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Cabarrus County Zoning Ordinance Chapter 8- Conditional Uses • A map showing the final topography, after rehabilitation, to the same scale as the site plan. It shall also depict any water areas and methods for preventing stagnation and pollution, landscaping and ground cover proposed to be installed and the amount and type of back fill, if any, to be employed • A phasing and timing plan, related to the phasing and timing portion of the Operations Plan, showing the progression of the rehabilitation and the date to be completed • The method of disposing of all equipment, structures, dikes and spoil piles associated with the operations • The name, address and signature of land owners and applicants • A written legal description of survey of the property, prepared by a North Carolina registered land surveyor or engineer All operations associated with extraction shall conform to the following performance standards: a. Direct illumination resulting from the operation shall not fall upon any land not covered by the application. b. Equivalent sound levels at the boundaries of the extraction site shall not exceed the following standards: • Between 7:00 am and 7:00 pm 60 DBA • Between 7:00 pm and 7:00 am 55 DBA c. Vibration levels at the boundaries of the extraction site shall not exceed the following standards: Maximum Peak Particle Velocity: • Steady state 1.0 inches /second • Impact 2.0 inches /second NOTE: The maximum particle velocity shall be the product of two times the frequency in cycles per second times the sum of three mutually perpendicular displacement components recorded simultaneously. For purposes of this Ordinance, steady state vibrations are vibrations which are continuous, or vibrations in discrete impulses more frequent than sixty per minute. Discrete impulses which do not exceed sixty per minute shall be considered impact vibrations. Maximum air blast vibration, measured at the lot lines of the zoning lot containing the extractive use, shall be one hundred and twenty -five decibels on the linear scale. The rehabilitation plan shall be referred to the Cabarrus County Soil and Water Conservation District for review and recommendation. In particular, its review should focus on the landscape material specified, the planting and maintenance proposed to insure continuous growth and development, and, the acceptability of the proposals for the handling of lakes, ponds, etc. The District's report is not necessarily binding upon the Commission. d. The permanent roads, defined as those to be used in excess of one year, within the excavation site shall be surfaced with a dust free material such as soil cement, bituminous concrete or Portland Cement concrete from the nearest public road to Chapter 8 Page 9 of 35 Attachment number 5 G -1 Page 243