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Fattdad-That was helpful point. So far, I have been recommending soemthing similar, and it is being met with approval. On this upcoming project however, very little of the re-used excavated soils will be for tall embankments or deep fills. Primarily we will be re-using excavated soils for...

to answer fattdad further: This is a cut-to-fill project. We want to use what we have on site and we are willing to process our excavated soil and rock to whatever gradation we need to meet the specification. Yes, it was engineering boilerplate, but I think I know the reason. I was told that...

To answer fattdad: The civil engineer contracted a geotech to do a soils report. In that report the geotech recommended a structural fill gradation. It's the same exact gradation he uses on every report I have seen from him. Always the same 10% fines rule. Before I ask for a conference with...

I am an engineering geologist consulting as an interpreter between a civil engineer and an earthwork contractor. The engineer has specified that structural fill for roadways and under foundation footings cannot have more than 10% fines (passing the #200 sieve). The earthwork contractor would...

I want to thank all you bright, busy professionals for dropping what you were doing to help me with this problem. I have implemented every suggestion and I will get back to you with the results. I hope I can be as helpful someday when I've been at this a little longer.

I have to use the Sand Cone Method for density testing on a job where having a Nuclear Densometer on site all the time is not practical. I have only been doing Sand Cone tests for 6 months, and I understand that a lot of skill is needed. I just can't figure out what "skills" I need to develop...