SUMMARY OF UNSATURATED & SATURATED INPUT PARAMETERS PROJECT NAME : Wetland M POLLUTION VOLUME RUNOFF DATA USED UNSATURATED ANALYSIS INCLUDED Pond Bottom Area 175,803.00 ft² Pond Volume between Bottom & DHWL 211,975.00 ft³ Pond Length to Width Ratio (L/W) 1.10 Elevation of Effective Aquifer Base 5.20 ft Elevation of Seasonal High Groundwater Table 11.86 ft Elevation of Starting Water Level 11.86 ft Elevation of Pond Bottom 10.70 ft Design High Water Level Elevation 12.79 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 0.00 0.00 113.00 0.00 Elevation of Water Level 0.00 0.00 10.50 0.00 Impervious Barrier - Y/N N N N N Elevation of Barrier Bottom 0.00 0.00 0.00 0.00
TIME - RUNOFF INPUT DATA PROJECT NAME: WETLAND M STRESS PERIOD NUMBER INCREMENT OF TIME (hrs) VOLUME OF RUNOFF (ft³) Unsat 0.00 0.00 1 1.00 211,975.00 2 110.74 0.00 3 110.74 0.00 4 110.74 0.00 5 110.74 0.00 6 110.74 0.00 7 110.74 0.00 8 110.74 0.00 9 110.74 0.00 10 110.74 0.00 11 110.74 0.00 12 110.74 0.00 13 110.74 0.00 14 110.74 0.00 15 110.74 0.00 16 110.74 0.00 17 110.74 0.00 18 110.74 0.00 19 110.74 0.00 20 110.74 0.00 21 110.74 0.00 22 110.74 0.00 23 110.74 0.00 24 110.74 0.00 25 110.74 0.00 26 110.74 0.00 27 110.74 0.00 28 110.74 0.00 29 110.74 0.00 30 110.74 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland M TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 00.00-0.00 11.860 0.000 * 0.00 11.860 0.00010 0.00010 1.00 12.790 0.00011 0.00 0.00062 111.74 12.789 0.00061 0.00 0.00059 222.49 12.788 0.00058 0.00 0.00058 333.23 12.787 0.00057 0.00 0.00055 443.97 12.786 0.00055 0.00 0.00055 554.72 12.785 0.00054 0.00 0.00053 665.46 12.784 0.00053 0.00 0.00052 776.21 12.783 0.00051 0.00 0.00050 886.95 12.782 0.00049 0.00 0.00048 997.69 12.781 0.00049 0.00 0.00049 1,108.44 12.781 0.00048 0.00 0.00046 1,219.18 12.780 0.00046 0.00 0.00046 1,329.92 12.779 0.00046 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland M TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 0.00046 1,440.67 12.778 0.00046 0.00 0.00046 1,551.41 12.777 0.00045 0.00 0.00044 1,662.15 12.777 0.00043 0.00 0.00042 1,772.90 12.776 0.00043 0.00 0.00043 1,883.64 12.775 0.00042 0.00 0.00042 1,994.39 12.774 0.00042 0.00 0.00041 2,105.13 12.774 0.00041 0.00 0.00042 2,215.87 12.773 0.00041 0.00 0.00040 2,326.62 12.772 0.00040 0.00 0.00040 2,437.36 12.771 0.00040 0.00 0.00039 2,548.10 12.771 0.00039 0.00 0.00039 2,658.85 12.770 0.00039 0.00 0.00038 2,769.59 12.769 0.00038 0.00 0.00038 2,880.33 12.769 0.00038 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland M TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 0.00039 2,991.08 12.768 0.00038 0.00 0.00037 3,101.82 12.767 0.00037 0.00 0.00038 3,212.57 12.767 0.00037 0.00 0.00036 3,323.31 12.766 0.00037 0.00 0.00038 3,434.05 12.765 0.00037 0.00 0.00035 3,544.80 12.765 0.00036 0.00 0.00036 3,655.54 12.764 0.00035 0.00 0.00035 3,766.28 12.764 0.00036 0.00 0.00036 3,877.03 12.763 0.00036 0.00 0.00035 3,987.77 12.762 0.00035 0.00 0.00034 4,098.51 12.762 0.00034 0.00 0.00035 4,209.26 12.761 0.00035 0.00 0.00034 4,320.00 12.761 0.00 Maximum Water Elevation: 12.790 feet @ 1.00 hours * Time increment when there is no runoff Maximum Infiltration Rate: 0.000 ft/day Recovery @ > 4,320.001 hours
: 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 1,000 800 600 400 200 0 0 500 1,000 1,500 2,000 2,500 Time (hrs) Total Volume Infiltrated = 6,709 ft³ 3,000 3,500 4,000
13 : WETLAND M 12.5 Water Elevation (ft) 12 11.5 11 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 Time (hrs) Max Water Elevation = 12.79 ft 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200
