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ORDINANCE NO. 88 - <br />ordinance, the Sand Ridge shall be characterized by <br />having a combination of the following attributes: <br />(1) The substrate is predominantly excessively drained <br />deep sandy soils or associated moderately well <br />drained soils, being one or more of the following: <br />Paola, St. Lucie, Astatula, Archbold, Pomello, <br />Orsino, and/or Jonathan soil series (as verified by <br />the Soil Conservation Service); <br />(2) The land supports predominantly sand pine (Pinus <br />clausa) and associated scrub vegetation; and/or <br />(3) The natural topographic elevation is equal to or <br />greater than 25 feet mean sea level (MSL). <br />(c) Banktop. The point where the upward slope of the land <br />from the water surface, or the bottom of a dry excava- <br />tion intersects with the existing ground elevation or <br />crest of berm, whichever is of higher elevation. <br />(d) Control elevation. That height above sea level establi- <br />shed for a surface water management system and its <br />control structures by the St. John's Water Management <br />District through the analysis of engineering criteria <br />for such systems and flood routing calculations, or as <br />determined by the Indian River County Engineer where St. <br />John's Water Management District permits are not <br />required. <br />(e) Excavation. The removal of any rock, gravel, soil, <br />shellrock or mineral from the ground where such removal <br />is incidental to any Indian River County Development <br />Order or permit, including approved site plans, subdivi- <br />sion plats, final development plans and/or building <br />permits. Where excavation is associated with con- <br />struction of a single family residence, and such exca- <br />vation is not authorized through any Indian River County <br />Development Order or subdivision plat, all excavated <br />materials in excess of 1,000 cubic yards shall remain on <br />site. <br />(f) Extended Littoral Zone Shelf. The most landward extent <br />of the Littoral Zone, located between control elevation <br />and one vertical foot above control elevation. This <br />segment of littoral zone receives intermittent inunda- <br />tion and is the area where trees are to be planted in <br />association with implementation of water management <br />standards as contained herein. <br />(g) Mine Abandonment. The cessation of mining activities <br />including but not limited to excavation, dewatering, <br />stockpiling, and removal of material offsite for a <br />period of more than one year as reflected in the annual <br />mining report. <br />(h) Mining. The excavation of more than 5,000 cubic yards <br />of rock, gravel, soil, shellrock or minerals from any <br />project site in any calendar year, where the excavated <br />material is hauled from that project site to another <br />location across any public road or any private road, <br />except for those private roads solely within the appli- <br />cant's property. <br />(i) Low water elevation. The normal water table for January <br />to March as determined by the County Engineer. <br />(j) Project site. That portion of the real property which <br />is being excavated or mined, together with all property <br />