1803.6 Geotechnical reports.
BC § 1803.6
A geotechnical engineering report shall be prepared for all sites and submitted to the commissioner. Exception: One- and two-family dwellings no more than three stories in height shall not require a geotechnical report except where any of the following exist: 1. Shallow foundations are used that bear on or above compressible soils (see Section 1803.4.4), uncontrolled fill (see Section 1806.2.3), or artificially treated soils (see Section 1806.2.4); 2. Underpinning is required; 3. The structure is within the special flood hazard area; 4. Dewatering is required; 5. Test pits are implemented in lieu of borings as per Section 1803.4.1; or 6. As required by the commissioner.













