Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations waross on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: lubos1984
  • Content: Threads
  • Order by date
  1. lubos1984

    Ontario Building Code, steel beam tables vs engineered calculation discrepency

    Hi Guys, Just wondered if any of you can shed some light on the steel beam tables provided in Part 9 of the Ontario Building Code. I'll take a simple example: According to the table a W8x18 steel beam with a 19'6" tributary width should be able to span 19'. Beam is assumed to be laterally...
  2. lubos1984

    gable roof with with vaulted cross gables and structural valleys

    Hi Guys, wanted to run something by you. I'm working on a garage where the client wants to vaulted the attic space for storage. He doesn't want any intermediate posts to maximize storage space. The attic floor is the garage ceiling with joists bracing the exterior walls. I have attached my...
  3. lubos1984

    evaluating number of fasteners for top mounted vs side mounted point loads on multy ply beams

    Hello All, Wanted to get some direction for point loads on a 2 ply LVL beam for different loading scenarios. Scenario 1: face mounted point load (point load from attached beam on joist hanger) Scenario 2: top mounted point load (point load from column above) Assuming the same member...
  4. lubos1984

    lowering basement slab to underside of footing

    Hi All, What are your thoughts about lowering the basement slab so that the middle height of the 3" slab is flush with the underside of the footing as per the below sketch. The client wants to add a few inches in height to the basement but does not want to underpin the footings. I've never...
  5. lubos1984

    Adding LVL for joist bearing because joists are too short

    Good Morning Everyone, Hope you all had a good weekend. Have an issue on a jobsite where for whatever reason the floor manufacturer has produced joists that are too short. To reorder new joists would require an extensive amount of rework, so I was wondering if the below is an acceptable...
  6. lubos1984

    building a second floor floor system on top of existing attic floor system

    Good Morning. I had a contractor reach out to me about building a second floor addition on top of the first. However, he would like to leave the existing attic joists as is to avoid removing drywall on the floor below. I've attached a sketch of what he proposes. My question is does adding an...
  7. lubos1984

    hip roof converted to a cathedral ceiling

    Hello Everyone, I am working on a project where a client wants to convert a section of a house to a cathedral ceiling. Right now its a square hip roof with ceiling joists. The ceiling joists would be removed. As well the roof has intermediate beams to support the 2x6 rafters since some of...
  8. lubos1984

    vertical crack in newly installed brick veneer for new built house (Toronto area)

    Good Morning Everyone, I have been requested to look at a newly built house that has recently had a brick veneer installed. The Builder contacted me to review a continuous vertical crack as you can see from the pictures. I was wondering what your thoughts are in the cause of this crack (thermal...
  9. lubos1984

    warped cedar beam in pool house. causes ?

    Good Day Everyone. Hope you all had a good weekend. Last week i visited a client that was complaining about a warped beam. When i got there, I saw two large cedar beams where one was really warped especially at the ends. Never seen anything like it for that kind of beam size. Of course the...
  10. lubos1984

    1" hole drilled in bottom chords of wood truss

    Greetings to all, An architect called me with an issue at one of the projects he's managing. Apparently the electrician drilled a 1" dia hole through the bottom chord of the trusses. The bottom chord is a 2x4 (1.5" x 3.5"). The truss manufacturer does not want to evaluate this, as their...
  11. lubos1984

    strengthening a deficient steel beam by welding a steel plate to the bottom edge

    Hello everyone, Hope you are all enjoying the warm weather for everyone living up north! I have a project where the client wants to add a hot tub and additional dead load onto a flat roof. Because of this the current W530x74 beams are not sufficient (fail by moment). it is not practical in...
  12. lubos1984

    beam post not resting fully on concrete wall.

    Hey guys, came across the below issue. what do you think of this type of solution ? there's no space to move the column! I'm not sure how to evaluate the load transfer here, should i assume the force acting on the angle is only the base of the post that is not on concrete ? Or should it be...
  13. lubos1984

    overhang truss pieces attached to coreslab.

    Good Morning and hope everyone had a good weekend. Contractor has requested if a design detail can be developed to attach overhang truss pieces to a tall wall 10" thick coreslab. I've attached pictures below for reference. This is in a high snow load area in the Niagara region so snow drift...
  14. lubos1984

    connecting perpendicular lower steel beam to upper steel beam without post.

    Good morning everyone, I did an inspection where client was complaining about sagging floors. Turns out they had 2x8 joist spanning over 15'6"! Not sure how this passed inspection. In any case the joists need to be supported. The client does not want any additional posts. There is also a...
  15. lubos1984

    Block wood pieces holding joist to steel beam

    Hi all I came across this during an inspection. Contractor should have packed a 2x10 and then joists no idea why he did it this way. Without having to rip everything out how would you evaluate this situation structurally and are any other remediations possible ? Thanks again...
  16. lubos1984

    3'rd story addition on an old Victorian home

    Hi Everyone, I'm working on a 3'rd story addition to a current 2 and a half story (there is already a 3'rd floor in the front half of the house). The project is to renovate the existing 3'rd floor and add the rear addition. The client wants to leave the front dormer in place (heritage) The...
  17. lubos1984

    stormwater management report - retained volume calculations

    Hello Everyone, I'm currently working on my first stormwater management report and am having trouble figuring out the equation for retained volume. I've attached some screenshots. As the intensity of the rainfall decreases there should be a period when the retained volume begins to decrease ...
  18. lubos1984

    self supporting wooden stairs with landing

    Good Morning everyone, I was called in to examine a stairway installed at a new build home. The stairway landing is supported by load bearing walls on two sides and by a hockey stick type stringer at the bottom. The base of the stairs rests on a double LVLs. I would think that the angled...
  19. lubos1984

    4 bay garage auto repair shop rusted columns

    Good Evening everyone! rusted column bases at front garages. not sure why the foundation wall is not above ground. Looks like column are embedded into the slab. Middle columns have rust eating away. Not sure if a localized repair would suffice ? Any thoughts ? Thank you
  20. lubos1984

    sagging outside brick wall

    hello everyone, I recently did an inspection of a old victorian home in Toronto. While doing the inspection i noticed that the outside brick wall has sagged around the archway windows and in some areas of the wall. Upon closer examination there were no lintels installed in the window arches...

Part and Inventory Search