10-13-08 Drainage and Flooding Committee minutes

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k lot z ~~t: ass 0 cia t e 5 4.2.3 Storm Sewer System Improvements.................. .................... ...... 4-7 4.2.4 Local Ponding Relief Using Sheet Flow Paths............................ 4-8 4.3 Identified Types of Remedies for Future Conditions .............................. 4.3.1 Assumed Detention Strategies for Development......................... 4.3.2 Channel Improvements................................................................ 4.3.3 Storm Sewer System Improvements............................................ 4.3.4 Local Ponding Relief Using Sheet Flow Paths............................ 4.4 Identified Improvements.......................................................................... SECTION 5 COST AND IMPLEMENTATION 5.1 Recommended Drainage Improvements ................................................. 5.1.1 Costs of Feasible Remedies.... ....................... ....... ....................... 5.1.2 Recommended Improvement Proj ects......................................... 5.1.3 Order of Construction of Recommended Improvements ............ 4-9 4-9 4-11 4-12 4-12 4-12 5-1 5-1 5-2 5-4 5-6 5-6 5-6 5-7 5-8 5-8 . 5-10 5-11 5-11 5-12 5-12 5-12 5-13 5-13 5-14 5-15 5-16 5-17 5.2 Implementation Issues ............................................................................. 5.2.1 Chance ofInformation or Details of Projects.............................. 5.2.2 Pre-Construction Requirements................................................... 5.2.3 Tidal and Tropical Storm Influences ........................................... 5.2.4 Design Frequencies.............................. ........................................ 5.2.5 Non-City Funding............................ ............................................ 5.2.6 Drainage Interaction with Other Cities........................................ 5.2.7 Implementation of Drainage Criteria................. ............. ............. 5.2.7.1 Provision of Sheet Flow Paths......................................... 5.2.7.2 Construction in Special Flood Hazard Areas .................. 5.2.7.3 Minimum Low Chord Clearances ................................... 5.2.7.4 Capacity Improvements in Storm Sewer Systems........... 5.2.7.5 Minimal Detention Levels and Numbers of Detention Sites.......................................................................... ....... 5.2.7.6 Enforcement of Drainage Criteria ................................... 5.2.8 Issues in Regional Pond Development for Future Development 5.2.9 Existing Detention Issues......... ........ ............. ............ .................. 5.2.10 Easements, Right-of-Way, and Land Acquisitions ..................... 5.2.10 Ownership and Maintenance of Drainage Facilities.................... Klotz Associates Project No. 0127.008.000 January 2009 TOC- 3 La Porte Citywide Drainage Study City of La Porte