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Preliminary Engineering Report For ens Road From 300 Feet North of Spencer Highway <br />to 300 Feet North of Avenue "H" PIN No. Cl/102/1002/005 <br />Prepared For: Harris County Flood Control District <br />Prepared By: Binkley & Barfield, Inc. Consulting Engineers <br />August 2006 <br />The proposed improvements to Sens Road will provide for a 5-lane concrete roadway <br />from approximately 300 feet north of spencer highway to 300 feet north of Avenue "H" <br />for a project length of 3,887 feet. The proposed concrete roadway will be drained by the <br />proposed storm sewer system. The proposed drainage system for Sens Road outfalls <br />within the Project Limits and consists of three storm sewer runs. Two of the runs will <br />outfall into the improved Little Cedar Bayou (HCFCD Unit F216-00-00) and the third <br />one will join the existing box culvert that flows to the south into the Bay Area Boulevard <br />system. The proposed storm sewer system for all areas will consist of the trunk line, <br />leads and proposed inlets. The existing box culvert at Little Cedar Bayou (F216-00-00) <br />will be replaced with a new culvert and outfalls for the tributary two storm sewer <br />systems. Little Cedar Bayou (HCFCD Unit F216-00-00)is proposed to be improved fir <br />storm water mitigation and maintaining the 100-year storm water surface elevation at the <br />existing water surface elevation. The limits of Little Cedar Bayou improvement will be <br />Sens Road on the west and the Union Pacific Railroad to the east. A Storm water <br />detention facility will not be required for Little Cedar Bayou due to the diversion of water <br />from Avenue "D" into the Bay Area Boulevard system. This project also includes a <br />proposed detention basin near Harris County Flood Control District Ditch A104-00-00 <br />and channel improvement on a portion of this ditch. <br />