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Livingston Parish Gravity Drainage District No. 2

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MAINTENANCE CORRIDOR AND BEAVER BRANCH DITCH CLEANOUT IN LIVINGSTON PARISH

NAME OF APPLICANT: Livingston Parish Gravity Drainage District No. 2, c/o D&S Environmental Services, Post Office Box 510, French Settlement, Louisiana, 70733. LOCATION OF WORK: Within the Lake Pontchartrain Basin, in the Amite River hydrologic unit (HUC 08070202); within the limits of and adjacent to Beaver Branch, beginning south of LA Highway 1019 (Springfield Road) and traversing southerly, terminating at the intersection of Beaver Branch and LA Highway 1024 (Cane Market Road), in Walker, Louisiana, in Livingston Parish. CHARACTER OF WORK: The applicant proposes to clear impeding vegetation along a 15-foot corridor adjacent to Beaver Branch. The upper 6 inches will be excavated and crushed concrete placed at natural grade in wetlands to create a permanent access route. Additionally, approximately 6,783 linear feet of Beaver Branch will be cleared of any obstructions, de-silted, and re-shaped to the original shape. Connecting lateral ditches that intersect Beaver Branch will also be de-silted, re-shaped, and lined with crushed concrete to prevent future erosion. Excavated material will be distributed in non-wetlands on site with any excess material being placed in Livingston Parish Gravity Drainage District No. 2 maintenance yard. Approximately 0.14 acre of forested jurisdictional wetlands will be impacted by the maintenance corridor, while approximately 2.856 acres of jurisdictional waters will be impacted by ditch cleanout and re-shaping. The applicant has minimized the impacts as much as practicable. Additionally, appropriate erosion control methods, including silt fencing, hay bales, seeding, etc., will be utilized during and after the construction to prevent impacts to adjacent property. Crushed concrete will also be placed in lateral ditches will help to contain the sediment load and prevent excessive runoff. As compensation for unavoidable wetland impacts the applicant proposes to purchase wetland credits from a Corps approved mitigation bank located in the watershed.

JOINT PUBLIC NOTICE May 14, 2018 United States Army Corps of Engineers New Orleans District Regulatory Branch 7400 Leake Avenue New Orleans, Louisiana 70118-3651

State of Louisiana Department of Environmental Quality Water Permits Division Post Office Box 4313 Baton Rouge, Louisiana 70821-4313

(504) 862-2675 Project Manager Jamie Crowe Jamie.M.Crowe@usace.army.mil Permit Application Number MVN 2015-00458 CO

(225) 219-3225 Project Manager Elizabeth Hill WQC Application Number WQC 180509-02

Interested parties are hereby notified that a permit application has been received by the New Orleans District of the U.S. Army Corps of Engineers pursuant to: [ ] Section 10 of the Rivers and Harbors Act of March 3, 1899 (30 Stat. 1151; 33 USC 403); and/or [X] Section 404 of the Clean Water Act (86 Stat. 816; 33 USC 1344). Application has also been made to the Louisiana Department of Environmental Quality, Office of Environmental Services, for a Water Quality Certification (WQC) in accordance with statutory authority contained in LRS30:2047 A(3), and provisions of Section 401 of the Clean Water Act (P.L.95-17). MAINTENANCE CORRIDOR AND BEAVER BRANCH DITCH CLEANOUT IN LIVINGSTON PARISH NAME OF APPLICANT: Livingston Parish Gravity Drainage District No. 2, c/o D&S Environmental Services, Post Office Box 510, French Settlement, Louisiana, 70733. LOCATION OF WORK: Within the Lake Pontchartrain Basin, in the Amite River hydrologic unit (HUC 08070202); within the limits of and adjacent to Beaver Branch, beginning south of LA Highway 1019 (Springfield Road) and traversing southerly, terminating at the intersection of Beaver Branch and LA Highway 1024 (Cane Market Road), in Walker, Louisiana, in Livingston Parish. CHARACTER OF WORK: The applicant proposes to clear impeding vegetation along a 15-foot corridor adjacent to Beaver Branch. The upper 6 inches will be excavated and crushed concrete placed at natural grade in wetlands to create a permanent access route. Additionally, approximately 6,783 linear feet of Beaver Branch will be cleared of any obstructions, de-silted, and re-shaped to the original shape. Connecting lateral ditches that intersect Beaver Branch will also be de-silted, re-shaped, and lined with crushed concrete to prevent future erosion. Excavated material will be distributed in

