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Home My WebLink AboutNC0003425_Rox_Appendix L_20191231Corrective Action Plan Update December 2019 Roxboro Steam Electric Plant APPENDIX L SUSTAINABILITY CALCULATIONS SynTerra APPENDIX L - SUSTAINABILITY CALCULATIONS REMEDIAL ALTERNATIVES - INPUTS CORRECTIVE ACTION PLAN UPDATE ROXBORO STEAM ELECTRIC PLANT SOURCE AREA 1 (EAB/INDUSTRIAL LANDFILL/LCID LANDFILL) DUKE ENERGY PROGRESS, LLC, SEMORA, NC Alternative Remedial Alternative 1 - Groundwater Remediation by MNA Remedial Alternative 2 - Groundwater Remediation by Extraction New Monitoring Wells Number of MWs Average depth of MWs (ft. bgs) Average screen length of MWs (ft.) Casing material Well diameter Borehole diameter Extraction Wells Number of Extraction Wells 32 Average depth (ft. bgs) 190 Average screen length (ft.) 151 Total flow (gpm) 23 Casing material Sch 80 PVC Well diameter 6 Borehole diameter 12 Horizontal Wells Number of Horizontal Wells Length of Each Horizontal Well (ft.) Total flow (gpm) Casing material Well diameter Borehole diameter Clean Water Infiltration Wells Number of Clean Water Infiltration Wells Average depth (ft. bgs) Average screen length (ft.) Total flow (gpm) Casing material Well diameter Borehole diameter Number of pumps Infiltration Galleries Number of Infiltration Galleries Total area (acres) Total flow (gpm) Pipe material Pipe diameter Chemical Injection Wells Number of Injection Wells Average depth (ft. bgs) Average screen length (ft.) Total flow (gpm) Casing material Well diameter Borehole diameter Injection Pumps Page 1 of 2 APPENDIX L - SUSTAINABILITY CALCULATIONS REMEDIAL ALTERNATIVES - INPUTS CORRECTIVE ACTION PLAN UPDATE ROXBORO STEAM ELECTRIC PLANT SOURCE AREA 1 (EAB/INDUSTRIAL LANDFILL/LCID LANDFILL) DUKE ENERGY PROGRESS, LLC, SEMORA, NC Alternative Remedial Alternative 1 - Groundwater Remediation by MNA Remedial Alternative 2 - Groundwater Remediation by Extraction Tree Wells Total area (acres) Trenches Number of trenches Length (ft.) Width (ft.) Depth (ft.) Conveyance Pipe Pipe length 2330 Pipe material Sch 80 HDPE Pipe diameter 6 Number of conveyance pumps 2 Permeable Reactive Barriers Number of PRBs Fill Material Length (ft.) Width (ft.) Depth (ft.) Removal of Waste Materials Tons of waste Waste Profile Treatment Media Media Pounds Well Abandonment Number of wells Average well depth Well diameter Fill Material La oratory Analysis $ of laboratory analysis spent Length of Active Remediation Years of Active Remediation 0 9 Notes: ft. - foot gpm - gallon per minute Sch - schedule HDPE - high density polyethylene bgs - below ground surface PVC - polyvinyl chloride PRB - permeable reactive barrier MW - monitoring wells MNA - monitored natural attenuation EAB - East Ash Basin LCID - land clearing and inert debris Prepared By: GTC Checked By: SIB Page 2 of 2 APPENDIX L - SUSTAINABILITY CALCULATIONS REMEDIAL ALTERNATIVES-SUSTAINABILITY CORRECTIVE ACTION PLAN UPDATE ROXBORO STEAM ELECTRIC PLANT - SOURCE AREA 1 (EAB/INDUSTRIAL LANDFILL/LCID LANDFILL) DUKE ENERGY PROGRESS, LLC, SEMORA, NC Remedial Alternative 1 - Groundwater Remediation by MNA Activities CO2 