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<br />~ <br /> <br />5. No revetment work or riprap has been displaced, washed out, or <br />removed; <br /> <br />6. No action is being taken, such as burning grass and weeds during <br />inappropriate seasons, which will rerard or destroy the growth of sod; <br /> <br />7. Access roads to and from the levee, turnarounds for maintenance <br />vehicles and ramped road crossings are properly maintained; <br /> <br />8. Crown of levee is shaped and maintained so as to drain readily; <br /> <br />9. There is no unauthorized grazing or vehicular traffic on the levee; <br /> <br />10. Encroachments are not being made on the levee right-of-way which <br /> <br />might endanger the structure or hinder their proper and, efficient functioning <br />during times OT emergency. . <br /> <br />Such inspections shall be made immediately prior to the beginning of the <br />flood season; immediately following each major high-water period; and, <br />otherwise, at intervals not exceeding 90 days; or at such intermediate times <br />as may be necessary to insure the best possible care of the levee. Immediate <br />steps shall be taken to correct dangerous conditions disclosed by such <br />inspections. Regular maintenance repair measures shall be accomplished <br />during the appropriate season as scheduled by the superintendent. <br /> <br />4-02 Drainage Structures. <br /> <br />a. Operation. Whenever high water conditions impend, all gates will be <br />inspected a short time before water reaches the structures' invert and any <br />object which might prevent closure of the gates shall be removed. Automatic <br />flap gates shall be closely observed until it has been ascertained that they <br />are securely closed. Manually operated slide gates shall be closed as <br />necessary to prevent inflow of floodwater. <br /> <br />All drainage structures through the levee shall be inspected frequently <br />during flood periods to see whether seepage is taking place along the line of <br />contact with the embankment. Immediate steps shall be taken to correct any <br />.adverse condition. <br /> <br />b. Maintenance. Adequate measures shall be taken to insure that inlet <br />and outlet channels are kept open, that trash, drift or debris is not allowed <br />to accumulate near the drainage structures and that areas used for ponding <br />for temporary storage of interior runoff during flood periods are not allowed <br />to fill with Silt, debris and dumped material. Flap and manually operated <br />gates on drainage structures shall be examined, lubricated and trial operated <br />at least once every 90 days. Periodic inspection shall be made by the <br />superintendent to be certain that: <br /> <br />1. Inlet and outlet channels are open; <br /> <br />7 <br />