2. Location of underground obstructions and
existing utilities;
3. Location and record of soil borings and test
pits. Include ground water observations and topsoil
thickness encountered in boring, soil
classifications, and properties such as moisture
content and Atterberg limit determinations;
4. Location of borrow and disposal area if located
on Government property;
5. Clearing stripping and grubbing limits, if
different from clearing limits;
6.
Areas to be seeded;
7.
Hydrological data where available;
8. Shoring and sheeting required (trench protection
is specified in Corps of Engineers Manual EM
385-1-1); and
9.
Pipe trench excavation details.
10.
Location and limits of hard material (rocks);
11. Details of special construction such as under
railroad and highways right-of-way requirements for
jacking and boring;
12. Details of sewage absorption trenches,
absorption pits, and subsurface drains.
**************************************************************************
1.1
REFERENCES
**************************************************************************
NOTE: Issue (date) of references included in
project specifications need not be more current than
provided by the latest guide specification. Use of
SpecsIntact automated reference checking is
recommended for projects based on older guide
specifications.
**************************************************************************
The publications listed below form a part of this specification to the
extent referenced. The publications are referred to within the text by the
basic designation only.
AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS
(AASHTO)
AASHTO T 180
(2001) Moisture-Density Relations of Soils
Using a 4.54-kg (10-lb) Rammer and an
457-mm (18-in) Drop
AASHTO T 224
(2001) Correction for Coarse Particles in
the Soil Compaction Test
SECTION 02300
Page 5
Previous Page
