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131074BAHM 2025-09-23 9/29/2025 1:29:27 PM Page 30 <br />BMP4 <br />Bottom Length: 198.00 ft. <br />Bottom Width: 10.00 ft. <br />Material thickness of first layer: 1.5 <br />Material type for first layer: BAHM 5 <br />Material thickness of second layer: 1.17 <br />Material type for second layer: GRAVEL <br />Material thickness of third layer: 0 <br />Material type for third layer: GRAVEL <br />Infiltration On <br />Infiltration rate:0.05 <br />Infiltration reduction factor:1 <br />Total Volume Infiltrated (ac-ft.):20.305 <br />Total Volume Through Riser (ac-ft.):22.201 <br />Total Volume Through Facility (ac-ft.):173.572 <br />Percent Infiltrated:11.7 <br />Total Precip Applied to Facility:9.505 <br />Total Evap From Facility:4.126 <br />Underdrain used <br />Underdrain Diameter (feet):0.333333333333333 <br />Orifice Diameter (in.):2.5 <br />Offset (in.):6 <br />Flow Through Underdrain (ac-ft.):131.066 <br />Total Outflow (ac-ft.):173.572 <br />Percent Through Underdrain:75.51 <br />Discharge Structure <br />Riser Height:0.5 ft. <br />Riser Diameter:36 in. <br />Notch Type:Rectangular <br />Notch Width:0.000 ft. <br />Notch Height:0.000 ft. <br />Element Outlets: <br />Outlet 1 Outlet 2 <br />Outlet Flows To: <br />Vault BMP4 <br /> Bioretention Hydraulic Table <br />Stage(feet)Area(ac.)Volume(ac-ft.)Discharge(cfs)Infilt(cfs) <br />0.0000 0.1193 0.0000 0.0000 0.0000 <br />0.0370 0.1192 0.0003 0.0000 0.0000 <br />0.0741 0.1182 0.0007 0.0000 0.0000 <br />0.1111 0.1172 0.0010 0.0000 0.0000 <br />0.1481 0.1161 0.0013 0.0000 0.0000 <br />0.1852 0.1151 0.0017 0.0000 0.0000 <br />0.2222 0.1141 0.0020 0.0000 0.0000 <br />0.2592 0.1130 0.0024 0.0000 0.0000 <br />0.2963 0.1120 0.0028 0.0000 0.0000 <br />0.3333 0.1110 0.0032 0.0000 0.0000 <br />0.3703 0.1099 0.0036 0.0000 0.0000 <br />0.4074 0.1089 0.0040 0.0023 0.0023 <br />0.4444 0.1079 0.0044 0.0023 0.0023 <br />0.4814 0.1068 0.0048 0.0023 0.0023 <br />0.5185 0.1058 0.0052 0.0023 0.0023 <br />0.5555 0.1048 0.0056 0.0023 0.0023 <br />0.5925 0.1038 0.0060 0.0023 0.0023 <br />0.6296 0.1027 0.0065 0.0023 0.0023