project depth: -4.0 · pdf fileusing hypack (2013) software. 7. this drawing indicates...

2
BETHEL GRAPHIC SCALE IN FEET 0 150 100 50 50 25 BETHEL HARBOR SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS SURVEY LIMITS PROJECT LIMITS PR O J E C T L IM I T S PROJECT LIMITS P R O J EC T L IM I T S PROJECT LIMITS P R O JE C T LI M I T S PROJECT LIMITS PROJECT LIMITS PROJECT LIMITS PROJECT LIMITS P R O J E C T L IM I T S PROJECT LIMITS P R O J E C T L I M I T S PROJECT LIMITS PROJECT LIMITS PROJECT LIMITS PROJECT LIMITS PROJECT LIMITS P R O J E C T L IMI T S PROJECT LIMITS P R O J E C T L I M I T S PROJECT LIMITS SURVEY LIMITS SURVEY LIMITS DISPOSAL AREA DISPOSAL AREA EAST AVE S HARBOR RD EAST AVE N HARBOR RD PROJECT DEPTH: -4.0 MLLW PROJECT DEPTH: -4.0 MLLW 31.0' VOLUME COMPUTATIONS PROJECT DEPTH (-4.0') AVAILABLE TO PROJECT DEPTH (-4.0') AVAILABLE BETWEEN PROJECT DEPTH (-4.0') AND MAX PAY DEPTH (-5.0') AVAILABLE ALONG SIDE SLOPES (3:1) TOTAL MATERIAL AVAILABLE CY 15 365 18 398 ACTIVE CONSTRUCTION AREA MARSH AREA Elevations Table Number 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Minimum Elevation -39.140 -25.000 -18.000 -14.000 -10.000 -7.000 -6.000 -5.000 -4.000 -3.000 -2.000 -1.000 0.000 2.000 4.000 8.000 Maximum Elevation -25.000 -18.000 -14.000 -10.000 -7.000 -6.000 -5.000 -4.000 -3.000 -2.000 -1.000 0.000 2.000 4.000 8.000 12.232 Color -4 0 10 -4 0 -4 0 10 10 0 -4 10 0 -4 -4 10 0 -4 -4 0 0 0 0 -4 -4 0 10 -4 0 0 -4 -4 0 10 10 0 -4 -4 -20 -10 -4 -30 -20 -20 -10 -30 -20 -10 -10 -10 -10 -10 -10 -10 -20 -20 -30 -30 -4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 30 31 32 33 34 35 36 37 39 40 41 42 43 44 45 46 47 48 49 50 51 55 56 57 58 59 C ATS 1346 1992 LCMF C1 1992 LCMF C2 1993 BH-A 1996 BH-B 1996 BH-C 1998 BH-D 1998 BH-E 2001 BH-F 2001 BH-1 2013 N 2,480,750 E 1,686,750 N 2,481,000 N 2,481,250 N 2,481,500 N 2,481,750 N 2,482,000 E 1,686,750 E 1,687,000 E 1,687,000 E 1,687,250 E 1,687,250 E 1,687,500 E 1,687,500 E 1,687,750 E 1,687,750 N 2,480,750 E 1,688,000 N 2,481,000 N 2,481,250 N 2,481,500 N 2,481,750 N 2,482,000 E 1,688,000 SURVEY CONTROL DATA STATION 1475-1 1986 ATS 1346 1992 BH-1 2013 BH-2 2013 BH-A 1996 BH-B 1996 BH-C 1998 BH-D 1998 BH-E 2001 BH-F 2001 LCMF C1 1992 LCMF C2 1993 NORTHING 2,482,263.76 2,481,062.33 2,481,189.68 2,482,278.40 2,481,940.58 2,481,469.27 