10
DUNE RESTORATION PLANT LEGEND & DUNE PROTOTYPES AS SHOWN 11/7/12 1 DUNE HUMMOCK PROTOTYPES 2 DUNE RESTORATION KEYPLAN FOR ZONES A-K SCALE: 1 " = 10 ' 0 10 SCALE: 1" = 10'-0" DUNE RESTORATION NOTES: 1) SEE SHEETS L-2 TO L-4 FOR TYPICAL DUNE RESTORATION SECTIONS AND SHEETS L-5 TO L-10 FOR THE ENTIRE BEACH. 2) ALL PROPOSED PLANTING WILL BE IRRIGATED WITH A TEMPORARY IRRIGATION SYSTEM THE IRRIGATION SYSTEM WILL PROVIDE THE MINIMUM AMOUNT OF WATER REQUIRED TO SUSTAIN GOOD PLANT HEALTH DURING THE PLANT ESTABLISHMENT PERIOD, AND IS EXPECTED TO BE DISCONTINUED APPROXIMATELY 2-3 YEARS AFTER INSTALLATION. 3) THE EXISTING ROCK REVETMENT DEPICTED ON THE DUNE PROTOTYPE SECTIONS ON SHEETS L-2 AND L-3 IS NOT PRESENT IN ALL LOCATIONS ALONG THE BEACH. SEE ENGINEERING PLANS FOR THE LIMITS OF THE EXISTING ROCK REVETMENT. 4) THE DUNE PROTOTYPE SECTIONS ON SHEETS L-1 ARE INTENDED TO DEPICT THE APPROXIMATE RELATIONSHIPS BETWEEN THE PROPOSED DUNE HUMMOCKS AND THE EXISTING ROCK REVETMENT, AND THE ACTUAL ELEVATIONS AND EXTENT OF ROCK MAY VARY. AS SHOWN, A 2' MINIMUM BASE LAYER OF SAND WILL BE PLACED OVER THE REVETMENT WHERE IT EXISTS, AND 2-3.3' HIGH DUNE HUMMOCKS WILL BE CREATED OVER THIS BASE LAYER OF SAND. 3 PLANT LEGEND SCALE: 1 " = 500 ' 0 500 SCALE: 1" = 500' N PACIFIC OCEAN POINT LECHUZA BROAD BEACH ROAD BROAD BEACH RESTORATION PROJECT California State Lands Commission 60% SUBMITTAL 6935-02 L-1 20 of 42 B C D E F G H I J K A SHEET INDEX L-1: NOTES & LEGENDS L-2: TYPICAL SECTIONS L-3: TYPICAL SECTIONS L-4: TYPICAL SECTIONS L-5: GRADING & PLANTING ZONES A-B L-6: GRADING & PLANTING ZONES C-D L-7: GRADING & PLANTING ZONES E-F L-8: GRADING & PLANTING ZONES G-H L-9: GRADING & PLANTING ZONES I-J L-10: GRADING & PLANTING ZONES K

BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

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Page 1: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

DUNE RESTORATION

PLANT LEGEND & DUNE PROTOTYPES

AS SHOWN 11/7/12

1DUNE HUMMOCK PROTOTYPES

2DUNE RESTORATION KEYPLAN FOR ZONES A-K

SCALE: 1 " = 10 '

0 10

SCALE: 1" = 10'-0"

DUNE RESTORATION NOTES:

1) SEE SHEETS L-2 TO L-4 FOR TYPICAL DUNE RESTORATION SECTIONS AND SHEETS L-5 TOL-10 FOR THE ENTIRE BEACH.

2) ALL PROPOSED PLANTING WILL BE IRRIGATED WITH A TEMPORARY IRRIGATION SYSTEM THEIRRIGATION SYSTEM WILL PROVIDE THE MINIMUM AMOUNT OF WATER REQUIRED TOSUSTAIN GOOD PLANT HEALTH DURING THE PLANT ESTABLISHMENT PERIOD, AND ISEXPECTED TO BE DISCONTINUED APPROXIMATELY 2-3 YEARS AFTER INSTALLATION.

