HomeMy WebLinkAboutSW8060909_HISTORICAL FILE_20070111STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 Q�oo 9oq
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
2 00l Ol 11
YYYYMMDD
�\o�0F W A PF9
O r
January 11, 2007
James L Wilson, President
Barefoot Flooring, Inc
2901 Castle Hayne Rd
Castle Hayne, NC 28429
Subject Stormwater Permit No
Barefoot Square
High Density Project
New Hanover County
Dear Mr Wilson
Michael Faslcy Governor
William G Ross Jr, Secretary
North Carolina Department of Em iron men t and Natural Resources
TWO FILE COPY
Alan W Klimek P E Director
Di,ision of Water Quality
The Wilmington Regional Office received a complete Stormwater Management Permit
Application for Barefoot Square on January 4, 2007 Staff review of the plans and
specifications has determined that the protect, as proposed, will comply with the Stormwater
Regulations set forth in Title 15A NCAC 2H 1000 We are forwarding Permit No SW8 060909
dated January 11, 2007, for the construction of the subject project
This permit shall be effective from the date of issuance until January 11, 2017, 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 sixty (60) days
following receipt of this permit This request must be in the form of a written petition,
conforming to Chapter 150E 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
contact Linda Lewis, or me at (910) 796-7215
Sincce ety
Edward Beck
Regional Supervisor
Surface Water Protection Section
concerning this matter, please
cc Kelly Johnson, DWQ
Phil Tripp, P E , Tripp Engineering
Tony Roberts, New Hanover County Building Inspections
City of Wilmington Development Services
Beth E Wetherill, New Hanover County Engineering
Linda Lewis
Wilmington Regional Office
Central Files
North Carolina Dnision of Water Quality 127 Cardinal Drive Extension Wilmington, NC 28405 Phone (910) 796-7215
Wilmington Regional Office Internet ww ncNatcrquahty orY Fax (910) 350 2004
An Equal Opportunity/Affirmative Acton Employer— 50%Recycied110% Post Consumer Paper
om
r,Carolina
urally
Customer Service
1 877-623 6748
State Stormwater Management Systems
Permit No SW8 060909
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
James L Wilson & Barefoot Flooring, Inc
Barefoot Square
2901 Castle Hayne Road, Wilmington, New Hanover 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 January 11, 2017, 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
This stormwater system has been approved for the management of stormwater
runoff as described in Section 15 on page 3 of this permit The stormwater
control has been designed to handle the runoff from 42,961 square feet of
impervious area
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
4 The runoff from all built -upon area within the permitted drainage area of this
project must be directed into the permitted stormwater control system
Page 2 of 7
State Stormwater Management Systems
Permit No SW8 060909
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
James L Wilson & Barefoot Flooring, Inc
Barefoot Square
2901 Castle Hayne Road, Wilmington, New Hanover 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 January 11, 2017, and
shall be subject to the following specified conditions and limitations
I. DESIGN STANDARDS
1 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 in Section 15 on page 3 of this permit The stormwater
control has been designed to handle the runoff from 42,961 square feet of
impervious area
3 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
4 The runoff from all built -upon area within the permitted drainage area of this
project must be directed into the permitted stormwater control system
Page 2 of 7
State Stormwater Management Systems
Permit No SW8 060909
11
The following design criteria have been provided in the wet detention pond and
must be maintained at design condition
a Drainage Area, 9cres
Onsite, ft
Offsite, ft2
b Total Impervious Surfaces, ft2
c Design Storm, inches
d Pond Depth, feet
e TSS removal efficiency
f Permanent Pool Elevation, FMSL
g Permanent Pool Surface Area, ft2
h Permitted Storage Volume, ft3
Temporary Storage Elevation, FMSL
i Controlling Orifice
k Permitted Forebay Volume, ft3
1 Receiving Stream/River Basin
m Stream Index Number
n Classification of Water Body
207
90,170
0
42,961
1
6
90%
31 5
7,229
7,922
325
