20171507 Ver 3_USACE Permit_20220726

U.S. ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT

Action Id. SAW-2020-01905 County: Wake U.S.G.S. Quad: NC-New Hill

GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION

Permittee: Town of Apex
Address: PO Box 250
Apex, NC 27502

Size (acres) ~4 acres Nearest Town Apex
Nearest Waterway UT to Reddy Branch River Basin Cape Fear
USGS HUC 03030002 Coordinates Latitude: 35.729195
Longitude: -78.916459
Location description: The project site is located north of Olive Chapel Road and south of the terminus of Hasse Avenue, east of
Richardson Road and west of Pricewood Lane in Apex, Wake County, North Carolina.

Description of projects area and activity: This verification authorizes the permanent discharge of fill material within 72 linear
feet (0.008 acres) of stream channel, the permanent discharge of fill material resulting in no loss of stream channel within 39
linear feet of stream channel, the temporary discharge of fill material within 33 linear feet of stream channel and the
permanent discharge of fill material within 0.255 acres of wetlands.

Applicable Law(s): ☒Section 404 (Clean Water Act, 33 USC 1344)
☐Section 10 (Rivers and Harbors Act, 33 USC 403)

Authorization: NWP 14. Linear Transportation Projects

SEE ATTACHED NWP GENERAL, REGIONAL, AND/OR SPECIAL CONDITIONS

Your work is authorized by the above referenced permit provided it is accomplished in strict accordance with the attached
Conditions, your application signed and dated 3/16/2022, the ensuing administrative record and the enclosed plans. Any violation
of the attached conditions or deviation from your submitted plans may subject the permittee to a stop work order, a restoration
order, a Class I administrative penalty, and/or appropriate legal action.

This verification will remain valid until the expiration date identified below unless the nationwide and/or regional general permit
authorization is modified, suspended or revoked. If, prior to the expiration date identified below, the nationwide and/or regional general
permit authorization is reissued and/or modified, this verification will remain valid until the expiration date identified below, provided
it complies with all requirements of the modified nationwide permit. If the nationwide and/or regional general permit authorization
expires or is suspended, revoked, or is modified, such that the activity would no longer comply with the terms and conditions of the
nationwide permit, activities which have commenced (i.e., are under construction) or are under contract to commence in reliance upon
the nationwide and/or regional general permit, will remain authorized provided the activity is completed within twelve months of the
date of the nationwide and/or regional general permit’s expiration, modification or revocation, unless discretionary authority has been
exercised on a case-by-case basis to modify, suspend or revoke the authorization.

Activities subject to Section 404 (as indicated above) may also require an individual Section 401 Water Quality Certification. You
should contact the NC Division of Water Resources (telephone [phone]) to determine Section 401 requirements.

For activities occurring within the twenty coastal counties subject to regulation under the Coastal Area Management Act (CAMA), prior
to beginning work you must contact the N.C. Division of Coastal Management Morehead City, NC, at [phone].

This Department of the Army verification does not relieve the permittee of the responsibility to obtain any other required Federal, State
or local approvals/permits. If there are any questions regarding this verification, any of the conditions of the Permit, or the Corps of
Engineers regulatory program, please contact George Lyle Phillips III at [phone] X25 or [e-mail].

Corps Regulatory Official: _____________________________________________________Date: 7/26/2022
Expiration Date of Verification: 3/14/2026
The Wilmington District is committed to providing the highest level of support to the public. To help us ensure we
continue to do so, please complete the Customer Satisfaction Survey located at
http://corpsmapu.usace.army.mil/cm_apex/f?p=136:4:0

Copy furnished: Colleen Cohn – NCDEQ-DWR – 3800 Barrett Drive, Raleigh, NC 27609
Ashley Yarsinske – Wildlands Holdings – 1430 South Mint Street, Suite 104, Charlotte, NC 28203
Amy Staley – RES, LLC. – 701 E. Bay Street, Suite 306, Charleston, SC 29403
Kimberly Browning – USACE – 3331 Heritage Trade Drive, Suite 105, Wake Forest, NC 27587

SAW-2020-01905
SPECIAL CONDITIONS

a. In order to compensate for impacts associated with this permit, mitigation shall be provided in accordance
with the provisions outlined on the most recent version of the attached Compensatory Mitigation Responsibility
Transfer Form. The requirements of this form, including any special conditions listed on this form, are hereby
incorporated as special conditions of this permit authorization.

Action ID Number: SAW-2020-01905 County: Wake

Permittee: Town of Apex

Project Name: Hasse Avenue Extension

Date Verification Issued: 7/26/2022

Project Manager: George Lyle Phillips III

Upon completion of the activity authorized by this permit and any mitigation required by the permit,
sign this certification and return it to the following address:

US ARMY CORPS OF ENGINEERS
WILMINGTON DISTRICT
Attn: George Lyle Phillips III
Raleigh Regulatory Office
U.S Army Corps of Engineers
3331 Heritage Trade Drive, Suite 105
Wake Forest, North Carolina 27587
or
[e-mail]

Please note that your permitted activity is subject to a compliance inspection by a U. S. Army Corps of
Engineers representative. Failure to comply with any terms or conditions of this authorization may
result in the Corps suspending, modifying or revoking the authorization and/or issuing a Class I
administrative penalty, or initiating other appropriate legal action.

