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A. Supervised grading required. All fills used or intended to be used for the support of foundations of structures and, when required by the Planning and Development Director, all grading affecting stability of adjacent property, shall be performed under the supervision of an engineer registered in the State of Arizona and shall be designated "supervised grading." Grading not supervised in accordance with this section shall be designated "regular grading."

B. Regular grading requirements. The Planning and Development Director may inspect the work, and may require adequate inspection and compaction control by a soils testing agency.

C. Supervised grading requirements. For supervised grading, it shall be the responsibility of the supervising engineer to supervise and coordinate all site inspection and testing during grading operations. Geotechnical reports shall also be required as specified in Section 32A-9. All necessary reports, compaction data, and soils engineering and engineering geological recommendations shall be submitted to the Planning and Development Director by the supervising engineer.

Geotechnical reports certifying the compaction or acceptability of all fills shall be required except as exempted by Section 32A-15.C. These shall include, but not be limited to, inspection of areas cleared, compacted, and otherwise prepared to receive fill; the placement and compaction of fill material; and the inspection or review of the construction of retaining walls, subdrains, drainage devices, buttress fills, and similar measures.

D. Notification of noncompliance. If, in the course of fulfilling his responsibility under this chapter, the supervising engineer finds that the work is not being done in conformance with this chapter or the plans approved by the Planning and Development Director, he shall immediately notify the person in charge of the grading work and Planning and Development Department in writing of the nonconformity and of the corrective measures to be taken. (Ord. No. G-1177, § 1; Ord. No. G-1192, § 1; Ord. No. G-1203, § 3; Ord. No. G-3313, § 1; Ord. No. G-5590, § 1, 2011; Ord. No. G-5707, 2012)