1" pipe
4,433
Ness Creek/ Cape Fear Basin
18-74-62
"C,Sw
1 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
2 During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately
3 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 Immediate 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
Page 3 of 7
State Stormwater Management Systems
Permit No SW8 060909
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 must draw 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 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
7 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 Access to the stormwater facilities shall be maintained via appropriate
easements at all times
10 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
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
e Further subdivision, acquisition, lease or sale of all or part of the project
area The protect 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
11 The permittee shall submit final site layout and grading plans for any permitted
future areas shown on the approved plans, prior to construction
12 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
Page 4 of 7
State Stormwater Management Systems
Permit No SW8 060909
13 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
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) having jurisdiction
4 In the event that the facilities fad 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
7 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 in writing of any name, ownership or
mailing address changes within 30 days
Permit issued this the 11 th day of January 2007
NORTH OLINA ENVIRONMENTAL MANAGEMENT COMMISSION
for Alan W Klimek, P E , Director
Division of Water Quality
By Authority of the Environmental Management Commission
Page 5 of 7
OFFICE USE ONLY
D,i e Rccgiled
Fee Paid
Permit Number
9 eS
/c,2�
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
Thiv form maybe photocopied for use as an original
1. GENERAL INFORMATION
1 Applicants name (specify the name of the corporation, individual, etc who owns the project)
Barefoot Flooring, Inc
2 Print Owner/Signing Official's name and title (person legally responsible for facility and compliance)
James L Wilson / President
3 Mailing Address for person listed in Rem 2 above
2901 Castle Havne Road
City _Castle Hayne State NC Zip 28429
Telephone Number 910 264-1005
4 Project Name (subdivision, facility, or establishment name —should be consistent with project name on
plans specifications, letters, operation and maintenance agreements, etc )
Barefoot Square
5 Location of Project (street address)
2901 Castle Havne Road
City Castle Ha3me County New Hanover
6 Directions to project (from nearest major intersection)
From I-140 West. turn LEFT onto NC 133 — Castle Havne Road Travel SOUTH for 1 48 miles
Turn RIGHT onto North County Drive Site is on the RIGHT
7 Latitude N 340 17' 50" Longitude W 770 55' 23 5" of project
8 Contact person who can answer questions about the project
Name Jonathan W Ham, E I Telephone Number 910-763-5100
II PERMIT INFORMATION:
1 Specify whether project is (check one) X New Renewal Modification
Form SWU-101 Version 3 99
Page 1 of 4
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 X High Density Redevelop GeneralPermit Other
4 Additional Project Requirements (check applicable blanks)
CAMA Major X 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
I 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
Stormwater shall be treated by wet detention
2 Stormwater runoff from this project drams to the
Cape Fear
River basin
3 Total Project Area 2 07 acres
4 Project Built Upon Area
45 7 %
How many drainage basins does the project have9 1
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
Basin Information > - ,�
, Drainage Basin' 1
�Dramage Basm'2-"
Receiving Stream Name
Ness Creek
Receiving Stream Class
C Sw
Drainage Basin Area
207
Existing Impervious * Area
21,122 SF
Proposed Impervious * Area
42,961 SF
% Impervious* Area (total)
47 6%
Impervious * Surface Area `
Drainage Basin 1
Drainage Basin.2
On -site Buildings
16,000 SF
On -site Streets
On -site Parking
21,225 SF
On -site Sidewalks
5,736 SF
Other on -site
Off -site
Total
$= 42,961 SF
* Impervious area is defined 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
,?
