Pipe bedding and backfill materials shall meet the following specifications:
(A) Pipe Bedding. Pipe bedding shall consist of crushed stone or crushed gravel meeting the NYSDOT specification Section 703-02, being No. 1 stone.
(B) Select backfill. Select backfill shall be NYSDOT approved gravel meeting the requirements of NYSDOT Specification Section 304-2.02 Type 4 with a size gradation as follows:
Sieve Size | Percent Passing By Weight |
1/4 inch | 30 to 65 |
No. 40 | 5 to 40 |
No. 200 | 0 to 10
|
(C) Backfill and fill materials. Excavated materials may be used for backfill provided:
(1) Material is sandy, loamy, or similar to bank run gravel;
(2) Material is free of debris, hazardous materials, frozen materials, organic, or other deleterious materials;
(3) Material greater than six inches in any direction is unacceptable.
(Ord. 2-2009, passed 3-23-2009)