20071635 Ver 1_Application_20070927

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STATE of NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY DIVISION OF HIGHWAYS LYNDO T[PPETT
GOVERNOR SECRETARY
September 24, 2007
Mr. Steve Lund p 716 3 5
US Army Corp of Engineers
Asheville Regulatory Field Office
151 Patton Avenue, Room 208
Asheville, N. C. 28801-5006
SUBJECT: Secondary Road Paving/Pipe replacement, SR 1449 (Davis Road), Gaston County
Dear Mr. Lund:
The North Cazolina Department of Transportation proposes to replace a pipe in conjunction with a
secondary road paving project on SR 1449 (Davis Road) in Gaston County. The existing 32-foot, 42"
CMP will be replaced with a 50-foot, 48" CMP. The new pipe will be placed on a skew to better align
the upstream and downstream sections, and will be buried one foot below the existing streambed
elevation based upon the enclosed thalweg profile. A small, low-quality, wetland area (0.07 acres)
located on the north side of the road will be filled due to the minor road widening. There will be
temporary impacts (0.29 acres) to the larger wetland area on the south side of the road due to the
necessary installation of temporary sediment basins during project construction. Upon project
completion, the basins will be removed and the area graded back to the existing contours. Special
sediment control fencing will be installed along the remaining wetland area during road construction.
Temporary cofferdams and bypass pumping will be utilized to manage the stream during pipe installation.
Upon project completion, the channel disturbed by the staging area and temporary cofferdams will be
restored to pre-project conditions and the surrounding area seeded and stabilized. The total scope of the
work will result in 20 feet of permanent impacts to unnamed tributary to Long Creek, which is classified
as Class C waters by the Division of Water Quality.
The project is not located within % mile of any critical watershed area nor is SR 1449 a rural or urban
arterial; therefore, hazardous spill basins are not required. Enclosed is the hazardous spill basin checklist.
Based upon correspondence with the State Historic Preservation Office (SHPO), dated 4/26/01, the
proposed project area has been reviewed and SHPO has determined that no historic properties will be
affected. This office has conducted a GIS and field survey for the project threatened/endangered species.
The federally listed species for Gaston County (USFWS listed dated May ]0, 2007) include Bald eagle
(Haliaeetus leucocephalus), Schweinitz's sunflower (Helianthus schweinitzii), and Bog turtle (Glyptemys
muhlenbergii). Natural Heritage Program records document the nearest Bald eagle location approximately
18 miles southeast of the proposed project area, on Lake Wylie at the North Carolina/South Carolina line.
Bald eagles typically nest in tall, living trees neaz open water. The proposed project is located
approximately 15 miles west of the upper portion of Lake Wylie. There does no appear to be any suitable

SR 1449, Davis Road
Page 2
September 24, 2007
habitat in the surrounding area and no bald eagles were observed during the site visit; therefore, no impact
on the species is anticipated. Natural Heritage Program records document the nearest Schweinitz's
sunflower location approximately 10 miles east of the proposed project area. The sunflower is usually
found in upland open areas protected from shade or excessive competition. There is potential habitat
within the proposed project area; however, no species were observed during the survey site visit. No
impact on this species is anticipated. Natural Heritage Program records document the nearest bog turtle
location approximately 3.5 miles southwest of the proposed project area. Bog turtles are typically found
in bogs, marshes, and wet pastures. There is no suitable habitat located within the project area. T/SA
species are not subject to Section 7 consultation; however, no impact on this species is anticipated.
NCDOT is recommending a finding of "no effect" for T&E species and historical structures.
I have enclosed apre-construction notification for a NW#14, sketches of planned activities, and location
maps relative to the project.
Project information for the 401 Automated Payment Procedure is as follows:
• Work order number: 150456-55120005-12.036021-3855
• TIP #: NA
• Project Category: $200.00 Fee
If you have any questions or concerns, please feel free to contact me at [phone]. Thank you for
your time and consideration to this matter
Respectfully yours,
M.L. Holder, P.E.
Division Engineer
Twelfth Division
BY:
~~
Trish Simon
Division 12 Environmental Supervisor
Enclosures
Cc: John Hennessy, DWQ, 40l/Transportation Permitting Unit
Polly Lespinasse, DWQ, Mooresville Regional Office

Office Use Only: Form Version March 05
2u~ ~~ 6~5
USACE Action ID No. DWQ No.
fir any pamcuiar nem ~s not applicable to tms project, please enter "Not Applicable" or "N/A".)
I. Processing
1. Check all of the approval(s) requested for this project:
^ Section 404 Permit ^ Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: NW #14 (WQC#3627)
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ^
4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed
for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII,
and check here: ^
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ^
II. Applicant Information
1. Owner/Applicant Information
Name: Mike Holder, N.C. Department of Transportation
Mailing Address: P.O. Box 47
Shelby North Carolina 28151
Telephone Number: 704-480-9020 Fax Number: 704-480-5401
E-mail Address:
2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter
must be attached if the Agent has signatory authority for the owner/applicant.)
Name: Trish Simon
Company Affiliation: N.C. Department of Transportation
Mailing Address: P.O. Box 47
Shelbv, North Carolina 28151
Telephone Number: 704-480-9044 Fax Number: 704-480-5401
E-mail Address: tsimon(a,dot.state.nc.us
Page 1 of 8

