SW8040205_HISTORICAL FILE_20040213

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 U`i02p5
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
200`}0213
YYYYMMDD

O
:v y
Mr. David Ray Murdoch, Jr.,
M & N Enterprises, LLC
123 Nine J Road
Newport, NC 28570
Dear Mr. Murdoch:
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E.,Direclor
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
February 13, 2004
Subject: Permit No. SW8 040205
Fred's Beds
High Density Stormwater Project
Carteret County
The Wilmington Regional Office received a complete Stormwater Management Permit .
Application for Fred's Beds on February 12, 2004. Staff review of the plans and specifications
has determined that the project, as proposed, will comply with the Stormwater Regulations set
forth in Title 15A NCAC 2H.1000. We are forwarding Permit No. SW8 040205 dated February
13, 2004, for the construction of Fred's Beds.
This permit shall be effective from the date of issuance until February 13, 2014, and shall
be subject to the conditions and limitations as specified therein. Please pay special attention to
the Operation and Maintenance requirements in this permit. Failure to establish an adequate
system for operation and maintenance of the stormwater management system will result in future
compliance problems.
If any parts, requirements, or limitations contained in this permit are unacceptable, you
have the right to request an adjudicatory hearing upon written request within thirty (30) days
following receipt of this permit. This request must be in the form of a written petition,
conforming to Chapter 150B of the North Carolina General Statutes, and filed with the Office of
Administrative Hearings, P.O. Drawer 27447, Raleigh, NC 27611-7447. Unless such demands
are made this permit shall be final and binding.
If you have any questions, or need additional information concerning this matter, please
contact Laurie Munn, or me at [phone].
Sincerely,
t (�-1Z-.��
Rick Shiver
Water Quality Regional Supervisor
RSS/:Ism S:\WQS\STORMWAT\PERMIT\040205.feb04
cc: Ginger Turner
Carteret County Building Inspections
Laurie Munn
Wilmington Regional Office
Central Files
N. C. Division of Water Quality 127 Cardinal Drive Extension [phone] Customer Service
Wilmington Regional Office Wilmington, NC 28405 [phone] Fax [phone] IN NR

State Stormwater Management Systems
Permit No. SW8 040205
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of North
Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
M & NEnterprises, LLC
Fred's Beds
Carteret County
FOR THE
construction, operation and maintenance of a wet detention pond in compliance with the
provisions of 15A NCAC 2H .1000 (hereafter referred to as the "stormwater rules') and the
approved stormwater management plans and specifications and other supporting data as attached
and on file with and approved by the Division of Water Quality and considered a part of this
permit.
This permit shall be effective from the date of issuance until February 13, 2014, and shall be
subject to the following specified conditions and limitations:
I. DESIGN STANDARDS
This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
2. This stormwater system has been approved for the management of stormwater runoff as
described on page 3 of this permit, the Project Data Sheet. The stormwater control has
been designed to handle the runoff from 96,013 square feet of impervious area.
The tract will be limited to the amount of built -upon area indicated on page 3 of this
permit, and per approved plans. The built -upon area for the future development is limited
to 56,123 square feet.
4. All stormwater collection and treatment systems must be located in either dedicated
common areas or recorded easements. The final plats for the project will be recorded
showing all such required easements, in accordance with the approved plans.
The runoff from all built -upon area within the permitted drainage area of this project must
be directed into the permitted stormwater control system. A permit modification must be
submitted and approved prior to the construction of additional built -upon area from
outside of the approved drainage area.

