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MEE100.RE5 <br />TOTAL AREA(ACRES) = 0.05 PEAK FLOW RATE(CFS) = 0.28 <br />**************************************************************************** <br />FLOW PROCESS FROM NODE 511.00 TO NODE 512.00 IS CODE = 61 <br />>>>>>COMPUTE STREET FLOW TRAVEL TIME THRU SUBAREA<<<<< <br />>>>>>(STANDARD CURB SECTION USED)<<<<< <br />---------------------------------------------------------------------------- <br />--------- <br />UPSTREAM ELEVATION(FEET) = 155.10 DOWNSTREAM ELEVATION(FEET) = 148.20 <br />STREET LENGTH(FEET) = 543.00 CURB HEIGHT(INCHES) = 6.0 <br />STREET HALFWIDTH(FEET) = 17.00 <br />DISTANCE FROM CROWN TO CROSSFALL GRADEBREAK(FEET) = 8.00 <br />INSIDE STREET CROSSFALL(DECIMAL) = 0.020 <br />OUTSIDE STREET CROSSFALL(DECIMAL) = 0.020 <br />SPECIFIED NUMBER OF HALFSTREETS CARRYING RUNOFF = 1 <br />STREET PARKWAY CROSSFALL(DECIMAL) = 0.020 <br />Manning's FRICTION FACTOR for Streetflow Section(curb-to-curb) = 0.0130 <br />Manning's FRICTION FACTOR for Back -of -Walk Flow Section = 0.0200 <br />**TRAVEL TIME COMPUTED USING ESTIMATED FLOW(CFS) = 2.74 <br />STREETFLOW MODEL RESULTS USING ESTIMATED FLOW: <br />STREET FLOW DEPTH(FEET) = 0.31 <br />HALFSTREET FLOOD WIDTH(FEET) = 9.28 <br />AVERAGE FLOW VELOCITY(FEET/SEC.) = 2.80 <br />PRODUCT OF DEPTH&VELOCITY(FT*FT/SEC.) = 0.87 <br />STREET FLOW TRAVEL TIME(MIN.) = 3.24 Tc(MIN.) = 8.24 <br />* 100 YEAR RAINFALL INTENSITY(INCH/HR) = 4.649 <br />SUBAREA LOSS RATE DATA(AMC II): <br />DEVELOPMENT TYPE/ SCS SOIL AREA Fp Ap SCS <br />LAND USE GROUP (ACRES) (INCH/HR) (DECIMAL) CN <br />COMMERCIAL B 1.17 0.30 0.100 56 <br />SUBAREA AVERAGE PERVIOUS LOSS RATE, Fp(INCH/HR) = 0.30 <br />SUBAREA AVERAGE PERVIOUS AREA FRACTION, Ap = 0.100 <br />SUBAREA AREA(ACRES) = 1.17 SUBAREA RUNOFF(CFS) = 4.86 <br />EFFECTIVE AREA(ACRES) = 1.22 AREA -AVERAGED Fm(INCH/HR) = 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 AREA -AVERAGED Ap = 0.10 <br />TOTAL AREA(ACRES) = 1.2 PEAK FLOW RATE(CFS) = 5.07 <br />END OF SUBAREA STREET FLOW HYDRAULICS: <br />DEPTH(FEET) = 0.37 HALFSTREET FLOOD WIDTH(FEET) = 12.03 <br />FLOW VELOCITY(FEET/SEC.) = 3.24 DEPTH*VELOCITY(FT*FT/SEC.) = 1.19 <br />LONGEST FLOWPATH FROM NODE 510.00 TO NODE 512.00 = 560.00 FEET. <br />---------------------------------------------------------------------------- <br />END OF STUDY SUMMARY: <br />TOTAL AREA(ACRES) = 1.2 TC(MIN.) = 8.24 <br />EFFECTIVE AREA(ACRES) = 1.22 AREA -AVERAGED Fm(INCH/HR)= 0.03 <br />AREA -AVERAGED Fp(INCH/HR) = 0.30 AREA -AVERAGED Ap = 0.100 <br />Page 4 <br />