SUMMARY OF UNSATURATED & SATURATED INPUT PARAMETERS PROJECT NAME : Wetland O POLLUTION VOLUME RUNOFF DATA USED UNSATURATED ANALYSIS INCLUDED Pond Bottom Area 76,500.00 ft² Pond Volume between Bottom & DHWL 69,751.00 ft³ Pond Length to Width Ratio (L/W) 1.19 Elevation of Effective Aquifer Base 5.90 ft Elevation of Seasonal High Groundwater Table 11.93 ft Elevation of Starting Water Level 11.93 ft Elevation of Pond Bottom 11.40 ft Design High Water Level Elevation 12.60 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 0.00 0.00 105.00 0.00 Elevation of Water Level 0.00 0.00 10.50 0.00 Impervious Barrier - Y/N N N N N Elevation of Barrier Bottom 0.00 0.00 0.00 0.00
TIME - RUNOFF INPUT DATA PROJECT NAME: WETLAND O STRESS PERIOD NUMBER INCREMENT OF TIME (hrs) VOLUME OF RUNOFF (ft³) Unsat 0.00 0.00 1 1.00 69,751.00 2 110.74 0.00 3 110.74 0.00 4 110.74 0.00 5 110.74 0.00 6 110.74 0.00 7 110.74 0.00 8 110.74 0.00 9 110.74 0.00 10 110.74 0.00 11 110.74 0.00 12 110.74 0.00 13 110.74 0.00 14 110.74 0.00 15 110.74 0.00 16 110.74 0.00 17 110.74 0.00 18 110.74 0.00 19 110.74 0.00 20 110.74 0.00 21 110.74 0.00 22 110.74 0.00 23 110.74 0.00 24 110.74 0.00 25 110.74 0.00 26 110.74 0.00 27 110.74 0.00 28 110.74 0.00 29 110.74 0.00 30 110.74 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland O TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 00.00-0.00 11.930 0.000 * 0.00 11.930-0.00006-0.00006 1.00 12.600-0.00005 0.00 0.00028 111.74 12.599 0.00027 0.00 0.00027 222.49 12.598 0.00026 0.00 0.00026 333.23 12.597 0.00025 0.00 0.00025 443.97 12.596 0.00024 0.00 0.00024 554.72 12.595 0.00023 0.00 0.00023 665.46 12.594 0.00023 0.00 0.00023 776.21 12.593 0.00022 0.00 0.00021 886.95 12.592 0.00021 0.00 0.00021 997.69 12.592 0.00021 0.00 0.00020 1,108.44 12.591 0.00020 0.00 0.00020 1,219.18 12.590 0.00020 0.00 0.00020 1,329.92 12.589 0.00019 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland O TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 0.00019 1,440.67 12.589 0.00019 0.00 0.00019 1,551.41 12.588 0.00019 0.00 0.00018 1,662.15 12.587 0.00018 0.00 0.00018 1,772.90 12.587 0.00018 0.00 0.00018 1,883.64 12.586 0.00018 0.00 0.00018 1,994.39 12.585 0.00017 0.00 0.00017 2,105.13 12.585 0.00017 0.00 0.00017 2,215.87 12.584 0.00017 0.00 0.00016 2,326.62 12.583 0.00017 0.00 0.00017 2,437.36 12.583 0.00016 0.00 0.00016 2,548.10 12.582 0.00016 0.00 0.00016 2,658.85 12.581 0.00016 0.00 0.00016 2,769.59 12.581 0.00016 0.00 0.00016 2,880.33 12.580 0.00016 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland O TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 0.00016 2,991.08 12.580 0.00016 0.00 0.00015 3,101.82 12.579 0.00015 0.00 0.00015 3,212.57 12.578 0.00015 0.00 0.00015 3,323.31 12.578 0.00015 0.00 0.00015 3,434.05 12.577 0.00015 0.00 0.00015 3,544.80 12.577 0.00015 0.00 0.00014 3,655.54 12.576 0.00015 0.00 0.00015 3,766.28 12.576 0.00015 0.00 0.00014 3,877.03 12.575 0.00014 0.00 0.00014 3,987.77 12.574 0.00014 0.00 0.00014 4,098.51 12.574 0.00014 0.00 0.00014 4,209.26 12.573 0.00014 0.00 0.00014 4,320.00 12.573 0.00 Maximum Water Elevation: 12.600 feet @ 1.00 hours * Time increment when there is no runoff Maximum Infiltration Rate: 0.000 ft/day Recovery @ > 4,320.001 hours
: 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 1,000 950 900 850 800 750 700 650 600 550 500 450 400 350 300 250 200 150 100 50 0 0 500 1,000 1,500 2,000 2,500 Time (hrs) Total Volume Infiltrated = 2,833 ft³ 3,000 3,500 4,000
13 : WETLAND O 12.5 Water Elevation (ft) 12 11.5 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 Time (hrs) Max Water Elevation = 12.60 ft 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200
