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I agree that there is a serious problem in the construction industry as it pertains to QA. Most General Contractors who have testing/inspecting on their budgets use those funds as a cushion, rather than adequately ensuring that materials are fully tested and inspected according to accepted...

I'm assuming here that you mean that the concrete tested at 3,750 and was specified at 5,250; which means that the concrete sample only tested at 71% of designed strength. Hopefully a hold cylander was made. That is an extra cylander which may be cured for 56 days, or if time does not permit, at...

I firmly agree with soilman2 on this. A testing agency is the quality control of a project; ensuring that the specification of the design are met. I strongly disagree with brownbagg's statement that specifications are "pulled out of thin air" or simply used repeatedly. However, pne...

I'm certain that you've already put more effort into this problem than is necessary. We all know that it is impossible to achieve true compaction with frozen material. Remember basic chemistry - what is the relationship between frozen and thawed elements? Therein lies your answer. Yes, it is...