Specifications include, but are not limited to: Construction of concrete walk, curbs, driveways, and pavement Permanent pavement markings and signage Permanent signals and detection Stormwater structures and pipe Temporary traffic control and erosion control Topsoil - Furnish topsoil containing no substance detrimental to the growth of plants and that is free of plants designated by the Oregon Department of Agriculture as Type "A" or Type "B" weeds. Unsuitable topsoil, or topsoil placed by the Contractor without approval in areas to be planted, may be required to be replaced at no additional cost to the Agency; Selected Topsoil - Furnish native topsoil from the required excavations meeting the requirements of 00330.10 or from other Agency-controlled lands. The general limits of topsoil materials will be indicated on the plans. The Agency will make the final determination of the areas where the most suitable materials exist. Furnish topsoil that is the fertile part of a soil profile commonly referred to as the "A" horizon, typically ranging in depth from 3 inches to 12 inches. Do not take material for topsoil from a depth greater than 12 inches below existing ground, unless approved. • The seed and labeling complies with Oregon Seed Law and Federal Seed Act. • The seed has been tested within 18 months of the planting date. • The seed is not sprouted, moldy, or showing evidence of having been wet or otherwise damaged. • The seed is labeled as "Oregon Certified Seed" or the equivalent from another state when identified in the Special Provisions.