20070128 Ver 1_More Info Received_20081118

DR. J.H. CARTER III & ASSOCIATES, INC.
Environmental Consultants
P.O. Box 891 • Southern Pines, N.C. 28388
[phone] 9 Fax [phone]
10 November 2008
Mr. Ian McMillan
401 Oversight/Express Review Permitting Unit
NC Division of Water Quality
1650 Mail Service Center
Raleigh, NC 27699-1650
RE: Mid South Club
DWQ Project #07-0128, Moore County
Dear Mr. McMillan:
This letter is in reference your request for more information, dated 21 October 2008, regarding
the permit application for impacts to jurisdictional wetlands at Mid South Club in Southern Pines,
Moore County, North Carolina. The enclosed information and mapping has been provided by the
project engineers, BSC Group. Please find 5 copies of each of the following enclosed: responses to
the additional information that DWQ requested in question-answer format, tabulated off-site
development within the drainage area (estimated), plan and profile views of the roadway and bridge
crossing on 11x17 (3 sheets) and 1:50 scale maps showing the requested features.
Please contact me with any further questions regarding this project or the information provided
herein. Thank you for your time.
Sincerely, lJe ifer M. Archambault
Wildlife Biologist
UV v 1 8 2008
DENR - VNATE:R QUALI,I k
VYETLKNDS AND STOROATER BRANGh
Endangered Species Surveys • Environmental Assessments 9 Land Management 9 Wetlands Mapping and Permitting
DR. J.H. CARTER III & ASSOCIATES, INC.
Environmental Consultants
P.O. Box 891 • Southern Pines, N.C. 28388
[phone] * Fax [phone]
Letter of Transmittal
To: MR. IAN McMILLAN
NC DIVISION OF WATER QUALITY
401 WETLANDS UNIT
1650 MAIL SERVICE CENTER
RALEIGH, NC 27699-1650
Date: 10 Nov 2008 Job # 0669
Attn:
Re: Mid South Club
WE ARE SENDING YOU
X Attached
Copy of letter
Prints
_ Reports X Maps
X Plans Data
Photos
COPIES DATE # P s DESCRIPTION
5 2 Question-answer responses to DWQ additional information requested
5 1 existing off-site imperviousness within drainage area
5 3 Plan and profile views of bride crossing and wetland impact
5 5 1:50 scale maps

THESE ARE TRANSMITTED
For approval
X For your use
X As requested
For review and comment
Approved as noted
Approved as submitted
Returned for corrections
For your information
u
NOV 1 8
DENR - WATER QUALITY
VXTWVDS AND STORMWATER E3RMC.4,
REMARKS: Ian,
I've enclosed information that you requested in your letter dated 10-21-08. Please
review and call with any questions. BSC group provided impervious area onsite as well
as offsite within the drainage area just in case you needed it, so I've sent it along in this
package. I'm assuming the project is designed such that all drainage is collecting at the_
_south end of the site because the drawings indicate I large drainage area. I discussed
DWQ's requests with the project engineer before they provided information and
mapping, so hopefully this is all you need.
Jennifer
COPY TO:
SIGNED:
If enclosures are not noted, please contact us immediately
Endangered Species Surveys • Environmental Assessments 9 Land Management 9 Wetlands Mapping and Permitting
?
Responses to NC DWO's letter of Oct 21, 2008 y
10V I R 2008
Additional Information Requested: D?t?H. 01A+E
WETLANDS AND 9TORMVVATER. 6fRAN(;H
1. Please re-submit your site plans on full plan sheets at a scale of no smaller than
1"=50' with topographic contours shown.
RESPONSE: Three sheets of 1"=50' plans provided of future development
showing roads, driveways, lots and townhomes - showing that all proposed
development is out of wetlands, except for the one roadway and bridge crossing
the wetlands as detailed on the 11" x 17" sheets. Master Plan and Overall
Drainage Area Plan show the existing and future development, and the adjacent
off-site drainage area.
2. Please provide building envelopes for all lots with wetlands and/or streams on the
site plan.
RESPONSE: Building envelopes/setbacks for single family lots around wetlands
are shown indicating no impacts. Also townhomes and driveways around
wetlands are shown indicating no impacts.
3. Please indicate proposed lot layout as an overlay on the site plan.
RESPONSE: Lot layouts and townhomes are shown.
4. Please indicate all proposed stream or wetland driveways crossings on your plan
sheet (including future proposed).
RESPONSE: No stream impacts proposed. Only wetland impact proposed is
that at the future road and bridge crossing, with 5505 SF of impact.
5. Please indicate and enumerate all stream impacts including all fill slopes,
dissipaters, and bank stabilization on the site plan.
RESPONSE: No stream impacts nor filling is proposed.
6. Please indicate and enumerate all wetland impacts including fill slopes on the
plan.
RESPONSE: Only wetland impact proposed is that at the future road and
bridge crossing, with 5505 SF of impact, with approximately 540 CY of soil fill at
bridge ends.
7. Please locate all isolated or non-isolated wetlands, streams, and other waters of
the State as overlays on the plan.
RESPONSE: All wetlands, streams and waters (ponds) are shown as delineated
and surveyed.
8. Please provide an inventory of imperviousness surfaces in each drainage area.
The inventory should include all proposed building footprints, roads, driveways,
sidewalks, gravel-surfaced areas, amenity areas, etc. A Stormwater Management
Plan (SMP) must be provided for any drainage area that exceeds 24 percent
imperviousness. For each BMP, provide a completed BMP Supplement Form
with all the required items (see http://h2o.enr.state.ne.us/su/bmp forms.htm).
Per NCAC 2B 15A: 02H1000, a "drainage area" is defined as "the entire area
contributing surface runoff to a single point."
RESPONSE: Impervious areas within the drainage area for both the existing
and future development of Mid South Club are tabulated on the Master Plan.
Existing development is at 18% imperviousness, with future development at
14%. The attached Overall Drainage Area plan shows the limits of drainage
areas with contours, with an ortho plot of the area showing homes, streets and
development. Off-site development (the surrounding areas of homes, streets,
school, golf course and undeveloped areas) that are within the drainage area is
tabulated on the attached spreadsheet indicating only 8% imperviousness. With
the overall imperviousness at such low percentages, no Stormwater Management
Plan nor BMP's are proposed. [Note also the very small areas of wetlands
impacts proposed, 5505 sf for a proposed development of 100 acres.]
2
Ilm
txistmg Utt-Srce uevelopment = 670 ac
Homes - assuming each house & driveway has an impervious area of 2500 sf
Number of Homess 339
Area per building 2500 sf
Impervious Area 847500 sf
19.46 ac
Roadways - roadway lengths determined from orthographic photos of the area
- assuming each roadway with sidewalk is 30 ft wide
Total Linear Feet of Roadway 42225 If
30 foot road width 30 ft
Impervious Area 1266750 sf
29.08 ac
School - calculated impervious area from ortho on AutoCAD
- included buildings, parking lot and sidewalks
Impervious Area 184140 sf
4.23 ac
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