20150240 Ver 2_Application_20160309

Montalvo, Sheri A
From:
Sent:
To:
Subject:
Version 2 please. Thanks
Scarbraugh, Anthony
Thursday, March 10, 2016 4:45 PM
Montalvo, Sheri A
Re: Mosley Private Drive
From: Montalvo, Sheri A
Sent: Thursday, March 10, 2016 9:46:44 AM
To: Scarbraugh, Anthony
Subject: Mosley Private Drive
Anthony,
I got a PCN in for the above. Should I version it to 20150240?
Thanks
sherL MOV-tiRWO
401 & Buffer Permitting Unit - Administrative Assistant
Department of Water Resources
Division of Environmental Quality
919-807-6303 (office)
[e-mail]
512 N. Salisbury St., Ste 942-G1, Raleigh, NC 27604
1617 Mail Serive Center
Raleigh, NC 27699-1617
-"''"Nothing Compares
Ema correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties
1

I
B
252.945.2983
GINEERING K 202 CAMILLA RD.
WASHINGTON, NC 27689
Inner Banks Engineering PC
P 0 Box 154
WASHINGTON, NC 27889
PHONE [phone]
To: Date 2/22/16 Job No. 15018
NCDEQ - DWR Attention : AnthonyScarborough
Mosley Drive Crossing — Tar Pam Buffers
WE ARE SENDING YOU ® Attached ❑ Under separate cover via
the following items:
❑ Shop drawings ❑ Prints ® Plans ❑ Samples ❑
❑ Copy of letter ❑ Change order ❑
a
rv�H� 0 9 2016
COPIES DATE No
DESCRIPTION rt
1 Application
-C a
1 Supporting Documents
J '
1 Plan sheet
— c e s
THESE ARE TRANSMITTED as checked below:
® For approval ❑ Approved as submitted ❑ Resubmit copies for approval
❑ For your use ❑ Approved as noted ❑ Submit copies for distribution
❑ As requested ❑ Returned for corrections ❑ Return corrected prints
❑ For review and comment ❑
❑ FOR BIDS DUE 20_ ❑ PRINTS RETURNED AFTER LOAN TO US
REMARKS:
Please call if you have any questions.
Marie U. Peedin, PE.

D
of N1A7' '9 %1
`0 OG O 25
I 1 >o
Office Use Onl
Corps action o.
DWQ project —
Form Version 1.4 January 2009
Pre -Construction Notification (PCN) Form
A. Applicant Information
1. Processing
la. Type(s) of approval sought from the Corps: ❑ Section 404 Permit ❑
1b. Specify Nationwide Permit (NWP) number: or General Permit (GP) number:
1c. Has the NWP or GP number been verified by the Corps? ❑ Yes
c n C 1 \1 C
II11 G V C 1 V L.
I
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 Q No
1 g.
❑x No
1d 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 Q 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 Q No
1 g.
Is the project located in any of NC's twenty coastal counties If yes, answer 1 h
below.
❑X Yes ❑ No
1 h.
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes ❑X No
2.
Project Information
2a.
Name of project:
Mosley Private Drive
2b. County-
Beaufort
2c.
Nearest municipality / town-
Blounts Creek
2d. Subdivision name:
2e.
NCDOT only, T I P. or state project no -
3.
Owner Information
3a. Name(s) on Recorded Deed:
Joy Mosley
3b.
Deed Book and Page No.
1842=966
3c.
Responsible Party (for LLC if
applicable):
3d. Street address:
48 Norman Road
3e. City, state, zip:
Blounts Creek, NC 27814
3f.
Telephone no.:
612-817-8766
3g.
Fax no..
3h.
Email address:
[e-mail]
Page 1 of 10
PCN Form – Version 1.4 January 2009

'4. Applicant Information -(if different•from owner)
4a. Applicant is:
❑ Agent ❑ Other, specify:
4b. Name: .
4c. Business name
(if applicable):,
4d. Street address:,
4e. City, state, zip:
4f. Telephone no.:.
4g. Fax no.:
,
4h. Email address:
5. 'AgenVConsultant Information (if applicable) '
5a. Name:
Marie Peedin, •PE
5b. Business name
(if applicable).
In 11 Banks Engineering, PC
5c. Street address:
202 Camilla Rd , '
5d. City, state, zip:
Washington, NC 27889
5e. Telephone no.:
2529452983
5f. Fax no.:
5g Email address:
[e-mail]
Page 2 of 10

B. Project Information and Prior Project History
1. Property Identification
1a. Property Identification no. (tax PIN or parcel ID):
6509-41-5452
1 b. Site coordinates (in decimal degrees):
ILatitude: 35.35 Longitude: 76.96
1 c. Property size:
97.45 acres
2. Surface Waters
2a. Name of nearest body of water to proposed project:
Blounts Creek
2b. Water Quality Classification of nearest receiving water:
29-5 SB - NSW
2c. River basin:
Tar Pam
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:
The site is currently wooded and the general land use in the area is farming or residential
3b. List the total estimated acreage of all existing wetlands on the property:
3c. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 3,840
3d. Explain the purpose of the proposed project:
Driveway - Farming and Residential
3e. Describe the overall project in detail, including the type of equipment to be used:
The project consist of constructing a new drive entrance into a wooded lot which will require use of track dozers and excavators to remove existing
vegetation. Pipinq shall be installed at crossing with select backfill.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
ro'ect (includingall prior phases)in the past?
❑X Yes ❑ No ❑ Unknown
Comments: 15-o2ao
4b. If the Corps made the jurisdictional determination, what type
of determination was made?
❑ Preliminary ❑ Final
4c. If yes, who delineated the jurisdictional areas?
Name (if known).
Agency/Consultant Company:
Other:
4d. If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
3/3/15 Anthony Scarbarugh from DWQ did a site investigation on the area in question Attached is the letter from NCDEQ
S. Project History
5a. Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past?
El Yes ❑X No ❑ Unknown
5b If yes, explain in detail according to "help file" instructions
6. Future Project Plans
6a. Is this a phased project?
❑ Yes Q No
6b. If yes, explain.
Page 3 of 10
PCN Form — Version 1.4 January 2009

