HomeMy WebLinkAbout20070932 Ver 3_R-4463-A IP Mod 02-14-2020_20200220 DEPARTMENT OF THE ARMY
* WILMINGTON DISTRICT, CORPS OF ENGINEERS
Washington Regulatory Field Office
2407 West 51h Street
�. Washington, North Carolina 27889
IN REPLY REFER TO
February 14,2020
Regulatory Division
Action ID No. 2003-10789
Elizabeth Workman-Maurer
NCDOT Division 2 Project Manager
1037 W. H. Smith Boulevard
Greenville,NC 27835
Dear Ms. Workman-Maurer:
Reference the Department of the Army(DA)individual permit(IP)Action SAW-2007-02231-125, issued
November 19, 2007 for the extension of NC 43 from US 17 Business to US 70(TIP no. R-4463A-B)in
Craven County,North Carolina. The project is located west of New Bern in Craven County, and is referred
to as the NC 43 Connector.
This office received permit modification request dated December 10,2019 affecting areas of the above
referenced project. R-4463 was divided into two sections for permitting purposes(Sections A and B). R-
4463B was completed in 2009. This modification is to begin construction of Section A from US 17
Business north to tie into existing R-4463-B at US 70.
The current design for the A Section from US 17 Business north to US 70 (2.3 miles)will be a four-lane,
divided roadway with four 12-foot travel lanes and 10-foot paved shoulders. It will be median-divided with
median widths varying from 30 to 46 feet.
The original Individual Permit issued in 2007 indicated that jurisdictional impacts for R-4463A were
preliminary and based on functional design and wetland impacts for R-4463A were estimated to be 2.06
acres. There were no estimated stream impacts for R-4463A based on the functional design. The estimated
impacts to jurisdictional areas within Section A were the result of minimization and avoidance measures
and represented the maximum possible impacts foreseen at that time.
Field verification from the United States Army Corp of Engineers (USACE)and the Division of Water
Resources(DWR)has occurred at various times through the project's life. Wetlands and stream
delineations/verifications occurred in 2004,2007,2014, and 2019.
Tables 1,2, and 3 summarize the impacts to jurisdictional water resources for the final design of R-4463A.
Site numbers correspond with the permit(hydraulic)drawings included in this modification request. A
brief description of each impact site will follow the tables.
Table 1.Impacted Jurisdictional Streams
Stream Name V Impacted Unnamed NCDWR Index NCDWR Classification
Tributaries (UT) Number
T to Haywood 2 27-101-35 C; Sw,NSW
Creek
The original Individual Permit proposed permanent wetland impacts of 2.06 acres for R-4463A, and no
proposed temporary wetland impacts. Proposed permanent wetland impacts have been reduced from 2.06
acres to 1.15 acres; a reduction of 0.91 acre. Temporary impacts have increased to 0.12 acre of fill in
wetlands due to utility impacts(permanent utility easement)from the overhead power line and buried gas
line relocations west of Trent Creek Road.
Table 2.Wetland Im acts
Permit IF Permanent
Drawing Site Impact Type Wetland Type Temporary Impacts(ac.)
Number Impacts(ac.)
1 Fill Non-Riparian **0.05 0.05
1 Excavation on-Riparian 0.12
2 Fill Non-Riparian 0.29
Excavation on-Riparian 0.19
3 Fill Non-Riparian **0.07 0.20
3 Excavation on-Riparian 0.08
Fill Non-Riparian 0.02
Excavation on-Riparian <0.01
Hand Clearing Non-Riparian 0.04
5 Fill on-Riparian 0.07
5 Excavation -Non-Riparian 0.03
5 Mechanized Clearing on-Riparian 0.04
6 xcavation on-Ri arian 0.03
6 Mechanized Clearing on-Riparian 0.03
Total Temporary Non-Riparian Impacts 0.12 --
UC 03020204:
Total Permanent Non-Riparian Impacts -- 1.15
[14UC 03020204:
*Rounded totals are sum of actual impacts
**Utility impacts
Roadway impacts for Site 1, Site 2, and Site 3 are for the relocation of the existing ditch needed for
hydraulic conveyance. Excavation impacts were calculated 20 feet beyond the slope stake line to account
for the lateral drawdown of the wetlands being impacted by the proposed design. Due to the excavation of
a gas line relocation, Site 1 has 0.05 ac. of temporary utility impacts for fill and Site 3 has 0.07 ac. of
temporary utility impacts due to fill. Roadway impacts for Site 4 are for the extension of a 5'x 4' RCBC.
