20130492 Ver 1_Stormwater Approval_20140124

rf
CLH design, p.a.
400 Regency Forest Drive, Suite 120
Cary, North Carolina 27918
Phone: [phone] Fax. [phone]
Email- clhdes*n@clhdes*npa.com
13 -w �q a-
LETTER OF TRANSMITTAL 23- ,Jan -14
To: Karen Higgins
Company: NCDENR DWI Webscape Unit
Address: 1650 Mail Service Center
City, State Zip: Raleigh, NC 27699 -1650
Phone: [phone]
Fax:
Method:
Subject:
® Prints
❑ Reports
UPS Ground
(DWO# 13 -04&- Abbotts Creek Park and Elementary School
Approved Stormwater Management Plan CLH Project Number: 09 -116
❑ Originals ❑ Specifications ❑ Applications
® Copy of Letter ❑ Submittals ❑ Other:
We are sending you the following items:
No. of Copies Date Description
• 1 23- Jan -14 Copy of the DWO# 13 -0492 401 Approval Letter
Additional Remarks:
[Karen, )
Please see the attached approved Stormwater Management Plans for Abbotts Creek Park and Elementary
School (DWO #13 -0492). 1 trust this is the information requested to satisfy the Conditional Approval note
#2 on the 401 approval letter. '
Please advise if you have any questions or need any additional Information.
Thanks.
Zak
Signed
ierce, ASLA
cc: File

EWA
CCDO R
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Pat McCrory Charles Wakild, P.E. John E. Skvada, III
Governor Director Secretary
May 30, 2013
DWQ # 13 -0492
Wake County
Wake County Facilities Design & Construction
Attn: Phillip Stout
P.O. Box 555
Raleigh, NC 27602
Subject: APPROVAL OF 401 WATER QUALITY CERTIFICATION WITH ADDITIONAL
CONDITIONS
AUTHORIZATION CERTIFICATE PER THE NEUSE RIVER BASIN RIPARIAN BUFFER
PROTECTION RULES (15A NCAC OZB .0233) WITH ADDITIONAL CONDITIONS
Abbot's Creek Park & Elementary School
Dear Mr. Stout:
You have our approval for the impacts listed below for the purpose described in your
application dated May 7, 2013 and received by the Division of Water Quality (Division) on May
7, 2013. These impacts are covered by the attached Water Quality General Certification
Number 3890 and the conditions listed below. This certification is associated with the use of
Nationwide Permit Number 39 once it is issued to you by the U.S. Army Corps of Engineers.
Please note that you should get any other federal, state or local permits before proceeding with
your project, including those required by (but not limited to) Sediment and Erosion Control,
Non - Discharge, and Water Supply Watershed regulations.
This approval requires you to follow the conditions listed in the enclosed certification and the
following additional conditions:
1. The following impacts are hereby approved provided that all of the other specific and
general conditions of the Certification, General Permit and /or Buffer Rules are met. ' No
other impacts are approved, including incidental impacts.
Wetlands, %ftm. Stommater, Comply ^:e aru Permit -] U,-:t (WeBSCaPe)
1650 t lail Serv;oe Cer4 Raleigh. North Carolina 2769:1 ",65C 2�IJ
Phone: [phone]aOl 1 FAX: [phone]
Internet http: portel.nodenr.or,7� ;4&s
An Equal Opportunity t Affirmative Action Err•p'oyer

Abbot's Creek Park & Elementary School
DWO# 13 -0492
401 AND BUFFER APPROVAL
Page 2 of 6
Type of Impact
Amount Approved
(units)
Permanent
Amount Approved
(units)
Temporary
Stream
127 (linear feet)
15 (linear feet)
Site 1
Stream
0 (linear feet)
26 (linear feet)
Site 4
Buffers —Zone 1
7,831 (square feet)
0 (square feet)
Site 1
Buffers —Zone 2
4,930 (square feet)
0 (square feet)
Site 1
Buffers —Zone 1
767 (square feet)
0 (square feet
Site 2
Buffers —Zone 2
498 (square feet)
0 (square feet)
Site 2
Buffers —Zone 1
735 (square feet)
0 (square feet)
Site 3
Buffers —Zone 2
438 (square feet)
0 (square feet)
Site 3
Buffers —Zone 1
8,853 (square feet)
0 (square feet)
Site 4- existing
maintained easement'
Buffers — Zone 2
6,629 (square feet)
0 (square feet)
Site 4- existing
maintained easement
Buffers —Zone 1
2,316 (square feet)
0 (square feet)
Site 4 -new impact
Buffers —Zone 2
2,392 (square feet)
0 (square feet)
Site 4 -new impact
Buffers —Zone 1
2,730 (square feet)
0 (square feet)
Site 5- existing
maintained easement
Buffers —Zone 2
1,943 (square feet)
0 (square feet)
Site 5- existing
maintained easement
Buffers — Zone 1
74 (square feet)
0 (square feet)
Site 5 -new impact
Buffers —Zone 2
1,342 (square feet)
0 (square feet)
Site S -new impact
Buffers —Zone 1
71 (square feet)
0 (square feet)
Site 6- existing

