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Via a Preferences setting, you can change the operation of Sizer such that it generates a table of allowable spans for the input material and loading.
For joists, the program generates rows in the table giving the allowable span lengths for 12", 16", 19.2" and 24" joist spacing. For beams, only one allowable span length is listed.
Rows in the table are generated for any material choice left unknown. For example, if material grade is left unknown, rows are generated for each grade in the database for the material species. Similarly rows are generated for each joist or beam depth if depth is left as unknown.
Via notes under the table, the program also gives the required bearing lengths for each span listed in the table.
If more than one span is input, the program outputs a table of the largest allowable span for the largest of the input spans, maintaining the ratio between that span and the other spans. For example, if 10' and 2' spans are input, and the largest allowable span is 15', then the second span used for the analysis is 3' .
This is most useful for standard configurations like 2 equal spans, 3 equal spans, etc.
Important: This feature was developed in order to create span tables for a particular project and has not undergone as rigorous testing as other Sizer features. It is considered a "beta" test feature.