SW Approval Letter - Airlie Park-Huber Technologies

North Carolina Department of Environmental Quality Division of Water Resources
512 North Salisbury Street 1611 Mail Service Center Raleigh, North Carolina 27699-1611
919.707.9000

November 2, 2022

DWR # 2011-0089v7
Lincoln County

Mr. Henk-Jan van Ettekoven, President
Huber Technology, Inc.
1009 Airlie Parkway
Denver, North Carolina 28037

Subject: APPROVAL OF STORMWATER MANAGEMENT PLAN
Airlie Industrial Park – Huber Technologies

Dear Mr. Ettekoven:
The Division of Water Resources (Division) recently reviewed the proposed stormwater management plan
(SMP) for the subject project as required by Individual 401 Water Quality Certification issued by the
Division on April 5, 2011. Submittal of the SMP satisfies the stormwater condition no. 2 of the 401
certification for this phase of the project and is subject to the requirements below.
The Division approves the SMP for Huber Technologies consisting of a sand filter including all associated
stormwater conveyances, inlet and outlet structures, and grading and drainage patterns depicted on
submitted plans (on your behalf by Stewart, Inc.), which are incorporated by reference and are enforceable
by the Division. The following conditions also apply:

a) The maximum allowable drainage area for the approved sand filter shall be 362,855 square feet
and the maximum allowable built-upon area within that drainage area shall be 260,477 square feet.
Any changes to these allowable maximum areas shall require the applicant to submit and receive
approval from the Division prior to any construction or modification of the current site.
b) The footprint of all stormwater management device(s) as well as an additional 10-foot wide area
on all sides of the device(s) shall be located in either public rights-of-way, dedicated common areas
or recorded easement areas. The final plats for the project showing such rights-of-way, common
areas and easement areas, shall be in accordance with the approved plans.
c) The approved SMP shall be constructed and operational before any permanent building or other
structure is occupied at the site.
d) The SMP may not be modified without prior written authorization from the Division.
DocuSign Envelope ID: BD44F6E2-7DCC-4FCF-B593-0519A3FA2B75

North Carolina Department of Environmental Quality Division of Water Resources
512 North Salisbury Street 1611 Mail Service Center Raleigh, North Carolina 27699-1611
919.707.9000

e) Maintenance activities for stormwater management device(s) shall be performed in accordance
with the notarized O&M agreements signed by Henk-Jan van Ettekoven (Huber Technology, Inc.)
on July 28, 2022. The O&M agreement shall transfer with the sale of the land or transfer of
ownership/responsibility for the approved SMP. The Division shall be notified promptly of every
transfer.
f) Upon completion of construction and prior to operation of the approved stormwater control
device(s), construction photos (if available) and a certification from an appropriate designer for the
device certifying that it has been installed in accordance with the approved plans, specifications,
and other supporting documentation, shall be submitted to the Division (C/O Chonticha McDaniel;
1617 Mail Service Center, Raleigh, NC 27699-1617 or via email).
g) Additional SMP(s) for future phases must receive written authorization from t he Division before
any land disturbance, construction, or expansion of the new phase(s) may occur.

Citation: 15A NCAC 02H .0506(b); 15A NCAC 02H .0507(c); 15A NCAC 02B .0200
Justification: A project that affects waters shall not be permitted unless the existing uses, and the
water quality to protect such uses, are protected. Activities must not cause water pollution that
precludes any best use on a short-term or long-term basis.

Please contact Chonticha McDaniel at [phone] or [e-mail] if you have any
questions or concerns regarding this matter.

Sincerely,

Paul Wojoski, Supervisor
401 & Buffer Permitting Branch

cc: Riyad Baroudi, PE – Stewart, Inc. (via email)
DWR 401 & Buffer Permitting Branch File

DocuSign Envelope ID: BD44F6E2-7DCC-4FCF-B593-0519A3FA2B75