20070116 Ver 1_401 Application_20070107

E'nV
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January 16, 2007
Ms Cyndi Karoly
NC DENR DWQ
Wetlands/401 Unit
1621 Mail Service Center
Raleigh, NC 27699-1621
RE: Silver Creek Residential Development
Ashe County, NC
Dear Ms Karoly:
20070 1 1 6
P"', ~'P~~E~~rT
RECEIVED
3764 Rominger Road
Banner Elk, NC 28604
Ph/Fax: [phone]
e-mail: wccJv~skybest.com
Enclosed are seven copies of the PCN for the referenced project and a check for $475.00 to cover the
permit fee for total proposed stream impacts exceeding 150 linear feet. If you have any questions
regarding this request please call meat 828-297-6946, thank you.
Sincerely,
Jo n C. Vilas
President, E'nV Environmental Consulting Services Inc.
Cc: Steve Silver
Daryl Lamb

Office Use Only: Form Version March OS
20070 1 1 6
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
I. Processing
RECEIVED
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: NWP 39 and NWP 33
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: Steve Silver
Mailing Address: Boone Development Organization
PO Box 2344
Boone NC 28607
---__
Telephone Number: 828.963.8607 Fax Number: 828.963.8610
E-mail Address: Steve e boonecc.net
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: John Vilas
Company Affiliation: E'nV-ECS, Inc.
Mailing Address: 3764 Rominger Road
Banner Elk, NC 28604
Telephone Number: 828.297.6946 Fax Number: 828.297.6946
E-mail Address: john(a~env-ecs.com
Silver Creek Subdivision E'nV-ECS, Inc.
Page 1 of 10

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 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 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: Silver Creek
2. T.I.P. Project Number or State Project Number (NCDOT Only):
Property Identification Number (Tax PIN): Parcel ID: 12342-167
4. Location
County: Ashe Nearest Town: Glendale Springs
Subdivision name (include phase/lot number):
Directions to site (include road numbers/names, landmarks, etc.): NC Hw,y 16 north from
Glendale Sprin~s• turn onto Old Wilkesboro Road heading north for approximately
miles project site is on the right appearing as a Christmas tree farm access road.
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): 36.369322 °N -80.615392 °W
6. Property size (acres): 228.966-acres
7. Name of nearest receiving body of water: Bear Creek
8. River Basin: New River Basin
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.uc.us/adnlin/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: Rural residential, agriculture, and forest land is the site
condition. The area surrounding the site is mixed rural residential, agriculture, and forest land
as well.
Silver Creek Subdivision E'nV-ECS, Inc.
Page 2 of 10

10. Describe the overall project in detail, including the type of equipment to be used: The
project is the planned development of a residential subdivision consistin;; of 1491ots ran~in~
between 1.0 and 2.6-acres in size. The overall property has been surveyed and estimated to
be 228.966-acres in size. All roads throughout the property are designed and sited
minimizing stream and wetland impacts. Roads onsite will be 18' wide and will be
constructed using standard excavation and construction equipment: backhoe, track excavator,
and bull dozer. Two There will be a total of 6 permanent stream crossings as part of the
proposed road network, two of these will use bridges crossing Bear Creek and the other
crossing an unnamed tributary of Bear Creek. Both bridge crossings are shown on the site
plan. A bridge construction typical is included with this permit package. Four stream
crossings are planned to be culverted. These four impact sites are shown on the site plan as
well as on separate impact site maps. Each proposed permanent impact will include
temporaryimpacts as part of the pipe installation in the way of sandbag dams each
approximatel~5' wide. In addition, an existing 36" CMP as part of an existing road crossing
will be upgraded to a 48" CMP to meet subdivision design standards. This pipe up rages de is
shown on a separate map as well, labeled as such. The subject property has two existing
stream fords that are used as part of the existing~Christmas tree farming operation which will
be improved with timber mats to be used as temporary crossings, see detail. The locations of
these two temporary crossings are shown on the proposed site plan.
11. Explain the purpose of the proposed work: The intent of the proposed work is to create a
residential subdivision and associated road network through the subject propert~providin~
access to all of the lots created in a manner that minimizes impacts to all streams and
wetlands delineated onsite.
IV. Prior Project History
If jurisdictional determinations andlor 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.
No previous USACE 404 permit requests have been used to develop this property.
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 additiona1404/401 permit requests are anticipated for an~planned future development of this
property.
Silver Creek Subdivision E'nV-ECS, Inc.
Page 3 of 10