Abbot's Creek Park & Elementary school
DWQ# 13 -0492
401 AND BUFFER APPROVAL
Page 3 of 6
maintained easement
Buffers –Zone 2
1,863 (square feet)
0 (square feet)
Site 6- existing
maintained easement
Buffers –Zone 1
0 (square feet)
0 (square feet)
Site 6 -new impact
Buffers – Zone 2
113 (square feet)
0 (square feet)
Site 6 -new impact
Buffers – Zone 1
138 square feet)
0 (square feet)
Site 7- existing
maintained easement
Buffers –Zone 2
654 (square feet)
0 (square feet)
Site 7- existing
maintained easement
Buffers –Zone 1
0 (square feet)
0 (square feet)
Site 7 -new impact
Buffers –Zone 2
83 (square feet)
0 (square feet)
F--it–e-7-new impact
2. Stormwater Management Plan (SMP) Approval From Local Community Required
You are required to provide one copy of the approved SMP, including plan details on full -
sized plan sheets, with proof of City of Raleigh's approval. The approved SMP must be
submitted to the DWQ Webscape Unit (1650 Mail Service Center, Raleigh, NC 27699 -1650)
before any impacts authorized in this certification occur. The following requirements also
apply:
• The approved SMP must be constructed and operational before any permanent building
or other structure is occupied at the site.
• The approved SMP as well as drainage patterns must be maintained in perpetuity.
• The SMP may not be modified without prior written authorization from the City of
Raleigh. A copy of the approval letter and the modified SMP must be submitted to the
DWQ Webscape Unit prior to the commencement of the modifications.
3. Diffuse Flow
All constructed stormwater conveyance outlets shall be directed and maintained as diffuse
flow at non - erosive velocities through the protected stream buffers such that it will not re-
concentrate before discharging into a stream as identified within 15A NCAC 28.0233 (5). If
this is not possible, it may be necessary to provide stormwater facilities that are considered
to remove nitrogen and phosphorus. This may require additional approval from this Office.
4. Mitigation
We understand that you have agreed to provide riparian buffer mitigation by payment into
one of EBX's Mitigation Banks approved to serve the Neuse HUC 03020201. These mitigation

Abbot's Creek Park & Elementary School
DWQ# 13 -0492
401 AND BUFFER APPROVAL
Page 4 of 6
banks may include: the Forrest Creek Riparian Buffer Mitigation Bank, the Rudolph Site
Riparian Buffer Mitigation Bank, or the Upper Neuse Buffer - Nutrient Reduction Mitigation
Bank /Cedar Grove Site. A total of 7,170 square feet of riparian buffer mitigation is required
for impacting 2,390 square feet of riparian buffer as a result of this project. Until EBX -EM, LLC
receives and clears your check, impacts specified in this Authorization Certificate shall not
occur. You have 60 days from the date of this approval to make this payment. For
accounting purposes, this Authorization Certificate authorizes payment into one of EBX's
Mitigation Banks approved to serve the Neuse HUC 03020201 to meet the following
compensatory mitigation requirement:
Type of Impact
Compensatory Mitigation
Required
River and Sub -basin
Number
Buffer
7,170 (square feet)
Neuse /03020201
5. No Waste, Spoil, Solids, or Fill of Any Kind
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 Pre - Construction Notification. 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.
6. Protective Fencing
The outside buffer, wetland or water boundary and along the construction corridor within
these boundaries approved under this authorization shall be clearly marked with orange
warning fencing (or similar high visibility material) for the areas that have been approved to
infringe within the buffer, wetland or water prior to any land disturbing activities to ensure
compliance with 15 NCAC 02H .0500.
7. This approval is for the purpose and design described in your application. The plans and
specifications for this project are incorporated by reference as part of the Certification and
Buffer Authorization. If you change your project, you must notify the Division and you may
be required to submit a new application package with the appropriate fee. If the property is
sold, the'new owner must be given a copy of this approval letter and General Certification
and is responsible for complying with all conditions.
8. This approval and its conditions are final and binding unless contested.
This Certification and Buffer Authorization can be contested as provided in Articles 3 and 4 of
General Statute 150B by filing a written petition for an administrative hearing to the Office of
Administrative Hearings (hereby known as OAH). A petition form may be obtained from the
OAH at http: //www.ncoah.com/ or by calling the OAH Clerk's Office at (919) 431 -3000 for
information.

Abbot's Creek Park & Elementary School
DWQ# 13 -0492
401 AND BUFFER APPROVAL
Page 5 of 6
Within thirty (30) calendar days of receipt of this notice, a petition must be filed with the OAH.
A petition is considered filed when the original and one (1) copy along with any applicable OAH
filing fee is received in the OAH during normal office hours (Monday through Friday between
8:00am and 5:00pm, excluding official state holidays).
The petition may be faxed to the OAH at (919) 431 -3100, provided the original and one copy of
the petition along with any applicable OAH filing fee is received by the OAH within five (5)
business days following the faxed transmission.
Mailing address for the OAH:
If sending by First Gass Mail
via the US Postal Service:
Office of Administrative Hearings
6714 Mail Service Center
Raleigh, NC 27699 -6714
If sending via delivery service
(e.g. UPS, FedEx):
Office of Administrative Hearings
1711 New Hope Church Road
Raleigh, NC 27609 -6285
One (1) copy of the petition must also be served to DENR:
Lacy Presnell, General Counsel
Department of Environment and Natural Resources
1601 Mail Service Center
Raleigh, NC 27699 -1601
Please send one (1) copy of the petition to DWQ:
If sending by First Gass Mail
via the US Postal Service:
Karen Higgins
NC DEN R - DWQ — Webscape Unit
1650 Mail Service Center
Raleigh, NC 27699 -1650
if sending vio delivery service
(e.g. UPS, FedEx):
Karen Higgins
NC DENR - DWQ — Webscape Unit
512 N. Salisbury Street
Raleigh, NC 27604
This letter completes the review of the Division under section 401 of the Clean Water Act and
the Neuse Riparian Buffer Rules as described in 15A NCAC 02B.0233. Please contact Cherri
Smith at 919 - 791 -4251 or [e-mail] if you have any questions or concerns.
incer ly,
fanny Smj , Supervi!
Surface Water Protection — Raleigh
Regional Office

