19990930 Ver 1_401 Application_19990827

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STATE OF NORTH CAROLINA
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DEPARTMENT OF TRANSPORTATION /
JAMES B. HUNT JR. P.O. BOX 25201, RALEIGH, N.C. 27611-5201 DAVID MCCOY
GOVERNOR SECRETARY
August 17, 1999 PAYMENT

U.S. Army Corps of Engineers RECEIVED
Raleigh Regulatory Field Office
6508 Falls of Neuse Road
Suite 120
Raleigh, NC 27615

ATTN: Mr. Eric Alsmeyer
NCDOT Coordinator

Dear Sir:

SUBJECT: NATIONWIDE PERMITS 14 AND 26 APPLICATION FOR THE ELON COLLEGE
BYPASS IN ALAMANCE COUNTY. TIP U-2406.

Attached is the application packet for the subject project. The North Carolina Department of
Transportation (NCDOT) proposes to construct on new location the NC 100 Bypass of Elon College.
The project extends from a proposed tee intersection with existing NC 100, 900 feet east of Cook
Road, to the NC 100 - NC 87 intersection at Glen Raven, a total of approximately 3.0 miles. The
proposed roadway consists of a two-lane, 24-foot roadway with 4-foot paved shoulders. The analysis
of alternatives and the environmental impacts are discussed in an Environmental Assessment and
Finding Of No Significant Impact, signed by the Federal Highway Administration (FHWA) on
November 16, 1994 and October 31, 1995, respectively. The State Project Number is 8.2471101 and
the Federal Aid Project Number is STP-MAM-M-5102(1).
ENVIRONMENTAL IMPACTS

Jurisdictional Wetlands. The project will impact 9 wetlands. Wetland delineations were
conducted by NCDOT biologists using the criteria specified in the 1987 Corps of Engineers Wetland
Delineation Manual. Ms. Jean Manuele from the USACE Raleigh office verified the wetland
delineation on July 2, 1996. The Division of Water Quality (DWQ) rating system was applied to each
wetland site. Each wetland was also classified according to the United States Fish and Wildlife
Service wetland classification (Cowardin, 1979) system and the North Carolina Department of
Environment, Health, and Natural Resources, Division of Environmental Management;

2

Field Guide to North Carolina Wetlands (Report No. 96-01, 1996). Table 1 shows the
wetland communities, quality analysis, and acres of impact for each section of the project.

TABLE 1. Elon College Bypass: Wetland Communities, Quality Analysis, and Total
Impacts
Site Cowardin NCDENR - DWQ DWQ Acres
Classification Classification Rating Impacted
1 PFO 1 /EM 1 C Headwater Forest 52 0.36
2 PSS 1 C Headwater Forest 31 0.20
3 PFO 1 C Headwater Forest 39 0.20
4 PFO 1 C # Headwater Forest 29 0.06
5 PFO1C Headwater Forest 37 0.24
6 PFO 1 A Headwater Forest 31 0.17
7 PFO 1 C Headwater Forest 31 0.17
8 PFO 1 C Headwater Forest 29 0.46
9 PFO 1 C Headwater Forest 29 0.08
TOTAL 1.94
PFOI/EMIC - Palustrine Forested Broad-leaved Deciduous / Emergent Persistent Seasonally
Flooded
PSS1C - Palustrine Scrub-Shrub Broad-leaved Deciduous Seasonally Flooded
PFO1 C - Palustrine Forested Broad-leaved Deciduous Seasonally Flooded
PFOIA - Palustrine Forested Broad-leaved Deciduous Temporarily Flooded

The wetland vegetation was similar throughout the project. The forested sites
(PFOI) and the scrub shrub site (PSS1) supported basically the same vegetation but in
different successional stages. Tree species included sweet gum (Liquidambar
styraciflua), red maple (Acer rubrum), willow oak (Quercus phellos), and black willow
(Salix nigra). The shrub species included all the tree species, ironwood (Carpinus
caroliniana), Chinese privet (Ligustrum sinense), black cherry (Prunus serotina), green
ash (Fraxinus pennsylvanica), and Brookside alder (Alnus serulata). The herbaceous and
vine layers contain seedling tree and shrub species, Japanese honeysuckle (Lonicera
japonica), soft rush (Juncus effusus), sedges (Carex sp.), microstegium (Microstegium
sp.), and poison ivy (Toxicodendron radicans).

The herbaceous wetland (Site 1) was found along the power line easement portion
of the wetland. Soft rush (Juncus effusus), sedges (Carex sp.), woolgrass (Scirpus
cyperinus), Virginia chain-fern (Woodwardia areolata) and microstegium are the
dominant vegetation in these areas.