Emissions Percent Total Onsite NOx Emissions Percent Total Onsite SOx Emissions Percent Total Onsite PM10 Emissions Percent Total Total NOx Emissions Percent Total Total SOx Emissions Percent Total Total PM10 Emissions Percent Total Total Energy Used Total Energy Used Percent Total metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % MMBTU MWH Material Productions 0.00 - NA - NA - NA - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 NA - Transportation -Personnel 1.14 100.00 NA - NA - NA - 4.2E-04 100.0 1.5E-05 100.0 8.6E-05 100.0 1.4E+01 NA 100.0 Transportation-Equip/materials 0.00 - NA - NA - NA - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 NA - Equipment Use and Misc 0.00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 0.0E+00 - Residual Handling 0.00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00- Total 1.14 100 0.00E+00 0.0 0.00E+00 0 0.00E+00 0 4.23E-04 100 1.49E-OS 100 8.58E-OS 100 1.44E+01 0.00E+00 100 Remedial Alternative 2 - Groundwater Remediation by Extraction Activities CO2 Emissions Percent Total Onsite NOx Emissions Percent Total Onsite SOx Emissions Percent Total Onsite PM10 Emissions Percent Total Total NOx Emissions Percent Total Total SOx Emissions Percent Total Total PM10 Emissions Percent Total Total Energy Used Total Energy Used Percent Total metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % MMBTU MWH % Material Productions 516.33 64.11 NA - NA - NA - 1.3E+00 47.1 9.4E-01 53.3 2.8E-01 66.1 7.9E+05 NA 99.69 Transportation -Personnel 5.81 0.72 NA - NA - NA - 1.1E-02 0.4 1.0E-03 0.1 2.2E-04 0.1 7.6E+01 NA 0.0 Transportation-Equip/materials 0.98 0.12 NA - NA - NA - 3.1E-04 0.0 5.5E-06 0.0 2.7E-05 0.0 1.3E+01 NA 0.0 Equipment Use and Misc 281.98 35.01 6.2E-01 100.0 6.3E-02 100.0 5.5E-02 100.0 1.4E+00 52.5 8.2E-01 46.6 1.4E-01 33.8 2.4E+03 1.8E-01 0.3 Residual Handling 0.27 0.03 0.0E+00 - 0.0E+00 - 0.0E+00 - 8.8E-05 0.0 3.6E-06 0.0 7.2E-06 0.0 3.8E+00 NA 0.0 Total 805.37 100 6.16E-01 100.0 6.30E-02 100 5.54E-02 100 2.74E+00 100 1.76E+00 100 4.28E-01 100 7.97E+05 1.80E-01 100 Notes: CO, - Airborne emissions of carbon dioxide MMBTU - Million British Thermal Units NOx - Airborne emissions of nitrogen oxides (combination of nitrogen monoxide and nitrogen dioxide) SOx - Airborne emissions of sulfur oxides (combination of sulfur monoxide, sulfur dioxide, sulfur trioxide, and others) PMjr - Airborne emissions of particulate matter that is 10 micrometers or less in diameter EAB - East Ash Basin LCID - land clearing and inert debris Prepared By: GTC Checked By: SIB Page 1 of 1 APPENDIX L - SUSTAINABILITY CALCULATIONS REMEDIAL ALTERNATIVES - INPUTS CORRECTIVE ACTION PLAN UPDATE ROXBORO STEAM ELECTRIC PLANT - SOURCE AREA 3 (GSA AND DFAHA) DUKE ENERGY PROGRESS, LLC, SEMORA, NC Alternative Remedial Alternative 1 - Groundwater Remediation by MNA Remedial Alternative 2 - Groundwater Remediation by Extraction Remedial Alternative 3 - Groundwater Remediation by Clean Water Infiltration and Extraction New Monitoring Wells Number of MWs Average depth of MWs (ft. bgs) Average screen length of MWs (ft.) Casing material Well diameter Borehole diameter Extraction