non-wetlands on site with any excess material being placed in Livingston Parish Gravity Drainage District No. 2 maintenance yard. Approximately 0.14 acre of forested jurisdictional wetlands will be impacted by the maintenance corridor, while approximately 2.856 acres of jurisdictional waters will be impacted by ditch cleanout and re-shaping. The applicant has minimized the impacts as much as practicable. Additionally, appropriate erosion control methods, including silt fencing, hay bales, seeding, etc., will be utilized during and after the construction to prevent impacts to adjacent property. Crushed concrete will also be placed in lateral ditches will help to contain the sediment load and prevent excessive runoff. As compensation for unavoidable wetland impacts the applicant proposes to purchase wetland credits from a Corps approved mitigation bank located in the watershed. The comment period for the Department of the Army Permit and the Louisiana Department of Environmental Quality WQC will close 20 days from the date of this joint public notice. Written comments, including suggestions for modifications or objections to the proposed work, stating reasons thereof, are being solicited from anyone having interest in this permit and/or this WQC request and must be mailed, so as to be received before or by the last day of the comment period. Letters concerning the Corps of Engineers permit application must reference the applicant's name and the Permit Application Number, and be mailed to the Corps of Engineers at the address above, ATTENTION: REGULATORY BRANCH. The application for this proposed project is on file with the Louisiana Department of Environmental Quality and may be examined weekdays between 8:00 a.m. and 4:30 p.m. Copies may be obtained upon payment of costs of reproduction. Individuals or parties may request an extension of time in which to comment on the proposed work by writing or e-mailing the Corps of Engineers Project Manager listed above. Any request must be specific and substantively supportive of the requested extension, and received by this office prior to the end of the initial comment period. The Section Chief will review the request and the requestor will be promptly notified of the decision to grant or deny the request. If granted, the time extension will be continuous to the initial comment period and, inclusive of the initial comment period, will not exceed a total of 30 calendar days. Letters concerning the Water Quality Certification must reference the applicant's name and the WQC Application number and be mailed to the Louisiana Department of Environmental Quality at the address above. Corps of Engineers Permit Criteria The decision whether to issue a permit will be based on an evaluation of the probable impacts, including cumulative impacts of the proposed activity on the public interest. That decision will reflect the national concern for both protection and utilization of important resources. The benefit which reasonably may be expected to accrue from the proposal must be balanced against its reasonably foreseeable detriments. All factors which may be relevant to the proposal will be considered including the cumulative effects thereof; among those are conservation, economics, aesthetics,

general environmental concerns, wetlands, historic properties, fish and wildlife values, flood hazards, floodplain values, land use, navigation, shoreline erosion and accretion, recreation, water supply and conservation, water quality, energy needs, safety, food and fiber production, mineral needs, considerations of property ownership and, in general, the needs and welfare of the people. The U.S. Army Corps of Engineers is soliciting comments from the public, federal, state, and local agencies and officials, Indian Tribes, and other interested parties in order to consider and evaluate the impacts of this proposed activity. Any comments received will be considered by the U.S. Army Corps of Engineers to determine whether to make, modify, condition, or deny a permit for this proposal. To make this decision, comments are used to assess impacts on endangered species, historic properties, water quality, general environmental effects, and other public interest factors listed above. Comments are used in the preparation of an Environmental Assessment and/or an Environmental Impact Statement pursuant to the National Environmental Policy Act. Comments are also used to determine the need for a public hearing and to determine the overall public interest of the proposed activity. The New Orleans District is unaware of properties listed on the National Register of Historic Places near the proposed work. The possibility exists that the proposed work may damage or destroy presently unknown archeological, scientific, prehistorical, historical sites, or data. Copies of this notice are being sent to the State Archeologist and State Historic Preservation Officer. Our initial finding is that the proposed work would not affect any species, nor affect any habitat designated as critical to the survival and recovery of such species, listed as endangered by the U.S. Department of Commerce. The New Orleans District has determined that the proposed project is located in waters known to be utilized by the west Indian manatee (Trichechus manatus) and determined that the proposed activity is not likely to adversely affect the species. This determination is based on the Standard Local Operating Procedure for Endangered Species of Louisiana (SLOPES), dated October 22, 2014, between the U.S. Army Corps of Engineers and U.S. Fish and Wildlife Service, Ecological Services Office. This notice initiates the Essential Fish Habitat (EFH) consultation requirements of the Magnuson-Stevens Fishery Conservation and Management Act. The applicant's proposal would result in the destruction or alteration of n/a acres of EFH utilized by various life stages of red drum and penaeid shrimp. Our initial determination is that the proposed action would not have a substantial adverse impact on EFH or federally managed fisheries in the Gulf of Mexico. Our final determination relative to project impacts and the need for mitigation measures is subject to review by and coordination with the National Marine Fisheries Service. If the proposed work involves deposits of dredged or fill material into navigable waters, the evaluation of the probable impacts will include the application of guidelines established by the Administrator of the Environmental Protection Agency. Also, a

