HomeMy WebLinkAbout20060961 Ver 1_401 Application_20060606
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WITH ER5 RAVEN EL
ENGINEERS I PLANNERS I
June i2, 2006
~ ,~ 3 ~,-~
US Army Corps of Engineers NC-Division of Water Quality
Attn: Mr. Monte Matthews Attn: Ms. Cyndi Karoly
6508 Falls of Neuse Road, Suite 120 2321 Crabtree Blvd.
Raleigh, North Carolina 27615 Raleigh, North Carolina 27604
Re: 4o/Wade
Request for 404/401 Certification and Buffer Compliance
W&R Project Number- 02040467.00
Dear Mr. Matthews and Ms. Karoly,
SURVEYORS
1~ ___._~ ~ ~.
t t~ Q ~(~ 9 Co ~
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JUN 12 2000
DENR -WATER GUALi71'
YVETIANDS AND STC~RM4VATER BRAN
On behalf of Wexford Developers LLC, we are requesting authorization from the USACE to use
NWP's 12 & 39 for the construction of a residential/commercial development. We are also
.requesting 4o1-certification and buffer compliance from the NC-DWQ.
The subject property is approximately 17o acres in size and is located immediately west of
the intersection of Wade Avenue and Edwards Mill Road at Latitude 35.8075681°N and
Longitude 78.7296585°W in Wake County, North Carolina. The site contains unnamed
tributaries of Richlands Creek and is located in the Neuse River Basin. The Hydrologic Unit
Code for this basin is 03020201. The Water Quality Classification is C; NSW, and the Stream
Index is 27-33-11•
Project History
Wetlands were delineated by Soil and Environmental Consultants and approved by the
USACE on February 26, 2002 (USACE AID#: 200220576). On October 4, 2005, the NC-DWQ
conducted a site visit to evaluate streams potentially subject to the Neuse Riparian Rules. A
copy of the buffer letter is included with the attachments (DWQ Project #: 05-265).
Proposed Impacts
The proposed impacts consist of 252 linear feet of perennial stream channel and 0.032 acres
of wetland impacts for three roadway crossings and lot fill. An additional 62 linear feet of
perennial stream channel will be temporarily impacted forthe installation of a utility line.
Following construction of the utility line, the stream channel will be returned to pre-
construction contours. Impacts are summarized in the table below as well as in-the PCN
form.
NWP # Impact # Linear Feet SF Acres
39 (Road) Area A 252 730 0.017
i2 (Utility Line) Area B 32 363 0.008
(Road) Area C NA 1, 74 0.0 2
12 (Utility Line) Area G 30 25 0.006
Total Permanent 252 2,10 0.0 8
Temporary 62 622 0.014
Grand Total 314 2,726 0.063
iii MacKenan Drive i Cary, North Carolina z75u i tel: 919.4693340 i fax: 919.467.6008 i www.withersraveneLcom
7040 Wrightsville Ave i Suite lol i Wilmington, North Carolina z8go3 i tel: 9io.z56.9z77 i fax: glo.z56.z584
,J
Riparian Buffer Impacts
Im act # Zone 1(Sf) Zone 2 (SF) Total (SF) Total (acres)
Area A 1 ,785 11, 16 27,101 0.622
Area B 1, 54 1, 67 21 0.07
Area C 2,6 ,068 ,711 0.1 1
Area D 5, 1 ,680 ,0 1 o.zo8
Area E 8,52 . 5,625 14,148 0.32
Area F 1,82 714 2,5 0.058
Area G 1,7 600 2, o.o
Total 37~ 04 26,470 6 ~ 74 1.48
Avoidance and Minimization
Wetland, stream and buffer impacts for the proposed project have been avoided and
minimized to the greatest extent practical for the development of the project.
Impacts 'A' and 'E' are required for the improvement of the Main Drive collector roadway
(loo' right-of-way) connection from Edwards Mill Rd. to Trinity Rd. Impact 'A' has been
minimized through the use of retaining walls. The crossing location for impact'E' was
determined based upon the absence of significant trees within the proposed impact area,
and has been designed as a bottomless culvert in order to avoid direct stream impacts.
Impacts 'B', 'F' and 'G' are required for utility connections to existing sewer mains and for
pedestrian crossings as required by the City of Raleigh approved Master Development Plan.
Locations of impacts were determined by required connection points to existing manholes
and absence of significant trees within the proposed impact area. Pedestrian crossings were
situated at the same locations as required utility crossings in order to avoid additional
impacts to the riparian buffer. In addition, the pedestrian crossings will utilize bridges to
reduce impacts to the stream channels.
Impact 'C' is required for the roadway connection of Corporate Center Drive from its existing
terminus at the southern corner of the property to Main Drive. The impact to the upper end
of the stream buffer could not be avoided due to the minimum radius criteria and maximum
superelevation rate for collector roadways in accordance with the City of Raleigh standards
for horizontal curve design criteria. The proximity of the access drive connection from
Corporate Center Drive to the existing Cardinal Gibbons High School site was designed in a
mannerto completely avoid impacts to the stream and buffer.
Impact 'D' is required for internal circulation of the vehicular traffic within the site. The
impacts have been located in a mannerto avoid the existingwetland area in the proximity of
the crossing. Again, the applicant is proposing an arch culvert in this location to minimize
impacts to the stream channels oti-site.
Stormwater Management Plan
The proposed impervious for Phase I is 44.3%~ therefore we have included a detailed
stormwater management that meets the NC-DWQ requirements for sites located within a
Nutrient Sensitive Watershed. Specifically, the applicant will utilize constructed wetlands in
order to protect downstream water quality. The NC-DWQ worksheets, signed Operations and
Maintenance Agreement and the stormwater manual for Phase s are included with the
attachments. The stormwater plans for the future phases have not been finalized, however;
based on the drainage area, adequate space has been reserved forfuture BMP locations.
We are requesting that the' NC-DWQ issue the 4oi-approval with a condition that work will
not begin on future phases until the stormwater management plans for these phases have
been reviewed and approved by the NC-DWQ.
Mitigation
Because the impacts to perennial channels exceed 150 linear feet, the applicant proposes
payment to the NC-EEP to satisfy mitigation requirements. Additionally, mitigation will also
be required for impacts to the riparian buffers at locations `A' and `C'. A copy of our request
has been forwarded to the NC-EEP for approval and is included with the attachments. When
we receive confirmation that the NC-EEP is willing to accept payment, we will forward this
information to your office.
