Geotechnical investigations shall be conducted in accordance with Sections 1803.3 through 1803.5.
Exception: The building official shall be permitted to waive the requirement for a geotechnical investigation where satisfactory data from adjacent areas is available that demonstrates an investigation is not necessary for any of the conditions in Sections 1803.5.1 through 1803.5.6 and Sections 1803.5.10 and 1803.5.11.
780 CMR, 1803.2