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REPORT ON SEWAGE WATER HOLDING POND <br />October 7, 1982 <br />The sewage water holding pond was designed and constructed under my <br />direction. I have checked the calculations for the spillway capacity and <br />the required holding capacity of the pond. I have checked the construc- <br />tion against the Colorado Mined Land Reclamation Division Surface Mine <br />Regulations and found that the pond and associated dam comply to all the <br />requirements in compaction and impermeability. Final inspection shows <br />that the pond has no leakage or structural problems and is functioning as <br />designed. All of the requirements as shown on drawing #DO1G0147 have <br />been complied with. The slopes as shown on the above mentioned drawing <br />were complied with. <br />The pond wiil be monitored using the typical Orchard Valley Mine struc- <br />tural inspection program and sediment monitoring program. <br />~~~ ~ SgKU <br />.~,ea~s ys <br />P'~~~G~STERa,°~ <br />S~ ? ~ <br />~: 15836 <br />I ._ <br />Matthew S. Sakurada <br />Colorado Professional Engineer #15836 <br />J <br />