SUMMARY OF UNSATURATED & SATURATED INPUT PARAMETERS PROJECT NAME : Wetland P POLLUTION VOLUME RUNOFF DATA USED UNSATURATED ANALYSIS INCLUDED Pond Bottom Area 115,382.00 ft² Pond Volume between Bottom & DHWL 11,962.00 ft³ Pond Length to Width Ratio (L/W) 1.37 Elevation of Effective Aquifer Base 5.60 ft Elevation of Seasonal High Groundwater Table 12.22 ft Elevation of Starting Water Level 12.22 ft Elevation of Pond Bottom 11.10 ft Design High Water Level Elevation 12.28 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 0.00 0.00 283.00 0.00 Elevation of Water Level 0.00 0.00 10.50 0.00 Impervious Barrier - Y/N N N N N Elevation of Barrier Bottom 0.00 0.00 0.00 0.00
TIME - RUNOFF INPUT DATA PROJECT NAME: WETLAND P STRESS PERIOD NUMBER INCREMENT OF TIME (hrs) VOLUME OF RUNOFF (ft³) Unsat 0.00 0.00 1 1.00 11,962.00 2 110.74 0.00 3 110.74 0.00 4 110.74 0.00 5 110.74 0.00 6 110.74 0.00 7 110.74 0.00 8 110.74 0.00 9 110.74 0.00 10 110.74 0.00 11 110.74 0.00 12 110.74 0.00 13 110.74 0.00 14 110.74 0.00 15 110.74 0.00 16 110.74 0.00 17 110.74 0.00 18 110.74 0.00 19 110.74 0.00 20 110.74 0.00 21 110.74 0.00 22 110.74 0.00 23 110.74 0.00 24 110.74 0.00 25 110.74 0.00 26 110.74 0.00 27 110.74 0.00 28 110.74 0.00 29 110.74 0.00 30 110.74 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland P TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 00.00-0.00 12.220 0.000 * 0.00 12.220-0.00003-0.00003 1.00 12.280-0.00003 0.00 0.00004 111.74 12.280 0.00002 0.00 0.00001 222.49 12.280 0.00003 0.00 0.00005 333.23 12.280 0.00003 0.00 443.97 12.280 0.00003 0.00 0.00005 554.72 12.280 0.00003 0.00 665.46 12.280 0.00002 0.00 0.00005 776.21 12.280 0.00002 0.00 886.95 12.280 0.00003 0.00 0.00005 997.69 12.280 0.00003 0.00 1,108.44 12.279 0.00003 0.00 0.00005 1,219.18 12.279 0.00002 0.00 1,329.92 12.279 0.00003 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland P TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 0.00005 1,440.67 12.279 0.00003 0.00 1,551.41 12.279 0.00002 0.00 0.00005 1,662.15 12.279 0.00002 0.00 1,772.90 12.279 0.00002 0.00 0.00004 1,883.64 12.279 0.00003 0.00 0.00001 1,994.39 12.279 0.00002 0.00 0.00003 2,105.13 12.279 0.00002 0.00 0.00002 2,215.87 12.279 0.00002 0.00 0.00001 2,326.62 12.279 0.00003 0.00 0.00004 2,437.36 12.279 0.00002 0.00 2,548.10 12.279 0.00003 0.00 0.00005 2,658.85 12.279 0.00003 0.00 2,769.59 12.279 0.00002 0.00 0.00004 2,880.33 12.279 0.00002 0.00
SUMMARY OF RESULTS PROJECT NAME : Wetland P TIME (hrs) WATER ELEVATION (feet) INSTANTANEOUS AVERAGE OVERFLOW (ft³) 0.00001 2,991.08 12.279 0.00001 0.00 0.00001 3,101.82 12.279 0.00003 0.00 0.00004 3,212.57 12.279 0.00002 0.00 3,323.31 12.279 0.00002 0.00 0.00005 3,434.05 12.279 0.00002 0.00 3,544.80 12.279 0.00001 0.00 0.00002 3,655.54 12.278 0.00003 0.00 0.00003 3,766.28 12.278 0.00002 0.00 3,877.03 12.278 0.00003 0.00 0.00005 3,987.77 12.278 0.00003 0.00 4,098.51 12.278 0.00001 0.00 0.00002 4,209.26 12.278 0.00003 0.00 0.00003 4,320.00 12.278 0.00 Maximum Water Elevation: 12.280 feet @ 1.00 hours * Time increment when there is no runoff Maximum Infiltration Rate: 0.000 ft/day Recovery @ > 4,320.001 hours
: WETLAND P 350 340 330 320 310 300 290 280 270 260 250 240 230 220 210 Volume Infiltrated (ft³) 200 190 180 170 160 150 140 130 120 110 100 90 80 70 60 50 40 30 20 10 0 0 500 1,000 1,500 2,000 2,500 Time (hrs) Total Volume Infiltrated = 359 ft³ 3,000 3,500 4,000
12.5 : WETLAND P 12 Water Elevation (ft) 11.5 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 Time (hrs) Max Water Elevation = 12.28 ft 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200