Please feel free to call if you have questions or require additional information.
Sincerely,
WITHERS ~RAVENEL, INC.
Todd Preuninger
Attachments -
1) PCN Form
2) Site plans
3) Agent Authorization
4) USGS Quad
5) Wake County Soil Survey
6) DWQ Worksheets
7) Signed 0 and M agreement
8) stormwater management plans/details
WITHERS L``" RAYENEL
ENGINEERS I PLANNERS ISURVEYOR5
Site Access/Agent Authorization Form
Project Name: ~'02~ W ~1~t~
Property Owner/Contract Purchaser: WEx~j ~G~ %L~Aca2S Ll.• C
Address:
2~
Phone:
Fax: f 9><~1 671 ~-~d(~04
Email: `~ ~'2~.. ~ 'p ~S~c~J~ Gov
I hereby grant Withers and Ravenel, INC permission to conduct environmental
studies on the property described above. In addition, I authorize Withers and
Ravenel to act on my behalf as my agent when conducting site meetings and/or
correspondence (i.e. permit applications etc.) with the USACE and the NC -Division
of Water Quality, if necessary.
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Property Owner: l f''~l~ ~ `~e~ Date: `~ ~~-~/
(Print Name)
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ignature)
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Processing
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Check all of the approval(s) requested for this project: '~'~-o
® Section 404 Permit ® Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: 12 and 39
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ^
4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed
for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII,
and check here:
If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ^
Office Use Only:
Form Version March OS
rf ~ f a ~' t.; ~ ~ p
USAGE Action ID No. DWQ No,
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
II. Applicant Information
~ ~~~~~~
1. Owner/Applicant Information
Name: Wexford Developers LLC -Attn: Julian Raul JUN 1 2, z~g~
Mailing Address: 100 Weston Estates Wad _ ..~.._ - arER Quq~~rr
Car North Carolina 27513 -'~inrupe
Telephone Number: 919-481-3000 Fax Number: 919-677-8600
E-mail Address: karl(a~prestondev.com
2. Agent/Consultant Information (A signed and dated copy of the Agent Authorization letter
must be attached if the Agent has signatory authority for the owner/applicant.)
Name: Todd Preunin~er
Company Affiliation: Withers and Ravenel Inc.
Mailing Address: 117 Mackenan Dr
Cary NC 27511
Telephone Number: 919-469-3340 Fax Number: 919-238-2099
E-mail Address: tpreunin~er(a~withersravenel.com
Page 1 of 9
III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local
landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property
boundaries and development plans in relation to surrounding properties. Both the vicinity map
and site plan must include a scale and north arrow. The specific footprints of all buildings,
impervious surfaces, or other facilities must be included. If possible, the maps and plans should
include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property
boundaries outlined. Plan drawings, or other maps. may be included at the applicant's discretion,
so long as the property is clearly defined. For administrative and distribution purposes, the
USACE requires information to be submitted on sheets. no larger than 11 by 17-inch format;
however, DWQ may accept paperwork of any size. DWQ prefers full-size construction
drawings rather than a sequential sheet version of the full-size plans. If full-size plans are
reduced to a small scale such that the final version is illegible, the applicant will be informed that
the project has been placed on hold until decipherable maps are provided.
1. Name of project: 40/Wade
2. T.I.P. Project Number or State Project Number (NCDOT Only): NA
3. Property Identification Number (Tax PIN): 0774897537, 0784081029
4. Location
County: Wake Nearest Town: Raleigh
Subdivision name (include phase/lot number): 40/Wade
Directions to site (include road numbers/names, landmarks, etc.): The subject property
approximately 170 acres in size and is located immediately west of the intersection of Wade
Avenue and Edwards Mill Road at Latitude 35.8075681°N and Longitude 78.7296585°W in
Wake County, North Carolina.
5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that
separately lists the coordinates for each crossing of a distinct waterbody.)
Decimal Degrees (6 digits minimum): 35.8075681 °N 78.7296585 °W
6. Property size (acres): 170 Acres - Phase I consists of 39.58 acres
7. Name of nearest receiving body of water: Richlands Creek
8. River Basin: Neuse
(Note -this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: The site is currently a mix of pasture and woodlands. Land
use in the vicinity of the project is commercial and residential.
Page 2 of 9
10. Describe the overall project in detail, including the type of equipment to be used:~
The proposed project consists of the construction of residential housing and mixed use
development Typical heaves equipment such as excavators will be utilized to install the
infrastructure (i e roads and utilities)
11. Explain the purpose of the proposed work: The project is intended to meet the rg owing-
demand for housing and retail in the immediate area.
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 USAGE 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. Wetlands were delineated ~ Soil and Environmental Consultants and
~~roved by the USAGE on February 2b, 2002 (tJSACE AID#: 200220576). On October 4,
2005 the NC-DWQ conducted a site visit to evaluate streams potentiall~ject to the Neuse
Riparian Rules. A co~y of the buffer letter is included with the attachments (DWQ Project #: 05-
265 .
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.
None anticipated. However the applicant will be submitting stormwater mana eg ment plans for
future phases of this project.
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
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.
Page 3 of 9
Provide a written description of the proposed impacts: The proposed impacts consist of 252
linear feet of perennial stream channel and 0.032 acres of wetland impacts for three roadway
crossings and lot fill An additional 62 linear feet of perennial stream channel will be
temporarily impacted for the installation of a utility line. Following construction of the utility
line the stream channel will be returned to pre-construction contours.
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 Impact Type of Wetland Located within Distance to Area of
Site Number Type of Impact (e.g., forested, marsh, 100-year
Floodplain Nearest
Stream Impact
(acres)
(indicate on map) herbaceous, bog, etc.) ( es/no) (linear feet)
Area C (NWP 39) Road Construction Headwater Forest No Adjacent 0.032
Total Wetland Impact (acres) 0.032
2. List the total acreage (estimated) of all existing wetlands on the property: <0.5 acres
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 Impact Impact
Length
(linear feet) Area of
Impact
(acres)
Area A (NWP 39) UT Richland Creek Culvert Perennial 3-4 ft 252 .017
Area B (NWP 12) UT Richland Creek Temporary Utility Perennial 3-oft 32 0.008
Area G (NWP 12) UT Richland Creek Temporary Utility Perennial 7-8 30 0.006
Total Stream Impact (by length and acreage) 314 0.031
4. 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 Name of Waterbody Type of Waterbody Area of
Site Number (if applicable) Type of Impact (lake, pond, estuary, sound, bay, Impact
(indicate on map) ocean, etc.) (acres)
NA NA NA NA NA
Total Open Water Impact (acres) NA
List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): 0.031
Wetland Impact (acres): 0.032
Open Water Impact (acres): NA
Total Impact to Waters of the U.S. (acres) 0.063
Page 4 of 9
Total Stream Impact (linear feet): 314
6. 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.