III. Project Information
Attach a vicinity map cleazly showing the location of the property with respect to local
landmazks such as towns, rivers, and roads. Also provide a detailed site plan showing property
boundaries and development plans in relation to surrounding properties. Both the vicinity map
and site plan must include a scale and north arrow. The specific footprints of all buildings,
impervious surfaces, or other facilities must be included. If possible, the maps and plans should
include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property
boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion,
so long as the property is clearly defined. For administrative and distribution purposes, the
USACE requires information to be submitted on sheets no larger than 11 by 17-inch format;
however, DWQ may accept paperwork of any size. DWQ prefers full-size construction
drawings rather than a sequential sheet version of the full-size plans. If full-size plans aze
reduced to a small scale such that the final version is illegible, the applicant will be informed that
the project has been placed on hold until decipherable maps aze provided.
1. Name of project: Pipe Replacement/Secondary Road Paving, SR 1449 (Davis Road)
2. T.I.P. Project Number or State Project Number (NCDOT Only): 12.036021
3. Property Identification Number (Tax PIN): NA
4. Location
County: Gaston Neazest Town: Bessemer City
Subdivision name (include phase/lot number): NA
Directions to site (include road numbers/names, landmarks, etc.):.. From Bessemer City
north on SR 1448 (North 12`h Street becomes Puetts Chapel Road outside of city limits) turn
left onto SR 1449 and proceed to site.
5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that
separately lists the coordinates for each crossing of a distinct waterbody.)
Decimal Degrees (6 digits minimum): 35°19'07"°N 81°15'49"°W
6. Property size (acres): < 0.10 acres- permit site: Entire secondary road project ~2 5 acres
7. Name of nearest receiving body of water: Unnamed tributary to Long Creek Class C
Waters (from source to Mountain Creek to South Fork Catawba River)
8. River Basin: Catawba
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at l~ttp:j; h?o.enr.~tate.nc.us%admin!-~~a ~s!.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: Existing Conditions-pipe on unpaved secondary road
General Land Use- wooded, a~ricultwal.
Page 2 of 8

10. Describe the overall project in detail, including the type of equipment to be used,
Replacement of a 42" 32-foot CMP with a 48" 50-foot CMP placed on a skew The existing
channel runs parallel to the roadway for approximately 15 feet• therefore the new pipe will
be placed on a skew to better align the upstream and downstream sections Typical heavy
equipment (trackhoe, backhoe, etc. will be used for the construction of this project
11. Explain the purpose of the proposed work: The purpose of the proposed work is to rg ade
base, and pave an unpaved secondary road to paved road standards
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
the USACE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued permits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules.NA
V. Future Project Plans
Are any future permit requests anticipated for this project? If so, describe the anticipated work,
and provide justification for the exclusion of this work from the current application.
No future permit requests are anticipated at this site.
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. Each impact must be
listed separately in the tables below (e.g., culvert installation should be listed separately from
riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts,
permanent and temporary, must be listed, and must be labeled and clearly identifiable on an
accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial)
should be shown on a delineation map, whether or not impacts are proposed to these systems.
Wetland and stream evaluation and delineation forms should be included as appropriate.
Photographs may be included at the applicant's discretion. If this proposed impact is strictly for
wetland or stream mitigation, list and describe the impact in Section VIII below. If additional
space is needed for listing or description, please attach a separate sheet.
1. Provide a written description of the proposed impacts: Stream impacts from pipe
length increase and wetland impacts from minor road widening and temporary erosion
control measures.
Page 3 of 8

2. Individually list wetland impacts. Types of impacts include, but aze not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
se azatel list im acts due to both structure and floodin
g•
Wetland Impact Type of Wetland Located within Distance to Area of
Site Number T e of Im act
YP P
(e.g., forested, marsh, 100-year Nearest Impact

(indicate on map)
herbaceous, bog, etc.) Flood lain
P Stream (acres)
( es/no) (linear feet)
1 Fill Herbaceous Yes Adjacent 0.07
Excavation for
1 temporary erosion Herbaceous Yes Adjacent 0.29
control measures
Total Wetland Impact (acres) 0.36
3. List the total acreage (estimated) of all existing wetlands on the property: 0.36
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but aze not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib
walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed,
plans and profiles showing the lineaz footprint for both the original and relocated streams
must be included. To calculate acreage_ multiply lenoth x .x,;r~rh t1~P„ ,t;.,;,~o ~,., ~~ «r,
- - - - --o-~ -------r- ----b • •• • ~ ••... ~aa, uav aa va ~ iua. l/~' ~J ,J V V.
Stream Impact
Number
Stream

Type of Impact
Perennial or Average
Stream Width
Impact
Area of

(indicate on map) Name ~
Intermittent.
Before Length Impact
Im act (linear feet) (acres)
U
ong
1 Creek F~II Perennial 3 feet
20 feet
.0014
Temporary
I Cofferdams/Bypass ~~ 30 feet .002
Piping
* 20 feet *,0014 acre

Total Stream Impact (by length and acreage) permanent
30 feet permanent

*Permanent impacts contained within area ottemporary impacts
temporary .002 acre
tem ora
P ~'
impacts to
open channel impacts to
open channel
5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fill, excavation, dredging, flooding drainage bulkheads etc
Open Water Impact Name of Waterbody Type of Waterbody Area of
Site Number
(indicate on map) (if applicable) Type of Impact (lake, pond, estuary, sound, bay, Impact
ocean, etc.) (acres)
Total Open Water Impact (acres) 0
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Page 4 of 8

Stream Impact (acres): 0.0014
Wetland Impact (acres): PERMANENT 0.07
Open Water Impact (acres): 0
Total Impact to Waters of the U.S. (acres) 0.0014
Total Stream Impact (linear feet): 20 feet
7. Isolated Waters
Do any isolated waters exist on the property? ^ Yes ®No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USACE.
NA
8. Pond Creation NO POND IMPACTS
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock .watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Current land use in the vicinity of the pond:
Size of watershed draining to pond:
VII. Impact Justification (Avoidance and Minimization)
Expected pond surface area:
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. The road is being_paved on the
existing roadway footprint with minor increases in width to provide adequate road shoulders.
The increase in pipe length is due to the proposed skew to better align the upstream and
downstream sections. No riprap will be utilized at this site.
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
Page 5 of 8

necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete.
An applicant may also choose to review the current guidelines for stream restoration in DWQ's
Draft Technical Guide for Stream Work in North Cazolina, available at
http:/~'h?o.enr.state.nc.uslnc«etlands~`strmride.html.
1. Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/lineaz feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction. Please attach
a sepazate sheet if more space is needed.
Any mitigation required will be provided by the Ecosystem Enhancement pro -ram per the
Memorandum of Agreement between NCDOT USACE and NCDENR
2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement
Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at
[phone] to determine availability, and written approval from the NCEEP indicating
that they are will to accept payment for the mitigation must be attached to this form. For
additional information regarding the application process for the NCEEP, check the NCEEP
website at http:- %h2o.enr.stat~.nc.us~'« rp~'inile~.htm. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Amount of stream mitigation requested (linear feet):
Amount of buffer mitigation requested (squaze feet):
Amount of Riparian wetland mitigation requested (acres):
Amount ofNon-riparian wetland mitigation requested (acres):
Amount of Coastal wetland mitigation requested (acres):
IX. Environmental Documentation (required by DWQ)
Does the project involve an expenditure of public (federaUstate/local) funds or the use of
public (federaUstate) land? Yes ® No ^
2. If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Page 6 of 8

Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at [phone] to review current thresholds for environmental documentation.
Yes ^ No
3. If yes, has the document review been finalized by the State Clearinghouse? If so, please
attach a copy of the NEPA or SEPA final approval letter. Yes ^ No ^
X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify )? Yes ^ No
2. If "yes", identify the square feet and acreage of impact to each zone of the riparian buffers.
If buffer mitigation is required calculate the required amount of mitigation by applying the
buffer multipliers.
* P 9
Zone lm act Multiplier Re uired
(square feet) Mitigation
1 I ~ 3 (2 for Catawba)
2 1.5 1
Total
* Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 15A NCAC 2B .0242 or .0244, or .0260.
XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss
Stormwater controls proposed in order to protect surface waters and wetlands downstream from
the property. If percent impervious surface exceeds 20%, please provide calculations
demonstrating total proposed impervious level.
Minor increase in impervious surface proposed. Twenty foot unpaved with to twenty feet
paved width with 6 foot shoulders. Appropriate erosion control measures will be utilized to
protect surface waters/wetlands downstream of property.
Page 7 of 8

XII. Sewage Disposal (required by DWQ)
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.
No wastewater is Qenerated from the project.
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules?
Yes ^ No
Is this anafter-the-fact permit application? Yes ^ No
XIV. Cumulative Impacts (required by DWQ)
Will this project (based on past and reasonably anticipated future impacts) result in additional
development, which could impact nearby downstream water quality? Yes ^ No
If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with
the most recent North Carolina Division of Water Quality policy posted on our website at
http:';'h?o.enr.state.ne.us%ncuetlands. If no, please provide a short narrative description:
The secondary road navin~ and pipe replacement will not result in additional development of the
surroundine area.
XV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
NA
r. ~ ' ('
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 8 of 8

APPROVED JURISDICTIONAL DETERMINATION FORM
U.S. Army Corps of Engineers
'T'his form should be completed by following the instructions provided in Section IV of the JD Form Instructional Guidebook.
SECTION I: BACKGROUND INFORMATION
A. REPORT COMPLETION DATE FOR APPROVED JURISDICTIONAL DETERMINATION (JD):
B. DISTRICT OFFICE, FILE NAME, AND NUMBER:
C. PROJECT LOCATION AND BACKGROUND INFORMATION:
State:North Carolina County/parish borough: Gaston City: Bessemer City
Center coordinates of site (lat/long in degree decimal format): Lat. 35 19 06 ° N, Long. 81 15 49° W.
Universal Transverse Mercator:
Name of nearest waterbody: Long Creek
Name of nearest Traditional Navigable Water (TN W) Into which the aquatic resource flows: South Fork Catawba River
Name of watershed or Hydrologic Unit Code (HUG): 03-08-35
® Check if map/diagram of review area and/or potential jurisdictional areas is/are available upon request.
^ Check if other sites (e.g., offsite mitigation sites, disposal sites, etc...) are associated with this action and are recorded on a
different JD form.
D. REVIEW PERFORMED FOR SITE EVALUATION (CHECK ALL THAT APPLY):
® Office (Desk) Determination. Date: 5/14/07
® Field Determination. Date(s): 5/24/07
SECTION 11: SUMMARY OF FINDINGS
A. RHA SECTION 10 DETERMINATION OF JURISDICTION.
There Are no "navigable waters of the U.S." within Rivers and Harbors Act (RHA) jurisdiction (as defined by 33 CFR part 329) in the
review area. [Required)
^ Waters subject to the ebb and flow of the tide.
^ Waters are presently used, or have been used in the past, or may be susceptible for use to transport interstate or foreign commerce.
Explain:
B. CWA SECTION 404 DETERMINATION OF JURISDICTION.
There Are "waters of the U.S."within Clean Water Act (CWA) jurisdiction (as defined by 33 CFR part 328) in the review area. [Required]
1. Waters of the U.S.
a. Indicate presence of waters of U.S. in review area (check all that apply):'
^ TN Ws, including territorial seas
^ Wetlands adjacent to TNWs
® Relatively permanent watersZ (RPWs) that flow directly or indirectly into TNWs
^ Non-RPWs that flow directly or indirectly into TNWs
® Wetlands directly abutting RPWs that flow directly or indirectly into TNWs
^ Wetlands adjacent to but not directly abutting RPWs that flow directly or indirectly into 7TIWs
^ Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs
^ Impoundments of jurisdictional waters
^ Isolated (interstate or intrastate) waters, including isolated wetlands
b. Identify (estimate) size of waters of the U.S. in the review area:
Non-wetland waters: 80 linear feet: 3 width (ft) and/or acres.
Wetlands: 0.36 acres.
c. Limits (boundaries) of jurisdiction based on: Established by mean (average) high waters.
Elevation of established OHWM (if known):
2. Non-regulated waters/wetlands (check if applicable):;
^ Potentially jurisdictional waters and/or wetlands were assessed within the review area and determined to be not jurisdictional.
Explain: ,
~ Boxes checked below shall be supported by completing the appropriate sections in Section III below.
' For purposes of this form, an RPW is defined as a tributary that is not a TN W and that typically flows year-round or has continuous (low at least "seasonally"
(e.g., typically 3 months).
' Supporting documentation is presented in Section 111. F.

