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o LSCE to sub -contract well video contractor Water quality sampling (TDS, Sand, Turbidity and Bacteria) o LSCE contract directly with analytical lab LSCE will provide a letter report summarizing well video analysis and provide recommendations and attend workshop. The CONSULTANT shall conduct a workshop with City staff to present findings and recommendations. Task 3.2 - Chemical Facilities Evaluation and Sizing Following Task 2, the CONSULTANT will evaluate chemical selection (e.g., calcium hypochlorite or sodium hypochlorite), storage options (e.g. onsite generation or bulk storage), dosing options, and control strategies. The evaluation shall include a pros/cons analysis that includes costs, ease of implementation (i.e., permitting, construction, etc.), ease of operation, and effectiveness/reliability based on actual installs. Several of the existing chemical facilities at Well 5/6 and 8 have reached the end of their useful life. The CONSULTANT will coordinate with City to agree which of the existing facilities should be repurposed or demolished to support the chemical facilities. The CONSULTANT shall conduct a workshop with City staff to present findings and recommendations. Task 3.3 Well 5, 6 and 8 Recommended Improvements The CONSULTANT will identify improvements to the Well 5, 6, and 8 facilities organized by discipline. The improvements will consider modifications to mechanical systems, electrical and instrumentation systems, building structural, and overall facility to improve safety and operations and maintenance of Wells 5, 6, and 8. The improvements will also evaluate reconfiguring use of the Well 5/6 and Well 8 buildings to separate electrical equipment from the process environment and other safety related improvements. The CONSULTANT performed a condition assessment of Well 5, 6, and 8 during the Water Quality Evaluation Project. The previous work will be incorporated into the Well 5, 6 and 8 improvements analysis. The CONSULTANT shall conduct a workshop with City staff to present findings and recommendations, and select improvements to be integrated into the following Task 4. Task 3.0 - Deliverables 1. Well analysis workshop agenda and minutes. 2. Chemical facilities evaluation workshop agenda and minutes. 3. Well 5, 6, and 8 recommended improvements workshop agenda and minutes. Task 3.0 - Assumptions: 1. Meetings and workshops will be conducted virtually during the course of the Project under this task. pw://Carollo/Documents/Client/CA/Pleasanton/_Proposals/Well 5, 6 and 8 PFAS Treatment and Well Improvements BODR/Exhibit A_Well 5, 6 and 8 PFAS Treatment and Rehabilitation Scope.docx PAGE 8of10