20040565 Ver 1_Complete File_20040412

micnaw r. easiey, vovernor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
goy e) 2.ooS
DWQ Project No.: 04-0565 County: Alamance
Applicant: Wakefield Associates (C/o Rick Rowe)
Project Name: University Commons (Formerly known as Burlington Commercial) Wetland Pond #1
Date of Issuance of 401 Water Quality Certification: May 3. 2004
Certificate of Comuletion
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer
Rules, and any subsequent modifications, the applicant is required to return this certificate to the
401 /Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC,
27699-1650. This form may be returned to DWQ by the applicant, the applicant's authorized agent, or
the project engineer. It is not necessary to send certificates from all of these.
Applicant's Certification
I, _ , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to
be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature: Date:
Agent's Certification
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to
be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature: Date:
If this project was designed by a Certified Professional
I, Brandon R. Finch as a duly registered Professional En ig neer (i.e.,
Engineer, Landsca e Architect, Surveyor, etc.) in the State of North Carolina, having been authorized
to observe eriodically weekly, full time) the construction of the project, for the Permitee hereby state
that, to the best o my abilities, due care and diligence was used in the observation of the construction
such that the construction was observed to be built within substantial compliance and intent of the 401
Water Quality Certification and Buffer Rules, the approved plans and specifications, and other
supporting materials.
dsa°
I do not certify the means and methods of construction or any geo-technical aspects of the pond. This
certification is valid only with respect to issues pertaining to the hydrologic/hydraulic and water quality
aspects of the pond.
Signature 416?_?Registration No. 027476
Date ovember 8, 2005
North Carolina Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetlands/
?a
micnaw r. casiey, uovernor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
DWQ Project No.: 04-0565 County: Alamance
Applicant: Wakefield Associates (C/o Rick Rowe)
Project Name: University Commons (Formerly known as Burlington Commercial) Wetland Pond #2
Date of Issuance of 401 Water Quality Certification: May 3, 2004
Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer
Rules, and any subsequent modifications, the applicant is required to return this certificate to the
401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC,
27699-1650. This form may be returned to DWQ by the applicant, the applicant's authorized agent, or
the project engineer. It is not necessary to send certificates from all of these.
Applicant's Certification
hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to
be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature: Date:
Agent's Certification
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to
be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature: Date:
If this project was designed by a Certified Professional
I, Brandon R. Finch as a duly registered Professional En ig neer (i.e.,
Engineer, Landscape Architect, Surveyor, etc.) in the State of North Carolina, having been authorized
to observe enodicall weekly, full time) the construction of the project, for the Permitee hereby state
that, to the best of my abilities, due care and diligence was used in the observation of the construction
such that the construction was observed to be built within substantial compliance and intent of the 401
Water Quality Certification and Buffer Rules, the approved plans and specifications, and other
supporting materials.
r4or&r
I do not certify the means and methods of construction or any geo-technical aspects of the pond. This
certification is valid only with respect to issues pertaining to the hydrologic/hydraulic and water quality
aspects of the pond.
Signature ;O?r ?'c _Registration No. 027476
Date November 8, 2005
North Carolina Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncwetiands/

MIuraei 1% casiey, voverrwr
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
r
1
Alan W. Klimek, P.E. Director
Division of Water Quality
DWQ Project No.: 04-0565 County: Alamance
Applicant: Wakefield Associates (C/o Rick Rowe)
Project Name: University Commons (Formerly known as Burlington Commercial) Wetland Pond #3
Date of Issuance of 401 Water Quality Certification: May 3, 2004
Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer
Rules, and any subsequent modifications, the applicant is required to return this certificate to the
401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center, Raleigh, NC,
27699-1650. This form may be returned to DWQ by the applicant, the applicant's authorized agent, or
the project engineer. It is not necessary to send certificates from all of these.
Applicant's Certification
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to
be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature: Date:
Agent's Certification
I, , hereby state that, to the best of my abilities, due care
and diligence was used in the observation of the construction such that the construction was observed to
be built within substantial compliance and intent of the 401 Water Quality Certification and Buffer
Rules, the approved plans and specifications, and other supporting materials.
Signature: Date:
If this project was designed by a Certified Professional
I Brandon R. Finch , as a duly registered Professional Engineer (i.e.,
Engineer, LandspeArchitect, Surveyor, etc.) in the State of North Carolina, having been authorized
to observe enoweekly, full time) the construction of the project, for the Permitee hereby state
that, to the best o ilities, due care and diligence was used in the observation of the construction
such that the construction was observed to be built within substantial compliance and intent of the 401
Water Quality Certification and Buffer Rules, the approved plans and specifications, and other
supporting materials.
dem-
I do not certify the means and methods of construction or any geo-technical aspects of the pond. This
certification is valid only with respect to issues pertaining to the hydrologic/hydraulic and water quality
aspects of the pond.
Signature 2&1:,4 ?g Registration No. 027476
Date November 8, 2005
NNorth Carolina Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
919-733-1786 (phone), 919-733-6893 (fax), http://h2o.enr.state.nc.us/ncweUands/
'MainLine
Contracting, Inc.
November 8, 2004
Certified Mail: Return Receipt Requested
Ms. Cyndi Karoly
Wetlands/401 Unit, DWQ.
North Carolina Department of Environmental Health and Natural Resources
Division Of Water Quality
401, Wetlands Certification Unit
1650 Mail Service Center
Raleigh, NC 27699-1650
Re: Express Review Program Notification (DWQ EXP No. 04-0565) -
University Commons Shopping Center in Alamance County, North Carolina
Dear Ms. Karoly:
On or about November 5, 2004 Wakefield Associates received the attached letter
pertaining to notification requirements under the Express Review Program. As their site
work contractor they have asked us to respond to this letter on their behalf. Accordingly,
pursuant with the terms of your notification letter dated November 2, 2004 this is to
inform you that work has begun on this commercial property located in Burlington, North
Carolina.
Please let us know if further information is required
Respectfully Sub 'tted,
Leslie J. Basni ht III
Project Manager
CC: Rick Rowe
Joseph Kopcio
Project File
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1 0 2004
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MDS?Q
2315 Sparger Rd. • Durham, NC 27705 • Phone [phone] • Fax [phone]
NC General Contractors License # 44127
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115/04 FRI 17:44 FAX [phone] WAKEFIELD ASSOC
NCDENR
North Carolina Department of Environment and Natural Resources
Michael F. Easley, Governor Division of Water Ouality

November 2, 2004
CERTIFIED MAIL; RETURN RECEIPT REQUESTED
Wakefield Associates
C/O Rick Rowe
2840 Plaza Place, Suite 105
Raleigh, NC 27612
Subject Property: Burlington Commercial
EXPRESS REVIEW PROGRAM NOTIFICAT/ON
Dear Mr, Rowe:
1@ 002
William G. Ross, Jr., Secretary
Alan W. Klimek, P.E., Director
DWQ EXP No. 04-0565
Alamance County
On May 3, 2004, the Division of Water Quality (DWQ) issued your Water Quality Certification to construct
the proposed commercial development. Within the Water Quality Certification that you received there is a
condition that reads:
Notification of Construction
The applicant and/or authorized agent shall contact the DWQ Express Review program in writing
at the letterhead address within 90 days of the commencement of construction.
This is a part of the Express Review Program that is required to ensure compliance during construction
and post construction. Therefore, if you have begun construction on your commercial development, you
are required to notify this office in writing by November 16, 2004. If you do not notify this office in writing
and construction has started, you are in violation of the Water Quality Certification Rules as required by
15A NCAC 2H.0507(c).
This letter is to notify you and make you aware of this new condition that has been written into the Water
Quality Certifications issued within the Express Review Program: Please call Deborah Edwards at (919)
733-9502 if you have any questions regarding this matter.
Sincere),
?;Cyndl Karoly,
Wetlands/401 Unit, DWQ.
CBK/dae
cc: Wendell Overby-S&EC, 236 LePhillip Court, Suite C, Concord, NC 28025
Daryl Lamb- DWQ Winston-Salem Regional Office
File Copy
Central Files
401 Wetlands Cortlkabon Unit
1650 Mall Service Center, Raleigh, North Carolina 27699.1650
2321 Crabtree Boulevard, suite M. Ralelgh, North Carolina 27604 nPhone. 919733-1786/FAX [phone] Internet:htt ://h2o.en state.n s/n lands 4i?Warohna
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Michael F. Easley, Governor
November 2, 2004
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
Wakefield Associates
C/O Rick Rowe
2840 Plaza Place, Suite 105
Raleigh, NC 27612
Subject Property: Burlington Commercial
EXPRESS REVIEW PROGRAM NOTIFICATION
William G. Ross, Jr., Secretary
Alan W. Klimek, P.E., Director
DWQ EXP No. 04-0565
Alamance County
Dear Mr. Rowe:
On May 3, 2004, the Division of Water Quality (DWQ) issued yo\ r Water Quality Certification to construct
the proposed commercial development. Within the Water Quality\,Certification that you received there is a
condition that reads:
Notification of Construction
The applicant and/or authorized agent shall contact the DWQ Express Review Program in writing
at the letterhead address within 10 days of the commencement of construction.
This is a part of the Express Review Program that is required to ensure compliance during construction
and post construction. Therefore, if you have begun construction on your commercial development, you
are required to notify this office in writing by November 16, 2004. If you do not notify this office in writing
and construction has started, you are in violation of the Water Quality Certification Rules as required by
15A' NCAC 2H .0507(c).
This letter is to notify you and make you aware of this new condition that has been written into the Water
Quality Certifications issued within the Express Review Program. Please call Deborah Edwards at (919)
733-9502 if you have any questions regarding this matter.
??_yy,
Wetlands/401 Unit, DWQ.
CBK/dae
cc: Wendell Overby-S&EC, 236 LePhillip Court, Suite C, Concord, NC 28025
Daryl Lamb- DWQ Winston-Salem Regional Office
File Copy
,Central Files
401 Wetlands Certification Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650 One
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604 NorthCarolina
Phone:; 919-733.1786 /FAX [phone] /Internet: http://h2o.enrstate.nc.us/ncwetlands ;Vaturally
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper
Sincerel ,
C ndi Karol
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K'fll North Carolina Wildlife Resources Commission
Charles R. Fullwood, Executive Director
MEMORANDUM
TO: John Dorney, Wetland Scientist
Wetlands/401 Water Quality Certification Unit
Division of Water Quality
FROM: 9 L t$ant, m ont Region Coordinator
Habitat Conservation Program
DATE: .22 April 2004
SUBJECT: Pre-construction Notification Application for Wakefield Associates, Burlington
Commercial Site, Alamance County, North Carolina. DWQ ID: Exp 04-0565
Biologists with the North Carolina Wildlife Resources Commission (NCWRC) have reviewed the
subject document and we are familiar with the habitat values of the area. Our comments are provided in
accordance with provisions of the Clean Water Act of 1977 (as amended), the Fish and Wildlife
Coordination Act (48 Stat. 401; as amended; 16 U.S.C. 661-667d), and the North Carolina General
Statutes (G. S. 113-131 et seq.).
The applicant proposes to impact 147 linear feet (If) of perennial stream channel, 7141f of
intermittent stream channel and 0.49 acre of wetlands for construction of retail space, roads and parking
facilities. The site is predominantly forested. The project will result in total impervious surface of
approximately 79%. The applicant proposes to construct extended detention wetlands to manage
stormwater runoff.
The project will impact unnamed tributaries to Back Creek, a tributary to Big Alamance Creek in
the Cape Fear River basin. There are records for the state special concern four-toed salamander
(Hemidactylium scutatum) in Big Alamance Creek. The state threatened creeper (Strophitus undulatus),
the state special concern notched rainbow (Yillosa constricta) and the state significantly rare Eastern
creekshell (Yillosa delumbris) have been found in Stinking Quarter Creek, another tributary to Big
Alamance Creek downstream of the project site.
We hesitate to concur with the piping of stream channels due to the potential for long-term and
cumulative impacts. Exposure of a stream channel to sunlight, air, and soil allows growth of aquatic and
riparian vegetation that can improve water quality by taking up organic and inorganic pollutants. In
addition, streams often serve as travel corridors for wildlife. Piping the channel and filling the wetlands
will alter the hydrology of the existing channel and eliminate beneficial functions. Changes in land use
from a primarily forested area to an urban or suburban landscape may exacerbate channel degradation due
Mailing Address: Division of Inland Fisheries • 1721 Mail Service Center • Raleigh, NC 27699-1721
Telephone. [phone] ext. 281 • Fax: [phone]
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Page 2
22 April 2004
Burlington Commercial
NCDWQ No. Exp 04-0565
to increased stormwater runoff. We offer the recommendations to be incorporated into the permit to
reduce impacts to aquatic and terrestrial wildlife resources.
1. We recommend that remaining wetlands and streams on the site be protected from additional
impacts by placing them in a permanent conservation easement, and by recording preserved areas
on deeds. We recommend that these areas are preserved in perpetuity via donation of the
easement to a land trust or similar entity and that property owners be informed of preservation
status.
?. In order to minimize stream impacts, while retaining some measure of wildlife habitat, we
recommend a 100-foot undisturbed, native, forested buffer along perennial streams, and a 50-foot
buffer along intermittent streams and wetlands. Maintaining undisturbed, forested buffers along
these areas will minimize impacts to fish and wildlife resources, water quality, aquatic habitat
both within and downstream of the project area, and help prevent the extirpation of endangered
and threatened species. In addition, wide riparian buffers are helpful in maintaining stability of
stream banks and for treatment of pollutants associated with urban stormwater. Whereas, a
grassed buffer, particularly fescue, is a vegetated buffer but will not provide the necessary and
highly valuable functions as discussed for forested buffers.
3. If culverts must be used, the culvert should be designed to allow passage of aquatic organisms.
Generally, this means that the culvert or pipe invert is buried at least one foot below the natural
streambed. If multiple cells are required, the second and/or third cells should be placed so that
their bottoms are at stream bankfull stage. This will allow sufficient water depth in the culvert or
pipe during normal flows to accommodate movements of aquatic organisms. If culverts are long
and sufficient slope exists, baffle systems are recommended to trap gravel and provide resting
areas for fish and other aquatic organisms. If multiple pipes or cells are used, at least one pipe or
box should be designed to remain dry during normal flows to allow for wildlife passage. In
addition, culverts or pipes should be situated so that no channel realignment or widening is
required. Widening of the stream channel at the inlet or outlet of structures usually causes a
decrease in water velocity causing sediment deposition that will require future maintenance.
Finally, riprap should not be placed on the streambed.
4. Concrete is toxic to aquatic life and should not be allowed to come in contact with surface waters
until cured.
5. The co=tuction of roadways and other impervious surfaces in new neighborhoods can produce
short-term direct impacts as well as long term cumulative effects. Multiple studies have shown
that stream degradation occurs at 10% impervious (Scheeler 1994; Arnold and Gibbons 1996;
Doll et al. 2000; Mallin et al. 2000; May and Horner 2000; Stewart et al. 2000; Paul and Meyer
2001). To adequately protect streams, it is suggested that impervious surface is limited to less
than 10% (Schueler 1994; Arnold and Gibbons 1996; Doll et al. 2000; Mallin et al. 2000; May
and Horner 2000; Stewart et al. 2000; Paul and Meyer 2001). Alternatively, provide for sufficient
open space to effectively reduce impervious surface so that predevelopment hydrographic
conditions are maintained To achieve no net change in the hydrology of the watershed, we
recommend installation of grassed swales in place of curb and gutter and on-site stormwater
management (i.e. bioretention areas). Many of these recommendations have been applied in
Maryland in efforts to protect the Chesapeake Bay from water quality degradation (MDE 2000).
Information on innovative stormwater and low impact design (LID) ideas may be obtained at
Nt-N-,tiv.lowimpactdevclopment.ora (accessed October 2003).
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Page 3
22 April 2004
Burlington Commercial
NCDWQ No. Exp 04-0565
26892£L6T6:131 ST:OI nHl b002-22-add
6. If parking lots are to be landscaped, we recommend that these be designed as bioretention areas
instead of raised islands. Additionally, we recommend that landscaping consist of non-invasive
native species and LID technology. Using native species instead of ornamentals should provide
benefits by reducing the need for fertilizers, herbicides, and pesticides and native species should
require less water. Using LID technology in landscaping will not only help maintain the
predevelopment hydrologic regime, but also enhance the aesthetic and habitat value of the site.
7. We recommend that the following measures be incorporated into the erosion and sediment
control plan (see Brown and Caraco 2000 for additional information).
a) Minimize clearing and grading and only perform these operations in the context of an overall
stream protection strategy.
b) Protect waterways by preventing clearing adjacent to waterways, and stabilize drainage ways.
c) Phase construction for larger construction sites (?25 acres) to reduce the time and area that
disturbed soils are exposed.
d) Stabilize soils as rapidly as possible (<2 weeks) by establishing a grass or mulch cover.
e) Protect steep slopes, and avoid clearing or grading existing steep slopes as much as possible.
f) Establish appropriate perimeter controls at the edge of construction sites to retain or filter
concentrated runoff from relatively short distances before it leaves the site.
g) Employ advanced settling devices that contain design features which include wet or dry
storage volume, perforated risers, better internal geometry, use of baffles, skimmers and other
outlet devices, gentler side-slopes, and multiple cell construction. The system should be
designed to protect against storm events of variable sizes, including the 100-yr storm event.
h) Utilize LID technologies in design such as the distributed control approach, where the post
development excess runoff volume is retained in discrete units throughout the site to emulate
the predevelopment hydrologic regime (Prince George's County DER 1999). Management
of both runoff volume and peak runoff rate would be included in the desigm
i) Maintain predevelopment flow rates during and after construction.
j) Implement a certified contractors program so trained and experienced contractors are on-site
and oversee installation and maintenance of BMPs.
k) Sedimentation impacts should be minimized by regular inspection of erosion control
measures, and sediment control devices should be maintained in good and effective condition
at all times. Erosion and sediment controls should be reassessed after storms. The incorrect
installation of erosion control structures and those not properly maintained can result in
sedimentation impacts to nearby streams and wetlands.
1) We encourage the applicant to utilize onsite vegetation and materials for bank stabilization, to
minimize the use of riprap (or hard stabilization methodsl and to maximize the use of native
vegetation for stabilization and shade. We request that matting along with vegetation be used
to stabilize the side slopes adjacent to wetlands to prevent soil erosion into these sensitive
areas.
Thank you for the opportunity to provide input during the planning stages for this project. If we
can be of further assistance, please contact our office at [phone].
Literature Cited:
Arnold, C. L., and C. J. Gibbons. 1996. Impervious surface coverage-the emergence of a key
environmental indicator. Journal of the American Planning Association 62:243-258.
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Page 4
22 April 2004
Burlington Commercial
NCDWQ No. Exp 04-0565
Brown, W., and D. Caraco. 2000. Muddy water in - muddy water out? Watershed Protection
Techniques 2(3):393-403.
Doll, B. A., D. E. Wise-Frederick, C. M. Buckner, S. D. Wilkerson, W. A. Harman, and R. E. Smith.
2000. Hydraulic geometry relationships for urban streams throughout the piedmont ofNorth
Carolina. Pages 299-304 in P. L Wigington, Jr. and R. L. Beschta, eds. Proceedings of the
American Water Resources Association International Conference on riparian ecology and
management in multi-land use watersheds, Portland, Oregon.
Mallin, M. A., K. E. Williams, E. C. Esham, and R. P. Lowe. 2000. Effect of human development on
bacteriological water quality in coastal watersheds. Ecological Applications 10(4):1047-1056.
May, C. W. and R. R. Horner. 2000. The cumulative impacts of watershed urbanization on stream-
riparian ecosystems. Pages 281-286 in P. J. Wigington, Jr. and R. L. Beschta, eds. Proceedings
of the American Water Resources Association International Conference on riparian ecology and
management in multi-land use watersheds, Portland, Oregon.
MDE (Maryland Department of the Environment). 2000. 2000 Maryland stormwater design manual,
volumes I and 11. Center for Watershed Protection and MDE, Water Management
Administration, Baltimore, Maryland.
http:/h,.-Nt,N; mde state and us!enviroimnent/wma/stormwatcrmanuall
Paul, M. I., and J. L. Meyer. 2001. Streams in the urban landscape. Annual Review of Ecology and
Systematics 32:333-365.
Prince George's County, Maryland. 1999. Low-impact development hydrologic analysis. Department of
Environmental Resources, Prince George's County, Maryland
Schueler, T. 1994. The importance of imperviousness. Watershed Protection Techniques. 1(3):100-
111.
Stewart, J. S., D. M. Downes, L. Wang, J. A. Wierl, and R. Bannerman. 2000. Influences of riparian
corridors on aquatic biota in agricultural watersheds. Pages 209-214 in P. J. Wigington, Jr. and
R. L. Beschta, eds. Proceedings of the American Water Resources Association International
Conference on riparian ecology and management in multi-land use watersheds, Portland, Oregon
cc: Todd Tugwell, USACOE
E-mail: Daryl Lamb, DWQ
Sarah McRae, NHP
Ryan Heise, WRC
Rob Nichols, WRC
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Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P. E. Director
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
May 3, 2004
Wakefield Associates
C/o Rick Rowe
2840 Plaza Place, Suite 105
Raleigh, NC 27612
Subject Property: Burlington Commercial
Back Creek [03-06-03, 16-19-5, C NSW (nutrient sensitive)]
APPROVAL of 401 Water Quality Certification with ADDITIONAL CONDITIONS
EXPRESS REVIEW PROGRAM
Dear Mr. Rowe:
DWQ Project No. 04-0565
Alamance County
Page 1 of 3
You have our approval, in accordance with the attached conditions,and those listed below, to place fill within or
otherwise impact 0.47 acres of wetlands, 747 linear feet of streams and 0.02 acres of isolated wetlands for the
purpose of commercial development at the subject property, as described within your application dated April
12, 2004 and additional information that has been sent on April 16, 2004, April 29, 2004,and April 30, 2004.
After reviewing your application, we have decided that the impacts are covered by the N.C. Division of Water
Quality (DWQ) General Water Quality Certification Number 3402 (GC3402). The Certification allows you to
use Nationwide Permit 39 when issued by the US Army Corps of Engineers (USACE). In addition, you should
obtain' or otherwise comply with any other required federal, state or local permits before you go ahead with
your project including (but not limited to) Erosion and Sediment Control and Non-discharge regulations. Also,
this approval will expire when the accompanying 404 permit expires unless otherwise specified in the General
Certification.'
This approval is only valid for the purpose and design that you described in your application. If you change
your project, you must notify us and you may be required to send us a new application. If the property is sold,
the new owner must be given a copy of this Certification and approval letter and is thereby responsible for
complying with all conditions. If total fills for this project (now or in the future) exceed one acre of wetland or
150 linear feet of stream, compensatory mitigation may be required as described in 15A NCAC 2H .0506 (h).
For this approval to be valid, you must follow the conditions listed in the attached certification and any
additional conditions listed below.
Conditions:
1. Erosion and sediment control practices must be in full compliance with all specifications governing the
proper design, installation and operation and maintenance of such Best Management Practices in order
to protect surface waters standards:
a. The erosion and sediment control measures for the project must be designed, installed, operated,
and maintained in accordance with the most recent version of the North Carolina Sediment and
Erosion Control Planning and Design Manual.
North Carolina Division of Water Quality, WETLANDS / 401 UNIT
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
Wakefield Associates
Page 2 of 3
513/04
b. The design, installation, operation, and maintenance of the Sediment and ejOSg\ CQ%g measures
must be such that they equal, or exceed, the requirements specified in the most recent version of
the North Carolina Sediment and Erosion Control Manual. The devices shall be maintained on all
construction sites, borrow sites, and waste pile (spoil) projects, including contractor-owned or
leased borrow pits associated with the project.
c. If this project requires borrow pit sites, the erosion and sediment control measures must be
designed, installed, operated, and maintained in accordance with the most recent version of the
North Carolina Surface Mining Manual.
d. Any reclamation measures and implementation must comply with the reclamation in accordance
with the requirements of the Sedimentation Pollution Control Act.
2. No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond the
footprint of the impacts depicted in the Preconstruction Notice Application. All construction activities,
including the design, installation, operation, and maintenance of sediment and erosion control Best
Management Practices, shall be performed so that no violations of state water quality standards, statutes,
or rules occur.
3. Deed notifications or similar mechanisms shall be placed on all retained jurisdictional wetlands, waters
and protective buffers in order to assure compliance for future wetland, water and buffer impact. These
mechanisms shall be put in place prior to impacting any wetlands, waters and/or buffers approved for
impact under this Certification Approval and Authorization Certificate.
4. The final, written stormwater management plans (including a signed and notarized Operation and
Maintenance Agreement) dated April 12, 2004 and April 16,'2004, must be implemented and the
stormwater management facilities shall be constructed and operational before any permanent building
is occupied at the subject site. The structural stormwater practices as approved by this Office as well as
drainage patterns must be maintained in perpetuity. No changes to the structural stormwater practices
shall be made without written authorization from the Division of Water Quality.
Stormwater discharges to the remaining wetlands at the site labeled "Undisturbed Wetlands" (flag #
01A - # 01 B) shown on the Overall Site Plan shall be modified to ensure that sufficient hydrology is
provided at non-erosive velocities to the uppermost end of the wetland in order to maintain its
hydrology. This change must be shown on the final stormwater plan.
5. During the construction of the project, staging of equipment of any kind is not permitted in waters of the
State, or protected riparian buffers..
6. Any riprap used must not interfere with aquatic life passage during low flow conditions.
7. If concrete is used, work must be accomplished so the wet concrete does not contact the stream water.
This will lessen the chance of altering the stream's water chemistry and causing a fish kill.
8. Heavy equipment must be operated from the banks rather than in the stream channel in order to
minimize sedimentation and reduce the likelihood of introducing other pollutants into the stream.
9. The presence of equipment in the channels must be minimized. Under no circumstances must rock,
sand or other materials be dredged from the wetted stream channel under this authorization, except in
the immediate vicinity of the culverts.
10. All mechanized equipment operated near surface waters must be regularly inspected and maintained to
prevent contamination of stream waters from fuels, lubricants, hydraulic fluids, or other toxic materials.
11. The applicant and/or authorized agent shall contact the DWQ Express Review Program in writing at the
letterhead address within 10 days of the commencement of construction.
Wakefield Associates
Page 3 of 3
5/3/04
12.; Upon completion of all work approved within the 401 Water Quality Certification or applicable Buffer
Rules and any subsequent modifications, the applicant is required to return the attached certificate of
completion to the 401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center,
Raleigh, NC, 27699- 1650.
Violations of any condition herein set forth may result in revocation of this Certification and may result in
criminal and/or civil penalties. This Certification shall become null and void unless the above conditions are
made conditions of the Federal 404 and/or coastal Area Management Act Permit. This Certification shall
expire upon,expiration of the 404 or CAMA permit.
If you do not accept any of the conditions of this Certification (associated with the approved wetland or stream
impacts), you may ask for an adjudicatory hearing. You must act within 60 days of the date that you receive
this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of the North Carolina
General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center, Raleigh, N.C. 27699-
6714. This certification and its conditions are final and binding unless you ask for a hearing.
This letter completes the review of the Division of Water Quality under Section 401 of the Clean Water Act. If
you have any questions, please telephone John Dorney at 919-733-9646 or Debbie Edwards at 919-733-
9502.!
Sincerely,
Attachments: Certificate of Completion
GC 3402
Cc: Wendell Overby-S&EC, 236 LePhillip Court, Suite C, Concord, NC, 28025
USACE Raleigh Regulatory Field Office
DWQ Winston-Salem Regional Office
DLR Winston-Salem Regional Office
File Copy
Central Files
Jeremy Beckett; John McAdams Company, Inc., PO Box 14005, RTP, NC 27709
DWQ # 04-0565
SENDING CONFIRMATION
DATE : MAY-3-2004 MON 12:03
NAME DWQ-WETLANDS
TEL [phone]
PHONE' : 87047209406
PAGES : 4/4
START TIME : MAY-03 12:01
ELAPSED TIME : 01'31"
MODE : ECM
RESULTS : OK
FIRST PAGE OF RECENT DOCUMENT TRANSMITTED...
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1)IVi.iw M Wabr Qnairy
EXPRESS PERMIT REVIEW PROGRAM
Division of Water Quality
Department of Environmental and Natural Resources
Wetlands/401 Unit
Street Address: 2321 OabtICc Boulevard, Suite 250
Raleigh, NC 27604-2260
Mailing Address: 1650 Mail Service Center
Raleigh, NC 27699-16-50
Contact tufornntion: Phone M: 919-733-0203
Fax N: 9t9-733-6893
Fax To- hick Rowe Fax #: [phone]
Wendell Overby 704-720-9406
Subject: Burlington Commercial Site Date: 511/04
Number of pages including cover sheet: 4
Notes or special instructions:
The ofi ginal and Attachments will be sent in the mail. Ir you have questions please tail Ikbbie Edw ants at
919-733-9502.
N C, [w ma w- (TuMr, Wt wdl G f- Mit
1650 Ma19x.iccCary- k.ld?. rc 2166v-)(.50 (MU\ neam)
2']I Gtaho! Ylei. R-ah. w 1'14M-]260 (Incar )
(9l%13}Irre (rice.). 919.73}6893 (Ia?1.IMp'lN>an.Nrc.xdswcfb•dr
01
',, d r-
54- -i
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
EXPRESS PERMIT REVIEW PROGRAM
Division of Water Quality
Department of Environmental and Natural Resources
Wetlands/401 Unit
Street Address: 2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604-2260
Mailing Address: 1650 Mail Service Center
Raleigh, NC 27699-1650
Contact Information: Phone #: [phone]
Fax #: [phone]
Fax To: Rick Rowe Fax #: [phone]
Wendell Overby 704-720-9406
Subject: ; Burlington Commercial Site Date: 5/1/04
Number of pages including cover sheet: 4
Notes or special instructions:
The original and Attachments will be sent in the mail. If you have questions please call Debbie Edwards at
919-733-9502.
N. C. Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
[phone] (phone), 919-733-6893 (fax), (http://h2o.enr.state.nc.us/ncwetlands
L TI-ffi JOHN R McADAMS COMPANY, INC.
LETTER OF TRANSMITTAL
To: Deborah Edwards
North Carolina Division of Water Quality
Express Review Program
2321 Crabtree Boulevard
Raleigh, North Carolina 27604
Re: Burlington Commercial
DWG Proiect No. 04-0565
am sending you the following item(s):
[phone]
COPIES DATE NO. DESCRIPTION
7 Location #1 11x17
These are transmitted as checked below:
? As requested ? For your use
® For approval ?
? For review and comment ?
Remarks: Per Wendell Overby with S&EC, attached are copies of the revised Location #1 (11x17) based
on your comments to the plans submitted on April 15, 2004. Please feel free to call if you should have
any questions.
Copy to: M. Munn Signed: _
FOR INTERNAL USE ONLY
? Copy Letter of Transmittal Only to File
® Copy Entire Document to File
Date: April 15, 2004
** FEDERAL EXPRESS **
Job No.: ARC-03010
P. E.
WETLANDS / 401 GROUP
APR 3 0 2004
CIVIL ENGINEERING • LAND PLANNING • SURVEYING
PO Box 14005 • Research Triangle Park, NC 27709 • [phone] • fax (9ALITYSECTION
www.johnrrncadams.corn
64/29/2004 10:20 7047209406
S AND EC
Soil & Environmental
236 LePhil]ip Court. Suite C - Concord, North Camlina 28025
wwW.SandEC.cnm
FACSIMILE SHEET
FAX NO. [phone]
PAGE 01
Consultants, PA.
Phonc: [phone] - Fax: [phone]
DATE: 4/29/04 Project Number: 5-1282w0
TO: Name: Debbie Edwards CC: Andrea Wade
Company: NC DWQ USACE
Fax Number: [phone] 919 876-5823
FROM: Wendell Overby SUBJECT: Burlington Commercial Express Review
The following items arc being faxed. Number of pages including transmittal. sheet: 2
For Your Comments/Approval x For Your Information
x Per Our Conversation Per Your Request
Please Advise Please Call
Would Like To Discuss Please Handle
HARD COPY SENT:
US Regular Mail Hand Delivery
Overnight x No Hard Copy Sent
REMARKS: Debbie: The engineer has sent me a revised pdf file of the location 1 map. It looks
as though the kinks have been worked out. They are going to express mail the map to you Here
is the revised page of the PCN.
Wendell
APR % g 2004
IF YOU HAVE ANY QUESTIONS OR PROBLEMS WITH THIS TRANSMIS$ QNUly SECTO;
PLEASE CONTACT Wendcll AT (704) 7209405. \N PIA
*CONFIDENTIALITY NOTICE*
This transmission is intended only for the use ofthe individual or entity to which it is addressed and may contain information
that is privileged and cvnfidential_ If the reader of this message is not the intended recipient, you are hereby notified that any
disclosure, distribution or copying of this information is strictly prohibited. If you have received this transmission in error.
please notify us immediately by telephone and return the faxed documents to u0- at the above address via the [United States
Postal Service.
Greensboro (2flice: HicLoo UAM Office: Raleigh Office
3817-E Lawndaic Drive 622 Coon Mountain Lane 11010 Raven Ridge Road
Greensboro, NC 27455 Taylomville, NC 28681 Raleigh, NC 2761.4
Phone: [phone] Phone: (828)6,35-5820 Phone [phone]
Fax; (336) 54()-8235 Fax: [phone] Fax: [phone]
APR-29-2004 THU 10:00 TEL:[phone] NAME:DWO-WETLANDS P. 1
4129/2004 10:20 7047209406 S AND EC PAGE 02
1. Provide a written description of the proposed impacts: 747 If of stream channel
proposed for impact. Of which 1471f determined mitigatable by the U$ACE and DW_ _O_ .. Wetland
impacts proposed for 0.47 acres along with .02 acres of isolated wetlands.
2. Individually list wetland impacts below:
Wetland Impact
Site Number
(indicate on ma
Tape of Impact* Area of
Impact
acres Located within
100 year Floodplain**
echo Distance to
Nearest Stream
(linear feet)
Type of Wetland***
Location 141 Fill .0026 No 0 Headwater
Location 1-44 Fill 0078 No 0 Linear
Location 147 Fill .008 No 0 Linear
Location 148 Fill .009 No 0 Linear
Location 241 Fill .002 No 0 Linear
Location 3-41 Fill 31 No 30' Headwater
Location 342 Fill .083 No 420' 1-leadwater
Location 343 Fill .023 No 650' Isolated
List each impact scpazatcly and identify temporary impacts Impacts include, but arc tot limited to: mechanized clearing, grading, rill,
excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding.
** 100-Year floodplains arc identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps
(FIRM), or F EMA.-appt'oved local floodplain maps. Maps are available through the FEMA Map Service Ccntcr at 1-800-358-9616, or
online at http://www.fema.gov.
'*• List a wetland 4Te that best describes wetland to be impacted (e.g., freshwater/saltwater marsh. forestcd wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is i,Rolated (determination of isolation to be made by USAGE only).
List the total acreage (estimated) of all existing wetlands on the property. 1.75ac
Total area of wetland impact proposed: .47 and .02 is lated
3. Individually list all intermittent and perennial stream impacts below:
Stream Impact
Site Number
(indicate on ma
Type of Impact* Length of
Impact
ear feet
Stream Name** Average Width
of Stream
Beforc Impact Perennial or
Intermittent.?
leasespecify)
Location 142 Pipe 53 UT to Back Creek 2' Perennial
Location 143 Pipe 202 UT to Hack Creek 2' Intermittent
Location 145 Pipe 94 UT to Back Creek 5' Perennial.
Location 1-46 pipe 243 UT to Back Creek 2.5' Intermittent
Location 242 Pipe 155 UT to Back Creek 2' Intermittent
List cacti impact separately and identify temporary impacts. hnpacts include, but are not Limited to: culverts and associated rip-rap,
dams (separately list impacts due to both structure and flooding), relocation (include Linear fcct before and after, and net loss/gain),
stabilization activities (current wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, cic. If stream relocation is
proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included
Stream names can be found on USGS topographic maps. If a stream has no name, list as U.I (unnamcd tributary) to the nearest
downstream named streatm into which it flows. USCS maps are available through the USCS at 1-800-358-9616. or online at
www,us&s.e.Z Several internet sites also allow direct download and printing of USCS maps (e.g., www.towmne.coro.
www.mavaucst,coi ctc.).
Cumulative impacts (linear distance in feet) to all streams on site: 747
Page 8 of 12
APR-29-2004 THU 10:00 TEL:[phone] NAME:DWQ-WETLANDS P. 2
FLAG #60B
\ ??\\ \\\\\\ \?\ \
- / 1 IMPAC ( / \ \ \ \\ \ \ \
IMPACTED (202LFFROM FLAG ` \ \ \ \ \ \ \ \ \ \? _ \
I #502-#511) PROPOSED STORM _ \ \ \ \
DRAINAGE (TYP.) IMPACT #7 1-? \ \ \ \
/ . ' IMPACTED LINEAR WET NOS \ \? \
I \ IMPACT #5 ?VL \ (353 SF FRO FLA \ \ \ \
\ IMPACTED IMPORTANT CHANNEL #287-#608) \ \ \ \
(94 LF FRg1 fCAG #280-#284) \ (o \ \ \ \ \
P OSED ATER \
I \ LIN (TY?.) \ 6
PROPOSED \ \
/ BUILDING
/ (TYP.)
PROPOSED CU
/ AND GUTTER ( P?- \ \ Q \
FLA 4B
I FLAG #2 7
I \ \ \ IMPAC DBLINEAR WETUNDS
n USACE IMPORTANCE (388 S FROM FLAG \
m I _ - - - POINT (FLAG V28 _ cP #42B 52B)
o I / 6 / #42B
LAG 28
SALE IMPO TANCE ?1MPACT #6 A 30 NIT ?f S WER-EASEME
m DINT (FLAG #502) IMPACTE L ' -? DB PG 94
Q 642 I FLAG #282 (243 LF FROM G
S / S° ?J k SS SS S S 5S - - S
Cl)
1 PAFT #2 FLA-#780
v I CTED IMPORTANT CHANN L _ _ / - \ \
N (5 FROM FLAG
N 0- 2y / --- - I I /
PROP ED SAM NY -
FLAG #500 f I \ I / / \SEWER (TYy \
i TR BUFFER /IMP CT #4 / \ \
( P. IM CTED NEAR W NDS \ \ _
(f3 4 SF?F \ \
PA
#Ag 1 I i I
/ I / I I # 82 ? 82A) \
WETLANDS
11 E Fl FROM
/ #20 #78A) ??? ?? ?? I I I \ \\
PROPOSED
i
i
i
BUILDING
(TYP.)
WETLANDS 1401 GROUP
IMPACTED CHANNEL
APR 3 0 2004 p p M p p IMPACTED LINEAR
WETLANDS
WATERQUALITY -SECThi.,i GRAPHIC SCALE
NOTE: FLAG #'S REPRESENT 40 0 20 40 80
SURVEYED WETLAND/SIRE-Am
LOCATIONS. 1 inch = 40 ft.
- / FLAG #606
-?^ \ \ \\ ?\ \ \\ \ \\\\ \
IMPAAC #3 \ \ \ \
IMPACTED CHANNEL \ \ \ \ \
/ (202 LF FROM FLAG \ \ \ \ \ \\ _ _
I #502-#511) \ \ \
PROPOSED STORM \\??
DRAINAGE (TYP.) IMPACT #7 \ \ \ \ \
IMPACTED LIl`?R WET NDS \ \
\ IMPACT #5 i f 0? \ (353 SF FRO FLA \ \ \
I \ IMPACTED IMPORTANT' CHANNEL a #287-#60B)
\ \ \
(94 LF FRgM <AG #280-#284) 0 \ \ \
0 P OSED ATER \
I \ ? LI
PROPOSED \ \
BUILDING
(TYP.)
I \ `I
PROPOSED CU
AND GUTTER ( P?- \ \ \
FLA 4B
I FLAG #2 7
- Q IMPAC DBLINEAR WETLANDS
USACE IMPORTANCE (388 S? FROM FLAG
I - - POINT (FLAG #28 cP / J #42B-#52B)
#42B /
LAG 28
Y Q
4SACE IMPO TANCE ?tMPACT #6 -30 NtT S ER'fMEN
m POINT (FLAG #502) IMPACTE9 L DB 2 PG 94
64 A/
FLAG #282 (243 LP FROM G
2 ? i ? -g•?_#? - - - -
vi s S T SS SS - S S S5 -- S
CY)
1 PAPT #2 FLAB#280
v I CTED IMPORTANT CHANNEL'. / - \ \
°o (5 FROM FLAG
N 0- 2y / --- - I I / , -
a PROP ED SAN] RY
FLAG #500 \SEWER (TYy \ \
TRP BUFFER \ 1 / / IMP CT #4
IM CTED NEAR W NDS \ \
4 SF//F
PA
/ /# 82 -?82A) \ \ \
P E9 WETLANDS I / l
11 FI FROM FLA I f I ' l \ \
/ #2 0 78A)
/ I 1 I , l lI l l / I I - \ \ , WETLANDS 1401 GROUT
c PROPOSED
i
0
IMPACT TYPE FT2 Ff2 LINEAR Ff. LINEAR Ff.
(CH AND JW) (IW) (CH ONLY) (CHI ONLY)
1 JW 117 - - -
2 CH' 106 - - 53
3 CH 404 - 202 -
4 JW 344 - - -
5 CH' 470 - - 94
6 CH 608 - 243 -
7 JW 353 - - -
B JW 388 - - -
TOTAL 2,790 FT 2 - 445 Ff 147 Ff
(0.06 AC)
(CH - CHANNEL: CW = IMPORTANT CHANNEL;
JW - JURISDICTIONAL WETLANDS; IW - ISOLATED WETLANDS)
BUILDING APR u v 2Q. r
(TYP.)
WATER QUALi1y' E r :
IMPACTED CHANNEL
p p E3p p IMPACTED LINEAR
WETLANDS
GRAPHIC SCALE
NOTE: FLAG #'S REPRESENT 40 D 20 40 80
LOCATION #1 LOCATIONS. D WETLAND/STREAM
1 inch = 40 ft.
FLAG #60B
\ \ ???\\\\ \\?? \ \\? \
/ IMPAC #? / \ \ \ \ \ \ \\? \
J f IMPACTED CHANNEL
/ I \ (202 LF1 FROM FLAG \ \ \ \ \ \ \? _ -
I #502#5) PROPOSED STORM
DRAINAGE (TYP.) IMPACT #7 \ \ \ \ \
IMPACTED LINEAR WET NDS \ \ \
I \ IMPACT #5 i ?a \
(353 SF FROI>d FLA \ \
\ IMPACTED IMPORTANT" CHANNEL 1 \ \
a #287-#608)
\ \ \ \
(94 LF FRgM f(AG #280-#284)
P OSED ATER \
I \ LIN (TYQ.)
PROPOSED \ \
BUILDING / \ 6? \
(TYP.) d)
PROPOSED CU
/ AND GUTTER ( P. - \ \ ? \
FLA 4B
I FLAG #2 7
I ? __ ? S \ PC?#8
IMPAC D LINEAR WET?ONDS
I - . _ - - U`zACE?MPORTANCE / T (388 S? FROM FLAG \
m POINT (FCA628 _ ' cP #428-#52B)
o I / / #426
LAG 2B
Y SACE IMPO TANCE ' PACT #6 30 NIT 9ER MEN
u
DINT (FLAGI #502) / IMPACTEg L ' DB 2 PG 94 E
42 FLAG #282 r A (243 L FROM G
S / S ?SSI SS SS _ S S SS - - S
Cl)
1 PAp #2 FLA 80
v I CTED IMPORTANT CHANN
°o (5 FROM FLAG - / -? \ -'c
N D- 2y --- _ 1 / , -
PROP ED SANI RY -
FLAG #500 / I / / \SEWER (TY") \
TR BUFFER /IMP T #4
NEAR W NDS \
( P. r1IT, I CTEDI
/ PA #d T ! I I / / 4 SFF \ \
P Eq WETLANDS I/ l I ! I l I# 82 -?62A) \
11 fl FROM F I ? ` \
0 78A)
PROPOSED
MPACT TYPE FT2 FTI LINEAR FT. LINEAR FT.
(CH AND JW) (IW) (CH ONLY) (CH' ONLY)
1 JW 117 - - -
2 CH* 106 - - 53
3 CH 404 - 202 -
4 JW 344 - - -
5 CH' 470 - - 94
6 CH 608 - 243 -
7 JW 353 - - -
8 JW 388 - - -
TOTAL 2,790 FT Y - 445 FT 147 FT
(0.06 AC)
(CH = CHANNEL; CW' - IMPORTANT CHANNEL;
JW - JURISDICTIONAL WETLANDS; 6Y - ISOLATED WETLANDS)
BUILDING
(TYP.)
IMPACTED CHANNEL
{3 p L3 p p IMPACTED LINEAR
WETLANDS
GRAPHIC SCALE
n NOTE: FLAG #'S REPRESENT 40 D 20 40 eD
SURVEYED WETLAND/STREAM
LOCATION #1 LOCATIONS. 1 inch = 40
ft.
\ \??\\ \ \\ \ \\\\ \?`?
FLAG #60B
^F ^\ \ \ \\ \ \ \\ \\? \
1 IMPAC #? / \ \ \ \\ \ \
I (IMPACTED CHANNEL , ' \ \ \ \ \ \
/ (202 LF FROM FLAG \ \ \ \ \ \\ _ _
I I #502-#511) \ \ \
PROPOSED STORM
DRAINAGE (TYP.) IMPACT #7 \ \ \ \ ?'CI `
. ' IMPACTED LIt'EAR WET NDS \ \?
I \ IMPACT #5 / a a (353 SF FROtp FLA \ \
\ IMPACTED IMPORTAWT' CHANNEL l \
#287-#606)
(94 LF FRS<AG #280-#284) 0 \ \ \ \
P OSED ATER \ Lill Tyl?-)
PROPOSED
I BUILDING /
/ (TYP.)
PROPOSED CU
AND GUTTER ( P?- \
FLA 4B
I FLAG #2 7
I \ \ DB
IMPAC LINEAR WETUNDS
- - - - USACE IMPORTANCE (388 S? FROM FLAG
n I POINT (FLAG #228 CID / #42B-#52B) \
#42B
LAG 28
SACE IMPO TANCE PACT 6 z
m DINT (FLAGI #502) / 243CTL?FROM LG pg NIT PG ER EASEME
Q 42 FLAG #282 i A_#- - - -
s s? ,asp ss ss S s ss - s
I PA,T #2 FLAG-V80
I CTED IMPORTANT CHANN
N (5 FROM FLAG
N O- 2y --- _ ,
PROP ED SANI RY
FLAG m #500
\SEWER (TYy \ \
3
FL TR BUFFER /IMP CT 4
P. 71 (/3 4CS ?F NEAR W NDS \ \ -
o
Cl) ) 1PA EFl WETLANDS I / I I / I I# 82 62A) \1 \ \
L
s / #20 78AFROM ) ?7??
r ? f ? . l /I / I _ "ETLANOSi
401 GRQUR
PROPOSED
c
m
a?
3
c
N
J
O
O
Cl)
0
U
o!
g
U
s
U
0
BUILDING APR 3
(TYP.) CJ 2004
IMPACTED CHANNEL Vrn ' I 6LL)1uly,
p p p p E3 IMPACTED LINEAR
WETLANDS
GRAPHIC SCALE
NOTE: FLAG #'S REPRESENT ao o zo ao eo
SURVEYED WETLAND/STREAM
LOCATION # 1
a LOCATIONS. I inch = 40 ft.
\ - / FLAG #60B \ \ ?\ \ \\ \ \\\\ \ ?`\ \
\ -\ \ \
IMPAC ' \ \ \ \\ \ \
' f IMPACTED CHANNEL , ' \ \ \
(202 LF1ROM FbG \ \ \ \ \ \ \\ _ _
I #502#5) PROPOSED STORM \ \ \ (?\
DRAINAGE (TYP.) IMPACT #7 \ \ \ \ \ ?'C/ \
. ' IMPACTED LII`AR WET?NDS \ \\
I \ IMPACT #5 (353 SF FRO FLA \ \ \ \ \
\ IMPACTED IMPORTANT' CHANNEL a #281-#60B) ? \ \ \ \
(94 LF FRS -FLAG #280-#284) 0 \ \ \ \
P OSED ATER \
I LI (TY?.) \ 6
PROPOSED \ \
BUILDING
/ (TYP.)
PROPOSED CU
AND GUTTER ( P. - \ \
I FLA 48
FLAG #2 7
I \ \ IMPACT DBLINEAR WETUNDS
USACE_IMPORTANCE / i - (388 S? FROM FLAG \
I _ - POINT (FLAG 428 #42B-#52B)
#42B
LAG 2B
SACE IMPO TANCE ' ?lMPACT #6 A 30 NtT f S 4ER-EASEMEN
m DINT (FLAG #502) / IMPACT Eg L DB 2 PG 94
< 642 I FLAG #282 r; A (243 LT FROM G
N 6 s/ s ssl ss ss s s ss -- s
Cl)
o I PAFT #2 FLAB #280
v I CTED IMPORTANT CHANN
C) (5 FROM FLAG ' \ \ c
N 0- 2y PROP ED SANI RY\ ?A iVI)S?QOa r
FLAG #500 \SEWER (TY\* ? ?'Up
Z
FL TR BU
FFER / /IMP CT 4 / \ \ ( pF :? ZO
4CSFIF NEAR W DS \ \ _ WgrF?A 04
o PA # B2- 82A) \ jr?} ?S?CT?(jir
Cl) / P E WETLANDS I / I / \
g #? 0 FARO M F
E I ?. ,?l ?l I v v
a
PROPOSED
C
Cu
IMPACT TYPE FT2 Fr2
(CH AND JW) (IW) LINEAR FT.
(CH ONLY) LINEAR FT.
(CHI ONLY)
1 Jw 117 - - -
2 CHI 106 - - 53
3 CH 404 - 202 -
4 JW 344 - - -
5 CHI 470 - - 94
6 CH 608 - 243 -
7 Jw 353 - - -
8 Jw 388 - - -
TOTAL 2,790 FT 2 - 445 FT 147 FT
(0.06 AC)
(CH = CHANNEL. CW' - IMPORTANT CHANNEL;
JN - JURISDICTIONAL WETLANDS; IW - ISOLATED WETLANDS)
BUILDING
(TYP.)
I, IMPACTED CHANNEL
E3 E3 p p E3 IMPACTED LINEAR
WETLANDS
GRAPHIC SCALE
NOTE: FLAG #'S REPRESENT 41 0 20 40 0
SURVEYED WETLAND/STREAM
LOCATION # 1 LOCATIONS. ` ° o I inch 40 ft.
FLAG #606 \ \ \ \\ \
\\ \
IMPAAC #? \ \ \ \ \ \
' f IMPACTED CHANNEL , ' \ \ \ \
/ (202 LF FROM FLAG ` \ \ \ \ \ \ \\ _ _
I #502-#511) PROPOSED STORM \ \ \ \
` DRAINAGE (TYP.) IMPACT #7 \ \ \ \ \ \?
I . '
IMPACT #5 IMPACTED LIt`EAR WET NDS \ \ \ \
\ i a \
(353 SF
o ?.. 287# FROG{ fLA \ \ \
\ IMPACTED IMPORTANT' CHANNEL #
? 28
a #-#60B) } \ \ \ \
(94 LF fRgM f(AG #280-#284)
0 P OSED ATER \
I \ LI (TYI-.) \ ?6
PROPOSED \ \
/ BUILDING
(TYP.)
PROPOSED CU
AND GUTTER ( P. - \
FLA 48
I FLAG #2 7
I ? -- \ ?S \ PCT#8
IMPACT D LINEAR WETUNDS
USACJ MPORTANCE FLAG
I - - - - POINT (FLAG f"28 _ cP / J #42B-#52B) \
01 / #42B /
LAG 2B
SACS IMPO TANCE MPACT #6 30 NtT WER-FAS-EME
DINT (FLAG #502) / IMPACTS L . ' DB PG 94
642 I FLAG #282 i• ?Q (243 LFROM G
SS/ S° SS SS S S \ S5 - - ?S
I PA FT #2 FIAT #780
I CTED IMPORTANT CHANN
(5 FROM FLAG
0- 2y PROP ED SANI RY -
FLAG #500 l / I / / / \SEWER (TYy
TR BUFFER P. T #4 / \ \
( P' IM CTED NEAR W DS
A \ \ _
(f3 4 SF//F
E \ \
9 WETLANDS # 82 -?82A) \
/ 11Fl FROM F
/ #20 #78A) ??4y I /? ?? I / l J \ ?\
a 1 ?, ,?l lI I (-
PROPOSED
IMPACT TYPE FT2 Ff2 LINEAR FT. LINEAR Ff.
(CH AND JW) (IW) (CH ONLY) (CH' ONLY)
1 JW 117 - - -
2 CH* 106 - - 53
3 CH 404 - 202 -
4 JW 344 - - -
5 CH' 470 - - 94
6 CH 608 - 243 -
7 JW 353 - - -
8 JW 388 - - -
TOTAL 2.790 FT 2 - 445 FT 147 Ff
(0.06 AC)
(CH = CHANNEL. CW = IMPORTAN T CHANNEL;
JW - JURISDICTIONAL WETLANDS; IW - ISOLATED WETLANDS)
BUILDING
(TYP.)
L'? IMPACTED CHANNEL
E3[3[313[3 IMPACTED LINEAR
WETLANDS
GRAPHIC SCALE
80
NOTE: FLAG #'S REPRESENT ao o zo ao
L?CATI?I? # 1 SURVEYED WETLAND/STREAM I o 0
LOCATIONS. 1 inch = 40 ft.
WETLANDS 1401 GROUP
APR ? f 2004
4>tf u r'tJ SECTION
FLAG #608 ? \ ` \ \\ ? ?? ? \\ \ \\\\ ? \ ?`l \
?F ^\ \ \\ \\ \ \ \\ \\ \?\
IMPAC ( \ \ \ \ \
IMPACTED 202 LF FROM FLAG ' ' ` \ \ \ \ \ \ \ \ \ \\ _ \
I #502-#511) PROPOSED STORM \ \ \ \ \
DRAINAGE (TYP.) IMPACT #7 \ \ \ \ \?
IMPACTED LII`6R WET NDS \ \ \
I \ IMPACT #5 i ?a \ (353 SF FROFLA \ \ \
\ IMPACTED IMPORTANT' CHANNEL ` \ \
(94 LF FRg1 <AG #280-#284) #287-#60B) \ \ \ \ \
P OSED ATER \
I LI (TY,?.) \
6
PROPOSED \ \
1 BUILDING i ,
(TYP.) / \ \ \
PROPOSED CU
AND GUTTER ( P?- \ FLAB 4B \ \ WETLANDS/ 401
GROUP
I FLAG #2 7 MR, I ¢ A IMPACT DBLINEAR WETLANDS APR 3 6 2004
tfSPOINTACEIMPPO O28RTANCE CQ / y (38 8 S FROM FLAG \
n I j / _ J - 52
"' - - - -
I (FLAG #42B # ) WAT?f7
? rn
tE I / ' LA 5-2-B
x ?SACE IMPO TANCEIMPACT #6 A 30 NIT S 4ER'EASEMEN
m DINT (FLAGI #502) IMPACTE4 L DB 2 PG 94
42 FLAG #282 (243 L FROM G
n (? -#
N U SS? S° SS SS _ S S SS - - S
cr)
I PAFT #2 FLA-*G-#180
I CTED IMP(IRTANT CHANN L _ _ / - \ \
Co (5 FROM FLAG
0- 2y --- - I ( / , -
N 11
Q 7 , PROP ED SAN[ RY
FLAG #500 I I \ I / / \SEWER (TYy \ \
TRP BUFFER \ } /IMP CT #4
( I I IMM CTED NEAR W NDS \ \
4 SF/F
PA #,r I
/ I I # 82 -?82A) \ \ \
P E9 WETLANDS I / I I
/ 11 fl FROM FLAG
#2 0 78A)
PROPOSED
i
i
a
k
a
IMPACT TYPE Fr2 FT2 LINEAR FT. LINEAR FT.
(CH AND JW) (IW) (CH ONLY) (CHI ONLY)
1 JW 117 - - -
2 CH* 106 - - 53
3 CH 404 - 202 -
4 JW 344 - - -
5 CH' 470 - - 94
6 CH 608 - 243 -
7 JW 353 - - -
8 JW 388 - - -
TOTAL 2.790 FT 2 - 445 FT 147 FT
(0.06 AC)
(CH = CHANNEL CW- - IMPORTAN T CHANNEL;
JW - JURISDICTIONAL WETLANDS; IW - ISOLATED WETLANDS)
BUILDING
(TYP.)
IMPACTED CHANNEL
p E3 E3 Q E3 IMPACTED LINEAR
WETLANDS
GRAPHIC SCALE
NOTE: FLAG #'S REPRESENT 40 0 20 40 80
SURVEYED WETLAND/STREAM
LOCATION # 1 LOCATIONS. I inch = 40 ft.
SENDING CONFIRMATION
DATE MAY-3-2004 MON 09:34
NAME . DWQ-WETLANDS
TEL [phone]
PHONE : [phone]
PAGES : 0/4
START TIME : MAY-03 09:33
ELAPSED TIME : 00J 00"
MODE : ECM
RESULTS : NO ANSWER
FIRST PAGE OF RECENT DOCUMENT FAILED TO SEND FULLY...
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EXPRESS PERMIT REVIEW PROGRAM
DivLdon of Water Quality
Department of Environmental and Natural Resources
'Wetlands/401 Unit
Street Address: 321 Cmbtnx Boulevard. Suite 350
Raleigh, NC 27604-2260
Mailing Address: 1650mai1 Service Center
Raleigh, NC 37699-1650
ContactTaformaNun: Phone #-. 919-733-0203
Fax M 919-733-6893
Fax To: Rick Rowe Fax #: [phone]
Wendell Overby 704-720-9406
Subject: Burlington Commercial Site Date: 5/1/04
Number of pages including cover sheet: 4
Totes or special instructions:
The original and Attachments will be sent in the mail. 11 you have quevions please call Debbie Edwards ax
919-733-9502.
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£689££L6T6 Iml
SQNV'IMM-6MQ : SKVN
TT:60 NOW 'VoOZ-£-REIN : BSKQ
MIMED ONIMS
R ' Since 1979
THE JOHN R. McADAMS COMPANY, INC.
WETLANDS 14p i
April 15, 2004
APR Y 6 2004
Deborah Edwards yVVAIER
QUALITY
'
North Carolina Division of Water Quality
Sit: l r
Ut?
Wetlands/401 Unit
2321 Crabtree Boulevard
Raleigh, North Carolina 27604-2260
Re: Burlington Commercial
Wetlands Impacts/Constructed Wetlands Plans
DWQ Project No. 04-0565
ARC-03010
Dear Ms. Edwards:
Please find below, a summary of responses to plan review comments received
for the above referenced project.
1. An Existing Conditions (pre-construction) plan has been provided with
this re-submittal showing all requested features (sheet S-1).
2. A Site Plan has been provided showing all the requested proposed
conditions, as well as the requested existing conditions (sheet S-2).
3. The pipe information for the pipes entering and exiting the constructed
wetlands have been provided on sheets PD-1, PD-2 and PD-3 as
discussed with Ms. Cynthia Van Der Wiele. The calculations for these
pipes have been included with this re-submittal as an addendum to the
"Preliminary Water Quality Calculations for Proposed Extended
Detention Wetlands" originally submitted for review.
4. The flag numbers are from actual field survey of the wetland/stream
locations. This is now noted on the plan set.
If you have any further questions or comments, please feel free to give me a
call at [phone].
Research Triangle Park, NC
Post Office Box 14005 Sincerely