State Stormwater Management Systems
Permit No. SW8 040205
DIVISION OF WATER QUALITY
PROJECT DESIGN DATA SHEET
Project Name:
Permit Number:
Location:
Applicant:
Mailing Address:
Application Date:
Receiving Stream/River Basin:
Stream Index Number:
Classification of Water Body:
Drainage Area, acres:
Onsite, sq. ft.:
Offsite, sq. It.:
Total Impervious Surfaces, sq. ft.:
Buildings, sq. ft.:
Parking, sq. ft.:
Sidewalks, sq. ft.:
Future Off -Site, sq. ft.:
Pond Depth, feet:
TSS removal efficiency:
Permanent Pool Elevation, FMSL:
Permitted Surface Area, sq. ft.:
Permitted Storage Volume, cubic ft.:
Temporary Storage Elevation, FMSL:
Controlling Orifice:
Permitted Forebay Volume, cubic ft.:
Fred's Beds
S W 8 040205
Carteret County
Mr. David Ray Murdoch, Jr.
M & N Enterprises, LLC
123 Nine J Road
Newport, NC 28570
February 12, 2004
Hull Swamp / White Oak
WOK 21-15
„C,,
2.99
111,644
none
96,013
11,747
27,268
875
56,123
5.0
90% (no filter is required)
18.0
7,210@Permanent Pool
8,399
19.0
1.5" � (drawdown in 2-5 days)
3,557
3

State Stormwater Management Systems
Permit No. SW8 040205
II. SCHEDULE OF COMPLIANCE
The stormwater management system shall be constructed in its entirety, vegetated and
operational for its intended use prior to the construction of any built -upon surface.
During construction, erosion shall be kept to a minimum and any eroded areas of the
system will be repaired immediately.
The permittee shall at all times provide the operation and maintenance necessary to assure
the permitted stormwater system functions at optimum efficiency. The approved
Operation and Maintenance Plan must be followed in its entirety and maintenance must
occur at the scheduled intervals including, but not limited to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and revegetation of slopes and the vegetated filter.
d. hrunediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans and specifications.
f. Debris removal and unclogging of outlet structure, orifice device, flow spreader,
catch basins and piping.
g. Access to the outlet structure must be available at all times.
4. Records of maintenance activities must be kept and made available upon request to
authorized personnel of DWQ. The records will indicate the date, activity, name of
person performing the work and what actions were taken.
5. Decorative spray fountains will be allowed in the stormwater treatment system, subject to
the following criteria:
a. The fountain draws its water from less than 2' below the permanent pool surface.
b. Separated units, where the nozzle, pump and intake are connected by tubing, may
be used only if they draw water from the surface in the deepest part of the pond.
C. The falling water from the fountain must be centered in the pond, away from the
shoreline.
d. The maximum horsepower for the fountain's pump is based on the permanent
pool volume. The maximum pump power for a fountain in this pond is 1/8
horsepower.
6. The facilities shall be constructed as shown on the approved plans. This permit shall
become voidable unless the facilities are constructed in accordance with the conditions of
this permit, the approved plans and specifications, and other supporting data.
Upon completion of construction, prior to issuance of a Certificate of Occupancy, and
prior to operation of this permitted facility, a certification must be received from an
appropriate designer for the system installed certifying that the permitted facility has been
installed in accordance with this permit, the approved plans and specifications, and other
supporting documentation. Any deviations from the approved plans and specifications
must be noted on the Certification. A modification may be required for those deviations.
8. If the stormwater system was used as an Erosion Control device, it must be restored to
design condition prior to operation as a stormwater treatment device, and prior to
occupancy of the facility.
9. The permittee shall submit to the Director and shall have received approval for revised
plans, specifications, and calculations prior to construction, for any modification to the
approved plans, including, but not limited to, those listed below:
El

