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ARKANSAS VALLEY DRAINAGE STUDY <br />PROJECT SCHEDULE <br />The following table provides a brief description of the tasks with the revised sequencing�and commencement and completion dates. <br />TASK <br />DESCRIPTION <br />Phase 1 (first 18 months� <br />Commence <br />Complete <br />Task 1— Conduct initial hydrology study on the effects of local flooding from agricultural draina�Te systems <br />Task 2— Inventory and develop GPS/GIS base map of drainage systems. <br />Task 3— Identify, prepare and monitor beta drainage system (demonstration site). <br />Task 4— Clean out beta drainage system (demonstration site). <br />Task 5— Conduct study tour for local drainage district board members. <br />Task 6— Explore formation of consolidated drainage authority for the 25-plus drainage districts in area. <br />Task 7— Numerically code all tile/surface drains into a consolidated multi-county maintenance s��readsheet. <br />Task 8— Determine need for expanding the existing drainage system. <br />Phase 2 final six month� <br />11/1/2004 <br />11/1/2004 <br />4/1/2005 <br />10/ 1 /2005 <br />12/ 10/2005 <br />10/ 1 /2005 <br />1/i/2006 <br />7/1/2005 <br />3/ 1 /2005 <br />12/30/2006 <br />7/30/2005 <br />11 / 1 /2005 <br />12/15/2005 <br />6/30/2006 <br />12/31 /2006 <br />4/30/2007 <br />Task 1— Conduct benefit/cost analysis of drainage system rehabilitation. 7/1/2006 12/30/2006 <br />Task 2— Conceptualize rehabilitation and annual O& M costs under three scenarios. 1/1/2007 4/31/2007 <br />Task 3— Submit final report at end of Year 2. 6/30/2007 <br />Task 4— Submit supplemental report on beta site monitoring at the end of Year 3. 6/30/2008 <br />