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: Four permanent impacts to streams
have been recognized as part of the proposed development of the road network for the Silver
Creek residential subdivision. Each of these impacts involves the installation of a culvert.
Stream impact one is on UT-1G at its head with 22' feet of stream being_put into a 36" by 40'
CMP. Stream impact two involves installing_a 36" by 65' CMP along the same road section
as stream impact one. Stream impacts three and four are on the same section of road
construction and involve piping~30' of UT-3C and UT-3B each in 36" by 30' CMPs. Each
culvert installation site will involve temporary impacts in addition to permanent impacts.
Temporarypacts will consist of 5' wide sandbags dams allowing for water to be pumped
around the pipe installation area, see detail. Following, completion of each road segment
involving_a culvert installation, the temporary measures will be removed and the impacts will
be fully mitigated restoring the site to its original condition. A section of wetland unit BC-
SW will be impacted by proposed road construction. Approximately 7,270 sf will be
impacted b~grading and filling activities this area is identified as wetland impact one. A 125
sf section of wetland UT-1FW will be filled as part of road construction identified as wetland
impact two Two existing stream fords will be improved for temporary crossing_purposes as
part of site development These two sites are identified as stream impact sites five and six.
Timber mats will be laid down minimizing impacts to the stream channel and aquatic habitat
at the two temporary stream crossings. Four temporary sandbag dam diversions and two
temporary stream crossings are being submitted under the NWP 33 pre-construction permit
notification application The four permanent stream impacts and two permanent wetland
impacts are being submitted under the NWP 39 pre-construction permit notification
application.
Silver Creek Subdivision E'nV-ECS, Inc.
Page 4 of 10

2. Individually list wetland impacts. Types of impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
separately list impacts due to both structure and flooding.
Wetland Impact Type of Wetland Located within Distance to Area of
Site Number Type of Impact (e.g., forested, marsh, 100-year
Floodplain Nearest
Stream Impact
(acres)
(indicate on map) herbaceous, bog, etc.) ( es/no) (linear feet)
Wetland Impact 1 Clearing, grading, fill Forested, riparian No 35' 0.167
Wetland Impact 2 Clearing, grading, fill Forested, riparian No 0-1' 0.003

Total Wetland Impact (acres) 0.17
3. List the total acreage (estimated) of all existing wetlands on the property: 96.165 sf/ 2.207-ac
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 divide by 43,560.

Stream Impact
Number
(indicate on ma )
Stream Name
Type of Impact
Perennial or
Intermittent? Average
Stream Width
Before Impact Impact
Length
(linear feet) Area of
Impact
(acres)
Stream Impact 1 UT-1G Permanent-culvert Perennial 1.5' 22' 0.001
Stream Impact 2 UT-1 Permanent-culvert Perennial 3' 65' 0.004
Stream Impact 3 UT-3C Permanent-culvert Perennial 3' 30' 0.002
Stream Impact 4 UT-3B Permanent-culvert Perennial 3' 30' 0.002
Stream Impact 1 UT-1 G Temporary Perennial 1.5' 3' 0.0001
Stream Impact 2 UT-1 Temporary Perennial 3' 3' 0.0002
Stream Impact 3 UT-3C Temporary Perennial 3' 3' 0.0002
Stream Impact 4 UT-3B Temporary Perennial 3' 3' 0.0002
Stream Impact 5 Bear Creek Temporary Perennial 14' 10' 0.003
Stream Impact 6 Bear Creek Temporary Perennial 14' 10' 0.003
Total Stream Impact (by length and acreage) 147'/179' 0.02
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
fll excavatinn rlreduinu_ fl~~din~_ draina~e_ bulkheads. etc.
Open Water Impact
Site Number Name of Waterbody
Type of Impact Type of Waterbody
(lake, pond, estuary, sound, bay, Area of
Impact
(indicate on ma) (if applicable) ocean, etc.) (acres)

Silver Creek Subdivision E'nV-ECS, Inc.
Page 5 of 10

Total Open Water Impact (acres)
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): 0.02
Wetland Impact (acres): 0.17
Open Water Impact (acres): 0
Total Impact to Waters of the U.S. (acres) 0.19
Total Stream Impact (linear feet): 147'/179'
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
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 nrolJOSed layout for the construction of a road network- accessing all of the tracts as part of
the Silver Creek subdivision was designed to minimize impacts to all streams and wetlands. This
road network was devised using 2:1 fill slopes, minimum road widths of 18', usin eg_xisting road
grades where possible usin;; existing piped crossings and was sited minimizing the costs of
construction. The~roposed stream crossings as part of the road network were necessitated in
order to access portions of the site that would otherwise be inaccessible due to complex stream
networks as well as an existing out-parcel property blocking access to a large portion of the site.
Silver Creek Subdivision E'nV-ECS, Inc.
Page 6 of ] 0

