Special Inspection of Adhesive Anchors in Concrete 1

[Dennis59]

After looking through several ICC-ES reports from several different anchor manufacturers, I find that ALL of them require "special inspection" for their allowable load tables to apply.
I don't have a problem with this, since I have witnessed some horribly poorly installed adhesive anchors that had been installed with no inspection.
For wedge-type expansion anchors, ICC-ES reports generally seem to indicate that if anchors are not inspected, allowable loads should be cut in half. In the ICC-ES reports I've looked through for adhesive anchors, however, there is no such statement. The rule seems to be "inspect them or don't bother installing them". (Again, fine by me.)

My question #1 is whether anyone is aware of an anchor manufacturer that will go on record with an allowable load table for adhesive anchors without special inspection.

My question #2 is whether anyone has experiences to relate - good or bad - about adhesive anchors installed without special inspection.

My question #3 is: What would you do if you, as SER, show up at job site (specs require special inspection) only to find dozens of anchors installed without inspection.

Any responses would be much appreciated.

 

[whyun]

With adhesive anchors, when special inspection is not provided, it is difficult to assume that they are installed correctly. The variables include hole depth, cleanout, type of adhesive used, timing of the rod insertion et cetera.

This may be more information than you need but check out the Acceptance Criteria

http://www.icc-es.org/criteria/pdf_files/ac308.pdf

page 116.

As SER, your options include making the contractor replace all non-inspected anchors or have them test for twice the calculated load (or whatever safety factor you feel comfortable with).