FHWA FP-24
Section 713 — Roadside Improvement Material
FP-24 · Division 700 — Material. Full current text with cross-references on BuildSpec.
Section 713. — ROADSIDE IMPROVEMENT MATERIAL 713.01 Topsoil. (a) Provided topsoil. Provide fertile, friable, free draining, sandy loam soil that is free of subsoil, refuse, stumps, roots, brush, weeds, rocks larger than 1 inch, or other substances detrimental to the development of plant growth. Conform to the following: (1) Texture (a) Organic matter, AASHTO T 267 3.0 to 10.0 percent (b) Sand, AASHTO T 88 20 to 70 percent (c) Silt, AASHTO T 88 10 to 60 percent (d) Clay, AASHTO T 88 5 to 30 percent (2) pH, AASHTO T 289 6.0 to 8.0 (b) Conserved topsoil. Conform to Subsection 204.02(c) . 713.02…
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