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Stock pond T-18 was consWcted in 1988, T-20 in 2001 and T-5 in 2004. These three (3) stock ponds <br />• were constructed under the supervision of Roy Karo (5CC) and wen: constructed and have been <br />maintained in accordance the methodology presented above and set forth in Attachment 13-11, Stock <br />Tank Typical Design. <br />In lieu of a certified inspection report for each of the existing stock ponds, SCC presents the <br />following discussion as a statement of compliance with Rule 4.05.9(14) and 4.05.9(15)(a) through (e) <br />for the existing stock ponds. <br />(a) Ali stock ponds are inspected frequently for any appearance of erosion, instability, <br />structural weakness or other hazardous wnditions. The stock ponds are located so tltat <br />there are no potential safety hazards to downstream structures; therefore, if a failure did <br />occur, there would minimal or no risk to human health and safety or property. <br />(b) All stock ponds are inspected at least annually and future ponds will be inspected regularly <br />during construction. <br />(c) The depth and elevation of impounded waters are recorded during the annual inspections. <br />(d) Future stock ponds will be surveyed when constructed to ensure the storage capacity is <br />within allowable limits. <br />(e) Inspections will record the need for maintenance, 'd required. <br />• Cert~ed AS-Built drawings for the existing stock tanks are included as: <br /> • Exhibit 13-27.71 <br /> • Exhibit 13-27.72 <br /> • Exhibit 13-27.73 <br /> • Exhibit 13-27.75 <br /> • Exhibit 13-27.718 <br /> • Exhibit 13.27.720 <br /> • Exhibit 13-27.722 <br /> • Exhibit 13-27.724 <br />The results of the annual inspections for these (and future) stock tanks will be included in the annual <br />pond inspection report and will comply with items (a) through (e) of Rule 4.05.9(15). <br />Pond Stability. A generic stability analysis was completed to assess the stability of the embankments <br />forming the stock tanks. Instead of completing an analysis for each potential pond, a worst case scenario <br />has been evaluatetl. if the worst case scenario proved to be stable, then the other embankments with lesser <br />height and shallower slopes should be stable. <br /> <br />MR57 7a Revised 01!05 <br />