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1809.4 Installation of Driven Piles
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Driven piles shall be installed in accordance with Section 1808.2.6 and Sections 1809.4.1 through 1809.4.3.
Piles that have heaved during the driving of adjacent piles shall be redriven as necessary to develop the required capacity and penetration, or the capacity of the pile shall be verified by load tests in accordance with Section 1808.4.
Vibratory drivers shall only be used to install piles where the pile is subsequently seated by an impact hammer to the final driving criteria established in accordance with Section 1809.3.
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