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construction inspection

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tsli001

Civil/Environmental
Mar 1, 2008
57
Hi guys,

I’m new to U.S. construction flied, and next week they ask me to go out for RC checking. What is the term they use to check the steel bar pattern etc in the construction field? do they also submit steel bar manufacturer's certificates ? If so do they call differently?

Thank you

tsli
 
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I would call the reinforcing check "size and spacing", but pattern is OK. Usually the mill certs (steel bar manufacturer's certificates will also be understood), is checked with the submittal phase, but maybe you want to make sure that the bars come from the lot they say they do.
Brush up on your english or spanish cursing and you'll do fine.
 
Also, refer to it as "observation" instead of "inspection" if possible
 
Excel is making a key point about liability.... The typical terms, in descending order of liability incurred are:

- Inspection (you've checked and YOU certify that it is perfect)
- Review (you've checked a substantial sample of your choosing and can say that the method of work meets with all requirements of the construction documents)
- Cursory visual review

In all cases record where you went, what you did and did not see, and make sure you make only specific statements.
 
The steel reinforcement ("rebar") will have an associated mill certificate, which is unlikely to be readily available on the construction site. And once placed, you will probably not be able to trace the mill certificate for the placed steel. The good news is that US rebar is a commodity, where one piece is very like the next.

You can use the mill markings and deformation/rib pattern to identify the mill which produced the bar, the strength grade, the associated ASTM specification, and bar size. You can download a digital copy of our Ready Reference Guide from crsi.org, by clicking on the webstore link.
 
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