HomeMy WebLinkAbout20160164 Ver 1_Application_20160219Carpenter,Kristi
From:
Mathis, Stonewall D
Sent: Friday, February 19, 2016 3:27 PM
To: Shaver, Brad E SAW (Brad.E.Shaver@usace.army.mil); Herndon, Mason; Carpenter,Kristi
Cc: Mathis, Stonewall D; Haste, Bradley L
Subject: Davis Rd Stabilization project permit application package
Attachments: Davis Rd Permit application package.pdf
Follow Up Flag:
Flag Status:
Hey Brad, Mason, and Kristi,
Follow up
Flagged
Please see the attached permit application package for Davis Rd Stabilization Project in Onslow County.
Please note that this time the permit drawing (the one which is drawn to scale) should be printed on 8.5 x 11 to be true
to scale.
Also, NCDWR has permission to debit the appropriate permit fee for processing this application.
Please let me know whether you need additional information.
Thank you,
Stonewall Davis Mathis
Division Environmental Officer
Division of Highways Division 3 Environmental Office
Department of Transportation
910 341 2036 office
910 620 9441 mobile
smathis@ncdot.gov
5501 Barbados Blvd
Castle Hayne, NC 28429-5647
� i +i �!M � �
Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.
Email correspondence to and from this sender is subject to the N.C. Public Records Law and may be disclosed to third parties.
Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre-Construction Notification (PCN) Form
A. A licant Information
1. Processing
1a. Type(s) of approval sought from the
Corps: � Section 404 Permit ❑ Section 10 Permit
1b. Specify Nationwide Permit (NWP) number: 3 or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Corps? � Yes ❑ No
1d. Type(s) of approval sought from the DWQ (check all that apply):
� 401 Water Quality Certification — Regular ❑ Non-404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express ❑ Riparian Buffer Authorization
1e. Is this notification solely for the record For the record only for DWQ 401 For the record only for Corps Permit:
because written approval is not required? Certification:
❑ Yes � No ❑ Yes � No
1f. Is payment into a mitigation bank or in-lieu fee program proposed for mitigation � Yes � No
of impacts? If so, attach the acceptance letter from mitigation bank or in-lieu
fee program.
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h � Yes ❑ No
below.
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)? ❑ Yes � No
2. Project Information
2a. Name of project: Davis Rd SR 1204 Stabilization Project
2b. County: Onslow
2c. Nearest municipality / town: Maple Hill
2d. Subdivision name: n/a
2e. NCDOT only, T.I.P. or state WgS 3B.206711 (Bridge Maintenance)
project no:
3. Owner Information
3a. Name(s) on Recorded Deed: NCDOT within ROW; others outside of ROW
3b. Deed Book and Page No.
3c. Responsible Party (for LLC if
applicable):
3d. Street address:
3e. City, state, zip:
3f. Telephone no.:
3g. Fax no.:
3h. Email address:
Page 1 of 13
PCN Form — Version 1.3 December 10, 2008 Version
4. Applicant Information (if different from owner)
4a. Applicant is: ❑ Agent � Other, specify: NCDOT Division Engineer for Division 3
4b. Name: Karen Collette, P.E.
4c. Business name NC Department of Transportation
(if applicable):
4d. Street address: 5501 Barbados Blvd.
4e. City, state, zip: Castle Hayne, NC 28429
4f. Telephone no.: 910-341-2000
4g. Fax no.: 910-675-0143
4h. Email address: kfussell@ncdot.gov
5. Agent/Consultant Information (if applicable)
5a. Name: Stonewall Mathis
5b. Business name NCDOT
(if applicable):
5c. Street address: 5501 Barbados Blvd.
5d. City, state, zip: Castle Hayne, NC 28429
5e. Telephone no.: 910-341-2036
5f. Fax no.: 910-675-0143
5g. Email address: smathis@ncdot.gov
Page 2 of 13
PCN Form — Version 1.3 December 10, 2008 Version
B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID): Davis Road SR 1204 at 0.1 mile N of SR 1203
Latitude:34.759248N Longitude: -
1 b. Site coordinates (in decimal degrees): 77.615086W
(DD.DDDDDD) (-DD.DDDDDD)
1c. Property size: 0.5 (within scoping area) acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to Nine Mile Swamp
proposed project:
2b. Water Quality Classification of nearest receiving water: C Sw
2c. River basin: Cape Fear
Page 3 of 13
PCN Form — Version 1.3 December 10, 2008 Version
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
There is an existing two lane paved road with existing two barrel crossline of 72 inch diameter pipe each at approximately
52 feet long on a 90 degree skew to the road with existing soil cement bag headwalls on inlet and outlet. The road
shoulders are vegetated. The outlet soil cement bag headwall is compromised and there are sink holes in the road
shoulder resultant on the outlet end. The general land use in the vicinity of the project is rural and largely wooded and
agricultural with some residential concentrations.
