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<br />12.A.(4) Repair of erosion gullies on the embankment or in <br />the spillway. Large gullies which have already weakened the dam must <br />be repaired in accordance with Rule 6. <br /> <br />12.A.(S) Surface grading of the embankment crest or spillway <br />to eliminate potholes and provide proper drainage provided that the <br />freeboard is not reduced. <br /> <br />12.A.(6) Placement of additional riprap and bedding on the <br />upstream slope, or in the spillway in areas which have sustained minor <br />damage. This would involve restoring the original riprap protection <br />where the damage has not yet resulted in weakening of the dam. <br /> <br />12.A.(7) Painting, caulking, or lubricating metal structures. <br /> <br />12.A.(8) Patching or caulking spalled or cracked concrete to <br />prevent deterioration. <br /> <br />12.A.(9) Removing debris, rock, or earth from outlet con- <br />duits or spillway channels. <br /> <br />12.A.(10) Patching to prevent deterioration within outlet <br /> <br />works. <br /> <br />12.A.(11) Replacement of worn or damaged parts of outlet <br />valves or controls to restore them to original or equivalent condition, <br /> <br />12.A.(12) Repair or replacement of fences intended to keep <br />traffic or livestock off the dam or spillway. <br /> <br />12.A.(13) And work of a similar nature and magnitude which <br />does not impair the safety of the dam. <br /> <br />12.B, General maintenance and ordinary repair which may impair <br />safety such as excavation into or near the toe of the dam, construc- <br />tion of new appurtenant structures for the dam, and repair of damage <br />which has already significantly weakened the dam must be done in <br />accordance with Rule 6. When questions arise concerning this rule, <br />the determination of general maintenance and ordinary repair will be <br />made by the State Engineer. <br /> <br />12.C. Emergency actions not impairing the safety of the dam may <br />be taken before guidance can be provided by an engineer, and do not <br />require prior approval of the State Engineer. Emergency actions will <br />usually not serve as a permanent solution to the problem being <br />addressed. Emergency actions may include: <br /> <br />- 39 - <br />