W912EK-16-B-0001_PLANS-1.pdf

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MACK.THOMAS.E.1230411235

Date: 2016.05.26 11:08:46 -05'00'

Digitally signed by LANDWEHR.KEVIN.J.1230550367 DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=USA, cn=LANDWEHR.KEVIN.J.1230550367 Date: 2016.05.24 12:31:00 -05'00'

Digitally signed by STEWART.MATTHEW.E.1231228442 DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=USA, cn=STEWART.MATTHEW.E.1231228442 Date: 2016.05.25 09:23:27 -05'00'

Digitally signed by MOTT.RONALD.L.1231238138 DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=USA, cn=MOTT.RONALD.L.1231238138 Date: 2016.05.24 15:15:46 -05'00'

Digitally signed by ANDERSON.HEATHER.L.1231214808 DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=USA, cn=ANDERSON.HEATHER.L.1231214808 Date: 2016.05.27 09:17:11 -05'00'

HAMILTON.DENNIS.

W.1231227810

Digitally signed by

HAMILTON.DENNIS.W.1231227810

DN: c=US, o=U.S. Government, ou=DoD, ou=PKI, ou=USA, cn=HAMILTON.DENNIS.W.1231227810 Date: 2016.05.31 07:48:08 -05'00'

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INDEX

GENERAL NOTES

IN

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REQUIRED TO AVOID HARM TO THESE SNAKES.

16. REFER TO SPECIFICATIONS FOR WORK RESTRICTIONS WHEN COPPERBELLY AND DIAMONDBACK SNAKES EMERGE FROM HIBERNATION. A 7 TO 10 DAY WORK RESTRICTION IN THE SPRING MAY BE

EAGLES OR RED SHOULDERED HAWKS AS SPECIFIED.

15. NO CLEARING OF TREES SHALL BE ALLOWED BETWEEN APRIL 1 AND SEPTEMBER 30 AS SPECIFIED. NO CLEARING OF TREES SHALL BE ALLOWED WHEN ROOSTING OR ACTIVE NESTING BY BALD

14. THE CONTRACTOR SHALL PREPARE AND SUBMIT A STORMWATER POLLUTION PREVENTION PLAN IN ACCORDANCE WITH THE NPDES PERMIT.

13. THE CONTRACTOR IS RESPONSIBLE FOR OBTAINING A NPDES STORM WATER PERMIT PRIOR TO INITIATING CONSTRUCTION.

ENCOUNTERED, SHALL BE REMOVED AND PROPERLY DISPOSED OF OFFSITE AT THE CONTRACTOR'S EXPENSE.

12. THE CONTRACTOR SHOULD EXPECT TO ENCOUNTER MATERIAL SUCH AS GRAVEL, BOULDERS, TREES, ROOTBALLS, STUMPS, TRASH, ETC. IN THE EXCAVATED MATERIALS. SUCH MATERIALS, IF

CONTRACTING OFFICER AND OTHER CONTRACTORS WORKING ONSITE.

FLOOD EVENTS AT NO ADDITIONAL COST. THERE COULD BE OTHER CONTRACTORS WORKING IN THIS AREA AT THE SAME TIME. STAGING AREA AND ACCESS SHALL BE COORDINATED WITH THE

11. STAGING SHALL BE COORDINATED WITH THE CONTRACTING OFFICER. CONTRACTOR IS RESPONSIBLE FOR PROTECTING OR REMOVING ANY STAGED EQUIPMENT OR OTHER ITEMS PRIOR TO

10. BACKGROUND IMAGE IS ORTHOPHOTOGRAPHY FROM 2015.

FLAT POOL ELEVATION IS 528.0 FT MSL 1912 THROUGHOUT POOL 18.9.

8. SURVEY INFORMATION IS SHOWN ON SHEET V-101.

7. THE LAYOUT OF THE PROJECT FEATURES AS SHOWN SHALL BE FIELD STAKED BY THE CONTRACTOR AND APPROVED BY THE CONTRACTING OFFICER PRIOR TO ANY WORK STARTING.

