Kapolei Business Park Wastewater Pump Station

The Kapolei Business Park Wastewater Pump Station will provide critical sewage handling facilities for the city of Kapolei. The project involved construction of a new wastewater pump station with a pumping capacity of 5.79 million gallons per day, complete with a new emergency generator. The permanent sewage and wastewater improvements will serve the rapidly expanding…

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Sand Island Wastewater Treatment Plant

The Sand Island Wastewater Treatment Plant is Honolulu’s largest plant, processing an average of 65 million gallons of wastewater a day. Hawaiian Dredging has collaborated on many improvement projects to keep this vital facility working efficiently. Hawaiian Dredging constructed three new odor control systems utilizing state-of-the-art biological odor scrubbers with the capacity to treat 120,000…

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Whiskey Wharves Repair

All Navy munitions coming in and out of Oahu pass over the Whiskey Wharves in Pearl Harbor. This ~1.5 acre piece of real estate was ready for repair after over 60 years of heavy use. The Navy hired Hawaiian Dredging to repair the wharves without impacting shipping operations. The work demanded skill and extreme caution…

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Maui Business Park

A new wave of economic development is hitting Maui’s shores. Property development is on the rise in support a growing middle class. Investments are being made by stores that supply this demographic, including Wal-Mart, Costco, and K-Mart. New businesses continue to buy in, giving way to a 38 acre site that was recently scheduled for…

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Maalaea Small Boat Harbor Improvements

In Hawaii the ocean is the center for recreation and commerce. Our harbors form the gateways to the life we enjoy. The popular Maalaea Small Boat Harbor, located in Maalaea on the south end of Maui, is at the island’s heart and soul. Through long use and erosion the harbor facilities were reduced to a…

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HECO CIP Power Station

About a half century had passed since the last power plant was built in our state. Hawaiian Dredging was commissioned to assemble the newest facility with its 110MW biodiesel turbine generator. Campbell Industrial Park would be the new home for the facilities. The site needed new operations buildings, fuel tanks, water storage and treatment, piping,…

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In-Vessel Bioconversion Facility

Hawaiian Dredging constructed a bioconversion processing facility that transforms the 50 million gallons of waste water residents generate each day into a marketable fertilizer. The product is sold and used throughout the state. Each day Sand Island Waste Water Treatment Plant processes about the same volume of waste as 50 cruise ships could carry in…

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Kaunakakai Harbor
Ferry System Improvements

Kaunakakai Harbor on Molokai’s southern coast is home to recreational boats, the Department of Boating and Ocean Recreation, Department of Transportation, and is the landing point for the Molokai Princess ferry. Visitors who travel here by boat arrive at this 1930s landmark built by the Army Corps of Engineers. With age the ferry terminal had…

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