20070791 Ver 1_More Info Received_20071121

p~- 0791
Enoch Engineers, P.A.
1403 Hwy 50 South
Benson, NC 27504
Phone [phone]
Fax [phone]

LETTER OF TRANSMITTAL
***********************************************************************
DATE: November 20, 2007
FROM: Jason Godwin
TO: NC Division of Water Quality
401 Oversight/Express Review Permitting Unit
2321 Crabtree Blvd., Ste. 250
Raleigh, NC 27604
Attn: Ian McMillan
RE: Overhills Creek S/D
NOTES:
Dear Mr. McMillan:
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Enclosed is~the request for additional information response letter. Any questions, please
contact Jason Godwin at 919-894-7765.
Sincerely,
L ~,~~~
Leanna J. Depew
Executive Secretary
Enoch Engineers, P.A.
Enclosure
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Joe E. Godwin Sr., PE, PLS Consulting Engineers & Surveyors Phone: [phone]
[phone]
Jce E. Godwin Jr., PE, PLS 1403 NC Highway 50 South Fax: [phone]
Kevin R. Allen, PE Benson, North Cazoliria 27504 Email: enochengineers@earthlinlcnet
November 20, 2007
NC Division of Water Quality (DWQ) DWQ Wetlands and Stormwater Branch
401 Oversight/Express Review Permitting Unit NPS Assistance and Compliance Oversight Unit
2321 Crabtree Boulevard, Suite 250 1617 Mail Service Center
Raleigh, North Carolina 27604 Raleigh, North Carolina 27699-1617
Attn: Ian McMillan
Attn: Shelton Sullivan
Reference: REQUEST FOR ADDITIONAL INFORMATION RESPONSE LETTER
(Harnett County PIN #'s 0514-44-3676 and 0514-54-0567)
Overhills Creek Subdivision (Ut to Lake Holton, 030614,18-23-30, C)
Spring Lake, North Carolina
Enoch Engineers Project No. 2694
Enoch Engineers has gathered the information requested in the request for more information letter from
DWQ 401 Permitting Unit dated October 26, 2007. Below is a plenary inventory of partially existing and/or
proposed project imperviousness area based on the estimated built-out conditions. Please note that
imperviousness area resulting from housing structures were based on an average of approximately six (6)
designer homes all within a range of approximately 1,195 square feet (sq. ft.) to approximately 1,550 sq. ft
Thus, an average imperviousness area for a typical home is 1 420 ~._f0.033 acresl. Average driveway
imperviousness area for a single lot is approximately 1 143 sq. ft. (0.026 acresl. Road widths from edge of
pavement (EOP) to EOP are thirty (30) feet:
OVERHILLS CREEg SECTION 6 SUMMARY
Road Length (ft) Width (ft) Total Area (sq. ft.)
Bladen Street 454 30 13,620
Haywood Street 828 30 24,840
Hillandale Road 585 30 17,550
Lenoir Drive 1,928 30 57,840
Polk Street 945 30 28,350
Pender Street 889 30 26,670
168,870
3.88 acres.
• Overhills Creek, Section 6 tract acreage = 33.77 acres
• 87 lots are included in Section 6 of Overhills Creek Subdivision.
~~
• 87 homes x 0.033 acres 2 87 acres
• 87 driveways x 0.026 acres = 2.26 acres p r ~ ~ ~ ~'
o Total imperviousnessarea = 9.01 acres
o Percent imperviousness area is 9.01 acres/33.77acres = 26.7% ~Vl~y ~ ~ 2007
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S:\GIS\Projects\Overhills Creek\DWQ Addirional Info 11-20-07.doc 1

OVERHILLS CREEg SECTION 7 SUMMARY
Road Length (ft) Width (ft) Total Area (sq. ft.)
Caldwell Street 1,550 30 46,500
Craven Court 446 30 13,380
E. Rockingham Street 479 30 14,370
W. Rockingham Street 750 30 22,500
E. Swain Street 412 30 12,360
W. Swain Street 297 30 8,910
Yancey Court 431 30 12,930
130,950
F ti.. - t 't .l..
3'.01 acres,. ,
• Overhills Creek, Section 7 tract acreage = 37.28 acres
• 961ots are included in Section 7 of Overhills Creek Subdivision.
• 96 homes x 0.033 acres = 3.17 acres
• 96 driveways x 0.026 acres = 2 50 ac>•es
~.. .
o Total imperviousness area = 8.6$ acres
o Percent imperviousness area is 8.68 acres/37.28 acres = 23.3%
Enoch Engineers appreciates your time and ongoing patience with this project Should you have any
questions about this project please contact Jason Godwin at [phone], extension 241.
Respectfully,
Enoch Engineers, PA
Jason Godwin
cc: W.S. Wellons Corporation, C-wner
BBC Enterprises, C-wner
Chad Turlington, NCDENR-DWQ
EE file
S:\GIS\Projects\Overhills Creek\DWQ Additional Info 11-20-07.doc