# Custom Barrier

This section defines custom barriers using user-defined sections for the left side of the deck.

{% hint style="info" %}
**Navigation:** Superstructure Attachments > Custom Barrier

For detailed parameter explanations, see the [Custom Barrier Reference](https://docs.openbrim.org/templates/precast-i-girder-bridge-workflow/superstructure-attachments-pig/barrier-pig).
{% endhint %}

## Steps

### Step 1: Navigate to Custom Barrier

Navigate to **Superstructure Attachments > Custom Barrier** in the tree view.

![Navigation](https://openbrim.atlassian.net/wiki/download/attachments/2235826238/image-20230714-120609.png?api=v2)

### Step 2: Select Deck

Click the **three-dots icon** on the **Deck** cell and select **Span1**.

### Step 3: Assign Section

Select the **Exist\_Barrier\_sw** section that was defined in the Properties section.

![Section Assignment](https://openbrim.atlassian.net/wiki/download/attachments/2235826238/image-20230714-121151.png?api=v2)

### Step 4: Set Transverse Location

Enter **Start Transverse Location** and **End Transverse Location** as **-160.43** (for left side placement).

![Transverse Location](https://openbrim.atlassian.net/wiki/download/attachments/2235826238/image-20230714-121750.png?api=v2)

### Step 5: Name the Barrier

Enter the name as **CustBar1**.

### Step 6: Create Barriers for All Spans

Repeat the previous steps to create custom barriers for Span2 and Span3.

![All Custom Barriers](https://openbrim.atlassian.net/wiki/download/attachments/2235826238/image-20230714-122309.png?api=v2)

<details>

<summary><strong>Quick Tip:</strong> Transverse Offset Direction</summary>

Offset values use the Profile Grade Line (PGL) as the reference point.

![Offset Reference](https://openbrim.atlassian.net/wiki/download/attachments/2104689432/image-20230216-130246.png?api=v2)

</details>

## Verification

{% hint style="success" %}
After completing these steps, your custom barrier configuration should match the views shown below.
{% endhint %}

![Completed Custom Barrier View 1](https://openbrim.atlassian.net/wiki/download/attachments/2235826238/image-20230714-122813.png?api=v2)

![Completed Custom Barrier View 2](https://openbrim.atlassian.net/wiki/download/attachments/2235826238/image-20230714-122837.png?api=v2)