Location of
Material Type
Material
Test Frequency
Borrow
Any
One test per lift per 400
cubic m placed.
Location of
Material Type
Material
Test Frequency
Undisturbed
Structures
Two random tests in
native soil
building footings and
two tests on subgrade
within building line.
Fills and
Structures
One test per structure
backfills
(adjacent to)
per 2,000 sq. ft taken
12 inches below
finished grade.
Subgrades
Site (except
One test per lift per
airfields)
2,500 sq. ft
Embankments
Any
One test per lift per
or borrow
500 cubic yds placed.
Native soil
Any
One test or one test per
subgrade
10,000 sq. ft, whichever
other than
is greater.
structures
and parking
Borrow
Any
One test per lift per
500 cubuc yds placed.
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a. One test per [_____] square meters, feet, or fraction thereof, of
each lift of fill or backfill areas compacted by other than
hand-operated machines.
b.
One test per [_____] square meters, feet, or fraction thereof, of
each lift of fill or backfill areas compacted by hand-operated
machines.
c.
One test per [_____] linear meters, feet, or fraction thereof, of
each lift of embankment or backfill for [roads] [airfields].
d.
One test per [_____] linear meters, feet, or fraction thereof, of
each lift of embankment or backfill for railroads.
3.18.3
Check Tests on In-Place Densities
If ASTM D 2922 is used, in-place densities shall be checked by ASTM D 1556
as follows:
a.
One check test per lift for each [_____] square meters, feet, or
fraction thereof, of each lift of fill or backfill compacted by
other than hand-operated machines.
SECTION 02300
Page 45
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