130 environmental park attachment c2...

130 ENVIRONMENTAL PARK

ATTACHMENT C2

APPENDIX C2-B

EXISTING CONDITIONS HEC-HMS EVALUATION

Includes pages C2-B-1 through C2-B-17

Technically Complete October 28, 2014

CONTENTS

Existing Condition Discharge Summary .. .... ... .. .... .. .... ... ..... ... ....... ... ...... .. ..... ...... .. .. C2-B-1

Watershed Characteristics ...... ... .... ..... ........ ... ... ....... .. .... .. .. ..... ......... ........ .... ...... .... C2-B-3

Rainfall Data ... ... ... ..... ... .... .. ..... ....... ... ..... ........ ... .. ... ... .... .... ...... .. .... .. ... ..... .... ... .. .. ... C2-B-6

Site 21 Reservoir Data ...... ...... ..... ....... .. .......... .. .... ... ..... ....... ......... ... .. ... ... ..... ... .... .. C2-B-9

HEC-HMS Schematic .... .. .... ... ... ..... .. ..... .. .. .... ..... .... .. .. .. ....... .... ... .... ....... ...... .... .... . C2-B-11

Hydrologic Analysis ... ... ..... ....... ...... .. ... ... .. ..... .... ....... .. ...... .. ... .. ... .. .... .. ..... .... .... ... .. C2-B-13

Biggs & Mathews Environmental M:IPROJ\129106\101 \PIPART 3 ATT C2 APP C2-B.DOCX

C2-B-ii

Biggs & Mathews, Inc. Firm Registration No. F-834

130 Environmental Park -Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-B

EXISTING CONDITION DISCHARGE SUMMARY

Biggs & Mathews Environmental M:\PROJ\129\06110 1\P\PART 3 ATI C2 APP C2-B.DOCX

C2-B-1 130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-B

130 Environmental Park Existing Conditions Discharge Summary

Flow Change 100-Year Peak

Location/Cross-Section Discharge (cfs)

A11.4 5381.0

A7.00 7266.0

Bl2 .0 1933.4

B7.17 2909.0

B3 .7 3803.2

Cl.71 975 .7

D3 .88 337.2

Biggs & Mathews Environmental M:\Proj\129\06\101\P\Part 3 Att C2 Pgs C2-B-5, 7, 8, 10.xlsx Exist Cond Discharge (C2-B-2)

25-Year Peak

Discharge (cfs)

3939.6 5326.5

1410.5 2127.1 2761.0

716.6 245.4

C2-B-2

Hydrologic Element

Basin : DC-2

Junction : Dry Creek Basin : UNT-5

Junction : North Junction : South

Basin : UNT-4 Basin: UNT-2

130 Environmental Park - Type I Technically Complete October 28, 2014

Attachment C2, Appendix C2

WATERSHED CHARACTERISTICS

Biggs & Mathews Environmental M:IPROJl1291061101 1PIPART 3 ATT C2 APP C2-B.DOCX

C2-B-3 130 Environmental Park -Type I Technically Complete October 28, 2014 Part Ill, Attachment C2, Appendix C2-B

QI

E nJ z

"'C QI .c VI ... QI +"' nJ s

UNT-1

UNT-2

UNT-3

UNT-4

UNT-5

DC-1

DC-2

nJ

~ <(

"'C -QI I.I .c nJ VI -... QI +"' nJ s 161.82

134.66

141.81

448.48

913.94

884.64

2905.38

Biggs & Mathews Environmental

nJ

~ <( "'tJ N-

QI • ...:

~ ~ ... -QI +"' nJ s 0.253

0.210

0.222

0.701

1.428

1.382

4.540

-"'C QI +"' .c ti.()

·a;

! z u

82

78

79

81

79

82

80

M:\Proj\129\06\101\P\Part 3 Att C2 Pgs C2-B-5, 7, 8, 10.xlsx Existing Watershed CN (C2-B-4)

130 Environmental Park Watershed Runoff Curve Numbers Existing Watershed Characteristics

Partial Areas of Cover Type and Soil Group (ac)

~6 ·- 0.. nJ :J ,..., :=.. 0 ,..., .C ,_ II VI I.!) 2 2 ;: u co 0

I/)

15.73

82.05

31.94

166.95

332.63

424.10

677.49

' :0- ' 0 c 0 0.. 0 ti.() :J 00

- 0 QI ,_ II ... I.!) z .a ;: u VI 0 ~ I/)

1.56

105.08

545.12

31.58

1611.60

C2-B-4

~c nJ 0.. o::t :=.. :J 00 QI e II :; I.!) z t; ;: u nJ 0 Q. I/)

10.40

4.78

4.82

3.25

3.57

4.67

§' c' Q O.. M er::: :J O'\

~ e II -1.!) z "'C ;: u QI 0 > I/) nJ Q.

0.32

91.85

11.02

4.00

57.91

' -I.I ' nJ c !! 0.. o::t - :J 00 .~ e II -;: I.!) z QI - u

"'C ·-·- 0 VI I/) QI

er:::

70.87

~ c' 'iij 0.. O'\ - :J ,..., -; e II "'C I.!) z g ;: u s ~

106.03

44.85

104.89

81.36

17.50

245.70

455.85

' 00 ... C"I 2l II nJ z s u

28.09

2.66

0.16

4.11

174.59

31.66



Sheet Flow "O (]) ......... (]) (]) en en en ...-.. c . en ...-..

..c (]) - en .._ - 0 -~ .._ ¢:::

~ E en <J.> :::i~ ~ ....._.. :::i:;::, 0 ..c cu - o-c c (]) cu ·- ..c u- ~ cu u .._.,

-mz c en .._ en a. - .._ (]) ·- 0 s c :::i (]) c C) I- (]) a.

cu 0 - (]) (]) .._ - 0 ~ c::: cu --' .._ >. ~ (/) s 0.... N

DC-2 0.24 240 3.60 0.03 DC-1 0.13 270 3.60 0.01 UNT-1 0.13 260 3.60 0.01 UNT-2 0.40 280 3.60 0.01 UNT-3 0.13 260 3.60 0.01 UNT-4 0.24 275 3.60 0.01 UNT-5 0.24 250 3.60 0.03


M:\Proj\129\06\101\P\Part 3 Att C2 Pgs C2-B-5, 7, 8, 10.xlsx Existing Lag Time (C2-B-5)

130 Environmental Park SCS Unit Hydrograph Lag Time

Existing Watershed Characteristics

Shallow Cone. Flow (]) (]) en ...-.. en - en ...-.. ......... .._ - en c .._ ¢::: ......... .._ :::i~ (]) (]) :::i:;::,

.._ ..c

0 ..c o- ..c .._., c "(3 .._., u- ..c ·- u .._.,

(]) .._ en en ::i:: .._ (]) Q)

E E (]) c :::i (]) (]) a. i= - (]) 0 0 - 0 i= cu --' c::: u ~ (/) s 0.38 8945 16.13 0.01 1.62 0.40 6467 16.13 0.01 1.17 0.51 3384 16.13 0.03 0.37 1.17 2882 16.13 0.01 0.45 0.51 1947 16.13 0.03 0.21 0.88 6501 16.13 0.01 1.34 0.40 8589 16.13 0.01 1.78

C2-B-5

Channel Flow .........

~£ c C) cu 0 ......... al - en (]) a. 0i> ~ >= <{ :::i

LL

4.08 0.00 0.00 3.27 3.50 2.86 3.52

c (]) ......... E en ...-.. - .._ .._ - .........

0 :S .._., :::i~ .....: Q) 0 ..c ..c (]) .

E g E U-.._.,

.._ en (]) i= i= 0 (]) c E u - (]) i= en

cu --' cu s --'

14140 0.96 2.97 107 0 0.00 1.57 57 0 0.00 0.88 32

2948 0.25 1.87 67 995 0.08 0.80 29

1437 0.14 2.35 85 2943 0.23 2.42 87



Water Course Reach Name Length (ft)

Dry Creek 1000

Reach-2.0 656

Reach-2.1 3455

130 Environmental Park

Kinematic Wave Routing Parameters

Existing Watershed Characteristics

Water Course Manning's Slope (ft/ft) Roughness Shape

0.010 0.045 Trapezoid



C2-B-Sa

Bottom Width Side Slope (ft) (xH:1V)

30.00 5

17.00 12

15.00 25

Biggs & Mathews Environmental 130 Environmental Park Type I M:\Proj\129\06\101\P\Part 3 Att C1 & 2 App C1-B & C, C2 Pgs C1-B-12a, C1-C-11a, C2-B-5a.xlsx Technically Complete October 28, 2014

Attachment C2, Appendix C2-B

RAINFALL DATA

Biggs & Mathews Environmental M:\PROJ\129\06\101 \P\PART 3 ATT C2 APP C2-B.DOCX

C2-B-6 130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-B

Duration

Precipitaion

Depth (in.)

Precipitaion

Depth (in.)


15 min . 30 min . 1 hr. 2 hr.

1.90 2.50 3.35 4.33

2.46 3.13 4.42 5.80

130 Environmental Park Hypothetical Storm Data

3 hr. 6 hr. 12 hr. 24 hr.

25 Year Return Period

4.71 5.31 6.09 7.70


6.38 7.00 8.34 10.40

2 day 3 day 5 day 7 day 10 day*

9.00 9.60 10.00 10.80 13.40

11.70 13.00 13.20 14.20 16.80

Precipitaion Depths from : Asquith, W.H., and Roussel, M .C., 2004, Atlas of depth-duration frequency of precipitation

annual maxima for Texas: U.S. Geological Survey Scientific Investigations Report 2004-5041, 106 p. (TxDOT

Implementation Report 5-1301-01-1)

*Precipitation Depths from: Technical Paper No. 49; Two to Ten-Day Precipitation for Return Periods of 2 to 100 Year in

the Contiguous United States

M:\Proj\129\06\101\P\Part 3 Att C2 Pgs C2-B-5, 7, 8, 10.xlsx Precipitation (raw) (C2-B-7) C2-B-7



Duration 5 min. 15 min. 30 min.

Precipitaion

Depth (in.) 1.69 2.24 2.68

100 Year Return Period Precipitaion

Depth (in .) 2.21 2.94 3.52

130 Environmental Park Hypothetical Storm Data

1 hr. 2 hr. 3 hr. 6 hr. 12 hr.


3.20 3.82 4.24 5.07 6.06

4.21 5.04 5.59 6.69 8.00

24 hr. 2 day 4 day 7 day 10 day*

7.24 8.65 10.34 11.94 13.09

9.57 11.45 13.70 15.83 17.36

Precipitation depths used in the 10 day frequency storm meteorlogical model within the HEC-HMS hydrological model for

flood analysis. Precipitation depths were "smoothed" using regression methods as suggested in the HEC-HMS Technical

Reference Manua l.