The "Acres Impacted" column in Table 1 reflects permanent fill, excavation, and
mechanized clearing in wetlands and are further itemized in the summary sheets. The
total impact for the project is 1.94 acres. Method III clearing, which is clearing 10 feet
beyond the edge of the fill slopes, will be used throughout the project.

Jurisdictional Surface Waters: Impacts to jurisdictional surface waters have been
separated from jurisdictional wetlands. Ms. Cyndi Bell of the DWQ and you performed
the stream jurisdictional delineations on February 26, 1998 and noted eleven
jurisdictional surface waters, of which nine were mitigable. Table 2 lists the acres of
impact and the linear feet of channel loss for the nine mitigable streams while the
summary sheet (sheet 15 of 20) lists all eleven. Please note that the summary sheet also
states a 0.09 acre pond (0.036 ha) will be filled. This pond has been previously drained
and no longer exists. The total channel loss for the project is 2206 linear feet. However,
459 linear feet will be created on site, resulting in a net loss of 1747 linear feet of stream
channel.

TABLE 2. Elon College Bypass - Surface Water Impacts
Site Water Body Channel Impact Channel Replaced Channel Net Loss
(linear feet) (linear feet) (linear feet)
Zy 1 UT to Travis Creek 141 141
2 Dry Creek 197 197
0 4 UT to Dry Creek 148 148
0 5 UT to Dry Creek 190 190
-,0 7 UT to Dry Creek 139 139
8 UT to Dry Creek 282 269 13
,,10 UT to Travis Creek 203 203
11 UT to Dry Creek 663 190 473
1412 UT to Dry Creek 243 243
SUBTOTALS 2206 459 1747
Threatened And Endangered Species. As of May 13, 1999, there were no
threatened or endangered species listed for Alamance County.

Cultural Resources. In a letter dated January 2, 1993, the State Historic
Preservation Office (SHPO) concluded there were no historic properties within the area
of potential effect (APE) eligible, either individually or as a complex, for the National
Register. In a letter dated February 23, 1993, SHPO concluded the proposed roadway
would not affect any significant archaeological resources.

MITIGATION OPTIONS

The USACE has adopted, through the Council on Environmental Quality (CEQ),
a wetland mitigation policy that embraces the concept of "no net loss of wetlands" and
sequencing. Mitigation of jurisdictional impacts has been defined by the CEQ to include

avoiding impacts, minimizing impacts, and compensating for impacts.

Avoidance & Minimization. The NCDOT has employed many avoidance and
minimization strategies that are detailed in the EA/FONSI. NCDOT was able to design
most all of the crossings of surface waters (except Site 9) and wetlands at roughly
perpendicular angles. In addition, 2:1 fill slopes were employed in wetlands and ditching

4

was successfully avoided in all areas except site 9. Stream relocations will employ the
bioengineering techniques detailed in sheets 18-20 of 20.

Compensation: NCDOT is proposing to pay the Wetlands Restoration Program
(WRP) to provide the mitigation for this project. Specifically, a 2:1 ratio was used for
both wetland and stream restoration resulting in 3.88 acres of wetland mitigation and
3494 feet of stream restoration. A copy of the letter requesting concurrence from the
WRP is attached.

It is requested that these activities will be permitted under a Section 404
Nationwide Permit 14 except for the crossings at sites 1 and 8 where a Nationwide Permit
26 is requested. By copy of this letter, we are also requesting a 401 General Water
Quality Certification from the NC Division of Water Quality. If you have any questions
or need any additional information, please contact Mr. Michael Wood at [phone].

Sincerely,

I/ C

k ` William D. Gilmore, PE, Manager
Planning & Environmental Branch

WDG/mgw

cc: Mr. David Franklin, COE
Mr. John Dorney, NCDWQ
Mr. David Cox, NCWRC
Mr. John Heffner, USFWS
Ms. Debbie Barbour, P.E., Roadway Design
Mr. Calvin Leggett, P.E., Program Development
Mr. R. L. Hill, P.E., Design Services
Mr. A. L. Hankins, P.E., Hydraulics
Mr. William J. Rogers, P.E., Structure Design
Mr. Randy Wise, P.E., Road Side Environmental
Mr. J. W. Watkins, P.E., Division 7 Engineer

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DEM ID: CORPS ACTION ID:

NATIONWIDE PERMIT REQUESTED (PROVIDE NATIONWIDE PERMIT 14 & 26

PRE-CONSTRUCTION NOTIFICATION APPLICATION
FOR NATIONWIDE PERMITS THAT REQUIRE:

