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Guide Schedule for Federal-Aid Sampling
| Legend: |
FD = field |
DL = district laboratory |
BC = before compaction
|
| Type of Construction Material |
Tests to be made (if specified) |
Sampled |
Tested in |
Minimum Number of Tests
|
| Stabilized Permeable Base
|
Graduation SAA002UB
|
BC
|
FD, DL
|
One per 5,000 tons (5,000 megagrams) or fraction thereof per specified graduation source. None required if less than 1,000 tons (1,000 megagrams) of a specified graduation.
|
| Modified subgrade (sand-soil base, soil-cement base or soil-lime base)
|
Graduation SAA002WA
|
BC
|
FD, DL
|
One per 5,000 tons (5,000 megagrams) or fraction thereof per specified graduation source. None required if less than 1,000 tons (1,000 megagrams) of a specified graduation.
|
| Liquid Limit included with gradation
|
BC
|
FD, DL
|
One per project per specified graduation, per source. None required if less than 1,000 tons (1,000 megagrams).
|
| PI included with gradation
|
BC
|
FD,DL
|
One per project per specified graduation, per source. None required if less than 1,000 tons (1,000 megagrams).
|