I hereby certify that the work authorized by the above referenced permit has been completed in
accordance with the terms and condition of the said permit, and required mitigation was completed in
accordance with the permit conditions.

_______________________________________ ______________________
Signature of Permittee Date

U.S. ARMY CORPS OF ENGINEERS 
Wilmington District 

Page 1 of 2 Form Version 10 June 2020_updated
Compensatory Mitigation Responsibility Transfer Form 

Permittee: Town of Apex                                                                                       Action ID: SAW‐2020‐01905
Project Name: Hasse Avenue Extension County: Wake 

Instructions to Permittee: The Permittee must provide a copy of this form to the Mitigation Sponsor, either an approved 
Mitigation Bank or the North Carolina Division of Mitigation Services (NCDMS), who will then sign the form to verify the 
transfer of the mitigation responsibility.  Once the Sponsor has signed this form, it is the Permittee’s responsibility to ensure 
that Wilmington District Project Manager identified on page two is in receipt of a signed copy of this form before conducting 
authorized impacts, unless otherwise specified below.  If more than one Mitigation Sponsor will be used to provide the 
mitigation associated with the permit, or if the impacts and/or the mitigation will occur in more than one 8‐digit Hydrologic 
Unit Code (HUC), multiple forms will be attached to the permit, and the separate forms for each Sponsor and/or HUC must 
be provided to the appropriate Mitigation Sponsors. 

Instructions to Sponsor: The Sponsor verifies that the mitigation requirements (credits) shown below have been released 
and are available at the identified site.  By signing below, the Sponsor is accepting full responsibility for the identified 
mitigation, regardless of whether they have received payment from the Permittee.  Once the form is signed, the Sponsor 
must update the bank ledger and provide a copy of the signed form and the updated ledger to the Permittee, the Project 
Manager who issued the permit, the Bank Project Manager, and the District Mitigation Office (see contact information on 
page 2).  The Sponsor must also comply with all reporting requirements established in their authorizing instrument. 

Permitted Impacts and Compensatory Mitigation Requirements: 

Permitted Impacts Requiring Mitigation* 8‐digit HUC and Basin: 03030002, Cape Fear River Basin 
Stream Impacts (linear feet) Wetland Impacts (acres) 
Warm Cool Cold Riparian Riverine Riparian Non‐Riverine Non‐Riparian Coastal 
72      0.2355   
*If more than one mitigation sponsor will be used for the permit, only include impacts to be mitigated by this sponsor. 

Compensatory Mitigation Requirements: 8‐digit HUC and Basin: 03030002, Cape Fear River Basin 
Stream Mitigation (credits) Wetland Mitigation (credits) 
Warm Cool Cold Riparian Riverine Riparian Non‐Riverine Non‐Riparian Coastal 
144     0.471   

Mitigation Site Debited: Cane Creek Umbrella Mitigation Banking Instrument – UT to Pine Hill Mitigation Bank, South Fork 
Mitigation Site, and Bethel Branch Mitigation Site (List the name of the bank to be debited. For umbrella banks, also list the 
specific site.  For NCDMS, list NCDMS.  If the NCDMS acceptance letter identifies a specific site, also list the specific site to be 
debited). 
Section to be completed by the Mitigation Sponsor 

Statement of Mitigation Liability Acceptance: I, the undersigned, verify that I am authorized to approve mitigation 
transactions for the Mitigation Sponsor shown below, and I certify that the Sponsor agrees to accept full responsibility for 
providing the mitigation identified in this document (see the table above), associated with the USACE Permittee and Action 
ID number shown.   I also verify that released credits (and/or advance credits for NCDMS), as approved by the Wilmington 
District, are currently available at the mitigation site identified above.  Further, I understand that if the Sponsor fails to provide 
the required compensatory mitigation, the USACE Wilmington District Engineer may pursue measures against the Sponsor to 
ensure compliance associated with the mitigation requirements. 

