2007 California Government Code Chapter 3. Backfilling Excavations With Native Spoil

CA Codes (gov:4200-4201)

4200.  As used in this chapter:
   (a) "Competent spoil" means soils that can be treated to bring
their moisture content into the optimum range, and that can achieve
the compaction required by the city or county in whose jurisdiction
an excavation is located.
   (b) "Excavation" means any operation in which earth, rock, or
other material in the ground is moved, removed, or otherwise
displaced by means of tools, equipment, or explosive in any of the
following ways:  grading, trenching, digging, ditching, drilling,
augering, tunneling, scraping, pipe plowing and driving, or any other
way.
   (c) "Local agency" means any city, county, city and county,
special district, school district, or other political subdivision of
the state.



4201.  Any local agency that undertakes or contracts for an
excavation for the installation, removal, maintenance, or repair of
underground facilities may backfill that excavation in any local
agency public road or highway with native spoil if the conditions in
subdivisions (a), (b), and (c) are met.  Where the excavation is
performed by contract, use of native spoil shall be permitted unless
otherwise specified in the contract documents.
   (a) The native spoil is competent spoil.
   (b) Compaction meets the local agency's requirements, using
industry standards for testing compaction.
   (c) The local agency or its contractor has no physical evidence
of, or substantial reason to believe that there has been,
contamination of the soil from hazardous waste.