Research Triangle Park, ,
North Carolina 27709
2905 Meridian Parkway
THE JOHN R. McADAMS COMPANY, INC.
Durham, North Carolina 27713
800-733-5646
919-361.5000
919-361-2269 Fax Jeremy J. Beckett
Land Development Group
Charlotte, NC
5311 Seventy-Seven Center,Drive, JJB/maf
Suite 66
Charlotte, North Carolina 28217
800-733-5646
704-527-0800
704-527.2003 Fax
Comprehensive Land Development Design Services
www.johnrmeadams.com We help our clients succeed.
HMS * Summary of Results for Wetland #1
Project : ARC-03010 Run Name : 10 YEAR POST
Start of Run : 15Feb04 0000 Basin Model : POST
End of Run : 15Feb04 2400 Met. Model 10-Year Storm
Execution Time : 14Apr04 1316 Control Specs : Control 1
Computed Results
Peak Inflow : 109.04 (efs) Date/Time of Peak Inflow : 15 Feb 04 1208
Peak Outflow : 66.179 (cfs) Date/Time of Peak Outflow : 15 Feb 04 1217
Total Inflow : 4.90 (in) Peak Storage : 2.7166(ac-ft)
Total Outflow : 4.16 (in) Peak Elevation : 637.99(ft)
HMS * Summary of
Project ARC-03010
Start of Run 15Feb04 0000
End of Run 15Feb04 2400
Execution Time 14AprO4 1316
Results for Wetland #2
Run Name 10 YEAR POST
Basin Model : POST
Met. Model 10-Year Storm
Control Specs : Control 1
Computed Results
Peak Inflow 121.71 (cfs) Date/Time of Peak Inflow : 15 Feb 04 1207
Peak Outflow 72.513 (cfs) Date/Time of Peak Outflow : 15 Feb 04 1215
Total Inflow 4.90 (in) Peak Storage : 2.9062(ac-ft)
Total Outflow 4.16 (in) Peak Elevation : 626.16(ft)
HKS * Summary of Results for Wetland #3
Project ARC-03010 Run Name 10 YEAR POST
Start of Run 15Feb04 0000 Basin Model : POST
End of Run 15Feb04 2400 Met. Model 10-Year Storm
Execution Time 14Apr04 1316 Control Specs : Control 1
Computed Results
Peak Inflow : 42.581 (cfa) Date/Time of Peak Inflow : 15 Feb 04 1205
Peak Outflow : 35.770 (cfs) Date/Time of Peak Outflow : 15 Feb 04 1209
Total Inflow : 4.91 (in) Peak Storage 0.77532(ac-ft)
Total Outflow : 4.19 (in) Peak Elevation 637.27(ft)
BURLINGTON COMMERCIAL
ARC-03010
NRCD Land Quality Section
Pipe Design
Entering the following values will provide you with
the expected outlet velocity and depth of flow in a
pipe, assuming the Mannings roughness number is
constant over the entire length of the pipe.
10-year storm
(FES 1)
Flow in cis. 70
Slope S in %: 0.56
Pipe diameter D (in.): 36
Manning number n: 0.013
Flow depth:
Outlet velocity.
NRCD Land Quality Section
NYDOT Dissipator Design Results
Pipe diameter (ft):
Out/et velocity (fps):
Apron length (ft):
b
R.E. JIMENEZ JR., El
4/14/2004
3.00 ft
9.9 fps
3.00 Width (ft) = La + Do
9.90 = 27.00
24.00 Use 27.00
Avg. Diameter Stone Thickness
(inches) Class inches
3 A 9
6 B 22
13 B or 1 22
23 2 27
SUMMARY: NCDOT Class 'B' or'1' Rip Rap
Length: 24.00 ft.
Width: 27.00 ft.
Thickness:. 22 in.
FES 1
BURLINGTON COMMERCIAL R.E. JIMENEZ JR., El
ARC-03010 4/14/2004
NRCD Land Quality Section
Pipe Design
Entering the following values will provide you with
the expected outlet velocity and depth of flow in a
pipe, assuming the Mannings roughness number is
constant over the entire length of the pipe.
10-year storm
(FES 2)
Flow in cfs. 73 Flow depth: 1.84 ft
Slope S in %: 2.50 Outlet velocity: 16 fps
Pipe diameter D (in.): 36
Manning number n: 0.013
NRCD Land Quality Section
NYDOT Dissipator Design Results
Pipe diameter (ft): 3.00 Width (ft) = La + Do
Outlet velocity (fps): 16.00 = 33.00
Apron length (ft): 30.00 Use 33.00
Avg. Diameter Stone Thickness
(inches) Class (inches)
3 A 9
6 B 22
13 B or 1 22
b 23 2 27
SUMMARY: NCDOT Class 'B' or '1' Rip Rap
Length: 30.00 ft.
Width: 33.00 ft.
Thickness: 27 in.
FES 2
BURLINGTON COMMERCIAL
ARC-03010
NRCD Land Quality Section
Pipe Design
R.E. JIMENEZ JR., El
4/14/2004
Entering the following values will provide you with
the expected outlet velocity and depth of flow in a
pipe, assuming the Mannings roughness number is
constant over the entire length of the pipe.
10-year storm
(FES 3)
Flow in cfs: 36 Flow depth: 1.50 ft
Slope S in %: 7.50 Outlet velocity: 20 fps
Pipe diameter D (in.): 18
Manning number n: 0.013
NRCD Land Quality Section
NYDOT Dissipator Design Results
Pipe diameter (ft): 1.50 Width (ft) = La + Do
Outlet velocity (fps): 20.00 = 19.50
Apron length (ft): 18.00 Use 20.00
Avg. Diameter Stone Thickness
(inches) Class inches
3 A 9
6 B 22
13 B or 1 22
c* 23 2 27 C?
SUMMARY. NCDOT Class 'B' or '1' Rip Rap
Length: 18.00 ft.
Width: 20.00 ft.
Thickness: 27 in.
FES 3
BURLINGTON COMMERCIAL R.E. JIMENEZ JR., El
ARC-03010 4/16/2004
NRCD Land Quality Section
Pipe Design
Entering the following values will provide you with
the expected outlet velocity and depth of flow in a
pipe, assuming the Mannings roughness number is
constant over the entire length of the pipe.
10-year storm
(FES 4)
Flow in cfs: 109 Flow depth: 2.75 ft
Slope S in %: 1.00 Outlet velocity. 11.05 fps
Pipe diameter D (in.): 48
Manning number n: 0.013
NRCD Land Quality Section
NYDOT Dissipator Design Results
Pipe diameter (ft): 4.00 Width (ft) = 0.4La + Do
Outlet velocity (fps): 11.05 = 16.80
Apron length (ft): 32.00 Use 17.00
Avg. Diameter Stone Thickness
inches Class inches
3 A 9
6 B 22
b 13 B or 1 22 .?
23 2 27
SUMMARY: NCDOT Class 'B' or'1' Rip Rap
Length: 32.00 ft.
Width: 17.00 ft.
Thickness: 22 in.
FES 4
BURLINGTON COMMERCIAL R.E. JIMENEZ JR., El
ARC-03010 4/16/2004
NRCD Land Quality Section
Pipe Design
Entering the following values will provide you with
the expected outlet velocity and depth of flow in a
pipe, assuming the Mannings roughness number is
constant over the entire length of the pipe.
10-year storm
(FES 5)
Flow in cfs. 122 Flow depth: 3.06 ft
Slope S in %: 1.00 Outlet velocity: 11.38 fps
Pipe diameter D (in.): 48
Manning number n: 0.013
NRCD Land Quality Section
NYDOT Dissipator Design Results
Pipe diameter (ft): 4.00 Width (ft) = 0.4La + Do
Outlet velocity (fps): 11.38 = 16.80
Apron length (ft): 32.00 Use 17.00
Avg. Diameter Stone Thickness
inches Class (inches)
3 A 9
6 B 22
b 13 B or 1 22 c=
23 2 27
SUMMARY: NCDOT Class 'B' or'1' Rip Rap
Length: 32.00 ft.
Width: 17.00 ft.
Thickness: 22 in.
FES 5
BURLINGTON COMMERCIAL
ARC-03010
NRCD Land Quality Section
Pipe Design
Entering the following values will provide you with
the expected outlet velocity and depth of flow in a
pipe, assuming the Mannings roughness number is
constant over the entire length of the pipe.
10-year storm
(FES 6)
Flow in cfs: 43 Flow depth:
Slope S in %: 1.00 Outlet velocity:
Pipe diameter D (in.): 36
Manning number n: 0.013
NRCD Land Quality Section
NYDOT Dissipator Design Results
Pipe diameter (ft):
Outlet velocity (fps):
Apron length (ft):
b
R.E. JIMENEZ JR., El
4/16/2004
1.87 ft
8.63 fps
3.00 Width (ft) = 0.4La + Do
8.63 = 10.20
18.00 Use 11.00
Avg. Diameter Stone Thickness
(inches) Class inches
3 A 9
6 B 22 a
13 B or 1 22
23 2 27
SUMMARY: NCDOT Class 'B' or '1' Rip Rap
Length: 18.00 ft.
Width: 11.00 ft.
Thickness: 22 in.
FES 6
&Ar
Concord, North Carolina 28025
www.SandEC.com
04-0565
to
April 7, 2004
S&EC #5-1282W0
US Army Corps of Engineers NC DENR-DWQ
Raleigh Regulatory Field Office Wetlands Unit
Attn: Andrea Wade Attn: John Dorney
6508 Falls of Neuse Road, Suite 120 2321 Crabtree Blvd., Suite 250
Raleigh, NC 27614 Raleigh, NC 27604 WETLANDS 1401 GROUP
Dear Ms. Wade and Mr. Dorney: APR 1 l 200¢
WATER (PALITY
Our client, Wakefield Associates, Inc., requests the use of Nationwide Permit 39 for the propose SECjIO
Burlington Commercial Project in Burlington, NC. The subject property totals 53 acres and is
located north of Interstate 85 west of St. Mark's Church Road (SR 1301). The site is shown on
the attached `Gibsonville' USGS Topo Quad vicinity map. Surface waters on the property flow
to Back Creek (C-NSW) in the Cape Fear River Basin.
The applicant proposes to impact 861 linear feet of channel, 0.47 acres of wetlands, and .02 acres
of isolated wetlands for construction of the project. S&EC has met representatives from the
USACE and NC DWQ on-site to confirm our delineation and determine mitigation requirements.
Proposed impacts to USACE and NC DWQ designated mitigable streams total 147 linear feet.
Site plans for the proposed project include construction of a retail center and supporting parking
areas. The project engineer, John R. McAdams, has designed extended detention wetland storm
water management facilities to meet NC DWQ's latest BMP specifications and general
certification. Stormwater facilities will occur outside jurisdictional areas. In addition to
construction of storm water facilities the project will avoid impacts to approximately 2,745 linear
feet of stream channel and 1.25 acres of wetlands.
Attached please find: 1) A completed Pre-construction Notification 2) signed Agent authorization
form, 3) USGS topo quad vicinity map, 4) USDA Alamance County Soil Survey map, 5)
Construction plans, 6) Earlier Construction Plans 7) Wetland Data Forms, 8) A Nationwide 12
permit for sewer impacts to a separate project that runs through the property, and 9) A copy of
`Addendum to the PCN Application Required for Projects Submitted Under the Express Review
Program, Storm water management plans, and a check totaling $2,000 for DWQ.
Sincerely,
Wendell Overby
NC Licensed Soil ientist
NC Registered Forester
Greensboro Office:
3817-E Lawndale Drive
Greensboro, NC 27455
Phone: [phone]
Fax: [phone]
& Environmental
236 LePhillip Court, Suite C
Hickorv Area Office:
710 Boston Road
Taylorsville, NC 28681
Phone: [phone]
Fax: [phone]
Consultants, PA
Phone: [phone] • Fax: [phone]
Raleigh Office:
11010 Raven Ridge Road
Raleigh, NC 27614
Phone [phone]
Fax: [phone]
Office Use Only: Form Version May 2002
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or 'N/A".)
t
1. Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ? Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
® 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: 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 Wetlands Restoration Program (NCWRP) is proposed for
mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete
section VIII and check here: ?
5. 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: ?
H. Applicant Information
1. Owner/Applicant Information
Name: Wakefield Associates (c/o Rick Rowe)
Mailing Address: 2840 Plaza Place Suite 105
Raleigh_ NC 27612
Telephone Number: 919 789-9707 Fax Number: 919 789-9715
E-mail Address:
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: Wendell Overby
Company Affiliation: Soil & Environmental Consultants PA
Mailing Address: 236 LePhillip Ct.
Suite C
Concord NC 28025
Telephone Number: 704 720-9405 Fax Number: 704 720-9406
E-mail Address:
III. Project Information
Page 5 of 12
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: Burlington Commercial
2. T.I.P. Project Number or State Project Number (NCDOT Only):
3. Property Identification Number (Tax PIN): GPIN 3-26-1,2.3
4. Location
County: Alamance Nearest Town: Burlington
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers, landmarks, etc.): 185 exit 141 north on Huffman
Mill Road to H 70 Church Streetl Go left 1.7 miles to St. Marks Church Road. Turn
left property annrox 75 miles on right
5. Site coordinates, if available (UTM or Lat/Long): 36°03'59.8TN 79°31'24.59"W
(Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the
coordinates for each crossing of a distinct waterbody.)
6. Property size (acres): 53
7. Nearest body of water (stream/river/sound/ocean/lake): Back Creek(16-19-5) C:NSW
8. River Basin: Cape Fear
(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: Predominantly forested with 2 existing home sites.
Surrounding; land use predominantly residential and agricultural
Page 6 of 12
10. Describe the overall project in detail, including the type of equipment to be used:
Construction of Burlington Commercial project involving construction of retail space, roads
and parking facilities. Heavy equipment will be used for site prep including grading and
excavation of site to proposed elevations.
11. Explain the purpose of the proposed work: Construction of Burlington Commercial retail
project to serve general public. Proposed construction to occur predominantly on pland
areas. No facilities proposed for construction on adjacent land. Likely start dates July 04 and
completion date of July 05.
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.
A Nationwide 12 permit was issued for temporary sewer crossings within the project boundary
on July 17, 2003. These impacts were assigned to a project that extends beyond this project and
was assigned to the City of Burlington and not this project. Action ID 200320478.
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 future impacts expected.
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. The applicant must also
provide justification for these impacts in Section VII below. All proposed impacts, permanent
and temporary, must be listed herein, and must be clearly identifiable on an accompanying site
plan. All wetlands and waters, and all streams (intermittent and perennial) must 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 7 of 12
1. Provide a written description of the proposed impacts: 861 if of stream channel
proposed for impact Of which 1471f determined mitigatable by the USACE and DWQ. Wetland
impacts proposed for 0.47 acres along with 02 acres of isolated wetlands.
2. Individually list wetland impacts below:
Wetland Impact
Site Number
(indicate on ma)
Type of Impact* Area of
Impact
(acres) Located within
100-year Floodplain**
es/no) Distance to
Nearest Stream
(linear feet)
Type of Wetland***
Location 141 Fill .0026 No 0 Headwater
Location 144 Fill .0078 No 0 Linear
Location 147 Fill .008 No 0 Linear
Location 148 Fill .009 No 01 Linear
Location 241 Fill .002 No 0 Linear
Location 341 Fill .31 No 30' Headwater
Location 342 Fill .083 No 420' Headwater
Location 343 Fill .023 No 650' Isolated
* List each impact separately and identify temporaryimpacts. Impacts include, but are not limited to: mechamzed clearing, grading, fill,
excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding.
»» 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps
(FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or
online at http://www.fema.aov.
List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only).
List the total acreage (estimated) of all existing wetlands on the property: 1.75ac
Total area of wetland impact proposed: .47 and .02 isolated
3. Individually list all intermittent and perennial stream impacts below:
Stream Impact
Site Number
(indicate on ma)
Type of Impact*, Length of
Impact
(linear feet)
Stream Name** Average Width
of Stream
Before Impact Perennial or
Intermittent?
lease specify)
Location 142 Pipe 53 UT to Back Creek 2' Perennial
Location 143 Pipe 202 UT to Back Creek 2' Intermittent
Location 145 Pipe 94 UT to Back Creek 5' Perennial
Location 146 Pipe 357 UT to Back Creek 2.5' Intermittent
Location 242 Pipe 155 UT to Back Creek 2' Intermittent
List each impact separately and identify temporary impacts. Impacts include, but are not limited to: cutverts and associated np-rap,
dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain),
stabilization activities (cement wall, rip-rap, crib wall, 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.
"• Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at
www.usgs.aov. Several internet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com
www.mapguest.com etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 861
Page 8 of 12
4. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.) below:
Open Water Impact Area of Name of Waterbody Type of Waterbody
Site Number Type of Impact* Impact
(if applicable) (lake, pond, estuary, sound,
indicate on ma acres bay, ocean, etc.
N/A N/A N/A N/A N/A
* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
5. 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.): Construction of extended detention wetlands via
excavation in uplands. Riser pipes will be used for outlets.
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): DM stormwater requirement. Extended detention
wetlands specified as per DM BMP manual
Size of watershed draining to pond: 48.16 Expected pond surface area: 1.94 acres
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.
Initial Droiect size has been reduced by droDDing an adiacent Darcel from the moiect. Proiect
size reduced due to amount of wetlands and streams delineated on adjacent property.
Subsequently 2 stream impacts from road crossings were eliminated (see previous plan). Higthe_r
quality wetlands 1.25 acres) and streams (27451fl have been avoided and will remain
undisturbed. Most stream/linear wetland impacts occur at upper reaches to USACE
nonmitigable streams. Required extended detention wetlands (stormwater facilities) will be built
outside iurisdictional areas. UDDer streams and wetlands disturbed due to sediment inputs from
adjoining prope
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.
Page 9 of 12
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on March 9, 2000, 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 NCWRP 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.
1'. 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 (acreagellinear 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.
Proposed impacts below DWQ mitigation thresholds. Proposed stream impacts below 1501f
of USACE determined mitigatable streams. Applicants reduced size of initial project due to
presence of streams/wetlands. Subsequently less impacts as a result. Approx 2745 if of
perennial stream and 1.25 acres of wetlands will be avoided by project.
2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration
Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at
[phone] to determine availability and to request written approval of mitigation prior
to submittal of a PCN. For additional information regarding the application process for the
NCWRP, check the NCWRP website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of
the NCWRP is proposed, please check the appropriate box on page three and provide the
following information:
Amount of stream mitigation requested (linear feet): 0
Amount of buffer mitigation requested (square feet): 0
Amount of Riparian wetland mitigation requested (acres): 0
Amount of Non-riparian wetland mitigation requested (acres): 0
Amount of Coastal wetland mitigation requested (acres): 0
Page 10 of 12
IX. Environmental Documentation (required by DWQ)
Does the project involve an expenditure of public (federal/state) funds or the use of public
(federal/state) land?
Yes ? No
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 [phone] to review current thresholds for environmental documentation.
Yes ? No
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.
Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and
Water Supply Buffer Requirements), or other (please identify)?
Yes ? No ® If you answered `yes", provide the following information:
Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer
mitigation is required calculate the required amount of mitigation by applying the buffer
multipliers.
Zone* Impact
( uare feet) Multiplier Required
Mitigation
1 N/A 3 0
2 N/A 1.5 0
Total N/A 0
• Gone 1 eXtenas out 3V Ieet perpenaicular IIom near Oa,u ut Uuuuicy cwnn. s...nwa..w w.
additional 20 feet from, the edge of Zone 1.
If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation
of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or
Page 11 of 12
N/A
XL Stormwater (required by DWQ)
Describe impervious acreage (both 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.
Drainage area calculated at 48.16 acres. Proposed impervious area = 38 acres. Existing
impervious acreage negligible. Extended detention wetlands specified as per NC DWQ BMP's
will be constructed Maintenance agreement and stormwater plans attached.
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.
Project to be served by sanitary sewer permitted by others.
X1M Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 211.0500) or any Buffer Rules?
Yes ? No
Is this an after-the-fact permit application?
Yes ? No
XIV. 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).

Applicant/Agen Signature Date
(Agent's signature is valionly if an authorization letter from the applicant is provided.)
Page 12 of 12
04/05/04 RUN 07:35 r'AA 919 700 N715 WAKEFIELD ASSOC
03/31/2004 139:19 7047209406 S AND EC
i
Name:
Address
?n,v?ironmental
10002
PAGE 02
Consultants, PA
PhooG [phone] • Fax: [phone]
Phone q) 71 f - 9'7y 07
Project Name/Desc iption: ._, 1rU T fDn A#
vate: 491W
Tice Departmert of the Army
U.S. Army Corps of Engineers, Wnlmirng District
P.O. Box 1890
Wilmington, NC 28402
' Attn: Andrea Wade_
Field Office: Raleit ,
Re: Wetlands Related Consulting and Permitting
i To Whom It May Concern:
L the caaent p_rop= owner, hereby designate and authorize Soil & Environmental Consultants, Inc. to
act in my behalf as my agent in the processing of permit applications, to furnish upon request
supplemental h* rmation in support of appkatims, etc. from this day forward. The day of
This notifxatkm supemedes any previous correspandenae ooncenung the agent for this project.
NOTICE: TbIs authorization, for liabiixty and profenional courtesy reasons, is valid only for
government officials to enter the property when accompanie S&EC ata!£ You should call S&EC
Se a 51 77 prior to visiting the site.
Prir?t Property Owner's Nance Own& Sagnatwre
cc; Mr. John Damey ac M. Wendell Overby
NCDE NR - DWQ Sol & Environmental Consultants, PA.
2321 Cza(btree Blvd, Ste 250
Raleigh, NC 27W4-22b0
a HicknrY ?j,rs:a oAFc Sari Offic_ ,
3817-E Cawndale Drin 622 Coon Mountain Lame 11010 Raven Ridge Road
Coasboro. NC 27435 ToyloQnviOe, NC 28681 Relc igb, NC 27614
Rhone: (336) 5404234 Phone: [phone] Phonc [phone]
. .. w ........... -. •-. , mem DAe ftAdl
AGENT AUTHORIZATION FORM
All Blanks To Be_ hill In By The Current Landowmr
USDA Alamance County Soil Survey
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(rW) (CH ONLY) (CH- ONLY,
1 Jw 13,530 - - -
2 JN 3,615 - - -
3 Iw - 1,007 - -
TOTAL 17,145 FT2 1,007 FT 2 - -
(0.39 AC) (0.02 AC)
(CH - CHANNEL: CW- - IAPORTANT CHANNEL;
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Wetland Delineation Performed By: Soil & Environmental Consultants, PA
236 LePhillip Ct., Suite C
Concord, North Carolina 28025
[phone]
DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: Burlington Commercial Date: 10/2/03
Applicant/Owner. Wakefield Associates County: Alamance
Investigator. W. Overby A. Rollans State: NC
Do Normal Circumstances exist on the site? X Yes No Community ID: Riparian wetland
Is the site significantly disturbed (Atypical Situation)? Yes X No Transect ID:
Is the area a potential Problem Area? Yes X No Plot ID: wetland
(If needed, explain on reverse.)
vcn cT w r? n u
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Platanus occidentalis Tree FACW 9.
2. Liquidambar styracitlua Shrub FAC+ 10.
3. Acer rubrum Shrub FAC 11.
4. Scirpus cyperinus Herb OBL 12.
5. Cyperus strigosus Herb FACW 13.
6. Carex sp. Herb FACW 14.
7. Juncus effuses Herb FACW 15.
8. Boehmeria cylindrical Herb FACW 16.
Percent of Dominant Species that are OBL, FACW, or FAC
(excluding FAG): 100
Remarks:
uvns?? env
Recorded Data (Describe in Remarks):
Stream, Lake or Tide Gauge
r_ Aerial Photographs
Other
X No Recorded Data Available Wetland Hydrology Indicators:
Primary Indicators:
_ Inundated
x Saturated in Upper 12 Inches
_ Sediment Deposits
x Drainage Patterns in Wetlands
Field Observations: Secondary Indicators (2 or more required):
x Oxidized Root Channels in Upper 12 Inches
Depth of Surface Water: 0 (in.) _ Water-Stained Leaves
Local Soil Survey Data
Depth to Free Water in Pit: 10+ (in.) x FAG-Neutral Test
_ Other (Explain in Remarks)
Depth to Saturated Soil: 6+ (in.)
Remarks:
Wetland Delineation Performed By: Soil & Environmental Consultants, PA
236 LePhillip Ct., Suite C
Concord, North Carolina 28025
[phone]
Project/Site: Burlington Commercial Plot ID: Wetland flag 12A
SOILS
Map Unit Name Drainage Class: Poorl y
(Series and Phase): Worsham Field Observations
Taxonomy (Subgroup): Typic Endoaquult Confirm Mapped Type? x Yes _ No
Profile Description:
Depth Matrix Color Mottle Color Mottle Texture, Concretions,
inches Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Structure, etc.
0-4 A 10YR 3/1 Sand loam
4-10 E 10YR 6/1 Sandy loam
10+ Bg 10YR 6/1 10YR 5/6 Common/distinct Sandy clay loam
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor Organic Streaking in Sandy Soils
x Aquic Moisture Regime x Listed on Local Hydric Soils List
x Reducing Conditions x Listed on National Hydric Soils List
x Gleyed or Low-Chroma Colors Other (Explain in Remarks)
Remarks:'
WETLANDS DETERMINATION
x
Hydrophytic Vegetation Present? Yes No Is this sampling point within a wetland?
Wetland Hydrology Present? x Yes _ No x Yes No
Hydric Soils Present? x Yes No
Remarks:
Wetland Delineation Performed By: Soil & Environmental Consultants, PA
236 LePhillip Ct., Suite C
Concord, North Carolina 28025
[phone]
DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: Burlington Commercial Date: 10/2/03
Applicant/Owner. Wakefield Associates County: Alamance
Investigator. W. Overby A. Rollans State: NC
Do Normal Circumstances exist on the site? X Yes No Community ID: Headwater wetland
Is the site significantly disturbed (Atypical Situation)? Yes X No Transect ID:
Is the area a potential Problem Area? Yes X No Plot ID: wetland
(If needed, explain on reverse.)
• iri. rr a r. ???
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Ulmus Americana Tree FACW 9.
2. Liquidambarstyraciflua Shrub FAC+ 10.
3. Acer rubrum Shrub FAC 11.
4. Arundinaria gigantean Herb FACW 12.
5. Lonicera japonica Vine FAC- 13.
6. Car-ex sp. Herb FACW 14.
7. Juncus effuses Herb FACW 15.
8. Liriodendron tulipifer Tree FAC 16.
Percent of Dominant Species that are OBL, FACW, or FAC
(excluding FAC-): 87.5
Remarks:
uvnonl nr_v
Recorded Data (Describe in Remarks):
_ Stream, Lake or Tide Gauge
_ Aerial Photographs
_ Other
X No Recorded Data Available Wetland Hydrology Indicators:
Primary Indicators:
_ Inundated
x Saturated in Upper 12 Inches
_ Sediment Deposits
x Drainage Patterns in Wetlands
Field Observations: Secondary Indicators (2 or more required):
x Oxidized Root Channels in Upper 12 Inches
Depth of Surface Water: 0 (in.) - Water-Stained Leaves
Local Soil Survey Data
Depth to Free Water in Pit: >12 (in.) x FAC-Neutral Test
_ Other (Explain in Remarks)
Depth to Saturated Soil: 8 (in.)
Remarks:
Wetland Delineation Performed By: Soil & Environmental Consultants, PA
236 LePhillip Ct., Suite C
Concord, North Carolina 28025
[phone]
Project/Site: Burlington Commercial Plot ID: Wetland flag 37a
SOILS
Map Unit Name Drainage Class: Poorl y
(Series and Phase): Wehadkee Field Observations
Taxonomy (Subgroup): Fluvaquentic Endoaquept Confirm Mapped Type? x Yes _ No
Profile Description:
Depth Matrix Color Mottle Color Mottle Texture, Concretions,
inches Horizon (Munsell Moist) ( Munsell Moist) Abundance/Contrast Structure, etc.
0-6 A 10YR 5/2 Sand loam
6-15 Bg 10YR 4/1 Loam
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon High Organic Content in Surface Layer in Sandy Soils
Sulfidic Odor Organic Streaking in Sandy Soils
_
x Aquic Moisture Regime x Listed on Local Hydric Soils List
x Reducing Conditions x Listed on National Hydric Soils List
x Gleyed or Low-Chroma Colors Other (Explain in Remarks)
Remarks:
WETLANDS DETERMINATION
x
Hydrophytic Vegetation Present? Yes No Is this sampling point within a wetland?
Wetland Hydrology Present? x Yes No x Yes No
Hydric Soils Present? x Yes _ No
Remarks:
Wetland Delineation Performed By: Soil & Environmental Consultants, PA
236 LePhillip Ct., Suite C
Concord, North Carolina 28025
[phone]
DATA FORM
ROUTINE WETLAND DETERMINATION
(1987 COE Wetlands Delineation Manual)
Project/Site: Burlington Commercial Date: 10/2/03
Applicant/Owner. Wakefield Assoc. County: Alamance
Investigator: W. Overby, A. Rollans State: NC
Do Normal Circumstances exist on the site? X Yes No Community ID: Mixed pine hardwood
Is the site significantly disturbed (Atypical Situation)? Yes X No Transect ID:
Is the area a potential Problem Area? Yes X No Plot ID: upland
(If needed, explain on reverse.)
VFr.FTATInN
Dominant Plant Species Stratum Indicator Dominant Plant Species Stratum Indicator
1. Pinus virginicus Tree FACU 9. Lonicera japonica Vine FAG
2. Liriodendron tulipifera Tree FAC 10.
3. Quercus alba Tree FACU 11.
4. Comus Honda Tree FACU 12.
5. Liquidambar styraciflua Tree FAC 13.
6. Acer rubrum Tree FAC 14.
7. Ulmus alata Shrub FACU 15.
8. Juniperus virginiana Tree FACU 16.
Percent of Dominant Species that are OBL, FACW, or FAC
(excluding FAG): 33
Remarks: Much of the proposed corridor area in pasture (fescue)
MYnRn1 nr.Y
Recorded Data (Describe in Remarks):
_ Stream, Lake or Tide Gauge
Aerial Photographs
Other
X No Recorded Data Available Wetland Hydrology Indicators:
Primary Indicators:
Inundated
_ Saturated in Upper 12 Inches
_ Sediment Deposits
Drainage Patterns in Wetlands
Field Observations: Secondary Indicators (2 or more required):
Oxidized Root Channels in Upper 12 Inches
Depth of Surface Water: WA (in.) _ Water-Stained Leaves
_ Local Soil Survey Data
Depth to Free Water in Pit: WA (in.) _ FAC-Neutral Test
_ Other (Explain in Remarks)
Depth to Saturated Soil: WA (in.)
Remarks: No wetland hydrology indicators met.
11
Wetland Delineation Performed By: Soil & Environmental Consultants, PA
236 LePhillip Ct., Suite C
Concord, North Carolina 28025
[phone]
Project/Site: Burlington Commercial Plot ID: Upland (wooded)
SOILS
Map Unit Name Drainage Class: Well
(Series and Phase): Mecklenburg Field Observations
Taxonomy (Subgroup): Ultic Hapludalf Confirm Mapped Type? x Yes _ No
Profile Description:
Depth Matrix Color Mottle Color Mottle Texture, Concretions,
inches Horizon (Munsell Moist) (Munsell Moist) Abundance/Contrast Structure, etc.
0-6 Ap 5YR 414 Sand loam
6-17 Bt 5YR 4/6 Clay
Hydric Soil Indicators:
Histosol Concretions
Histic Epipedon High Organic Content in Surface Layer in Sandy Soils
_
Sulfidic Odor Organic Streaking in Sandy Soils
Aquic Moisture Regime Listed on Local Hydric Soils List
Reducing Conditions Listed on National Hydric Soils List
Gleyed or Low-Chroma Colors Other (Explain in Remarks)
Remarks: No hydric soil indicators met.
L, -
I
WETLANDS DETERMINATION
Hydrophytic Vegetation Present? x Yes _ No Is this sampling point within a wetland?
Wetland Hydrology Present? Yes X No Yes x No
Hydric Soils Present? Yes x No
Remarks:
1 11
04/06/04 Rh Ur I V `- 22263034 AWCK INC ?}Q? 7t'!?• Q002 64
e-Z [` JUL 2 2 2003 pV >? o
ENG j ,
`s (OE BURLING7?ott U.S. ARMY CORPS OF ENGINEERS
Wilmington District
Action.ID: 200320478 County: Guilford
GENERAL PERMIT (REGIONAL AND NATIONWIDE) VERIFICATION
Property Authorized
Owner City of Burlington Agent Engineering Consulting Services, Ltd.
Attn: Mr. Jim Lauritsen Attn: Michael Brame
Address Post Office Box 1358 Address 6909 International Drive, Suite 103
Burlington, NC 27216 Greensboro NC 27409
Telephone Number 336-222-5050 Telephone Number 336-856-7150
Size and Location of Property (waterbody, Highwav name/number, town, etc.): The project
(Danbrook Road Sanitary Sewer Outfall) is located on both sides of Danbrook Road, approximately 0.5
mile west of Saint Marks Church Road, in Burlington, Guilford County, North Carolina. The site is
located adjacent to an unnamed tributary of Back Creek in the Cape Fear River Basin.
Description of Activity: This permit authorizes excavation, the installation of a sewer line, and the
placement of back fill and riprap required for the construction of the Danbrook Road Sanitary Sewer
Outfall. Temporary impacts to waters of the U.S. authorized by this permit total approximately 34 linear
feet of stream channel and 0.075 acre of wetlands.
Applicable Law: X Section 404 (Clean Water Act, 33 USC 1344) only.
Section 10 (River and Harbor Act of 1899) only. .
Authorization: Regional General Permit Number
12 Nationwide Permit Number
Any violation of the conditions of the Regional General or Nationwide Permit referenced above may
subject the permittee to a stop work order, a restoration order, and/or appropriate legal action.
This Department of the Army Regional General Permit or Nationwide Permit verification does not
relieve the permittee of the responsibility to obtain any other required Federal, State, or local
approvals/permits. The permittee may need to contact appropriate State and local agencies before
beginning work. If you have any questions regarding the Corps of Engineers regulatory program,
please contact Todd Tumell at telephone number (919) 876 - 8441 exterision'26
Regulatory Project Manager Signature
Authorization Date July 17, 2003 Expiration Date July 17, 2005
SURVEY PLATS, FIELD SKETCH, WETLAND DELINEATION FORM, ETC., MUST BE ATTACHED
TO THE YELLOW (FILE) COPY OF THIS FORM, IF REQUIRED OR AVAILABLE.
CF:
O OVA T ?9pG
EXPRESS PERMIT REVIEW PROGRAM
Division of Water Quality
Department of Environmental and Natural Resources
Wetlands/401 Unit
Street Address:
Mailing Address:
Contact Information:
Fax To: Rick Rowe
Wendell Overby
Subject: Burlington Commercial Site
Number of pages including cover sheet: 3
Notes or special instructions:
Fax #: [phone]
704-720-9406
Date: April 13, 2004
The original will be sent in the mail. If you have questions please call Debbie Edwards at 919-733-9584.
NCbENH
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E., Director
Division of Water Quality
Coleen H. Sullins, Deputy Director
Division of Water Quality
2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604-2260
1650 Mail Service Center
Raleigh, NC 27699-1650
Phone #: [phone]
Fax #: [phone]
N. C. Division of Water Quality, 401 Wetlands Certification Unit,
1650 Mail Service Center, Raleigh, NC 27699-1650 (Mailing Address)
2321 Crabtree Blvd., Raleigh, NC 27604-2260 (Location)
[phone] (phone), 919-733-6893 (fax), (http://h2o.enr.state.nc.ustncwetlands
Research Triangle Park, NC
Post Office Box 14005
Research Triangle Park,
North Carolina 27709
2905 Meridian Parkway
Durham, North Carolina 27713
800-733-5646
919-361-5000
919-361-2269 Fax
Charlotte, NC
5311 Seventy-Seven Center Drive,
C..
orth Carolina 28217
46
704-527-0800
704-527-2003 Fax
www.johnrmcadams.com
EX? o04 -05 6 y5Since 1979
THE JOHN R. McADAMS COMPANY, INC.
WETLANDS /401 GROUP
APR 12 ;2004
WATER QUALITY SECTION
Burlington Commercial
Burlington, North Carolina
Preliminary Water Quality Calculations for
Proposed Extended Detention Wetlands
`??y?a.e?c+wwwwasi?e? /
Sss/d
EA
2 495
Project Number:
Designed By:
Checked By:
Date:
ARC-03010
R. Jimenez, El
A. Clark, PE
March 1, 2004
Comprehensive Land Development Design Services
W: help oui- clients succeed.
- t4
BURLINGTON COMMERCIAL
PRELIMINARY WATER QUALITY WETLAND SIZING
General Description
This document presents the preliminary sizing calculations for three stormwater wetlands
in the proposed Burlington Commercial development. The site is situated at the northwest
quadrant of the intersection of I-40/1-85 and the Western Alamance Loop. Development
will consist of approximately 45 acres of commercial establishments, with associated
parking, drive aisles, and stormwater management facilities. Stormwater management
facilities for this site are designed to alleviate concerns regarding pollutant discharge in
stormwater runoff leaving the site. Stormwater quantity control (detention) is not
provided by these facilities to meet any particular stanadard.
The proposed development is located within the Cape Fear River basin and drains to
Back Creek (Class C, NSW). Three Extended Detention Wetlands were designed to
provide for 85% TSS removal to control water quality in stormwater runoff leaving the
site. Design guidelines for the wetlands were taken from the NCDENR Stormwater Best
Management Practices handbook (April 1999). Hydrologic and hydraulic modeling was
undertaken to confirm that the Extended Detention Wetlands would pass the 100-year
storm event.
The calculations contained within this report are based on an analysis of the site and
contributing off-site area. Further analysis of the site (once site design is started and field
survey information becomes available) may indicate the need for actions other than those
recommended within this report.
Calculation Methodolo
Rainfall data for the Burlington area in Alamance County is from USWB
Technical Paper No. 40 and NOAA Hydro-35. This data was used to generate a
depth-duration-frequency table describing rainfall depth vs. time for varying
return periods. Rainfall depths from this table were then used as input to HEC-
HMS Version 2.2.2 for hydrologic and hydraulic modeling of the three proposed
stormwater wetlands.
The time of concentration for each sub-basin was estimated conservatively for
post development conditions.
On- and off-site soils were considered to be from Hydrologic Soil Group `D'.
Therefore, the SCS Curve Numbers used in further hydrologic calculations were
selected appropriately. This group provided the most conservative approach to
estimating soil characteristics.
0 On- and off-site topography is from Alamance County GIS mapping.
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(?? ??? ?3`1????'I ?? % ??'?? ?'- ° ? ? ??? /o ?1i \ ?? (I ?v "emu ,. - •? I' ??'? ? ??
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look:
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WA TER Q UALI T Y SIZING CAL CULA TIONS
ARC-03010
PROJECT NO. ARC-03010 ,
® FILENC-0301 0SW1.DW BURLINGTON COMMERCIAL
SCALE: 1 r = 300' BURLINGTON, NC
`" DATE: 03-10-04 PRELU IINAW DETENTION PLAN
EXTENDED DETENTION WETLAND #1
ARC-03010
BURLINGTON COMMERCIAL
ARC-03010
I. POST-DEVELOPMENT
==>Hydrologic Soil Group "D" curve numbers were used as a conservative estimate.
Both wooded and open areas were assumed to be in good condition.
Cover Description SCS CN - HSG D Comments
Impervious 98
Open/Grassy Areas 80 Assume good condition (> 75% grass)
R.E. JIMENEZ JR., El
WETLAND #1: POST-DEVELOPMENT CALCULATIONS
1. Watershed Composition: Total Onsite Drainage: 17.2 Acres
Main Lots: 13.73
Outparcels: 3.47
Main Lot Impervious: 12.36 Acres (assuming 90% impervious)
Outparcel Impervious: 2.78 Acres (assuming 80% impervious)
Total Impervious: 15.13
Main Lot Open: 1.37
Outparcel Open: 0.69
Total Open: 2.07
Total Offsite Drainage: 2.92 Acres
Offsite Impervious: 2.34 Acres (assuming 80% impervious)
Offsite Open: 0.58
Cover Description Area acres
Onsite Impervious 15.13
Onsite Open 207
Offsite Impervious 2.34
Offsite Open 0.58
Total = 20.12 Acres
0.03144 Sq. Miles
Composite SCS CN = 96
TOTAL TRAVEL TIME = 12.00 MINUTES
SCS LAG TIME = 7.20 MINUTES (EST)
PROJECT NO. ARC-03010
a
C1 rDA con a
1"=40' 03-10-04

