Specifications include, but are not limited to: 1. Clean Out all existing sand, gravel and drainage tile which must be removed and disposed of off-site. 2. The edges, faces and bottoms must be shaped as necessary to achieve the proper conditions to utilize the Better Billy Bunker method of construction and limit golf ball plugging or “fried egg lies”. 3. The bunker edges must have a minimum of a six-inch vertical lip. 4. The bottoms must be smooth, compacted and properly sloped to achieve excellent drainage. All loose soil must be removed. 5. The floor of the bunkers’ slopes must be equal to or less than the 100% angle of repose of approved sand. 6. Faces may be lowered as needed to achieve desirable results. 7. Drainage trenches must be wide and deep enough to allow a four-inch perforated pipe to be fully enclosed in washed pea gravel (not exceeding ½” in size) and be below the level of the clay bottom of the bunker