Mitigation Sponsor Name:   

Name of Sponsor’s Authorized Representative:  

 Signature of Sponsor’s Authorized Representative Date of Signature 

Conditions for Transfer of Compensatory Mitigation Credit: 
 Once this document has been signed by the Mitigation Sponsor and the District is in receipt of the signed form, the 
Permittee is no longer responsible for providing the mitigation identified in this form, though the Permittee remains 
responsible for any other mitigation requirements stated in the permit conditions. 
 Construction within jurisdictional areas authorized by the permit identified on page one of this form can begin only after 
the District is in receipt of a copy of this document signed by the Sponsor, confirming that the Sponsor has accepted 
responsibility for providing the mitigation requirements listed herein.  When NCDMS provides mitigation for authorized 
impacts conducted by the North Carolina Department of Transportation (NCDOT), construction within jurisdictional areas 
may proceed upon permit issuance; however, a copy of this form signed by NCDMS must be provided to the District 
within 30 days of permit issuance.  NCDOT remains fully responsible for the mitigation until the District has received this 
form, confirming that the Sponsor has accepted responsibility for providing the mitigation requirements listed herein. 
 Signed copies of this document must be retained by the Permittee, Mitigation Sponsor, and in the USACE administrative 
records for both the permit and the Bank/ILF Instrument.  It is the Permittee’s responsibility to ensure that the District 
Project Manager (address below) is provided with a signed copy of this form. 
 If changes are proposed to the type, amount, or location of mitigation after this form has been signed and returned to 
the District, the Sponsor must obtain case‐by‐case approval from the District Project Manager and/or North Carolina 
Interagency Review Team (NCIRT).  If approved, higher mitigation ratios may be applied, as per current District guidance 
and a new version of this form must be completed and included in the District administrative records for both the permit 
and the Bank/ILF Instrument. 

Comments/Additional Conditions: Letters from Wildlands Holdings, confirming they are willing and able to accept the 
applicant’s compensatory mitigation responsibility, dated 3/15/2022 was included with the preconstruction notification. 

This form is not valid unless signed below by the District Project Manager and by the Mitigation Sponsor on Page 1.  Once 
signed, the Sponsor should provide copies of this form along with an updated bank ledger to: 1) the Permittee, 2) the 
District Project Manager at the address below, 3) the Bank Manager listed in RIBITS, and 4) the Wilmington District 
Mitigation Office, 3331 Heritage Trade Drive, Suite 105, Wake Forest, NC 27587 (or by email to [e-mail]).  
Questions regarding this form or any of the permit conditions may be directed to the District Mitigation Office. 

USACE Project Manager: George Lyle Phillips III  
USACE Field Office: Raleigh Regulatory Office  
 US Army Corps of Engineers  
 3331 Heritage Trade Drive, Suite 105  
 Wake Forest, North Carolina 27587  
Email: [e-mail]  

   7/26/2022  
 USACE Project Manager Signature Date of Signature 

Current Wilmington District mitigation guidance, including information on mitigation ratios, functional assessments, and 
mitigation bank location and availability, and credit classifications (including stream temperature and wetland groupings) is 
available at http://ribits.usace.army.mil. 

U.S. ARMY CORPS OF ENGINEERS 
Wilmington District 
Compensatory Mitigation Responsibility Transfer Form 

Permittee: Town of Apex                                                                                       Action ID: SAW‐2020‐01905
Project Name: Hasse Avenue Extension County: Wake 

Instructions to Permittee: The Permittee must provide a copy of this form to the Mitigation Sponsor, either an approved 
Mitigation Bank or the North Carolina Division of Mitigation Services (NCDMS), who will then sign the form to verify the 
transfer of the mitigation responsibility.  Once the Sponsor has signed this form, it is the Permittee’s responsibility to ensure 
that Wilmington District Project Manager identified on page two is in receipt of a signed copy of this form before conducting 
authorized impacts, unless otherwise specified below.  If more than one Mitigation Sponsor will be used to provide the 
mitigation associated with the permit, or if the impacts and/or the mitigation will occur in more than one 8‐digit Hydrologic 
Unit Code (HUC), multiple forms will be attached to the permit, and the separate forms for each Sponsor and/or HUC must 
be provided to the appropriate Mitigation Sponsors. 

Instructions to Sponsor: The Sponsor verifies that the mitigation requirements (credits) shown below have been released 
and are available at the identified site.  By signing below, the Sponsor is accepting full responsibility for the identified 
mitigation, regardless of whether they have received payment from the Permittee.  Once the form is signed, the Sponsor 
must update the bank ledger and provide a copy of the signed form and the updated ledger to the Permittee, the Project 
Manager who issued the permit, the Bank Project Manager, and the District Mitigation Office (see contact information on 
page 2).  The Sponsor must also comply with all reporting requirements established in their authorizing instrument. 

Permitted Impacts and Compensatory Mitigation Requirements: 

Permitted Impacts Requiring Mitigation* 8‐digit HUC and Basin: 03030002, Cape Fear River Basin 
Stream Impacts (linear feet) Wetland Impacts (acres) 
Warm Cool Cold Riparian Riverine Riparian Non‐Riverine Non‐Riparian Coastal 
     0.0195   
*If more than one mitigation sponsor will be used for the permit, only include impacts to be mitigated by this sponsor. 