7 How was the off -site impervious area listed above derived?
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 sionmvater management permit
number as issued by the Division of Water Qwhiy These covenants may
not be changed or deleted without the consent ofthe State
2 No more than square feet ofary lot shall be covered by structures ofimpervious materials
Impervious materials include asphalt, gravel, concrete, brick stone, slate or similar matenal but do not include wood
decking or the water surface ofswimming pools
3 Swales shall not be filled in, piped or altered except as necessary to provide driveway crossings
4 Built -upon area in excess ofthe permuted amount requires a state stormwater mnaagemem permit modificationprior
to construction
5 All permitted runofffrom ouiparcels orf acre development shall be directed into the permitted stormwater control
system These connections to the stormwater oontrol system shall be performed in a manner that maintains the
integrity andperformance ofthe 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 patties 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 (910) 733-5083 for
the status and availability of these forms
Form SWU-102
Form SWU-103
Form SWU-104
Form SWU-105
Form SWU-106
Form SWU-107
Form SWU-108
Form SWU-109
Wet Detention Basin Supplement
Infiltration Basin Supplement
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Underground Infiltration Trench Supplement
Neuse River Basin Supplement
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 renewed by the Dmsion 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
• Original and one copy of the Stormwater Management Permit Application Form
• One copy of the applicable Supplement Form(s) for each BMP
• Permit application processing fee of $420 (payable to NCDENR)
• Detailed narrative description of stormwater treatments management
• Two copies of plans and specifications, including
- Development/Project name
- Engineer and firm
- Legend
- North arrow
- Scale
- Revision number and date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours, proposed contours, spot elevations, fuushed floor elevauons
- 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 saes, 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 fine) Trion En ring eenng P C
Mailing Address
City Wilmington State NC Zip 28401
Phone (910)763-5100
VIII APPLICANT'S CERTIFICATION
Fax (910)763-5631
I, (print or type name of person listed in General Information, item 2) James L Wilson
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 Nate
Fonn SWU-101 Version 3 99 Page 4 of 4
ATFgo
Michael F Easley, Governor
(r
William G Ross Jr, Secretary
rNorth
Carolina Department of Environment and Natural Resources
<
lit1
low
Alan W Klimek, P E , Director
Division of Water Quality
January 5, 2007
RECEIVED
IAN 1 1 2007
Linda Lewis
DWQ Wilmington Regional Office
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
Subject RETURN OF PROJECT FILE
Stormwater Project No SW8 060909
Barefoot Square
New Hanover County
Dear Ms Lewis
I have enclosed the application package for this project
Sincerely,
elly Johnson
Environmental Engineer
PMvCavolma
AWAMAY
North Carolina Division of Water Quality 1617 Mad Service Center Raleigh NC 27699-1617 Phone (919) 733-7015 Customer Service
Internet h2o enr state nc us 512 N Salisbury St Raleigh, NC 27604 FAX (919) 733-2496 1-877-623-6748
An Equal Opportunity/Affirmative Action Employer —50%Recycletill 00% Post Consumer Paper
TRIPP ENGINEERING, P.C.
0 419 Chestnut Street
Wilmington, North Carolina 28401
Phone (910) 763-5100 • FAX (910) 763-5631
January 3, 2007
NCDENR
Division Water Quality
1617 Mad Service Center
Raleigh, NC 27699-1617
Attn: Ms Kelly Johnson
Re- Barefoot Square
Project No SW8 060909
TE 06071
Dear Kelly
In response to your correspondence dated December 1, 2006, we offer the
following
1 The outlet structure detail has been corrected
2 The orifice has been corrected on the plan
3 Only two areas required proposed contours because most other areas are going
to remain as existing
4 A no wetlands note has been added to the plans
5 All parking and sidewalks have been dimensioned and flow arrows provide
necessary drainage information
6 The application has been corrected
7 Sedimentation and erosion control permit application has been submitted to
New Hanover County engineering for approval
Please review for approval and contact us with any questions or comments
Thank you
Sincerely,
Tripp Engineering, P C.
Jonathan W. Ham, E.I.