Abbot's Creek Park & Elementary school
DWQ# 13 -0492
401 AND BUFFER APPROVAL
Page 6 of 6
Enclosures: GC 3890
cc: U.S. Army Corps of Engineers; Raleigh Regulatory Field Office; 3331 Heritage Trade
Drive, St. 165; Wake Forest, NC 27597
Deborah E. Shirley; Soil & Environmental Consultants, PA; 11010 Raven Ridge Road;
Raleigh, NC 27614
DWQ RRO 401 files

Water Quality Certification Ho. 3890
Water Quality Certification Number 3890 is issued in conformity with the requirements of Section
401, Public Laws 92 -500 and 95-217 of the United States and subject to the North Carolina
Division of Water Quality (DWQ) Regulations in 15A NCAC 02H .0500 and 15A NCAC 02B. 0200
for the discharge of fill material to waters and adjacent wetland areas or to wetland areas that are
not a part of the surface tributary system to interstate waters or navigable waters of the United
States as described in 33 CFR 330 Appendix (B) (1S, 29, 39, 41, 42, 44, and 46) of the Corps
of Engineers regulations and for the Riparian Area Protection Rules (Buffer Rules) in 15A NCAC
02B.0200.
The State of North Carolina certifies that the specified category of activity will not violate
applicable portions of Sections 301, 302, 303, 306 and 307 of the Public Laws 92 -500 and 95-217
If conducted in accordance with the conditions hereinafter set forth.
Activities meeting any one (1) of the following thresholds or circumstances require written
approval for a 401 Water Quality Certification from the Division of Water Quality (the
"Division "):
a. Any impacts to streams Involving excavation or dredging; or
b. Total stream impacts within the project boundaries equal to or greater than 150 linear feet
of stream, including temporary and /or permanent impacts; or
c. Any stream relocation; or
d. Any Impact associated with a high density project (as defined in Item (A)(iv) of the 401
Stormwater Requirements) that is not subject to either a state stormwater program (such
as, but not limited to, Coastal Counties, HQW, ORW or state - implemented Phase 11
NPDES) or a certified community's stormwater program; or
e. Temporary or permanent impacts equal to or greater than one -tenth (1/10) acre of wetlands
or open waters; or
f. Any impacts to wetlands adjacent to waters designated as: ORW, SA, WS4, WS -II, or
Trout or wetlands contiguous to waters designated as a North Carolina or National Wild
and Scenic River; or
g. Any impacts to coastal wetlands [15A NCAC 07H .0205)], or Unique Wetlands (UWL) [15A
NCAC 02H.0506]; or
h. Any impact associated with a Notice of Violation or an enforcement action for violations) of
DWQ Wetland Rules (15A NCAC 02H .0500), isolated Wetland Rules (15A NCAC 02H
.1300), DWQ Surface Water or Wetland Standards, or Riparian Buffer Rules (15A NCAC
02B.0200); or
I. Any impacts to streams and/or buffers in the Neuse, Tar - Pamlico, or Catawba River Basins
or in the Randleman, Jordan or Goose Creek Watersheds (or any other basin or watershed
with Riparian Area Protection Rules [Buffer Rules] in effect at the time of application)
unless the activities are listed as °EXEMPT° from these rules or a Buffer Authorization
Certificate is issued through N.C. Division of Coastal Management (DCM) delegation for
"ALLOWABLE° activities.
In accordance with North Carolina General Statute 143- 215.3D(e), written approval for a 401
Water Quality General Certification must include the appropriate fee. if a project also requires a
CAMA Permit, then one payment to both agencies shall be submitted and will be the higher of the
two fees.
Water Quality Certification No. 3890

Water Quality Certification No. 3890
Activities Included in this General Certification that do not most one of the thresholds
listed above do not require written approval from the Division as long as they comply with
the Conditions of Certification listed below. If any of these Conditions cannot be met, then
written approval from the Division is required.
Conditions of Certification:
1. No Impacts Beyond those Authorized in the Written Approval or Beyond the Threshold of Use
of this Certification
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 Pre - Construction Notification, as
authorized in the written approval from the Division or beyond the thresholds established for
use of this Certification without written authorization, including incidental impacts. 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. Approved plans and
specifications for this project are incorporated by reference and are enforceable parts of this
permit.
2. Standard Erosion and Sediment Control Practices
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 and if applicable, comply with the specific conditions and
requirements of the NPDES Construction Stormwater Permit issued to the site:
a. Design, installation, operation, and maintenance of the sediment and erosion control
measures must be such that they equal or exceed the requirements specked 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 pb associated with the project.
b. For 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.
c. Reclamation measures and implementation must comply with the reclamation in
accordance with the requirements of the Sedimentation Pollution Control Act and the
Mining Act of 1971.
d. Sufficient materials required for stabilization and/or repair of erosion control measures
and stormwater routing and treatment shall be on site at all times.
e. If the project occurs in waters or watersheds classified as Primary Nursery Areas (PNAs),
SA, WS-1, WS -11, High Quality (HQW), or Outstanding Resource (ORW) waters, then the
sedimentation and erosion control designs must comply with the requirements set forth
in 15A NCAC 049.0124, Design Standards in Sensitive Watersheds.
Water Quality Certification No. 3890

