Specifications include, but are not limited to: Area disturbed, shall be backfilled, and cleaned and dressed and left in a neat condition acceptable to the City of Jonesboro. The Contractor shall furnish concrete, flowable fill, aggregate base course class 7, fill sand, backfill soil, expansion, key-ways and any other materials required for proper installation. Contractor shall perform cleanup of all debris after completion of sections. Unclassified Excavation shall consist of the excavation and disposal of all materials of whatever character encountered in the work. Borrow material shall consist of a soil, or a mixture of soil and stone or gravel or other acceptable material, reasonably free from sod, stumps, logs, roots, or other perishable or deleterious matter, and shall be capable of forming a stable embankment when compacted.