Jim Fitzpatrick

Technical advisor providing evaluations and other technical services to support NPDES permitting negotiations to implement the City’s CSO Long Term Control Plan. Services include development and evaluation of static and flow-tiered effluent limits for the WPCP and water quality modeling of the upper Maumee River for ammonia toxicity criteria and dissolved oxygen (QUAL2K).

Technical advisor developing and participating in workshops, evaluations and consulting services to support the utility’s Watershed Operations Division and CSO Treatment Innovation initiative.

Planning, study and conceptual designs of alternatives to increase peak wet-weather capacity to 100 mgd for CSO control. Services include: review and analysis of historical operations data, development of design influent hydrograph and pollutographs, jar testing of chemically enhanced sedimentation (CES), dynamic treatment process modeling (GPS-X) of various wet-weather treatment scenarios, capacity assessments of existing facilities and upgrades, and process and technology alternatives… Show more

Planning, study and conceptual designs of alternatives to increase peak wet-weather capacity to 100 mgd for CSO control. Services include: review and analysis of historical operations data, development of design influent hydrograph and pollutographs, jar testing of chemically enhanced sedimentation (CES), dynamic treatment process modeling (GPS-X) of various wet-weather treatment scenarios, capacity assessments of existing facilities and upgrades, and process and technology alternatives evaluations. Show less

Planning, study and conceptual designs to evaluate different wet-weather flow treatment alternatives for SSO control. Services include: dry-weather and wet-weather influent characterization and projections, bench- and full-scale piloting of chemically enhanced sedimentation (CES), piloting of compressible media filtration, dynamic treatment process modeling (GPS-X), capacity assessments, and process and technology alternatives evaluations.

Study and design services to conduct side-by-side trials of the following treatment technologies during actual wet-weather excess flow events: full-scale (50-75 mgd) chemically enhanced sedimentation, pilot-scale biocontact and pilot-scale compressible media filtration.

. Study, design and construction-phase services to add a 100-mgd high-rate treatment (HRT) facility to increase the capacity of existing treatment facilities for CSO control. Evaluation of the following HRT alternatives: Actiflo ballasted flocculation, DensaDeg high-rate clarification and WWETCO compressible media filtration followed by sodium hypochlorite and bisulfite for high-rate disinfection. Project proceeded with WesTech/WWETCO FlexFilter technology along with upgrades to headworks… Show more

. Study, design and construction-phase services to add a 100-mgd high-rate treatment (HRT) facility to increase the capacity of existing treatment facilities for CSO control. Evaluation of the following HRT alternatives: Actiflo ballasted flocculation, DensaDeg high-rate clarification and WWETCO compressible media filtration followed by sodium hypochlorite and bisulfite for high-rate disinfection. Project proceeded with WesTech/WWETCO FlexFilter technology along with upgrades to headworks screening and grit removal, a new secondary clarifier, and a new anaerobic digester. Show less

Treatment expert providing peer review of study, plan and design documents for short-term and long-term treatment facilities for the removal of PCBs from stormwater discharged from the North Boeing Field to the Lower Duwamish Waterway Superfund Site using chitosan-enhanced sand filtration (CESF).

Operator training, commissioning and performance certification assistance for satellite 50-mgd peak excess flow treatment facility consisting of fine screens, Actiflo ballasted flocculation and UV disinfection for SSO control.

Providing process engineering assistance during the side-by-side pilot plant study of wet weather treatment systems using Actiflo and DensaDeg high-rate clarification followed by MP and LPHO ultraviolet disinfection technologies. Includes: design of the pilot plant study, establishing protocols, on site start-up and operational assistance, data evaluation and preparing study report. Continued to assist local office staff as needed during planning, design, construction and commissioning of… Show more

Providing process engineering assistance during the side-by-side pilot plant study of wet weather treatment systems using Actiflo and DensaDeg high-rate clarification followed by MP and LPHO ultraviolet disinfection technologies. Includes: design of the pilot plant study, establishing protocols, on site start-up and operational assistance, data evaluation and preparing study report. Continued to assist local office staff as needed during planning, design, construction and commissioning of 232-mgd wet-weather flow treatment facility with vortex grit removal, DensaDeg high-rate clarification, chlorination, dechlorination and reaeration. Evaluated post-construction monitoring results from comparative pathogen reduction study and drafted annual reports to USEPA as part of final approved LTCP. Show less

First pilot study in the United States of an integrated phosphorus removal and recovery process featuring a new phosphorus adsorbent media, in situ regeneration, and recovery process. Project included bench-scale testing, pilot system design and fabrication, developing test protocols, pilot system operations, performance testing, monitoring and sampling, data evaluation, and reporting.

Study, planning and conceptual design to approximately double peak flow treatment capacity for CSO control. Treatment facilities assessment included evaluations and side-by-side bench-scale pilot tests of CEPT, Actiflo ballasted flocculation, DensaDeg high-rate solids contact clarification and WWETCO compressible media filtration followed by E. coli dose response testing of effluents using hypochlorite and UV disinfection.

Study and design to double hydraulic capacity of the BNR facilities along with upgrades to meet TN limits of 3 mg/L using a 4-stage Bardenpho process. Secondary clarifier assessment and field testing of the existing secondary clarifiers (4 @ 105’ diameter) consisting of operating data analysis; settling column testing to determine application specific Vesilind settling parameters for flux curve; state point analysis; discrete and flocculated suspended solids testing; capacity evaluation; and… Show more

Study and design to double hydraulic capacity of the BNR facilities along with upgrades to meet TN limits of 3 mg/L using a 4-stage Bardenpho process. Secondary clarifier assessment and field testing of the existing secondary clarifiers (4 @ 105’ diameter) consisting of operating data analysis; settling column testing to determine application specific Vesilind settling parameters for flux curve; state point analysis; discrete and flocculated suspended solids testing; capacity evaluation; and upgrade recommendations. Show less

Study and conceptual designs of nutrient removal alternatives. Included: analysis of historical operational data, development of design influent characteristics, review and comparisons of processes and technologies, development of upgrade alternatives and opinion of probable costs.

Several projects to increase peak flow capacity to 240 mgd, including secondary clarifier modifications, aeration basin upgrades, and facility master plan. Evaluations included: alternative designs for secondary settling tanks, BioWin modeling of full plant, characterization of raw and secondary influent, aeration basin modifications for wet-weather step-feed operation, nutrient removal capacity assessment, aeration diffuser alternatives, primary treatment capacity assessment, and peak… Show more

Several projects to increase peak flow capacity to 240 mgd, including secondary clarifier modifications, aeration basin upgrades, and facility master plan. Evaluations included: alternative designs for secondary settling tanks, BioWin modeling of full plant, characterization of raw and secondary influent, aeration basin modifications for wet-weather step-feed operation, nutrient removal capacity assessment, aeration diffuser alternatives, primary treatment capacity assessment, and peak wet-weather treatment capacity assessment. Show less

Expand the POTW’s ability to treat excess wet-weather flows from 167 to 340 mgd. Evaluate WWTP operating data, develop treatment process model (GPS-X), evaluate applicable treatment technologies, conduct bench-scale treatment studies, develop conceptual designs, and coordinate treatment modifications with collection system expansion plans.

Principal investigator of a B&V-funded study to evaluate foaming from wet-weather flow treatment with ballasted flocculation. Develop study scopes, develop study protocols, coordinate with participating POTWs, resolve technical issues, evaluate analytical data, draft study reports and present findings.