---
title: Designing Sediment Basin
description: "# **Sediment Basin** Click Add in Project View to create a new MSMA project. Choose Sed Basin, select MSMA 2^nd Edition and create the name of the project. Then, click Create. ![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-145634.png?resize=862%2C117&ssl=1) Select the type of the Sediment Basin by…"
url: "https://mes100.com/docs/designing-sediment-basin/"
updated: "2025-04-30"
category: MSMA / MSMA 2nd Edition
---

# Designing Sediment Basin

# **Sediment Basin**

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

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-145634.png?resize=862%2C117&ssl=1)

Select the type of the Sediment Basin by clicking the drop down list.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-154242.png?resize=200%2C272&ssl=1)

## **Basin Requirement**

Calculate basin requirement by inputting data in **Basin Requirement** tab.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-155343.png?resize=1080%2C893&ssl=1)

1. Input the catchment area.

1. Input the overland sheet flow path length, slope, and manning coefficient to obtain the overland flow time of concentration.

1. Click the “ **Calculate**” button to obtain the required area and volume.

## **Basin Sizing**

Calculate overall dimension of setting and sediment storage zone by inputting data in **Basin Sizing**tab.

 ![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-154949.png?resize=1080%2C842&ssl=1)

1. Settling Zone

a. Input settling depth, y~1 (parameter: min. 0.6m)

b. Input average width, w~1

c. Input average length, L~1 by referring to the range proposed.

d. Click “ **Calculate**” to obtain average surface area, L ~1/y~1 ratio and L~1/w~1 ratio.

1. Sediment Storage Zone

a. Select side slope (H):(V)

b. Input sediment storage depth, y~2 based on the suggested minimum depth.

c. Click “ **Calculate**” to obtain the overall dimension of settling and sediment storage zone.

## **Outlet Design**

Design the outlet by inputting data in the Outlet**Design** tab.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-154556.png?resize=1080%2C869&ssl=1)

1. Outlet Pipe

a. Input outlet riser diameter.

b. Input diameter of each orifice.

c. Input number of orifice based on the suggested orifice required.

d. Obtain outlet riser discharge capacity, Q~riser.

## **Result**

Click the “ **Analyse”** button to generate the result.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Analyse.png?resize=457%2C161&ssl=1)

Click **Textual Report**, **Summary Report,** and **Detailing** tab to show the outcomes respectively.

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-155125.png?resize=1080%2C658&ssl=1)

![](https://i0.wp.com/mes100.com/wp-content/uploads/2022/09/Screenshot-2025-04-30-155234.png?resize=1080%2C615&ssl=1)

 

### *Related*

 [![](https://i0.wp.com/mes100.com/wp-content/uploads/2024/10/me-small.jpg?resize=100%2C100&ssl=1)](https://mes100.com/author/admin/)[Ngu Soon Hui](https://mes100.com/author/admin/)

I’m the [Benevolent Dictator for Life](https://en.wikipedia.org/wiki/Benevolent_dictator_for_life) for MiTS Software cum Editor of this website. Read more [here](/about-ngu-soon-hui/).

You can also contact me at soonhui@mes100.com