Use Target Hazard Analysis

The Target Hazard Analysis solution delivers a set of capabilities to calculate a hazard score for each building or property and understand where a fire may negatively impact a community.

In this topic, you’ll learn how to use the solution by assuming the role of a user and performing the workflows below.

Getting to know Target Hazard Analysis

Target Hazard Analysis includes a set of tasks to help you get familiar with the project, prepare your data and analyze target hazards. Some of the tasks include steps that use python scripts included in the Target Hazard Analysis toolbox. As you step through each task in the workflow, the scripts will be executed to conduct the analysis.

Target Hazard Analysis is conducted on your building polygons to identify those buildings that could result in a loss of life, or have a negative impact on the community, if a fire were to occur. The building polygons must have certain attributes to conduct the analysis and determine the level of risk for each building. The Getting to Know Target Hazard Analysis task group includes an explanation of the data requirements, target hazard methodology and a review of the data provided in the project

To learn more about the data required and methodology used in Target Hazard Analysis, follow these steps:

1. Sign in to your ArcGIS organization and browse to the Target Hazard Analysis Desktop Application Template.
2. Open the item page and click Download.
3. Unzip and open the Target Hazard Analysis ArcGIS Pro project.
4. On the View tab, in the Windows group, click Catalog, and click Catalog Pane.
5. In the Catalog pane, expand the Tasks folder, and double-click the Target Hazard Analysis task item.
6. In the Task Pane, click the Getting to know Target Hazard Analysis task group to expand the collection of tasks.
7. Open each task and follow the step provided.

Prepare your data for analysis

This task workflow allows you to prepare the target hazard layer using your building data before conducting the analysis. It allows you to set the target hazard analysis geodatabase provided in the project to your spatial coordinate system and load your building data into the target hazard layer. This layer has all the pre-defined fields that are necessary for conducting target hazard analysis. Your building layer may contain small buildings such as garages or sheds that you do not want to include in the analysis. An optional task is provided to allow you to remove the small buildings from the target hazard layer. Similarly, you may not want to include single-family homes in the target hazard analysis. Removing those buildings would allow you to focus on the high-occupancy buildings to determine risk areas in your community and greatly reduce the size of the target hazard layer. An optional task is provided to remove the single-family homes from the target hazard layer.

You will assume the role of a fire data analyst responsible for preparing your target hazard layer for analysis. The Target Hazard Analysis ArcGIS Pro project includes a series of tasks to help guide you through this workflow.

1. Open the Target Hazard Analysis ArcGIS Pro project.
2. On the View tab, in the Windows group, click Catalog, and click Catalog Pane.
3. In the Catalog pane, expand the Tasks folder, and double-click the Target Hazard Analysis task item.
4. In the Task Pane, click the Prepare data for analysis task group to expand the collection of tasks.
5. Click on each task and follow the steps provided.

Analyze target hazard data

When the data preparation on the target hazard layer is completed, the analysis can begin. This task group contains tasks with a series of steps to conduct the analysis using the building data that was loaded into the target hazard layer. These steps will allow you to assign the hazard criteria from the occupancy type and life safety type categories, calculate the hazard scores for each building, review the results and symbolize them by the total hazard score.

A task is provided to share the results of the analysis as a web layer to your organization so non-GIS users can view the risks. In addition, a step is provided to export the results to a file geodatabase which can be incorporated into other information products such as Pre-Incident Planning or conduct further analysis such as Critical Task Analysis and Community Risk Assessment.

You will assume the role of a fire data analyst responsible for conducting a target hazard analysis on all buildings in your community. The Target Hazard Analysis ArcGIS Pro project includes a series of tasks to help guide you through this workflow.

1. Open the Target Hazard Analysis ArcGIS Pro project.
2. On the View tab, in the Windows group, click Catalog, and click Catalog Pane.
3. In the Catalog pane, expand the Tasks folder, and double-click the Target Hazard Analysis task item.
4. In the Task Pane, click the Analyze target hazard data task group to expand the collection of tasks.
5. Click on each task and follow the steps provided.