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<br />Table 6-1 <br /> <br />I <br /> <br />I <br /> <br />Floodway Table <br /> <br />Lena Gulch <br /> <br />I <br /> <br />O.S-FooT RISE FLOODWAY DATA <br /> <br />FLOODWAY DATA <br /> <br />1-FooT RISE <br /> <br />FLOODPLAIN DATA <br /> <br />LOCATION <br /> <br />I <br /> <br />MEAN <br />VEL. <br />eFPS) <br /> <br />DISTANCES LOOKING DOWNSTREAM <br /> <br />FLOODWAY <br />ELEV. <br />eFT) <br /> <br />FLOODWAY WIDTH <br />LEFT RIGHT TOTAL <br />eFT) eFT) eFT) <br /> <br />DISTANCES LOOKING DOWNSTREAM <br /> <br />MEAN <br />VEL. <br />eFPS) <br /> <br />FLOODWAY <br />ELEY. <br />eFT) <br /> <br />FLOODWAY WIDTH <br />LEFT RIGHT TOTAL <br />eFT) eFT) erT) <br /> <br />500-YR DATA <br /> <br />FLOOD <br />ELEV. <br />eFT) <br /> <br />DIS- <br />CHARGE <br />(CFS) <br /> <br />50-YR DATA <br /> <br />FLOOD <br />ELEV. <br />eFT) <br /> <br />DIS- <br />CHARGE <br />eCFS) <br /> <br />10-YR DATA <br /> <br />FLOOD <br />ELEV. <br />eFT) <br /> <br />DIS- <br />CHARGE <br />eCFS) <br /> <br />F.P. <br />WIDTH <br />eFT) <br /> <br />MEAN <br />VEL. <br />eFPS) <br /> <br />100-YR DATA <br /> <br />FLOOD <br />ELEV. <br />eFT) <br /> <br />THALWEG <br />ELEY. <br />eFT) <br /> <br />DIS- <br />CHARGE <br />eCFS) <br /> <br />SECT. <br /># <br /> <br />RCH <br /># <br /> <br />SHT <br /># <br /> <br />I <br /> <br />13.2 <br />5.2 <br />4.4 <br />6.3 <br />6.6 <br />9.3 <br />10.9 <br />5.5 <br />5.1 <br />13.9 <br />8.1 <br />8.1 <br />13.1 <br />11.5 <br />13.4 <br />8.2 <br />9.6 <br />9.9 <br />11.1 <br />10.5 <br /> <br />5532.5 <br />5535.5 <br />5539.0 <br />5538.8 <br />5538.9 <br />5538.7 <br />5538.7 <br />5540.4 <br />5540.9 <br />5542.0 <br />5544.6 <br />5544.8 <br />5549. 1 <br />5550.1 <br />5551.3 <br />5554.7 <br />5561.4 <br />5564.5 <br />5568.1 <br />5572.4 <br /> <br />60 <br />70 <br />70 <br />70 <br />70 <br />60 <br />60 <br />90 <br />100 <br />50 <br />75 <br />80 <br />60 <br />50 <br />50 <br />65 <br />145 <br />80 <br />60 <br />75 <br /> <br />30 <br />40 <br />40 <br />40 <br />35 <br />30 <br />30 <br />35 <br />35 <br />20 <br />20 <br />40 <br />10 <br />25 <br />35 <br />-40 <br />40 <br />60 <br />20 <br />30 <br /> <br />30 <br />30 <br />30 <br />30 <br />35 <br />30 <br />30 <br />55 <br />65 <br />30 <br />55 <br />40 <br />50 <br />25 <br />15 <br />105 <br />105 <br />20 <br />40 <br />45 <br /> <br />13.2 <br />5.2 <br />4.4 <br />6.3 <br />6.6 <br />11.7 <br />12.0 <br />5.3 <br />4.8 <br />13.9 <br />9.7 <br />7.6 <br />13.0 <br />13.4 <br />14.0 <br />9.2 <br />9.7 <br />9.9 <br />12.2 <br />9.6 <br /> <br />5532.5 <br />5535.5 <br />5539.0 <br />5538.9 <br />5538.9 <br />5538.7 <br />5538.7 <br />5540.9 <br />5541..3 <br />5542.0 <br />5544.6 <br />5545.3 <br />5549.1 <br />5550.1 <br />5551.5 <br />5555.0 <br />5561.4 <br />5564.5 <br />5568.2 <br />5572.4 <br /> <br />60 <br />70 <br />70 <br />70 <br />70 <br />50 <br />60 <br />90 <br />100 <br />50 <br />50 <br />80 <br />60 <br />50 <br />50 <br />65 <br />145 <br />80 <br />60 <br />75 <br /> <br />30 <br />40 <br />40 <br />40 <br />35 <br />25 <br />30 <br />35 <br />35 <br />20 <br />20 <br />40 <br />10 <br />25 <br />35 <br />-40 <br />40 <br />60 <br />20 <br />30 <br /> <br />30 <br />30 <br />30 <br />30 <br />35 <br />25 <br />30 <br />55 <br />65 <br />30 <br />30 <br />40 <br />50 <br />25 <br />15 <br />105 <br />105 <br />20 <br />40 <br />45 <br /> <br />5535.7 <br />5539.3 <br />5543.0 <br />5542.8 <br />5543.1 <br />5542.9 <br />5542.7 <br />5544.0 <br />5544.6 <br />5547.9 <br />5547.4 <br />5547.4 <br />5551 .9 <br />5552.2 <br />5555.2 <br />5559.0 <br />5562.9 <br />5566.2 <br />5570.3 <br />5574.2 <br /> <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br /> <br />5532.0 <br />5534.0 <br />5536.0 <br />5535.8 <br />5535.8 <br />5535.7 <br />5537.9 <br />5539.0 <br />5539.5 <br />5540.9 <br />5542.7 <br />5542.6 <br />5547.0 <br />5548.0 <br />5549.9 <br />5552.2 <br />5560.9 <br />5562.9 <br />5567.4 <br />5570.4 <br /> <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br /> <br />5532.0 <br />5532.5 <br />5532.9 <br />5532.7 <br />5532.6 <br />5533.3 <br />5534.7 <br />5536.2 <br />5536.7 <br />5537.8 <br />5540.0 <br />5540.0 <br />5543.6 <br />5545.2 <br />5547.2 <br />5550.5 <br />5559.6 <br />5561.9 <br />5565.8 <br />5568.8 <br /> <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br /> <br />60 <br />70 <br />125 <br />110 <br />100 <br />85 <br />100 <br />100 <br />130 <br />55 <br />80 <br />80 <br />60 <br />50 <br />50 <br />70 <br />145 <br />100 <br />130 <br />300 <br /> <br />13.2 <br />5.2 <br />4.4 <br />6.2 <br />6.2 <br />9.3 <br />10.4 <br />5.7 <br />5.2 <br />13.0 <br />9.2 <br />9.5 <br />9.3 <br />9.6 <br />14.6 <br />10.1 <br />9.0 <br />9.7 <br />11.0 <br />10.1 <br /> <br />5532.5 <br />5535.5 <br />5539.0 <br />5538.8 <br />5538.9 <br />5538.7 <br />5538.7 <br />5540.0 <br />5540.6 <br />5542.0 <br />5543.9 <br />5544.1 <br />5549.1 <br />5550.1 <br />5551.3 <br />5554.0 <br />5561.4 <br />5564.3 <br />5568.1 <br />5572.4 <br /> <br />5524.2 <br />5524.5 <br />5525.8 <br />5526.0 <br />5526.3 <br />5526.7 <br />5526.9 <br />5528.3 <br />5527.4 <br />5530.0 <br />5532.5 <br />5533.2 <br />5538.7 <br />5540.8 <br />5542.3 <br />5547.0 <br />5557.0 <br />5558.9 <br />5563.0 <br />5564.3 <br /> <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br /> <br />163.55 <br />163.95 <br />164.55 <br />164.90 <br />165.40 <br />166.20 <br />166.80 <br />167.70 <br />167.80 <br />170.70 <br />172. 00 <br />172.30 <br />176.15 <br />178.15 <br />178_65 <br />180.38 <br />182.30 <br />185.15 <br />187.95 <br />191.20 <br /> <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br />L-1 <br /> <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />12 <br />11 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />1.8 <br />2.1 <br />3.1 <br />6.9 <br />7.8 <br />12.3 <br />8_9 <br />12.9 <br />8_8 <br />9.6 <br />9.0 <br />10.5 <br />9.6 <br />11.1 <br />12.0 <br />9_5 <br />11.6 <br />8.2 <br />9.8 <br />7.6 <br />12_3 <br />12.1 <br />5.2 <br />5.3 <br />5.2 <br />9.4 <br /> <br />5583. 