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EROSION AND SEDIMENT CONTROL PLAN (ESCP)

ESCP #

Click Add in Project View to create a new MSMA project. Choose ESCP, select MSMA 2nd Edition and create the name of the project. Then, click Create.

Manual of Culvert is linked to our blog. Click this link (ESCP manual) for reference. 

Rainfall Data #

Insert all the input below;

  1. Erosivity Factor, R. Use can refer to the Rainfall Map for the R value.

2. Insert the Rainfall Depth. Can refer to “IDF” on how to produce the rainfall depth value.

3. Insert the Storm Duration

Define Site Data #

  1. Define the Phase Condition

2. Determine the Zone Info

Full Site Data #

  1. Choose the Zone that wants to be analyzed
  2. Choose the phase condition.
  3. Tick at the Include In Design if user wants to consider the sediment control in the design.
  1. Determine the soil composition by clicking the button
  2. Select the soil type by clicking click the button. Then press OK.
  1. Determine the K value or use the default value by clicking the ‘Default’ button
  2. Calculate LS factors by inserting the length and steepness of the area
  3. Determine the C factor by clicking the button, then choosing the type of land use. Next, click OK
  1. Determine the P factor by clicking the button, then choose the surface condition. Next, click OK
  1. Determine the runoff coefficient by clicking the button and then choose the C value.
  2. Determine the Tc value.

Sediment Trapping #

  1. Choose the Phase Condition
  2. Tick at the Include In Design if user wants to consider the sediment control in the design.
  1. Determine trapping efficiency
  2. Determine bulk density
  3. Determine the provided sediment zone capacity
  4. Determine the assumed ARI for design rainfall depth 
  5. Click Analyze

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