2,481,686.86 2,481,244.34 2,481,197.92 2,481,074.18 2,481,417.42 2,482,146.44 EASTING 1,687,527.24 1,687,023.56 1,687,698.40 1,687,609.26 1,687,756.71 1,687,431.20 1,687,139.66 1,687,288.37 1,687,709.26 1,686,930.35 1,687,819.64 1,686,982.60 MLLW 8.44 8.31 8.19 9.09 6.55 8.52 8.28 9.17 DESCRIPTION USACE SBC DAMAGED (SET) 3 INCH BRASS CAP (SET) 3 INCH ALUM. CAP DESTROYED DESTROYED DAMAGED 3 INCH ALUM. CAP DESTROYED 2.5 INCH ALUM. CAP 3 INCH ALUM. CAP DESTROYED FAIRBANKS ARCTIC OCEAN CHUCKCHI SEA 0 200 400 600 800 Scale in Miles LOCATION/VICINITY MAP(S) BETHEL HARBOR BETHEL, ALASKA JUNEAU BERING SEA ALEUTIAN ISLANDS GULF OF ALASKA ANCHORAGE BRISTOL BAY NOME KOTZEBUE BARROW SURVEY LIMITS CORNER# 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 NORTHING 2,481,795.81 2,481,643.82 2,481,584.47 2,481,146.75 2,481,012.31 2,480,958.42 2,480,913.97 2,480,875.52 2,480,537.27 2,480,613.77 2,480,875.52 2,481,135.05 2,481,134.97 2,481,255.68 2,481,256.01 2,481,139.05 2,481,150.57 2,481,153.89 2,481,255.68 2,481,445.62 2,481,437.74 2,482,007.75 2,482,212.47 2,482,438.21 2,482,232.34 2,482,010.86 2,481,943.38 2,481,909.01 2,481,759.14 2,481,760.36 EASTING 1,688,140.44 1,688,182.31 1,688,135.30 1,687,922.56 1,687,736.80 1,687,338.83 1,687,278.80 1,687,261.14 1,687,106.86 1,686,941.04 1,687,063.49 1,687,040.42 1,687,080.02 1,687,364.72 1,687,389.64 1,687,389.52 1,687,483.39 1,687,602.70 1,687,724.99 1,687,817.27 1,687,314.33 1,686,762.34 1,686,904.05 1,687,614.62 1,687,730.88 1,687,791.61 1,687,810.12 1,687,751.62 1,687,791.06 1,688,003.00 NOTES 1. HORIZONTAL CONTROL IS ALASKA STATE PLANE, ZONE 7, NAD83(2011) IN U.S. SURVEY FEET BASED ON LOCAL CONTROL MONUMENT "1475-1 1986" AS N 2,482,263.76, E 1,687,527.24 AND "BH-F 2001" AS N 2,481,074.18, E 1,686,930.35. 2. VERTICAL CONTROL IS MEAN LOWER LOW WATER (MLLW=0.0'), BASED ON NOAA/NOS TIDAL BENCH MARK LIST: "946 6477, BETHEL, KUSKOKWIM RIVER, AK", PUBLISHED 01/14/2011. THIS TIDAL DATUM IS BASED ON THE 1983-2001 TIDAL EPOCH AND IS REFERENCED BY HOLDING NOAA TIDAL BENCH MARK "6477 B 2010" AS 10.58' AND NOAA TIDAL BENCH MARK "6477 C 2010 AS 10.01'. 3. VERTICAL TIES TO THE NATIONAL SPATIAL REFERENCE SYSTEM ARE BASED ON PUBLISHED NAVD88 ELEVATIONS HOLDING THE OPUS DB PUBLISHED VALUES OF "6477 B 2010" (PID BBCC65) AS 17.60'. 4. SOUNDINGS ARE IN FEET AND ARE MINUS UNLESS OTHERWISE INDICATED. 