Biggs & Mathews Environmental M:\Proj\129\06\101\P\Part 3 Att C2 Pgs C2-B-5, 7, 8, 10.xlsx Precip (smoothed) (C2-B-8) C2-B-8



SITE 21 RESERVOIR DATA

Biggs & Mathews Environmental M:IPROJl12910611011PIPART 3 ATI C2 APP C2-B.DOCX

C2-B-9 130 Environmental Park- Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-B

Reservoir Description:

Downstream: CP8

130 Environmental Park Pond Data for HEC-HMS

Site 21

Paired Data Elevation Storage Functions

Site 21 Elev Area

Method: Outflow Structures

Elevation-Area-Discharge

Site 21 Elev Area

Elevation Area Volume Storage Method:

Elev-Area Function:

Elev-Dis Function Primary:

Initial Condition:

Initial Elevation :

Site 21 Elev-Discharge

Elevation-Discharge

Elevation

498.5 ft

Paired Data Elevation Discharge Functions

Site 21 Elev-Discharge

(ft) 498.10

502

504

506 508

510

512

514

516

518

520

522

(ac-ft) (ac-ft) 22 .00 0.00

54.75 149.66

81.00 285.41

113.05 479.45

141.47 733.97 173.17 1048.60 204.87 1426.65 256.45 1887.97

296.24 2440.66

343.69 3080.59 411 .10 3835.38

455.40 4701 .88

Elevation Discharge Elevation Discharge Elevation Discharge Elevation Discharge

(ft} (cfs) (ft) (cfs) (ft)

498.50 0.02 500.20 48.50 501.90

498.60 0.83 500.30 50.78 502 .00

498.70 2.18 500.40 52.97 502.10

498.80 3.91 500.50 55.08 502.15

498.90 5.94 500.60 57.10 502.96

499.00 8.25 500.70 59.06 503 .78

499 .10 10.79 500.80 60.96 504.62

499.20 13.54 500.90 63.11 505.49

499.30 16.50 501.00 65.43 506.37

499.40 19.65 501.10 67.84 507.28

499 .50 22.98 501.20 70.33 508.20

499.60 26.48 501.30 72.88 509.16

499.70 30.13 501.40 75 .49 510.12

499.80 33.95 501.46 77 .08 511.10

499.84 39.16 501.50 79.45 512.10

499.90 40.87 501.60 81.82 513 .13

500.00 43.56 501.70 84.07 514.17

500.10 46.09 501.80 86.24 515.24

Biggs & Mathews Environmental M:\Proj\129\06\101\P\Part 3 Att C2 Pgs C2-B-5, 7, 8, 10.xlsx Site 21 (C2-B-10) C2-B-10

(cfs) (ft) (cfs)

88.33 516.32 137.50 90.35 517.43 382 .71 92.31 517.87 839.48

100.00 518.10 1134.54

102.50 518.32 1447.38 105.00 518.56 1819.62

107.50 518.78 2187.12

110.00 519.23 3010.38 112.50 519.70 3963.76 115.00 520.16 4981.12 117.50 520.63 6100.01 120.00 520.86 6675.17

122.50 521.10 7293 .83 125.00 521.57 8558.14 127.50 522.04 9889.19 130.00

132.50

135.00



s::~ :..;..<0 "U(Q

.g;, N s:: <.O Q)

6 st Ol CD :::;: :;: o"' ;::!m "U ::::J ~< "'CJ:::; · Q) 0 ;:::i. ::::J I 520 (,.) 3 )> CD ~ ;. o-)>

""O ""O () -~ ...J 0 "' 515 3 ::!:

""O G)

::::J > a. 0 3 ..0 Vi ns ;!o ... m G)

<: () G)

~N ~510 (/) ' c: x ~ 0

0 ~ ns ~ >

G)

w G)

~ 505 :::I

"' ... G) ...

rot

I ns

0 3: ::::; ::::J 500 c;·

)> !!!.. ~ ::::"<"° (...) ~00 ::::; om 3 3 ~ CD ""O - · a ro a o ro- ::::J

-"'O~ I )> 0 ::::J 495 -c Oii> ""O O" -CD CD "U ::::J ~ Q) a. N ~ -· CX>"'" x - -I () N'< NO""O ' ~CD lll.i:.-

,.--~-·-., ·-. ...........

,, ·-........... ·-.........

Stage-Discharge Relationship Plum Creek Watershed

Floodwater Retarding Structure No. 21

-,, 275' Wide Auxiliary Spillway Engaged @ 517'

..(------------------------------------Outlet Control Begins at 502.15' (230' of 30" concrete pipe)

~-------------------------4 Top Ports Engaged at 500.79' (0.85'w x 0.67'h) , :f-. ___________

--- 4 Bottom Ports Engaged at 498.5' (2'w x 1.35'h)

0 1,000 2,000 3,000

Discharge (cfs)

4,000 5,000

HEC-HMS SCHEMATIC

Biggs & Mathews Environmental C2-B-11 M:\PROJ\129\06\101 \P\PART 3 ATT C2 APP C2-B.DOCX

130 Environmental Park - Type I Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-B

;:o

I~

REV

ISSUED FOR PERMITTING PURPOSES ONLY REVlSIONS

.l..Elill,/.Q

D SUB- BASIN

D RESERVOIR

0 JUNCTION

0 OUTLET

RfACH 2.1 REACH --CONNECTION

HEC-HMS SCHEMATIC EXISTING CONDITIONS

130 ENVIRONMENTAL PARK, LLC 130 ENVIRONMENTAL PARK

BIGGS & MATHEWS ENVIRONMENT AL

CONSUL TING ENGINEERS MANSFIELD• WICHITA FALLS

817- 563- 1144

TBPE FIRM NO. F-256 & F-834 TBPG FIRM NO . 50222

DSN . TLT DATE : 2/1 4 DRAWING

TECHNICAl..LY COt.IPLETE

DESCRIPTION

TLT OWN. MNG SCALE : N. T.S. C2 B 12 o~ BY DES BY OiK BY -APP_ B_Y -f-C-HK-.--=TL.:.:T--l----D-W-G -, --=,:.:..:s .:.:WM:.:..:E-Xl-ST-.OW- G----1 - -

HYDROLOGIC ANALYSIS

Biggs & Mathews Environmental C2-8-13 M:IPROJl12910611011PIPART 3 ATT C2 APP C2-B.DOCX

130 Environmental Park -Type I Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-B

Project: 130 Environmental Park Simulation Run : 1OOyr1 Oday (smoothed)

Start of Run: 01 Jan2013, 00:00 Basin Model: Existing End of Run : 13Jan2013, 00:00 Meteorologic Model: 100 yr 10 day (smoothe Compute Time: 21Jan2014, 17:36:47 Control Specifications: 12 days

Hydrologic Drainage Area Peak Dischar~ eTime of Peak Volume

Element (Ml2) (CFS) (AC-FT)

DC-1 1.38 2046.3 06Jan2013, 01 :30 1095.6

DC-2 4.54 5381 .0 06Jan2013, 02:00 3532.9

Dry Creek 5.92 7252.1 06Jan2013, 01 :45 4628.9

Dry Creek Junction 5.92 7266.0 06Jan2013, 01 :45 4628.4

North Junction 2.13 2909.0 06Jan2013, 01 :30 1651 .6

Reach-2.0 2.81 3775.4 06Jan2013, 01 :30 2179.3

Reach-2.1 2.13 2900.9 06Jan2013, 01 :45 1651 .0

Site 21 8.73 2346.5 06Jan2013, 05:00 4828.2

Site 21 Discharge 8.73 2346.5 06Jan2013, 05:00 4828.2

South Junction 2.81 3803.2 06Jan2013, 01 :30 2179.0

UNT-1 0.25 442.7 06Jan2013, 01 :00 198.5

UNT-2 0.21 337.2 06Jan2013, 01: 15 160.0

UNT-3 0.22 397.8 06Jan2013, 01 :00 169.4

UNT-4 0.70 975.7 06Jan2013, 01 :30 550.2

UNT-5 1.43 1933.4 06Jan2013, 01 :30 1101 .3

Biggs & Mathews Environmental C2-B-14 M:\PROJ\129\06\101 \P\Part 3 Att C2 App C2-B Pages C2-B-14 thru C2-B-17.pdf

130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-B

Project: 130 Environmental Park Simulation Run: 1 OOyr 1 Oday (smoothed) Reservoir: Site 21

Start of Run: 01 Jan2013, 00:00 End of Run: 13Jan2013, 00:00 Compute Time: 21Jan2014, 17:36:47

Computed Results

Peak Inflow :

Volume Units:

Basin Model: Meteorologic Model: Control Specifications:

AC-FT

Date/Time of Peak Inflow :

Existing 100 yr 10 day (smoothed) 12 days

Peak Outflow :

11001 .7 (CFS) 2346.5 (CFS) 6808.3 (AC-FT) 4828.2 (AC-FT)

Date/Time of Peak Outflow : 06Jan2013, 01 :45 06Jan2013, 05:00 3391 .3 (AC-FT) 518.9 (FT)

Total Inflow : Peak Storage :

Total Outflow : Peak Elevation :

Biggs & Mathews Environmental C2-B-15 M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-B Pages C2-B-14 thru C2-B-17.pdf


Project: 130 Environmental Park Simulation Run: 25yr 1 Oday (smoothed)

Start of Run: 01Jan2013, 00:00 Basin Model: Existing End of Run : 13Jan2013, 00:00 Compute Time: 24Jan2014, 12:45:08

Meteorologic Model: 25 yr 10 day Control Specifications: 12 days

Hydrologic Drainage Area Peak Discharg ~Time of Peak Volume

Element (Ml2) (CFS) (AC-FT)

DC-1 1.38 1508.5 06Jan2013, 01 :30 788.3

DC-2 4.54 3939.6 06Jan2013, 02:00 2526.7

Dry Creek 5.92 5314.9 06Jan2013, 01 :45 3315.5

Dry Creek Junction 5.92 5326.5 06Jan2013, 01 :45 3315.1

North Junction 2.13 2127.1 06Jan2013, 01 :30 1180.0

Reach-2 .0 2.81 2740.0 06Jan2013, 01 :45 1557.3

Reach-2 .1 2.13 2118.9 06Jan2013, 01 :45 1179.7

Site 21 8.73 382.9 06Jan2013, 16:00 3015.5

Site 21 Discharge 8.73 382.9 06Jan2013, 16:00 3015.5

South Junction 2.81 2761.0 06Jan2013, 01 :30 1557.0

UNT-1 0.25 326.3 06Jan2013, 01 :00 142.8

UNT-2 0.21 245.4 06Jan2013, 01:15 113.7

UNT-3 0.22 290.6 06Jan2013, 01 :00 120.8

UNT-4 0.70 716.6 06Jan2013, 01 :30 394.8

UNT-5 1.43 1410.5 06Jan2013, 01 :30 785.2

Biggs & Mathews Environmental C2-B-16 M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-B Pages C2-B-14 thru C2-B-17.pdf