State Stormwater Management Systems
Permit No. SW8 040205
a. Any revision to any item shown on the approved plans, including the stormwater
management measures, built -upon area, details, etc.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area or to the drainage
area.
C. Further subdivision, acquisition, or sale of all or part of the project area. The
project area is defined as all property owned by the permittee, for which
Sedimentation and Erosion Control Plan approval or a CAMA Major permit was
sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the approved
plan.
10. The permittee shall submit final site layout and grading plans for any permitted future
areas shown on the approved plans, prior to construction. If the proposed BUA exceeds
the amount permitted under this permit, a modification to the permit must be submitted
and approved prior to construction.
11. A copy of the approved plans and specifications shall be maintained on file by the
Permittee for a minimum of ten years from the date of the completion of construction.
12. At least 30 days prior to the sale or lease of any portion of the property, the permittee
shall notify DWQ and provide the name, mailing address and phone number of the
purchaser or leasee. An access/maintenance easement to the stormwater facilities shall be
granted in favor of the permittee if access to the stormwater facilities will be restricted by
the sale or lease of any portion of the property.
13. The permittee must maintain compliance with the proposed built -upon area and ensure
that the runoff from all the built -upon is directed into the permitted system.
14. The Director may notify the permittee when the permitted site does not meet one or more
of the minimum requirements of the permit. Within the time frame specified in the notice,
the permittee shall submit a written time schedule to the Director for modifying the site to
meet minimum requirements. The permittee shall provide copies of revised plans and
certification in writing to the Director that the changes have been made.
15. The permittee must maintain the current permitted drainage area. No additional runoff
from outside of the permitted drainage area boundary may enter the permitted stormwater
facilities without first applying for and receiving a permit modification.
III. GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the Director. In the
event of a change of ownership, or a name change, the permittee must submit a formal
permit transfer request to the Division of Water Quality, accompanied by a completed
name/ownership change form, documentation from the parties involved, and other
supporting materials as may be appropriate. The approval of this request will be
considered on its merits and may or may not be approved. The permittee is responsible
for compliance with all permit conditions until such time as the Division approves the
transfer request.
2. Failure to abide by the conditions and limitations contained in this permit may subject the
Permittee to enforcement action by the Division of Water Quality, in accordance with
North Carolina General Statute 143-215.6A to 143-215.6C.
3. The issuance of this permit does not preclude the Permittee from complying with any and
all statutes, rules, regulations, or ordinances which may be imposed by other government
agencies (local, state, and federal) which have jurisdiction.

State Stormwater Management Systems
Permit No. SW8 040205
4. In the event that the facilities fail to perform satisfactorily, including the creation of
nuisance conditions, the Permittee shall take immediate corrective action, including those
as may be required by this Division, such as the construction of additional or replacement
stormwater management systems.
5. The permittee grants DENR Staff permission to enter the property during normal business
hours for the purpose of inspecting all components of the permitted stormwater
management facility.
6. The permit may be modified, revoked and reissued or terminated for cause. The filing of
a request for a permit modification, revocation and reissuance or termination does not
stay any permit condition.
Unless specified elsewhere, permanent seeding requirements for the stormwater control
must follow the guidelines established in the North Carolina Erosion and Sediment
Control Planning and Design Manual.
8. Approved plans and specifications for this project are incorporated by reference and are
enforceable parts of the permit.
9. The permittee shall notify the Division any name, ownership or mailing address changes
within 30 days.
Permit issued this the 13th day of February 2004.
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
�A �� �h
lanW. Khm Aek, P.E., Director
Division of Water Quality
By Authority of the Environmental Management Commission

State Stormwater Management Systems
Permit No. SW8 040205
Fred's Beds
Stormwater Permit No. SW8 040205
Carteret County
Designer's Certification
I,
as a duly registered
in the State of North Carolina, having been authorized to observe (periodically/weekly/full time)
the construction of the project,
(Prof ect)
for
Owner) hereby state that, to the best of
my abilities, due care and diligence was used in the observation of the project construction such
that the construction was observed to be built within substantial compliance and intent of the
approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
SEAL
Signature
Registration Number
Date

State Stormwater Management Systems
Permit No. SW8 040205
Certification Requirements:
1. The drainage area to the system contains approximately the permitted acreage.
2. The drainage area to the system contains no more than the permitted amount of
built -upon area.
3. All the built -upon area associated with the project is graded such that the runoff
drains to the system.
4. The outlet/bypass structure elevations are per the approved plan.
5. The outlet structure is located per the approved plans.
6. Trash rack is provided on the outletibypass structure.
7. All slopes are grassed with permanent vegetation.
8. Vegetated slopes are no steeper than 3:1.
9. The inlets are located per the approved plans and do not cause short-circuiting of
the system.
10. The permitted amounts of surface area and/or volume have been provided.
11. Required drawdown devices are correctly sized per the approved plans.
12. All required design depths are provided.
13. All required parts of the system are provided, such as a vegetated shelf, and a
forebay.
14. The overall dimensions of the system, as shown on the approved plans, are
provided.
cc: NCDENR-DWQ Regional Office
Carteret County Building Inspections

