20180648 Ver 1_401 Application_20180518

20180848
AGENT AUTHORIZATION FORM
PROPERTY LEGAI, DESCRIPTION: PAY)
P'ANNO, PARCEL ID: ea 3 a 8 ffz
LOT NO,
L
STREET ADDRESS:,
ino ig@igo
Please mint. MAY 1 1 2018
Property owner:
D WMESOUR
Property Owner: PERMI
The undersigned, registered property owners of the above noted property, do hereby authorize
sl- 10-11
of
(Con actor/ (Name of consulting firm)
to act ori my behalf and take all actions necessary for the processing, issuance and acceptance of
this permit or certification and any and all standard and special conditions attached.
Property Owners Address (if different than property above):
G,
r-,
14-(, " ��
Telephone: E?
We hereby certify the above information submitted in this application is true and accurate to the
best of our knowledge.
Authorized lature
Date:
Authorized Signature
'--
Date:
6,

Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.3 Dec 10 2008
Pre -Construction Notification (PCN) Form
A. Applicant Information
1. Processing
1 a. Type(s) of approval sought from the
Corps:
® Section 404 Permit ❑ Section 10 Permit
1 b. Specify Nationwide Permit (NWP) number: 29 or General Permit (GP) number: nla
1 c. Has the NWP or GP number been verified by the Corps?
® Yes
❑ No
1 d. Type(s) of approval sought from the DWQ (check all that apply):
® 401 Water Quality Certification - Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification - Express ❑ Riparian Buffer Authorization
1 e. Is this notification solely for the record
because written approval is not required?
For the record only for DWQ 401
Certification:
❑ Yes ® No
For the record only for Corps Permit:
❑ Yes ® No
1f. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation
of impacts? If so, attach the acceptance letter from mitigation bank or in -lieu
fee program.
❑ Yes
® No
1g. Is the project located in any of NC's twenty coastal counties. If yes, answer 1h
below.
❑ Yes
® No
1 h. Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes
® No
2. Project Information
2a. Name of project:
4e 4 ; p H0113 e✓ �^"
2b. County:
Henderson
2c. Nearest municipality / town:
Mills River
2d. Subdivision name:
2e. NCDOT only, T.I.P. or state
project no:
3. Owner Information
3a. Name(s) on Recorded Deed:
; -�-
3b. Deed Book and Page No.
/65-5 f
3c. Responsible Party (for LLC if
applicable):
IF
3d. Street address:
PC-vE
rAve-
3e.
3e. City, state, zip:
&-'W4-4 e, r-11© 4
3f. Telephone no.:
LAR
3g. Fax no.:
3h. Email address:
I Ck^ j ' we
4. Applicant Information (if different from owner)
4a. Applicant is:
0 Agent ❑ Other, specify:
Page 1 of 11
PCN Form - Version 1.3 December 10, 2008 Version

4b. Name:
4c. Business name
(if applicable):
4d. Street address:
4e. City, state, zip:
4f. Telephone no.:
4g. Fax no.:
4h. Email address:
5. Agent/Consultant Information (if applicable)
5a. Name:
;j A 14 VL
5b. Business name
(if applicable):
e 1-5 OeA 010^ r ' 04
5c. Street address:
Q Qj o C/
5d. City, state, zip:
p f
5e. Telephone no.:
a - 81? • 39 3 8
5f. Fax no.:
5g. Email address:
/vt
IJ
Page 2 of 11

