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STATE ol: NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY DIVISION OF HIGHWAYS LYNDO TIPPETT
GOVERNOR SECRETARY
August 27, 2007
Mr. Steve Lund
US Army Corp of Engineers
Asheville Regulatory Field Office O ~ l
151 Patton Avenue, Room 208 .i
Asheville, N. C. 28801-5006
SUBJECT: Secondary Road Paving/Pipe replacement, SR 1824 (Hatcher Spangler Road), Cleveland
County
Dear Mr. Lund:
The North Carolina Department of Transportation proposes to replace a pipe in conjunction with a
secondary road paving project on SR 1824 (Hatcher Spangler Road) in Cleveland County. The existing
36-foot, 24" CMP, which is on a ~7.4% slope) will be replaced with a 70-foot, 30" HDPE, placed on
~3% slope. The new pipe will be placed on a skew to better align the upstream and downstream sections,
which will result in the loss of 42 linear feet of stream length. The existing pipe inlet is on streambed
grade and the outlet is perched. The new pipe inlet will also be placed on streambed grade in an effort to
prevent headcutting and the new pipe outlet will also be perched; however a 10-foot rock ladder will be
constructed at the new pipe outlet to connect the upstream and downstream bed elevations and to facilitate
some aquatic passage. Due to the existing site conditions, NCDOT requests a waiver from the
Regional Condition 2(b)(e) permit depth specification, for the construction of this project.
Temporary cofferdams and bypass pumping will be utilized, as needed, to manage the stream during
construction. Upon project completion, the channel disturbed by the temporary cofferdams will be
restored to pre-project conditions and the area seeded and stabilized. The total scope of the work will
result in 60 feet of permanent impacts to unnamed tributary to Shoal Rock Creek, which is classified as a
WS-IV watershed by the Division of Water Quality.
The project is not located within '/z mile of any critical watershed area nor is SR 1824 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 2/20/07, the
proposed project area has been reviewed and SHPO has determined that no historic properties will be
affected (ER Number 07-0064). This office has conducted a GIS and field survey for the project
threatened/endangered species. The federally listed species for Cleveland County (USFWS listed dated
March 8, 2006) include the dwarf-flowered heartleaf (Hexastylis nan~ora). Natural Heritage Program
SR 1824, Hatcher Spangler Road
Page 2
August 27, 2007
r~r.^,r~.°, ~^.~~»::;.°...^.t tl:°v ::°v.°..r°v.~it '~::,M,-F fl.. ,n..ou I+nnhlo., ~' I......t:..., 2 '2 '1,.,. «w Fal... .] a
VLL Livu• Vli4~~V~1 -J./ l~lllVJ JVU~II Vl LIIV ~./1 V~/VJl,ll tJ(VJG~.~
area. The heartleaf is usually found on •dry to moist ravine slopes (usually north facing and of the oak-
hickory-pine forest type) and in boggy areas near springheads. No heartleaf species were observed and
there appears to be limited suitable habitat within the proposed project area. NCDOT is recommending a
finding of "no effect" for T&E species.
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: 150455-55120005-120.023066-3855
• TIP #: NA
• Project Category: $200.00 Fee
If you have any questions or concerns, please feel free to contact me at (704) 480-9044. Thank you for
your time and consideration to this matter.
Respectfully yours,
M.L. Holder, P.E.
Division Engineer
Twelfth Division
Trish Simon
Division 12 Environmental Supervisor
Enclosures
Cc: Polly Lespinasse, DWQ, Mooresville Regional Office
Office Use Only: Form Version March OS
USACE Action ID No. DWQ No. 2 ~ ~ 7 ~ 4 6 9
(If anv particular item i~ not annlirahle to thiC nrniect. nleace enter "Nnt Annlicahle" nr "N/A" 1
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 (WOC#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
Shelby North Carolina 28151
Telephone Number: 704-480-9044 Fax Number: 704-480-5401
E-mail Address: tsimon(c~dot.state.nc.us
Page 1 of 8
III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local
landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing nr~nerty
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
USAGE 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 are
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 are provided.
