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Data for Forward Landfill (South), Stockton, CA <br />100 -yr storm: TYPE 124 -HOUR RAINFALL= 3.36 IN <br />Prepared by GeoSyntec Consultants 9 Nov 99 <br />HydroCAD S.00 000663 (c) 1986-1998 Applied Microcomputer Systems <br />SUBCATCHMENT 2 <br />Subcatchment 2 <br />PEAK= 1.72 CFS @ 10.02 HRS, VOLUME= .19 AF <br />ACRES CN SCS TR -20 METHOD <br />1.80 79 Open area, fair condition 50-75o TYPE I 24-HOUR <br />RAINFALL= 3.36 IN <br />SPAN= 7-20 HRS, dt=.03 HRS <br />Method Comment Tc (min) <br />TR -55 SHEET FLOW Sheet Flow 1 10.7 <br />Grass: Short n=.15 L=110' P2=1.5 in s=.05 <br />SHALLOW CONCENTRATED/UPLAND FLOW 3H:1V slope •1 <br />Unpaved Kv=16.1345 L=78' s=.33 1/' V=9.27 fps <br />RECT/VEE/TRAP CHANNEL V -ditch, grass lined 1.1 <br />D=1.1' SS= .5 '/' a=2.42 sq -ft Pw=4.9' r=.492' <br />s=.02 '/' n=.03 V=4.37 fps L=281' Capacity=10.6 cfs <br />Total Length= 469 ft Total Tc= 11.9 <br />SUBCATCHMENT 2 RUNOFF <br />Subcatchment 2 <br />TIME (hours) <br />D <br />1.7 <br />1.6 <br />AREA= 1.8 AC <br />1.5 <br />Tc= 11.9 MIN <br />1.4 <br />CN= 79 <br />1.3 <br />1.2 <br />SCS TR -20 METHOD <br />1.1 <br />TYPE I 24-HOUR <br />14- <br />1.0 <br />RAINFALL= 3.36 IN <br />.9 <br />8 <br />PEAK= 1.72 CFS <br />:3 <br />7 <br />8 10.02 HRS <br />J <br />6 <br />VOLUME= .19 OF <br />LL_ <br />.5 <br />.4 <br />.3 <br />.2 <br />.i <br />0.0r <br />m m <br />TIME (hours) <br />D <br />