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D.C. Municipal Regulations (Last Updated: September 13, 2017) |
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Title 11. ZONING REGULATIONS OF 1958 |
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Chapter 11-25. MISCELLANEOUS ZONING REQUIREMENTS |
Section 11-2505. EXCAVATION OF ROCK, CLAY, SAND, OR GRAVEL
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2505.1The excavation of rock for commercial purposes or the operation of a rock quarry shall be expressly prohibited in any district.
2505.2Clay, sand, or gravel may be excavated for commercial purposes in a C-M or M District, subject to the standards of external effects for a C-M District in § 804.
2505.3If approved by the Board of Zoning Adjustment as a special exception under § 3104, clay, sand, or gravel may be excavated for commercial purposes in a Residence or Commercial District; provided, that the requirements of §§ 2505.4 through 2505.12 shall be met.
2505.4The applicant for Board approval under § 2505.3 shall submit with the application a site plan showing the:
(a)Proposed area of operation;
(b)Distance between any excavation operation and existing streets, alleys, and lot lines of the lot upon which the use will be located;
(c)All existing underground utilities;
(d)Proposed manner of operation, including the routing of trucking to and from the site; and
(e)Proposed rehabilitation or improvement of the site when operations cease.
2505.5The following shall be prohibited:
(a)Cement plants or rock crushers;
(b)Other crushing, grinding, or polishing machinery; and
(c)Other processing equipment.
2505.6Dirt or dust shall not be permitted to escape or be discharged in objectionable amounts from the lot upon which the excavation is conducted.
2505.7All private access roads shall be provided with a dustless surface.
2505.8The lot upon which the excavation is conducted shall be enclosed by a fence of a type and to a height to be prescribed by the Board, unless expressly waived by the Board.
2505.9Excavation operations shall be restricted to the hours from 7:00 a.m. to 7:00 p.m., with no operations conducted on Sundays or legal holidays.
2505.10The excavation operations shall be subject to any requirements for setback, screening, or other requirement that the Board deems necessary for the protection of neighboring or adjacent property.
2505.11The Board may require the execution of a bond to secure the performance of all conditions imposed on the excavation.
2505.12Upon cessation of any excavation operations approved under § 2505.3, the site devoted to that use shall be rehabilitated in the following manner:
(a)The final slope or wall of any excavation or pit shall not exceed the normal limiting angle of repose or slippage, and shall be planted to prevent erosion;
(b)The site shall be left in a condition so that it will not unreasonably interfere with the future development of neighboring or adjacent property, or any street or alley for which an approved line and grade have been established; and
(c)Any other conditions that the Board deems necessary to preserve the sightlines of the site or the requirements of safety.