Wells Number of Extraction Wells 18 18 Average depth (ft. bgs) 190 190 Average screen length (ft.) 151 151 Total flow (gpm) 48 48 Casing material Sch 80 PVC Sch 80 PVC Well diameter 6 6 Borehole diameter 12 12 Horizontal Wells Number of Horizontal Wells Length of Each Horizontal Well (ft.) Total flow (gpm) Casing material Well diameter Borehole diameter Clean Water Infiltration Wells Number of Clean Water Infiltration Wells 27 Average depth (ft. bgs) 120 Average screen length (ft.) 120 Total flow (gpm) 48 Casing material Sch 80 PVC Well diameter 6 Borehole diameter 12 Number of pumps 1 Infiltration Galleries Number of Infiltration Galleries Total area (acres) Total flow (gpm) Pipe material Pipe diameter Chemical Injection Wells Number of Injection Wells Average depth (ft. bgs) Average screen length (ft.) Total flow (gpm) Casing material Well diameter Borehole diameter Injection Pumps Tree Wells Total area (acres) Trenches Number of trenches Length (ft.) Width (ft.) Depth (ft.) Page 1 of 2 APPENDIX L - SUSTAINABILITY CALCULATIONS REMEDIAL ALTERNATIVES - INPUTS CORRECTIVE ACTION PLAN UPDATE ROXBORO STEAM ELECTRIC PLANT - SOURCE AREA 3 (GSA AND DFAHA) DUKE ENERGY PROGRESS, LLC, SEMORA, NC Alternative Remedial Alternative 1 - Groundwater Remediation by MNA Remedial Alternative 2 - Groundwater Remediation by Extraction Remedial Alternative 3 - Groundwater Remediation by Clean Water Infiltration and Extraction Conveyance Pipe Pipe length 2320 4965 Pipe material Sch 80 HDPE Sch 80 HDPE Pipe diameter 6 6 Number of conveyance pumps 6 6 Permeable Reactive Barriers Number of PRBs Fill Material Length (ft.) Width (ft.) Depth (ft.) Removal of Waste Materials Tons of waste Waste Profile Treatment Media Media Pounds Well Abandonment Number of wells Average well depth Well diameter Fill Material Laboratory Analysis $ of laboratory analysis spent Length of Active Remediation Years of Active Remediation 0 180 9 Notes: ft. - foot gpm - gallon per minute Sch - schedule HDPE - high density polyethylene bgs - below ground surface PVC - polyvinyl chloride PRB - permiable reactive barrier MW - monitoring wells MINA - monitored natural attenuation GSA - gypsum storage area DFAHA - dry fly ash silos, transport, and handling area Prepared By: GTC Checked By: SIB Page 2 of 2 APPENDIX L - SUSTAINABILITY CALCULATIONS REMEDIAL ALTERNATIVES-SUSTAINABILITY CORRECTIVE ACTION PLAN UPDATE ROXBORO STEAM ELECTRIC PLANT - SOURCE AREA 3 (GSA AND DFAHA) DUKE ENERGY PROGRESS, LLC, SEMORA, NC Remedial Alternative 1 - Groundwater Remediation by MNA Activities CO2 Emissions Percent Total Onsite NO. emissions Percent Total Onsite SO. Emissions Percent Total Onsite PMld Emissions Percent Total Total NO. emissions Percent Total Total SO. Emissions Percent Total Total PM10 Emissions Percent Total Total Energy Used Total Energy used Percent Total metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % MMBTU MWH % Material Productions 0.00 - NA - NA - NA - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 NA - Transportation -Personnel 1.14 100.00 NA - NA - NA - 4.2E-04 100.0 1.5E-05 100.0 8.6E-05 100.0 1.4E+01 NA 100.0 