Specifications include, but are not limited to: Topsoil / Backfill Dirt: • Topsoil furnished by the vendor shall consist of a natural friable surface soil without admixtures of undesirable subsoil, refuse, or foreign materials. It shall be reasonably free from roots, hard clay, coarse gravel, stones larger than one inch in any dimension, noxious weeds, tall grass, brush, sticks, stubble, or other material which would be detrimental to the proper development of vegetative growth. • Topsoil shall be obtained from naturally well drained sites where topsoil occurs at least 4-inches deep. • Topsoil shall not be obtained from bogs or marshes. • Topsoil shall be dry upon delivery and/or pick up. Sandy Loam: • The Sandy Loam shall be made up of the following: o 70 – 75% Sand o 15 – 20% Silt o 5 – 10% Clay o 2 – 5% Organics • The clay content for these soils should less than 10% by volume. A saturated hydraulic conductivity of at least 2.0 feet per day (1.0 inches per hour) is required.