1. Name of project: Pipe Replacement/Secondarv Road Paving SR 1824 (Hatcher Spangler
Road)
2. T.I.P. Project Number or State Project Number (NCDOT Only): 120.023066
3. Property Identification Number (Tax PIN):
4. Location
County: Cleveland Nearest Town: Shelby
Subdivision name (include phase/lot number): NA
Directions to site (include road numbers/names, landmarks, etc.): From Shelby, north on
Hi~hway 18, turn left onto SR 1824 (Dick Spangler Road) after intersection with SR 1005
becomes Hatcher Spangler Road 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°22'43"°N 81°32'35"°W
6. Property size (acres): < 0.10 acres- permit site: Entire secondary road project ~4 acres
7. Name of nearest receiving body of water: Unnamed tributary to Shoal Rock Creek WS-IV
Watershed (from source to First Broad River).
8. River Basin: Broad
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http:Uh2o.enr.state.nc.us!admi~~/maps/.)
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 secondar road
General Land Use- wooded agricultural.
Page 2 of 8
10. Describe the overall project in detail, including the type of equipment to be used_
Replacement of a 24", 36-foot CMP with a 30", 70-foot HDPE placed on a skew. The
existing channel runs parallel to the roadway for 42 feet; therefore, the new pipe will be
nla~arl nn a clra~x~ to hPttPT a~inn tha imetraam one ~numc4rn.~m onnfinr.o onr~ will 1.n r.lnnn.7 .,•
Y' `r" `"Y" r.uvvu u~
^-3% slope. The existing_pipe is at a ~7.4% slope. The existing_pipe inlet is on streambed
grade and the outlet is perched. The proposed pipe inlet will be placed on streambed grade to
in an effort to prevent headcutting and the outlet will remain perched; therefore, a ~10 foot
rock ladder will be constructed to connect the upstream and downstream elevations and to
facilitate some aquatic passage. Coir fiber matting will be utilized to stabilize the
embankment at the pipe inlet. 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.
Page 3 of 8
I . Provide a written description of the proposed impacts:-- Impacts from Chan a in_pipe
alignment and rock ladder construction
7 Tn~i~~i~i~ally list ~sretlwn4l imno.Ct.°, T , en 4' '.., + 1 ,7 1, a ~ 1: •.~.7
• ~ y j 1' J V L 1111r1uV ~J iii~.t uu~., V ul urt. 11V l 1111111611 ill
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
separately list impacts due to both structure and floodinQ_
Wetland Im act
p
Site Number
(indicate on map)
Type of Impact
Type of Wetland
(e.g., forested, marsh,
herbaceous, bog, etc.) Located within
100-year
Flood lain
p
( es/no Distance to
Nearest
Stream
linear feet) Area of
Impact
(acres)
Total Wetland Impact (acres) 0
3. List the total acreage (estimated) of all existing wetlands on the property: 0
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are 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 linear footprint for both the original and relocated streams
must be included. To calculate acreage. multiply length X width- then d;v;rle by d'~ Sin
Stream Impact
Stream
Perennial o Average Impact Area of
Number
Name Type of Impact ~
Intermittent Stream Width Length Impact
indicate on ma
( ) .
Before Im act
(linear feet) )
(acres
UT to Shoal
1
Rock Creek Fill Intermittent
2 feet 42 feet .0019
Rock
1 Ladder/Structure 10 feet .00046
stabilization
Temporary
1 Cofferdams/Bypass 65 feet .003
Piping
'~ 52 feet *,00239 acre
Total Stream Impact (by length and acreage) permanent permanent
*Permanent impacts contained within area of temporary impacts 65 feet
e
temporary t
mporary
impacts impacts
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
Site Number
(indicate on ma) Name of Waterbody
(if applicable)
Type of Impact Type of Waterbody
(lake, pond, estuary, sound, bay,
ocean, etc.) Area of
Impact
(acres)
Total Open Water Impact (acres) p
Page 4 of 8
6. List the cumulative impact to all Waters of the U.S. resulting from the proiect:
Stream Impact (acres): 0.00296
Wetland Impact (acres): 0
/1_..~ \17_a_.. T~_~.. _a /.. _~_ _\.
V Gll YY 0.161 1111.10.1.1 ~0.G1 GJ~. n
V
Total Im act to Waters of the U.S. (acres) 0.00296
Total Stream Impact (linear feet): Permanent 55 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.
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: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
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. The increase in nine leneth is due to the proposed skew to better
align the upstream and downstream sections. The existing_pipe is on a ~7.4% gradient and the
outlet is perched. The proposed pipe on new alignment will be placed on -~3% gradient. The
outlet will still be perched; therefore, a 10-foot rock ladder will be constructed to connect the
upstream and downstream elevations and to facilitate some aquatic passage.
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.
