// CODE SNIPPET
306.2.2 Rock Removal
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Where rock is encountered in trenching, the rock shall be removed to not less than 3 inches (76 mm) below the installation level of the bottom of the pipe, and the trench shall be backfilled to the installation level of the bottom of the pipe with sand tamped in place so as to provide uniform load-bearing support for the pipe between joints. The pipe, including the joints, shall not rest on rock at any point.
Related Code Sections
306.2.2 General Regulations, Rock Removal
Where rock is encountered in trenching, the rock shall be removed to not less than 3 inches (76 mm) below the installation level of the bottom ...
306.2.2 General Regulations, Rock Removal
Where rock is encountered in trenching, the rock shall be removed to not less than 3 inches (76 mm) below the installation level of the bottom ...
306.2.2 General Regulations, Rock Removal
Where rock is encountered in trenching, the rock shall be removed to a minimum of 3 inches (76 mm) below the installation level of the bottom ...
Section 306 General Regulations, Trenching, Excavation and Backfill
Where rock is encountered in trenching, the rock shall be removed to a minimum of 3 inches (76 mm ...
1803.5.6 Soils and Foundations, Rock Strata
Where subsurface explorations at the project site indicate variations in the structure of rock on which foundations are to be constructed ...