(1) The applicant shall submit reports on geotechnical engineering, soils engineering, engineering geology, groundwater and liquefaction when required by this chapter or chapters 16, 18 or 33 of the IBC as part of the land disturbing activity permit application. Reports shall be prepared and stamped by an engineer or hydrogeologist licensed in Washington State. Reports shall be prepared to meet the technical requirements identified in the Drainage Manual for stormwater management and control. The department shall review the reports and ensure that all appropriate recommendations in the reports are reflected on the land disturbing activity site plans.

(2) During review of the land disturbing activity permit application, if the department determines that geologic, hydrologic, or soil conditions may present special grading or drainage conditions which may damage a public right-of-way or county property, or that may pose a substantial threat to public health, safety or welfare, the department may require the applicant to submit a geotechnical engineering report that includes a soils engineering report and/or an engineering geology report pursuant to SCC 30.63B.230 and 30.63B.240 and chapters 16, 18 and 33 of the IBC. (Added by Amended Ord. 10-023, June 9, 2010, Eff date Sept. 30, 2010; Amended by Ord. 15-103, Jan. 11, 2016, Eff date Jan. 22, 2016).