Rain load to ASCE 7-22 Ch. 8
Rain load with ponding: static, hydraulic and ponding heads, drains and scuppers, amplified ponding from the roof framing and low-slope bays.
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What you get
From the inputs to a finished rain load calculation
Every step shown
Each result with its equation, the values that go into it and, where there is one, the code section. Results update as you type.
A calculation report a reviewer can follow
Inputs and every step with its result and reference, in a clear PDF with your title block.
Drawings
Where the calculation has a shape to draw: elevations, sections and the diagrams, on a sheet with your title block, as PDF or DXF.
Your units, your method
US or metric units at any time, LRFD or ASD where the code offers both; the report follows.
Verification
How the rain load is tested
Against published examples and hand calculations from the code equations, on every change. The method and the sources.
Learn
Step by step
User manual: Rain load
Every input, check and option of the calculation explained.
Video: Loads: a takeoff and a load combination table
Loads tools have no pass or fail: a floor beam takeoff with live load reduction, and every combination of your load effects. (1:47)
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