https://communities.bentley.com/products/bridge_design___engineering/f/bridgemaster-lars-leap-openbridge-rm-forum/132832/is-it-possible-to-get-accurate-quantitiesi&#39;d like for OBM to be able to report accurate quantities. i have a bridge 7 girders, 60&#39;-93&#39;-60&#39; spans, W36x170. that quantities are just a bit off (32.9lbs???). i guess cross frames aren&#39;t important either? whats worse is i cant even grab the volumeen-USTelligent Community 12https://communities.bentley.com/thread/406572?ContentTypeID=1Tue, 21 Mar 2017 11:00:14 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:0e6ec929-5321-4760-bd66-8f1b14696010Vinay mysore<p style="margin:0in 0in 0pt;">User needs to assign a material for the beams (in the beam definition dialog) and the cross-frames and stiffeners (in the library), after which you will see the correct report.</p> <p style="margin:0in 0in 0pt;">We use the unit weight from the material properties to develop the quantities (weight).</p> <p><span style="font-family:Times New Roman;font-size:medium;"> </span></p><div style="clear:both;"></div>