130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill, Attachment C2, Appendix C2-B

Project: 130 Environmental Park Simulation Run: 25yr 1 Oday (smoothed) Reservoir: Site 21

Start of Run: 01Jan2013, 00:00 Basin Model: Existing End of Run: 13Jan2013, 00:00 Meteorologic Model: Compute Time: 24Jan2014, 12:45:08 Control Specifications:

25 yr 10 day 12 days

Computed Results

Peak Inflow : Peak Outflow : Total Inflow : Total Outflow:

Volume Units:

8054.8 (CFS) 382.9 (CFS) 4872.8 (AC-FT) 3015.5 (AC-FT)

AC-FT

Date/Time of Peak Inflow : Date/Time of Peak Outflow : Peak Storage : Peak Elevation :

Biggs & Mathews Environmental C2-B-17 M:\PROJ\129\06\101 \P\Part 3 Alt C2 App C2-B Pages C2-B-14 thru C2-B-17.pdf

06Jan2013, 01 :45 06Jan2013, 16:00 2888.1 (AC-FT) 517.4 (FT)


130 ENVIRONMENTAL PARK

ATTACHMENT C2

APPENDIX C2-C

EXISTING CONDITIONS HEC-RAS EVALUATION

Includes pages C2-C-1 through C2-C-77

Technically Complete October 28, 2014

CONTENTS

Existing Condition HEC-RAS Schematic ............. .............. .... ....... ... ... ... .... ... ... ....... C2-C-1

Existing Condition HEC-RAS Analysis ............... .... .. ... ............ ....... ...... .... ....... ....... C2-C-4

Biggs & Mathews Environmental M:\PROJ\129\061101\PIPART 3 ATI C2 APP C2-C.DOCX

C2-C-ii

Biggs & Mathews, Inc. Firm Registration No. F-834

130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-C

EXISTING CONDITION HEC-RAS SCHEMATIC

Biggs & Mathews Environmental C2-C-1 M:IPROJl12910611011PIPART 3 ATT C2 APP C2-C.DOCX


c2-c-2

Biggs & Mathews Environmental M:\PROJ\129\06\1 01 \P\PART 3 ATT C2 APP C2-D.DOCX

C2-C-3 130 Environmental Park-Type I Technically Complete October 28, 2014 Part Ill , Attachment C2 , Appendix C2-C

EXISTING CONDITION HEC-RAS ANALYSIS

Biggs & Mathews Environmental M:\PROJ\129\06\101\P\PART 3 ATT C2 APP C2-D.DOCX

C2-C-4 130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-C

s: !;!)

'6 ~ HEC-RAS Plan: Dry Creek River: Dry Creek Reach: 1 ::a(/) 0 QO ~ s: ~Ill

I\) -<O ::T -ro o:;; 9:l (/) om ~ :l -< "'U :::;· -o -u :l Ill 3 ;::i. (1)

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(Q (/)

(") I\)

0 &, :T ~ (") <O I\)

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1.9i ·

1.93

Ps,p~ Gl l:btiil (cJs)

10_Q'yr 5381 .00

'251yt 3939.60

1J~Oyr 5381 .00

125,y_r· 3939.60

100 '.yf 5381.00 -

2~'Yr 3939.60

Culvert

10.0 yr 5381 .00

: 25yr 3939.60

-1·00 yr 5381 .00

25_yr 3939.60

. 1 00.yr' . 5381 .00

2~Y,T - 3939.60

1o_oy~ 7266.00

4§yr 5326.50 . -

, 11'@'-yf 7266.00

2§:tf 5326.50

·wow 7266.00 ·2~yr, 5326.50

-wo ,~r 7266.00

~ .yr - 5326.50

- ' ·100 yr 7266.00

tSyf 5326.50

, Mift ChEI Yl/kS~ E;lev @r!JW.&. faG, E,lev E..<3• Slope V~Chnl flow1Area TI!p•'Width Froude·# ·Chl

(ft) (ft) (ft) (ft)' (ftlft) - (ftls) (sq ft) (ft)

514.60 521 .38 521 .38 522.04 0.035746 8.80 1152.96 746.25 0.74 514.60 521 .1 2 521 .12 521 .67 0.030491 7.80 957.88 725.27 0.67

506.00 519.14 513.23 519.15 0.000099 1.16 6021 .98 1361 .27 0.06

506.00 517.64 512.74 517.66 0.000147 1.29 4130.43 1171 .05 0.07

506.00 519.13 514.07 519.14 0.000127 1.19 5885.99 1323.34 0.07

506.00 517.63 513.53 517.64 0.000178 1.27 4094.37 1088.03 0.08

505.89 519.07 519.09 0.000217 1.66 5951 .36 1321.31 0.09

505.89 517.61 517.63 0.000278 1.70 4190.24 1101 .00 0.10

505.09 519.00 519.01 0.000194 1.65 6714.24 1606.63 0.08

505.09 517.50 517.52 0.000283 1.82 4497.96 1346.86 0.10

504.56 518.96 518.97 0.000090 1.17 9146.12 1799.46 0.06

504.56 517.46 517.47 0.000114 1.21 6638.62 1561 .55 0.06

502.00 518.92 518.92 0.000028 0.73 14286.76 1609.42 0.03

502.00 517.42 517.42 0.000025 0.65 11952.51 1499.68 0.03

502.00 518.91 518.91 0.000012 0.72 20236.27 2123.98 0.03

502.00 517.41 517.41 0.000009 0.60 17241 .55 1843.82 0.03

500.00 518.90 518.91 0.000007 0.49 23576.79 2115.32 0.02

500.00 517.40 517.40 0.000006 0.41 20489.25 1987.57 0.02

498.12 518.90 518.90 0.000001 0.28 32791 .92 2343.33 0.01 498.12 517.40 517.40 0.000001 0.23 29346.24 2239.22 0.01

497.59 518.90 499.05 518.90 0.000001 0.27 32373.33 2207.92 0.01 497.59 517.40 498.83 517.40 0.000001 0.22 29172.10 1995.17 0.01

HEC-RAS Plan: Existing

~~---r-Reach _I River ~1--_Profile Q To~in Ch El j W.S. Elev - Crit W.S . I E.G. El~-§~~ Slope

. 1 ·r ' (cfsl (ft) 1 (ft) (ftl (ftl (ftlftl lQ:.~~amed Tri~--#?- ! 12.0 100 yr --~- 1933.40 555.00 559.03 ,__ 558.97 560.08 0.017247

~'"'.''"'~"'--- t~ . -~. :-___._ -1410.50 555.00 558.52 558.47 559.43 0.017541

F •mom> Ju=-_ " L -- too~ ,,,,..o "'·'° ''°" 550.93 o.oo"" LJ_~r::iamed Tri_t_> _ _.13:3.._ __ --f-0.1 ~~-- 1410.50 546.00 550.30 550.47 0.002101

I Vel Chnl I Flow Area I Top Width --t=ud;;-iicht-

~· (ft/sL1 (sq ft) I (ft) ·- - __ _

8.24

7.66

4.06

3.73

234.68

184.19

724.38

553.98

106.61

94.56

403.54

375.28

0.98

0.97

0.35

0.33

193 0.013985 ~ j9.73 - -j 10oyr I 1933.401 544.26 1 548 .64 1 I 549.05 1 0.013985 1 6.36 1 515.06 1 305.53 1 o.59 , .. I H ---; unna_:n~~no e--19.73 -t~ yr ---~ 1410.50 544.26 548.18 547.76 548.59 0.015071 6.04 383.87 274.34 0.60

544.26 548 .64 549.05

~~edTrib 2.2 1 9.12 11oo yr. 1933.40 539.18 546.15 546.26 0.002355 3.47 1014.55 539.36 0.26 1

tU_n~medTrib_ . ._+2.2 1 9·~~--.=i-3?.yr 1410.50 539.18 545.68 545.79 0.002290 3.23 773.58 494.42 0.25 1

i~~ Trib ± 2.2 ___ 18.74 100 yr 1933.40 538.94 545.06 545.18 0.003943 4.02 864.84 439.63 0.32

lunnamedTrib 12.2 ,8.74 25yr 1410.50 538.94 544.46 544.59 0.004989 4.13 617.91 381 .95 0.36

r_ ·r I luo"'m"<l!"' 122 Im =f'"' ____ I '933«> "'" 5'3.85 5'3.95 o.oowos m ,.,.,, 3'5." o.,, 1unnamed_!!_!b ! ~~-··- !8.19 ~x_r__ 1410.50 536.67 543.20 543.28 0.001534 2.90 722.52 303.07 0.21

~nnam~d Trib=tr2--*90 :WO- yr I 1933.40 535.72 543.21 543.34 0.003135 4.25 771 .96 314.25 0.29

Unnamed Trib 22_ _ _ -_-.#*-?.90 125 yr 1410.50 535.72 542.57 542.69 0.003137 3.96 587.77 257.91 0.29

F·""' '°'- ii -- i" Jii I '933.<0 535." "' " ,., " ,.,.,. 0 "'"" '·" ,., .. , "'·" 0 38 [!:J nnamedTrib 2.2 ·- 7.56 _ _ 25yr 1410.50 535.18 541.24 541.42 0.004936 5.07 492.29 228.93 0.37

' I ------·-+--·--+-Unna med T~.~_--133__ ____ 17.26 j 100 yr 1933.40 533.95 540.99 541.15 0.002947 4.20 744.29 252.23 0.30 I Unnamei_!!~-~--1!26 -f~.xr 1410.50 533.95 540.15 540.31 0.003254 4.01 549.23 211.36 0.30 1

I---- -Unnamed Tri_b [2.1 17.17 100 Y.~ 2909.00 534.38 540.57 540.81 0.004334 4.87 898.42 300.89 0.36 Unnamed Trib i2.1 7.17 25 yr 2118.90 534.38 539.73 539.95 0.004509 4.48 673.28 242.25 0.35 --- --- --,- -----

lunnarri_~~_ Tr~ .. ~-- --n-.a6 --~yr . · 2909.00 533.20 540.1 4 540.40 0.003616 4.61 809.58 228.77 o.33

I i ~rri__~_Trib 12.1 ____ __ .2:Q._6 ___ ~ 2118.90 533.20 539.32 539.54 0.003492 4.12 638.29 194.58 0.31

--med rry~-- ---gw·--.:=J_Qo y; ___ 2909.00 531.88 539.90 540.17 0.003521 4.92 812.67 244.53 0.33

