Table 2 - Sound Power Levels for Percussive Piling Piling Method* and Pile Type Sound Power Level (dB(A)) Diesel hammer driving pre-stressed concrete pile 128 Diesel hammer driving steel pile 132 Diesel hammer driving steel sheet pile 132 Drop hammer driving concrete pile 116 Drop hammer driving steel pile 126 Drop hammer driving steel sheet pile 129 Hydraulic hammer (double acting) driving pre-stressed concrete pile 126 Hydraulic hammer (double acting) driving steel pile 129 Hydraulic hammer (double acting) driving steel sheet pile 129 Hydraulic hammer (single acting) driving pre-stressed concrete pile 122 Hydraulic hammer (single acting) driving steel pile 126 Hydraulic hammer (single acting) driving steel sheet pile 126 Internal drop hammer 113 Pneumatic or steam hammer (double acting) driving steel sheet pile 135 Pneumatic or steam hammer (single acting) driving steel pile 130 * These terms are defined in Section 1.3
