ICC (EC) SOILS 1 – 130 ACTUAL 2026 QUESTIONS AND
DETAILED ANSWERS GUARANTEED PASS
When the cut/fill contacts are highlighted on grading plans, it
is referred to as "___" on the plans.
Daylight
The appropriate compaction equipment for clay and silt would
be a ___, and for aggregate base, sand and gravel would be ___.
Sheepsfoot - non-vibe
Flat drum - vibe
Gtod table 11-2
The maximum angle that a granular material can loosely
stockpile is called the ___.
Angle of repose
The process of compacting selected materials over a pumping
or soft area is referred to as ___.
Bridging
pg. 1
,The densification of soil or other material resulting in a
decrease in volume would be considered ___.
Compaction
A surveying stake from the top of which elevations and
distances are measured and computed is called a ___.
Hub
The removal of soil below the proposed finish grade, then
replacing it with compacted material is a process known as
___.
Over excavation - over x
The property of soil that allows it to be deformed beyond the
point of recovery without cracking or appreciable volume
change would be ___.
Plasticity
A rolling motion in solid placed or compacted in an over
optimum condition would be referred to as ___.
Pumping
pg. 2
,The act of loosening existing surface material to mix, blend, or
prepare fill placement is to ___.
Scarify
Applying a rock correction to a compaction test will cause the
in-place density to ___.
Decrease
A sheepsfoot compacts from the ___.
Bottom to the top
When a sample is found to be larger than needed for testing,
you can reduce it by ___ .
Quartering or splitting
Dilatancy
Fluids and soils where they become more thick or solid under
pressure
Information for the icc (ec) soils special inspector exam can be
found in the ___. It is updated ___.
National certification examination information bulletin
pg. 3
, Every six months
What references are allowed to be brought to the icc (ec) soils
special inspector exam?
Geotechnical testing, observation, and documentation
Soils, earthwork, and foundations
Special inspection manual 2012
International building code 2015
Astm standards as referenced in the ibc
Astm references: (2016)
D 75-14
D 422-63 (2007)
D 698-12e1
D 1556-07
D 1557-12
D 2487-11
D 2488-09a
D 4318-10e1
D 4718-87 (2007)
D 4959-07
D 6938-10
The icc (ec) soils special inspector exam expected range of
knowledge (erk) is divided into content areas:
pg. 4
DETAILED ANSWERS GUARANTEED PASS
When the cut/fill contacts are highlighted on grading plans, it
is referred to as "___" on the plans.
Daylight
The appropriate compaction equipment for clay and silt would
be a ___, and for aggregate base, sand and gravel would be ___.
Sheepsfoot - non-vibe
Flat drum - vibe
Gtod table 11-2
The maximum angle that a granular material can loosely
stockpile is called the ___.
Angle of repose
The process of compacting selected materials over a pumping
or soft area is referred to as ___.
Bridging
pg. 1
,The densification of soil or other material resulting in a
decrease in volume would be considered ___.
Compaction
A surveying stake from the top of which elevations and
distances are measured and computed is called a ___.
Hub
The removal of soil below the proposed finish grade, then
replacing it with compacted material is a process known as
___.
Over excavation - over x
The property of soil that allows it to be deformed beyond the
point of recovery without cracking or appreciable volume
change would be ___.
Plasticity
A rolling motion in solid placed or compacted in an over
optimum condition would be referred to as ___.
Pumping
pg. 2
,The act of loosening existing surface material to mix, blend, or
prepare fill placement is to ___.
Scarify
Applying a rock correction to a compaction test will cause the
in-place density to ___.
Decrease
A sheepsfoot compacts from the ___.
Bottom to the top
When a sample is found to be larger than needed for testing,
you can reduce it by ___ .
Quartering or splitting
Dilatancy
Fluids and soils where they become more thick or solid under
pressure
Information for the icc (ec) soils special inspector exam can be
found in the ___. It is updated ___.
National certification examination information bulletin
pg. 3
, Every six months
What references are allowed to be brought to the icc (ec) soils
special inspector exam?
Geotechnical testing, observation, and documentation
Soils, earthwork, and foundations
Special inspection manual 2012
International building code 2015
Astm standards as referenced in the ibc
Astm references: (2016)
D 75-14
D 422-63 (2007)
D 698-12e1
D 1556-07
D 1557-12
D 2487-11
D 2488-09a
D 4318-10e1
D 4718-87 (2007)
D 4959-07
D 6938-10
The icc (ec) soils special inspector exam expected range of
knowledge (erk) is divided into content areas:
pg. 4