Unnamed Trib ' 2.1 i6.99 25 yr 2118.90 531 .88 539.08 539.31 0.003367 4.42 631 .71 200.48 0.31

ur::ir:_amedTrib : 2 . 1 ~ __ 1 6.84 l10oy,:-- 2909.00 531 .63 539.66 539.76 0.001525 1 3.52 1 1566.13 1 446.12 1 0.22

uo~medT;e_ :' ·' ~ e--":'--"------ , ""'° 53L'3 538.80 538.90 o.oo'63al 3.38 1 """I m .n l 0.'3

~Mmed TOO liT '" =--1;~ ~ ' '909.00 530A9 538." 539 " 0.00"°' ' 3' 9'5 '3 2'9 30 0.'8 n~amed !.~ .. J3::1_ _ __ ]°.s 7 ~ ___ 2118.90 530.49 538.18 538.36 0.002393 3.81 769.57 237.89 0.27

Biggs & Mathews Environmental M:\PROJ\12910611011PIPart 3 AU C2 App C2-C Pgs C2-C-5 thru 9.pdf

C2-C-6 130 Environmental Park - Type I Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-C

HEC-RAS Plan: Existing (Continued)

r-~u R~~-~each Riv~i:_ sia _i_ Profile I Q To~ l Mi~_§! I ~s. E~E!_V I C~t w:·s. -~~..E::~~G . Slope I Vel Chnl I Flow Area I L _ _ __ __ __J.____ __ -+-.J-~f~-- __ _Jf!L_-=t ___ J!Q_ __ r_lft_) _ _ --®_ _ _ -i-__ j ftiftL __ -t--J!!.i~- (sq ft) I , ., -- -·--. I

To-p-Widt~ i Froude #Chi ! (ft\ i I

~~~~~--+3.:.! --~~ 6:3~ti0o yr _ _ 2909.00 530.55 537.97 538.31 0.005338 5.87 810.94 IUnnamed Trib 12.1 =;.33 25yr 2118.90 530.55 537.22 537.52 0.0051 42 5.32 630.40

t~~~!"!:!!~_-k- =- 5.83 . ~. 2909.00 527.28 535.23 535.55 0.006706 6.51 778.38

t:medTrib~2~-~1 _ 5.83 _ 25yr ·-1

2118.90 527.28 534.51 534.80 0.006652 6.03 606.39

':!_n!'amed Trib. _ ? :1 5 .. 3~ __ (200 y_r__ 2909.00 525.29 532.81 533.07 0.004352 5.28 928.24

UnnamedTrib_ _ 2._1 _____ 5.38 -=f=_r _____ 2118.90 525.29 532.11 532.35 0.004286 4.87 727.49

, Unnamed1:!!_b__=t~ --1 __ _j.?~----i!.~':.. 2909.00 523.57 531.49 531.77 0.004970 5.40 898.23

lunnamedTrib j2.1 --~0 ___ 3~yr 2118.90 523.57 530.91 531 .14 0.004435 4.78 728.12

~ I unn;;med Trib !2.1 4.65 100 yr t 2909.00 521.27 528 .96 529.27 0.006901 6.62 945.43

I

256.11 1 0.40 223.29 0.38

I

255.77 1 0.44

225.92 I 0.43 I

296.77 1 0.36 281.24 0.35

300.25 1 0.38

277.14 1 0.35

431 .63 1 0.45

iUnnamedTrib !2.1 4.65 25 yr 1 2118.90 521.27 528 .43 528.75 0.007022 6.32 722.03 r· I

~nnam~d T~!~~ J4.44 . 100 yr __ _ 2909.00 520.53 527.62 527.83 0.006230 5.87 1017.00

~~nnamed Trib f 2.1 _ 4.44 25 yr _ 2118.90 520.53 527.10 527.30 0.006096 5.47 807.07

~nnamed Trib ;2.1 3.86 1ooyr 2909.00 518.57 525.13 525.27 0.003320 4.06 1264.89

~nam~~~;1 _ ___ 3 .8~- 25 yr 2118.90 518.57 524.48 524.62

408.82 1 0.45

414.56 0.42

389.06 1 0.41

519.55 1 0.31

463.22 0 32 0.003657 3.91 942.35

I -+

319.19 0.43

290.58 0.36

311 .24 0.58

234.95 0.82

644.04 0.12

557.07 0.14

1032.00 0.04 867.01 0.04

938.57 0.03 1

903.26 0.02 1

151.83 0.42

137.49 0.40

76.00 0.90

Unnamed Trib __ 12.0 _i 3.70 __ + oo yr I 3775.40 516.79 524.06 __

~nnam~-~~9 E :25 yi:..____ : 2740.00 516.79 523.66

l~nnamedTrib -r~ -i-3.16 !1ooyr i 3775.40 512.97 519.32

IUnnamedTrib !2.0 --E-16 [25 yr [ 2740.00 512.97 518.02 1 518.02 _ _ __ _ __

~~med Trib__ 12.0 2.53 __ J 100 yr __ ·---j--3_77_5_.4_0+-__ 50_9_.1_8+-__ 51_8_.9_6+-----+----t-------+-l Unna~~-~ 2.0_ 2.53 i 25yr __ 2740.00 509.18 517.45 512.96

~~dTrib /2.0 1.84 __ - ]WoYr° 3775.40 504.96 518.92

~=:-rib ~ ~~--~ 125 yr -=--_.,..__2_7_4_0_.o_o+--__ 5_0_4._9_6+--__ 5_1_7._4_2+------+------+-----+-

i Unnamed T~o_ __ JQ:.~. iToo yr 3775.40 498.13 518.90 506.54

' Unnamed·-~:__f~ ___ I0.59 125yr . 2740.00 498.13 517.40 505.58

South Creek t .o 13:88 -f 100 yr ' 337.20 580.00 581.50 580.97

~~outhc~E'.~-. Ii.a . j3.88-=r5 Y. r - ~ 245.40 580.00 581.30 580.82

~~eek · k ___ ~.16 --~-~00E___ ! 337.20 1 567.oo l 568.68 1 ____ I __ --- 1 I I I

!i?4 !i1 I ooon314 1 6.16 948.69

523.96 1 0.004487 1 4.97 825.96

I I 519.92 1 0.012554 1 7.26 775.41 !i1C! m l 0 0?7R11 8.76 421.32

I !i1C! oo I o ooo44!i l 1.99 2838.78

517.50 1 0.000625 1 2.06 1919.93

I I !i1R q3 j o 000043 j 0.80 6750.90 517.42 1 0.000043 1 0.73 5320.17

I I 51890 1 o oooorn l 0.65 9669.92

517.40 0.000015 0.56 8288.81

581.60 0.009409 2.91 147.05

581.38 0.009012 2.59 118.20

!in<! 01 I n 041C!C!R I 6.61 81.58

Biggs & Mathews Environmental M:\PROJ\129\06\101\P\Part 3 Alt C2 App C2-C Pgs C2-C-5 thru 9.pdf

C2-C-7 130 Environmental Park - Type I Technically Complete October 28, 2014 Part 111, Attachment C2, Appendix C2-C


~--~l Rea~h River Sta Profile i Q Total 1 ~~_Ch E_!_L W.S_:_~~~J Grit W.S . I E.G. ~~ev E.G. Slope Vel Chn!Fl;w Ar~a I Top Width i Froude # Ch'l

~ : I _ ·- _ {cfs) _ _ __ __@__ ;__ (ft) · j~-~-J!!L_ _ _J_f!/.!Q__ _ (ft/s) (sq ft)~ (ft) ____ i _______ '

k=:u~h Creek __ t~----~---~J25yr _ 245.40 567.00 568.43 568.36 568.74 0.046657 6.27 63.24 72.50 0.92

I South Creek 3.0 2.99 100 yr __ 337.20 563.05 565.43 565.64 0.011701 3.80 100.17 68.96 0.48 !South Creek 13_0 _ 2.99 25 yr _ 245.40 563.05 565.14 565.30 0.011388 3.35 80.63 63.56 0.47

I ,

~uth Creek -FO 12.90 ---- 100 yr 337.20 561.91 563.82 563.49 564.12 0.021087 4.87 89.06 75.85 0.64

routh Creek l3.0 12.90 __ ,3__5_y__:____ 245.40 561.91 563.55 563.25 563.80 0.021287 4.38 69.66 67.84 0.63

rs~~~-h-~~~ri-:ci =t2.72 --

1

100--y;:-_=- - 337.20 554.76 557.72 557_72 558.56 0.053903 7.33 46.01 27.62 1.00

!so!:!!~ Creek 13.0 _1 2.72 25 yr _ 245.40 554 .76 557.32 557.32 558.06 0.057514 6.91 35.50 24.45 1.01

South Creek 13.0 2.65 --- - 100 yr 337.20 554.11 556.58 555.84 556.79 0.010276 3.82 102.57 67.06 0.46

South Creek t3:o 2.65 25 yr 245.40 554.11 556.21 555.58 556.39 0.011275 3.51 78.46 60.31 0.47 1----------r---~-- -~-·-- -·- -- 1-----·

South Creek j3.0 2.48 1g9 yr - 337.20 550.38 553.70 554.17 0.022857 5.50 62.16 32.46 0.67

South Creek .p:o 12.48 25 yr ____ 245.40 550.38 553.39 553.74 0.020694 4.70 52.37 30.68 0.62

~~~~k Ji.!?__ ------!1 2.36 _ 100 yr 337.20 549.54 551.79 552.13 0.024346 5.22 85.03 78.41 0.69

South Creek 3.0 ,2.36 25 yr 245.40 549 .54 551.52 551 .82 0.024728 4.72 65.63 68.89 0.68 ! ~

rSouth Creek-- a.O ' 2.29 100 yr - , 337.20 547.28 549.93 549.64 550.38 0.022999 5.98 76.01 57.85 0.70

ls"outh Cree~ 3.0 2.29 25 yr 245.40 547.28 549.62 549 .32 549.99 0.022131 5.32 59.40 49.97 0.67

t s~uth c~~ __ l_iq_ __ --~-- 1_gg1 r --- 33720 544 .58 546.93 547.21 0.015195 4.55 88.86 59.80 o.56

~~O_':l!hCreek --~O 2.11 _ 25yr 245.40 544.58 546.61 546.84 0.015274 4.08 70.49 55.72 0.54

I

@OUlhc reek 3.0 --- - 1:""97 ; 100-y;-- 337.20 542.05 544.91 545.20 0.013285 4.67 92.31 62.12 o.53

t h Creek 3.0 _ _ ____ _:1:~I __ t 25 yr.: : 245.40 542.05 544.54 544.79 0.013833 4.26 70.69 54.42 0.53

