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Simpson has their ewd software available to engineers

Only question I would have is if you get a claim under the old policy... would the old insurer still cover you.

Bricscad is similar and not expensive Does 2d and 3d... and not subscription based No learning curve as all commands are similar to Autocad.

That is a big span for diy built trusses. For smaller spans I designed triangulated trusses with plywood gusset plates. May not work for your spans though

Their rationale is that the code has 2 significant figures (1.0) so 1.03 round to 1.0 1.04 is 1.1 Never liked it but that is industry standard... A few times against my strong opinion they asked for mill test report and used higher steel grade.... It's a wonder how more don't fail!

When ia was in Pemb I was told toe design to 1.03 ratio Reason being code specifies to design to 1.0 so the 1.03 becomes 1.0 when rounding. That is rhe tRick they used. Best

I spec bluesman https://henry.com/residential-and-light-commercial/foundation-and-below-grade/blueskin-wp200 As well as waterstops at wall to ftg interface when water level is high

Skel I have that document and very informative. And agree with you that drift occurs, we've had several collapses 5 years ago... But getting aggravated when other engineering colleuages say they never consider it for part 9. This is a large custom homes with large wide open walls, irregular...

I'd like clarification whether we need to consider snow drift on a FLAT LOWER ROOF based on part 9 of the national.bldg code of Canada. 9.4.2.1 seems to indicate you do. A9.4.2.2 seems to say you don't I've been including snow drift on all my part 9 projects but beginning to question this...

look up 'truss uplift'... It's caused by changes in humidity. And temperature variations...

Gotcha... Plywood gusset an option. Loads shouldn't be that high with the small span. Or custom metal plate.

Would a collar tie Hugh up be an option

Closest I found was this. https://www.google.com/amp/s/www.engineeringtoolbox.com/amp/wire-rope-strength-d_1518.html

Been using it for 3 years now. Wood module is really good and comes with simple calculators for quick calcs.

Skeleton I reached out to them and have yet to hear anything Been over 3 weeks. Needing the climatic set to update my spreadsheets...

I always use short term duration for these items.

I believe max cant with roof load is 24" based on 2kpa snow loading Or simply ask the joist supplier they have specs on it. You will need to rreinforce he joists with plywood over the cant and backspan. P

Medicine. I had that license for 1 client that does about 2 projects per year (average over the last 20 years). Conditions I agreed to were (per my lawyer) meaningless and he was an engineering lawyer in the province in question. So totally trust him. for your information I am 4 years before...

dik... this project is in the Yukon. no mention of water in the test pits that the Geotech did. they began digging and hit basically a river at 4'.

IR Totally agree... Thanks... I will call the boards this week. P