5. THE EXISTING PROJECT CONSISTS OF BETHEL HARBOR LOCATED IN BETHEL, ALASKA. 6. THE SURVEY WAS CONDUCTED ON SEPTEMBER 25, 2013. HYDROGRAPHIC SOUNDING DATA WAS COLLECTED USING AN ODOM HYDROTRAC SINGLE BEAM ECHOSOUNDER WITH A 3 DEGREE TRANSDUCER. POSITIONING WAS PROVIDED IN REAL TIME USING A TRIMBLE R8 RTK GPS RECEIVER OPERATING ON KINEMATIC CORRECTORS BROADCAST FROM A TRIMBLE R8 RTK BASE RECEIVER SET AT CONTROL STATION, "1475-1". SOUND VELOCITY PROFILE WAS PROVIDED USING AN ODOM DIGI-BAR PRO. DATA COLLECTION AND NAVIGATION WERE PERFORMED USING HYPACKV(2013) SOFTWARE. SURVEY DATA WAS POST-PROCESSED USING HYPACK (2013) SOFTWARE. 7. THIS DRAWING INDICATES GENERAL CONDITIONS AT THE TIME OF THE SURVEY. 8. PLAN VIEW SOUNDINGS ARE SORTED AT 12 FEET. VOLUME SOUNDINGS ARE SORTED AT 3 FEET. PROJECT LIMITS CORNER# 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 NORTHING 2,481,713.90 2,481,663.80 2,481,175.90 2,481,078.70 2,481,023.30 2,480,939.70 2,480,706.30 2,480,719.20 2,480,953.30 2,481,053.90 2,481,109.40 2,481,189.40 2,481,451.20 2,481,587.00 2,481,616.30 2,481,608.30 2,481,560.90 2,481,984.50 2,482,017.90 2,482,138.80 2,482,170.60 2,482,142.60 2,481,732.30 2,481,695.70 2,481,674.80 EASTING 1,688,093.60 1,688,107.40 1,687,862.30 1,687,727.90 1,687,318.90 1,687,205.90 1,687,098.70 1,687,070.50 1,687,178.00 1,687,314.00 1,687,723.80 1,687,834.40 1,687,961.60 1,687,886.40 1,687,602.90 1,687,574.00 1,687,400.40 1,686,980.20 1,686,989.10 1,687,428.50 1,687,544.20 1,687,593.40 1,687,705.90 1,687,749.00 1,687,951.60 Approved: CONTRACTOR: HUGHES & ASSOCIATES CONTRACT NO.: W911KB-10-D-0005-001501 Recommended: CITY: WASILLA PRIME CONTRACTOR STATE: ALASKA Date: CHIEF SURVEY SECTION Sheet of DESCRIPTION SHEET IDENTIFICATION U.S. ARMY CORPS OF ENGINEERS P.O. BOX 6898 ALASKA DISTRICT HUGHES & ASSOCIATES 2970 COTTLE LOOP WASILLA, ALASKA 99654 SURVEY NO.: FILE NAME: DRAWN BY: CHECKED BY: SURVEYED BY: DATE: CWIS or UPC & (P2) #'s: SIZE: APPROVED BY: SCALE: PLOT DATE: CONTRACT NO.: ANSI E JBER, ALASKA 99506-0898 US Army Corps of Engineers REVISION DATE APPVD BY DESCRIPTION REVISION DATE APPVD BY V-102 2 2 BETHEL, ALASKA BETHEL HARBOR SEPTEMBER 25, 2013 PROJECT CONDITION SURVEY XXX 22 November 2013 BETHEL_HARBOR_PCS_2013_FINAL.DWG BTH 1" = 50' JMJ CSH XXXXX 11/22/2013 W911KB-10-D-0005-001501 3153-13