7. 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.): NA
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): NA
Current land use in the vicinity of the pond: NA
Size of watershed draining to pond: NA Expected pond surface area: NA
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
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. Wetland, stream and buffer
impacts for the proposed project have been avoided and minimized to the greatest extent
practical for the development of the project.
Impacts 'A' and 'E' are required for the improvement of the Main Drive collector roadway (100'
right-of--way) connection from Edwards Mill Rd. to Trinity Rd. Impact 'A' has been minimized
through the use of retaining walls. The crossing location for impact 'E' was determined based
upon the absence of significant trees within the proposed impact area and has been designed as a
bottomless culvert in order to avoid direct stream impacts.
Impacts 'B', 'F' and 'G' are required for utility connections to existing sewer mains and for
pedestrian crossin s as required by the City of Raleigh approved Master Development Plan.
Locations of impacts were determined by required connection points to existing manholes and
absence of significant trees within the proposed impact area. Pedestrian crossings were situated
at the same locations as required utility crossings in order to avoid additional impacts to the
riparian buffer. In addition, the pedestrian crossings will utilize bridges to reduce impacts to the
stream channels.
Page 5 of 9
Impact 'C' is required for the roadway connection of Corporate Center Drive from its existing
terminus at the southern corner of the property to Main Drive. The impact to the upper end of
the stream buffer could not be avoided due to the minimum radius criteria and maximum
superelevation rate for collector roadways in accordance with the City of Raleigh standards for
horizontal curve design criteria. The proximity of the access drive connection from Corporate
Center Drive to the existing Cardinal Gibbons High School site was designed in a manner to
completely avoid impacts to the stream and buffer.
Impact 'D' is required for internal circulation of the vehicular traffic within the site. The impacts
have been located in a manner to avoid the existing wetland area in the proximity of the crossing_
Again, the applicant is proposing an arch culvert in this location to minimize impacts to the
stream channels on-site.
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete.
An applicant may also choose to review the current guidelines for stream restoration in DWQ's
Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o. enr.state.nc. us/ncwetlands/strmgide.html.
Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction. Please attach
a separate sheet if more space is needed.
Page 6 of 9
Because the impacts exceed 150 linear feet of perennial stream impact the applicant
proposes payment to the NC-EEP to satisf~miti~ation requirements.
2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement
Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at
(919) 715-0476 to determine availability, and written approval from the NCEEP indicating
that they are will to accept payment for the mitigation must be attached to this form. For
additional information regarding the application process for the NCEEP, check the NCEEP
website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Amount of stream mitigation requested (linear feet): 252 - 504
Amount of buffer mitigation requested (square feet): 76,860
Amount of Riparian wetland mitigation requested (acres): NA
Amount ofNon-riparian wetland mitigation requested (acres): NA
Amount of Coastal wetland mitigation requested (acres): NA
IX. Environmental Documentation (required by DWQ)
1. Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federal/state) land? Yes ^ No ^
2. If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at (919) 733-5083 to review current thresholds for environmental documentation.
Yes ^ No ^
3. If yes, has the document review been finalized by the State Clearinghouse? If so, please
attach a copy of the NEPA or SEPA final approval letter. Yes ^ No ^
X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify )? Yes ® No ^
Page 7 of 9
~~ ~ ~~
2 2/
55
2. If "yes", identify the square (feet and acreage of impact to each zone of the riparian buffers.
If buffer mitigation is requi ed calculate the requ' e amount of mitigation by applying the
buffer multipliers. J~~ ~. bv1,
i ~f
Im act # Zone 1 SF Zone 2 SF Total SF Total acres
Area A 15,785 11,316 27,101 0.622
Area B 1,954 1,467 3,421 0.079
Area C 2,643 3,068 5,711 0.131
Area D 5,371 3,680 9,051 0.208
Area E 8,523 5,625 14,148 0.325
Area F 1,829 714 2,543 0.058
Area G 1,799 600 2,399 0.055
Total 37,904 26,470 64,374 1.48
Mitigation is required for impact A and for Impact C in the amount of 76,860 SF.
* Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an
additiona120 feet from the edge of Zone 1.
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 15A NCAC 2B .0242 or .0244, or .0260. The ap lip Cant proposes payment to the NC-
EEP to satisfy mitigation requirements. A copy of our request to EEP is included with the
attachments.
XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss
Stormwater controls proposed in order to protect surface waters and wetlands downstream from
the property. If percent impervious surface exceeds 20%, please provide calculations
demonstrating total proposed impervious level. The proposed impervious for Phase I is 44.3%,
therefo_r__e_ we have included a detailed stormwater management that meets the NC-DWO
requirements for sites located within a Nutrient Sensitive Watershed. Specifically the applicant
will utilize constructed wetlands in order to protect downstream water quality. The NC-DWQ
worksheets, si ng ed Operations and Maintenance Agreement and the Stormwater manual for
Phase 1 are included with the attachments. The Stormwater plans for the future phases have not
been finalized, however; based on the drainage area, adequate space has been reserved for future
BMP locations. We are requesting that the NC-DWQ issue the 401- approval with a condition
that work will not begin on future phases until the stormwater mana eg ment plans for these
phases have been reviewed and approved by the NC-DWQ.
Page 8 of 9
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of
wastewater generated from the proposed project, or available capacity of the subject facility.
Sanitary Sewer
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules?
