Modifying IDF Coefficient in MiTS 2 and MiTS 3

In MiTS, you can edit the IDF coefficient to be used in your drainage design. However, there is a bit of a difference between MiTS 2 and MiTS 3’s IDF coefficient adjustment for the Drainage module due to the different interfaces.

MiTS 2 #

1. Click on the Drain button

2. Go to the Properties tab in the RHS panel

3. Click the ‘…‘ button at the end of the Location row to open the Location window

4. Choose the location of your project, design ARI and CCF factor

5. Adjust the IDF coefficient in the Fitting Constant row

MiTS 3 #

In MiTS 3, you can adjust your project’s IDF coefficient in both the RHS panel and Project Settings.

RHS Panel #

1. Click on the Drain button

2. Go to the Properties tab in the RHS panel

3. Choose the location of your project

4. Click the ‘…‘ button at the end of the IDF Coefficient row to open the IDF Coefficient dialogue box

5. Edit the coefficient of the IDF according to your preferences

Project Settings #

1. Go to Options > Project Settings

2. In the Parameters dialogue box, go to Storm Design > Design Guideline > Malaysia

3. Choose the location of your project by clicking the ‘…‘ button at the end of the Location row

4. Click the ‘…‘ button at the end of the IDF Coefficient row to open the IDF Coefficient dialogue box

5. Adjust the IDF coefficient according to your project’s data