UTILITIES DAMAGED DURING CONSTRUCTION.

6. THE CONTRACTOR SHALL BE RESPONSIBLE FOR LOCATING UTILITIES ON SITE AND AT STAGING AREAS PRIOR TO BEGINNING WORK AND SHALL BE RESPONSIBLE FOR REPAIRING ANY

HISTORIC RIVER LEVEL DATA.

5. THE ENTIRE PROJECT SITE IS IN THE RIVER AND IS THEREFORE HIGHLY SUSCEPTIBLE TO WATER FLUCTUATION THAT MAY IMPACT CONTRACTOR WORK PROGRESS. SEE SPECIFICATIONS FOR

BACKWATER CHANNELS. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL ACCESS REQUIREMENTS AND LIMITATIONS.

4. THE PROJECT FEATURES ARE NOT IMMEDIATELY ADJACENT TO THE NAVIGATION CHANNEL. THE CONTRACTOR SHALL ENSURE EQUIPMENT SELECTED CAN ACCESS THE SITE THROUGH

3. ACCESS TO THE SITE IS BY RIVER ONLY. VEHICULAR ACCESS IS NOT AVAILABLE.

2. ALL PROJECT LANDS ARE IN FEDERAL OWNERSHIP AND ARE MANAGED BY THE U.S. FISH AND WILDLIFE SERVICE AND THE IOWA DEPARTMENT OF NATURAL RESOURCES.

APPROXIMATELY 12 MILES UPSTREAM OF THE ISLAND COMPLEX.

TO GLADSTONE, ILLINOIS. THE PROJECT IS LOCATED APPROXIMATELY 20 MILES UPSTREAM OF BURLINGTON, IOWA. THE IOWA RIVER ENTERS THE MISSISSIPPI RIVER

1. THE PROJECT IS LOCATED IN DES MOINES COUNTY, IOWA IN POOL 18 BETWEEN RIVER MILES (RM) 421.2 THROUGH 425.4. POOL 18 EXTENDS FROM NEW BOSTON, ILLINOIS

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ABBREVIATIONSLEGEND

(IL WEST IN FEET)

(STATE PLANE COORDINATES NAD 83)

LOCATION OF BORING

DATE OF DRILLING

TOP ELEVATION MSL1912 (IN FEET)

46/28LIQUID AND PLASTIC LIMIT

PT

WALLED PUSH TUBE

HOLE ADVANCED BY A SMOOTH

BORING LEGEND

HA

WL

BORING NUMBER

WATER LEVEL

IN PERCENT DRY WEIGHT

NATURAL MOISTURE CONTENT

MAJOR STRATA CHANGE

MINOR STRATA CHANGE

PERCENT PASSING #200 SIEVE (6.7)

0.19

HOLE ADVANCED BY 4" HAND AUGER

D SIZE (MM)

M

EL. 528.0

PLAN

NORTH

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- FLOW ARROW

- NORTH ARROW

- ANCHORED LOG

- LOCKED LOG

- SHRUB

- TREE

- EXISTING TREE

- BENCHMARK

- BORING LOCATION

- WATER INLET

- EXISTING MONITORING

- RIVERMILE

- FLAT POOL WATER LEVEL

- SLOPE

- BASELINE

- CENTERLINE

- SEED

- CLEAR AND GRUB

- CLEAR

- BORROW

- RIPRAP

- LAND/WATER BOUNDARY (APPROX.)

