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Recent content by DBronson

  1. DBronson

    IFC IBC fire codes and occupancy.

    Bradley5: I believe a machine shop falls into F-2 metal products - fabrication and assembly. If the building is surrounded by a minimum 60' clear open area around its entire perimeter it can be considered an unlimited area building. See 507.3 of the IBC. The storage and accessory uses can...
  2. DBronson

    Roofing Fastening Detail - Loads and General Critique

    KootK: Take look at these two documents on fastening thick claddings to a wood frame. Link1, Link2 They're from Building Science Corp. The second link shows fastening 10" insulation. The first one is some structural research they did on fastening thick claddings. Regards DB NB: Joe...
  3. DBronson

    FH Self-Tapping Screw

    Dik: Look at the ITW Reamer Tek screws, They're flat head screws designed for wood to metal, but I don't see why they wouldn't work for steel. Shank hole and countersink would need to be drilled in the outer plate. We've used them for fastening to HSS - work great. DB
  4. DBronson

    FH Self-Tapping Screw

    Dik: Take a look at these ITW fasteners. Flat pancake head - not true flathead though. Link DB
  5. DBronson

    Grenfell Tower Fire Report

    Dik: On the Grenfell Tower Inquiry Phase 1 page look at the tabs on top of the page "Evidence" DB
  6. DBronson

    Grenfell Tower Fire Report

    Dik: Sorry I don't know - ~1,700 pages and 2 years ago. You might check the searchable evidence list on the web site. DB
  7. DBronson

    Grenfell Tower Fire Report

    Dik: I believe the drawings are in Part 1 of the report (from a couple of years ago). I recall seeing there - though, sorry, I don't recall where. DB
  8. DBronson

    Wood Screw Thread Form

    JMP1098: Wood Screws are covered by ASME B18.6.1. Note that there are two types of threads - cut thread and rolled thread. Cut threads have tapered shank, rolled threads have a constant shank diameter and taper at the point. The design steps and allowable values for use in wood structures is...
  9. DBronson

    small diameter concrete fasteners for cladding

    NorthCivil: I assume you've looked at Zamac type fasteners? Pretty quick and easy to install. Link Regards, DB
  10. DBronson

    Supporting noncombustible secondary framing on conmbustible primary

    Hoboneer: The answer to your first two questions is no - mixed material types are permitted and indeed, used all the time. The code only prohibits the use of combustible materials for a couple of building types: high hazard facilities (H-1) and some institutional facilities (I-2). The code...
  11. DBronson

    Fire Code - Maximum Travel Distance to Exit

    KB4444: To better understand the issues I would carefully review the definitions in 101. An exit should be defined in there. Generally it's a point where one enters an outdoor public way - where a person is "safe". Catwalks and such are not usually considered "occupiable spaces" - people...
  12. DBronson

    Has anyone seen this roof assembly before?

    Echo26: The deck looks similar to the Tectum system. Link I'm not familiar with the joist system, but the Tectum product has been around for nearly 70 years so it may be a legacy system. Regards, DB
  13. DBronson

    Single AC cooling 2+ rooms?

    Tomfh: Have you considered a multizone split system? Link Seems like the simplest way to solve your problem. Regards, DB
  14. DBronson

    Can firewall include perimeter columns?

    Pixy: Ive never had to deal with a very tall fire wall. The general approach is to use a single wall that is braced by the structure on both sides. The trick is to detail the braces as break-away connections, as Dik mentions. It sounds like you have a complicated project. I'd suggest...
  15. DBronson

    Can firewall include perimeter columns?

    Pixy: Assuming you're in the US, the definition of a fire wall (not fire partition) in the IBC states: "FIRE WALL. A fire-resistance-rated wall having protected openings, which restricts the spread of fire and extends continuously from the foundation to or through the roof, with sufficient...

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