20081866 Ver 2_More Info Letter_20090317

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NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H. Sullins Dee Freeman
Governor Director Secretary
March 17, 2009
Mecklenburg County
DWQ EXP # 08-1866v2
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
Mr. David Niekamp
Crescent Resources, LLC
400 S. Tryon Street, Suite 1300
Charlotte, NC 28285
Subject Property: Belgate Multi-Family Residential Project (SMP)
REQUEST FOR MORE INFORMATION
On March 13, 2009, the Express Review Program of the Division of Water Quality (DWQ) received your
Stormwater Managemnt Plan Application for the above referenced project. The DWQ has determined
that your application will require additional information. Please provide the following information so
that we may continue to review your project and prevent return of your application as required by 15A
NCAC 2H.0506:
Additional Information Requested
1. Please submit a site plan of the entire Belgate Multi-Family Development showing project boundary,
topographical contours (existing and proposed), and delineated BMP drainage areas within the project
boundary.
Wet Ponds:
a. Pond 1: Please raise the west (left) side of the weir between the forebay and main pond to the
temporary pool elevation so as to direct the flow along the east side of the forebay thereby
lengthening the flow path between the inlet and outlet.
b. The riser detail for each pond on sheet C-4 should include the dimensions of the anchoring
concrete base. Also the riser detail for pond 2 shows an incorrect "Riser Bottom - Invert
Outfall Pipe" label.
c. Please provide sufficient installation information for your proposed pipe outlet riprap on the
plans. These shall include length, width and thickness of the apron; stone class; minimum and
average stone sizes; and a cross section with stones underlain by a gravel filter blanket or
filter fabric.
d. Please indicate the maintenance access to both the forebay and the outlet structure for each
pond.
e. Please revise the BMP Supplement Forms as discussed:
i. Page 2 of the Design Summary was repeated for both ponds (i.e. both supplements
had the same information on page 2).
ii. The surface areas and volumes on the supplement forms should be consistent with
those in the report.
401 Oversight/Express Review Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
Location: 2321 Crabtree Blvd., Raleigh, North Carolina 27604
Phone: [phone] FAX: [phone]
Internet: http://h2o.enr.state.nc.us/ncwetlands/
NorthCarolina
I
,.Xaturallry
An Equal Opportunity 1 Affirmative Action Employer
David Niekamp
Belgate Multi-Family Residential SMP
Page 2 of 2
March 17, 2009
Please respond within five (5) days of the date of this letter by sending two (2) copies of the above
information and any revisions in writing. The Express Review Program is a process that requires all
parties to participate in a timely manner.
This letter only addresses the application review and does not authorize any impacts to wetlands, waters or
protected buffers. Please be aware that any impacts requested within your application are not authorized (at
this time) by the DWQ.
Please contact Joseph Gyamfi or Lia Myott Gilleski at 919-733-1786 if you have any questions regarding or
would like to set up a meeting to discuss this matter.
Sincerely,
Cyndi Karoly, Supervisor
401 Oversight/Express Review Program
CBK/jg
cc: File copy
Steve Chapin, USACE Asheville Regulatory Field Office
Alan Johnson, DWQ Mooresville Regional Office
Bev. Rosenbloom, 4651 Charlotte Park Dr., Suite 300, Charlotte, NC 28217
¦ Complete items 1, 2, and 3. Also complete
item 4 if Restricted Delivery is desired.
¦ Print your name and address on the reverse
so that we can return the card to you.
¦ Attach this card to the back of the mailpiece,
or on the front if space permits.
1. Article Addressed to:
Mr David Niekamp
A.
X 0 Agent
0 Addressee
M yRe ive by (Prin d Name) tC. ?atgto
p 1f7i
es
D. Is delivery address different from item 1item 1? O Yes
If YES, enter delivery address below: 0 No
Crescent Resources LLC
400 S Tryon St Ste 1300
Charlotte NC 28285
DWQ Exp 08-1866 Mecklenburg Co
3. S Ice Type
Certified Mail Express Mail
Registered Retum Receipt for Merchandise
0 Insured Mail C.O.D.
4. Restricted Delivery? (Extra Fee) 0 Yes
2. Article Number
(transfer from service fabr 7007 2560 0001 1381 0629
PS Form 3811, February 2004 Domestic Return Receipt 102595-02-M-1540,
UNITED STATES POSTAL SERVICE
LISPS
• Sender: Please print your name, address, and ZIP+4 in this First- box •
Class Mail
Postage 8 Fees Paid
Permit No. G-10
NC DENR Division of W1 iter Quality
401 Oversight/Express Unit
2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604