Analysis of the site design consisting of topograph ~~hydrolog~property boundary la o~ut_
supports the proposed road network as that which results in the least amount of impact to waters
of the US while still meeting the design objectives of the project. Two bridge crossings are
proposed as part of the road network in order to avoid impacts to Bear Creek and one of its
tributaries. Road alignment at stream impact site one was adjusted upslope in order to avoid
bisecting UT-1G, minimizing impacts to the head portion of the stream which is a seep
transitionin~ from an ephemeral drainage. Road alignment at stream impact site two was
designed to avoid channel confluences along the complex stream network of UT-1. A retaining
wall is proposed at wetland impact two in order to minimize the impacts to UT-1FW. At stream
impact sites three and four, the crossings were sited along the base of a low slope hillside
minimizing fill areas and culvert len hs along both stream channels. Impacts were avoided at
the northern pond site where the road alignment crossing BC-2 utilizing an existing 36" by 76'
CMP below the pond. Impacts were avoided at the southern property pond and wetland unit UT-
2W by shifting the road alignment upslope and relocating temporary sediment basins. In order to
minimize impacts at each of the stream impact crossing/culvert installation sites, proposed
countersinking the CMPs will allow for the establishment of natural substrate along its interior
reducing impacts to the inherent aquatic habitat of the stream.
Total permanent impacts to streams amounts to 147 linear feet as part of the Silver Creek
proposed site~lan; total temporaryimpacts amount to 32 linear feet; total impacts to all streams
both permanent and temporary amounts to 179 lineax feet. Total permanent wetland impact is
0.1697-acres.
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
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
Silver Creek Subdivision E'nV-ECS, Inc.
Page 7 of 10

Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o.enr.state. nc.us/newetlands/strm gide.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.
Temporarypact sites will be fully mitigated followinP construction of road and installation
of culverts by removing all diversion measures and replanting the impacted areas. The
existing fords are located in open gaps alon t~parian zone with no tree canopy
minimal plant diversity. All temporary timber mats will be fully removed following road
construction and affected areas along the banks will be replanted restorin tg he riparian zone
to pre-agricultural site conditions.
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.state.nc.us/w7-p/index.htn~. 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
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 [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 ^
Silver Creek Subdivision E'nV-ECS, Inc.
Page 8 of 10

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.
* Impact Required
Zone ,~~..,,_e F e«~ Multiplier *,~,*;,~,*;~~
1 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 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.
Existing impervious surfaces are related to several existing residences and farm buildings located
on the subiect property with approximately 11 631 sf of surface area composing 0.11 % of the
239-acre site The existin>; imperviousness covers less than one percent of the site. The proposed
impervious surface area for the Silver Creek project is based on an examination of the site plan
calculating access road coverage estimatingi driveway lengths and estimatinl; average house
footprint size at 4 000 sf Based on this examination the estimated impervious surface area for
the Silver Creek .project will cover approximately 11.27% of the site. In order to reduce
sedimentation of surface waters durinsi the construction process, silt fences, sediment control
settling/detention basins and hydro seeding will be employed. Post construction Stormwater
Silver Creek Subdivision E'nV-ECS, Inc.
Page 9 of 10

management will be established in accordance with Ashe County Ordinance Chapter 156.46
Residential Subdivisions and NCDOT standards for secondary roads as well as minimum
construction requirements for private county standard roads. Because the project has a posed
impervious area of less than 30% and no high density impervious areas are proposed in the
project site plan, the Silver Creek project is exempt from state stormwater requirements.
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.
Private septic systems will be used in association with the Silver Creek project with no
anticipated discharge of wastewater.
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://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description:
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.)
Silver Creek Subdivision E'nV-ECS, Inc.
Page 10 of 10

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SOi~ SUR~'~Y ~F ASHE C4lNTY, N~7RTH G.4RPJUNA
~sr :.•ee~c Sject ars~erty
Cf6 Clifton loam, 2 to 8 percent slopes
CfD Clifton loam, 8 to 15 percent slopes
EvE Evard loam, 15 to 2 percent slopes
EvF Evard loam, 25 to 45 percent slopes
FnE Fannin loam, 15 to 25 percent slopes
To Toxaway loam
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Map Unit Legend
+.~~ ~~~.,~~~.,~nr.. Ashe County, North Carolina
1:w~[~ ~~1i~~ ~i~ •wa ~WttCCal t.CC~VT~V'.Y ~:S"C'IR

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BUT-1B
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1 ' 1 !,
~ ~, 1 ~i Existing Ford'
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~Farmi~g
Residence ~ 1~ o
~5truct~Vres 1 ~ ~,~
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0 40 80 120 180
- --__-~
FEET
'~ Silver Creek Subject Property
~~ ~'i, NWP 39 &NWP 33
'~ Existing Conditions Map
~~ 228,966-acre site

,~

~o/
Wetland PlotAcreaQe
UT-1 EW: 740 sf
UT-1FW: 1,807 sf
UT-11W: 6,102 sf
UT-1 JW; 2,944 sf
UT-2W: 1,564 sf
UT-3CW: 1,548 sf
BC-1 W: 1,471 sf
BC-2W: 1,059 sf
BC-3W: 1,125 sf
BC-4W: 2,288 sf
BC-5W: 73,863 sf
BC-6W: 1,655 sf
1
\
\ N
W~ E
\l 5

Lol 18
f.4 ac Lat 11
1.5 ac.
i
tot i7
Il 1,fi ac.
~~ Lot 16
LS ac.
\ 1
~ Lof I5
~ t.d ac.
I ` `.
'\
~ ~ ~~
~i ~ ~ ~~
~~ 1 ,
~ i ' -~
~~%

-Y~
~;~ .

