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r 81• ~ ~ 8)>• ~ 81• 8)>• ~ 8>• 8>• ~ ~ 87• ~ ~^ 81• ~ r.l^ <br /> <br />-- ~- <br />PLAN <br />Downstream Channel <br />End slope at 1 1 <br />1.5ayp <br />2a50 <br />L/2 <br />L/2 <br />PROFILE <br />NOTE : 14702 <br />REFER DIMENSIONS DATE <br />TO TABLE D.9-2. FIGURE 2/89 <br />ADAPTED FROM THE URBAN gEV1810N. <br />STORM DRAINAGE MANUAL 0 <br />l WRIGHT-MCLAU(iHLIN, 19801 <br />Extend riprap to height of culvert or <br />normal channel depth, whichever is smaller <br />Riprap thickness on channel side slopes equal b 1.5eS0 <br />N~ <br />~~ a SO <br />G~4''raDDnular Bedding <br />8TEFIFEN ROOlI~T>•ON i KIRBTEN <br />Coneuklnp Enplnsers <br />FIGURE D.8-3 <br />TYPICAL <br />CONDUIT OUTLET <br />ER0810N <br />PROTECTION <br />