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DEC-05-2003 FRI 02�34 PM TONY EIDEN COMPANY FAX N0, 763 559 6423 P. 05 <br /> ► <br /> �r <br /> �Q��..'� Type ll 24-hi Ralnfall=275° <br /> Prepared by MFRA �� <br /> HvdroCAD�6.00 sJn 000887 O 1886-204�1 A alied Microcomputer Svstems 1� <br /> Pond 1 P: Wetiand <br /> 1s pr��P <br /> in�ow = ��.ss c�s� �Z.os �•r�, va�me= o.sn a� <br /> putflow = 7.90 cFs� 12.19 'r rs� Vdume= 0.672 af, Atten=30q6, L�=6.6 min <br /> Prirrtary = 7.90 cfs� 12.19 h�s� Vdume= 0.872 af <br /> Second�y= 0.00 cfs� 5.Q0 I�rs. Volume= 0.000 af <br /> Roudng by Stor-Ind method,Time Spa^=5.00-20.00 hrs,dt=0.05 hrs <br /> Peak Elev=976.31' Storage=3,610 cF <br /> Plug-Flow detention timme=7.9 min calc ul�ted for 0.670 af(99°�6 of inflow) <br /> Storage and wetted areas determined �y Prismatic sections <br /> Elevation Surf.Anea In�:.Store Cum.Store <br /> lfeet) (sq-ft) (cut io-feet) cubio-feet) <br /> 975.00 400 0 0 <br /> 976.00 1�700 1�050 1.Q50 <br /> 977.00 15�000 8,350 9�400 <br /> 978.00 26,285 ;?0,643 30,043 � <br /> Primary OutFlow (Fr��Disd�arge) � <br /> 'L1=Culvert <br /> Secartd�ry OutFlow (Free Discharge;� <br /> L2=Broad-Crested Rectangular Weir <br /> # Routi�ny Invert Outlet De�„rices <br /> 1 Primary 975.00' 24.0" x 4!i.0'long Culvert CMP�end-section ccnforming�fill. Ke=0.500 <br /> Outlet Irn i�rl=973.90' S=0.0244'P n=0.024 C�0.900 <br /> 2 Secondary 878.00' 12.0' lon� x 72.0'breadth Broad-Crested Rectan�ular Weir <br /> Head (fef;�:) 0.20 0.40 0.60 0.80 1.00 1.20 1.40 1.60 <br /> Coef. (Er�=�li3h) 2.57 2.62 2.70 2.67 2.66 2.67 2.66 2.64 <br />