with tongue and groove decking in an intricate octagonal shape; A 800 square foot breezeway with 8 A-frame trusses and tongue and groove decking. Bold shapes and innovative design make this one of the parks most notable landmarks in recent years.