B. Project Information and Prior Project History
1. Property Identification
1 a. Property identification no. (tax PIN or parcel ID):
e63ac ! 6369
I b. Site coordinates (in decimal degrees): - if you can't get
Latitude: 357.W-34,95' Longitude:
these, just include a very good vicinity map
(DD.DDDDDD) - '° °, .7 F; 1,
1 c. Property size:
a; !, at acres
2. Surface Waters
2a. Name of nearest body of water (stream, river, etc.) to
UT Foster Creek
proposed project:
2b. Water Quality Classification of nearest receiving water:
2c. River basin: map is available at
http://h2o.enr.state.nc.usiadmin/maps/
Upper French Broad (06010105)
3. Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application: 1 y h� yto ,`g
J
•ow. C ew,S -,1- eco -1-4
3b. List the total estimated acreage of all Licisting wetlands on the property:
Unknown
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
I 8 OL`% .'.f, -
3d. Explain the purpose of the proposed project:
4ee d --a �l r� ."�' -A-o Cross. 4A e o",
3e. Describe the overall project in detail, including the type of equipment to be used:
-1 If lbee-
�O•^S 7� 4 w�. %��1 B� G Gs> ` Ab e a ca ,n. Y-t,, ••s /J.^r��e/T
cjJ well- l - /36s - , �'Ieo S r,+✓ : %� rt e e d ZL o e .!`o S S �i�i C' S�✓`Ca+�a . _ .
� !'y C/' C t...ol �, t� Lam' CL t�'LCl' S � ,�j,O�S � G' u... +r "C ks
4. Jurisdictional Determinations
Page 3 of 11

4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property !
Yes
No Unknown
project (including all prior phases) in the past?
Comments:
4b. If the Corps made the jurisdictional determination, what type
❑ Preliminary❑
Final
of determination was made?
4c. If yes, who delineated the jurisdictional areas?
Agency/Consultant
Company:
Name (if known):
Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
5. Project History
5a. Have permits or certifications been requested or obtained for
❑ Yes
® No ❑ Unknown
this project (including all prior phases) in the past?
5b. If yes, explain in detail according to `help file" instructions.
6. Future Project Plans
6a. Is this a phased project?
❑ Yes
❑ No
6b. If yes, explain.
Yee-- elif_. e- Lar J`J C. bis•'/7T
C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
❑ Wetlands ® Streams -tributaries
❑ Buffers
❑ Open Waters ❑ Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question
for each wetland area impacted.
2a.
2b.
2c.
2d.
2e.
2f.
Wetland impact
Type of jurisdiction
number —
Type of impact
Type of wetland
Forested
(Corps - 404, 10
Area of impact
Permanent (P) or
(if known)
DWQ — non -404, other)
(acres)
Temporary T
❑ ❑
❑ Yes
❑ Corps
W1 P T
❑ No
❑ DWQ
W2 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
W3 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
❑ ❑
❑ Yes
❑ Corps
W4 P T
❑ No
❑ DWQ
❑ ❑
❑ Yes
❑ Corps
W5 P T
❑ No
❑ DWQ
W6 ❑ P ❑ T
❑ Yes
❑ Corps
❑ No
❑ DWQ
2g. Total wetland impacts
2h. Comments:
Page 4 of 11

3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a.
3b.
3c.
3d.
3e.
3f.
3g.
Stream impact
Type of impact
Stream name
Perennial
Type of jurisdiction
Average
Impact
number -
(PER) or
(Corps - 404, 10
stream
length
Permanent (P) or
intermittent
DWQ — non -404,
width
(linear
Temporary (T)
(INT)?
other)
(feet)
feet)
® ❑
® PER
® Corps
S1 P T
Culvert
UT Foster Creek
❑ INT
❑ DWQ06
S2 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
❑ P ❑ T
❑ PER
❑ Corps
S3
❑ INT
❑ DWQ
S4 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S5 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
S6 ❑ P ❑ T
❑ PER
❑ Corps
❑ INT
❑ DWQ
3h. Total stream and tributary impacts
3i. Comments:
4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then indivii ually list all open water impacts below.
4a.
4b.
4c.
4d.
4e.
Open water
Name of waterbody
impact number —
(if applicable)
Type of impact
Waterbody type
Area of impact (acres)
Permanent (P) or
Temporary T
01 ❑P❑T
02 ❑P❑T
03 ❑ PEI T
04 ❑P❑T
4f. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If pond or lake construction proposed, the complete the chart below.
5a.
5b.
5c.
5d.
5e.
Wetland Impacts (acres)
Stream Impacts (feet)
Upland
Pond ID
Proposed use or purpose
(acres)
number
of pond
Flooded
Filled
Excavated
Flooded
Filled
Excavated
Flooded
P1
P2
5f. Total
5g. Comments.-
omments:5h.
5h.Is a dam high hazard permit required?
❑ Yes ❑
No If yes, permit ID no:
Page 5 of 11

