REAR RETAINING WALLS ONLY. NW-Planning. SPECIAL INSPECTIONS ON EPOXY DOWELING - Any new walls will need subgrade inspection prior to pouring concrete. Jason Taylor. 208-608-7171 - Permit to build retaining walls. All work per approved plans, engineering, & local code. Footings are not below frost grade, applicant assumes responsibility for any wall movement. **JAB** A letter from the applicant’s geotechnical engineer indicating that the footing/column subgrade is acceptable must be approved by Public Works prior to scheduling a footing inspection. Please allow 24 hours for subgrade approval processing. Call Melissa Jannusch at 208-608-7168