Unless otherwise supervised by a building permit, no person shall increase or decrease the elevation of a lot, tract, or parcel of land by six inches (152.4 mm), or more, from the original elevation, on an area of 1,000 square feet (304,800 mm), or more, unless a grading and excavation permit has been obtained from the director of public works. For the purpose of this section, the original elevation shall be considered the elevation that existed five years prior to the application date of the grading and excavation permit. A grading and excavation permit shall comply with the following:
(1) When the area proposed to be graded, excavated or filled is located within the limits of the 100-year flood area, approval of a separate development permit issued by the floodplain administrator shall be required as a prerequisite to the approval of the grading and excavation permit.
(2) The grading and excavation permit shall indicate whether the soil will or will not be compacted according to the requirements of the building code and, when compacted, the applicant shall provide the director of public works with compaction reports.
(3) When the area proposed to be cut or filled is a building site for a permanent structure or parking area, the compaction requirements contained in the building code shall be required as a condition to the approval of the grading and excavation permit.
(4) Erosion control shall be provided by one of the following means:
c. A silt collection pond when approved by the director of public works;
d. Other storm water pollution controls accepted by the director of public works and the Texas Commission of Environmental Quality.
(5) Dust control shall be provided by approved watering methods or by other means approved by the director of public works.
(6) The method of dust and erosion control shall be indicated on the grading and excavation permit application. Erosion control shall be maintained until vegetative cover is reestablished. The property owner shall remove the erosion control materials upon the city's request.
(Code 1975, § 5-52; Ordinance 2688, § 2, adopted 2/24/2003; Ordinance 3035, § 8, adopted 12/22/2008)