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DUKE <br /> KAHANAMOKU Project Summary: <br /> LAGOON PSI and engineer team member developed a plan to <br /> greatly increase lagoon water turnover using saline <br /> groundwater instead of ocean water, reduce the lagoon's <br /> RESTORATION <br /> volume, seal the accumulated sediment beneath a liner, <br /> reroute storm water runoff away from the lagoon, and <br /> Planning Solutions, Inc. replenish the sand that had eroded from the beach. The <br /> restoration has been widely hailed as exceptionally <br /> Client: Hilton successful, turning what had become an unused backwater <br /> into a center of recreational activity. <br /> PSI Role: Prime <br /> Documents Prepared: <br /> 3 <br /> • Draft EA (HEPA) f " <br /> • Final EA (HEPA) ^rvr <br /> • Permit applications <br /> Vgyark <br /> Approvals Obtained: <br /> • FONSI <br /> • CDUP v :, <br /> r <br /> • Section 404 Individual Permit "—� .o�•w <br /> • Section 401 WQC \\ . <br /> gmm <br /> • CZM <br /> Lagoon restoration layout plan(red dashed line illustrates previous extent of lagoon). <br /> • SMP Major <br /> • NPDES Construction NGPC Detail: <br /> • NPDES Operations <br /> Once Hilton agreed to the restoration concept, PSI's team <br /> • Special District obtained all the necessary approvals and permits in 2 <br /> • Planned Development Resort years within the budget. Construction was complete two <br /> • Well permits years later in 2007. <br /> As with all complex projects, PSI maintained a detailed <br /> Commence: 2003 schedule to ensure tasks were conducted in parallel to the <br /> maximum extent possible, which shortened the overall <br /> Complete: 2005 permitting schedule. <br /> Hilton was pleased with PSI's performance and has <br /> Budget: S600 000 <br /> retained PSI to conduct permit-required annual water <br /> quality monitoring since the lagoon reopened. <br /> n <br /> 711 Kapi`olani Boulevard,Suite 950 r n <br /> Honolulu, Hawaii 96813-5213 <br /> Phone:808-550-4483•www.psi-hi.com <br />