Water Quality Certification No. 3890
3. No Sediment and Erosion Control Measures in Wetlands or Waters
Sediment and erosion control measures shall not be placed In wetlands or waters.
Exceptions to this condition require application submittal to and written approval by the
Division. If placement of sediment and erosion control devices in wetlands and waters is
unavoidable, then design and placement of temporary erosion control measures shall not be
conducted in a manner that may result in dis- equillbrium of wetlands, stream beds, or banks,
adjacent to or upstream and downstream of the above structures. All sediment and erosion
control devices shall be removed and the natural grade restored within two (2) months of the
date that the Division of Land Resources (DLR) or locally delegated program has released
the specific area within the project.
4. Construction Stormwater Permit NCG010000
An NPDES Construction Stormwater Permit is required for construction projects that disturb
one (1) or more acres of land. This Permit allows stormwater to be discharged during land
disturbing construction activities as stipulated in the conditions of the permit. If your project
is covered by this permit, full compliance with permit conditions including the erosion &
sedimentation control plan, Inspections and maintenance, self- monitoring, record keeping
and reporting requirements Is required. A copy of the general permit (NCG010000),
Inspection log sheets, and other information may be found at
hfp: //portal ncdenr om/webl wmAvWsutnpdesswtftab -w .
The North Carolina Department of Transportation (NCDOT) shall be required to be in full
compliance with the conditions related to construction activities within the most recent version
of their individual NPDES (NCS000250) stormwater permit
5. Construction Moratoriums and Coordination
If activities must occur during periods of high biological activity (i.e` sea turtle nesting, fish
spawning, or bird nesting), then biological monitoring may be required at the request of other
state or federal agencies and coordinated with these activities.
All moratoriums on construction activities established by the NC Wildlife Resources
Commission (WRC), US Fish and Wildlife Service (USFWS), NC Division of Marine Fisheries
(DMF), or National Marine Fisheries Service (NMFS) to lessen impacts on trout, anadromous
fish, Iarvaltpost -larval fishes and crustaceans, or other aquatic species of concern shall be
Implemented. Exceptions to this condition require written approval by the resource agency
responsible for the given moratorium.
Work within the twenty -five (25) designated trout counties or identified state or federal
endangered or threatened species habitat shall be coordinated with the appropriate WRC,
USFWS, NMFS, and/or DMF personnel.
6. Work in the Dry
All work in or adjacent to stream waters shall be conducted so that the flowing stream does
not come in contact with the disturbed area. Approved best management practices from the
most current version of the NC Sediment and Erosion Control Manual, or the NC DOT
Construction and Maintenance Activities Manual, such as sandbags, rock berms, cofferdams,
and other diversion structures shall be used to minimize excavation in flowing water.
Exceptions to this condition require application submittal to and writDen approval by the
Division.
Water Quality Certification No. 3890

Water Quality Certification No. 3890
7. Riparian Area Protection (Buffer) Rules
Activities located In the protected riparian areas (whether jurisdictional wetlands or not),
within the Neuse, Tar - Pamlico, or Catawba River Basins or in the Randleman, Jordan, or
Goose Creek Watersheds (or any other basin or watershed with buffer rules) shall be limited
to °uses° identified wfthln and constructed in accordance with 15A NCAC 02B .0233, .0259,
.0243, .0250, .0267 and .0605, and shall be located, designed, constructed, and maintained
to have minimal disturbance to protect water quality to the maximum extent practicable
through the use of best management practices. AU buffer rule requirements, including diffuse
flow requirements, must be met.
8. If concrete Is used during the construction, then all necessary measures shall be taken to
prevent direct contact between uncured or curing concrete and waters of the state. Water
that inadvertently contacts uncured concrete shall not be discharged to waters of the state
due to the potential for elevated pH and possible aquatic lifel fish kills.
9. Bridge deck drains shall not discharge directly Into the stream. Stormwater shall be directed
across the bridge and pre - treated through site - appropriate means (grassed swales, pre-
formed scour holes, vegetated buffers, etc.) before entering the stream. Please refer to the
most current version of Stormwater Best Management Practices. Exceptions to this condition
require written approval by the Division.
10. Compensatory Mitigation
In accordance with 15A NCAC 02H .0506 (h), compensatory mitigation may be required for
losses of equal to or greater than 150 linear feet of streams (intermittent and perennial)
and/or equal to or greater than one (1) acre of wetlands. For linear public transportation
projects, impacts equal to or exceeding 150 linear feet per stream shall require mitigation.
Buffer mitigation may be required for any project with Buffer Rules in effect at the time of
application for activities classified as "Allowable with Mitigation" or "Prohibited" within the
Table of Uses.
A determination of buffer, wetland, and stream mitigation requirements shall be made for any
General Water Quality Certification for this Nationwide and /or Regional General Permit
Design and monitoring protocols shall follow the US Army Corps of Engineers Wilmington
District Stream Mitigation Guidelines (April 2003) or its subsequent updates. Compensatory
mitigation plans shall be submitted to the Division for written approval as required in those
protocols. The mitigation plan must be implemented and/or constructed before any impacts
occur on site. Alternatively, the Division will accept payment into an in -lieu fee program or a
mitigation bank. In these cases, proof of payment shall be provided to the Division before
any impacts occur on site.
Water Quality Certification No. 3890