- WORK LIMITS

- CENTERLINE

- EXISTING GROUND

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V -1 x x x .d

1000'0 2000'SCALE : 1"=1000'-0"

ILLINOIS

ISLAND

SNIPE

ETUHC SEPAM

ISLAND

WILLOW BAR

RM 425

RM 424

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IOWA

30TH AVE

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UHC NORUH

ISLAND

GARNER

ISLAND

HURON

POOL 3

OLAFFUB R

EP

PU

D

N

OP NIWT

ETUHC YDOC GIB

ISLAND

KINGSTON BAR

MISSISSIPPI RIVER

FLOW

H

GUOLS GNIRPS

ET

UHC LLEB

P M

A C

HGUOLS LLEBPMAC

RM 421

RM 422

ISLAND

CHARLIE

E T

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C

EI

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A

HC JOHNSON ISLAND

DN

OP

E

LDDI

M

RM 423

POOL 2

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E R S

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H

DNE D

AED

POOL 1

GOOSE LAKE

REKCEPDO

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DNALSI NIP

LAKE RD

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ISLAND

CAMP

PT-316, SET 12" SPIKE

BM

PT-317, SET 12" SPIKE

BM

PT-318, SET 12" SPIKE

BM

PT-319, SET 12" SPIKE

BM

PT-2308, PI ON LEVEE

BM

PT-2, DesMoines Co. GPS 275

BM

CORNER CONC SLAB)

PT-322, BM @ BOAT RAMP

BM

PT-1, DesMoines Co. GPS 276

PT-3, DesMoines Co. GPS 310

APPROX 1350'

PT-5, DesMoines Co. GPS 309

BM

PT-4, DesMoines Co. GPS 277

BM

APPROX 3915'

PT-2003, 2PC 1978 ON BRIDGE

BM

A1

SURVEY CONTROL PLAN

DWG REF(s) :

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322 1586488.90 2076166.31 531.39 532.20 BM @ BOAT RAMP

319 1590796.57 2075640.33 530.43 531.24 SET 12" SPIKE

318 1591132.26 2075578.80 529.91 530.72 SET 12" SPIKE

317 1591264.55 2075370.27 533.89 534.70 SET 12" SPIKE

316 1591489.78 2075032.51 530.55 531.36 SET 12" SPIKE

NAME NORTHING EASTING NAVD88 ELEVATION DESCRIPTION

POINT MSL 1912

FC14_3 32C 1590157.26 2074663.19 545.16 545.97 REBAR W/ USACE CAP

FC14_3 32B 1592233.48 2074136.77 545.01 545.82 REBAR W/ USACE CAP

FC14_3 32A 1593195.32 2073585.31 545.23 546.04 REBAR W/ USACE CAP

FC14_3 31B 1601162.71 2075449.81 546.46 547.27 REBAR W/ USACE CAP

FC14_3 31A 1602081.98 2075909.15 550.41 551.22 REBAR W/ USACE CAP

2308 1590348.87 2074615.98 541.96 542.77 PI on Levee

2003 1587527.24 2064915.99 548.31 549.12 BM 2PC 1978 on Bridge

5 1605855.48 2067712.32 534.72 535.53 DesMoines Co. GPS 309

4 1603789.87 2073145.92 529.61 530.42 DesMoines Co. GPS 277

3 1595831.81 2070459.26 532.25 533.06 DesMoines Co. GPS 310

2 1587457.25 2074074.77 525.96 526.77 DesMoines Co. GPS 275

1 1595717.40 2072895.34 529.20 530.01 DesMoines Co. GPS 276

NAME NORTHING EASTING NAVD88 ELEVATION DESCRIPTION

POINT MSL 1912

PT- FC14_3 31A, REBAR W/ USACE CAP

BM

PT- FC14_3 31B, REBAR W/ USACE CAP

BM

974+59.58

CONC MONUMENT

PT-FC14_3 32C REBAR W/ USACE CAP

BM

PT-FC14_3 32B REBAR W/ USACE CAP

BM

PT-FC14_3 32A REBAR W/ USACE CAP

BM

M L S

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K -1

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GENERAL NOTES

CONSTRUCTION.

4. PT-318 and PT-319 MAY NOT BE INTACT FOLLOWING STAGE I

TO NAVD88, SUBTRACT 0.81 FROM MSL1912 TO OBTAIN NAVD88.