·1 -~()U~- ~-~ree_k __ j2.0 -- L87 _ r O "-- "UO O<U' 0<38' >14.04 0.008963 3.69 97.66 52.87 0.43 §outh Cr~e~:g __ ---f.!:.~ 25_yr 1 245.40 541 .35 543.54 543.69 0.007834 3.13 82.33 50.23 0.40

~~t"hcr!'..E'.!s_ __ ~----~66 -- 100-y7-- 331.20 539 .78 541 .98 542.13 0.009250 3.45 126.21 106.48 o.43

South Creek 13.0 11.66 25yr 245.40 539 .78 541 .63 541 .78 0.010786 3.27 91.86 90.12 0.45 ___ I 1 --~ South_Creek 13.0 --r-1 .-21---r-1-o-o:=_y-r_-~~-,i----33-7-.2-0-t---53-2-.8-9-t---53_5_.4_0-t---5-3-5-.0-0+---5-3-5-.8-8+---o-_o_2_6_3-95-t----6-.4-6+----7-6-. 2-2+-----60 ___ 92-+-----0-.7--15

So~~.S:~ ' 3.9 ___ @.!.__ 25yr 245.40 532.89 535.13 535.46 0.021140 5.32 61.78 45.29 0.66

Sou~hC~- -Fo 1.08 -=- 1102_1!:_ I 337.20 531 .07 534.07 534.21 0.006541 3.17 127.35 83.73 0.37

c~=-~~ek -- -f-o _ __ 1.08 2~-~--- 245.40 531 .07 533.63 533.76 0.007915 3.01 92.82 71.80 0.39

Biggs & Mathews Environmental M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-5 thru 9.pdf

C2-C-8 130 Environmental Park- Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-C


~ R<~c =t·~~"-1--";'"Sra f-l'rofflo 1~""' ~ ~in Ch E~W.S. Elev j Cr!!_ll'.f.:~:___E.:G . Elev . E.G. Slope : Vel Chnl

I ~~ _ _®_ ___ - (ft) __ _J!!)_ __ _l!!L_~_(!!fft) __ · (ft/s)

s_o~th Cree_k ___ 3_:2.:=--10.77 1100 yr I - -m-20 527.80 532.35 530.73 532.54 0.004760 3.76

~h Creek~-----r~-- _ r5 yr 245.40 527.80 531.92 532.06 0.004171 3.24

!South Cree~io __ j~~~~-~o yr 337.20 528.00 529.45 529.45 529.87 0.050737 5.85

t~uth Creek j3.0 -+9~~- 125 yr 245.40 528.00 529.27 529.27 529.63 0.051032 5.28

1South Creek - 3.0 lo.36 j100 yr 337.20 523.75 526.26 524.84 526.29 0.000755 1.62 South Creek ___ 2:Q_, I 0.36 --- 25 y~ _ 245.40 523.75 525.46 524.67 525.52 0.002102 2.06

i NorthC~~ 4:o 1.71 l1ooyr 1 975.70 552.00 553.90 553.75 554.36 0.035119 6.57 [North Creek T .o - - ___ 1.71 -----~_iyr I 716.60 552.00 553.48 553.48 554.00 0.051292 6.74 I <

~rth Creek i4.0___ 1.36 ___ ;!_00 y~ .. 975.70 546.00 550.70 550.90 0.004631 4.23

~r:!!'..S:..i:::.ek 14.0 ---~----e_y_r __ ~ 716.60 546.00 550.25 548.55 550.40 0.003985 3.66

/North cr~k _ j4.o·:_ jo.83 100 yr 975.70 544.00 547.08 547.33 0.011148 4.85 :North Creek ,4.0 10.83 125 yr 1 716.60 544.00 546.55 546.82 0.014462 4.82 r--_--r= ! f- -- - -

I !:-J..?rthCreek j 4.0 I 0.41 100 yr 975. 70 539.61 543.12 543.36 0.008447 4.48

~-Cm-"'._~ 1"'' "6.00 539.61 542.90 543.07 0.006196 3.66

~h Cre;k-~4-.o---- 0.19 j1ooyr 975.70 538.00 541.61 541.75 0.006128 3.99

,North Creek ~o ____ o~____J~- 716.60 538.00 540.82 541.09 0.014078 5.05

Biggs & Mathews Environmental C2-C-9 M:\PROJ\129\06\101\P\Part 3 Alt C2 App C2-C Pgs C2-C-5 thru 9.pdf

Flow Area Top Width Froud;rn;-'

(sq ft) __ (ft_) __ -·--·--

128.92 85.76 0.34

96.07 51.41 0.31

75.03 91.66 0.94

59.36 85.93 0.91

304.77 206.14 0.18

159.84 155.10 0.29

223.42 186.46 0.84

152.31 156.89 0.97

360.83 152.39 0.35

295.64 136.88 0.32

309.59 185.15 0.51 218.78 159.96 0.56

306.54 173.87 0.45

270.42 165.37 0.38

400.20 255.47 0.39

222.51 196.11 0.56

130 Environmental Park - Type I Technically Complete October 28, 2014 Part 111 , Attachment C2 , Appendix C2-C

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Dry Creek Upstream Plan: Dry Creek 1/23/2014 River= Dry Creek Reach = 1 RS = 1.93 A 1.93

540 - ----- .045 .04 +-.045 ___,

530

520

510

500

Legend

EG 100 yr

WS 100 yr ---------· ---------·

EG 25 yr

WS 25 yr + ··

Crit 100 yr ·•··

Crit 25 yr

Ground

• Bank Sta

490-+------ ------------ - --------- - -----0 500 1000 1500 2000 2500

Station (ft)

C2-C-16



g c 0

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Dry Creek Upstream Plan: Dry Creek 1/23/2014 River = Dry Creek Reach = 1 RS = 3.1 O A3.10

---.06----'------ .04-----""------- .045------» 530

525

520

515

510

505

500

Legend

EG 100 yr

WS 100 yr ---------4.---------·

EG 25 yr

WS 25 yr

Ground

lneff

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0 500 1000 1500

Station (ft)

C2-C-17

2000 2500 3000

Biggs & Mathews Environmental 130 Environmental Park - Type I

Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

g

Dry Creek Upstream Plan: Dry Creek 1 /23/2014 River= Dry Creek Reach= 1 RS= 5.03 A5 .03

----- .065 , . .065 --------4>1 5~ 0

525

520

5 5

Legend

EG 100 yr

WS 100 yr ___ ______ ..., _________ ,

EG 25 yr

WS 25 yr

Ground

lneff

• Bank Sta

c: 0 'iii 515 > Q)

w

510

505

500--1---~~~~~--4111-rl._,_~~-~~----~~~-~~----~-

o 500 1000 1500 2000 2500 3000

Station (ft)

C2-C-18



Dry Creek Upstream Plan: Dry Creek 1/23/2014 River= Dry Creek Reach = 1 RS = 6.00 A6.0

------ .07-------"' "<'------ .06------4'1 530

525

520

g c 0 ~ 515 > Q)

LiJ

510

505

4 5

Legend

EG 100 yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

500-1--------------~------------------~

0 500 1000 1500 2000

Station (ft)

C2-C-19


2500 3000 3500

130 Environmental Park- Type I Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-C

g c .Q -ro > Q)

w

Dry Creek Upstream Plan: Dry Creek 1 /23/2014 River= Dry Creek Reach= 1 RS = 7.00 A7 .0

!.<----------.065 . r .075 -------»J 530 0 ~---~

6 Legend 5

525

520

515

510

505

EG 100 yr

WS 100 yr _________ .... _________ _

EG 25 yr

WS 25 yr

Ground

• Bank Sta

500-1---~---~~~-~~~-~~~-~~~-~~~-~~~-~~~

0 500 1000 1500 2000 2500

Station (ft)

C2-C-20


Technically Complete October 28, 2014 Part 111 , Attachment C2 , Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

g c 0

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Dry Creek Upstream Plan: Dry Creek 1/23/2014 River = Dry Creek Reach = 1 RS = 8.1 Q A8.1 Q

lol----~~~~~~~ .Q75~~~~~~~~-"' ~~~~~.Q75~~~~-"'

535 Q

53Q

525

52Q

515

51Q

SQS

6 5

Legend

EG 10Q yr

WS 1QQ yr ____ _____ .... __ _______ _

EG 25 yr

WS 25 yr

Ground

• Bank Sta

SQQ-+----.--~---,-~~.--.----.--,----.--~---,-----.~~.--.----.--,-----.--~---,-----.~~.-,---.--,----.-~___,..~

Q SQQ 1QQQ 15QQ

Station (ft)

C2-C-21

2QQQ 25QQ 3QQQ

Biggs & Mathews Environmental 13Q Environmental Park - Type I

Technically Complete October 28, 2Q14 Part 111, Attachment C2 , Appendix C2-C M:\PROJ\1291Q61101\PIPart 3 Alt C2 App C2-C Pgs C2-C-1Q thru 77.pdf

Dry Creek Upstream Plan: Dry Creek 1/23/2014 River= Dry Creek Reach = 1 RS = 8.40 A8.40

535 I«---------- .075

0.1( .075

Legend

530

525

g c: 0 'iii 520 > Q)

LiJ

515

510

6 5

EG 100 yr

WS 100 yr ______ ___ .,., _________ .

EG 25 yr

WS 25 yr

Ground

• Bank Sta

505-1----~~--~~----r-,--~--~~----r-,--~~-,--~----r-,--~--~~--.

0 500 1000

Station (ft)

C2-C-22


1500 2000 2500


Dry Creek Upstream Plan: Dry Creek 1 /23/2014

535

530

525

g c 0

520 ~ iii w

515

510

River= Dry Creek Reach= 1 RS = 8.78 A8 .78

I<!-------- .075 1 o' r .075

6 5

Legend

EG 100 yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

505-1---------------------------------~

0 500 1000

Station (ft)

C2-C-23


1500 2000 2500

130 Environmental Park - Type I Technically Complete October 28, 2014 Part 111, Attachment C2 , Appendix C2-C

g c 0

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Dry Creek Upstream Plan: Dry Creek 1/23/2014 River; Dry Creek Reach; 1 RS ; 8.81 Culv Hommanville Trail crossing of Dry Creek (2 barrel 60" diam. CMP

535

530

525

520

515

510

505

500+-~~r-~~~r--.----.~.--~---.~.---.----.~.---.----.~.---.----.~.---.----.~r--.-~

Legend

EG 100yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

0 500 1000 1500 2000 2500

Station (ft)

C2-C-24


Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

g c

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Dry Creek Upstream Plan: Dry Creek 1 /23/2014 River = Dry Creek Reach= 1 RS= 8.81 Culv Hommanville Trail crossing of Dry Creek (2 barrel 60" diam. CMP

!<f---~~~~~~~~.05~~~~~~~~~ ~~~~~~- .05 ~~~~~__,.

