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H N Le6tinen � °i� <br />EneineerinQ <br />3216 Wetmore Ave. Pa�e No. oi <br />Everett, WA 98201 <br />NZsi:sZ-237'� C,URU SHOP.T PLAT <br />gTpRM DRAINAf3E AN&LYSIS AND C)►I+CULATIONS <br />DfiTENTION VOLUMT AFTTR SAFETY FACTOR <br />����s��s��a��������a�ss�t�����81i'��S••j�RY �������t��t���������������� <br />BABIN ID: AS <br />SBUH METHODOLOGY <br />TOTAL ARfiA........ <br />RATNFALL R'YPE••••: <br />PREC7PITATION....: <br />TIME INTERVAL....: <br />NAME: 10 YEAR DEVBLOPTD <br />0.43 Acree <br />'PYpElA <br />2.25 iachee <br />1G.00 min <br />pg9TgACTION COEFF: 0.20 <br />pEAK RATE: 0.14 CL9 VOL: <br />SASIN ID: A6 <br />SBUH METHODOLOGY <br />TOTAL AREA•••••••� <br />RAINFALL TYP$••••: <br />PRECTPITATION....: <br />TIM6 INTERV)�L....: <br />BABEFLOWB: <br />ARfiA . . . <br />CN..... <br />TC..... <br />0.00 cfe <br />pTeRV <br />0.21 Acres <br />85.00 <br />5.00 min <br />0.05 Ac-ft TIME: 480 min <br />NAME: 100 YEAR DfiVELOPED <br />0.43 Acree <br />'PYpElA <br />3.25 inches <br />10.00 min <br />pggTRACTION COEFF: �•20 <br />pEAK RATE: 0.23 Cf6 VOL: <br />SASEFLOWB: <br />ARSJ1. . . <br />CN..... <br />TC..... <br />0.00 cfe <br />PERV <br />0,21 Acree <br />85.00 <br />5.0o min <br />0.09 Ac-!t TIMS: 480 min <br />ZMP <br />p.22 Acree <br />98.00 <br />5.00 min <br />IMP <br />0.22 Acree <br />98.00 <br />5.00 min <br />