3. AVERAGE CORRECTION FACTOR TO CONVERT 1912 DATUM

14 SEPTEMBER 2011, AND 29TH JULY 2014.

2. FIELD CONTROL SURVEYS CONDUCTED ON 28 APRIL 2010,

UNITS: US SURVEY FEET.

VERTICAL DATUM: MSL 1912 GEOID 09 US, COORDINATE

ILLINOIS WEST 1202 PROJECT DATUM: NAD 1983 (CONUS),

1. COORDINATE SYSTEM: US STATE PLANE 1983, ZONE:

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BORING LOCATION PLAN

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GOOSE LAKE

POOL 2

GOOSE LAKE

GOOSE LAKE

GUN SLOUGH

HURON

CHUTE

FL

OW

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HI-11-01

HI-11-02

HI-11-03

HI-11-04

HI-11-05

HI-11-09

HI-12-18

HI-12-24

HI-12-13

HI-12-14

HI-12-15

HI-12-16

HI-12-17

HI-12-19

HI-12-20

HI-12-21

HI-12-22

HI-12-23

HI-15-36

HI-15-27

HI-15-28

HI-15-29

HI-15-30

HI-15-31

HI-15-32

HI-15-33

HI-15-34

HI-15-35

HA

HI-11-04

WATER

ELEV= 531.5'HA

HI-11-03

WATER

PT

ELEV= 531.5'HA

HI-11-02

WATER

SP GR MEDIUM TO FINE SAND

PT

ELEV= 531.5'HA

HI-11-01

WATER

SC GR CLAYEY SAND

PT

ELEV= 531.5'

CH GR FAT CLAY, (FIRM)

HA

HI-11-05

WATER

SP GR MEDIUM TO FINE SAND

PT

ELEV= 531.5'

(17.8)

(97.7) (99.1)

(98.2)

82/29

(58.2)68/25

(96.3)

61/25

(67.1)

(23.5)

E = 2076824

N = 1589466

FEB 16, 2011

E = 2075911

N = 1590166

FEB 16, 2011

E = 2077188

N = 1587070

FEB 16, 2011

E = 2077351

N = 1589728

FEB 16, 2011

E = 2076680

N = 1591878

FEB 17, 2011

(FLAT POOL 528) (FLAT POOL 528) (FLAT POOL 528)

1912 MSL

COORDINATES ARE STATE PLANE NAD 1983 ILLINOIS WEST, US SURVEY FEET

CH GR FAT CLAY, (FIRM)

FINE SAND

SP DK GR MEDIUM TO

CH GR SANDY FAT CLAY

CH GR FAT CLAY, (SOFT)

SP GR MEDIUM TO FINE SAND

F E

E T

F E

E T

F E

E T

69/34

(0.2)0.23

MH GR ELASTIC SILT, (SOFT)

(2.0)0.16

MH GR ELASTIC SILT, (SOFT)

63/32

63/32

(0.4)0.30

MH GR ELASTIC SILT, (SOFT)

MH GR ELASTIC SILT

69/34

68/34

44/22

24/17

ORGANICS, (SOFT)

CL GR SANDY LEAN CLAY TRACE

SC-SM GR SILTY CLAYEY SAND

HA

HI-12-13

ELEV= 532.8'

28(40.9)

(15.4)

E = 207613

N = 1591606

FEB 9, 2012

CH BR FAT CLAY

SC GR CLAYEY SAND

CL DK GR SANDY LEAN CLAY

57/25

WL

(FLAT POOL 528)

(0.6)0.21

HA

HI-12-19

ELEV= 529.9'

E = 2076438

N = 1589300

MARCH 6, 2012

WL

(2.1)

45/16

58/22

SP GR MEDIUM TO FINE SAND

CL GR SANDY LEAN CLAY

CL BR SANDY LEAN CLAY

CH GR FAT CLAY

HA

HI-12-17

ELEV= 530.1'

