Alaska Online Public Notices #POA-2020-00112 v1.0

Water Quality Certification for South Harbor Cove Mixed-Use Construction Project

This opportunity involves a water quality certification application for a construction project at South Harbor Cove, Alaska. - Government Buyer: - Alaska Department of Environmental Conservation - Applicant: RM Ketchikan (Chris Piburn) - Project Scope: - Construction of a two-story mixed-use building (office space and rental rooms) to support the mariculture industry - Shoreline stabilization using a 120-foot precast concrete ecology block retaining wall - Installation of fourteen 16-inch galvanized steel piles - Placement of approximately 4,500 cubic yards of clean screened quarry rock as fill below the high tide line - Mechanical dredging of about 500 cubic yards to improve vessel access - Products/Services Requested: - Precast concrete ecology block retaining wall (120 feet long, ~10 feet high) - Fourteen 16-inch galvanized steel piles - 4,500 cubic yards of 2-foot minus shot rock - Dredging services (500 cubic yards) - Construction services for a two-story mixed-use building - Unique Requirements: - Project sited within an existing harbor to minimize environmental impact - Use of silt booms and scheduling work during low tides to reduce water quality impacts - No compensatory mitigation required due to the developed nature of the site - OEMs: No specific OEMs or manufacturers are named in the solicitation - All work must comply with Clean Water Act Section 401 standards and state water quality regulations

Description

This notice announces an application for a Clean Water Act Section 401 Water Quality Certification related to a Department of the Army Permit for discharging dredged and/or fill materials into waters of the United States at South Harbor Cove, Alaska. The project involves constructing a two-story building with office space and rental rooms to support the mariculture industry, bank stabilization with a precast concrete retaining wall, and dredging approximately 500 cubic yards to improve vessel access. The applicant proposes mitigation measures including avoidance by selecting a location within an existing harbor, minimization through use of screened shot rock and silt booms, and no compensatory mitigation due to the developed nature of the site. Public comments are invited until August 10, 2026.

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