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<br />k lot z G~r ass 0 cia t e 5 <br /> <br />TABLE OF CONTENTS <br /> <br />EXECUTIVE SUMMARY .. ........... ...................... ...... ........... ........ ..... ........ .................. ES-1 <br /> <br />List of Proposed Improvements for Existing Conditions .............................. Table ES-l <br />Significant Drainage or Flooding Problems .................................................. Table ES-2 <br />List of Proposed Improvements for Future Conditions ................................. Table ES- 3 <br />Proposed Improvements (Section 1 ).............................................................. Figure ES-l <br />Proposed Improvements (Section 2).............................................................. Figure ES-2 <br />Proposed Improvements (Section 3).............................................................. Figure ES-3 <br />Proposed Improvements (Section 4).............................................................. Figure ES-4 <br />Proposed Improvements (Section 5).............................................................. Figure ES-5 <br />Proposed Improvements (Section 6).............................................................. Figure ES-6 <br />Fairmont Park East Subdivision .................................................................... Figure ES-7 <br />Channel Cross Section 10067.4 for B 112-00-00 ........................................... Figure ES-8 <br /> <br />ENGINEERING SUMMARY ............................................................ .......................... EN-1 <br /> <br />SECTION 1 INTRODUCTION <br /> <br />1.1 Purpose and Scope.......... ............................................ ....................... ...... 1-1 <br /> <br />1.2 Authorization............. ...... .......... .................................................. ............ 1-1 <br /> <br />1.3 Prior Reports of Present CWDS Report ............... .............. ............. ........ 1-1 <br /> <br />1.4 CDWS Report................................................... ................. ............ .......... 1- 3 <br />1.5 Data Sources .......... ................ ..................................... ............... .............. 1-4 <br />1.6 Acknowledgements................................................................................. 1-4 <br /> <br />SECTION 2 DRAINAGE FLOODING CONDITIONS <br /> <br />2.1 Background Information.... ................................... ............................. ...... 2-1 <br /> <br />2.1.1 Land Use.... .......... ..... ..... .................. .......... ............................ ...... 2-1 <br /> <br />2.1.2 Drainage Overview....... ............ ................................................... 2-2 <br /> <br />2.2 Watersheds and Primary Surface Drainage ............................................. 2-3 <br />2.2.1 Armand Bayou Watershed......... ..... ..... ............ ................... ......... 2- 3 <br />2.2.2 Clear Creek Watershed ......................... ......... ............... ...... ......... 2-4 <br />2.2.3 San Jacinto/Galveston Bay Watershed................ ........ ................ 2-4 <br /> <br />2.3 Drainage and Flooding Problems ............................................................ 2-5 <br />2.3.1 Base Flood Maps and Regulatory Floodplains............................ 2-5 <br />2.3.2 Drainage and Flooding Problem Identification ........................... 2-6 <br />2.3.3 Subdivision Areas with Significant Drainage or Flooding <br /> <br />Problems...................................................................................... 2-7 <br /> <br />TOC-1 <br /> <br />Klotz Associates Project No. 0127.008.000 <br />January 2009 <br /> <br />La Porte Citywide Drainage Study <br />City of La Porte <br />