one more pic showing the typical panel point configuration which was a main part of my original query. thank you all for your interest and support.http://files.engineering.com/getfile.aspx?folder=d4ba4e0b-2576-489f-951e-77bcb30fa886&file=typical_panel_point.JPG
Mike:
I would ask:
1. Are any of the members rough cut?
actual chord size is 5 5/16 x 5 5/16 and midspan splice is all there is. beautiful tight grained lumber. i'll see if i can upload a photo.
2. Were the trusses manufactured on-site?
this is unknown at present. but spacing is 20' 5 1/2"...
Mike: yes it is the same 70' truss project. there are actually 4 broken trusses. 2 have similar conditions loading and water wise and are what this thread is asking about. the other two have breaks at bottom chord 2nd panel point from heel, no sign of water, and vertical break essentially at...
i have a 70' bowstring truss with the 6x6 bottom chord split through the bolts from the heel past the first panel point. the truss supports a mech load above the 1st top chord panel point (1st in from the heel), and there is evidence of water on the underside of the sheathing in this area. the...
my client has a warehouse which he wishes to sell with 70' span bowstring trusses, several of which are broken. the top chord is 4-2x6s flat, apparenetly nail laminated together as no bolts are visible. the bottom chord is a single 6x6 spliced in the middle. the webs vary from 3x3 to 3x4...
