The proposed project is a three-year pilot project that would replace portions of existing rip-rap at three installation sites on Harbor Island with biologically-enhanced concrete units interlocking into a tidal pool system (tidal pool system). The installation sites would include Harbor Island Park,Spanish Landing Park East, and the western
tip of Harbor Island. The tidal pool systems are designed to create water retaining elements which are absent in most urban waterfronts. The tide pools would provide shoreline stabilization while simultaneously creating a well-defined local ecosystem that mimics natural rock pools typical to rocky coasts, as well as increase local
biodiversity and biological productivity. Each site would consist of the replacement of
approximately 15 feet wide by 42 feet long area of rip-rap, for a total square footage of 630 square feet per site. A five-foot buffer in each direction of the installation site, for total project area of 3,900 square feet spread amongst the three installation sites. Each installation site is positioned to be intermittently submerged by the tide and therefore, will not encroach into public park space.
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