C. Proposed Impacts Inventory
1. Impacts Summary
1 a. Which sections were completed below for your project (check all that apply):
❑ Wetlands Q Streams — tributaries ❑X 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.
Wetland impact
number
Permanent (P) or
Temporary T
2b
Type of impact
2c.
Type of wetland
2d.
Forested
2e.
Type of jurisdiction
Corps (404,10) or
DWQ (401, other)
2f.
Area of
impact
(acres)
W1
Choose one
Choose one
Yes/No
W2
Choose one
Choose one
Yes/No
W3
Choose one
Choose one
Yes/No
W4
Choose one
Choose one
Yes/No
W5
Choose one
Choose one
Yes/No
W6
Choose one
Choose one
Yes/No
2g. Total Wetland Impacts:
2h. Comments.
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.
Stream impact
number
Permanent (P) or
Temporary (T)
3b
Type of impact
3c.
Stream name
3d
Perennial (PER) or
intermittent (INT)?
3e.
Type of
jurisdiction
3f.
Average
stream
width
(feet)
3g.
Impact
length
(linear
feet)
S1 P
Culvert
Noahs Branch
INT
DWQ
10
80
S2 T
Stabilization
INT
DWQ
10
5
S3
Choose one
S4
Choose one
S5
Choose one
S6
Choose one
3h. Total stream and tributary impacts
8521
3i. Comments,
Installation of driveway culvert will remove existing bend from the stream while not causing velocity increase at entrance or exit of the pipe system
Page 4 of 10
PCN Form — Version 1.4 January 2009

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 individually list all open water impacts below.
4a.
Open water
impact number
Permanent (P) or
Temporary T
4b.
Name of waterbody
(If applicable)
4c.
Type of impact
4d.
Waterbody
type
4e
Area of impact (acres)
01
Choose one
Choose
02
Choose one
Choose
03
Choose one
Choose
04
Choose one
Choose
4f. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If pond or lake construction proposed, the complete the chart below.
5a.
Pond ID number
5b.
Proposed use or
purpose of pond
5c.
Wetland Impacts (acres)
5d.
Stream Impacts (feet)
5e
Upland
(acres)
Flooded
Filled
Excavated
Flooded
Filled
Excavated
P1
Choose one
P2
Choose one
5f. Total:
5g. Comments -
5h. Is a dam high hazard permit required?
❑ Yes ❑X No If yes, permit ID no:
5i. Expected pond surface area (acres):
5j. Size of pond watershed (acres):
5k. Method of construction:
S. 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. Project Is in which protected basin?
❑ Neuse X❑ Tar -Pamlico ❑ Catawba ❑ Randleman ❑ Other.
6b.
Buffer Impact
number —
Permanent (P) or
Temporary T
6c •6d.
Reason for impact
Stream name
6e.
Buffer
mitigation
required?
6f.
Zone 1
impact
(square
feet)
6g.
Zone 2
impact
(square
feet
B1 P
Driveway Culvert
Nohas Branch
No
3,872.04
2,639.39
B2
Yes/No
B3
Yes/No
B4
Yes/No
B5
Yes/No
B6
Yes/No
6h Total Buffer Impacts:
3,872.04
2,639.39
6i Comments:
Page 5 of 10

D. Impact Justification and Mitigation
1. Avoidance and Minimization
1 a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
The location of the new driveway to access the new residential home site and farm land is situated on an existing farm where there are existing barns
and sheds which will remain intact for future use. The drive has been shifted to a point down stream of an existing farm equipment drive which was
used during the 40's until the 80's for access to the adjacent farm land owned by the same owner. To avoid impacts along a branch split the drive was
shifted approximately 100 If east and shall cross the stream perpendicular to limit buffer and stream impacts.
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Minimizing impacts shall be made by limiting the amount of fill for the drive and only removing the trees which are required for the installation of the
storm drainage pipe.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State?
❑ Yes ❑x No
2b. If yes, mitigation is required by (check all that apply):
❑ DWQ ❑ Corps
2c If yes, which mitigation option will be used for this
project?
❑ Mitigation bank
❑ ro Payment to in -lieu fee ram
y program
❑ Permittee Responsible Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
3b. Credits Purchased (attach receipt and letter)
Type: Choose one
Type: Choose one
Type: Choose one
Quantity:
Quantity:
Quantity:
3c. Comments:
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:
Choose one
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.
Page 6 of 10
PCN Form — Version 1.4 January 2009

6. ` Buffei Mitigation (State Regulated Riparian Buffer Rules)—' required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
Yes ❑X No
buffer mitigation? -
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.
6c.
6d.
6e.
Zone
'' Reason for impact
Total impact
Multiplier
Required mitigation
('square feet)
(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 7 of 10
I

E.
Stormwater Management and Diffuse Flow Plan (required by DWQ)
1.
Diffuse Flow Plan
1a.
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.
The water flow along the new drive entrance shall sheet flow through grass swales prior to entering the
buffer To temporary dams be for
❑ Yes Q No
area reduce erosion check shall placed along the swale to provide
velocity control prior to final establishment of grass.
2.
Stormwater Management Plan
2a.
What is the overall percent imperviousness of this project?
0.5%
2b.
Does this project require a Stormwater Management Plan?
❑ Yes ❑X No
2c.
If this project DOES NOT require a Stormwater Management Plan, explain why:
This is a residential home site which will not disturb more than 1 acre.
2d.
If this project DOES require a Stormwater Management Plan, then provide a brief, narrative description of the plan:
2e.
Who will be responsible for the review of the Stormwater Management Plan?
3.
Certified Local Government Stormwater Review
3a.
In which localgovernment's jurisdiction is thisproject?
Beaufort
❑ Phase II
3b.
Which of the following locally-implemented stormwater management programs
❑ NSW
❑ USMP
apply (check all that apply):
❑ Water Supply Watershed
❑ Other:
3c.
Has the approved Stormwater Management Plan with proof of approval been
❑Yes ❑X No
attached?
4.
DWQ Stormwater Program Review
OCoastal counties
❑HQW
4a.
Which of the following state-implemented stormwater management programs apply
❑ORW
(check all that apply):
E] Session Law 2006-246
❑ Other:
4b.
Has the approved Stormwater Management Plan with proof of approval been
❑ Yes X❑ No
attached?
5.
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 8 of 10
PCN Form — Version 1.4 January 2009

F.
Supplementary Information
1.
Environmental Documentation (DWQ Requirement)
la
Does the project involve an expenditure of public (federal/state/local) funds or the
❑ Yes Q No
use of public (federal/state) land?
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
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards,
❑Yes Q No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b.
Is this an after -the -fact permit application?
❑ Yes ❑X 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
❑Yes ❑X No
additional development, which could impact nearby downstream water quality?
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.
Site has an approved permit for an onsite wastewater permit
Page 9 of 10
PCN Form —Version 1.4 January 2009