5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If any impacts require mitigation, then
you MUST fill out Section D of this form.
6a.
EJ ❑ Neuse ❑ Tar -Pamlico El Other:
Project is in which protected basin?
Catawba Randleman
6b.
6c.
6d.
6e.
6f.
6g.
Buffer impact
number —
Reason
Buffer
Zone 1 impact
Zone 2 impact
Permanent (P) or
for
Stream name
mitigation
(square feet)
(square feet)
Temporary
impact
required?
❑PnT
El Yes
B1
❑ No
B2 ❑P❑T
[I Yes
❑ No
B3 ❑ P ❑ T
❑ Yes
❑ No
6h. Total buffer impacts
6i. Comments:
Page 6 of 11

D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
le
b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
wl eylo t : 14 +�e., ne 4,5
1 �1,,e,t e. .�c� ct : s b,'14 t" e­-e-
,-•e;~O4
;~64ef 41-c, ct v cr ', v w •f �r r u •�t d�_ h •'s S e •'�
e Cfecic .
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
❑ Yes ® No
impacts to Waters of the U.S. or Waters of the State?
2b. If yes, mitigation is required by (check all that apply):
❑ DWQ ❑ Corps
❑ Mitigation bank
2c. If yes, which mitigation option will be used for this
project?
❑ Payment to in-lieu fee program
❑ Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter)
Type
Quantity
3c. Comments:
Page 7 of 11

4. Complete if Making a Payment to In -lieu Fee Program
4a. Approval letter from in -lieu fee program is attached.
❑ Yes
4b. Stream mitigation requested:
linear feet
4c. If using stream mitigation, stream temperature:
❑ warm ❑ cool []cold
4d. Buffer mitigation requested (DWQ only):
square feet
4e. Riparian wetland mitigation requested:
acres
4f. Non -riparian wetland mitigation requested:
acres
4g. Coastal (tidal) wetland mitigation requested:
acres
4h. Comments:
5. Complete if Using a Permittee Responsible Mitigation Plan
5a. If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
buffer mitigation? If Yes, you will have to fill out this entire form — please
contact the State for more information.
❑ Yes ❑ No
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
Zone
6c.
Reason for impact
6d.
Total impact
(square feet)
Multiplier
6e.
Required mitigation
(square feet)
Zone 1
3 (2 for Catawba)
Zone 2
1.5
6f. Total buffer mitigation required:
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund).
6h. Comments:
Page 8 of 11

C. Stormwater Management and Diffuse Flow Plan (required by DWQ), continued
E. Stormwater Management and Diffuse Flow Plan (required by DWQ)
1. Diffuse Flow Plan
1 a. Does the project include or is it adjacent to protected riparian buffers identified
❑ Yes ❑ No
within one of the NC Riparian Buffer Protection Rules?
1 b. If yes, then is a diffuse flow plan included? If no, explain why.
❑ ElYes
Comments:
No
2. Stormwater Management Plan
2a. What is the overall percent imperviousness of this project?
%
2b. Does this project require a Stormwater Management Plan?
❑ Yes ❑ No
2c. If this project DOES NOT require a Stormwater Management Plan, explain why:
2d. If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
❑ Certified Local Government
2e. Who will be responsible for the review of the Stormwater Management Plan?
❑ DWQ Stormwater Program
❑ DWQ 401 Unit
3. Certified Local Government Stormwater Review
3a. In which local government's jurisdiction is this project?
❑ Phase 11
❑ NSW
3b. Which of the following locally -implemented stormwater management programs
❑ USMP
apply (check all that apply):
❑ Water Supply Watershed
❑ Other:
3c. Has the approved Stormwater Management Plan with proof of approval been❑
Yes ElNo
attached?
4. DWQ Stormwater Program Review
❑ Coastal counties
❑ HQW
4a. Which of the following state -implemented stormwater management programs apply
❑ ORW
(check all that apply):
❑ Session Law 2006-246
❑ Other:
4b. Has the approved Stormwater Management Plan with proof of approval been
❑ ❑
attached?
Yes No
S. DWQ 401 Unit Stormwater Review
5a. Does the Stormwater Management Plan meet the appropriate requirements?
❑ Yes ❑ No
5b. Have all of the 401 Unit submittal requirements been met?
❑ Yes ❑ No
Page 9 of 11

