Specification
|
Gradation Type
|
Sieve Size Designation
|
Percent Passing By Weight
| |
---|---|---|---|---|
NYSDOT 304-2.02
|
1
|
3 inch
|
100
| |
2 inch
|
90 to 100
| |||
1/4 inch
|
30 to 65
| |||
No. 40
|
5 to 40
| |||
No. 200
|
0 to 10
| |||
2
|
2 inch
|
100
| ||
1/4 inch
|
25 to 60
| |||
No. 40
|
5 to 40
| |||
No. 200
|
0 to 10
| |||
3
|
4 inch
|
100
| ||
1/4 inch
|
30 to 75
| |||
No. 40
|
5 to 40
| |||
No. 200
|
0 to 10
| |||
4
|
2 inch
|
100
| ||
1/4 inch
|
30 to 65
| |||
No. 40
|
5 to 40
| |||
No. 200
|
0 to 10
| |||
Underdrain filter
(NYSDOT 605-2.02)
|
II
|
1/2 inch
|
100
| |
1/4 inch
|
20 to 100
| |||
No. 10
|
0 to 15
| |||
No. 20
|
0 to 5
|