Compensatory Mitigation Requirements: 8‐digit HUC and Basin: 03030002, Cape Fear River Basin 
Stream Mitigation (credits) Wetland Mitigation (credits) 
Warm Cool Cold Riparian Riverine Riparian Non‐Riverine Non‐Riparian Coastal 
    0.039   

Mitigation Site Debited: EBX sponsored RES Cape Fear 02 Umbrella Mitigation Bank ‐ Cloud & Banner Site (List the name of 
the bank to be debited. For umbrella banks, also list the specific site.  For NCDMS, list NCDMS.  If the NCDMS acceptance 
letter identifies a specific site, also list the specific site to be debited). 
Section to be completed by the Mitigation Sponsor 

Statement of Mitigation Liability Acceptance: I, the undersigned, verify that I am authorized to approve mitigation 
transactions for the Mitigation Sponsor shown below, and I certify that the Sponsor agrees to accept full responsibility for 
providing the mitigation identified in this document (see the table above), associated with the USACE Permittee and Action 
ID number shown.   I also verify that released credits (and/or advance credits for NCDMS), as approved by the Wilmington 
District, are currently available at the mitigation site identified above.  Further, I understand that if the Sponsor fails to provide 
the required compensatory mitigation, the USACE Wilmington District Engineer may pursue measures against the Sponsor to 
ensure compliance associated with the mitigation requirements. 

Mitigation Sponsor Name:   

Name of Sponsor’s Authorized Representative:  

 Signature of Sponsor’s Authorized Representative Date of Signature 

Conditions for Transfer of Compensatory Mitigation Credit: 
 Once this document has been signed by the Mitigation Sponsor and the District is in receipt of the signed form, the 
Permittee is no longer responsible for providing the mitigation identified in this form, though the Permittee remains 
responsible for any other mitigation requirements stated in the permit conditions. 
 Construction within jurisdictional areas authorized by the permit identified on page one of this form can begin only after 
the District is in receipt of a copy of this document signed by the Sponsor, confirming that the Sponsor has accepted 
responsibility for providing the mitigation requirements listed herein.  When NCDMS provides mitigation for authorized 
impacts conducted by the North Carolina Department of Transportation (NCDOT), construction within jurisdictional areas 
may proceed upon permit issuance; however, a copy of this form signed by NCDMS must be provided to the District 
within 30 days of permit issuance.  NCDOT remains fully responsible for the mitigation until the District has received this 
form, confirming that the Sponsor has accepted responsibility for providing the mitigation requirements listed herein. 
 Signed copies of this document must be retained by the Permittee, Mitigation Sponsor, and in the USACE administrative 
records for both the permit and the Bank/ILF Instrument.  It is the Permittee’s responsibility to ensure that the District 
Project Manager (address below) is provided with a signed copy of this form. 
 If changes are proposed to the type, amount, or location of mitigation after this form has been signed and returned to 
the District, the Sponsor must obtain case‐by‐case approval from the District Project Manager and/or North Carolina 
Interagency Review Team (NCIRT).  If approved, higher mitigation ratios may be applied, as per current District guidance 
and a new version of this form must be completed and included in the District administrative records for both the permit 
and the Bank/ILF Instrument. 

Comments/Additional Conditions: Letters from RES, LLC., confirming they are willing and able to accept the applicant’s 
compensatory mitigation responsibility, dated 03/10/2022 was included with the preconstruction notification. 

This form is not valid unless signed below by the District Project Manager and by the Mitigation Sponsor on Page 1.  Once 
signed, the Sponsor should provide copies of this form along with an updated bank ledger to: 1) the Permittee, 2) the 
District Project Manager at the address below, 3) the Bank Manager listed in RIBITS, and 4) the Wilmington District 
Mitigation Office, 3331 Heritage Trade Drive, Suite 105, Wake Forest, NC 27587 (or by email to [e-mail]).  
Questions regarding this form or any of the permit conditions may be directed to the District Mitigation Office. 

USACE Project Manager: George Lyle Phillips III  
USACE Field Office: Raleigh Regulatory Office  
 US Army Corps of Engineers  
 3331 Heritage Trade Drive, Suite 105  
 Wake Forest, North Carolina 27587  
Email: [e-mail]  

   7/26/2022  
 USACE Project Manager Signature Date of Signature 

Current Wilmington District mitigation guidance, including information on mitigation ratios, functional assessments, and 
mitigation bank location and availability, and credit classifications (including stream temperature and wetland groupings) is 
available at http://ribits.usace.army.mil.
S
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31
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N 01°42'56" E
1191.60'
N 01°42'19" E
635.94' TO CL CREEK
643.96' TO EIP
N 01°35'14" E
287.72' (TIE LINE)
S 20°4
5
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1
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S 5
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3
'
S 11°18'4
6
"

E
500.58'
S 11°21'5
3
"

E
392.29'
S 11°20'4
1
"

E
425.59'
S

7
0
°
1
9
'
5
6
"

W
6
8
2
.
5
8
'
N 02°31'13" E
674.17'
M
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C
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A
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L

E

B
A
S
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B

1
6
6
1
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9
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.

