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<br />.
<br />
<br />.
<br />
<br />T ABl.E 4
<br />PROPOSED FLOOD PLAIN ELEVATIONS
<br />
<br />FLOOD ELEVATIONS FOR VARIOUS
<br />H,OOU FREQUENCIES
<br />Page 1 of 2
<br />
<br />.
<br />
<br />CROSS
<br />SECTION
<br />NUMBER
<br />
<br />COAL CREEK
<br />
<br />14.4
<br />
<br />15.0
<br />
<br />15.8
<br />
<br />16.M
<br />
<br />17.2
<br />
<br />17.9
<br />
<br />185
<br />
<br />186
<br />
<br />19,0
<br />
<br />19,1
<br />
<br />19.2
<br />20,0
<br />21.0
<br />21.2
<br />21.4
<br />21.6
<br />21.8
<br />22,6
<br />22,8
<br />
<br />23.6
<br />23,8
<br />24,2
<br />24.9
<br />25,1
<br />25,12
<br />
<br />25.16
<br />
<br />25,2
<br />
<br />REFERENCE
<br />LINE
<br />STATION
<br />
<br />128+00
<br />134+95
<br />
<br />139+40
<br />
<br />143+70
<br />
<br />144+10
<br />147+73
<br />
<br />153+91
<br />
<br />156+49
<br />
<br />159+64
<br />159+90
<br />
<br />160+75
<br />169+67
<br />179+21
<br />183+03
<br />
<br />185+51
<br />187+08
<br />
<br />190+36
<br />190+83
<br />
<br />191 +49
<br />
<br />REFERENCE POINTS
<br />
<br />U/S BRIGGS STREET
<br />L. BOULDER DITCH
<br />
<br />U1S LOW FLOW
<br />CROSSING
<br />
<br />U1S UNION P ACIFlC
<br />RR
<br />
<br />U1S PERRY STREET
<br />
<br />STREAMBED
<br />ELEVATION
<br />
<br />4993.8
<br />4995.4
<br />4998.4
<br />4999.2
<br />4999.4
<br />5000,5
<br />5001.8
<br />5002.0
<br />5002.4
<br />5002.4
<br />
<br />5002.6
<br />5004.0
<br />5005.7
<br />5006.6
<br />5006,8
<br />5007,4
<br />5007,2
<br />5009,3
<br />5009,3
<br />
<br />5009.5
<br />
<br />5009,66
<br />
<br />5009,92
<br />
<br />5010.0
<br />5010,0
<br />
<br />5010.0
<br />5010.5
<br />
<br />5011.0
<br />
<br />FLOOD
<br />ELEVATION
<br />
<br />lO-YEAR FREQUENCY
<br />
<br />DISCHARGE
<br />(CfS)
<br />
<br />5003.30
<br />5005.77
<br />5007.41
<br />5009.13
<br />5010.30
<br />5011.23
<br />5011.36
<br />5011.84
<br />5012.68
<br />5012,68
<br />
<br />5013.03
<br />5014.78
<br />5015.62
<br />5016,55
<br />5017.02
<br />5017.61
<br />5017.87
<br />5017,87
<br />5018,53
<br />
<br />5018.77
<br />
<br />501888
<br />5018,96
<br />
<br />5018.96
<br />
<br />5019.03
<br />
<br />5019.30
<br />5018.59
<br />
<br />5023.39
<br />
<br />6140
<br />6140
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />6160
<br />
<br />6160
<br />
<br />6160
<br />
<br />6160
<br />
<br />6061
<br />6160
<br />
<br />6160
<br />6160
<br />
<br />6160
<br />
<br />FLOOD
<br />ELEVATION
<br />
<br />50-YEAR FREQUENCY
<br />
<br />DISCHARGE
<br />(CFS)
<br />
<br />5004.30
<br />5006.38
<br />500808
<br />5009.42
<br />5010.85
<br />5011.92
<br />5011.92
<br />5012.93
<br />5014.39
<br />5014.40
<br />
<br />5014.92
<br />5017.08
<br />5017.92
<br />5018.82
<br />5019.17
<br />501973
<br />5019.96
<br />5019,96
<br />5020,80
<br />
<br />5021.21
<br />
<br />5021.33
<br />
<br />5021.41
<br />
<br />5021.33
<br />
<br />5021.45
<br />
<br />5021.92
<br /><;021.01
<br />
<br />5024.64
<br />
<br />10040
<br />10040
<br />10040
<br />10040
<br />10040
<br />10040
<br />10040
<br />10040
<br />10030
<br />10030
<br />
<br />10030
<br />10030
<br />10030
<br />10030
<br />10030
<br />10030
<br />10030
<br />10030
<br />10030
<br />
<br />10030
<br />
<br />10030
<br />
<br />10030
<br />
<br />10030
<br />10030
<br />
<br />10030
<br />10030
<br />
<br />10020
<br />
<br />FLOOD
<br />ELEVATION
<br />
<br />100-YEAR FREQUENCY
<br />
<br />DISCHARGE
<br />(CFS)
<br />
<br />5004.70
<br />5006,68
<br />5008,38
<br />5009.75
<br />5010.96
<br />5012,29
<br />5012,09
<br />5013.51
<br />5015.35
<br />5015.36
<br />
<br />5015,92
<br />5018,33
<br />5019,23
<br />5020,02
<br />5020,36
<br />5020,87
<br />5021.08
<br />5021.25
<br />5021.96
<br />
<br />5022.46
<br />
<br />5022.58
<br />
<br />5022,65
<br />
<br />5022.53
<br />
<br />5022,68
<br />
<br />5023.27
<br />5022.30
<br />
<br />5025.57
<br />
<br />12270
<br />12270
<br />12270
<br />12280
<br />12280
<br />12280
<br />12280
<br />12280
<br />12260
<br />12260
<br />
<br />12260
<br />12260
<br />12260
<br />12260
<br />12260
<br />12260
<br />12260
<br />12260
<br />12260
<br />
<br />12260
<br />
<br />12260
<br />
<br />12260
<br />
<br />12260
<br />
<br />12260
<br />
<br />12260
<br />12260
<br />
<br />12250
<br />
<br />FLOOD
<br />ELEV AnON
<br />
<br />500-YEAR FREQUENCY
<br />
<br />DlSCHAR'
<br />(CFS)
<br />
<br />5005,50
<br />5007.44
<br />5009,07
<br />5010.55
<br />5011.60
<br />5012.96
<br />5012,84
<br />5016,54
<br />5017,75
<br />5017,75
<br />
<br />5018,29
<br />5021.00
<br />5021.79
<br />5022.51
<br />5022,91
<br />5023.41
<br />5023,60
<br />5023,61
<br />5026.42
<br />
<br />5027,05
<br />
<br />5027,13
<br />
<br />5027,10
<br />
<br />5026.91
<br />
<br />5027,89
<br />
<br />5028.12
<br />
<br />5027.40
<br />5029.00
<br />
<br />18400
<br />18400
<br />18400
<br />18380
<br />18380
<br />18380
<br />18380
<br />18380
<br />18390
<br />18390
<br />
<br />18390
<br />18390
<br />18390
<br />18390
<br />18390
<br />18390
<br />18390
<br />18390
<br />18390
<br />
<br />18390
<br />
<br />18390
<br />
<br />18390
<br />
<br />18390
<br />18390
<br />
<br />18390
<br />18390
<br />
<br />18350
<br />
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