3b. List the total estimated acreage of all existing wetlands on the property:
0.01 acres within the review area
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
-150 feet of perennial stream (Nine Mile Swamp) and approximately 50 feet of intermittent stream (UT to Nine Mile
Swamp) within the review area.
3d. Explain the purpose of the proposed project:
The purpose of the project is to preserve the safety and mobility of the traveling public by stabilizing the pipe structure
and road fill on the outlet end.
Page 4 of 13
PCN Form - Version 1.3 December 10, 2008 Version
3e. Describe the overall project in detail, including the type of equipment to be used:
The existing pipe structure is two barrels of 72 inch diameter pipe at approximately 52 feet long on a 90 degree skew to
the roadway with soil cement bag headwalls on inlet and outlet. The outlet headwall is compromised and there are sink
holes in the outlet road shoulder resultant. The project proposes to install dewatering plates (sheet pile, metal plate, or
the like) and bypass pump. A silt bag would be employed for dewatering the primary work area (area between the dams).
The silt bag would be located in upland areas at approximatey 150 feet to the north of the pipe structure on the west side
of the road (outlet side) in vegetated areas. Additional BMPs would be placed around and in the vicinity of the silt bag for
further filtering. Pumps would be placed in upland areas as well. The project would fill in a portion of the outlet scour hole
nearer the roadway and pipe structure in order to provide stability to the pipe structure and roadway. The outlet scour
hole is approximately six feet deep relative to the outlet invert of the pipes. The scour hole is approximately 20 feet
square. NCDOT would fill in the width of the scour hole for approximately 10 feet in the immediate downstream direction
at the outlet of the pipes. The filling in of the portion of the outlet scour hole would be accomplished by filling in partially
with demolished outlet headwall and partially with rip rap as further described. The road fill behind the outlet headwall
would be dug back prior to outlet headwall demolition. The outlet soil cement bag headwall would be broken down and
toppled over/placed into the bottom of the scour hole on the outlet end of the pipe. The soil cement bag headwall
demolition operation would be monitored to ensure that the remnants would be more like rip rap consistency instead of
severely crumbling. If it becomes evident that the headwall remnants are not acting like rip rap but are rather crumbling
up severely, then the remaining not yet demolished soil cement headwall would be removed from the site and properly
disposed. Any portions of the headwall that had already been placed in the scour hole to that point would remain in the
scour hole and would be covered with rip rap as further described. Also, the operation would be monitored to remove
protruding nails, metal, and the like that may be in the headwall. Any portions of the soil cement bag headwall that are
used to fill in the scour hole would be capped with Class B rip rap. This rip rap would be sloped at approximately 1.5 to 1
slope from the bottom of the scour hole to intersect more or less flush with the pipe inverts and the rip rap would carry on
up the slope still at approximate 1.5 to 1 slope to protect the road fill. This should stablize the pipe structure and road fill
at the pipe structure. Finally the roadside channel stream bank heading in the downstream direction from the scour hole
is basically a vertical slope at the bottom of an extremely steep (probably 1.5 to 1) vegetated road fill slope. So, NCDOT
proposes to continue Class B rip rap bank stabilization downstream from the scour hole fill for this stretch of steep stream
bank and road fill to help ensure long term stability of the roadside stream bank and road fill throughout this stretch of the
stream. We would not place filter cloth under the rip rap for any the proposed bank stabilization as we believe we can
achieve better stability by pressing the rip rap into the underlying soil which we would do; therefore, we request a waiver
from the use of filter cloth beneath the rip rap in this regard to the bank stabilization portion if such waiver is necessary.