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Page 1: PROJECT DEPTH: -4.0  · PDF fileusing hypack (2013) software. 7. this drawing indicates general conditions at the time of the survey. 8. plan view soundings are sorted at 12 feet

BETHEL

GRAPHIC SCALE IN FEET

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PROJECT DEPTH:

-4.0 MLLW

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LLW

31.0'

VOLUME COMPUTATIONS

PROJECT DEPTH (-4.0')

AVAILABLE TO PROJECT DEPTH (-4.0')

AVAILABLE BETWEEN PROJECT DEPTH (-4.0') AND MAX PAY DEPTH (-5.0')

AVAILABLE ALONG SIDE SLOPES (3:1)

TOTAL MATERIAL AVAILABLE

CY

15

365

18

398

ACTIVE

CONSTRUCTION

AREA

MARSH

AREA

Elevations Table

Number

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Minimum Elevation

-39.140

-25.000

-18.000

-14.000

-10.000

-7.000

-6.000

-5.000

-4.000

-3.000

-2.000

-1.000

0.000

2.000

4.000

8.000

Maximum Elevation

-25.000

-18.000

-14.000

-10.000

-7.000

-6.000

-5.000

-4.000

-3.000

-2.000

-1.000

0.000

2.000

4.000

8.000

12.232

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ATS 1346 1992

LCMF C1 1992

LCMF C2 1993

BH-A 1996

BH-B 1996

BH-C 1998

BH-D 1998

BH-E 2001

BH-F 2001

BH-1 2013

N 2,480,750

E 1,686,750

N 2,481,000

N 2,481,250

N 2,481,500

N 2,481,750

N 2,482,000

E 1,686,750

E 1,687,000

E 1,687,000

E 1,687,250

E 1,687,250

E 1,687,500

E 1,687,500

E 1,687,750

E 1,687,750

N 2,480,750

E 1,688,000

N 2,481,000

N 2,481,250

N 2,481,500

N 2,481,750

N 2,482,000

E 1,688,000

SURVEY CONTROL DATA

STATION

1475-1 1986

ATS 1346 1992

BH-1 2013

BH-2 2013

BH-A 1996

BH-B 1996

BH-C 1998

BH-D 1998

BH-E 2001

BH-F 2001

LCMF C1 1992

LCMF C2 1993

NORTHING

2,482,263.76

2,481,062.33

2,481,189.68

2,482,278.40

2,481,940.58

2,481,469.27

2,481,686.86

2,481,244.34

2,481,197.92

2,481,074.18

2,481,417.42

2,482,146.44

EASTING

1,687,527.24

1,687,023.56

1,687,698.40

1,687,609.26

1,687,756.71

1,687,431.20

1,687,139.66

1,687,288.37

1,687,709.26

1,686,930.35

1,687,819.64

1,686,982.60

MLLW

8.44

8.31

8.19

9.09

6.55

8.52

8.28

9.17

DESCRIPTION

USACE SBC

DAMAGED

(SET) 3 INCH BRASS CAP

(SET) 3 INCH ALUM. CAP

DESTROYED

DESTROYED

DAMAGED

3 INCH ALUM. CAP

DESTROYED

2.5 INCH ALUM. CAP

3 INCH ALUM. CAP

DESTROYED

FAIRBANKS

ARCTIC OCEANCHUCKCHI SEA

0 200 400 600 800

Scale in Miles

LOCATION/VICINITY MAP(S)

