A-0009 CP3_4A packet

NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 1 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
PURPOSE OF TODAY’S MEETING
The purpose of today’s meeting is to obtain concurrence on the Least Environmentally
Damaging Practicable Alternative (LEDPA) (Concurrence Point 3) and Avoidance and
Minimization (Concurrence Point 4A).

PROJECT DESCRIPTION
The NC Department of Transportation is studying improvements from Robbinsville to Stecoah in
Graham County as part of a proposed project to provide the transportation infrastructure
necessary for the well-being of local residents and regional traffic. The State Transportation
Improvement Program (STIP) identifies this portion of the proposed project as A-0009C (which
includes the previously-designated ‘B’ portion from Robbinsville to Cheoah). The project
location is shown in Figure 1.

This project is part of Corridor K of the Appalachian Development Highway System (ADHS) – a
network of road corridors that Congress established in 1965 to provide a safe, efficient
transportation system for the Appalachian Region. Corridor K extends from Dillsboro in Jackson
County, NC to I-75 in Cleveland, Tennessee.

Two alternatives were carried forward for detailed study: Improve Existing Alternative
(Alternative 1) and the No-Build Alternative.1 Because the No-Build Alternative would not meet
the project’s purpose of addressing the mobility and reliability needs of Graham County
residents, Alternative 1 was subsequently selected as NCDOT’s Preferred Alternative.

The Preferred Alternative would improve the existing alignments of US 129, NC 143, and NC 28
between US 129 south of Robbinsville and the existing four-lane section of NC 28 in Stecoah. The
Preferred Alternative would improve roadway shoulders and adding passing/climbing lanes for
the length of the project. Passing/climbing lanes along with environmental features are shown
in Figures 2.1 through 2.4.

In Robbinsville, proposed improvements include:

• Resurfacing some existing sections
• Dedicated eastbound right-turn lane from US 129 to NC 143,
• Dedicated left-turn lanes at Robbinsville High School and Five Point Road (SR1275)
• Sidewalks from Robbinsville High School’s entrance on NC 143 to the intersection of
US 129 and Five Point Road (SR 1275)

Traveling east out of Robbinsville, the Preferred Alternative includes:

• Passing or climbing lanes and eight-foot paved shoulders on NC 143
• Dedicated left-turn lanes at Mountain Creek Road, Tatham Road, and Sweeten Creek
Road

Near the Appalachian Trail, the Preferred Alternative provides both eastbound and westbound
climbing lanes and eight-foot paved shoulders on NC 143. A land bridge would provide a
grade-separated crossing for both pedestrian users of the Appalachian Trail and wildlife.

1 Concurrence Point 2 Revisited – May 20, 2020.
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 2 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Along existing NC 28 in Stecoah the Preferred Alternative would provide:

• Alternating passing/climbing lanes
• Multi-use path on the south side of NC 28 between Stecoah Road and Hyde Town Road
• Eight-foot paved shoulder
• Slight realignment of Bill Crisp Road to create a four-leg intersection with NC 28 and
Stecoah Road

Typical Sections:

Along US 129 and NC 143 in Robbinsville, the proposed typical section is three lanes including a
center turn lane or occasional left and right turning lanes, and 5-foot sidewalks. Sidewalks are
proposed on NC 143 from the Robbinsville High School entrance to the US 129 and SR 1275 (Five
Point Road) intersection. The typical section for much of the remainder of the project includes
two 12-foot lanes with 10-foot shoulders, including 8 feet of pavement and 2 feet of grass, with
passing and climbing lanes throughout.

Passing/Climbing Lane Typical Section
NC 143/NC 28
Center Turn Lane Typical Section
NC 143/US 129 in Robbinsville
*shoulder typical may vary in final design
*shoulder typical may vary in final design
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 3 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
The typical section at the Appalachian Trail includes four 12-foot lanes with eight-foot paved
shoulders, two-foot grass shoulders, and a tiered retaining wall.

A land bridge is proposed to facilitate the crossing of wildlife and pedestrians across NC 143,
and would relocate the Appalachian Trail in the middle of the land bridge. The land bridge
would be approximately 160 feet long, 220 feet wide, and 29-feet tall filled with earth material
and planted.

Appalachian Trail Typical Section
*shoulder typical may vary in final design
Land Bridge Typical Section *shoulder typical may vary in final design
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 4 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)

A multi-use path is proposed along NC 28 from Hyde Town Road (SR 1230) from its western
intersection with NC 28 to its eastern intersection with NC 28. The typical section here includes
three 12-foot lanes with a 10-foot paved multi-use path.