certification that the proposed activity will not violate applicable water quality standards will be required from the Department of Environmental Quality, Office of Environmental Services, before a permit is issued. Any person may request, in writing, within the comment period specified in this notice, that a public hearing be held to consider this application. Requests for public hearings shall state, with particularity, the reasons for holding a public hearing. You are requested to communicate the information contained in this notice to any other parties whom you deem likely to have interest in the matter. You are requested to communicate the information contained in this notice to any other parties whom you deem likely to have interest in the matter.

John M. Herman Chief, Central Evaluation Section Regulatory Branch Enclosure

L EI A H NN WY IN GE 102 3 R RO AD

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SIMS ROAD

*

ELL

CR E

PERKIN S ROAD

COLY

19 Y 10 W H LA .) RD LD E I GF RIN (SP

BEGINNING OF PROJECT

T

D )

D

A A

22

O A

LI

EXCESS MATERIAL STORAGE AREA (LPGDD #2 MAINTENANCE YARD)

R

10

O A

R

R

C

V

Y

W

W

WES

H

O

R E

G

A Y

IS H PA R ST O

N

LA (F

IN

(R

EK

NAN WESLEY RD.

LA HWY 447

LA HW Y1 6

EA ST

B A TO N

R IV

R O

A

ER

M

U G E

IT E

PA

R IS H

LA HWY 63

SITE LOCATION

4 102 WY H D) LA ET R K R MA ANE

(C

END OF PROJECT

5,000'

0

5,000'

Scale: 1'' = 5,000'

Notes Property is located in Sections 26 and 35 T-5-S, R-3-E

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Vicinity Map Livingston Parish, Louisiana

Reference Base map comprised of U.S.G.S. 7.5 minute topographic maps "Watson, LA", "Satsuma, LA", "Pride, LA" and "Pine Grove, LA".

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07-23-2017

1

WHISPERING ~~~~~ SPRINGS ~~~~~ SUBDIVISION

SECTION 26 SECTION 35

600'

0

600'

Horizontal Scale: 1'' = 600' EXISTING FOWLER DRIVE

Legend Property Boundary (6.00 Acres)

UNIMPROVED ACCESS ROAD (FROM FOWLER DR.)

Non-Wetlands (2.96 Acres)

ACCESS POINT

Total Jurisdictional Wetlands (0.17 Acres)

EXISTING CULVERT

Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres)

LATERAL DITCH

Jurisdictional Wetlands Not To Be Impacted (0.03 Acres)

LATERAL DITCH EXISTING CULVERT

Total Other Waters Of The US (2.870 Acres) Other Waters Of The US To Be Excavated (2.856 Acres) Other Waters Of The US To Be Excavated/ Filled (0.004 Acres)

Notes

Other Waters Of The US Not To Be Impacted (0.010 Acres)

1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

Total Proposed Fill Approximately 121.00 Cubic Yards of Crushed Concrete.

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Overall Proposed Plan View LATERAL DITCH Livingston Parish, Louisiana EXISTING CULVERT LA HWY 1024 (CANE MARKET ROAD) EXISTING CULVERT

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2

Total Proposed Fill

SECTION 26 28'

SECTION 35

Approximately 121.00 Cubic Yards of Crushed Concrete.