OFFICEIt1SE?ONI Y
Date Received h Fee Paid c,Permit Number c
v7 �rri F t7 qUo 1)
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
I. GENERAL INFORMATION
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
M & N ENTERPRISES, LLC
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance)
DAVID RAY MURDOCH, JR, MANAGER -MEMBER
3. Mailing Address for person listed in item 2 above:
123 NINE J ROAD
City: NEWPORT State: NC Zip: 28570
Telephone Number: ( 252 ) 223-2229
4. Project Name (subdivision, facility, or establishment name - should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
FRED'S BEDS
5. Location of Project (street address):
HIGHWAY 70 WEST
City: MOREHEAD CITY County: CARTERET
6. Directions to project (from nearest major intersection):
FROM INTERSECTION OF HWY 70 AND HWY 24, TAKE HWY 70 WEST APPROXIMATELY 2 MILES,
LOCATED ON RIGHT AT CORNER OF MURDOCH ROAD
7. Latitude: 34^44'35° Longitude: 76^49'19" of project
8. Contact person who can answer questions about the project:
Name: RONALD D. CULLIPHER, PE Telephone Number: ( 252 ) 247-7479
II. PERMIT INFORMATION:
1. Specify whether project is (check one): New Renewal Modification
Form SWU-101 Version 3.99 Page 1 of 4

l�
2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3. Specify the type of project (check one):
_Low Density ✓ High Density _Redevelop General Permit _Other
4. Additional Project Requirements (check applicable blanks):
_CAMA Major ✓ Sedimentation/Erosion Control 404/401 Permit _NPDES Stormwater
Information on required state permits can be obtained by contacting the Customer Service Center at
1-877-623-6748.
III. PROJECT INFORMATION
1. In the space provided below, summarize how stormwater will be treated. Also attach a detailed narrative
(one to two pages) describing stormwater management for the project.
ALL STORMWATER FROM THE IMPERVIOUS SURFACES SHALL FLOW INTO THE RETENTION
POND. WATER SHALL BE RELEASED OVER A 2-5 DAY PERIOD.
2. Stormwater runoff from this project drains to the
3. Total Project Area: 2.99 acres
WHITE OAK
5. How many drainage areas does the project have? '
River basin.
4. Project Built Upon Area: 73.68
6. Complete the following information for each drainage area. if there are more than two drainage areas in the
project, attach an additional sheet with the information for each area provided in the same format as below.
B "II orma on
Receiving Stream Name
Drain ge e'
HULL SWAMP
lain ge ea
of 0 K 03 A I -1
Receiving Stream Class
C
Drainage Area
111,644 SF
Existing Impervious* Area
0
Proposed Impervious*Area
96,013 SF
% Impervious` Area (total)
86.0%
impe, ous Stir ac ea' .
On -site Buildings
Dr ate' ea
11,747 SF
D na . e2
On -site Streets
On -site Parking
27,268 SF
On -site Sidewalks
875 SF
Other on -site
Off -site
56,123 SF
Total: 96,013 SF
Total:
Impervious area is dented as the built upon area including, but not limited to, buildings, roads, parking areas,
sidewalks, gravel areas, etc.
Form SWU-101 Version 3.99 Page 2 of 4

