Drainage Areas 7-29-04 I - / 0.176AC ~ ~ '~ / ~ ~ ~ I-9,~ ~
/ ~ ~7 0.621AC p.~ ~ I 36 164 SF I ~ ,
0.2~AC CITY OF CHANHASSEN
~7~ ~ ~ ~ I-7.~, ~ RECEIVED
JUL g
~ ~AC l-7,~2 ~ ~ ~ UH ~ CHANHASSEN PLANNING DEPT
STORM SEWER DESIGN WORKSHEET · PROPOSED CONDITIONS
MH/CB
I
INCREMEN
,,OR. I TOTAL IRU"oFFC I ,NCR.Ac I CUMAG ~' T,MEp,pEOFCONCENT.,cUM.T,ME I'NT~"SITY , O,CPS,,G,CPS,.D I P,PESLOPE I;'PEOA".
11
I
IMH/CS AREA RUNOFF INCR. CUM TIME OF CONCENT. INTENSITY INCREMEN TOTAL PIPE PIPE SLOPE PIPE CAP. V PiPE
pROM ITOI'NOR. I TGTAL lc lACI^OI P'PE ,CUM.T,MEI, I Q<OPS~I G<OFS, I D1S 'IQ I MAX I LENGTH
CB30 CB29 1.079 0.52 5.00 f00 7.1I 3.99 3.90 0.00.30 2.26 625 3.64 108.00
CB29 CB28 2,106 0.72 0.5I 5.51 6.90 5.10 8.97 0,01G0 0.46 9.43 3,92 108.00
Q OVER
CAPACITY
2.2605
0.4565
0.5971
0.6723
AREA I RUNOFF
INCR, TOTAL C
0.324 0.324 0.83
0.048 0.372 0.90
0,040 0.420 0,90
INCR. CUM TIME OF CONCENT. INTENSITY
Q (CFS) D S I Q MAX LENGTH CAPACITY
AREA RUNOFF INCR. CUM TIME OF CONCENT. INTENSITY INCREMEN TOTAL PIPE PIPE SLOPE PIPE CAP.
V PIPE Q OVER
MAX LENGTH CAPACITY
853 163.00 3.4233
578 175.00 2. I939
I iNcAR~EA I TOTAL
RUNOFF INCR,
C AC
0.95 1.45
0,95
0.82
0.00
CUM TIME OF CONCENT. INTENSITYINCREMEN PIPE PIPE SLOPE PIPE CAP.
MAX
6.00 6.00 10.54 1034 0.0100 646
0,56 5,56 1020 0.0100 646
0.25 6.82 I252 0.0140
50.00 0.9755
Q OVER
CAPACITY
0.9650
I INCARR'EA [ I RUNOFF INCR. CUM TIME OF CONCENT. INTENSITY INCREMEN TOTAL PIPE PiPE SLOPE PIPE CAP. V PIPE
TOTAL
TO
CB 35
MM 34
CB 33
CB 32
IN TOTAL C
0.581 0.581 0.60
0.942 1.523 0,83
0.000 1.503 0.00
0.205 1.728 0.80
[NCR.
AC
0.35
038
0.00
0.16
0.16
CUM TIME OF CONCENT. INTENSITY INCREMEN
I AC I PIPE ,CUM.TiME I i I Q(CFS}I TOTAL
Q (CFS)
5.00 7.11 2.47 2.47
5.96 6.74 5.24 7.58
6.18 6.66 0,00 7,49
6.18 6.66 1.08 8.57
6.18 6.66 1.02 9.59
D S I Q M~X LENGTH
12 0.0060 053 3.00 219,00
15 0.0140 0.73 8.30 92.00
0.7262
0.8157
0.5771
0.5733