Clover Island Marina Replacement

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Prime Contractor: Advanced American Construction
Owner: Port of Kennewick

Kennewick, WA
January 2006 - December 2007
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Project Details

A winner of the 2008 AGC of Washington Construction Awards in the Heavy/Industrial Category, the Clover Island Marina project was slated for two construction seasons. AAC completed the project in one, allowing the Port of Kennewick to lease boat slips well ahead of the timeframe originally anticipated.

The project included removing the existing marina and replacing it with new moorage structures. The existing marina was 91,500 square feet and had 131 boat slips. The existing marina and boathouse docks were removed during the construction phases. The new marina consisted of three docks (A, B, and C floats) for permanent moorage and one dock for transient moorage for a total of 108,000 square feet and 150 boat slips. The total overwater footprint was increased by 17,000 square feet over previous conditions. A 48 foot long by 12 foot wide approach pier provides access to the docks. Two 80 foot long aluminum gangways descend from the end of the pier to the docks. Docks A, B, & C also have galvanized steel roof structures which AAC had to ballast the concrete floats down to compensate for the building weight as they were installed.

The marina had to remain fully operational during the length of the contract. AAC was able to keep all our equipment confined to our work space which allowed boaters to come in and out of the marina without disruption. AAC phased the construction into 3 sections. As AAC completed one dock section the boaters were allowed to move into the new slips and we could demolish the old section. All boaters were very pleased with the small impacts that this placed on them. The busiest construction time was right in the middle of boating season.

"Your company did a fantastic job. And, I want to especially thank your staff for their professionalism and dedication to the Clover Island Marina project. Their expertise and guidance led to design changes that made our project more viable. Even more impressive is that your company not only finished on budget, but completed construciton a full year earlier than expected-we couldn't have asked for better results. In fact, the marina project was a key componet on the Port's urban revitalization plan; and I can't begin to tell you how important it was from both a quality of life-and an economic development perspective-to get the marina done early."
Tim Arntzen, Executive Director-Port of Kennewick

Project Highlights

  • 81,000 square feet of new covered moorage.
  • 33,000 square feet of new concrete floats.
  • 150 boat slips.
  • 85 each, 16-inch diameter by 60-foot long pipe piles.
  • 3 aluminum gangways.
  • State-of-the-art facility: boat slips include power service pedestals, potable water, dock boxes and overhead fire sprinklers.

Project Photos


  • 2008 Awards

    • Award
      AGC Washington Top Heavy/Industrial Construction Project of the Year
      AGC Washington Top Heavy/Industrial Construction Project of the Year
      The AGC of Washington awarded AAC the Project of the Year Award for the Clover Island Marina Renovation at the Port of Kennewick, Washington. The project was recognized for its exceptional management, completion ahead of schedule and its many benefits to the community and the environment. 

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