JWH dcb
Eric
j\AS 0 ` 7c��aJ 5")Jv y SN�Vta -
bolo
Barefoot Square, SP8060909
Subject. Barefoot Square, SP8060909
From: Kelly Johnson <kelly p Johnson@ncmail net>
Date: Wed, 06 Dec 2006 11 22 07 -0500
To- Jonathan-tnppeng@ec rr corn
Jonathan,
I talked to Linda in the Wilmington office about the slopes for the parking lot in
your application (#5 in the add info letter) She said that while arrows are helpful
in showing the direction of the water flow, that spot elevations and final
(post -development) contours are required We discussed (per #3 of the add info
letter) that the site is essentially flat However, there should be final contours to
show that the water will,run in the direction of the arrows, even if it is only at a
slight elevation
Please call if you have any further questions,
Kelly Johnson
I of 1 12/7/2006 8 37 AM
James Wilson
Barefoot Flooring, Inc
2901 Castle Hayne Rd
Castle Hayne, NC 28429
Dear Mr Bunn
Michael F Easley, Governor
Witham G Ross Jr, Secretary
North Carolina Department of Environment and Natural Resources
Alan W Klimek, P E, Director
Division of Water Quality
December 1, 2006
Subject REQUEST FOR ADDITIONAL INFORMATION
Stormwater Project No SW8 060909
Barefoot Square
New Hanover County
The Division of Water Quality's Stormwater Permitting Unit received a Stormwater Management Permit
Application for Barefoot Square on September 15, 2006 A preliminary review of the package indicates that
additional information is required to complete processing this permit application Please address the following
items i
%--i Please correct the pool elevations on the outlet structure detail to be consistent with the pool
elevations shown in other sections of the plans and the permit application
�T Please correct an inconsistency in the orifice diameter between the application and the development
plan The plan indicates a 0 75" diameter, and the application indicates a 1 00" diameter
'3 Please provide proposed contours Original contours, proposed contours, spot elevations, and
finished floor elevations are required The proposed contours should also show whether or not there
is offsite drainage to the site ,
4 Please either delineate all wetlands on site, disturbed or undisturbed, or note on the plans that none
exist
`"5— Please provide length, width, and slopes for the road, parking area, and sidewalks
—6 Please report all values in square feet on the application
—17 The application does not show that a sedimentation and erosion control plan is needed for this project
However, please note that a sedimentation and erosion control plan is required. This does not require
a change to the application
Please note this request for additional information is in response to a preliminary review, and that at this ,
time a complete application package has not been received The information requested should be received in our
office by December 29, 2006, or the application will be returned as incomplete The return of a project will
necessitate resubmittal of all required items, including the application fee
9 1tCarolina
✓vatrrra//y
North Carolina Division of Water Quality 1617 Mad Service Center - Raleigh, NC 27699-1617 Phone (919) 733-7015 Customer Service
Internet h2o enr state ne us 512 N Salisbury St Raleigh, NC 27604 FAX (919) 733-2496 1-877 623-6748
a �
An Equal Opportunity/AKnnaWe Acton Employer- 50% RegGed/10% Post Consumer Paper
Mr ;'Ames Wilson
Barefoot Flooring, Application No SW8 060909
Additional Information Request
November 27, 2006
If you need additional time to submit the information, please mail or fax your request for a time extension
to the Division at the address and fax number on the bottom of this letter The request must indicate the date by
which you expect to submit the required information The Division is allowed 90 days from receipt of a
completed application to issue the permit.
The construction of any impervious surfaces, other than a construction entrance under an approved
Sedimentation and Erosion Control Plan, is a violation of NCGS 143-215 1 and is subject to enforcement action
pursuant to,NCGS 143-215 6A
Please reference the State assigned project number on all correspondence Please also note this
information should be sent to the Raleigh office, as opposed to the Wilmington office Any original documents
that need to be revised have been sent to the engineer or agent All original documents must be returned or new
originals must be provided, copies are not acceptable If you have any questions concerning this matter, please
contact me at (919) 733-5083, extension 376
Sincerely,
<q
Kelly Jo on
Environmental Engineer
cc Linda Lewis, DWQ Wilmington Regional Office
Cameron Weaver, DWQ Wilmington Regional Office
Ken Pickle, DWQ Central Office
Stormwater Permitting Unit File SW8 060909
Jonathan Ham, Tripp Engineering
Central Files
TRIPP ENGINEERING, P.C.
419 Chestnut Street
Wilmington, North Carolina 28401 (fin
Phone (910) 763-5100 • FAX (910) 763-5631 Qn
September 7, 2006
NCDENR
Division Water Quality
127 Cardinal Drive
Wilmington, NC 28405-3845
Attn: Ms. Linda Lewis
Re Barefoot Square
New Hanover County, NC
TE 06071
Dear Linda
SEP 1 5 7006
Enclosed please find two (2) sets of plans, one (1) signed original and one (1)
copy of the application form with narrative, one (1) wet detention basin supplement, two
(2) sets of calculations and one check for the application fee
Please review for approval and contact us with any questions or comments
Thank you
Sincerely,
Tripp Engineering, P C
4
Jonathan W Ham, E.I.
