19990386 Ver 1_COMPLETE FILE_19990412

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August 10, 1999
Mr. Eric Fleek
Water Quality Planning
Div. of Environmental Management
4401 Reedy Creek Road
Raleigh NC, 27607

Dear Eric:
Enclosed is the revised mitigation plan for the Farrington Subdivision Nationwide Permit
application by St. John Development Corporation in Pitt County. The plan calls for the restoration of 300
linear feet of a previously channelized stream.
Thank you for your assistance in this matter. If you have any questions, please feel free to
contact me.
Sincerely,
L
Piner
Environmental Scientist
Enclosure: 1 copy mitigation plan

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CURRENT STREAM LOCATION N
PROPOSED STREAM RELOCATION
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SCALE 1" = 100'
NWP Request Land Management Group, Inc.
Farrington Environmental ConsuRants Site Plan
Pitt County, NC Wilmington, N.C.
May 1999

MITIGATION
The mitigation consists of the restoration of 300 linear feet of stream restoration
between lots 5 and 6 and on the back property lines of lots 4 and 5. The side slopes
will be created at a 2:1 ratio. Woody vegetation will be planted along the slopes along
with herbaceous vegetation to be established in the stream bottom.
GEOMORPHOLOGY
Slopes of the restoration area will be at a 2:1 ratio. Two check dams will be installed to
dissipate flow thereby reducing erosion and turbidity. The first check dam location will
be at the sharp bend of the stream relocation (between lots 5 and 6) and the second
will be where the relocated stream ties back into the existing stream on lot 4.
VEGETATION
The vegetation will be divided into three sections: the upper slope of the stream, the
lower slope of the stream, and the stream bottom. The upper portion of the stream
slope will be equally planted with Fraxinus pennsylvanica and Carpinus caroliniana.
The lower portion of the stream slope will be equally planted with Taxodium distichum
and Nyssa sylvatica. Both the upper and lower slopes will be planted with bare root
seedlings on even centers at a ratio of 400 trees per acre. The stream bottom will be
equally planted with Saururus cernuus, Juncus effusus, and Peltandra virginica.

June 9, 1999
Mr. Henry Wicker
Washington Regulatory Field Office
U.S. Army Corps of Engineers
P.O. Box 1000
Washington, NC 27889-1000
Dear Mr. Wicker.
Enclosed is the mitigation plan for the stream relocation at Farrington SID in Pitt County, NC.
Please call if you have any questions. Thank you for your assistance in this matter.
Sincerely,
Cott PIr
Environmental Scientist
Enclosure: Mitigation plan
cc: Brad Shaver, DWQ
William Boyette, Stroud Engineering

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CURRENT STREAM LOCATION
Stream Length = 300'
Valley Length = 290'
Sinuosity (Stream/Valley) = 1.034
PROPOSED STREAM RELOCATION
Stream Length = 305'
Valley Length = 265'
Sinuosity (Stream/Valley) = 1.151

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NWP Request Land Management G?ro?up, Inc. Figure 3.
Farrington Wilmington, N.C. Site Plan
Pitt County, NC May 1999 - August 1999
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REFERENCE STREAM
Stream Length Valley Length Sinuosity
(feet) (feet) StreamNalley
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Current Stream 300 290 1.034
Reference Stream 4600 4500 1.022 n
Proposed Stream 305 265 1.151
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SCALE 1" = 2000
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NWP Request Land Management Group, Inc. Figure 2.
Farrington Environmental Consultants U.S.G.S. 7.5'
Pitt County
NC Wilmington, N.C. Greenville S.E. Quad Sheet
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IN May 1999 - August 1999
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PROPOSED STREAM RELOCATION

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SCALE 1" = 100'
NWP Request Land Management Group, Inc.
Environmental Consultants Figure 1.
Farrington Wilmington, N.C. Site Plan
Pitt County, NC May 1999 - August 1999

SUMMARY
The owner is proposing to relocated 300 linear feet of a previously channelized
stream near Greenville, North Carolina. The relocation of the stream would prevent any
additional culvert crossings and would provide a better lot layout for the subdivision.
To offset these impacts, the applicant has proposed to restore 300 linear feet of stream
within the subdivision. When compared to the current stream conditions, the proposed
mitigation will result in an increase of stream function.