BURLINGTON COMMERCIAL
BURLINGTON, NC
wMI? ri
THE JOHN R. McADAMS
COMPANY, INC.
ENGINEERS/PLANNERS/SURVEYORS
RESEARCH TRIANGLE PARK, NC
P.O. BOX 14005 ZIP 27709-4005
[phone]
WQ Pond Surface Area Requirements
Project Name:
Job Number:
Designed By:
Checked By:
Date:
Burlington Commercial
ARC-03010
R.E.Jimenez Jr., El
B.R. Finch, PE
2/24/2004
Pond Drainage Area Description =_>
Outparcel Drainage Area: 3.47 acres
Remaining Drainage Area: 13.73 acres
Offsite Drainage Area: 2.92 acres
Total DA = 20.12 acres
Directly Connected Impervious Area :
Outparcels:
Remainder:
Offsite:
Total:
DA % impervious =
SA / DA ratio calculations =_>
@ 80%
@ 90%
@ 80%
Other Area Draining to
2.78 acres Outparcels:
12.36 acres Remainder:
2.34 acres Offsite:
17.47 acres Total:
86.82%
Ultimate Depth of pond = 3.00 feet
SA / DA ratios for drainage areas and depth (NCDEHNR, 1995):
3.00
Lower Limit =_> 80.00% 3.36%
Calc'd value =_> 86.82% 3.62%
Upper Limit =_> 90.00% 3.74%
Therefore, SA / DA required for this configuration = 3.62%
Use 3.74% as a conservative estimate.
Pond Surface Area Required =_>
Pond SA Required = 32778 SF
Pond SA Provided = 34976 SF OK
Pond (Not DCIA):
0.69 acres
1.37 acres
0.58 acres
2.65 acres
Wetland #1
Water Oualitv Pond Desien Sheet
Project Name: Burlington Commercial
Designed By: R.E.Jimenez Jr., El
Checked By: B.R. Finch, PE
Job Number: ARC-03010
Date: 2/24/2004
Average Incremental Accumulated Estimated
Contour Contour Contour Contour Stage
Contour Stage Area Area Volume Volume w/ S-S Fxn
(feet) (feet) (SF) (SF) (CF) (CF) (feet)
635.0 0.0 34976
636.0 1.0 37451 36214 36214 36214 1.01
638.0 3.0 42589 40020 80040 116254 2.94
640.0 5.0 47961 45275 90550 206804 4.99
641.0 6.0 50732 49347 49347 256150 6.08
Storage vs. Stage
?Vuuvu
250000
i
y = 35912x' oeas
LL 00000 R2 = 0.9997
I U
m150000
o ? I
N100000
i
50000 - j
i
I j
0
0.0 1.0 2.0 it 0 4. 5.0 6.0 7.0
age (feet4
Ks = 35912
b = 1.0886
Calculation of Runoff Volume required for storage
The runoff to the pond for the I" storm detention requirement is calculated using the SCS curve
number method. Impervious areas that directly enter the pond are counted as Directly Connected
Impervious Areas (DCIAs). No infiltration calculation will be provided for these areas. Areas
not directly connected will be accounted for in a composite curve number.
Using basic SCS runoff methodology, with no adjust
to initial abstractions (0.2*S and 0.8*S).
Impervious Area, directly connected (DCIA) _
@CN=
Other areas draining to pond (not DCIA) =
@CN=
ments made
17.47 acres Total Drainage : 20.12
98
2.65 acres
80
Wetland #1
Page 1
Runoff from DCIAs ==>
Precipitation amount = 1.0 inches
S = 0.204 inches (calculated)
Q* = 0.791 inches (calculated)
Runoff volume = 50156 CF
Runoff from non-connected areas ==>
Precipitation amount = 1.0 inches
S = 2.500 inches (calculated)
Q* = 0.083 inches (calculated)
Runoff volume = 802 CF
Therefore, total runoff from precipitation in question = 50958 CF
This amount of runoff must be stored in the pond above normal pool elevation,
and be released in a period of two (2) to five (5) days, by an inverted PVC
siphon, the invert end of which is set at permanent pool elevation.
Calculation of depth required for runoff storage pool (above normal pool)
Normal pool depth (above invert) = 0.00 feet
Storage provided at permanent pool depth = 0 CF (calculated)
Total storage required for normal + storage pool = 50958 CF
Stage (above invert) associated with this storage = 1.38 feet
Therefore, depth required above normal pool for storm storage = 1.38 feet
16.55 inches
Therefore set crest of principal spillway at stage = 1.40 feet
and EL = 636.40 feet
At principal spillway crest, storm pool storage provided = 51798 CF
Wetland #1 Page 2
Type.... Outlet Input Data Page 1.01
Name.... Wetland #1
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
REQUESTED POND WS ELEVATIONS:
Min. Elev.= 635.00 ft
Increment = .20 ft
Max. Elev.= 641.00 ft
OUTLET CONNECTIVITY
---> Forward Flow Only (Up5tream to DnStream)
<--- Reverse Flow Only (DnStream to UpStream)
<---> Forward and Reverse Both Allowed
Structure No. Outfall E1, ft E2, ft
----------------- ---- ------- --------- ---------
Stand Pipe RI ---> BA 636.400 641.000
Culvert-Circular BA ---> TW 632.500 641.000
TW SETUP, DS Channel
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 3:59 PM Date: 3/10/2004
Type.... Outlet Input Data Page 1.02
Name.... Wetland #1
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = RI
Structure Type
----------------- = Stand Pipe
-------------
------
# of Openings = 1
Invert Elev. = 636.40 ft
Diameter = 4.0000 ft
Orifice Area = 12.5664 sq.ft
Orifice Coeff. _ .600
Weir Length = 12.57 ft
Weir Coeff. = 3.000
K, Submerged = .000
K, Reverse = 1.000
Kb,Barrel = .000000 (per ft of full flow)
Barrel Length = .00 ft
Mannings n = .0000
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 3:59 PM Date: 3/10/2004
Type.... Outlet Input Data
Name.... Wetland #1
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = BA
Structure Type
----------------- = Culvert-Circular
-------------------
No. Barrels = 1
Barrel Diameter = 3.0000 ft
Upstream Invert = 632.50 ft
Dnstream Invert = 632.00 ft
Horiz. Length = 90.00 ft
Barrel Length = 90.00 ft
Barrel Slope = .00556 ft/ft
OUTLET CONTROL DATA...
Mannings n = .0130
Ke = .2000
Kb = .007228
Kr = .5000
HW Convergence = .001
INLET CONTROL DATA...
Equation form = 1
Inlet Control K = .0098
Inlet Control M = 2.0000
Inlet Control c = .03980
Inlet Control Y = .6700
Tl ratio (HW/D) = 1.157
T2 ratio (HW/D) = 1.304
Slope Factor = -.500
Page 1.03
(forward entrance loss)
(per ft of full flow)
(reverse entrance loss)
+/- ft
Use unsubmerged inlet control Form 1 equ. below T1 elev.
Use submerged inlet control Form 1 equ. above T2 elev.
In transition zone between unsubmerged and submerged inlet control,
interpolate between flows at T1 & T2...
At T1 Elev = 635.97 ft ---> Flow = 42.85 cfs
At T2 Elev = 636.41 ft ---> Flow = 48.97 cfs
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 3:59 PM Date: 3/10/2004
Type.... Outlet Input Data
Name.... Wetland #1
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = TW
Structure Type = TW SETUP, DS Channel
------------------------------------
FREE OUTFALL CONDITIONS SPECIFIED
CONVERGENCE TOLERANCES ...
Maximum Iterations= 30
Min. TW tolerance = .01 ft
Max. TW tolerance = .01 ft
Min. HW tolerance = .01 ft
Max. HW tolerance = .01 ft
Min. Q tolerance = .10 cfs
Max. Q tolerance = .10 cfs
Page 1.04
S/N: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 3:59 PM Date: 3/10/2004
Type.... Composite Rating Curve
Name.... Wetland #1
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
***** COMPOSITE OUTFLOW SUMMARY ****
WS Elev, Total Q Notes
-------- -------- ------ -- Converge ------- ------------------
Elev. Q TW El ev Error
ft cfs ft +/-ft Contributing Structures
--------
635.00 -------
.00 ------
Free -- ----- -
Outfall -------
(no Q: ------------------
RIBA)
635.20 .00 Free Outfall (no. Q: RIBA)
635.40 .00 Free Outfall (no Q: RI,BA)
635.60 .00 Free Outfall (no Q: RIBA)
635.80 .00 Free Outfall (no Q: RIBA)
636.00 .00 Free Outfall (no Q: RIBA)
636.20 .00 Free Outfall (no Q; RIBA)
636.40 .00 Free Outfall (no Q: RIBA)
636.60 3.37 Free Outfall RI,BA
636.80 9.54 Free Outfall RIBA
637.00 17.52 Free Outfall RI,BA
637.20 26.97 Free Outfall RIBA
637.40 37.70 Free Outfall RIBA
637.60 62.37 Free Outfall RIBA
637.80 64.35 Free Outfall RIBA
638.00 66.27 Free Outfall RIBA
638.20 68.14 Free Outfall RIBA
638.40 69.95 Free Outfall RIBA
638.60 71.73 Free Outfall RIBA
638.80 73.46 Free Outfall RIBA
639.00 75.15 Free Outfall RI,BA
639.20 76.79 Free Outfall RIBA
639.40 78.42 Free Outfall RIBA
639.60 80.00 Free Outfall RIBA
639.80 81.56 Free Outfall RIBA
640.00 83.09 Free Outfall RIBA
640.20 84.58 Free Outfall RI,BA
640.40 86.05 Free Outfall RIBA
640.60 87.50 Free Outfall RIBA
640.80 88.92 Free Outfall RI,BA
641.00 90.32 Free Outfall RIBA
Page 1.01
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 3:59 PM Date: 3/10/2004
Burlington Commercial STAGE-STORAGE FUNCTION R.E.Jimenez Jr.,E1
ARC-03010 3/10/2004
Stage - Storage Function
Ks= 35912
b = 1.0886
Zo = 635
Elevation Storage Outflow Storage
lfeetl ]acre-feet] lcfs] 10
635 0.000 0 0
635.2 0.143 0 6228
635.4 0.304 0 13245
635.6 0.473 0 20594
635.8 0.647 0 28167
636 0.824 0 35912
636.2 1.005 0 43796
636.4 1.189 0 51798
636.6 1.375 3.37 59902
636.8 1.563 9.54 68097
637 1.753 17.52 76373
637.2 1.945 26.97 84723
637.4 2.138 37.7 93140
637.6 2.333 62.37 101620
637.8 2.529 64.35 110158
638 2.726 66.27 118750
638.2 2.925 68.14 127393
638.4 3.124 69.95 136084
638.6 3.325 71.73 144821
638.8 3.526 73.46 153600
639 3.729 75.15 162421
639.2 3.932 76.79 171281
639.4 4,136 78.42 180178
639.6 4.341 80 189111
639.8 4,547 81.56 198079
640 4.754 83.09 207080
640.2 4.961 84.58 216113
640.4 5.169 86.05 225177
640.6 5.378 87.5 234270
640.8 5.588 88.92 243393
641 5.798 90.32 252543
Wetland 1 (Above NWSE) cont.
HEC-HMS
Project: ARC-03010
Basin Model: TO
HMS * Summary of Results
Project : ARC-03010 Run Name : #1 100
Start of Run 15Feb04 0000 Basin Model TO WETLAND#1
End of Run 15Feb04 2400 Met. Model 100 YEAR #1
Execution Time 1OMar04 1607 Control Specs Control 1
Hydrologic Discharge Time of Volume Drainage
Element Peak Peak (ac Area
(cfs) ft) (sq mi)
TO WETLAND #1 145.77 15 Feb 04 1208 11.256 0.031
Wetland #1 73.086 15 Feb 04 1220 9.9948 0.031
HMS * Summary of Results for Wetland #1
Project : ARC-03010
Start of Run 15Feb04 0000
End of Run 15Feb04 2400
Execution Time 10Mar04 1607
Run Name : #1 100
Basin Model TO WETLAND#1
Met. Model 100 YEAR #1
Control Specs Control 1
Computed Results
Peak Inflow 145.77 (cfs) Date/Time of Peak Inflow 15 Feb 04 1208
Peak Outflow 73.086 (cfs) Date/Time of Peak Outflow 15 Feb 04 1220
Total Inflow 6.71 (in) Peak Storage 3.4825(ac-ft)
Total Outflow 5.96 (in) Peak Elevation 638.76(ft)
EXTENDED DETENTION WETLAND #2
ARC-03010
0
a
d
G?
PROJECT NO. ARC-03010
03010SW1. DWG
SCALE: 1" = 40'
DATE: 03-10-04
BURLINGTON COMMERCIAL
BURLINGTON, NC
VMLAM #2
THE JOHN R. McADAMS
COMPANY, INC.
ENGINEI S/PLANNERS/SURVEYORS
RESEARCH TRIANGLE PARK, NC
P.O. BOX 14005 ZIP 27709-4005
[phone]
BURLINGTON COMMERCIAL
ARC-03010
L POST-DEVELOPMENT
==>Hydrologic Soil Group "D" curve numbers were used as a conservative estimate.
Both wooded and open areas were assumed to be in good condition.
Cover Description SCS CN - HSG D Comments
Impervious 98
Open/Grassy Areas 80 Assume good condition (> 75% grass)
R.E. JIMENEZ JR., El
WETLAND #2: POST-DEVELOPMENT CALCULATIONS
1. Watershed Composition: Total Onsite Drainage: 21.23 Acres
Main Lots: 18.08
Outparcels: 3.15
Main Lot Impervious: 16.27 Acres (assuming 90% impervious)
Outparcel Impervious: 2.52 Acres (assuming 80% impervious)
Total Impervious: 18.79
Main Lot Open: 1.81
Outparcel Open: 0.63
Total Open: 2.44
Total Offsite Drainage: 0 Acres
Offsite Impervious: 0.00 Acres (assuming 80% impervious)
Offsite Open: 0.00

Cover Description Area acres
Onsite Impervious 18.79
Onsite Open 2.44
Offsite Impervious 0.00
Offsite Open 0.00
Total = 21.23 Acres
0.03317 Sq. Miles
Composite SCS CN = 96
TOTAL TRAVEL TIME = 10.00 MINUTES
SCS LAG TIME = 6.00 MINUTES (EST)
WQ Pond Surface Area Requirements
Project Name:
Job Number:
Designed By:
Checked By:
Date:
Pond Drainage Area Description =_>
Burlington Commercial
ARC-03010
R.E.Jimenez Jr., El
B.R. Finch, PE
2/24/2004
Outparcel Drainage Area: 3.15 acres
Remaining Drainage Area: 18.08 acres
Offsite Drainage Area: 0.00 acres
Total DA = 21.23 acres
Directly Connected Impervious Area :
Outparcels:
Remainder:
Offsite:
Total:
DA % impervious =
SA I DA ratio calculations =_>
@
2.52 acres
16.27 acres
0.00 acres
18.79 acres
88.52%
Ultimate Depth of pond =
SA / DA ratios for drainage areas and depth (NCDEHNR, 1995):
80%
90%
80%
Other Area Draining to Pond (Not DCIA):
Outparcels: 0.63 acres
Remainder: 1.81 acres
Offsite: 0.00 acres
Total: 2.44 acres
3.00 feet
3.00
Lower Limit =_> 80.00% 3.36%
Calc'd value =_> 88.52% 3.68%
Upper Limit =_> 90.00% 3.74%
Therefore, SA / DA required for this configuration = 3.68%
Use 3.74% as a conservative estimate.
Pond Surface Area Required =_>
Pond SA Required = 34587 SF
Pond SA Provided = 36408 SF OK
Wetland #2
Water Oualitv Pond Desisn Sheet
Project Name: Burlington Commercial
Designed By: R. E.Jimenez Jr., EI
Checked By: B.R. Finch, PE
Job Number: ARC-03010
Date: 2/24/2004
Average Incremental Accumulated Estimated
Contour Contour Contour Contour Stage
Contour Stage Area Area Volume Volume w/ S-S Fxn
(feet) (feet) (SF) (SF) (CF) (CF) (feet)
623.0 0.0 36408
624.0 1.0 38419 37414 37414 37414 1.00
626.0 3.0 42515 40467 80934 118348 2.97
628.0 5.0 46731 44623 89246 207594 5.04
250000
200000
tLL
i 150000
m
m
m
$100000
fn
50000
0
Storage vs. Stage
Y= 37277x1.1121
R2 = 0.9999
i
0.0 1.0 2.0 3.0 4.0 5.0 6.0
Stage (feet)
Ks= 37277
b = 1.0621
Calculation of Runoff Volume required for storage
The runoff to the pond for the I" storm detention requirement is calculated using the SCS curve
number method. Impervious areas that directly enter the pond are counted as Directly Connected
Impervious Areas (DCIAs). No infiltration calculation will be provided for these areas. Areas
not directly connected will be accounted for in a composite curve number.
Using basic SCS runoff methodology, with no adj
to initial abstractions (0.2*S and 0.8*S).
Impervious Area, directly connected (DCIA) _
@ CN
Other areas draining to pond (not DCIA) =
@ CN
ustments made
18.79 acres
98
2.44 acres
80
Wetland #2
Total Drainage : 21.23
Page 1
Runoff from DCIAs -
Precipitation amount = 1.0 inches
S = 0.204 inches (calculated)
Q* = 0.791 inches (calculated)
Runoff volume = 53946 CF
Runoff from non-connected areas ==>
Precipitation amount = 1.0 inches
S = 2.500 inches (calculated)
Q* = 0.083 inches (calculated)
Runoff volume = 738 CF
Therefore, total runoff from precipitation in question = 54684 CF
This amount of runoff must be stored in the pond above normal pool elevation,
and be released in a period of two (2) to five (5) days, by an inverted PVC
siphon, the invert end of which is set at permanent pool elevation.
Calculation of depth required for runoff storage pool (above normal pool)
Normal pool depth (above invert) = 0.00 feet
Storage provided at permanent pool depth = 0 CF (calculated)
Total storage required for normal + storage pool = 54684 CF
Stage (above invert) associated with this storage = 1.43 feet
Therefore, depth required above normal pool for storm storage = 1.43 feet
17.21 inches
Therefore set crest of principal spillway at stage = 1.45 feet
and EL = 624.45 feet
At principal spillway crest, storm pool storage provided = 55313 CF
Wetland #2 Page 2
Type.... Composite Rating Curve
Name.... Wetland #2
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
***** COMPOSITE OUTFLOW SUMMARY ****
WS Elev, Total Q Notes
-------- -------- ------ -- Converge ------- ------------------
Elev. Q TW El ev Error
ft cfs ft +/-ft
- Contributing Structures
---
----
-----------------
--------
623.00 -------
.00 ------
Free -- ----
Outfall -
(no Q: -
RIBA)
623.20 .00 Free Outfall (no Q: RI,BA)
623.40 .00 Free Outfall (no Q: RIBA)
623.60 .00 Free Outfall (no Q: RIBA)
623.80 .00 Free Outfall (no Q: RI,BA)
624.00 .00 Free Outfall (no Q: RI,BA)
624.20 .00 Free Outfall (no Q: RI,BA)
624.40 .00 Free Outfall (no Q: RIBA)
624.45 .00 Free Outfall (no Q: RI,BA)
624.60 2.19 Free Outfall RI,BA
624.80 7.81 Free Outfall RI,BA
625.00 15.38 Free Outfall RI,BA
625.20 24.49 Free Outfall RIBA
625.40 34.91 Free Outfall RIBA
625.60 46.49 Free Outfall RIBA
625.80 69.32 Free Outfall RI,BA
626.00 71.11 Free Outfall RIBA
626.20 72.85 Free Outfall RIBA
626.40 74.55 Free Outfall RI,BA
626.60 76.22 Free Outfall RI,BA
626.80 77.84 Free Outfall RI,BA
627.00 79.44 Free Outfall RIBA
627.20 81.01 Free Outfall RIBA
627.40 82.54 Free Outfall RI,BA
627.60 84.05 Free Outfall RI,BA
627.80 85.53 Free Outfall RIBA
628.00 86.99 Free Outfall RIBA
Page 1.01
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 4:48 PM Date: 3/10/2004
Type.... Outlet Input Data
Name.... Wetland #2
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = TW
Structure Type = TW SETUP, DS Channel
------------------------------------
FREE OUTFALL CONDITIONS SPECIFIED
CONVERGENCE TOLERANCES ...
Maximum Iterations= 30
Min. TW tolerance = .01 ft
Max. TW tolerance = .01 ft
Min. HW tolerance = .01 ft
Max. HW tolerance = .01 ft
Min. Q tolerance = .10 cfs
Max. Q tolerance = .10 cfs
Page 1.04
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 4:48 PM Date: 3/10/2004
Type.... Outlet Input Data Page 1.01
Name.... Wetland #2
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
REQUESTED POND WS ELEVATIONS:
Min. Elev.= 623.00 ft
Increment = .20 ft
Max. Elev.= 628.00 ft
OUTLET CONNECTIVITY
---> Forward Flow Only (UpStream to DnStream)
<--- Reverse Flow Only (DnStream to UpStream)
<---> Forward and Reverse Both Allowed
Structure No. Outfall E1, ft E2, ft
----------------- ---- ------- --------- ---------
Stand Pipe RI ---> BA 624.450 628.000
Culvert-Circular BA ---> TW 620.000 628.000
TW SETUP, DS Channel
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 4:48 PM Date: 3/10/2004
Type.... Outlet Input Data
Name.... Wetland #2
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = BA
Structure Type
----------------- = Culvert-Circular
---
-------
-

No. Barrels -
-
= 1 ------
Barrel Diameter = 3.0000 ft
Upstream Invert = 620.00 ft
Dnstream Invert = 618.50 ft
Horiz. Length = 60.00 ft
Barrel Length = 60.02 ft
Barrel Slope = .02500 ft/ft
OUTLET CONTROL DATA...
Mannings n = .0130
Ke = .5000
Kb = .007228
Kr = 5000
HW Convergence = .001
INLET CONTROL DATA...
Equation form = 1
Inlet Control K = .0098
Inlet Control M = 2.0000
Inlet Control c = .03980
Inlet Control Y = .6700
T1 ratio (HW/D) = 1.148
T2 ratio (HW/D) = 1.294
Slope Factor = -.500
Page 1.03
(forward entrance loss)
(per ft of full flow)
(reverse entrance loss)
+/- ft
Use unsubmerged inlet control Form 1 equ. below T1 elev.
Use submerged inlet control Form 1 equ. above T2 elev.
In transition zone between unsubmerged and submerged inlet control,
interpolate between flows at T1 & T2...
At T1 Elev = 623.44 ft ---> Flow = 42.85 cfs
At T2 Elev = 623.88 ft ---> Flow = 48.97 cfs
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 4:48 PM Date: 3/10/2004
Type.... Outlet Input Data Page 1.02
Name.... Wetland #2
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., El
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = RI
Structure Type = Stand Pipe
--
-
-
--
------
-----------------
# of Openings ----
-
-
-
= 1
Invert Elev. = 624.45 ft
Diameter = 4.0000 ft
Orifice Area = 12.5664 sq.ft
Orifice Coeff. _ .600
Weir Length = 12.57 ft
Weir Coeff. = 3.000
K, Submerged = .000
K, Reverse = 1.000
Kb,Barrel = .000000 (per ft of full flow)
Barrel Length = .00 ft
Mannings n = .0000
SIN: 621701207003 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 4:48 PM Date: 3/10/2004
Burlington Commercial STAGE-STORAGE FUNCTION R.E.Jimenez Jr.,EI
ARC-03010 3/10/2004
Stage - Storage Function
Ks = 37277
b= 1.0621
Zo = 623
Elevation Storage Outflow Storage
[feet) [acre-feet) [cfs] [cf]
623 0.000 0 0
623.2 0.155 0 6746
623.4 0.323 0 14086
623.6 0.497 0 21668
623.8 0.675 0 29411
624 0.856 0 37277
624.2 1.039 0 45242
624.4 1.223 0 53290
624.6 1.410 2.19 61410
624.8 1.598 7.81 69593
625 1.787 15.38 77833
625.2 1.977 24.49 86125
625.4 2.169 34.91 94463
625.6 2.361 46.49 102845
625.8 2.554 69.32 111267
626 2.749 71.11 119727
626.2 2.944 72.85 128221
626.4 3.139 74.55 136749
626.6 3.336 76.22 145308
626.8 3.533 77.84 153897
627 3.731 79.44 162513
627.2 3.929 81.01 171157
627.4 4.128 82.54 179826
627.6 4.328 84.05 188519
627.8 4.528 85.53 197236
628 4.729 86.99 205976
Wetland 2 (Above NWSE) cont
HEC-HMS
AWetland #2
Project: ARC-03010
Basin Model: TO
HMS * Summary of Results
Project : ARC-03010 Run Name : #2 100
Start of Run 15Feb04 0000 Basin Model TO WETLAND#2
End of Run 15Feb04 2400 Met. Model 100 YEAR #2
Execution Time 1OMar04 1652 Control Specs Control 1
Hydrologic Discharge Time of Volume Drainage
Element Peak Peak (ac Area
(cfs) ft) (sq mi)
to Wetland #2 162.80 15 Feb 04 1207 11.879 0.033
Wetland #2 79.213 15 Feb 04 1218 10.534 0.033
HMS * Summary of Results for Wetland #2
Project : ARC-03010
Start of Run 15Feb04 0000
End of Run 15Feb04 2400
Execution Time 1OMar04 1652
Run Name : #2 100
Basin Model TO WETLAND#2
Met. Model 100 YEAR #2
Control Specs Control 1
Computed Results
Peak Inflow 162.80 (cfs) Date/Time of Peak Inflow 15 Feb 04 1207
Peak Outflow 79.213 (cfs) Date/Time of Peak Outflow 15 Feb 04 1218
Total Inflow 6.71 (in) Peak Storage 3.7029(ac-ft)
Total Outflow 5.95 (in) Peak Elevation 626.97(ft)
EXTENDED DETENTION WETLAND #3
ARC-03010
BURLINGTON COMMERCIAL
ARC-03010
I. POST-DEVELOPMENT
==>Hydrologic Soil Group "D" curve numbers were used as a conservative estimate.
Both wooded and open areas were assumed to be in good condition.
Cover Description SCS CN - HSG D Comments
Impervious 98
Open/Grassy Areas 80 Assume good condition (> 75% grass)
R.E. JIMENEZ JR., El
WETLAND 93: POST-DEVELOPMENT CALCULATIONS
1. Watershed Composition: Total Onsite Drainage: 6.81 Acres
Main Lots: 6.81
Outparcels: 0
Main Lot Impervious: 6.13 Acres (assuming 90% impervious)
Outparcel Impervious: 0.00 Acres (assuming 80% impervious)
Total Impervious: 6.13
Main Lot Open: 0.68
Outparcel Open: 0.00
Total Open: 0.68
Total Offsite Drainage: 0 Acres
Offsite Impervious: 0.00 Acres (assuming 80% impervious)
Offsite Open: 0.00
Cover Description Area acres
Onsite Impervious 6.13
Onsite Open 0.68
Offsite Impervious 0.00
Offsite Open 0.00
Total = 6.81 Acres
0.01064 Sq. Miles
Composite SCS CN = 96
TOTAL TRAVEL TIME = 7.00 MINUTES
SCS LAG TIME = 4.20 MINUTES (EST)
WQ Pond Surface Area Requirements
Project Name:
Job Number:
Designed By:
Checked By:
Date:
Pond Drainage Area Description ==>
Burlington Commercial
ARC-03010
R.E.Jimenez Jr., El
B.R. Finch, PE
2/24/2004
Outparcel Drainage Area: 0.00 acres
Remaining Drainage Area: 6.81 acres
Total DA = 6.81 acres
Directly Connected Impervious Area :
Outparcels:
Remainder:
Total:
DA % impervious =
SA / DA ratio calculations ==>
@
0.00 acres
6.13 acres
6.13 acres
90.00%
Ultimate Depth of pond =
SA / DA ratios for drainage areas and depth (NCDEHNR, 1995):
80%
90%
Other Area Draining to Pond (Not DCIA):
Outparcels: 0.00 acres
Remainder: 0.68 acres
Total: 0.68 acres
3.00 feet
3.00
Lower Limit =_> 80.00% 3.36%
CalcV value =_> 90.00% 3.74%
Upper Limit =_> 90.00% 3.74%
Therefore, SA / DA required for this configuration = 3.74%
Pond Surface Area Required ==>
Pond SA Required = 11094 SF
Pond SA Provided = 13210 SF OK
Wetland #3
Water Oualitv Pond Desien Sheet
Project Name: Burlington Commercial
Designed By: R.E.Jimenez Jr., El
Checked By: B.R. Finch, PE
Job Number: ARC-03010
Date: 2/24/2004
Average Incremental Accumulated Estimated
Contour Contour Contour Contour Stage
Contour Stage Area Area Volume Volume w/ S-S Fxn
(feet) (feet) (SF) (SF) (CF) (CF) (feet)
635.0 0.0 13210
636.0 1.0 14599 13 905 13905 13905 1.00
637.0 2.0 16045 15322 15322 29227 1.99
638.0 3.0 17548 16797 16797 46023 3.01
50000
45000
40000
35000
30000
25000
20000
I
15000
10000
5000
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
Ks = 13863
b = 1.0876
Calculation of Runoff Volume required for storage
The runoff to the pond for the 1 " storm detention requirement is calculated using the SCS curve
number method. Impervious areas that directly enter the pond are counted as Directly Connected
Impervious Areas (DCIAs). No infiltration calculation will be provided for these areas: Areas
not directly connected will be accounted for in a composite curve number.
Using basic SCS runoff methodology, with no adjust
to initial abstractions (0.2*S and 0.8*S).
Impervious Area, directly connected (DCIA) _
@CN=
Other areas draining to pond (not DCIA) =
@CN=
ments made
6.13 acres Total Drainage : 6.81
98
0.68 acres
80
Wetland #3
Page 1
Runoff from DCIAs =>
Precipitation amount = 1.0 inches
S = 0.204 inches (calculated)
Q* = 0.791 inches (calculated)
Runoff volume = 17599 CF
Runoff from non-connected areas =_>
Precipitation amount = 1.0 inches
S = 2.500 inches (calculated)
Q* = 0.083 inches (calculated)
Runoff volume = 206 CF
Therefore, total runoff from precipitation in question = 17805 CF
This amount of runoff must be stored in the pond above normal pool elevation,
and be released in a period of two (2) to five (5) days, by an inverted PVC
siphon, the invert end of which is set at permanent pool elevation.
Calculation of depth required for runoff storage pool (above normal pool)
Normal pool depth (above invert) = 0.00 feet
Storage provided at permanent pool depth = 0 CF (calculated)
Total storage required for normal + storage pool = 17805 CF
Stage (above invert) associated with this storage = 1.26 feet
Therefore, depth required above normal pool for storm storage = 1.26 feet
15.10 inches
Therefore set crest of principal spillway at stage = 1.30 feet
and EL = 636.30 feet
At principal spillway crest, storm pool storage provided = 18441 CF
Wetland #3 Page 2
Type.... Composite Rating Curve
Name.... Wetland #3
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
***** COMPOSITE OUTFLOW SUMMARY ****
WS Elev, Total Q
Elev. Q
ft cfs
--------
635.00 -------
.00
635.20 .00
635.40 .00
635.60 .00
635.80 .00
636.00 .00
636.20 .00
636.30 .00
636.40 1.19
636.60 6.19
636.80 13.33
637.00 17.83
637.20 29.00
637.40 49.05
637.60 74.87
637.80 105.37
638.00 139.91
SIN: 6217012070C3
PondPack Ver. 8.0058
Notes
------ -- Converge -------------------------
TW El ev Error
ft +/-ft Contributing Structures
------
Free -- -----
Outfall --------------------------
(no Q: ES,RI,BA)
Free Outfall (no Q: ES,RI,BA)
Free Outfall (no Q: ES,RI,BA)
Free Outfall (no Q: ES,RI,BA)
Free Outfall (no Q: ES,RI,BA)
Free Outfall (no Q: ES,RI,BA)
Free Outfall (no Q: ES,RI,BA)
Free Outfall (no Q: ES,RI,BA)
Free Outfall RIBA (no Q: ES)
Free Outfall RIBA (no Q: ES)
Free Outfall RIBA (no Q: ES)
Free Outfall RIBA (no Q: ES)
Free Outfall ES,RI,BA
Free Outfall ES,RI,BA
Free Outfall ES,RI,BA
Free Outfall ES,RI,BA
Free Outfall ES,RI,BA
Page 1.01
The John R. McAdams Company
Time: 5:19 PM Date: 3/10/2004
Type.... Outlet Input Data Page 1.01
Name.... Wetland #3
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
REQUESTED POND WS ELEVATIONS:
Min. Elev.= 635.00 ft
Increment = .20 ft
Max. Elev.= 638.00 ft
OUTLET CONNECTIVITY
---> Forward Flow Only (UpStream to DnStream)
<--- Reverse Flow Only (DnStream to UpStream)
< --- > Forward and Reverse Both Allowed
Structure No. Outfall E1, ft E2, ft
Weir-Rectangular ES ---> TW 637.000 638.000
Stand Pipe RI ---> BA 636.300 638.000
Culvert-Circular BA ---> TW 632.000 638.000
TW SETUP, DS Channel
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 5:19 PM Date: 3/10/2004
Type.... Outlet Input Data
Name.... Wetland #3
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID
Structure Type
--------------
# of Openings
Crest Elev.
Weir Length
Weir Coeff.
ES
Weir-Rectangular
----------------
1
637.00 ft
40.00 ft
3.000000
Weir TW effects (Use adjustment equation)
Page 1.02
Structure ID = RI
Structure Type
----------------- = Stand Pipe
-------------
------
# of Openings = 1
Invert Elev. = 636.30 ft
Diameter = 4.0000 ft
Orifice Area = 12.5664 sq.ft
Orifice Coeff. _ .600
Weir Length = 12.57 ft
Weir Coeff. = 3.000
K, Submerged = .000
K, Reverse = 1.000
Kb,Barrel = .000000 (per ft of full flow)
Barrel Length = .00 ft
Mannings n = .0000
SIN: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 5:19 PM Date: 3/10/2004
Type.... Outlet Input Data
Name.... Wetland #3
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = BA
Structure Type
------------------ = Culvert-Circular
------------------
No. Barrels = 1
Barrel Diameter = 1.5000 ft
Upstream Invert = 632.00 ft
Dnstream Invert = 628.00 ft
Horiz. Length = 53.00 ft
Barrel Length = 53.15 ft
Barrel Slope = .07547 ft/ft
OUTLET CONTROL DATA...
Mannings n = .0130
Ke = .5000
Kb = .018213
Kr = 5000
HW Convergence = .001
INLET CONTROL DATA...
Equation form = 1
Inlet Control K = .0098
Inlet Control M = 2.0000
Inlet Control c = .03980
Inlet Control Y = .6700
T1 ratio (HW/D) = 1.122
T2 ratio (HW/D) = 1.269
Slope Factor = -.500
Page 1.03
(forward entrance loss)
(per ft of full flow)
(reverse entrance loss)
+/- ft
Use unsubmerged inlet control Form 1 equ. below T1 elev.
Use submerged inlet control Form 1 equ. above T2 elev.
In transition zone between unsubmerged and submerged inlet control,
interpolate between flows at T1 & T2...
At T1 Elev = 633.68 ft ---> Flow = 7.58 cfs
At T2 Elev = 633.90 ft ---> Flow = 8.66 cfs
S/N: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 5:19 PM Date: 3/10/2004
Type.... Outlet Input Data
Name.... Wetland #3
File.... X:\Projects\ARC\ARC-03010\Storm\RAF\BURLINGTON.PPW
Title... Project Date: 2/25/2004
Project Engineer: Rafael E. Jimenez Jr., EI
Project Title: ARC-03010
Project Comments:
OUTLET STRUCTURE INPUT DATA
Structure ID = TW
Structure Type = TW SETUP, DS Channel
------------------------------------
FREE OUTFALL CONDITIONS SPECIFIED
CONVERGENCE TOLERANCES ...
Maximum Iterations= 30
Min. TW tolerance = .01 ft
Max. TW tolerance = .01 ft
Min. HW tolerance = .01 ft
Max. HW tolerance = .01 ft
Min. Q tolerance = .10 cfs
Max. Q tolerance = 10 cfs
Page 1.04
S/N: 6217012070C3 The John R. McAdams Company
PondPack Ver. 8.0058 Time: 5:19 PM Date: 3/10/2004
Burlington Commercial STAGE-STORAGE FUNCTION R.E.Jimenez Jr.,EI
ARC-03010 3/10/2004
Stage - Storage Function
Ks= 13863
b = 1.0876
Zo = 635
Elevation Storage Outflow Storage
[feet] [acre-feet] [cfs] [cq
635 0.000 0 0
635.2 0.055 0 2408
635.4 0.117 0 5117
635.6 0.183 0 7954
635.8 0.250 0 10876
636 0.318 0 13863
636.2 0.388 0 16903
636.4 0.459 1.19 19989
636.6 0.531 6.19 23113
636.8 0.603 13.33 26272
637 0.676 17.83 29462
637.2 0.750 29 32680
637.4 0.825 49.05 35923
637.6 0.900 74.87 39191
637.8 0.975 105.37 42480
638 1.051 139.91 45790
Wetland 3 (Above NWSE) cont
HEC-HMS
A Wetland #3
Project: ARC-03010
Basin Model: TO
HMS * Summary of Results for Wetland #3
Project : ARC-03010
Start of Run 15Feb04 0000
End of Run 15Feb04 2400
Execution Time 10Mar04 1731
Run Name : #3 100
Basin Model TO WETLAND#3
Met. Model 100 YEAR #3
Control Specs Control 1
Computed Results
Peak Inflow 57.229 (cfs) Date/Time of Peak Inflow 15 Feb 04 1205
Peak outflow 51.453 (cfs) Date/Time of Peak Outflow 15 Feb 04 1208
Total Inflow 6.72 (in) Peak Storage 0.83198(ac-ft)
Total Outflow 5.99 (in) Peak Elevation 637.42(ft)
HMS * Summary of Results
Project : ARC-03010 Run Name : #3 100
Start of Run 15Feb04 0000 Basin Model TO WETLAND#3
End of Run 15Feb04 2400 Met. Model 100 YEAR #3
Execution Time lOMar04 1731 Control Specs Control 1
Hydrologic Discharge Time of Volume Drainage
Element Peak Peak (ac Area
(cfs) ft) (sq mi)
To Wetland #3 57.229 15 Feb 04 1205 3.8118 0.011
Wetland #3 51.453 15 Feb 04 1208 3.3973 0.011
0,3/29/2004 08:35 FAX [phone] JOHN R MCADAMS
DWQ Project No.
DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET'S WETLAND WORKSHEET
IM 002/010
1. PROJECT INFORMATION (please complete the following information).
Project Name : Burlington Commercial _
Contact Person: Rafael Jimenez, El Phone Number [phone] _
For projects with multiple basins, specify which basin this worksheet applies to: Extended detention wetland L
Permanent Pool Elevation 635.00 ft. (elevation of the orifice invert out)
Temporary Pool Elevation 636.40 ft (elevation of the outlet structure invert in)
Permanent Pod Surface Area 34,976 sq. ft. (water surface area at permanent pool elevation)
Drainage Area 20.12 ac. (on-site and off-site drainage to the basin)
Impervious Area 17.47 at. (on-site and o"te drainage to the basin)
Forebay Surface Area sq. ft. (at permanent pod elevation approximately 160/*)'
Marsh 0'-9' Surface Area 12,247 _ sq. & (at permanent pod elevation approximately 35%)'
Marsh 9'-1 B' Surface Area 12-243 sq. It (at permanent pool elevation approxiffMy 350h)'
Micro Pod Surface Area 5.244 sq. ft. (at permanent pool elevation approximately 15%)`
Temporary Pool Volume 51,798 cu. ft. (volume detained on top of the permanent pod)
SAIDA used 3.74 % , (surface area to drainage area ratio)'
Diameter of Orifice 3 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 documenlation is attached. if a
mqukement 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
A n s itials WETLANDS /
The temporary-pool controls runoff from the 1 inch rain. 401 GROUP
The basin side slopes are no steeper than 3:1.
A planting plan for the marsh areas with plant species and densities is provided.
Vegetation above the permanent pod elevation is specified. APR 2 :2004
An emergency drain is provided to drain the basin. WATER
The temporary pod draws down in 2 to 5 days. QUALITY SECTION
Sediment storage is provided in the permanent pool.
A sediment disposal area is provided.
Access is provided for maintenance.
A site spa c, signed and notarized operation aril maintenance agreement is provided.
The drainage area (including any offsb area) is delineated on a site plan.
Access is provided for maintenance,
Plan details for the wetland are provided.
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
htip:llh2o.ehnrstate.nc.uslncwedandsloandm.doc),
' Pocket Wetlands have different design parameters and are only assumed to remove 35%TS8 - See pp. 19 and 20 of the NC DENR
Stormwater BMP Manual, April 1999.10% open water, 50% high marsh, 40% low marsh.
03/29/2004 08:36 FAX [phone] JOHN R MCADAMS la 003/010
M ?
VEfi [WETLAND] DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
[Wetland maintenance wording is bracketed. Please modify the document as appropriate.]
Theme [wetland] detention basin system is defined as the wit [wetland] detention basin, pretreatment
including forebays and the vegetated filter if one is provided.
Maintenance activities shall be performed as follows:
7. After every significant runoff producing rainfall event and at least monthly:
a. Inspect the Vet1wedand) 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, rlprap, etc.) quarterly to
maintain proper functioning.
4. Remove accumulated sediment from the f0t [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 ywM [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 f, FU 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 -7, ?d-T feet in the forebay [and micro-pool), the sediment shall
be removed.
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation
Sediment movai EI.63N 75%
-------------- - Sediment Removal Elevation 673.87-r 175%
Bottom Elevation eYd-S
FOREBAY MAIN POND
Page 1 oft
1=4
03/29/2004 08:36 FAX [phone] JOHN R MCADAMS IM 004/010
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: I iia 2CLIUQ-
file: r?s - t'? r,-vefy r''
Address: La/
Phone. q 7 7
Signature: -
Date: -a o
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.
1. /low , a Notary Public for the State of j IV- .
County of , do hereby certify that
personally appeared before me this ` day of ,AQ0 j and acknowledge the due
execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and
official seal,
;d v%OTi?q? , G
s
G AU8 0
./1U-

SEAL
My commission expires 12 jZD ( b 4
Page 2 of 2
03/29/2004 08:36 FAX [phone] JOHN R MCADAMS
DWQ Project No.
DIVISION OF WATER QUALITY - 401 EXTENDED DETENTION (and POCKET') WETLAND WORKSHEET
im 005/010
1. PROJECT INFORMATION (please complete the following information):
Project Name; Berlins on Corn "erci°t
Contact Person: Phone Number. (9191 RR1-5000
For projects with multiple basins. specify which basin this worksheet applies to: Extended detention wetland:,#2
Permanent Pool Elevation 623.00 IL (elevation of the orifice invert out)
Temporary Pool Elevation 62J, 45 ft. (elevation of the outlet structure tmrert in)
Permanent Pod Surface Area 36 , 408 sq. IL (water surface area at permanent pod elevation)
Drainage Area M. 23 _ ac. (on-site and off-site drainage to the basin)
impervious Area 18.79 ac. (on-site and off-site drainage to 8re basin)
Forebay Surface Area -5 472 sq. ft. (at permanent pool elevation approximately 15?e)"
Marsh 0"-9" Surface Area 11,830 _ sq. 0. (at permanent pool elevation approximately 35%Y
Marsh 9"-118' Surface Area 12.641 sq. IL (at permanent pool elevation approximately 35%)"
MIKm Pod Surface Area 5 , 465 _ sq. A. (at permanent pool elevation approximately 159'0)"
Temporary Pool Volume 55,313 ._ . cu. ft. (volume detained on top of the permanent pod)

SAIDA used 3.74% (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 attaclied. If a
r'equireftnt has not been met, allsch 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
The temporarypool controls runoff from the in rain.
The basin side slopes are no steeper than 3:1.
W'Z A planting plan for the marsh areas with plant species and densities is provided.
Vegetation above the permanent pod elevation is specified.
An emergency drain is provided to drain the basin.
The temporary pool draws down in 2 to 5 days.
Sediment storage is provided in the permanent pod,
sedhent 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 ofsite area) is delineated on a site plan.
Access is provided for maintenance.
Plan details for the Welland are provided.
Plan details for the inlet and outlet are provided.
A site specific operation and maintenance agreement, signed and notarized by the responsible parry is provided (see
http,/Ih2o.ehnr.state.ric.usloc"Oandsloandm.doe).
" Pocket Wellands 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, 409A low marsh.
0-0
03/29/2004 08:37 FAX [phone] JOHN R MCADAMS IAOOG/010
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:
1. 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 covet, 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, dprmp, 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 /. f7 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 3. 75 feet in the forebay [and micro-pool], the sediment shall
be removed.
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation "3.
Sediment t-on,---U--, .U.7 7510
---- -- Sediment Removal Elevation La/ Iflt 175%
Bottom
FOREBAY MAIN POND
Page I of 2
r
&8'A
03/29/2004 08:37 FAX [phone] JOHN R MCADAMS IM 007/010
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.
A
Print name:
4 vi L Ise la
a7U ?
A VC_
Address:
Phone. l5 Q787
Signature:
Date: a
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.
0 a Notary Public for the State of " vo .
County of do hereby certify that ZLhav&
personally appeared before me this 24 day of 122aLLA __ , and acknowledge the due
execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and
official seal,
M?„°s°p°• C.f?VJ?
-n
,"••?„?'"? ? /'?°a'???•°? x,44
C0,u era

SERI.
My commission expires 121?e o
Pagc 2 oft
03/29/2004 08:37 FAX [phone] JOHN R MCADAMS
DWQ Project No.__., .
DIVISION OF WATER QUALITY - 401 UTCNOED DETENTION (and POCKET') WETLAND WORKSHEET
Im 008/010
1. PROJECT INFORMATION (please complete the lollowing information):
Project Name ; n Commercial
ConlactPerson, Rafaai Jimenez. ET _Phone Number. i4l! Q) RAI -511f)(1
For projects with multiple basins, specify which basin (his worksheet applies to, Extended cletpnti_on wetland #3__
Permanent Pool Elevation 635.00 ft. (elevation of the orifice invert out)
Temporary Pool Elevation 636.30 ft. (elevation of the outlet structure invert in)
Permanent Pod Surface Area 13,210 sq. ft, (water surface area at pemanent pod elevation)
Drainage Area _6.81 ac. (on-stte and off-site drainage to the basin)
Impervious Area 6.13 ac. (on-site and off-site drainage to the basin)
Forebay Surface Area 1-991 sq. ft. (at permanent pool elevation approximately 1579)'
Marsh 0"g" Surface Area 4,644 sq. ft. (at permanent pool elevation approximately 35% r
Marsh T-18' Surface Area A, fin] sq. ft. (at permanent pool elevation approzkttatey 3590)'
Micro Pool Surface Area 1 98 4 sq. IL (at permanent pod elevation approximately 15%)'
Temporary Pool Volume 18.441 cu. ft. (volume detained on top of the permanent pooq
SAIDA used 3.74% (surface area to drainage area ratio)'
Diameter of Orifice 3 , 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
requirwrwl has nol been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each SMP, 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 resull in a request For
additional information and will substantialty delay final review and approval of the project
The tempormry.pod controls runoff from the 1 inch rain,
-The basin side slopes are no steeper than 3:1.
A planting plan for the marsh areas wilh plant species and densities is provided,
Vegetation above the permanent pod elevation is specified.
An emergency drain is provided to drain the basin.
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.
Access is provided for maintenance.
Plan details for the welland are provided.
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
htip:l)h2o.ehnr.state.nc.uslncmflancWoandm.doe).
` Pocket Wetlands have different design parameters and are only assumed to remove 351/o TSS - See pp. 19 and 20 of the NC DENR
Storrnwater BMP Manual, April 1999.10% open water, 50% high marsh, 40% low marsh.
03/29/2004 08:38 FAX [phone] JOHN R MCADAMS 1a009/010
WET [WETLAND] DETENTION BASIN OPERATION AND MAINTENANCE AGREEMENT
[Wetland maintenance wording Is bracketed. Please modify the document as appropriate.]
The wet [wetlandl 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:
1. 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 dear 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, reseed 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, dpmp, 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 /, fr73' 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 shell 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 sal should be spread over the marsh surface. The soil should not be stockpiipd
for more than two weeks.]
When the permanent pool depth reads T, TS feet in the forebay [and micro-pool], the sediment shall
be removed.
BASIN DIAGRAM
(fill in the blanks)
Permanent Pool Elevation
Sediment moval El. - d,1r'- 75%
--------- Sediment Removal Elevation 03. VY 75°/a
---------------------------------?___?_?+--- -----
Bottam vatbn 63a, o ? 50/0
-- - ? ---
FOREBAY MAIN POND
Page t of 2
19ca
03/29/2004 08:38 FAX [phone] JOHN R MCADAMS im 010/010

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.
I d1avc
Print name;
t' f? -4-v-e1gatr
Bile: Y S i ' -
.27(01L-
? IC-1 % a 5 AIL
C,
Address: "P,0.
Phone. 5 - 7
Signature.
Date: s h?
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.
I,4 a Notary Public for the State of _0,,
County of do hereby certify that ^ 17 t'(1ita?c( E 1&4-;k
personally appeared before me this - day of 122&jL. , _ , and acknowledge the due
execution of the forgoing wet [wetland] detention basin maintenance requirements. Witness my hand and
official seal,
. ;rcpOct
vli4 01. ?r?aJ
r?
ry iJ, ? O
M
• ti

SEAL
1Z 6/ 07
My commission expires 2/
Pap 2 of 2
1W
INITIAL INTEREST IN PARTICIPATION IN THE EXPRESS PERMITTING PROGRAM
FOR THE 401 WATER QUALITY CERTIFICATION,
ISOLATED WETLAND PERMITTING
OR STREAM ORIGIN DETERMINATION PROGRAMS
February 25, 2000
56-15,
Version 2
Applicant Name: w A KC r i u (,D r155 nC I TS S 1n1C, c/? R tc? 2vu?t;
Applicant Address: 2Sgo Pc.A l-A pr-ACg.0 6 vi 'f g- 10.5,
FALLI C-H QC Z7t i Z
Applicant's phone number: (11q) 7.31- 97x`7 Fax number: (q 19) 79q- 8715
Applicant's email address: RF_IZ%-A?cbFLD @ A0L-. Coi
Consultant Name (if applicable): Se It_ 4 C"yi+R aijyker i'AZ cops vt.'[A"13, PA (wENOEC( D\46Z6y)
Consultant address (if applicable): Z36 Lc PM IL(, I e cT 5 u i7E C
COIJCAi2-p? ?G Z$oZS
Consultant's phone number: C7u•+? -Mo- 1140S Fax number: (70Ai) 7U-1- 940
Consultant's email address: v-jaJ&aG,4 C s -?DEc, co.,.-
Type of action requested under the Express Review Program (check all that apply):
d 401 Water Quality Certification WEILMDg/ F k
401: ?tK1P
? Isolated Wetland Permit ; ,R
? Riparian Buffer Approval APR ?? 5`'2x04
? Stream Origin Determination WqR .
4U?1?' SEC
'
# of Determinations Requested
Name of Project: 5 t-i N G 'fo a Caw-W1F-NCi A L
Property size (acres) 45 County: &i-Avv,A^j r
Nearest named stream (from USGS topo map): 8 cF-EEk (1 - 19- 5? C ` 'Su l
Please provide a brief description of this project (attach site plan if available):
00iti 5-raVC'f1On1 of B?"1,1JGT01J C0my-EVX1AL P120J6cT. P(ZOPOSCO 1MV9ACTS
(ZEQVGS-tED 'PVE "To C0r)5-T2UC-ho,J OF )1'iF9A5-T"C-fo2E IOCL-uvir,)6r t3uic.fl?rv4S
O PPraV-inllr AR6R5,
Please attach a map of site location using USGS 1:24,000 map and county soil survey.
1
Location of project site - please include reference to the county, nearest name town and highway number:
15yILL4MG100_ 1?T6(L57F1"rE 85 -r-XYT 11}l t402_yH Z77J Huf`rv%AfJ tu&ttc.- V2.yA0
TJ Hw`( -70 ?e?+u2Gu jsf) GD LE,F`r L7 MtLI;S To 57. Y A'aK-S c?e?lLC?t RvAa.
mog-tj Lzrr='f P oPEe'rK APPt2 1- .75 :-iLLS oN F-1 CH T.
Proposed impacts: . N7 Acres of wetlands
, 0.2 Acres of isolated wetlands
8G ( Linear feet of streams
Linear feet of isolated streams
Q Square feet of protected stream buffers
Has consultant or applicant attended any DWQ-sponsored training sessions in the past two years? If so,
please list which ones. P.1TEtzwl 1-1Trwr 4 P646" i:Ai 57r,[-Am ?o r-c - 9w yiAri 13?;w-6L Avu- "r-4,
Which other environmental permits will be needed for this project? Please list them below:
JA -huowin_ c 0(-rz-II 30i - 56c-7ic-i 4K);4 APCAOvAL
Does this project require approval under the State Environmental Policy Act or National Environmental
Policy Act? rrio
Does this project require approval of a Variance from the NC Environmental Management Commission"
14 U
Are you aware of any local controversy concerning this project? If so, please describe the controversy and any
measures that have been taken with respect to public involvement.
This form must be submitted via email (c/o 401express ,ncmail.net), fax [phone]) or hand-delivered
(Parkview Building, 2321 Crabtree Blvd., Raleigh, NC 27604) within the first three (3) working days of the
month for the first three months of the Express Review Program (until January 1, 2004). Application
procedures after that time will be provided at a later date. Applicants who are selected to participate in the
Express Review Program will be notified via email or fax with one additional working day. Successful
applicants will then be instructed regarding detailed procedures for full application. Unsuccessful applicants
will be queried to determine if they want to be in the following month's selection process or whether they
want to follow the normal application process.
Please contact John Domey at 919-733-9646 if you have any questions regarding this form.
2
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a ,
LOCATION
LOCA7

PROPOSED
STORMWATER
POND

,r
.t
I ?
1•

1` O

I
.?`
1 1.24 AC.
•
D a 0
0 0 V 0---
a 8 ^(? 1.16 AC. -
Q o
0 0 rrZ _
O
O
r.
V OIIATEDI
S
/ O O O O O O
i/
0 0 0 0 0 0 0
;r/ °000000
'• / ?/ PROPOSED
ORMWA
// - - -POND
> I,
I I - HIGH'
------ - -- I TERSTATE
N
----- -- - ------- -- - -------
UJU
It
3
r/
y
? c

o?

