In filling excavations, voids and/or other depressions, fill material
must conform to the following standards: a minimum of 66% clay materials
over a compactable, well-graded, engineered fill (e.g., general fill
or crusher run) compacted in lifts with not less than 90% compaction.
The fill shall have no particles greater than six inches (216 cubic
inches) in dimension and shall be free of organics and asphaltic materials.
The final grade shall be of 12 inches of 100% soil content free of
all aggregate materials, sod, roots, stumps, trees, brush, stone and
asphaltic or bituminous materials. Documentation of sources and custody
of the fill materials shall be provided to the Code Enforcement Officer.