MODRET SUMMARY OF UNSATURATED & SATURATED INPUT PARAMETERS. PROJECT NAME : Wetland M POLLUTION VOLUME RUNOFF DATA USED UNSATURATED ANALYSIS INCLUDED

Transcription

1 SUMMARY OF UNSATURATED & SATURATED INPUT PARAMETERS PROJECT NAME : Wetland M POLLUTION VOLUME RUNOFF DATA USED UNSATURATED ANALYSIS INCLUDED Pond Bottom Area 175, ft² Pond Volume between Bottom & DHWL 211, ft³ Pond Length to Width Ratio (L/W) 1.10 Elevation of Effective Aquifer Base 5.20 ft Elevation of Seasonal High Groundwater Table ft Elevation of Starting Water Level ft Elevation of Pond Bottom ft Design High Water Level Elevation ft Avg. Effective Storage Coefficient of Soil for Unsaturated Analysis 0.08 Unsaturated Vertical Hydraulic Conductivity 0.13 ft/d Factor of Safety 2.00 Saturated Horizontal Hydraulic Conductivity 0.20 ft/d Avg. Effective Storage Coefficient of Soil for Saturated Analysis 0.08 Avg. Effective Storage Coefficient of Pond/Exfiltration Trench 1.00 Hydraulic Control Features: Top Bottom Left Right Groundwater Control Features - Y/N N N Y N Distance to Edge of Pond Elevation of Water Level Impervious Barrier - Y/N N N N N Elevation of Barrier Bottom

2 TIME - RUNOFF INPUT DATA PROJECT NAME: WETLAND M STRESS PERIOD NUMBER INCREMENT OF TIME (hrs) VOLUME OF RUNOFF (ft³) Unsat ,

3 SUMMARY OF RESULTS PROJECT NAME : Wetland M TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) * , , ,

4 SUMMARY OF RESULTS PROJECT NAME : Wetland M TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) , , , , , , , , , , , , , ,

5 SUMMARY OF RESULTS PROJECT NAME : Wetland M TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) , , , , , , , , , , , , , Maximum Water Elevation: hours * Time increment when there is no runoff Maximum Infiltration Rate: ft/day > 4, hours

6 : WETLAND M 6,600 6,400 6,200 6,000 5,800 5,600 5,400 5,200 5,000 4,800 4,600 4,400 4,200 4,000 Volume Infiltrated (ft³) 3,800 3,600 3,400 3,200 3,000 2,800 2,600 2,400 2,200 2,000 1,800 1,600 1,400 1,200 1, ,000 1,500 2,000 2,500 Time (hrs) Total Volume Infiltrated = 6,709 ft³ 3,000 3,500 4,000

7 13 : WETLAND M 12.5 Water Elevation (ft) ,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 Time (hrs) Max Water Elevation = ft 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200

8 SUMMARY OF UNSATURATED & SATURATED INPUT PARAMETERS PROJECT NAME : Wetland O POLLUTION VOLUME RUNOFF DATA USED UNSATURATED ANALYSIS INCLUDED Pond Bottom Area 76, ft² Pond Volume between Bottom & DHWL 69, ft³ Pond Length to Width Ratio (L/W) 1.19 Elevation of Effective Aquifer Base 5.90 ft Elevation of Seasonal High Groundwater Table ft Elevation of Starting Water Level ft Elevation of Pond Bottom ft Design High Water Level Elevation ft Avg. Effective Storage Coefficient of Soil for Unsaturated Analysis 0.08 Unsaturated Vertical Hydraulic Conductivity 0.13 ft/d Factor of Safety 2.00 Saturated Horizontal Hydraulic Conductivity 0.20 ft/d Avg. Effective Storage Coefficient of Soil for Saturated Analysis 0.08 Avg. Effective Storage Coefficient of Pond/Exfiltration Trench 1.00 Hydraulic Control Features: Top Bottom Left Right Groundwater Control Features - Y/N N N Y N Distance to Edge of Pond Elevation of Water Level Impervious Barrier - Y/N N N N N Elevation of Barrier Bottom