---? - --?--- POND_ y -
4p & 5 _

o-.
fl
N #1
ATION #2

i
v
IC
I
C?9
?p s
%
1.22 AC. ,\• ` \• ?•.`?
.,
gas Ac. .' .;
IMPACT FT` FT` LINEAR FT. LINEAR FT.
LOCATION TYPE (CH AND JW) (IW) (CH ONLY) (CH' ONLY)
1 CH 1,296 - 559 -
CH* 576 - - 147
JW 1,202,__ - - - - -
2 CH 310 - 155 -
JW 92 - - -
3 JW 17,145 - - -
IW - 1,007 - -
TOTAL 20,621 FT2 1,007 FT 2 714 FT 147 FT
(0.47 AC) (0.02 AC)
(CH = CHANNEL; CW = IMPORTANT CHANNEL; JW = JURISDICTIONAL WETLANDS;
IW - ISOLATED WETLANDS)

y?
LOCATION
?-
x'==== NOTE: FLAG #'S ARE GENERAL
s I - -__- RANGES FOR LOCATING PURPOSES.
'?-'- ACTUAL IMPACT LOCATIONS ARE AS
IDENTIFIED ON EXHIBIT
A
d
U
z °
z
° a ? VN
x o ?-
E+ U
w
d°
U
a
w
oh o
z
?w
o?
a
o
O

O O O I
N 00
M B O
U
=
Q
ir
O
o Q
z
t 47

?
0. P. A
FLAG #511
IMPACT #3
IMPACTED CHANNEL
(202 LF FROM FLAG
#502-#511)
FLAG #60B
1
i?
IMPACT #7
IMPACTED LINEAR WETLANDS
(353 SF FROM FLAG
#287-#60B)
IMPACT #5
IMPACTED IMPORTANT CHANNEL
(94 LF FROM FLAG #280-#284)
FLAG #287
USACE IMPORTANCE
POINT (FLAG #284)
USACE IMPORTANCE
POINT (FLAG #502)
FLAG #282
IMPACT #2 FLAG #280
IMPACTED IMPORTANT CHANNEL
(53 LF FROM FLAG
#500-#502) --- -

FLAG #500
STREAM BUFFER
(TYP.)

IMPACT #1 1 I
IMPACTED WETLANDS I I
(117 SF FROM F 1 I
#280-#78A) I
1 I
I

IMPACT 1
TYPE FT LINEAR Ff.
(CH AND JW) (IW) (CH ONLY) I
LINEAR Ff.
(CHO ONLY)
_. ---1------- -- ? ---117- - - _ _ _- - _ _ _ _
2 CH• 106 - - 53
3 CH 404 - 202 -
4 JW 344 - - -
5 CHO 470 - - 94
6 - CH 892 - 357 -
7 JW 353 - - -
8 JW 388 - - -
TOTAL 3.074 FT 2 - 559 FT 147 FT
(0.07 AC)
(CH CHANNEL; CWO IMPORTANT CHANNEL;
JW ARSDICTIONAL WETLANDS; W -ISOLATED WETLANDS)
\4 IMPACT #6
® IMPACTED CHANNEL
(357 LF FROM FLA(
-v80-#w2Br
SS S SS - /1'i ?71 IMPACT' #4
/ IMPACTED
/ (344_ SF F
#282-#82
i
LOCATION

:::::?D ---
.NEL
FLAG
SS
IT #4
TED LINEAR WETLANDS
SF FROM FLAG
-#82A)
IN #1
® IMPACTED CHANNEL
¦ IMPACTED LINEAR
WETLANDS
FLAG #426
SS -\ SS
:::i\
FLAG #44B

/ IMPACT #8
IMPACTED LINEAR WETLANDS
(388 SF FROM FLAG
#428-#52A)
FLAG #527
SS ss ss ?s
1.09 A(

NOTE: FLAG #'S ARE GENERAL
RANGES FOR LOCATING PURPOSES.
ACTUAL IMPACT LOCATIONS ARE AS
IDENTIFIED ON EXHIBIT
__ 1 n/'A?IrNluf 1

°
Z zi
Z
ZZ
o NN
w?
xo
E- U: on

V O

w
URO
o?
w
o
- o = a
M o 'O? 0
O
U O
Q U ? M
? O
°z Q
d6
z
IMPACTED CHANNEL I I
I
IMPACTED LINEAR
WETLANDS
I /
I ?
I I I
I I I
cn I I
I ?
1 ?
?\ I
N
I \
?

I I I I
\
I \
N \ \
I ? \
I \
I ? \
I \ \
N \ \
I \ \
I \ \
/ I
NI \
N ?
I. \
\ I
/ I
/ FLAG #400
I
/ I 1
1 I
5? / 1 I
IMPACT TYPE FT` FT` LINEAR FT. LINEAR FT.
(CH AND JW) (IW) (CH ONLY) (CHs ONLY,
1 JW 92 - - -
2 CH 310 - 155 -
TOTAL 402 FT 2 - 155 FT -
(0.01 AC)
(CH - CHANNEL; CW' - IMPORTANT CHANNEL;
JW = JURISDICTIONAL WETLANDS; IW = ISOLATED WETLANDS)
FLAG #402

LOCATION
A
z °
0.4
.Z a a
0- a
H U ?n
00
FLAG # 410
IMPACT #1 ?•/
IMPACTED LINEAR WETLANDS
(92 SF FROM FLAG #409-#410)
IMPACT #2 a
IMPACTED CHANNEL u x
(155 LF FROM FLAG #402-#409) (f1
O go
H
w?
FLAG #407
Q z
f?k
Fc
r--II
W
0
0
_ ? ° ? olo
? o u o
0 o
a ? o
a
NOTE: FLAG #'S ARE GENERAL s
.{?.? RANGES FOR LOCATING PURPOSES. 0
TT ACTUAL IMPACT LOCATIONS ARE AS
IDENTIFIED ON EXHIBIT &cADAMS
FT2
IMPACT TYPE (CH AND JW) FT2 LINEAR FT. LINEAR FT.
(IW) (CH ONLY) (CH- ONLY)
1 JW 13,530 - - -
2 JW 3,615 - - -
3 IW - 1,007 - -
TOTAL 17,145 FT2 1,007 FT 2 - -
(0.39 AC) (0.02 AC)
(CH - CHANNEL; CW' s IMPORTANT CHANNEL.;
JW - JURISDICTIONAL WETLANDS; IW - ISOLATED WETLANDS)

o1
O IMPACT #3
ISOLATED WE
E
(1,007 SF F
0!0 FLAG #600-
0
O
O
O
O
FLAG #G23
FLAG #G10
O
FLAG #G14
D
FLAG #16B
D
FLAG # 13B

#109
FL,
=LAG #07A
PROPOSED
STORMWATER
POND
' \-UNDISTURBED WETLAN
(FLAG #01A-#01B)
FLAG #02A
0oooooc?:,
1.32 AC.
FTLANDS
=ROM
-#607)
0
FLAG #603

' ---FLAG 1607
FLAG #600
FLAG #G19
,,, ",oooooo4c?.

/ IMPACT #2
IMPACTED WETLANDS
(3,615 SF FROM
FLAG #G10-#G23)
0
AG #13A
IMPACT #1
IMPACTED WETLANDS
(13,530 SF FROM
FLAG #109-#09A)
%
%
z°zI
1.22 AC.
O `
1.25 AC. i
/
r?l
a
r)2O

w?
zu?
/
lo5
i
r
rrr
rr
?- r
N DS NOTE: FLAG #'S ARE G_ENER;
RANGES FOR 10GATIDf6-Pl00GsES.
? ? C_ - - - ACT-UAI=-II AEA OGATIONS ARE AS
0.
!p'
x a
U 'O
4 c ? 4
1Dt F-M&-0N-EXHIBIT

04102/2004 11:13 71047209406 S AND EC PAGE 01

EXP
Sail & Environmental
236 1, 1 hitlip Court. Suite C - Concord, North Carolina 28025
W WW.SandEC.com
cc FACSIMILE SHEET
04-0565F
4x NO. [phone]
DATE: 4/2/04
Consultants, PA
Phonc: (704) 7200405 • Fax: [phone]
Project Number: 5-1282w0
TO: Name: Bever Strickland CC:
Company: NC DWQ
Fax Number: [phone]
FROM: Wendell. Overby SUBJECT: 401 Express Review Interest Form
The following ittm5 are being faxed. Number of pages including transmittal sheet: 13
x For Your Comments/Approval
Per Our Conversation
Please Advise
Would Like To Discuss
HARD COPY SENT:
US Regular Mail
X Overnight
X For Your Information
Per Your Request
Please Call
Please Handle
Hand Delivery
No Hard Copy Sent
REMARKS: Enclosed please find a completed Express Review Request. Please call with
questions or comments.
Thank you,
Wendell
lF YOU HAVE ANY QUESTIONS OR PROBLEMS WITH THIS TRANSMISSION,
PLEASE CONTACT Wendell
AT [phone].
"CONFIDENTIALITY NOTICE*
This transmission is intended only for the use of the individual or entity to which it is addressed and may curtain information
that is privileged and confidential. If the reader of this message is not the intended reoipiarrt, you are hereby notified that any
disclosure, distribution or copying of this information is strictly prohibited. If you have received this transmission in enw,
please notify us immediately by telephone and return the faxed documents to us at the above address via the Unitcd States
Postal Service.
?u?ezt?ip o ffce: ?gea rce: Ba3ei i Otlice:
3817-E Lawndale Drive 622 Coon Mountain Lane 11010 Raven Ridge Road
Greensboro, NC 27455 Taylorsviiie, NC 28681 Raleigh. NC 27614
Phone: [phone] Phone: [phone] Phone [phone]
Fax; [phone] Fax: [phone] Fax: [phone]
APR-2-2004 FRI 10:54 TEL:[phone] NAME:DWQ-WETLANDS P. 1
04/02/2004 11:13 7047209406 S AND EC
PAGE 02
INi'I'IAL MEREST IN PAIR.TICTPATTON IN THE EXPRESS PERMITTING PROGRAM
FOR THE 401 WATER QUALM CERTIFICATION,
ISOLATED W1ET I AND PERMITTING
OR STREAM ORIGIN DE'TERMWATTON PROGRAMS
Fcbroary 25, 2004
Version 2
Applicant Name: WAICEtir-t-o A.sScx. t S I?JC. J tG 4zuvJ
Applicant Address: 2940 PLAZA 'pt..r4ciL svt79- 105"
CAL616-H M6 Z7Li Z
Applicant's phone number: (RN) 781- -1-7o-? Fax number: (q 1q) 79q- q7 i S
Applicant's email address: W9w/%K6FL0 <F AO -. Cot..•-
ConsultantName (ifapplicable): 60 t` 4CN%j oRtmme-yo-rAt- ao,a5utr'[A "`Ui, PA (W64oUL oWe6y)
Consultant address (i.f applicable): Z34 Lc PH is t P GT r -5 u t7E .C- ....-
e0ficow-0 ?jL ZSoZ?5,
Consultant's phone number: L-ro'+) 7Zo- R405 Fax number: C7cat? ?z?° 9FFo4
Consultant's email address: v+toJ ? n- S rv- C54- COW-
Type of action requested under the Express Review Program (check all that apply):
d 401 Water Qua* Certification
? Isolated Wetland Permit
? Riparian Buffer Approval
Q Stream Origin Determination
# of Determinations Requested
Name of Project: 5UaL a ni & TO a COY-%WtLtACr AL
Property size (acres) 45 County: At-Av^A ntCLf
Nearest named stream (from USGS topo map): SV-4 cr-64?44- 6t.-19-6) C, N SvN
Please provide a brief description of this proje+at (attach site plan if available):
C'???'ff?uG-t+otJ C)•F k3::+fLL?NG7orJ Ccvhw.?2.C?At? P(zva[3C'r P(L?1'OSGta iw?Y?A[.T?
9F.Q%j65-r9 p? T'? C"ar?S?t?Luc-rr?m1 OF 1N?pAS~7?¢-ue"fufL? ?nICUUY>in?lr [3vic??>N4?
0 PA-aWN4 AIZCAS.
Please attach a map of site location using USGS 1:24,000 map and county soil survey.
1
APR-2-2004 FRI 10:54 TEL:[phone] NAME:DWQ-WETLANDS P. 2
04/0212004 11:13 7047209406 S AND EC PAGE 03
Location of project site - please include reference to the county: nearest name town and highway number:
15 uYL"r-JG'fot-?_ N??tzs7/?T? S5 xr"T t&i aOg--lm C77`i HvFFnnArJ t%&tL4- uZvAo
-i? H w `( '70 C "taACLA S~r 00 L61:7 1. AI1 L ES "jo :5-r. V- AV-KS C w u jC" F bA r).-
Wg-N Lg!rT P/1,09C'O-14 ArPIU - ."7:5 tV1L s oN XrGH7.
Proposed impacts: -97 _ Acres of wetlands
D-. Acres of isolated wetlands
8b Linear feet of streams
Q Linear feet of isolated streams
Q Square feet of protected stream buffers
Has consultant or applicant attended any DWQ-sponsored training sessions in the past two years? If so,
please list which ones. lutF&M r1-TcaT 4 PeAs"s IAb 5,4ta_mJ9 rte. ? ,r+W r3u Err ,Zvu rtrPS.
which other environmental permits will be needed for this project? Please list them below:
?lA?tiuaw?n, c pCfi+?+?Z 3ci -S?c-riukl ?frJ`? r?f'j'iROVAt:
Does this project require approval under the State Environmental Policy Act or National Environmental
Policy Act? NO
Does this project require approval of a Variance from the NC Environmental Management Commission"
t4 o
Are you aware of any local controversy concerning this project? If so, please describe the controversy and any
measures that have been taken with respect to public involvement.
This form must be submitted via email (c% 401 express ncmail.net), fax [phone]) or hand-delivered
(Parkview Building, 2321 Crabtree Blvd., Raleigh, NC 27604) within the first three (3) working days of the
month for the first three months of the Express Review Program (until January 1, 2004). Application
procedures after that time will be provided at a later date. Applicants who are selected to participate in the
Express Review Program will be notified via email or fax with one additional working day. Successful
applicants will then be instructed regarding detailed procedures for full application. Unsuccessful applicants
will be queried to determine if they want to be in the following month's selection process or whether they
want to follow the normal application process.
Please contact John Dorney at 919-733-9646 if you bave any questions regarding this form.
2
APR-2-2004 FRI 10:54 TEL:[phone] NAME:DWQ-WETLANDS P. 3
04/02/2004 11:13 7047209406 S A.N'D EC L PAGE 04
? rt.' "y ? \ Irl'? 11 ?/' rY ?i'• ,?" ^f ???•• ! i? ?ty + `? :? ;? + ?? ,:._ ? Lf- , !
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J t ? ', (\\ ; 1111 ', l?? t
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Name; OIBSONVILLE Location: 036"04'09-N' N 07W 31' 48.5" W
bate: 3/30x1004
Scale: 1 inch equals 2000 feet
CopytW (C) 1997. M*tKk hw.
APR-2-2004 FRI 10:54 TEL:[phone] NAME:DWQ-WETLANDS P. 4
04/02/2004 11:13 7047209406 S AND EC
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APR-2-2004 FRI 10:55 TEL:[phone] NAME:DWQ-WETLANDS P. 5
04/02/2004 11:13 7047209406 S AND EC
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PROP05l
STORMWATER
PONE rr/ r
y (?
?= U
{ ?t
? ft
t l?
t?
t }t
+ f
PAGE 06
LOCATION
1.09 AC.
Q
a1? 0
Q 0
? 8 -
Q 0
f? Q ,0

LOCK
14
134 AC. l\ti `•- _
r r
62
f
'1r
N ; /r
41 ?j Li
c:) (m
r.r fl
0000000 Q
v j ?r
ti.
01
'rlrr ?c?r?caoQa
r
r
!
/

e r
fr
r
.
r
a /r
PROPOSED
m J ORMWATE
/I POND

r•r

V '-

" INTERSTAT ^ a
n`a
APR-2-2004 FRI 10:57 TEL:[phone]e93
POND

i
v
o ?ct?
i

NAME:DWO-WETLANDS P. 6
1.15 AC.
04/02/2004 11:13 7047209406 S AND EC
bar ? /
J # ,1 hy" hh'`
?? y
/f
ye'/4+/
a h
? ,y y/r
L?
¢L ry8?
UION Ayy¢¢ L??h4
had? .°LQ
+ hR f
{ p?9B yA
\? ? ?4yb ?m¢r'SS11? "
yp \?
9p
IMPACT FT2 2 LINEAR FL LINEAR FT.
? " / °4'/?¢' ?? ?'? Ff
do o° LOCATION TYPE (CH AND JW) (1W) (CH ONLY) (CHI' ONLY)
.- •?' v 1 CH 1.296 - 559 -
CH+ 576 - - 147
r.i JW 1,202 - - -
2 CH 310 - 155 -
17,145 -
Iw - 1,007 - -
••??'. `? '?t?,Q TOTAL 20,621 F?z 1.007 FT 2 714 FT 147 FT
?'•, `,,\tia:? c? (0.47 AC) (0.02 AC)
., •;. ..,,?ti y
(CH - cNaranrEU cw- = IMPORTANT CHANNEL; m = auRISolcsloNAL weTLnNOS:
?` ay
N .p •. ?GQC}?y 1W - ISOLATED WErLgJM)
` •; . - 4-
\
;; a a? ? +rcy
,may ? ` `?? \?? .'S? ?y`?
1.25 AC. i' '.? *• o y'' H
f
a •
ir" ,a R
h
_ _ ?+ ¢¢y O? 1r a?a\ ?aa+ k
PAGE 07
/ yBAh 946 -LOCATION y#3
s.
NOTE: FLAG #'S ARE GENERAL
RANGES FOR LOCATING PURPOSES.
ACTUAL IMPACT LOCATIONS ARE AS
-=^•^-T===<=r- }- IDENTIFIED ON EXHIBIT
APR-2-2004 FRI 10:57 TEL:[phone] NAME:DWQ-WETLANDS
.4
1
b
P. 7
04/02/2004 11:13 7047209406
FLAG #511
IMPACT #3
IMPACTED CHANNEL
(202 LF FROM FLAG
#502-#511)
VL
S AND EC
PAGE 08
mmmmmmmmmmmmmwp?
FLAG #600
IMPACT #7
IMPACTED UNEAR WETLANDS
(353 SF FROM FLAG
#287-#BOB)
• IMPACT #5
IMPACTED IMPORTANT CHANNEL
(94 LF FROM FLAG #280-#284)
n FLAG #287
LISACE IMPORTANCE
POINT (FLAG #284)
J
(m
!go
it
G
IMPACT #S
USACE IMPORTANCE IMPACTED CHANNEL
POINT (FLAG #502) (357 L.F FROM FL
FLAG #282 -#42sr
SS -- --? 5 s5
IMPACT #2
IMPACTED IMPORTANT CHANNEL FLAG 280
#
(53 LF FROM FLAG
-
#500-#502)
FLAG #500

STREAM SUFFER
(TYP_) IMPACT f
IMPACTEI
' f (
IMPACT #1 1
t
#2824
EI
IMPACTED WETLANDS (
(117 SF FROM F r ( J
#280-#78A) 7

IMPACT TYPE (CH AND JAI) (IW) (CH OILYFr. LINM FT.
) (cw ONLY)
1 JW . 117 - - - +..?
2 CH• 106 - - 53
;
3 CH 404 - 202 -
4 ax 344 - - -
5 CHO 470 - - 94
a CH 892 - 357 -
7 JW 353 - - -
B JMI 388 - - -
P
"
TOTAL 3,074 Fr 2 - 559 FT 147 Fr ?
n OD
(0.07 AC)
(CH . CHANNEL: CW - NNIORTANT CHANNEL;
JW - WETUVM; n+ - OWTO WETLANDS)

APR-2-2004 FRI 10:57 TEL:[phone] NAME:DWO-WETLANDS P. 8
04/0212004 11:13
7047209406
5 AND EC
rill
L

IMPACTED CHANNEL
¦ ¦ w ¦ IMPACTED LINEAR
WETLANDS
FLAG #4413

IMPACT #8
IMPACTED UNEAR WETLANDS
(388 SF FROM FLAG
#42B-#52A)
FLAG #4213
FLAG #52B
INEL
FLAG
:: --r SS - • - SS
,T #4
^.TtD LINEAR WETLANDS
SF FROM FLAG
#82A)

l
EN # 1
SS --- 55 SS SS S
\ 1 .09 AI
L?
APR-2-2004 FRI 10:58 TEL:[phone]

NOTE: FLAG #'S ARE GENERAL
RANGES FOR LOCATING PURPOSES.
ACTUAL IMPACT LOCATIONS ARE AS
IDENTIFIED ON EXHIBIT
?bCMtINiAI l
NAME:DWO-WETLANDS
PAGE 09
cn 1
A
U
iZ z
x a
08
Cx+U ???

z
w
0?g
00
Z
n?R
z
a CL
S h co
"C O
C3
0. 01 14
P. 9
04/02/2004 11:13 7047209406 S AND EC PAGE 10
IMPACTED CHANNEL
m o¦ w a W IMPA TLANDS LINEAR
,l IIMPACT TYPE (CH AND
I ?II
I?
Itn
II
I
I
I
I
J
i s

UNEAR FT.
(CH ONLY)
1
r /
r /
? r
t t
t t
/ r
1 \
??1 I
t
t
\
?I\
I'
I
t rr
1 ?
1
1
t ,
L
t \
i
i
/
?
i
i
/ r
r
z FT I
1 JW 92 - -
2 CH 310 155
TOTAL 402 FT z - 155 rr -
(0.01 AC)
(CM - CHANNEL: CWT - WORTANT CHANNEL:
JW = JURISDICTIONAL WERAHDS. 1W = ISOLATED WERANDS)
1
J
1
r
r
r
4
1i
?- FLAG #400
r
J
r
r
FLAG #402
LOCATION #
APR-2-2004 FRI 10:58 TEL:[phone] NAME:DWO-WETLANDS P. 10
04/02/2004 11:13
7047209406
FLAG #410
IMPACT #1
IMPACTED LINEAR WETLANDS
(92 SF FROM FLAG #409-#410)
IMPACT 12
IMPACTED CHANNEL
(155 LF FROM FLAG 1402-#409)
H
FLAG #407
S AND EC
a
a
Q,--
(:F
NOTE: FLAG #'S ARE GENERAL
RANGES FOR LOCATING PURPOSES.
ACTUAL IMPACT LOCATIONS ARE AS
IDENTIFIED ON EXHIBIT
---b a
APR-2-2004 FRI 10:58 TEL:[phone] NAME:DWO-WETLANDS
PAGE 11

W
0
( up
) wl
a?
01
as
s
t
a
c
N
C

P. 11
04/02/2004 11:13 7047209406 S AND EC PAGE 12
1I
•.. .
Fiz FT2 LINEAR FT. LINEAR FT.
IMPACT TYPE (CH AND JW) W (CH ONLY) (CH' ONLY)
1 JW 13,530 - - "
2 JW 3.615 - -
3 Iw - 1.007 - -
TOTAL (U.39 5 AC) z 1007 FT
)2 -
(CH - CHANNEL; Cie - IMPORTANT O "E4
!W w ISOLATED WULANDS)
L YyMMI)S,
Jw - .
JUM010O A
a o
000000

V J
IMPACT #3 -
ISOLATED WE
(1,007 SF F
FLAG #600-
FLAG #G23
FLAG #G10
FLAG #G14
FLAG #168
S FLAG 11.38
0
#109
F
FLAG #07A
PROPOSED
STORMWATER
POND
' \-UNDISTURBED WETL
(FLAG #01A-#018;
FLAG #02A
J1?041?`T{ (Jµ '?
APR-2-2804 FRI 10:58 TEL:[phone] NAME:DWQ-WETLANDS P. 12

04102/2004 11:13 7047209406 S AND EC PAGE 13

(LANDS
?0m
F607)
0
r "*- FLAG 1607
FUG 1600
FLAG 1G19 (((ffJ

/ IMPACT #2
IMPACTED WETLANDS
` (3,615 SF FROM
FLAG 1G10-#G23)
. r

4G #13A
IMPACT #1
IMPACTED WETLANDS
{13}530 $F FROM
s, FLAG 1109-#09A)
ti
? ti? ?
a
1.22 AC. ?•?

r, r.rr ?r}rr
LOCAPRON-43"--
JD$
rrf' L.+l

1.32 AC.
FLAG #603
ll?
MOTE: FLAG #`S ARE QE*Rf --+
RANGES FOR 1DCAMTd-? 9QRFq=
w
TIONS ARE AS
c?Ilk,
%`a ?%
1.25 AC. i?
r
r
rrtrr,.
r ?, r
A
G?3
0
az
x? 41
0 }f.? all
'04 s.
E+U x W
M i4 ~
o
1+1 l
C n.
4 Q
O
n
d ?. O
Y
APR-2-2004 FRI 10:59 TEL:[phone] NAME:DWQ-WETLANDS P. 13
It a
Addendum to the Pre-Construction Notification and "Buffer Rules" Application Required for
Projects Submitted Under the
"Express Review Program"
North Carolina Division of Water Quality Version 2.0
October 13, 2003
Email Address: [e-mail]
Purpose: To provide a detailed explanation of the information required by the Division of Water Quality
in order to expedite the review of applications for 401 General Water Quality Certifications, Isolated
Wetland and Stream Permits, and Buffer Rule and Minor Variance Approvals.
Please do not leave any questions unanswered or use terms such as "N/A" without an explanation.
Fees:
Total stream impacts of less than 150 feet and/or total wetland impacts of less than or equal to 1 acre -
$1,000.00.
Total stream impacts of greater than or equal to 150 feet and/or total wetland impacts of more than 1 acre
and projects that include any kind of Buffer Rules Approval -$2,000.00. For stream origin determinations
as required by the Buffer Protection Rules the fee is $200.00 for one or two streams on the same
property, $500.00 for three to six streams on the same property, or $1,000.00 for more than 6 streams on
the same property.
Please read the entire document before attempting to determine the proper fee. Fees are additive for a
particular project.
Things to keep in mind when filling out the application:
A specific answer must be provided for each question. For instance, if a numerical answer is requested
then a numerical answer must be provided along with the supporting information necessary for DWQ staff
to verify that the number is accurate. Likewise, if explanations are presented to justify certain responses,
the explanations must be completely supported by documentation. DWQ staff cannot assume that
unsupported or undocumented information is accurate. "N/A" is not an acceptable answer for any
question since the DWQ Staff reviewing the application must have an opportunity to determine whether or
not any requested information is pertinent.
All forms, guidance, worksheets, applications, etc. used must be the current versions as posted on our
web site at http:h2o.enr.state.nc.us/ncwetlands. There will soon be a web site specifically for the express
review program. Please note that it will be the applicant's or applicant's consultant's responsibility to
verify that the current versions are used. The versions posted on our web site will be considered to be
the current versions.
You are a very important part of the success of this program, if you have suggestions or clarifications
please send your comments to the Wetlands/401 Unit of the DWQ (via email at
401 [e-mail]).
WETLANDS/ 401 GROUP
APR ?; 2.2004
WATER QUALITY SECT ON
c 4
Filling Out the Pre-Construction Notification Application:
The Corps of Engineers (USACE)/DWQ official, joint Pre-Construction Notification (PCN) Application
must be used as a basis for the expedited review process. The completed application should be
presented first the supporting information tabbed and collated in the same order. collated in the same
order. Using a custom format is not recommended. All supporting documentation should be presented
as tabbed appendices in the same order as the application. The open squares ( ) are checklist items.
The following items correspond to the numbering system on the Pre-Construction Notification Form
(PCN):
USE CHECK BOXES TO TRACK PROJECT INFORMATION
SECTION I. PROCESSING
1./1 & 2. The USACE determines which Nationwide, Regional, or General Permit is
required. If you have verified with the USACE which permit they intend to use for
your project or if you already have written approval from the USACE, please
indicate by adding "verified" or "verified, attached", respectively, in the blank next
to the Permit number requested.
Attach the USACE Approval if you have it.
3. It is not anticipated that the expedited process will be requested for this situation.
4. If you propose to impact 150 feet or more of perennial stream or 1 acre or more
of wetland and onsite mitigation is not proposed, it is recommended that you
either locate an acceptable private bank with available credits (with
documentation to show that the bank can and shall provide the credits needed)
or obtain approval from the NCWRP for the entire amount of stream and or
wetland as DWQ will make the final determination as to whether or not mitigation
applies.
5. State whether your project will require a CAMA Minor, Major or General Permit
and give the status of the permit.
SECTI N 11- APPLICATION INFORMATION
1. 15 NCAC 2H .502(t) reads as follows: "Who Must Sign Applications. The application
shall be considered a "valid application" only if the application bears the signature of a
responsible officer of the company, municipal official, partner or owner. This signature
certifies that the applicant has title to the property, has been authorized by the owner to
apply for certification or is a public entity and has the power of eminent domain. Said
official in signing the application shall also certify that all information contained therein
or in support thereof is true and correct to the best of his knowledge."
Please indicate how the applicant meets the above definition and provide
supporting documentation.
Please provide all of the requested contact information including a fax
l number and email address.
2. Please attach the agent authorization letter if the application is not signed by the
applicant. The agent authorization letter must be signed by the applicant. The
applicant's name and position must also be spelled out as many signatures are difficult
to read.
3. Please provide all of the requested contact information including a fax number and
email address.
SECTION III - PROJECT INFORMATION
The following is the most critical of all the information that you must provide. The quality and detail of the
information will often determine the expeditiousness of the review. The following is a checklist of the
types of pertinent information required at a minimum:
Maps andf Plans:
J The most recent version of the 1:24,000 USGS Topographic Map- Please cleanly
delineate the site boundaries, etc. on the map. If the delineation obscures any of the
features, it is recommended that a clean copy be provided. Please indicate the
quadrangle name. You can go to the USGS web site (http://mac.usgs.gov/maplists/) to
verify the most recent version.
/ The most recent version of the NRCS Soil Survey Map - (required for projects within
??? the Neuse River Basin, Tar-Pamlico River Basin and Randleman Lake Watershed and
recommended for all projects) - Please cleanly delineate the site boundaries, etc. on the
map. If the delineation obscures any of the features, it is recommended that a clean copy
be provided. Please indicate the page or map number from which the copy of the map
was made. Copies of the current soil survey and/or soil survey map sheets can be
'tained from the local NRCS County Office (http://www.nc.nres.usda.gov/).
Vicinity map - Please clearly mark the location and approximate boundaries of the
property and project on the map. Please indicate north and scale.
The Site Plan - The most critical map to be provided is the site plan. You must provide
full sized plans. The following is the minimum list of plans that are typically needed.
Pre-construction/Pre-existing conditions - This sheet must be scaled and
include all jurisdictional and non-jurisdictional wetland, stream, water features,
State regulated buffer opographic contours with elevations, pproximate extent
and nature of forest, field, landscape , or oTfi?P L23veT?ATf?existing structures and
impervious area must also be shown. Existing utility lines and easements must
also be shown. Existing roads, culverts, and other pertinent features must be
shown. North arrow and the scale must be shown.
Proposed conditions - These sheets must be scaled and show all existing
jurisdictional and non-jurisdictional wetland, stream, water features, and State
regulated buffers must be underlain on the site plan(s). The plans must show all
built-out structures and impervious cover. The plans must include the final grading
contours with elevati__ r The plans must indicate all utilities and easements. It is
likely that several versions of the final built-out site plans will be necessary. The
following is a list of layers:
Drainage Plans - Final drainage plans must be included. The plans should include
the locations and pertinent elevations and sizes of the collection system and
drainage ways. All inlets and outlets must also be shown with pertinent elevations.
Scaled stormwater BMPs must also be indicated as required by DWQ rules and
policies. In certain cases, final stormwater management plans must also be
provided, but that will be addressed later in this document.
Plats - The plans must show the location and layout of all sub-divided parcels with
lot identifications. Platted parcels must be developable without further impacts to
jurisdictional and non-jurisdictional wetlands, streams, water features, and State
regulated buffers.
4
Proposed Impacts - All impacts to jurisdictional and non-jurisdictional wetland,
stream, water features, and State regulated buffers must be shown and labeled on
the site plans. All excavation, fill, flooding, stabilization, and other impacts that will
be conducted in or near jurisdictional and non-jurisdictional wetland, stream, water
features, and State regulated buffers must be indicated.
I Wetland Impacts (on the site plan):
Precise grading and final elevation contours must be provided. Existing vegetation and
any clearing must be specified.
All subsurface utility lines must indicate the location of anti-seep collars. Construction
detail for anti-seep collars must be provided.
Roadway or other crossings of riparian wetlands may require floodway culverts to
maintain existing hydrological conditions.
When surface drainage features or groundwater recharge areas that feed or would
reasonably feed wetlands that are not to be filled are made impervious, it may be
necessary to direct some stormwater runoff to those areas in order to maintain hydrology.
You must identify these areas and address them. Supporting explanations and discharge
information must be provided to show that the wetland would not be eroded or receive
too much or too little hydrology. In many cases this could help satisfy part of a
stormwater management plan.
Flooding
Draining
Stream Impacts:
Stream impacts must be clearly shown on the plans. The centerline as well as the banks
of the stream must be surveyed or located by GPS for the portion of the stream to be
impacted.
Culverting:
The inlet and the outlet of the culvert should be aligned with the stream as much as
-?--? possible. Inlet and outlet elevations and stream bed elevations should be indicated.
?y widening of the stream must be shown with elevations.
/ The extent of and plan details for all dissipation or grade control devices should be shown
with pertinent elevations.
5
YSr shorter culvert sections, such as for road crossings, a longitudinal cross section that
shows the stream bed invert at the inlet and outlet, the existing stream bank elevations
and the invert of the inlet and outlet of the pipe(s) must be provided.
For orter culvert sections, such as for road crossings, a vertical cross section must be
ovided that shows the stream cross section at the inlet and outlet overlain with the
culvert and fill cross section.
For bottomless culverts or other spans, a vertical cross section should be provided that
sh s the minimum distance from each span to each stream bank, the stream cross
ection, the height of the span above the stream and the minimum distance from the
edge of each footer to each stream bank.
F ottomless culverts or other spans, a plan view must be provided that shows the
,-location of the spans and the stream banks.
For longer culverts or culverts that will pass beneath substantial impervious cover, it will
be necessary to provide adequate plan detail to show that discharge velocity/energy will
V ---
be adequately dissipated.
Aquatic life passage through culverts is typically achieved by placing the invert of the
culvert below the existing bed of the stream per the USACE or North Carolina Wildlife
Resource Commission guidelines. Please be aware that such placement may require the
use of grade/velocity control measures up or down stream of culverts on steeper streams
to prevent head-cuts or stream bed erosion. The culvert placement relative to the stream
bed can be indicated on the longitudinal profile. Grade and velocity control measures
must be indicated on the plan view and typical designs should be provided.
Multiple culverts, wide culverts or sectioned box culverts typically require the use of sills,
off-setting or other means to match the cross section of the existing stream (in order to
maintain stream stability and provide aquatic life passage). A vertical cross section of the
culverts should be shown overlain with the up and downstream stream cross section
including the stream flood-prone area.
I acts associated with dam construction must indicate and enumerate all fill associated
ith the dam foot print, spillway and any bank stream bank stabilization. The length of
stream impounded must also be indicated and enumerated.
X
X-tream Relocations:
Stream relocations must be conducted as specified in General Certification numbers
3402 and 3404 (available on the Wetlands Unit web site). Stream relocation plans must
include:
Morphological measurements (see Appendix B of the Internal Technical Guide for Stream
Work in North Carolina available on the Wetlands Unit web site) - not all of the
measurements are applicable in every instance.
Typical stream cross sections - Typically, a riffle cross section and a pool cross section
that includes the entire flood prone area. The bankfull and flood prove area elevations
should be indicated. Similarly, a riffle cross section of the reference stream(s) should be
provided.
Plan view - Provide scaled plans that show the location of the proposed (preferably with
stationing) and the existing stream. In most instances, the bankfull contours and flood
prone area contours, in stream structures, bank revetments/stabilization, channel plugs,
6
planting plan, vegetation conditions, stormwater outlets, grade controls, bridges, culverts,
sewer lines, roads, fencing, and easement lines should also be provided.
Longitudinal Stream Profile - A scaled profile that indicates the thalweg , bankfull, and
top of bank elevations should be provided for the design and reference streams. In many
cases, it will also be necessary to show the existing land elevations for the design
stream.
Planting Plan - A planting and/or vegetation management plan should also be provided.
The plan should indicate the extent, density, and species of plants to be provided.
In-stream structure, bank revetment/stabilization, and stormwater outlet typicals -
Detailed, typical plans should be provided for all in stream structures, bank revetments or
stabilization, and stormwater outlets. The typicals should include materials and
specifications as well as relative lengths, positions, and angles.
Sediment transport analysis - A sediment transport analysis should be provided based
on the current, relevant, accepted practices. The sediment transport analysis should be
relevant to the stream bed load type and should predict bed load transport equilibrium.
Permanent conservation easement or similar means of protection must also be provided.
Other Information:
1. The project should always be referred to by this name in all correspondence as well
as the DWQ # once it is provided.
2. This only applies to DOT projects which are not expected to utilize the Express
Review Program.
3. This should be the size of the project as identified by the USACE for 404 Permits or
by the Division of Water Quality for Buffer Approvals and Isolated Wetland Permits.
4. Please provide the name (as depicted on the USGS topographic map and DWQ
Stream Classification Lists) of the nearest water body(ies) to which your project is a
tributary to (e.g. "Neuse River (Falls Lake below normal pool elevation)"). (Do not
simple state "stream", "river", "ocean", "sound" or "lake".) Please provide the "stream
index number" of the named water body or water body section (e.g. "27-(1)"). Also,
please provide the full water quality classification (e.g. "WS-IV NSW CA") of the water
body. This information can be obtained from the DWQ web site
http://h2o.enr.state.nc.us/bims/Reports/reportsWB.html.
5. Please state which river basin and sub-basin that your project is in (e.g. "Neuse River
Basin, NEU01"). This information can be obtained from the DWQ web site
http://h2o.enr.state.ne.us/bims/Reports/reportsWB.html.
6. Conditions should also be indicated on the existing site plan where applicable.
Photos (including aerial photos) can be helpful in describing the existing conditions.
7. You must provide an attachment that explicitly describes what the proposed project
will entail from the planning stage to final construction.
8. This can be a simple explanation, but it is critically important because the purpose
dictates how the no practical alternatives is reviewed.
SECTION IV - PR IOR PROJECT HISTORY
7
Please include copies of all 401 Water Quality Certifications, Isolated Wetland
Permits, Buffer Approvals, USACE Permits, CAMA Permits for the site as well as a
copy of the final approved, site plan.
SECTION V - FUTURE PROJECT PLANS
For projects utilizing the express review process, all impacts both present and
potential future must be indicated. For instance, the location or configuration of
platted lots sometimes suggests that future impacts will be necessary to build,
access, or otherwise develop such lots. Failure to account for such potential impacts
could delay or disqualify a project from the rapid review process. If you believe that
the lot can be developed without impacts, but you anticipate that your assertion may
be questioned, it is recommended that you provide a potential building foot print
and/or grading plan to show that future impacts could be avoided.
SECTION VI - PROPOSED IMPACTS TO WATER OF THE US
It is recommended that the individual impacts be described if there are special things
to note about the impacts. Typically the most important thing is to have detailed
accurate site plans as described above. Please make sure they are clearly labeled.
Please include all proposed temporary impacts.
Also, a current, signed delineation map from the USACE should be provided (if
available) and a map locating the stream origins signed by the appropriate DWQ
Staff must be provided if applicable.
2. Each impact to a wetland must be clearly labeled and identified on the site plan. The
type of impact must be clearly stated. If the impact is temporary, a specific plan must
be described or shown as to how the wetland will be restored. Keep in mind that the
USACE delineates some features as wetlands that DWQ calls streams. Please do
not list any impacts in this table that DWQ would identify as a stream. If there is any
doubt, it is recommended that the impacts be listed as streams.
3. Each impact to a wetland must be clearly labeled and identified on the site plan. The
type of impact must be clearly stated. If the impact is temporary, a specific plan must
be described or shown as to how the wetland will be restored. Keep in mind that the
USACE delineates some features as wetlands that DWQ calls streams. Please list
any impacts in this table that DWQ would identify as a stream. If there is any doubt, it
is recommended that the impacts be listed as streams. Please follow current DWQ
policy with respect to whether a stream is perennial or not. It is recommended that
you assume that a stream is perennial (unless you are positive that it is not) so if
mitigation is required then the appropriate amount of mitigation would be anticipated
or requested from the WRP or private bank. If the WRP or private bank has pre-
approved too short of an amount of stream or if inadequate mitigation is proposed,
then that situation will result in delays.
4. Sometimes it is difficult to determine whether a feature is a modified natural channel
or a ditch, especially in the eastern part of the State. Soils, drainage features,
topography, and similar factors, all are important for making that determination.
5. Other items to address not specifically requested in the application include
downstream sediment starvation, thermal pollution, low flow releases from dams, and
aquatic life passage. Other important considerations are buffer reestablishment or
mitigation around ponds on buffered streams. The site plan should include the
precise elevation contour of the normal pool as well as the dam foot-print. Mitigation
is required for wetland flooding of an acre or greater and for stream fill (if over the
150 foot threshold) under the dam foot-print and any outlet stabilization.
SECTION VI - AVOIDANCE AND MINIMIZATION
Avoidance and minimization are critical aspects of an application particularly if you desire the application
to be processed expeditiously. The following is a check-list of avoidance and minimization questions that
DWQ Staff often took for in applications.
Are there any stream crossings at angles less than 75° or greater than 105°?
Are there any stream crossings that cross two streams above or at the confluence of those
streams?
Are there any stream, wetland, water, and/or buffer impacts other than perpendicular road
crossing near the edges of the property?
Can the stream be relocated as a natural channel design as opposed to culverted or
otherwise filled?
Is any single stream crossed more than once?
Can property access routes be moved or reduced to avoid stream, wetland, water, buffer
impacts?
Can a building, parking lot, etc. be realigned to avoid impacts?
Can the site layout be reconfigured to avoid impacts?
Can headwalls or steeper side slopes be used to avoid/minimize impacts?
Can a retaining wall be used to avoid/minimize impacts?
Can cul de sacs be used in place of a crossing?
Can lots be reshaped or have shared driveways to avoid impacts?
If based solely on the practicable physical possibility, the answer is "yes" to any of the above questions
then you must have to provide substantial and convincing justification as to why the impacts are
necessary. If the impacts are required by a local government or other agency the claim must be
supported with appropriate written documentation from the local government or other agency. Most
projects typically involve the need to justify avoidance and minimization. If this information is not readily
available, then the express review process may not be the appropriate venue to use because the project
may be put on hold at the end of the process. Providinq alternative glans (such as plans that avoid the
impact, minimize the impact and the preferred plan, similar those used in environmental assessments)
an?d_exnlanatinnc as to why, tb,- preferred Dian-is needed and why the alternative plans won't work are
many times helpful in the no practical alternatives review.
SECTION VIII - MITIGATION
Mitigation for the Express Review Program, final mitigation plans must be presented up front. The final
plans (except for plans that propose payment into the Wetlands Restoration Fund, Riparian Buffer
Restoration Fund, private mitigation banks, or similar banking instruments) must contain detailed plans,
specifications, calculations and other supporting data that show that the appropriate mitigation will be
achieved at the ratios required. The design plans must be developed to at least the "90%" level.
Monitoring plans must be final and specific. Any means of permanent protection, such as a permanent
conservation easement must be provided. If you elect to use the WRP or a private mitigation bank, it is
recommended that you request the maximum possible mitigation amount that DWQ may require so that
you will not have to get further approval from them on short notice. The WRP and private banks are not
part of the expedited review process and cannot be expected to meet any such deadlines. There will be
no conditional expedited approvals that require final plans at a later date. It is not recommended that
innovative mitigation techniques or greater than. 10% preservation be requested as part of an expedited
process.
SECTION IX
If your project requires the preparation of an environmental document under NEPA or SEPA and an
approval letter has not been issued by the State Clearinghouse, then you cannot apply under the
expedited review process. I t is your responsibility to find out if such documentation is required.
SECTION X
There are many aspects of the Buffer Rules that must be addressed in every application, if applicable.
The first and most important thing to keep in mind is that allowable activities that require written Approval
from DWQ triggers a review of the entire project for compliance with the Buffer Rules.
Diffuse Flow & Stormwater Management:
The most common issues that arise involve the requirement for diffuse flow of stormwater
through riparian buffers. Basically one of three things must be indicated in regards to all
"new" stormwater that is collected and subsequently discharged. First, provisions for
diffuse flow through the protected buffer must be made. This usually involves the use of
level spreading devices designed to the latest DWQ guidance on level spreader design,
which is available on our web site. Please keep in mind that it does not matter how far a
discharge point is from a buffer. The stormwater must be flowing in a diffuse manner at
whatever point it eventually reaches the buffer. If the stormwater will not be flowing in a
diffuse manner through the protected buffer at the point it reaches the buffer, then one of
the following options may be allowed:
You may provide a nitrogen removing measure such as a forested filter strip,
grassed swale, stormwater wetland, etc. The measure employed should be
designed according to the NC DENR Stormwater Best Management Practices
Manual or other DWQ Guidance available at http:
//h2o.ehnr.state.nc.us/ncwetlands/mitresto.htm1. After the nitrogen is treated, the
stormwater can be directly conveyed through the buffer with written DWQ approval.
You may discharge the stormwater to an existing man-made conveyance that
currently conveys stormwater through the protected buffer (assuming the
conveyance was not constructed in violation of the Rules) as long as that
conveyance does not need to be altered to convey the flow. Please remember that
there are no other choices. The following checklist is intended to help insure that
your application will not be deemed incomplete as a result of improper stormwater
design.
Stormwater Management (for Buffer Rules compliance only - Also, see Section XI):
All stormwater out-falls must be clearly shown and labeled on the site plan for projects in
Buffered watersheds. List each out-fall as labeled: 141A CAPE F/ Ait OAShA_________
Option 1: Level spreading devices designed to the latest DWQ Guidance, and
devices that merely control velocity but do not provide diffuse flow such as rip rap
dissipators are not proposed. List each of these out-falls as labeled on the site
plan and provide a DWQ worksheet available at
10
http://h2o.ehnr.state.nc.us/ncwetlands/mitresto.htm1:
Option 2: Nitrogen removing measures designed to DWQ Standards are
proposed for discharges for which diffuse flow through a protected Buffer cannot be
met. List each of these out-falls as labeled on the site plan and provide a DWQ
worksheet available at http://h2o.ehnr.state.nc.us/ncwetlands/mitresto.htmi:
tW}A CAPEMAJ? ak5la, iJ01LKSL4(_-&1J ATl?ckto 1.011, ST0i2Mw1%-T&L D6461is.
Option 3: The stormwater will be discharged to an existing man-made (not
including modified natural channels) conveyance that carries the stormwater
through the Buffer. The conveyance was not constructed in violation of the Buffer
_c,pE_ygs?,?
Rules. List each out-fall as labeled: WA
All stormwater out-fall must meet one of the options above. (Note: if you cannot check this
box your application will likely not be accepted into the express review process.)
Site Plans:
All applications on properties with DWQ protected buffers must clearly depict the buffers
and any impacts to the buffers on the site plans. The impact maps should clearly depict
both zones of the protected buffers and the proposed impact areas (provided in square
feet).
Surface Water & Buffer Delineations:
Any surface waters subject to DWQ protected buffers must be field located and accurately
depicted on the site plans and impact maps. The width, dimensions and pattern of the
surface water must be delineated. The surface water location must not be taken simply
from a USGS map, soil survey or local municipality's map. The buffers must be measured
from the surface water as required within the applicable buffer protection rule (e.g., all
buffers along streams subject to the Neuse Buffer Rule must be measured from the "top-of-
bank" of the stream and not the centerline of the stream). All streams must be surveyed or
located by GPS and shown precisely on the site plans. SijRFw-t& vvw-1&V HAVE e6&*'
0aJpj"-te01 FccLO rt6VMwL0 " S,,{wevW, wo VvA BvPF ,aS Afpi.Y.
Impact Table:
Please provide additional impact tables that clearly state the area of impact for each
corresponding impact site.
Variances:
Projects that require the Minor and "General" Variances may be eligible for the use of the
Express Review Program. However, Major Variances are not eligible. If your project
requires a Minor or "General" Variance approval, then be sure to attach a completed Minor
or "General" Variance application. 10A uc VAILIAOCES ItCQoiR60,
Mitigation:
As opposed to applications that are submitted under our regular process, final mitigation
plans must be presented up front (see requirements for Section VIII above). The mitigation
plans must comply with the applicable buffer mitigation rule. WeAG15 e)&Lw• r' 01"1-1100 -m"SgOWS
SECTION XI - STORMWATER
Please provide the following information in regards to potential stormwater requirements:
II
The total acreage of the site. (acres) /
p ? ? U
The total built-out impervious acreage _____(acres)
The total area that will be disturbed _4 (acres)
If the total area exceeds 20% imperviousness, the development on the site is uniform in
density, and you are claim that the total impervious area is less than 30%, you must
provide a complete, detailed breakdown of the assumed built-out conditions. The
breakdown must be detailed enough to show that all potential impervious areas are
accounted for.
If there are concentrated areas of development such as multi-family, commercial, cluster,
club houses, etc. that exceed 30% imperviousness and the total imperviousness for the site
does not exceed 30%, a stormwater management plan will likely be required for those
areas that exceed 30% imperviousness.
Stormwater management plans must be complete with a final design and an executed
Operation and Maintenance Agreement. There will be no conditional stormwater approvals
for the express review process that allow for approval of the final plans at a later date.
Worksheets must be provided that are available at
hftp://h2o.ehnr.state.nc.us/ncwetiands/mitresto.htmi.
SECTION XII - SEWAGE DISPOSAL
Response must be clear and detailed. Any disposal method that suggests further impacts
may be required other than those shown must be clearly addressed on the site plans.
SECTION XIII
Answering yes to either of these responses automatically precludes you from the express
review process.
SECTION XIV - SIGNATURE
The name, position and/or title of the applicant must be in type or long hand script here with
the signature. It should be the same person as described in Part II.
When applying to use a General Certification it is important to review every condition of the Certification
to determine whether or not your project can and will meet all of the conditions. For each Certification for
which you have applied, you must list the number of each condition and specifically where the information
is provided in the application or how and why the condition will or will not be met if not otherwise
described in the application. The following format is provided for GC 3402 as an example:
GC 3402 for Nationwide Permit ----
4
7
12
11
12
15
18.----------------------- -----
Remember, N/A by itself is not an acceptable answer. You must explain why you think something does
not apply.
If you have any questions about these requirements, please email the Express Review Program at
[e-mail] and include your question and phone number and the appropriate staff will
respond as soon as possible.
EXPRESS REVIEW SCHEDULE
PROJECT NAME: t
ACTION
Acceptance letter
Application received
Initial review/letter
Information received
Field Meeting
Additional information letter
Information received
Office Meeting
Additional information letter
Information received
Expiration
Issued/Rejected (circle one)
DWO #:
DATE
41-7164

