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Project Info:
PV Module Data:
*If you cannot find your module on this list, please select "Custom" from the Module brand drop down menu, and manually enter the module specifications on the right side of your screen
Environmental Requirements:
*Many states and jurisdictions have begun adoption of the 2012 IBC. Compared with the 2006 and 2009 IBC, the 2012 IBC uses a totally different set of wind charts and values. Make sure you are using the correct version of the code, and the correct wind charts/values, to meet your local jurisdictional requirements.
System Style:
*Modules without an underside lip must use the Adjustable end clamp
Edge Screen Trim:
Verify Module Dimensions and Frame Color
Length - inches
Width - inches
Depth - inches
Weight - pounds
Frame Color -
Roof Mount Calculator-Tilt Up:
degrees *Use (-) for N facing roofs, 0 for E or W facing roofs
Construction Image
Construction Detail Image
Configure each sub-array layout using the Sub-Array tabs. Modules may only be in one orientation per sub-array. For example, if a sub-array of portrait modules has the top row in a landscape configuration, move the landscape modules to a new sub-array.
Module rails run left to right on screen.
Define the Edge / Corner zones of the array. Edge Zones and Corner Zones are high wind load zones near the edges of the roof and have a width defined by the building dimensions. Rails with attachments that lie within edge zones require additional attachments in order to obtain a shorter rail span. The edge zones and/or corner zones of the roof area shall be determined based on the building's least horizontal dimension (LDH). The edge zone distance, a, is equal to 10% of the LDH (a = .1 * LDH). Rail spans in the corner zone shall be a maximum of 24 inches and this restriction will only apply to the roof attachments located within the end and edge zones (does not apply to modules or rails that overhang into the zone). Furthermore, all rail spans requiring an edge zone reduction (shaded cells from span tables in engineering packet) shall be reduced by 24 inches to a minimum of 32 inches.

Click module to change color
 - Regular Module
 - Edge Zone Module
 - No Module

inches Recommended maximum attachment spacing: -

Project Name

BOM #: -
Create Date: -

PV Module Data:

Series -
Module brand -
Model -
Length -
Width -
Depth -
Weight -
Frame color -
Module clamp color -
Rated power @ STC -

Environmental Requirements:

Standard -
Snow Load -
Wind Speed -
Topographic Condition -
Rafter Spacing -
Roof Attachment -

System Style:

Rail Finish -
End Clamp Type -
Grounding Method -
Microinverter/Optimizer Attachment Kits -
Edge Screen Trim? -
Edge Screen Trim Size -
Tilt Up? -

Roof Mount Calculator-Tilt Up:

Module Orientation -
Module Overhang Front -
Module Overhang Back -
Existing N-S Roof Slope -
Finished Tilt -
Front Post Height -
Reduce Front Post Height -
Actual Standoff Spacing -
Add 0-15 degree Tilt-up standoff components to BOM -
Total # of Rear Legs -
Rear Leg Length -
Total Rails 122 -
Total Rails 162 -


Sub-Array Sub-Array Modules 122" Rail 162" Rail Rail Splices Mid Clamps End Clamps Edge Screen Roof Attachments Maximum Rail Span
- - - - - - - - - -
- - - - - - - - -

Proposed Bill of Materials

Part Number Description Qty
System Total Weight: