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I understand that it's not the snow loads.i was referring to the original truss discussion when i referenced that not the floor. I believe i may have misread the code though because i thought it said 40 for my intended use. I do not currently plan to store much up their in regard to weight...

Ground snowload - 25 psf115 MPH wind speedAttics with storage - 20 psfDecks - 40 psfBalconies - 40 psfRooms (other than sleeping) - 40 psfSleeping areas - 30 psfPassenger vehicle garages - 50 psf (2000 lb point load over 20 sq. in area)Handrails - 200 lb concentrated lateral loadSoil bearing...

Now clearly I'm not a engineer but 100psf seems really high. If i understand it correctly and i probably don't. Is that saying my entire mezzanine 16x40 could hold 64000 lbs that seems like a bit of over kill. Please educate me on the dynamics i am missing. Because while it would be nice i don't...

I understand that it's not the snow loads.i was referring to the original truss discussion when i referenced that not the floor. I believe i may have misread the code though because i thought it said 40 for my intended use. I do not currently plan to store much up their in regard to weight...

Also would it be wise to do as the earlier poster described and design off the 8ft span from the lbw wall to the end of the mezzanine when calculating my point loads for the reinforced truss/ trusses. Despite the fact that i will be running continuous 16ft floor joists

Thankyou cmc and you are correct about the snow loads.i am right on the line where they move from 25 psf to 35 psf in my area but i am technically below the line. Despite the many criticisms here about my idea. I let that 40 psf ride because a. I figured it allowed for a greater safety margin...

Yes 1/4" plate is available. Alot of words seem to be getting put in my mouth i never once said or gave any indication that I had no interest in speaking with the truss manufacturer I said I have not chosen who I'm purchasing my lumber package from yet as a result I don't have a truss...

Cmcgarage you make valid points but your other remarks are unnecessary. Nobody said anything about buying trusses and guessing weather or not they will hold. As far as distributing the shear load. I have virtually unlimited access to metal within reason from my work and i was thinking i could...

The girder truss is also a good option i am not familiar with them though. I'm not quite sure i understand how your suggesting to install it could you elaborate?

What you described is pretty much what i had in mind. Just figuring the most cost effective way to support that 6400lbs

Thankyou bill I misunderstood when the cantilever rule was explained to me. The mezzanine does not have to be open to the main floor at all. I've looked into lvl's but as you stated it would have to be very tall and my overall height is a issue so that option is out. The idea for the mezzanine...

ThankYou to those of you who gave constructive and informative responses. Clearly i haven't "fucked" up anything yet because they generally don't build your trusses until you tell them how many you want. That is not what i came here for. I haven't chosen who will supply the lumber package yet so...

Sorry I'm on my phone auto correct really botched that. I am planning on running extra studs up the wall to support extra trusses and either sandwiching three trusses together or reinforcing two with a 2x8 or somthing along those lines to crest a stronger truss in this area at the end of the...

I'm getting ready to break ground on a 40 x 60 stick built garage. I would like to put a mezzanine along the 40 foot span. Along this wall will be several rooms roughly eight foot deep and I plan to use this as a load-bearing wall for the mezzanine. I would like to come out an additional 8 ft...