1ti
7. How was the off -site impervious area listed above derived? FUTURE DEVELOPMENT, SIMILAR
SIZE & TYPE, BUILDING AND PARKING
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
The following italicized deed restrictions and protective covenants are required to be recorded for all
subdivisions, outparcels and future development prior to the sale of any lot. If lot sizes vary significantly, a table
listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment.
1. The following covenants are intended to ensure ongoing compliance with state stormwater management permit number
as issued by the Division of Water Quality. These covenants may not be
changed or deleted without the consent of the State.
2. No more than square feet of any lot shall be covered by structures or impervious materials.
Impervious materials include asphalt, gravel, concrete, brick, stone, slate or similar material but do not include wood
decking or the water surface of swimming pools.
3. Swales shall not be filled in, piped, or altered except as necessary to provide driveway crossings.
4. Built -upon area in excess of the permitted amount requires a state stormwater management permit modification prior to
construction.
5. All permitted runoff from outparcels or future development shall be directed into the permitted stormwater control
system. These connections to the stormwater control system shall be performed in a manner that maintains the integrity
and performance of the system as permitted.
By your signature below, you certify that the recorded deed restrictions and protective covenants for this project
shall include all the applicable items required above, that the covenants will be binding on all parties and persons
claiming under them, that they will run with the land, that the required covenants cannot be changed or deleted
without concurrence from the State, and that they will be recorded prior to the sale of any lot.
V. SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s) listed below must be submitted for each
BMP specified for this project. Contact the Stormwater and General Permits Unit at [phone] for the status
and availability of these forms.
Form SWU-102
Wet Detention Basin Supplement
Form SWU-103
Infiltration Basin Supplement
Form SWU-104
Low Density Supplement
Form SWU-105
Curb Outlet System Supplement
Form SWU-106
Off -Site System Supplement
Form SWU-107
Underground Infiltration Trench Supplement
Form SWU-108
Neuse River Basin Supplement
Form SWU-109
Innovative Best Management Practice Supplement
Form SWU-101 Version 3.99 Page 3 of 4

VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ).
A complete package includes all of the items listed below. The complete application package should be
submitted to the appropriate DWQ Regional Office.
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
Initials
Original and one copy of the Stormwater Management Permit Application Form WC
One copy of the applicable Supplement Form(s) for each BMP
Permit application processing fee of-$4.2(i(payable to NCDENR),W4000
Detailed narrative description of stormwater treatment/management
Two copies of plans and specifications, including:
- Development/Project name
- Engineer and firm
-Legend
- North arrow
Scale
Revision number & date
Mean high water line
Dimensioned property/project boundary
Location map with named streets or NCSR numbers
Original contours, proposed contours, spot elevations, finished floor elevations
Details of roads, drainage features, collection systems, and stormwater control measures
Wetlands delineated, or a note on plans that none exist
Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
Drainage areas delineated
Vegetated buffers (where required)
VII. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf, please complete this section.
Designated agent (individual or firm): Stroud Engineering, P.A.
Mailing Address: 151-A Hwy 24
Morehead City
Phone:( 252 ) 247-7479
VIII. APPLICANT'S CERTIFICATION
State: NC Zip: 28557
Fax: ( 252 _ 247-4098
I, (print or type name of person listed in General Information, item 2) DAVID RAY MURDOCH, JR, MANAGER -MEMBER
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H .1000.
Signature: (2 U- c�_ - Date: Z" I (- o
Form SWU-101 Version 3.99 Page 4 of 4

Fred's Beds
Stormwater Permit No. SW8 040205
. Carteret County
Designer's Certification
State Stormwater Management Systems
Permit No. SW8 040205
L _Rona 1 d 0. (►; ae r as a duly registered ;n
in the State of North Carolina, having been authorized to observe enodicall eekly/full time)
the construction of the project,
(Project)
for m %nl E,.}� p � L (Project Owner) hereby state that, to the best of
my abilities, due care and diligence was used in the observation of the project construction such
that the construction was observed to be built within substantial compliance and intent of the
approved plans and specifications.
The checklist of items on page 2 of this form is included in the Certification.
Noted deviations from approved plans and specification:
L1 TUB LOT 1-�s f .c g� b� � �4�rN►s
SEAL
r-SS/p, ._9
Registration Number 33 v :Q SEAL
e 13343
Date 1 R•
,•,���4D. e
C3