Yes ^ No
Is this an after-the-fact permit application? Yes ^ No
XIV. Cumulative Impacts (required by DWQ)
Will this project (based on past and reasonably anticipated future impacts) result in additional
development, which could impact nearby downstream water quality? Yes ^ No
If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with
the most recent North Carolina Division of Water Quality policy posted on our website at
http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: All of
the ad'a~ cent parcels have already been developed (i.e. Cardinal Gibbons High School and the
RBC Center), therefore we do not believe that this project will lead to future impacts in the
adjacent parcels. In order to protect downstream water quality the applicant will employ the
~~ropriate BMP's during construction. Following construction, stormwater wetlands (designed
to the NC-DWQ requirements) will be used to treat stormwater before it leaves the site. In
addition, the applicant will retain 50 -foot Neuse Buffers around the remaining stream channels
and will retain a 100-foot buffer on either side of Medfield Creek. Therefore we do not believe
that this project will negatively impact downstream water quality.
XV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
NA
Applicant/Agent's Signature 1 D,,~te
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
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WITHERS L~~ RAVENEL Preston 40/Wade
ENGINEERS I PLANNERS 1 SL'RVFVOR•, ~/&R Job #: 204476.00
111 MacKenan Drive Cary, North Carolina
telephone: 919.469.3340 www.withersravenel.com
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WITHERS ~~'~ RAVENEL Preston 40/Wade
ENGINEERS I PLANNERS '. SURVEVOP.S W&R Job #: 204476.00
111 MacKenan Drive Cary, North Carolina
telephone: 919.469.3340 www.withersravenel.com
0 1,320 2,640
Feet
0~ F WATC9QG William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
~ Alan W. Klimek, P.E. Director
~" Colleen H. Sullins, Deputy Director
> -i Division of Water Quality
n ~
Mr. Kevin Martin
Soil & Environmental Consultants, YA
1 l 010 Raven Ridge Road
Raleigh, NC 27614
BASIN:
Meuse River X
((SA NCAC 2B .0233)
Complaint NOV
Incident#
October 6, 2005
V
GPI ~ f GUC~')
By: Soil & Environmenlal Consullanls, PA
Tar-Pamlico
(15A NCAC 2I3 .0259)
NBRRO 05-265
County: Wake
Buffer DeterTnination X
eal Call
Project Name: Trinity Road Property -Raleigh
l,ocation/Directions: Property is north of Trinity Road and bounded to the north'by Wade Avenue, to the west by
Interstate Highway 40, and to the east by Edwards Mill Road.
Subiect Stream: UTs to Richland Creek
Date of Determination:l0/4/05
Feature Start Buffer
GPS Points (if provided) End Buffer Stream
Form Appeal
Call Located
on Soil
Survey Located on
USGS
To o ra hic
A Subject at S&EC Flag "NBR
Hi h" X
B Not Subject (Not On Maps)
C Subject at S&EC Fiag "Start
NBR" ~ X
D Subject (Not Contested) X X
E Not Suhject 16 X
F Not Subject X
G Subject at S&EC Flag "Start
NBR 03" X
H Not Subject (Pond Isolated) X X
~o-
- - ~'~
Raleigh Regional ptfice 1628 Mail Service Center ~~ G ~~"J~l` phone (919) 791-4200 Customer Service
water Quality Section Raleigh, NG 27699-1626 facsimile (919) 571-4718 1-877-623-6748
c p p ~j ' (1~ .i.f\TAW,Tl1'fAn Arr nrn T C~u-r
U.S. ARMY CORPS OF ENGINEEF:S
Wilmington District
Action ID: 200220576 County: W
NOTIFICATION OF JURISDICTIONAL DETI;F:MIN
Property
Owner Colonial Properties Trust
Attn: Charles McGehee
Address 2101 6`h Avenue North
Birmingham, AL 35203
Telephone Number 205-250-8718
Authorized
..
~~~o~ ~
NFEB 21 Y0~
Agent Soil &, Enviro onsu an s, nc. -
Attn: Sean Clark
Address 11010 Raven Ridge Road
Raleil;h, NC 27614
Telephone Number 919-846-5900
Size and Location of Property (waterbody, Highway name/number, town, etc.): The property is
located on the west side of Edward Mills Road, just north of its intersection with Trinity Road, in Raleigh,
Wake County, North Carolina.
Basis for Determination: The site contains wetlands and stream channels with indicators of ordinary
high water marks, located adjacent to and including Richland Creek and its unnamed tributaries, above
headwaters, in the Neuse River Basin.
?C
Indicate Which of the Following Apply:
There are waters of the U.S., to include wetlands, on the above described property which we strongly suggest
should be delineated and surveyed. The surveyed wetland lines must be verified by our staff before the Corps will
make a final jurisdictional determination on your property.
13ecause of the size of your property and our present workload, our identification and delineation of your wetlands
cannot be accomplished in a timely manner. You may wish to obtain a consultant to obtain a more timely
delineation of the wetlands. Once the consultant has flagged a wetland line on the property, Corps staff will
review it, and, if it is accurate, we strongly recommend that you have the line surveyed for final approval by the
Corps. The Corps will not make a final jurisdictional determination on yourr property without an approved survey.
The waters of the U.S., to include wetlands, on your lot have been delineated, and the limits of the Corps
jurisdiction Dave been explained to you. Unless there is a change in the law or our published regulations, this
determination may be relied upon for a period not to exceed five years from the date of this notification.
There are no waters of the U.S., to include wetlands, present on the above described property which are subject to
the permit requirements of Section 404 of the Clean Water Act (33 USC 1344). Unless there is a change in the law
or our published regulations, this determination may be relied upon for a period not to exceed five years from the
date of this notification.
Placement of dredged or fill material in wetlands on this property without a Department of the
Army Permit is in most cases a violation of Section 301 of the Clean Water Act (33 USC 1311). A
permit is not required far work on the properly restricted entirely to existing high ground. if you
have any questions regarding the Corps of Engineers regulatory program, please contact
Amanda D. Jones at telephone number (919) 876 - 8441 extension 30
Project Manager Signature___~ Q.v. ~'~
Date February 26, 2002 Exp
Date February 26, 2007
SURVEY PLAT OR FIMUST BETATTAOCHED TOETHEYELL W PFYLE) OPY OF THISEFO M
DELINEATION FORM
zoos
t17 ,T.~T.'TT~TrTn'f'TAA(T ~T(1.TCAU~ nnnn ~ ~~ nT,. ~,,,, r,, .,. ,. .._ .._ .__
~® ~ .