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 12.79 Ft Survey/ESA Area at Starting Water Level Normal Pool Area 175803 sf Measured in CAD Normal Pool Area 4.04 Ac Measured in CAD Seasonal High Water Level (SHWL) 12.79 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) 691.53 Ft Measured in CAD Wetland Width, W (FT) 628.87 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 10.7 5.2 Ft Plans Elevation of SHWL Use Normal Pool (NP) Elevation 11.86 Ft Survey Elevation of Starting Water Level Use Normal Pool (NP) Elevation 11.86 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 10.5 0.0752 Calculated in Spreadsheet based on Table A-1 Unsaturated Vertical Hydraulic Conductivity Kh/1.5 0.13 Calculated Factor of Safety Use 2.0 2 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 10.5 0.0794 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 8 10.5 Ft Plans
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 76500 sf Measured in CAD Normal Pool Area 1.76 Ac Measured in CAD Seasonal High Water Level (SHWL) 12.60 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) 501.43 Ft Measured in CAD Wetland Width, W (FT) 422.74 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 11.4 7.5 Ft Plans Elevation of SHWL Use Normal Pool (NP) Elevation 11.93 Ft Survey Elevation of Starting Water Level Use Normal Pool (NP) Elevation 11.93 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 10.5 0.0752 Calculated in Spreadsheet based on Table A-1 Unsaturated Vertical Hydraulic Conductivity Kh/1.5 0.13 Calculated Factor of Safety Use 2.0 2 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 10.5 0.0794 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 8 10.5 Ft Plans
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 12.28 Ft Survey/ESA Area at Starting Water Level Normal Pool Area 115382 sf Measured in CAD Normal Pool Area 2.65 Ac Measured in CAD Seasonal High Water Level (SHWL) 12.28 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) 732.7 Ft Measured in CAD Wetland Width, W (FT) 536.65 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 11.1 5.6 Ft Plans Elevation of SHWL Use Normal Pool (NP) Elevation 12.22 Ft Survey Elevation of Starting Water Level Use Normal Pool (NP) Elevation 12.22 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 10.5 0.0752 Calculated in Spreadsheet based on Table A-1 Unsaturated Vertical Hydraulic Conductivity Kh/1.5 0.13 Calculated Factor of Safety Use 2.0 2 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 10.5 0.0794 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 8 10.5 Ft Plans
Soil Storage Coefficient Calcuations for MODRET Project Name: IslandWalk Mass Grading Project No.: 048215027 Elevation (ft) Pond Bottom 11.40 SHWE 10.50 CWE 12.60 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 = 0.0445 Average Effective Storage Coefficient for Soil for Saturated Analysis = 0.0794 Source: MODRET Manual Table A-1 Approximate Effective Storage Coefficient of Fine Sands Revision Date 06/04/04
Kh and Kvu Calulations for MODRET Project Name: IslandWalk Mass Grading Project No.: 048215027 County = Sarasota Average existing grade in pond area in feet = 13.00 SCS Soil Type = 22 - Holopaw Proposed pond bottom elevation in feet = 11.40 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 0 50 50-30.8 80.8 0.0 0.1 0.1 0.1 50 66 16 50 0 0.1 0.2 0.2 0.2 66 80 14 0 14 0.1 0.1 0.1 0.1 0 0 0 0.0 0.0 0 0 0 0.0 0.0 Total Depth 80 MODIFY YELLOW HIGHLIGHTED CELLS ONLY!!! Total Depth for Calculation 94.8 (in/hr) (ft/day) Average Saturated Vertical Permeability - Kv 0.1 0.1 (in/hr) (ft/day) Average Unsaturated Vertical Permeability - Kvu 0.0 0.1 Average Saturated Horizontal Permeability - Kh 0.1 0.2 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