1) NOTIFICATION TO THE CORPS OF ENGINEERS
2) APPLICATION FOR SECTION 401 CERTIFICATION
3) COORDINATION WITH THE NC DIVISION OF COASTAL MANAGEMENT
SEND THE ORIGINAL AND (1) COPY OF THIS COMPLETED FORM TO THE APPROPRIATE
FIELD OFFICE OF THE CORPS OF ENGINEERS (SEE AGENCY ADDRESSES SHEET).
SEVEN (7) COPIES SHOULD BE SENT TO THE N.C. DIVISION OF ENVIRONMENTAL
MANAGEMENT (SEE AGENCY ADDRESSES SHEET). PLEASE PRINT.

1. OWNERS NAME: NC Dept. of Transportation; Planning & Environmental

2. MAILING ADDRESS: Post Office Box 25201
SUBDIVISION NAME:
CITY: Raleigh STATE: NC ZIP CODE: 25201
PROJECT LOCATION ADDRESS, INCLUDING SUBDIVISION NAME (IF DIFFERENT
FROM MAILING ADDRESS ABOVE):

3. TELEPHONE NUMBER (HOME): (WORK): 919-733-3141

4. IF APPLICABLE: AGENT'S NAME OR RESPONSIBLE CORPORATE OFFICIAL,
ADDRESS, PHONE NUMBER:

William D. Gilmore , P.E., Manager

5. LOCATION OF WORK (PROVIDE A MAP, PREFERABLY A COPY OF USGS
TOPOGRAPHIC MAP OR AERIAL PHOTOGRAPHY WITH SCALE):
COUNTY: Alamance NEAREST TOWN OR CITY: Elon College

1

SPECIFIC LOCATION (INCLUDE ROAD NUMBERS, LANDMARKS, ETC.):

Construction of the NC 100 Bypass of Elon College from a proposed

Tee intersection with existing NC 100, 900 feet east of Cook Rd,

To the NC 100 - NC 87 intersection in Glen Raven.
6. IMPACTED OR NEAREST STREAM/RIVER: Dry Creek
RIVER BASIN: Cape Fear

7a. IS PROJECT LOCATED NEAR WATER CLASSIFIED AS TROUT, TIDAL SALTWATER
(SA), HIGH QUALITY WATERS (HQW), OUTSTANDING RESOURCE WATERS (ORW),
WATER SUPPLY (WS-I OR WS-II)? YES [ ] NO [X] IF YES, EXPLAIN:

7b. IS THE PROJECT LOCATED WITHIN A NORTH CAROLINA DIVISION OF COASTAL
MANAGEMENT AREA OF ENVIRONMENTAL CONCERN (AEC)?YES[ ] NO[X]

7c. IF THE PROJECT IS LOCATED WITHIN A COASTAL COUNTY (SEE PAGE 7 FOR
LIST OF COASTAL COUNTIES), WHAT IS THE LAND USE PLAN (LUP) DESIGNATION?
No
8a. HAVE ANY SECTION 404 PERMITS BEEN PREVIOUSLY REQUESTED FOR USE ON
THIS PROPERTY? YES [ ] NO [X] IF YES, PROVIDE ACTION I.D. NUMBER OF
PREVIOUS PERMIT AND ANY ADDITIONAL INFORMATION (INCLUDE PHOTOCOPY OF 401
CERTIFICATION):

8b. ARE ADDITIONAL PERMIT REQUESTS EXPECTED FOR THIS PROPERTY IN THE
FUTURE? YES [ ] NO [X] IF YES, DESCRIBE ANTICIPATED WORK:

9a. ESTIMATED TOTAL NUMBER OF ACRES IN TRACT OF LAND: N/A

9b. ESTIMATED TOTAL NUMBER OF ACRES OF WETLANDS LOCATED ON PROJECT
SITE:
1.94 acres

2

10a. NUMBER OF ACRES OF WETLANDS IMPACTED BY THE PROPOSED PROJECT BY:

FILLING: 1.94 EXCAVATION: 0

FLOODING: 0 OTHER: 0
DRAINAGE: TOTAL ACRES TO BE IMPACTED: 1.94

10b. (1) STREAM CHANNEL TO BE IMPACTED BY THE PROPOSED PROJECT (IF
RELOCATED, PROVIDE DISTANCE BOTH BEFORE AND AFTER RELOCATION):

LENGTH BEFORE: 2206 FT AFTER: 459 FT
WIDTH BEFORE (based on normal high water contours): Variable FT

