Laserfiche WebLink
OAKLEY SEDIMENT STORAGE SITE CORRECTIVE ACTION PLAN � '- <br /> PUBLIC CONCERN BACKGROUND INFORMATION ESTIMATED ESTIMATED <br /> � AND CORRECTNE ACTION TO BE TAKEN FUTURE TIME <br /> CITY COST FRAME <br /> A. Flooding has occurred at 13ACKGROLJND INI�ORMA"I'ION: The sub-surface drain pipe installed as part of the <br /> the east end of the storage original storage site did not function properly and resulted in the flooding of the <br /> site along Angle Crossing roadways. The layout of the original facility also resulted in a change in the storm <br /> Road,Prairie View Road, water drainage pattern which increased the amount of surface water flowing to the area <br /> and Kitchen Road at a larger where flooding occurred. The City has completely replaced the drain pipe. <br /> magnitude than prior to <br /> consh-uction of the storage CORRECTNE ACTION TO BE TAKEN: The storm water surface drainage system $0 to 2001-2010 <br /> site. will be revised to restore the original surface drainage patterns. The area will be $100,000 <br /> monitored, and if future flooding occurs, the City will perform the necessary design <br /> and construction work to provide a drainage system that will not cause more flooding <br /> than that would have occuned prior to the construction of the original storage site. <br /> B. Some of the underground BACKGROUND INFORMATION: The original storage site records identify <br /> field tile lines that were approximately twenty(20) locations where underground field tiles were intercepted. <br /> intercepted during <br /> construction of the original CORRECTNE ACTION TO BE TAKEN: At each of the locations identified from the No additional 2001-2002 <br /> storage site may not be original records,the field tiles will be uncovered and checked to see if they are cost—included <br /> functioning properly. functioning properly. If they are not, investigations will be conducted to determine in site reuse <br /> ' why they are not functioning. In locations where it is determined that the construction construction <br /> activity of the original storage site caused the tile system to cease functioning,the tile costs <br /> system will be repaired. At all locations,the immediate upstream landowner will be <br /> advised of the findings of the investigations and any repairs made. At locations where <br /> the tiles flow into open ditches, tile outlet structures and slope protection will be <br /> installed as needed. <br /> During the construction activities for the reuse of the storage site, adjacent landowners <br /> will be contacted to obtain data on the location of any underground field tile systems <br /> not previously located. Exploration trenches will be used to locate field tile in areas <br /> where tile systems are suspected to exist. Inspection wells will be installed on all <br /> lrnown field tile lines to aid in the future monitoring of the field tile systems. <br /> Page 1 of 4 <br />