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STRUCTURE DETAIL FOR SEDIMENT POND: <br />ELEVATION -CAPACITY -TABLE <br />Sediment Pond designed to Contain 10 -year event <br />CatWaliau /or rolume Lash ar average endarea mM/xrd <br />Elev <br />End Area <br />AH <br />Vol. <br />5412 <br />3310 <br />0.2 <br />CF <br />5414 <br />4810 <br />2 <br />8120.0 <br />5416 <br />6729.0 <br />2 <br />11539.0 <br />5418 <br />8952.0 <br />2 <br />15681.0 <br />5420 <br />11479.0 <br />2 <br />20431.0 <br />5421.5 <br />13601.5 <br />1.5 <br />18810.4 <br />5422 <br />14309 <br />0.5 <br />6977.6 <br />5422.9 <br />- <br />- <br />- <br />vol. <br />Curren. Vol. <br />ACR <br />ACR <br />Available Water Storage <br />0.19 <br />0.2 <br />Elev,of valved 6' Primary Spillway <br />0.26 <br />0.5 <br />0.36 <br />0.8 <br />Required Pond Storage <br />0.47 <br />1.3 <br />0.43 <br />1.7 <br />10 -Year Peak Stage <br />0.16 <br />1.9 <br />Elev. of Emergency Spillway <br />• <br />Elev. of Emergency Spillway rowing full <br />'TM In blue penoles pang ic/umes U tare eP c 4v aW o/AutxCa <br />"TPM In rep p,r tRA, tldrM W/Wr <br />SEDIMENT POND DESIGN STORAGE SUMMARY <br />0.2 Ac -Ft <br />Maximum Sediment Storage"' <br />1.7 Ac -Ft <br />Available Water Storage <br />1.9 Ac -Ft <br />Available Pond Stora e <br />... Sediment to be cleaned out once it reaches 60% of the maximum storage elevabon of 5413.2 ft. <br />Required storage volumes based on the 10 -year event, see preceding pages 13-15 <br />Please reference permit page 2-48 for description to how the pond will be operated and maintained. <br />Appendix M 24 10/08 <br />SEDIMENT POND REQUIRED STORAGE SUMMARY <br />0.2 Ac -Ft <br />Required Sediment Storage <br />1.7 Ac -Ft <br />Required Water Storage <br />1.9 Ac -Ft <br />Required Pond Storage <br />Please reference permit page 2-48 for description to how the pond will be operated and maintained. <br />Appendix M 24 10/08 <br />