9 TIME - RUNOFF INPUT DATA PROJECT NAME: WETLAND O STRESS PERIOD NUMBER INCREMENT OF TIME (hrs) VOLUME OF RUNOFF (ft³) Unsat ,

10 SUMMARY OF RESULTS PROJECT NAME : Wetland O TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) * , , ,

11 SUMMARY OF RESULTS PROJECT NAME : Wetland O TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) , , , , , , , , , , , , , ,

12 SUMMARY OF RESULTS PROJECT NAME : Wetland O TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) , , , , , , , , , , , , , Maximum Water Elevation: hours * Time increment when there is no runoff Maximum Infiltration Rate: ft/day > 4, hours

13 : WETLAND O Volume Infiltrated (ft³) 2,800 2,750 2,700 2,650 2,600 2,550 2,500 2,450 2,400 2,350 2,300 2,250 2,200 2,150 2,100 2,050 2,000 1,950 1,900 1,850 1,800 1,750 1,700 1,650 1,600 1,550 1,500 1,450 1,400 1,350 1,300 1,250 1,200 1,150 1,100 1,050 1, ,000 1,500 2,000 2,500 Time (hrs) Total Volume Infiltrated = 2,833 ft³ 3,000 3,500 4,000

14 13 : WETLAND O 12.5 Water Elevation (ft) ,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 Time (hrs) Max Water Elevation = ft 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200

15 SUMMARY OF UNSATURATED & SATURATED INPUT PARAMETERS PROJECT NAME : Wetland P POLLUTION VOLUME RUNOFF DATA USED UNSATURATED ANALYSIS INCLUDED Pond Bottom Area 115, ft² Pond Volume between Bottom & DHWL 11, ft³ Pond Length to Width Ratio (L/W) 1.37 Elevation of Effective Aquifer Base 5.60 ft Elevation of Seasonal High Groundwater Table ft Elevation of Starting Water Level ft Elevation of Pond Bottom ft Design High Water Level Elevation ft Avg. Effective Storage Coefficient of Soil for Unsaturated Analysis 0.08 Unsaturated Vertical Hydraulic Conductivity 0.13 ft/d Factor of Safety 2.00 Saturated Horizontal Hydraulic Conductivity 0.20 ft/d Avg. Effective Storage Coefficient of Soil for Saturated Analysis 0.08 Avg. Effective Storage Coefficient of Pond/Exfiltration Trench 1.00 Hydraulic Control Features: Top Bottom Left Right Groundwater Control Features - Y/N N N Y N Distance to Edge of Pond Elevation of Water Level Impervious Barrier - Y/N N N N N Elevation of Barrier Bottom

16 TIME - RUNOFF INPUT DATA PROJECT NAME: WETLAND P STRESS PERIOD NUMBER INCREMENT OF TIME (hrs) VOLUME OF RUNOFF (ft³) Unsat ,

17 SUMMARY OF RESULTS PROJECT NAME : Wetland P TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) * , , ,

18 SUMMARY OF RESULTS PROJECT NAME : Wetland P TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) , , , , , , , , , , , , , ,

19 SUMMARY OF RESULTS PROJECT NAME : Wetland P TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) , , , , , , , , , , , , , Maximum Water Elevation: hours * Time increment when there is no runoff Maximum Infiltration Rate: ft/day > 4, hours

20 : WETLAND P Volume Infiltrated (ft³) ,000 1,500 2,000 2,500 Time (hrs) Total Volume Infiltrated = 359 ft³ 3,000 3,500 4,000

21 12.5 : WETLAND P 12 Water Elevation (ft) ,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 Time (hrs) Max Water Elevation = ft 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200