1 <br />5583.1 <br />5583.0 <br />5582.7 <br />5583.0 <br />5589_6 <br />5593.4 <br />5597.2 <br />5599 .1 <br />5599.5 <br />5599.5 <br />5601.9 <br />5603.4 <br />5604.3 <br />5607.6 <br />5608.9 <br />5611.2 <br />5613.7 <br />5614.6 <br />5615.7 <br />5618.1 <br />5621.3 <br />5625.8 <br />5626.4 <br />5626.5 <br />5630.0 <br /> <br />215 <br />195 <br />150 <br />60 <br />55 <br />60 <br />90 <br />60 <br />60 <br />75 <br />90 <br />100 <br />105 <br />105 <br />70 <br />75 <br />70 <br />90 <br />110 <br />110 <br />65 <br />60 <br />70 <br />70 <br />115 <br />175 <br /> <br />100 <br />95 <br />50 <br />20 <br />30 <br />30 <br />35 <br />35 <br />35 <br />55 <br />40 <br />40 <br />45 <br />55 <br />30 <br />35 <br />30 <br />65 <br />70 <br />70 <br />5 <br />40 <br />30 <br />25 <br />40 <br />100 <br /> <br />115 <br />100 <br />100 <br />40 <br />25 <br />30 <br />55 <br />25 <br />25 <br />20 <br />50 <br />60 <br />60 <br />50 <br />40 <br />40 <br />40 <br />25 <br />40 <br />40 <br />60 <br />20 <br />40 <br />45 <br />75 <br />75 <br /> <br />2.0 <br />2.1 <br />3.5 <br />7.1 <br />8.5 <br />12.3 <br />10.1 <br />12.9 <br />8.8 <br />9.6 <br />10.6 <br />12.0 <br />11.4 <br />9.6 <br />12.1 <br />9.4 <br />11.6 <br />8.2 <br />10.0 <br />7.0 <br />13.4 <br />10.3 <br />5.3 <br />5.8 <br />5.2 <br />9.4 <br /> <br />5583.5 <br />5583.6 <br />5583.5 <br />5583.2 <br />5583.4 <br />5589.6 <br />5593.4 <br />5597.2 <br />5599.1 <br />5599.5 <br />5599.5 <br />5601.9 <br />5603.4 <br />5604.9 <br />5607.6 <br />5608.9 <br />5611.2 <br />5613.7 <br />5614.7 <br />5616.2 <br />5618.1 <br />5621.3 <br />5626.3 <br />5626.9 <br />5626.5 <br />5630. 0 <br /> <br />150 <br />140 <br />95 <br />60 <br />50 <br />60 <br />75 <br />60 <br />60 <br />75 <br />90 <br />70 <br />75 <br />85 <br />70 <br />75 <br />70 <br />90 <br />100 <br />100 <br />50 <br />60 <br />70 <br />70 <br />115 <br />175 <br /> <br />90 <br />90 <br />35 <br />20 <br />25 <br />30 <br />35 <br />35 <br />35 <br />55 <br />40 <br />30 <br />35 <br />55 <br />30 <br />35 <br />30 <br />65 <br />70 <br />70 <br />-10 <br />40 <br />30 <br />25 <br />40 <br />100 <br /> <br />60 <br />50 <br />60 <br />40 <br />25 <br />30 <br />40 <br />25 <br />25 <br />20 <br />50 <br />40 <br />40 <br />30 <br />40 <br />40 <br />40 <br />25 <br />30 <br />30 <br />60 <br />20 <br />40 <br />45 <br />75 <br />75 <br /> <br />5583.8 <br />5583.9 <br />5583.7 <br />5582.9 <br />5584.0 <br />5592.6 <br />5596_3 <br />5600.5 <br />5602.7 <br />5602.6 <br />5602.5 <br />5603.9 <br />5604.8 <br />5605.8 <br />5609.5 <br />5610.8 <br />5614.0 <br />5618.1 <br />5617.2 <br />5617.9 <br />5620.4 <br />5625.2 <br />5629.4 <br />5629.9 <br />5629.9 <br />5631.6 <br /> <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br />7800 <br /> <br />5582.1 <br />5582.1 <br />5582.1 <br />5581.9 <br />5582.1 <br />5588.6 <br />5592.2 <br />5596.0 <br />5597.6 <br />5598.1 <br />5598.0 <br />5601.0 <br />5602.9 <br />5603.8 <br />5606.4 <br />5608.0 <br />5610.4 <br />5612.5 <br />5613.5 <br />5614.9 <br />5617.3 <br />5618.7 <br />5624.6 <br />5625.0 <br />5625.0 <br />5629.5 <br /> <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3050 <br />3010 <br />3010 <br />3010 <br />3010 <br />3010 <br />3010 <br />3010 <br />2980 <br />2980 <br />2980 <br />2980 <br />2980 <br />2980 <br />2980 <br />2980 <br />2980 <br />2980 <br />2980 <br /> <br />5581.0 <br />5581.1 <br />5581.0 <br />5581.0 <br />5581.1 <br />5586.7 <br />5590.6 <br />5593.5 <br />5595.1 <br />5595.2 <br />5596.7 <br />5599.1 <br />5600.6 <br />5601.8 <br />5605.1 <br />5605.7 <br />5608.5 <br />5610.3 <br />5611.1 <br />5612.4 <br />5615.3 <br />5617.4 <br />5622.8 <br />5623.0 <br />5623.0 <br />5628.6 <br /> <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1550 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br />1520 <br /> <br />420 <br />420 <br />350 <br />90 <br />60 <br />60 <br />140 <br />80 <br />200 <br />230 <br />210 <br />180 <br />250 <br />260 <br />270 <br />280 <br />280 <br />250 <br />190 <br />180 <br />100 <br />170 <br />230 <br />250 <br />220 <br />180 <br /> <br />4.0 <br />1.8 <br />4.3 <br />7.4 <br />9.0 <br />12.9 <br />8.1 <br />13.0 <br />7.5 <br />8.1 <br />5.5 <br />9.8 <br />10.3 <br />8.8 <br />9.1 <br />9.8 <br />13.5 <br />5.3 <br />11.8 <br />8.4 <br />12.2 <br />9.7 <br />9.8 <br />4.9 <br />5.2 <br />9.2 <br /> <br />5582.6 <br />5582.6 <br />5582.5 <br />5582.3 <br />5582.6 <br />5589.6 <br />5593.1 <br />5597. 1 <br />5599.1 <br />5599.5 <br />5599.4 <br />5601.9 <br />5603.4 <br />5604.3 <br />5607.6 <br />5608.9 <br />5611.2 <br />5613.7 <br />5614.6 <br />5615.5 <br />5618.1 <br />5621.3 <br />5625.7 <br />5626.2 <br />5626.2 <br />5630.0 <br /> <br />5562.2 <br />5563.6 <br />5566.1 <br />5567.9 <br />5570.1 <br />5578.7 <br />5585.2 <br />5587.2 <br />5588.0 <br />5588.5 <br />5591.0 <br />5592.6 <br />5593.2 <br />5594.9 <br />5600.0 <br />5600.9 <br />5601.9 <br />5603.5 <br />5604. 1 <br />5604.7 <br />5608.4 <br />5609.8 <br />5610.0 <br />5611.0 <br />5614.4 <br />5626.0 <br /> <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />4020 <br />3980 <br />3980 <br />3980 <br />3980 <br />3950 <br />3950 <br />3950 <br />3930 <br />3930 <br />3930 <br />3930 <br />3930 <br />3930 <br />3900 <br />3900 <br />3900 <br />3900 <br />3900 <br /> <br />191.75 <br />191.95 <br />193.20 <br />194.85 <br />197.10 <br />202.05 <br />205. 15 <br />206.45 <br />206. 75 <br />207.08 <br />208.35 <br />209.45 <br />209.80 <br />210.55 <br />213.50 <br />213.82 <br />214.40 <br />215.75 <br />216.60 <br />216.90 <br />219.10 <br />220.85 <br />221.20 <br />221.32 <br />222.40 <br />223.20 <br /> <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br />L-2 <br /> <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />11 <br />10 <br />10 <br />10 <br />10 <br />10 <br />10 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />L-3 <br />L-3 <br /> <br />10 <br />10 <br /> <br />7 <br />9 <br /> <br />2. <br />11. <br /> <br />5631.4 <br />5633.8 <br /> <br />190 <br />* <br /> <br />95 <br /> <br />95 <br /> <br />2.7 <br />11.9 <br /> <br />5631.4 <br />5633.8 <br /> <br />190 <br />* <br /> <br />95 <br /> <br />95 <br /> <br />5633.5 <br />5643.4 <br /> <br />7800 <br />7800 <br /> <br />19 <br /> <br />5630.8 <br />5632.9 <br /> <br />2980 <br />2980 <br /> <br />MOOEL <br /> <br />5629.5 <br />5631.2 <br /> <br />IN HYDRAULIC <br /> <br />1520 <br />1520 <br /> <br />* = FLOODWAY WIDTH = FLOODPLAIN WIDTH <br />- = CROSS-SECTION ADDED TO DEFINE ISLAND IN 100-YEAR FLOODPLAIN; NOT INCLUDED <br />NOTE: LEFT AND RIGHT FLOODWAY WIDTHS ARE MEASURED FROM THE REFERENCE LINE <br /> <br />200 <br />80 <br /> <br />2.6 <br />11.9 <br /> <br />5631.4 <br />5633.8 <br /> <br />5622.0 <br />5624.2 <br /> <br />3900 <br />3900 <br /> <br />223.70 <br />227.35 <br /> <br />I <br /> <br />I <br /> <br />I <br />