Legend Property Boundary (6.00 Acres) Non-Wetlands (2.96 Acres) Total Jurisdictional Wetlands (0.17 Acres) Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres) 15' MAINTENANCE CORRIDOR

Jurisdictional Wetlands Not To Be Impacted (0.03 Acres) Total Other Waters Of The US (2.870 Acres) Other Waters Of The US To Be Excavated (2.856 Acres) Other Waters Of The US To Be Excavated/ Filled (0.004 Acres)

EXTENT OF PROJECT ACTIVITY

Other Waters Of The US Not To Be Impacted (0.010 Acres)

BEAVER BRANCH

5,763'

5,857'

WHISPERING ~~~~~ SPRINGS ~~~~~ SUBDIVISION

Notes

ACCESS POINT

UNIMPROVED ACCESS ROAD (FROM FOWLER DR.)

1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project 100'

0 Horizontal Scale: 1'' = 100'

100'

Proposed Plan View Livingston Parish, Louisiana

MATCH LINE - SEE FIGURE 4 28-2017-DOA

07-23-2017

3

MATCH LINE - SEE FIGURE 3

Legend Property Boundary (6.00 Acres) Non-Wetlands (2.96 Acres) Total Jurisdictional Wetlands (0.17 Acres) Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres)

15' MAINTENANCE CORRIDOR

Jurisdictional Wetlands Not To Be Impacted (0.03 Acres) Total Other Waters Of The US (2.870 Acres) Other Waters Of The US To Be Excavated (2.856 Acres)

EXTENT OF PROJECT ACTIVITY

Other Waters Of The US To Be Excavated/ Filled (0.004 Acres)

MATCH LINE - SEE FIGURE 5

Other Waters Of The US Not To Be Impacted (0.010 Acres) LATERAL DITCH

EXISTING CULVERT

EXISTING CULVERT

5,857'

5,763'

BEAVER BRANCH

Total Proposed Fill Approximately 121.00 Cubic Yards of Crushed Concrete.

Notes 1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

100'

0

100'

Horizontal Scale: 1'' = 100'

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Proposed Plan View Livingston Parish, Louisiana

28-2017-DOA

07-23-2017

4

B 5,763'

A'

C' BEAVER BRANCH

MATCH LINE - SEE FIGURE 4

B'

A

C

LATERAL DITCH

OTHER WATERS OF THE US TO BE EXCAVATED / FILLED 5,857'

Notes

Legend Property Boundary (6.00 Acres)

1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

Non-Wetlands (2.96 Acres) Total Jurisdictional Wetlands (0.17 Acres) Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres)

15' MAINTENANCE CORRIDOR

Jurisdictional Wetlands Not To Be Impacted (0.03 Acres) Total Other Waters Of The US (2.870 Acres) Other Waters Of The US To Be Excavated (2.856 Acres) Other Waters Of The US To Be Excavated/ Filled (0.004 Acres)

EXTENT OF PROJECT ACTIVITY

Other Waters Of The US Not To Be Impacted (0.010 Acres)

Total Proposed Fill

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project

Approximately 121.00 Cubic Yards of Crushed Concrete.

Proposed Plan View Livingston Parish, Louisiana 100' MATCH LINE - SEE FIGURE 6

0

100'

Horizontal Scale: 1'' = 100' 28-2017-DOA

07-23-2017

5

MATCH LINE - SEE FIGURE 5 100'

0

100'

Horizontal Scale: 1'' = 100'

Legend Property Boundary (6.00 Acres) Non-Wetlands (2.96 Acres) Total Jurisdictional Wetlands (0.17 Acres) Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres) Jurisdictional Wetlands Not To Be Impacted (0.03 Acres) Total Other Waters Of The US (2.870 Acres) Other Waters Of The US To Be Excavated (2.856 Acres) Other Waters Of The US To Be Excavated/ Filled (0.004 Acres) 5,763'

5,857'

15' MAINTENANCE CORRIDOR

Other Waters Of The US Not To Be Impacted (0.010 Acres)

Notes EXTENT OF PROJECT ACTIVITY

1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

BEAVER BRANCH

Total Proposed Fill Approximately 121.00 Cubic Yards of Crushed Concrete.