22 ISLANDWALK MASS GRADING - WETLAND M Date: 12/29/15 MODRET INPUT PARAMETERS Rev: Required Use Value Unit Comment Design High Water Level Elevation Use Seasonal High Water Level in Wetland M Ft Survey/ESA Area at Starting Water Level Normal Pool Area sf Measured in CAD Normal Pool Area 4.04 Ac Measured in CAD Seasonal High Water Level (SHWL) Ft Survey/ESA SHWL Area 6.43 Ac Measured in CAD Volume Between Starting Water Level & Estimated High Water Level Volume between Normal Poole and Seasonal High Water Level 211,975 cf Wetland Length, L(FT) Ft Measured in CAD Wetland Width, W (FT) Ft Measured in CAD Pond Length to Width Ratio (L/W) Use Wetland Length and Width Ratio (L/W) 1.10 Elevation of Effective Aquifer Base Use 66" (dept of confining layer) below average ex. Grade of Ft Plans Elevation of SHWL Use Normal Pool (NP) Elevation Ft Survey Elevation of Starting Water Level Use Normal Pool (NP) Elevation Ft Survey Elevation of Pond Bottom Use Wetland Bottom Elevation 10.7 Ft Survey Ave. Effective Storage Coefficient of Soil for Unsat. Use Table A-1, Distance between Normal Pool and Calculated in Spreadsheet based on Table A-1 Unsaturated Vertical Hydraulic Conductivity Kh/ Calculated Factor of Safety Use Typical Value per Modret Manual Saturated Horizontal Conductivity Use Kh (Calculated based on SCS Soil Type) 0.2 ft/day Calculated in Spreadsheet based on Soil Type Ave. Effective Storage Coefficient of Soil for Saturated Anal Use Table A-1, Distance between SHWL Pool and Calculated in Spreadsheet based on Table A-1 Average Effective Storage Coefficient of Pond 1.0 (Calculated by program) 1 Typical Value per Modret Manual Groundwater Control Left, Distance to edge of pond CWL to SHWL of Wetland M 113 Ft CAD Elevation of Water Level CWL of Lake Ft Plans

23 ISLANDWALK MASS GRADING - WETLAND O Date: 12/29/15 MODRET INPUT PARAMETERS Rev: Required Use Value Unit Comment Design High Water Level Elevation Use Seasonal High Water Level in Wetland O 12.6 Ft Survey/ESA Area at Starting Water Level Normal Pool Area sf Measured in CAD Normal Pool Area 1.76 Ac Measured in CAD Seasonal High Water Level (SHWL) Ft Survey/ESA SHWL Area 3 Ac Measured in CAD Volume Between Starting Water Level & Estimated High Water Level Volume between Normal Poole and Seasonal High Water Level 69,751 cf Wetland Length, L(FT) Ft Measured in CAD Wetland Width, W (FT) Ft Measured in CAD Pond Length to Width Ratio (L/W) Use Wetland Length and Width Ratio (L/W) 1.19 Elevation of Effective Aquifer Base Use 66" (dept of confining layer) below average ex. Grade of Ft Plans Elevation of SHWL Use Normal Pool (NP) Elevation Ft Survey Elevation of Starting Water Level Use Normal Pool (NP) Elevation Ft Survey Elevation of Pond Bottom Use Wetland Bottom Elevation 11.4 Ft Survey Ave. Effective Storage Coefficient of Soil for Unsat. Use Table A-1, Distance between Normal Pool and Calculated in Spreadsheet based on Table A-1 Unsaturated Vertical Hydraulic Conductivity Kh/ Calculated Factor of Safety Use Typical Value per Modret Manual Saturated Horizontal Conductivity Use Kh (Calculated based on SCS Soil Type) 0.2 ft/day Calculated in Spreadsheet based on Soil Type Ave. Effective Storage Coefficient of Soil for Saturated Anal Use Table A-1, Distance between SHWL Pool and Calculated in Spreadsheet based on Table A-1 Average Effective Storage Coefficient of Pond 1.0 (Calculated by program) 1 Typical Value per Modret Manual Groundwater Control Left, Distance to edge of pond CWL to SHWL of Wetland O 105 Ft CAD Elevation of Water Level CWL of Lake Ft Plans