3) THE EXISTING ROCK REVETMENT DEPICTED ON THE DUNE PROTOTYPE SECTIONS ONSHEETS L-2 AND L-3 IS NOT PRESENT IN ALL LOCATIONS ALONG THE BEACH. SEEENGINEERING PLANS FOR THE LIMITS OF THE EXISTING ROCK REVETMENT.

4) THE DUNE PROTOTYPE SECTIONS ON SHEETS L-1 ARE INTENDED TO DEPICT THEAPPROXIMATE RELATIONSHIPS BETWEEN THE PROPOSED DUNE HUMMOCKS AND THEEXISTING ROCK REVETMENT, AND THE ACTUAL ELEVATIONS AND EXTENT OF ROCK MAYVARY. AS SHOWN, A 2' MINIMUM BASE LAYER OF SAND WILL BE PLACED OVER THEREVETMENT WHERE IT EXISTS, AND 2-3.3' HIGH DUNE HUMMOCKS WILL BE CREATED OVERTHIS BASE LAYER OF SAND. 3

PLANT LEGEND

SCALE: 1 " = 500 '

0 500

SCALE: 1" = 500'

N

PACIFIC OCEAN

POINT LECHUZA

BROAD BEACH ROAD

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-1

20 of 42

B

C

D

E

F

GH

IJK

A

SHEET INDEXL-1: NOTES & LEGENDSL-2: TYPICAL SECTIONSL-3: TYPICAL SECTIONSL-4: TYPICAL SECTIONSL-5: GRADING & PLANTING ZONES A-BL-6: GRADING & PLANTING ZONES C-DL-7: GRADING & PLANTING ZONES E-FL-8: GRADING & PLANTING ZONES G-HL-9: GRADING & PLANTING ZONES I-JL-10: GRADING & PLANTING ZONES K

Page 2: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

LOT 30760 TO LOT 31016 (DOUBLE ROW, WITH REVETMENT)

RESTORE EXISTING DUNE HUMMOCKS, CREATE SECOND SEAWARD ROW

-30

-20

-10

0

10

20

30

40

-30

-20

-10

0

10

20

30

40

0 50 100 150 200 3000-50

RESTORE EXISTING

DUNE

+12

1

10

EXISTING ROCK

REVETMENT

EL

EV

AT

IO

N (M

LL

W)

250

POST NOURISHMENT TOE

+17 MLLW DUNE FOUNDATION

JOIN EXISTING DUNES

NOURISHMENT VOLUME BELOW +17 MLLW:

APPROX. 92 CY/FT

-100-150

HIGH TIDE

LOW TIDE

DUNE VEGETATION (APPROX. 40% COVERAGE)

LOT 30708 TO LOT 30756 (DOUBLE ROW, WITHOUT REVETMENT)

RESTORE EXISTING DUNE HUMMOCKS, CREATE SECOND SEAWARD ROW

-30

-20

-10

0

10

20

30

40

-30

-20

-10

0

10

20

30

40

0 50 100 150 200 3000-50

RESTORE EXISTING

DUNE

+12

1

10

EL

EV

AT

IO

N (M

LL

W)

250

POST NOURISHMENT TOE

+17 MLLW DUNE FOUNDATION

JOIN EXISTING DUNES

NOURISHMENT VOLUME BELOW +17 MLLW:

APPROX. 92 CY/FT

-100-150

HIGH TIDE

LOW TIDE

DUNE VEGETATION (APPROX. 40% COVERAGE)

EXISTING GRADE

PROPOSED GRADE (FOREGROUND)

PROPOSED GRADE (BACKGROUND)

LEGEND

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

1" = 20' 11/7/12

DUNE RESTORATION:

TYPICAL SECTIONS

NOTE: SEE SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE

HUMMOCK PROTOTYPES, AND PLANT LEGENDS. SEE SHEETS L-5 TO L-7 FOR

TYPICAL DUNE HUMMOCK GRADING AND PLANTING PLANS.SCALE: 1 " = 20 '

0 20

L-2

21 of 42

Page 3: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

LOT 31020 TO LOT 31220 (DOUBLE ROW)