535 0

530

525

520

515

510

505

6 5

500+--.~r----,---.~,----,---,~.,..---,---,~,----,---,~.,..---,---,~....---,---,~,---,---,~,----,-----,

Legend

EG 100 yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

0 500 1000 1500 2000 2500

Station (ft)

C2-C-25

Biggs & Mathews Environmental 130 Environmental Park- Type I

Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77 .pdf

Dry Creek Upstream Plan: Dry Creek 1 /23/2014

g c

.Q c;; a; [ij

535

530

525

520

515

510

River= Dry Creek Reach = 1 RS = 8.84 A8.84

!<'--------.05 o' r .05

6 5

Legend

EG 100 yr

WS 100 yr ---------..i.---------·

EG 25 yr

WS 25 yr ·+

Grit 100 yr .. ...

Grit 25 yr

Ground

• Bank Sta

505+---~~--~~-.-~~-.-~~-.-~~-.-~~-.-~~-.-~~~

0 500 1000

Station (ft)

C2-C-26


1500 2000 2500

130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill , Attachment C2 , Appendix C2-C

Dry Creek Upstream Plan: Dry Creek 1 /23/2014 River= Dry Creek Reach = 1 RS = 8.93 A8 .93

,.._ ________ .045--------41 i<f------- .045 ---------" 535

530

525

g c:: 0 520 ~ > Q)

w

515

510

6 5

Legend

EG 100 yr

WS 100 yr ---------4.--- -- ----·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

505-1----------------------------------~

0 500 1000

Station (ft)

C2-C-27


1500 2000 2500

130 Environmental Park- Type I Technically Complete October 28, 2014 Part 111, Attachment C2 , Appendix C2-C

Dry Creek Upstream Plan: Dry Creek 1/23/2014 River = Dry Creek Reach = 1 RS = 11 .40 A 11.4

540 i...------------- .1 o· I( .1

Legend

535

530

g c 0

525 ~ > QJ

w

520

515

8 5

__ ________ ________ ______ ________ _________ __ ________ ._ ___ ____ ________ _

EG 100 yr ---------·---------·

EG 25 yr + ······

Crit 100 yr

WS 100 yr

WS 25 yr .......... &, ..•

Crit 25 yr

Ground

• Bank Sta

510-1---~-~--~-~--~-~--~-~--~-~--~-~--~

0 500


1000

Station (ft)

C2-C-28

M:\PROJ\1291061101\PIPart 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

1500 2000

130 Environmental Park - Type I Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-C

g c .2

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Unnamed Trib Plan: Existing 1 /24/2014 River = Unnamed Trib Reach = 2.0 RS = 0.59 B0.59

~-~~~~.1 ~~~~_,. ""-~~~~~~~~~ .07 ~~~~~~~~~-----"'

~5 0

520

515

510

505

500

6 5

······ ·· -f ·

.. ..

495+-~~.-~~~.----.--~~.----.--~~.----.--~~.----.----,~.----.----,~.----.--~~.----.--~

Legend

EG 100 yr

WS 100 yr ---------4.---------·

EG 25 yr

WS 25 yr . + ···

Grit 100 yr ...

Grit 25 yr

Ground

• Bank Sta

0 200 400 600 800 1000

Station (ft)

C2-C-29


Technically Complete October 28, 2014 Part Ill , Attachment C2 , Appendix C2-C M:\PROJ\12910611011PIPart 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

Unnamed Trib Plan: Existing 1/24/2014 River = Unnamed Trib Reach= 2.0 RS= 1.84 B1 .84

l<f-------.1 -----;> k<---------.065-----------" 530

525

520

g c 0 515 ~ > Q)

w

510

505

0 6 5

Legend

EG 100 yr

WS 100 yr ---------4.--------- ·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

500+-~~~.,....---.,....---.,....---.,....---~,..-,,..-,~~-.~-r--r--r--r--r--.--r-~~~~.,....---.,....---,..-,,..-,~~~~

0 200 400 600 800

Station (ft)

C2-C-30


1000 1200 1400


524

522

520

518

g c 0 ~ 516 > Q)

w

514

512

510

Unnamed Trib Plan: Existing 1 /24/2014 River= Unnamed Trib Reach = 2.0 RS = 2.53 B2.53

--- -- .095-+.065 .07-------

----------------------------------------------------------- ----------------------------------------------------- -----

Legend

EG 100 yr

WS 100yr _________ ..., _________ _

EG 25 yr

WS 25 yr ..... ..

Crit 25 yr

Ground

• Bank Sta

508-1---~~--~~--~~--~~--~~--~~--~~--~~-

o 200 400 600 800 1000

Station (ft)

C2-C-31

Biggs & Mathews Environmental M:IPROJl12910611011PIPart 3 At! C2 App C2-C Pgs C2-C-10 thru 77.pdf

130 Environmental Park - Type I Technically Complete October 28 , 2014 Part Ill , Attachment C2 , Appendix C2-C

Unnamed Trib Plan: Existing 1/24/2014 River= Unnamed Trib Reach = 2.0 RS = 3.16 B3.16

528 .085 + .065 ~ . ..,___ _ ________ __ .085-------------"'

526

524

522

520

___ __ __ .. ___ ____ ___ _________ _________________ ________ __ ____ _____ __________ _

518

516

514

Legend

EG 100 yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr .... .....

Grit 25 yr

Ground

• Bank Sta

512-1--~~~~~~..-,----,----,.---,---,---,-,----,-----,-----,--,----,----,--~~~~~~~~,----r-or-o---,-.~

0 100 200 300 400

Station (ft)

C2-C-32

Biggs & Mathews Environmental M:IPROJl12910611011PIPart 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

500 600 700


Unnamed Trib Plan: Existing 1 /24/2014 River= Unnamed Trib Reach= 2.0 RS= 3.70 B3.70

530 --------.095 .065 -+ .085 ------>ol)I

528

526

524

g c .Q -ro > Q)

iJ:i

522

520

518

516-1-------------~----~----------------

o 100 200 300 400 500 600 700 800

Station (ft)

C2-C-33

Legend

EG 100 yr

WS 100 yr ------- --4.---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta



g c

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w

530

528

526

524

522

520

Unnamed Trib Plan : Existing 1/24/2014 River = Unnamed Trib Reach = 2.1 RS = 3.86 B3.86

----- .095------ .065---- --- - .085--- - - ____,,,

---------------------------------· ------------------------------------------------------------------------

518-l-----~-~-~-~-~~-~-~-~-~-----~-~-~-~

0 100 200 300 400

Station (ft)

C2-C-34

500 600 700 800

Legend

EG 100 yr

WS 100 yr ---------""'---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta




,.. _____ .085----- I«---------- .085---------

g c .Q -ro > Q)

[jJ

532 0

530

528

526

524

522

6 5

---------------------------------------------&------------------------------------------------------------------------ --

Legend

EG 100 yr

WS 100 yr ----------&---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

520-1---~--~~~~--~~--~~~~---~--~~~~---~

0 100


200 300

Station (ft)

C2-C-35

M:\PROJ\129\06\101\P\Part 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

400 500 600



532 ,....__ ___ . 085---~)1 0

r-------.085 ---------'Jol

Legend

530

528

g c:: 0 ~ 526 > Q)

UJ

524

522

6 5

EG 100yr

WS 100 yr --- ------ 4.--- --- --- ·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

520+--.---.---.--~~~~~~~__,-.----,-----r-.---.---,---.----.---.--.--.---.---.---.--~~~~__,__,_,_,

0 100 200 300 400

Station (ft)

C2-C-36


500 600 700


Unnamed Trib Plan: Existing 1/24/2014 River= Unnamed Trib Reach= 2.1 RS= 5.10 B5.10

536 l<f----- .085-----·+ .065 "")I"'-(---- .085 -----"')I

534

532

530

g c: 0

~ > QJ

w

528

526

524

Legend

EG 100 yr

WS 100 yr ---------.&---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

522+--~-.~-~~~~-~-.~--~~~~-~-.~--~~~~-~-.~

100 200


300 400

Station (ft)

C2-C-37

M:IPROJl12910611011PIPart 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

500 600 700



538 ,.,_ _____ __ .085 .065 +-- .085 _____,

536

534

----------------------------------------------- -----------------------------· --- ----------------------

532

g c 0

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UJ

530

528

526

524-1----------------------------------~

100 200 300 400 500 600

Station (ft)

C2-C-38

Legend

EG 100 yr

WS 100 yr _________ .... _________ _

EG 25 yr

WS 25 yr

Ground

• Bank Sta




,,__ ____ .085----4>/ ~-------- .075 -----------'>1 538

536

534

g c: 0

532 ~ > Q)

Li]

530

528

0 6 5

-----------------·--- -- ·--------- -- ----------------···------------------------------

Legend

EG 100 yr

WS 100 yr ----------A---------·

EG 25 yr

WS 25 yr

Gro-und

• Bank Sta

526+-~-~~~-~~~-~~~-~~~-~~~-~~~-~~~-~~~

100 200 300

Station (ft)

C2-C-39


400 500 600


g c: 0

~ > Q)

w

544

542

540

538

536

534

532

Unnamed Trib Plan: Existing 1/24/2014 River = Unnamed Trib Reach = 2.1 RS = 6.33 B6.33

l<f--------- .085 -.065 + .075----4'1

------------------- -------- --------------------------------· --- --------------------

530-+-~-.---.------.--,-----.------.--.--.---,--.--.------.--.---,-----,--.--,-----,--,--.,.-----,--,-----.,.--

o 1 00 200 300 400 500

Station (ft)

C2-C-40

Legend

EG 100 yr

WS 100 yr ---------4.---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta


Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

Unnamed Trib Plan: Existing 1/24/2014 River = Unnamed Trib Reach = 2.1 RS = 6.57 86.57

544 r'----- .09 .065 --+ .075------»

542

540

538

:g c 0

~ > Q)

w

536

534

532

Legend

EG 100 yr

WS 100 yr _________ .... _____ __ __ ,

EG 25 yr

WS 25 yr

Ground

• Bank Sta

530-1--.----.--,..---..---,~...-~-.--.----.--,..---.--..~.-..---~-.--.----.--,..---.---,~.-..---~-.--.----.--,..-~

0 100


200 300

Station (ft)

C2-C-41

M:IPROJl 12910611011PIPart 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

400 500 600


g c: 0

~ > Q)

w

544

542

540

538

536

534

532


1«----- ---.1---- ---- .065""""------.075-------»I

------------------------------------ ------ ---------------------------..... ·---------- ---------------------------------- ------------

530-1----------------------------------~

0 100 200 300

Station (ft)