E = 2075691

N = 1590133

MARCH 6, 2012

WL

CL BR SANDY LEAN CLAY

CH GR FAT CLAY

CL-CH GR MEDIUM CLAY

CL GR SANDY LEAN CLAY

SP GR MEDIUM TO FINE SAND(0.6)

(56.2)

50/22

HA

HI-12-16

ELEV= 532.5'

E = 2075876

N = 1591218

FEB 9, 2012

WL

57/25

(54.2)

CL BR LEAN CLAY

CH GR FAT CLAY

CL GR SANDY LEAN CLAY

HA

HI-12-15

ELEV= 532.7'

E = 2076228

N = 1590954

FEB 9, 2012

WL

CL BR LEAN CLAY

CL-CH GR BR MEDIUM CLAY

CL DK GR LEAN CLAY

35/20

(95.2)

HA

HI-12-20

ELEV= 530.4'

E = 2076768

N = 1588119

MARCH 6, 2012

WL

5057/20

CL BR SANDY LEAN CLAY

CH GR FAT CLAY

SP GR MEDIUM TO FINE SAND

HA

HI-12-18

ELEV= 530.4'

E = 2075774

N = 1589610

MARCH 6, 2012

WL

4661/23

52/23

CL BR SANDY LEAN CLAY

CH GR FAT CLAY

CL-CH GR MEDIUM CLAY

SP GR MEDIUM TO FINE SAND

(NO SAMPLE)

SP SAND @ BOTTOM OF HOLE

PT

PT

PT

PT

F E

E T

HA

HI-12-14

ELEV= 532.3'

E = 2076388

N = 1591347

FEB 9, 2012

WL

37(93.2)

63/23

CL BR LEAN CLAY

CH DK GR FAT CLAY

CL-CH GR BR MEDIUM CLAY

SC GR CLAYEY SAND

SP BR MEDIUM TO FINE SAND

17PT

49/18

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F E

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1912 MSL

COORDINATES ARE STATE PLANE NAD 1983 ILLINOIS WEST, US SURVEY FEET

HA

HI-12-23

ELEV= 531.6'

E = 2075380

N = 1590719

MARCH 6, 2012

WL 55

(2.7)

(2.5)

(93.6) CL-CH GR MEDIUM CLAY

SP GR MEDIUM TO FINE SAND

HA

HI-12-24

ELEV= 529.0'

E = 2074948

N = 1591798

MARCH 6, 2012

WATER

SP BR MEDIUM TO FINE SAND

HA

HI-12-22

ELEV= 531.4'

E = 2075435

N = 1590299

MARCH 6, 2012

WL

(91.4)

(8.6)

18(14.1)

(83.3)

42/18

SC BR CLAYEY SAND

CL GR SANDY LEAN CLAY

CL BR SANDY LEAN CLAY

HA

HI-12-21

ELEV= 530.9'

E = 2075664

N = 1589107

MARCH 6, 2012

WL 37

(58.6) 35

(55.2)

CL GR SANDY LEAN CLAY

SC BR CLAYEY SAND

WITH OCCASSIONAL CLAY SEAMS

SP GR MEDIUM TO FINE SAND

MEDIUM TO FINE SAND

SP-SC GR CLAYEY

PT

PT

PT

F E

E T

F E

E T

HA

HI-15-33

WL

HA

HI-15-31

ELEV= 530.0'

46 CL-CH GR MEDIUM CLAY53/22

HA

HI-15-30

HA

HI-15-36

(8.9)

(20.8)

HA

HI-15-35

34HA

HI-15-34

WL

5082/28

CL BR SANDY LEAN CLAY

HA

HI-15-32

23(21.1)

PT

WATER

CL-CH BR LEAN TO FAT CLAY

SC BR CLAYEY SAND

SP BR POORLY GRADED SAND

CL BR LEAN CLAY

CH DK GR FAT CLAY

FILL SC DK GR CLAYEY SAND

CL DK GR SANDY CLAY SP GR POORLY GRADED SAND

FILL SC GR CLAYEY SAND

FILL SC BR CLAYEY SAND

FILL CL BR SANDY LEAN CLAY

ELEV= 539.1'

