The following provisions shall apply to coal mining operations:
(a) Ventilating Shafts. Ventilating shafts, including all structures intended to supply air or power to underground coal mines, shall comply with the general provisions set forth in Section 1137.15.
Mechanical baffles, supplemented by topography and/or landscaping shall be utilized to protect the adjacent properties from the noise level of exhaust fans.
(b) Mine Portals. Mine portals, including structures; parking areas and other related facilities, shall comply with the general provisions set forth in Section 1137.15.
(c) Coal Tipples and Cleaning Plants. Coal tipples and cleaning plants including structures, parking areas and other related facilities, shall comply with the general provisions set forth in Section 1137.15 as well as the following additional conditions and requirements:
(1) Structures shall be located at a minimum distance of 500 feet from any lot in any R, B, M-1, M-2, C or S district to insure adequate screening.
(2) The site of tipples or cleaning plants shall be appropriately screened by tree plantings to supplement natural screening provided by the topography, and shall be maintained in good condition.
(d) Mine Waste Disposal. Mine waste disposal areas including any related facilities, shall comply with the general provisions set forth in Section 1137.15 as well as the following additional conditions and requirements:
(1) Mine waste shall be placed in a manner that will prevent combustion.
(2) Mine waste shall be deposited wherever possible in ravines or low areas and at a minimum distance of 100 feet from any other lot in any R, B, M-1, M-2, C or S District to minimize its visibility.
Where topographical conditions and natural vegetation do not afford adequate screening, a suitable landscape screen of trees and shrubs, and a minimum setback distance of 250 feet from any other lot in any R, B, M-1, M-2, C or S district shall be provided. (Ord. 871A. Passed 12-13-65.)