C2-C-42

400 500 600

Legend

EG 100 yr

WS 100 yr _________ .,. _________ ,

EG 25 yr

WS 25 yr

Ground

• Bank Sta


Technically Complete October 28 , 2014 Part Ill , Attachment C2, Appendix C2-C M:\PROJ\129106\101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf


544 11<(-(--- .065 )I( .065 + .075 ---------"'

542

540

538

g c 0

~ > Ql

w

536

534

532

Legend

EG 100 yr

WS 100 yr ------ ---...1.---- -----·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

530-I--.,...---,----,-~----,-.---~-.--.,...---,----,--,-----,-.---.-~-.--.,...---,----,--,-----,-.---,---~-.--.,...---,----,--,

0 100


200 300

Station (ft)

C2-C-43


400 500 600


Unnamed Trib Plan: Existing 1/24/2014 River = Unnamed Trib Reach = 2.1 RS = 7.06 B7.06

544 lo<-1(--- .065 + .065 .075----____,,

542

540

g c 0 'fij 538

iii w

536

534

Legend

EG 100 yr

WS 100 yr __ _______ .... _______ __ _

EG 25yr

WS 25 yr

Ground

• Bank Sta

532-1----------------------------------~

0 100


200 300

Station (ft)

C2-C-44


400 500 600


g c 0

~ > Q)

Lil

Unnamed Trib Plan: Existing 1 /24/2014 River = UnnamedTrib Reach=2.1 RS=7.17 87.17

544 .075--+ .065 .075--------"

542

540

538

536

534-1--.---.--.-~~.-.-.-,--,--,--,--,.--,.-,--,----,.--,----,.----,.----,.----,.---..,.--..,.--,---.,-~.-.-,----,--,--,.~

0 100 200 300 400 500 600 700

Station (ft)

C2-C-45

Legend

EG 100 yr

WS 100 yr ---------..&.---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta


Technically Complete October 28, 2014 Part Ill , Attachment C2 , Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf


546 - --- .075 +.065 .075------ - -'>1

544

542

------------------------------· -- ----------------------------------------- ----

540

g c: 0

~ > Q)

w

538

536

534

532 --1---------------------------------~

0 100 200 300 400 500

Station (ft)

C2-C-46

Legend

EG 100 yr

WS 100 yr ---- ------&-- -------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta


Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

544

542

540

538

536


--- - . 06---~)I 0. .07

6 5

-------------------------·--------- -- -------------------------------------------------

....... . . ·+ ........ .

Legend

EG 100 yr

WS 100 yr _________ .... _______ __ _

EG 25 yr

WS 25 yr ·+ ··"

Crit 100 yr

Ground

• Bank Sta

534+-~-~-,-~-.--,--,--.--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,--,-~

0 100 200

Station (ft)

C2-C-47


300 400 500


546

544

542

g c 0

540 ~ > Q)

w

538

536

Unnamed Trib Plan: Existing 1/24/2014 River = Unnamed Trib Reach= 2.2 RS= 7.90 B7.90

.065 1 0

1( .065

6 5

------------------·----------------------------------------·----- --------------

Legend

EG 100 yr

WS 100 yr ____ _____ ,,.. __ _____ __ .

EG 25 yr

WS 25 yr

Ground

• Bank Sta

534-1-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

0 100


200 300

Station (ft)

C2-C-48


400 500 600



548 ------- .065 .065 + .065 -------"

546

544

g c 0 iii 542 > Q)

iii

540

538

Legend

EG 100 yr

WS 100 yr ----- - --- ..A.-- --- --- - ·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

535+-~-,--,----,.-,---~~~~-r--r-r----.-r-~~~~-r--.---r----.-r-~~~~-r--.--,

0 100


200 300

Station (ft}

C2-C-49

M:\PROJ\129\06\101\P\Part 3 AU C2 App C2-C Pgs C2-C-10 thru 77.pdf

400 500 600


548

546

544

542

540

Unnamed Trib Plan: Existing 1 /24/2014 River = Unnamed Trib Reach = 2.2 RS= 8.74 B8.74

0 6 5

~----.065 ----..........,,

------------------------------------------------·---------------- --· ------------ ---------------------------------- ---

Legend

EG 100 yr

WS 100 yr ---------..6.-------·-·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

538+---~~~~~~--~-~~-~~~--~-~~-~~~--~-~

0 100


200 300

Station (ft)

C2-C-50


400 500 600

130 Environmental Park - Type I Technically Complete October 28 , 2014 Part Ill , Attachment C2 , Appendix C2-C

Unnamed Trib Plan: Existing 1 /24/2014 River= Unnamed Trib Reach= 2.2 RS = 9.12 B9.12

548 ---------.09 .065+ .045 ---____,.

g c 0

~ > Ql

w

546 -----------------------------------------------------------------------------------------------------·---------------------------

544

542

540

Legend

EG 100 yr

WS 100 yr _________ .... _____ ____ _

EG 25 yr

WS 25 yr

Ground

• Bank Sta

538-l---.-~~~~_,--,--,--,----,,----,,----,~-.--.--.,--.,--.,----,----,----,----r----r---r-~~~,--,----,,----,,----,,----,-,----,

0 100 200 300

Station (ft)

C2-C-51

Biggs & Mathews Environmental M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-1 0 thru 77 .pdf

400 500 600 700



552 ,.,____ _______ .1 .06s:+: .045 --------4>

550

g c 0 ~ 548 > Q)

iii

546

Legend

EG 100 yr

WS 100 yr ----- ----4.--- ------·

EG 25 yr

WS 25 yr .. ....... .,.

Grit 25 yr

Ground

• Bank Sta

544-1---~-~-~-~-~-~----~-~-~-~-~-~-~-~-~

0 100 200


300 400

Station (ft)

C2-C-52


500 600 700 800


Unnamed Trib Plan: Existing 1/24/2014 River = Unnamed Trib Reach = 2.2 RS = 10.1 B 10.1

554 I-- .065--) ... 1(---.045 .045 --------4'1

553

552

551

_________________ ___ ______________ ., __ ___ __ ________ ______ __ _____ __________ ____ ___ ______ __ _____ __ _______ _________ ___ _

550

549

548

547

Legend

EG 100 yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

545...I---------...,..-<~=-..----------------------~ 100 200


300 400

Station (ft)

C2-C-53


500 600 700



570 .,.__ _________ .045 ------------ .04 -")14-(-- .045~

568

566

564

g c 0 -~ 562 > Q)

w

560

558

556

Legend

EG 100 yr _________ .,. _____ ____ .

EG 25 yr

WS 100 yr + -""

Crit 100 yr

WS 25 yr . ·······• ···

Crit 25 yr

Ground

• Bank Sta

554-1-----~-~~-~-~~-~-~~-~-~~-~-~~-~-~~

0 500


1000

Station (ft)

C2-C-54

M:\PROJ\129\06\101 \P\Part 3 At! C2 App C2-C Pgs C2-C-10 thru 77.pdf

1500 2000


g c: 0

~ > Q)

w

548

546

544

542

540

Unnamed Trib Plan: Existing 1/24/2014 River= North Creek Reach = 4.0 RS = 0.19 C0.19

!<!------ .075------0 6 5

"------- .075------__,,

538+--~~~~~~~~~,--,,-,~~--~~~~--r---r---r--r--r--r-~~~~~,-,~~~

0 100 200 300 400 500 600 700

Station (ft)

C2-C-55

Legend

EG 100 yr

WS 100 yr --------- ..&---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta


Technically Complete October 28, 2014 Part Ill , Attachment C2, Appendix C2-C M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

Unnamed Trib Plan : Existing 1/24/2014 River= North Creek Reach= 4.0 RS= 0.41 C0.41

548 ---- .095 -----'):.!<l(f- .065 .085-------»

g c:

.Q -ro 6i w

546

544

542

540

Legend

EG 100 yr

WS 100 yr ---------4.---------·

EG 25 yr

WS 25 yr

Gro-und

• Bank Sta

538-1----~~--~~--~~--~~--~~~-~~--~~--~~~

0 100 200

Station (ft)

C2-C-56


300 400 500

130 Environmental Park - Type I Technically Complete October 28, 2014 Part Ill, Attachment C2 , Appendix C2-C

Unnamed Trib Plan: Existing 1/24/2014 River= North Creek Reach = 4.0 RS = 0.83 C0.83

552 Id'--- . 095 --~) .... I(- .065 .095--------»I

550

g c 0

548 ~ al w

546

__ ______ _____ ___ ,.. __ ______ ________ __ ______ ___ __ ___ ___________ _

Legend

EG 100 yr

WS 100yr -·-------,&-------- -·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

544-1-----------......--~---~-----------~-----~

0 100 200

Station (ft)

C2-C-57


300 400 500


Unnamed Trib Plan: Existing 1 /24/2014 River= North Creek Reach = 4.0 RS = 1.36 C1 .36

556 !«-------- .095 .065+ .095 --------»

g c 0

~ > QJ

w

554

552

550

548

Legend

EG 100 yr

WS 100 yr --------- ..6.---------·

EG 25 yr

WS 25 yr ...... ..............

Crit 25 yr

Ground

• Bank Sta

546 --1---~~--~~--~~--~~_.,_----~~--~~--~~--~~~

0 100 200

Station (ft)

C2-C-58

Biggs & Mathews Environmental M:IPROJl12910611011PIPart 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

300 400 500


Unnamed Trib Plan: Existing 1 /24/2014 River= North Creek Reach= 4.0 RS= 1.71 C1 .71

556 ------- .095 .065 )I( .095 ----""'

555

§: c 0

554 ~ > QJ

Ui

553

----------------------------------------------· ---- -----------------------------------

+ ·····

Legend

EG 100 yr ---------..&---------·

EG 25 yr

WS 100 yr .................. + ·····

Crit 100 yr

WS 25 yr .................. .....

Crit 25 yr

Ground

• Bank Sta

552+----.-----.---,---.-~--.--,.--e>r---,--eh----.----,-----.-----.---,---;

0 50 100


150 200

Station (ft)

C2-C-59

M:IPROJl12910611011PIPart 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

250 300 350 400


Unnamed Trib Plan: Existing 1 /24/2014 River = South Creek Reach = 3.0 RS = 0.36 00.36

531 I«------ .065 .045 + .065 ---4>)1

530

529

528

g c 0

527 ~ ill w

526

525 .. ················ +

...............

524

Legend

EG 100 yr

WS 100 yr ---------·----······

EG 25 yr

WS 25 yr . ··+ ····

Crit 100 yr .................