Vii
~! ~
er:200'Z20576 Date:2-26-02
Applicant: Colonial Properties Trust Fmle Numb
Attached is: See Section below
INITIAL PROFFERED PERMIT (Standard Permit or Letter of permission) A
PROFFERED PERMIT (Standard Permit or Letter of permission) B
PEFZMTT DENTAL C
X APPROVED JURISDICTIONAL DETERMINATION D _
PRELIMINARY JURISDICTIONAL DETERNIINATION E
on' ti ~z. .e~ »:
~.
pie I t ~ p,~
A: INITIAL PROFFERED PERMIT: You may accept or object to the permit.
• .ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for fmal
authorization. If you received a Letter of Permission (LOP), you may accept the LOf' and your work is authorized. Your
signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights
to appeal the permit, including its terms and conditions, and approved jurisdictional d.etermutations associated with the permit.
• OBJECT: If you object to the permit (Standard or LOP) because of certain terms and conditions therein, you may request that
the permit be modified accordingly. You must complete Section II of this form and return the form to the district engineer.
Your objections must be received by the district engineer within 60 days of the date of this notice, or you will forfeit your right
to appeal the permit in the future. Upon receipt of your letter, the district engineer will evaluate your objections and may: (a)
modify the permit to address all of your concerns, (b) modify the permit to address some of your objections, or (c) not modify
the permit having determined that the permit should be issued as previously written. After evaluating your objections, the
district engineer will send you a proffered permit for your reconsideration, as indicated in Section B below.
B: PROFFERED PERMIT: You may accept or appeal the permit
• ACCEPT: If you received a Standard Permit, you may sign the permit document and return it to the district engineer for final
authorization. If you received a Letter of Pernission (LOP), you may accept the LOP and your work is authorized. Your
signature on the Standard Permit or acceptance of the LOP means that you accept the permit in its entirety, and waive all rights
to appeal the permit, including its terms and conditions, and approved jurisdictional determinations associated with the permit.
• APPF,AL: If you choose to decline the proffered permit (Standard or LOP) because of certain terms and conditions therein, you
may appeal the declined permit under the Corps of Engineers Administrative Appeal Process by completing Section II of this
form and sending the form to the division engineer. This form must be received by the division engineer within 60 days of the
date of this notice.
C: PERMIT DENIAL: You may appeal the denial of a permit under the Corps of Engineers Administrative Appeal Process
by completing Section II of this form and sending the form to the division engineer. This form must be received by the division
engineer within 60 days of the date of this notice.
D: APPROVED JURISDICTIONAL DETERMINATION: You may accept or appeal the approved JD or
provide new information.
• A(;CEPT: You do not need to notify the Corps to accept an approved JD. Failure to notify the Corps within 60 days of the
date of this notice, means that you accept the approved JD in its entirety, and waive all rights to appeal the approved JD.
+ .APPI~AL: If you disagree with the approved JD, you may appeal the approved JD under the Corps of Engineers Administrative
Appeal Process by completing Section II of this form and sending the form to the division engineer. This form must be received
by the division engineer within 60 days of the date of this notice.
E: PRELIMINARY JURISDICTIONAL DETERMINATION: You do not need to respond to the Corps
regarding the preliminary JD. The Preliminary JD is not appealable. If ;you wish, you may request an
approved JD (which may be appealed), by contacting the Corps district f:or further instruction. Also you may
provide new information for further consideration by the Corps to reevaluate the JD.
_~ _ -. --
£00 ~1 'Oa ,T ~W~In'rAA:~rr N(l,T,fiAN~T nn4o r i o aTa vWJ 7n ~ an nn ~, ~ ~~~
REASONS FOR APPEAL OR OBJECTIONS: (Describe your reasons far appealing the decision or your objections to an
initial proffered permit in clear concise statements. You may attach additional information to this form to clarify where your reasons
or objections are addressed in the administrative record.)
ADDITIONAL INFORMA'11UC
record of the appeal conference e
clarify the administrative record.
you may provide additional info
The appeal is Limited to a review of the administrative record, the Corps memorandum for the
meeting, and any supplemental information that the: review officer has determined is needed to
leither the appellant nor the Corps may add new information or analyses to the record. However,
ration to clarify the location of information that is already in the administrative record.
If you have questions regarding this dectston
process you may contact:
Ms. Amanda D. Jones, Regulatory Specialist
Raleigh Regulatory Field Office
6508 Falls of the Neuse Road, Suite 120
Raleigh, North Carolina 27615
If you only have c{uestions regarding the appeal process you may
also contact:
Mr. Arthur Middleton, Administrative Appeal Review Officer
CESAD-ET-CO-R
U.S. Army Corps of Engineers, South Atlantic Division
60 Forsyth Street., Room 9M15
Atlanta, Georgia 30303-8801
RIGHT OF ENTRY: Your signature below grants the right of entry to Corps of Engineers personnel, and any government
consultants, to conduct investigations of the project site during the course of the appeal process. You will be provided a 15 day
notice of any site investigation, and will have the opportunity to participate in all site investigations.
Date: Telephone number:
Signature of appellant or agent.
DIVISION ENGINEER:
Commander
U.S. Army Engineer Division, South Atlantic
60 Forsyth Street, Room 9M15
Atlanta, Georgia 30303-3490
600 ~ '0~ .L11STUd0'TRA~ci N(1,T,~AN~T nnoo i ~ n aTC w., ~„ ,, ,, ,, ,, , ,,, ,,, ,,
DWO Project
DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET*) WETLAND WORKSHEET
I. PROJECT INFORMATION (please complete the following information):
Project Name
Contact Person: ,~ --,~.,;~ ~.~` Phone Number: (g~ ~to~t - 334 0
For projects with multiple basins, specify which basin this worksheet applies to: ~~ P ~ 1
Permanent Pool Elevation 2 ft. (elevation of the orifice invert out)
Temporary Pool Elevation ft. (elevation of the outlet structure invert in)
Permanent Pool Surface Area 1,,
ZS ~ ~ 3 `r sq. ft. (water surface area at permanent pool elevation)
Drainage Area ~ "7 . pq ac. (on-site and off-site drainage to the basin)
Impervious Area 13 .1 b ac. (on-site and off-site drainage to the basin)
Forebay Surface Area ?, IX 5 sq. ft. (at permanent pool elevation approximately 15%)`
Marsh 0"-9" Surface Area O sq. ft. (at permanent pool elevation approximately 35%)*
Marsh 9"-18" Surface Area $ °1 D sq. ft. (at permanent pool elevation approximately 35%)*
Micro Pool Surface Area ?~'~ ~ t~ sq. ft. (at permanent pool elevation approximately 15%)`
Temporary Pool Volume 4 '~ . a 3 C? cu. ft. (volume detained on top of the permanent pool)
SA/DA used • 3 ~ ~ ° (surface area to drainage area ratio)'
Diameter of Orifice in. (draw down orifice diameter)
II. REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project
Applicants Initials
S U The temporary pool controls runoff from the 1 inch rain.