Conceptual Rendering of Land Bridge and Tiered, Benched Retaining Walls
Multi-Use Path Typical Section
NC 28 *shoulder typical may vary in final design
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 5 of 14
CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Table 1: Project Timeline
Milestone Date*
Reinitiate studies with fresh approach September 2015
Project team coordination Ongoing
Public meetings February 2019
Formal environmental studies 2019-2020
Environmental documentation August 2020
Public hearing October 2020
Finding of no significant impact December 2020
Right-of-way acquisition September 2021
Construction begins August 2022
*Future dates subject to change
Table 2: Cost Estimates
Estimated Cost*
Right-of-way acquisition $14,795,888
Utility relocation $6,611,000
Land bridge $5,000,000
Construction $104,200,000
Total $130,606,888
*Estimated costs subject to change.
PROJECT STATUS
Environmental Documentation – A federal Environmental Assessment (EA) was prepared in
August 2020 and it is anticipated that a Finding of No Significant Impact (FONSI) will be prepared
for the project in December 2020.
Merger Team Coordination – On October 9, 2019, the Merger Team reached agreement on
Concurrence Point 1. The project purpose and need statement is as follows:
The project purpose is to provide the transportation infrastructure necessary for the well-
being of local residents by improving mobility and reliability between the existing four-lane
section on NC 28 at Stecoah and US 129 in Robbinsville.
Concurrence Point 2 was originally reached on October 9, 2019 then revisited on May 20, 2020
after additional studies into environmental impacts and costs associated with the build
alternatives that included improvements to Five Point Road in Robbinsville and tunnels in the
Stecoah Gap area were completed. As a result of the second meeting, the Improve Existing
Alternative (Alternative 1) and the No-Build Alternative were identified as the alternatives to be
carried forward for evaluation in the Environmental Assessment.
Concurrence was reached on CP 2A on November 20, 2019. (Bridging decisions resulting from
this meeting are shown in Table 7.)
Other Project Coordination – Table 3 summarizes all coordination efforts for 2020, including
meetings related to Section 106 concurrence and tribal coordination.
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 6 of 14
CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Table 3: 2020 Coordination Summary
Agency Meetings
1/7: Project Team Teleconference
1/22: Project Team Teleconference
1/29: Project Team Teleconference
1/29: USACE, NCDWR, NCWRC Teleconference
2/7: USFWS Coordination Teleconference
3/27: USFS Teleconference
4/8: Section 106 AT Pre-Effects Meeting
4/22: USACE Teleconference
5/20: Concurrence Point 2 Meeting (Revisit)
6/1: Section 106 Effects Meeting
6/11: USFWS Coordination Teleconference
8/10: FHWA, NCDOT, NCSHPO, Advisory Council on Historic Preservation Meeting
8/11: FHWA, USACE, NCDWR, & NCDOT Pre-CP 3/4A Meeting
8/13: USFS Environmental Assessment Comments Discussion
9/17: USFS Environmental Assessment Comments Discussion
Tribal Coordination
1/27: EBCI THPO Call
2/19: FHWA, NCDOT & EBCI Councilmember Work Session
3/13: Cultural Resources Teleconference
7/25: EBCI Attorney General’s Office Teleconference
Appalachian Trail Stakeholders Meetings
3/6: AT Stakeholders Teleconference
4/16: AT Stakeholders Teleconference
4/30: AT Section 106 Effects Meeting
7/1: AT Stakeholders Teleconference
7/30: AT Stakeholders Teleconference
Environmental Stakeholders Meetings
5/5: Environmental Stakeholders Teleconference
6/17: WaysSouth Teleconference
7/1: Environmental Stakeholders Teleconference
Public Outreach
10/1: Virtual Local Official Meeting
10/1: Virtual Public Hearing
Public Outreach – Public meetings were held on February 12 and 14, 2019. Public comments
received during the 2019 comment period included concerns related to residential relocations
and environmental impacts, including habitat fragmentation and impacts to water resources.
Given the large amount of public opposition to T-1 and support for improving existing
roadways between Robbinsville and Andrews, it was determined that scenarios T-1 and T-4
would not be studied further as part of the A-0009C project.
A virtual Public Hearing was held on October 1, 2020. The Public Hearing comment period
ended October 30, 2020.
A total of eighteen written and voicemail transcribed comments were received following the
hearing. A number of the comments provided feedback on multiple aspects of the project
with the majority of comments primarily focused on expressing support for the project; the
proposed land bridge; multi-use path; and, property impacts. Other comments included
questions about property impacts at specific locations, the project schedule, the Andrews to
Robbinsville portion of the project, parking at the picnic area at the Appalachian Trail, and
requests to be added to the project mailing list or other general comments/requests.
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 7 of 14
CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
The US Army Corps of Engineers Section 404 Public Notice was posted on September 22, 2020.
The comment period for the USACE Public Notice expired on October 22, 2020. A total of
three written comments and one voicemail were received in response to the USACE Public
Notice. Both the written comment and voicemail comment received from residents noted
concerns over property impacts.
CONCURRENCE POINT 3
The selection of the Improve Existing Alternative (Alternative 1) as the NCDOT Preferred
Alternative was based on early public input, interagency coordination, and meetings with local
officials.
Alternative 1 was identified as the NCDOT preferred alternative for the following reasons:
•Travel time reliability: Alternative 1 would provide more reliable facilities with the addition
of passing and climbing lanes and extending/adding shoulders. Travel times are
expected to become more consistent and reliable for the segments through Robbinsville,
along NC 143 to NC 28, and through Stecoah. From the Old Sweetwater Road
intersection on NC 143 to the existing four-lane section on NC 28 (a length of roughly 7.8
miles), the proposed project would decrease travel time variability in both directions in
both the AM and PM peak hours with the westbound PM peak experiencing the greatest
reduction in variability at 7.25 minutes. As such, traffic operations and mobility within the
project study area are expected to improve.
•Mobility Improvements: All locally-identified hot spots on the existing roads (locations of
high vehicular crashes due to limited sight distance, dangerous curves and areas of
geologic instability) will be addressed with Alternative 1 though the addition of climbing
or passing lanes, improved shoulders, and dedicated turn lanes.
•Environmental Impacts: Based on agency and stakeholder coordination and input to
date, coupled with environmental study and analysis, impacts associated with
Alternative 1 have been avoided or minimized to the extent possible. Those impacts that
are unavoidable do not reach a threshold of significant concern and they will be further
addressed with mitigation measures that have been developed in coordination with
resource and regulatory agencies.
•Funding Constraints: There is adequate amount of ADHS funding available to construct
Alternative 1.
•Local Support: Graham County Commissioners unanimously voted in support of
Alternative 1 at their April 7, 2020 Board Meeting.
•Best Satisfies Project Purpose and Need: By providing opportunities for passing slower
moving vehicles and providing additional space to allow vehicles to pass crashes,
landslides, farm equipment, and other obstructions, Alternative 1 satisfies the project’s
purpose to improve mobility and reliability in Graham County. The No-Build Alternative
would not meet the project’s purpose to address the mobility and reliability needs of
area residents.
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 8 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Table 4: Summary of Impacts Associated with the NCDOT Preferred Alternative (Alternative 1)
EVALUATION FACTORS 1 Preferred Alternative
CONSTRUCTION FACTORS
Length (miles) 12.2
Railroad Crossings 0
Major Utility Conflicts No
SOCIOECONOMIC FACTORS
Residential Relocations (#)2 9
Business Relocations (#)2 5
Churches/Cemeteries Displaced (#) 0
CULTURAL RESOURCE FACTORS
Potential/Recorded Archaeological Sites (#)3 None Anticipated
Historic Architecture Resources (#)3 7 (“No Adverse Effect”)
Tribal Resources (yes/no) 3 Yes
Section 4(f) (yes/no) 3 Yes (“De Minimis”)
NATURAL RESOURCE FACTORS
Protected Species Impacted (yes/no) 6 Yes
Major Stream Crossings (#) 14
Stream Impacts (linear feet) 11,743
Wetland/Aquatic Systems (acres) 0.963
NFS land (acres) 7.09
Consistency with current Forest Plan (yes/no) Yes
AT impacts/visual (low/mod/high) Low
Habitat fragmentation (low/mod/high) Low
PHYSICAL FACTORS
Floodplains (acres) 8.86
Farmland (acres) 20.08
Hazardous Materials Sites (#) 0
NOTES: Impacts are subject to change as the final design process progresses.
1. All impacts were calculated based on slope stakes limits plus a 25-foot buffer, with the exception of NFS lands and
farmlands, which were calculated based on new right-of-way.
2. Per NCDOT Relocation Report dated 8/13/2020.
3. Of the 20 historic architecture resources determined to be eligible for listing on the National Register of Historic
Places (NRHP), four (4) resources were found to be located outside the Area of Potential Effect. The Preferred
Alternative would have No Effect on nine (9) NRHP-eligible resources and No Adverse Effect on seven (7) NRHP-
eligible resources. Coordination with the State Historic Preservation Office (SHPO), Tribal Historic Preservation Offices
(THPOs), and the US Forest Service (USFS), is ongoing and will continue though project construction to address
impacts to historic architecture and archaeological sites. NCDOT and Federal Highway Administration (FHWA)
committed to enter into a project-level Section 106 Programmatic Agreement (PA). A PA is appropriate when it is
difficult to fully determine how a particular undertaking may affect historic properties or the location of historic
properties and their significance and character. The intent of the PA is to get a No Adverse Effect (NAE) call for the
entire project for both historic and archaeology sites. The PA will be executed prior to the Finding of No Significant
Impact (FONSI). The PA will outline procedures, roles and responsibilities, and continued consultation through final
design, right of way and construction.
4. Alternative 1 has the potential to effect the Northern long-eared bat and Indiana bat based on previous surveys,
the potential for forest loss, known occurrences of NLEB in the project area, presumed presence of Indiana bat in
the study area, and known Indiana bat maternity roosts. An informal Section 7 Consultation is underway for a May
Affect – Not Likely to Adversely Affect biological conclusion for both bats. Additionally, although not yet listed by
USFWS, the golden-winged warbler is present within Alternative 1. A conference opinion for the golden-winged
warbler will be developed with USFWS to be included within permit commitments.

NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 9 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
CONCURRENCE POINT 4A
Avoidance & Minimization Measures – Throughout the development of the proposed project,
NCDOT has attempted to avoid and minimize impacts to streams and wetlands to the maximum
extent practicable. Tables 5, 6, and 7 show preliminary impacts to streams and wetlands based
on the slope stakes limits of the Preferred Alternative plus a 25-foot buffer and reflect avoidance
and minimization measures incorporated into the design to date. After final surveys and final
geotechnical recommendations are available in the final design phase, additional measures to
further reduce impacts will be evaluated. There are a number of locations where valley streams
parallel the roadway; it is anticipated that stream impacts in these areas can be further reduced
in final design; however, actual reductions cannot be determined until the above-mentioned
information is available in the final design phase.

Figures 3.1 through 3.20 include site-specific descriptions of avoidance and minimization
measures currently incorporated in the Preferred Alternative design. These measures are listed in
Table 8. In summary, the current NCDOT Preferred Alternative design includes the following
avoidance and minimization measures:

• 2:1 fill slopes.
• 1.5:1 cut slopes where possible.
• Expressway gutter and shoulder berm gutter to reduce cross-section width.
• Alignment shifts to avoid relocations and avoid/minimize stream, wetland, and historic
resource impacts.
• Alignment shifts and either symmetrical or asymmetrical widening to fit a best-fit
alignment to avoid/minimize impacts and reduce earthwork.
In final design:
• All slopes in jurisdictional areas are anticipated to be the maximum allowable for
standard grass lined slopes (2:1) to minimize jurisdictional impacts.
• Minimum applicable typical sections will be proposed throughout the project to
minimize jurisdictional impacts.
• Final design will propose retaining and extending existing culverts where practicable to
minimize in stream work.
• Effort will be made throughout the project in final design to make slight adjustments to
the horizontal and vertical alignments where practicable to minimize jurisdictional,
cultural and environmental impacts. Similarly, geotechnical design will evaluate
steepening slopes in some areas if practicable.
• Consideration will be given to extending existing culvert headwalls vertically where
practicable in a few locations to avoid stream loss (possible examples are Tulula Creek,
downstream end of Sweetwater Creek at Slaybacon Rd and upstream end of Stecoah
Creek).
• The design team will be prepared at CP 4B and/or 4C to discuss jurisdictional impacts as
well as provide a more detailed explanation of minimization efforts made at a specific
location, as needed.

NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 10 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Table 5: Stream Impacts
Map ID Sheet
#
Bank
Height
(ft)
Bankful
Width
(ft)
Water
Depth
(in)
Type
STREAM
IMPACT
(ft)
SE 1 1 4 5 Intermittent 54
Sweetwater Creek (at Hydraulic Site 3) 3 9 25 12 Perennial 484
SG 3 2 2 3 Intermittent 32
SI 3 2.5 5 6 Perennial 243
SJ 3 4 2 2 Intermittent 51
SL 4 4 4 1 Intermittent 8
Sweetwater Creek (near Hydraulic Site 5) 4 9 25 12 Perennial 94
Slay Bacon Branch 4 7 6 6 Perennial 90
Sweetwater Creek (at Hydraulic Site 6) 5 9 25 12 Perennial 167
SM 5 1.5 3 3 Perennial 22
SN 5 2 4 4 Intermittent 54
SO 5 2 4 4 Intermittent 6
Sweetwater Creek (west of Pigpen Branch) 5 9 25 12 Perennial 109
Pigpen Branch 5 3 6 2 Perennial 101
Harwood Branch 6 3 5 6 Perennial 89
SR 6 1 2 1 Perennial 58
SS 6 0.5 2 1 Intermittent 29
ST 6 2 4 6 Perennial 36
SU 6 3 8 6 Perennial 0
SV 6 3 4 4 Intermittent 44
Sweetwater Creek
(near Sweeten Creek Road) 6 9 25 12 Perennial 282
SX 7 2 6 6 Perennial 37
Sweetwater Creek (near Hydraulic Site 8) 7 9 25 12 Perennial 279
Beech Creek 7 7 20 6 Perennial 121
SY 8 4 4 1.5 Perennial 34
Sweetwater Creek (near Wetland WAF) 8 9 25 12 Perennial 354
SZ 8 1 1.5 1 Perennial 79
SAA 8 1 1.5 0.5 Perennial 38
SAB 9 1 2 0.5 Perennial 30
Sweetwater Creek (near Wetland WAK) 9 9 25 12 Perennial 385
SAC 9 0.5 2 6 Intermittent 45
SAD 9 5 4 6 Perennial 50
SAE 9 0.5 1 3 Perennial 89
Sweetwater Creek (near Wetland WAM) 9 9 25 12 Perennial 787
SAF 10 0.5 3 3 Perennial 230
SAG 10 0.5 3 3 Perennial 63
Sweetwater Creek (at Hydraulic Site 10) 10 9 25 12 Perennial 103
SAH 10 1 2 0.6 Intermittent 66
SAJ 10 1 4 4 Perennial 484
SAK 10 1 4 4 Perennial 37
SAM 11 2 5 6 Perennial 137
Stillhouse Branch 11 2 3 6 Perennial 43
Sweetwater Creek (near Wetland WAY) 11 9 25 12 Perennial 28
SAT 11 2 3 6 Perennial 53
SAX 12 1 2 2 Perennial 113
SBA 12 1 1 1 Perennial 63
SAY 12 1 2 2 Perennial 77
NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 11 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Map ID Sheet
#
Bank
Height
(ft)
Bankful
Width
(ft)
Water
Depth
(in)
Type
STREAM
IMPACT
(ft)
SBB 14 0.5 1 1 Intermittent 114
SBC (at NC 143) 15 1 3 3 Perennial 0
SBG 16 0.5 1 0.5 Intermittent 166
SEV 16 0.25 2 3 Intermittent 370
Johnson’s Gap Branch 16 1 3 6 Perennial 278
SEX 16 0.5 4 4 Intermittent 45
SEY 16 0.25 3 2 Intermittent 30
SEZ 16 0.5 4 3 Intermittent 114
SFA 16 1 3 2 Intermittent 25
SFB 16 0.5 4 3 Intermittent 0
Carver Branch
(between NC 143 and NC 28) 16 5 10 3 Perennial 262
SBC (at NC 28) 16 1 3 3 Perennial 80
Carver Branch (at Hydraulic Sites 21 & 22) 17 5 10 3 Perennial 111
SBJ 17 4 2 2 Perennial 71
SBN 18 2 5 2 Perennial 183
SBO 18 1 1 0.25 Intermittent 206
Carver Branch (near Stream SBN) 18 5 10 3 Perennial 191
SBV (parallel to Bill Crisp Rd) 18 1 2 2 Perennial 152
Edwards Branch 18 2 4 8 Perennial 233
SBZ 18 1 3 1 Intermittent 48
Carver Branch (parallel NC 28) 18 5 10 3 Perennial 634
Edwards Branch (at Hydraulic Site 24) 18 2 4 8 Perennial 44
SBV (at Hydraulic Site 24) 18 1 2 2 Perennial 21
Carver Branch (at Hydraulic Site 24) 18 5 10 3 Perennial 189
SCB 19 0.5 2 3 Perennial 216
Stecoah Creek 19 2.5 12 8 Perennial 1,791
SCD 19 2 5 8 Perennial 213
SCG 19 3 8 1 Perennial 0
SCH 19 2 3 2 Perennial 0
SDT 20 5 3 5 Perennial 79
SDV 20 0.5 2 3 Perennial 0
Impact Total 11,743
NOTES: Slope stakes limits are based on available LIDAR data not final survey data. Impact quantities updated in October
2020 to reflect slope stakes limits plus a 25-foot buffer.

NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 12 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Table 6: Wetland Impacts
Map
ID Sheet # NCWAM Classification Hydrologic
Classification
NCWAM
Rating
WETLAND IMPACTS
(ac)
WG 3 Headwater Forest Riparian Low 0.004
WN 5 Headwater Forest Riparian High 0.03
WO 5 Headwater Forest Riparian High 0.136
WP 5 Headwater Forest Riparian Low 0.027
WR 6 Headwater Forest Riparian High 0.086
WS 6 Non-Tidal Freshwater Marsh Riparian High 0.007
WV 6 Floodplain Pool Riparian High 0.002
WAB 7 Non-Tidal Freshwater Marsh Riparian Medium 0
WAC 7 Non-Tidal Freshwater Marsh Riparian Medium 0.002
WAD 7 Non-Tidal Freshwater Marsh Riparian High 0.238
WAE 7 Non-Tidal Freshwater Marsh Riparian Medium 0.015
WAI 8 Non-Tidal Freshwater Marsh Riparian Medium 0.001
WAJ 8 Non-Tidal Freshwater Marsh Riparian Medium 0.072
WAN 9 Seep Non-Riparian High 0.032
WAO 10 Non-Tidal Freshwater Marsh Riparian High 0.15
WAQ 10 Seep Non-Riparian High 0
WAX 11 Headwater Forest Riparian Low 0.011
WAY 11 Non-Tidal Freshwater Marsh Riparian Medium 0.039
WAZ 12 Non-Tidal Freshwater Marsh Riparian Medium 0.024
WBA 12 Non-Tidal Freshwater Marsh Riparian Medium 0
WBB 14 Headwater Forest Riparian Medium 0.007
WBV 16 Non-Tidal Freshwater Marsh Riparian Low 0.073
WBR 19 Headwater Forest Riparian Medium 0.007
Impact Total 0.963
NOTES: Slope stakes limits are based on available LIDAR data not final survey data. Impact quantities updated in October
2020 to reflect slope stakes limits plus a 25-foot buffer.

NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 13 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)

Table 7: Stream and Wetland Impacts at Major Crossings MAP ID ROUTE LAT LONG STREAM NAME FEMA STUDY TYPE DRAINAGE AREA (Mi2) DRAINAGE AREA (ac.) EXISTING STRUCTURE
(NUMBER, SIZE, STRUCTURE TYPE)
MIN. RECOMMENDED STRUCTURE
(NUMBER, SIZE, STRUCTURE TYPE) STREAM IMPACTS (ft.) w/ 25’Offset STREAM CLASS WETLAND IMPACTS (ac.) 3 NC 143 35.32366 -83.79101 Sweetwater Creek Detailed 13.70 - C-132 / 370132 3@12'x9' RCBC Retain & Extend 3@12'x9' RCBC
(@1.05) 484 WS-III -
SG N/A - - - - 32 WS-III -
4 NC 143 35.32286 -83.78753 SI N/A 0.31 198 54" CSP w/ HW 1 @6'x6' RCBC (@1.05) 243 WS-III; Tr -
5 NC 143 35.32740 -83.77253 Slay Bacon Branch N/A 0.56 358 66" CSP w/ HW 1 @7'x7' RCBC (@1.01) 90 WS-III -
Sweetwater Creek Detailed - - - - 94 WS-III -
6 NC 143 35.32865 -83.77164 Sweetwater Creek Detailed 10.70 - C-133 / 370133 3@11'X9' RCBC Retain & Extend 3@11'x9' RCBC
(@0.99) 167 WS-III -
7 NC 143 35.33232 -83.76239 Harwood Branch N/A 0.39 250 54" CSP w/ HW 3@48" RCP (@1.26) 89 WS-III -
8 NC 143 35.34053 -83.74950 Beech Creek Limited Detail 4.39 - 3@72" CSP w/ Brick HW & EW 2@10'x7' RCBC (@1.18) 121 WS-III 0.18
9 NC 143 35.34837 -83.73446 SAD N/A 0.23 147 48" CSP into 2GI U/S; 48"CSP under NC 143 3@48" RCP (@0.97) 50 WS-III; Tr -
SAE N/A - - - - 89 WS-III; Tr -
10

NC 143

35.35580

-83.73163

Sweetwater Creek N/A 1.09 698 72" CSP w/ Brick HW & EW 1 @ 8X8' RCBC (@0.96) 103 WS-III -
SAH N/A - - - - 66 WS-III; Tr -
21 NC 28 35.37318 -83.70072 Carver Branch N/A 0.62 397 1 @ 6’ x 6’ RCBC / Ex. Length 116’ 1 @ 7' x 7' RCBC (@ 1.06) 111 C -
22 NC 28 35.37313 -83.70033 SBJ N/A 0.19 122 1 @ 48” CMP 1 @ 6' x 6' RCBC (@ 0.92) 71 C -
24 NC 28 35.37088 -83.69058
Edwards Branch N/A 0.32 205 1 @ 66” CMP / Ex. Length 50’ 1 @ 6’ x 6’ RCBC 44 C -
SBV N/A - - - - 113 C -
Carver Branch Limited Detail - - - - 76 C -
25 NC 28 35.37132 -83.68092 Stecoah Creek Limited Detail 6.92 - C-3 / 370003 3@10'x9' RCBC Retain & Extend 3 @ 10'X9' RCBC
(@0.98) 124 C; Tr -
SCH N/A - - - - 0 C; Tr -
26 NC 28 35.37281 -83.67727 SDT N/A 0.15 96 1 @ 60” CMP / Ex. Length 161’ 1 @ 66" RCP (@1.00) 79 C; Tr -
NOTES: Alternatives containing Sites 1, 11 through 20, and 23 were dropped from further study at CP 2 on May 20, 2020. Impact quantities updated in October 2020 to reflect slope stakes limits plus a 25-foot buffer.

