TR-4 Soils (Boring Test Pits) (BC 1704.7.4)
PLEASE NOTE A TR-4 FORM IS REQUIRED ON THIS PROJECT.
1704.7.4 Special inspection of soils investigations, borings and test pits. Boring operations shall be subject to continuous special inspection to verify compliance with Section 1802. Soil sample recovery operations for test pits shall be subject to continuous special inspection to verify compliance with Section 1802.
Exception: Existing boring, test pit and soil investigation records that have been deemed acceptable to the commissioner in accordance with Section 1802.4.2 are not subject to special inspection.