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
0 Yes ® No
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted.
-
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
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?
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA -designated 100 -year floodplain?
❑ Yes ® No
8b. If yes, explain how project meets FEMA requirements:
8c. What source(s) did you use to make the floodplain determination?
FEMA Flood Map no.3720650900J Dated 5/1512003
9 -*6 aD��
Applicant/Agent's Printed Name
Applicant/Agent's SignatLYre
Date
(Agent's signature Is valid only if an authorization
letter from the applicant Isprovided.)
Page 10 of 10

MOSLEY DRIVEWAY
'REPORT
Revised,
t
'FOR,
GREGG AND JOY
MOSLEY
BLOUNTS CREEK, NC
%% GAR04�
PREPARED BY:
-Inner Banks Engineering, PC - -.
202 Camilla Road
WAMiNGTON,.NC 27889
252.945.2983

LOCATION:
This site is located off Norman Road on the south side of Beaufort County. The property
drains into the Blount's Creek Drainage and ultimately to the Pamlico River. There is an
existing perineal stream which is proposing to be crossed through this project.
DESCRIPTION:
The project consists of construction of a new 16' wide gravel driveway from Norman
Road to the south east. The project is approximately 550 if and will not disturb more
than 1 ac of land nor add more than 10,000 sf of impervious area. The owners plan to
construct a single family residential home in the field which needs to be accessed from
Norman Road. There is an existing farm path which the owners wish to relocate and
install a culvert to allow for the creek crossing. The owners also will be farming the land
around the home site and will also use this drive for farming equipment. The additional
existing drive entrance from Norman Road was installed by a tenant farmer who will no
longer be tending this tract of land and the homeowners plan to plant this area in a natural
wooded setting to allow for bird migration and nesting areas.
EXISTING and PROPOSED DRAINAGE PATTERNS:
The property drains into an existing stream which does have buffers located on each side.
The alignment of the roadway has been located to minimize the amount of buffer
disturbance and has been aligned to cross the existing stream within the allowable limits
for an allowable crossing. Also the culvert sizing has been prepared to minimize the
amount of fill to be placed which also shortens the needed pipe to 30' within the stream.
This project will not change the drainage patter of this area after completion.
Attached to this report is the data which was used and all assumptions for the design of
the cross line pipe. Using the SCS method a composite curve number was developed
based on the aerial photography of the area. This land does not appear to be in an area
which will have much growth in the next 30 years so therefore I assumed the land use to
be similar to the current conditions.
There is approximately 133 acres of woods and farm fields which drain into this tributary
and under the design storm event approximately 130 cfs of water shall flow into the this
area. There are 2 existing pipe culverts running under Norman Road which feed into this
area and the size for each pipe is 72" cmp. Therefore we began our analysis using a
single 84" cmp. Since the owners desire to limit the amount of fill and the amount of
clearing we discussed the option of using multiple pipes trying to keep the fill material to
a minimum.

Included with the report is the analysis of the system using 3- 36" CMP pipes projecting
from the slope. If 2:1 fill slopes are used to build the area above the pipe a minimum of
30' of pipe is needed for this construction. This slope will need to be protected while
grass is being established. It is my recommendation to sod the area if the owners are
willing to maintain the sod until it can begin to grow without watering on a constant
basis. The other option is to build a headwall along the ends of the pipe however this
may not be financially feasible.
Since this project does cross a perennial stream and Tar Pam Buffers will be disturbed the
project plans are required to be submitted to NCDENR, Division of Water Resources for
allowable use permitting.
With the longitudinal slopes an erosion control fabric will need to be placed in the last
1001f of ditch on each side of the crossing to protect the swales from eroding into the
new crossing. Permanent Check dam structures have also been shown on the plans to
assist in reduction of erosion during the construction. These structures will need to be
maintained during construction and repaired if needed during construction prior to final
seeding.
After consultation with a contractor the owners have decided to use a 72" CAP for the
stream crossing. The project data has been updated to show the results of the system
using this size and type pipe. The 3-36" CMP option is no longer being used.

