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Exhibit 7-23B,Table 1 <br /> Ditch Design Parameters <br /> Side <br /> Design Slope, Specified Bottom Slope, Rip Rap, <br /> Ditch Name Ditch Station Event Flow,Q % Type Depth Width H:1V D50, in <br /> D-1 Ditch 0+00 to 6+23 10 year 12.4 21.0% riprap 4.0 12.0 2.0 6.0 <br /> D-2 Ditch 0+00 to 30+64 10 year 10.5 4.9% riprap 4.0 12.0 2.0 3.0 <br /> D-3 Ditch 0+00 to 15+24 10 year 12.7 16.1% Riprap 4.0 12.0 2.0 9.0 <br /> D-4 Ditch 0+00 to 11+65 10 year 10.4 12.0% riprap 4.0 12.0 2.0 9.0 <br /> D-5 Ditch 0+00 to 64+77 10 year 56.1 2.0% vegetated 4.0 12.0 2.0 NA <br /> D-6 Ditch 0+00 to 37+41 10 year 37.6 5.9% vegetated 4.0 20.0 2.0 NA <br /> Exh. 7-23B-2 Revision Date: 31/6/20 <br /> Revision No.: TR-136 <br />