R11-3-705. Off-site Soil

A. In accordance with an approved post-aggregate mining reclamation plan, the responsible party shall ensure: 1. Final capping growth media, including growth media brought from off-site: a. Supports vegetation that is not listed in R3-4-245, b. Provides a stable growing surface, and c. Does not create a hazard to public safety; and 2. All slopes and benches are no steeper than 2H:1V unless otherwise approved by a professional engineer for seismic stability. B. If all the filling for engineered slopes in an approved post-aggregate reclamation plan cannot be performed within a year after cessation of aggregate mining or the last aggregate mining activity, the responsible party shall submit a written request to the Inspector for an extension of time. The Inspector shall retain a financial assurance mechanism until all safe slope building and stability procedures in the approved post-aggregate reclamation plan are completed.