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12.A.(4) Repair of erosion gullies on the embankment or in the spillway. large gullies which have already weakened the dam must be repaired in accordance with Rule 6. 12.A.(S) Surface grading of the embank..nt crest or spillway to eliminate potholes and provide proper drainage provided that the freeboard is not reduced. 12.A.(6) Placement of additional riprap and bedding on the upstream slope, or in the spillway in areas which have sustained minor damage. This would involve restoring the original riprap protection where the damage has not yet resulted in weakeni ng of the dam. 12.A.(7) Painting,caulking, or lubricating metal structures. 12.A.(8) Patching or caulking spalled or cracked concrete to prevent deterioration. 12.A.(9) Removing debris, rock, or earth from outlet con- dults or spillway channels. ' 12.A.(IO) Patching to prevent deterioration within outlet works. 12.A.(II) Replacement of worn or damaged parts of outlet valves or controls to restore them to original or eq~ivalent condition. 12.A~(12) Repair or replacement of fences intended to keep traffic or livestock off the dam or spillway. 12.A.(13) And work of a similar nature and magnitude which does not impair the safety of the dam. 12.8. General maintenance and ordinary repair which may impair safety such as exca~ation into or near the toe of the dam, construc- tion of new appurtenant structures for the dam, and repair of damage which has already significantly weakened the dam must be done in accordance with Rule 6. When questions artse concerning this rule, the determination of general maintenance and ordinary repair will be madeby the State Engineer. 12.C. Emergency actions not impairing the safety of the dam may be taken before guidance can be provided by an engineer, and do not require prior approval of the State Engineer. Emergency actions will usually not serve as a permanent solution to the prOblem being addressed. Emergency actions may Include: - 39 -