Resources
How the checks actually work.
Working notes on the code provisions CoLateral automates: how each calculation is put together, what governs it, and where the shortcut stops.
Steel design
Web crippling and when you need a bearing stiffener
CSA S16-19 Cl. 14.3.2 web yielding and crippling at reactions and point loads, the N+10t dispersion, and the Cl. 14.4 stiffener screen.
Lateral designStorey drift limits in NBC 2020, and what they protect
The 1, 2 and 2.5 percent interstorey drift limits in NBC 2020 4.1.8.13, the RdRo/IE amplification, and why wind drift is a different question.
Snow loadsSnow drift on a lower roof at a step, NBC 2020
How NBC 2020 4.1.6.5 builds the drift surcharge on a lower roof: source area, density, peak Ca(0), drift length, and the two wind cases.
Written by the people building the tools
Each article covers a provision CoLateral implements, including the parts the tool deliberately does not do. If a note here disagrees with the code, the code wins.