Subcontractor shall furnish all labor, material, and equipment to perform the operations necessary to complete all excavation & grading work as indicated on the soils report, grading plans and specified herein, including but not necessarily limited to the following: a. All proposed building pads must be striped and excavated, worked until uniform and free from large clots, moisture-conditioned to at or above optimum moisture content, and recompacted as per soils report. Recompact to a minimum of 90% of maximum density based on ASTM Test Method D1557. b. Over excavation should extend to a minimum of 5 feet beyond structural elements. c. Prior to backfilling the bottom of the excavation should be proof-rolled and observed by third party inspector to verify stability. d. The proposed structured foundations must be supported by the recommended inches of engineered fill mentioned on the soils report. e. Backfill and compact to 90% grade to tolerance based on ASTM Test Method D1557. f. All proposed parking, landscape and flatwork areas must be striped and excavated, worked until uniform and free from large clots, moisture-conditioned to at or above optimum moisture content, and recompacted as per soils report. Recompact to a minimum of 90% of maximum density based on ASTM Test Method D1557. g. Over excavation should extend to a minimum of 2 feet beyond pavement and flatwork. h. Prior to backfilling the bottom of the excavation should be proof-rolled and observed by third party inspector to verify stability. i. Final Grade Site prior to flatwork and landscape. Include separate mobilization.
