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FIRM OVERVIEW AND BACKGROUND <br /> tht m,.No ar nft.-{)pI ..,.. <br /> Decentralized Wastewater System <br /> .�: ' Pilot Demonstration Project <br /> , x .. <br /> UNIVERSITY OF NEW MEXICO,ENVIRONMENTAL FINANCE CENTER,ALBUQUERQUE,NEW MEXICO <br /> - _ - Client Reference: <br /> _ _ Dawn Nall,Project Manager <br /> Environmental Finance Center,The University of New Mexico <br /> _ 505.277.0644 / dnall@unm.edu <br /> Carollo is working closely with the Community of Puako located <br /> north of Kailua-Kona on Hawaii Island on a Decentralized Wastewater Project Highlights <br /> System Pilot Demonstration Project.There are approximately • Evaluating decentralized systems to provide <br /> 130 cesspools in the Puako community that must be upgraded or an example of how they may be applied to <br /> connected to a sewer system by 2050.The Puako-Mauna Lani coral <br /> reefs are located just offshore,and recent studies showed that the cesspool conversions. <br /> coral cover was reduced by 50 percent between 1970 and 2010.The • Developing an RFP for demonstration plant. <br /> likely cause of this reduction is wastewater generated and discharged Providing community outreach and education <br /> from nearby cesspools.The project is an EPA grant-funded,national <br /> study and Carollo is a subconsultant to the University of New Mexico, on decentralized systems. <br /> Environmental Finance Center(UNM EFC). • Providing a range of training to help implement <br /> decentralized systems. <br /> Summary of Scope <br /> Carollo performed a planning level evaluation of a 50,000 gallons <br /> per day decentralized or satellite wastewater collection,treatment, <br /> and effluent management system for Puako's cesspool conversions. n <br /> Wastewater collection options explored include gravity and low 0 <br /> pressure sewer systems.The satellite plant will include membrane 1 z o <br /> bioreactors and UV disinfection to produce R-1 quality effluent. H.3Na: < Z <br /> Effluent management options include water reuse and an alternate -<. am <br /> effluent disposal method by injection well.Carollo also provided ? _ <br /> community outreach and education by presenting a summary of the ex,r a <br /> T,%.9nkn TI,N,FER 5T ON <br /> decentralized system to Puako residents and other stakeholders. o1 <br /> K '- <br /> c <br /> c D <br /> Carollo also developed a request for proposal(RFP)to procure ,xE„s,t,ti,„„z,0Y Z z <br /> rATHOI it CHURCH <br /> and install a modular,decentralized treatment demonstration --.., -4,- G) <br /> ',TAM.l9 AO M1C][R m <br /> plant at the Kealakehe Wastewater Treatment Plant.The o m <br /> intent of the demonstration plant is to show the community z <br /> how decentralized treatment works,and the benefits of -0 m <br /> D <br /> R-1 water.Carollo will also provide technical training on Z <br /> decentralized wastewater systems through the UNM EFC. cnm o <br /> � o <br /> F,.ko Z <br /> y Ph PHk m <br /> m w <br /> Hyena <br /> 7=1 <br /> n <br /> �IiAR)PIWIECT AREA I)' <br /> w.anrvi m Z <br /> ° DD <br /> Carollo's pilot demonstration =.;.:-:;, ,.. Z m <br /> study and training are intended ., a�c. Ko <br /> to provide guidance for others to �a ° m <br /> 0 c.,.......,,....., N <br /> convert clusters of cesspools using . = > N <br /> decentralized wastewater systems. °°°``a ;�,• <br /> o <br /> r <br /> Z <br /> A <br /> CAROLLO / QUALIFICATIONS /JUNE 2024 5 <br /> \\io-bd-1\BD-DATA\Marketing\Pursuits\CIient83(HON)\HawaiiCounty\EnvMgmtDept\On-Call FY24-25\Qua10624\PL.4-CommunityPlanning_Community\Indd\O1_FirmOverview_PL4 <br />