NEPA/404 MERGER TEAM MEETING
Concurrence Point Nos. 3 and 4A
November 12, 2020
Page 14 of 14

CORRIDOR K IMPROVEMENTS
WBS Element No. 32572.1.FS1
STIP Project No. A-0009C
FA No. APD-0074(178)
Table 8: Avoidance and Minimization Measures for the NCDOT Preferred Alternative (Alternative 1)
SHEET # AVOIDANCE/MINIMIZATION MEASURES
1 • 2:1 fill slope
2 • 2:1 fill slope
• Will avoid Site 2 culvert extension (permanent impacts) here by extending both headwalls vertically. May have some
temporary impacts with construction
3 • Sweetwater Creek at NC 143/Old Sweetwater Road: 2:1 fill slope; symmetrical widening to minimize overall stream impacts
due to stream geometry
• Stream SI on NC 143/Milt Williams Road: 2:1 fill slope; symmetric widening to minimize overall stream impacts due to stream
geometry
• Stream SJ at NC 143/Tatham Road: 2:1 fill slope
4 • 2:1 fill slope
• Asymmetric widening to the north at Sweetwater Creek/Slay Bacon Branch to avoid need for culvert extension on south
side of NC 143 and avoid parallel impacts to Sweetwater Creek
5 • 2:1 fill slope
• Anticipate avoiding parallel loss of Sweetwater Creek and will attempt to avoid parallel loss of SO & SN
• Anticipate extending downstream headwall vertically to limit Site 6 permanent impacts to upstream side. May have some
temporary impacts with construction
6 • 2:1 fill slope
• Anticipate avoiding parallel loss of Sweetwater Creek
• Anticipate slight alignment adjustments to minimize impacts to Cody House properties and jurisdictional features in the
vicinity
7 • 2: 1 fill slope and symmetrical widening minimizes impacts to Stream SX and John A. Cody House
• Anticipate avoiding parallel loss of Sweetwater Creek
8 • 2:1 fill slope
• Anticipate avoiding parallel loss at Sweetwater Creek
9 • 2:1 fill slope
• Anticipate avoiding parallel loss at Sweetwater Creek
10 • 2:1 slope
• Symmetric widening to minimize impacts to Stream SAF and Wetland WAO and potentially avoid relocation on south side
of NC 143
• Anticipate avoiding parallel loss of Sweetwater Creek
• Possible mitigation to be considered as the design moves forward: Final design will evaluate if shifting the alignment slightly
north is feasible with the goal of a net reduction in impacts (would reduce parallel loss of SAJ but increase in SAH and
WAQ impacts and may require residential take)
11 • 2:1 fill slope
• Retaining wall on south side of NC 143 to avoid impacts to Nathan Garland Road
12 • Retaining walls to reduce earthwork
• Alignment shifted into mountain to reduce cut slopes and avoid impacts to Streams SFF and SAV
13 • 2:1 fill slope; retaining walls
• Land bridge to avoid habitat fragmentation effects and visual impacts for Appalachian Trail users
• Tiered, benched retaining walls with aesthetic treatment to minimize visual impacts at Appalachian Trail
• Relocation of Appalachian Trail across proposed land bridge
• Minimized widening at picnic area parking lot
14 • 2:1 fill slope
• Retaining walls
15 • 2:1 fill slope
• Retaining walls
16 • 2:1 fill slope
• Retaining walls
• Possible mitigation to be considered as the design moves forward: evaluate fill wall, steepening cut slopes, and/or shifting
into cut slope on NC 143 in final design to hold shoulder point on south side of NC 143; coordinate with NCDOT
• Geotech in final design after rock sampling is complete; evaluate 6-ft total shoulder on NC 28 north of NC 143 intersection
to reduce Stream SEV impacts
17 • Alignment shifted south to minimize impacts to Stecoah Heights neighborhood
• 2:1 fill slope
• Anticipate avoiding parallel loss of Carver Branch.
• Possible mitigation to be considered as the design moves forward: both crossings are roughly perpendicular to existing NC
28, limiting options for additional mitigation that could be evaluated during final design
18 • 2:1 fill slope
• Anticipate avoiding parallel loss of Stecoah Creek.
• Possible mitigation to be considered as the design moves forward: Evaluate shifting NC 28 slightly north to reduce parallel
loss of Carver Branch, SBN and SBO.
19 • 2:1 fill slope
• Anticipate shifting alignment to the north in final design in hopes of avoiding parallel loss of Stecoah Creek (will increase
impacts to northside properties and features including Surface Water PH but overall net reduction.)
20 • 2:1 fill slope
• Channelization at Wolf Creek grocery store to minimize impacts to parking lot