WAKEFIELD ASSOCIATES, INC.
REFERENCE NO.
Burlington Commercial -
Express Review
INVOICE DATE I INVOICE AMOUNT I DISCOUNT TAKEN
3632
AMOUNT PAID
2,000.00
WETLANDS 1401 GROUP
ESP 04-0565 APR 2.2104
WATER QUALITY S CTI(A
CHECK DATE CHECK NO. 49 PAYEE J&A ISCOUNTSTAKEN CHECK AMOUNT
4/7/04 3632 NC Divisior}Cer Qual ty 4;ld3 $2,000.00
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.
Article Addressed to:
Wakefield Associates
2840 Plaza Place, Suite 105
Raleigh, NC 27612
DWQ# 04-0565 - Alamance
A. Signature
X ? Agent
?--- ? Addressee
B. Received by (Pil \ T C. Date of Delivery
D. Is deliv(nter different fro ? Yes
If YES, delivery address bell ? No
NOV 0 4 2004
3. Service Type r 9g
!.Certified Mail s Mail
? Registered to Return Receipt for Merchandise
? Insured Mail ? C.O.D.
4. Restricted Delivery? (Extra Fee) ? Yes
!. Article Number
(Transfer from service l: 7004 1160 0 009 2706. _-65 0,9':
?c 9:- RRi 1 Fehn-, onna Rorer„ P-inr ,r,??.
UNITED STATES POSTAL SERVICE

• Sender: Please print your name, address, and ZIP+4 in this box •
NC DENR Division of Water Quality
401 Oversight Unit
2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604
First=Class Mail
Postage 8? Fees Paid
USPS
Permit No. G-10
r3 1 fii111tttiti lll?tttilst?sitt?lt ite??ttit l4 till 111111111111
¦ Complete items 1, 2, and 3. Also a PM

item 4 if Restricted Delivery is deli
¦ Print your name and address on the I APR
T
, E ;,
tftnaturme*:)
v • AgeptS4
? Addresses
so that we can return the card to you. ?L
¦;Attach this card to the back of the mail 'C
or on the tont if space permits eceiy y

34 = eszfal?r
.
1. Article Addressed to:' 5 5 ? ed is aadss t fro item 1? 13 Yes
If r delivery address ' slow:'. 13 No

/Wakefield Associates yo!!`?? ,..•??
?V
?1?
2840 Plaza P1ace,,Suite 105
Od N
Raleigh, NC 27612 -:
DWQ# 04-0565 - Alamance 3. service Type
Acertrfled Mail ? Express Mail ,
0 Registered KRetum Receipt for Merchandise
? insured Mail ? C.O.D.
4. Restricted Delivery? (Extra Fee) ? Yes
4rtigle tumt ' i
{Transfer orser veia 79QE' 1rQQQ 99955 6489 7.946 ?#

UNITED STATES POSTAL tERVICE First-Class Mail-
P4id
C 4/19/ r tit ?'. LISPS 8?M
Permit N6. G-10
• Sender: Please print your name, address, and ZIP+4 in this box
{ NC DENR Division of Water Quality
Wetlands/401 Certification Unit
2321 Crabtree Boulevard, Suite 250
j Raleigh, NC 27604
114M 1 1111111441 1 1 1 [is U11 fill 1110111t J111 111111, 1 m, 1111
EXP
0�-056�
LEGEND
7 FRAXINUS PENNSYLVANICA GREEN ASH
10 QUERCUS MICHAUXII SWAMP CHESTNUT OAK
10 PLATANUS OCCIDENTALIS SYCAMORE
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3-4', 10 GAL.
9 ACER RUBRUM RED MAPLE
5-6', 15 GAL.
7 QUERCUS PALUSTRIS PIN OAK
5-6', 15 GAL.
° 6 NYSSA SYLVATICA
BLACK 'GUM 3-4', 10 GAL.
3 KOELREUTARIA PANICULATA GOLDEN, R:'} -REE
3-4', 10 GAL.
C3 153 ILEX VERTICILLATA WINTERBE=RRY
24-36 ", 7 GAL.
O 104 CORNUS MAS RED OSIER
DOGWOOD 24-36" 7
GAL.
125 HAMAMELIS VIRGINIANA
WITCH HAZEL
24-36 ", 7 GAL.
56 VIBURNUM DENTATUM ARRO -
W WobD 18-24", 3 GAL
ME1,335 DESCHAMPSIA CAESPITOSA TUFTED HAIR GRASS
3.5" POT
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1,424 IRIS VIRGINICA'
SOUTHERN BLUE FLAG IRIS
1 GAL.
1,719 VALISNARIA AMERICANA WILD CELERY
BARE ROOT
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1 SPACE
18 SPACES
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I DESIGNED BY- AM�T
ODIUWN Br. -
AMT
03-26-64
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/ / ~ ~ / ~ "F~
/ / , ~ Hw1DAHEEL a. aTS.1o s3s.w TRASH RACK {SE.E DErAT~ T~
/ / ~ MwHOIe srEPS Ta eE aRamm AT I'-2' O.C. TRASH ~ V1 -TPo192 RACI(
~ ~ ~ ~ ~ _ _ (Sff DETAL) I / 2 NTIH NCDOT SID. 810
~ / I I /
~ I / ' EL aw.+o oP oP R6ER
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i ~ i i ( ~ / ~ ~ \ D17ES~NVERiEd SFFgN srzrs wsamu a mnmua, mrmwr,a ~ N~T2xws iRGN n103E aorn war wm uaD nmvn[t M ~ ws furagED is U TIE cw~+xc vrtx 1ETATLS a M tNDPOSEI STEPS AI® NHS RFICFTVEI VRITTfN AP~mvAL fRal THE 0gKffi iLR TIE IISE 7 SIIDI fT[PS.
/ I ~ i i ~ Wiz r/ ~ 1f~ ~.Wn6,~~ N p
/ / 1 ~ / ~ ~ I ~ I ~ J
i~ 6 i i ~ ~ ~ ~ NNSE 6J5.00 t . ^I L Zf~ ~ s f..( W Z I
/ ~ i ~ ~ Y Y (TVP.) , P1gr+ SIDE PLAN SIDE y O
s ELEVATION ELEVATION yI ~ Qi O e I FT. DNMEIER ' ~ W ~ ~s
i. ~ ~ ~ 1 tAYNIDIE PoSER ~ N 1? ~ CAST OtON y U] 1` (a+E-rnsTSECnais) G--~~-) rn~ ELEVATIw ~ ~ d N
~ 634.25 ~ ~ I I ~ 4 FT. DMMETER / ~ MvaatE RISER ~ l frRE-CAST SFCnaNS) ELEVAnI>h ~ W ~ a ( a A~ o~ a
~ ~ ~ ~ ~ °m c 'W W WN • y. K ~ Q 7 n -
/ ~ I ~ - I ~ a' w. I / ~ i ~ ~ ~ awER xr. ~~y ~ (sEE oU a TK+ Pulc wL~E w A ~ F~ ~ (5EE o2rtlEr STRUCTURE $ w". a v~, z z
/ ~ ~ ' ~ ~ sIPMON EL MAIERML wQENNL SPECF1CggN5) T- ~ ~ tl H W 1(7 O e' aal rtuc vuoE ~ ~ .r O O tl~~ ~ _ (5EE OUftfT SIRUCOII~ gg{ sIDE SIDE ~ z Qw O.I' O O
i ~ } ~ / 1 cASICET WALL T>uL TMIENW~L SPECIFlCATTONS) I- A AN EL€vAro:, Q \ F d~ O Y~ D-PoNG RCP A ~
632.5 i ~ ~ ~ 632.5 ~ ~ \ ~ ~ ~ ~ 1 o-RA+c RcP C~~ LL rr ll o-RINC RcP a ~ ~
/ , ~ / / ~ ~ ~ wATm nst+r / ~ + ~ ~ 1 ~ ~ sul C-'' V W U ~ t0 ELEVATIDN sErna A-A (,--~C-I r~~ N"wuu. (za O t''J
/ ~ ~ 1 ~I ~ ~ 633.5 j ~ ~ I 1 ~ a~ z w
1 I ~ 6wtR¢
/ ~ + ~ ~ / ~ i ~ wv. a a~so ~ TOP OF / ~ / a• o" olv << / 633.5 ~ + ~ 1 1 ~ POND ORNN PIPE ~ i PREP BASE ~ ~ c~+a z W 36" FES W ~ ' O ~I ~ NCDOT CLASS '1" RIP-RAP p"
~ ~ + / 633.5 ELEV. - 1.00 i ~ ~ ~ 1 ~ ~ L I - t ~ 36' (w s33s (1 OE MIN.) + ~ ~ 1 ~ 1 ~ ~ y ~ 24' L x 2T W x 22" THICK
~ ~ ~ 633.5 ~ ~ ~ ~ 1 PaECASr BME I ~ i I I 10'0D• I _ AVG. DIA. 13" I ~ "FRONT VIEW" 36" 0 RING
/ 6336 + ~ ~ 1 I I laoo'
~ ~ 633.5 ~ ~ ~ i • ~ ~ / + i/ J ~ SIDE VIEW" A A
~ / 634.25 f ~ ~ ~ I l J f ~ ~ ~ ~ ~ ~
/ ~ ~ / / ~ ~ vELOC DiSSIPATOR Pf ~ ~ POND OUTLET STRUCTURE DETAIL POND OUTLET STRUCTURE DETAIL DETAIL Nis
~ 24' TWx22"THK. + ~ ~ i / l - I ~ Mrs I/ i l fV
~ ~ x33.5 i AVG DIA. 13" NCDO~ 1 I / ~ 1 ~ RONS: NOTE: TaA ~ C S 1 RIP ~ / 1 ~ ~ I ~ i ~ ~ wo m eE rxwoam oR ~E ~awom wIR A FawIEO A NOTE: iRASHRICK TO 6E FORMED Aft0U10 OUTSIDE t
emArqus tovrc. EDGE DF ~ ~ ~ I ~ / x TtIF ror-0rPm. fYLMY® Yax,/•• ANAtfS Sru1 a Rt10tD m DIE REBIR + 90 LF ~U-RING % ~ ~ ~ J I i ~;f nMSx Rwc oRa ~mnm. Tic cx>w~t Asso~r swL a w~cm amo nc MRi COVI„C. EDGE OF Olfi(ET BARREL. fit. R®IR c, THE
a . 1 ~ 1 MwAraE Rata rwM writs sRnrc gECA.Y oN TOP a xsER. / 634.25 0.55x ~ (p ' ~ 1 J I I 9' WIDE
l i ~ I ~ I II I ~ D 0 STRUCTURE ~2'S I I I : ~ "xas cAh tcENrERm Q 36' FES 44'
/ / / I ~ ~ ~ I I ~ wwaLe s~PS1 ENO a S E DETAIL ~ I i I ACC6S GATE sHAu % ~ I I I ~ ; owaAP aN TOP aP s.o' TA' OtL RRlW RAVG 7.7 oIL RE&k RNG pl (~N
+ ~ / i ~ I ~ I pA REHrR alxG. s33~ + 1 I I
/ ~ i 632s I , , I I r r 36' 0-RING
i + ~ ~ ~ f I / x32.5 I i / I I I • z a MflDED wIRE FABRIC RCP rEA~2 ~~,DP,
~ ~ I
I / ~ FABRM'w y PROPERTY t1NE ~ I ~ I ~ I ~ TEO ""cES R®AR ~ ~ Iii ~I~iu~•i - ~ ~i t~x7x~ ~i ~~-~11 I~I~ I ~1=
~ ~ I ~ ~ 4.0' pA RFBAR RMG I I I I I 1 S' OK REE41R RING II ~ DIP ~ ~ (~n I • ~H~~ , ~
~ / ~ ~ I ~ / I I I r a. RE&R RING accESS GATE DETAIL / I J~ C ort REBAR ~~~1.~l~.L~l..~! r
~ ~ + ~ ~ I ~ I I S' a. RE&R RING ~ ~ s .2 36" FES ~ I I ~ j ' r on Rm?~ wNC~ r 2r SECTION A-A ` ~ ~ z
~ / + / ~ INV.~632.OOt I I FILTER BLANKET p
/ ~ ~ ~ 54 i~ 1 ~ EllY - ras.w / 33. I / / ,y I I ' A FILTER BLANKET IS TO BE INSTALLED (SEE NOTE) ; ~
~ / ~ i ~ ~ ! ~ t ~ / / I I H REeAR r BETWEEN THE RIPRAP AND SOIL FOUNDATION. a- 3000 THE FILTER BLANKET WILL CONSIST OF A W
~ / / ~ ~ ~ 1 _ 1 I I I4 4' LD. MANHOLE l / 1 1 7 lF Yx2'xl/C ANGLE ~-4' LD. WWHOIE RISER MINIMUM 4" THICK LAYER OF STONE NCDOT I ~
4 I 1 . 1i I X57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700 s OR APPROVED EQUNALENT
/ / r ~ .1 1 - 2RFa TKP r OUTLET ARRE
~ / ~ I li Axss GATE (certElon off ~ I ( I N TIAt4bIE STEPS) Erb of 2~ ro mPa L VELOCITY QISSIPATOR ND¢ STEPS) EN0 of 2:ONCPEID MIO-FIDTATpN BLOCK N.r.s.
~ 83+4.25 / / a ~ I ( I ELEVATION EW ACCESS GATE 9AAt1 ( I a~aur aN mP aF s' ow ESS OOE 9NLL (sFE «2055-sECTaN) TUP aN TOP aF 5' IAl Vt RP2c. NOTES
/ ~ 15 JIIRJMi ' I I ' REtMR RING. i ~ ~ ( i ~ Ta v Yx2'x1/a•,wctE t.t2 Fi. (NIN.) 1. CO¦CIE~ FOR CQLNIS SHALL ~ 3000 P9 (NN.) 28 OAT
/ II 1 I ~ 1 SR~IB¦I f l 2 COLLIRS SNALL ~ OONECTm TID 42' 0-RN6 RCP MTN
i~ i ~ i J i t A ~1~ 1gIT JO•IT. A OOIl1RS SHKL H SPM~D Al0¦O BARRs1 AT 17-0' O.C.
i ~ i I I
i~ ? I 2.20' 61N1 PROJdECTION Nr prP.) 6" M!.
~ / 30 SANRARY SEWER / - / i - ~ ~ I . ~ EASEMENT (Trn.) ~ ( I i i I ~DTC ~
~ ~ ~ I N RE6W wElnm ~ ~ . / I I I mQa csFE NOTE) i• ~`t
i / _ .r I I i - ~ _ ~~.q. . • Y ~ I I r • L ~ i • Y
/ / f, ~ ~ ~ I 1' ow RtTMR RMG •f• • •4' DYI. RFBAR RING ~ +
i ~ / i I (cNO°Ns cA ~ i~ ~ i , ~ I \ 5' oIA REBAR Rtac (ENDS ON ACCESS GTE) • ,'sti.; 2A. REBAR R[VG tD f i ~ j
/ - ~ / . ~ ~ ~ i I T DU. RtTWt RNG ~ / ~ ~ I I RIHW RING » „ 8 DRAIN TRA H ~ • S GUARD DETAIL NTS ~
/ / ~ - - i ~ S i ~ I ` PLAN NEw ~ :.=i:ti
- /1 REBAR TRASH Rw~C (AD0rE1 wETwros .:.ti _ -
KILT SPACED . v i •~s••'r• Fti
STORMWATER WETLAND 1 ANGHOR,RA~ RACK ~ TTY ~ ~ D~wLY Hor-aIPPEO GAL ww¢m sTEa aAMPS. E1CN aAAIP Aaoro® TD Mw.rOrE IAIP 1D BE OO~UED -
GRADING PLAN PEER RY z-ax"`' coea~TE ANaXAT RATS. EACH aAlr To eE ooAho N/A BRUMAb115 CCA1MrG. O
sCALE: ~'=~o' TRASH o~ra~ M.TS. NCRETE ANTI-SE P C LLAR
tMS)
WETLAND CONSTRUCTION SE UENCE Q
WETLAND OUTLET STRUCTURE NOTES: 1. REFER TO EROSION CONTROL CONSTRUCTION SEQUENCE SHEET ECP-2 AND F OLIAW ALL ASPECTS OF EROSION CONTROL PLAN AS CONSTRUC110N IS OOMPLEfED.
2. T~RMD IS TO ~ UR12>:D AS A SEDMENT BASIN DURING CONSTRUCTION ACTMTES. CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT BASH. 1. 36' RCP OUTLET BARR0. SHALL BE CLASS 11 RCP. MODIFIED BILL AND SPIGOT, MEETNG Amt C7G IIIE JOMS SHALL 3. YE~BOELY IN5GY1 SlT FENCE NSIDE PERIMETER OF UMrt OF OONSTRUCTION.
~ CONFlNED 0-RNG RUBBER f,ASKET JONiS MFEING Amt 0-413 AND Amt C-361. 4. E1N~IN1E KEY TRENCH PER M~T1M0 A DETAIL, SHEET SW-1.
2. THE WAFNiOIE OORET RISERS SHal BE 4' LD., MEETlIG ASM c-478 4t AASNTO M-T>1R, N1111 PREGIST EXTENDED ~1. KEY 1REIICN AND RAISE BERM PER BERM SOIL ANO COMPACTION SPECIFlCATION$ ITEMS {)1 AND PERFORM SOILS COMPACTION TESTS PER ITEM /2. BASE. THE MANHOLE JOMS SWW. BE ASTM C-u3 RueeER 6n6KEi .beAS. uNNOIF ,larl5 SIw18E SECURELY 6. E>RIM~M1E TRENCH FOR 30" 0-RNG RCP AND INSTALL PER PUW AND OUTLET STRUCTUf~ MATERWI. SPECFiCATiONS. i
ANCFIORED IOGED~R TO PRE1TNf SEPARATION. 7. MdIP ALL JONES MIRI GEOlE1L111E fABRIC PER ITEM /4 Of OUREf STRUCTURE MATERIAL SPECIFlCATIONS. 8. BISTAII MITI-SEEP OOUARS PER DETAIS. I
3. OURET STRUCTURES SFial BE PROVIDED w11F1 S1EP5 T'-Y ON CENTER S1EP5 SFMLL BE N ACCT)RpANCE WITH NCDOT 9. 91p~1 ARWltO 0-IllIC RCP PER BERM SOIL AND COMPACTION $PECEICATIONS ITEM ~1 PERFORM TESTS PER ITEM ~2 OF BERN SOIL AND COMPACTION SPECIFlCA110N5.
10. MSTALL STORMICEiial IMF PER STORMCEPTOR DETAILS. 4. CONCRETE ANTI-FLOTATKXI BLOCK SHALL f11EGRALLY AITACIED TO RISER BASE 110 PIIVEiIf 105ER/BLOCK 11. E)IpIMNTE AREA FOR MITI-FtpFAIION BLOCK.
SEPERATION. F POSSIBLE, THK SHALL BE PRE-CASE AS PARE aF THE MANHOLE RISER iMT. 12. AOD 4' DIAMEIBI RISER AND SECURE TO ANTI-FLOTATION BLOCK. 13. 6110UF 36' BARREL AT COiNECTION TO RISER FOR WATERPROOFNG.
14. MISULL STEPS ~ RiSER OR NSPECT RISER FOR PROPER NSTALlATION OF STEPS PER N000T STANDARD 840.66.
1S. NSTAII 8' PLUG 1NLYE AIiE! 8" DIAMiETER DIP OR TEMPO(LIR1' EROSION COMROL PIPE. OUTLET STRUCTURE MATERIAL SPECIFICATIONS: is. i 1IIEtL~wD IS TO M UilliFD AS SEDIMENT BASIN, GRADE NTERIOR of WETLAND TO SEDIMENT BASIN GRADING SPECIFlCATIONS. HANDNR~E'L'L EL 638.10 ~ OTmEr
17. MSGLL TEMPORMY EROSION CONTROL RISER AND SKIMMER 18. IM/fiAB1 SEDREIR LEVELS BELOW MAXIMUM LEVEL THROUGHOUT LIFE Of SEDIMENT BILSIN. (sEE DETAIL) TDP aF eER¦ EL M1.OD
T. POND DRAWDOWN is YW AN 8' PLUG VALVE. THE vALVE SHALL BE A M1M STYLE 820 x~QARIC Mt1YE OR APPROVED 19. RH1011E TEkPORARY SEDMENT BASIN OUTLET STRUCTURE AND NSTALL 8" DNMETER DP. 8' PLUG VALVE I$ TO REMAIN OPEN UNTIL CONSTRUCTION OF WETLAND IS COMPLETE. EOUAL THIS VALVE S IN ACCORDANCE WITH AWWA C-504 SEC. 5.5, AND SFIAIl BE OPERABLE FlLOM TOP OF OUTLET TOP a TtSER EL aTi..D
STRUCTURE vrA A HANOWHEEL (SEE DETaL). 20. Af1ER STABIL11A710N OF SRE, AND APPROVAL OF EROSION CONTROL OFFICER. GRADE WETLAND TO WETLAND DESIGN GRADES. BELOW NORMAL POOL, NTERIOR OF WETLAND SFIOIRD M GRADED TO A INMIwI OF 1' BELOW DESIGN GRADES AND B/tCl(FII.LED MATH TOPSOIL TO DESIGN GRADES. GRADES AND SPOT ELEVATIONS N NTERIOR OF WETLAND WILL
2. ALL POURED CONCRETE SHALL BE MINIMUM 3000 PSI (28 DAY) UNLESS OTHERWISE NCAED. BE PREC6E DER PLAN, OR GRADNC WILL BE REJECTED AND REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TINE A$ INTERIOR GRADES ARE ACCEPTABLE. i
3. THE NIVERTED SIPHON SHALL BE t LF-3 INCH OWIEIER SCH. 40 PVC PEE. ASTIA 0 1786. 21. PLANi ALL WETWD PLAM15 PER WERAND LANDSCAPING PLAN, SHEET 0-10. 22. MN5W1 TRASH RACK AMO HANDWHEEL PER DETAIL SHEET, SW-1.
4. GEOTEXTILE FABRIC FOR THE 36 INCH OUTLET BARREL JOlRS SIia.l BE AMOCO SME 4553 POIYPROPYIEFE UPON CdlLETION OF ALL ASPECTS OF WETLAND CONSTRUCTION AND COMPLETE STABILIZATION OF SITE. CLOSE 8" PLUG VALVE. NON-WOJEN NEEDLE PUNCHED FABRK: OR APPROVED EOIIAL (NON-WOTEN FABRIC). 14` I ~N 2•
NORMAL POOL a. ueeo D t~+ ~ ~ ~A, UPPER fNV. PtlC SIFIIIN = t' R. •l
STORIr11WATER WETLAND GRADING NOTES: TAN. ~1/ / OQYBt T OUER t'!E GEOlOf11[ BARR}1 MV. OlR =632.
THE STORMNATER WETUND DEPICTED ON THIS PLAN SHEET IS GRADED PER NC DMSgN OF WATER OUALTiY STORMWATER BEST BERM SOIL AND COMPACTION SPECIFICATIONS: MAi1N6ot11r PRACTICES, APRIL 15x99. PER THIS MANUAL. REOINREMENTS FOR GRADNG AREAS BELOW NORMAL ARE: 3• DaL TIIYERIEO ~ S¦LL PTA(2D AIIBI¦p i T ~¦S RCP MRRa M 7 ~ ~ hC SlIION (9GT. 10 l~MS dl IOIR. I~
1. JO>< OF AREA OF NORMAL POOL TO BE DESIGNED AS A MARSH MITI DEPTHS RANGNG FROM 0-18 INCHES. DISTRIBUTION 1. ALL F11 SOILS FOR BERM SECTION SHALL BE CLEAN, R,IPEfAfABIE WTFRML AND COMPACTED TO AT LEAST 98R EOUIIL M1IMEEN AREAS 0-9 NCHES AND 9-18 INCHES DEEP. ISAI 017lS) ~OQOCrtY 1~1
STANDARD PROCTOR MAXIMUM DRY OENSRY, AT OPTIMUM MOISTURE CONTENT. NO BLASTED MATERMLS SNNL BE USED IN 2. 1'.Ir<' Of AREA TO BE 3 FEET DEEP AT THE OUTLET STRUCTURE LOCATION (sEE oEwU
A~GEO~TEC~tMOKCa~. ENGM:'ERUSHal aPVROVE THE~S0ILS?O ~ ~ N oR 3. Tif 6AlMICE (1Sx> Ts Fl.DLLBIE As To DEPTIiS. G~ID~NG jT~,' GEND TFESH E1Mi~ CONSTRUCTION, >INaNG INTO ~pp~ µY pNp ~ FUTURE USES OF ~ EMBANKMENT SECTION ADORIOMALLY, THE TIETIAfb IS TO 8E PLANTED UPON OOAPLEfpN USING SPECIES SUITABLE FOR INUNDATION AS LISTED IN THE POND Rev. EL 63250 a ti: O-RING ¦ly ~ O.aet (a ¦ RDP)
NC DMSION OF WATER OIWIIY ~STORMWATER BEST MAIMGEMEMIi PRACTICE MANUAL". 2. IN ALL FlLL AREAS OF T}E BERM, A SOES COMPACTION TEST SHALL Bf CONDUCTED EACH 2500 SOUNT[ FEET PER (a+ v?c¦m aF au~r ~ ,
VERTICAL. F00T OF FILL. FLl SHALL BE PLACED N UFlS NOT TO EXCEED 8 RlCtES LOOSE THICIOIESS. GRADBIC SPECIFIGITIONS FOR THIS STORMWATER WETLAND ARE: STORM DRAINAGE GE OMN TRASH GUARD OARS TIN. 1 i °~5 1~ ~ N"Tu1'S° i S
3. A KEY 7TtENCH IS TO BE PROVIDED N ALL FlLL AREAS. TRENCH TO EXTEND A MINMIUM ~ FNE FEET BELOW EXISTING 1' TDTAL AREA AT /BELOW EL 635 (NORMAL POOL) =34,976 $F STORM SERVICE LNE GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUFEt1ENf OF /i ABOVE. 2. AREA. O TO 9" DEEP = 12.247 SF (35.09.) L!E S Mn~1. 1 4~ e' DP DRAM! PIPE I
3. AREA, 9' TO 18' DEEP = 12.243 SF (35.00 -TP -TP -TP - TREE PROTEC110N 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. 4. AREA AT OUTLET. > 18' DEEP = 5.244 SF (15.OR) ON I wm-sEEP CaW~RS (%3) To eE
5. AREA N FOREBAY, > 18' DEEP = 5,242 SF T S.OR AREA 5. MAXMIUM FRL LIFT THICKNESS FOR BOTH THE EMBANKMENT SECTION MID KEY TRENCH - B•. ( ) r ¦T. PEUC vALVE ~ sPACEO a 21'-0• o.c. (SEE OETAL) (sa aunFT STRUCTURE oMa¦u~ SPEC2FIICATgNS)
250 10' coNTOUR Tttt
PERMANENT SEEDING SCHEDULE TEMPORARY SEEDING SCHEDULE SEEDBED PREPARATION 252 2' caNTOUR ~ ~ S' Ff. MIN. sPEa~>aaals)
EXISTING 10' CONTOUR DNTOIMt
SF >~OM I~.IrE ~,mff 1.) CH15Fl COYPAL'tED AREAS ANO SPREAD TOPSOIL 3 NCHES DEEP OVER ADt~ERSE SOIL CONDRIOIS. IF AVAILAEKE. _ _,.-.---.e EXISTING 2' CONTOUR NTOUR wAERi1GHt S6Al 10 ~ PROVIDED
At1G 25 -OCT. (BEST) TALL FESCUE 200 LBS/AC ,AW 1 - WY 1 f1E (GHQ 1aD (!SI/AC -APR Is tPOSr~E1 Tx~E IAA ~ 2.) RP TIE ENf1E AREA TO 6 81CHFS DEPTH. - - - - - EASEMENT LINE AT RrsEn/ewn ¦w~IFACE ~
3.) RE110VE All LASE ROCK. R00T5. ANO OTHER OBSTRIICTpNS wY I - w1G Is G6rAw AREEr a IBS/AC LFAYNC SURFACE REASONABLY SMOOTH AND lN1FORM. ® FLARED END SEC110N
lPPLY tME AND FERTRRER ACCORDNG TO SOIL TESTS, oR APPLY 1000 LB/ACRE t410urb ACAICULTURAL LRIESTONE AND 1000 to/ACRE la~o-lo FERTLaER. Auc Ts - occ w xrE (awq Tao tes/AC 4') ~Y~YA ~ ~ ~~IB~ER. ~D SuPERPIgSPw\1E :C110N I~ PERMANENT BERM CROSS SECTION PRWECT ND. ARC-03010
lily ( ~ CATCH BASH
APPLY 1000 lB/AC STRAW. ANCHOR STRAW BY TAf101G TIRI ASPHALT, NEITRIC, ;~LMN~ 5.) COMMIE TTLIAGE 1R11L A WELL-Pl1WERRm, FMtM OR A MULCH ANCHORRIG TOOL A D5K wRH tTA0E5 SEf NEARLY SiRAICIIT C?N FOLLOW REaourllWetoNS GF TXR 1E3I5 OR ,WKLY t,~ I~/AC gtolxrD REASONABLY UNIFORM SEET>BED IS PREPARED 4 TO 6 INCHES DEEP. ~ DROP INLET ARC03010-SK1
BE USED AS A MULCH ANCHORNG TOOL ACPoCULIURE L~fS101E AND 7S0 1!/AC TO-10-TO t{lt~QEIE (fROY Auc is -DEC w. 4C/EAQE To-TO-TO teITUZER To Togo ts/AC). 6.) SEm ON A FRt3iHlY PREPARED SEEDBED ANO COVER DESIGNED 9Y: -
1B~tlNµF 1tlIlZ © STORMCEPTOR INSPECT D REPNR MULCH FltEOIEMLY. REFFRiIIpE N IAiE LAMER OF 11E 7.) MULCH NA4EDNTELY AFTER SEEDING AND ANCHOR MULCH. l1EA11N BY: -
FoiLawrw YFAIt usE sat. TFS1S OR APPLY r50 to/Aa+E To-TO-lo. Mow APPLY loon ta/AC smw?. Attplott snrw or TAaotG wm Asrtru. RETRxc, REGIEARLY TO A HEXYiT OF 2-1 NCHES. OR A gA.pl ANCIb14M. TOOT. A 06R ARDr BLADES SkT IEMLY STRNprt CAH DRAINAGE FLOW ARROW 1 ARROW
W~ d.~ tE usED AS A rAACN ANCIbIWIG TOOL 8.} fVSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPaRS OR PFiIAR f1ATC SCALE. 1 oo~
llll®II~ RESEEONGS NAIFNN THE PLANTING SEASON, IF POSSIBLE. IF ? BETWEEN MAY 1 AND AUG. 15. AOD 15 to/ACRE womowAss oa io t8/ AcRE
GER AN NLLET. BEFORE MAY I. oR AFTER Am 15. Am 4o LB/AcnE aK (GRAIN). JAN 1 - AUG 15: REFEMILIM IF gKWrH 6 FULLY NOF A00uA , STAND SHOULD BE OVER 60% DAMAGED. REESTABLISH FOLLOWING r a ZiJ= RMM 1 AND WACH nIMIKI . ORIGINAL LIME, FERTILIZER AND SEEDING RATES. 100-YR. BUFFER FGl10MM FAN OR OTHER 006GE. ~ .ul R DATE: 02-04-04
NQM- PERMANENT SEEDING SCHEDULE IS FOR EXTERIOR SLOPES OF THE AUG 15 - DEC w: REIVM AND IAyERIUZE DAMAM AFAAS ssL9QHATE?Y. SEED LIGHTLY WrH SEEDING EQUIPMENT OR CULTPACK AFTER SEEDING. SBEF.T NO.
WETLAND. AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL TOP pAS$ OM so to/AE OF MIIIODFN IN MW4n 9.) CONSULT CONSERVATION NSPECTOR ON MAINTENANCE TREATMENT 100-YR. FLOOD PLAIN ELEVATION. IF 6 ~ I AM TO OCT04D 16iIPO01m OQ- ~EYpq SEEM "ISM WITH 50 LB/AC ROBE IESPEDE7A IN AND FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED. PLAIN MAR 2 6 2004 The John R. McAdams Co., Inc,
LATE FEBWJW OR EARN MMICK j` 30' STREAM BUFFER
WT ; USE THE TEMPORARY SEEDING SCHEDULE ONLY wHEN DATE S NOT P CORRECT TO USE THE PERMANENT SEEDING SCHEDULE. • See seasonal applleatan schedule I lr.
PRELINUNARY DRAWING - NOT RELEASED FOR CONSTRUCTION IMCADAMS

, ~ I ` ~ HWDWHE0. EL 827.45 TPISH RACK (SEE OFTNL)
~ / I/ ' / / I ~ A NOTES / / / ~ / ~ ~ / I ~ 1. shPS Ta eE w+owDEn
~ / ~ / / AT 1'-2 O.C. TRH RACY / / / / ~ / ~ " I I ~ i ~ ~ (SEE DETAIL) N RACN DETAIL)
/ / / / ~ j / I I ~ ~ A ~ ~ tJ (n 2. SRpS SFPoLL BE W 1CCORNI7CE ` / / l / I W _LiI WRH NCOOT STD, 840.68 ,
/ / I / I I U~ U C9. / ( / 1 ~ / ~ Q~Q ~ A
I/ i / Q 0: ~ / / / / ~ . / / g 0~~ QI d. ~ ~ R
/ / / ~ / / i / 'w I 0_ I ~ \ ~ A~iissfEVS sNKL KOTRIOE r rAa U6IDC rAa Q s,QUCrtat V0.L. STCiS DFfEAIhJ p /UENS1p~, COIrIOMTTON LR MAICRIALS rAEN ISDSC AOYN NAY ALSO K USED IA?YIIE9 THE CR7fRACTOR NAS NWy~p ~
/ / / I / 1 ~ I ~ iK CNSIEG 1'RN tfA0.5 0 THE MIDo05CD STE/S AXD WS AECCIVEI VRITTFN MPAOVK il~?S 11E [NWICER Flt rFE USC 7 SUCH LlC?S.
/ / I , ~ 1~ / / / ~ ~ ~ ~ ~ ~ of es wr~t~ ~r~ar+x 1 W rII v, AA r ~ `a ~ (1,' O
S O O
r (,rPa ~ ~ zl
/ I ~ 6~.0 / ~ / / ~ . / I / W / ~ I NwSE 62J.00 , (ryp,) n[E ~ o~ PLdy SIDE ~ ~ E SVAT N ^ a
/ / ~ U~ I / • ~ e / Ff. ONHLIER l- CAST DtON I` FW- ~ ~ I N yr ~ w ~ d N
/ ~ a / l~ J J {n l I 1 'i wlYlOlE RISER S~~-~--I ELEVATIQ! CSI (PRE-CAST SECTIONS) CAST IRfw ~ W
/ + I l J ~l l 620.0 1 WAFTER / 1 / c 4fT.D ELEXA3705 ~ ~ O Q•I'
I ~ / l / ~ ~ MkMOLE LASER / ~ l I N V / (n /W / (n U (PRE-CAST SECTIONS) aU W K DAyAt DA ~ ~ n i;~ ~ ~ pp r f"`I
/ 1/ l_ - ~ I I ! Q U/ U U W Cj ~ ~ c ! fN.V'1. N 1• qit PLUO VALVE ~ l(~ O
/ I I 6YO.0 ~ d ~ Q Q Q Q a ' ~ ount Z / /I W ~ DS I ~ / ~ d 4 / 0_ Q LowER wr. 522.2lI .I INTERNE sPEc / r I ~ I ~i U7 (n v (SEE OUTLET STRUCTURE ~ W I.y Q W WIERNL SPECIFICATIOIS) r qA PLUC vuvE T » ~ Q.I GLi O O
/ J / ~ _ ( I I I K) / N / SIPHON EL / r ~ M M M rr (SEE OUTLET STRUCTURE r J~ SIDE S[DE Z ~ N ~ ~ w1ETiYL SPECIFlCAlIONS) ~i T.LEVATIW 38' DN. S ~ ~ U) I
i / r / / i / I I I I I a~ ~ ~ ~ / ~ ~ ~ ~ wAU 0-RING RCP !f3' ~ a F~ ~ A` 36' OUL W ~N ~ ~
I l I l 1 + 1 / l / a ~ / I I l s2o.o / , a I~ o36ia~c ~ 0-~ ~ SECTIQI A-A ~AA>*ES[K~ W W O ¢LCVATION
/ J / ~ I I I J / / ~ wTEa TIGIfT l I I I I ~ uu I / I I J / z ~ W C.
I ~ l / Y I I 1+ 1 r / a
/ ~ / / ) X620.0 / / / r I I~ I l a 30' SANITARY SEWER i ~l / l~ 1 l 1 / l i u~'-n`~- I 3P' (wrr.) 36" FES W I~sE ~I NCDOT CLASS "B" RIP-RAP
EASEMENT TYP. / / I 1 ~ f I / ( ) / I / PrOID~DIM 1 PIPE `I t < 24' L x 2T W x 22" THICK
1 1 I / l ~ ~I c~ ~ 76' (WN.) FIB / l I ~ 621.25 / + / ; / a / ~ MsE 4 ~ I ~ (µN') to,Dy AVG. DIR. 6" ` t N 36" 0-RING RCP
/ I I; I I / s2T.d i ~ / r F'RWIT VIEW'
l I / / / i / / ID.oD' ~ I A A -
/ / I I / i / ~ SIDE VIEW" / .
I I l 1 I 622. / i l I I / l , / / i TAIL err POND OUTLET STRUCTURE DE
t ~ / / ~ POND OUTLET STRUCTURE DETAIL / ,S ~ r / ~ ; I / / / / / Nrs IETAIL NiS ~ N
~ / ~ ~ l I ~ / / ,
1 l a l , ~ ~r / i ~ R°'ts inR"" tD ~u~~ 1 l , I / / ~ 1. wLL ~ To ec N Nmw, TAASNRACK TO 9E ~ ~ `I NOTE iOR11ED AROUND OUTSIDE ~ IvOIO. EDCC OF OUTET BYRAEI. ~ yh.;;
I j 1 l 1 821.5 / / s Au AEI AW ANpES To e[ auvwrrFD at s FAOwuD MtTM ~ rRFr~louc DOIAI0. moE OF ouR I 1 ~ , ~ / / 11K NOhpMm, CILrfHZfD Ydxt/~' ANGLE$ fwl BE MT4pD1 ID 1R ~ la I I ~ ~ ~ 1 1 / / ~ ~ ~ axa u~iaES Dirr~nr°~ar ~v"aF ~ aRO we R 9' WIDE 4
I ,t I l ~ ~ / what ANSR rn+ f I ~ 1 1 1 / / 4;.
I J I / / ! l / ~ / / / 1 36" FES 27'
I / tl / j I / 621.5 ~ / } / i~ / ~ ~~s~°~ P~A(d
/ _ 7A' DM REiR ANC Fp / i 1 / / / 2.25 / / 622. 5 / ~ ~ ~ / ON TGP oP s.a' 1 ~ ~ I l / ~ / i 00. I~It LING. ' DD? RTiR AwD -
15 SiREr#M 1 / J / / / / U ~ , z' 36" 0-RING
t BUFFER / TYP, / / / ~ i / / I ' 1~6t aIIE FADDiIC RCP
/ ~ / 1 / s2 / / ~ ~ / / / ,7 ~ i J U / / / ~ _I _
i / J l / / / / 0.5' RADI i ~ / / ~ / , / / " ~xxz1 ~ - ~ _ _I
~ ~ ~ l l I J ~ / / , / ~ - FAeRICUiED w+GEs j % / ~ / • ~ ~ 4.0' D0. REEK LANG ~~I ~ I ~ IIK rF a DRAIN P6T: (N II
/ ~ J ~ / ~ / ~ ~ - / S' DM AEBAR RING r~ ~ i l 1 ¦ OA / ~ ~ ~ ~Ilm
I I / 1 ~ 2.2 •5 / ~ ~ ~ 1, DM REBAR RING ACCESS GATE DETAIL 1 1(~`il ~ / / ~ i ' i P ~ RE81R R z TI -A ~
a ~ 1 / 1 ~ 1 / / Y 0411 A48AR RWC ~ I I / / / / ~ ~ Y OK REBAR RWG~ 1. r Z r ~T FILTER BLANKET O
I I 1 l 1 / / l / / I / I X621. / / / / ~ - ~ t' A FILTER BLANKET IS TO BE INSTALLED (SEE NOTE)
/ / / i~ 1 / / 622.25 l I / J a 1' t BETWEEN THE RIPRAP AND SOIL FOUNDATION. 5 T' W 1' THE FLTER BLANKET WILL CONSIST OF A
~l A 1 l l / / 1 / ~ 1 I 's REBAR 300D ~ cps ' MINIMUM 4' THICK LAYER OF STONE NCDOT ~ 1' LD. NANTiOIE PoSER (
~ J I I J / /4 RFBAR 1' LD. M4Yi0LE Po I l J I µ ~ f a( l / 7 U' 21G•id/1' ANCtE I / I I ~ li ~57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700
I ( I 1 6 .0 I 1.05''• ~ 1 / / I I~ I 1 ! ! ~ l OR APPROVED EQUIVALENT
I I I I I b+ 1 l J ~ 1 ~ 1 I I f ~ 011E (CENTERED ON T T R TY r m~a OU LE A L I 6•~ D~
1 ~ PROPERTYiUNE ~ I 1 1 f I ELEVATK>1l VIEW II~RE STEFS) END OF ADCESS G1TE SF1N.L i ptTTE (CENTERED ON f~NC~ ~x N.T.S. 'EGITE~SHN.L ~
i I I (SEA D AIL I I arsAP a+ TGP OF 5' Dot 1 I ~I I I I F>lrGl RD1G. P ON TCP OF S' Dot dQ]~; RING.
I I I I 620A I I I I bit ! ro LF rm1H• ANGIF t.12 R ~ 1. CONT~AI fOlt COWMS SNNL BE 3000 P9 (D~t.) ?d DAY STRER11R1
I I 1 I I ~ I i i ~ I l + I I s o.o I ~ / I I I ~ 2. I I I r : cauAb slww< 6E O016EC1ED ro Ir' D-TrDC T~ rrTN A TNAbt AQIT ~
d COIJM~'ENL E !MC® /LgID BIIRREI AT 22'-0" 0.C.
~ WETLANDS I 1 I+ I ~ ~ I I s~D.o I I I I I 2.20' NIN PROJECAON ~ 6' MIN.
i I I I I I I 11r (m.) to (TrP.) _ I I
l 136" ~ I I ' ~ / PLAN.¦6~ 8.50 I ~ J
I 1 1 J I ~ ~ ~.)~(sEE rgT~q ewrtlER r.• '4V
I I 1 ~ ~ RISFn I I I L 1 I' DN REBVR wNc DW6plE RISER • r..'
/ 1 I I I ~ ~ , - ~ - - - - - - y' ON REBAR RING 1 I ~ / ~ LF ~8 0-RING ~ 1 ~ - - _ - _ - - _ _ _ _ ` - - _ _ - - (ENDS aN ACCESS GATE) ~ Y~ .A 7lDS ~GGAT~ •
/ I I J J J l RCP ®4~50X \ ~ ~ ~ - - - - 5~ DK REBAR RWG ~ . ; • 0-BRIG 36'f REODR RYVO t` RCP ' • «S ~-I~1(i 0.D. ~ 16.5' DD m •'i t RCP
~ I R ~ - TDNREBAARING l _ J ~ I V LOC~ITYJDIS~IPATO \ ~ 1_~ UARD DETAIL NTS 8 DRAIN TRASH G ~
~ I 2 Lx~7wx21{'THKI _ - - - - - / I ~ / Dly. 6 ~ NCdOT ~ - - - -
~ / ~ I USS 1 v' R~P ~ - - - - - - - - - - - - - - - - - , I1 REBAR TRASH RApf V'>~ r," W ~ 1'Y' ~.Yt I' ; Fj
~~ANpKIR TpAgl Ma 10 MWiOIE wALL MTfH FOUR EOUNLY SPACED
STORMWATER WETLAND 2 G~ «w.Iw,~D m """"E R4SER BF 1-SSt1~Y OaIRIE1E A BOLTS. EALN GNf 10 BE ODAIFD YAWIOLE O
G P w/A ~IU.DI. I,'~r. GRADIN ~ , CONCRETE ANTI-S P COLLAR
c~s~
scx~: ~ =so
CTION SEQUENCE WETLAND CONSTRU
NSTRUC110N SEQUENCE, SHEEP ECP-2 AND FOLLOW ALL ASPECTS OF EROSION CONTROL PLAN AS CONSTRUCTION IS COMPLETED, WETLAND OUTLET STRUCTURE NOTES: 1. REFER 10 EROS~1 ODfifROLACSOA SEOwE1rt BASIN DURING CONS1RlICIION ACTMTIES. CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT BASIN. 2. WERIII~ M TO UEJZED
1, 36" RCP OUTLET BARREL SHAH BE CUSS SI RCP, MOOIFlED BELL AND SPIODT, IEEIIIG ASt11 C76. 1FE d0111f !WL 3. i SLT FENCE INSIDE PERRAETER OF LIMIT Of CONSTRUCTION.
BE CONFINED 0-RNG RUBBER GASKET JOMITS MEETING ASTII C-443 AND ASIY C-361. 4. EIS MEY 1R$NN PER WETLAND A OETAl, SHEET SW-1. 5. BRI10LL LEY TR81CM AND RAISE BERM PER BERM SOIL AND COMPACTION SPECIFICATIONS ITEMS ~1 AND PERFORM SOILS COMPACTION TESTS PER ITEM ~2.
2. THE 1WIHOlE OUTLET RISERS SHALL BE 4' I.D., MEETSIG ASTY C-476 t, AASHTO M-1f>91~51 ~ 8, ~k~ ~(ENCN F~ Jg• 0-RING RCP A!n NiSTALI PER PLAN AND OUTLET STRUCTURE MATERV~L SPECIFICATIONS, BASE. THE MANHOLE JOBJTS SHALL BE ASTM C-443 RUBBER CASKET JOINTS. MANHOLE J01 7, ~ ,PINTS ~ GEOTEXTILE FANG PER ITEM {'4 OF OUTLET STRUCTURE MATERUL SPECIFICATIONS.
ANCHORED TOGETHER TO PREVENT SEPARATK>H. g• NRI-BEET DOLLARS PER OETALS.
STRUCTURES SHALL BE PROVIDED WITH STEPS I'-2' ON CENTER. STEPS sHAU BE IN ACCORDANCE wm+ NCDOT 8 ~ 0-RING RCP PER BERM SOIL AND COMPACTION SPECIFICATIONS REM ~1 PERFORM TESTS PER ITEM ~2 OF BERM SOB. AND COMPACTION SPECIFlCAl10NS. TDB 066. 10. 1/Ml S1bRMC!!'Ipt UNIT PER STORINSPTOR DETAILS.
ANR-FLOTATION BLOCI( SWAU BE INTEGRALLI.Y ATTACHED TO RISER BASE TO PREVENT AISER/BLOCK 11 • E~ ~ ~"FLOTAIION BLOCK.
gEpCERATpN IF POSSIBLE, TH6 SW1ll BE PRE-CAST AS PART OF THE NMIWOLE RISER UNR. 12. ~ 4" R6"rER AND ~ ANTI-FLOTATION BLOCK. 13. BAWL AT CONNECTION TO RISER FOR WATERPROOFING IIRIORP4El VI i
14. MALL SRPS 10 RISER OR INSPECT RISER FOR PROPER INSTALLATION OF STEPS PER NCDOT STANDARD 840.66. 15, C PUIG MLYE AND 8' DWIEIER DIP OR TEMPORARY EROSION CONTROL PIPE. EL 627.16N.y, ~ 10' (WIN.) 7F
16. ? IS A E UTILIZED AS SEDI~Q BASIN, GRADE INTERIOR Of WETLAND TO SEDIMENT BASIN GRADING SPECIFICATIONS. ~ ~ lOP QF BERU 0.. 6~
OUTLET STRUCTURE MATERIAL SPECIFICATIONS: n. Niel PORMIT EROSION caNTROI RISER AND THROUGHOUT LIFE OF SEOWENT BASIN. TOP Of R15ER EL 621.15
z-CENIpIC YALVE OR NPROYEO 18. MRR~1 IEDIMl9~ (EVELS BELOW WIIOIRNI LEVEL ND DRAWT~WN IS VIA AN B" PLUG VALVE. THE VALVE SHAU BE A MdtH STYLE 820 19. 1~IPORRR1f SEDIMENT BASH OUTLET STRUCTURE AND INSTALL 8" ONMETER DIP, 8" PLUG VALVE IS TO REMAIN OPEN UNTIL CONSTRUCTION OF WETLAND IS COiLETE. 1. PO EQUAL TFSS VALVE IS IN ACCORDANCE WITH AWWA C-504 SEC. 5.5, AND SHALL BE OPER1BlE IRON TOP Oi OYRET 20 SNILIZARNI OF SITE, AND APPROVAL ~ EROSION CONTROL OFFICER, GRADE WETLAND TO WETLAND DESIGN GRADES, BELOW NIOTiNNAL POOL, INTERIOR OF W O
STRUCTURE VIA A HANDwHEEI (SEE DETAIL). SH ~ ~tDED W A MINIMUM OF 1~ BELOIY DESIGN GRADES AND BACKFN.LED WRH TOPSOIL TO DESIGN GRADES. GRADES AND SPOT ELEVATIONS IN INTERIOR OF WETLIEO WILL OLD 1
DAY UNLESS oTFfAWISE NOTED. BE P~ME PER PINT, OR GRADNC ~ BE REJECTED ANO REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TIME AS INTERIOR GRADES ATBi ACCEPTABLE, 2. ALL POURED CONCRETE SHAD ~ MINIMUM 3000 PSI (26 ) 21 P~16f ALL WETLwID PLANTS PER 1R71AND LANASCAPING PLAN, SHEET D-10. ~ s~eel
3. THE INVERTED SIPHON SHALL. BE i LF-3 INCH DWIETER SCH. 10 PVC PIPE. ASIY D 1785. 22. NSRrI'R~SH R1NIC AND IW6lIMEEI PER DETNL SHEET, SW-1. NORIRIL POOL EL. 623.00 Q ~ CAA ~j
51riE 4553 POLYPROPYIDE UPOIN ~LEIgN ~ ALL ASPEitS OF WETLAND CONSTRUCTION AND COMPLETE STABWZATION OF SITE, CLOSE 8" PLUG VALVE. 4, GEOTEXRLE FABPoC FOR THE 36 INCH OUTLET BARREL JONITS SHALL BE AMOCO NON-WOVEN NEEDLE PUNCHED FABRIC OR APPROVED EQUAL (NON-WOVEN FABRIC). I' R. j. UPPER NV. PVC SIPIiDN ~ CODER ~DTD(t{E fMMC
R D GRADING NOTES: 511011MNMATE NETIJW ~ AEA PPE 1611 FUCED AAOIRQ BARREL WV. OUT • 016. t O 3' D1l INVERIm ~ ~ ~ B4NAF1 N Y WIfiE 36' FES yy
THE yNR,Nq DEPM;IED ON THIS PLAN SHEET IS GRADED PER NC OMSION OF WATER QUALITY STOR~ME ATER BEST PVC SIPHON (Spl. b >I~6 UN ~OIR RP RAP VELOCITY F~
ATIONS: PR,;CTICES. APRL 1966. PER THIS MANWL, REQUIREMENTS FOR CRADINGIN FROM O~WB NC ES. DISTRIBUTION BERM SOIL AND COMPACTION SPECIFIC 1 ~ ~ MiEA ~ AIL PODL TO gE DESIGNED AS A MARSH WITH DEPTHS RANG G AS14 D1T85) DISSIPATOR (sEE DETAIL)
I SHALL BE CLEAN RAPERMEABLE MATERNL AND COMPACTED TO AT LFIWT i8% EOI~ ~ AREA3 ~ NCHES ~ 9-i8 INCHES DEEP. E b V 3r R~ ~ 2.6077 (CL. IU RCP)
1. Au Flu SOILS fOR BERM SECT ON RE CONTENT. No BLASTED MATERIALS SWILL t usED IN 2. 1N OF AREA TO ~ 3 FEET DEEP AT THE OUTLET STRUCTURE LOGTKkI GRADING AEG ND STANDARD PROCTOR MAXIMUM DRY DENSITY, AT OPTIMUM MOISN POTD wV. E4 620.00 (w VIL111Y Of OVTIET S1RUCflNiE)
THE EMBANKMENT CONSTRUC110N. SOILS SHAD NOT EXHIBIT SIGNIFICANT OR pSPERSNE 3. TIE RALAIIC: (15R~ S FLEX6LE ~ ~ NG SPECIES SUITABLE FOR INUNDATION AS LISTED IN THE INFER SHAD. APPROVE THE SOXS TO BE USED N THE*a~ CONSTRIICTWTI TU01G WTO q" THE ~ IS TO BE PlM11ED UPON OOAIPLETION USI " A GEOTECHNICAL ENG BARREL INV. t t ~a t¢ ~w ~¢~i ,h~ nn ,mU~t
ACCOUNT ANY AND ALL FUTURE USES OF THE EMBANKMENT SECTK)N. ~ ~ WATER QU~L11Y "5f0AY~TER BEST MANAGEMENT PRACTICE YANUAI . STORM DRAINAGE GE DsE~ENDE~TU w.62o,00 ,t ( U S .MIN.
2. IN ALL Flu AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL BE CONDUCTW Fl1CH 2500 SQUARE FEET PER VERTICAL. F00T OF FILL. FlLL SHAU BE PLACED IN LIFTS NOT TO EXCEED B INCHES 1006E TNK20f.SS GRr109N SPECfICAl10NS FOR 1HS STORYNAIER WETLAND ARE' F STORM SERVICE LINE UNE e' DIP DT6RI Rt Arm-SEEP oouARS (z3) ro TIE
A MINBUM OF iNAE iEET EXISTING 1• 1~ A~ AT ~ ~ POOL) ' 36,408 S 3. A KEY TRENCH IS TO BE PRONDEO IN ALL fill AREAS~~ ~ REQUREMENT OF rt ABOVE. 2' ~ ~ ~ 9" ~ ¦ 12,430 SF (3S.Ox) ON SPACED AT 22'-0' 0.C. (SEE OETAII) B" D0. PUDO 1FOtt ~
GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL. 1 • ¦ 1 1 Sf 3S OX -TP-TP-TP-- TREE PROTECTION 3. ARC 9' TO OElEP 2.64 ( ) ~
4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. NRI~ AT OUTLET. > 16~ DEEP ¦ 3,165 SF (15.016) TIpODED AREA N - 6' 5. AREA N POREBAr. > 19' DEEP ¦ 3,472 SF (15.0%) 6ATa~FI~Tr~ 5' FT. MIN.
5. MAXIMUM flu LIFT THICKNESS FOR BOTH THE EMBANKMENT SECTION AND KEY TRENC 250 10' CONTOUR
ARATION 252 r coNTOUR LNG SCHEDULE SEEDBED PREP TEMPORARY SEED ONTOUR
PERMANENT SEEDING SCHEDULE ~...•~~--~....•~,~.-..-~w.~ E>asTlNC Io' coNTOUR ~ 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES ___._..._..._r.~!fi.____..-._ E>OSTINC 2' CONTOUR 1NTOUR wOERRiHt 6E11 ro 6E FRONDED
DEEP OVER AOYERSE SOIL CONOmONS, IF AYAILABLE. R ~A/!l~1111~ACE
Auc 2s -act. (TIESn TAU FESCUE 2oD LBS/AC Aw T - YAY 1 RI[ 9~w1 ~ UIN?K 2.) RIP THE ENT18: AREA TO 6 INCHES DEPTH. - - - - - EASEMENT LINE EC110N PAO>BC'r N°. ARC-03010
FEB. -APR IS (POSS6LE) ~ ~ ~ 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS ~ FLARED END SECTION IIIFT t - AUG 15 ~ WQ p UIS/i1D LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. PERMANENT ARM ROSS SECTION
MAY ~ ~ AccoAOwc Ta ~ ~'~r Iooo LL/~E MW ~ - ~c ~ ~ ~ t~ W~ 4•) UNIFORMLYiYO 1~~(N tH~S011~(SEERBEµOW')UPERPHOSPHATE ~ CATCH BASIN ARC03010-SKI
TXKXAID AORICULTUPAL LwESTONE AND tDOD LB/ATXiE +o-1o-FO FERTIREP. DESIGNED BYI -
~ 5J CONTINUE TWIGE TATTLE AWELL-PULVERIZED, FIRM ~ PROP INLET AoPLr 4000 L8/AC snNw. ANCHOR sTw~w BY TACAONC wRH ASPINLT, NETINC, REASONABLY' UMiORY SEEDBED IS PREPARED 4 TO 6 INCHES DEEP.
0R A MULCH ANCHORSAG TOOL. A DISK. WIIX BLADES SET NDYLY 51RNGHT CAN IOItAw REC011MENDATIOIi~~ ~ A~LTRE u11ESTCNE M-;O-M PRINT Wort _
BE USED AS A MUUGN ANGRGRI U 1WL i3 OEC 3c wCREA9E 1 *-Iomm R 10 WPC} 6.) SEED ON A FRESHLY PREPARED SEEDBED AND COVER STORMCEPTUR . • ur11 C SCALE: 1 VW AFUM MAR 2 6 2004 DATE:
1Nt07Jwu =11111 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. INSPECT AND REPAIR MULCH TEFREGUENTLY. STS POERTILIZE IN C LATE IIIIIINTER -10OF w MULCH THE
4000 BACK B AWIMIX 19mok DRAINAGE FLOW ARRROW ELLOWI LLa~wG YEAR; USE sal tES1s NCOR AP APPLY Y 150 LB t9/ACHE t0-1010-10. NOw t om pY OWN an REGULARLY TO TO A A HEIGHT OF 2-1 INCHES. Olt A K UM AS A NON q 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR 02-04_04
NOW gyQS RESEEDNIGS WITHIN THE PLANTING SEASON, IF POSSIBLE. IF y'A JOhI R. Mr-Adams Co. Inc. SHEET NO.
t AND AUG. 15, ADD 15 LB/ACRE SUCAN RAts OR 10 is/ACRE STAND SHOULD BE OVER 60% DAMAGED, REESTASUSH FOLLOWING ` . 100-YR. BUFFER GERMAN MAY 15- is NOT MM AIMIXIE ZER AND SEEDING RATES. GERMAN MILLET. BEFORE MAY , at AFTER AUG. 15, A00 W LB/ACRE RTE (CRAN),M 1 - AUG µD N ORIGINAL LNG. FERTILIZER RE v
FGLLOMINO CA GTNI! LWM SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. U PERMANENT SEEDING SCHEDULE IS FOR EOVWR SLOPES OF THE AAi IS - WC 10: AFFAIR AYO N N MAPOL NIEDIATELY. 9J 100-YR. FLOOD PRIM CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT D PLAN OF ,
~qp WETLAND. AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL R 1IWExiD~ Co" t LE9FAEL1 N AND FERTILIZATION AFTER PERMANENT COVER a ESTABLISHED. ELEVATION. 5 JUNE ATE MILY,1 Aft 30' STREAM BUFFER
L " 'M! 1 UFFER McADAMS PRELIMINARY DRAWING NOT RELEASED FOR CONSTRUCTION M
' ~11'~d y~.• vUSE THE TEMPORARY SEFLII~ SCHEOUIF ONLY WHEN DATE HS NOT See seOMand app4canon schedule C~Cf TO USE THE PE ING