Also, for the record, the outlet pipe inverts are perched with respect to the outlet stream bed, even that downstream
stream bed beyond the scour hole. So, NCDOT is requesting, if necessary, a waiver from the burial requirements. To be
clear, NCDOT is not proposing relocation, replacement, movement of, or the like of the existing pipes in any way so the
applicant believes that such waiver from burial is not required since we are not proposing placement of pipes with this
project. Nonetheless, the regulatory agencies may have a different perspective in this regard and therefore the request
for a waiver from the burial requirements is hereby made as described if such waiver is necessary. Upon completion of
the primary construction work, we would remove the sheet pile, metal plates, or the like. We would restore the
temporarily disturbed areas as much as possible to preconstruction conditions. We would finish dressing up the roadway
areas and stabilize any remaining disturbed areas with vegetation. Standard road construction and pipe replacement
equipment such as cranes, excavators, dump trucks, and the like would be utilized for this project. Proper erosion and
sedimentation control measures would be employed throughout the project. Finally, roadway area disturbance, if any,
would be repaved.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (including all prior phases) in the past? � Yes ❑ No
Comments:
4b. If the Corps made the jurisdictional determination, what type
of determination was made? ❑ Preliminary ❑ Final
4c. If yes, who delineated the jurisdictional areas?
Name (if known): Stonewall Mathis
Agency/Consultant Company:
Other: NCDOT
❑ Unknown
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
NCDWR visited the site on 6/3/2015.
Page 5 of 13
PCN Form — Version 1.3 December 10, 2008 Version
5. Project History
5a. Have permits or certifications been requested or obtained for � Yes ❑ No � Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to "help file" instructions.
n/a
6. Future Project Plans
6a. Is this a phased project? ❑ Yes � No
6b. If yes, explain.
n/a
Page 6 of 13
PCN Form — Version 1.3 December 10, 2008 Version
C. Proposed Impacts Inventory
1. Impacts Summary
1a. Which sections were completed below for your project (check all that apply):
� Wetlands � Streams - tributaries ❑ Buffers
❑ Open Waters ❑ Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a. 2b. 2c. 2d. 2e. 2f.
Wetland impact Type of jurisdiction
number — Type of impact Type of wetland Forested (Corps - 404, 10 Area of impact
Permanent (P) or (if known) DWQ — non-404, other) (acres)
Tem ora T
W1 ❑ P� T Handclearing/ Herbaceous ❑ Yes � Corps 0.01
Temporary fill emergent � No � DWQ
W2 ❑ P❑ T ❑ Yes ❑ Corps
❑ No ❑ DWQ
W3 ❑ P❑ T ❑ Yes ❑ Corps
❑ No ❑ DWQ
W4 ❑ P❑ T ❑ Yes ❑ Corps
❑ No ❑ DWQ
W5 ❑ P❑ T ❑ Yes ❑ Corps
❑ No ❑ DWQ
W6 ❑ P❑ T ❑ Yes ❑ Corps
❑ No ❑ DWQ
2g. Total wetland impacts 0.01
2h. Comments: There would be handclearing and a small portion of temporary fill for the dam within the handclearing.
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a. 3b. 3c. 3d. 3e. 3f. 3g.
Stream impact Type of impact Stream name Perennial Type of jurisdiction Average Impact
number - (PER) or (Corps - 404, 10 stream length
Permanent (P) or intermittent DWQ — non-404, width (linear
Temporary (T) (INT)? other) (feet) feet)
Outlet Scour Hole —8-10;
S1 � P❑ T Fill/Bank Nine Mile Swamp � PER � Corps 20x20 22
Stabilization ❑ INT � �WQ scourhole
S2 � P❑ T Bank Stabilization Nine Mile Swamp � PER � Corps —g_10 25
beyond scourhole ❑ INT � DWQ
� PER � Corps 12 inlet;
S3 ❑ P� T Dewatering Nine Mile Swamp —8-10 14
❑ INT � �WQ outlet
S4 ❑ P❑ T ❑ PER ❑ Corps
❑ INT ❑ DWQ
S5 ❑ P❑ T ❑ PER ❑ Corps
❑ INT ❑ DWQ
S6 ❑ P❑ T ❑ PER ❑ Corps
❑ INT ❑ DWQ
31�. Total stream and tributary impacts 61
3i. Comments: Temporary dewatering impacts are 9 feet on inlet and 5 feet on outlet.