1
i
r

NOAA Atlas 14, Volume 2, Version 3
Location name: Blounts Creek, North Carolina,i2� W us* 111
Latitude: 35.35750, Longitude: -76.9738°1i
Elevation: 34 ft* ,gip n
source Google Maps
POINT PRECIPITATION FREQUENCY ESTIMATES
G.M. Bonnin, D. Martin, B. Lln, T. Parzybok, M Yenta, and D. Riley
NOAA, National Weather Service, Silver Spring, Maryland
PF tabular I PF graphical I Maps & aedals
PF tabular
PDS -based point precipitation frequency estimates with 90% confidence intervals (in inches)1
Duration
Average
recurrence
Interval (years)
50
100
200
500
IF 1000
0.459
0.535 0.613 0.696
0.785
0.861
0.932
11 1,00
1.09
5 -min
1.17
(0.418-0 505)1(0.489-0.588)1(0.559-0.672)1(0.633-0.762)1(0
710-0.860)
(0.776-0.943)
(0.836-1.02)
(0.8941.10)
(0.9641.20)
(1.03-1 29)
0.732
0.856 0.982 1.11
1.25
1.37
10{nin
1.48
1.59
1.73
1.85
1(0.667-0.807@0.782-0.940)1[(0.895-1.08)
1 (1.01-1.22)
(1.13-1.37)
1 (1.24-1.50)
(1.33-1.62)
(1.42-1 74)
(1.52.1.89)
1(162-203)
0.916
1.08 1--247F-1-41-77-1-59
7F
15{rtin
1.74
1.8771
2.01
F 2.17
2.32
1(0834-1.01)1[(0.983-1.18)11
(1.13-1.36) 1 (1.28-1.54)
11 (143-1.74)
1 (1.57-1.90)
1(1.68-2.05)11(1.79-220)11(1.92-238)11(2.03-2.55)
1'25
1.49 f.76 2.04
30�rtin
2.35
2,62
2.87
3.12
3A6
3.75
(1.14138)
1 (1.36-1.63) 1 (1.61-1.93) (1.85-2.23)
1.(2.13-2.57)
1 (2.36.2.86)
(2.57.3.14)
(2.78-342)
1(3.05-3.79)1[(3.29-412)
1.86 226 2.66
3.13
��Fo
3.54
3.95
4,38
4.96
5A8.43
1 72)
(1 70-2.05) (2.06-2.48) (2.42-2 91)
(2.83-3.43)
(3 19-3.88)
(3.544 33)
(3.90-4 80)
(4.38-5.44)
(4.80-6.02)
1'85
2.22--1755-IF 2.75 3.29T
-3-9-877-461-7F-5-24.3
2 -hr
6 .8871
7.75
(1.67.2.06)
(2.01-2.45) 11 (2.49-304) (2.98-3.63)
1 (358-4.37)
1 (4.12-506)
(4.66-5.76)
(5.23-6.51)
1(602-7.57)
1(6.71-853)
F-59-911
2.38 If 2.97 3.58
3 -hr
4.38
IF 6.12
5.89
6.74
7.95
1 9.07
(1.79-2.24)
(2.15-2.67) 1 (2.68-3.32) (3.21-3.99)
1 (391-4.87)
1 (454-5.68)
1(5.19-653)
1(5.89-746)11(6.87-8.82)
(7.75-10.1)
F-2--39-1
2.86 1 F 3.57 4.31
6 -hr
5.28
F-6--'9-­IF--7-'-5-7F-8--21
7F
9.73
11.2
(2.15-2.71)
(2.58.3.23) (3.20-4 02) 1 (3.86-4.85) 11
(4.70.5.92)
1 (6.48-6.94)
1(6.28-799)
(7.14-9.16)
(8.35-10.9)
(9.45 12.5)
2.80
3.36IF-4--20-7F-5--10
12 -hr
6.29
7.43
8.64
9.98
11.9 71
13.8
(2.51-3.17)
(3.02-3.79) (3.76-4.74) 1 (4.55-5.75)
(5.57-7.07)
1.(653-8.32)
1(7.51-966)
(8.60-11.2)
(10.1-13.3)
1(11.5-154)1
3.30
4,01 6--19-7F-6-.19-11
(-11.9-�
24 -hr
�������
7.66
8.94
10.3
14.2
16.2
(300-3.67
(3.65-4.46) (4.70-5.76 (5.58-6.85)
(6.86-8.47)
(7.94-9.86)
(9.10-11.4)
(10.3-13.1)
(12.1.15.7)
(13 7-18.0)
F-581-71
4.62 F 5.93 7.06 71
8.76
10.2
11,9
(3.46-4 24)
(4 19-5.13) (5.37-659) (637-7.82)
Q 84-9.67)
(9 09-11 3)
(10.5-13.1)
M
(14.1.18 4)
(15.9.21 1)
4.06
4.91 6.28 7A3
3 -day
9.13
10.6
�����
12.2
14.0
16.7
19.0
(3 70.4 48)
(4 48 5.43) (5 71-6.93 (6.73-8.19
(8.21 10 0 )
(9 46-11.7)
(10.8 13 5)
(12,2 15.4)
(14 3-18 5
16 1.21 2)
4.30
5.21 6.62 7.79
4 -day
9.51
10.9
12.5
14.2
16.9
19.1
(3.94-4.73)
(4 76-5.72) (6.(!47 27) (7,09.8.56)
(8.59-10.4)
(9 82-12 0)
(11.1.13.8)
(12,5 15 7
(14,6-18.6)
��
(16.3.21.3)
5.03
6.05 7.61 8.89
7 -da y
10.7
12.3
13.9
15.7
18.3
20.4
(4 62-5 50)
(5 57.6.62) (6 97-8.31) 1 (8.13-9.71)
(9.75-11.7)
1 (11 1-13.4)
(12 5-15 2)
(13 9-17 2)
(15 9-201)11(17
6-22 6)
5.72 11
6.86 8A9 9.84
10�Jay
��������
11.8
13A
15.1
17.0
19.6
21.7
(528-624)
(6.33-7 48 (7.83-9.26) (9.04-107)
(10.8-12.8)
(12.2-14.6)
(13.6-16.5)
(15 1-18.5)
(17.2.21 5)
(18 9-24.0
7.73
9.20 7F 11.2 12.8
20<iay
15.1
17.0
�����
19.0
21.1
24.1
26.5
(7.16-8.37)
(8.53-9.97) (10.4-12.1) (11.8-13.9)
(13.9-164
(15.6-18.5)
(17 3-20.7)
(19.0-23.0)
(21.4-26.4)
(23 2-29.1)
9.55
11.3 13.6 15.5
30ilay
������
18.0
20.1
22.1T-24--37727-2
29.5
(8.89-10.3)
(10 6 12 2) (12.7 14 7) (14.4 16.7)
(16.7-19.4)
(18 5 21.6)
(20 3 23.9)
(22 1 26 2)
(24 5 29 5)
(26 4.32.1)
11.9 11
14.0 16.8 19.0
45 -day
22.2
24.7
27A
30-.1-71
34.0 IF
37.0
(11.1-12.8)
(13.1•i5.1) (15.6-18.0) 1 (17.7-20.4)
(20.5-23.8)
1 (22.8-26,6)
(25.1-295)
(274-32.6)
1(30.6-369)11(330-40.4)1
14'2
16.8 19.8
60 -day
22.3
25.6
28.2
30.8
33.5
37.1
39.9
(13.3-15.2)
(15.8-18.0) (18.6-21.2) (20.8-23.8)
(23.8-27.4)
(26.1-30,2)
(28.5-33.1)
(30.7-36 0)
(33.7-40 1)
(35 9 43 3 )
Precipitation frequency (PF) estimates In this table are based on frequency analysts of partial duration series (PDS).
Numbers in parenthesis are PF estimates at lower and upper bounds of the 90% confidence Interval. The probability that precipitation frequency estimates
(for a given duration and average recurrence intervaq will be greater than the upper bound (or less than the lower bound) is 5%. Estimates at upper
bounds are not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values.
Please refer to NOAH Atlas 14 document for more information.
!Z �111JKL�lj