State Stormwater Management Systems
Certification Requirements: Permit No. SW8 040205
• 1.
The drainage area to the system contains approximately the permitted acreage.
n�k'j
2.
The drainage area to the system contains no more than the permitted amount of
built -upon area.
r 3.
All the built -upon area associated with the project is graded such that the runoff
drains to the system.
j 4.
The outlet/bypass structure elevations are per the approved plan. rrn" w
d2jZ- 5•
The outlet structure is located per the approved plans. \t N L-160 Of u Kl
CT'(— 6.
Trash rack is provided on the outlet/bypass structure.
I�'1�7•
All slopes are grassed with permanent vegetation.
Vegetated slopes are no steeper than 3:1.
(8•
The inlets are located per the approved plans and do not cause short-circuiting of
the system.
' 10.
SIX—
The permitted amounts of surface area and/or volume have been provided.
F�7'( L)e/- �i "�-c D_eL � esp 'A171 -r S 71 rrt�
Required
e drawdown devices are correctly sized per the approved plans.
n�°����X—' ""1.
• Q= emu.
All required design depths are provided.
9=(X- 13.
All required parts of the system are provided, such as a vegetated shelf, and a
forebay.
•
14 The overall dimensions of the system, as shown on the approved plans, are
provided.
cc: NCDENR-DWQ Regional Office
Carteret County Building Inspections
rN

STROUD ENGINEERING, P.A.
Hestron Plaza Two
151-A Hwy. 24
MOREHEAD CITY. NC 28557
[phone]
TO�NRDiv-o.��)G�'l�
12% GOW6 . K,4L ( DY. !)( -
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WE ARE SENDING YOU
❑ Shop drawings
❑ Copy of letter
❑ Attached ❑ Under separate cover via
❑ Prints ❑ Plans
❑ Change order ❑
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❑ Samples
the following items:
❑ Specifications
COPIES
DATE
NO.
DESCRIPTION
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THESE ARE TRANSMITTED as checked below:
❑ For approval
❑ For your use
> �, As requested
❑ For review and comment
❑ FOR BIDS DUE
REMARKS
❑ Approved as submitted
❑ Approved as noted
❑ Returned for corrections
❑
❑
❑ Resubmit copies for approval
❑ Submit copies for distribution
El Return corrected prints
PRINTS RETURNED AFTER LOAN TO US
COPY TO �
SIGNED:
if enclosures are not as noted, kindly notify us at oApi

STORMWATER DRAINAGE CALCULATIONS
FOR
FRED'S BEDS
HIGHWAY 70 WEST
MOREHEAD CITY, NORTH CAROLINA
PREPARED FOR:
M & N ENTERPRISES, LLC
123 NINE J ROAD
NEWPORT, NC 28570
STROUD ENGINEERING, P.A.
HESTRON PLAZA TWO
151-A HWY. 24
MOREHEAD CITY, NC 28557

Fred's Beds
Stormwater Drainage Calculations
Page 1
Introduction:
The Proposed retail store is located on Highway 70 West approximately two miles
west of the Highway 24 intersection. The property is undeveloped. The highest portion of
the property runs along the center, parallel to the road. The runoff is split. Half of the
drainage from the property flows into the existing ditch, which parallels the road and is
located between the property boundary and the road. The other half flows to the rear of
the property into the wetlands region.
It is proposed to develop the site with a retail store and parking. The store is
Fred's Beds, which is a retail chain with other locations. A wet retention pond shall be
constructed and sized to handle the runoff from the development and the future
development from the adjacent lot to the east, which is presently vacant.
Total land surface of the two lots is 130,303.94 sq.ft. (2.99 acres). All drainage
from the impervious surfaces shall drain into the pond. Only the landscaped front, rear
and side yards shall drain away from the property. The outlet for the retention pond shall
drain into the existing ditch fronting the property.
Calculations:
Area of Parcel the two parcels =
Area draining to pond — Drainage Area - _
Area of pervious surface
(Area of future development
is included in this number.)
Area of impervious surface of project =
(Area of future development
is included in this number.)
Percent of impervious surface =
C value for impervious =
C value for pervious =
C value for property =
Design Storm =
Design Intensity —
Design Runoff =
130,303.94 SF (2.99 acres)
111,644 SF (2.56 acres)
15,850 SF (0.36 acres)
96,013 SF
86%
1.0
0.3
0.85
1.0"
7.3" (one hr.)
16.7 cfs

