Revised Stormwater Management Report

[Project Name Description Analysis Date BMP or LID Type BMP, must be>=dBMPu_ Jor undetermined Post-development Land Segment Location of BMP Input Zero i Location is distnbuted Post-D Deficit Recharge West Essex Highlands West Orange, Essex County 05/31/24 ae Ht : = = aes 2 zi z Parameter Symbol Value Unit Parameter Symbol Value Parameter Symbol Value Unit l a Empty Portion BMP Area ABMP. Isqtt lof RWC under Post-D | ERWC 039 in paces of Runoft Qsesign | 1.44 fin Natural Recharge ois said IMP Effective Depth, ERWC Modified to inches of Rainfe ; this is the design variable _| COMP consider dEXC EORWC: [acum ” to capture Peeotan | igmencoea| Upper level of the BMP Ree ay Empty Portion Racharoe:Provided’ surface (negative if above | deMPu lof RWC under infil RERWC 0.00 Jin Picea ity 35.4 [in ai) can vg. over Imp. Area hee Depth offower surface of | anxg, Runoff Captured JAvg. over imp. Area. Volume: ee Solve Problem to ‘satisfy Annual Recharge BMP Check-—> OK GEXC Check-—> OK (or desired recharge Vet IL BMP Recherge: 137,867 |cutt volume) BMP Location Location is selected as distributed or undetermined Represents PostD impervious Area | ginny ca Javg BMP Recharge Seng (Pe (or target Impervic Efficiency Recharged P@Rainfall ReetZone Weter Gepaciy | RWS el lbecame Runoff Bee |« Peesignis accurcte ony ster EMP dimensions are updated to make rech vlume= deft volume, The pection IRWC Modified to soRunoff consider dEXC. DRWC ee” rated, SEAS oF EMP infitration prior to filing andthe area occupied by BMP sre ignored in these calculations. Results are YoRunoff Climatic Factor Cractor | 167 |nounits IRecharged Lol sensetve 1 dEMP, make sure COMP seteced is small enough for BMP to emptyin less than 3 days Ferland JAverage Annual P Pavg 49.0 |in paralntall 5.5% fs Recharged 2 % segment Location of BWP ifyou select "impervious areas” RWC vel be minimal but nal zero as determined by [Recharge Requirement ar 42.4 ii lover imp. Area ho sltype and a shal: rool zone fr this Land Cover aowinn consideration of tera Now and ether css0s "der" \To solve for a small How to solve for different recharge volumes: By default the spreadsheet assigns the values of total deficit recharge volume "VdeP' and total proposed impervious area "Aimp" from the "Annual Recharge” sheet fo i lows soluticn for a single BMP to handle the entire recharge requirement assuming the runoff from

recharge volume "VdeP' and total proposed impervious area "Aimp" from the "Annual Recharge” sheet fo i lows soluticn for a single BMP to handle the entire recharge requirement assuming the runoff from entire impervious area is available to the BMP. IMP or a LID-IMP to recharge only part of the recharge requirement, set Vdef to your target value and Aimp to impervious area directly connected to your infiltration fecility and then solve for |ABMP or dBMP. To go back to the default configuration clik the "Default Vdef & Aimp” button,