BETHEL HARBOR

BETHEL, ALASKA

JUNEAU

BERING SEA

ALEUTIAN ISLANDS

GULF OF ALASKA

ANCHORAGE

BRISTOL

BAY

NOME

KOTZEBUE

BARROW

SURVEY LIMITS

CORNER#

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NORTHING

2,481,795.81

2,481,643.82

2,481,584.47

2,481,146.75

2,481,012.31

2,480,958.42

2,480,913.97

2,480,875.52

2,480,537.27

2,480,613.77

2,480,875.52

2,481,135.05

2,481,134.97

2,481,255.68

2,481,256.01

2,481,139.05

2,481,150.57

2,481,153.89

2,481,255.68

2,481,445.62

2,481,437.74

2,482,007.75

2,482,212.47

2,482,438.21

2,482,232.34

2,482,010.86

2,481,943.38

2,481,909.01

2,481,759.14

2,481,760.36

EASTING

1,688,140.44

1,688,182.31

1,688,135.30

1,687,922.56

1,687,736.80

1,687,338.83

1,687,278.80

1,687,261.14

1,687,106.86

1,686,941.04

1,687,063.49

1,687,040.42

1,687,080.02

1,687,364.72

1,687,389.64

1,687,389.52

1,687,483.39

1,687,602.70

1,687,724.99

1,687,817.27

1,687,314.33

1,686,762.34

1,686,904.05

1,687,614.62

1,687,730.88

1,687,791.61

1,687,810.12

1,687,751.62

1,687,791.06

1,688,003.00

NOTES

1. HORIZONTAL CONTROL IS ALASKA STATE PLANE, ZONE 7, NAD83(2011) IN U.S. SURVEY FEET BASED ON

LOCAL CONTROL MONUMENT "1475-1 1986" AS N 2,482,263.76, E 1,687,527.24 AND "BH-F 2001" AS N

2,481,074.18, E 1,686,930.35.

2. VERTICAL CONTROL IS MEAN LOWER LOW WATER (MLLW=0.0'), BASED ON NOAA/NOS TIDAL BENCH MARK

LIST: "946 6477, BETHEL, KUSKOKWIM RIVER, AK", PUBLISHED 01/14/2011. THIS TIDAL DATUM IS BASED ON

THE 1983-2001 TIDAL EPOCH AND IS REFERENCED BY HOLDING NOAA TIDAL BENCH MARK "6477 B 2010" AS

10.58' AND NOAA TIDAL BENCH MARK "6477 C 2010 AS 10.01'.

3. VERTICAL TIES TO THE NATIONAL SPATIAL REFERENCE SYSTEM ARE BASED ON PUBLISHED NAVD88

ELEVATIONS HOLDING THE OPUS DB PUBLISHED VALUES OF "6477 B 2010" (PID BBCC65) AS 17.60'.

4. SOUNDINGS ARE IN FEET AND ARE MINUS UNLESS OTHERWISE INDICATED.

5. THE EXISTING PROJECT CONSISTS OF BETHEL HARBOR LOCATED IN BETHEL, ALASKA.

6. THE SURVEY WAS CONDUCTED ON SEPTEMBER 25, 2013. HYDROGRAPHIC SOUNDING DATA WAS COLLECTED

USING AN ODOM HYDROTRAC SINGLE BEAM ECHOSOUNDER WITH A 3 DEGREE TRANSDUCER. POSITIONING

WAS PROVIDED IN REAL TIME USING A TRIMBLE R8 RTK GPS RECEIVER OPERATING ON KINEMATIC

CORRECTORS BROADCAST FROM A TRIMBLE R8 RTK BASE RECEIVER SET AT CONTROL STATION, "1475-1".

SOUND VELOCITY PROFILE WAS PROVIDED USING AN ODOM DIGI-BAR PRO. DATA COLLECTION AND

NAVIGATION WERE PERFORMED USING HYPACKV(2013) SOFTWARE. SURVEY DATA WAS POST-PROCESSED

USING HYPACK (2013) SOFTWARE.