Site 5 roadway impacts are for fill, excavation, and mechanized clearing. Site 6 impacts are for the
installation of two 9'x 6' RCBC.
There will be 197 linear feet of permanent stream impacts and 121 linear feet of temporary stream impacts
associated with construction of the R-4463A project. Permanent impacts to wetlands total
1.15 acres(removed 0.04 ac for hand-clearing the PUE on Site 5)due to fill, excavation, and mechanized
clearing on the R-4463A project.
Table 3. Surface Waters Impacts
Permanent Temporary
Permit Surface Water Surface
Drawing Site Impact Type Impacts Water Stream Flow
Number (Stream) (If) Impacts
(Stream)(If)
5'x4' RCBC 89 42 Perennial
Extension
5 Roadway 9 - Intermittent
5 Bank Stabilization 33 40 Intermittent
6 2 @ 9'x6' RCBC 8 - Intermittent
Replacement
6 Bank Stabilization 58 39 Intermittent
Total Impact: 197 121
Total Bank Stabilization: 91
Total Requiring Mitigation 106
UC 03020204:
There were no proposed surface water impacts in the original Individual Permit for R-4463A. The current
design study area extends beyond the original study limits in the 2007 IP. In order to add turn lanes from
US 17 Business to the NC 43 Connector,the current design along US 17 Business to the east required
extending and replacing two culverts that were not in the original IP. Because of this,permanent surface
water impacts have increased to 197 linear feet. Of the 197 linear feet of permanent surface water impacts,
bank stabilization accounts for 91 linear feet. Temporary surface water impacts have increased to 121
linear feet necessary for construction access and dewatering for culvert construction and installation of
bank stabilization.
These modification requests were discussed and coordinated with the appropriate State and Federal
agencies at several on-site meetings and the coordination revealed no objections to this modification
request. The proposed modifications for R-4463 A as detailed above are hereby modified in accordance
with the specific work activities described and depicted on the plan sheets, drawings and descriptions
enclosed with the permit modification request package dated December 10,2019.A revised impact
summary sheet(dated December 10,2019)was received and represents the most recent modifications.
Mitigation for permanent wetland impacts of 1.15 ac and 106 linear feet of permanent surface water
impacts will be provided by the Division of Mitigation Services(DMS). In the original 2007 IP, 2.06 acres
of permanent wetland mitigation were to be provided by the NC Ecosystem Enhancement Program.As the
impacts from Section A have decreased from those projected in 2007,DMS will adjust the debits to reflect
the change in mitigation requirements for Section A of the project on the next quarterly reporting
spreadsheet.
It is understood that all conditions of the original permit and applicable modifications remain valid. In
addition,the permittee will comply with the additional special permit conditions as follows:
a.) All work authorized by this permit modification must be performed in strict compliance with the
submitted work plans,which are part of this permit. Any modification to the permit plans must be
approved by US Army Corps of Engineers(Corps)prior to implementation.
b.) The permittee shall require its contractors and/or agents to comply with the terms and conditions of this
permit in the construction and maintenance of this project, and shall provide each of its contractors and/or
agents associated with the construction or maintenance of this project with a copy of this permit, and any
authorized modifications. A copy of this permit, and any authorized modifications, including all
conditions, shall be available at the project site during construction and maintenance of this project.
c.) In order to compensate for impacts associated with this permit modification,mitigation shall be
provided in accordance with the provisions outlined on the most recent version of the attached
Compensatory Mitigation Responsibility Transfer Form. The requirements of this form, including any
special conditions listed on this form, are hereby incorporated as special conditions of this permit
authorization.
Questions regarding this correspondence may be directed to Tom Steffens,NCDOT
Coordinator/Regulatory Project Manager at the Washington Regulatory Field Office,telephone(910)251-
4615.
Sincerely,
N �
To effens
Regulatory Project Manager
Washington Regulatory Field Office
E-Copies:
Hon Yeung/NCDOT
Jeff Cabaness/NCDOT
Jay Johnson/NCDOT
Chris Rivenbark/NCDOT
Garcy Ward/NCDWR
Stephen Lane/NCDCM
Cathy Brittingham/NCDCM