Drill rod and scraper plate.
To make a hole in soil for density and compaction soil testing with a nuclear density gauge. Like a Troxler or Humboldt.
Is to make a hole in soil for density test.
The purpose of a scraper plate is to :
- To level the soil to density gauge testing.
- To put drill rod through one of the guide holes and hit a 5000mm deep hole for density test.