Specifications include, but are not limited to: Snow Fence shall consist of wood slats tightly woven together with galvanized wire cables, in accordance with the following provisions. The space between slats shall not be more than 4 inches. Slats: Slats shall be Southern Pine, Douglas-fir, or Northern Hardwood. The dimensions of the slats when the fence is delivered shall not be less than 3/8 inch by 1-½ inches. Slats shall be free from wane. Slats shall be cut with square ends to a length of 47-½ to 48-½ inches and shall be well seasoned before weaving. Not more than 3 percent of the slats in any roll of fence shall be weak because of cross grain, knots or other defects. Cables: The slats shall be tightly woven together by four cables, each cable to consist of two galvanized wires. The wire shall be 13-gauge industry standard. One cable shall be placed approximately 4 inches from each end of the slats and the other cables equally spaced between these. Each wire shall meet requirements of ASTM A 116, class 1 coating. The coating shall be smooth and free from blister spots, scales, holes, or other imperfections and shall not crack or spall when the wire is fabricated into snow fence.