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<br /> SPARSE EXISTING DEVELOPMENT <br /> HYDRAULIC PROJECTED DEVELOPMENT DENSITY <br /> ZONES I I I <br /> Spa rs e Moderate Density High Dens Hy <br /> No Construction * <br /> Cha nne1 i zed No Construction Debri s Bas in <br /> Flow Zoned Open Space Zoned Open Space and Cha nne 1 <br /> Braided El eva tion on Pil es Local Levees and Local Levees and <br /> Flow Street Conv eya nc e Street Conveyance <br /> Sheet Elevation on Piles Elevation on Piles Local Levees and <br /> Flow or Armored Fill or Armored Fill Street Conveyance <br /> MODERATE DENSITY Ex ISTI NG DEVELOPMENT <br /> . <br /> Channel i zed Debri s 8as i n * Debris Basin * <br /> Flow , and Channel and Channel <br /> Bra i ded Local Levees and .. . .* <br /> Street Conveyance DebrlS Basln <br /> Flow (if feasible) and Channel <br /> Sheet Local Levees and Loca 1 Levees and <br /> Flow Street Conveyance Street Conveyance <br /> (if feasible) (if feasible) <br /> HIGH DENSITY ExISTING DEVELOPMENT <br /> Channel i zed * <br /> Debris Basin <br /> Flow and Channel <br /> Bra ided Debris Basin * <br />I <br /> Flow and Channel <br /> Sheet Debris Basin* <br /> Flow and Channel <br /> * w!7l"1 i='L0CD STOP.e..G;: <br /> Figure 6.4 : Recommended Ma nagement Tools for Development Scenari os <br />