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2
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2
4
P
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N
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.

0
7
2
2
5
0
5
1
6
7
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310320
260
27
0
2
8
0
29
0
© 2021 Microsoft Corporation © 2021 TomTom
GENERAL NOTES
1.BASIS OF BEARINGS: NC STATE PLANE GRID COORDINATES, NAD83(2011).
2.ALL DISTANCES ARE HORIZONTAL GROUND DISTANCES IN U.S. SURVEY FEET
UNLESS OTHERWISE NOTED.
3.AREAS SHOWN HEREON WERE COMPUTED USING THE COORDINATE METHOD.
4.LINES NOT SURVEYED ARE SHOWN AS BROKEN LINES FROM INFORMATION
REFERENCED
ON THE FACE OF THIS PLAT.
5.NO EVIDENCE OF EARTH MOVING WAS OBSERVED IN THE PROCESS OF
CONDUCTING
FIELDWORK ON SUBJECT PARCEL.
6.NO EVIDENCE OF RECENT STREET OR SIDEWALK CONSTRUCTION OR REPAIRS
OBSERVED IN THE PROCESS
OF CONDUCTING FIELDWORK.
7.NO EVIDENCE OF BURIAL GROUNDS WAS OBSERVED IN THE PROCESS OF
CONDUCTING FIELDWORK.
8.A PORTION OF SUBJECT PROPERTY IS LOCATED WITHIN A FLOOD HAZARD
AREA ACCORDING TO FLOOD
INSURANCE RATE MAP 3720072200J DATED MAY 2, 2006.
9.IRON PIPES SET AT ALL CORNERS UNLESS OTHERWISE NOTED.
No.
Checked By
Revision Designer
Drawn By
Date By Scale
Date
Job No.
Sheet No.WithersRavenel
Engineers [ Planners [ STrveyors
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | license #: C-0832 | www.withersravenel.com02180517.2
A03/10/2022
AS NOTED
APEX WAKE COUNTY NORTH CAROLINABM
EB
WR
HUXLEY - HASSE AVENUE OVERALL EXISTING CONDITIONS
GRAPHIC SCALE
1 inch = 300 ft.
300 0 150 300 600
VICINITY MAPVICINITY MAP
1"=5000'
SITE
O
L
I
V
E

C
H
A
P
E
L

R
O
A
D

(
S
R
1
1
6
0
)
V
A
R
I
A
B
L
E

W
I
D
T
H

P
U
B
L
I
C

R
O
W
HASSE A
V
E
N
U
E
60' PUBL
I
C

R
O
W
K
I
M
A
N
A

D
R
I
V
E
W4
W5
W6
W7
95 TTPL 91 TTPL
60 & 90 TTPL
42 TTCHA
W3
S01 STOP
107A TT 112B
B
186 TTCH
S02 START
113 TTCH
162
W8
POND 1
POND 2
W1
C
12 & 13 TTCH
W2
29 TTPL
01 & 24 TT PIPE
STREAM START AT PIPE
30 TTPL
ROWBOAT ROAD
50' PUBLIC ROW
F
A
R
M
H
O
U
S
E

D
R
I
V
E
5
0
'

P
U
B
L
I
C

R
O
W
S
S
S
S
S
S
S
S
S
S
FO
B
C
C
FO
B
FOB
CFOB
W
W
W
W
W
W
W
W
W
W
E
EFOB
C
C E
EFOB
FOB
CEFOB
© 2022 Microsoft Corporation © 2022 TomTom
VICINITY MAPVICINITY MAP
1"=5000'
MAP C
MAP E
SITE
GRAPHIC SCALE
1 inch = 300 ft.
300 0 150 300 600
HAS
S
E

