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Section 816.49 (e) Continued. embankment is completed, provid ed that the active, upstream face of the embankment where water will be impounded ma y be riprapped or otherwise stabilized. Areas in which the vegetation is not successful or where rills and gullies develop shall be repaired and revegetated to comply with the requirements of 30 CFR 816.106 and 30 CFR 816.111-816.117. All embankments of all impoundments and associated structures will be revegetated in accordance with the provisions of this paragraph and of 30 CFR 816.111-816.117, 816.106 and as described and refer- enced in discussions under those Sections and as described and referenced in the discussion under 30 CFR 816.46 (s). (f) All dams and embankments meeting the size or other criteria of 30 CFR 77.216(a) shall be routinely inspected by a qualified registered professional engineer, or by someone under the supervision of a cuali- fied registered professional engineer, in accordance with 30 CFR • 77.216-3. Routine inspections of such structures will be conducted as des- cribed in Section 816.46. (g) All dams and embankments shall be routinely maintained during the mining operations. Vegetative growth shall be cut where necessary to facilitate inspection and repairs. Litches and spillways shall be cleaned. Any combustible material present on the surface, other than material such as mulch or dry vegetation used for surface stability, shall be removed and all other appropriate maintenance procedures followed. All impoundments will be maintained according to specifications set forth in Exhibit 14, Sedimentation Ponds-Geotechnical Investiga- tions. Paintenance procedures will include mowing and cutting of excess vegetative growth for the purpose of facilitating inspections • and repairs, and will include keeping ditches, culverts, spillways, and other outlet structures free of debris. All combustible material, other than mulch or other material needed for erosion control and 816-53