SECTION 111: CWA ANALYSIS
A. TNWs AND WETLANDS ADJACENT TO TNWs
The agencies will assert jurisdiction over TNWs and wetlands adjacent to TNWs. If the aquatic resource is a TNW, complete
Section III.A.1 and Section 111.D.1. only; if the aquatic resource is a wetland adjacent to a TNW, complete Sections III.A.1 and 2
and Section HI.D.1.; otherwise, see Section 111.6 below.
1. TNW
Identify TNW:
Summarize rationale supporting determination:
2. Wetland adjacent to TNW
Summarize rationale supporting conclusion that wetland is "adjacent":
B. CHARACTERISTICS OFTRIBUTARY (THAT IS NOT A TNW) AND ITS ADJACENT WETLANDS (IF ANY):
This section summarizes information regarding characteristics of the tributary and its adjacent wetlands, if any, and it helps
determine whether or not the standards for jurisdiction established under Rapanos have been met.
The agencies will assert jurisdiction over non-navigable tributaries of TNWs where the tributaries are "relatively permanent
waters" (RPWs), i.e. tributaries that typically flow year-round or have continuous flow at least seasonally (e.g., typically 3
months). A wetland that directly abuts an RPW is also jurisdictional. If the aquatic resource is not s TNW, but has year-round
(perennial) flow, skip to Section IIl.D.2. If the aquatic resource is a wetland directly abutting a tributary with perennial flow,
skip to Section III.D.4.
A wetland that is adjacent to but that does not directly abut an RPW requires a significant nexus evaluation. Corps districts and
EPA regions will include in the record any available information that documents the existence of a significant nexus between a
relatively permanent tributary that is not perennial (and its adjacent wetlands if any) and a traditional navigable water, even
though a significant nexus finding is not required as a matter of law.
If the waterbody° is not an RPW, or a wetland directly abutting an RPW, a JD will require additional data to determine if the
waterbody has a significant nexus with a TNW. If the tributary has adjacent wetlands, the significant nexus evaluation must
consider the tributary in combination with all of its adjacent wetlands. This significant nexus evaluation that combines, for
analytical purposes, the tributary and all of its adjacent wetlands is used whether the review area identified in the JD request is
the tributary, or its adjacent wetlands, or both. If the JD covers a tributary with adjacent wetlands, complete Section III.B.I for
the tributary, Section III.B.2 for any onsite wetlands, and Section III.B.3 for all wetlands adjacent to that tributary, both onsite
and offsite. The determination whether a significant nexus exists is determined in Section III.C below.
1. Characteristics of non-TNWs that flow directly or indirectly into TNW
(i) General Area Conditions:
Watershed size: 100 acres
Drainage area: 100 acres
Average annual rainfall: 44 inches
Average annual snowfall: 1 inches
(ii) Physical Characteristics:
(a) Relationship with TNW:
^ Tributary flows directly into TNW.
®Tributary flows through 2 tributaries before entering TNW.
Project waters are 10-15 river miles from TNW.
Project waters are 1 (or less) river miles from RPW.
Project waters are 5-10 aerial (straight) miles from TNW.
Project waters are 1 (or less) aerial (straight) miles from RPW.
Project waters cross or serve as state boundaries. Explain:
Identify flow route to TNWS: Unnamed tributary to Long Creek; Long Creek to South Fork Catawba River.
Tributary stream order, if known: 1 n order.
° Note that the Instructional Guidebook contains additional information regarding swales, ditches, washes, and erosional features generally and in the and
West.
s Flow route can be described by identifying, e.g., tributary a, which flows through the review area, to flow into tributary b, which then flows into TNW.

(b) General Tributary Characteristics (check all that apply):
Tributary is: ^ Natural
^ Artificial (man-made). Explain:
® Manipulated (man-altered). Explain: Channel appears to have been ditched in the past.
Tributary properties with respect to top of bank (estimate):
Average width: 3 feet
Average depth: 0.3 feet
Average side slopes: 2:1.
Primary tributary substrate composition (check all that apply):
® Silts ®Sands ^ Concrete
^ Cobbles ®Gravel ^ Muck
^ Bedrock ^ Vegetation. Type/% cover:
^ Other. Explain:
Tributary condition/stability [e.g., highly eroding, sloughing banks]. Explain: Appears relatavely stable and vegetated.
Presence of run/riffle/pool complexes. Explain: Minimal observed, channel appears to have been ditched.
Tributary geometry: Relatively straight
Tributary gradient (approximate average slope): 1.5
(c) Flow:
Tributary provides for: Seasonal flow
Estimate average number of flow events in review area/year: 2-5
Describe flow regime: Perennial.
Other information on duration and volume: Not available.
Surface flow is: Discrete and confined. Characteristics:
Subsurface flow: Unknown. Explain findings:
^ Dye (or other) test performed:
Tributary has (check all that apply):
® Bed and banks
^ OHWM6 (check all indicators that apply):
^ clear, natural line impressed on the bank ^
® changes in the character of soil ^
^ shelving ^
® vegetation matted down, bent, or absent
® leaf litter disturbed or washed away ^
® sediment deposition ^
^ water staining ^
^ other (list):
^ Discontinuous OHWM.~ Explain:
If factors other than the OHWM were used to determ
^ High Tide Line indicated by: ^
^ oil or scum line along shore objects
^ fine shell or debris deposits (foreshore)
^ physical markings/characteristics
^ tidal gauges
^ other (list):
the presence of litter and debris
destruction of terrestrial vegetation
the presence of wrack line
sediment sorting
scour
multiple observed or predicted flow events
abrupt change in plant community
ine lateral extent of CWA jurisdiction (check all that apply):
Mean High Water Mark indicated by:
^ survey to available datum;
^ physical markings;
^ vegetation lines/changes in vegetation types.
(iii) Chemical Characteristics:
Characterize tributary (e.g., water color is clear, discolored, oily film; water quality; general watershed characteristics, etc.).
Explain: Water color appears clear.
Identify specific pollutants, if known:
6A natural or man-made discontinuity in the OHWM does not necessarily sever jurisdiction (e.g., where the stream temporarily flows underground, or where
the OH WM has been removed by development or agricultural practices). Where there is a break in the OH W M that is unrelated to the waterbody's flow
regime (e.g., flow over a rock outcrop or through a culvert), the agencies will look for indicators of flow above and below the break.
'Ibid.