Fred's Beds
Stormwater Drainage Calculations
Page 2
Retention Pond Calculations:
Drainage Area = 111,644 SF
Impervious area = 96,013 SF
Percent impervious = 86%
Use 5.0" deep pond (SA/DA) = 6.2% (90% TSS removal)
Surface area required = 0.062 x 111,644 sf = 6,921 SF
Volume required (I" rainfall)
Rv = .05 + .009 (86) = 0.824
V = 0.083 x 0.824 x 111,644 sf�— 7,636 CF
Surface area of Pond Required = 6,921 SF
Surface area of Pond Provided = 7,210 SF
(pond is 49.3' x 148' — comers are rounded)
Area at storage elevation 19.0' = 9,588 SF
Storage volume 18' to 19' = 8,399 CF
Volume of Storage Required = 7,636 CF
Volume of Storage Provided = 8,399 CF
Forebay Sizing:
Retention Pond Dimensions at Permanent Pool Elevation (18') = 49.3' x 148'
Sizing of the forebay was done in the following manner:
The outside dimensions were set at the Permanent Pool Elevation (18.0% 49.3' x 148'
A 10' horizontal bench at 6:1 was drawn, toe of bench at 16.33' elevation.
From the 16.33' elevation, the slope is 3:1, elevations were drawn at 16', 15', 14' 13'.
Corners were rounded.
Volume was calculated from 18.0' to 13.0'—5'depth.
Total volume was 17,096 CF (per DWQ method of assuming no forebay nor berm)
17,096 CF x 0.20 = 3,419 CF for Forebay Size.
By trial and error — the center of the earth weir ( 3' width ) was set at 50' from the inlet
end of the 18.0' elevation line.
Calculating the volume — Forebay was 3,557 CF
3,557 / 17,096 = 20.80%

Fred's Beds
Stormwater Drainage Calculations
Page 3
Actual contour lines were then constructed showing the weir and slopes from the weir
into the forebay and main basin. Volumes were then calculated using the contour lines.
Volumes are calculated from the Permanent Pool Elevation, 18.0'.
Main Basin Depth = 5.0'
Forebay Basin Depth = 3.0'
Main Basin Volume = 10,475 CF
Forebay Volume = 3,557 CF
Total Basin Volume = 14,032 CF
Orifice Sizing for Pond Outlet:
Design Runoff - 7,636 CF
2 Days - 7,636 CF / 172,880 sec. = 0.044 cfs
5 days - 7,636 CF / 432,000 sec. = 0.017 cfs
A=Q/(Cx(2gh)%2)
Q = volume of draw down = 7,636 CF
C = Coefficient of orifice = 0.60
g = gravity 32 FT/ sec2
h = %2 of the height of temporary pool depth = 0.50 FT
A(2 days) = 0.044 / 0.60 x (2 x 32.2 x 0.50) %2 = 0.013 SF
A(5 days) = 0.017 / 0.60 x (2 x 32.2 x 0.50)'/2 = 0.005 SF
1-1/2" Dia. Pipe = 0.0123 SF
Avhead =%2(12"—%2(1.5")=5.6"=0.47'
Q = C A (2gh) %2
Q=0.60x0.0123SFx(2x32.2x0.47')'/2=0.04cfs
0.017 < 0.04 < 0.044
A 1-1/2" orifice is acceptable.

Fred's Beds
Stormwater Drainage Calculations
Page 4
Overflow Device:
Q=CIA
Q = 16.7 cfs
Weir Length = 15'
H = (Q/Cw x L) 2/3
H = ( 16.7/ 3 x 15 ) 2/3
H = 0.52' or 6.2"
Pipe Sizing:
Design Storm = 7.23"
Area = 2.56 ac.
86% impervious area — C = 0.90
Q = CIA
Q = 16.7 efs design flow
Use dual 21" smooth wall CMP
n = 0.012
Slope = 0.003
Q= A x 1.486/n x R 2/3 S %2
Q = 2.4 x 123.8 x 0.576 x 0.0547
Q = 9.36 cfs
Dual Pipes = 2 x 9.36 cfs = 18.7 cfs capacity