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Proposed Plan View Livingston Parish, Louisiana MATCH LINE - SEE FIGURE 7

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6

MATCH LINE - SEE FIGURE 6 100'

0

100'

Horizontal Scale: 1'' = 100'

Legend Property Boundary (6.00 Acres) Non-Wetlands (2.96 Acres) Total Jurisdictional Wetlands (0.17 Acres) Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres) 15' MAINTENANCE CORRIDOR

Jurisdictional Wetlands Not To Be Impacted (0.03 Acres) Total Other Waters Of The US (2.870 Acres) Other Waters Of The US To Be Excavated (2.856 Acres)

EXTENT OF PROJECT ACTIVITY

Other Waters Of The US Not To Be Impacted (0.010 Acres)

5,763'

5,857'

Other Waters Of The US To Be Excavated/ Filled (0.004 Acres)

Notes

BEAVER BRANCH

1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

Total Proposed Fill Approximately 121.00 Cubic Yards of Crushed Concrete.

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Proposed Plan View Livingston Parish, Louisiana

MATCH LINE - SEE FIGURE 8 28-2017-DOA

07-23-2017

7

100'

MATCH LINE - SEE FIGURE 7

Total Proposed Fill

0

100'

Horizontal Scale: 1'' = 100'

Approximately 121.00 Cubic Yards of Crushed Concrete.

Legend Property Boundary (6.00 Acres) 15' MAINTENANCE CORRIDOR

Non-Wetlands (2.96 Acres) Total Jurisdictional Wetlands (0.17 Acres) Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres) Jurisdictional Wetlands Not To Be Impacted (0.03 Acres) Total Other Waters Of The US (2.870 Acres)

EXTENT OF PROJECT ACTIVITY

Other Waters Of The US To Be Excavated (2.856 Acres) Other Waters Of The US To Be Excavated/ Filled (0.004 Acres) Other Waters Of The US Not To Be Impacted (0.010 Acres)

BEAVER BRANCH

5,763'

5,857'

Notes

LATERAL DITCH 20'

1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project

15' MAINTENANCE CORRIDOR

992'

955'

20'

EXTENT OF PROJECT ACTIVITY

Proposed Plan View Livingston Parish, Louisiana

MATCH LINE - SEE FIGURE 9 28-2017-DOA

07-23-2017

8

MATCH LINE - SEE FIGURE 8

100'

Total Proposed Fill Approximately 121.00 Cubic Yards of Crushed Concrete.

0

100'

Horizontal Scale: 1'' = 100'

Legend Property Boundary (6.00 Acres) Non-Wetlands (2.96 Acres) Total Jurisdictional Wetlands (0.17 Acres) Jurisdictional Wetlands To Be Excavated / Filled (0.14 Acres) Jurisdictional Wetlands Not To Be Impacted (0.03 Acres) Total Other Waters Of The US (2.870 Acres)

Other Waters Of The US To Be Excavated/ Filled (0.004 Acres)

992'

955'

Other Waters Of The US To Be Excavated (2.856 Acres)

Other Waters Of The US Not To Be Impacted (0.010 Acres)

Notes

15' MAINTENANCE CORRIDOR

EXTENT OF PROJECT ACTIVITY

1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Wetland impacts by habitat type: >Bottomland Hardwood =0.14 Acres

5.

Excavated material will be redistributed in non-wetlands on-site. Any excess excavated material will be transported off-site to the maintenance yard for Livingston Parish Gravity Drainage District #2 located off LA Hwy 1019 (Springfield Road)(see Vicinity Map).

6.

Wetland impacts shall consist of mechanized clearing of impeding vegetation, excavating (mucking out) the upper 6" and refilling with crushed concrete to a correlating elevation, which will ensure hydrological flow and connectivity to adjacent wetlands thereof.

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project EXISTING CULVERT LATERAL DITCH

EXISTING CULVERT (UNDER ROADWAY)

Proposed Plan View 37'

ACCESS POINT

LA HWY 1024 (CANE MARKET ROAD)

Livingston Parish, Louisiana

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9

JURISDICTIONAL DETERMINATION BOUNDARY (32')

A

A' AVOIDED AREA (5')

69

70 CHANNEL (12')

69

BEAVER BRANCH

68

15' MAINTENANCE CORRIDOR

68 67

67 OHWM

66 65 64 63 62 61

JURISDICTIONAL WETLANDS NATURAL GROUND (SEE NOTE 5) JURISDICTIONAL WETLANDS NOT TO BE IMPACTED

CRUSHED CONCRETE (EROSION PROTECTION)

JURISDICTIONAL WETLANDS TO BE EXCAVATED / FILLED

66

1'-9"

65

OLWM

EXISTING SILTED-IN DITCH DE-SILTED / RESHAPED TO ORIGINAL UNIMPEDED FORM

64 63 62 61

OTHER WATERS OF THE U.S. TO BE EXCAVATED

60

Elevation, N.G.V.D.

