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TIME OF CONCENTRATION(MIN.) - 13.89 <br />RAINFALL INTENSITY(INCH/HR) - 3.45 <br />AREA -AVERAGED Fm(INCH/HR) - 0.03 <br />AREA -AVERAGED Fp(INCH/HR) - 0.30 <br />AREA -AVERAGED Ap = 0.10 <br />EFFECTIVE STREAM AREA(ACRES) = 1.69 <br />TOTAL STREAM AREA(ACRES) = 1.69 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE - 5.20 <br />" CONFLUENCE DATA " <br />STREAM Q Tc <br />Intensity <br />Fp(Fm) Ap Ae HEADWATER <br />NUMBER (CIS) (MIN.) <br />(INCH/HR) <br />(INCH/HR) (ACRES) <br />NODE <br />1 19.30 8.58 <br />4.542 <br />0.30( 0.03) 0.10 4.2 <br />200.00 <br />2 3.66 16.39 <br />3.133 <br />0.30( 0.03) 0.10 1.3 <br />220.00 <br />3 5.20 13.89 <br />3.996 <br />0.30( 0.03) 0.10 1.7 <br />230.00 <br />RAINFALL INTENSITY AND TIME <br />OF CONCENTRATION <br />RATIO <br />CONFLUENCE FORMULA USED FOR <br />3 STREAMS. <br />" PEAK FLOW RATE TABLE " <br />STREAM Q Tc <br />Intensity <br />Fp(Fm) Ap Ae HEADWATER <br />NUMBER (CIS) (MIN.) <br />(INCH/HR) <br />(INCH/HR) (ACRES) <br />NODE <br />1 26.32 8.58 <br />4.542 <br />0.30( 0.03) 0.10 5.9 <br />200.00 <br />2 23.21 13.89 <br />3.996 <br />0.30( 0.03) 0.10 7.0 <br />230.00 <br />3 21.65 16.39 <br />3.133 <br />0.30( 0.03) 0.10 7.2 <br />220.00 <br />COMPUTED CONFLUENCE ESTIMATES <br />ARE AS <br />FOLLOWS: <br />PEAK FLOW RATE(CFS) - <br />26.32 <br />Tc(MIN.) - 8.58 <br />EFFECTIVE AREA(ACRES) - <br />5.91 <br />AREA -AVERAGED Fm(INCH/HR) - <br />0.03 <br />AREA -AVERAGED Fp(INCH/HR) <br />= 0.30 <br />AREA -AVERAGED Ap = 0.10 <br />TOTAL AREA(ACRES) = <br />7.2 <br />LONGEST FLOWPATH FROM NODE <br />230.00 <br />TO NODE 240.00 = 1222.00 <br />FEET. <br />a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa <br />FLOW PROCESS FROM NODE <br />240.00 TO <br />NODE 260.00 IS CODE = 91 <br />»»>COMPUTE PIPE -FLOW TRAVEL <br />TIME <br />THRU SUBAREA««< <br />»»>USING USER -SPECIFIED <br />PIPESIZE <br />(EXISTING ELEMENT) ««< <br />ELEVATION DATA: UPSTREAM(FEET) = 137.50 DOWNSTREAM(FEET) = 137.00 <br />FLOW LENGTH(FEET) = 71.00 MANNING'S N = 0.013 <br />DEPTH OF FLOW IN 30.0 INCH PIPE IS 20.0 INCHES <br />PIPE -FLOW VELOCITY(FEET/SEC.) - 7.57 <br />GIVEN PIPE DIAMETER(INCH) = 30.00 NUMBER OF PIPES = 1 <br />PIPE-FLOW(CFS) - 26.32 <br />PIPE TRAVEL TIME(MIN.) = 0.16 Tc(MIN.) = 8.73 <br />LONGEST FLOWPATH FROM NODE 230.00 TO NODE 260.00 = 1293.00 FEET. <br />a aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa <br />FLOW PROCESS FROM NODE 260.00 TO NODE 260.00 IS CODE = 1 <br />»»>DESIGNATE INDEPENDENT STREAM FOR CONFLUENCE««< <br />TOTAL NUMBER OF STREAMS = 2 <br />CONFLUENCE VALUES USED FOR INDEPENDENT STREAM 1 ARE: <br />TIME OF CONCENTRATION(MIN.) - 8.73 <br />RAINFALL INTENSITY(INCH/HR) = 4.50 <br />AREA -AVERAGED Fm(INCH/HR) - 0.03 <br />AREA -AVERAGED Fp(INCH/HR) - 0.30 <br />AREA -AVERAGED Ap = 0.10 <br />EFFECTIVE STREAM AREA(ACRES) - 5.91 <br />TOTAL STREAM AREA(ACRES) = 7.18 <br />PEAK FLOW RATE(CFS) AT CONFLUENCE - 26.32 <br />+ <br />+ <br />EX-Bl <br />+ <br />+ <br />-k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k -k I I I I I I I I I I I I I I I I I x x <br />FLOW PROCESS FROM NODE 250.00 TO NODE 251.00 IS CODE = 21 <br />