WIDTH AFTER: Variable FT

AVERAGE DEPTH BEFORE: Variable FT AFTER: Variable FT

(2) STREAM CHANNEL IMPACTS WILL RESULT FROM: (CHECK ALL THAT APPLY)
OPEN CHANNEL RELOCATION: X PLACEMENT OF PIPE IN CHANNEL: X
CHANNEL EXCAVATION: X CONSTRUCTION OF A DAM/FLOODING:
OTHER:

11. IF CONSTRUCTION OF A POND IS PROPOSED, WHAT IS THE SIZE OF THE
WATERSHED DRAINING TO THE POND?
WHAT IS THE EXPECTED POND SURFACE AREA?
12. DESCRIPTION OF PROPOSED WORK INCLUDING DISCUSSION OF TYPE OF
MECHANICAL EQUIPMENT TO BE USED (ATTACH PLANS: 8 1/2" X 11" DRAWINGS
ONLY): Construction of a two-lane, 24 foot roadway with 4-foot

paved shoulders on new location. Standard road building equipment
including heavy duty trucks, dozer, crane.

13. PURPOSE OF PROPOSED WORK: Public Transportation

3

14. STATE REASONS WHY IT IS BELIEVED THAT THIS ACTIVITY MUST BE CARRIED
OUT IN WETLANDS. (INCLUDE ANY MEASURES TAKEN TO MINIMIZE WETLAND
IMPACTS):

Project crosses jurisdictional waters of the United States.

Minimization efforts are outlined in environmental documents and
Attached cover letter.

15. YOU ARE REQUIRED TO CONTACT THE U.S. FISH AND WILDLIFE SERVICE
(USFWS) AND/OR NATIONAL MARINE FISHERIES SERVICE (NMFS) (SEE AGENCY
ADDRESSES SHEET) REGARDING THE PRESENCE OF ANY FEDERALLY LISTED OR
PROPOSED FOR LISTING ENDANGERED OR THREATENED SPECIES OR CRITICAL
HABITAT IN THE PERMIT AREA THAT MAY BE AFFECTED BY THE PROPOSED PROJECT.
DATE CONTACTED: see EA/FONSI (ATTACH RESPONSES FROM THESE AGENCIES.)
16. YOU ARE REQUIRED TO CONTACT THE STATE HISTORIC PRESERVATION OFFICER
(SHPO) (SEE AGENCY ADDRESSES SHEET) REGARDING THE PRESENCE OF HISTORIC
PROPERTIES IN THE PERMIT AREA WHICH MAY BE AFFECTED BY THE PROPOSED
PROJECT. DATE CONTACTED: See EA/FONSI
17. DOES THE PROJECT INVOLVE AN EXPENDITURE OF PUBLIC FUNDS OR THE USE
OF PUBLIC (STATE) LAND?

YES [X] NO (IF NO, GO TO 18)
a. IF YES, DOES THE PROJECT REQUIRE PREPARATION OF AN
ENVIRONMENTAL DOCUMENT PURSUANT TO THE REQUIREMENTS OF THE NORTH
CAROLINA ENVIRONMENTAL POLICY ACT?

YES [X] NO
b. IF YES, HAS THE DOCUMENT BEEN REVIEWED THROUGH THE NORTH
CAROLINA DEPARTMENT OF ADMINISTRATION STATE CLEARINGHOUSE?

YES [X] NO

IF ANSWER TO 17b IS YES, THEN SUBMIT APPROPRIATE DOCUMENTATION FROM THE
STATE CLEARINGHOUSE TO DIVISION OF ENVIRONMENTAL MANAGEMENT REGARDING
COMPLIANCE WITH THE NORTH CAROLINA ENVIRONMENTAL POLICY ACT.
QUESTIONS REGARDING THE STATE CLEARINGHOUSE REVIEW PROCESS SHOULD BE
DIRECTED TO MS. CHRYS BAGGETT, DIRECTOR STATE CLEARINGHOUSE, NORTH
CAROLINA DEPARTMENT OF ADMINISTRATION, 116 WEST JONES STREET, RALEIGH,
NORTH CAROLINA 27603-8003, TELEPHONE (919) 733-6369.