/ 1
•N ~ / _ i ~ ~
9 I i C~ , ~ ~ i / ~ ~ I I I I No~sT HANDWNaI a e~aao / ~ ~ I ~ ~ EL 839.J0 TRASH RVCK (SEE OETA11)
s ~ r l / ~ ~ t. MWIHDLE STEPS io eE PROhoED 9 / I / AT I'-2' O.G iRASH RACK TRASH RACK
L1 ~ / / ~ ~ ~ / / (SEE DErAa) I / ~ z. STEPS s~ eE u~ AccaiQUkE ~-(SEE DETAIL)
S / / , ~ I I 1 / ~ / W+rN NcDDr sro. e+o.ee ~ ~ i 1 / ~
/ ~ / ~ ~ I / j / / I I ~ ~ ~ ~ ~kT . T P R
/ / I / / ~ I ~ ~ ~ / A
~ ~ i 1 ! I / ~ / - IarES ~ K~ srrns aY11 xomwE no, DaDx FAa IF srwcrlra vu.
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/ / I I 4 ELEVATION ST ELEVATION ~ W ~ Qi ~ a> ~ a
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i ~ ~ I ~ I ) s~ wuL (SEE oUTLEr STRUCTURE T x ~ O O 18' D0. WITERUL SPECFiCATK1N5) ur ~ SIB ~~S~iDD~F~~~~ ^ Z I~t ~i O O
i l ~ I l I I I l 1 G A~ Er 0-PoND RCP ~ ~ PJ~bti ELEVFTmN Q ~ E+I !)I In 18' qA f O t -T ~ 0-RNG RCP ~ ~ I
/ I ~ 1 I I ~ , I ~ ~ , WA1rR TKplr / . ~ sEa ilf v 1 ~ ~ ~I ~"I EI.fVATD7N SELTIW A-A I Ir ~ ~~r~~ w (~)a ~i O
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/ 1 I SA r wr. a au.ao / F i e• aA aP c~ v I I POf~O ORNN %PE PRECAST 815E =1 _ 36' (111N.) ~ ~ O .i C I. 18" FES Z ~ .O
I ~ ~I ~I NLI I 1 E i NCDOT CLASS "B" RIP-RAP ~ ~ x' (uW.) ~
~ ~ i ~ ~ ti) I I I w.oo' 18' L x 20' W x 27" THICK 1
i ~ I I ( lo.oo' c "FRONT VIEW" 18" O--RING RCP AVG. DIA. 6"
/ I ' " / i I SIDE VIEW" A A
1 I
~ I+ I I ~ POND OUTLET STRUCTURE DETAIL PON E DET D OUTLET STRUCTURE DETAIL AIL
2.o I + I NrS / ~32.b I
/ I i NOTE / +I ~ ~ RE81R ro 9E REBNL TDRII 0 N NOTE TRasNRACK ro aE
7 ~ L I RIBMt ANO AXES ro ec oMMWam oA eE PH01gp rRN A elnwuaus ooano. EDGE 633.5 ' 7.1NE NDT-OI?PED, WLwNZ?D s~vP ANfAEs S I I TRWI NCE. ONCC wElota, THE p`t Assu~Y~slw~ ec ~ D ro FTE+YED ARDUFD OUTSIDE EDGE Of OUTLET BARRE4
Qp I ~ MINIIOIE RSER MITN ANOIFS SLIM giEC1LY pl / / 832.0 + I I to a RISER. rro M
I i + 2.0 ~ i t I 2.0 I 4.5 WIDE
1 1633.5 I f _t_ ACCESS G41E (CEN[ERED 1 633.5 I WWFIOLE sIEPS) END a 18" FES 18'
I ACCESS GATE S1MLL ~ i + I i I+ I o ~T ~v a s.o~ 7.0' Dui REeu aND T,o' D0. RE91R RNO
834.251 ~ X633.5 i ~ / 40 Y WAY
I CR~ST ON 837. 1 + + ~ r 18" 0-RING
(SSE L) i 4.2 I 834. 5 ' 6 6 wRE FABRIC RCP t~ sR,~ aD
WETLANDS l I .5 I i I T F I t o.s' RAIw (TYP.) 673.s
tOQ I I I FABRICATED HNGES
/ I + 1 ~ •WI rv. + I 4.8' pA. REB4i RING + ) i 872. I I 633.5 I I + s' Du. RE9M IW19 6'q aP P8E (v} I Iml I.I I I~ I ICI I I I I I-111=1 I i
l 832.0 + I t 8 t' a. REBAR Rp1G ACCESS GATE oE7NIr r ~ I - ~.I. I I ~ ,
I I 1834.1 I 4' DYi REBAR R 832J11 I 63 s' I>w RE9?R Rwc
+I I ~ 7 OR ~ Rfq t' B3~'•0 ~~~+II l , I 6JS.25 ~ SECTION A-A
~ Oap t' I ~ I I, FI r z I' L ER BLANKET p A FILTER BLANKET IS TO BE INSTALLED (SEE NOTE) ~
I ~ pp I BETWEEN THE RIPRAP A ND SOIL FOUNDATION. 5
Lh?.1 1 ~ PROPERTY LINE l4 4' I.D. MANN ~ ~ V T U 7•r2'al/4' ANGLE 6' 70ID Fi ODRC~ THE FLTER BLANKET WILL CONSIST OF A LD. ?uNHOLE RISER MINIMUk1 4" THICK LAYER OF STONE (NCOOT
I 1.09' /57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700
/ OR APPROVED EOUNALENT
~ POND~OUTLET STRUCTURE ~ ~ AIXt35 cuE EENIERED o r~ (CENTERED ON ~ nl ~ T' (~P.> OUTLET BARREL VELOCITY DISSIPATOR
I ~ \ ~ ' STEPS) END a / ~ ~ (SEE QETAIL) ~ _ _ _ ~ ~ ELEVATION NEW A~ ~ Sa~LI t~~D ~ CONCRETE AND-FLOTATION BLOCK N.T.S. TVERLAP ON rOP a s' Du. (sEE cROSS-sELroDN)
( I ( 18 FES ~ 53 LP 18 b-RING MBAR R01D, ~
~ INVI=628.00 I RCP 0 7. ~ . ' ~ i i ~ 5oX 1.44 FT. (NW.) 1. ATE Fp! C011AR5 SNALI BE 7000 PSI (YFI.) Zs DAY
I I LOCIT`f ISSIPAT ~ ~ ! i ~ ~ ~ i 1 I t c6uAws auu eE oaF6ECTED to le' 0-RNO RW wTN A NlTflt tg11 JaIT.
~ ~ 1 p ~ ~ ~ _ - ~ ~ ~ / ~ I 8 Lx20'Wx27"THK/ ~ . ~ ~ ~ 1 l COLLNtS 91N1 M N'ACfD ALONO BAAREL AT 2r-0' 0.C.
~ ~ "RIP ~ ~ ~ ~ y t0' (Trv.) ~ ~ 2.20' AIIN PROJECTION
~ / ~ RTBt 6" MIN.
- ~ ~ ' r i ~ / J ^ ~ ( ,.p 1, REBNI WELDED - ' i' ; r
~ ~ ~ - - / ~ - I ~ ~ I ~ / , _ ~ f ~ ~ , - ' mPa (SEE NOTE) 1T11T[1EI1 L ~ ~ ' - ~ , ~ ~ ~ - MANNDLE RI61R • NNWOLE RISER } . . 's •%4~'~
I' DIA RE81N RIND • M'•• f • \ • ~ •
_ ~ _ ' ' / ~ - - - - ~ r ' DM. REBAR RING J ~ ~ ~ - a _ ~ ~ ~ , -r' (ENDS ON ACCESS C.1T ' DIA RE81R RIND ,S. ~ LENDS DN AD«ss DATE} ~ , : y; ~
~ ~ - ~ " S D0. REBAR RNG _ - ~ ~ 7' ON REBAR RYNi 'D0. REBA4 RWG lr/ • qA RENA RWD » n° ~ • r ' o-'~' 18'6
GU A b ~ O-RING D.D.. 2,.s• 8 DRAIN TRASH RD DETAIL NTS
/4 REBAR TPASN RAOK (IpA~ ~ :t`•i• T'
„ A tom.} . _~.I
STORM WA TER WETLAND 3 ~iAtNxSON TRASH RACK TO MW~F TITILL tM111 ?oal Eaaux aL~Eu NDf-SPED GALVAt®; 51EQ CEATIi Ejp CIAIW A~YLI~ A MAIpE A19L1L~ 00AIOLE Ir-a
GRADING PLAN AEI'BYZ-3'%1/4'~"G~,~,~.~,~.w~~, ~/A 1111TA4NKTUS cvaErG. Q+r W Ni 000ED ~ ~r O
SCALE: 1 "=40' T~TW I~AC aETAII CONCRETE ANTI-SE P OLLAR
IL~- c~s~
WETLAND CONSTRUCTION SE UENCE - Q
WETLAND OUTLET STRUCTURE NOTES; 1. REFER TO EROSION _ CONTROL CONSTRUCTION SEQUENCE, SHEET ECP 2 AND FOLLOW ALL ASPECTS OF EROSION CONTROL PLAN AS CONSTRUCTION IS COMPLETED.
1. 18" RCP OUTLET BARREL SHALL BE CLASS NI RCP, MOgFlED BELL AND SPMAT, MEETING Assn C76. THE JolNfs SIiALL 2' WETlJINO ~ ~ BE UTILIZED AS A SEDIMENT BASM~I DURING CONSTRUCTION ACTIVITIES. CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT BASIN. EL8AGE41CY SPILLWAY WEIR +0' 10110 BitgtDCRESTED WEIR
BE CONFINED o-RNG RUBBER GASKET JOINTS MEETING AS1M c-443 AND ASiM C-381. 3. IMMEDIATELY INSTALL SILT FENCE INSIDE PERIMETER OF LIMIT OF CONSTRUCTION. 4. EXCAVATE KEY TRENCH PER WETLAND A DETAIL, SHEET SW-1. CREST EtiV.. 637.00
2. THE MANHOLE OUTLET RISERS SHALL BE a' I.D.• MEETWG ASiM C-478 ak AASHTO M-19p, wRN PRECAST EXTENDED 5. BACKFlLL KEY TRENCH AND RAISE BERM PER BERM SOIL AND COMPACTION SPECIFlCATIONS ITEMS ~'1 AND PERFORM SOILS COMPACTKN TESTS PER ITEM ~2. BASE. THE MANHOLE JOINTS SIw1 BE ASTM C-443 RUBBER GASKET JONTS. MANHOLE JORrTS SWYJ. BE SECURELY 6. EXCAVATE TRENCH FOR 18" 0-RING RCP AND INSTALL PER PLAN AND OUTLET STRUCTURE MATERIAL SPECIFICATIONS. DIA. RISER
ANCHORED TOGETHER To PREVENT sEPARAnON. 7. WRAP ALL JONTS WITH GEOTEXTiLE FABRIC PER ITEM ~4 OF OUTLET STRUCTURE MATERIAL SPECIFICATIONS. E'L' OTRIET STRUCTURE (SEE DETAIL) 10' (Wl.
3. OUTLET STRUCTURES SHALL BE PROVIDED WITH STEPS 1'-2" ON CENTER. STEPS SHALL BE N ACCORWNCE WTIN NCOOT 8. INSTALL ANTI-SEEP COLLARS PER DETAAS. STD. 640.88. 9. BACKFlLL AROUND 18 0-RING RCP PER BERM SOIL AND COMPACTION SPECIFICATIONS ITEM ~1 PERFORM TESTS PER ITEM /2 OF BERM SOIL AND COMPACTION SPECIFlCATK116. TOP Of BET01 Q. 681110
10. EXCAVATE AREA FOR ANTI-FLOTATION BLOCK. 4. CONCRETE ANTI-FLOTATION BLOCK SHALL BE INTEGRALLY ATTACHED TO RISER BASE TO PREVENT RISER/BLOCK I1. ADD 4" ONMETER RISER AND SECURE TO ANTI-FLOTATION BLOCK. lOP OF RIStT1 B.. 13i~80
SEPERAnON. IF POSSIBLE, THIS SHALL BE PRE-CAST AS PART Of THE MANHOLE PoSER UNIT. 12. GROUP 18" BARREL AT CONNECTION i0 RISER FOR WATERPROOFING.
13. INSTALL STEPS TO RISER OR INSPECT RISER FOR PROPER INSTALLATION OF STEPS PER NCDOT STANDARD 840.66. 14. INSTALL 8" PLUG VALVE AND 8" DIAMETER DIP OR TEMPORARY EROSKN CONTROL PIPE. ~1 ~~~0 ~
15. IF WETW4D S TO BE UTILIZED AS SEDIMENT BASIN, GRADE INTERKR OF WETLAND TO SEDIMENT BASIN GRADING SPECIFCATIONS.
OUTLET STRUCTURE MATERIAL SPECIFICATIONS: 18. INSTAU. TEMPORARY EROSION CONTROL RISER AND SKIMMER. 17. MPJNTNN SEDIMENT LEVELS BELOW MAXIMUM LEVEL THROUGHOUT LIFE OF SEDIMENT BASIN. NORWIL POOL EL 676.00 y ~ 27 ri
i. POND DRAWDOWN IS VW AN 8" PLUG VALVE. THE VALVE SHALL BE A MdtH SME 820 X-CENiRN; VALVE OR APPRWED i8. REMOVE TEMPORARY SEDIMENT BASIN OUTLET STRUCTURE ANO INSTALL 8' DUWETER D~. 8" PLUG VALVE IS TO REMAIN OPEN UNTIL CONSTRUCTION OF WETLAND IS COMPI~TE. EQUAL THIS VALVE IS IN ACCORDANCE MATH AWWA C-504 SEC. 5.5, AND SHALL L6E OPERABLE FROM TOP OF OIRIET 19• AFTER STABILIZATION OF SITE, AND APPROVAL OF EROSION CONTROL OFFlCER, GRADE WETLAND TO WETLAND DESIGN GRADES. BELOW NORMAL POOL, INTERIOR OF WETLAND UPPER NV. PVC 51i,ON = I FT. y,~ h?j caa R77i1-RJVEN 1E0TE811E FABRIC
STRLK:TURE VU A WWDWHEEL (SEE DETAIL). SHOULD BE GRADED TO A MINIMUM OF 1' BELOW DESIGN GRADES AND BACKFlU.ED WITH TOPSOIL TO DESIGN GRADES. GRADES AND SPOT ELEVATIONS IN INTERIOR OF WETLAND WILL tS' DGl NVEIt1E0 ~ I OAER ~ >I611 ~6E P1AC1p RTbUp 84tREl NV. OUT ~ 628,
2. ALL POURED CONCRETE SHAD BE MINIMUM 300D PSI (28 DAY) UNLESS OTHERMASE NOTED. BE PRECISE PER PLAN, OR GRADING WILL BE REJECTED AND REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TIME AS INTERIOR GRADES ARE ACCEPTABLE. 20. PLANT ALL WETLAND PLANTS PER WETUWD LANDSCAPING PLAN, SHEET D-10. PVC S~FIOFI (SCH. ,0 I JOIIIS OF ~ 11~ N 2' e~E 18' FES A51Y Di766) SAiS CENTS ON J~ RIP
3. THE INVERTED SIPHON SHALL BE 4 LF-2.5 INCH DUJAETER SCH. 40 PVC PIPE, ASTM D t785. 21. INSTALL TRASH RACK AND WWDWHEEL PER DETAIL SHEET, SW-1. UPON COMPLETION OF ALL ASPECTS OF WETLAND CONSTRUCTION AND COMPLETE STABILIZATION OF SITE, CLOSE 8" PLUG VALVE. DISSI~OR (SEE~DETAIL) O O
4. GEOTEXTILE FABRIC FOR THE 18 NCH OUTLET BARREL JOINTS SHALL BE AMOCO STYLE 4553 POLYPROPYLENE NON-WOVEN NEEDLE PUNCHED FABRC OR APPROVED EQUAL (NON-WOVEN FABRIC). 16~,• a POND INV. EL. 632.00 8 0-I61Nr ~ 7.108 (CL M RCP)
(IN VK:WTTY OF OUILEi $1RUCTI8IE)
STORMWATER WETLAND GRADING NOTES: o ORA61 1R8#1 OU1111 8g1EL NV. ~
BERM SOIL AND COMPACTION SPECIFICATIONS: MA14AG?MEANT PRACTICTLAND DEPK:TED ON THIS PLAN SHEET IS GRADED PER NC DMSKIN OF WATER QUALITY STORMWATER BEST ES, APRIL 1999. PER THIS MANUAL, REQUIREMENTS FOR GRADING AREAS BELOW NORMAL ARE: 6w~DD o ~a~ ~ (s~ orviy s' Fr. '
I. 70X OF AREA OF NORMAL POOL TO BE DESIGNED AS A MARSH WITH DEPTHS RANGING FROM 0-18 INCHES. DISTRIBUTION 1. ALL FILL SOILS FOR BERM SECTON SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT LEAST 98A EQUAL BETWEEN AREAS O-9 INCHES AND 9-18 INCHES DEEP. r ~ a1T~E we A1fi-SEEP COLLARS K3 T FO
STANDARD PROCTOR MAXIMUM DRY OENSIIY, AT OPnMUM MOISTURE CONTENT. NO BLASTED MATERMLS SWILL BE USED IN 2. 15X OF AREA i0 BE 3 FEET DEEP AT THE OUTLET STRUCTURE LOCATION p.T *~Y THE EMBWKMENT CONSTRUCTION. SOILS SWILL NOT EXHIBIT SIGNIFICANT SHRINK/SWELL OR gSPERSNE CHARACTERISTICS. 3. THE BALANCE (15%) IS FLEXIBLE AS TO DEPTHS. GRADING LEGEND r 111 SPACED AT 22'-0' O.C. (SEE DETAIL) ~ I
A GEOTECHNICAL ENGNEER SHALL APPROVE THE SOILS TO BE USED N THE EMBANKMENT CONSTRUCTION, TAKING INTO ADD(TIUNALLY, THE WETLAND IS TO BE PLANTED UPON COMPLETION USING SPECI ACCOUNT ANY AND ALL FUTURE USES OF THE EMBANKMENT SECTION. ES SUITABLE FOR INUNDATION AS LISTED IN THE ~ IO~:Y 1~NCH
NC DMSION OF WATER QUALITY "STORMWATER BEST MANAGEMENT PRACTICE MANUAL". 2. IN ALL FlLL AREAS OF THE BERM, A SOILS COMPACTION TEST SMALL BE CONDUCTED EACH 2500 SQUARE FEET PER
VERTICAL FOOT OF FlLL FlLL SWILL BE PLACED IN LIFTS NOT TO EXCEED B Ii~HES 100SE THICIO4ESS. GRADING SPECIFICATIONS FOR THIS STORMWATER WETLAND ARE: STORM DRAI41ICE d0>lICfION~SFT~110g1016) 5' FT. YN~. ACE
3. A KEY TRENCH IS TO BE PROVIDED IN ALL FlLL AREAS. TRENCH TO EXTEND A MINIMUM OF FNE FEET BELOW E%ISnNG 1. TOTAL AREA AT /BELOW EL. 635 (NORMAL POOL) = 13,210 SF STORM SERVICE LINE GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENT OF ~1 A60VE. 2. AREA, 0 TO 9" DEEP = 4,644 SF (35.0X) ~ UNE
3. AREA, 9" TO 18" DEEP = 4,601 (35.0X) -TP-TP-1?- TREE PROTECTION 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTON. 4. AREA AT OUTLET, > 18" DEEP = 1,984 SF (15.0X) WATERT1cNT SEAL To Nt FRONDED noN AT fpNR/eI~L NIERrxE
5. MAXIMUM FILL LIFT THICKNESS FOR 80TH THE EMBANKMENT SECTION AND KEY TRENCH ~ 8". 5. AREA IN FOREBAY, > 18" DEEP = 1,981 SF (15.0X) WOODID AREA
250.... 10' CONTOUR PERMANENT 8 R E M CROSS SECTION
PERMANENT SEEDING SCHEDULE TEMPORARY SEEDING SCHEDULE SEEDBED PREPAR 252 ATION - r CONTOUR
dB61f 9E~J>elf StirWLG.LYmeE 1. CHISEL COMP EXISTING 10" CONTOUR dB~L.Blli ) ACTED AREAS ANO SPREAD TOPSOIL 3 INCHES ryr~t CONTOUR
DEEP OVER ADVERSE SOIL CONDITIONS, IF AVNLABIE. ..,.._r.~.~,.,_..__._- EXISTNG CONTOUR Auc ss - ocr. (BESq TAU FESCUE 200 L8S/AC I - MAY t RYE (GWJIQ t20 LBS/AC TEB. -APR is (POSSIBLE) XaeE ~ ~ ~ 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. _ _ - - _ ONiOUR
/ EASEMENT LINE 3.) REMOVE ALL LOSE ROCK, ROOTS, ANO OTHER OBSTRUCTIONS ~ TOP OF DAM ELEV. = 638.OQ
;WL.dI~IE?!TS MAY I - M1G is GERMAN Maur a LBS/AC LEAVING SURFACE REA50NABLY SMOOTH AND UNIFORM. ~ FURED END SECTION IPDIY LIME AND FERTILIZER ACCORD9rC TO SOIL TESTS, OR APPLY 1000 L8/ACRE s'ECTION ~
ORWND AGRICULTURAL UMESiONE AND LOGO LB/ACRE ID-10-10 fERT9JZER. AUG 15 -DEC 30 RYE (GRAIN) 120 Lgs/AC 4.} APPLY AGRICULTURAL LIME, FERiIUZER, AND UPERPFgSPHATE Y~' ,L ~
YIGtl UNIFORMLY AND MIX WRH SOIL (SEE BELOW~}S. ~ CATCH BASH APPLY 4000 LB/AC STRAW, ANCHOR STRAW BY TACKING WITH ASPHLLT, NETfER;, 5.) CONTINUE TILLAGE UNTIL AWELL-PULVERIZED, FlRM OR A MULCH ANCHORING TOOL. A DISK WRH BLADES SET NFiUiLY STRAKRIT Cw FOLLOW RECOYMEN[MTgNS a sal TESTS oR APPLY 2,000 LB/AC caouND REASONABLY UNIFORM SEEDBED IS PREPARED 4 TO 8 INCHES DEEP. ~ DROP B~LET 3 -,f l PROJECT N0. ARC-03O1 O 3 y = i+1LENdl~I _
BE USED AS A MULCH ANCHORNC TOOL. AGAICUI.TURE LIMESTONE AND 750 LB/AC 10-10-10 FERTILIZER (fA011 AUG is -DEC w, r~ASE In-w~•to TTxnuzER To loco LBiAC1. ARC03010 S~(1
~ . i, ncetnamn ov.
ASPECT AND REPAIR MULCH FREOUENRY. REFERTRJZE IN LATE WINTER OF THE J1111110 4GW UN n rKLMLT PMLIIAHLU SEEUBEU AND COVER O STORMCEPTOR
FOLLOWING YEAR; USE SOIL TESTS OR APPLY 150 LB/ACRE 10-10-10. MOW APPLY 4000 Ls/AC STRAW. ANCHOR STRAW BY TACKING WITH AsvlyaL NETTING. 7.) MULCH IMMEDIATELY AF1ER SEEDING AND ANCHOR MULCH. REGULARLY TO A HEIGHT OF 2-4 INCHES. A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN 40' rE iw ARROW
8. INSPECT ALL SEEDED AREAS AN AKAWp, BE USED AS A MULCH ANCHORING TOOL ) D MAKE NECESSARY REPAIRS OR DRAINAGE FLOW ARROW BETWEEN MAY T AND AUG. 15, ADD 15 LB/ACRE SUDANCRASS OR 10 LB/ACRE 1 ma RESEEDINGS WITHIN THE PLANTING SEASON, IF POSSIBLE, IF ~ LY 46, 1 "=100'
....zM GERMAN MILLET. BEFORE MAY 1. OR AFTER AUG. 15, ADD w LB/ACRE RYE (GRAIN). JAN T - AUG Ix REFERnuiE IF cROwoN IS NOT FULLY AnEDUATE. STAND SHOULD BE OVER 60% DAMAGED. REESTABLISH FOLLOWING "e , /A 100-YR. BUFFER ER PRINT DATE
E~ RSEW. REFERTUa, AND MULCH awEDIATELY ORIGINAL LIME. FERTILIZER AND SEEDING RATES. FOLLOWING EROSION OR OTHER DAAWE ~ N4IE, PERMANENT SEEDING SCHEDULE IS FOR EXTERIOR SLOPES OF THE SEED l1GFRLY WITH SEEDING EQUIPMENT OR CULTWACK AFTER SEEDING. 2-04-04
WETLAND, AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL AUG 15 - DEC 30., REPAIR AND REFERnuiE DAMAGED AREAS IMMEDIATELY . 100-YR. FLOOD PLAIN ELEVATION. TOP DRESS WITH 50 t9/AC OF NITROGEN N MARCH. 9.) CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT M 7 AR 2 6 ,OF O PLAIN [~~4
IF IT IS NECESSARY TO OCTEND TEMPORARY COVER BEYOND AND FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED. alum, JUNK 15, OVERSEW WITH 50 LB/AC KOBE IFSPEDE7A IN LATE FEBRUARY Olt EARLY MARCH. J~j (NTS) the Joh n R, madams Co., I
WM USE THE TEMPORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOT OFFER nC.
CORRECT TO USE THE PERMANENT SEEDING SCHEDULE. Soo seasonal application schedule l f t d.. ~1d ADAMS PRELIMINARY DRAWING NOT RELEASED FOR CONSTRUCTION

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/ / ~ M ~ l ~ ~ 1 I 5' at. REdtR 8716 i + §83 / 6 FES 1 + I ~ , ~ ( T aA. RF91R 8716 SECTION A-A ~ ~ z
/ s34.2 / _ ~ X APPROXIMA LOCA110N / / l~N.-632.° ~ 1 ~ r FLTER BLANKET O I' A FILTER BLANKET IS TO BE INSTALLED (SEE NOTE) ~
OF MICRO L ~ ~ - ~ ~ T .I I ` x'10 / .7 / J / . ~ I I oP r BETWEEN THE RIPRAP AND SOIL FOUNDATION.
OUTLET A(iEA / 0 LF 36 0 T i ~ 1 / ~ 0 i~ I I ~ THE FlLTER BLANKET WILL CONSIST OF A W s 3ooD ASI CaMgIEIE
/ / / / / X \ . % ~ i I (TYP.) ~ 4' LD. MAN / i `'A / 1 1 ' 1 i ~ } I ~ ~ tr r~2kt/~• AtalE s I.D. f RISER MNdIMIUM 4" THICK LAYER OF STONE (NCDOT X57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700
/ / ~ / / ' • I 1 ~ I 3• OR APPROVED EQUIVALENT
/ / / s3a.o / / . 1 I 1 I OUTLET BARREL VELOCITY DISSIPATOR
ACCESS rxtE (s~NIERFa aN ~ END of E~ ~ N.T.S.
/ / / i ! I I ` ELEVA71a4 4IEw AGC6S cuE sfvu / / / ~ / 634.25 ~ ~ • ' I / , I ~ ` ~ • • ai~WAP oN for oP s' 1 / ~ / /15' Nd i ~ REaw RNC. sBCnGYq a~A oN TOP of s' ok REBAR RHC, tl4g$
IA2 it Q~L) I. COMf01ElE FOR COWIRS SHALL BE 3000 PSl (MIN.) 28 DAY
/ ~ • 1 J BUFFER {TYP.} / I I / / / ~ I 1 ~ t ( I Ir ~ STR9KRI H COl1AR5 SHALL BE CONIECIED TO 42' 0-RING RCA IWTH
l / J , -l'~ / / / ~ ~ I / / / / , I 1 A NATEIt TIGHT JDNiT. 3. COLLARS SHALL ~ SPACED ALONC BARREL AT 22'-0" O.C.
/ ~ ( ~ . l• y 220' MMI PROJECTION
/ / I ~ ~ / / ~ / i ~ • 10 (IYP) o l 6 YRI.
/ / / / 30 SANf(~ S~YVER ~i / NOTE: ~g pip gam, q~ ~p AND ~ I Ei Fp~~ 4' NIO~OIIdtEIE 6~SE~$~
/ TYP. ~ ~ ~ / i ~AS~€Nr ( ) i i I ~ rw / / / ~ 1 ~ tsEE NmE) SI~1Y1 BE 4 %t S~N4L BE •14• ~1. j, •;t a ! r. ' Nf0 BASE ~ ~ ? ~ t, r N D~~ i~ ~ •i t .i
/ / / ~ ~ ~ ~ ~ { l ~ ~ 4' OUtE'IER j / ~ ~ , ~ ~ ~ / wwam ~ AYNiIIOIE RISER . Y'•, '.i 'J • ^
j / / / • ' ~ I r a~ ~ rn . / v v ~ •a,l~~ T• OK RE84t RING .•*i • s. Z_ OK REBAR RING 3 t 'yr~
/ / I • % ~ I I t~ DN ACCESS G / i ' ! i ` s' Dk eEawe RNs `ENDS ON ACCESS GALE) " 36'D .j •5' OK REBYR RlIG i0 O-RR4G 36'~
/ / , / / / i I / ~ / ~ ~ / ` 1 Drt ttm~R tIN6 ~ aD. - 46.s• DYl REBAR RNG /1 ~ : i''.' ~ ; O'er 8 DRAIN TRASH GUARD DETAIL NTS •
i / I ~ ~
/ 1, 1/ r ~ ~ L I ~ / ~ µ RE81R TitASN taac (tra1E)
WETLANDS
STORMWATER WETLAND 1 ~ 1D MNIpE rtU. ~ ~ wUNLY t7~ NoT-orPEO w.Yw7~ st~L a>trs. Ea~1 ctAEr ~ To 1w71ar: RISER Br 2-3'>t/4' COIICIEIE AlIC110k EtOI]S. FiLM gi1P TO 9E COAiED EOUAll1' SPTICED • 'r ' P AlDip®10 YAIUGIE - - • CN gA1P TO BE COIBED ~
GRADING PLAN M/AtlnutDUS,xtATNC. CONCRETE ANTI-SEEP COLLAR
SCALE: t'=40' TRA$H RAMC N.TS - (Nrs)
WETLAND CONSTRUCTION SEQUENCE
WETLAND OUTLET STRUCTURE NOTES: 1. REFER TO EROSION CONTROL COiISTRUCTION SEQUENCE, AND FOLLOW ALL ASPECTS OF EROSION CONTROL PLAN AS CONSTRUCTION IS COMPLETED.
2. IF WETLAND IS TO BE l1TUZm AS A SEDWENi BASIN DURING CONSTRUCTION ACTIVITIES, CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT BASIN.
1. 36' RCP OUfU:T BARREL SHALL BE C1AS5 N RCP, MOpFlFD BElI AID SPIGOT, MEETING A5TM C7& llf JONTTS SHAD. 3. wMEDUQELY INSTALL SILT FENCE NISIDE PEPoMETER OF LIMIT OF CONSTRUCTION. ~ CONFINED T~RNG RUBBER GASKET JOMRS MEETING ASTM C-443 AND ASTM C-381. 4. EXCAVATE KEY TRENCH PER DETAq..
2. T11E MANHOLE t><tR.ET RISERS SHa.I ~ 4' LD., MEE171G ASN c-478 dl, AASHro M-199, WITH PRECA5f EXTENDED S. BACKFlLL KEY TRENCH AND RAISE BERN PER BERM SOIL AND COMPACTIDN SPECIFCATIONS TTEMS ~1 AND PERFORM SOILS COMPACTION TESTS PER TIEM ~2.
BASE THE MaaiOLE JORITS SHa.I BE ASTM c-443 RUBBER CASKEi JOa4rs. MANHOLE Jat1TS SHALL NE SEGJRELY 6. EXCAVATE TRENCFI FOR 36' 0-RNG RCP AND INSTALL PER PLAN MID OUTLET STRUCTURE MATERIAL SPECIFICATIONS. ANCItM1ED TOGETHER TO PREVENT SEPARAT101L 7. WRAP Ail JOINTS WITH GEOTEXTILE FABRIC PER ITEM f 4 OF OUTLET STRUCTURE MATERIAL SPECIFCATIONS.
3. OUTLET STRUCNRES SHALL BE FRONDED WDH STEPS t'-2' ON CENTER. STEPS SHALL aE 7V AOODIMANCE W1TH NCDOT S. INSTALL ANTI-SEEP COLLARS PER DETAIS.
STD. 840.66. 9. BACKFlLL AROUND 36 0-RING RCP PER BERM SOIL ANO COMPACTION SPECIFICATIONS ffEM ~1 PERFORM TESTS PER REM ~2 OF BERM SOIL ANO COMPACTK)N SPECIFlCATIONS. 10. EXCAVATE AREA FOR ANiI-FLOTA1Kkl BLOCK. a
4. CONCRETE ANTI-FLOTATKIN BLOCK SHAD. ~ 7VTEGRALLY ATTACI4ED lO RISER BASE TO PREVENT R15ER/6LOCK 11. ADD 4' DAMETER RISER AND SECURE lO ANTI-FLOTATION BLOCK. SEPERATKIN. ~ POSSILK,E, THIS SHal ~ PRE-CAST AS PiRT OF THE MAN1K)LE WSER uNR. 12. GROUT 36' BARREL AT CONNECTION TO -RISER FOR WATQtPR00FING.
13. INSTALL STEPS TO RISER OR INSPECT RISER FOR PROPER INSTUU1T10N OF STEPS PER NCDOT STAN014RD 640.66. 14. INSTALL 8' PLUG VALVE AND 8' DIAMETER DIP OR TEMPORARY EROSK)N CONTROL PIPE.
15. IF WETLAND S TO BE UTILIZED AS SEOBIENT BASIN, GRADE INTERIOR OF WETLAND TO SEDIMENT BASIN GRADING SPECIFCATIONS. EL 838.40 aunEr S1RUC9lRIE
OUTLET STRUCTURE MATERIAL SPECIFICATIONS: 1s. INSTALL TEMPORARY EROSION CONTROL RISER AND SKIMMER. 17. MNNTAIN SF.DI~NT LEVELS BELOW MAXBAUM LEVEL THROUGHOUT LIFE OF SEDIMENT BASIN. SEE DETAIL 10• (IAN.) c ) TOP of BERM d 841J1D
1. POND DRAWDONN lS Vl4 AN s' PLUG vavE. THE vuvE S1NLL eE A MdcFl STYLE s20 x-CFNTwc vau~E OR APPROVED 18' REMOVE 1EY~ORARY SEDIMENT BASIN OUTLET STRUCTURE AND INSTa.I 8' DIAMETER DIP. 8' PLUG VALVE IS TO REMaN OPEN UNTIL CONSTRUCTION OF WETLAND IS COMPLETE. mP of RE+ER a s36.{D
EQUAL n7s YuvE Is IN AccoROAIICE WITH AWWA C-504 SEC. 5.5, AID SHALL ~ OPERAIKE FROM TOP DF OUREf i9. AF7ER STABUUTION OF SITE, AND APPROVAL OF EROSION CONTROL OFFlCER, GRADE WETLAND TO WEMND DESIGN GRADES. BELOW NORMAL POOL, INTL7nOR OF WETLAND STRUCTURE Vw A HANDWHm (SEE DEral). SHOUl.O BE GRADED TO A MNWUY OF 1' BELOW DESIGN GRADES AND BACKFlLLED WffH TOPSOIL TO DESIGN GRADES. GRADES AND SPOT ELEVATIONS B1 INTERIOR OF WETLAND WILL
BE PRECISE PER PUIIi, OR GRADMIG WILL BE REJECTED AND REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TIME AS INTERIOR GRADES ARE ACCEPTABLE. 2 ALL POURED CONCRETE SHALL BE E7NWUM SO00 P~ (29 aY) UNLESS DD#R~SE NOTED. 20. PLANT ALL WETlANO PLANTS PER WETUWD LANDSCAPING PLAN, SHEET STYI.S.
3. TF1E 71VElTfED SIPHON SW~ll. BE 1 tF-3 71CF1 DMMETER SCH. 40 PVC PIPE, ASTM D 1785. 21. INSTALL TRASFI RACK ANO FNIOWFiEd PER DETAIL. UPON COMPLETION OF ALL ASPECTS OF WETLAND CQNSTRUCTION AND COMPLETE STABILIZATION OF SITE, CLOSE 8" PLUG VALVE e~~ a
4. GEOTEXTILE FABRIC FOR TF~ 36 NVCFi OUTLET BaiREL JONITS SHALL BE AMOCO STYLE 4553 POLYPROPYLEIE ~ U NORMAL Poa a. a3soo O 'r>rA
NON-WOVEN NEEDLE PUNCHED Fa3RIC OR APPROVED EQUAL (NON-WOVEN FA~ttC). - J 1' FT. y UPPER RA! PVC SIPHON - ~ COVER
STORMWATER WETLAND GRADING NOTES: DYER PIPE NQt-WOVEN GEOTDOIE FABRIC BARREL INV. OUf =832.
THE STORMWATER WETLAND DEPICTED ON THIS PLAN SHEET IS GRADED PER NC IxVISION OF WATER QUALITY $TORMWATER BEST 3' DUl INVERTED t SHALL 8E PLACED AROUND O PVC SIPHON (SCH. 40 T JORiTS OF RCP BARREL N Z' WqE 36• FES ~Fj~
BERM SOIL AND COMPACTION SPECIFICATIONS: MANAGEMENT PRACiICES, APRIL 1999. PER THIS MANUU, REQUIREMENTS FOR GRADING AREAS BELOW NORMAL ARE: 1. 70~ OF AREA OF NORMAL POOL TO BE DESIGNED AS A MARSH WITH DEPTHS RANGING FROM 0-18 INCHES. DISTRIBUTION ASTM DI785) STRIPS CENTERED ON JOIR. RIP RAP VELOC(IY FH DISSIPATOR (SEE DETAE.)
1. ALL F71 SOILS FOR BERM BECKON Swill. 8E CLEAN. NIPERIfABLE MATERIAL AND COMPACTED TO AT LEAST 98R EQUAL BETWEEN AREAS 0-9 NCFfS AND 9-18 INCHES DEEP. srMDARO PROCroR MAwMUM oRr oENSRr, AT oPTNIIIM MOISTURE CONTENT. No BLASTED YATERWS MALL t;E USED 7V 2. 159 OF AREA TO BE 3 FEET DEEP AT THE OUTLET STRUCTURE LOGITION GRADING LEGEND
~ THE EMBANKMENT SO7.S SHN.L Nor EXH6fi SILWRFICANT Si7twtc/SWELL OR DbPERSNE c?M1vtcTETasT1~. 3. THE BALANCE (15X) IS FLEf(6LE AS TO DEPTHS. POND RN. EL. 632.50 90 iF 38' 0-iBHG RCP 0 0.~ (CL IN RCP)
E A GEOTECHNICAI. ENG74EER Stall. APPROVE THE SOILS TO 8E USED N TF~ EM8a1KEENf Ot)HSTRl1CTI0N, TaONG a4ro AODffIONALLY, THE N1:TLAIID IS TO ~ PLANTED UPON COMPLETION USING SPECIES SUITABLE FOR INUNDATION AS LISTED IN THE ~COtA4T ANY AND ALL FURIRE USES OF THE t]VBANKMENT SECfla1. NC DIVISION OF WATER OU,ALIiY 'STORMWATER BEST MANAGEMENT PRACTICE MANUAL.". (BI VICYJIfY OF OUREf STRUCTUI~) ao 0 BAR10'L INV. i ' PQ e Q 0 0 3
~ 2. IN a1 F81 AREAS OF TttE EERM, A S07S COMPACTION TEST SHal ~ CONDUCTED EACH 2500 SQUARE FEET PER STORM DRAINAGE Q VERItCA1 FOOT OF F71 F81 SHALL ~ PLACED RJ LIFTS NOT TO EXCEID 8 INCt#S LOOSE THICIOESS. GRADING SPEgF1CAT10NS FOR THIS $TORMWATER WETLAND ARE: AINAGE aRAAY TRAS41 GUARD (SEE DEFAR.) N=832.50 ~ I r
v 1. TOTAL AREA AT /BELOW EL. 635 (NORMAL POOL) = 34,976 SF ST018A SERNCE LBJE N 3. A KEY TRENCH IS TO DE PROVIDED 74 All. FlLL AREAS, TREfk'H TO EXTEND A MRNMUM OF FIVE FEET BELOW EXpfiNG 2. AREA, 0" TO 9' DEEP = 11,078 SF (329;) iNCE UNE 5' FT. MiN. 1 H 8• DP DRARi PIE AMI-SEEP (~LLPRS (X3) TO BE
GRa~. SOBS AND tX11APACTKIN FOR KEY TRENCH SW4LL MEET ALL REQUIREMENF OF /1 ABOVE. 3. AREA, 9" TO 1l1' DEEP = 13,412 SF (38%) -1P-iP-1P- TREE PROTECTfON IECTfON SPACED AT 22'-0' O.C. (SEE DETNL) 8' DU. PLUG WL1E
4. NO TREES of ANY TYPE MAY ~ LOCATED ON TF~ BERN SECTKIN. 4. AREA AT OUTLET, > 1B' DEEP = 5,244 SF (15%) WOODED AREA REA (SEE OURLT SIRUCRIIIE MATERML SPECFICATE4YS}
c~v 5. MAX7IUM FlLL LIFT THICKNESS FOR BOTH THE EMEtANKMENf SECTWN APp KEY TRENCH = 8'. S. AREA IN FOREBAY, > 18" DEEP = 5,242 SF (15%) 250 lo' CONTOUR ~ KEY TRENCIi
5' FT. MIN. IR
T MP R RY LNG SCHEDULE SEEDBED PREPARATION 252 2' CONTOUR PERMANENT SEEDING SCHEDULE E 0 A SEED v EXISTING 10' CONTOUR O' CONTOUR
p I~l~~ 1 J CHISEL COMPACTED AREAS ANO SPREAD TOPSOIL 3 ING1E5 p DEEP OVER ADVERSE SOIL CONDmONS, IF AVaIA&.E. EXSTING 2' CONTWR CONTWR WATERTk;HT SEN. TO BE PIIOVbED
o AUG 2s -OCT. (BEST) TALL FESCUE Soo tBS/AC ,W1 t - MAY t RYE (GRAN) 120 LBS/AC 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. - - - - - EASEMENT LINE AT RISER/BARREL NIIERFACE uNE
~ FEB. -APR t5 (POS'S~E) KOBE tESPFDEIA SO l85/AC 0 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSiRUCilONS ® FLARED END SECl1ON ID SECTION
~ wY t -MI6 t5 cE1tl1AN tNlEf a LBS/AC LEAVING SURFACE REASONABLY SMOOTH AND UN~ORM. PERMANENT BERM CROSS SECTION PRE16CT N0' ARC-03010
Q APPLY L1YE Aw FERTx¢t7t ACCO1mINC TO SOIL-T1515, OR ArPI.Y /ODOLB/ACAS 4. APPt.Y AGRKXILTURAL LIME. FERFIUZER, AND SIJPERPFIOSPWQE N 6ROt1ND A[rtICULtUPIL UMfSTONE Aw 1000 LB/ACRE t0-10-10 iIItt7IIER. AUD is -DEC 30 RTE (GRAN) 120 LBS/'VC ) UNIFORMLY AND MIX M7TH SOIL (SEE BEIOYM). B1 CATCH BASW sw ARC03010-SK1
E ~ I~l~~ CONTINUE TILLAGE UNTIL AWELL-PULYERI FlRM T
o. APPLY 4000 La/AC srRAtr. AMCwR srR4w en rnaaw r~nx AsrNV.T, NErTIw, 5) ~ DROP INLET ~ BCE t AS A wid+ ~ ~ ~ NEARLY sTANCNT C?N ~p ~~µD ~ ~~tat'tPP1.Y 2 A(c~ REASONABLY UNIFORM SEEDBED IS PREPARED 4 TO 6 INCHES DEEP. 75 - OEC 30. NCREASE t0-10-10 FER17Rm m 1000 tB/AC). B.1 SEfD ON A FRESHLY PREPARED SEEDBED AID COVER ~ DESIGNED REJ
nuewnr t?v
1tli~ ~ V a1v111AM,crllxT IVK
3 INSPECT AND REPAR MULCH FREtOIENILY. REFERBUN IN LATE WINTER OF 11f 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. SIIONY. ANCHOR S1IMw BY TACKING wR11 ASPIMLT. NERlNG, FOLLOW04G YEAR: USE SOIL 7ESTS OR APPLY 150 LB/ACRE 10-10-10. mow APPLY 1000 L2 AC OR A REGL ABLY TO A HEIGHT OF 2-4 ROC ES. BE I EASE A MULCH ~ ~ r 8.) INSPECT ALL SEEDED AREAS AND MINCE NECESSARY REPAIRS OR DRAINAGE FLOW ARROW FLOW ARROW SCALE: _
MUFAF EWpS 1Mmmim RESEEDINGS WITHIN THE PLANTING SEASON, IF POSSIBLE. E DATE: 02-04-04
O BETWEEN MAY 1 AND AUG. 15, ADD 15 LB/ACRE SUWWASS OR 10 LB/ACRE 1 - AUG 15 Rf5IXR1IIE IF GRORIH IS NOT FULLY ADEgWE STAND SHOULD BE OVER SQ% DAMAGED. REESTABLISH FOLLOWING 100-YR. BUFFER vFF~R
m GERMAN MILLET. BEFORE MAY 1, OR AFTER aNC. 15, ADD 40 L9/ACRE RYE (aaa). RESEED. REFERTUM AND MULCH NiMEDLKIELY ORIGINAL LIME. FERTIUZER AND SEEDING RATES. 4 FOLLOWING EROSION OT HR DAMAGE SEED UGHTLY WITH SEEDING EQUIPMENT OR CULTPACK AFTER SEEDING. SHEET N0.
U NQM PERMANENT SEEDING SCHEDULE IS FOR EXTERIOR SLOPES OF THE AUG 15 - DEC 30: REPAIR AND REFERRUZE DAMAGED AREAS NIEDIATELY. WETLAND, AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL TOP DRESS WITH 50 LB/AC OF NITROGEN N MARCH. 9.) CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT 100-YR. FLOOD PLAIN PD LOOD PLAIN M BUFFER MCADAMS
g ELEVATION. IF rt 15 FEBRUARY OR IECESSAxr TD WITH EXTEND TEMPORARY COVER BEYOND- AW 15. OVERSEEDr SAC KOBE LESPEDEZA N AND FERTIUZATION AFTER PERMANENT COVER IS ESTABLISHED. off. 11111111- - 30' STREAM BUFFER
4 t~QjE; USE THE TEMPORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOT
CORRECT TO USE THE PERMANENT SEEDING SCHEDULE • See seasonal application schedule m ISOM 'o PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
n,
X

