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02/07/94 18:16 FAS 208 872 7998 LOVELL SAL�R�AhD �++ FI]LEY/ARCA. AIA �002 <br /> � M[T�ILTEO SCHOOL DISTRICT -- CENTRAL FAL'ILITY <br /> DETENTION STORAGE C.ALCQLATIONS L•SA No. ;2337 <br /> Department of Fisheries Stormwater Release Criteria <br /> ------------------------------ <br /> _=-assmaacc�=���_____________ ______-______ <br /> WETPOND 3IZING 'FOR CITY OF EVERETT (Section 4-10.2 of. Dev Std <br /> (quantities shown "provided" are from design ealculatians belo.:) <br /> Area of impervioue Burface = 5.500 acras � <br /> 6-month, 24-hour storm = 0.990 inchas <br /> Raquirad actiw volume = '�19,765 cf, provided � I 22,919 cf <br /> Re�d. Volume from SCS Calculation = 21,00o cr p x � <br /> Required dead etoraqe voluma � 9,883 cf, provided � 9,795 cf <br /> Reqd min vol within treatment zone � 2,965 ct, provided' = 6,823 cPV • <br /> With dead strg avg depth � 1.33 Et; 'min reqd area <= 2' � 2,229 sf <br /> Provided: (approximate) 1.10 =t; area provided = 3,556 sP <br /> W&TPOND SIZE CAI�CI7I�P+TI�N3 Elev Area,Bt <br /> ---------------�---_____---------------------------------------- <br /> Inv. Elavatioa, normal water surtace = 565.00 � 561.00 240 <br /> Maximum depth ot dead storaqa zone = 4.00 � 562.00' 650 � <br /> Inv. Elavation, bottom of pond = 56I.Q0 � 583.00 ' 2,716 <br /> Dapth ot active atoraqe = 3.33 � 564.00; 3,571 <br /> Mnx Wnter Surface Elevation = 568.33 � 565.00 6,300 <br /> Total storage, @ elev B68.33 ft = 32,71a � 566.00 6,66Q <br /> Total active ctoraqa = 22,419 567.00 6,990 <br /> � .Tot Dead Storaqe & 565.00 ft � 9,795 � 568.00i 7,13Q <br /> * },vg depth of area <= 2� at norm vol 1.10 + 570.00 ' 7,230 <br /> +► Area <� 2 tt deep at normal volume � 3,556 � 571.00; 7;300 <br /> * Vol�n cf area <= Z ft at nors vol = 6,823 r 572.OQ; 7,370 <br /> - -^ �Q'LVE DE1D ----FOID SQBYIC6 SOOT116 COl� dCTIUS C@IX ~DffiD �[ <br /> PO�D IIOHD STOYSGS STOBd68 SC.7P3C8 l3P, QDL '1D'�'�1, 40L hLTI06 STQ3. DSBD <br /> 76 E4 • DBPSH DEPfH DEPi'H 1BEZ Id(3 UCR VOL ffiC8 VOfAI� IIICR S40F�GS <br /> � 56I.00 0.00 ---0.�-'�t70Y 240 Y .240 0 � 0� 0�~OY'~--U----C <br /> 561.33 0.3� 0.00 - 3.67 303 63 90 40 0 0 �40 90 <br /> 561.6? 0.67 0.00 - 3.33 373 10 1i3 XV3 0 0 113 203 <br /> 561.00 1.00 0.00 � 3.00 450 17 31 3C0 0 0 177 340 <br /> 562.33 1.33 0.00 - Z.6T 993 SL3 ell 581 0 0 241 581 <br /> 562.b7 1.67 0.00 - 7.33 1168 T55 457 2038 0 0 157 1038 <br /> 863.00 2.00 0.l10 - 2.OQ ]T16 %8 74d 118� 0 0 744 1782 <br /> 563.33 2.33 0.00 - 1.67 298E 271 951 2732 0 0 951 Z732 <br /> 543.61 ].61 0.00 - Y.33 3273 7E5 1066 3716 0 0 IOL4 3176 <br /> 564.00 3.00 0.00 - 1.00 35T1 298 lldl 4411 0 0 11A1 4917 <br /> 56LJ3 3.33 0.00 - 0.67 �395 E24 132t 62<4 0 0 1326 62/1 <br /> 566.67 3.67 0.00 - 0.33 5305 93A 161? 7861 0 0 1617 7861 <br /> 565.00 4.00 �BlI1L i13SL 6300 995 1934 9795 � 0 I934 9135 <br /> 565.33 6.33 033 0.00 6d8G lt6 2131 Sl92fi 2131 2131 I 0 9795 <br /> 565.67 �.61 0.67 0.00 667i i{7 2192 IQLB 2192 4373 0 9i?5 <br /> 566.00 5.00 L.00 0.00 68b0 189 2755 16373 I255 6578 0 9795 <br /> 566.33 5.33 1.33 0.00 f903 11 229� I6661 2296 6872 ! 0 9T95 . <br /> 566.67 5.61 1.67 0.00 69d7 C1 230! �0975 2308 1L80 0 9795 <br /> 56T.00 6.00 2.00 0.00 6940 l3 1323 23298 ]323 13503 0 9795 <br /> 5b7.33 fiJ3 ]33 0.00 7037 47 233d 25636 237i 15!{1 I 0 9795 <br /> 567.61 6.67 4.67 0.00 7083 <T 2353 27469 I353 18194 ' 0 919b <br /> 56l.00 7.00 3.00 0.00 7130 67 2369 3035i 2369 20563 0 9795 <br /> 56833 7.33 3.33 0.00 11<6 16 2356 327:4 2356 22914 0 9795 <br /> 569.33 5.73 6.33 0.� 7197 5Q 1795 39909 1145 301:4 0 9795 <br /> 570.00 9.00 5.00 0.00 1230 33 4809 4471E E809 34423 0 9T?5 <br /> 11L� \5`,]]]1.001. LCCC . <br />