NOAA Atlas 14, Volume 2, Version 3
Location name: Blounts Creek, North Carolina,
US* 'kk
Latitude: 35.35750, Longitude: -76.97380 }g
Elevation: 34 ft* "4..
*source Google Maps
POINT PRECIPITATION FREQUENCY ESTIMATES
G.M. Bonnin, D. Martin„B. Lin, T. Parcybok, M Yekta, and D. Riley
NOAA, National Weather Service, Silver Spring, Maryland
PF tabular ( PF graphical I Maps& aerials
PF tabular
PDS -based point precipitation frequency estimates with 90% confidence intervals (in incheslhour)1
Duration
Average recurrence interval (years)
1
����������
2
5 10
25
50
100
200
500
1000
5.51
6A2
7.36 8.35
9A2
10.3
11.2
12.0
13.1
IF 4.1
5 -min
(5.02-6.06)
1 (5.87-7.06)
1 (6.71-8.06) 1 (7.60-9.14)
1 (852-10.3)
1 (9.31-11.3)
11 (10.0-123)
1 (10.7-132)
1 (11.6-14.4)
(12.3-15.5)
4.39
5.14
5.89 6.68
-7-6-1-7F-8--237F-s--89
9.55
10A
11.1
10�rtin
(4.00-4.84)
1 (4.69-5.64)
1 (5.37-6.46) 1 (6.07-7.31)
1 (6 79-8.22)
1 (7.42-9.01)
11 (7.97-9.73)
1 (850-10.5)
1 (9.14-11.4)
(9.70-12.2)
3.66
4.30
4.97 5.63
6.34
6.95
7A9
8.03
8.69
9.27
15�ttin
(3.34-404)
F -21-177-2-9-7-T-3--53
1 (3.93-4.73)
1 (4.53.5.44) 1 (512-6.17)
4.08
1 (5.74-6.95)
4.70
1 (6.26-760)
5.23
1 (6.72-8.20)
5.74
1 (715-879)
6.25
(7.67-9.53)
6.91
1 (8.12-102)
7.50
30 -min
(229-2.77)
1 (2.71-3.26)
1 (3.22-387) (371-4.47)
(4.25-5.15)
1 (4.72-5.73)
(5.14-6.28)
(5.56-684)
(6.11-7.58)
11 (6.57-8.24)
1.56
1.86
2.26 2.66
3.13
3.54
3.95
4.38
4.96
5A8
60ir1in
(143-1.72)
(1.70-2.05)
(2.06.2.48) (2.42=2.91)
(2.83-343)
(3.19-3.88)
(3.54-433)
(3.90-4.80)
(4.38-5.44)
1 (4.80-6.02)
0.924
1.11
1.38 1.65
1.99
-2.3O-7F-2.62
2.96 73A4
3.87
2 -hr
(0.835-1.03)
(1.01-1.23)
(1.25.1 52) (149-1.81)
(1.79-2.19)
(2.06-2.53)
(2.33-288)
(2.62-325)
(3.01-3.78)
(336-4.27)
0.662
-0.7-94-7F-O-.9-8-8--]F-l.-l9-7F1A6
1.71
1.96
2.24
2.65
1 F 3.02
3 -hr
(0.595-0.745)
(0 717-0.889)
1 (0.891-1.10) 1 (107-1.33)
1 (1.30-1.62)
(1.51-1.89)
(1.73-2.17)
(1.96-2.49)
1 (2.29-2.94)
1 (2.58-3.36)
0.399
0.478
0.596 197F
0.882
1.03
1.20
1.37 11
1.63
IF 1.86
6 -hr
(0.358-0452)
(0.431-0.539)
(0.535-0.671) (0.6440.809)
(0.785-0989)
1 (0.915-1.16)
1 (1.05-1.33)
1 (1.19-1.53)
(1.40-181)
1 (1.58-2.08)
0.232
0.279
0.349 OA23
0.622
0.617
0.717
0.829
0.991
1.14
12 -hr
(0.208-0.263)
(0250-0.314)
(0.312-0.393) (0.378-0.477)
(0.463-0587)
(0.542-0.691)
(0.624-0.802)
(0.714-0.926)
1 (0.840-1.11)
(0.957-1.28)
0.138
0.167
0.216 0.258
0.319
0.372
OA31
OA95
0.592
0.674
24 -hr
(0.125-0.153)
(0 152-0.186)
1(0.196-0.240)11(0.233-0.285)
(0.286-0 353)
(0.331-0.411
0 379-0.475
( )
(0.431-0 54 7)
(0 506- 0.656)
��
(0.569.0.750)
0.079
0.096
0.124 0.147
0.182
0.213
0.248
0.28671
0.344
0.393
2�lay
(0 072-0.088)
(0 087-0.107)
(0 112-0.137) (0.133-0.163)
(0 163-0 202)
(0.189-0 235)
(0.218-0 274)
(0 248-0 317)
(0 293-0 383)
(0 330.0.440)
0.056
-0.0-6-87F-0.-087
0.103 7
F 0.127 7
F 0.147-7--0.
1-7-0
0.194
0.232
0.264
3 day
(0.051-0.062)
(0 062-0.075)
(0 079-0.096) (0.094-0.114)
(0.114-0.140)
(0 131-0.162)
(0 150-0 187)
(0.170-0.215)
(0 199.0 257)
(0.223-0 294)
0.045
0.054
0.069 0.081
0.099
0.114
0.131
0.148
0.176
0.199
4�ay
(0.041-0 049)
(0.050-0.060)
(0 063-0 076) (0.074-0.089)
(0.089-0.109)
(0.102-0.125)
(0.116-0.143)
(0.131-0.163)
(0.152-0.194)
(0.170-0.222)
0.030
0.036
0.045 0.053
0.064
0.073
0.083
0.093
0.109
0.122
7�day
(0 027-0 033)
(0.033-0.039)
(0 042.0 049) (0.048-0.058)
(0.058-0 070)
(0.066-0.080)
(0.074-0 091)
(0 083-0.102)
(0.095-0 120)
(0.105-0.134)
0.024
0.029
0.035 0.041
0.049
0.056
0.063
0.071
0.082
0.091
10i1a y
(0 022-0 026)
(0 026-0.031)
(0.033-0 039) (0 038-0.045)
(0.045-0.053)
(0 051-0 061)
(0 057-0.069)
(0 063-0 077)
(0 072-0 090)
(0.079-0.100)
0.016
-0-0-1-97-0--02-3
7F 0.027
0.032
0.035
0.040
0.044
0.050
0.055
20�a y
(0 015-0.017)
(0.018-0.021)
(0.022-0 025) (0.025-0.029)
(0.029-0.034)
(0 032-0.038)11(0.036-0.043)1(0.040-0.048)1(0045-0.055)
(0.048-0.061)
0.013
0.016
0.019 0.021
0.025
0.028
-G.-03-17F-0.0-3-47F-O.-038-
0.041
30�a y
(0 012-0.014)
(0.015-0.017)
(0.018-0 020) (0 020-0 023)
(0.023-0.027)
(0.026-0 030)
(0.028-0.033)
(0.031-0 036)
(0 034-0.041)1(0.037-0045)
0.011
-0.01-37F-0-5-1-6-
0.018
0.021
-0.02-3--JF-O.0-25-IF-0.0-28
0.031
0.034
45�1a y
1(0.010-0.012)1(0.012-0
0.010
014)
0.012
(0.014-0.017) (0.016-0.019)
0.014 0.015
(0 019-0.022)
0.018
(0.021-0.025)
0.020
(0.023-0 027)
0.021
(0.025-0.030)
0.023
(0.028-0.034)
0.026
(0.031-0.037)
0.028
60�ay
(0.009-0.011 )
( 0.011-0.012 )
estimates In
( 0.013 0.015 (0.0140 017)
)
this table are based on frequency
(0.017 0.019)
(0.018 0.021)
(0.02Q 0.023)
(0 021 0.025)
(0 023 0 028)
(0.025 0.030)
Precipitation
frequency (PF)
analysis
of partial duration
series (PDS).
Numbers in
parenthesis are
PF estimates
at lower and upper bounds of
the 90% confidence
interval.
The probability
that precipitation
frequency estimates (for a
given duration
and average
recurrence interval)
wig be greater than the
upper bound (or
less than the
lower bound) is
5%. Estimates
at upper bounds are not
checked against
probable
maximum precipitation
(PMP) estimates and
may be higher
than currently
valid PMP values.
Please refer
to NOAH Atlas
14 document
for more information.