Water Quality Certification No. 3890
11. Relocated stream designs should include the same dimensions, patterns, and profiles as the
existing channel (or a stable reference reach if the existing channel is unstable), to the
maximum extent practical. The new channel should be constructed in the dry and water shall
not be turned into the new channel until the banks are stabilized. Vegetation used for bank
stabilization shall be limited to native woody species, and should include establishment of a
30 -foot wide wooded and an adjacent 20 -foot wide vegetated buffer on both sides of the
relocated channel to the maximum extent practical. A transitional phase incorporating
appropriate erosion control matting materials and seedling establishment is allowable,
however matting that incorporates plastic mesh and/or plastic twine shall not be used in
wetlands, riparian buffers or floodplains as recommended by the North Carolina Sediment
and Erosion Control Manual. Rip -rap, A- Jacks, concrete, gabions or other hard structures
may be allowed if it is necessary to maintain the physical integrity of the stream; however, the
applicant must provide written justification and any calculations used to determine the extent
of rip -rap coverage. Please note that if the stream relocation is conducted as a stream
restoration as defined in the US Army Corps of Engineers Wilmington District, April 2003
Stream Mitigation Guidelines (or its subsequent updates), the restored length may be used
as compensatory mitigation for the impacts resulting from the relocation.
12. Stormwater Management Plan Requirements
All applications shall address stormwater management throughout the entire project area per
the 401 Stormwater Requirements, referenced herein as 'Attachment A' at the end of this
Certification
13. Placement of Culverts and Other Structures in Waters and Wetlands
Culverts required for this project shall be designed and installed in such a manner that the
original stream profiles are not altered and allow for aquatic life movement during low flows.
Existing stream dimensions (including the cross section dimensions, pattern, and longitudinal
profile) must be maintained above and below locations of each culvert.
Placement of culverts and other structures in waters and streams must be below the
elevation of the streambed by one foot for all culverts with a diameter greater than 48 inches,
and 20 percent of the culvert diameter for culverts having a diameter less than or equal to 48
inches, to allow low flow passage of water and aquatic life.
When topographic constraints indicate culvert slopes of greater than 5%, culvert burial is not
required, provided that all alternative options for flattening the slope have been investigated
and aquatic life movement/ connectivity has been provided when possible (rock ladders,
crossvanes, etc). Notification to the Division including.supporting documentation to include a
location map of the culvert, culvert profile drawings, and slope calculations shall be provided
to the Division 60 days prior to the installation of the culvert.
When bedrock is present in culvert locations, culvert burial is not required provided that there
is sufficient documentation of the presence of bedrock. Notification to the Division including
supporting documentation such as, but not limited to, a location map of the culvert,
geotechnical reports, photographs, etc shall be provided to the Division a minimum of 60
days prior to the installation of the culvert. If bedrock is discovered during construction, then
the Division shall be notified by phone or email within 24 hours of discovery.
If other site - specific topographic constraints preclude the ability to bury the culverts as
described above and /or it can be demonstrated that burying the culvert would result in
destabilization of the channel, then 'exceptions to this condition require application submittal
to, and written approval by, the Division of Water Quality, regardless of the total impacts to
streams or wetlands from the project.
Water Quality Certification No. 3890

Water Quality Certification No. 3890
Installation of culverts in wetlands must ensure continuity of water movement and be
designed to adequately accommodate high water or flood conditions. Additionally, when
roadways, causeways, or other fill projects are constructed across FEMA- designated
floodways or wetlands, openings such as culverts or bridges must be provided to maintain
the natural hydrology of the system as well as prevent constriction of the floodway that may
result In destabilization of streams or wetlands.
The establishment of native, woody vegetation and other soft stream bank stabilization
techniques must be used where practicable instead of dprap or other bank hardening
methods.
14. All temporary fill and culverts shall be removed and the impacted area returned to natural
conditions within 60 days of the determination that the temporary impact is no longer
necessary. The impacted areas shall be restored to original grade, including each stream's
original cross sectional dimensions, plan form pattern, and longitudinal bed and bed profile,
and the various sites shall be stabilized with natural woody vegetation (except for the
approved maintenance areas) and restored to prevent erosion.
15. All temporary pipes/ culverts/ riprap pads etc, shall be installed in all streams as outlined in
the most recent edition of the North Carolina Sediment and Erosion Control Planning and
Design Manual or the North Carolina Surface Mining Manual so as not to restrict stream flow
or cause dis- equilibrium during use of this General Certification.
16. Any dprap required for proper culvert placement, stream stabilization, or restoration of
temporarily disturbed areas shall be restricted to the area directly impacted by the approved
construction activity. All rip -rap shall buried and/or "keyed in° such that the original stream
elevation and streambank contours are restored and maintained. Placement of rip -rap or
other approved materials shall not result in de- stabilization of the stream bed or banks
upstream or downstream of the area.
17. Any rip-rap used for stream stabilization shall be of a size and density so as not to be able to
be carried off by wave, current action, or stream flows and consist of clean rock or masonry
material free of debris or toxic pollutants. Rip -rap shall not be installed in the streambed
except in specific areas required for velocity control and to ensure structural Integrity of bank
stabilization measures.
18. A one -time application of fertilizer to re- establish vegetation is allowed in disturbed areas
including riparian buffers, but is restricted to no closer than 10 feet from top of bank of
streams. Any fertilizer application must comply with all other Federal, State and Local
regulations.
19. If this Water Quality Certification is used to access building sites, then all lots owned by the
applicant must be buildable without additional impacts to streams or wetlands. The applicant
is required to provide evidence that the lots are buildable without requiring additional impacts
to wetlands, waters, or buffers if required to do so In writing by the Division. For road
construction purposes, this Certification shall only be utilized from natural high ground to
natural high ground.
20. Deed notifications or similar mechanisms shall be placed on all retained jurisdictional
wetlands, waters, and protective buffers within the project boundaries in order to assure
compliance for future wetland, water, and buffer impact. These mechanisms shall be put in
place at the time of recording of the property or of individual lots whichever is appropriate.
sample deed notification can be downloaded from the 401NVetiands Unit web site at
http /Iporta! ncdenr orgMr ebMra/ swphas /4011certsandpermits/aoDly /forms. The text of the
sample deed notification may be modified as appropriate to suit to a specific project.
Documentation of deed notifications shall be provided to the Division upon request.
Water Quality Certification No. 3890