Elevation, N.G.V.D.

70

60 DE-SILTED / RESHAPED TO ORIGINAL UNIMPEDED FORM

Section A-A' Horizontal Scale: 1" = 5' Vertical Scale: 1" = 5' 5'

0

5'

Horizontal Scale: 1'' = 5'

Notes 1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Non-wetland ground elevations vary from 69 ' to 64' N.G.V.D. Elevation data was obtained from USGS Quad Maps.

4.

Natural ground elevations in existing Jurisdictional Wetlands are approximately 6" lower than non-wetland ground elevations.

Legend Crushed Concrete OHWM

Ordinary High Water Mark

OLWM

Ordinary Low Water Mark

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Section View A-A' Livingston Parish, Louisiana

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10

B

B'

70

70

69

69

67 66

68 LATERAL DITCH

BANK CUT TO 5:1 SLOPE FOR TRAVERSING ACCESS

65

BANK CUT TO 5:1 SLOPE FOR TRAVERSING ACCESS

67 66 65

OHWM

64

OLWM

64

2'-6"

63

63

62 61 60

CRUSHED CONCRETE (EROSION PROTECTION)

62

EXISTING SILTED-IN DITCH

61 60

59 58

Elevation, N.G.V.D.

Elevation, N.G.V.D.

68

59 OTHER WATERS OF THE U.S. TO BE EXCAVATED

58

57

57

56

56

55

55

Section B-B' Horizontal Scale: 1" = 5' Vertical Scale: 1" = 5' 5'

0

5'

Horizontal Scale: 1'' = 5'

Notes 1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Non-wetland ground elevations vary from 69 ' to 64' N.G.V.D. Elevation data was obtained from USGS Quad Maps.

4.

Natural ground elevations in existing Jurisdictional Wetlands are approximately 6" lower than non-wetland ground elevations.

Legend Crushed Concrete OHWM

Ordinary High Water Mark

OLWM

Ordinary Low Water Mark

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Section View B-B' Livingston Parish, Louisiana

28-2017-DOA

07-23-2017

11

C

C'

JURISDICTIONAL DETERMINATION BOUNDARY (32')

70

70

69

67

69 AVOIDED AREA (5')

68

CHANNEL (12')

15' MAINTENANCE CORRIDOR

67 BEAVER BRANCH

LATERAL DITCH

66

66

65

65

64

64

FLOW OHWM

63

63

1'-9"

62

62

OLWM

61 60 59

61 CRUSHED CONCRETE (EROSION PROTECTION)

DE-SILTED / RESHAPED DITCH

58

EXISTING SILTED-IN DITCH

60 59 58

57 56

Elevation, N.G.V.D.

Elevation, N.G.V.D.

68

OTHER WATERS OF THE U.S. TO BE EXCAVATED

OTHER WATERS OF THE U.S. TO BE EXCAVATED

DE-SILTED / RESHAPED TO ORIGINAL UNIMPEDED FORM

55

57 56

55

Section C-C' Horizontal Scale: 1" = 5' Vertical Scale: 1" = 5' 5'

0

5'

Horizontal Scale: 1'' = 5'

Notes 1.

The Proposed layout was provided by Livingston Parish Gravity Drainage District No. 2.

2.

Jurisdictional Wetlands & Other Waters Of The U.S. obtained from U.S. Army CORPS of Engineers Jurisdictional Determination Account Number MVN-2015-00458-SQ.

3.

Non-wetland ground elevations vary from 69 ' to 64' N.G.V.D. Elevation data was obtained from USGS Quad Maps.

4.

Natural ground elevations in existing Jurisdictional Wetlands are approximately 6" lower than non-wetland ground elevations.

Legend Crushed Concrete OHWM

Ordinary High Water Mark

OLWM

Ordinary Low Water Mark

Livingston Parish Gravity Drainage District No. 2 Beaver Branch Maintenance Project Section View C-C' Livingston Parish, Louisiana

28-2017-DOA

07-23-2017

12

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