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ii 1982 EDITION APPENDIX Chapter 70 EXCAVATION AND GRADING Purpose Sec. 7001. The purpose of this chapter is to safeguard life, Limb, property and the public welfare by regulating grading on private property. Scope Sec. 7002. This chapter sets forth rules and regulations to control excavation, grading and earthwork construction, including fills and embankments; estab- lishes the administrative procedure for issuance of permits; and provides for approval of plans and inspection of grading construction. Permits Required Sec. 7003. No person shall do any grading without first having obtained a grading permit from the building official except for the following: I. Grading in an isolated, self- contained area if there is no danger apparent to private or public property. 2. An excavation below finished grade for basements and footings of a build- ing, retaining wall or other structure authorized by a valid building permit. This shall not exempt any fill made with the material from such excavation nor exempt any excavation having an unsupported height greater than 5 feet after the comple- tion of such structure. 3. Cemetery graves. 4. Refuse disposal sites controlled by other regulations. 5. Excavations for wells or tunnels or utilities. 6. Mining, quarrying, excavating, processing, stockpiling of rock, sand, grav- el, aggregate or clay where established and provided for by law, provided such operations do not affect the lateral support or increase the stresses in or pressure upon any adjacent or contiguous property. 7. Exploratory excavations under the direction of soil engineers or engineering geologists. 8. An excavation which (a) is less than 2 feet in depth, or (b) which does not create a cut slope greater than 5 feet in height and steeper than one and one -half horizontal to one vertical. 9. A fill less than 1 foot in depth and placed on natural terrain with a slope flatter than five horizontal to one vertical, or less than 3 feet in depth, not intended to support structures, which does not exceed 50 cubic yards on any one lot and does not obstruct a drainage course. Hazards Sec. 7004. Whenever the building official determines that any existing excavation or embankment or fill on private property has become a hazard to life and limb, or endangers property, or adversely affects the safety, use or stability of a public way or drainage channel, the owner of the property upon which the excavation or fill is located, or other person or agent in control of saki pmperty, 5 129