_ ---r - _ _ _ _ _ _
/ / / ~ ~ , ~ / ~ ~ , ~ I ( r I ' ~ ~ I ~ ~ U ~ ( mss: . a. ~.+s / / / ~ i ~ ~ I I L EL 627.15 {SEE Y1
~ / / / / / ( ~ ~ / ~ I I t I ~ ~ \ L MNfpl£ STEPS i0 8E PRVVDEO t / ~ ~ AT 1'-Y O.C. TPASH RACK
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/ / ~ ~ 1 ~ 3 I ~ / t ~ ~ 4 FL OYV~IER I / / z I ~ ~ / / i - ~ # WNiOLE PoSER ~ / / ~ I 1 I 2 LF 0-RING V ~ aHE-casT SECno~) ~ a W „v W .a N
L ~ ~ / ~ { ~ I / , I / s2o.o ~ 3 P 1.flOX \ I ~ ~ z c~ rx I~ A ~ ~
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/ I ~ \ "s w / ! ( /i ? TYP. ( ~ I ~ sviwx a NTEFw. sPEGIFICATIOHS) ~ " ~ W ~ O O amt S~TINIC~TURE gyL T ~ i G4 Q.I' O O
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/ / ~ I , - ~ sLEEVE / r l l f / / / ~ ~ i ) i 620.0 i / I ~ / ~ ~ ~ / / o-~ x
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/ / I ~ / / I ~ / ~ I / / vELOCrrr-~ISSIPA~ro~ / / / ~ ~ ~ ( 625 32 Lx~l7 Wx22`tH / w'
~ l I'/ i/ 1 ~ I ~ / / / ~ ~ ~ I / 30 SANIT SEVER ~ f ~ / ~ / / A,V6~. DUL. 13 DOT _ _ ~ eA~
i ~ ~ / ~ ~ / ~ ~ .MASS '1" RAP ~ ' - / nn. a 6zuao EASEMENT ~ ~ r / ~ I / / ) e• 0w 0r e~~~s~ a~ L t ~ FES w~~ ~ ~ i a VELOCITY DISSIPATOR ~
/ ~ ~ ram awH rlrE L s < ~ 1 1 ~ i l ~ ~ + l ~ / ~I ~ / + ~ / / i / I r I 21.75 / ~ ~ / < ~I +oaa' _ 0-RING RCP ,r'("~~'
! sz1. rRECASr BASE / / i~ i ; r I / / / I I "FRONT VIEW - ~ .
~ ~ / 1 1 I ~ / I ~ r / / ~ / / to.oo' l r ~ I t/ / l / A ~ A
~ I~ I \ / ~ + / / / ~ / / / • / / ~ SIDE VIEW"
/ I + s22.d / I szz. / / i l ~ I / / / r ~~I / / r l / ~ .
/ / ~ I = / / P N OUTLET STRUCTURE DETAIL 0 D POND OUTLET STRUCTURE DETAIL Fem. r~,r RE DETAIL
/ / I ~ t t / 1 I ~ l / l / Nrs / / / ,f / / ~ r I / / ` / / / 3 ~ `°3
t l ~ i / ~ r ! APPRpS(IMATE LOCATION ~ / / % / F~IICROPOOL / / / ~ / / { r / ~ I I s 0 ~ / / ,.AU~w~~s®vs. rare: TRAnwAac ro BE 4r FOIBIED ARaWD ourslDE
( / T r ~ 21.75 / I ' l 1 I f ~ / ~ ~ Tan ao aso~ES w eE w.sssw® ass eE AasA~oty wns " anruous uaMO. tz ~ ~ I ~ 1 ~ ~ IjREBAY ~ / / x nc sar-awEa xvwan z1¢,nµ• ~s v~swu ~ v'~'D®i~ a~ ~ aRA.aus aalNO. EOf,`E of ountT eu+aa. m nc R®Yt
t / l N 1 ~ Tsvae eras. awa rncm. na asne AS6NIIL / ~ / i / r ~ / , h r / ~ i / i rw~ ~ ~nx,wass s'rnsc air as roP a r ~ D tiN10 LIE
/ / / I I / / / I ~ / / / 1 /r ' I / / , ~ -
r l I ~ ~ / ~ I / i . / / /r / I + J L i / / / ~ / r / / / 22.0 / / ~ ~ ~ - / ~ / I r i / l l } / i AcCE~ cATE sHN.I FES L
/ i r / ~ / ~ / / I / * / / 622h5 i / / / / i a~ErsLAr oN Tor ar sA' 7.tl DM REBrR r PLAN 7,tl OM REBIk RWG
15/ STREAM / / r / / 2.50 / / ~ / / / / / / 0u ~ mNC. B~IFFER ~tYP. ~ ; ~ ~ / i /
/ / ' / ~ 1 / / / / / /I / / / l ~ i i t / i / / r 0-RING
/ ~ / ~ / 821.5 / 62.25 / ~ ~ / ~ / rElu+I4~a~ w~E Floc RCP
/ , ~ / i / / ~ ~ / / ~ / / `U t / ~ os' M I~II~I~1~11=1111 II~II~if~l
/ / / / / / / / / / I/ ~ ~ ~ ~ / / / ~ i l l l ~ - TTEOIama I~~~ _ ~II~II-II~I~I If~ll~ll-11~
r ~ ~ / - ~ ig 11-111~1,,,11~11~I II-111~11~1 >n ~~~1 ~~I ill=
~ ~ ~ 8 / / / ~ ~ ~ I ACCESS GATE DETAIL / / ~ 62~ i l i / 1 / ~ / / ~ ~ ~ / s r 0V, RElws rwc / / r oM Hmul
! i I i ~ ~ / / / / / / ~ I i / ~ I I ' / l / / l / / / i / i ~ D0. RE&R Rf~IC SECTION A-A ~
~ / I I ~ / / / / / DY1. RE&R ~ ' {1 / j /~i i I I l / l~ / I / E 1 61.5 ~ 1 I ~ I ~ ~ FI R Z LTE BLANKET O
A FILTER BLANKET IS TO BE INSTALLED (SEE NOTE) M y 4• BETWEEN THE RIPRAP AND SOIL FOUNDATION. W
i / ~ : ~ I l l + 62+2. l ~ ~ ~ p~ 3000 ~ +;aNaaETE THE FLIER BLANKET WILL CONSIST OF A W
T / I ; ' TOP OF BERM / ' ~ i ~ I I ~ ~ Lo. 4' I.D. 1NNHltE AISER ~ MINIMUM 4 THICK LAYER OF STONE (NCDOT X57) UNDERLAIN WITH MIRAFI FILTER WFJ~VE 700
i ELEV. = 628.00 r I +.50 ~ ~ I I ~ ~ T Lr rn x,/~• A~ Pr i (10 WIDE MIN.) I / I I / I OR APPROVED EQUIVALENT
~ ~ i I / / sQo.a ~ I f I / ~ \ ~ ( iA ~ ~ 1 OUTLET BAR EL VELOCITY DISSIPATOR
J r wtoPERTr uNE i l/ S r i ~ ~ ~ ~ I ~ a1E (cENrERED ox ~ ~ ~ r NAMaIr: sIEPS) Era of wm-fraoaan aoa N.T.S.
/r ~ ~ I ~ 1 1 i i I I ~ ~ / sl ELEYAnar +nEty c,~ 1 ~ I I 1 i 1 ~ I I I I I arQ+ua oN TaP of AccESS GAre swat caoss-secraw) ar~TnlP oN TOP OF s' al
~ I I / + 1 I + I ~ wNC. I I ~ 621 622175 ~ TA lF s'dsnp' ANGE - ~ T~ t.42 FT. (ML) 1. CONCRETE FOR OaLARS SHALL BE 3000 PSI (NW.) 28 DAY
i I i / / ~ ~ ~ p l I I I I r w / ~ I I 51RENCTN 2 COLLARS SHALL ~ CONNECTED TO 4Y O-RING RCP Ntlrl
' / / I I ~ r / os / I I i I A NAIER TIGHT JOWT. 3. CalARS SHALL BE SPACED ALONG BARREL AT 22'-0• QC.
/ I i ~ 2.20' wN PRalECnoH
I ~ - ~ ~ ~ ~ I AP~ROxIMATE TION ~ r 1 I ~ Tv m ~ 136 2 I OFl MKXtOP00L ~ ~ \ a~' - 1v (m.) ~ ~ I 6' MW.
IINV.= 18.50 I I OURFT AREA ~ \ -r -r ~~EI~DDFD ~4' Nf0, r.
I ~ I I r , I ~ ~ ~ ~ , p aEeAR t~ SrMLL8E4'XC6 p~ 2 NTO 8115E NaIRiO PEPoMETER "A v'. • a
t I I / ~ ~ ~ cr>p.? LsEE raTq aaA, I ~ I 1 1 wrrHaE MAWIOLE RISER .r` '.t;_.~ .
I I f I I I \ raAllEert I I POND OUTIE~~ ~ ~ ' OK REBAR R4Ni ~ • •'s'.
I i ~ SEE ETAN. ~ _ _ - - - ~ . f t ~ \ _ . sow pJBYI Is+c (EMOS ON /LOESS OAE) 5 OM REBYt A1r6 ~ • ~ 36'f
I I ~ VELl~CITjI` D16SIPf1 \ ~ _ ~ _ - ' - - - - - _ _ _ _ _ _ _ - r a. Korl arc `r a? RESnt NrG ~ au • j ' ; , O-RING o.D. • IS.S' DRAIN TRASH GUARD DETAIL NTS k~'= 8
I---) ; 30'~x33'Wx2TiyIK. I \ - i I / AVE. ~DIA. 23 /N(~QT _ _ Ix
i ' / ~ ~ '/I' (RP RAP ~ 0~2.~5OX-------- ~ . ~ ~ ~ , ~ ! i ~ _ - _ - p rmul TRH twa (AeaQ •L; i`~ •!!Y' ~rf- 'z WW
# Hor-D~r®~L~ SBL aalrs L91a1 aA1P ATTAgED iD rwr STORM WATER WETLAND 2 W raSER er 2-3 xt/+ aidAlit tIGLTS. FACH aArP TO LIE cart FOUR EAIMiILY SPACm CLA1P ATGgED 1011Y/IOIE O 's EILH CIAIP TO BE OOATED
GRADING PLAN Ire CONCRETE ANTI-SEEP COLLAR
TRA$H RACK DETAIL SCALE: 1 =50 ILTS ray -
WETLAND CONSTRUCTION SEQUENCE
WETLAND OUTLET STRUCTURE NOTES: 1. REFER TO EROSION OONTROL C014S1Rl1CTI0N SEQUENCE AND FOLLOW ALL ASPECTS OF EROSION CONTROL PLAN AS CONSTRUCTION IS COMPLETED. 2. ~ WETLAND IS 10 ~ UTI.IZED AS A SEDMIENT BASIN DURING CONSTRUCTION ACTMTIES, CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT BASIN.
t. 36' RCP OUTLET BARREL SFWL BE C1ASS M RCP, MOOLr1ED BEl1 AIO SPll;af. YEEIMC ASHI C76. 1}IE JDa4TS StiALI 3, Yf,DIATELY INSTALL SST FENCE ASIDE PERIMETER OF UMfT OF CONSTRUCTION. ~ 1.0141NED 0-RNIG Rt~BER GASICEf JOa4)S MEETING A5111 C-443 AID AS1M C-761. 4. E)1GLVATE KEY TRENCN PER DETAIL.
2. TFIE MANHOLE OUTLET RISERS SHa.I ~ 4' f.0., MEETx~IG ASTM C-478 as, AASHfO Y-1911, Mllil PRECAST EXTENDED 5• BApCFlLI ~ iIiENCN AND RAISE BERM PER BERM SOIL AND COMPACTION SPECIFlCATIONS ITEMS ~1 MID PERFORM SOILS COMPACTION TESTS PER ITEM #2.
BASE THE MANHOLE ,IOa4T5 SHAil BE ASTM C-443 RUBBER GASKET JOINTS. MANFfOIE JOINTS SHN.L ~ SECURELY 6. EkCAVATE TRENCH FOR 36' 0-RNG RCP AND INSTALL PER PLAN AND OUTLET STRUCTURE MATERIAL SPECIFICATIONS. aNC110RED TOGETHER 1O PREVEM SEPARATK>N. 7. WRAP All JONifS WRH GEOTEXTILE FABRIC PER tiEM ~4 OF OUTLET STRUCTURE MATERIAL SPECIhTCATiONS.
8. NlSTALL ANTI-SEEP COLLARS PER DETApS. 3. OUTLET STRUCTURES SHal BE PRUMDED NTITi STEPS t'-2' ON CENTER. STEPS SHALL BE N AOOORQ1Nf.E VATH NCDOf 9. BACKFlLL AROUIO 36' 0-RING RCP PER BERM SOIL AND COMPACTION SPECIFICATIONS ITEM ~1 PERFORM TESTS PER ITEM {~2 OF BERM SOiI AND COMPACTION $PEGFlCATIONS.
STD. 840.66. 10. IXCAYATE AREA FOR ANTI-FLOTATK4 BLOCK. a
4. CONCRETE Mm-FLOTATXx4 BLOCK SHaJ. BE a4TEGPALIY ATTACHED ib RISER SASE TO PREVENT R15ER/BLOp( 11. ADD 4' OWIETER RISER AND SECURE TO ANTI-FLOTATION BLOCK. SEPEPATKX4. ~ POSSIBLE, TH5 SNNL ~ PRE-CAST AS PART OF THE MANHOLE RISER uNrt. T2. GROUT 38' BARREL AT CONNECTION TO RISER FOR WATERPROOF94G.
13. INSTALL STEPS TO PoSER OR INSPECT RISER FOR PROPER INSiAUATiON OF STEPS PER NCDOT STANDARD 840.66.
14. INSTALL 8' Pll1G VALVE AND 8" DULMETER GP OR TEMPORAR( EROSION CONTROL PIPE. 15. IF WERAND IS TO BE UTNJZED AS SEDIMENT BASIN, GRADE INTERIOR OF WETLAND TO SEDIMENT BASIN GRADING SPEGFICATK)NS. El 627.45 STRIN.'~
OUTLET STRUCTURE MATERIAL SPECIFlCATIONS: 16. INSTALL TEMPORARY EROSION CONTROL RISER AND SKIMMER. 17. MWNTAIN SEDIMENT LEVELS BELOW MAXIMUM LEVEL THROUGHOUT UFE Of SEDIMENT BASIN. (SEE DETARa 10' (ILL) 1DP OF X161 E4. 678.00
v YE sHAU. eE A Mash srnE 82O x-CENtroC VALVE OR aPPRwED 18' REMOVE TEMPORARY SEGMENT BASIN OUTLET STRUCTURE AND MISTALL 8" DIAMETER DIP. 8" PLUG VALVE IS TO REIWN OPEN UNTIL CONSTRUCTION OF WETLAND IS COMPLETE. 1. POND DRAWDOWN 1S VVs N4 8' PLUG VALVE THE K 19. AFTER STABILJZATION Of SRE, AND APPROVAL OF EROSION CONTROL OFFICER, GRADE WETLAND TO WETLAND DESIGN GRADES. BELOW NORMAL POOL, INTERIOR OF WETLAND TOP OF At;lER ~ 624,40
EO11AL. TINS VALVE IS IN aCCOROANCE WITH Awwa C-504 ~C. 5.5, AND SHALL BE OPERABLE FROM TOP OF OUTLET BE GRADED TO A MB49sK1M OF 1' BELOW DESIGN GRADES AND BACKFlLIED WITH TOPSOIL TO DESIGN GRADES. GRADES ANO SPOT ELEVATKN4$ IN INTERIOR OF WETLAND WILL srRUCTLHIE VIA a HANDWHEFL (SEE DETaL). O
BE PRECISE PER PLAN, OR GRADN4G WILL BE REJECTED AND REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TIME AS INTERIOR GRADES ARE ACCEPGBLE. 2. ALL POURED CONCRETE SHALL BE MINOLUM 3000 PSI (28 DAY) uNIESS OTFERYBSE NOTED. 20. PLANT ALL WEAAMD PLANTS PER WETLAND LANDSCAPING PLAN, SHEET SWLS. ~l
3. TI# H4VERTED SIPHON SHALL ~ 1 LF-3 INCH D4WEIER SCH. 40 PVC PIPE, AST11 D 1785. 21. INSTALL TRASH RACK AND HANDWHEEL PER DETAIL SHEEP.
UPON COMPLETION OF ALL ASPECTS OF WETLAND CONSTRUCTION AND COMPLETE STABILIZATION OF SffE, CLOSE 8" PLUG VALVE. 4. (J=0IEXTXE FABRIC FOR THE 36 a4CH OUTLET BARREL JOLNTS SiIAl1 ~ AM000 S1YLE 4563 POLYPROPI'LENE ~ ~I 2~ NORMAL POOL EL 623.00 D , l
NON-WOVEN NEEDLE PUNCHED FAQ OR APPROVED EOU?l (NON-WOVEN FABRIC). UPPER WY. PVC SPrrON - Y FT. q
STORMWATER WETLAND GRADING NOTES: C9VER NON-WOVEN GE01E1IRF FAa1C I OAER lTAE SNk1l 8E PLACED ALOUD BAliRd OUT = 818.
THE STORMWATER WETLAND DEPICTED ON THIS PLAN SHEET IS GRADED PER NC DMSK)N OF WATER QUALITY STORMWATER BEST 3' D0. WVERTEO JOINTS OF RCP flARAEi. M Y WDE 36• FES FO1~ PYC SPHON (SCH. 40 STRIPS CENTERED ON JOIR. RP RIP 14:tOCRY Fi
BERM SOIL AND COMPACTION SPECIFlCATIONS: MANAGEMENT PRAC1iCES, APRL 1999. PER THIS MANUAL, REQUIREMENTS FOR GRADING AREAS BELOW NORMAL ARE: i. 70% OF AREA OF NORMAL POOL TO 8E DESIGNED AS A MARSH WITH DEPTHS RANGING FROM 0-18 INCHES. DISTRIBUTION ASIY D1785) p~ATOR (SEE OETAk)
1. aLL Fx.1 SgLS FOR BERM SECTION sHAll BE CLEAN, 161PERMfABIE MAIERNI A10 COMPACTm TO aT LEAST g8% EQUAL BETWEEN AREAS 0-9 N4CL4ES AND 9-18 INCHES DEEP.
ni STANDaRD PROCT~t MAXIMIAI DRY DENSITY, AT OPTIMUM MOISNRE CONfEl4f. NO BLASTED MATETBAf.S SHALL BE USED N1 2. 15% OF AREA TO BE 3 FEET DEEP AT THE OUTLET STRUCTURE LOCATION GRADING LEGEND ~ TI# EMBANKMENi CONSTRUCi1oN. SOaS 51W.L NOT IXHIBIT SK;HFIGV4i SHRMI(/SWQ.L OR DISPQiSIVE CiWUCfERI5TICS. 3. THE BALANCE (15x) IS FLEXBLE AS TO DEPTHS. Para Wv. a. 62oao eD 1f 36• o-RNa 6CP ~ 2a0e~ (a a RCP)
m A GEOTECIINICAL ENGWEER SILW.L APPROVE THE SOaS TO BE USED RI THE EMBANKIENf COiISTRUCTION, TAKNIG INTO ADDITIONALLY, THE WETLAND IS TO BE PLANTED UPON COMPIFITON l1SING SPECIES SUITABLE FOR INUNDATION AS USTED IN THE E ACCOUNT ANY AND ALL FUTURE USES Of THE EMBANKMENT 5(:CTx)N. - NC DMSION OF WATER QUAUIY "STORMWATTTt BEST MANAGEMENT PRACTICE MANUAL". (IN vIpMIY aF ouaEf SIRUCItAtE)
~ 2. IN ALL Fa.L AREaS OF T1# , A SDaS COMPaCTgN TEST SHALL !i£ CONIXICTED EACH 2500 SWatE FEET PER STORM DRAN4AGE 4 VERTICAL FOOT OF FSl. FHl SHALL BE PLACED M UFTS NOT TO IXCEED 8 INCHES LOOSE THICIUESS. GRADING SPEGFlCATIONS FOR THIS STORMWATER WETLAND ARE: DRAW TRASH GuIAD eAR~L My. 1 i ; e a a DRAINAGE (SEE OEIAIL) W=820.00 ~ 1
M ~ FEET BELOW IXISRNG 1. TOTAL AREA AT /BELOW EL. 623 (NORMAL POOL) = 36,408 SF STORM SERVICE LIi~ SERIACE 106: 5~ FT. MIN. 8' OP DRAM PPE ANR-SEEP CalARS (X3) TO BE
3. A KEY TRENCH IS TO BE PROVIDED M ALL FlLL AREAS. 1RETVCH TO EXTEND A MNLL9! OF 2. AREA, 0" TO 9" DEEP = 13,280 Sf (36%) GRADE. SOHS AND txIMPACTKHI FOR KEY TRENC,w SHALL MEET ALL REOU11EiENf OF /t ABUJE. - 3. AREA, 9" TO 18' DEEP = 12.320 SF (34%) -1P-iP-1P- TREE PROTECTION HOTEC710N SPACED AT 22-0' O.C. (SEE fIETAR.) 6' ort Pw0 NiL1E
c 4. NO TREES of ANY TYPE MAY BE LOCATED ON THE BERM SEC1K)N. 4. AREA A7 OUTLET, > 18" DEEP = 5,465 SF (15%) WOODED AREA AREA
° 5. AREA IN FORET3AY, > 18 DEEP = 5,343 SF (15%) N 5. MAXaaUM FlLL UFT THICKNESS FOR BOTH THE EMBAWCMENf SECTION AND Ia:Y TRENCH = 8'. 250 ~ 10' CONTOUR 161'TRENCH STOUR ~ 5' Ff. MIN.
sPEnraat+ols) TOUR
SEEDBED PREPARATION 252 2' CONTOUR m TEMPORARY SEEDING SCHEDULE PERMANENT SEEDING SCHEDULE 3 EXISTING 10' CONTOUR G 10' CONTOUR
v, o / 1.) CHLSEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES _ G 2' CONTOUR WA1ERNprf SFri TO BE FRONDED
DEEP OVER ADVERSE SOIL CONOmONS, IF AVaL4BLE. EXISTING 2' CONTOUR a AT IOSfR/INNEL WTEfIFACE NT UNE
o arc 2s - ocT. (ems tat FESCUE 200 ins/~ ,Lw t - wY 1 a'+E tawN) 1~ ~/+rc 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. - - - - - EASEMENT UNE ,S KOBE ~ 3.} REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS END SEC710N
° r??Y , - Auc Is m+wv+ LetlrT a Les/AL: LEAVNrG SURFACE REASONABLY SMOOTH AND UNIFORM. ~ FLARED END SECTION ~ PERMANENT BERM CROSS SECTION N°~ aRC-o3o10
Q a;a ~:tiNEStOtANO aoo~ie/a~~RE ia,'aw-io ~ ~ arc ,s - oEC ao RrE IcPNN) ,zo Les/AC 4.} A~FY~YAGR ~LTU~I.~,S~RTiU~ZEER~ANO~) PERPHOSPHATE ~ CATCH BASIN N easlN ARC03010-SK1
E ~ ~d1EldEJ~ 5.) CONI114UE 111L4GE UNTIL AWELL-PIRVERIZED, FlRM NLET Desrcr>ED sY, REJ
N APPLY 4000 lB/M. STRa0. ANCHOR SiWOM eY TAag1G MBH ASPIi1LL NEnns. ~ DROP INLET a OR " AHAat a+cIATRr+c T004 " Dec wrtH BlA0F5 SEf tFaRLV SIfaYGHT C/N FOILDN trECOML~IleMIONS OF Sal TES15 OR APPLY 1,000 Ig/,rC ptalND REASONABLY 1M11FORM SEEDBED IS PREPARED 4 TO 6 INCHES DEEP. '0 eE USED AS A MULai ANUi0RIN0 TOE. A6PoCULTURE UIE5101E Nm 750 Le/AC 10-10-10 FERrXrtfR i rRaM AUG
- ,t _ ncr to srs_sr>_~n oconssxo m IMO sn/ACT. cl errs nu . rorcusv osxroi..orn ettnern gun riuxro ~ naAeN _
8 -1 - v.... , ..w - ~..r...w .,.....o.., v S I VKMGLY I VK 1 ,tY IUK
Z mspECT AND REPAIR MULCH FReguENTLY. REFmmm R LATE INTER OF THE ANC+IOR St~I TACIOt1G WMM AsT T. 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. YEAR; USE 'D REGULARLY TO A HEIGHT OF 2~I~ffSS.. Y 150 LB/ACRE 70-ta10. MOW OAPPLY R A MULCH AlICN01~IC TOOL A 0151( WITH BIMFS ~T !EARLY 51RM61rt GN SCALE: - ,GE FLOW ARROW
USED A MULCH AMGIDRNG TOOL 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR DRAINAGE FLOW ARROW BE AS RESEEDINGS WITHIN THE PLANTING SEASON, IF POSSIBLE. IF DATE: 02-04-04
o BETWEEN MAY 1 AND AUG. 15, ADD 15 La/ACRE SUDAN ASS OR TO LB/ACK STAND SHOULD BE OVER 60% DAMAGED. REESTABLISH FOLLOWING S 100-YR. BUFFER 0 GERMMT MILLET. MORE MAY 1. OR AFIER AUG. 15. ADD 40 LB/ACRE RYE (GRAN). JAN 1 - AUG I& REFERTLIZE IF GROWTH IS NOT FULLY ADEOLNIE. ORIGINAL LIME. FERTILIZER AND SEEDING RATES. t. BUFFER SHEEP NO.
RESEED. RUERTUff, RW MULCH IMMEDYREIY FOUDMING EROSION OR OTHER DAMAGE. SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING.
U y91E PERMANENT SEEDING SCHEDULE IS FOR EXTERIOR SLOPES OF THE AUG 15 - DEC 30. IEnvt AND RDTERTEIZE DAMAGED AREAS IMMEDIATELY. 100-YR. FLOOD PLAIN WETLMD, AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL- TOP TRESS WITH 50 LB/AC OF NITRO M N MAKK 9.) CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT 2. FLOOD PLAIN PD-2
ELEVATION. IF R S NECESSARY TO EXTEND TEMPORARY COYER BEYOND AM 15, OVERSEED WITH 50 LS/AC LOBE DESPEX7A N AND FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED. LATE FEBRUARY OR EARLY MARCH. f r 30' STREAM BUFFER REAM BUFFER JiMcADAMS
g rA K9IE; USE THE TEMPORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOT ~ See seasonal application schedule PRELIMINARY DRAINING - NOT RELEASED FOR CONSTRUCTION
m CORRECT TO USE THE PERMANENT SEEDING SCHEDULE.
0 a
X

~ ~ I mo, ~ I / ( ~ ~ ~ . E4 ~~o ~ ~ / / / ~ ~ ~ wrNO~ s>EPS m eE PRanEO ADDTRp. EL 63s.3o TRASH RACIt (sEE DETAn}
/ / / I / ( AT 1'-Y O.C. iRA9i ftNq VL {
~ ~ / ~ / ~ ~ ~ ~ {SEE tkTAl , I ~ l / l 1 1 I ~ I z srEPS SNUL eE N AxaRO??~
~ ~ r i / i
i ~ ~ l f / a A
/ ~ ~ ~ ~ / / I ~ 1 / l ~ ( ~ /
ALLALL S1EiS SIII{L FDlIN~E t• F(OI N611E FATE ff S1kC111E VALL j STEPS DDRl90 M taiSDWTO/ Q M110NALS f7lDII ROSE 51oM1 wa ALSN E usn fDNVOED 71E COiINICIOt IPS RMltSN® G< V
l ~ ~ 1 ~ ( ~ ~ ~ ~ / ( ~ / ,-z5 aA. (sat. +o Aslu I ~ i ~ l D,715 INVERTED s TK EffJ@ VIM ETAD.S ff 1NE F104fED S1EPS AND INS NECEIYEI VM101 APPPDVAL Ff~l 11E EINPEER Nt TIE IRE ff SD01 %IEPS. • H. 10 ASTY ~~i J S1+FION v y ~
~'~i \ ( J i I ( , l I I ~ W``~ ~ 4+ QUta,~~ W O
i _ ~ I ~ l / i . / I / NH-~~J • O O
l I ( r l / l 1 / / ~ ~ ry ZF~ u Y' L ,1 F-"1 w z I
/ 4~ / ~ / J ~ assao r I i I / / / ~ r (m.) R ~ Etetl ~ - ELEVA ^ Q~w' " O i L ElE ATlW ~ N
/ ~ / ~ / f / ~ ~ / / t < 1 FT. ONMEIER o W wNNaF RISFR CAST B20N 4 U] rx ~
4 tT. OM11EtETt 1 (PNE-CAST $C110NS) t I ~ CAST~¢I EIEVATIO! ~ ~ \ ~ ~ ER ELEYdTJ~ a ~ ~ QI
~ ' / I ~ tUltiOtE RISER ~ ~ ~ / ~ ~ (VRE-CASE SECDONS) A= Q x ;noHS) a u n~ w ~ N
~ ~
/ 1 ~ / I i ( 1 ~ / / I s a' ok PLUG ~ ~ a ~ W csEE auRET sr ~ N zz z~ .n o N9ERNL SPEC8ICATIDNS)
~ f ( ~ I " W Fri Fri o 0 6' DN PLUC WSLVE = t7 w ao 0
i ~ ~ / i I ) ( I t I ~ I / ~ s. ,e• DIA W~TETBK SPECi1G1101E7 N`' ~ SiBE S[9E ~ Z ['I eh ~ ~r PLAN ELEYdT~! i ¢ O o-RNac RcP W ~ ~ I
~ I I ~ I ,8• ~ A a x D-RNSC ~ h ~
~ , - I ( ~ ~ ~ I a~ NbUER TIDHT zECT1o~I A-A w ~ O c° SFx swNr~Ir~l NNFOES 840,66 w a
I ~ I z ~ r ~I T~ w . o,
/ i I 1 I I ~ ( CO t / ~ ( ( l ( ~r ~1 V ~ o ~ . PRECJSf BASE [ I 38' (11N.)~-i w ~
/ ( ( <r ~ I ~ W 0.' QI ~ <r VELOCITY DISSIPATOR
( t ~I ~ , / ~ l . ( E I LI . 3a' (NN.) I iD.00' I
( tY1EGST .16E I 3s''FES s i I ~r 0-RING RC ONT VIEW r ~2.-~ k,
INV.~sa1. 1 i I ,O.o,' ~ I ~ I r- - - A A
( I ) ~ ( ~ I SIDE VIEW' :W' t,~. `~y
/ / I I POND OUTLET STRUCTURE DETAIL
~ I I ~ POND OUTLET STRUCTURE DET ~ I l TORE DETAIL . NIS
~ ~ I .25~ + ~ 1 ~ 3 ~ ;
~ l ~ I NDTe TRASIB+Aac TO BE ate, ~ FORMED AROUND ourspE
' S + u. 1 LF' 6'~ -RI ~ i ~ to ~ «Ei`ts~ ettrtt® aR s mrtom rsi A etnttuola o00~. I ¢ s. ttc xor-or~m, rw®r a watts awi e~ nanm to nE ~ rTM A elnNraa DaoNID. EDGE aF DU1tET aYaflEl. r~Dm m nE N9N E PULED fM0 151E
~ 5 ~ RCP 0 007e". / ww trac atla tNLOD. nc' e~ wttiaY swi w vucfn aro nc ~ ~ HYIIOIE IEBt ¦N t1Rlt5 91Ai t~CILY ON LOP OF
\ I ~ •o + VEL SSIPATO / 1 ~ ~ I+ 633.a 18'Lx 'W "'MK.
( + ~ 2.0 Ac«ss cAte (anwlEs ~ ~ 1 634. + I / ~ ~ stEPS) otA a FES L r
I i , ~ r ~ ~ + ~ REB+R RNC. 7.0' p? REBIR RING ~AN
I + ~ - I TOP OF BEAM ~ 0311,E ~ i { s33.51 r ~k
I ~ l l ELEV. = s~8.oo ~ l ~ r 0-RING
10' WID MIN. I ( r i' ( ) rFAa+4s~a" CIE TAB RCP
I + os /'wETUwos _ .5 I I , I~Il~li=111 II I ICI
~ i ~ I FAitRIGl1FD tttttAa ~II~II I I 111 I ~
' ~ \ I ~ i + I I ~a,~ rwG By o~ owwl PiE i , I,~, I~, , I I ~ I , I I I I~ I I III K ~I I ICI ~I - I~IF~I I
/ ~ I + ~ ' 633.75 t' a~ itEBw Ir,C ACCESS GATE DETAIL ( I i s~ 4' DM RFBAR 1~ 2. Il,r . ,
/ I ( + j +I I ~ s aA. REBNt ~ ( ~ ~ ~ 63 ~ ~ r aA REErW a• SECTION A-A ~
( ~ 6 ~ ~ r Q ~ I APPROXIMATE LOCA~IOM % ~ ~ ~ , s~ ' FILTER BLANKET z O
~ ~ , OF MICRO~OOL-" ~i ~ ~ - / A FiTER BLANKET IS TO BE INSTALLED (SEE NOTE) r BETWEEN THE RIPRAP AND SOIL FOUNDATION. ~
/ l ~ FOREBAY AREA / / / ~ ~ ~ / a' 3DOD A aolr~ T1~ FLLTER BLANKET WILL CONSIST OF A a
~ ~ k 4' ~o. rrrlaE RISER MINIMUM 4" THICK LAYER OF STONE (NCDOT X57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700
I LINE`", ~ ~ , ~ ~ ~ T LF 2'x2kt/c AtIpE / / ~ / , ~ ~ ,.oB' s OR APPROVED EQUIVALENT
~ ~ i / / ~ I ~ 1 ~ i ' r OUTLET 8 RREL VELOCITY DISSIPAT w. pDP) OR
~ 01lRET1 , ' ~ ' .i / ~ ~ ttAtN01E tans AODTSB aTE (cENle,m aN
~ l ~ f ' .APPROXIMATE T10N i ~ FJ.EVanoN VIEW ~ S I (S DETAR) i , ~ ~ / ii otattLA? aN n ~ / ~ ~ ~ i I ~ ~ . ~ ~ OF MICM L / / ~ ttt~ ten ~ , o~ s~vu°° oT ~A~m-nuTA)TaN ~oac N.T.S. ~~TaPas'aA ~
~ I I , ~ OU~1 T EA / s - ~.a ~F s,a':t/• wt~ 18 F'E$ 3 I LF 16 0-RING , ~ i' ~ / ~ .Ii R mil) 1. COMMIE Fqt OOUARS SHALL ~ 3000 PSI (MN.) 28 DAY
/ ~ i f S~IOM 2 OOlLNI4 91N1 ~ CONVECTED TO 18' 0-RBA; RCP MTH
A MATER 7MAR JOMT. 3. COl1AkS SHALL BE SPACED ALONG BARREL A7 27-0' O.C.
/ , , ~ , ~ ~ s i z.~o' wN PR°JECTpN
~
- - - CL,ASS'3 ..RIL ~ ~ i i ~ i / Zvi ~ / , / ~i, - T NOTE: ~ ~ I E~16EDOi~'D 4 ' ~.1
_ _ . / ~ , ~ J / ~ ~ ~ ~ ~ i ~ i ~ . ' ~ - Ot~P.) (SEE ttDtE)
IMNIpIE RISER '•f,-•.
T' OK REB1R RNW - ~ ' OM RLBMt RBN;.
~ ~ ~ rBO6 ON ACCESS GTE} " 1tlV 'P • S' OM RLBIN RNrc io 0-RNC 18'I n
~ ~ i ' .r ~ i r y tM KlIR AM / r 7' OK Rtl1H RNlG PF , RCP ' 0-RNG OA. ~ 24.5' RCP 8 DRAIN TRASH GUARD DETAIL NTS
_ > ~ ~ ~ti~ .t.
- - - _ i ~ ttE.tR TRASH taac (A~ i.j~ _ NN
R fqY 'f. wy :j.. F+ MIIII FOUR E06YILLY SPACED • ! r,
G4LYM®~Et. cw,PS. FACN ArTAC}EO STORMWATER WETLAND #3 " aeel a z-rXt/4 oaLrr+EtE AtttaloR oars. EApI gAtlP To B f/ICN CUI~ AITACFED TD IWNIOIE . r ~ . BO114. EA0)I CIAM' TO ~ CGTED 0
GRADING PLAN CONCRETE ANTI-SEEP COLLAR
TRASH RaacoET~u, SCALE: 1 =40 N.TS. DETIIL
c~~
WETLAND CONSTRUCTION SEQUENCE
EMrRCENf•Y SPp.UVAY MEIR 10' LONG BRQADCRESIEO MER
WETLAND OUTLET STRUCTURE NOTES: 1. REFER TO EROSION OONTROL CONSTRUCTION SEQUENCE. SHEET ECP-2 AND FOLLOW ALL ASPECTS OF EROSION CONTROL PLAN AS CONSTRUCTION IS COMPLETED. 2. i WETLAND t5 Tn EE UiL)ZED AS A SEDIME?R EiILSN DURING CONSTRUCTION ACTMTIES, CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT EtASN. CREST EIEV. ~ 637.00
t. t6' RCP OURET BARREL. SHALL 8E CLASS EI RCP, MT>DiED BELL AND SPIGOT, MEEiNG AS1M C/e. tNE JONTS SwW. YIEDWTELY iNSTALL SILT FENCE BrSIDE PERIMETER OF IBNT OF CONSTRUCTION. 8E CONFNED 0-RNG RUBBER GASKET JONES MEEiBIG ASTM C-443 AID ASIM C-361. 0. EXCAVATE KEY TRENCH PER WETLAND A DETAN, SHEET SW-1.
2, 1F# MANHOLE Ot1TLET RISERS SHALL ~ 4' I.D., HEELING ASTY C-178 t, AASHiO M-199, WIIN Pl~Sr EXTENDED EIMCICFlLL KEY TRENCH ND RAGE E~P11 PER EIERM SOIL AND COMPACTION SPECIFICATIONS ITEMS ~1 ANO PERFORM S00.S COMPACTION TESTS PER REM ~2. OUTIET 51,11E ~ f0' (?51L
BASE. TNf MANHOLE JONTS SHAU. ~ ASTM C-113 RUBBER CAtt1fET JOIIrS. MAti10LE JOINTS SNNL E SECLMtELY 0. EXCAVATE TRENCH Fpt 1~ 0-RNG RCP MD BISTALL PER PLAN AND OUTLET STRUCTURE MATERIAL SPECIFCATIONS. ANCHORED TOf;ERffR TO PREVENT SFPARATXMt. 7. ~ ALL JOINTS WITH 6ED1EX1lF FAEIBC PER ITEM #4 OF OUTLET STRUCTURE AUIIEAIAL SPECIFCATIONS. TOP OF BE(01 FL. 838.00
3. OU11ET STRUCTURES SWY.L ~ PRONpfD WRH STEPS 1'-Y ON CEIEIER. STEPS SHALL BE N Af~I11CE WITH NCDOT d' ANTI-SEEP tra1KL5 PER DETAILS. ~ 0. ~CI(FlLL AROUND 1E~ 0-LIED RCP PER BERM SOIL AND COMPACTION SPECIFICATIONS ITEM ~1 PERFORM TESTS PER REM /2 OF BERwI SOIL AND COMPACTK)tl SPEGFlCATiONS. TOP ~ RC~R EL. 838.30
10. EXCAVATE AREA FOR N111-FLOTATK)N BLOCK. a
4. CONCRETE ANTI-FLOTATION BLOCK SHNJ. 6E NtEGRALLY ATOIpED 10 R15ER BASE TO PREVEM SOCK 11. ADD 4' DWIETER RSSER AND SECURE TO ANTi-FLOTATION EiLOCK. SEPERATKXJ. ~ POSSIBLE, THIS SHALL BE PRE-CAST AS PANE OF 1HE MiNtOLE RISER tllNT. 12. atOIJT 18' ELNI~ AT CONNECTION TO RISER FOR WATE1tPR00FNG.
13. NSTALL STEPS W RISER OR INSPECT RISER FOR PROPER NSTAIUTION OF STEPS PER NCDOT STANDARD 840.66. 14. MSTALL 8' PLUG MALkE AND 8~ DIAMETER DIP OR TEMPORMI't' EROSION CONTROL PIPE.
1'Jx i WETLAND 610 ~ LRi.RED AS SEDIMENT BASIN. GRADE NTERX)R OF WETLAND TO SEDIMENT BASIN GRADING SPECIFICATIONS. e~` ° NORMAL POOL EL 63s.DO y ~F" riyA M
OUTLET STRUCTURE MATERIAL SPECIFICATIONS: iR INSTALL TF.MPOpNTY EROSON coNTROL RISER AND SKIVER. 17. WINTAIN SEDrEIIT LEVELS BELOW MAXIMUM LEVEL TFtliOlIGI10tTT LIFE OF SEDIMENT BASIN. UPPER MY. PYC SHIFI011 = 1 Fi. W' CfHER NON-WO'Y91 E FABRIC
t. POND oRAwDOwN I5 vN AN 8' PLUG VALVE. THE VALVE SHALL 8E A Md:Ft STYLE B2D Jf-CE1~ Mt1E OR APPROVED 1a ~N OUTLET STRUCTURE MD NSTAII 8' DIAMETER DIP. 8" PLUG VALVE IS TO REMNN OPEN UNTIL CONSTRUCTION OF WEiIAID IS COIPLEtE t SNALI. ~ RACED AROUND BARREL NH. OUT ~ 628. 25' D0. lAIE® I JOINTS OF MM BAFtI~L IN 2' NiIDE
EQWL THIS VALVE IS tN ACCORDANCE M9TH AMM1B1 C-501 SEC. SS, AND SW41 BE Or9rIrE NIa110P a OUTLET 10. AFTER STAEMQATION OF SRE, AND APPROVAL OF ER0610N CONTROL OFFICER, GRADE WETLAND TO WETLAND DESIGN GRADES. BELOW NORMAL POOL, INTERIOR OF WETLMD STRUCTtA~ VN A wwmt'Hm. (SEE DETAIL) SHOULD BE GRADED 10 A MINNrAAI OF 1' BELOW DESIGN GRADES AND BACKflLLED WRH TOPSOIL TO DESIGN GRADES. GRADES AND SPOT ELEVATIONS IN INTERIOR OF WETLAND WILL ~ S~?IOfI ~ 10 18' FES STRPS CEIEIFD ON JOBIf. RIp ~ 0 ASRA D1785) 0651PATOR (SEE DETAA)
EE PRECISE PER PLAN, OR GRADNG WILL BE REJECTED AiD REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TiME AS INTERIOR GRADES ARE ACCEPTABLE. z. al POURED CONCRETE SHALL eE 11NNUM 3000 P9 (28 DAY) uNFSS oiFERMtSE NOTED. 20. PLANT ALL WERAiD PLANTS PER WENWD LANDSCAPBIG PLAN. SHEET SWLS.
BE 4 LF-2.5 INCH DWETER SOH. 40 PVC PPE, ASIM D 1785. 21. NSTALL TRASH RACK AND FNFOMMEEL PER DETAIL 3• ~ tNVERTEO ~ SFULt Ip011 COMPLETION OF ALL ASPECTS OF WETLAND CONSTRUCTION AND COMPLETE STABILIZATION OF SITE, CLOSE 8° PLUG VALVE POND NIY. EL 63200 53 LF 18' OaMIO RCP 0 7.SOX (p,. ~ RCP)
4. GEOTEXTII..E FABRIC FOR 1HE 18 NCH OURET EiARRLl JONES SFWl ~ AMOCO STYLE 1563 POLYPROPAFtE (NJ N12181Y OF OUtIET S118N711E)
NON-WTWEN 1~EDlE PUNCHED FABRIC OR APPROVID EALNL (NON-MOVEN FABRIC). DRAM 15555V glMn ~ 1 1
STORMWATER WETLAND GRADING NOTES: ~ 01=63200 -t1 ( ~ 5' FT. MW. 1
1fE STORMWAIER WERAND DEPICTED ON THIS PLAN SHEET IS GRADED PER NC OtVISION OF WATER QUALRY STORMWATER BEST r or a5w PPE Axn-SEEP oDl1JRS (x3) To 9E
BERM SOiI AND COMPACTION SPECIFICATIONS: IIMINGEMENr PRACTICES, APRIL t999. PER THIS MANUAL, REQUIREIiEPffS FOR GRADING AREAS BELOW NORMAL ARE: 1. 709: OF AREA OF NORMAL POOL lO BE DESIGNED AS A MARSH WRH DEPTHS RANGING FROM 0-18 INCHES. DISTRIBUTION sa1c~ Ar rr-o' as (sEE oETADa >C a? tw nluE
t. ALL F1U. SOILS FOR BERM SECTON SNN.L BE CLEAN, p.E MATERML AND COMPACiID TO At LEAST 98% EOIMIL BETWEDE AREAS 0-9 NCHES MID 9-18 INCHES DEEP. ni STANDARD PROCTOR MAXIMIAJ ORY DENSITY, AT OPTIMUM MOISRIRE CONTENT. NO 81ASIED MAIERWS S4MLL BE USED N 2. 15% OF AFTFA TO BE 3 FEET DEEP AT THE OUTLET STRUCTURE LOCATK)N GRADING LEGEND (Se o>Amr swluauRE ~ rlEerr stonnaa)
m 1F~ ENBANKLffNT CONSTRUCTION. SOES Sti41 NOT EXI~IT SiGPtFICANT SFitNK/SWELL OR DISPER~VE gitFACTERI51tCS. THE BALANCE (15%) IS FLEXBI.E AS TO DEPTHS. ~ A GEOTECHPNCAL ENGNEER SHALL APPROVE THE SOlS TO BE USED N 7th EM8ANK1ffNT CONSTRUCTION, THONG INTO AOOiTIONALLY, TILE WETLAND IS TO BE PLANTED UPON OOYPlETION USING SPECIES SURABIf FOR INUNDATION AS LISTED tN THE IOY 7R 5' Fi. MIN.
E ACCOUNT ANY AND ALL FUARtE USES OF THE EMBAIIKMENT SECTON. 1~ DMSK)N OF TOTTER QUALIIif 'SiORMWATER BEST MMMGEIENT PRACTICE MANUAL".
~ 2. N Au FLLL AREAS of THE BERM. A SOAS COAi'ACTKtN TEST Stall ~ CONDUCTED EACH 2500 SQUARE FEET PER STORM DRAINAGE q VERTICAL FOOT OF FILL. FILL SIW1 BE PLACED N uFTS NOT TO IXCEID 8 INCHES LOOSE THICtfFESS. CRIIDING SPECFICATIONS FOR THIS STORMWATER WERAND ARE: ~tM DRANAGE
$ 1. TOTAL AREA AT / BELOW EL 635 (NORMAL POOL) = 13,210 Sf 3. AKEY TRENCH IS TO ~ PROVIDED N ALL FIU AREAS. 1RENCH TO EXTEND A MIMNUM OF fIVE FEET BELOW EXISTING M UN ?RM SERVICE LINE walwr sEx To eE PRO50®
~ GRADE. SOILS AND CONPACTKMi FOR KEY TRENCH SFNLL MEET ALL REQUNrE1HIT OF }t ABOVE. 2. AREA. 0' TO 9 DEEP = 4,280 SF (32%) 3. AREA. 9' TO 1B' DEEP = 4.965 (38%} -1P-1P-1P- TREE PROIECTiON .E PROlEC710N Ai I~WIAEL RnERFACE
4. ND TREES Of ANY TYPE MAY BE LOGTED ON THE BERM SECTION. ~ AREA AT OUiLET, > 18" DEEP = 1,984 SF (t5%) WOODED AREA ODED AREA
o S. AREA IN F'ORETLAY, > 18' DEEP = 1,981 SF (15%) cv 5. MAXNUM FlLL LIFT THICKNESS FOR 80TH THE E118MACMENT SECTKt!! AND KEY TRENCH ~ B'. ~ 250 to' CoNmtIR PERMANENT BERM CROSS SECTION r
a 252 CONTOUR
TEMPORARY SEEDING SCHEDULE SEEDBED PREPARATION 2' GDNTOUR PERMANENT SEEDING SCHEDULE 25Q EXISTING 10' CONTOUF STING 10~ CONTOUR
I~ ~~g 1.) CFBSEL COMPACTED AREAS AND SPREAD TOPSOIL 3 NCHES STINO r CONTOUR
~ DEEP OVER ADVERSE SOIL CONOTTIONS, IF AVNIAEU.E. EXISTING Z' CONTOUR a o AUG 25 - OCt. (BESYj TAU FESCUE aoo Les/AC .Lw t - Lwr t uE (atAN) u0 t66/AC 2.) Rp THE ENIitE AREA TO 6 INCHES DEPTH. - - - - - EASEMENT LBIE SEMENT ~ TOP OF DAY ELEiI. = 638.00
o FEB. -APR 15 (POSSaE) i0E LESPEDEU ~ ~1~ 3.) REMOVE ALL LOSE ROCK, ROOTS, AND o1HER OBSTRUCnONs 4RED END SECTION ' \ ~ -
Mat - AuG t5 ~ MuET io te5/AC LFAVNG SURFACE REASONABLY SMOOTH AtX1 UNF'ORM. ® FLARED END SECTION i~lIDDDBS JT ~ . Pxor~r N°. ARC 03010
q ApPLr LYE AIn FERRIRER ACCORONC to 9Ct TE575, oR APPI.r X000 ACRE AU1 is - oEC 10 LLW (cRaR) tau tes/AC 4.) APPLY At#BCULTURAL uME, FERIiLQER, AND SUPERPFIOSPHATE 'm GROIAD AGfiCULA1RAL LILIESTONE Ala 1000 u/ACRE to-to-to UF~IFORIIY kID Mtx WRH SOIL (SEE BELOM~). B1 CATCH BASH 3 3 rcN eA~N T ~ ARC03010-SK1
E !{E~ ~d~ 5. CONTI141E TRIAGE UNTIL AWELL-PULYEiOZED, FlRM OP INLET
o. AFPLY X000 LB/AC STRMM''WCHOR 5IWM~ BY TApOJG WRN ASffNIT' IEi1N8' FoLLGw RE a sot. lESfs al NPIY 2,000 L$/AC CRaM~ ) REASONABLY UNIFORM SEEDBED IS PREPARED 4 TO 6 INCHES DEEP. ~ DROP INLET ~ ~ u ASAS A L TO°~ol~ ~ s~ r ~ AtxucuLTURE wE Allr, YSO LB/AC to-YO-to FEmurrtl (FTtoM Auc DESIGNED sY: REJ
c t5 - DOC 04 E#~ tFto-to FERnIJIDt TO tooo 18/AC). R 1 ectr rw A tsrrcw v oacoearn cccrrrn awt mvcR ~ ,..,......mow nntns av.
JKMI.[.PIUR 3' ~
3 w9w AND REPAIR MIRTH FREouENTLY. RUmmaE IN LATE wWER OF THE APPma2f LY uAle N ANpgR STRNI TACKws wrtH AsPwu. 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULL NCHES. "OW D FOLLOW14G YEAR, USE SOIL Tars APPLY Aso LB/ACRE IaIO-lo. MOW OR A MULCH ABC Tool A tic wml eIAOES aT HE-9 slro I ca+ DRAINAGE FLOW ARRO REDULAKY TO A HEIGHT OF AINAGE FLOW ARROW SCALE: _
c BE USED AS A Ir01 ANpIgtlNG TOOL 8) INSPECT ALL SEEDED AREAS AND MAl(E NECESSARY REPAIRS OR m RESEED011 S WITHIN THE PLANTING SEASON, IF POSSIBLE. IF Awazimmu DATE: 02-04-04
a BETWEEN MAY 1 AND AUG. 15. ADO 15 US/ACRE SUDS OR 10 LB/AgIE SUMO SHOULD BE OVER 60% DAMAGED. REESTABLISH FOLLOWING ~ 100-YR. BUFFER )-YR. BUFFER EMERGENCY SPILLWAY DETAIL sir NO.
C) GERMAN MILt£G BEFORE MAY 1. OR AFTER AUG 15. ADD 40 IB/ACK RYE (GRAN). JAN 1 - AUB I& REFV IF ~ IS NOT FULLY I ORIGNAL LIME, FERTILIZER AND SEEDING RATES. 4 RDUOBwG EROSION OR OTHER DW41E SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTPACK AFTER SEEDING.
t1 100 yQg PERMANENT SEEDING SCHEDULE IS FOR ExTERIOR SLOPES OF THE llllll~ AND WETLAND.. AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL AUG 15 - DEC 3k 1W EI r LS/AC DAMAM TROM N WW Y 9.) CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT -YR. FLOOD PLAIN )-YR. FLOOD PLAIN (NTS)
ELEVATION. ~B~ TO ECFM /tEMF~ COM M AID FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED. . WME Q LATE HTERIMRY OR EARIr MARCH 30' STREAM BUFFER ' STREAM BUFFER
g b1M USE THE TEIFORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOT • See IMasonoi application sc11wNl~le McADAMS
CORRECT TO USE THE PERMANENT SEEDING SCHEDULE. L 'o PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
d
X

