20070768 Ver 1_Application_20071218

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STATE of NORTH CAROLINA
DEPARTMENT OF TRANSPORTATION
MICHAEL F. EASLEY LYNDO TIPPETT
GOVERNOR
December 14, 2007
Mr. William Wescott
U.S. Army Corps of Engineers
Washington Regulatory Field Office
Post Office Box 1000
Washington, North Carolina 27889-1000
Mr. Robert Ridings
Wetlands/401 Unit
NC DENR Division of Water Quality
2321 Crabtree Blvd
Raleigh, NC 27604
SECRETARY

Subject: Permit Modification for Nationwide Permit 3 Action ID. 2007-02016 and DWQ Project
# 20070768, for the pipe replacement and temporary sheet pile coffer dam resulting from
widening of SR 1178 (Keen Road) over UT to Juniper Swamp, Four Oaks, Johnston
County. TIP R-4071.
Dear Sirs:
Please find enclosed a modified permit drawing and impact summary table for the above referenced
project. The modification includes an additional allowable Buffer Zone 1 impact of 2376 sq. ft for
bank stabilization and 74 additional feet of temporary rs eam impact for accumulated sediment removal.
We are requesting these additiona impacts to sta i ize t e s ream a and bed to ensure the additional
treated storm water this site will now be receiving will not degrade this channel. Also we want to
maximize the amount of water that this channel section can handle due to known flooding issues in this
area primarily due to the close proximity of houses to the stream channel.
Best Management Practices for the Protection of Surface Waters including dewatering of this site will
be strictly adhered to during this stream cleanout and bank stabilization activity.
If further information is needed, please contact Chad Goggins Div. 4 Environmental Specialist
[phone].
Sincerely,
R. E. ~rccTr~"Jr., PE
Division Engineer, Division 4
[phone] x 3532 [e-mail]
Post Office Box 3165, Wilson, North Carolina 27895-3165
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STATE OF NORTH CAROLINA SUBJECT PROJECT
DEPARTMENT OF TRANSPORTATION
DIVISION OF HIGHWAYS
COUNTY
HIGHWAY BUILDING PREPARED BY DATE STATION
P. O. BOX 28201
RALEIGH. NORTH CAROLINA 27611 CHECKED BY DATE STR NO SHEET OF_

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ALLOMABLE IMPACT6
`"`~" :ONE Z
TOP of BANK
RIPARIAN SUFFER
_wa- ZONE 1130 FTI
RIPAAiAN NFFEA
_^ ~_ IONE Z fZ0 FTI
---~j-- FLON DIRECTION
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LEGEND
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CON6T? EA~FNENT
PROPOSED
PIPE CIAVERT
E%ISTING
PIPE CULVERT
^ DRAINAGE INLET
C+ SINGLE TREE
~?-r NDOOS LINE
O PROPERTY OWNER
II6 OR PARCEL NLMBER
N.C. DEPT. OF TRANSPORTATION
DIVISION OF HIGHWAYS
JOHNSTON COUNTY
8-4071
SR 1178 (KEE~J ROAD) FROM
US-301 T0164' NORTH WEST
OF SR 1164 (ALLENDALE ROAD).
DATE: APRIL 2007
SHEET 4 OF 6
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BUFF IMPACT SUMMARY
IMPACT BUFFER
TY PE ALLOVWtiBLE M ITIGABL E REPLACEMENT
Slte
N0' Stalfon(komlToj SlructureSizelType
ROAD
CROSSING
PARALLfi
IMPACT
ZONE1
~~
ZONE2
(SF~
TOTAL
(SF's
ZONE1
(S~
ZONE2
(SF~
TOTAL
(SF')
ZONE1
(S~
ZONE2
(5F~
1 k -Y2- 21+62 54" COt~ PFf ~ 856 535 1391
2~ -Y & 12+30 RT 95'x67' qul PIPE AR01 171 171
3 •Y8-12+34 LT 95'xs7^CMPPEARGi 394 394

TOTALS: 535 1956 0 0 0 0 0

* These impacts are less than 40 linear feet and associated with a road crossing.
Therefore, they would be considered exempt.
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` P4 LEGENQ N.C. DEPT. OF TRANSPORTATION
~ DENOTES FILL IN ~~ PROPOSED DIVISION OF HIGI-WAYS
TEMPORARY
~ PIPE CULVERT JOHNSTON COUNTY
., ~ 9UAFpCE.VATER EXISTING ,I
± ~~ ~, • '• 1 TOP OF BANK - - - PIPE CULVERT R-4071
~ _a~__ RIPARIAN BUFFER ^ DRAINAGE INLET SR 1178 (KEEN ROAD) FROM
toNE I n° Fn
inm _^~_ RIPARIAN BUFFER 4T $INLLE TREE I
- :ONE : ~:° FTI US-301 T01fi4 NORTH WEST
a ~nA ~ _-}-.- FLDV DIRECTION ~~ ,+ooos uNE OF SR 1164 (ALLENDALE ROAD).
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PERMANENT
1 ~ ~ '~-" ORpINADE EASEMENT ~ R1P RRP DATE: APRIL 2007
i~ ~ ~ ~~ __~- TEMP pRppERTY ONNER
~i~ i ~ CONST.EAS~MENT (161 DA PARCEL NUMBER SHEET 3 OF 5
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WETLANDS PERMIT IMPACT SUMMARY
~~~~.~~
WETLAND IMPACTS SURFACE WATER IMP TS

ite

No.

tation (FrorrJTo)

tructure 5ize7 Type
Permanent

Fillln

Wetlands
(ac)
Temp.

Fillln

Wetlands
{ac)

Excavalionin

Wetlands

(Ac)
Mechanized

Clearing

in Wetlands
{ac) Hand

Clearing

in

Wetlands
(ac)
Permanent

SW

impacts
(ac)
Temp.

SW

impacts
(ac)
Temp.

SW

impacts
(~~ Existing

Chann

Im Is

pe anent
(ry} Existing

Channel

Impacts

Temp.
{(1)

Natural

Stream

Design (FI)
1 -Y8-12+32 95"X67" CM PIPE ARCH 0.012 3

TOTALS: 0 0 0 0 0 0.000 0.012 0 0 0
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N,C, DEPT. OF TRANSPORTATION
DIVISION OF HIGHWAYS
JOHNSTON COUNTY
R-4071
SR 1178 (KEEN ROAD) FROM
US-301 T0164' NORTH WEST
OF 5R 1164 (ALLENDALE ROAD).
DATE: APRIL 2007
SHEET 4 OF 5
~o~e ~ There Are ap~~~c. 7y ~illeA~ -Fe`-~ O~ Tem~Ora~v
Sul-'~.e. WG~C/~ IMpQCTS Sown Irl ~~C lltW~y ~a~//~ea
A~reQ.
W

Figure 1: 74 feet of blue line stream were are proposing to lay back the stream banks to a 2:1 slope and
clean-out acc~unulated sediment.
Figure 2: The blueline stream makes a 90 degree turn here we are proposing to remove cement block
retaining wall and plate this area with riprap.