JWH dcb
Eric
9/15/2006
JVfH
Barefoot Square
Pond Calculations
06071
Total Drainage Area
Ed ft acres
90169 1 207
Impervious Area
land Use
sq ft
I acres
Building Area
16 000
037
Asphalt Area
21 225
049
Concrete Area
5 736
013
Total
42 961
099
Slonnwater Calculations
Time of Concentration
Hydraulic Length (L) = 640 ft
change in Height (H) = 3 ft
Tc = (L' /H) i0' 1128
= 8 92 min
Flow for 2 year 6 hour Store (Qi)
QPRE - (CPRE) x (lto) x (Area)
= 2 20 cfs
QP ST = (CPosT) x (tro) x (Area)
5 19 cfs
CN = (98)(% imp) + (60)(l-% imp)
79
P = 3 30 in fo2yr 6 hr storm
S = 1000/CN - 10
= 266
Depth (D)= [P{0 2)(S)]' / [P+(0 8)(S)I
= 1 41 in
Time to Peak Flow
TP = [(43 5)(D)(Area)] / Q3Fg5T
24 50 mm
Detention Pond Design
Pond Sae
Elevation
ft )
Surface Area
(sq R
Normal Pool
31 50
7 229
Flood Pool
3250
8 615
To of Bank
3500
12 328
Bottom gf Pool
2550
139
Provided Storage Volume
Vol = [(Normal pool SA + Flood Pool SA) / 21
x (F P elev - N P elev, )
7 922 cu ft
RECEIVED
SEP 15 2006
Dxoa
06071pond
% impervious = 0476
= 476%
say 48 0%
CME= 025
CPgsT = (% imp)( 95)+(1-% imp)(25)
059
li= 425 Whir
Ira = 4 92 m/hr
Flow for 10 year 6 hour Storm (Qra)
QPRE _ (CPRE) x (In) x (Area)
2 55 cfs
QP ST = (CP T) x (In) x (Area)
6 01 cfs
myc i.eyaary iui I yeai awns
CN = (98)(% imp) + (60)(1 % imp )
79
P = 4 82 in for 10 yr 6 fir storm
S = 1000/CN 10
= 266
Depth (D)= [P (0 2)(S)12 / [P+(0 8)(S)]
= 2 65 in
Time to Peak Flow
TP= [(435)(D)(Area)]/010vosT
39 67 min
State Surface Area Requirement at normal pool
Pond side slopes = 3 1
Depth below N P= 6 ft
SA/DA = 00258
(Chan for 90% TSS Removal for Wet Detention
Pond without Vegetative Filter
Required SA = (SA/DA) x (Total Drainage Area)
2 326 so ft
State Volume Required for Storage of first 1 of runoff
Rv = 05+ 009(% imp)
= 0 478804
V= (Design minfall)(Rv)(Dramage Area)
1 CAROB 3598 cu ii%, lt
2, aQo yir
SEAL
c 17374 a
•SONE
cR.1, •OG
9/15/2006 Barefoot Square
JWH Pond Calculations
Pond Volume
Bottom SA = 139 sq f .
Normal Pod SA = 7 229 sq If
Vol = [(N P SA + Bottom SA) / 21 x (N P el - Bottom el)
22103 cu ft
Forte
Required Volume
Vol = 20% of storage volume
4 421 cu ft
Outlet Structure Design
Flow for 2-day drawdown
for 1st 1 of stonnwater
Q = Required Vol 1172 800 sec (2-days)
0 021 cfs
R uued Area of Pi a for 2-day drawdown
A= Q/[CdxSQRT(2xgxh)]
Cd= 06
9= 322 ft/s2
h= IF P elev N P elev ) 2
= 05ft
A = 00061 sq It
Diameter of Pace for 2-dav, drawdown
DIA = SQRT[(A x 4) / pi]
0 0882 ft
1 06 in
'Use 1 00 in diameter pipe
Outlet Structure Check
Using a 4 x 4' Basin
Perimeter (L) = 16 It
Q = CIA
C= (% imp)(95)+(1 % imp)(25)
= 059
1 = 4 92 in for a 25 yr Storm
A = 2 07 Acres
601 cfs
Q= Cwx Lx H'
H= [Q/(Cwx L)]'
Cw = 3
0 25 It
Peak elevation - flood pool elevation + H
32 75 It
Provided Volume
Bottom SA = 552 sq ft
Normal Pool SA = 1 981 sq it
Vol = [(N P SA + Bottom SA) / 21 x IN P el - Bottom el )
4 433 cu It
Flow for 5-day drawdown
for 1st 1 of stormwater
Q = Required Vol / 432 000 sec (5-days)
= 0 008 cfs
Reouired Area of Pipe for 5-day drawdown
A= Q/[Cdx SQRT(2xgxh)]
Cd= 06
g= 322 ft/s'
h= IF P elev N P elev) / 2
0 5 It
A = 00024 sq ft
Diameter of Pipe for 5-day drawdown
DIA = SQRT[(A x 4) / pi]
= 0 0558 ft.-
067 in