F. Supplementary Information
1. Environmental Documentation (DWQ Requirement)
1 a. Does the project involve an expenditure of public (federal/state/local) funds or the
❑
❑
use of public (federal/state) land?
Yes
No
1 b. If you answered "yes" to the above, does the project require preparation of an
❑
❑
environmental document pursuant to the requirements of the National or State
Yes
No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1 c. If you answered "yes" to the above, has the document review been finalized by the
❑
❑
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
letter.)
Yes
No
Comments:
2. Violations (DWQ Requirement)
2a. Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
❑
14
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards,
Yes
No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b. Is this an after -the -fact permit application?
❑ Yes
F_]•No
2c. If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
3. Cumulative Impacts (DWQ Requirement)
3a. Will this project (based on past and reasonably anticipated future impacts) result in
❑
additional development, which could impact nearby downstream water quality?
Yes
No
3b. If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
4. Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non -discharge or discharge) of wastewater
generated from
the proposed project, or available capacity of the subject facility.
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or
® Yes
❑ No
habitat?
5b. Have you checked with the USFWS concerning Endangered Species Act
❑ Yes
® No
impacts?
❑ Raleigh
5c. If yes, indicate the USFWS Field Office you have contacted.
❑ Asheville
Page 10 of 11

5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat? Latest Corps updated Heritage database. USFWS map for northern long-eared bat (NLEB) consultation
areas. Site is not within the consultation area boundary (Red HUC) for NLEB.
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat?
❑ Yes ® No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
❑
governments have designated as having historic or cultural preservation
Yes No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
Latest Corps updated Heritage database.
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA -designated 100 -year floodplain?
❑ Yes Q� No
8b. If yes, explain how project meets FEMA requirements:
8c. What source(s) did you use to make the floodplain determination?
�,�
r T5.oCr°rir
Applicant/Agent's Printed Name
Applicant/Agent's Signature
Date
(Agent's signature is valid only if an authorization letter from the applicant
isprovided.)
Page 11 of 11

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HY-8 Culvert Analysis Report
Crossing Discharge Data
Discharge Selection Method: Specify Minimum, Design, and Maximum Flow
Minimum Flow: 80 cfs
Design Flow: 110 cfs
Maximum Flow: 157 cfs

Table 1 - Summary of Culvert Flows at Crossing: Crossing 1
Headwater Elevation
(ft)
Total Discharge (cfs)
Culvert 1 Discharge
(cfs)
Roadway Discharge
(cfs)
Iterations
2105.53
80.00
80.00
0.00
1
2105.79
87.70
87.70
0.00
1
2106.05
95.40
95.40
0.00
1
2106.31
103.10
103.10
0.00
1
2106.55
110.00
110.00
0.00
1
2106.85
118.50
118.50
0.00
1
2107.06
126.20
124.03
2.05
12
2107.14
133.90
126.11
7.69
7
210720
141.60
127.73
13.67
5
2107.25
149.30
129.18
20.00
5
2107.30
157.00
130.47
26.46
5
2107.00
122.51
122.51
0.00
Overto pin

Rating Curve Plot for Crossing: Crossing 1
21072
2107.0
2106.8
a
2106.6
a�
w 2106.4
a�
21062
w 2106.0
2105.8
2105.6
Total Rating Cin-ve
Cross: Crossing I
Total Discharge (cfs)