4

• 18. THE FOLLOWING ITEMS SHOULD BE INCLUDED WITH THIS APPLICATION IF
PROPOSED ACTIVITY INVOLVES THE DISCHARGE OF EXCAVATED OR FILL MATERIAL
INTO WETLANDS:

a. WETLAND DELINEATION MAP SHOWING ALL WETLANDS, STREAMS, LAKES
AND PONDS ON THE PROPERTY (FOR NATIONWIDE PERMIT NUMBERS 14, 18, 21,
26, 29, AND 38). ALL STREAMS (INTERMITTENT AND PERMANENT) ON THE
PROPERTY MUST BE SHOWN ON THE MAP. MAP SCALES SHOULD BE 1 INCH EQUALS
50 FEET OR 1 INCH EQUALS 100 FEET OR THEIR EQUIVALENT.
b. IF AVAILABLE, REPRESENTATIVE PHOTOGRAPH OF WETLANDS TO BE
IMPACTED BY PROJECT.
C. IF DELINEATION WAS PERFORMED BY A CONSULTANT, INCLUDE ALL DATA
SHEETS RELEVANT TO THE PLACEMENT OF THE DELINEATION LINE.
d. ATTACH A COPY OF THE STORMWATER MANAGEMENT PLAN IF REQUIRED.
e. WHAT IS LAND USE OF SURROUNDING PROPERTY? Varialbe, but
mostly rural
f. IF APPLICABLE, WHAT IS PROPOSED METHOD OF SEWAGE DISPOSAL?

N/A

g. SIGNED AND DATED AGENT AUTHORIZATION LETTER, IF APPLICABLE.

NOTE: WETLANDS OR WATERS OF THE U.S. MAY NOT BE IMPACTED PRIOR TO:
1) ISSUANCE OF A SECTION 404 CORPS OF ENGINEERS PERMIT,
2) EITHER THE ISSUANCE OR WAIVER OF A 401 DIVISION OF
ENVIRONMENTAL MANAGEMENT (WATER QUALITY) CERTIFICATION, AND
3) (IN THE TWENTY COASTAL COUNTIES ONLY), A LETTER FROM THE
NORTH CAROLINA DIVISION OF COASTAL MANAGEMENT STATING THE PROPOSED
ACTIVITY IS CONSISTENT WITH THE NORTH CAROLINA COASTAL MANAGEMENT
PROGRAM.

OWNER'S/AGENT'S SIGNATURE DATE

(AGENT'S SIGNATURE VALID ONLY
IF AUTHORIZATION LETTER FROM
THE OWNER IS PROVIDED (18g.))

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NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
DIVISION OF HIGHWAYS
ALAMANCE COUNTY

V 1 C IAl J T y mA 8.24722301 U-2406
N, T. S,
RELOCATION OF NC 100 FROM COOK ROAD TO NC 87
NEAR GLEN RAVEN

SCALE AS SHOWN

SHEET 2 OF 20 JUNE 1999

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ALAMANCE COUNTY
PROJECT: 8.2471101 (U-2406)

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ELIZABETH A. LOY
SHEET 6 OF 20
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O PROJECT: 8.2471101 (U-2406)

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DENOTES FILL IN
SITE SITE q SURFACE WATERS ALAMANCE COUNTY
A
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\ ANNIE BLUE McADAMS DENOTES FILL IN
f ` SURFACE WATERS ALAMANCE COUNTY
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PROJECT: 8.2471101 (U-2406)
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5m 0 /Om FROM COOK ROAD
SCALE AREA DISTURBED DUE TO TO NC 87 NEAR GLEN RAVEN
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PLAN VIEW
NATURAL CHANNEL DESIGN M /
O 1 . 2 TO 1 . 8 BASE DITCH
O O lp /
+ A2j,2E
E. JOSEPH & i s 6•~6 PEGGY H. PAGE
KAYE C. MURF3
f H:
CLASS 'I' RIP RAP

5
!,E a518~ ~~E 68'07' - -
p 4--
E~~N 0 - -
I ; G\~~ ~r? `
o I.\\ \ F
~~Q----
1.8 BASE HEAD DITCH
- W/ CL '1' RIP RAP
PROP- R/W

G r ELON COLLEGE SITE 11 <<~\

N. C. DEPT. OF TRANSPORTATION
\J° DIVISION OF HIGHWAYS
/om 0 20m '~~~\s PEGGY H. PAGE ALAMANCE COUNTY
SCALE PROJECT: 8.2471101 (U-2406)
RELOCATION OF NC 100
DENOTES FILL IN SURFACE WATERS
E FROM COOK ROAD
TO NC 87 NEAR GLEN RAVEN
SHEET 13 OF 20