S The basin side slopes are no steeper than 3:1.
S yA planting plan for the marsh areas with plant species and densities is provided.
S Vegetation above the permanent pool elevation is specified.
S ~-} An emergency drain is provided to drain the basin.
~_The temporary pool draws down in 2 to 5 days.
S'{~Sediment storage is provided in the permanent pool.
.~~A sediment disposal area is provided.
Access is provided for maintenance.
A site specific, signed and notarized operation and maintenance agreement is provided.
The drainage area (including any offsite area) is delineated on a site plan. See, 51N hAP Y~o~
Access is provided for maintenance.
Plan details for the wetland are provided .
S Plan details for the inlet and outlet are provided.
A site specific operation and maintenance agreement, signed and notarized by the responsible party is provided (see
http://h2o.ehnr.state.nc.us/ncwetland sioand m.doc).
* Pocket Wetlands have different design parameters and are only assumed to remove 35% TSS -See pp. 19 and 20 of the NC DENR
stormwater BMP Manual, April 1999. 10% open water, 50% high marsh, 40% low marsh.
DWQ Project No.
DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET') WETLAND WORKSHEET
I. PROJECT INFORMATION (please complete the following information):
Project Name
Contact Person: c`, Phone Number: ~gjq) z} - 334 0
For projects with multiple basin ,specify which basin this worksheet applies to: ~M ~ Z
Permanent Pool Elevation 3~ 2 ft. (elevation of the orifice invert out)
Temporary Pool Elevation ~S<,~~Z ft. (elevation of the outlet structure invert in)
Permanent Pool Surface Area I g k ~ 23_ sq. ft. (water surface area at permanent pool elevation)
Drainage Area ~ ~p . ~'1 ac. (on-site and off-site drainage to the basin)
Impervious Area '1 . °1 ac. (on-site and off-site drainage to the basin)
Forebay Surface Area Z $(~ ~ sq. ft. (at permanent pool elevation approximately 15%)'
Marsh 0"-9" Surface Area -,QSS 3 sq. ft. (at permanent pool elevation approximately 35%)'
Marsh 9"-18" Surface Area LI? SS 3 sq. ft. (at permanent pool elevation approximately 35%)'
Micro Pool Surface Area ZS~ bq sq. ft. (at permanent pool elevation approximately 15%)'
Temporary Pool Volume '~ ?,~g~ cu. ft. (volume detained on top of the permanent pool)
SAIDA used 3. Z ~P /~ (surface area to drainage area ratio)*
Diameter of Orifice Z. • S in. (draw down orifice diameter)
II. REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project
Applicants Initials
S+}The temporary pool controls runoff from the 1 inch rain.
S~ The basin side slopes are no steeper than 3:1.
S Nr A planting plan for the marsh areas with plant species and densities is provided.
S !-1 Vegetation above the permanent pool elevation is specified.
S~r~t An emergency drain is provided to drain the basin.
S~_The temporary pool draws down in 2 to 5 days.
Sediment storage is provided in the permanent pool.
A sediment disposal area is provided.
Access is provided for maintenance.
A site specific, signed and notarized operation and maintenance agreement is provided.
The drainage area (including any offsite area) is delineated on a site plan. Spy. $WM,p Y~,~p o -+~ .
Access is provided for maintenance. 1
_ Plan details for the wetland are provided.
Plan details for the inlet and outlet are provided.
C ~_A site specific operation and maintenance agreement, signed and notarized by the responsible party is provided (see
http://h2o.ehnr.state.nc.us/ncwetland s/oand m.doc).
* Pocket Wetlands have different design parameters and are only assumed to remove 35% TSS -See pp. 19 and 20 of the NC DENR
stormwater BMP Manual, April 1999. 10% open water, 50% high marsh, 40% low marsh.
WET [WETLAND] DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
[Wetland maintenance wording is bracketed. Please modify the document as appropriate.]
The wet [wetland] detention basin system is defined as the wet [wetland] detention basin, pretreatment
including forebays and the vegetated filter if one is provided.
Maintenance activities shall be performed as follows:
After every significant runoff producing rainfall event and at least monthly:
a. Inspect the wet [wetland] detention basin system for sediment accumulation, erosion, trash
accumulation, vegetated cover, and general condition.
b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within
2 to 5 days as designed.
2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow
vegetative cover to maintain a maximum height of six inches, and remove trash as needed.
3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to
maintain proper functioning.
4. Remove accumulated sediment from the wet [wetland] detention basin system semi-annually or when
depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be
disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact
water quality (i.e. stockpiling near a wet [wetland] detention basin or stream, etc.).
The measuring device used to determine the sediment elevation shall be such that it will give an accurate
depth reading and not readily penetrate into accumulated sediments.
When the permanent pool depth reads • 25 feet in the main pond, the sediment shall be removed.
[For stormwater wetlands: If the elevation of the marsh areas exceed the permanent pool elevation, the
sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of
soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations.
Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled
for more than two weeks.]
When the permanent pool depth reads 2 •25 feet in the forebay [and micro-pool], the sediment shall be
removed.
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation 3 ~ 2 r
Sediment moval EI. ~.~5 75% ~
--------------77-- ______S_e_d_i_m__e_n_t_Removal Elevation 3 1°) •~5 75% _
-------------3 --------- -'S°~~
Bottom E vation 1 5% ,
Rnttnm FlPVatinn i' q sir
FOREBAY MAIN POND
Page 1 of 2
5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These
plants shall be encouraged to grow along the vegetated shelf and forebay berm.
[For wetlands: Wetland planting densities in the marsh areas should be maintained by replanting bare
areas as needed. Wetland plants should be encouraged to grow in the marsh areas.]
6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment
through the emergency drain shall be minimized to the maximum extent practical.
7. All components of the wet [wetland] detention basin system shall be maintained in good working order.
8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All
accumulated sediment and debris shall be removed from the structure, and a level elevation shall be
maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or
replanted as necessary.
I acknowledge and agree by my signature below that I am responsible for the performance of the seven
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to th system or responsible party.
