PR

Pitched Roof Design Assistant


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Snow Load

Design Ground Snow Load for your project location as determined by the selected ASCE code. These values can be confirmed by consulting your local building authority.
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Wind Speed

Design Wind Speed for your project location as determined by the selected ASCE code. These values can be confirmed by consulting your local building authority.
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Wind Exposure

Exposure B

Urban and suburban areas, wooded areas, or other terrain with numerous closely spaced obstructions having the size of single family dwellings or larger.

Exposure C

Open terrain with scattered obstructions having heights generally less than 30 feet. This category includes flat open country and grasslands.

Exposure D

Flat, unobstructed areas and water surfaces. This category includes smooth mud flats, salt flats, and unbroken ice.

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Span Limit

The maximum distance between the FX roof attachments.

FX Max Values

Max allowable spacing between attachment points, based on engineered span charts.

Specified Limits

A manually entered limit on spans. If the FX maximum is greater than the manual limit, the manual limit will be used instead. If the FX maximum is smaller than the entered limit, the FX maximum will be used.

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End Clamps

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Span

The distance between roof attachments. This number should be less than or equal to the maximum span value listed for your selected XR Rail within the "Rails" section.

Typical residential installations have attachment spacing between 4' and 8', whereas commercial installations have spacing as high as 12'. Consult with a structural engineer or your local building authority to confirm the allowable attachment spacing for your array.

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Max Cantilever

Max Cantilever is calculated as 0.40 x maximum span from engineered span charts.

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Roof Zones

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ASCE Code

Design Assistant allows you to use the old ASCE 7-10 code standard or the new ASCE 7-16 code standard.

If you do not know which code standard is being used in your region, please contact your local building department.

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Spectral Acceleration (SDS)

Spectral response acceleration parameter at short periods.

SDS is based off of soil type D.

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Panel Not UL Listed

The panel you have picked is not UL listed. But, you can still configure a system with it.

IronRidge UL Compatibility Pending

This means the panel you've selected is not currently UL listed, but it is in the process of being listed.

Not IronRidge UL Compatible

This means the panel you've selected is not UL listed.

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Your Presets

If you normally use a specific panel for your projects or you almost always work with ASCE 7.16, you can create a preset with these values along with other project parameters. Then when you create a new project, you can choose to create it with this preset and the preset values will be prepopulated in your new project allowing you to configure a project and generate a bill of materials more quickly.
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Project Notes

Users are now able to add project notes for each of their unique projects. These project note sections can be found at the bottom of both the Configure page and Bill of materials page.

You'll also notice a "notes" icon for projects that have notes in the "My Projects" page. These icons will be highlighted in yellow for notes written within the last day.

Projects with notes on the "My Projects" page
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Custom Panels

Users can now add custom modules not listed in Design Assistant for use on their projects. This will allow for quick BOM building with accurate module dimensions. If you'd like to have the module listed in Design Assistant, please reach out to our technical support team. There are two ways to add custom modules:

1) Head to the "My Projects" page and tab over to "My Custom Panels". Once you're on this tab you can click on the "+ New panel" button or the "add one here ->" link to create a custom panel.

Adding a custom panel from the "My Projects" page

2) You can also add a custom panel when picking a panel for your project. If the module you're looking to use isn't listed, click the "Add a Custom Panel here ->" link to add a custom module.

Adding a custom panel when picking a panel for your project
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User Presets

Presets allow users to configure a project and generate a bill of materials more quickly by pre-populating user specified preset values for certain project parameters. You can add these presets in two ways.

1) Head to your "My Projects" page and tab over to "My Presets". Once you're on this tab you can click on the "New preset" button or click on any of the system types linked in blue.

Creating a preset from the "My Projects" page

2) After you've typed in the address for your Design Assistant project you'll see a new field for your presets. You can click on the "Create here ->" link to create a new preset.

Creating a preset during project creation