17.31.180 Soils and geological reconnaissance report (soils report).
A. A soils report, prepared by a soils engineer and based upon adequate test borings, shall be submitted unless all of the following conditions are met and a building permit is not required:
1. The site is less than one acre in area and there is less than one thousand cubic yards of excavation or fill;
2. The average slope of the site before grading is less than twenty percent;
3. The proposed excavation is less than five feet deep on land sloping less than twenty percent;
4. The proposed excavation is less than five feet deep on land sloping less than twenty percent;
5. The proposed fill is less than three feet high on land sloping less than twenty percent;
6. The stability of the soil on the site is clearly established as determined by the director of public works.
B. The soils report shall include an adequate description of the geology of the site, and conclusions and recommendations regarding the effect of geologic conditions on the proposed development.
C. The soils report shall include data regarding the nature, distribution and strength of existing soils, and conclusions and recommendations for grading procedures and design criteria for corrective measure when necessary.
D. The soils report shall state or express the opinion that the construction will be stable and will not present a hazard to the adjacent property or to the public in general.
(Ord. 1576 NCS §1 (part), 1984.)