Hydrology Report
Hydraflow Express Extension for AutoCAD@ Civil 3D® 2009 by Autodesk, Inc.
MOSLEY DRIVE CULVERT
Hydrograph type
= SCS
Storm frequency (yrs)
= 10
Drainage area (ac)
= 133.000
Basin Slope (%)
= 0.01
Tc method
= Kirpich
Total precip. (in)
= 6.19
Storm duration (hrs)
= 24
Q (cfs)
140.00
120.00
40.00
20.00
0.00 -j
0.0
3.0 6.0 9.0
Runoff Hyd - Qp = 129.54 (cfs)
Runoff Hydrograph
10 -yr frequency
Saturday, May 30 2015
Peak discharge (cfs) = 129.54
Time interval (min)
= 1
Curve number (CN)
= 80
Hydraulic length (ft)
= 3250
Time of conc. (min)
= 167
Storm Distribution
= Type III
Shape factor
= 484
Hydrograph Volume = 1,908,525 (cuft); 43.814 (acft)
Q (cfs)
140.00
120.00
100.00
40.00
20.00
0.00
12.0 15.0 18.0 21.0 24.0 27.0 30.0
Time (hrs)
i'

Hydrology Report
Hydraflow Express Extension for AutoCAD® Civil 3D® 2009 by Autodesk, Inc. Saturday, May 30 2015
MOSLEY DRIVE CULVERT
Hydrograph type
= SCS
Peak discharge (cfs)
= 253.73
Storm frequency (yrs)
= 100
Time interval (min)
= 1
Drainage area (ac)
= 133.000
Curve number (CN)
= 80
Basin Slope (%)
= 0.01
Hydraulic length (ft)
= 3250
Tc method
= Kirpich
Time of conc. (min)
= 167
Total precip. (in)
= 10.30
Storm Distribution
= Type III
Storm duration (hrs)
= 24
Shape factor
= 484
Q (cfs)
280.00
240.00
200.00
160.00
120.00
:1 0
40.00
Runoff Hydrograph
100 -yr frequency
0.00 - ....
0.0
Hydrograph Volume = 3,769,683 (cult), 86.540 (acft)
Q (cfs)
280.00
240.00
200.00
160.00
120.00
40.00
n nn
3.0 6.0 9.0 12.0 15.0 18.0 21.0 24.0 27.0 30.0 v v y
Time (hrs)
Runoff Hyd - Qp = 253.73 (cfs)
IBc'1

Culvert Report
Hydraf low Express Extension for AutoCAD® Civil 3D® 2009 by Autodesk, Inc.
Mosley Drive Culvert
Invert Elev Dn (ft)
= 13.95
Pipe Length (ft)
= 80.00
Slope (%)
= 0.60
Invert Elev Up (ft)
= 14.43
Rise (in)
= 72.0
Shape
= Cir
Span (in)
= 72.0
No. Barrels
= 1
n -Value
= 0.024
Inlet Edge
= Projecting
Coeff. K,M,c,yk
= 0.0045, 2, 0.0317, 0.69, 0.5
Embankment
= 0.73
Top Elevation (ft)
= 22.00
Top Width (ft)
= 20.00
Crest Width (ft)
= 120.00
Elev (N)
23.00
2100
1900.
1700
15.00
13 00
11.00
Mosley Drive Culvert
Friday, Feb 19 2016
Calculations
Qmin (cfs)
= 70.00
Qmax (cfs)
= 160.00
Tailwater Elev (ft)
= 0.00
Highlighted
Qtotal (cfs)
= 130.00 itgr--.
Qpipe (cfs)
= 130.00
Qovertop (cfs)
= 0.00
Veloc Dn (ft/s)
= 8.81
Veloc Up (ft/s)
= 6.89
HGL Dn (ft)
= 17.05
HGL Up (ft)
= 18.23
Hw Elev (ft)
= 18.83
Hw/D (ft)
= 0.73
Flow Regime
= Inlet Control
Hw Depth (It)
8.57
657
4.57
257
0.57
-1.43
343
Peach IN
Cu Advert ---HGL Embank

Culvert Report
Hydraflow Express Extension for AutoCADO Civil 3DO 2009 by Autodesk, Inc.
Mosley Drive Culvert
Invert Elev Dn (ft)
= 13.95
Pipe Length (ft)
= 80.00
Slope (%)
= 0.60
Invert Elev Up (ft)
= 14.43
Rise (in)
= 72.0
Shape
= Cir
Span (in)
= 72.0
No. Barrels
= 1
n -Value
= 0.024
Inlet Edge
= Projecting
Coeff. K,M,c,Y,k
= 0.0045, 2, 0.0317, 0.69, 0.5
Embankment
= 1.12
Top Elevation (ft)
= 22.00
Top Width (ft)
= 20.00
Crest Width (ft)
= 120.00
Elev IPI
23m
2100
1900
1700
15.00
1300
11.00
Mosley Drive Culvert
Monday, Feb 22 2016
Calculations
Qmin (cfs)
= 160.00
Qmax (cfs)
= 253.00
Tailwater Elev (ft)
= 0.00
Highlighted
Qtotal (cfs)
= 250.00
Qpipe (cfs)
= 250.00
Qovertop (cfs)
= 0.00
Veloc Dn (ft/s)
= 11.41
Veloc Up (ft/s)
= 9.06
HGL Dn (ft)
= 18.29
HGL Up (ft)
= 20.07
Hw Elev (ft)
= 21.15
Hw/D (ft)
= 1.12
Flow Regime
= Inlet Control
H. Depth (ft)
857
657
457
2 5?
0.57
4.43
3.43
Reach Ifll
C. GAvert HGL Er,,b.*

