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(a) No organic material shall be permitted in fills.
(b) No rock or similar irreducible material with a maximum dimension greater than eight inches shall be buried or placed in any fill unless permitted by the County Official after receipt of a report by a soil engineer certifying that he or she has investigated the property and the fill material and that a fill including such greater size material may be constructed to meet the requirements of this Division. When such greater size material is placed in fills it shall be done under the direction and supervision of a soil engineer.
(Added by Ord. No. 9547 (N.S.), effective 5-9-03)
Unless specifically prohibited by the terms of the Grading Permit, materials excavated from any site for use thereon may be screened upon that site, and all materials which are to be placed as fill upon any site may be mixed upon that site.
(Added by Ord. No. 9547 (N.S.), effective 5-9-03)
Fills toeing out on natural slopes which are steeper than two horizontal to one vertical shall not be made unless approved by the County Official after receipt of a report by a soil engineer certifying that he has investigated the property, made soil tests and that in his or her opinion such steeper slope will safely support the fill proposed to be made.
(Added by Ord. No. 9547 (N.S.), effective 5-9-03)
In areas intended or designed to support buildings, expansive soil shall not be placed within three feet of the finish grade in such building areas unless approved by the County Official after receipt of a report by a soil engineer certifying that he or she has investigated the property and recommended a design of footings or floor slab or other procedure that will alleviate any problem created by placing the expansive soil within such building areas.
(Added by Ord. No. 9547 (N.S.), effective 5-9-03)
Fills constructed predominantly of large rock will be permitted only if the specifications for such fill are prepared by and construction done under the direction and supervision of a soil engineer. Large rock fills will not be permitted within six feet of finish grade or within two feet of the bottom of any utility pipeline.
(Added by Ord. No. 9547 (N.S.), effective 5-9-03)
(a) Cuts and fills shall be set back from property lines and buildings shall be set back from cut or fill slopes in accordance with Figure No. 1 of this section.
(b) Fill placed above the top of an existing or proposed cut or above a natural slope steeper than three horizontal to one vertical shall be set back from the edge of the slope a minimum distance of six feet.
(c) The setbacks established by this section are minimum and may be increased by the County Official if he or she deems it necessary for safety or stability or to prevent possible damage from water, soil or debris.
(d) The County Official may reduce the required setback in either of the following cases:
(1) where he or she determines the necessity for the setback eliminated or reduced by the construction of retaining walls or because the owner has the right to extend slopes onto the adjacent property; or
(2) after receipt of a report by a soil engineer certifying that he or she has investigated the property and that in the engineer's opinion the reduction in the setback will not endanger any public or private property or result in the deposition of debris on any public way or interfere with any existing drainage course.
(Added by Ord. No. 9547 (N.S.), effective 5-9-03)
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