Water Quality Certification No. 3890
21. If an environmental document is required under the National or State Environmental Policy
Act (NEPA or SEPA), then this General Certification is not valid until a Finding of No
Significant Impact (FONSI) or Record of Decision (ROD) is issued by the State
Clearinghouse.
22. In the twenty (20) coastal counties, the appropriate DWQ Regional Office must be contacted
to determine if Coastal Stormwater Regulations will be required.
23. This General Certification does not relieve the applicant of the responsibility to obtain all other
required Federal, State, or Local approvals.
24. The applicant/permittee and their authorized agents shall conduct all activities in a manner
consistent with State water quality standards (including any requirements resulting from
compliance with §303(d) of the Clean Water Act), and any other appropriate requirements of
State and Federal Law. If the Division determines that such standards or laws are not being
met, including failure to sustain a designated or achieved use, or that State or Federal law is
being violated, or that further conditions are necessary to assure compliance, then the
Division may reevaluate and modify this General Water Quality Certification.
25. When written authorization is required for use of this certification, upon completion of all
permuted impacts included within the approval and any subsequent modifications, the
applicant shall be required to return the certificate of completion attached to the approval.
One copy of the certificate shall be sent to the DWQ Central Office in Raleigh at 1650 Mail
Service Center, Raleigh, NC, 27699 -1650.
26. Additional site - specific conditions, including monitoring and /or modeling requirements, may
be added to the written approval letter for projects proposed under this Water Quality
Certification in order to ensure compliance with all applicable water quality and effluent
standards.
27. This certification grants permission to the director, an authorized representative of the
Director, or DENR staff, upon the presentation of proper credentials, to enter the property
during normal business hours.
This General Certification shall expire on the same day as the expiration date of the
corresponding Nationwide and/or Regional General Permit. The conditions in effect on the date
of issuance of Certification for a specific project shall remain In effect for the life of the project,
regardless of the expiration date of this Certification.
Non - compliance with or violation of the conditions herein set forth by a specific project may result
in revocation of this General Certification for the project and may also result in criminal and /or civil
penalties.
The Director of the North Carolina Division of Water Quality may require submission of a formal
application for Individual Certification for any project in this category of activity if it Is determined
that the project is likely to have a significant adverse effect upon water quality, including state or
federally listed endangered or threatened aquatic species, or degrade the waters so that existing
uses of the wetland or downstream waters are precluded.
Water Quality Certification No. 3890

Water Quality Certification No. 3890
Public hearings may be held for specific applications or group of applications prior to a
Certification decision if deemed in the public's best interest by the Director of the North Carolina
Division of Water Quality.
Effective date: March 19, 2012
DIVISION OF WATER QUALITY
By
17-1 txv xz=,-- - 4--
Charles Wakild, P. E.
Director
History Note: Water Quality Certification (WQC) Number 3890 issued March 19, 2012 replaces
WQC Number 3821 Issued April 6, 2010, WQC Number 3631 Issued March 19, 2007; WQC 3402
issued March, 2003, WQC Number 3362, issued March 18, 2002; WQC 3287, issued June 1,
2000; WQCs 3106 and 3108 issued February 11, 1997. This Water Quality Certification is
rescinded when the Corps of Engineers reauthorizes any of the corresponding Nationwide or
Regional General Permits and/or when deemed appropriate by the Director of the Division of
Water Quality.
Water Quality Certification No. 3890 8

Water Quality Certification No. 3890
Attachment A: 401 Stormwater Requirements
The requirements listed below shall be implemented in order to comply with Condition 12 of this
General Certification. For the North Carolina Department of Transportation, compliance with
NCDOT's Individual NPDES permit NCS000250 shall serve to satisfy the 401 and Isolated
Wetland Stormwater Requirements.'
A. Design and Implementation Requirements. All projects, regardless of project area,
amount of built-upon area or amount of Jurisdictional impact, shall meet the following
stormwater design requirements:
Non - Erosive Discharge to Streams and Wetland. Stormwater conveyances that
discharge to streams and wetlands must discharge at a non - erosive velocity prior to
entering the stream or wetland during the peak flow from the ten -year storm.
Vegetated Setbacks. A 30 -foot wide vegetated setback must be maintained adjacent to
streams, rivers and tidal waters in areas that are not subject to a state Riparian Area
Protection Rule or other more stringent vegetated setback requirements. The width of
the setback shall be measured horizontally from the normal pool elevation of impounded
structures, the top -of -bank of streams and rivers, and the mean high waterline of tidal
waters, perpendicular to shoreline. Vegetated setback and filters required by state rules
or local governments may be met concurrently with this requirement and may contain
coastal, Isolated or 404 jurisdictional wetlands. Nonjurisdictional portions of the
vegetated setback may be cleared and graded, but must be planted with and maintained
In grass or other vegetative or plant material a
iii. Construction and Operation. The stormwater- management plan must be constructed
and operational before any permanent building or other structure is occupied or utilized at
the site. The stormwater management plan, including drainage patterns, must be
maintained in perpetuity.`
iv. Coordination with Other Stormwater Programs. Projects that are subject to another
Division of Water Quality (DWQ) stormwater program, including (but not limited to) the 20
Coastal Counties, HOW, ORW or state - implemented Phase II NPDES, or a Certified
Community's stormwater management program, must be constructed and maintained in
compliance with the approved stormwater management plan .5
v. Stormwater Design Requirements for Projects Not Covered Under Item (Iv).
Projects that are not subject to another DWQ stormwater program or a Certified
Community's stormwater program shall meet all of the following requirements:
a. Low Density. A site is low density if all the following requirements are met:
1. The development has a built upon area of twenty-four percent (24 %) or less,
considering both current and future development When determining the amount
of built upon area, coastal wetlands shall be included; however, ponds, lakes and
rivers as specified in North Carolina's Schedule of Classifications shall be
excluded. If a portion of project has a density greater than 24 %, the higher
density area must be located in an upland area and away from surface waters
and drainageways to the maximum extent practicable.6
2. All stormwater runoff from the built upon areas is transported primarily via
vegetated conveyances designed in accordance with the most recent version of
the NC DWQ Stormwater Best Management Practices Manual. Alternative
designs may be approved if the applicant can show that the design provides
Water Quality Certification No. 3890