Crit 25 yr

Ground

• Bank Sta

523-l---------~-~----~-~-~-~-~-------~-~

100 150 200


250 300

Station (ft)

C2-C-60

M:\PROJ\129\061101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

350 400 450 500


Unnamed Trib Plan: Existing 1/24/2014 River= South Creek Reach = 3.0 RS = 0.53 D0.53

532 -------.085 +---- .065 )>I.. .085 -----"'

g c 0

~ > Q)

w

531

530

-- ------- --------------------- ----- -------- ------------------------------------ -.t..-----------------

529

Legend

EG 100 yr ---------·------ ---·

EG 25 yr ···· +···

Grit 100 yr

WS 100 yr

WS 25 yr ........ ......... .. Grit 25 yr

Ground

• Bank Sta

528-+--~-~~.-----.----.-~-~-~-~-.-----.-------.-~-~-~-~~-~

180 200 220 240 260 280

Station (ft)

C2-C-61

Biggs & Mathews Environmental M:\PROJl1291061101\PIPart 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

300 320 340 360


Unnamed Trib Plan: Existing 1 /24/2014 River= South Creek Reach= 3.0 RS= 0.77 00.77

538 r-- .085 --f.o65 .085 --------.>.J

536

534

g c 0 ~ 532 ill w

530

528

----------· ----------------------------------

········+·····

Legend

EG 100 yr

WS 100 yr ---------..&.--- ------·

EG 25 yr

WS 25 yr ··· +···

Crit 100 yr

Ground

• Bank Sta

526+-~-,-----,-~~-.---,--.-~-,-----,-----.-~~~.---,--.-~-,-----,-----.-~-~.---,--.-~-,-----,--

0 50 100 150 200 250 300

Station (ft)

C2-C-62


130 Environmental Park - Type I Technically Complete October 28, 2014 Part 111, Attachment C2 , Appendix C2-C

Unnamed Trib Plan: Existing 1 /24/2014 River = South Creek Reach = 3.0 RS = 1.08 01 .08

542 --------- .085 .065 + .085 ____,

540

538

g c: 0 "iii 536 > Q)

w

534

532

-------- ------------------------------ .t.----

Legend

EG 100 yr

WS 100 yr _________ .... _________ ,

EG 25 yr

WS 25 yr

Ground

• Bank Sta

530-1--~~~~--~~~~~~~~--~~~~~~~~--~~~~~~-

1 oo 150 200 250 300 350 400

Station (ft}

C2-C-63



g c 0

~ > Ql

w

Unnamed Trib Plan: Existing 1 /24/2014 River= South Creek Reach = 3.0 RS = 1.21 01 .21

539 \&----------- .085 .065 + .085 _,

538

537

536

----------- ------------ --- ---- ---- - ---------------- - - - --------~--- ----

535 ....... ···+ ·····

534

533

532-1----~-~-~-~-~--~-~-~-~-~-----~-~-~

200 220 240 260 280

Station (ft)

C2-C-64

300 320 340 360

Legend

EG 100 yr ----·----· ---------·

EG 25 yr

WS 100 yr

WS 25 yr +· ..

Crit 100 yr

Gro-und

• Bank Sta



Unnamed Trib Plan : Existing 1/24/2014 River= South Creek Reach = 3.0 RS = 1.66 01 .66

546 .08--f- .065 -+ .08------------41

545

544

543

g c 0

~ > Q)

jjJ

542

541

540

---------------· ------------------------------------------------------

Legend

EG 100 yr

WS 100 yr ---------""·--------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

539+-~~-~~~~~~-~~~-~~~-~~~-~~~-~~~-~~~

250 300 350

Station (ft)

C2-C-65


400 450 500


Unnamed Trib Plan: Existing 1/24/2014 River= South Creek Reach = 3.0 RS = 1.87 01 .87

,..__ ____ .085 .065 I .085------"'

g c .Q ro > Q)

iii

552

550

548

546

544

542

Legend

EG 100 yr

WS 100 yr ---------·------ ---·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

540-+----~---~~----~---~~--------~~---~

250 300


350 400

Station (ft)

C2-C-66

M:IPROJl12910611011PIPart 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

450 500 550


g c 0

~ > Q)

w

560

558

556

554

552

550

548

546

544

Unnamed Trib Plan: Existing 1/24/2014 River= South Creek Reach= 3.0 RS= 1.97 01 .97

Legend

EG 100 yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr

Ground

• Bank Sta

542-1---.--.-~~~~.-.,---,--.--.-~~~~.--.-....,---,--.--,-~~~~.--~.,---,--.--,-~~

0 100


200 300

Station (ft)

C2-C-67

M:IPROJl12910611011PIPart 3 Att C2 App C2-C Pgs C2-C-10 thru 77 .pdf

400 500 600


g c: 0

~ > Q)

w

Unnamed Trib Plan: Existing 1 /24/2014 River= South Creek Reach = 3.0 RS = 2.11 D2.11

~---- .085 - ----+065»>1«1('------- - .085 ---------»1 562

560

558

556

554

552

550

548

546

544-1------~---~---~---~---~---~---~---~~

0 100 200 300 400 500

Station (ft)

C2-C-68

Legend

EG 100 yr

WS 100 yr -·------- .&------- --·

EG 25 yr

WS 25 yr

Ground

• Bank Sta


Technically Complete October 28, 2014 Part Ill, Attachment C2, Appendix C2-C M:IPROJl12910611011PIPart 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

Unnamed Trib Plan: Existing 1 /24/2014 River= South Creek Reach = 3.0 RS = 2.29 02.29

---- .085---- IE---------~.oa5--------__,.

562

560

558

556

g c 0 554 ~ > Q)

w

552

550

548

0 6 5

Legend

EG 100 yr ------ -- -..&.---------·

EG 25 yr

WS 100 yr ............ + ·-· ·

Crit 100 yr

WS 25 yr .... ............... Crit 25 yr

Ground

• Bank Sta

545+--~~---r--~~---r--~~---r--~~---r--~~---r--~~---r--~-

o 100 200 300 400

Station (ft)

C2-C-69



Unnamed Trib Plan : Existing 1/24/2014 River= South Creek Reach= 3.0 RS= 2.36 02.36

562 ----- .085 ----~)-I( .065 .085--------"'

560

558

556

g c 0

~ > (])

w

554

552

550

Legend

EG 100 yr --·· -----4.- -------··

EG 25 yr

WS 100 yr

WS 25 yr

Ground

• Bank Sta

548-I---,---,---,---.--~---,,----.--.--..,--.---.---,---,---,---,----,

0 50 100


150 200

Station (ft)

C2-C-70


250 300 350 400



560 --------- .085 .065 +- .085 ____,

558

556

554

552

Legend

EG 100 yr ---------.,&.---------·

EG 25 yr

WS 100 yr

WS 25 yr

Ground . lneff

• Bank Sta

550+-~~~~~,--,--,--,--,_,___,___,-.-.----.--.-,--.--.--,--,-~~~~~,--,--~___,___,___,~

150 200 250 300

Station (ft)

C2-C-71


350 400 450 500


Unnamed Trib Plan: Existing 1/24/2014 River= South Creek Reach = 3.0 RS = 2.65 02.65

564 I«-------- .085 .065 + .085 -1

g c 0

~ > Q)

iJJ

562

560

558

556

Legend

EG 100 yr

WS 100 yr ---------·---------·

EG 25 yr

WS 25 yr .. -·+ ····

Crit 100 yr . . •·

Crit 25 yr

Ground

• Bank Sta

554-1-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

150 200 250


300 350

Station (ft}

C2-C-72


400 450 500 550

130 Environmental Park - Type I Technically Complete October 28, 2014 Part 11 1, Attachment C2, Appendix C2-C

g c 0

~ > Q)

iii

Unnamed Trib Plan: Existing 1 /24/2014 River= South Creek Reach= 3.0 RS= 2.72 02.72

I«--------- .085------------ .065 _....+,__ __ .085--1 564

562

560

558

556

554-1--~~~-~~~~-~~~~-~~~~-~~~~-~~~~-~~~

100 150 200 250

Station (ft)

C2-C-73

300 350 400

Legend

EG 100 yr ---------·------- ---

EG 25 yr + ·

Crit 100 yr

WS 100 yr

WS 25 yr

·-·· Crit 25 yr

Ground

• Bank Sta


Technically Complete October 28, 2014 Part 111 , Attachment C2, Appendix C2-C M:IPROJ\129\061101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77.pdf

g c:

.Q n; > Q)

w

566

565

564

563

562

Unnamed Trib Plan : Existing 1/24/2014 River= South Creek Reach = 3.0 RS= 2.90 02.90

~~~~---~~.055 ~~'1M-~~~~

Legend

EG 100 yr

WS 100 yr _______ __ ..., _________ ,

EG 25 yr

WS 25 yr + ····

Crit 100 yr ···• ·····

Crit 25 yr

Ground

• Bank Sta

561 -+-~~~-.-~~~--.~~~--.~--.~~.-~,.-~..,-~~~~~-.-~-.-~~~~

120 140 160


180 200

Station (ft)

C2-C-74


220 240 260 280


Unnamed Trib Plan : Existing 1/24/2014 River= South Creek Reach = 3.0 RS = 2.99 02.99

---.085 -----li>l<f------ .065 -------4>1<!--- --- .085 - ----4>

g c 0

~ > Q)

w

568

567

566

----------------------------------------------· ----------------------------------------------------

565

564

Legend

EG 100 yr

WS 100 yr _____ ____ .... _________ .

EG 25 yr

WS 25 yr

Ground

• Bank Sta

563-1-----~~-~~~---~~-~~~~---~~-~~~~---~

80 100


120 140

Station (ft)

C2-C-75


160 180 200

g c: 0

~ > Q)

w

574

573

572

571

570

569

568

Unnamed Trib Plan: Existing 1/24/2014 River= South Creek Reach = 3.0 RS= 3.16 03.16

Legend

EG 100 yr ---------·---------·

EG 25 yr

WS 100 yr

WS 25 yr ··•···

Crit 25 yr

Ground

• Bank Sta

557+-~~~~~~~~~--,-~~~~~~,--ilt--.,-9-~-,---~~~~~~~~~~~~

40 60 80


100 120

Station (ft)

C2-C-76

M:IPROJl12910611011PIPart 3 Alt C2 App C2-C Pgs C2-C-10 thru 77.pdf

140 160 180 200


590

588

586

584

582

.075 --1 0 6 5


.... ·--+ ······ .................

Legend

EG 100 yr

WS 100 yr ---------· ---------·

EG 25 yr

WS 25 yr ·············+·

Grit 100 yr ...... .......

Crit 25 yr

Ground

• Bank Sta

580-1-~~~~~~&-.---41~~~~~~~~~~~~~~~~~~~~~~~~~~

100 200 300 400 500 600

Station (ft)

C2-C-77

Biggs & Mathews Environmental M:\PROJ\129\06\101\P\Part 3 Att C2 App C2-C Pgs C2-C-10 thru 77 .pdf

700 800 900 1000


130 environmental park attachment c2...

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