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NOISE SHIELD SECTION
AIR IMPEDANCEGAP
CARBON STEELINNER PIPE
CARBON STEELOUTER PIPE
BUBBLECURTAIN
AIRBUBBLES
PILE
DROP GATE ASSEMBLYDROP GATE ASSEMBLY
NOISE SHIELDNOISE SHIELD
PILE PILE
AIR PIPE
PILE GATE
WATER LEVEL
SEA BED
A modified piling gate, incorporating innovative best practice air impedance gap and air bubbles, will be used during pile driving to significantly reduce underwater noise transmission.This has been modelled by underwater noise specialists and reduces any behavioural and physical impacts to marine mammals to less than 200m, well within the 1km marine exclusion zone.
Marine piling gate
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MarineGranite Island Causeway Project
[email protected] 794 880