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  1. TORCHMAN

    Subdivision Work - Pricing

    Correct me if there is already a discussion on this, but I could not find it. New client (good architect in my area) asked me to price work for a whole subdivision of 50 houses. There are only 2 designs and in each there is a lat. unsupported wall and 2 beams. That is to say, the work is...
  2. TORCHMAN

    Plastic Beam

    Has anyone ever worked with plastic as a structural material? It seems to me that the industry accepts it in a few applications like exterior decking or roofs for greenhouses. Or in composite applications such as adding fibres to concrete. Though it seems like there is a cut off line where the...
  3. TORCHMAN

    Rail bridge collapses near the US-Canada border

    Anyone has more info on this bridge collapse? Did it collapse while lifting? Any info is appreciated. https://apnews.com/article/minnesota-ontario-bridge-collapse-bdc7fc5f50c7186b81063e2f5feb0db6
  4. TORCHMAN

    Chicago Design Storm from IDF Curve

    Fellow engineers, I am working on a small project where a bit of parking lot is being regraded to create a loading dock. This loading dock will slope down about 4 ft but the overhead door and opening will remain raised to current grade. As a method of storm water management, the architect...
  5. TORCHMAN

    ICC - Canada - Insulated Metal Panels

    I have recently been asked by a company if I would like to be the engineer of an American system that they are looking to be the distributor for here in Canada. The system is made up of cold rolled aluminum extrusions and insulated metal panel roof. For the metal panel roof, since I have never...
  6. TORCHMAN

    Size of PDF - Unprintable

    I am representing the developer in this case, not the engineer. The architect is sharing a PDF file that is so large. Each page is between 1.5MB to 3MB. It is so large that my printer/plotter has a hard time printing more than 4 pages at a time. I tried sending it to local printing houses and...
  7. TORCHMAN

    Overhanging/Cantilever Car Port

    Good Evening Engineers, I am designing a commercial carport with supports only at the back. Below is a picture of roughly what I am trying to achieve. The location has a relatively low snow load of 1.2kPa but it poses a challenge! I have tried modelling a couple of options and I am wondering...
  8. TORCHMAN

    OWSJ Reinforcement vs Midsupports

    Working on a project where the loading is being changed on OWSJ members. I plan on proposing 3 options to my client: 1) Reinforce webs - as it stands, I calculated its compressive resistance to be 10kN 2) Add 1 or 2 supports at bottom chords - I didn't think this was an option but saw KootK...
  9. TORCHMAN

    OWSJ from 1940s or 1950s

    My client purchased an old 3-storey office building with OWSJ + metal deck and concrete supporting some floors. In these locations, he is planning on changing the use to self-storage and I am tasked with ensuring that the structure it has the capacity required to support the new use. I am...
  10. TORCHMAN

    Existing block wall as a shear wall

    My client is building a 2-storey block and hollowcore addition to his 2-1/2 storey block and metal deck composite floor building - built in 1940s/50s. I am wondering how you feel about using an existing block wall considering the unknowns, specifically, on one side of the addition, I am looking...
  11. TORCHMAN

    Wood Shear Walls on LVLs

    Lately I have seen some engineers that design wood, 2x6 framed, shear walls on a second floor that do not line up with a moment frame on the ground floor. In an effort to minimize steel, they pick up the tension/compression forces from the shear wall with an LVL beam below, and the shear...
  12. TORCHMAN

    Shear Wall Collectors - CSA 086

    I have not been able to find any information on shearwall collectors on the Canadian wood code - CSA086. I see people on the forum talking about it but I found strange that the Canadian code seems to make no provision for it. Am I missing something? Is it a shear wall requirement? Where can I...
  13. TORCHMAN

    Designing large structures

    Those of you that design tall structures (10+ storeys). Where did you get the experience? From one man shows? From working at a local design firm? I am looking to know if any one man shows actually design taller structures and how you learned it.
  14. TORCHMAN

    Is this a laterally unsupported fnd. wall?

    Gents, See below image of ground and basement plans. Looks to me like the fnd. wall on the north side is unsupported. The one on the southside, because there is an elevation jog in the fnd. wall, I want to say that it is laterally supported. What would you say?
  15. TORCHMAN

    Wind Load for Tightly Spaced 3 Storey Houses

    Afternoon, Toronto is a city with detached houses on narrow lots, often spaced 18" apart on one side and up to 6' on the other. As of the last 20 years, it has become a trend that home owners are adding an extra storey on their 2 storey homes, bringing it up to 3 storeys, and going for an open...
  16. TORCHMAN

    Sun Room - Moment frame

    This seems like an example of a house extension that requires a moment frame. It is a small extension though and I am not sure if you think it is so small that it doesn't require one. The way I analyze it is that it is braced to the existing structure on the north end so that wind from the...
  17. TORCHMAN

    Weyerhauser TJI Deflection

    People in my area love using TJIs. I like spec'ing it as they have a great specifier's guide. But I realize that I am unsure about some aspects of spec'ing this product and I cannot find a good Weyerhauser contact. Does anyone here know how to get in contact with their technical team? Below are...
  18. TORCHMAN

    Designing Moment Frame for Residential

    Good Evening, I am designing a moment frame for a house and want to run some ideas by you and see how others engineers would approach this. It is an existing house and a proposed addition is being designed. This addition is a great room with a scissor truss. The exterior walls are about 5.5m...
  19. TORCHMAN

    Aluminum Extrusions and Glass

    Gents, I was asked to look into engineering a system of aluminum extrusions and glass. The idea is that the fellow I am working with will be distributor of an international product here in Canada and this product will need a local stamp. The system is already designed and engineered but I will...
  20. TORCHMAN

    Compression Roof

    First time posting here - always use this forum when searching for info and finally decided to join the community. Let me know if you need more info. I am looking to design a compression roof with no ceiling joists/ties, or structural ridge beam. I am hoping to use a ridge board and collar...

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