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2/26/2015 <br />Hansen Park Concept Plan <br />3, Reconstructed dam w/30" bypass outlet at 873.0 feet <br />Re -graded <br />island -- _ -—.J Berm for Flood <br />Staging Area - - <br />Sediment Forebay for :�' Protection <br />Future Maintenance <br />` r <br />i ,: •�g}Sri �! i,��..L •',_•_ � '� '•4.'+ ^_ •�, .� •`, , <br />+ u <br />50,000 yd' <br />Dredging & f <br />Excavation - ^ <br />eel <br />Improved - <br />• <br />-z-Maintenance <br />Access <br />r1,ANSiN <br />�.rr .. <br />._ �+ •r ... _ �' _ — _ PARK POND <br />' NWL lowered 2.3 feet (from 875.3 to 873.0) <br />Depth increased 0.7 feet (from 33 to 4.0) ! <br />_ <br />Pond open water surface area increased <br />E. <br />m <br />Hansen Park Concept Plan <br />3, Reconstructed dam w/30" bypass outlet at 873.0 feet <br />_ <br />Primary Spoil ? Dam overflow elevation raised 2.0 feet to 877.3 feet <br />Staging Area - - <br />Raised park trails to accommodate '• �- .. _ j _ <br />increased water level of 2 -year storm,, ` <br />or reduce duration of trail flooding <br />l _ Secondary Spoil_ - <br />I <br />Staging Area <br />