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Basics covered in Level 1 Report Forms
Earthwork is the excavation and placement of soils and materials
Earthwork has to do with the
supporting the proposed roadway.
roadway in what way?
In Earthwork what is a lift? 6" of compacted depth at full width
A lot is 1 lift at 500 ft or within compacted area. Isolated compaction
In Earthwork what is a Lot? operations are separate lots.
Done for base, sub grade, and embankment.
Sampling at the roadway is done for
generated with random numbers usually by a Verification Inspector
Sampling is determined how
Minimum of three representative sample combined.
What is important about sampling at
the roadway
What is LIMS? Laboratory Info Management System
The proctor theory is when by inputting energy to expel air and water in the soil voids
compaction is achieved how
An increase in unit weight, decrease in compressibility and permeability.
Compaction causes
The proctor is determined where and In a laboratory and establishes a density standard to be used on the
creates what roadway
Material is gathered from the road and prepared with different amounts of
Lab proctors are created how water then placed in molds and hammered
It is used in base, sub grade, MSE wall back fill materials
What is a modified proctor used in
With a 10lb hammer(rammer) on a 18" drop with 56 blows per layers
Modified proctors are created how with 5 layers in total.
It is used in embankment and structure back fill materials
What is a standard proctor used in
With a 5.5lb hammer(rammer) on a 12" drop with 25 blows per layer with
Standard proctors are created how 3 layers in total
Comparison between VT and QC 2 lbs/pcf
density test tolerance
What is the STRG Sampling, Testing, and Reporting Guide (state wide)
A job guide schedule is project specific
004L
The material identification number
for embankment in the laboratory is