SW8021029_COMPLIANCE_20031029

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW �DaqIDAl1
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
❑ HISTORICAL FILE
COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

le/29/2003 11:25
Land
Q)
Buildings
(3)
Leasing
0
Proiam
9102511558
October 29, 2003
Mr. Rick Shiver
Water Quality Regional Supervisor
NC Division of Water Quality
127 Cardinal Drive Extension
Wilmington, NC 28405
HARBOUR PAGE 01
AtIllbc;0
BroTerage
371 NORTH FRONT STREET
WILMINGTON, NC 28401
Subject: Plan of Action for Stormweter Permit No. SW8 021029
Rick:
I received the Notice of violation for the Empire Distributors Site, Atlantic Brokerage
was the General Contractor engaged by Mr. Michael A. Kahn to construct the storm
water facilities. The violations were due to the incomplete construction of the facility by
our site subcontractor. Atlantic Brokerage takes full responsible for the violations,
Atlantic Brokerage has corrected all of the violations in the Notice of Violation by taking
the following actions:
1. During the original construction phase all of the slopes of the pond were sodded
and a sprinkler system'was installed.
2. Atlantic Brokerage inspected the pond on October 16, 2003. All of the slopes
were being properly maintained.
3. Atlantic Brokerage met with the Empire local manager, Mr. Doug Rose, to insure
he was aware of the future maintenance requirements of the pond. Mr. Rose had
employed Sycamore Land Services to maintain the pond.
4. Atlantic Brokerage measured the invert of the weir and found it to be exactly 12"
above the invert of the orifice.
5. A revised set of plans were hand delivered and discussed in a meeting with Laurie
Munn on October 17, 2003.
6. Mr. Phil Norris, P.E. was engaged to re -certify the pond on October 28, 2003.
Please call me at 910-763-0380 with any questions or comments.
'Sincerely,
William B. Fuller, Jr.
cc: Linda Lewis, Laurie Muni,, Phil Norris, Michael Kahn, Doug Rose
9101763 0380
PAX � 2 5 1 1 6 5 8 www.atlanticbrokerage.commercial + industrial specialist

0� WA7'F� Michael F. Easley, Governor
pWilliam G. Ross Jr., Secretary
G
6, North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E,;Director
p Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
October 14, 2003
CERTIFIED MAIL #7003 0500 0000 8804 3549
RETURN RECEIPT REQUESTED
Mr. Michael A. Kahn, Manager
Makwen Development Company, LLC
5417 Wyoming Drive
Charlotte, NC 28273
Subject: NOTICE OF VIOLATION
Empire Distributors Site
Stormwater Permit No. SW8 021029
New Hanover County
Dear Mr. Kahn:
On October 10,- 2003, Wilmington Regional Office personnel performed a Compliance
Inspection of the subject project, located at off Barbados Drive in Castle Hayne, New
Hanover County, North Carolina. The inspection was performed to determine the status
of compliance with Stormwater. Permit Number SW8 021029, issued to you on February
5, 2003. The project was certified by the consultant on September 17, 2003, with no
deviations noted.
The project has been found in violation of Stormwater. Permit Number SW8 021029 ,
issued pursuant to the requirements of 15A NCAC 21-1.1000. The violations found are:
1. Section 11.3- 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:
e. Maintenance of all side slopes in accordance with the approved plan.
The east slope appears to be steeper than 3:1.
2. Section 11.6- The facilities must be constructed as shown on the approved
plans.
a. The outlet structure has been modified from the approved plans.
Instead of the top of the outlet being at the storage elevation, a rough
weir has been cut into the side of the structure.
b. The invert of the weir appears to be less than 12" above the invert of
the orifice. A minimum of 12" is required to provide the necessary
storage volume.
c. A trash rack has not been provided. A trash rack is needed for the top
and over the weir face.
N. C. Division of Water Quality 127 Cardinal Drive Extension [phone] Customer Service
*A
Wilmington Regional office Wilmington, NC 215405 [phone] Fax [phone] NCDENR

Mr. Kahn
October 14, 2003
Page 2 of 4
To correct these violations you must :
1. Provide a written "Plan of Action" which outlines the actions you will take
to correct the violations and a time frame for completion of those actions,
on or before November 14, 2003.
2. As long as the east slope adjacent the rear parking lot remains stable, the
Division will not require regrading to 3:1. If subsequent inspections reveal
a problem, you will be required to regrade to 3:1.
3. Provide a revised plan detail for the outlet structure, or construct the
approved outlet structure
4. Provide a trash rack over the top and overflow weir of the current outlet
structure.
Upon completion of the above items, a revised Designer's Certification will be required.
Failure to provide the "Plan of Action" by November 14, 2003, or to correct the violations
by the date designated in the "Plan of Action", are considered violations of 15A NCAC
2H.1000, and may result in the initiation of enforcement -action which may include
recommendations for the assessment of civil penalties,' pursuant to NCGS 143-215.6A.
By copy of this letter to the New Hanover County Building Inspector, this Office is
requesting that the Building Inspector consider withholding building permits and
Certificates of Occupancy for this project until this matter is satisfactorily resolved.
If you, have any questions concerning this matter, please call Linda Lewis at (910) 395-
3900.
Sincerely,
Rick Shiver
Water Quality Regional Supervisor
RSSlarl: S:1WQSISTORMWATINOTICE1021029.oct03
cc: Phil Norris, P.E., Andrew and Kuske
Tony Roberts, New Hanover County Building Inspections
'LindaLewis---D
Central Office

