Laserfiche WebLink
� " DIVINE CUSTOM HOMES <br /> . <br /> LOT 3, BLOCK 2,MOONEY LAKE PRESERVE <br /> RAIN GARDEN CALCULATIONS <br /> May 12,2016 RE�EIVED <br /> MAY 13 2016 <br /> EXISTING CONDITIONS C��( QF ORONO <br /> Drainage area = 1.72f AC. <br /> Runoff"CN"no. = 58 <br /> Time of conc. = 15 minutes <br /> Q1 = 0.06 CFS <br /> Q10 = 1.45 CFS <br /> Q100 = 5.81 CFS <br /> PROPOSED CONDITIONS <br /> Drainage area = 1.72f AC. <br /> Runoff"CN"no. = 69 <br /> Time of conc. = 10 minutes <br /> After ponding,NWL = 998.5 <br /> Q1 = 0.90 CFS --> 0.03 CFS,Elev = 998.58 <br /> Q10 = 3.72 CFS —► 0.52 CFS,Elev = 999.02 <br /> Q100 = 10.06 CFS —� 2.49 CFS,Elev = 999.85 <br /> INFILTRATION(1"over impervious surfaces) <br /> Proposed house,sport court&porch = 5,540 SF <br /> Proposed drive,walk&patio = 10,120 SF <br /> 15,660 SF <br /> 15,660 SF X 1"/12 ft per in.= 1305 CF required <br /> ELEVATION(F1� AREA(SF) VOLUME(CF) <br /> 998.5 2200 <br /> > 1500 CF <br /> 997.75 1800 <br /> � ��� <br /> Drawdown = 9"=0.3 in/hr for B soils = 30 hours a��'�g� <br />