New York DOT Dissipator Method For Use in Defined Channels
Sotirce. Batik and challilel linuic procedtires . '.\-ew York Departli:ellt of
Traiisportanoil. Division of Design and Cotlstnictlon. 1971 t
Guide to Color Key: JUser Input Data lCalculated Value
Designed By: Marie Peedin Date:2/19/16
Company: Inner Banks Engineering
Project Name: MOSLEY DRIVE CULVERT
Project No.: 15016
Site Location (City/Town) BLOUNTS CREEK NC
Culvert Id. 1
Estimation of Stone Size and Dimensions For Culvert Aprons
Step I � Compute flow velocity- V. at cul; ert or paved c:-.minel outlet.
step 2, For pipe ciih-erts DQ is diaiiieter.
For pipe arch. arc:: and box cith-erts, and pa, -ed c'ialinel cvmlets.
D, = A.1\Iieie = crDss-sectional area of f1D�� at Darier.
For multiple ciilverts. use D, = 1.2> x DC of sins!le cul:eri
Velocity (ft/s) 8.81
Opening type Pipe Culvert
Single or multiple openings? Single
Outlet pipe diameter, Do (ft) 6
NOTE 1: If opening type is anything other than "Pipe Culvert", Do=Ao
(Cross-sectional area of flow at outlet).
NOTE 2: If multiple openings, D,=1.25 x D, of single culvert.
Step 3) For apron grades of lU°o or steeper. ttse recotiilllendatlolis
For next liiZ`er zone f Zones 1 fl,"sough 6''
Zone 2 Figure 8.06c
Will apron have >/=10% grade? No

NOTE: For apron slopes equal to or greater than 10%, use next higher Zone in Figure 8.06d to
determine apron length.
Apron length (ft) 25 Figure 8.06d

Determination of Stone Sizes For Dumped Stone Channel Linings
and Revetments
Step 1. Use figure 8.06.® to deternime nig\lnilun stone size e o for 1
Fps = ,0 or Ibs.
Max. stone size (in.) 12 Figure 8.06e
Step '_. Use figure S.C16.© to deteliiline acceptable size range for stone
( or 1 ' FPS it is 1 0'0 lbs_ for 7 5 c of stone. alld 1112 111, 11111
and innuniiuu range 111 %veiallt should be , :";0 lbs i.
NOTE: In deternilnine, cllamiel velocities for stone hiluin and revetineilt
Ilse the followiliq coefficients
Diaineter
lulClleS,1
of Iollg'111ess
1�lailil111? 5 ::121
11 of 11111lig
C{ilcltiIiei
1lliclie 51
Fule
0.C31
9
1,
Light 6
0_ ;;
1?
1 S
Medium 1 }
0-0 40
1 S
-14
Heavv
j 6
L77
Min. & max range of stones (Ibs)
25-150
Figure 8.05f
Weight range of 75% of stones (Ibs)
50-150
Figure 8.05f

SUPPORTING DITCH CALCULATIONS
Project Name MOSLEY DRIVE
BLOUNTS CREEK, NC
I. Location
A. Determine Peak Discharge from 2 -YR & 10 -YR Storms
Use the Rational Method ( Q = CiA )
GIVEN:
Total Drainage Area: 0.50 Acres
Area by Land Use:
Asphalt/Concrete 0.02
grass 0.48 Acres
FIND:
Peak Runoff Rate from 2 -YR & 10 -YR Frequency Storms
SOLUTION:
5/30/2015
1. Drainage Area: 0.50
Acres
2. Determine Runoff Coefficient, C ( Weighted Average�
Land Use Area
C
Asphalt/Concrete 0.02
x 0.98
grass 0.48
x 0.20 =
0.50
_
Therefore C = 0.23
3. Determine Time of Concentration
( Tc ) from Fig. 8.03a
Segment 1
Maximum Slope Length:
150 Ft. 100
Average Slope:
8.00 % 0.1
Height Above Outlet:
12.0 Ft. 10
THEREFORE Tc = 1.0
Minutes Adj. Factor= 2
ADJUSTED Tc = 2.0
Minutes
TOTAL Tc = 2.0 Minutes
Page 1 of 2
0.02
l AI
Use 1 5.0 Minutes

4. Determine Rainfall Intensity Factor ( I ) from Fig. 8.03e ( BLOUNTS CREEK)
THEREFORE i (2) = 6.42 In/Hr
THEREFORE i (10) = 8.35 In/Hr
5. Q = C(i)(A)
Q (2) = 0.74 CFS
Q (10) = 0.97 CFS
B. Calculate Channel Velocity and Depth for Peak Runoff from 2 -YR & 10 -YR Storms
GIVEN: Q (2) =
0.74 CFS
Q (10) =
0.97 CFS
Max. Slope =
8 %
Max. Slope =
8 %
n =
0.03
n =
0.030
Width =
1 Ft.
Width =
1 Ft.
Side Slope Left =
2
Side Slope Left =
2
Side Slope Right =
2
Side Slope Right =
2
SOLUTION: Using Manning's Equation:
D (2)= 0.16 Ft. D (10)= 0.19 Ft.
V (2) = 1 3.49 Ft/S V (10) = 1 3.78 Ft/S
THEREFORE, See Shear Stress Analysis THEREFORE, Velocity is O.K.
Page 2 of 2

V�
v
_ NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory
Governor
March 10, 2015
Jay and Joy Mosley
48 Norman Road
Blounts Creek, NC 27814
Subject Property: Jay and Joy Mosley Property
UTs to Blounts Creek, Tar -Pamlico River Basin
Donald R. van der Vaart
Secretary
DWQ # 15-0240
Beaufort County
On -Site Determination for Applicability to the Tar -Pamlico River Riparian Area Protection Rules (15A NCAC
26.0259)
Dear Mr. and Mrs. Mosley:
On March 3, 2015, at your request, Anthony Scarbraugh conducted on-site determinations to review
unnamed tributaries (UTs) to Blounts Creek located on the subject property for applicability to the Tar -
Pamlico Buffer Rules (15A NCAC 2B .0259). The features are labeled as "15-0240 A and 15-0240 B" on the
attached map(s) initialed by Mr. Scarbraugh on March 10, 2015. The project is located approximately 0.1
miles southwest of intersection of Tripp Road and Norman Road near the Town of Blounts Creek,, Beaufort
County.
At your request, Mr. Scarbraugh conducted on-site determinations as stated above. During his review, he
evaluated the streams using the DWR Stream Classification Form. He evaluated the stream reach "15-0240
A" at 35.35731 N, 76.97507 W and calculated the score to be 33.75 points. He evaluated the stream reach
"15-0240 B" at 35.35861 N, 76.97639 W and calculated the score to be 27.75 points. The form states that if
the sc%e is "greater than or equal to 19 points the stream is at least intermittent."
The Division of Water Resources (DWR) has determined that a portions of features labeled as "15-0240 A
and 15-0240 B" on the attached map(s), and highlighted in blirp is subject to the Tar -Pamlico Buffer Rules.
The feature and its associated buffers should be identified on any future plans for this property. The owner
(or future owners) should notify the DWR (and other relevant agencies) of this decision in any future
correspondences concerning this property. This on-site determination shall expire five (5) years from the
date of this letter.
Landowners or affected parties that dispute a determination made by the DWR or Delegated Local
Authority that a surface water exists and that it is subject to the buffer rule may request a determination by
the Director. A request for a determination by the Director shall be referred to the Director in writing c/o
Karen Higgins, DWR 401 & Buffer Permitting Unit, 1617 Mail Service Center, Raleigh, NC 27699-1650.
Individuals that dispute a determination by the DWR or Delegated Local Authority that "exempts" a surface
Division of Water Resources — Water Quality Regional Operations Section — Washington Regional Office
943 Washington Square Mall, Washington, NC 27889
Phone: [phone] Fax, 252-975-37161 Internet. www ncdenr,gov
An equai 0oornnity ` r.dimaoe Action Emplayer —Made in Pari by recycled paper