"it

1011 ~

rrll
111
PLAN VIEW
;i. NELLIE J. ISLEY, HEIRS Q5
h, 0
i + NELLIE J. ISLEY, HEIRS

I
F F
I
'
J`
~r 2.7 ---x 1_8 RCBC

149.139 (DEED)
N89'OS NI'W
1-5
F
F
i? Vii. \OJ ,
ELON COLLEGE
CITY LIMITS I/ N. C. DEPT.OF TRANSPORTATION
s DIVISION OF HIGHWAYS
% O5 NELLIE J. ISLEY, HEIRS ALAMANCE COUNTY
E; ELON COLLEGJI-" \N
61; O i 2 PROJECT: 8.271101 (U-2406)
DENOTES FILL IN SURFACE WATERS
f o\a RELOCATION OF NC 100
5m 0 /om\o FROM COOK ROAD
SITE 12 TO NC 87 NEAR GLEN RAVEN
SCALE \~`Q SHEET 14 OF 20
c,

f •
M~'I SUMMARY

WETLAND IMPACTS SURFACE WATER IMPACTS
'I
SITE NO. STATION STRUCTURE FILL IN TEMP. FILL EXCAVATION INTERCHANGE MECHANIZED FILL IN SW FILL IN SW EXISTING RELOCATED ENCLOSED
SIZE WETLANDS IN WETLANDS IN WETLANDS ISOLATED CLEARING (NATURAL) (POND) CHANNEL CHANNEL CHANNEL
li (ha) (ha) (ha) WETLAND (METHOD 111) (ha) (ha) FILLED (m) (m)
(ha) (ha) m)
1 16+70+/- 1650 RCP 0.13 0.017 0.006 43 42
F 2 27+60+/- 1350 RCP 0.07 0.01 0.007 60 42
:f
I 3 29+40+/- 1050 RCP 0.067 0.011 0.010 68 52.8
4 36+60+/- 1200 RCP 0.019 0.005 0.005 45 43.2
5 45+20+/- 1050 RCP 0.08 0.015 0.006 58 58.8
E
6 47+70+/ - 0.07
1.,! 7 48+30+/- 1200 RCP 0.059 0.01 0.004 42.5 40.8
i~
} 8 52+80+/- 750 RCP 0.142 0.036 0.009 0.009 86 82 62.4
9 54+20+/- 900 RCP 0.026 0.004 0.002 0.036 12 40.8
e '
10 21+32+/- 1650 RCP 0.009 61.8 32.4
# 11 31+50+/- 1650 RCP 0.018 202 58 72
1'~I
12 44+20+/- 2.7 x 1.8 RCBC 0.015 74 37.8

r' TOTALS 0.665 0.036 0.081 0.091 0.036 752.3 140 525

NORTH CAROLINA DEPARTMENT OF TRANSPORTATION
P '
DIVISION OF HIGHWAYS
ALAMANCE COUNTY
6.2471101 (U-2406)
RELOCATION OF NC 100 FROM COOK ROAD
TO NC 87 NEAR GLEN RAVEN
SHEET 15 OF 20 JUNE 1999
s

;t<

PROPERTY OWNERS

PARCEL OWNERS NAME ADDRESS
~i
1 NORBERT A. b KLARA S. STAIC P.O. BOX 2115. BURLINGTON N.C. 27215
f"E DB 421 PG 374
2 E. JOSEPH 3 KAYE C. MURRAY P.O. BOX 324. ELON COLLEGE N.C. 27244
BD 270 PG 297
i. 3 PEGGY H. PAGE d ELIZABETH A. LOY 608 N OKELLY AVENUE. ELON COLLEGE N.C. 27244
DB 86E PG 62
4 ELON COLLEGE 101 HAGGARD AVENUE. ELON COLLEGE N.C. 27244
i' DB 133 PG 317
~j
5 NELLIE J. ISLEY. HIERS 2849 NC 100. ELON COLLEGE N.C. 27244
DB 912 PG 422
6 BOBBY L. & PATRICIA S. ALVERSON 2230 VENIE STREET. BURLINGTON N.C. 27215
{ DB 541 PG 891
7 MRS. CHESTER C. HUEY 1750 POWERLINE ROAD. ELON COLLEGE N.C. 27244
DB 278 PG 202
!ik 8 WEST BURLINGTON CHURCH OF THE NAZARENE 1600 POWERLINE ROAD. ELON COLLEGE N.C. 27244
;..i, DB 517 PG 723
9 ANNIE BLUE MCADAMS 2635 NC 100. ELON COLLEGE N.C. 27244
DB 127 PG 340
j 10 PIEDMONT NATURAL GAS COMPANY 1116 RAINEY STREET. BURLINGTON N.C. 27215
DB 202 PG 437
11 SAMUEL W. HEREIN P.O. BOX 934. GIBSONVILLE N.C. 27249
DB 321 PG 274
12 J. WILSON CABLE 744 SHALLOW FORD CHURCH ROAD. ELON COLLEGE N.C. 27244
DB 332 PG 566
13 DANIEL L. BURCHFIELD P.O. BOX 458. ELON COLLEGE N.C. 27244
i DB 412 PG 925
N. C. DEPT. OF TRANSPORTATION
DIVISION OF HIGHWAYS
ALAMANCE COUNTY
I PROJECTi 8.2471101 (U-2406)
t : RELOCATION OF NC 100
FROM COOK ROAD
TO NC 87 NEAR GLEN RAVEN
h%
SHEET 16 OF 20