Page 7 of 13
PCN Form — Version 1.3 December 10, 2008 Version
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individually list all open water impacts below.
4a. 4b. 4c. 4d. 4e.
Open water Name of waterbody
impact number — (if applicable) Type of impact Waterbody type Area of impact (acres)
Permanent (P) or
Tempora T
01 ❑P❑T
02 ❑P❑T
03 ❑P❑T
04 ❑P❑T
4f. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If ond or lake construction ro osed, then com lete the chart below.
5a. 5b. 5c. 5d. 5e.
Wetland Impacts (acres) Stream Impacts (feet) Upland
Pond ID Proposed use or purpose (acres)
number of pond
Flooded Filled Excavated Flooded Filled Excavated Flooded
P1
P2
Sf. Total
5g. Comments:
5h. Is a dam high hazard permit required?
❑ Yes ❑ No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If an impacts require miti ation, then ou MUST fill out Section D of this form.
6a.
❑ Neuse ❑ Tar-Pamlico ❑ Other:
Project is in which protected basin? ❑ Catawba ❑ Randleman
6b. 6c. 6d. 6e. 6f. 6g.
Buffer impact
number— Reason Buffer Zone 1 impact Zone 2 impact
Permanent (P) or for Stream name mitigation (square feet) (square feet)
Temporary (T) im act required?
B1 ❑ P ❑ T ❑ Yes
❑ No
B2 ❑P❑T ❑Yes
❑ No
B3 ❑ P ❑ T ❑ Yes
❑ No
6h. Total buffer impacts
6i. Comments:
Page 8 of 13
PCN Form — Version 1.3 December 10, 2008 Version
D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
The work area has been minimized to that necessary to practically perform the work. The rip rap slope of approximate 1.5 to
1 proposed is about as steep as practical to minimize the footprint of the rip rap. Also, the planned pressing in of the rip rap
into the soil without the use of filter cloth should help better stabilize the intended areas and result in minimizing potential for
erosion and loss of rip rap material and the like which could otherwise negatively impact the stream system moving forward.
Also, the proposed rip rap is the minimum lengths believed necessary to achieve the desire stabilizations for the scour hole
and streambank and road fill sections.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Pressing in of the rip rap into the soil for the proposed bank stabilization should help ensure solid connection between the
stone and the underlying soil resulting in a stable situation short and long term thereby minimizing potential for delayed
impacts that might otherwise occur. Proper erosion and sedimentation control practices would be used to include silt bag for
dewatering into. Bypass pumping would be utilized in order to maintain downstream flows thereby maintaining flow to the
downstream environment and avoid impacts that would otherwise occur if bypass pumping were not proposed. Sheet pile,
metal plate, or the like would be used for damming off the work area; the sheet pile, metal plate, etc. has minimal footprint and
is proposed to be placed relatively close in to our proposed permanent impacts thereby minimizing our temporary footprint
while still allowing the minimal amount of room to operate within. The inlet side metal plate is proposed at the point where the
stream narrows back up to approximately 12 feet wide rather than right at the headwall area where the stream is
approximately 14 feet wide. This minimizes the width of stream bottom (measured across the channel) that would be
temporarily impacted. Also, having the metal plate proposed a little further away from the inlet headwall should help minimize
potential of destabilizing the inlet headwall and possibly resulting in it being compromised resulting in erosion, sediment loss,
and the like.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for ❑ Yes � No
impacts to Waters of the U.S. or Waters of the State?
2b. If yes, mitigation is required by (check all that apply): ❑ DWQ ❑ Corps
❑ Mitigation bank
2c. If yes, which mitigation option will be used for this
project? ❑ Payment to in-lieu fee program
❑ Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter) Type Quantity
3c. Comments:
4. Complete if Making a Payment to In-lieu Fee Program
4a. Approval letter from in-lieu fee program is attached. ❑ Yes
4b. Stream mitigation requested: linear feet
4c. If using stream mitigation, stream temperature: ❑ warm ❑ cool ❑cold
4d. Buffer mitigation requested (DWQ only): square feet
4e. Riparian wetland mitigation requested: acres
4f. Non-riparian wetland mitigation requested: acres
4g. Coastal (tidal) wetland mitigation requested: acres
4h. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
Page 9 of 13
PCN Form — Version 1.3 December 10, 2008 Version
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires ❑ Yes � No
buffer mitigation?