Table 2 - Culvert Summary Table: Culvert 1
TotalCulvert
Discharge
(cfs)
Discharge
(c(s)
Headwater
Elevation (it)
Inlet Control
Depth (ft)
Outlet
Control
Depth (ft)
Flow
Type
Normal
Depth (ft)
Critical
Depth (ft)
utlat Depth
(ft)
Taiter
lwa
Depth (ft)
Outlet
Velocity
(ft/6)
Taiwatar
Velocity
(ft/6)
80.00
80.00
2105.53
2.650
3.926
2&M2c
2.728
2.078
2.078
2.651
8.132
2.929
87.70
87.70
2105.79
2.802
4.187
7-M2c
2.921
2.201
2.201
2.772
8.408
3.000
95.40
1 95AO
2106.05
2.950 1
4.448
7-M2c
3.127
2.314
2.314
2.887 1
8.698
3.087
103.10
103.10
2106.31
3.0%
4.711
7-M2c
3.362
2.427
2.427
2.997
8.967
3.130
110.00
110.00
2106.55
3.227
4.960
7-M2c
3.658
2.520
2.520
3.091
9.226
3.183
118.50
118.50
2106.85
3.390
5.263
7-M2c
4.000
2.631
2.631
3202
9.538
3.245
126.20
124.03
2107.06
3.498
5.457
7 -WC
4.000
2.707
2.707
3.299
9.721
3.299
133.90
126.11
2107.14
3.539
5.535
7-M2c
4.000
2.734
2.734
3.392
9.794
3.349
141.60
127.73
2107.20
3.571
5.597
7-M2c
4.000
2.755
1 2.755 1
3.483
9.851
1 3.398
149.30
129.18
2107.25
3.600
5.653
7-M2c
4.000
2.772
2.772
3.570
9.905
3.445
157.00
1 130.47
2107.30
3.628 1
5.704
7-M2c
4.000
2.788
2.788
3.655 1
9.954
3.490

Culvert Performance Curve Plot: Culvert I
Performance Curve
cuh-en: Cuh*en 1
F-0-1
Inlet Control Elev
2107.0-
C 2106.5ro
-
2106, 0 -
w
... 2105-5-
2105,0--
2104 5 -A - -1--Iw-
FA--]
Outlet Control Elev
-Ak --------
90 100 110 120 130 140 150 160
Total Discharge (cfs)

Water Surface Profile Plot for Culvert: Culvert 1
Crossing - Crossing 1, Design Discharge - 110.0 cfs
Cuh-ert - Cuh-en 1. Cvh-en Discharge - 110.0 cfs
2107
+----------------
2106
2105
_ 2104
0
v 2103
w
2102
2101
2100
20 40 60
Station (ft)
Site Data - Culvert 1
Site Data Option: Culvert Invert Data
Inlet Station: 0.00 ft
Inlet Elevation: 2100.60 ft
Outlet Station: 60.00 ft
Outlet Elevation: 2100.00 ft
Number of Barrels: 1
Culvert Data Summary - Culvert 1
Barrel Shape: Circular
Barrel Diameter: 5.00 ft
Barrel Material: Smooth HDPE
Embedment: 12.00 in
Barrel Manning's n: 0.0120 (top and sides)
Manning's n: 0.0350 (bottom)
Culvert Type: Straight
Inlet Configuration: Thin Edge Projecting
Inlet Depression: None

Table 3 - Downstream Channel Rating Curve (Crossing: Crossing 1)
Flow (ds)
Water Surface
Elev (ft)
Depth (ft)
velocity (ft/s)
Shear (psQ
Froude Number
80.00
2102.65
2.65
2.93
1.65
0.39
87.70
2102.77
2.77
3.00
1.73
0.39
95.40
2102.89
2.89
3.07
1.80
0.39
103.10
2103.00
3.00
3.13
1.87
0.40
110.00
2103.09
3.09
3.18
1.93
0.40
118.50
2103.20
3.20
325
2.00
0.40
12620
2103.30
3.30
3.30
2.06
0.40
133.90
2103.39
3.39
3.35
2.12
0.40
141.60
2103.48
3.48
3.40
2.17
0.40
149.30
2103.57
3.57
3.44
2.23
0.40
157.00
2103.65
376-5--1
3.49
2.28
0.41