CREATE TWO ROWS OF DUNE HUMMOCKS (NO REMNANT DUNE EXISTS)

-30

-20

-10

0

10

20

30

40

-30

-20

-10

0

10

20

30

40

0 50 100 150 200 3000-50

EXISTING GROUND

(APPROX)

+12

1

10

EXISTING ROCK

REVETMENT

EL

EV

AT

IO

N (M

LL

W)

250

POST NOURISHMENT TOE

+17 MLLW DUNE FOUNDATION

50 FT OR WIDER, LANDWARD OF REVETMENT

NOURISHMENT VOLUME BELOW +17 MLLW:

APPROX. 92 CY/FT

-100-150

LOT 31224 TO LOT 31346 (DOUBLE ROW)

CREATE ONE ROW OF DUNE HUMMOCKS LANDWARD OF REVETMENT AND ONE ROW SEAWARD OF THE REVETMENT.

-30

-20

-10

0

10

20

30

40

-30

-20

-10

0

10

20

30

40

0 50 100 150 200 3000-50

EXISTING GROUND

(APPROX)

+12

1

10

EXISTING ROCK

REVETMENT

EL

EV

AT

IO

N (M

LL

W)

250

POST NOURISHMENT TOE

+17 MLLW DUNE FOUNDATION

50 FT WIDE, CENTERED OVER REVETMENT

NOURISHMENT VOLUME BELOW +17 MLLW:

APPROX. 92 CY/FT

-100-150

HIGH TIDE

LOW TIDE

HIGH TIDE

LOW TIDE

DUNE VEGETATION (APPROX. 40% COVERAGE)

DUNE VEGETATION (APPROX. 40% COVERAGE)

EXISTING GRADE

PROPOSED GRADE (FOREGROUND)

PROPOSED GRADE (BACKGROUND)

LEGEND

1" = 20' 11/7/12

DUNE RESTORATION:

TYPICAL SECTIONS

SCALE: 1 " = 20 '

0 20

NOTE: SEE SHEET L-4 FOR DUNE RESTORATION KEY MAP AND

NOTES, DUNE HUMMOCK PROTOTYPES, AND PLANT LEGENDS. SEE

SHEETS L-5 TO L-7 FOR TYPICAL DUNE HUMMOCK GRADING AND

PLANTING PLANS.

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-3

22 of 42

Page 4: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

LOT 31350 TO 31412 (UNPROTECTED DUNES)

CREATE TWO ROWS OF DUNE HUMMOCKS ADJACENT TO EXISTING SEAWALL AND/OR FACE OF BLUFF.

-30

-20

-10

0

10

20

30

40

-30

-20

-10

0

10

20

30

40

0 50 100 150 200 3000-50

+12

1

VARIES

EXISTING SEAWALL

(TYPICAL ALONG REACH)

EL

EV

AT

IO

N (M

LL

W)

250

POST NOURISHMENT TOE

+17 MLLW DUNE FOUNDATION

50 FT WIDE IN FRONT OF EXISTING SEAWALLS

NOURISHMENT VOLUME BELOW +17 MLLW:

APPROX. 80 CY/FT

-100

TW VARIES +17

TO +20 MLLW

-30

-20

-10

0

10

20

30

40

-30

-20

-10

0

10

20

30

40

0 50 100 150 200 2500-50

EXISTING GROUND (APPROX)

+14

1

3

PROPOSED NOURISHMENT PROFILE

APPROX. 85 CY/FT

+17

EXISTING PILE FOUNDATIONS

EL

EV

AT

IO

N (M

LL

W)

POST NOURISHMENT TOE

LOT 31418 TO POINT LECHUZA (UNPROTECTED DUNES)

CREATE TWO OR THREE ROWS OF DUNE HUMMOCKS ADJACENT TO EXISTING PILE FOUNDATIONS.