Water Quality Certification No. 3890
equal or better water quality protection than the practices specified in the manual.
The project must not include a stormwater collection system (such as piped
conveyances) as defined in 15A NCAC 028.0202(60).
b. High Density. Projects that do not meet the Low Density requirements shall meet
the following requirements:
1. Stormwater runoff from the entire site must be treated by structural stormwater
controls (BMPs) that are designed to remove eighty-five percent (85 %) of the
average annual amount of Total Suspended Solids (TSS). Stormwater runoff
that drains directly to Nutrient Sensitive Waters (NSW) must also be treated to
remove thirty percent (30°x5) of Total Nitrogen (TN) and Total Phosphorus (TP).8
2. All BMPs must be designed in accordance with the version of the NC DWQ
Stonnwater Best Management Practices Manual that is In place on the date of
stormwater management plan submittal. Alternative designs may be approved if
the applicant can show that the design provides equal or better water quality
protection than the practices specified in the manual .9
3. DWQ may add specific stormwater management requirements on a case -by-
case basis in order to ensure that a proposed activity will not violate water quality
standards.'o
4. DWQ may approve Low Impact Developments (LIDs) that meet the guidance set
forth in the Low Impact Development. A Guidebook for North Carolina.
5. Proposed new development undertaken by a local government solely as a public
road project shall follow the requirements of the NC DOT BMP Toolbox rather
than Items (1) -(4) above. 12
B. Submittal Requirements. The submittal requirements listed below apply only to projects
that require written authorization as indicated in the applicable General Certification as well
as projects that require an Isolated Wetlands Permit Any required documentation shall
be sent to the Wetlands, Suffers and Stormwater Compliance and Permitting Unit at
1650 Mail Service Center, Raleigh, NC 276994860.
I. Projects that are Subject to Another DWQ Stormwater Program: If the project is
subject to another DWQ stormwater program, such as the 20 Coastal Counties, HQW,
ORIN or state - implemented Phase II NPDES, then the applicant shall submit a copy of
the stormwater approval letter before any impacts occur on site.13
0. Projects that are Subject to a Certified Community's Stormwater Program. If the
project is subject to a certified local governments stormwater program, then the applicant
shall submit one set of approved stormwater management plan details and calculations
with documentation of the local government's approval before any impacts occur on sites
iii. Projects Not Covered Under Items (t) or (11). If the project is not subject to another
DWQ Stormwater Program or a Certified Community's stormwater program, then it shall
be reviewed and approved by the DWQ through the Water Quality Certification
authorization process.
a. Low Density. For low density projects, the applicant shall submit two copies of the
DWQ Low Density Supplement Form with all required items.13
Water Quality Certification No. 3890 10

Water Quality Certification No. 3890
b. High Density. For high density projects, the applicant shall submit two copies of a
DWQ BMP Supplement Form and all required items at the specified scales for each
BMP that is proposed.13
iv. Phasing. Stormwater management plans may be phased on a case -by -case basis, with
the submittal of a final stormwater management plan per Items (i) -(iii) above required for
the current phase and a conceptual stormwater management plan for the future phase($).
The stormwater management plan for each future phase must be approved by the
appropriate entity before construction of that phase is commenced. The approved
stormwater management plan for each future phase must be constructed and operational
before any, permanent building or other structure associated with that phase is
occupied. "
v. Stormwater Management Plan Modifications. The stormwater management plan may
not be modified without prior written authorization from the entity that approved the plan.
If the project is within a Certified Community, then the applicant shall submit one set of
approved stormwater management plan details and calculations with documentation of
the local government's approval for record - keeping purposes. If the project is subject to
DWQ review, then the applicant shall submit two copies of the appropriate Supplement
Forms per Item (iii) above for any BMPs that have been modified for DWQ's review and
approval.ls
1 The stormmater requirement for 401 applications is codified in 15A NCAC 02H .0506(b)(5) and
(c)(5).
2 Non erosive discharge rates are required in SL 2008 - 211 §2(b)(1). The 10 -year design storm
standard is codified in 15A NCAC 02H .1008(f)(2) and .1008(g)(1).
3 30 -foot vegetated setbacks are required in SL 2006 - 246 §9(d), SL 2008 - 211 §2(b), 15A NCAC
02H .1006(2)(c) and .1007(1)(a).
a Construction and maintenance of the stormwater plan is necessary to satisfy 15A NCAC 02H
.0606(b)(6).
s Conveys application procedure to streamline the permitting process and reduce any unnecessary
duplication in the review of stormwater management plans.
9 Low density built upon area thresholds are set in SL 2006 - 246 §9(c) and SL 2008 -211 §2(b).
7 The requirement for low density development to use vegetated conveyances is codified in SL
2006- 246§9(c), SL 2008 - 211 §2(b), 15A NCAC 02H .1006(2)(b) and .1007(1)(a). The Stormwater
BMP Manual is also referenced in 16A NCAC 02B .0265(3)(a) and .0277(4)(e).
9 85% TSS removal is required in SL 2006 - 246 §9(d), SL 2008 - 211 §2(b), 15A NCAC 02H
.1006(2)(c), 15A NCAC 02H .1007(1)(a). The 30% TN and TP removal requirements for NSW
waters are set forth in 15A NCAC 02B.0232, 15A NCAC 02B .0257(a)(1), 15A NCAC 02B
.0265(3)(x) and 16A NCAC 02B .0277(4).
9 The Stormwater BMP Manual is also referenced in 15A NCAC 028.0265(3)(a) and .0277(4)(e).
10 The requirement for DWQ to ensure that water quality standards are protected before issuing a
401 certification is codified in 15A NCAC 021-1.0506.
t1 The LID Toolbox is also referenced in 15A NCAC 02B .0277(4)(8).
12 The term "public road project" Is defined In15A NCAC 02B .0265(3)(a).
13 Conveys application procedure to streamline the permitting process.
14 Phased development is addressed as a "common plan of development" in 15A NCAC 02H
.1003(3).
15 Procedures for modifying stormwater plans are set forth in 15A NCAC 02H .1011.
Water Quality Certification No. 3890 11

