Type
|
Definition
|
---|---|
CA-3
|
Coarse aggregate per NYSDOT, Sec. 703, Size
Designation 3A
|
CL
|
Clay per ASTM D 2487, Classification CL
|
DG-1
|
Dense-graded aggregate per NYSDOT Sec. 304;
Type 4
|
DG-3
|
Dense-graded aggregate per NYSDOT Sec. 302;
granular material
|
E
|
Selected earth having an in-place density of
at least 100 PCF; less than 4% organic materials; free of peat, frozen
materials, deleterious materials, and rocks over 4 inches in diameter
|
GM-1
|
Granular material per NYSDOT Sec. 304, Type
2
|
GM-2
|
Granular material per NYSDOT Sec. 304, Type
I
|
GM-2A
|
Granular material per NYSDOT Sec. 304, Type
I except maximum size 1/2 inch
|
NS
|
Natural sand; clean, hard, durable particles
of sand resulting from natural disintegration of rock, well-graded
from coarse to fine with 100% passing the 1/4-inch sieve and not over
7% passing the No. 200 sieve
|
PG
|
Pea gravel; clean, hard, durable, free flowing,
naturally rounded particle of rock, free from clay lumps, with 100%
passing the 3/8-inch sieve and not over 5% passing the No. 8 sieve
|
RIP-RAP
|
Sound, durable boulders or rock, well graded,
of sizes 8 inches minimum to approximately 36 inches maximum in either
dimension, weighing not less than 50 pounds each, except as needed
for filling in spaces between the larger pieces
|
TOPSOIL
| |
1. For removal
|
A surface soil layer containing organic matter
such as roots or humus, and having a weight loss of 5% or more on
ignition at 600º C. for three hours when compared with the oven
dry weight as determined by ASTM D 2216-80, or most current designation
|
Refer to § 199-24 for topsoil stripping requirements
| |
2. Project-usable
|
Selected, fertile, friable loam, stripped from
the upper 12 inches and having a weight loss of 6% to 12% when tested
per 1. above; free from subsoil, heavy clay clumps, stones, grass
clumps, roots larger than 1/8 inch in diameter, or other objectionable
matter such as garbage or rubbish
|
Refer to § 199-24 for topsoil placement requirements
| |
UNSUITABLE SOIL
|
Any soil not meeting the requirements of the
material definitions in this section
|
Application
|
Type
|
Maximum Lift Thickness in Inches - Loose
Measure For Machine Compaction
|
Required Compaction Percent
| ||
---|---|---|---|---|---|
1.
|
FILL
| ||||
Interior areas to bottom of aggregate base,
and exterior to 3 feet outside structure wall lines
|
GM-2
|
8
|
95%
| ||
Under exterior slabs, pavements, or other improved
surfaces of concrete, bituminous, or aggregate beyond 3 feet outside
any building wall lines
|
a.
|
More than 18 inches below subgrade
|
E
|
8
|
90%
| |
b.
|
Subgrade to 18 inches below subgrade
|
E
|
8
|
95%
|
Other locations
|
E
|
12
|
90%
| ||
2.
|
BACKFILL (TO SUBGRADE)
| ||||
Under portland cement or bituminous concrete,
or aggregate surfaced areas, such as roads, walks, and parking lots,
including work in existing or future locations
|
GM-2
|
8
|
95%
| ||
Where trench shoulder adjacent to areas described
above is 2 feet or less
|
GM-2
|
8
|
95%
| ||
Where new work crosses under previously constructed
utilities
|
GM-2
|
8
|
95%
| ||
Other exterior areas not described above
|
E or GM-2
|
8
|
90%
| ||
Interior areas to bottom of aggregate base,
and exterior to 3 feet outside any building wall lines
|
GM-2
|
12
|
95%
| ||
3.
|
SUBGRADE: Compaction same as noted for fill
or backfill for same type of area
| ||||
4.
|
AGGREGATE SUBBASE
| ||||
Bituminous pavement
|
GM-2
|
8
|
95%
| ||
5.
|
AGGREGATE BASE
| ||||
Bituminous pavement
|
DG-1
|
8
|
95%
| ||
Concrete pavement
|
DG-1
|
8
|
95%
| ||
Concrete slabs
|
GM-1
|
12
|
95%
| ||
Walks
|
GM-2
|
12
|
95%
| ||
6.
|
EMBEDMENT (BEDDING AND INITIAL BACKFILL)
| ||||
Culvert pipes, but excluding underdrains
|
GM-2A
|
6
|
90%
| ||
Catch basins
|
GM-2A
|
6
|
90%
| ||
Headwalls
|
GM-2A
|
8
|
95%
| ||
* Consolidate the material thoroughly, by probing
or tamping near the catch basins, culverts, and utilities as necessary,
giving special attention to bedding under these structures.
| |||||
Direct burial cable and direct burial conduit
|
NS
|
6
|
90%
| ||
Underdrains
|
CA-2
|
6
|
90%
| ||
7.
|
CLAY SEAL
| ||||
At ends of culverts
|
CL
|
6
|
90%
| ||
Under slabs or pavements of concrete, bituminous
or aggregate, as a seal for tops of excavations where shown on the
approved plans
|
CL
|
6
|
95%
| ||
All other exterior locations as a seal for tops
of excavations where shown on the approved plans
|
CL
|
8
|
90%
| ||
8.
|
AGGREGATE SURFACE
| ||||
General purpose
|
DG-3
|
6
|
95%
| ||
9.
|
TOPSOIL
|
(Pro- ject-
usable)
|
8
|
Same as adjacent natural soil
| |
10.
|
RIP-RAP
|
For use in erosion control, at end of culvert
end sections, and to line drainage ditches
|