(iv) Biological Characteristics. Channel supports (check all that apply):
^ Riparian corridor. Characteristics (type, average width):
^ Wetland fringe. Characteristics:
^ Habitat for:
^ Federally Lis[ed species. Explain findings:
^ Fish/spawn areas. Explain findings:
^ Other environmentally-sensitive species. Explain findings:
^ Aquatic/wildlife diversity. Explain findings:
Z. Characteristics of wetlands adjacent to non-TNW that flow directly or indirectly into TNW
(i) Physical Characteristics:
(a) General Wetland Characteristics•
Properties:
Wetland size:0.36 acres
Wetland type. Explain: Riparian wetland.
Wetland quality. Explain:Low to medium quality.
Project wetlands cross or serve as state boundaries. Explain:
(b) General Flow Relationship with Non-TNW:
Flow is: No Flow .Explain:
Surface flow is: Not present
Characteristics:
Subsurface flow: Unknown. Explain findings:
^ Dye (or other) test performed:
(c) Wetland Adiacencv Determination with Non-TNW•
®Directly abutting
^ Not directly abutting
^ Discrete wetland hydrologic connection. Explain:
^ Ecological connection. Explain:
^ Separated by berm barrier. Explain:
(d) Proximity (Relationship) to TNW
Project wetlands are 10-15 river miles from TNW.
Project waters are 5-10 aerial (straight) miles from TNW.
Flow is from: No Flow.
Estimate approximate location of wetland as within the 2 - 5-year floodplain.
(ii) Chemical Characteristics:
Characterize wetland system (e.g., water color is clear, brown, oil film on surface; water quality; general watershed
characteristics; etc.). Explain: Rural Watershed.
Identify specific pollutants, if known: Unknown.
(iii) Biological Characteristics. Wetland supports (check all that apply):
^ Riparian buffer. Characteristics (type, average width):
® Vegetation type/percent cover. Explain:Mostly herbaceous. Area appears to have been logged.
^ Habitat for:
^ Federally Listed species. Explain findings:
^ Fish/spawn areas. Explain findings:
^ Other environmentally-sensitive species. Explain findings:
^ Aquatic/wildlife diversity. Explain findings:
3. Characteristics of all wetlands adjacent to the tributary (if any)
All wetland(s) being considered in the cumulative analysis: 2
Approximately (0.36) acres in total are being considered in the cumulative analysis.

For each wetland, specify the following:
Directly abuts? (Y/N) Size (in acres) UirectlXabuts? (YM) Size (in acres)
Y 0.07 Y 0.29
Summarize overall biological, chemical and physical functions being performed:
C. SIGNIFICANT NEXUS DETERMINATION
A significant nexus analysis will assess the flow characteristics and functions of the tributary itself and the functions performed
by any wetlands adjacent to the tributary to determine if they significantly affect the chemical, physical, and biological integrity
of a TNW. For each of the following situations, a significant nexus exists if the tributary, in combination with all of its adjacent
wetlands, has more than a speculative or insubstantial effect on the chemical, physical and/or biological integrity of a TNW.
Considerations when evaluating significant nexus include, but are not limited to the volume, duration, and frequency of the flow
of water in the tributary and its proximity to a TNW, and the functions performed by the tributary and all its adjacent
wetlands. It is not appropriate to determine significant nexus based solely on any specific threshold of distance (e.g. between a
tributary and its adjacent wetland or between a tributary and the TNW). Similarly, the fact an adjacent wetland lies within or
outside of a floodplain is not solely determinative of significant nexus.
Draw connections between the features documented and the effects on the TNW, as identified in the Rapanos Guidance and
discussed in the Instructional Guidebook. Factors to consider include, for example:
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to carry pollutants or flood waters to
TN Ws, or to reduce the amount of pollutants or flood waters reaching a TN W?
• Does the tributary, in combination with its adjacent wetlands (if any), provide habitat and lifecycle support functions for fish and
other species, such as feeding, nesting, spawning, or rearing young for species that are present in the TNW?
• Does the tributary, in combination with its adjacent wetlands (if any), have the capacity to transfer nutrients and organic carbon that
support downstream foodwebs?
• Does the tributary, in combination with its adjacent wetlands (if any), have other relationships to the physical, chemical, or
biological integrity of the TNW?
Note: the above list of considerations is not inclusive and other functions observed or known to occur should be documented
below:
I. Significant nexus findings for non-RPW that has no adjacent wetlands and flows directly or indirectly into TNWs. Explain
findings of presence or absence of significant nexus below, based on the tributary itself, then go to Section If[.D:
2. Significant nexus findings for non-RPW and its adjacent wetlands, where the non-RPW flows directly or indirectly into
TNWs. Explain findings of presence or absence of significant nexus below, based on the tributary in combination with all of its
adjacent wetlands, then go to Section III.D: Tributary in combination with its adjancent wetlands has the capacity to carry
pollutants or floodwaters to TN W's.
3. Significant nexus findings for wetlands adjacent to an RPW but that do not directly abut the RPW. Explain findings of
presence or absence of significant nexus below, based on the tributary in combination with all of its adjacent wetlands, then go to
Section III.D:
D. DETERMINATIONS OF JURISDICTIONAL FINDINGS. THE SUBJECT WATERS/WETLANDSRRE (CHECK ALL
THAT APPLY):
TNWs and Adjacent Wetlands. Check all that apply and provide size estimates in review area:
^ TNWs: linear feet width (ft), Or, acres.
^ Wetlands adjacent to TNWs: acres.
2. RPWs that flow directly or indirectly into TNWs.
® Tributaries of TNWs where tributaries typically flow year-round are jurisdictional. Provide data and rationale indicating that
tributary is perennial:
^ Tributaries of 7TI W where tributaries have continuous flow "seasonally" (e.g., typically three months each year) are
jurisdictional. Data supporting this conclusion is provided at Section III.B. Provide rationale indicating that tributary flows
seasonally:

Provide estimates for jurisdictional waters in the review area (check all that apply):
® Tributary waters: SO linear feet 3 width (ft).
^ Other non-wetland waters: acres.
Identify type(s) of waters:
3. Non-RPWss that flow directly or indirectly into TNWs.
^ Waterbody that is not a TNW or an RPW, but flows directly or indirectly into a TNW, and it has a significant nexus with a
TNW is jurisdictional. Data supporting this conclusion is provided at Section III.C.
Provide estimates for jurisdictional waters within the review area (check all that apply):
^ Tributary waters: linear feet width (ft).
^ Other non-wetland waters: acres.
Identify type(s) of waters:
4. Wetlands directly abutting an RPW that flow directly or indirectly into TNWs.
® Wetlands directly abut RPW and thus are jurisdictional as adjacent wetlands.
® Wetlands directly abutting an RPW where tributaries typically flow year-round. Provide data and rationale
indicating that tributary is perennial in Section III.D.2, above. Provide rationale indicating that wetland is
directly abutting an RPW: Wetland is located adjacent to the RPW in the floodplain..
^ Wetlands directly abutting an RPW where tributaries typically flow "seasonally." Provide data indicating that tributary is
seasonal in Section [II.B and rationale in Section II1.D.2, above. Provide rationale indicating that wetland is directly
abutting an RPW:
Provide acreage estimates for jurisdictional wetlands in the review area: 0.36 acres.
5. Wetlands adjacent to but not directly abutting an RPW that flow directly or indirectly into TNWs.
^ Wetlands that do not directly abut an RPW, but when considered in combination with the tributary to which they are adjacent
and with similarly situated adjacent wetlands, have a significant nexus with a TNW are jurisidictional. Data supporting this
conclusion is provided at Section III.C.
Provide acreage estimates for jurisdictional wetlands in the review area: acres.
6. Wetlands adjacent to non-RPWs that flow directly or indirectly into TNWs.
^ Wetlands adjacent to such waters, and have when considered in combination with the tributary to which they are adjacent and
with similarly situated adjacent wetlands, have a significant nexus with a TN W are jurisdictional. Data supporting this
conclusion is provided at Section III.C.
Provide estimates for jurisdictional wetlands in the review area: acres.
7. Impoundments of jurisdictional waters.9
As a general rule, the impoundment of a jurisdictional tributary remains jurisdictional.
^ Demonstrate that impoundment was created from "waters of the U.S.," or
^ Demonstrate that water meets the criteria for one of the categories presented above (1-6), or
^ Demonstrate that water is isolated with a nexus to commerce (see E below).
E. ISOLATED ]INTERSTATE OR INTRA-STATE] WATERS, INCLUDING ISOLATED WETLANDS, THE USE,
DEGRADATION OR DESTRUCTION OF WHICH COULD AFFECT INTERSTATE COMMERCE, INCLUDING ANY
SUCH WATERS (CHECK ALL THAT APPLY):10
^ which are or could be used by interstate or foreign travelers for recreational or other purposes.
^ from which fish or shellfish aze or could be taken and sold in interstate or foreign commerce.
^ which aze or could be used for industrial purposes by industries in interstate commerce.
^ Interstate isolated waters. Explain:
^ Other factors. Explain:
°See Footnote # 3.
v To complete the analysis refer to the key in Section IILD.6 of the Instructional Guidebook.
10 Prior to asserting or declining CWA jurisdiction based solely on this category, Corps Districts will elevate the action to Corps and EPA IiQ for
review consistent with the process described in the Corps/EPA Memorandum Regarding CWA Act Jurisdiction Following Rapanos.

Identify water body and summarize rationale supporting determination:
Provide estimates for jurisdictional waters in the review area (check all that apply):
^ Tributary waters: lineaz feet width (ft).
^ Other non-wetland waters: acres.
Identify type(s) of waters:
^ Wetlands: acres.
NON-JURISDICTIONAL WATERS, INCLUDING WETLANDS (CHECK ALL THAT APPLY):
^ If potential wetlands were assessed within the review area, these areas did not meet the criteria in the 1987 Corps of Engineers
Wetland Delineation Manual and/or appropriate Regional Supplements.
^ Review area included isolated waters with no substantial nexus to interstate (or foreign) commerce.
^ Prior to the Jan 2001 Supreme Court decision in "SWANCC," the review area would have been regulated based solely on the
"Migratory Bird Rule" (MBR).
^ Waters do not meet the "Significant Nexus" standard, where such a finding is required for jurisdiction. Explain:
^ Other: (explain, if not covered above):
Provide acreage estimates for non jurisdictional waters in the review area, where the sole potential basis of jurisdiction is the MBR
factors (i.e., presence of migratory birds, presence of endangered species, use of water for irrigated agriculture), using best professional
judgment (check all that apply):
^ Non-wetland waters (i.e., rivers, streams): linear feet width (fl).
^ Lakes/ponds: acres.
^ Other non-wetland waters: acres. List type of aquatic resource:
^ Wetlands: acres.
Provide acreage estimates for non jurisdictional waters in the review area that do not meet the "Significant Nexus" standard, where such
a finding is required forjurisdiction (check all that apply):
^ Non-wetland waters (i.e., rivers, streams): linear feet, width (ft).
^ Lakes/ponds: acres.
^ Other non-wetland waters: acres. List type of aquatic resource:
^ Wetlands: acres.
SECTION IV: DATA SOURCES.
A. SUPPORTING DATA. Data reviewed for JD (check all that apply -checked items shall be included in case file and, where checked
and requested, appropriately reference sources below):
® Maps, plans, plots or plat submitted by or on behalf of the applicant/consultant:
® Data sheets prepared/submitted by or on behalf of the applicant/consultant.
^ Office concurs with data sheets/delineation report.
^ Office does not concur with data sheets/delineation report.
^ Data sheets prepared by the Corps:
^ Corps navigable waters' study:
^ U.S. Geological Survey Hydrologic Atlas:
^ USGS NHD data
^ USGS 8 and 12 digit HUC maps.
® U.S. Geological Survey map(s). Cite scale & quad name:l :24,000, Maiden .
® USDA Natural Resources Conservation Service Soil Survey. Citation:Catawba County Soil Survey.
^ National wetlands inventory map(s). Cite name:
^ State/Focal wetland inventory map(s):
® FEMA/FIRM maps:
^ 100-year Floodplain Elevation is: (National Geodectic Vertical Datum of 1929)
^ Photographs: ^ Aerial (Name & Date):
or ^ Other (Name & Date):
^ Previous determination(s). File no. and date of response letter: .
^ Applicable/supporting case law:
^ Applicable/supporting scientific literature: .
^ Other information (please specify): .
B. ADDITIONAL COMMENTS TO SUPPORT JD:

