Item 19 - Agreements for On-Call Engineering Services

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r i • a Water/Emerging Contaminants Wastewater/Stormwater Litigation Support Regulatory Compliance Technology/GIS Will Shaffer brings a common-sense approach to complicated engineering problems. He has extensive civil design and project management experience across a vast array of disciplines including water and wastewater treatment, underground utilities, site grading and drainage, Stormwater compliance and structural BMP design, industrial wastewater 1 By supplementing his engineering expertise with his comprehensive knowledge of surveying and construction management, he is able to manage projects from conception, through design and permitting, to completion of construction. His utility design experience includes design for grease waste, sanitary sewer, storm drain, water, gas, electric, fiber-optic, and communications utilities. Will holds a Bachelor of Science in Civil Engineering from Loyola Marymount University. He is a registered professional engineer in CA, MD, and 16 other states. He is a California Qualified SWPPP Developer (QSD) and a Qualified Industrial Stormwater Practitioner (QISP). Will is a member of the American Society of Civil Engineers (ASCE), National Society of Professional Engineers (NSPE), an executive member of the Loyola Marymount University Council for Industry Partnerships, and maintains an OSHA 40-Hour HAZWOPER certification. EXPERIENCE Owner's PFAS Representative I City of Santa Ana I Orange County, CA • Providing ongoing expert consulting services related to groundwater PFAS contamination in the Orange County groundwater aquifer. • Peer review of PFAS treatment system (wellhead and centralized) Preliminary Design Reports (PDRs), design scopes of work, construction documents, and specifications. • Training seminars for City engineers, operators, and maintenance staff. • Distribution system planning before, during, and after treatment system buildout. • Well 40 treatment system inspection and drainage revisions. Industrial Wastewater PFAS Characterization Sampling I Confidential Industrial Client I Nationwide • Industrial wastewater sampling at three facilities in different states throughout the nation to characterize PFAS and other water quality issues to inform the design of treatment systems. • Targeted samples at various locations within the waste stream to identify opportunities for source reduction and blending to reduce PFAS treatment costs. PFAS Local Limit Review and Negotiations I Confidential Industrial Client I Michigan • Providing third party technical review of the first proposed PFAS local limit in the nation. • Engaging with the POTW to ensure the proposed limit is technically based and does not over -burden local industries. Water System Optimization Review I Agua Caliente Band of Cahuilla Indians I Palm Springs, CA • Performed a comprehensive audit of an aging water delivery and irrigation system for the Agua Caliente Band of Cahuilla Indians. • Bathymetric survey of a 1-acre surface reservoir utilizing a USV survey vessel to enhance evaporative and infiltrative loss calculations. • Develop water balance of extensive water delivery and irrigation system to identify major water losses. • Recommend CIP with planning level cost estimates to upgrade infrastructure to mitigate water losses and enhance water conservation measures.