Graham County
Swain County
Robbinsville
Santeetlah
SR-1226SR-1232SR-1241SR -1223SR-1112S R-1207 SR-1 2 1 4
SR-1242
SR-1239
SR -1 2 6 7S
R-1142
SR-111
1 SR-123 4
SR-1114SR -1 1 35
SR-1220SR
-1229SR-1221SR-1235
SR-1117
S R-1256S R -1138SR-1118SR -1 277
SR-1110SR
-1206SR-1147
S R -1 2 3 6
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S w eet w aterC r e e k LITTLE TENNESS
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Legend
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Project Study Area
Direct Community Impact Area
County Boundary
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USGS Streams
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US Highway
NC Highway
Secondary Roads
1
Graham County, NC Prepared by ALK on 2019-10-24Revised on 2020-08-04
Project Vicinity Map
Project Location
Client/Project
Figure No.
Title
NC DEPARTMENT OF TRANSPORTATIONDIVISION OF HIGHWAYSDIVISION 14
NCDOT - Division 14Corridor K ImprovementsSTIP Project No. A-0009C Coordinate System: NAD 1983 StatePlane North Carolina FIPS 3200 Feet0 8,000 16,0004,000 Feet1: 96,000 (At original document size of 8.5x11)
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NCDOT - Division 14Corridor K ImprovementsSTIP Project No. A-0009C
Graham County, NC
Prepared by ECL on 2020-01-13Revised by ALK on 2020-03-31
Environmental Features
C:\Users\alekennedy\Desktop\A-0009 Desktop\MXDs\A-0009C_Passing_Climbing_envfeats.mxd Revised: 2020-09-16 By: alekennedyDisclaimer: This document has been prepared based on information provided by others as cited in the Notes section. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendPassing LanesClimbing LanesHydraulic Site
ï Cemetery
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î Religious Facility
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$#Regional Underground Storage Tanks
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9
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7
NCDOT - Division 14Corridor K ImprovementsSTIP Project No. A-0009C
Graham County, NC
Prepared by ECL on 2020-01-21Revised by ALK on 2020-03-31
Environmental Features
C:\Users\alekennedy\Desktop\A-0009 Desktop\MXDs\A-0009C_Passing_Climbing_envfeats_2.mxd Revised: 2020-09-16 By: alekennedyDisclaimer: This document has been prepared based on information provided by others as cited in the Notes section. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.($$¯Project Location
Client/Project
Figure No.
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0 1,000 2,000Feet
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ï Cemetery
î Religious Facility
Historic ArchitectureRecommended Eligble
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5,144 ft
2,601 ft
3,095 ft
214 ft
2,802 ft
2,133 ft
$#
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10
2122
NCDOT - Division 14Corridor K ImprovementsSTIP Project No. A-0009C
Graham County, NC
Prepared by ECL on 2020-01-21Revised by ALK on 2020-03-31
Environmental Features
C:\Users\alekennedy\Desktop\A-0009 Desktop\MXDs\A-0009C_Passing_Climbing_envfeats_3.mxd Revised: 2020-09-16 By: alekennedyDisclaimer: This document has been prepared based on information provided by others as cited in the Notes section. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendPassing LanesClimbing LanesHydraulic SiteWater Supply Intakes
$#Regional Underground Storage Tanks
Historic ArchitectureRecommended Eligble
NRHP BoundariesAppalachian TrailPotential Jurisdictional Perennial StreamPotential Jurisdictional Intermittent StreamSelect Culverts/Pipes/BridgesPotential Jurisdictional WetlandFloodplainIndiana Bat Potential Habitat
National Forest System LandsGeologic Map Unit ZweTribal LandNatural Heritage Program AreasGame Lands
($$¯Project Location
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Figure No.
Title
0 1,000 2,000Feet
(At original document size of 11x17) 1:12,000
NC DEPARTMENT OF TRANSPORTATIONDIVISION OF HIGHWAYSDIVISION 14""28
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11,299 ft
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6,724 ft
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StecoahSchool
StecoahBaptistChurch
Boxed House
24
25
26
NCDOT - Division 14Corridor K ImprovementsSTIP Project No. A-0009C
Graham County, NC
Prepared by ECL on 2020-01-21Revised by ALK on 2020-03-31
Environmental Features
C:\Users\alekennedy\Desktop\A-0009 Desktop\MXDs\A-0009C_Passing_Climbing_envfeats_4.mxd Revised: 2020-09-16 By: alekennedyDisclaimer: This document has been prepared based on information provided by others as cited in the Notes section. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendPassing LanesClimbing LanesHydraulic Site
ï Cemetery
Stecoah Valley Center
î Religious Facility
Water Supply Intakes
Historic ArchitectureRecommended EligbleNRHP BoundariesPotential Jurisdictional Perennial StreamPotential Jurisdictional Intermittent StreamSelect Culverts/Pipes/BridgesPotential Jurisdictional WetlandFloodplain
Indiana Bat Potential HabitatNational Forest System LandsGeologic Map Unit ZweNatural Heritage Program AreasGame Lands
($$¯Project Location
Client/Project
Figure No.
Title
0 1,000 2,000Feet
(At original document size of 11x17) 1:12,000
NC DEPARTMENT OF TRANSPORTATIONDIVISION OF HIGHWAYSDIVISION 14""28
""143
£¤129
3 4
2
1
2.4
¹
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Left turn lane
1,487 ft
6,724 ft
5,162 ft
2,221 ft
#$
Robbinsville
First Baptist
Church
Mattie & John
Colvard House
ulula Cree k
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
#$
Select Culverts/Pipes/BridgesFloodplain
Floodway
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î Religious Facility
Historic Architecture
Recommended Eligble
NRHP Boundaries
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
TitleAnnotated Stream/Wetland Impacts
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.1
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Fill
Potential Jurisdictional Perennial Stream
Potential Jurisdictional Intermittent Stream
Stream SE (Intermittent)
Construction Limits + 25’ buffer: 54 linear feet
129
129
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
Liberty
Missionary
Churchî
WF
WG 3
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Potential Jurisdictional WetlandFloodplain
Floodway
î Religious Facility
NRHP Boundaries ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
28
143
129
Figure No.3.2
Legend
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Will avoid Site 2 culvert extension (permanent impacts) here by extending both
headwalls vertically. May have some temporary impacts with construction.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
WF
WG
WH
PA
WI3
4
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
Floodway
NRHP Boundaries ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.3
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 484 linear feet
Stream SG: Intermittent
Construction Limits + 25’ buffer: 32 linear feet
Wetland WG: NCWAM Low
Construction Limits + 25’ buffer: 0.004-acre
Stream SI (Perennial)
Construction Limits + 25’ buffer: 243 linear feet
Stream SJ: Intermittent
Construction Limits + 25’ buffer: 51 linear feet
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•Sweetwater Creek at NC 143/Old Sweetwater Road: 2:1 fill slope; symmetrical
widening to minimize overall stream impacts due to stream geometry.
•Stream SI on NC 143/Milt Williams Road: 2:1 fill slope; symmetric widening to
minimize overall stream impacts due to stream geometry.
•Stream SJ at NC 143/Tatham Road: 2:1 fill slope.
WJ
5
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
FloodwayWater Supply Intakes
NRHP Boundaries ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.4
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Stream SL: Intermittent
Construction Limits + 25’ buffer: 8 linear feet
TitleAnnotated Stream/Wetland Impacts
Slay Bacon Branch: Perennial
Construction Limits + 25’ buffer: 90 linear feet
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 94 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Asymmetric widening to the north at Sweetwater Creek/Slay Bacon Branch to
avoid need for culvert extension on south side of NC 143 and avoid parallel
impacts to Sweetwater Creek.
WJ
WL
PB
WM
WN
WO
WP
WQ
SO
6
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
