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Self Weight class is being created automatically at the start of project.
Load properties based on loading schedule are added from Loads section as shown below. Add 4 loadings. SDL is 20 psf LL is 40 psf for residential areas, SDL is 35 psf LL is 60 psf for terrace, LL is 100 psf for public escape areas but will be loaded as sum of 40 psf LL + 60 psf LL.
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Go to Loads section → Click “add”
Select load class and type
Enter value of load and name as it's value and class