I1

EXISTING REFERENCE PROPOSED
ITEM STREAM STREAM RELOCATION
STREAM NAME

DRAINAGE AREA (DA) 5.85 ha 5.85 ha
CHANNEL SLOPE (S) 0.025 m/m 0.025 m/m
BANKFUL WIDTH (Wbkf) 7.0 m 6.8 m

MEAN DEPTH (d bkf) 0.37 m 0.37 m
BANKFUL X
-SECTION ARE 0.79 sq. m 0.72 sq. m
(A kk f)
WIDTH/DEPTH RATIO 5.8 5.7
kf
Maximum DEPTH (d.bkf) 0.73 m 0.73 m
WIDTH Flood-Prone Area 14 m AR.4.Om to 13.5
f s
ENTRENCHMENT RATIO 6.6 4.3
CHANNEL MATERIALS: D50
SINUOSITY (K) 1.06 1.04
MEANDERS:
AVG. LENGTH 11.3 m 52 m
AVG. AMPLITUDE 4.6 m 4.5 m
AVG. RADIUS 3.0 m 4.5 m
DISCHARGES:
0 BANKFULL
02

010
VELOCITY:
V BANKFULL
V2

V10
CLASSIFICATION E5b E5

* The ex" tin stream will serve
as the r~fierence stream. N. C. DEPT. OF TRANSPORTATION

DIVISION OF HIGHWAYS
ALAMANCE COUNTY
PROJECT: 8.2790901
RELOCATION OF NC 100
FROM COOK ROAD
TO NC 87 NEAR GLEN RAVEN
SHEET -a OF

NATURAL CHANNEL DESIGN TYPICALS

DETAIL CHANNEL DETAIL
TYPICAL FLOOD PLAIN SECTION CHANNEL DETAIL PROPOS&P IJI(VE ( SE CTION
I Not to Scale ) Natural PROPOSED TYPICAL SECTION e N c ArNDER~
Ground INor to Scale 1 INor ro Scole I
BANKFULL DEPTH DEEPEN CHANNEL
I,Sm Flood Plain B0P BELOW GRADE POINT
~ FICpd Ploin Flood Ploln 0.3m AT BEND
Fut(11'e'`, Ial 0 3 7m lZ pa BANKFULL DEPTH 7
Fill Slope Flood Plaln / Flood Plain
Var. Var. ~3
o.rm [qR
0.6m FIBEA
L 0.6m
VAR. 4.Om t 13.5 FOOTER LOG 0.5m DI \ANCHOR ROCKS
(PLACE 2/3 DIA, BELOW NVERT) 68 - 91KC
SEE CHANNEL DETAILS TYPICAL SECTION I BETWEEN BENDS
TYPICAL SECTION 2 AT BENDS
-L- REV STATION 52+38 TO 53+20 RT.
NOTESI
ROOT WAD LOG NUMBER OF ROOTWADS INSTALLED TO BE DETERMINED ON SITE
(0.3M- 0.46RN DIA.I ROOTWADS TO BE SPACED 4. DIAMETER OF ROOT BASE
q.dn - 3.60 LEMGT i
ANCHOR ROCKS FOOTER LOG F00TER LOG ANCHOR ROCK TO BE PLACED ON THE DOWNSTREAM END
OF EACH FOOTER LOG SO THAT IT IS LEANING AGAINST THE LOG ON
2C THE SIDE AWAY FROM THE CHANNEL.
P COIR
SHM~ ~ry MANSRON FIBER
KRAMAT
( ~+v
WHEN BACKFILLNG OVER AND AROUND FOOTER LOGS. ROOTW AD LOGS
qt 4, AHE ANCHOR ROCKS FIRMLY SECURE ALL COMPONENTS INCLUDING
,ANTS. CONNECTIONS AND GAPS.
NATIVE PLANTINGS SHOULD BE PLACED ABOVE SANKFULL DEPTH
tfprY ra l~ T I.
E
or N. C. DEPT. OF TRANSPORTATION
DIVISION OF HIGHWAYS
A I.A M A NC'R COUNTY
F
PROJECT: 8.2471101 (U-2406)
RELOCATION OF NC 100
CHANNEL PLAN VIEW FROM COOK ROAD
SITE 8 TO NC 87 NEAR GLEN RAVEN
SHEET 17 OF 20 6/ 11/ 99
I