ELEV= 532.6'

ELEV= 531.5'

ELEV= 532.4'

ELEV= 536.5' ELEV= 536.5'

E = 2075655

N = 1590375

SEPTEMBER 22, 2015

E = 2075846

N = 1590598

SEPTEMBER 22, 2015

E = 2076143

N = 1590486

SEPTEMBER 22, 2015

E = 2076206

N = 1590789

SEPTEMBER 22, 2015 E = 2076438

N = 1590520

SEPTEMBER 22, 2015

E = 2076896

N = 1589854

SEPTEMBER 22, 2015

E = 2076939

N = 1588924

SEPTEMBER 22, 2015

540 540

GRADED SAND

SP GR POORLY

WITH ORGANICS

FILL CL BR SANDY LEAN CLAY

FILL CL-CH GR LEAN TO FAT CLAY

SAND SEAMS AND ROOTS

FILL CL BR LEAN CLAY WITH

CL-CH GR LEAN TO FAT CLAY

540540

HA

HI-15-29

HA

HI-15-28

28(42.5)35/16

HA

HI-15-27

(FLAT POOL 528)

SC DK GR CLAYEY SAND

FILL CL DK GR LEAN CLAY

FILL SP BR MED SAND

ELEV= 537.0'

ELEV= 536.2' ELEV= 536.5'

E = 2076835

N = 1587686

SEPTEMBER 22, 2015

E = 2076470

N = 1588522

SEPTEMBER 22, 2015

E = 2075999

N = 1589242

SEPTEMBER 22, 2015

WITH SAND SEAMS

FILL CL BR LEAN CLAY

MEDIUM CLAY

FILL CL-CH GR BR

AND WOOD DEBRIS

WITH SAND SEAMS

FILL SC GR CLAYEY SAND

WITH WOOD DEBRIS

FILL CL-CH BR LEAN TO FAT CLAY

ID

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P L

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POOL 1

GOOSE LAKE

POOL 2

GOOSE LAKE

GUN SLOUGH

FL

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(OPTION B)

CONSTRUCT DEFLECTION BERM

(OPTIO

N A

(OPTION A)

CONSTRUCT BANK STABILIZATION

GOOSE LAKE

A1

C-303

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GENERAL NOTES

3. CLEARING AND GRUBBING LIMITS SHOWN ON SHEET L-101.

VERIFYING ALL ACCESS REQUIREMENTS.

TO HURON CHUTE. THE CONTRACTOR IS RESPONSIBLE FOR

ACCESS WILL LIKELY BE FROM THE DOWNSTREAM ENTRANCE

END OF HURON ISLAND AND THE IOWA BANKLINE. ANY RIVER

STRUCTURE CROSSES HURON CHUTE NEAR THE UPSTREAM

HURON CHUTE AS REFERENCED IN 00 73 05. A CLOSURE

SHOWN (SCREENED). REFER TO SURVEY INFORMATION OF

AND 2015 IN THE STAGE I CONTRACT IN THE LOCATIONS

2. GOOSE LAKE POOL 1 AND POOL 2 WERE EXCAVATED IN 2014

TO THREATENED AND ENDANGERED SPECIES RESTRICTIONS.

L-101 AND NOT IN ALL AREAS SHOWN AS WORK LIMITS DUE

SPECIFIED. CLEARING IS ONLY PERMITTED AS SHOWN ON

GENERALLY ALONG THE BANKLINE UNLESS OTHERWISE

WORK LIMITS SHALL FOLLOW THE AREAS SHOWN, 1.

