Kbird1 Posted December 25, 2019 Share Posted December 25, 2019 The Attachment at the Bottom is a PDF of the Vertical Structure Depths for Common Imperial Lumber sizes and LVL / TJI sizes at different Roof Pitches which I made recently with Forum Member "Chopsaw's" help ( Thanks - 'cos Trig. ain't my thing ! ). ( VSD is VRD in older versions of Chief ) VSD as defined in the Reference Manual : The Vertical Structure Depth is defined by measuring a plumb line across the roof plane structure. The degree of pitch affects the Vertical rafter width. The greater the pitch, the greater the vertical structure depth. ( *** See 3rd pic below or the 3rd page of the PDF for Clarification ) Below are also some pics of the 3 Page PDF for Reference : PDF FILE : CHIEF ARCH. VERTICAL STRUCTURE DEPTH (VSD) CHART FOR IMPERIAL LUMBER SIZES.pdf Mick. 1 Link to comment Share on other sites More sharing options...
Kbird1 Posted December 25, 2019 Author Share Posted December 25, 2019 It is simply a Cheat Sheet for VSD sizes , inspired by a hand written Cheat Sheet posted by Curt ( @CJSpud ) a few years ago in a Thread about Energy Heel Trusses , which I just expanded on, now I have some (minor) Excel skills. M. 1 Link to comment Share on other sites More sharing options...
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