jay u--7 ....,_._,
Stream Determination
Page 2 of 2
water from the buffer rule may ask for an adjudicatory hearing. you must act within 60 days of the date
that you receive this letter. Applicants are hereby notified that the 60 -day statutory appeal time does not
start until the affected party (including downstream and adjacent landowners) is notified of this decision.
DWR recommends that the applicant conduct this notification in order to be certain that third party appeals
are made in a timely manner. To ask for a hearing, send a written petition, which conforms to Chapter
150B of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service
Center, Raleigh, N.C. 27699-6714. This determination is final and binding unless you ask for a hearing
within 60 days.
This letter only addresses the applicability to the buffer rules and does not approve any activity within the
buffers. Nor does this letter approve any activity within Waters of the United States or Waters of the State.
If you have any additional questions or require additional information please call Anthony Scarbraugh in the
Washington Regional Office at [phone].
Sincerely,
Robert Tankard, Assistant Regional Supervisor
Water Quality Regional Operations Section
Division of Water Resources, NCDENR
Attachments: USGS Topographic 1:24,000 Quadrangle Map "Edwards"
copy of sheet 17, 1995 version of Beaufort County Soil Survey
cc: DWR 401 & Buffer Permitting Unit
File Copy
Filename 15-0240

SCALE 1:12000
0 1000 2000 3000
FEET

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CONSTRUCTION AUTHORIZATION
Beaufort County Health Department
Environmental Health Section
220 North Market St.
Washington NC 27889
Phone: [phone] Fax: [phone]
Applicant,
by e. Mosley
Address'
48 Norman Road
CRY
SMunt9 Creels
Statelztp:
NC
Phone V:
[phone]
AadressNamtan Road
Road 0 SkKMta Creek NC 27814
Township:
Structure- SINGLE FAMILY
s of 9edrooms. 3
t or People: 2
'Vater 8uppq: NEW WELL
*She Classification' PS @ Grade wfCap
For 0(ke ut oan 9i�iWf
'SDP Fie Nu"11 99$52.1
Counrx to Number. 6509415452
Evatuated For. NEW
PERUIT VAUD UNTIL 0 5/ 1 4/� 0� 0
❑ ODen Pump System Sheet
Property Owner. Joy a. Mosley
Address, 48 Nommn Road
CiV. Brolmts Creek
27810 Statelzip: NC 27810
Ptrone af, (612) 8178766
Property Locatfoa a Site Iatorrnadoat
Subdivision, Phase: Lok
Directions
Take highway 33 toward Aurora from Chocowintty, turn right onto Tripp Road,
go hall mile and tum right on Nomtan Road.48 Norm Road immediatey on
Ow right. subject property new site. 300 feet past 48 Norman Road on left
Saprouie System? QYes (DElo
Design Flaw., 3 6 0
Bog Application Rate:
a
'System CtasslficatlowDesulpllon,
TYPE 11 C. COM/, SYSTEM WITH SHALLOW PLACEMENT
'Proposed System' 25% REDUCTION
Numtcation Field 7 2 ® 9Q_ ft
No. Drain Lines 6
Total Trench Lenoth: 2 4 0 tG
Trench Spacing: g
11ftcheso.C.
.. Feet O.0
Trench Width: 3 Inches
Feet
Aggregate Depth. 1 2 inches
U tni-rnum Tranth Depth' 1 Inches
N aximum Trench Depth 1 inches
Gitninium Sop Cover. 6 Indies from
`Natural Ground Lever
Maximum $op Cover: 2 4 inches
l4sturat Ground Levet'
'Distribution Type. GRAVITY . PARALLEL (eq. d -box)
SeptrcTar& 1 0 0 0 GUNS
Pump Requred, QYes ©No
Pump T ants: Gallons
Crease Trap: GaMaas
Septic Tank Installer 01 Olt 0111 01V
Grade Level Requited:
l lie issuance of crus permit ay the Heaitli Depanment to no way guarantees the Issuance Of other pernw& The pernid holder
is responsible for checwg with appropriate governing bodies to meeting their requirements.
2tirrillCoadifiUl Install 1000 gal, septic tank, 490'(3*- 4") supply line. 1 d -bon, 6 (3' x 40) accepted drsinlines (25% reduction taken), and
W topsoil cwmr. Supply tine requires 118" per foot tail with no sags. $wales are required (see site diagram). Maintain S'
building setback. An Operation Permit will be issued upon approval of landscape inspection by SCHD.
TAB A@I101x0iea for VANU altar System Coaettrcttoo SAM be valid Uwe Pill a spurt to the period olvalidity of the ktlprovemeat Pam not to exceed ttw pan, and
a11ry Oa ifetNd R Mie esrha time isle trnpwvamaft Pmawt based (NOG S 13tM�(D)� h the iastdlatloo stn sot been cempkted dntq� qts pMod of vatidiry pt One
Caaetrumn p*ML tba Inhwatow sumilmd to Ime applicesm for a pwa or Carstrerftoo Anthonzadoa is wmad to bare Haan inooaeq falsified of rhapoedor the
so le attend, into p s"d or eoasWcdon Ass"U rion as dame hlVdIK SNOW be eolpmded or swot ed j 1937(91). Ttfa person owdnq or Cpaimlleq tM sotem
aAaM be 111800112M for aswrNg cernpManee WAN So WM W10% a0 perryit modig— regar6ep sysam foaMoo. lolialedon. operaioa, mdahawof. moeltodv4
'Authorized State Agent: 2319 • Dahien make ) Date of Issue: 0 6 / 0 4 / 2 0 1 5

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