(A) All open excavations, including the removal of topsoil, except those excavations or topsoil removals that are referred to in §§ 95.15(B), 95.16 and 95.17 of this chapter, shall provide for complete self-drainage, or if self-drainage is not provided, then the following conditions must be met.
(1) A minimum water depth of four feet shall be maintained at all times.
(2) All shorelines, within the zone of water level fluctuation, shall be constructed and maintained on a slope of four feet (horizontal) to one foot (vertical), or steeper, and where such sloping may result in the creation of a hazardous or dangerous condition, the provision of fencing, exit ramps or stairs, ladders or other safety devices may be required.
(3) The topmost berm around the excavation shall be constructed and maintained to permit ready access of, and shall be continuously available to, light vehicles for purposes of mosquito control.
(4) Provision shall be made for prompt and adequate control of all aquatic and semi-aquatic vegetation and the removal of debris and floatage below the topmost berm.
(B) Those open excavations or removal of topsoil necessary or incidental to the construction or installation of building, structures or other fixed works shall be excluded from the provisions of division (A) above. In the event the necessary or incidental excavations or areas of topsoil removal are not completely covered within a period of one year after commencing the excavation or removal of topsoil, the excavations shall be made self- draining or shall be back-filled within 30 days after notification.
(Prior Code, § 95.15)