II II ~---
Print name: C. ~ c. F L_~--~ ~~ ~~~ - ~ G
Title:
Address:
Phon
Signa
Date:
~'L ~~ ~ l?
Note: The legally responsible party should not be a homeowners association unles more than 50% of the
lots have been sold and a resident of the subdivision has been named the pr~sident.
~- ,~-
I, ~ nt>S ~-- 1 ~ ~ ~- --~~~'-) , a Notary Pu_I~,for the State of ~~ C-~ ~ ~-,
County of ~ , doII hereby certify that ~ ~ w- --~ ~ ~~i ~--~
personally appeared before me this l_,P day of , ~ 1--~.- , ~~~~ and acknowledge the due
execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and
official seal,
~~~'~~ ~ T ~ ~~'°''i
°®
~~ ~ m
®~ A .~ ,.,„r e
a ~ .._t : ,w:. a
m
~ ~ q *k '~ 43 ~ ~ ~
e ~ ~
~~~ - - ® ~
d~ > ® ® . ~-
SEAL
My commission expires 1-~ 1'-~c~d Zf
Page 2 of 2
~' WET [WETLAND] DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
[Wetland maintenance wording is bracketed. Please modify the document as appropriate.]
The wet [wetland] detention basin system is defined as the wet [wetland] detention basin, pretreatment
including forebays and the vegetated filter if one is provided.
Maintenance activities shall be performed as follows:
After every significant runoff producing rainfall event and at least monthly:
a. Inspect the wet [wetland] detention basin system for sediment accumulation, erosion, trash
accumulation, vegetated cover, and general condition.
b. Check and clear the orifice of any obstructions such that drawdown of the temporary pool occurs within
2 to 5 days as designed.
2. Repair eroded areas immediately, re-seed as necessary to maintain good vegetative cover, mow
vegetative cover to maintain a maximum height of six inches, and remove trash as needed.
3. Inspect and repair the collection system (i.e. catch basins, piping, swales, riprap, etc.) quarterly to
maintain proper functioning.
4. Remove accumulated sediment from the wet [wetland] detention basin system semi-annually or when
depth is reduced to 75% of the original design depth (see diagram below). Removed sediment shall be
disposed of in an appropriate manner and shall be handled in a manner that will not adversely impact
water quality (i.e. stockpiling near a wet [wetland] detention basin or stream, etc.).
The measuring device used to determine the sediment elevation shall be such that it will give an accurate
depth reading and not readily penetrate into accumulated sediments.
When the permanent pool depth reads 2.25 feet in the main pond, the sediment shall be removed.
[For stormwater wetlands: If the elevation of the marsh areas exceed the permanent pool elevation, the
sediment should be removed to design levels. This shall be performed by removing the upper 6 inches of
soil and stockpiling it. Then the marsh area shall be excavated six inches below design elevations.
Afterwards the stockpiled soil should be spread over the marsh surface. The soil should not be stockpiled
for more than two weeks.]
When the permanent pool depth reads 2 • ZS feet in the forebay [and micro-pool], the sediment shall be
removed.
BASIN DIAGRAM
(fill in the blanks)
0 Permanent Pool Elevation 3g2
Sediment moval EI. 1~•75~ 75%
-------------- -- Sediment Removal Elevation 31°I •1S _7_5_%0_
Bottom E vation 31~ 5% _ _ _ • ~
FOREBAY MAIN POND
Page 1 of 2
5. Remove cattails and other indigenous wetland plants when they cover 50% of the basin surface. These
plants shall be encouraged to grow along the vegetated shelf and forebay berm.
[For wetlands: Wetland planting densities in the marsh areas should be maintained by replanting bare
areas as needed. Wetland plants should be encouraged to grow in the marsh areas.]
6. If the basin must be drained for an emergency or to perform maintenance, the flushing of sediment
through the emergency drain shall be minimized to the maximum extent practical,
7. All components of the wet [wetland] detention basin system shall be maintained in good working order.
8. Level spreaders or other structures that provide diffuse flow shall be maintained every six months. All
accumulated sediment and debris shall be removed from the structure, and a level elevation shall be
maintained across the entire flow spreading structure. Any down gradient erosion must be repaired and/or
replanted as necessary.
I acknowledge and agree by my signature below that I am responsible for the performance of the seven
maintenance procedures listed above. I agree to notify DWQ of any problems with the system or prior to any
changes to the system or responsible party. _
Print name:
Title:
Addr
Phor
Sign.
Date
~~ ~~~)
Note: The legally responsible party should not be a homeowners association unless more than 50% of the
• lots have been sold and a resident of the subdivision has been named the president.
E _ - ~. (1
I, ~°-~-AS> ~- ~ ~ ~~~ L , a Notary Public for the State of ~`d ~~ ~~ ~---- ,
County of a. , do hereby certify that ` 1 ~ Y-- S ,~--~
personally appeared before me this ~_ day of ~ ~ ~-~- , ~, and acknowledge the due
execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and
official seal,
~ ~ ~~~~ ~
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SEAL
My commission expires ~ ` °~~ -~~~~
Page 2 of 2
NORTH CAROLINA ECOSYSTEM ENHANCEMENT PROGRAM, NCEEP
IN-LIEU FEE REQUEST FORM
Revised 5/16/2006
Print this form, fill in requested information, sign and date, and either mail to NCEEP, 1652 Mail Service Center, Raleigh, NC
27699-1652, or fax to 919-715-2219. Attachments are acceptable for clarification purposes. All correspondence from
NCEEP will be to the Applicant, with a copy to the Applicant's Agent (if indicated).
CONTACT INFORMATION ' APPLICANT APPLICANT'S AGENT (optional) '
1. Business or Individual Name Wexford Developers, LLC Withers & Ravenel
2. Street Address or P O Box ~ 100 Weston Estates Way 111 MacKenan Drive
.
