(a) Bedding and backfill shall consist of fine granular material free of:
- (1) Lumps;
- (2) Clods;
- (3) Stones; or
- (4) Other debris.
- (b) Backfill shall be compacted by mechanical tamping with controlled moisture.
- (c) Bedding shall be placed to a depth of six inches (6”) or half the diameter of the pipe, whichever is less.
- (d) Backfill for bore pits shall be thoroughly compacted to match grade and density equal to or exceeding the surrounding undisturbed soil.
- (e) Consolidation of backfill by saturation or ponding with water shall not be permitted.