Silver Creek Subject Property
NWP 39 &NWP 33
Proposed Site Plan
Impact Location Map
~~ 228.966-acre site
~)
~r-= -
"l ~fJ ~ ~
zs
~~
=~
i
i

i

Silver Creek Subject Property
• NWP 39 &NWP 33
~~ II Wetland Impact One
Bridge Location
WETLAND IMPACT ONE
7,270 sf fill

~'o
\ ~o
a'-
\~
Propo;
Bridge
~.,
~;

'QoJ
/ N
W E
S
25 Trout Buffer
0 40 80 120 160
FEET

Silver Creek Subject Property
NWP 39 &NWP 33
Stream Impacts One & Two
Wetland Impact Two ,~
i
i
UT-~ ~
.,~
het
~~
25 ,~,~~
\~~~~~
~;
,.

STREAM IMPACT ONE
36" x 40' CMP
22' culverted stream
STREAM IMPACT TWO
36"x65'CMP

UTt1 H

UT~1 F
,~
UT-1FW
0
0
~~/%~~

WETLAND IMPACT TWO
125sffill

~ N
~,
W E
S
0 40 80 120
FEET

Silver Creek Subject Property
NWP 39 & NWP 33
Removel Upgrade Existing Pipes
~y~~ _____ = ! as part of road construction
~ NO IMPACTS
i"
/- -2
2aF,~~
;,
~ ~BC-2W
~~r~c)'
-, POND
~ ~ , , , .,_
xisting ~# ;~
,~~
36 x l6 .~ ~
CMP r;~Y~ Existing
"PVC i e
pp
Exi ti g Wellbox
N 1
J~ec ~.2
OJ~." ~ W E
2~' ~~ s Q
0 40 80 120 160
FEET
J/

~ ~ Silver Creek Subject Property
NWP 39 &NWP 33
'Stream Impacts Three & Four
\ROgO ~,

STREAM IMPACT THREE
36"x30'CMP

P~~
~/
~~
J~
,~-
het
~~~~~J
~~

/ ~
~ STREAM IMPACT FOUR
36"x30'CMP
WE
V~
2'' v~I~ N
5
0 40 80 120 160
-- ~ - - J
FEET

Note: Bridge lengths will vary depending on
stream width, riparian wetlands widths, and
flood prone zones. Typically the span will be
1.5 times the bankful width of the stream.
Proposed Road Grade
'Existing Grade
Existing Creek
Existing Top of Bank
~.
Normal Flow
Bankfull Elevation ~ ,~ ~
~~ ~~
~~W~
~~~
~ ~~~
~~ z b
~ ~ b~
n~W~
~ ~ W~

Silver Creek PCN
Temporary Impacts
Sandbag Dam Diversions
~~` Road Construction and
Culvert Installation
Stream
temporary
:lam
Stacked Rock'.
Headwall
.f
i ~%'
_ ~ .._
'.Pipe Tie Downs ,.~-~ -
every_ 10' _ ..
r
/ /, j' ,
~ -
~ ~ ~~
NAG-SC150 Erosion ~` •~•
', Control Mat or Equivalent
on graded slopes near stream '
~' , Oaw
~. ~~ ,
v
GJ' ~i ,
r~'~~ W
~p ~~~
0~~4 , 4
0~,, .,p4
4. ~
_.;' i _ _ ,
- - ~.. -
NAG-SC150 Erosion ~ - __ _
Y Control Mat or Equivalent
on graded slopes near stream', ~ ~ '
~~ ~ ~•~
.~ _ ~
~.
.ED ~ ~~~
0 4 i ~~
i~.r .~ I.
~ Stacked Rock;
~`~, Headwall ____!
Rip Rap Temporary
.'
'~. ,

Silver Creek Subject Property
NWP 39 and NWP 33
Timber Dragline Mat Typical
Used in Temporary Crossings
at Existing Fords
5 Oak 8"x8"'s bolted together
with 1" steel bolts and cable
sling at each end for placement
20'-30'
_ ,. ~__. _--_ 10-14' wide - _.
~::. Stream
__ _ _
V~~gc.~tatic~n and Grcwndc;cwcr
~,``~~~
1`~~~
VeK~•tatic~r~ and Grc~un~lrcwt•r