3. City, State, Zip Cary, NC 27513 ~~ Cary, NC 27511 ~~
4. Contact Person Todd Preuninger
5. Telephone Number
__ _...._ _____. _____._..._-____....._ _._....._ _ .~_..._..---.._-.. 919-481-3000 919-460-6006
;
6. Fax Number
919-677-8600 _ ~ _. _.__~ _ __~ .____.. __._ _i
919-238-2099
._._..__..._...~__----__~__._.....---._._........_._._.~....___....._..,
7. E-Mail Address (optional)
~ ----- ~____~ _.__.______.____ ___ _ _____. -r______.V.~~___-- -
karl@prestondev.com -.~._____..._..______..._._.------_...__~___..__~........._......
tpreuninger@withersravenel.com
__,___ ~_____ __.__~__________~_J
,___ __ _
PROJECT INFORMATION
8. Project Name Forty Wade
9. Project Location (nearest town, city) -
Ralei h - - :~ - -'~-~~ _
10. Lat-Long Coordinates (optional) ~ 35.8075681 °N & 78.7296585°W
1
_.........._ ................_..........._........_...................._............_........... _..............._................__.........
11. Project County ....._._................._..............._..............__........._......._............._..._-_............_................._._...................._............__.................._...................._........
': Wake
12. River Basin
Neuse
13. Cataloging Unit (8-digit) j
( 03020201
14. Riparian Wetland Impact (ac.) (e.g., 0.13) ~ 1
0.0315 ac
i 15. Non-Riparian Wetland Impact (ac.)
16. Coastal Marsh Impact (ac.)
f 17. Stream Impacts (ft.) (e.g. 1,234) ( Warm ~ Cool ~ Cold ~
_
j 252 ft. ~
__......_ .... __.......... _ _..... ~
18. Buffer Im act-Zone 1 s ft. e. 12,345
' ~ ....._....._....~ .......... ........_ ~ ...._.... .........._............1
~~~~~~~~~~~
'
1
.
...
.
. Proposed - 27,570 sq.ft. Mitigation (x3) - 82,710 sq.ft.
.
.
.
.
....._...................._......................_............_......._..............._....._.............._................_..._......................_....................__...._.._
19. Buffer Impact-Zone 2 (sq. ft.) ,
_.................._....................__...................__.............._....._..................._...................__........._........._.....................-...................._....................__....................__.........i
I Proposed - 20,339 sq.ft. Mitigation (x3) - 61,017 sq.ft.
IMPORTANT
Signature of Applicant or Agent:
j Check (~I) below if this request is a: j
~1-
revision to a current acceptance, or ~ j
Date: (
~ '~ \Z~ (
^ re-submission of an expired acceptance
_..__......_._......__......._'__ ,,,
~ j
..............._.._..__........___..._............._......._ _....._.__..._.........._. I
Buffer mitigation applicable only in the Neuse, Tar-Paml ico and Catawba river basins, and the Randleman Lake Water
Supply Watershed. For help in determining the Catalogi ng Unit, go to EPS's "Surf Your Watershed" web page:
http://cfpub.epa.gov/surf/locate/index.cfm Direct all questions to Chris Mankoff at 919-716-1921 or
chris.mankoff@ncmail.net
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168 LF OF 72' RCP
ROAD CROSSING ~
~~°` .A. 0 BUFFER ZONE 1
IMPACT AREA LENGTH GRAPHIC S CA L E
LOCATION S
STREAM 730 252 0 BUFFER ZONE 2 Too o so Too zoo
ZONE 1 15,785 --
ZONE 2 11,316 -- ~ ~~
1 inch = 100 ft.
PRESTON 40/WADE IMPACT AREA "A" W~THERB ~' RAVENEL
[N[IN[l[! 1 /LANN I[[ 1 [Y[Y[~O[[
APEX WAKE COUNTY NOftTF{ CAROLINA
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/ / PROPOSED SEWER CONNECTION
AND PEDESTRIAN CROSSING
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EXISTING SEWER
~/ 395 ~ /
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FOR SEW AIN NSION I I / ~ ~ EXISTING SANITARY SEWER
INTO PR S REFER TO /
FlNAL C0 ~ UC DRAWINGS I
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* STREAM IMPACTS ARE TEMPORARY -
FOR UTIUTY CONSTRUCTION ONLY
(NO FILL WILL BE PLACED)
UTILITY CROSSING `~~~
AREA "B"
IL~noN Asp ~~ D BUFFER ZONE 1 GRAPHIC SCALE
100 0 50 100 200
ioNE 2 i;as -- ~ BUFFER ZONE 2
IGPORTANT CWINNEL 363 32
1 inch = 100 ft.
PRESTON 40/WADE IMPACT AREA "B" WITHERS ~' RAVENEL
fNflNffff I ~LANNfIf 1 fNRYf•Off
APEX WAKF COUNTY NORTH CAROLINA
i
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AREA
BUFFER
ZONE 1 2,643 --
ZONE 2 3,068 --
WETLAND IMPACT 1374 --
BUFFER ZONE 1
0 BUFFER ZONE 2
®WETLAND IMPACT
PRESTON 40/WADE IMPACT AREA "C"
WAKE COUNTY NORTtI CAKOLINA
GRAPHIC SCALE
100 0 50 100 200
1 inch = 100 ft.
WITNER9 ~ RAVENEL
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PRESTON 40/WADE
APEX WAKE COUNTY NORTH CAROLIN,q
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WITHERS ~ RAVENEL
llllllll! 1 ILAMlI!! 1 !!!VlYOR!
IMPACT AREA "D"
4
ROAD CROSSING GRAPHIC SCALE
AREA "E" 0 BUFFER ZONE 1 ~ 00 o so i oo zoo
L~~ ~~ ~~
ZONE 1 8,523 -- 0 BUFFER ZONE 2
ZONE 2 5,625 -- 1 inch = 100 ft.
PRESTON 40/WADE
IMPACT AREA "E"
WITHERS ~ RAVENEL
INflNffff 1 •LANMfIf 1fYfYfrOlf
PEDESTRIAN CROSSING GRAPHIC SCALE
AREA "F" ~ BUFFER ZONE 1 goo o so ioo zoo
IIAPAL'T AREA LENGTH
~ocAnoN ~] BUFFER ZONE 2
ZONE 1 1,829 -- 1 inch = 100 ft.
ZONE 2 714 --
PRESTON 40/WADE
WAKE COUNTY NORTH CAROLI
IMPACT AREA "F" III W~THER8 ~' RAVENEL
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LOCATION S
ZONE t t,799 --
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s STREAM 9 30'
PRESTON 40/WADE
GRAPHIC SCALE
BUFFER ZONE 1 ioo o so ioo zoo
~ BUFFER ZONE 2
1 inch = 100 ft.
IMPACT AREA "G" III W~THER9 ~ RAVENEL
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