20061950 Ver 1_More Info Received_20070307

Eco1.o~~c
Engineering/Construction
February 27, 2007
Cyndi Karoly, 401 Unit Supervisor
401 /Wetlands Unit
NCDENR Division of Water Quality
1650 Mail Service Center
Raleigh, NC 27699-1650
RE: Amendment (No. 2) to NWP 39 Application
Cedar Point Subdivision, Caswell County, NC
Owner: Tab-Hyco, LLC
Dear Cyndi:
REC~Iy~~
MAR ~ 12001
As requested by Daryl Lamb in a telecommunication on February 23, 2007, we are providing
clarification on proposed impacts along with five (5) copies of revised pages 7-9 of the pre-
construction notification (PCN) for Nationwide Permit 39 for the above referenced project.
The matter to be clarified is the nature of the impact, namely the number, length and diameter of
culvert pipes proposed. After our original submittal, the two proposed culverts were replaced in
the design with a single, 60-inch RCP culvert, 78 feet long with a precast concrete headwall on
the upstream end only. The result is a net reduction of 4 feet of impacted channel, for a proposed
impact of 1101inear feet rather than 114 feet as originally proposed. The enclosed pages reflect
these changes. Also enclosed are portions of the design plan showing the proposed impact from
three perspectives as well as embedment depths for the culvert and rip-rap outlet pad.
If you have questions or need further information, please call our office at [phone].
Sincerely,
Ecologic Associates, P.C.
~t
s ~ ~~ rii[;l
Mark A. Taylor, PE "t~
Project Consultant
.;N ;51 BSI..-, ysee.« ~-'^°~''S~
.iW.r f
Enclosure: Pages 7-9 of Cedar Point Pre-construction Notification (Revised)
C: Tom Berry, Tab-Hyco, LLC (with enclosure)
Daryl Lamb, NC Div. of Water Quality, WSRO (with enclosure)
Technology Serving Ecology
4321-A S. Elm-Eugene Sf. • Greensboro, NC 27406
[phone] • Fax [phone]
www.ecologic-nc.com
fll~ - i95o
6~ Printed on rerycled paper.

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single-lane drive which serves about five residences north of the proposed development. The
majority of upland areas on the site have recently been cleared of forest and seeded with rye.
The remaining wooded areas are buffer strips around the perimeter if the site and along the
drainage channels. The majority of the site has been disturbed by direct logging, incidental
logging, or earth moving.
10. Describe the overall project in detail, including the type of equipment to be used: Cedar
Point will be a rural residential subdivision of 15 lots requiring limited site rg ading and
infrastructure. Beau Matthews Road will be widened to serve a new cul-de-sac (Wild Berry
Lane) located centrally to access the 15 lots. The only_proposed impact to Waters of the U.S.
is a single 60-inch RCP culvert for the widened road crossing (Beau Matthews Road of an
unnamed tributary (#11 to Hvco Lake.
11. Explain the purpose of the proposed work: The proposed culvert will provide improved
road access (Beau Matthews Road) to the subdivision and an internal road serving fifteen
(15) building lots. Refer to the attached plan and profile drawing excerpts (3).
IV. Prior Project History
If jurisdictional determinations and/or permits have been requested and/or obtained for this
project (including all prior phases of the same subdivision) in the past, please explain. Include
the USACE Action ID Number, DWQ Project Number, application date, and date permits and
certifications were issued or withdrawn. Provide photocopies of previously issued permits,
certifications or other useful information. Describe previously approved wetland, stream and
buffer impacts, along with associated mitigation (where applicable). If this is a NCDOT project,
list and describe permits issued for prior segments of the same T.I.P. project, along with
construction schedules. N.A.
V. Future Project Plans
Are any future permit requests anticipated for this project? If so, describe the anticipated work,
and provide justification for the exclusion of this work from the current application.
No
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. Each impact must be
listed separately in the tables below (e.g., culvert installation should be listed separately from
riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts,
permanent and temporary, must be listed, and must be labeled and clearly identifiable on an
accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial)
should be shown on a delineation map, whether or not impacts are proposed to these systems.
Wetland and stream evaluation and delineation forms should be included as appropriate.
Photographs may be included at the applicant's discretion. If this proposed impact is strictly for
Updated 11/1/2005
Page 7 of 13

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wetland or stream mitigation, list and describe the impact in Section VIII below. If additional
space is needed for listing or description, please attach a separate sheet.
1. Provide a written description of the proposed impacts: One 60" RCP culvert, 78 ft. long
with apre-cast headwall on the upstream end adding approximately 3 ft to the culvert
Riprap channel lining (shown on the plan) at the outlet end (extending approximately 32 ft
downstream) will be installed for scour protection for a total proposed impact of 110 linear
feet. The proposed impact is to an unnamed perennial tributary to Hyco Lake Refer to the
attached plan and profile drawin excerpts (3)
2. Individually list wetland impacts. Types of impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
separately list impacts due to both structure and flooding.
Wetland Im act
P
Site Number
(indicate on map)

Type of Impact T
ype of Wetland
(e.g., forested, marsh,
herbaceous, bog, etc.) Located within
100-year
Floodplain
es/no
(y ) Distance to
Nearest
Stream

(linear feet) Area of
Impact
(acres)

Total Wetland Impact (acres) ~,0
3. List the total acreage (estimated) of all existing wetlands on the property:
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib
walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed,
plans and profiles showing the linear footprint for both the original and relocated streams
must be included. To calculate acreage, multiply length X width, then divide by 43,560.
Stream Impact
Number
indicate on ma
( )
Stream Name
Type of Impact
Perennial or
Intermittent? Average
Stream Width

Before Im act Impact
Length

(linear feet) Area of
Impact

(acres)
1 UT to Hyco Lake Culvert P 7-10 110 0.03

Total Stream Impact (by length and acreage) 110 0.03
Updated 11/1/2005
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5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fill, excavation, dredging, flooding, drainage, bulkheads, etc.
Open Water Impact

Site Number
(indicate on ma)
Name of Waterbody
(if applicable)

Type of Impact Type of Waterbody

(lake, pond, estuary, sound, bay,
ocean, etc.) Area of

Impact
(acres)

Total Open Water Impact (acres) 0.0
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): 0.03
Wetland Impact (acres): 0.0
Open Water Impact (acres): 0.0
Total Impact to Waters of the U.S. (acres) 0.03
Total Stream Impact (linear feet) 110
7. Isolated Waters
Do any isolated waters exist on the property? ^ Yes ®No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USACE.
8. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ^ uplands ^ stream ^ wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Current land use in the vicinity of the pond:
Size of watershed draining to pond: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
Updated 11/1/2005
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ING LINE
PERMANL'NT RIP-RAP OUTLET PAD # 1; 15'wide @ PIPE OUTLETS
To 36' wide 32' out Irom PIPE OUTLET, use 30" 1VEL[ GRADED
CLASS f EROSION STONE over FABRIC LINER
Si~;DIA~:N~ TRgp #4
TEMP. GRAVEL & RIP-RAP FILTER BASIN w/
a 2a'xl2'x3.0' SEDIMENT STORAGE AREA
•' WEIR LENGTH; 4.0' SURFACE AREA; 288 sq.R
~' WHEN THE AREA HAS BEEN STABILIZED AND
APPROVED REMOVE BASIN AND SEDIMENTS &
~ SPOT SEED AND MULCH ALL RESULTING BARE AREAS
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