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Name: BESSEMER CITY
Date: 5/14/2007
Scale: 1 inch equals 1000 feet
Location: 035° 19' 06.67" N 081 ° 15' 49.18" W
Caption: Pipe ReplacemenUSecondary Road Paving, SR 1449 (Davis
Road); UT to Long Creek, Class C Waters, Catawba Basin

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SOO~Vear Flood Boundary
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loo-rr,r rl„a,J eu~ndary-----
Zone Design atiuns• With ~'~`~"`+
Date of IJe nU Uvetiun
e.g., 111!l7~ .L
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IOO~V ear FIOOJ Boundary-- -------
ZONE B
SOO~Ve,r Flood BuunJ ary - - -
Oase Flood Elevation Linc 513
Wnh ElevaUUn In Fee t••
Base FIOUJ Elevation in Feet lEL 987)
Where •Uniiarm Witnin Zone••
Elevation Rerc,ena Marl RM7x
Riser Mdr . M 1.5
••Relnenacd m the National Geodetic Vertical Datum of 19'9
•EXPLANATION OF ZONE DESIGNATIONS
LONE EXPLANAT IUN
A Area: ur Inn-.r,r nnm1; naa< nand elevauuns and
IIu~J ha. arJ ta=lon nut Jcrerm u,e J.
Ao A.<,4 or 1uu/ear >nannw Ih,ndmg where nrmn>
c b<tween u < 111 and once (3) Icat; a. erage dcVths
or in unJalian rare shown, but nu IIuuJ hazard las tuts
are Jrter mined.
OH Areas of 100v ear ,hallow rlooJ ing where Arpths
< hetwern a e 111 and m,ee 131 I«r, ba>e ua,,,d
d<sanuns a >nown, nm no (loud n,e,rJ laeturs
a,e determine J.
41-A30 Areas ul IUU~s ear IIuoJ; base IIuuJ eleva hon> anJ
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NOT FS T(7115CR
~. errrain areas not in [he special FIOOJ hazarJ areas (zones A and V)
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Tnis map is fur (land rn an a purposes only; it Anes nut nrces~
arils show ,II areas suhlcct cto Iluuding In the community u,
all planimetric tear ore, ou tsidc sVcaial UuuJ nazarJ ara as.
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Irvn InL mfvnl IcanoN:
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EROSION AND SEDIMENTATION
CONTROL PLAN
GASTON COUNTY
SR 1449
DATE _ May 23, 2007
DIVISION OF HIGHWAYS
DEPARTMENT OF TRANSPORTATION
STATE OF NORTH CAROLINA
W.O. # 120.036021

PURPOSE
The purpose of this Erosion and
Sedimentation Control Program of the Division
of Highways is to control accelerated erosion
and sedimentation resulting from the
construction and maintenance of roads and
highways in North Carolina. This program is
developed pursuant to the requirements
contained in the Rules and Regulations for
Erosion and Sedimentation Control which were
adopted by the North Carolina Sedimentation
Control Commission on April 10, 1974.

PROJECT
DESCRIPTION
SR 1449 (Davis Rd) from its intersection with SR 1446 to 8R 1448. It will be
constructed to the attached typical section. No problem areas are anticipated. The
work will be completed during the 07/08 construction season.

CONSTRUCTION SEQUENCE
1. Grading to be started by state forces. Install all necessary silt fences, sediment basins, and check dams
and begin clearing construction area.
2. Rough grade the construction area and begin installing any storm drainage and/or cross lines. Install
inlet and outlet protection as storm drainage is being installed.
3. As an area is brought to finish grade and the black base is placed for the road, and the shoulder
finished, then seed, mulch and tack should be provided for denuded areas.
4. Leave all erosion control devices in place until vegetation has been established sufficiently to
withstand erosion ~O NOT remove any erosion control devices until directed by the County
Engineer.
1V~AINTENANCE PLAN
1. All erosion and sediment control practices will be checked for stability and operation following every
runoff producing rainfall but in no case less than once every week. Any repairs will be made
immediately to maintain all practices as designed.
2. Sediment will be removed from behind the sediment fence when it becomes about 0.5 feet deep at the
fence. The sediment fence will be repaired as necessary to maintain a barrier.
3. All seeded areas will be fertilized, reseeded as necessary and mulched according to the instruction in
the seeded specifications to maintain a vigorous, dense vegetative cover.
4. Outlet protection will be installed when outlets are installed. Filter fabric will be placed under the
entire stone section and will be repaired and replaced if damaged during any please of construction.
5. Sediment will be removed from the basin when it reaches 1.0 foot below the emergency spillway. The
filter stone is to be cleaned or replaced when basin no longer drains properly.
GROUND COYER FOR SLOPES. FILLS AND OTHER GRADED AREAS
The angles for graded slopes and fills shall be no greater than the angle which can be retained by vegetative
cover or other adequate erosion control devices or structures.
Seeding should be done in accordance with the specifications for that season of the year.
Additional erosion control measlues may be required depending on the actual field conditions.

~~ i
/
Gaston County
SR 1449, Davis Rd.
Map 3 of 6
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Temporary Rock Silt Check Type B (TRSC-B) :1633.02
IS a small dam with a centered weir that limits erosion in a drainage ditch and helps to reduce
the flow velocity of water.
USE during construction in a channel, roadside ditch outlet, temporary silt ditch or temporary
diversion ditch where grade meets and/or exceeds 3 %.
CONSTRUCT of Class-B stone, with spacing equal to: (3 % ditch grade) * (100 ft.).

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STATE OF ENGLISH STANDARD DRAWING FOR ~ N
NORTH CAROLINA 7'E~IIpORARY ROCK SILT CHECK TYPE 'B' " ~
DEPT. OF TRANSPORTATION °~„~
DIVISION OF HIGHWAYS
RALEIGH N.C. W ~
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Silt Basin Type-B (SB-B) :1630.02
IS a defined pit or basin which collects sediment flowing through a drainageway (often built in
conjunction with temporary rock silt checks in order to slow water flow).
USE in a drainage ditch with temporary rock silt checks. Maintain until vegetation becomes
established.
CONSTRUCT basin width variable to the size of the drainageway, so that the basin's length
equals twice its width, and its depth is a minimum of 2 feet. Storage capacity is 3600 cubic ft. per
acre (capacity =length * width * height). Clean the basin regularly.
NOTE As per special revisions, all silt basins must have Coir Fiber Baffles installed during
construction. See attachment for details.

