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Recent content by eng003

  1. eng003

    Bottom bearing wood floor truss, 2nd floor wall tie down

    It is split face so I can not strap to the face. I need typical uplift connection so there will be a lot of them I think holddowns would get expensive. Uplift is approximately 300 plf w/ studs & trusses @ 16" o.c.
  2. eng003

    Bottom bearing wood floor truss, 2nd floor wall tie down

    I have a two story structure first floor cmu 2nd story wood stud frame located in high wind area. Need to tie down 2nd floor studs to bond beam below 2nd floor wood trusses. Trusses bear on 2x plate with anchor bolts into masonry bond beam. Would like to use Simpson coil straps or simliar...
  3. eng003

    column - vehicle impact protection

    I have an isolated column that will be in close proximity to where cars will come in and out. Structure is a larger garage/barn accessory to residential. Apart from it being a good idea does any know of a code requirement i.e. ibc/irc for protecting the column from the vehicles? Also, what would...
  4. eng003

    large span conv. framed hip roof ceiling joists

    Looking at a 34' span (short width) 2nd story renovation in which contractor wants to conventionally frame a hip roof. 4:12 pitch no snow but high wind. Maze of existing bearing wall lines below to use but unfortunately mainly parrallel to the potential ceiling joists/rafter ties. Thinking of...
  5. eng003

    live load - alf living room

    Thanks all for the responses! Sounds like general consensus is 100 psf for a common room am I right? I anticpate far less than 300 people as this is a small alf structure but it sounds like the 300 person reference was a red herring??(although msquared48 in my opinion offers some of the best...
  6. eng003

    live load - alf living room

    I have an existing assisted living facility renovation where flat wood roof trusses designed for 40 psf live load will be use for the floor system for a second story addition. Part of the addition will be bedrooms and other part common areas (living room) although not specifically addressed in...
  7. eng003

    masonry/wood structure shearwall combination & code requirements?

    This may be difficult to describe without a sketch but I do not have one handy so here it goes: I have an existing 2 story old wood framed structure to which a one story cmu masonry addition was added. On about 50% of one of the addition wall was the original wood frame 1st story wall. Client...
  8. eng003

    Load Path to Roof Diaphragm w/ Overhang Trusses - See Detail

    Well its made its way to the truss designer and I have specified for the jack trusses and girder truss sitting on wall to be design for my calculated drag loads. He has called me up and gave me I don't know what your talking about...he is a rural truss plant and admittedly told me I need to keep...
  9. eng003

    lumber roof sheathing

    Ron - Thanks for all the great information, interesting point about the ventilation. Wonder if I was reading that awc tech pub right about staggering the joints...I definately agree I would want the end joints on a support. Hokie - Regarding the diaphragm capacity good point I see that if the...
  10. eng003

    lumber roof sheathing

    Looking for general formation on 1x, 2x, & 3x lumber roof sheathing. Pro's con's, design considerations, etc. -I note awc has a technical pub on 2x & 3x but what about 1x what design values do you use for that? -the tech pub shows some installation patterns where they appear to stagger with ends...
  11. eng003

    Load Path to Roof Diaphragm w/ Overhang Trusses - See Detail

    There are two forces that need to be transferred between the roof diaphragm to the wall. The first is bringing roof diaphragm forces down to the shearwall below. These forces which would be in line with the truss sitting on the wall and the shearwall itslef. The question with this force is...
  12. eng003

    Load Path to Roof Diaphragm w/ Overhang Trusses - See Detail

    Interested in how others typically transfer load from exterior wall to roof diaphragm when dealing with trusses overhanging a porch. Please see attached detail, initial plan is to use the jack trusses as drag struts and sheath the porch ceiling with 3/8" plywood. Even with the high wind it is...
  13. eng003

    Detail Critique - Wood/Masonry Wall Section w/ Kicker Brace

    Thanks for the response. I like the idea but having trouble visualizing how it is detailed. Could you provide a sketch? Curious, do you never do a kicker like this?
  14. eng003

    Detail Critique - Wood/Masonry Wall Section w/ Kicker Brace

    Looking for a critque of the attached detail. There few things I am not thrilled about but specifically the kicker brace. I do not like the idea of making them thread the brace through the truss...expecting interference and trouble placing. Considered taking wall studs down to the plate on the...
  15. eng003

    flood vent requirements

    Structure will actually be located in a small strip of X bordered by A on one side and V on the other so technically it is not in the flood zone altough only a few feet away in the A zone the bfe is several feet above the proposed ffe...figure that one out :-). I am aware of the breakaway...
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