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MITIGATION
The mitigation consists of the restoration of 300 linear feet of stream in
Farrington Subdivision approximately 3.5 miles south of Greenville, Pitt County. By
relocating the existing stream (Figure 1.), three crossings would not be required (two
culverts and one sewer main) and a better lot layout for the subdivision could be
achieved. The stream to be relocated runs between lots 5 and 6 and on the back
property lines of lots 4 and 5. The side slopes will be created at a 2:1 ratio. Woody
vegetation will be planted along the upper and lower slopes of the stream.
To obtain the following proposed stream's characteristics, values needed to be
placed on the current stream requesting to be replaced. The following method of
calculating sinuosity according to North Carolina Wildlife Resources Commission was
used:
Sinuosity = Stream IengthNalley length
Stream Length (feet) Valley Length (feet) Sinuosity
Current Stream 300 290 1.034
Reference Stream 4600 4500 1.022
Proposed Stream 305 265 1.151
The reference stream used was northeast of the current stream to be replaced as
shown on the U.S.G.S. Greenville S.E. Quad Sheet (Figure 2.) Based on the
calculations, the sinuosity of the proposed stream (Figure 3.) exceeds the current and
reference stream conditions.
Wetlands Tracking

Facility Name Farrington SD I County Pitt J
Project Number 99 0386 County2 _ J
0 Inactive J Region Washington
Project Type purpose of I DCM Office
Location I COE Office Washington
401s Last Total Total Total
Recvd Sent to Pecvd Action 401 401 Total Mit Mit
Recvd From Date Region Region Date Last Action Acres Feet Acres Feet
401
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Total for Project,
Inspections/ Violations
Inspection Date Inspector
Compliant Letter Type Date Sent
Reply Date Current St
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AN 0I`•TURBANCE WITHIN WE TLAND'~ MILL BE wNc a~:,.
r ?HF ARMY CORP OF ENC1NEERS 401 WE TLAND• HE .UL A ._h
~1i~71SOf1i1t01uM6Tf3 ` t;~ DA-19 1RN OUT RADIUS ARE TO BE 20' UNLESS OTHERWISE NOTED. 1
SEED OR GMRWISE PROVIDE GROUND COVER DEVICES OR ; ; , _~A i > STRUCTURES SUFFICIENT TO RESTRAIN EROSION FOR d • • T I r15PAINAGE 5 g 1sp t 4'i a 15//0 1 -
EXPOSED SLOPES WITHIN 15 WORKING DAYS OF COMPiE'I~N s MXMENT t5l a
ANY PHASE OF GRADING. A yA fie. EA OMIWikE t f E•N' 50, R/w
125, 2. CONTRACTOR SHALL INSPECT AND MAINTAIN AS NEEDED ALL u
EROSION CONTROL DEVICES ON A WEEKLY BASIS AND AFTER f"SE~rO4CF _ ~e A EACN STOW EVEWr. MILORE TO KEEP EROSION DA 15 l F p~ - _
cwfovit fN`OOOD W IMG ORDER MAY RESULT IN t ` IN f~ - - e BENd
ISSUANCE OF A STOP WORK ORDER OR CIVIL PENALTIES UP TO s Z s'. b' ft.
*5W PER DAY OF VIOLATION, SITES UTILIZING SEDIMENT TRAT' ! I 1'~~~p EE MUST ALSO SPECIFY A MWIMIUM DEPTH OF SEDIMENT PRIOR TC - 1 41 rr 73 100' MR -A T71* eer PER CT. SLOPE
CLEAN OUT. MARY
FAITH ASSEMBLY OF GOD CHURCH -o r< _ 4 "
THE E46MERRESERVES THE RIGHT TO REOUIRE A11O!TInNA '~NIkAR° V~A:q E 150 Ata`.I{oo VMTQOZ W&Tt S >NUU~d THE PLAN OR a +11 ~'-i EASEMENT~ t~ f DA -11 v f TT aq. ,34 CABC UNDER CURB AVEMENT SECTION TO BE 6}
rMfFN c:iON PROVE TD BE INADEQUATE. tNLy. ° 'm\ e i DETERMINED BY CBR TEST
q BEYOND THAT REOUIPEE r " t 4" '~tM iE'E CURB d GUTTER C; - >TAKARO F ArE , \'ZI
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c•'o WILLIAM beLE' ADDRESS r.;; 80• 418i
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