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
6c. 6d. 6e.
Zone Reason for impact Total impact Multiplier Required mitigation
(square feet) (square feet)
Zone 1 3(2 for Catawba)
Zone 2 1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in-lieu fee fund).
6h. Comments:
Page 10 of 13
PCN Form — Version 1.3 December 10, 2008 Version
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1a. Does the project include or is it adjacent to protected riparian buffers identified � Yes � No
within one of the NC Riparian Buffer Protection Rules?
1b. If yes, then is a diffuse flow plan included? If no, explain why.
❑ Yes ❑ No
Comments: Project is not within described area.
2. Stormwater Mana ement Plan
2a. What is the overall percent imperviousness of this project? —40 %
2b. Does this project require a Stormwater Management Plan? � Yes ❑ No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
Project will not add any additional new paved area. The addition of rip rap is minimized and is that which is needed to
stabilize the scour hole and stream bank and road fill and prevent further erosion and loss of sediment to the stream
which may otherwise likely result without the project. Stormwater would continue to filter through the grassed shoulder as
at present for treatment.
❑ Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan? ❑ DWQ Stormwater Program
� DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project? Onslow
❑ Phase II
3b. Which of the following locally-implemented stormwater management programs ❑ NSW
apply (check all that apply): ❑ USMP
❑ Water Supply Watershed
❑ Other:
3c. Has the approved Stormwater Management Plan with proof of approval been ❑ Yes � No
attached?
4. DWQ Stormwater Program Review
❑ Coastal counties
❑ HQW
4a. Which of the following state-implemented stormwater management programs apply � ORW
(check all that apply): ❑ Session Law 2006-246
� Other: NPDES permit
4b. Has the approved Stormwater Management Plan with proof of approval been
attached? ❑ Yes � No
5. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements? ❑ Yes ❑ No
5b. Have all of the 401 Unit submittal requirements been met? ❑ Yes ❑ No
Page 11 of 13
PCN Form — Version 1.3 December 10, 2008 Version
F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1a. Does the project involve an expenditure of public (federal/state/local) funds or the � Yes ❑ No
use of public (federal/state) land?
1 b. If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State ❑ Yes � No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1 c. If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
letter.) ❑ Yes ❑ No
Comments: n/a
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards, ❑ Yes � No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after-the-fact permit application? ❑ Yes � No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s): n/a
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in � Yes � No
additional development, which could impact nearby downstream water quality?
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
This is a pipe structure, road fill, and stream stabilization project on an existing paved road so it is not anticipated to result
in additional development.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
n/a
Page 12 of 13
PCN Form — Version 1.3 December 10, 2008 Version
WETLAND PERMIT IMPACT SUMMARY
WETLANDIMPACTS SURFACE WATERIMPACTS
Hand Existing Existing
Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel Natural
Site Station Structure Fillln Fillln in Clearing in SW SW Impacts Impacts Stream
No. (From/To) Size / Type Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. Design
(ac) (ac) (ac) (ac) (ac) (ac) (ac) (ft) (ft) (fit)
SCOUR HOLE AND -
1 DAVIS RD STABILIZATION ASSOCIATED BANK _ _ - 0.01 (A% - - 22 14 (B) -
STABILIZATION AT SCOUR
HOLE
BANK STABILIZATION - 25
BEYOND SCOUR HOLE
TOTALS: 0 0 0 0 0.01 0 0 47 14 0
Notes: (A) THIS IS FOR HANDCLEARING FOR INSTALLING THE DEWATERING DAM (LIKELY METAL PLATE). THERE WOULD BE APPROXIMATELY
15 SQ. FT. OF TEMPORARY FILL FOR THE METAL PLATE W ITHIN THE HANDCLEARING AREA.
(B) TEMPORARY IMPACTS FOR DEWATERING: 9 FT. INLET; 5 FEET OUTLET.
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Bank Stabilization of Outlet End of Pipes on SR 1204 at 0.1 mile North of SR 1203
Angola, Onslow County
0 1,500 3,000 6,000 9,000 12,000
Feet
Bank Stabilization of Outlet End of Pipes on SR 1204 at 0.1 mile North of SR 1203
Angola, Onslow County
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Bank Stabilization of Outlet End of Pipes on SR 1204 at 0.1 mile North of SR 1203
Angola, Onslow County
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