7. THIS DRAWING INDICATES GENERAL CONDITIONS AT THE TIME OF THE SURVEY.

8. PLAN VIEW SOUNDINGS ARE SORTED AT 12 FEET. VOLUME SOUNDINGS ARE SORTED AT 3 FEET.

PROJECT LIMITS

CORNER#

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

NORTHING

2,481,713.90

2,481,663.80

2,481,175.90

2,481,078.70

2,481,023.30

2,480,939.70

2,480,706.30

2,480,719.20

2,480,953.30

2,481,053.90

2,481,109.40

2,481,189.40

2,481,451.20

2,481,587.00

2,481,616.30

2,481,608.30

2,481,560.90

2,481,984.50

2,482,017.90

2,482,138.80

2,482,170.60

2,482,142.60

2,481,732.30

2,481,695.70

2,481,674.80

EASTING

1,688,093.60

1,688,107.40

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1,687,400.40

1,686,980.20

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1,687,428.50

1,687,544.20

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1,687,705.90

1,687,749.00

1,687,951.60

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ACTIVE

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1

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9

+4

1

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4

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5

0

4

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5

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9

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0

+10

0

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8

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1

0

0

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2

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6

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2

4

2

4

4

4

7

4

9

8

8

8

8

9

1

9

9

3

4

3

7

9

9

10

2

26

7

28

2

0

6

1

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1

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1

7

2

6

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0

3

2

3

2

3

5

3

7

3

8

3

9

3

9

4

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0

6

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9

2

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5

9

5

9

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0

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3

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10

6

10

9

11

9

12

6

12

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12

9

13

6

13

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18

9

26

4

29

0

1

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3

84

4

4

8

4

9

5

2

5

2

5

3

5

3

5

3

5

4

5

4

5

4

5

4

5

5

6

0

6

0

6

2

10

2

10

6

10

7

11

4

11

6

4

0

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3

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3

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3

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3

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4

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4

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4

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0

5

1

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2

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2

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2

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2

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2

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2

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3

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3

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4

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4

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4

5

5

5

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10

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17

4

20

4

27

0

29

2

29

9

0

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0

9

1

0

1

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1

8

1

8

1

8

1

9

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4

2

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3

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4

6

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4

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6

1

6

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1

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1

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5

6

5

8

6

1

6

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0

3