POND OUTLET STRUCTURE
(SEE DETAIL)
PROPERTY UNE -�
ANTI -SEEP COLLARS (X2)
TO BE PLACED EQUIDISTANT FROM
CENTER OF BERM 20' APART (10 FT
ON EITHER SIDE OF THE CENTER OF
THE BERM)
INV=6271.57
PER NCDOT �, x
STD. 838.80
VELOCITY DISSIPATOR
ARE
THE
NOTM
HANDWHEEL
i. MANHOLE S�T�EEPS TO BE PROVIOW
AT 1� ACty TRASH RACK
1/0
SHALL BE IN (SF>E OETNL)
WRN NCDOT STD. 840.66
632.9
` I D1785"INVER6SI Hd`N
• 1 L0�
(TY'-)
( SECTIONS)
i
113LF 8" DIA. PLUG VALVE
6.42' (SEE OUTLET STRUCTURE
MATERIAL SPECIFICATIONS
Ei WALL
WATER T1GHr 36' DIA
SEAL O-RING RCP
BARREL 630.76
9N. EL 630.56
POND DRQ PIPE LI L1 LI. <<La
PRECAST BASE �) �t <1
'SIDE VIEW"
OUTLET STRUCTURE DETAIL
HIS
NOTES
1. ALL REBAR TO BE 04 REBAR.
2. ALL REBAR AND ANGLES TO BE GAWM47fD WiTH AN EPDXY COATING.
3. THE HOT -DIPPED, GALVANIZED 2-4-0 /4- ANGLES SWILL BE WELDED TO THE REBAR
TRASH RACK. ONCE WELDED, THE ASSEMBLY SWILL BE PLACED ONTO THE
MANHOLE RISER WITH ANGLES SITTING DIRECTLY ON TOP OF RISER.
ACCESS GATE (CENTERED ON
MANHOLE STEPS) END OF
ACCESS GATE SHALL
OVERLAP ON TOP OF 6.45'
DIA, REBAR RING.
1' RADIUS -
FABRICATED HINGES
2' DIA. REBAR RING
5' DIA. REBAR RING
6.45' DIA REBWR RING
7.9' DIA. REBM RING
%4 REBAR--
(TYP.)
7.9LF 2.4%11/4' ANGLE
7.9 LF 2"4"xt/4" ANGLE
(TYP.) (SEE NOTE)
5' DIA. REMR RING J
6.45' DIA REBAR RING J
ACCESS GATE DETAIL
i4
3.3' RADIUS
-- 7.9' DIA. REBAR RING
ACCESS GATE (CENTERED ON
MANHOLE STEPS) END OF
ACCESS GATE SWILL
OVERMP ON TOP OF 6.45'
DIA REBAR RNA.
SMVEM
MANHOLE IBM
10' (TYP.)
PRECAST
. �. DETAIL)
"FRONT VIEW"
8" DLA. PLUG VALVE
(SEE OUTLET STRUCTURE
MATERIAL SPECIFICATIONS)
POND OUTLET STRUCTURE DETAIL
NTS /
tf Al2 IDE do T D WIRE fABRiC
12W
XE62ARX EP) METER FRAME
81D DIP DRAIN PIPE (6LF)
1
4'
T
EEAAN�C LOTA)TION BLOCK
Fr. (MN.)
8" DRAIN TRASH GUARD DETAIL (NTS
v
M
OR p" C4
z0.4
rn
2
n tr
STORMWATER WETLAND #1 '�
TALWCH BARRELREBAR RING
GRADING PLAN OUTLET TO DAYLIGHT tr.45'
CIA, BAR RING
SCALE: 1"=40' REBAR RING
WETLAND CONSTRUCTION SEQUENCEPOND OUTLET STRUCTURE NOTES: ENIDS ON Aon..EBAR RING
1. 36' RCP OUTLET BARREL SHALL 8E CLASS III RCP, MODIFIED BELL AND SPIGOT, MEETING THE REQUIREMENTS OF ASTM 1/2* GRADE 8 STAINLESS 9
1. REFER TO EROSION CONTROL CONSTRUCTION SEQUENCE AND FOLLOW ALL STEEL CONCRETE LAG
PLAN VIEW
ASPECTS OF EROSION CONTROL PLAN AS CONSTRUCTION IS COMPLETED. C76 -LATEST. THE PIPE .IOINTS SHALL BE CONFINED 0 -RING RUBBER GASKET JOINTS MEETING ASTM C -443 -LATEST AND SCREW TRASH RACK DETAIL a E4E11N1T1
JOINTS OF ASTM C -361 -LATEST. THE PIPE JOINTS SHALL BE TYPE R-4. ~
2. IF WETLAND IS TO BE UTILIZED AS A SEDIMENT BASIN DURING CONSTRUCTIONN.T.S. q
ACTIVITIES, CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT
BASIN. 2. THE MANHOLE OUTLET RISER SWILL BE 5' I.D., MEETING ASTM C -478R -LATEST & AASHTO M -199 -LATEST, WITH A 2.25' MIN PROJECTION 12 MIN. N
3. IMMEDIATELY INSTALL SILT FENCE INSIDE PERIMETER OF LIMIT OF MONOLITHIC BASE. THE MANHOLE JOINTS SHALL BE ASTM C-443 RUBBER GASKET JOINTS. MANHOLE JOINTS SHALL BEI I
CONSTRUCTION. SECURELY ANCHORED TOGETHER TO PREVENT SEPARATION. CONTRACTOR SHALL ANCHOR MANHOLE SECTIONS USING THE ,' .'
4. EXCAVATE KEY TRENCH PER WETLAND DETAIL. 3. 12' X 12" X 1 /2" GALVANIZED ; ; '
5. BACKFILL KEY TRENCH AND RAISE BERM PER BERM SOIL AND COMPACTION RISER JOINT SAIL' STEEL STRAP 4 PER MANHOLE '• = ' 1 '''= =1 o
SPECIFICATION ITEM #1 AND PERFORM SOILS COMPACTION TESTS PER ITEM /2. JOINT) .� ` - :••• ' � �• •'
6. EXCAVATE TRENCH FOR 36' 0 -RING RCP AND INSTALL PER PLAN AND PER 3. 36' 0 -RING RCP SHALL HAVE AN ENDWALL PER NCDOT 838.80 SPEC. _ ? ` •-' "_::`.
OUTLET STRUCTURE MATERIAL SPECIFICATIONS. 6' = ~
.. ;-j .`
7. WRAP ALL JOINTS WITH GEOTEXTILE FABRIC PER ITEM /2 OF OUTLET 4. OUTLET STRUCTURES SHALL BE PROVIDED WITH STEPS 1'-2" ON CENTER. STEPS SHALL BE IN ACCORDANCE WITH NCDOT-= ;"0
STRUCTURE MATERIAL SPECIFICATIONS. O-RING •:
8. INSTALL ANTI -SEEP COLLARS PER DETAILS. STD. 840.66. N ti•'• RCP -:'� 1 RARING D. 45.5" g
9. BACKFILL AROUND 36" 0 -RING RCP PER BERM SOIL AND COMPACTION NOTE: EACH MANHOLE JOINT TO HAVE AN 0 -RING °p ; �' +
GASKET (ASTM C-443) AND BE MADE WATERTIGHT WITH j ', ; : ,. - i •; ' r
5. CONCRETE MITI -FLOTATION BLOCK SHALL BE INTEGRALLY ATTACHED TO RISER BASE TO PREVENT RISER/BLOCK SEPARATION.
,..
SPECIFICATIONS ITEM 1'1. PERFORM TESTS PER ITEM ,#2 OF BERM SOIL AND ANON -SHRINK CEMENTITIOUS GROUT ON THE INSIDE _
COMPACTION SPECIFICATIONS. OR PRECAST AS THE EXTENDED BASE OF THE MANHOLE DURING FABRICATION. F THE CONCRETE MITI -FLOTATION BLOCK IS : ' S' ' ` • ' " r PLM
AND OUTSIDE. ' L:. , ..` : • •:. :'.
10. EXCAVATE AREA FOR ANTI -FLOTATION BLOCK. INSTALL ANTI -FLOTATION CAST SEPARATE FROM THE MANHOLE ASSEMBLY THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANCHORING THE !t': ;��=t''r�ti�r!••: �:.� ••a
BLOCK. ANTI -FLOTATION BLOCK TO THE MANHOLE RISER ASSEMBLY. RISER JOINT DETAIL
11. ADD 5' DIAMETER RISER AND SECURE TO ANTI -FLOTATION BLOCK.
12. GROUT 36" BARREL AT CONNECTION TO RISER FOR WATERPROOFING. BERM SOIL AND COMPACTION SPECIFICATIONS: N.T.S. '
13. INSTALL STEPS TO RISER OR INSPECT RISER FOR PROPER INSTALLATION OFNOTES:1 OF 1
STEPS PER NCDOT STANDARD 840.66. 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT LEAST 9876 OUTLET STRUCTURE MATERIAL SPECIFICATIONS:
14. INSTALL 8" PLUG VALVE AND 8" DIAMETER DIP OR TEMPORARY EROSION STANDARD PROCTOR MAXIMUM DRY DENSITY, AT OPTIMUM MOISTURE CONTENT. NO BLASTED MATERIALS SHALL BE USED IN THE i. BCONCRETE T FOR COLLARS SHALL BE 3000 PSI (MIN.) 28 DAY .�
CONTROL PIPE. EMBANKMENT CONSTRUCTION. SOILS SHALL NOT EXHIBIT SOMCANT SHRINK/SWELL OR DISPERSIVE CHARACTERISTICS. 1. ALL POURED CONCRETE SWILL BE MINIMUM 3000 PSI (28 DAY) UNLESS 2. COLLARS SHALL BE CONNECTED TO 36" O-RING RCP WITH
15. IF WETLAND IS TO BE UTILIZED AS SEDIMENT BASIN, GRADE INTERIOR OF ON-SITE GEOTECHNICAL ENGNOEER SWILL APPROVE THE SONS FOR PLACEMENT WITHIN THE BERM SECTION. THE OTHERWISE NOTED. A LATER TIGHT Jowl,
WETLAND TO SEDIMENT BASIN GRADING SPECIFICATIONS. GEOTECHNICAL ENGINEER SHALL ALSO SPECIFY THE METHODS TO BE USED FOR PLACEMENT OF FILL. IF ADDITIONAL USES a SHALL � fl Ut�G BARREL As srRowN ON
16. INSTALL TEMPORARY EROSION CONTROL RISER AND SKIMMER.2.
17. MAINTAIN SEDIMENT LEVELS BELOW MAXIMUM LEVEL THROUGHOUT LIFE OF ARE PLANNED UPON THE BERM SECTION (BUILDINGS, ETC.). THE GEOTECHNICAL ENGINEER SHALL SPECIFY SOILS SUITABLE FOF
STYLE 4553L FABRIC
FOR
NE E N6 INCH OUTLET
TE BARREL
UNCHEDJOINTS
APPROVED EQUAL CONCRETE ANTI -SEEP COLLAR
SEDIMENT BASIN. THAT ADDITIONAL USE.
18. REMOVE TEMPORARY SEDIMENT BASIN OUTLET STRUCTURE AND INSTALL 8' (NON -WOVEN FABRIC) )(2 (NTS)
DIAMETER DIP. 8" PLUG VALVE IS TO REMAIN OPEN UNTIL CONSTRUCTION OF 2. IN ALL FILL AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL BE CONDUCTED EACH 2500 SQUARE FEET PER
WETLAND IS COMPLETE.VERTICAL FOOT OF FILL
19. AFTER STABILIZATION OF SITE, AND APPROVAL OF EROSION CONTROL 3. POND DRAWDOWN IS VIA AN 8" PLUG VALVE. THE VALVE SHALL BE A M&H GRADING LEGEND TOP OF BERM EL 639.64
OFFICER, GRADE WETLAND TO WETLAND DESIGN GRADES. BELOW NORMAL POOL. STYLE 820 X -CENTRIC VALVE OR APPROVED EQUAL THIS VALVE IS IN
TOP OF RISER EL 637.17
INTERIOR OF WETLAND SHOULD BE GRADED TO A MINIMUM OF V BELOW DESIGN 3. A KEY TRENCH IS TO BE PROVIDED IN ALL FILL AREAS. TRENCH TO EXTEND A LANr1111UM OF FIVE FEET BELOW EXISTING ACCORDANCE WITH AWWA C-504 SEC. 5.5, AND SHALL BE OPERABLE FROM TOP H7
GRADES AND BACKFILLED WITH TOPSOIL TO DESIGN GRADES. GRADES AND SPOT GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENTS OF #1 ABOVE. OF OUTLET STRUCTURE VIA A HANDWHEEL (SEE DETAIL).
ELEVATIONS IN INTERIOR OF WETLAND WILL BE PRECISE PER PLAN, OR GRADING STORM DRAINAGE
WILL BE REJECTED AND REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TiME 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. 4. THE INVERTED SIPHON(S) SHALL BE 1 LF -3 INCH DIAMETER SCH. 40 PVC PIPE. .. .. STORM SERVICE UNE
AS INTERIOR GRADES ARE ACCEPTABLE. ASTM D 1785•
20. PLANT ALL WETLAND PLANTS PER WETLAND LANDSCAPING PLAN.
21. INSTALL TRASH RACK AND HANDWHEEL PER DETAIL. 5. FILL PLACEMENT SWILL NOT EXCEED A MAXIMUM 8" UFT. EACH LIFT SHALL BE CONTINUOUS FOR THE ENTIRE LENGTH OF -TP -TP -TP - TREE PROTECTION NORMAL POOL EL 632.9
22. UPON COMPLETION OF ALL ASPECTS OF WETLAND CONSTRUCTION, COMPLETE EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, ALL UNSUITABLE MATERIAL SHALL BE REMOVED AND THESTATEMENT OF RESPONSIBILITY: _
STABILIZATION OF SITE AND CLOSE 8" PLUG VALVE. SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. ALL REQUIRED MAINTENANCE AND INSPECTIONS OF
WOODED AREA UPPER INV. PVC SIPHON
THIS FACILITY SHALL BE THE RESPONSIBILITY OF 250 10' CONTOUR 3" DIA INVERTED '
PERMANENT SEEDING SCHEDULE TEMPORARY SEEDING SCHEDULE SEEDBED PREPARATION THE OWNER, PER THE EXECUTED OPERATION AND 252 PVC SIPHON (SCH. 40
MAINTENANCE AGREEMENT FOR THIS FACILITY. 2' CONTOUR ASTM 01785
S4MWL= ilill:lmAPPUCATION 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES ---2 EXISTING 10' CONTOUR
FDI -ANG SEMNG rvlxnRE APPLICATION -RATE IDEEP OVER ADVERSE SOIL CONDITIONS' IF AVAILABLE. STORMWATER WE TLA N D GRADING NOTES: -------Z2------- EXISTING 2' CONTOUR POND INV. EL. 630.75
AUG 2s - OCT. (BEST) TALL FESCUE 200 Les/AC JAN 1 - MAY t RHE (OR" 120 L25/AC 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH.
KOBE U3PEDM so LeS/Ac 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS THE STORMWATER WETLAND DEPICTED ON THIS PLAN SHEET IS EASEMENT UNE (IN VICINITY OF 0=TRASHG
E)
FEB. - APR 15 (POSSIM.E) MAY 1 - AUG l5 OEAMNI MUFF 40 LBS/AC LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. FLARED END SECTION
SOIL -AMENDMENTS 4.) APPLY AGRICULTURAL IME, FERTILIZER, AND GRADED PER NC DMSION OF WATER QUALITY STORMWATER BEST CA DRAIN
LBS AIJD 1s - ooc 3o RYE (GRAIN) 120 Les/Ac ( "� MANAGEMENT PRACTICES. APRIL 1999. (SEE DETAIL)
APPLYND AGRICULTURALEAFERTILIZER AC DINAND O SOLI TESTS, 10-10-10 APPLY 4ERnL¢ER UNIFORMLY AND MIX WITH SOIL SEE BELOW CATCH BASIN
tl SOLlIM7IIIEIQS 5.) CONTINUE TRIAGE UNTIL A WELL -PULVERIZED. FIRM 6 LF 8" DIP DRAIN PIPE
APPLY 4000 LB/AC STRAW. ANCHOR STRAW 8Y TACKING WITH ASPHALT, NE1T114Q FOLLOW 11MIA NDMIaNs of SOL 1131E OR WLY 2.000 LB/AC GROUND REASONABLY UNIFORM SEEDBED IS PREPARED 4 TO 6 INCHES DEEP. � DROP INLET DIA. PLUG VALV
OR A MULCH ANCHORING TOOL A DISK WITH BLADES SET NFARLY STRAIGHT CAN I � Wo -10 10 q )� FROM AUG SEE OUTLET STRUCTURE
BE USED AS A MULCH ANCHORING TOOL 6.) SEED ON A FRESiHLY PREPARED SEEDBED AND COKER
�� Q STORMCEPTOR MATERIAL SPECIFICATIONS
MAINT:�F APPLY 4000 Le/AC STNAw. ANCHOR seat W VOM VON ASPHALT. NETTING, 7.) MULCH YEDIAATELY AFTER SEEDING AND ANCHOR MULCH.
INSPECT AND REPAIR MULCH FREQUENRY. REFERTILIZE IN LATE WINTER OF THE OR A MULCH ANCNORMIG TOOL A DISK WIM ■AM Q IEMLY STRAIGHT CAN
FOLLOWING YEAR; USE SOL TESTS OR APPLY 150 LB/ACRE 10-10-10. Mow SE USED AS A MULCH ANCHORING TOOL, 8.) INSPECT ALL SEEDED AREAS AND MACE NECESSARY REPAIRS OR DRAINAGE FLOW ARROW
REGULARLY TO A NICHT OF 2-4 INCHES. RESEED*= WTTHN THE PLANTING SEASON, IF POSSIBLE. IF
N ARSF PLANTS MAINTENANCE STAND SHOULD BE OVER 60R DAMAGED, REESTABLISH FOLLOWING
BETWEEN MAY 1 AND AUG. 15, ADD 15 LB/ACRE SUDANGRASS OR 10 LS/ACRE JAN i - AUG 15: REFERIUM E GROWIN E NOT P LY ADEQUATE' ORIGINAL LME FERTNIZER AND SEEDING RATES. 100 -YR. BUFFER
GERMAN MILLET. BEFORE MAY 1. OR AFTER AUG. 15, ADO 40 LB/ACRE RYE (GRAIN). F ER06aM OR OA11Y SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTI'ACK AFTER SEEDING.
AUG 15 - DEC 30: WAR AM IEiERTIUN iAL1ACED ANIS MNEDPATELY.
NOTE: PERMANENT SEEDING SCHEDULE IS FOR EXTERIOR SLOPES OF THE TOP DRESS MITN 50 l2/AC of IMIIONN w MARCH. 9.) CONSULT CONSERWTKIN INSPECTOR ON MAINTENANCE TREATMENT ova=
100 -YR. FLOOD PLAIN
WETLAND, AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL IF IT 6 NECESSARY W [Xn= tEMPWIAIRY COVER BEYOND AND FERTLaMION AFTER PERMANENT COVER IS ESTABLISHED.
JUNE 15. OVERSEER WITH 50 L2/AC NOSE LFSPEDEZA IN
LATE E1;eRAIIr UOR FAALY MASI:fL
ELEVATION. ' 30' STREAM BUFFER
NOTE: USE THE TEMPORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOr � Saa 64os0nol oppIC01)0n Bchedute llf,G/ff�','/fll�l�1I
� CORRECT TO USE THE PERMANENT SEEDING SCHEDULE.
NOTtu
ALL STM SHALL PR011MIK 4' FROM INSIiE FACE 13F STRUCTURE WALL. �>
So DIFFERING IN >IOTNS, CO UNIRATOR 00 WLTERiALS FROM THOSE SHOWN MAY ALSO SE USED PROVIDED THE CONTRACTOR HAS FURNISHED <<
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ELEV TION 840.66
CDOT CLASS 'B' RIP RAP
NCDOT STD. 838.80 18'Lx21'Wx22"THK
HEADWFALL WITH AVG 0 = 6"
WINGWALLS
A NOTE:
A FILTER BLANKET IS TO BE
A INSTALLED BETWEEN THE RIPRAP
AND SOIL FOUNDATION. THE
FILTER BLANKET WILL CONSIST
OF A MINIMUM 4" THICK LAYER
21' OF STONE (NCDOT #57)
UNDERLAIN WITH MIRAFI FILTER
WEAVE 700 OR APPROVED
36" O-RING RC EQUIVALENT
9' WIDE -
NCDOT STD. 838.80
HEADWALL WITH
WINGWALLS
u P 4
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SECTION A -A
OUTLET BARREL VELOCITY DISSIPATOR
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STORMWATER WETLAND #1 '�
TALWCH BARRELREBAR RING
GRADING PLAN OUTLET TO DAYLIGHT tr.45'
CIA, BAR RING
SCALE: 1"=40' REBAR RING
WETLAND CONSTRUCTION SEQUENCEPOND OUTLET STRUCTURE NOTES: ENIDS ON Aon..EBAR RING
1. 36' RCP OUTLET BARREL SHALL 8E CLASS III RCP, MODIFIED BELL AND SPIGOT, MEETING THE REQUIREMENTS OF ASTM 1/2* GRADE 8 STAINLESS 9
1. REFER TO EROSION CONTROL CONSTRUCTION SEQUENCE AND FOLLOW ALL STEEL CONCRETE LAG
PLAN VIEW
ASPECTS OF EROSION CONTROL PLAN AS CONSTRUCTION IS COMPLETED. C76 -LATEST. THE PIPE .IOINTS SHALL BE CONFINED 0 -RING RUBBER GASKET JOINTS MEETING ASTM C -443 -LATEST AND SCREW TRASH RACK DETAIL a E4E11N1T1
JOINTS OF ASTM C -361 -LATEST. THE PIPE JOINTS SHALL BE TYPE R-4. ~
2. IF WETLAND IS TO BE UTILIZED AS A SEDIMENT BASIN DURING CONSTRUCTIONN.T.S. q
ACTIVITIES, CLEAR AND GRUB ONLY ENOUGH AREA TO CONSTRUCT SEDIMENT
BASIN. 2. THE MANHOLE OUTLET RISER SWILL BE 5' I.D., MEETING ASTM C -478R -LATEST & AASHTO M -199 -LATEST, WITH A 2.25' MIN PROJECTION 12 MIN. N
3. IMMEDIATELY INSTALL SILT FENCE INSIDE PERIMETER OF LIMIT OF MONOLITHIC BASE. THE MANHOLE JOINTS SHALL BE ASTM C-443 RUBBER GASKET JOINTS. MANHOLE JOINTS SHALL BEI I
CONSTRUCTION. SECURELY ANCHORED TOGETHER TO PREVENT SEPARATION. CONTRACTOR SHALL ANCHOR MANHOLE SECTIONS USING THE ,' .'
4. EXCAVATE KEY TRENCH PER WETLAND DETAIL. 3. 12' X 12" X 1 /2" GALVANIZED ; ; '
5. BACKFILL KEY TRENCH AND RAISE BERM PER BERM SOIL AND COMPACTION RISER JOINT SAIL' STEEL STRAP 4 PER MANHOLE '• = ' 1 '''= =1 o
SPECIFICATION ITEM #1 AND PERFORM SOILS COMPACTION TESTS PER ITEM /2. JOINT) .� ` - :••• ' � �• •'
6. EXCAVATE TRENCH FOR 36' 0 -RING RCP AND INSTALL PER PLAN AND PER 3. 36' 0 -RING RCP SHALL HAVE AN ENDWALL PER NCDOT 838.80 SPEC. _ ? ` •-' "_::`.
OUTLET STRUCTURE MATERIAL SPECIFICATIONS. 6' = ~
.. ;-j .`
7. WRAP ALL JOINTS WITH GEOTEXTILE FABRIC PER ITEM /2 OF OUTLET 4. OUTLET STRUCTURES SHALL BE PROVIDED WITH STEPS 1'-2" ON CENTER. STEPS SHALL BE IN ACCORDANCE WITH NCDOT-= ;"0
STRUCTURE MATERIAL SPECIFICATIONS. O-RING •:
8. INSTALL ANTI -SEEP COLLARS PER DETAILS. STD. 840.66. N ti•'• RCP -:'� 1 RARING D. 45.5" g
9. BACKFILL AROUND 36" 0 -RING RCP PER BERM SOIL AND COMPACTION NOTE: EACH MANHOLE JOINT TO HAVE AN 0 -RING °p ; �' +
GASKET (ASTM C-443) AND BE MADE WATERTIGHT WITH j ', ; : ,. - i •; ' r
5. CONCRETE MITI -FLOTATION BLOCK SHALL BE INTEGRALLY ATTACHED TO RISER BASE TO PREVENT RISER/BLOCK SEPARATION.
,..
SPECIFICATIONS ITEM 1'1. PERFORM TESTS PER ITEM ,#2 OF BERM SOIL AND ANON -SHRINK CEMENTITIOUS GROUT ON THE INSIDE _
COMPACTION SPECIFICATIONS. OR PRECAST AS THE EXTENDED BASE OF THE MANHOLE DURING FABRICATION. F THE CONCRETE MITI -FLOTATION BLOCK IS : ' S' ' ` • ' " r PLM
AND OUTSIDE. ' L:. , ..` : • •:. :'.
10. EXCAVATE AREA FOR ANTI -FLOTATION BLOCK. INSTALL ANTI -FLOTATION CAST SEPARATE FROM THE MANHOLE ASSEMBLY THE CONTRACTOR SHALL BE RESPONSIBLE FOR ANCHORING THE !t': ;��=t''r�ti�r!••: �:.� ••a
BLOCK. ANTI -FLOTATION BLOCK TO THE MANHOLE RISER ASSEMBLY. RISER JOINT DETAIL
11. ADD 5' DIAMETER RISER AND SECURE TO ANTI -FLOTATION BLOCK.
12. GROUT 36" BARREL AT CONNECTION TO RISER FOR WATERPROOFING. BERM SOIL AND COMPACTION SPECIFICATIONS: N.T.S. '
13. INSTALL STEPS TO RISER OR INSPECT RISER FOR PROPER INSTALLATION OFNOTES:1 OF 1
STEPS PER NCDOT STANDARD 840.66. 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT LEAST 9876 OUTLET STRUCTURE MATERIAL SPECIFICATIONS:
14. INSTALL 8" PLUG VALVE AND 8" DIAMETER DIP OR TEMPORARY EROSION STANDARD PROCTOR MAXIMUM DRY DENSITY, AT OPTIMUM MOISTURE CONTENT. NO BLASTED MATERIALS SHALL BE USED IN THE i. BCONCRETE T FOR COLLARS SHALL BE 3000 PSI (MIN.) 28 DAY .�
CONTROL PIPE. EMBANKMENT CONSTRUCTION. SOILS SHALL NOT EXHIBIT SOMCANT SHRINK/SWELL OR DISPERSIVE CHARACTERISTICS. 1. ALL POURED CONCRETE SWILL BE MINIMUM 3000 PSI (28 DAY) UNLESS 2. COLLARS SHALL BE CONNECTED TO 36" O-RING RCP WITH
15. IF WETLAND IS TO BE UTILIZED AS SEDIMENT BASIN, GRADE INTERIOR OF ON-SITE GEOTECHNICAL ENGNOEER SWILL APPROVE THE SONS FOR PLACEMENT WITHIN THE BERM SECTION. THE OTHERWISE NOTED. A LATER TIGHT Jowl,
WETLAND TO SEDIMENT BASIN GRADING SPECIFICATIONS. GEOTECHNICAL ENGINEER SHALL ALSO SPECIFY THE METHODS TO BE USED FOR PLACEMENT OF FILL. IF ADDITIONAL USES a SHALL � fl Ut�G BARREL As srRowN ON
16. INSTALL TEMPORARY EROSION CONTROL RISER AND SKIMMER.2.
17. MAINTAIN SEDIMENT LEVELS BELOW MAXIMUM LEVEL THROUGHOUT LIFE OF ARE PLANNED UPON THE BERM SECTION (BUILDINGS, ETC.). THE GEOTECHNICAL ENGINEER SHALL SPECIFY SOILS SUITABLE FOF
STYLE 4553L FABRIC
FOR
NE E N6 INCH OUTLET
TE BARREL
UNCHEDJOINTS
APPROVED EQUAL CONCRETE ANTI -SEEP COLLAR
SEDIMENT BASIN. THAT ADDITIONAL USE.
18. REMOVE TEMPORARY SEDIMENT BASIN OUTLET STRUCTURE AND INSTALL 8' (NON -WOVEN FABRIC) )(2 (NTS)
DIAMETER DIP. 8" PLUG VALVE IS TO REMAIN OPEN UNTIL CONSTRUCTION OF 2. IN ALL FILL AREAS OF THE BERM, A SOILS COMPACTION TEST SHALL BE CONDUCTED EACH 2500 SQUARE FEET PER
WETLAND IS COMPLETE.VERTICAL FOOT OF FILL
19. AFTER STABILIZATION OF SITE, AND APPROVAL OF EROSION CONTROL 3. POND DRAWDOWN IS VIA AN 8" PLUG VALVE. THE VALVE SHALL BE A M&H GRADING LEGEND TOP OF BERM EL 639.64
OFFICER, GRADE WETLAND TO WETLAND DESIGN GRADES. BELOW NORMAL POOL. STYLE 820 X -CENTRIC VALVE OR APPROVED EQUAL THIS VALVE IS IN
TOP OF RISER EL 637.17
INTERIOR OF WETLAND SHOULD BE GRADED TO A MINIMUM OF V BELOW DESIGN 3. A KEY TRENCH IS TO BE PROVIDED IN ALL FILL AREAS. TRENCH TO EXTEND A LANr1111UM OF FIVE FEET BELOW EXISTING ACCORDANCE WITH AWWA C-504 SEC. 5.5, AND SHALL BE OPERABLE FROM TOP H7
GRADES AND BACKFILLED WITH TOPSOIL TO DESIGN GRADES. GRADES AND SPOT GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENTS OF #1 ABOVE. OF OUTLET STRUCTURE VIA A HANDWHEEL (SEE DETAIL).
ELEVATIONS IN INTERIOR OF WETLAND WILL BE PRECISE PER PLAN, OR GRADING STORM DRAINAGE
WILL BE REJECTED AND REGRADED AT CONTRACTOR'S EXPENSE UNTIL SUCH TiME 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE BERM SECTION. 4. THE INVERTED SIPHON(S) SHALL BE 1 LF -3 INCH DIAMETER SCH. 40 PVC PIPE. .. .. STORM SERVICE UNE
AS INTERIOR GRADES ARE ACCEPTABLE. ASTM D 1785•
20. PLANT ALL WETLAND PLANTS PER WETLAND LANDSCAPING PLAN.
21. INSTALL TRASH RACK AND HANDWHEEL PER DETAIL. 5. FILL PLACEMENT SWILL NOT EXCEED A MAXIMUM 8" UFT. EACH LIFT SHALL BE CONTINUOUS FOR THE ENTIRE LENGTH OF -TP -TP -TP - TREE PROTECTION NORMAL POOL EL 632.9
22. UPON COMPLETION OF ALL ASPECTS OF WETLAND CONSTRUCTION, COMPLETE EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, ALL UNSUITABLE MATERIAL SHALL BE REMOVED AND THESTATEMENT OF RESPONSIBILITY: _
STABILIZATION OF SITE AND CLOSE 8" PLUG VALVE. SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. ALL REQUIRED MAINTENANCE AND INSPECTIONS OF
WOODED AREA UPPER INV. PVC SIPHON
THIS FACILITY SHALL BE THE RESPONSIBILITY OF 250 10' CONTOUR 3" DIA INVERTED '
PERMANENT SEEDING SCHEDULE TEMPORARY SEEDING SCHEDULE SEEDBED PREPARATION THE OWNER, PER THE EXECUTED OPERATION AND 252 PVC SIPHON (SCH. 40
MAINTENANCE AGREEMENT FOR THIS FACILITY. 2' CONTOUR ASTM 01785
S4MWL= ilill:lmAPPUCATION 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES ---2 EXISTING 10' CONTOUR
FDI -ANG SEMNG rvlxnRE APPLICATION -RATE IDEEP OVER ADVERSE SOIL CONDITIONS' IF AVAILABLE. STORMWATER WE TLA N D GRADING NOTES: -------Z2------- EXISTING 2' CONTOUR POND INV. EL. 630.75
AUG 2s - OCT. (BEST) TALL FESCUE 200 Les/AC JAN 1 - MAY t RHE (OR" 120 L25/AC 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH.
KOBE U3PEDM so LeS/Ac 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS THE STORMWATER WETLAND DEPICTED ON THIS PLAN SHEET IS EASEMENT UNE (IN VICINITY OF 0=TRASHG
E)
FEB. - APR 15 (POSSIM.E) MAY 1 - AUG l5 OEAMNI MUFF 40 LBS/AC LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. FLARED END SECTION
SOIL -AMENDMENTS 4.) APPLY AGRICULTURAL IME, FERTILIZER, AND GRADED PER NC DMSION OF WATER QUALITY STORMWATER BEST CA DRAIN
LBS AIJD 1s - ooc 3o RYE (GRAIN) 120 Les/Ac ( "� MANAGEMENT PRACTICES. APRIL 1999. (SEE DETAIL)
APPLYND AGRICULTURALEAFERTILIZER AC DINAND O SOLI TESTS, 10-10-10 APPLY 4ERnL¢ER UNIFORMLY AND MIX WITH SOIL SEE BELOW CATCH BASIN
tl SOLlIM7IIIEIQS 5.) CONTINUE TRIAGE UNTIL A WELL -PULVERIZED. FIRM 6 LF 8" DIP DRAIN PIPE
APPLY 4000 LB/AC STRAW. ANCHOR STRAW 8Y TACKING WITH ASPHALT, NE1T114Q FOLLOW 11MIA NDMIaNs of SOL 1131E OR WLY 2.000 LB/AC GROUND REASONABLY UNIFORM SEEDBED IS PREPARED 4 TO 6 INCHES DEEP. � DROP INLET DIA. PLUG VALV
OR A MULCH ANCHORING TOOL A DISK WITH BLADES SET NFARLY STRAIGHT CAN I � Wo -10 10 q )� FROM AUG SEE OUTLET STRUCTURE
BE USED AS A MULCH ANCHORING TOOL 6.) SEED ON A FRESiHLY PREPARED SEEDBED AND COKER
�� Q STORMCEPTOR MATERIAL SPECIFICATIONS
MAINT:�F APPLY 4000 Le/AC STNAw. ANCHOR seat W VOM VON ASPHALT. NETTING, 7.) MULCH YEDIAATELY AFTER SEEDING AND ANCHOR MULCH.
INSPECT AND REPAIR MULCH FREQUENRY. REFERTILIZE IN LATE WINTER OF THE OR A MULCH ANCNORMIG TOOL A DISK WIM ■AM Q IEMLY STRAIGHT CAN
FOLLOWING YEAR; USE SOL TESTS OR APPLY 150 LB/ACRE 10-10-10. Mow SE USED AS A MULCH ANCHORING TOOL, 8.) INSPECT ALL SEEDED AREAS AND MACE NECESSARY REPAIRS OR DRAINAGE FLOW ARROW
REGULARLY TO A NICHT OF 2-4 INCHES. RESEED*= WTTHN THE PLANTING SEASON, IF POSSIBLE. IF
N ARSF PLANTS MAINTENANCE STAND SHOULD BE OVER 60R DAMAGED, REESTABLISH FOLLOWING
BETWEEN MAY 1 AND AUG. 15, ADD 15 LB/ACRE SUDANGRASS OR 10 LS/ACRE JAN i - AUG 15: REFERIUM E GROWIN E NOT P LY ADEQUATE' ORIGINAL LME FERTNIZER AND SEEDING RATES. 100 -YR. BUFFER
GERMAN MILLET. BEFORE MAY 1. OR AFTER AUG. 15, ADO 40 LB/ACRE RYE (GRAIN). F ER06aM OR OA11Y SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTI'ACK AFTER SEEDING.
AUG 15 - DEC 30: WAR AM IEiERTIUN iAL1ACED ANIS MNEDPATELY.
NOTE: PERMANENT SEEDING SCHEDULE IS FOR EXTERIOR SLOPES OF THE TOP DRESS MITN 50 l2/AC of IMIIONN w MARCH. 9.) CONSULT CONSERWTKIN INSPECTOR ON MAINTENANCE TREATMENT ova=
100 -YR. FLOOD PLAIN
WETLAND, AND INTERIOR SLOPES OF THE WETLAND TO NORMAL POOL IF IT 6 NECESSARY W [Xn= tEMPWIAIRY COVER BEYOND AND FERTLaMION AFTER PERMANENT COVER IS ESTABLISHED.
JUNE 15. OVERSEER WITH 50 L2/AC NOSE LFSPEDEZA IN
LATE E1;eRAIIr UOR FAALY MASI:fL
ELEVATION. ' 30' STREAM BUFFER
NOTE: USE THE TEMPORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOr � Saa 64os0nol oppIC01)0n Bchedute llf,G/ff�','/fll�l�1I
� CORRECT TO USE THE PERMANENT SEEDING SCHEDULE.
NOTtu
ALL STM SHALL PR011MIK 4' FROM INSIiE FACE 13F STRUCTURE WALL. �>
So DIFFERING IN >IOTNS, CO UNIRATOR 00 WLTERiALS FROM THOSE SHOWN MAY ALSO SE USED PROVIDED THE CONTRACTOR HAS FURNISHED <<
THE SEER WITH )NTAiS OF THE PRISED STEPS AND HAS RECEIVED WRITTEN APPROVAL FROM THE ENGINEER FOR THE USE OF SUCH STEPS. ,ZZ ->r j
l,J00Z
coa=
y
T Z
^iljL 1'
W
WSL�C3<
Gy
NZF->
tji J I TT aQ
t PLAN SIDE
PLAN SIDE _ ELEVATION o a
ELEVATION
L
I 14 VE' I CAST IRON LO N
♦' CAST IRON ELEVATION
W
ELEVATIIIPI � �
A �
I vlc O
N6 BAR OR <
BW r �° GALVto V''A Z 0
w < N
I.
y W
L7
®�.�� T � z
vY
PLAIN! � PLAN ELEVATION Z Q
Ne'
W �
REINFORCING STEEL A
NOTFj
ELEVATIDI SECTION A -A O' m%S tiEOR MANHOLE
IN
ELEV TION 840.66
CDOT CLASS 'B' RIP RAP
NCDOT STD. 838.80 18'Lx21'Wx22"THK
HEADWFALL WITH AVG 0 = 6"
WINGWALLS
A NOTE:
A FILTER BLANKET IS TO BE
A INSTALLED BETWEEN THE RIPRAP
AND SOIL FOUNDATION. THE
FILTER BLANKET WILL CONSIST
OF A MINIMUM 4" THICK LAYER
21' OF STONE (NCDOT #57)
UNDERLAIN WITH MIRAFI FILTER
WEAVE 700 OR APPROVED
36" O-RING RC EQUIVALENT
9' WIDE -
NCDOT STD. 838.80
HEADWALL WITH
WINGWALLS
u P 4
36' 0 -RING
RCP
.:
�I
18'
PLAN
-.. --- _..•... NOTE )
SECTION A -A
OUTLET BARREL VELOCITY DISSIPATOR
N.T.S.
e. •
an mmw IDDM.! Wei t MIND m THE POLLM MR ~ i�
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eTm za MMION
HANDWHEEL 5' DIA
`SEE DETAIL RE
10�
s�INlll
CONTRA:Fr.
SWILL
ADD 1' (MIN.)
COVER PIPE /-NON-WOVEN GEOTEXTILE FABRIC
SHALL BE PLACED AROUND
JOINTS OF RCP BARREL IN 2' WIDE
STRIPS CENTERED ON JOINLI _
0 -RING RCP`® 4: (CL.1111 RCP)
BARREL INV. I \ 1
IN=630.50 1 1
5' FT. MIN.
(KEY TRENCH Jpo LL
COMPACTIONSSPECFCATIONS)5, �' MIN.
iNATERTIGHT SEAL TO BE PROVIDED
AT RISER/BARREL INTERFACE
PERMANENT BERM CROSS SECTION
!" LAYER OF
ASS 'B' RIP -RAP
FILTER BLANKET
NOV 1 4 2005
DENR - WATf:R GtUALi7Y
BRANDS AND STORWATER BRANCH
NCDOT STD. 838.80
HEADWALL WITH
WINGWALLS
INV.
MIP RAP VELOCITY
DISSIPATOR (SEE
DETAIL)
ANTI -SEEP COLLARS (X2) TO BE SPACED
EQUIDISTANT FROM CENTER OF BERM 20'
APART (10 FT ON EITHER SIDE OF THE
CENTER OF THE BERM, SEE DETAIL)
AS -BUILT DRAWING
- -
AS LOM N IMIDIOMAWAaF .
• CHARM ALL CO OM 1" OR IMM4 A RAD11E OF 1".
FT.
MINIMUM
MIN./WK.
SDI./WI.
MIN./HYOI.
s@
MIN./WUI.
NOTE: TRE MNmDD1 MN ERN E01LL K MI6 BARB
H1(FT.)
M(FT.)
J
M1
00
TO e" OMIN WE TS OPTION
/5 6 8"
1.2612.00
o
SIDE
3.00/3.75
L 1Ii1�an Awe R
1.D4
ie • 8"
u-
HANDWHEEL 5' DIA
`SEE DETAIL RE
10�
s�INlll
CONTRA:Fr.
SWILL
ADD 1' (MIN.)
COVER PIPE /-NON-WOVEN GEOTEXTILE FABRIC
SHALL BE PLACED AROUND
JOINTS OF RCP BARREL IN 2' WIDE
STRIPS CENTERED ON JOINLI _
0 -RING RCP`® 4: (CL.1111 RCP)
BARREL INV. I \ 1
IN=630.50 1 1
5' FT. MIN.
(KEY TRENCH Jpo LL
COMPACTIONSSPECFCATIONS)5, �' MIN.
iNATERTIGHT SEAL TO BE PROVIDED
AT RISER/BARREL INTERFACE
PERMANENT BERM CROSS SECTION
!" LAYER OF
ASS 'B' RIP -RAP
FILTER BLANKET
NOV 1 4 2005
DENR - WATf:R GtUALi7Y
BRANDS AND STORWATER BRANCH
NCDOT STD. 838.80
HEADWALL WITH
WINGWALLS
INV.
MIP RAP VELOCITY
DISSIPATOR (SEE
DETAIL)
ANTI -SEEP COLLARS (X2) TO BE SPACED
EQUIDISTANT FROM CENTER OF BERM 20'
APART (10 FT ON EITHER SIDE OF THE
CENTER OF THE BERM, SEE DETAIL)
AS -BUILT DRAWING
�d.L IIIi8I07�
FT.
MINIMUM
MIN./WK.
SDI./WI.
MIN./HYOI.
MIN. lox.
MIN./WUI.
PIPE OIA. DAA SIZE
H1(FT.)
M(FT.)
D (FT.)
M1
00
/.0
/5 6 8"
1.2612.00
2.00/3.75
1.2511.76
3.00/3.75
5.60/0.00
1.D4
ie • 8"
1.25/!.00
3.00/3.75
1.25/2.00
3.50/3.75
6.50/6.75
1.50
n 0 0"
1.95/9.0
3.00/4.25
1.50/2.50
3.50/3.75
6.50/6.75
2.0
1.5012.50
4.00/4.75
1.7513.50
4.0014.25
7.50/8.25
2.6
00 0 B"
2.50/3.00
4.00/5+00
2.0013.00
4.5015.50
10.00/11.50
3.0
/e 0 8"
8.0013.00
5.00/6.0^
,2.7518.00
I.25/5.75
11.50/11.75
3.5
/5 6 8"
3.2514.50
4.00/6.75
9.7013.00
4.00/5.76
12.00/13.25
4.0
05 • 8"
8.50/4.0
6.110/7.00
3.25/3.90
6.50/6.75
13.00/13.25
4.0
Ili 9 6"
4.00/5:00
4.40/6.50
9.2514.00
7.00/9.25
13.60/15.75
I.0N
6 8"
4.50/5.00
7.00/5.50
9.26/4.00
7.De/9.n
23.76/15.75
5.4
1 N 0 6"4.6015.00
7.10/8.50
3.25/4.00
7.25/9.26
14.00/15.75
4.0IM
0 3"
4.5019.00
7./0.50
00
9.00/4.00
7.75/9.26
14.76/16.75
HANDWHEEL 5' DIA
`SEE DETAIL RE
10�
s�INlll
CONTRA:Fr.
SWILL
ADD 1' (MIN.)
COVER PIPE /-NON-WOVEN GEOTEXTILE FABRIC
SHALL BE PLACED AROUND
JOINTS OF RCP BARREL IN 2' WIDE
STRIPS CENTERED ON JOINLI _
0 -RING RCP`® 4: (CL.1111 RCP)
BARREL INV. I \ 1
IN=630.50 1 1
5' FT. MIN.
(KEY TRENCH Jpo LL
COMPACTIONSSPECFCATIONS)5, �' MIN.
iNATERTIGHT SEAL TO BE PROVIDED
AT RISER/BARREL INTERFACE
PERMANENT BERM CROSS SECTION
!" LAYER OF
ASS 'B' RIP -RAP
FILTER BLANKET
NOV 1 4 2005
DENR - WATf:R GtUALi7Y
BRANDS AND STORWATER BRANCH
NCDOT STD. 838.80
HEADWALL WITH
WINGWALLS
INV.
MIP RAP VELOCITY
DISSIPATOR (SEE
DETAIL)
ANTI -SEEP COLLARS (X2) TO BE SPACED
EQUIDISTANT FROM CENTER OF BERM 20'
APART (10 FT ON EITHER SIDE OF THE
CENTER OF THE BERM, SEE DETAIL)
AS -BUILT DRAWING