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FIRM OVERVIEW AND BACKGROUND
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<br /> Montecito Water and Sanitary Districts, CA ,, ,,
<br /> Enhanced Recycled Water Feasibility Study
<br /> This collaborative project evaluates a broad range of non-potable and City of San Diego, CA
<br /> potable recycled water projects,including incorporation of the California Pu reWater San Diego
<br /> Draft Direct Potable Reuse regulations.
<br /> The City is implementing the Pure Water San Diego Program that will
<br /> This project incorporates four distinct approaches to identify Montecito's generate one third of San Diego's potable water supply using recycled water.
<br /> preferred method of maximizing wastewater reuse capabilities.The potential In early 2015,the City retained Stantec to provide program management
<br /> options included in the study are Montecito Non-Potable Reuse,Carpinteria services for this$2.7 billion program—a phased,multi-year effort that uses
<br /> IPR,Montecito DPR,and Santa Barbara DPR. proven technology to produce a reliable and cost-effective water supply
<br /> for the City.The Program will help the City overcome its water challenges
<br /> Future implementation of water reuse will produce a new local by transforming the City's water system into a complete water cycle that
<br /> drought-proof water supply for the community and reduce the discharge maximizes use and reuse of the City's water supply.
<br /> of treated wastewater to the ocean.The analysis considers local and
<br /> regional partnerships,non-potable and potable reuse alternatives,and In 2017 Carollo was contracted to design the first potable water reuse facility
<br /> various treatment methods and technologies.This project involved a in the program,the$367 million,34-mgd North City Purified Water Facility
<br /> holistic evaluation of wastewater treatment,tertiary treatment,and (NCPWF).The new facility will produce safe,high-quality drinking water
<br /> advanced treatment to meet a range of effluent discharge and water using a pilot-proven,five-step water purification process of ozonation,BAC
<br /> reuse requirements,with a focus upon a core reliable treatment train that filters,membrane filtration,RO,and UV disinfection with sodium hypochlorite
<br /> can be enhanced as water reuse transitions from non-potable to potable advanced oxidation.
<br /> in the future.
<br /> The facility will purify tertiary effluent from the NCWRP to meet the Title
<br /> w ...,„1, - 'w" .'_, " 22 California Code of Regulations for surface water augmentation IPR
<br /> to discharge to Miramar Reservoir.NCPWF will be the first groundwater
<br /> recharge IPR facility that augments surface water for potable reuse.NCPWF
<br /> - �~x ,� ^'q ' f will send 30 mgd to the Miramar Reservoir and 4 mgd back to NCWRP to
<br /> •� I �— reduce the total dissolved solids concentration in the chlorine contact tank o
<br /> t effluent for downstream non-potable water reuse(irrigation). K
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<br /> El Paso Water Lltilitipc. TX 1 c) D
<br /> Advanced Water Purification Facility i r�
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<br /> Carollo served as the prime consultant to El Paso Water as the utility •_ z z
<br /> implemented the second DPR facility in Texas.These services built upon
<br /> five years of project development,pilot testing,and preliminary regulatory m- c)
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<br /> approvals led by professionals now at Carollo. . fo a
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<br /> Our efforts included grant funding assistance,technical evaluations and ,)'- m
<br /> preliminary engineering,and regulatory liaison and permitting support Marina Coast Water District, Cf Z Z
<br /> pertaining to all aspects of a successful potable reuse program.Carollo is Urban Water Augmentation Project
<br /> also performing detailed design,construction-phase,and post-construction m0
<br /> The Regional Urban Water Augmentation Project uses recycled water toz m
<br /> services for the Advanced Water Purification Facility(AWPF). augment local supplies for the cities of Marina and Seaside,Ord Community, D
<br /> The facility will treat up to 10 mgd of secondary effluent from the Roberto R. and Monterey County.The project also provides the opportunity to increase -
<br /> regional recycled water service,infrastructure to accommodate future Z &)
<br /> Bustamante Wastewater Treatment Plant and produce purified water using m
<br /> the treatment train of microfiltration/ultrafiltration,nanofiltration/reverse groundwater recharge,and reduction in discharges to Monterey Bay. ,- <
<br /> osmosis,UV/peroxide AOP,and GAC for peroxide quenching and additional D m
<br /> Carollo provided project management,design services,permit coordination, m w
<br /> assurance of purification.The purified water will be introduced directly easement acquisition assistance,bid assistance,and construction > -<
<br /> into the potable water distribution system via conveyance infrastructure > ?
<br /> administration.The project involved design of approximately 40,000 feet -0 N
<br /> also used for finished water produced by the adjacent Jonathan W.Rogers CP
<br /> of 16-and 24-inch transmission main,26,000 feet of 4-inch through 12-inch D
<br /> Water Treatment Plant.With design completion in 2022,this project will go distribution pipelines,2.0-MG welded steel storage reservoir,and 2,500-gpm °A
<br /> to construction in 2023 and will be an important addition to El Paso Water's booster pump station.
<br /> diverse and resilient water portfolio.
<br /> CAROLLO/ QUALIFICATIONS /JUNE 2024 30
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