Page 5 of 8
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
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of nronosed impact. and fimcti~n and relative vah~e of the imnactPd
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 Carolina, available at
http://h?o.enr.state.nc.us/newetlands/strm~~ide.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/linear 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 separate sheet if more space is needed.
MITIGATION NOT ANTICIPATED
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
(919) 715-0476 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:/ih?o.enr.state.nc.us/~~~rp/index.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 (square 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)
1. Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federal/state) land? Yes ® No ^
Page 6 of 8
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)?
Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at (9191 733-5083 to review current thresholds for environmental rlncnmPntat;nn
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.
Zone* Impact Multiplier Required
(square feet) Mitication
~ I ~ ~ 3 (2 for Catawba)
2 1.5
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 I.
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.
Minimal increase in road width to brio tg he unpaved road up to paved road standards.
Page 7 of 8
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of
~~,a~tn~i,ater nannratPrl from the nrnnnca~ r~rniart nr a~~ailahlP _ar~a~ity of tha cn}~iart facility
No wastewater is generated 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 an after-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:/,/h2o.elu•.state.nc.us/ncwetlands. If no, please provide a short narrative description:
The secondary road paving_project will not result in additional development of the surrounding
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).
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 8 of 8
SR 1824, Hatcher Spangler Road
Secondary Road Paving/Pipe Replacement
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Name: LAWNDALE Location: 035° 22' 42.27" N 081° 32' 29.17" W
Date: 8/9/2007 Caption: Sec. Rd Paving/Pipe Repl., SR 1824 (Hatcher Spangler Rd), UT
Scale: 1 inch equals 1000 feet to Shoal Rock Crk, WS-IV, Broad River Basin
Copyright (C) 1998, Maptech, Inc
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LEGEND
SPECIAL FLOOD HAZARD AREAS INUNDATI
:: BY 100-YEAR FLOOD
ZONE A No base flood elevations determined.
ZONE AE Base flood elevations determined.
ZONE AH Flood depths of 1 to 3 feet lusually area•
~..a:....~. r. _..
Y""""'b'~ •,~•~ "•:,.~u cicveiiuii. delermin
ZONE AO Flood depths of 1 to 3 feet lusually shut (!
on sloping lerrainl; average depths drlennut
for areas ui alluvial fan floodmg, velocities
determined.
ZONE A99 To he protected from 100-year flood by Fedr
flood protection system under cnnstrucnun;
base elevations determined.
ZONE V Coastal flood with veloar\- hazard (wave astir
no base flood elevations determmed.
ZONE VE Coastal flood with velocity hazard Iwavr attic
' base flood elevations determined.
FLOODWAY AREAS IN ZONE AE
OTHER FLOOD AREAS
ZONE X Areas of 500-year flood; areas of 100-year flo
with average depths of less than 1 foot ur w
drainage areaslessthan 1 square mile;and an
protected by levees from 100-year flood.
OTHER AREAS
ZONE X Areas determined to he outside 500-year tlo
plain.
ZONED Areas in which flood hazards are undeterminE
~~\~ UNDEVELOPED COASTAL BARRIERS
Flood Boundary
Floodway Boundary
Zone D Boundary
Boundary Dividing Special Florid Haza
Zones, and Boundary Dividing Areas
Different Coastal Base Fluud Elevations With
Special Flood Hazard Zone.
^^^^^567 Base Flood Elevation Line; Elevation in Feel
A Cross Section Lrnr
IEL 1 91 Base Flood Elevanon in Feet Where Unifor
lh'rthm Zune'
RM5 Elevation Reference Mark
X
M3.0 ~ Mile Mark
'Referenced to the National Geodetic Vertical Datum of 1929
NOTES
This map is fur use in administering the National Flood Insurance Program;
does not necessarily identify all planimetnc features outside Speaal Florid Hazai
Area or all areas subject to floodmg, particularly from local drainage source
of small .ize.
Areas ul ~prcial Flood Hazard IlOU-year Iloodl include zones, A, AE, Al-A3i
AH, AO, Ay9, V, VE and V1-~30
Certain areas not in Special Flood Hazard Areas may he protected try flood contrc
structures
Boundaries of the floodways were computed at cross sections and interpolate
between cross sections. The floodways were based on hydraulic consideration
with regard to requirements of the Federal Emergency Management Agency
Floodway widths m some areas may he too narrow to show to scale. Rrter t
Floodway Uata Table where floodway width is shown at 1/20 inch.
Coastal base flood elevations apply only landward of the shoreline.