4

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4

7

4

7

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0

5

1

5

2

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2

5

3

5

4

5

5

5

5

5

6

5

8

5

8

6

4

4

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5

0

5

5

5

6

5

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2

0

2

0

2

2

2

3

2

4

2

4

2

5

2

5

2

6

2

6

2

6

2

7

3

1

4

5

4

5

4

6

4

6

4

7

4

7

4

7

4

8

4

8

5

0

5

0

5

0

5

0

5

0

5

0

5

0

5

1

5

1

5

1

5

1

5

2

5

2

5

3

5

3

5

3

5

3

5

3

5

4

5

4

5

4

5

4

5

4

5

5

5

5

5

5

5

6

5

6

5

6

5

7

5

8

5

8

5

9

5

9

6

0

6

1

6

7

7

0

0

4

0

5

1

0

1

0

1

1

1

2

1

4

1

6

1

8

1

8

1

9

2

0

2

0

2

4

2

8

3

0

3

0

3

2

3

2

5

0

5

1

5

2

5

4

6

2

6

3

6

4

0

8

1

0

1

2

1

6

1

7

2

9

3

1

3

4

4

6

5

2

0

3

0

6

0

9

1

3

1

6

1

8

1

8

2

4

3

7

4

5

0

4

0

5

1

2

1

9

2

0

2

0

2

0

2

2

2

4

3

4

3

6

4

8

5

7

2

0

2

1

2

2

2

2

2

2

2

3

2

4

2

4

2

9

4

2

4

3

4

3

4

4

4

4

4

5

4

7

4

8

4

8

4

8

4

8

5

0

5

1

5

3

5

5

5

5

5

6

5

8

6

0

6

4

6

5

6

7

7

1

1

7

2

3

2

3

2

3

2

3

4

4

4

5

4

6

4

6

4

7

4

7

4

8

4

8

4

8

4

9

4

9

4

9

4

9

5

0

5

0

5

0

5

1

5

1

5

1

5

2

5

3

5

3

5

4

6

0

0

5

0

5

1

0

2

5

3

0

3

2 3

4

4

9

5

0

5

3

2

9

-

4

0

1

0

-4

0

-

4

0

1

0

1

0

0

-4

1

0

0

-4

-4

1

0

0

-

4

-

4

0

0

0

0

-

4

-

4

0

1

0

-

4

0

0

-4

-4

0

10

1

0

0

-4

-

4

-

2

0

-

1

0

-

4

-3

0

-20

-

2

0

-

1

0

-30

-20

-

1

0

-

1

0

-

1

0

-

1

0

-10

-

1

0

-

1

0

-2

0

-

2

0

-

3

0

-

3

0

-4

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

30

31

32

33

34

35

36

37

39

40

41 42

4344

45

46

47

48

49

50

51

55

56

57

58

59

C

ATS 1346 1992

LCMF C1 1992

LCMF C2 1993

BH-A 1996

BH-B 1996

BH-C 1998

BH-D 1998

BH-E 2001

BH-F 2001

BH-1 2013

N 2,480,750

E 1,686,750

N 2,481,000

N 2,481,250

N 2,481,500

N 2,481,750

N 2,482,000

E 1,686,750

E 1,687,000

E 1,687,000

E 1,687,250

E 1,687,250

E 1,687,500

E 1,687,500

E 1,687,750

E 1,687,750

N 2,480,750

E 1,688,000

N 2,481,000

N 2,481,250

N 2,481,500

N 2,481,750

N 2,482,000

E 1,688,000

SURVEY CONTROL DATA

STATION

1475-1 1986

ATS 1346 1992

BH-1 2013

BH-2 2013

BH-A 1996

BH-B 1996

BH-C 1998

BH-D 1998

BH-E 2001

BH-F 2001

LCMF C1 1992

LCMF C2 1993

NORTHING

2,482,263.76

2,481,062.33

2,481,189.68

2,482,278.40

2,481,940.58

2,481,469.27

2,481,686.86

2,481,244.34

2,481,197.92

2,481,074.18

2,481,417.42

2,482,146.44

EASTING

1,687,527.24

1,687,023.56

1,687,698.40

1,687,609.26

1,687,756.71

1,687,431.20

1,687,139.66

1,687,288.37

1,687,709.26

1,686,930.35

1,687,819.64

1,686,982.60

MLLW

8.44

8.31

8.19

9.09

6.55

8.52

8.28

9.17

DESCRIPTION

USACE SBC

DAMAGED

(SET) 3 INCH BRASS CAP

(SET) 3 INCH ALUM. CAP

DESTROYED

DESTROYED

DAMAGED

3 INCH ALUM. CAP

DESTROYED

2.5 INCH ALUM. CAP

3 INCH ALUM. CAP

DESTROYED

FAIRBANKS

ARCTIC OCEANCHUCKCHI SEA

0 200 400 600 800

Scale in Miles

LOCATION/VICINITY MAP(S)

BETHEL HARBOR

BETHEL, ALASKA

JUNEAU

BERING SEA

ALEUTIAN ISLANDS

GULF OF ALASKA

ANCHORAGE

BRISTOL

BAY

NOME

KOTZEBUE

BARROW

SURVEY LIMITS

CORNER#

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

NORTHING

2,481,795.81

2,481,643.82

2,481,584.47

2,481,146.75

2,481,012.31

2,480,958.42

2,480,913.97

2,480,875.52

2,480,537.27

2,480,613.77

2,480,875.52

2,481,135.05

2,481,134.97

2,481,255.68

2,481,256.01

2,481,139.05

2,481,150.57

2,481,153.89

2,481,255.68

2,481,445.62

2,481,437.74

2,482,007.75

2,482,212.47

2,482,438.21

2,482,232.34

2,482,010.86

2,481,943.38

2,481,909.01

2,481,759.14

2,481,760.36

EASTING

1,688,140.44

1,688,182.31

1,688,135.30

1,687,922.56

1,687,736.80

1,687,338.83

1,687,278.80

1,687,261.14

1,687,106.86

1,686,941.04

1,687,063.49

1,687,040.42

1,687,080.02

1,687,364.72

1,687,389.64

1,687,389.52

1,687,483.39

1,687,602.70

1,687,724.99

1,687,817.27

1,687,314.33

1,686,762.34

1,686,904.05

1,687,614.62

1,687,730.88

1,687,791.61

1,687,810.12

1,687,751.62

1,687,791.06

1,688,003.00

NOTES

1. HORIZONTAL CONTROL IS ALASKA STATE PLANE, ZONE 7, NAD83(2011) IN U.S. SURVEY FEET BASED ON

LOCAL CONTROL MONUMENT "1475-1 1986" AS N 2,482,263.76, E 1,687,527.24 AND "BH-F 2001" AS N

2,481,074.18, E 1,686,930.35.