Floodway
NRHP Boundaries ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.5
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Pigpen Branch: Perennial
Construction Limits + 25’ buffer: 101 linear feet
Wetland WN: High NCWAM Rating
Construction Limits + 25’ buffer: 0.030-acre
Wetland WO: High NCWAM Rating
Construction Limits + 25’ buffer: 0.136-acre
TitleAnnotated Stream/Wetland Impacts
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 167 linear feet
Stream SM: Perennial
Construction Limits + 25’ buffer: 22 linear feet
Stream SN: Intermittent
Construction Limits + 25’ buffer: 54 linear feet
Stream SO: Intermittent
Construction Limits + 25’ buffer: 6 linear feet
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 109 linear feet
Wetland WP: Low NCWAM Rating
Construction Limits + 25’ buffer: 0.027-acre
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Anticipate avoiding parallel loss of Sweetwater Creek and will attempt to avoid
parallel loss of SO & SN.
•Anticipate extending downstream headwall vertically to limit Site 6 permanent
impacts to upstream side. May have some temporary impacts with construction.
ï
John &Ruby
Cody House
Patton Gwynn
Denton House
WR
WTWS
WU
WV
WR WW
Cree
7
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
ï Cemetery
Historic Architecture
Recommended Eligble
NRHP Boundaries
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14
28
143
"Proposed Retaining Wall
Proposed Slope Cut"Proposed Slope Fill£¤Hydraulic SitePotential Jurisdictional Perennial Stream
129
Figure No.3.6
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of Travel
Harwood Branch: Perennial
Construction Limits + 25’ buffer: 89 linear feet
Wetland WR: High NCWAM Rating
Construction Limits + 25’ buffer: 0.086-acre
Stream SR: Perennial
Construction Limits + 25’ buffer: 58 linear feet
Stream SS: Intermittent
Construction Limits + 25’ buffer: 29 linear feet
Stream ST: Perennial
Construction Limits + 25’ buffer: 36 linear feet
Wetland WS: High NCWAM Rating
Construction Limits + 25’ buffer: 0.007-acre
Wetland WV: High NCWAM Rating
Construction Limits + 25’ buffer: 0.002-acre
Stream SV: Intermittent
Construction Limits + 25’ buffer: 44 linear feet
TitleAnnotated Stream/Wetland Impacts
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 282 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Anticipate avoiding parallel loss of Sweetwater Creek.
•Anticipate slight alignment adjustments to minimize impacts to Cody House
properties and jurisdictional features in the vicinity.
î
Cheoah
Historic District
Sweetwater
Baptist
Church
John A.
CodyHousePC
PD
WZ
WAAWAA
WAA
WAC
WAD WAEX
8
WAB
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
î
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
Religious Facility
Historic Architecture
Recommended Eligble
Contributing
Recommended Eligible District
NRHP Boundaries
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"82
"341£¤129
Figure No.3.7
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Stream SX: Perennial
Construction Limits + 25’ buffer: 37 linear feet
Beech Creek: Perennial
Construction Limits + 25’ buffer: 121 linear feet
Wetland WAC: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.002-acre
Wetland WAD: High NCWAM Rating
Construction Limits + 25’ buffer: 0.238-acre
Wetland WAE: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.015-acre
TitleAnnotated Stream/Wetland Impacts
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 279 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2: 1 fill slope and symmetrical widening minimizes impacts to Stream SX and
John A. Cody House.
•Anticipate avoiding parallel loss of Sweetwater Creek.PinhookRoad
WAE
WAE
WAF
WAF WAF WAH
WAH
WAH
PE
WAI
WAJ
WAJ
WAJWAJ
WAF WAG
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
Recommended Eligible District
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143
¤£129
Figure No.3.8
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Potential Jurisdictional Perennial Stream
Stream SZ: Perennial
Construction Limits + 25’ buffer: 79 linear feet
Stream SY: Perennial
Construction Limits + 25’ buffer: 34 linear feet
Stream SAA: Perennial
Construction Limits + 25’ buffer: 38 linear feet
Wetland WAJ: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.072-acre
Wetland WAI: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.001-acre
TitleAnnotated Stream/Wetland Impacts
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 354 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Anticipate avoiding parallel loss at Sweetwater Creek.
WAJ
WAJ WAJ WAK
Randolph-Stewart
House
WAM
WAN9
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
Historic Architecture
Recommended Eligble
NRHP Boundaries ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"82
143
Proposed Slope Cut"Proposed Slope Fill£¤Hydraulic SitePotential Jurisdictional Perennial Stream
129
Figure No.3.9
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of Travel
Proposed Retaining Wall
Stream SAB: Perennial
Construction Limits + 25’ buffer: 30 linear feet
Stream SAC: Intermittent
Construction Limits + 25’ buffer: 45 linear feet
Stream SAD: Perennial
Construction Limits + 25’ buffer: 50 linear feet
Stream SAE: Perennial
Construction Limits + 25’ buffer: 89 linear feet
Wetland WAN: High NCWAM Rating
Construction Limits + 25’ buffer: 0.032-acre
TitleAnnotated Stream/Wetland Impacts
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 385 linear feet
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 787 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Anticipate avoiding parallel loss at Sweetwater Creek.
WAP
WAO WAOWAO
WAQWAQ
WAR PF
S10
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"82
"341£¤129
Figure No.3.10
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Stream SAF: Perennial
Construction Limits + 25’ buffer: 230 linear feet
Wetland WAO: High NCWAM Rating
Construction Limits + 25’ buffer: 0.15-acre
Stream SAG: Perennial
Construction Limits + 25’ buffer: 63 linear feet
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 103 linear feet
Stream SAH: Intermittent
Construction Limits + 25’ buffer: 66 linear feet
Stream SAK: Perennial
Construction Limits + 25’ buffer: 37 linear feet
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 slope.
•Symmetric widening to minimize impacts to Stream SAF and Wetland WAO and
potentially avoid relocation on south side of NC 143.
•Anticipate avoiding parallel loss of Sweetwater Creek.
•Possible mitigation to be considered as the design moves forward: Final design
will evaluate if shifting the alignment slightly north is feasible with the goal of a
net reduction in impacts (would reduce parallel loss of SAJ but increase in SAH
and WAQ impacts and may require residential take).
Stream SAJ: Perennial
Construction Limits + 25’ buffer: 484 linear feet
WAS
WAV WAW
WAX
WAY
WBZ
S
eetwater Cree
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
National Forest System LandsGame Lands
Tribal Land
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.11
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Potential Jurisdictional Perennial Stream
Stream SAM: Perennial
Construction Limits + 25’ buffer: 137 linear feet
Stillhouse Branch: Perennial
Construction Limits + 25’ buffer: 43 linear feet
Wetland WAX: Low NCWAM Rating
Construction Limits + 25’ buffer: 0.011-acre
Sweetwater Creek: Perennial
Construction Limits + 25’ buffer: 28 linear feet
Stream SAT: Perennial
Construction Limits + 25’ buffer: 53 linear feet
Wetland WAY: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.039-acre
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Retaining wall on south side of NC 143 to avoid impacts to Nathan Garland Road.
WAY
WAZ
WBA
WBZ
WBZ
AY
Graham County,NC
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Appalachian Trail Conceptual Realignment (50-ft Study Corridor)
National Forest System LandsGame Lands
Tribal Land
ProjectLocation
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.12
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Potential Jurisdictional Perennial Stream
Wetland WAZ: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.024-acre
Stream SBA: Perennial
Construction Limits + 25’ buffer: 63 linear feet
TitleAnnotated Stream/Wetland Impacts
Stream SAX: Perennial