Tailwater Channel Data - Crossing 1
Tailwater Channel Option: Trapezoidal Channel
Bottom Width: 5.00 ft
Side Slope (H:V): 2.00 L:1)
Channel Slope: 0.0100
Channel Manning's n: 0.0700
Channel Invert Elevation: 2100.00 ft
Roadway Data for Crossing: Crossing 1
Roadway Profile Shape: Constant Roadway Elevation
Crest Length: 60.00 ft
Crest Elevation: 2107.00 ft
Roadway Surface: Gravel
Roadway Top Width: 15.00 ft

Straight Culvert
Inlet Elevation (invert): 2101.60 ft, Outlet Elevation (invert): 2101.00 ft
Culvert Length: 60.00 ft, Culvert Slope: 0.0100

EFH-2 ESTIMATING RUNOFF AND PEAK DISCHARGE Version 1.1.2
Client:
County:
Practice:
Calculated By:
Checked By:
Benito
Henderson Valley NOAA-B State: NC
578 Stream Crossing
JH Date: 1/29/2018
Date:
Drainage Area:
109
Acres (user entered value)
Curve Number:
64
(provided from RCN Calculator)
Watershed Length:
4549
Feet
Watershed Slope:
13
Percent
Time of Concentration:
0.77
Hours (calculated value)
Rainfall Type:
II
3.09
Storm Number
1
2
3
4
5
6
7
Frequency (yrs)
1
2
5
10
25
50
100
24 -Hr rainfall (in)
3.09
3.71
4.56
5.23
6.17
6.92
7.70
la/P Ratio
00.36
00.30
00.25
00.22
00.18
00.16
00.15
Used
00.36
00.30
00.25
00.22
00.18
00.16
00.15
Runoff (in)
.51
.81
1.30
1.73
2.39
2.94
3.54
(ac -ft)
04.63
07.36
11.81
15.71
21.71
26.71
32.16
Unit Peak Discharge
00.464
00.531
00.566
00.585
00.604
00.616
00.626
(cfs/acre/in)
Peak Discharge (cfs)
1 26
1 47
1 80
110
157
197
242
Page 1 of 2

EFH-2 ESTIMATING RUNOFF AND PEAK DISCHARGE
Curve number Computation
Client: Benito
County: Henderson Valley NOAH -B State: NC
Practice: 578 Stream Crossing
Calculated By: JH Date: 1/29/2018
Checked By: Date:
Version 1.1.2
COVER DESCRIPTION
Acres CN
Hydrologic Soil Group
A
B
C
D
OTHER AGRICULTURAL LANDS
Pasture, grassland or range fair
Woods fair
-
-
34.45(69)
67.25(60)
-
4.25(73)
-
3.05(79)
Total Area (by Hydrologic Soil Group)
101.7
4.25
3.05
TOTAL DRAINAGE AREA: 109 Acres WEIGHTED CURVE NUMBER: 64
Page 2 of 2