06071
06071pond 2 of 2
September 6, 2006
Stormwater Narrative
Barefoot Square
New Hanover County, NC
TE 06071
Barefoot Square is a pre-existing commercial site of 2 07 acres One structure currently
exists on site along with parking parking and access The existing impervious area is
21,122 sf The proposed expansion includes a 10,000 sf budding addition, 4,066 sf of
concrete, and 7,773 sf of asphalt access brings the total impervious area to 42,961 sf
The proposed stormwater pond is sized to state's 1" requirement and the county's 25-year
pre -post requirement The pond is also checked for the 2-year, 10-year, 100-year, and
100-year spillway only Outflow will discharge through existing ditches to Ness Creek,
classification C-SW
RECEIVED
SEP 15 2006
DWQ
nROJ #
Page 1 of 1
North Carolina
Elaine F Marshall ® EPARTM E NT of THE
Secretary SECRETARY of STATE
PO Box 29622 Raleigh, NC 27626-0622 019)a07-2000
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Date 9/6/2006
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Corporation Names
Name Name Type
NC Barefoot Flooring, Inc Legal
Business Corporation Information
SOSID 0594555
Status
Current -Active
Date Formed
6/15/2001
Citizenship
Domesbc
State of Inc
NC
Duration
Perpetual
Registered Agent
Agent Name
Registered Office Address
Registered Mailing Address
Principal Office Address
Principal Mailing Address
Stock
James L Wilson
2901 Castle Hayne Road
Castle Hayne NC 28429
2901 Castle Hayne Road
Castle Hayne NC 28429
2901 Castle Hayne Road
Castle Hayne NC 28429
311 Judges Road
Unit 12 C
Wilmington NC 28405
Class Shares No Par Value Par Value
Common 1000 Yes N/A
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http //www secretary state nc us/Corporations/Corp aspx?Pitemld=5346730 9/6/2006
Y � i
CD-479 (50) Business Corporation
8805 North Carolina Annual Report
Name of Business Corporation BAREFOOT FLOORING, INC
Fiscal Year Ending 12/31/05
MontIvDayNeai
Secretary of State ID Number 2116990
Nature of Business FLOORING SALES 6 INSTALLATION
Registered Agent JAMES L WILSON
Registered Office Nailing Address 2901 CASTLE HAYNE RD
City CASTLE HAYNE
Registered Office Street Address 2901 CASTLE HAYNE RD
City CASTLE HAYNE
Signature of New Registered Agent
(Signature constitutes consent to the appointment)
Principal Office Telephone Number (910) 772-1735
Principal Office Mailing Address 2901 CASTLE HAYNE RD
City CASTLE HAYNE
Principal Office Street Address 2901 CASTLE HAYNE RD
Nat
City CASTLE HAYNE
ie i
Name JAMES L WILSON
Address 2901 CASTLE HAYNE RD
City CASTLE HAYNE
Name DIANNE P WILSON
Address 2901 CASTLE HAYNE RD
City CASTLE HAYNE
Name
Address
City
SOSID 0594555
Date Filed 3/6/2006 3 50 00 PM
Elaine F Marshall
North Carolina Secretary of State
2006 065 05348
State of Incorporation NORTH CAROLINA
Federal Employer ID Number 56-2256837
State NC 28429
State NC 28429
Slate NC 28429
State NC 28429
Title PRESIDENT
Stale NC ZIP 28429
Title SECRETARY -TREASURER
State NC ZIP 28429
Title
Stale ZIP
Certification annual porn (Must
completed by all Business Corporations)
Xg�106
Signe ure (Form must be signed by an ottwer of cwporation)
JAMES L WILSON PRESIDENT
Typo or Print Name Title
NCCZD501 12/18/05