+20 MLLW DUNE FOUNDATION

50 FT WIDE

EXISTING GROUND (APPROX)

HIGH TIDE

LOW TIDE

HIGH TIDE

LOW TIDE

DUNE VEGETATION (APPROX. 40% COVERAGE)

DUNE VEGETATION (APPROX. 40% COVERAGE)

1

2

EXISTING GRADE

PROPOSED GRADE (FOREGROUND)

PROPOSED GRADE (BACKGROUND)

LEGEND

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

1" = 20' 11/7/12

DUNE RESTORATION:

TYPICAL SECTIONS

SCALE: 1 " = 20 '

0 20

NOTE: SEE SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE

HUMMOCK PROTOTYPES, AND PLANT LEGENDS. SEE SHEETS L-5 TO L-7 FOR

TYPICAL DUNE HUMMOCK GRADING AND PLANTING PLANS.

L-4

23 of 42

Page 5: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

DUNE RESTORATION:

TYPICAL DUNE HUMMOCK GRADING

& PLANTING PLAN

1ZONE A

SCALE: 1 " = 20 '

0 20

1" = 20' 11/7/12

2ZONE B

N

SCALE: 1 " = 20 '

0 20

N

NOTE: SEE SHEET L-1 TO L-3 FOR TYPICAL DUNE RESTORATION SECTIONS AND

SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE HUMMOCK

PROTOTYPES, AND PLANT LEGENDS.

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-5

24 of 42

Page 6: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

DUNE RESTORATION:

TYPICAL DUNE HUMMOCK GRADING

& PLANTING PLAN

3ZONE C

SCALE: 1 " = 20 '

0 20

1" = 20' 11/7/12

4ZONE D

N

SCALE: 1 " = 20 '

0 20

NOTE: SEE SHEET L-1 TO L-3 FOR TYPICAL DUNE RESTORATION SECTIONS AND

SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE HUMMOCK

PROTOTYPES, AND PLANT LEGENDS.

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-6

25 of 42

N

Page 7: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

DUNE RESTORATION:

TYPICAL DUNE HUMMOCK GRADING

& PLANTING PLAN

5ZONE E

SCALE: 1 " = 20 '

0 20

1" = 20' 11/7/12

6ZONE F

N

SCALE: 1 " = 20 '

0 20

NOTE: SEE SHEET L-1 TO L-3 FOR TYPICAL DUNE RESTORATION SECTIONS AND

SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE HUMMOCK

PROTOTYPES, AND PLANT LEGENDS.

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-7

26 of 42

N

Page 8: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

DUNE RESTORATION:

TYPICAL DUNE HUMMOCK GRADING

& PLANTING PLAN

7ZONE G

SCALE: 1 " = 20 '

0 20

1" = 20' 11/7/12

8ZONE H

N

SCALE: 1 " = 20 '

0 20

N

NOTE: SEE SHEET L-1 TO L-3 FOR TYPICAL DUNE RESTORATION SECTIONS AND

SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE HUMMOCK

PROTOTYPES, AND PLANT LEGENDS.

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-8

27 of 42

Page 9: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

DUNE RESTORATION:

TYPICAL DUNE HUMMOCK GRADING

& PLANTING PLAN

9ZONE I

SCALE: 1 " = 20 '

0 20

1" = 20' 11/7/12

10ZONE J

SCALE: 1 " = 20 '

0 20

N

NOTE: SEE SHEET L-1 TO L-3 FOR TYPICAL DUNE RESTORATION SECTIONS AND

SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE HUMMOCK

PROTOTYPES, AND PLANT LEGENDS.

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-9

28 of 42

N

Page 10: BROAD BEACH RESTORATION PROJECT California State Lands ... · proposed grade (foreground) proposed grade (background) legend broad beach restoration project california state lands

DUNE RESTORATION:

TYPICAL DUNE HUMMOCK GRADING

& PLANTING PLAN

11ZONE K

1" = 20' 11/7/12

SCALE: 1 " = 20 '

0 20

N

NOTE: SEE SHEET L-1 TO L-3 FOR TYPICAL DUNE RESTORATION SECTIONS AND

SHEET L-4 FOR DUNE RESTORATION KEY MAP AND NOTES, DUNE HUMMOCK

PROTOTYPES, AND PLANT LEGENDS.

BROAD BEACH RESTORATION PROJECT

California State Lands Commission

60% SUBMITTAL

6935-02

L-10

29 of 42