(A) The following general development standards shall be met at the time of site development plan review in addition to the approval criteria found in § 1-19-3.300.4.
(1) On site.
(a) Minimum lot size shall be 25 acres.
(b) Required setbacks:
Type of Operation: | Adjacent Zoning: | |
RC, R, ORI, GC, MX, RR* | A, GI, LI | |
Crushing or rock processing of stone, gravel or other material | 300 ft. | 150 ft. |
Stockpile of materials | 300 ft. | 150 ft. |
Building used for mineral mining operation | 300 ft. | 50 ft. |
*RR is a land use designation on the County Comprehensive Plan and for the purpose of these standards is intended to be treated as land zoned residential.
(c) Blasting activities shall be conducted in accordance with the rules and regulations promulgated by the State of Maryland, Department of Natural Resources, Water Resources Administration, applicable to surface mining activities.
(d) Building height restrictions. The height of principal use equipment shall not exceed 100 feet from grade; accessory structures shall not exceed 60 feet from grade. Agricultural buildings are exempt from height restrictions.
(e) Frontage. The site shall have a minimum of 80 feet frontage on a public road meeting the collector street standards established in the comprehensive plan. Access shall not be provided by use of a panhandle.
(f) Lot width. The lot width at the front building line shall be a minimum of 300 feet.
(g) Open space/green areas. All setback areas shall be landscaped and maintained as green space.
(h) Exclusions from setbacks. Fences, railroad access, warning signs, security/noise barriers, berms may be located within the setback areas.
(i) Fencing. Fencing shall be required around all mineral mining and accessory activity areas.
(j) Lighting. Lighting shall be designed and directed so as not to adversely impact adjoining properties and shall be specifically approved during the site plan approval process.
(k) Access. Commercial/industrial entrance standards shall be utilized in the design of any point of access to a public road, including acceleration and deceleration lanes.
(2) Off-site.
(a) The applicant shall establish that the roads serving the site and which will be utilized as haul routes meet the collector street standards and are capable of handling the traffic to be generated by the proposed activities.
(b) The applicant shall provide evidence as to what effect the proposed use will have on the groundwater supply and quality of all adjoining properties.
(3) Additional regulations. Mineral mining and all activities conducted on site shall meet all federal, state and local regulations governing noise, dust, air pollutant emissions, vibrations, water appropriation and discharge.
(B) Development standards for property with existing mineral mining zoning as of April 27, 2012.
(1) The minimum lot size for all permitted uses within the district will be 25 acres.
(2) All operations including storage or stockpiling of excavated or processed materials will be located a minimum of 150 feet from all property lines, except land zoned GI general industrial or land upon which other extraction or processing operations are being conducted, in which case the setback from all property lines will be 50 feet. The required setback area will be landscaped and maintained as green area.
(3) The public road providing access to the site will meet the minimum pavement standard of a collector street as established in the County Comprehensive Plan.
(4) Mineral mining operations shall conform to all State of Maryland permits and other approvals.
(Ord. 12-08-603, 4-17-2012; Ord. 14-23-678, 11-13-2014)