I had previously posted in the Civil/Environmental Forum an issue in regards to P-209 gradation after compaction. At the plant the average #200 was 6.8% and the after compaction tests were 12.5%
Now the supplier of the material is disputing the penalty along with us imposed by the owner (the...
We have an order to supply bedding material for a stream restoration project. The specifications indicates percentages of various size materials ranging from 3" up to 27". We are blending several commonly produced quarry materials to achieve the desired gradation.
The Environmental Engineer...
On a recent project, the P209 met specs for material properties and gradation at the plant. Then after 100% compaction the specs require the gradation sample to be taken from the in-place compacted material.
The test at the plant were in spec, however, the test after compaction resulted in...