EXISTING REFERENCE PROPOSED

ITEM STREAM STREAM RELOCATION
STREAM NAME

DRAINAGE AREA (DA) 31.2 ha 31.2 ha
CHANNEL SLOPE (S) 0.026 m/m 0.011 m/m
BANKFUL WIDTH (Wbkf) 3.4 m 2.7 m
MEAN DEPTH (dbkf) 0.34 m 0.34 m
BANKFUL X-SECTION ARE 1.09 sq. m 0.63 sq. m
(A bk f)
WIDTH/DEPTH RATIO 10.0 8.0
(W hkf /d hkf)
Maximum DEPTH (d mbkf) 0.76 m 0.76 m
WIDTH Flood-Prone Area 26.8 m VAR. 7.5m to 14.5
f e
ENTRENCHMENT RATIO 8.0 5.5
CHANNEL MATERIALS: D50
SINUOSITY (K) 1.5 1.2
MEANDERS:

AVG. LENGTH 18 m 40 m
AVG. AMPLITUDE 6.0 m 12 m
AVG. RADIUS 4.0 m 13.5 m
DISCHARGES:

0 BANKFULL
02
010

VELOCITY:
V BANKFULL
V2
VIO

CLASSIFICATION E5b E5

The exlstin stream will serve
as the r%ference stream. N. C. DEPT.OF TRANSPORTATION
DIVISION OF HIGHWAYS
ALAMANCE COUNTY
PROJECT: 8.2790901
RELOCATION OF NC 100
FROM COOK ROAD
TO NC 87 NEAR GLEN RAVEN
SHEET 2Q OF 2Q

I.
q~
I'cif

i NATURAL CHANNEL DESIGN TYPICALS

{ ` D E T A IL CHANNEL DETAIL CHANNEL DETAIL
TYPICAL FLOOD PLAIN SECTION PROPQS&PNpY(P~CEAALDSE~TION
Natural PROPOSED TYPICAL SECTION (Not to sa
i (Not to SCole ) INot to Seal. I
Ground
BAN(FUII DEPTH DEEPEN CHANNEL
II ORAnf
od P 1 POIrlT BELOW GRADE POINT
( ~ 3.Om Flood Plain F pl Plain a FloIDA 0.3. AT BEND
BANKFl1LL DEPTH
FutUr9 0.74. 'L Flood Plain Flood Plain
a
i~ FIII Slope 4% Var. Var. -I 0.34. ~ R
1.2m
VQR 7 m t 14 FOOTER LOG 0.3. DI ANCHOR ROCKS
(PLACE 2/3 OIA.BELOW INVERT) 68 - 91K4
e SEE CHANNEL DETAILS TYPICAL SECTION 1 BETWEEN BENDS TYPICAL SECTION 2 AT BENDS
;f a
f -L- STATION 30+91 TO 31+27.5 LT.
t NOTES.
4
i! NUMBER OF ROOTWADS INSTALLED TO BE DETERMINED ON SITE
ROOT WAD LOG ROOTWADS TO BE SPACED 4x DIAMETER OF ROOT BASE
(O.7n- 0.46n DIP-)
(3.0- 3.6m LENGT
FOOTER LOG ANCHOR ROCK TO BE PLACED ON THE DOWNSTREAM END
ANCHOR ROCKS FOOTER LOG OF EACH FOOTER LOG THAT IT IS LEANING AGAINST THE LOG ON
S ~
THE SIDE AWAY FROM THE CHANNEL.
COIR
't~ YR'TgM T FIBER
5(pUM MAT WHEN BACKFLLNG OVER AND AROUND FOOTER LOGS, ROOTWAD LOGS
?3 AND ANCHOR ROCKS FIRMLY SECURE ALL COMPONENTS INCLUDING
~
( t+ •Mr JOINTS. CONNECTIONS AND GAPS.
e 4~ NATIVE PLANTINGS SHOULD BE PLACED ABOVE BANCFULL DEPTH
I •~C~"1 .ao~ '~Ci 4~f w
I CA
N. C. DEPT. OF TRANSPORTATION
DIVISION OF HIGHWAYS
i
A [,A M A Mt- COUNTY
0-
PROJECT: 8.2471101 (U-2406)
RELOCATION OF NC 100
FROM COOK ROAD
CHANNEL PLAN VIEW
j TO NC 87 NEAR GLEN RAVEN
SITE 11 SHEET 19 OF 20 6/11/99
I
III