https://community.graphisoft.com/t5/Project-data-BIM/Quantity-takeoffs-and-calculation-rules/m-p/597956#M10301 <P>Where I work we have specific rules for certain quantity takeoffs. For example, when measuring masonry, any opening in the wall&nbsp;≤2.5m2 is measured as its actual size, but openings &gt;2.5m2 are counted as 2.5m2 each. So a window that is 1x2m would be 2m2 but a window of 2x2m would be 2.5m2, as would a window of 3x2m.</P><P>&nbsp;</P><P>I would like to be able to measure the area of masonry, net of openings calculated following this rule.</P><P>&nbsp;</P><P>Is there any way to calculate this in a component schedule? The calculation rules for components just ignore openings below the specified size and although I can use properties to calculate opening sizes in this way and then subtract them from the total masonry area, I would prefer to be able to do it all in an interactive schedule.</P><P>&nbsp;</P><P>Has anyone come across this before?</P><P>&nbsp;</P><P><FONT face="courier new,courier" color="grey">Operating system used: <EM>Mac Intel-based 13.6 Ventura</EM></FONT></P> Fri, 05 Apr 2024 12:27:29 GMT Rico Suleyman 2024-04-05T12:27:29Z https://community.graphisoft.com/t5/Project-data-BIM/Quantity-takeoffs-and-calculation-rules/m-p/597956#M10301 <P>Where I work we have specific rules for certain quantity takeoffs. For example, when measuring masonry, any opening in the wall&nbsp;≤2.5m2 is measured as its actual size, but openings &gt;2.5m2 are counted as 2.5m2 each. So a window that is 1x2m would be 2m2 but a window of 2x2m would be 2.5m2, as would a window of 3x2m.</P><P>&nbsp;</P><P>I would like to be able to measure the area of masonry, net of openings calculated following this rule.</P><P>&nbsp;</P><P>Is there any way to calculate this in a component schedule? The calculation rules for components just ignore openings below the specified size and although I can use properties to calculate opening sizes in this way and then subtract them from the total masonry area, I would prefer to be able to do it all in an interactive schedule.</P><P>&nbsp;</P><P>Has anyone come across this before?</P><P>&nbsp;</P><P><FONT face="courier new,courier" color="grey">Operating system used: <EM>Mac Intel-based 13.6 Ventura</EM></FONT></P> Fri, 05 Apr 2024 12:27:29 GMT https://community.graphisoft.com/t5/Project-data-BIM/Quantity-takeoffs-and-calculation-rules/m-p/597956#M10301 Rico Suleyman 2024-04-05T12:27:29Z