Fred's Beds
Stormwater Drainage Calculations
Page 5
Rip -Rap Sizing:
Q= 16.7 cfs
Use Dual 2 1 " CMP — 8.35 cfs each
A = 2.4 SF
Slope = 0.003
n = 0.012
Q= A x 1.486/n x R2/3 x S 1/2
Q = 9.36 cfs pipe full
% of Discharge 89%
V full = 3.9 fps
V98%= 4.4fps
Class A rip -rap
Length = 9.0'
Width = 6.5'
Thickness = 12"

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EiU AREA DRAINING TO POND = 2.56 AC
LLI u SEDIMENT STORAGE REOUIREMENT = 1800 CF/AC
c x REO'D SEDIMENT STORAGE
g p = 1800 CF/AC X 2.56 AC = 4608 CF
Z
0 0 AVG. SURFACE AREA B/W EL 16.33 d 12.0 = 1973 SF
F STORAGE PROVIDED IN STORM WATER POND
= 1973 SF X 4.33 FT = 5167 CF
*ADEQUATE STORAGE FOR DRAINAGE AREA
NOTE: ADDITIONAL DISTURBANCE REQUESTED
TO BE CONTROLLED BY PROPOSED SILT FENCE
FRED'S BEDS
MOREHEAD TOWNSHIP. CARTERET COUNTY,
NORTH CAROLINA
CLIENT: MURDOCH & ASSOCIATES
ADDRESS: ROAD NEWPORT, NC228570
PHONE: [phone] -
g STROUD ENGINEERING, P.A.
151A HIGHWAY 24
MOREHEAD CITY. N.C. 28557
[phone]

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FAX NO. 4
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CONSULTING CNGINEERS
HESTRON PLAZA TWO
151-A HWY. 24
MOREHEAD CITY, NOHTI I CAnOLINA 28557
[phone]
"FOR EXPRESS STORMWATER REVIEW"
PROJECT NAME: FRED'S BEDS
PROJECT CITY/COUNTY: MOREHEAD CITY, CARTERET
TYPE OF PROJECT: HIGH DENSITY
RECEIVING STREAM NAME: HULL SWAMP
RECEIVING STREAM CLASS: CLASS "C"
PROPOSED BMP: WET DETENTION POND
PROJECT DESCRIPTION:
THE PROPOSED RETAIL STORE IS LOCATED ON HWY 70 APPROXIMATELY TWO
MILES WEST OF THE HWY 24 INTERSECTION, IT IS PROPOSED TO DEVELOP THE SITE
DETENTIONWITH A RETAIL STORE AND THE REQUIRED PARKING. A WET
BE CONSTRUCTED AND SIZED TO HANDLE THE RUNG F FROM THE DEVELOPM EN SHALL
AND THE FUTURE DEVELOPMENT FOR THE ADJACENT LOT TO THE EAST, WHICH IS
PRESENTLY VACANT -
APPLICANT
ENTERPRISES, LLC C/O DAVID RAY MURDOCH, JR
NAME:
MANAGER -MEMBER
ADDRESS:
NINE J A
WPORT, NC8570
NE
EMAIL:
N/A
PHONE:
[phone]
FAX:
[phone]
CONSULTANT
NAME:
UD ENGINEERING,
RONALD D. CULLIR, PE
ADDRESS:
MOREHEAD CITY, NG 26557
EMAIL:
rcullipher@stroudengineer-coin
PHONE:
[phone]
FAX:
[phone]
HESTRON F'LA7ATWI)
107 COMMERCE ST. 151.A I IWY. 24
102-D CINEMA DRIVE MOREHEAD CITY, NO
SUITED WILMINGTON, NO 2G403 (252) 247=1479
GREENVILLE, NO 27858 1910) 81 S-0775
(252) 70&9752
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SECROAWOPWANEPHUMBER: MEMO
FEDERAL ENWAR ID NULGER: .66-2177083
SOSID: 0512666
Date Filed: 10/10/2002 11:34:00 AM
Elaine F. Marshall
North Carolina Secretary of State
2002 283 00002
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