This opinion considers the effects of removing the existing bridge and abutments, land-based blasting, in-water pile driving of steel piles, excavation and placement of fill and armor rock, construction vessel traffic, and support operations.
This opinion considers the effects of in-water pile driving of steel piles and mooring dolphins in marine waters, construction vessel traffic, and support operations.
This opinion considers the effects of removing two existing dolphins, in-water pile driving of steel piles (vibratory, impact, and down-the-hole), construction vessel traffic, and support operations.
This opinion considers the effects of removing piles, in-water pile driving of steel piles, hydraulic hammering and shoal removal in marine waters, construction vessel traffic, and support operations.
This opinion considers the effects of all in-water activities, including vessel transit of materials and construction barges, removal and installation of piles, and underwater welding, as well as the associated proposed issuance of an IHA.
This opinion considers the effects of demolition of existing structures and piles, in-water pile driving of steel piles (vibratory and impact), excavation and the placement of fill in marine waters, construction vessel traffic, and support operations.
This opinion considers the effects of the Navy’s Ice Exercise in the winter/spring of 2026. The proposed action involves the establishment of a temporary base camp on Arctic ice in the Beaufort Sea north of Prudhoe Bay, Alaska.