E93 Craig Fitzgerald - Noise and Vibration - RE – Applicant [pdf, 11 MB]
...locations are shown: Figure 6: Hobson Wharf. Figure 7: Breakwater 2. Figure 8: Breakwater 1. Vibro piling works will be very short in duration (approximately 1 – 2 minutes per pile). Therefore, the zones of influence for vibro piling will be negligible (i.e. <20m) and not addressed in detail. These zones include the mitigation measures of a wooden cushion between the impact hammer and pile cap. Refer to Appendix C for a description of these mitigation measures....