Revise Geometry

1. Revise Geometry Hipped Roofing Click mouse to bring in each item or description until complete M. S. Martin Randwick TAFE February 2008 Reviewed 2010

2. Plumb Bevel Common Rafter Level Bevel Common Rafter Edge Bevel Creeper Draw in creeper Project up Draw in level line 90° to true length Join to create bevel LL1 Rise R 30° Pitch Plumb Bevel Hip 1)Measure Rise 2) Draw in Rise 90° to plan length hip 3) Join to create bevel Level Bevel Hip Edge Bevel Hip 1) Draw in crown end 2) Draw in level line 2, 90° to plan length hip 3) project across to true length of hip 4) Draw level line 90° to true length 5) Join to create bevel Rise LL2 Edge Bevel Purlin LL2 LL1 Face Bevel Purlin 1) Draw line 90°to TLCR, 2) Project down to plan length hip at two points, 3) draw line out from PLH, 4) create bevel