5/3/2018 Gmail - Fwd: Culvert at Annabel Benito property, Henderson County
fi y Shawn Anderson <ashawn255@gmaiLcom>
Fwd: Culvert at Annabel Benito property, Henderson County
Annabel Benito <[e-mail]> Tue, Jan 30, 2018 at 8:46 AM
To: [e-mail], [e-mail]
Cc: Daddy Benito <[e-mail]>
Hi guys. This is useful info when talking road work with Luke. (Only have to pay attention to the most recent email below,
others are old from the creek ladies) Greg has been super helpful and knows his shit, he is the environmental
guru/engineer for the county and works for the university. supposedly these steel culverts are like a third of the price of
the concrete ones and seem to be the trend now. If I remember correctly, he said this one would be around $5k....
Sent from my iPhone
Begin forwarded message:
From: Greg Jennings <greg(r>ljenningsenv.com>
Date: January 30, 2018 at 8:30:28 AM EST
To: Annabel Benito <[e-mail]>, Rachel Smith <[e-mail]>, Jonathan D
Hinkle <[e-mail]>, "Pohlman, Emily - NRCS, Hendersonville, NC"
<[e-mail]>
Subject: Culvert at Annabel Benito property, Henderson County
Hello Annabel. Following our conversation in December regarding your driveway culvert, here is my
recommendation following consultation with my colleague Jonathan Hinkle, P.E., LDSI, Inc.
Culvert Size: 60 -inch diameter
Culvert Type: HDPE Type S
Culvert Length: 60 feet long (or shorter based on road width and cover height)
Cover Height: 2.5 feet minimum (or more based on road configuration)
Embankment Slopes: 3:1 (H:V) or flatter
Engineering analysis confirms that this culvert will carry at least the 10 -year flow for this watershed and will
not impair the stream restoration project planned for the property.
Please contact me with any questions. We look forward to working with you on the stream project.
Greg
Greg Jennings, PhD, PE
Jennings Environmental
919-600-4790
From: Smith, Rachel - NRCS, Hendersonville, NC
Sent: Wednesday, November 22, 2017 9:06 AM
To:'Annabel Benito' <[e-mail]>
Cc: Pohlman, Emily - NRCS, Hendersonville, NC <[e-mail]>: 'Greg
Jennings' <jenningsenv [e-mail]>
Subject: RE: SITE PLAN WITH STREAM AND PADDOCKS
Please use the attached file instead of the one I sent last night. I found the North Arrow
was not correct on one of the pages of the last version. I also changed to scale to 1 in = 40
feet so that it is a little easier to see. Hope this helps.
https:llmail.google.comlmaillul0l?ui=2&ik=3dOc96a771 &jsver=TV2A1 ycJovk.en.&cbl=gmail_fe_180426.14_p3&view=pt&msg=16147517e9fl8l dd&q=annabelbenit

5/3/2018 Gmail - Fwd: Culvert at Annabel Benito property, Henderson County
Rachel
From: Smith, Rachel - NRCS, Hendersonville, NC
Sent: Tuesday, November 21, 2017 7:03 PM
To:'Annabel Benito' <[e-mail]>
Cc: Pohlman, Emily - NRCS, Hendersonville, NC <Emily_.,[e-mail],gov>; Greg
Jennings <jenningsenv@gmail..com>
Subject: SITE PLAN WITH STREAM AND PADDOCKS
Annabel,
Here is the revised draft plan with the paddocks laid out. Please take a look and let me
know what you think. I have also include Dr. Greg Jennings, the engineer that looked at
your project, on this email so you can speak with him about the crossing. I will try to get
answers to your other questions tomorrow. Hope you have safe travels.
Rachel
Rachel E. Smith, PE
Rachel.smith2,@nc.nacdnet..net
Henderson County Soil & Water Conservation District
61 Triple Springs Rd
Hendersonville, NC 28792
828-697-4949
This electronic message contains information generated by the USDA solely for the intended
recipients. Any unauthorized interception of this message or the use or disclosure of the information it
contains may violate the law and subject the violator to civil or criminal penalties. If you believe you
have received this message in error, please notify the sender and delete the email
immediately. <SITE_BENIT0140red.pdf>
<S ITE_B EN ITO 1-40red. pdf>
<Estimating Runoff and Peak Disc.pdf>
<StreamStats.pdf>
<Benito HY8 Report.pdf>
https:Hmail.google.com/maiVu/O/?ui=2&ik=3dOc96a771 &jsver-N2A1 ycJovk.en.&cbl=gmail_fe_180426.14_p3&view=pt&msg=16147517e9fl8l dd&q=annabelbenit