(BASE BID)

BORROW AREA

(SEE SHEET C-102)

STAGING AREA

(BASE BID)

PLACE ANCHORED LOGS

S T

A G

E I I

WORK LIMITS

A1

C-302

A1

C-301

WORK LIMITS COORDINATES

POINT NORTHING EASTING

1588836.69

1586215.24

1590890.35

1591327.42

2075849.49

2076939.47

2076611.89

2075346.32

C1

C-303

(BASE BID)

TREES, SHRUBS, TUBERS/RHIZOMES

UNDERSTORY AREA, PLANT BUFFER AREA,

SHAPE POOL 1 EXISTING BERM, SEED

(BASE BID)

AREA, TREES, SHRUBS, TUBERS/RHIZOMES

SEED UNDERSTORY AREA, PLANT BUFFER

CONSTRUCT NEW BERM, SHAPE MATERIAL,

PLACE L

OCKED L

OGS

TUBERS/RHIZOMES (BASE BID)

AREA, PLANT BUFFER AREA, TREES, SHRUBS,

SHAPE POOL 2 EXISTING BERM, SEED UNDERSTORY

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T

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STAGING AREA PLAN

HURON ISLAND

HURON C

HUTE

A

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ACCESS

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N

2075984.49

2075984.49

2076213.06

2076167.58

EASTING

1586513.21

1586331.38

1586331.38

1586514.38

NORTHING

D

C

B

A

POINT

GENERAL SHEET NOTES

FL

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P L

A N

N O

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A D

H

HAWKEYE DOLBEE BOAT RAMP (APPROX.)

STAGING AREA COORDINATES

STAGING AREA

STAGE I

STAGING AREA

STAGE II

H L

A

W E

K -1

-B -0

LEADING TO THE BOAT RAMP.

8. ALL POSTED WEIGHT LIMITS MUST BE OBEYED ON ROADS

SPECIFICATIONS.

COUNTY AND THE LEVEE DISTRICT ARE PROVIDED IN THE

THESE AREAS AS SOON AS POSSIBLE. CONTACTS FOR THE

IF ANY DAMAGE OCCURS THE CONTRACTOR MUST REPAIR

CABIN, ELECTRICAL UTILITIES, OR ROADS WILL BE ALLOWED.

7. NO DAMAGE TO THE ADJACENT LEVEE, LEVEE CROSSING,

OFFICER.

CONSERVATION BOARD AND APPROVAL BY THE CONTRACTING

WRITTEN APPROVAL BY THE DES MOINES COUNTY

APPLY A GRANULAR SURFACE, AS NEEDED, AFTER RECEIVING

6. THE CONTRACTOR MAY CLEAR AND GRADE THIS LOCATION AND

FEATURES.

CONTRACTOR IS RESPONSIBLE FOR REPAIRING ANY DAMAGED

COMPLETION OF CONSTRUCTION ACTIVITIES, THE

MAINTAINED THROUGHOUT CONSTRUCTION. AT THE

5. THE ACCESS ROAD, BOAT RAMP, AND PARKING AREA MUST BE

THE CONTRACTOR CAN BE DEVELOPED IN THE AREA SHOWN.

TO THE PUBLIC. ANY ADDITIONAL STAGING AREA REQUIRED BY

RECREATIONAL BOATERS AND TRAILERS MUST REMAIN OPEN

4. ACCESS TO THE BOAT RAMP TO INCLUDE PARKING AREAS FOR

BELOW 12.8 FEET.

WHEN THE MISSISSIPPI RIVER STAGE AT KEITHSBURG IS

3. THE HAWKEYE DOLBEE RIVER RAMP IS ONLY ACCESSIBLE

CHOSEN BY THE CONTRACTOR.

OPERATES THE HAWKEYE DOLBEE BOAT RAMP IF THE SITE IS

THE DES MOINES COUNTY CONSERVATION BOARD WHO

2. PARKING AND STAGING MUST ALSO BE COORDINATED WITH

STAGE II CONTRACT.

STILL BE USING PORTIONS OF THIS AREA DURING THE

CONTRACTING OFFICER. THE STAGE I CONTRACTOR MAY

PARKING AND STAGING IS TO BE COORDINATED WITH 1.

/0

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