SOIL IMPROVEMENT AND BACKFILL
We shall provide all materials, labor, equipment, transportation and other items required to perform excavation, backfilling and compaction Work as indicated or as required to accomplish Work of other sections of these specifications. All excavation, backfilling and compaction Work shall be in accordance with applicable regulations.
Shall be readily compactable and shall be free from alkali, salt, and petroleum products, roots, sod, limbs, and other vegetative matter, slag, cinders, ashes and rubbish, or other material that in the opinion of the Engineer may be objectional or deleterious.
In geographical areas where coarse-grained soils and aggregate are not available or feasible, the use of soil-cement mixes are common to help stiffen and strengthen available soils. Local construction specifications and practices should be used in these geographical areas. In general, a good understanding of the optimum moisture-density relationship of the soil with and without blended cement is necessary.
We provide the ideal backfill material Granular fill with a good particle size distribution Resistant to breakage or deterioration during placement, compaction, and under service load
We evaluate the use of slag, foundry sand, or bottom ash including:
- Placing open-graded stone around large structures requires
- Placing a non-woven geotextile between opengraded stone and native soils