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Thanks, All, for the thoughtful responses. I definitely agree that the line is very clearly drawn at not being able to practice disciplines in which one is not licensed. At the end of the day, the proof is in the pudding. As Guastavino mentioned, if an engineer's work causes significant damages...

When designing a steel stair that turns 180 degrees with an intermediate landing between floors to accommodate inter-story drift, is it necessary to provide slotted connections to accommodate drift in BOTH orthogonal directions, or is it only necessary to provide slotted connections to...

Thanks all, for your insight. Hokie - yes, the hoist mast ties will be anchored to the building at 30 ft max along entire mast height. The demands on the pad anchorage are primarily only during install, where the mast will be temporarily free-standing.

What level of corrosion protection is required for anchorage of temporary structures (2-3 year service life) to concrete? I'm designing anchorage of an exterior personnel hoist for a high rise to a concrete pad footing using post-installed anchors. The service lifetime will likely be on the...

Lacajun - I completely agree. I think the boundary of competency is pretty clearly drawn between the specific disciplines of engineering (civil, mechanical, electrical etc). I believe that if you have a degree, experience and if required, a license in a specific engineering discipline, then you...

The definition of technology is broader than gadgets and gizmos: http://www.dictionary.com/browse/technology A wheel is technology, so is steel, mass timber, iphones and the like. My pet peeve is that these days, "tech" means computer science/ internet. Yelp is considered a "tech company", but...

Sure it would be prohibitive of using new technologies. When a new technology first arises, no one has experience incorporating it into their designs. So should they never use it because they have no previous experience using it? For example, mass timber is quickly becoming a popular building...

My goal is to expand my knowledge and abilities and also comply with ethical standards. I think the "or" in "education or experience" is important, as if both were required, it would limit an engineer to performing work that they have done previously. As technology and codes are always...

Thanks for your responses. Do you consider self-education via reading accepted literature to be "education"?

The NSPE Code of Ethics States the following: Engineers shall perform services only in the areas of their competence. -Engineers shall undertake assignments only when qualified by education or experience in the specific technical fields involved. -Engineers shall not affix their signatures to...

This question is primarily directed at structural engineers working at small firms: Is it ethical to perform engineering calculations for a building design (usually a house), to then redline structural information on an architect's plans (architect does not work for same firm as engineer), have...

You can generally spec 1-1/2"x0.12 round tube, grade A513 Type 5 DOM (Fy=70 ksi) The 1-1/2" OD will allow you to weld on top of a standard MC12x10.6 stair stringer flange

If the joists are perpendicular to the beam, they brace the beam. If joists are parallel, you can add full depth blocking on either side of the beam for bracing. Or you can calc to see if plywood is good enough on its own.

Thanks. Yes, certainly CA would be an hourly add-service. I was more looking for what total fees ended up being typically, rather than a fixed fee to quote a client.

To any Structural Engineers who perform residential engineering work in the Seattle area: What hourly rates do you charge? For new medium-to-high end custom homes, what is your typical total fee (including CA) vs total construction costs? Work on existing homes is much more variable, but what...

Good advice - thank you!

Are there any P.E.'s who have performed structural engineering in Seattle without an S.E. license? The Seattle Building Code states that only S.E.'s can perform structural engineering work in Seattle, with a few exceptions (such as for houses, shop drawings etc.) After checking with the...