A
V
E
N
U
E
O
L
I
V
E

C
H
A
P
E
L

R
O
A
D

(
S
R
1
1
6
0
)
V
A
R
I
A
B
L
E

W
I
D
T
H

P
U
B
L
I
C

R
O
W
HAS
S
E

A
V
E
N
U
E
No.
Checked By
Revision Designer
Drawn By
Date By Scale
Date
Job No.
Sheet No.WithersRavenel
Engineers [ Planners [ STrveyors
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | license #: F-1479 | www.withersravenel.com02180517.20
03/10/2022
AS NOTED
APEX WAKE COUNTY NORTH CAROLINABM
EB
WR
HUXLEY - HASSE AVENUE STREAM AND WETLAND IMPACT MAP B
IMPACT AREA 1
IMPACT AREA 2
W
W
W
W
WW
W
W
W
W
W
W
T
P
TP
TP
TP
T
P
T
P
TPTP
T
P
TP
TP
TP
TP
T
P
TP
TP
TP
T
P
TP TP
TP
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
2
6
5
26
6
.
0
265
270
27
5
2
7
0
26
5
2
6
0
26
1
.
0
0
+
0
0
1
+
0
0
1
+
0
0
0
+
0
0
IMPACT S4
TEMPORARY STREAM IMPACTS
TEMPORARY CONSTRUCTION ACCESS
18 LF (90 SF)
IMPACT S2
PERMANENT STREAM IMPACTS
RIP-RAP DISSIPATOR STREAM INSTALLATION
(NO FUNCTIONAL LOSS)
39 LF (192 SF)
IMPACT S3
PERMANENT STREAM IMPACTS
ROAD CROSSING AND GRADING
(FUNCTIONAL LOSS)
72 LF (385 SF)
CULVERT ACCESS
& MAINTENANCE
EASEMENT
TOP OF
BANK
STREAM
SEDIMENT BAG
FLEXIBLE HOSE
UPSTREAM
TEMPORARY
COFFER DAM
RIP-RAP STILLING BASIN
(SEE DETAIL SHEET D)
LIMIT OF
DISTURBANCE
LIMIT OF
DISTURBANCE
CULVERT ACCESS
& MAINTENANCE
EASEMENT
TOP OF
BANK
50' TOWN OF APEX BUFFER
50' TOWN OF APEX BUFFER
9' x
7
'

B
O
X

C
U
L
V
E
R
T
50' TOWN OF APEX BUFFER
50' TOWN OF APEX BUFFER
IMPACT S1
TEMPORARY STREAM IMPACTS
TEMPORARY CONSTRUCTION ACCESS
15 LF (73 SF)
TEMPORARY PUMP
AROUND
HAS
S
E

A
V
E
N
U
E
60'
P
U
B
L
I
C

R
I
G
H
T

O
F

W
A
Y
BM
2
0
2
0
,

P
G

1
3
3
4
EXISTING 1% ANNUAL
FLOOD ZONE (ZONE AE)
DOWNSTREAM
TEMPORARY
COFFER DAM
255
260
265
270
275
255
260
265
270
275
0+00
26
2
.
3
4
26
2
.
3
4
0+50
25
9
.
1
7
25
9
.
1
7
1+00
255
260
265
270
275
255
260
265
270
275
PROPOSED GRADE
EXISTING GRADE
STREAM BED
0+00
26
5
.
2
2
26
5
.
2
2
0+50
26
2
.
7
1
26
2
.
7
1
1+00
NOTE:
CULVERT TO BE BURIED 1' BELOW
STREAM BED
PROPOSED GRADE
STREAM BED
EXISTING GRADE
RIP-RAP BASIN DISSIPATOR
W = 33 FT, L = 16 FT, DEPTH = 1.34 FT
CLASS "B" (d50 = 8")
9' x 7' BOX CULVERT
9' x 7' BOX CULVERT
GRAPHIC SCALE
1 inch = 30 ft.
30 0 15 30 60
SCALE:
1" = 50' HORIZ.
1" = 5' VERT.
CULVERT DOWNSTREAMCULVERT UPSTREAM
NTS
TOP OF BANK
RIP RAPTOP OF RIP RAP
TO MATCH
PRE-CONSTRUCTION
STREAM CONTOUR
RIPRAP APRON DETAIL
IMPACT LEGEND
PERMANENT WETLANDS
TEMPORARY WETLANDS
PERMANENT STREAM (NO FUNCTIONAL LOSS)
PERMANENT STREAM (FUNCTIONAL LOSS)
TEMPORARY STREAM
No.
Checked By
Revision Designer
Drawn By
Date By Scale
Date
Job No.
Sheet No.WithersRavenel
Engineers [ Planners [ STrveyors
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | license #: F-1479 | www.withersravenel.com02180517.20
03/10/2022
AS NOTED
APEX WAKE COUNTY NORTH CAROLINABM
EB
WR
HUXLEY - HASSE AVENUE STREAM IMPACT MAP AREA 1 C
SLOPE RIP-RAP AT 2:1 TO
EXISTING IF PLAIN END
WO
(P
I
P
E

D
I
A
M
E
T
E
R
)
(N
O
M
I
N
A
L
)
1
3
2
:
1
2
:
1
2:
1
2:
1
2:1
LE
V
E
L
LB (LENGTH OF BASIN)
LS (LENGTH OF POOL)LA (LENGTH OF APRON)
WB (
W
I
D
T
H