I
Mr. Kahn '
October 14, 2003
Page 3 of 4
Empire Distributors Site
New Hanover County
Stormwater Proiect No. SW8 021029
Designer's Certification
I, , as a duly registered
in the State of North Carolina, having been authorized to observe (periodically 1 weekly 1
full time) the construction of the project, Empire Distributors, for Makwen
Development Company, LLC, 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.
Required Items to be checked for this certification to be considered complete are on
page 2 of this form.
Noted deviations from approved plans and specifications:
Signature
Registration Number
Date
cc: . NCDENR DWQ Regional Office
Tony Roberts, New Hanover County Building Inspector
SEAL

Mr. Kphn , '
October 14, 2003
Page 4 of 4
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.
B. Trash rack is provided on the outlet/bypass 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 dimensions of the system, as shown on the approved plans, are
provided.
cc: NCDENR-DWQ
Tony Roberts, New Hanover County Building Inspector

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DETENTION POND ANALYSIS FILENAME: G:IDATAIWPDATAIWQSIPOND1021029.WK1
PROJECT #: SW8 021029 REVIEWER: L. Lewis
PROJECT NAME: Empire Distributors
DATE:
13-Jan-03
Receiving Stream:
UT NE Cape
Fear River
Class:
B Sw
Drainage Basin.
Cape Fear
Index No.
CPF23 18-74-(47.5)
Site Area
1.24
acres
Drainage Area
5923 0!:
square feet
Area =
1.24 acres
IMPERVIOUS AREAS
Rational C
Building
9600.00
square feet
1.00
Parking
17047.00
square feet
1.00
SW
385.00
square feet
1.00
Future
8018.00
square feet
1.00
square feet
square feet
TOTAL
350.OU
square feet
Rational Cc= 0.72
SURFACE AREA CALCULATION
IMPERVIOUS 65.00%
Des. Depth 4.5
TSS: 90
SA/DA Ratio 5.15%
Req. SA 2777 sf
Prov. SA 2906'. sf
VOLUME CALCULATION * place a "1" in the box if Rational is used
Rational ?*
1
Des. Storm
4.00:: inches
Rv=
0.64
Bottom
92.1 msl
Perm. Pool
96.J msl
_.
Design Pool
97.6 msl
Design SA
3664 sf
Req. Volume
cf
Prov. Volume
3Q.; cf
ORIFICE CALCULATION
Avg. Head =
Flow Q2, cfs
Flow Q5, cfs
No. of Orifices
Diameter, inches
Drawdown =
0.48 ft
0.019 cfs
0.007 cfs
weir H x W
days
Perm. Pool Volume= 4799
Req. Forebay Volume= 959.8
Provided Volume= 1127.00
Percent=
SA @ _
Elevation=
Q2 Area = 0.81 sq. in.
Q5 Area = 0.32 sq. in.
Orifice Area 0.79 sq. in.
Q= 0.018 cfs
:.. ...............::::.:::. in x
COMMENTS
Surface Area , Volume and Orifice are within Design GuidelineE
in

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STORMWATER SYSTEM NARRATIVE
EMPIRE DISTRIBUTORS BUILDING
CASTLE HAYNE, NORTH CAROLINA
For
Makwen Development Company, LLC
5417 Wyoming Drive
Charlotte, NC 28273
[phone]
��Oyosae�r �r
October 2002
Prepared by:
RECEIVED
OCT 2 3 2003
nwQ
PROD # S%U Z I c z
ANDREW & KUSKE CONSULTING ENGINEERS, INC.
902 Market Street
Wilmington, North Carolina 28401
[phone]
[phone] — (Fax)
E-mail: [e-mail]
A & K Project No. 02216

NARRATIVE
STORMWATER MANAGEMENT MEASURES:
The project site is located in New Hanover County on the corner of Barbados
Boulevard and Los Tortugas Drive. Land disturbing on the site will exceed one acre,
which requires the site to comply with the State Regulations. The stormwater runoff
from the 1.24-acre development will be directed to a stormwater detention pond. The
stormwater detention pond was designed to accommodate this site at 30% impervious
area lot coverage and provide 90% TSS removal without a vegetated filter.
CONSTRUCTION SEQUENCE:
The Contractor will install the gravel construction entrance and silt fence prior to
beginning any clearing and grading operations. Additional silt fence will be installed
when and if conditions warrant during construction. The detention pond/silt basin will
be constructed immediately after that portion of the site is cleared, and outlet structure
with protection will be installed. Disturbed areas will be landscaped or seeded upon
completion. The detention pond will be cleaned out to remove any sediment that
accumulates during construction.