Construction Limits + 25’ buffer: 113 linear feet
Stream SAY: Perennial
Construction Limits + 25’ buffer: 77 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•Retaining walls to reduce earthwork.
•Alignment shifted into mountain to reduce cut slopes and avoid impacts to
Streams SFF and SAV.
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Appalachian Trail
Appalachian Trail Conceptual Realignment (50-ft Study Corridor)
National Forest System Lands
Natural Heritage Program AreasGame Lands
NRHP Boundaries
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.13
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Land Bridge
Proposed Slope Cut
Proposed Slope Fill
Potential Jurisdictional Perennial Stream TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope; retaining walls.
•Land bridge to avoid habitat fragmentation effects and visual impacts for
Appalachian Trail users.
•Tiered, benched retaining walls with aesthetic treatment to minimize visual
impacts at Appalachian Trail.
•Relocation of Appalachian Trail across proposed land bridge.
•Minimized widening at picnic area parking lot.
WBB
Graham County,NC
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Appalachian Trail
Appalachian Trail Conceptual Realignment (50-ft Study Corridor)
National Forest System Lands
Game Lands
Water Supply Intakes
NRHP Boundaries
ProjectLocation
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.14
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Potential Jurisdictional Perennial Stream
Stream SBB: Intermittent
Construction Limits + 25’ buffer: 114 linear feet
Wetland WBB: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.007-acre
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Retaining walls.
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Select Culverts/Pipes/Bridges
National Forest System Lands
Game Lands
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143
¤£129
Figure No.3.15
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Potential Jurisdictional Perennial Stream
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Retaining walls.
WBX
WBV
WBW
Jo
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
National Forest System Lands
Indiana Bat Potential Habitat
Game Lands
Geologic Map Unit Zwe
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"28
"143£¤129
Figure No.3.16
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Potential Jurisdictional Perennial Stream
Stream SBG: Intermittent
Construction Limits + 25’ buffer: 166 linear feet
Wetland WBV: Low NCWAM Rating
Construction Limits + 25’ buffer: 0.007-acre
Stream SEY: Intermittent
Construction Limits + 25’ buffer: 30 linear feet
Stream SEZ: Intermittent
Construction Limits + 25’ buffer: 114 linear feet
Stream SFA: Intermittent
Construction Limits + 25’ buffer: 25 linear feet
Carver Branch: Perennial
Construction Limits + 25’ buffer: 262 linear feet
TitleAnnotated Stream/Wetland Impacts
Stream SBC: Perennial
Construction Limits + 25’ buffer: 80 linear feet
Stream SEV: Intermittent
Construction Limits + 25’ buffer: 370 linear feet
Johnson’s Gap Branch: Perennial
Construction Limits + 25’ buffer: 278 linear feet
Stream SEX: Intermittent
Construction Limits + 25’ buffer: 45 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Retaining walls.
•Possible mitigation to be considered as the design moves forward: evaluate fill
wall, steepening cut slopes, and/or shifting into cut slope on NC 143 in final
design to hold shoulder point on south side of NC 143; coordinate with NCDOT
Geotech in final design after rock sampling is complete; evaluate 6-ft total
shoulder on NC 28 north of NC 143 intersection to reduce Stream SEV impacts.
PK
21 22
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
#$
Select Culverts/Pipes/Bridges
Indiana Bat Potential Habitat
Geologic Map Unit Zwe
Regional Underground Storage Tanks
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"82
"341£¤129
Figure No.3.17
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Carver Branch: Perennial
Construction Limits + 25’ buffer: 111 linear feet
Stream SBJ: Perennial
Construction Limits + 25’ buffer: 71 linear feet
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•Alignment shifted south to minimize impacts to Stecoah Heights neighborhood.
•2:1 fill slope.
•Anticipate avoiding parallel loss at Carver Branch.
•Possible mitigation to be considered as the design moves forward: both
crossings are roughly perpendicular to existing NC 28, limiting options for
additional mitigation that could be evaluated during final design.
StecoahîBaptist
Church
WBT
WBS
PJ PI tecoah Cree
Carv 24
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
î
Indiana Bat Potential Habitat
Geologic Map Unit Zwe
Water Supply Intakes
Religious Facility
Historic Architecture
Recommended Eligble
NRHP Boundaries ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"82
"341£¤129
Figure No.3.18
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Stream SBN: Perennial
Construction Limits + 25’ buffer: 183 linear feet
Stream SBO: Intermittent
Construction Limits + 25’ buffer: 206 linear feet
Stream SBV: Perennial
Construction Limits + 25’ buffer: 152 linear feet
Carver Branch: Perennial
Construction Limits + 25’ buffer: 634 linear feet
TitleAnnotated Stream/Wetland Impacts
Edwards Branch: Perennial
Construction Limits + 25’ buffer: 233 linear feet
Stream SBZ: Intermittent
Construction Limits + 25’ buffer: 48 linear feet
Carver Branch: Perennial
Construction Limits + 25’ buffer: 191 linear feet
Edwards Branch: Perennial
Construction Limits + 25’ buffer: 44 linear feet
Stream SBV: Perennial
Construction Limits + 25’ buffer: 21 linear feet
Carver Branch: Perennial
Construction Limits + 25’ buffer: 189 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Anticipate avoiding parallel loss of Stecoah Creek.
•Possible mitigation to be considered as the design moves forward: Evaluate
shifting NC 28 slightly north to reduce parallel loss of Carver Branch, SBN and
SBO.
ï
PG
PH
WBR PM
PL
25
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
Indiana Bat Potential Habitat
ï
Geologic Map Unit Zwe
Water Supply Intakes
Cemetery
NRHP Boundaries
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400 Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"82
"341£¤129
Figure No.3.19
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Stecoah Creek: Perennial
Construction Limits + 25’ buffer: 1,791 linear feet
Stream SCB: Perennial
Construction Limits + 25’ buffer: 216 linear feet
Wetland WBR: Medium NCWAM Rating
Construction Limits + 25’ buffer: 0.073-acre
TitleAnnotated Stream/Wetland Impacts
Stream SCD: Perennial
Construction Limits + 25’ buffer: 213 linear feet
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Anticipate shifting alignment to the north in final design in hopes of avoiding
parallel loss of Stecoah Creek (will increase impacts to northside properties and
features including Surface Water PH but overall net reduction).
WBL
WBJ
WBK
PG
WBM
26
Prepared by ALK on 2020-07-23 Reviewed by ECL on 2020-07-23
Potential Jurisdictional Intermittent Stream
Select Culverts/Pipes/Bridges
Potential Jurisdictional Wetland
Floodplain
Indiana Bat Potential Habitat
Geologic Map Unit Zwe
Water Supply Intakes
ProjectLocation
Graham County,NC
Client/ProjectNCDOT -Division 14Corridor K Improvements STIP Project No.A-0009C
0 200 400Feet
(At original document size of 11x17) 1:2,400
NC DEPARTMENT OF TRANSPORTATION DIVISION OF HIGHWAYSDIVISION14"82
"143£¤129
Figure No.3.20
Disclaimer:This document has been prepared based on information provided by others. Stantec has not verified the accuracy and/or completeness of this information and shall not be responsible for any errors or omissions which may be incorporated herein as a result. Stantec assumes no responsibility for data supplied in electronic format, and the recipient accepts full responsibility for verifying the accuracy and completeness of the data.
LegendProposed Edge of TravelProposed Retaining Wall
Proposed Slope Cut
Proposed Slope Fill
Hydraulic Site
Potential Jurisdictional Perennial Stream
Stream SDT: Perennial
Construction Limits + 25’ buffer: 79 linear feet
TitleAnnotated Stream/Wetland Impacts
AVOIDANCE & MINIMIZATION MEASURES SPECIFIC TO THIS SHEET:
•2:1 fill slope.
•Channelization at Wolf Creek grocery store to minimize impacts to parking lot.