TMK 7-5-018-071 - KVDC Design - Kona Reef Condos

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County of Hawai'i Planning Department, KVDC Proiect Site: The proposed project site is the approximately 3.08 -acre Kona Reef Condominium Complex property. It is a 40 -year-old 100% built out condominium complex. The project will he confined to the southern half of the roughly 430 -foot long strip of the complex's oceanfront lawn. The adjoining offshore area is an exposed shelf of overlapping pahoehoe flows strewn with rocks of all sizes, that extend randomly into the ocean. To the north of the project area is a long-standing private residence, adjacent to the south is Hawaii County's Wai'aha Beach Park, better known as Honl's Beach. Construction Details: The time needed to build the proposed project will be between 1 and 2 months. The duration of the project, the work hours and work days will depend entirely on up -to -the minute ocean and other environmental conditions. All construction and supporting activities will be performed entirely above the shoreline. The proposed CRM wall would be built on Kona Reef's private property approximately 1 -foot inland of the Hawaii State Certified Shoreline. It would start near the southwest corner of the property and continue in a northwesterly direction along a path roughly parallel to the certified shoreline for approximately 220 -feet. A large part of the wall will top out at a few inches lower than the lawn height and be backfilled from both sides over the top allowing grass to cover it completely. In the remaining areas it will be built to site dictated conditions and backfilled accordingly. At no point will the structure exceed the height of the existing lawn. Structure Dimension Details: The project will be an engineered concrete -rubble masonry (CRM or rock) wall. The proposed wall, when finished, will be between 12 to 36 inches wide at its base, vary in height from approximately 12 to 60 inches, and be 12 to 18 inches wide across the top. The concrete foundation of the wall will be 12 -inches inland of and run roughly parallel to the certified shoreline making the top of the wall a little farther inland because the ocean face of the wall slopes inward. Structural Caveat: As with all construction projects that include excavation, unseen onsite conditions can require adjustments to the physical dimensions of the project. The above -stated dimensions are cited as variables because they will vary at different points along the length of the project to maintain design specifications. The structures final dimensions will depend entirely on the depth needed to achieve solid foundation anchoring. If further explanation is needed please request it. Any adjustments to the wall's size beyond the stated parameters will be submitted to and vetted by appropriate agencies and/or individuals before being implemented. Please send and refer all correspondences to: Ra mond S. Pieri Oayvm*on.seri Project Manager Page 2 of 4 I