Differences

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--- lined_waterway_or_outlet [2022/05/13 10:33] – admin
+++ lined_waterway_or_outlet [2022/05/13 10:37] (current) – [Method to Determine Practice Efficiency] admin
@@ Line 15: / Line 15: @@
 The riprap should be well graded, with the diameter of the largest stone not exceeding 1.5 times the D<sub>50</sub> size. The depth of the stone should be at least twice the D<sub>50</sub> size and may not reduce the designed cross section of the channel.
-**Maximum Velocities for Various D<sub>50</sub> Sizes and Shapes**
+**Table 1: Maximum Velocities for Various D<sub>50</sub> Sizes and Shapes**
 ^Maximum Velocity (ft/sec)^  D<sub>50</sub> Cubical (in)  ^  D<sub>50</sub> Spherical (in)^
 |10.8|  12  |  14|
@@ Line 24: / Line 24: @@
 |5.0|  2  |  4|
-----
+\\
-**Slope Adjustment Factors for Allowable Velocity**
+**Table 2: Slope Adjustment Factors for Allowable Velocity**
 ^Slope (H:V)  ^  Slope (ft/ft)  ^  Adjustment Factor^
 |3:1|  .33  |  0.80|
@@ Line 43: / Line 43: @@
   *In applications where damage is possible to the outlet structure, the stone should be hand placed
-**Manning's "n" Values for Various Rock Sizes**
+**Table 3: Manning's "n" Values for Various Rock Sizes**
-^Diameter (in)  ^  ="n" Value^
+^Diameter (in)^"n" Value^
-|2  |  0.030|
+|2|0.030|
-|4  |  0.033|
+|4|0.033|
-|6  |  0.036|
+|6|0.036|
-|8  |  0.037|
+|8|0.037|
-|10  |  0.039|
+|10|0.039|
-|12  |  0.040|
+|12|0.040|
 =====Maintenance=====
@@ Line 60: / Line 60: @@
 ==References==
-  *[[https://efotg.sc.egov.usda.gov/references/public/WI/468_WI_CPS-(2017-07).pdf|NRCS Conservation Practice Standard 468 - Lined Waterway or Outlet]]
+  *[[https://efotg.sc.egov.usda.gov/api/CPSFile/31113/468_WI_CPS_Lined_Waterway_or_Outlet_2021|NRCS Conservation Practice Standard 468 - Lined Waterway or Outlet]]