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STATE OF ENGLISH STANDARD DRAWING FOR ~ N
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DEPT. OF TRANSPORTATION
DIVISION OF HIGHWAYS ~ ~
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COIR FIBER BAFFLE•
Description
Furnish material, install and maintain Coir fiber baffles according to the details in the
plans or in locations as directed. Coir Fiber Baffles shall be installed in silt basins and
sediment dams at drainage outlets. Work includes providing all materials, placing,
securing, excavating and backfilling of Coir Fiber Ba~`les.
Materials
(A) Coir Fiber Mat
Matting: Provide matting to meet the following requirements:
100% coconut fiber (coir) twine woven into high strength matrix
Thickness - 0.30 in. minimum
Tensile Strength 1348 x 626 lb/ft mitimum
Elongation 34% x 38% maximum
Flexibility (mg-cm) 65030 x 29590
Flow Velocity Observed 11 ft/sec
Weight 20 oz/SY
Size 6.6 x 164 ft (120 SY)
"C" Factor 0.002
Open Area (measured) 50%
(B) Staples
Provide staples made of 0.125 in. diameter new steel wire formed into a u shape not less
than 12" in length with a throat of 1" in width.
(C) Posts
Steel posts shall be at least 5 ft. in length, approximately 1 3/8" wide measured parallel to
the fence, and have a minimum weight of 1.25 lb/ft of length. The post shall be equipped
with an anchor plate having a minimum area of 14.0 square inches, and shall be of the
self-fastener angle steel type to have a means of retaining wire and Coir fiber mat in the
desired position without displacement.
(D) Wire
Provide 8-gauge wire strand of variable lengths.
Construction Methods

Place the coir fiber baffles immediately upon excavation of basins. Install three (3)
baffles in basins with a spacing of one fourth (1/4) the basin length and according to the
detail sheets. Two (2) coir fiber baffles shall be installed in basins less than 20 ft. in
length with a spacing of one third (1/3) the basin length.
Steel posts shall be placed at a depth of 2 ft. below the basin surface, with a maximum
spacing of 4 ft. Attach an 8-gauge wire strand to the steel posts at a height of 3 ft. with
plastic ties or wire fasteners. Install a steel post into side of the basin at a variable depth
and a height of 3 ft. from the bottom of the basin to anchor coir fiber mat. Secure anchor
post to the upright steel post in basin with wire fasteners.
The coir fiber mat shall be draped over the wire strand to a minimum of 3 ft. of material
on each side of the strand. Secure the coir fiber mat to the wire strand with plastic ties or
wire fasteners. Place staples across the matting at ends and junctions approximately 1 ft.
apart at the bottom and side slopes of basin. Overlap matting at least 6" where 2 or more
widths of matting are installed side by side. Refer to details in the plan sheets. The
Engineer may require adjustments in the stapling requirements to fit individual site
conditions.
Measurement and Payment
Coir Fiber Ba~,~Jles will be measured and paid for by the actual number of linear feet of
coir fiber baffles which are installed and accepted. Such price and payment will be full
compensation for all work covered by this section, including, but not limited to,
furnishing all materials, labor, equipment and incidentals necessary to install the coir
fiber baffles.
Payment will be made under:
Pay Item Pay Unit
Coir Fiber Baffle Linear Foot

TEMPORARY SILT FENCE:
rte. ~~
A temporary silt fence is commonly used at the toe of a fill section to prevent off-
site sedimentation. It is made of permeable filter fabric buried at the bottom,
stretched and supported by steel posts. The silt fence reduces the water flow while
retaining the sediment. They may also be used to divert water flow to protected
outlets. Silt fences need to be checked after each significant rainfall to ensure there
effectiveness. They must be maintained on a regular basis. Silt fences shall no be
installed across streams, ditches, or waterways.
AREAS OF USE:
• At toe of fill sections where sediment runoff can be stored and contained
inside the project limits.
DESIGN CRITERIA:
Ma eri With Wire Without Wire
Fabric Type 3 Class A Type 3 Class B
Steel posts length 5 ft 5 ft.
Post spacing 10 ft. 6 ft. maximum

~ ~ March, 1992

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ROCK PIPE INLET PROTECTION TYPE-A: S° eg
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A rock pipe inlet protection type-A is a horseshoe shaped structure with abuilt-in
sediment storage area around the outside perimeter of the structure. The type-A
rock pipe inlet protection shall be used at pipe inlets no larger than 36 inches in
diameter where it is receiving flow from several directions. The type-A rock pipe
inlet protection utilizes class-B stone lined with #5 or #57 stone to protect drainage
pipe structures by trapping sediment before it enters. They have a sediment storage
pit which is designed by the same procedures as a silt basin.
AREAS OF USE:
• At inlets to pipes no larger than 36 inches in diameter where it receives flow
from several directions.
• In areas where it can be cleaned and maintained on a regular basis.
DESIGN CRITERIA:
• Structural stone -class-B stone
• Sediment control stone - #5 or #57 stone
• Sediment storage area - 1800 cubic ft./acre
• Dam height - 3 ft. minimum
33 March, 1992

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NCDOT
HAZARDOUS SPILL BASIN CHECKLIST
Division: 1 ~ County:~aatnn Project ID:
River Basin: Catawba Bridge No: Pipe Replacement/Secondary Road
Paving__
Route: SR 1449, Davis Road
Class C Waters
Water Quality Criteria:
Stream: Unnamed tributary to Lon Cg reek,
Yes No
Stream Crossing Blue Line On USGS r r
ORW r
WSI r
WS II,III OR IV, Crossing Within O.Smi of W.S. Critical Area r r
Roadway Criteria:
Route Designation-
Additional Site Information:
Yes No
Arterial Urban r r
Arterial Rural r r
Yes No
Is a Hazardous Spill Basin Required? r r
Criteria Based Upon NCDOT "Best Management Practices for the
Protection of Surface Waters" (March, 1997).

S R 1449, Davis Road
Inlet
~~.
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Upstream
Downstream
Outlet