2. VERTICAL CONTROL IS MEAN LOWER LOW WATER (MLLW=0.0'), BASED ON NOAA/NOS TIDAL BENCH MARK

LIST: "946 6477, BETHEL, KUSKOKWIM RIVER, AK", PUBLISHED 01/14/2011. THIS TIDAL DATUM IS BASED ON

THE 1983-2001 TIDAL EPOCH AND IS REFERENCED BY HOLDING NOAA TIDAL BENCH MARK "6477 B 2010" AS

10.58' AND NOAA TIDAL BENCH MARK "6477 C 2010 AS 10.01'.

3. VERTICAL TIES TO THE NATIONAL SPATIAL REFERENCE SYSTEM ARE BASED ON PUBLISHED NAVD88

ELEVATIONS HOLDING THE OPUS DB PUBLISHED VALUES OF "6477 B 2010" (PID BBCC65) AS 17.60'.

4. SOUNDINGS ARE IN FEET AND ARE MINUS UNLESS OTHERWISE INDICATED.

5. THE EXISTING PROJECT CONSISTS OF BETHEL HARBOR LOCATED IN BETHEL, ALASKA.

6. THE SURVEY WAS CONDUCTED ON SEPTEMBER 25, 2013. HYDROGRAPHIC SOUNDING DATA WAS COLLECTED

USING AN ODOM HYDROTRAC SINGLE BEAM ECHOSOUNDER WITH A 3 DEGREE TRANSDUCER. POSITIONING

WAS PROVIDED IN REAL TIME USING A TRIMBLE R8 RTK GPS RECEIVER OPERATING ON KINEMATIC

CORRECTORS BROADCAST FROM A TRIMBLE R8 RTK BASE RECEIVER SET AT CONTROL STATION, "1475-1".

SOUND VELOCITY PROFILE WAS PROVIDED USING AN ODOM DIGI-BAR PRO. DATA COLLECTION AND

NAVIGATION WERE PERFORMED USING HYPACKV(2013) SOFTWARE. SURVEY DATA WAS POST-PROCESSED

USING HYPACK (2013) SOFTWARE.

7. THIS DRAWING INDICATES GENERAL CONDITIONS AT THE TIME OF THE SURVEY.

8. PLAN VIEW SOUNDINGS ARE SORTED AT 12 FEET. VOLUME SOUNDINGS ARE SORTED AT 3 FEET.

PROJECT LIMITS

CORNER#

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

NORTHING

2,481,713.90

2,481,663.80

2,481,175.90

2,481,078.70

2,481,023.30

2,480,939.70

2,480,706.30

2,480,719.20

2,480,953.30

2,481,053.90

2,481,109.40

2,481,189.40

2,481,451.20

2,481,587.00

2,481,616.30

2,481,608.30

2,481,560.90

2,481,984.50

2,482,017.90

2,482,138.80

2,482,170.60

2,482,142.60

2,481,732.30

2,481,695.70

2,481,674.80

EASTING

1,688,093.60

1,688,107.40

1,687,862.30

1,687,727.90

1,687,318.90

1,687,205.90

1,687,098.70

1,687,070.50

1,687,178.00

1,687,314.00

1,687,723.80

1,687,834.40

1,687,961.60

1,687,886.40

1,687,602.90

1,687,574.00

1,687,400.40

1,686,980.20

1,686,989.10

1,687,428.50

1,687,544.20

1,687,593.40

1,687,705.90

1,687,749.00

1,687,951.60

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