Transportation-Equip/materials 0.00 - NA - NA - NA - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 NA - Equipment Use and Misc 0.00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 0.0E+00 - Residual Handling 0.00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 - 0.0E+00 NA - Total 1.14 100 0.00E+00 0.0 0.00E+00 0 0.00E+00 0 4.23E-04 100 1.49E-05 100 8.58E-05 100 1.44E+01 0.00E+00 100 Remedial Alternative 2 - Groundwater Remediation by Extraction Activities COz Emissions Percent Total Onsite NO. emissions Percent Total Onsite SO. Emissions Percent Total Onsite Emissions Percent Total Total NO. emissions Percent Total Total SO. Emissions Percent Total Total PMto Emissions Percent Total Total Energy Total Eusedy Percent Total metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % MMBTU MWH % Material Productions 413.03 4.34 NA - NA - NA - 1.2E+00 3.4 7.7E-01 2.4 2.6E-01 6.9 7.7E+05 NA 91.85 Transportation -Personnel 11.11 0.12 NA - NA - NA - 1.3E-02 0.0 1.1E-03 0.0 6.2E-04 0.0 1.4E+02 NA 0.0 Transportation-Equip/materials 0.98 0.01 NA - NA - NA - 3.1E-04 0.0 5.5E-06 0.0 2.7E-05 0.0 1.3E+01 NA 0.0 Equipment Use and Misc 9,099.95 95.53 3.5E-01 100.0 3.5E-02 100.0 3.1E-02 100.0 3.3E+01 96.6 3.1E+01 97.6 3.5E+00 93.1 6.9E+04 1.5E-01 8.1 Residual Handling 0.27 0.00 1 0.0E+00 0.0E+00 0.0E+00 8.8E-05 0.0 3.6E-06 0.0 7.2E-06 0.0 3.8E+00 NA 0.0 Total 9,525.34 100 1 3.47E-01 100.0 1 3.54E-02 100 1 3.12E-02 100 1 3.45E+01 100 3.17E+01 100 3.80E+00 100 8.43E+05 1.50E-01 100 Remedial Alternative 3 - Groundwater Remediation by Clean Water Infiltration and Extraction Activities CO2 Emissions Percent Total Onsite NO. emissions Percent Total Onsite SO. Emissions Percent Total Onsite PMld Emissions Percent Total Total NO. emissions Percent Total Total SO. Emissions Percent Total Total PM10 Emissions Percent Total Total Energy Used Total Energy used Percent Total metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % metric ton % MMBTU MWH % Material Productions 901.84 31.59 NA - NA - NA - 2.5E+00 16.8 1.6E+00 32.8 5.5E-01 16.9 1.7E+06 NA 98.96 Transportation -Personnel 19.26 0.67 NA - NA - NA - 1.6E-02 0.1 1.2E-03 0.0 1.2E-03 0.0 2.5E+02 NA 0.0 Transportation-Equip/materials 0.98 0.03 NA - NA - NA - 3.1E-04 0.0 5.5E-06 0.0 2.7E-05 0.0 1.3E+01 NA 0.0 Equipment Use and Misc 1,932.07 67.69 9.2E+00 100.0 9.4E-01 100.0 8.3E-01 100.0 1.2E+01 83.1 3.4E+00 67.2 2.7E+00 83.1 1.7E+04 1.6E-01 1.0 Residual Handling 0.27 1 0.01 0.0E+00 - 0.0E+00 - I 0.0E+00 - I 8.8E-05 0.0 3.6E-06 0.0 7.2E-06 0.0 3.8E+00 NA 0.0 Total 2,854.43 100 9.21E+00 100.0 9.41E-01 100 1 8.28E-01 100 1 1.49E+01 100 5.01E+00 100 3.29E+00 100 1.67E+06 1.60E-01 1 100 notes: CO, - Airborne emissions of carbon dioxide MMBTU - Million British Thermal Units NOx - Airborne emissions of nitrogen oxides (combination of nitrogen monoxide and nitrogen dioxide) Sox - Airborne emissions of sulfur oxides (combination of sulfur monoxide, sulfur dioxide, sulfur trioxide, and others) PM,r - Airborne emissions of particulate matter that is 10 micrometers or less in diameter GSA - gypsum storage area DFAHA - dry fly ash silos, transport, and handling area Page 1 of 1