Item 19 - Agreements for On-Call Engineering Services

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• Developed preliminary and final design for 6,000 gpm IX system for PFAS treatment at the N-Wells and 1,200 gpm IX system for Perchlorate Treatment at the Q2 Well. • Provided engineering services during construction for IX equipment pre -purchase and for site construction. KJ I Elsinore Valley Municipal Water District I Canyon Lake WTP Phase 1 Improvements I Ongoing Team: David Ferguson, Steve Diamond, Kajori Purkayastha Project Contact: This project consists of designing improvements to an existing surface water treatment Parag Kalaria, PE plant, Canyon Lake Water Treatment Plant (CLWTP), described as the Phase I Water Resources Manager improvements in alignment with the CLWTP Facilities Master Plan (2017). PFOA and (951) 674-3146 PFOS levels in Canyon Lake exceeded the California Notification Levels and PFOA levels exceeded the state Response Level. KJ was retained to perform a feasibility study to evaluate planning level alternatives for the proposed Facilities Master Plan improvements to the treatment plant. The design effort includes new PFAS treatment as recommended in the CLWTP Site Feasibility Study (2020). The project also includes pilot testing for PFAS, bench testing for cyanotoxins, Preliminary Design, Final Design environmental services (CEQA support), public outreach, and bid phase services. The 9-month pilot study looked at GAC, IX, and the dual barrier combination of GAC followed by IX. The dual barrier PFAS treatment system with GAC followed by IX is now proceeding from 60% to 90% design. EEC I City of Anaheim I On -call Engineering Services 12007 - Ongoing Team: Will Shaffer, Jim Kolk, John Shaffer, Brandon Willnecker Project Contact: EEC provides as -needed environmental engineering services across multiple scopes of Keith Linker, PE work. EEC's staff have provided design and consulting services in the following areas: Principal Civil Engineer • Sewer capacity analysis and sewer design manual development I (714) 765-4141 • Lenain pump station retrofit — Civil Engineering, grading, NPDES compliance • Alley sewer upsizing combined with water quality improvements • City trash amendment compliance — BioChar treatment and catch basin screening • Modjeska Park regional stormwater capture — Post construction grant compliance, digital monitoring program, O&M optimization • Citywide stormwater fee generation planning • Regional Stormwater Capture project feasibility planning • Richfield and La Palma stormwater capture and infiltration flood relief project • State College storm drain project — repurpose abandoned sewer line for groundwater recharge and reduce inflow to county drainage facilities • District 27 drainage analysis • Prop 1 and Metropolitan Water District grant funding application support • Comprehensive citywide stormwater pump station evaluation FReferences References have been provided for each relevant project in Section E Relevant Experience above. EEC is happy to provide additional references upon request. EEC Environmental 13 November 17, 2022