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Mazen Kassar, PE Electrical & Controls Mr. Kassar has more than 29 years of experience in electrical engineering and industry standard that include electrical engineering staff management, project management, construction management and supervision, water and wastewater treatment, petro-chemical design, and environmental soil and groundwater treatment. Mazen's background includes designing medium and low voltage power distribution, designing instrumentation, control systems and SCADA systems for a wide -variety of projects, and the installation of electrical systems for remediation projects, including soil vapor extraction systems and groundwater pump -and -treat systems. EXPERIENCE Education: BS, Electrical Engineering, California State University, Long Beach,1990 Reg istrations/Certifications: Professional Electrical Engineer, California, No. 15809, 1998 General Construction, Class B, California, No. 777845, 2008 Professional Affiliations: Institute of Electrical and Electronics Engineers Office Location: Timber Ridge Booster Pump Station Replacement, Yorba Linda Irvine, CA Water District, Placentia, CA. 2020 - Present. Electrical Project Years of Experience: Manager. Project includes engineering planning, design and 29 construction -phase services for the replacement of an existing 35-year old booster pump station. The District contracted Tetra Tech to design Years with Tetra Tech: and construct a new CMU block pump station building; replace the 12 existing gas engine pump and enclosure with a new electric driven pump/motor with the same or greater rated capacity; install an emergency natural gas engine driven generator set; install two bladder tanks for surge protection for the 1000 Zone and 1300 Zone; replace existing direct buried mag meters on the 1300 Zone and 1160 Zone discharge piping with above ground meters; and replace and upgrade the existing electrical equipment. Fleming Zone 8 Tank and Zone 8 to 9 Booster Pump Station Demolition and Replacement, Irvine Ranch Water District, Irvine, CA. 2019 - Present. Electrical Project Manager. Engineering design services for demolition and replacement of an existing above ground 0.15 MG Zone 8 steel tank and Zone 8 to 9 pump station consisting of two 600 gpm vertical turbine pumps each equipped with a 60 horsepower motor. The Fleming pump station site also contains an existing administrative building with a conference room and restroom, two storage buildings, and an AT&T cellular antenna facility. Services also include storage building replacement; reservoir management system building with sodium hypochlorite and aqueous ammonia storage and feed systems and an "in -tank" chemical injection and mixing system; a 2,000 gallon diesel fuel storage tank and dispensing system; and site electrical service, controls, and telemetry improvements. Well No. 32 Rehabilitation, City of Santa Ana, CA. 2017 - Present. Electrical Project Manager. The project involved the preparation of a PDR and plans/specifications for the rehabilitation of the well facility. The underground well would be scraped, cleaned and modified to be within an above ground CMU block control building (housing mechanical and electrical rooms). The design also included a separate on -site generation sodium hypochlorite building, 3,500 feet of 12-inch discharge pipe to John Garthe Reservoir and modification at the reservoir to connect to the on -site piping. Santiago Pump Station Modification, Orange County Water District, Fountain Valley, CA. 2022. Electrical Project Manager. Provided engineering planning, design and construction -phase services for modifications to the existing Santiago Basin Floating Pump Station installed within the existing Santiago Recharge Basin. Services included replacement of the existing two large pump drives with VFDs and constructed additional necessary modifications that would allow the pumps to function between a water elevation of 285-feet and 240-feet. TETRA TECH