O
F

B
A
S
I
N
)
DISSIPATOR POOL
(HORIZONTAL FLOOR)
S
L
O
P
E

T
O

M
A
T
C
H
E
X
I
S
T
I
N
G

C
H
A
N
N
E
L
A
T

E
N
D

O
F

A
P
R
O
N
SLO
P
E

T
O

M
A
T
C
H
EXI
S
T
I
N
G

C
H
A
N
N
E
L
AT
E
N
D

O
F

A
P
R
O
N
RIP-RAP LINING
SEE TABLE FOR SIZE AND DEPTH
LEVEL
LEVEL
RIP-RAP TO EXISTING GRADE
APRON
INCISE PIPE FOR AQUATIC PASSAGE
(SEE PLAN & TABLES FOR INVERT)
TW (TAILWATER)YO YB
LB (LENGTH OF BASIN)
LS (LENGTH OF POOL)LA (LENGTH OF APRON)
CHANNEL ELEVATION
(PIPE INCISED)
T 2 T1
T1
T1
RIP RAP THICKNESS
T1 = 2d50 OR 1.5dMAX
T2 = 3d50 OR 2 dMAX
(SEE DIMENSION TABLE)
GEOTEXTILE FABRIC
(NCDOT STANDARD
SPECIFICATION
SECTION 1056-TYPE 2)
END OF APRON TO CONFORM
TO EXISTING STREAM CHANNEL
(INCISE RIP-RAP TO MATCH
EXISTING CROSS-SECTION)
RIP RAP LINING
SEE TABLE FOR SIZE AND DEPTH
SEE PROFILE SEE PROFILE
PLAN
PROFILE
2
1
2
1 LEVEL
INCISE PIPE FOR AQUATIC PASSAGE
(SEE PLAN & TABLES FOR INVERT)
RIP-RAP LINING
SEE TABLE FOR SIZE AND DEPTH
GEOTEXTILE FABRIC
(NCDOT STANDARD
SPECIFICATION
SECTION 1056-TYPE 2)
WO
(PIPE DIAMETER)
(NOMINAL)
2
1
2
1
2
1 21
hS (POOL DEPTH)
PIPE BEYOND
RIP-RAP LINING
SEE TABLE FOR SIZE AND DEPTH
GEOTEXTILE FABRIC
(NCDOT STANDARD
SPECIFICATION
SECTION 1056-TYPE 2)
WATER SURFACE PROFILE
AT DESIGN FLOW
2
1 2
1
PIPE BEYOND
RIP-RAP LINING
SEE TABLE FOR
SIZE AND DEPTH
GEOTEXTILE FABRIC
(NCDOT STANDARD SPECIFICATION
SECTION 1056-TYPE 2)
LEVEL
APRON
(LEVEL)
PIPE BEYOND
RIP-RAP LINING
SEE TABLE FOR SIZE AND DEPTH
GEOTEXTILE FABRIC
(NCDOT STANDARD
SPECIFICATION
SECTION 1056-TYPE 2)
WB (WIDTH OF BASIN)
(AT END OF APRON)
"A"
"A""B""C""D"
"B"
"C"
"D"
SECTION "A-A"
SECTION "B-B"
SECTION "C-C"
SECTION "D-D"
END OF APRON TO CONFORM TO EXISTING
STREAM CHANNEL (INCISE RIP-RAP TO
MATCH EXISTING CROSS-SECTION)
EXISTING GRADE
EXISTING GRADE
PROPOSED GRADE
PROPOSED GRADE
PROPOSED GRADE
PROPOSED GRADE
WATER SURFACE PROFILE
AT DESIGN FLOW
WATER SURFACE PROFILE
AT DESIGN FLOW
WATER SURFACE PROFILE
AT DESIGN FLOW
WATER SURFACE PROFILE
AT DESIGN FLOW
T 2
EXISTING STREAM
CHANNEL BOTTOM
T1
T1
T1
RIP-RAP BASIN ENERGY DISSIPATOR
BASED ON HEC-14
NOT TO SCALE
INVERT AT END OF PIPE
(PIPE INCISED FOR AQUATIC
PASSAGE)
LEVEL
hS (POOL DEPTH)
No.
Checked By
Revision Designer
Drawn By
Date By Scale
Date
Job No.
Sheet No.WithersRavenel
Engineers [ Planners [ STrveyors
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | license #: C-0832 | www.withersravenel.com02180517.20
D03/10/2022
AS NOTED
APEX WAKE COUNTY NORTH CAROLINABM
EB
WR
HUXLEY - HASSE AVENUE RIP-RAP STILLING BASIN DETAILS
OHE
OHE
OHE
OHE
8
'
'

W
8
'
'

W
8
'
'

W
8
'
'

W
8
'
'

W
8
'
'

W
12''

W
12''

W
12''

W
12''
W
12''
W
12''
W
12''
W
12'' W
12'' W
12'' W
8''
W
8''

W
TP
TP
TP
T
P
T
P
T
P
TP
TP
TP
TP
117
116
118
121
120
119
1
2
3
EXISTING WETALNDS (W8)
315
320
3
2
0
3
1
5
3
1
0
3
0
5
300
305
310
3
1
1
3
0
7
32
0
3
1
0
30
0
3
0
5
310
315
310
3
0
5
310
3
1
5
12'' W
12'' W
12'' W
12''
W
12''
W
12''
W
12''

W
12''

W
12''

