FLOOD01578

• County: Boulder
• Community: Boulder
• Stream Name: Two Mile Canyon Creek
• Title: FEMA Letter of Map Revision
• Date: 10/15/1992
• Prepared For: Boulder
• Prepared By: Love & Associates, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

166.000 5.50 5479.40 5479.40 .00 5479.88 .48 1.36 .06 5478.20
895.0 306.6 549.9 38.5 186.9 78.9 28.7 56.9 !i7,.9 5478.20
.5' 1.64 6.97 1.34 .130 .080 .130 .000 547:l.90 1004.36
.027300 50. 50. 50. 3 11 0 .00 31B.:i4 1322.89
fLOW DISTRIBUTION FOR SECNO- 166.00 CWSEL" 5479.40

5TA" 1004.
PER 0- 14.0
AREA- 93.2
VEL- 1. 3
DEtlTH'" .6
*SECNO 167.000
3470 ENCROACHMENT STATIONS-
167.000 4.14 5479.74
895.0 468.7 359.0
.59 1.51 5.14
.015551 1. 1.

1160. 1215.
15.7
65.8
2.1
1.2

FLOW DISTRIBUTION FOR SECNO-

5TA-
P8R 0-
AREA-
VEL-
DEtlTH~

947. 1160.
24.4
175.1
1.2
.8

1215.
20.0
90.3
2.0
1.6

1235.
2.3
13.9
1.5
.7

1255. 1275.
2.3 61.4
13.9 78.9
1.5 7.0
.7 3.9

1323.
4.3
28.7
1.3
.6

650.0
.00
67.3
1.25
1.

1800.0 TYtlE- 1
.00 5479.93
311.0 69.8
.130 .080
5 0

1150.0CO
.02
56.9
.000
.00

TARGET"
.18
53.9
,130
o

.C3
57..9
5475.60
393.99

5478.10
5478.10
946.66
1340.64

167.00
1235.
4.0
22.8
1.6
1.1

CWSEL- 5479.74

1255. 12'J5.
40.1
69.8
5.1
3.5

1341.
7.5
53.9
1.2
.8

4.0
22.8
1.6
1.1

*5ECNO 168.000
3302 WARNING; CONVEYANCE CHANGE OUTSIDE OF ACCEtlTABLE RANGE, KRATIO" . 58

190CT92

10:33;16

SECND
o
':IME
SLOPE

DEPTH
QLOB
VLOB
XLOBL

CWSEL
OCH
VCH
XLCH

3470 ENCROACHMENT STATIONS-
168.000 4.93 5480.93
845.0 399.1 431.0
.59 1.95 5.78
.041222 50. 50.

rLOW DISTRIBUTION FOR SECNO-

STA-
PER Q-
AREA-
VEL""
DEPTH"

859.
10.1
60.9
1.4
.5

990. 1135.
35.5
135.3
2.2
.,

CRIWS WSELK EG HV HL OLOSS L-BANK ELEV
QROB AL08 AeH AROB VOl. l'WA R-BANK ELEV
VROB XNL XNCR XNR WTN ELM IN SSTA
nOBR ITRIAL IDC ICONT CORAR TOl?WJD ENDST
850.0 1740.0 TYPE~ 1 TARGET" 890.000
.00 .00 5401.22 .29 1.27 .03 5480.70
14 .9 205.0 74.6 10.7 57.3 58.3 5480.00
1.40 .130 .080 .J.30 .000 5476.00 859.37
50. 2 0 0 .00 349..30 1208.86
168.00 CWSEL~ 5480.93

1150. 1186.
1.7 51.0
8.7 74.6
1.6 5.8
.6 2.1

1209.
1.8
10.7
1.4
.5

*SECNO 169.000
3685 20 TRIALS ATTEMPTED WSEL,CWSEL
3693 PROBABLE MINIMUM SPECIFIC ENERGY
3720 CRITICAL DEPTH ASSUMED

3470 ENCROACHMENT STATIONS"
169.000 3.66 5481.16
845.0 408.3 406.1
.59 2.05 6.28
.055201 1. 1.

FLOW DISTRIBUTION FOR SECNO-

STA-
PER Q~
AREA-
VEL""
DEPTH~

850. 1135.
45.0
187.3
2.0
.7

3.3
12.1
2.3
.8

850.0
5481.16
30.6
1.86
1.

1740.0 TYPE""
.00 5481.48
199.4 64.7
.130 .080
20 17

890.DOO
.06
57.3
.000
.00

TARGET""
.33
16.4
.:.30
o

.:lQ
58.4
5477.50
364.35

5480.70
5480.00
850.00
12J.4.35

169.00

CWSEL"

5481.16

1150. 1186.
48.1
64.7
6.3
1.8

1214.
3.6
16.4
1.,
.6

*SECNO 170.000
3302 ~'1ARNING; CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO ~ l.50

190CT92 10:33:16
SECNO DEPTH CWSEL CRrWS WSELK EG HV HL OLOSS L-BANK ELEV
0 QLOB OCR OROB ALOB ACH ARaB VOL TWA R-BANK ELEV
TIME VLOB VCH VROB XNL x...~CH XNR WTN J.:::LMIN SSTA
SLOPE XLOBL XLCH XLOBR ITRIAL IDC ICONT COMR TOPWID ENDST
3470 ENCROACHMENT STATIONS- 850.0 1740.0 TYPE" 1 TARGET- 890.000
170.000 5.31 5483.31 .00 .00 5483.53 .22 2.03 .01 5482.70
845.0 379.' 437.0 28.1 244.1 88.0 20.9 57.7 58.9 5482.00
.60 1.56 4.96 1.34 .130 .080 .130 .000 5478.00 850.00
.024401 60. 60. 60. 4 0 0 .00 368.00 1218.00

FLOW DISTRIBUTION FOR SECNO- 170.00 CWSEL.. 5483.31
STA- 850. 1135. 1150. 1186. 1218.
PER Q" 42.0 2.' 51. 7 3.3
AREA- 229.8 14.3 88.0 20.9
VEL- 1.5 1.7 5.0 1.3
DEPTH" .8 1.0 2.4 .7

PAGE

40

PAGE 41