24 ISLANDWALK MASS GRADING - WETLAND P Date: 12/29/15 MODRET INPUT PARAMETERS Rev: Required Use Value Unit Comment Design High Water Level Elevation Use Seasonal High Water Level in Wetland P Ft Survey/ESA Area at Starting Water Level Normal Pool Area sf Measured in CAD Normal Pool Area 2.65 Ac Measured in CAD Seasonal High Water Level (SHWL) Ft Survey/ESA SHWL Area 6.51 Ac Measured in CAD Volume Between Starting Water Level & Estimated High Water Level Volume between Normal Poole and Seasonal High Water Level 11,962 cf Wetland Length, L(FT) Ft Measured in CAD Wetland Width, W (FT) Ft Measured in CAD Pond Length to Width Ratio (L/W) Use Wetland Length and Width Ratio (L/W) 1.37 Elevation of Effective Aquifer Base Use 66" (dept of confining layer) below average ex. Grade of Ft Plans Elevation of SHWL Use Normal Pool (NP) Elevation Ft Survey Elevation of Starting Water Level Use Normal Pool (NP) Elevation Ft Survey Elevation of Pond Bottom Use Wetland Bottom Elevation 11.1 Ft Survey Ave. Effective Storage Coefficient of Soil for Unsat. Use Table A-1, Distance between Normal Pool and Calculated in Spreadsheet based on Table A-1 Unsaturated Vertical Hydraulic Conductivity Kh/ Calculated Factor of Safety Use Typical Value per Modret Manual Saturated Horizontal Conductivity Use Kh (Calculated based on SCS Soil Type) 0.2 ft/day Calculated in Spreadsheet based on Soil Type Ave. Effective Storage Coefficient of Soil for Saturated Anal Use Table A-1, Distance between SHWL Pool and Calculated in Spreadsheet based on Table A-1 Average Effective Storage Coefficient of Pond 1.0 (Calculated by program) 1 Typical Value per Modret Manual Groundwater Control Left, Distance to edge of pond CWL to SHWL of Wetland P 283 Ft CAD Elevation of Water Level CWL of Lake Ft Plans

25 Soil Storage Coefficient Calcuations for MODRET Project Name: IslandWalk Mass Grading Project No.: Elevation (ft) Pond Bottom SHWE CWE Effective Depth to Groundwater Table (ft) = Average Depth to Groundwater Table (ft) = 0.90 ft 1.50 ft Average Effective Storage Coefficient for Soil for Unsaturated Analysis = Average Effective Storage Coefficient for Soil for Saturated Analysis = Source: MODRET Manual Table A-1 Approximate Effective Storage Coefficient of Fine Sands Revision Date 06/04/04

26 Kh and Kvu Calulations for MODRET Project Name: IslandWalk Mass Grading Project No.: County = Sarasota Average existing grade in pond area in feet = SCS Soil Type = 22 - Holopaw Proposed pond bottom elevation in feet = Depth Interval (inches) Layer Thickness (inches) (Z i ) Layer Thickness Excavated to Reach Pond Layer Thickness Available for Infiltration (Kv) Initial Final (inches) Low End High End Total Depth 80 MODIFY YELLOW HIGHLIGHTED CELLS ONLY!!! Total Depth for Calculation 94.8 (in/hr) (ft/day) Average Saturated Vertical Permeability - Kv (in/hr) (ft/day) Average Unsaturated Vertical Permeability - Kvu Average Saturated Horizontal Permeability - Kh SCS Vertical Permeability* (inches/hr) Average Incremental Kv i (inches/hr) Average Incremental Kh i (inches/hr) * SCS data is for Saturated Conditions Source - Modret Manual Version 6.0, Page 25. Formulas utilized: Kh = Kv*1.5; Kh = Sum ( Zi x Khi ) / Total Depth; and Kvu = Kv x 2/3 Revision Date 06/04/04