W
12'' W
LIMIT OF
DISTURBANCE
HAS
S
E

A
V
E
N
U
E
60'
P
U
B
L
I
C

R
I
G
H
T

O
F

W
A
Y
BM
2
0
2
0
,

P
G

1
3
3
4
IMPACT AREA W1
PERMANENT WETLAND IMPACT
ROAD CROSSING AND GRADING
0.255 AC (11111 SF)
GRAPHIC SCALE
1 inch = 50 ft.
50 0 25 50 100
IMPACT LEGEND
PERMANENT WETLANDS
TEMPORARY WETLANDS
PERMANENT STREAM (NO FUNCTIONAL LOSS)
PERMANENT STREAM (FUNCTIONAL LOSS)
TEMPORARY STREAM
No.
Checked By
Revision Designer
Drawn By
Date By Scale
Date
Job No.
Sheet No.WithersRavenel
Engineers [ Planners [ STrveyors
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | license #: F-1479 | www.withersravenel.com02180517.20
03/10/2022
AS NOTED
APEX WAKE COUNTY NORTH CAROLINABM
EB
WR
HUXLEY - HASSE AVENUE WETLAND IMPACT MAP AREA 2 E
S
S
S
S
S
S
S
S
S
S
FO
B
C
C
FO
B
FOB
CFOB
W
W
W
W
W
W
W
W
W
W
X
X
E
EFOB
C
C E
EFOB
FOB
CEFOB
© 2022 Microsoft Corporation © 2022 TomTom
VICINITY MAPVICINITY MAP
1"=5000'
MAP G
SITE
GRAPHIC SCALE
1 inch = 300 ft.
300 0 150 300 600
HAS
S
E

A
V
E
N
U
E
O
L
I
V
E

C
H
A
P
E
L

R
O
A
D

(
S
R
1
1
6
0
)
V
A
R
I
A
B
L
E

W
I
D
T
H

P
U
B
L
I
C

R
O
W
HAS
S
E

A
V
E
N
U
E
No.
Checked By
Revision Designer
Drawn By
Date By Scale
Date
Job No.
Sheet No.WithersRavenel
Engineers [ Planners [ STrveyors
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | license #: F-1479 | www.withersravenel.com02180517.20
03/10/2022
AS NOTED
APEX WAKE COUNTY NORTH CAROLINABM
EB
WR
HUXLEY - HASSE AVENUE OVERALL BUFFER IMPACT MAP F
IMPACT AREA 3
W
W
W
W
W
W W
W
W
W
S
S
W
W
W
W
12''
W
12''
W
12''
W
12''
W
12''
W
12''
W
12''
W
12''
W
12''
W
12''
W
TPTP
T
P
TP
TP
TP
TP
TP
TP
TP
TP
TP
TP
T
P TP
TP
T
P
TP
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
2
6
5
26
6
.
0
265
270
2
7
5
2
7
0
26
5
2
6
0
26
1
.
0
CULVERT ACCESS &
MAINTENANCE EASEMENT
TOP OF
BANK
STREAM
SEDIMENT BAG
FLEXIBLE HOSE
UPSTREAM
TEMPORARY
COFFER DAM
RIP-RAP STILLING BASIN
(SEE DETAIL SHEET D)
LIMIT OF
DISTURBANCE
LIMIT OF
DISTURBANCE
CULVERT ACCESS
& MAINTENANCE
EASEMENT
TOP OF
BANK
50' TOWN OF APEX BUFFER
50' TOWN OF APEX BUFFER
50' TOWN OF APEX BUFFER
50' TOWN OF APEX BUFFER
9' x
7
'

B
O
X

C
U
L
V
E
R
T
TEMPORARY
PUMP AROUND
HAS
S
E

A
V
E
N
U
E
60'
P
U
B
L
I
C

R
I
G
H
T

O
F

W
A
Y
BM
2
0
2
0
,

P
G

1
3
3
4
EXISTING 1%
ANNUAL FLOOD
ZONE (ZONE AE)
DOWNSTREAM
TEMPORARY
COFFER DAM
GRAPHIC SCALE
1 inch = 50 ft.
50 0 25 50 100
No.
Checked By
Revision Designer
Drawn By
Date By Scale
Date
Job No.
Sheet No.WithersRavenel
Engineers [ Planners [ STrveyors
115 MacKenan Drive | Cary, NC 27511
t: 919.469.3340 | license #: F-1479 | www.withersravenel.com02180517.20
03/10/2022
AS NOTED
APEX WAKE COUNTY NORTH CAROLINABM
EB
WR
HUXLEY - HASSE AVENUE BUFFER IMPACT MAP AREA 3 G
IMPACT B1
TEMPORARY BUFFER IMPACT
STREAM BYPASS GRADING
AND ROAD CROSSING GRADING
ZONE 1 = 7,310 SF (0.168 AC)
ZONE 2 = 4,565 SF (0.105 AC)
IMPACT LEGEND
PERMANENT
ZONE 1
TOWN OF APEX 30' BUFFER
PERMANENT
ZONE 2
TOWN OF APEX 50' BUFFER