density for cohesionless materials.
3.14.3.2
Subgrade for Pavements
**************************************************************************
NOTE: If the compaction requirements are not shown
in tabular form on the drawings, and the paragraphs
as written are not adequate, paragraphs Subgrade for
Pavements and Subgrade for Shoulders will be
rewritten as follows:
Subgrade for [pavements] [and] [shoulders] shall be
compacted to at least the percentage of laboratory
maximum density in the following table for the
specific depths below the surface of the [pavement]
[or] [shoulders] shown.
Depth Below
Pavement (or
Shoulder)
Surface
Percentage of Laboratory Maximum Density Required
___________________________________________________________________
mm Inchesmm Inches
Fill
Cut
________________________
_________________________
Cohesive
Cohesionless
Cohesive
Cohesionless
From
To
Materials
Materials
Materials
Materials
_____ ___ __________ _____________ __________ __________
___________________________________________________________________
The desired depths and density percentages will be
entered in the table in accordance with applicable
data from the following manuals, as appropriate:
TM 5-822-5, TM 5-825-2, and TM-5-825-3
**************************************************************************
Subgrade for pavements shall be compacted to at least [_____] percentage
laboratory maximum density for the depth below the surface of the pavement
shown. When more than one soil classification is present in the subgrade,
the top [_____] mm inches of subgrade shall be scarified, windrowed,
thoroughly blended, reshaped, and compacted.
3.14.3.3
Subgrade for Shoulders
Subgrade for shoulders shall be compacted to at least [_____] percentage
laboratory maximum density for the [depth below the surface of shoulder
shown] [full depth of the shoulder].
3.14.3.4
Subgrade for Airfield Pavements
Compact top 600 mm 24 inches below finished pavement or top 300 mm 12 inches
of subgrades, whichever is greater, to [100] [_____] percent of ASTM D 1557;
compact fill and backfill material to [100] [_____] percent of ASTM D 1557.
SECTION 02300
Page 41
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