This map incorporates approximate boundaries of coastal barriers establishf•~
under the Coastal Barrier Resources Act IPL 9-.)-08).
Corporate limits shown are current as of thr_ date of this map. Thr• user shouts
contact appropriate community officials to determine rf corporate limits have
changed subsequent tit the issuance u( this rnap_
Fur ddluniutg gam'Is, sec separately printed Map Index.
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EROV101`V AI\VD SLC..DI VIEIVT~1T10 V
CONTROL PLAN
Cleveland COUNTY
SR 1824
DATE gust 7, 2007
DIVISION OF HIGHWAYS
DEPARTMENT OF TRANSPORTATION
STATE OF NORTH CAROLINA
W.O. # 120.023066
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 1824 (Hatches 3pang~er Rd) from its intersection with SR LOOS to 3R 1809. 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.
1. Kough grade the construction area anti 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
w7thstand erosion. DO NOT remove any erosion control devices until directed by the County
Engineer.
MAINTENANCE PLAN
1. All erosion and sediment control practices will be checked for stability and operation follow7ng 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 phase 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 COVER FOR SLOPES, FII.LS 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 struchrres.
Seeding should be done in accordance with the specifications for that season of the year.
Additional erosion control measures may be required depending on the actual field conditions.
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Cleveland County
SR 1824, Hatcher Spangler Rd.
Map 5 of 6
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CONY ~ N'I'IONAL SYNIIlOL5
I~Cf ore.Eatibll _, ~' ,..._
-----------------------........................._..... ~C.XX~C~'
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tlnJ-vrarl Sift llitc~l .--•---......... no -
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I clllporarr SiIE I'cllcc _._............_ III--III--III--
'I'clll~-orarT S~ope vrain ....................................... ...
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SiIE I~asill '1'1pt A ................
SiIE I1asi11 I apt ~ ... ................................................... ~1j~
hock SiIE C11eck llalll ...............................
iAttll LCrhl ..................................................... 1--- f~
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. EI Illa ~atlil .....................
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1Zij/ Itap Sediment IJalll ..........................................
SEvllc Si~E Screen ......... ......................................
1'~rc Inlet ~'tOECCEl0,1 ...........................
'I'cln~-orar~ lli~ersio,l _ ............... ......._._......_...._...
................... -~ Tb -~--
INL ~'I' I'IZO'I' ~ C'I'IUN:
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r-itll CL-Il and ~5 Stolle
'~'y~-C ((l''l++ n5 SEo11C Unlr ........... ............................. ~ .Ul~...
.x,7.1-r t.. ~tJ StO11C x11/1 .711 ~' CIICC ...,.,,,,,,.
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 TEMPORARY ROCK SILT CHECK TYPE 'B' ~
DEPT. OF TRANSPORTATION ~ c~
DIVISION OF HIGHWAYS W ~
RALEIGH
N.C. ~
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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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SILT BASIN TYPE `B' NORTH CAROLINA
C ~ DEPT. OF TRANSPORTATION
~ ~ DIVISION OF HIGHWAYS
N -~ RALEIGH, N.C.
ROCK PIPE INLET PROTECTION TYPE-A: o~ e~`6
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A rock pipe inlet protection type-A is a horseshoe shaped structure with abuilt-in
s~cument 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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TEMPORARY SILT FENCE:
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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 not 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:
Material 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
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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 Baffles.
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
Elongation
Flexibility (mg-cm)
Flow Velocity
Weight
Size
"C" Factor
Open Area (measured)
(B) Staples
1348 x 6261b/ft minimum
34% x 38% maximum
65030 x 29590
Observed 11 ft/sec
20 oz/SY
6.6x164ft(120SY)
0.002
50%
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 snacing ~f one third (1 /'~l the hacin 1Pngth
-- - ~.,.
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 Baffles 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 Iimited 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
NCDOT
HAZARDOUS SPILL BASIN CHECKLIST
Division: 1 ~ County: C 1PVPland Project ID:
River Basin: Broad Bridge No: Secondary Road Pavin Pipe
Replacement
Route: SR 1824 (Hatcher Spangler Road) Stream: Unnamed tributary to
Shoal Rock Creek, WS-IV Watershed
Water Quality Criteria:
Yes No
Stream Crossing Blue Line On USGS r r-
ORW ~
WSI r ~
WS II,III OR IV, Crossing Within O.Smi of W.S. Critical Area r
Roadway Criteria:
Route Designation-
Yes No
Arterial Urban r
Arterial Rural r r
Additional Site Information:
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).