>
> I haven't used those HPAHD (used to be just PA) straps since the 80s
> and I believe they were outlawed in the City of Los Angeles in about
> 1992. I can't believe Simpson even produces them anymore.
>
> As for the old bolted holddowns, (HD series), I don't think anyone
> that has ever installed a PHD series holddown and their brethren would
> say that the bolted versions were superior, at least anecdotally. I
> guess we'll all find out if we're idiots or not when the next big
> shaker arrives since I don't believe they existed prior to '94 and
> thus haven't been put thru Mother Nature's testing program, but so
> far, I'm a big fan of the SDS screw both for hold-downs and also sill
> transfer because I"ve never been too comfortable with that "re-tighten
> the bolt just before covering" thang….
>
> ------------------------------------------------------------------------
What he said.
Chuck Utzman, PE
I saw too many installations where the drilled holes didn't align & were
finished off with what we call a "Mexican milling machine"
******* ****** ******* ******** ******* ******* ******* ***
* Read list FAQ at: http://www.seaint.org/list_FAQ.asp
*
* This email was sent to you via Structural Engineers
* Association of Southern California (SEAOSC) server. To
* subscribe (no fee) or UnSubscribe, please go to:
*
*
http://www.seaint.org/sealist1.asp
*
* Questions to seaint-ad@seaint.org. Remember, any email you
* send to the list is public domain and may be re-posted
* without your permission. Make sure you visit our web
* site at: http://www.seaint.org
******* ****** ****** ****** ******* ****** ****** ********