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stormwater.mang.2004.pg8 47392-CLUTE - SELF STORAGE Type // 24-hr Rainfall=4.90" Prepared by {enter your company name here} Page 1 HydroCAD®6 10 s/n 002373 © 1986-2002 Applied Microcomputer Systems 2/3/2004 Time span=5.00-20.00 hrs, dt=0.05 hrs, 301 points Runoff by SCS TR-20 method, UH=SCS, Type 11 24-hr Rainfall=4.90" Reach routing by Stor-Ind+Trans method - Pond routing by Stor-Ind method Subcatchment 1S: SOUTHWEST CORNER DRAINAGE AREA Runoff Area=12,228 sf Runoff Depth=2.78" Length=150' Tc=3.0 min CN=82 Runoff-- 1.58 cfs 0.065 of Subcatchment 2S: SOUTHEAST DRAINAGE AREA Runoff Area=34,324 sf Runoff Depth=2.69" Length=120' Tc=2.1 min CN=81 Runoff--4.26 cfs 0.177 of Subcatchment 3S: CENTRAL DRAINAGE AREA Runoff Area=26,147 sf Runoff Depth=4.28" Length=70' Tc=1.4 min CN=98 Runoff--4.55 cfs 0.214 of Subcatchment 4S: NORTH DRAINAGE AREA Runoff Area=46,385 sf Runoff Depth=2.60" Length=120' Tc=2.1 min CN=80 Runoff-- 5.59 cfs 0.231 of Pond 1P: SOUTHWEST DETENTION BASIN Peak Storage=484 cf @ 97.10' Inflow= 1.58 cfs 0.065 of Discarded= 0.85 cfs 0.065 of Outflow-- 0.85 cfs 0.065 of Pond 2P: (new Pond) Peak Storage= 922 cf @ 96.49' Inflow--4.26 cfs 0.177 of Discarded=2.59 cfs 0.177 of Outflow--2.59 cfs 0.177 of Pond 3P: 4 DWS AND 117 LF INFILTRA. TRENCH Peak Storage=2,763 cf @ 95.59' Inflow=4.55 cfs 0.214 of Primary= 1.91 cfs 0.212 of Outflow-- 1.91 cis 0.212 of Pond 4P: NORTH DRAINAGE BASIN Peak Storage=485 cf @ 96.11' Inflow= 5.59 cfs 0.231 of Discarded=4.23 cfs 0.233 of Outflow--4.23 cfs 0233 of Total Runoff Area = 2.734 ac Runoff Volume = 0.687 of Average Runoff Depth = 3.01"