Marine Construction

Marine Construction Technologies makes a pile that drives quietly. Its design puts a specialized shoe in the last few feet of the pile, cutting the noise of impact driving by over 20 decibels, which brings it under the threshold that injures fish and marine mammals. Existing mitigation manages a few decibels, and the standard approach, a curtain of bubbles around the pile, stops at the seafloor while the noise keeps going through it.

Every bridge, ferry terminal, port, and offshore foundation starts with pile driving, and the noise is why marine construction carries multi-year permitting, work windows of a few months a year, and stoppages whenever a protected animal swims past. That regime exists for good reason: the sound is loud enough to kill. Quieting the pile itself, rather than wrapping the water around it, is what would let the infrastructure and the wildlife stop trading against each other.