4
ATTENTION CONTRA CTOI ?S
The Contruct. ,-n Contractor responsible for the extension of water,
sewer, and/or =ruse, as approved in these plans, is responsible for
contacting the public Works Department at (919) 9� 96 -2409,
and the Public lJtitities Department at 1q 19) 996 -454o at least twenty
four hours prix- to beginning any of their construction.
Failure to not: both City Dpartments in advance of beginning
construction, v result in the issuance of monetary fines, and require
reinstallation r any water or sewer facilities not inspected as a result
ofthis notificaon failure.
Failure to call fir inspection, install a Downstream Piug, have
Permitted Plans on the Jobsite, or any other Violation of City of
Raleigh Stans-ards will result ht a Fine and Possible Exclusion
from future wage in the City of Raleigh.
Public
zlaterDistnbudort /Extension System
The City ofRaLi;gh consents to the connection and extension of the
City's public warn system as shown on th:s plan. The material and
Construction rm eods used for this project shall conform to the
standards and secifieations of the City's Public Utilities Handbook.
City c Raleigh
Public Utiitties2 "apartment Per f
e
Authorization t- .,onshuct
Date
Public
Sewer Collection /Extension System
The City of RaI6a, consents to the connection and extension of the
City's public sewn system as :shown on this plan. The material and
Construction ariliods used for this project shall conform to the
standards ands,ecifrcations of the City's Public Utilities Handbook.
City ofRaleigh
Public Utilities r %partment Permit # _
as
e
Authorization tr. a on�struct
Date_
$1TEAND COMMERCIAL BUILDINC3 DATA $MEET 101,04. 11 b A.
,, C(10."��MMERCU*A
B. 'c 4
COUNTY
PROPERTY
SITdoes
W
2
to
TO RALEIGH
Nth'
TO WAKE
CO O-
CCJVER SHEET �_ j
FOREST
. _
t; a
N
C-1.1
EXISTING LOT LAYOUT
C -2.1
OVERALL SITE UTILITY PLAN
r-
OVERALL SITE UTILITY PLAN
C -3.1
WATER MAIN PLAN & PROFILE
C-4.1
SANITARY SEWER PLAN & PROFILE - LINE'A'
a
SANITARY SEWER PLAN & PROFILE - LINE W
4LdJPtd(FiUDT%
O
C-4A
COWDIEN
_
C -4.5
PERRY CREEK RD
TO RALEIGH
C -6.1 TREE CONSERVATION PLAN
C -6.2 TREE CONSERVATION PLAN
C -6.3 TREE CONSERVATION PLAN
C -6.4 TREE CONSERVATION PLAN
C-7.1 SITE UTILITY DETAILS
C -7.2 SITE UTILITY DETAILS
51Ar c� '6M"C:AL STzX w c1�--
OWNER:
Nth'
OWNER CONTACT
CO O-
CCJVER SHEET �_ j
P.O. BOX 550 SUITE 1201
. _
C -1.0
OVERALL SITE PLAN
C-1.1
EXISTING LOT LAYOUT
C -2.1
OVERALL SITE UTILITY PLAN
C -2.2
OVERALL SITE UTILITY PLAN
C -3.1
WATER MAIN PLAN & PROFILE
C-4.1
SANITARY SEWER PLAN & PROFILE - LINE'A'
C -4.2
SANITARY SEWER PLAN & PROFILE - LINE W
C -4.3
SANITARY SEWER PLAN & PROFILE- LINE W
C-4A
SANITARY SEWER PLAN & PROFILE - LINE'A'
C -4.5
SANITARY SEWER PLAN & PROFILE - LINE W
C -6.1 TREE CONSERVATION PLAN
C -6.2 TREE CONSERVATION PLAN
C -6.3 TREE CONSERVATION PLAN
C -6.4 TREE CONSERVATION PLAN
C-7.1 SITE UTILITY DETAILS
C -7.2 SITE UTILITY DETAILS
51Ar c� '6M"C:AL STzX w c1�--
OWNER:
WAKE COUNTY
OWNER CONTACT
PHILLIP D. STOAT
1
P.O. BOX 550 SUITE 1201
3
RALEIGH, NC 27602
1-3
919- 855 - 6350
DESIGNER:
CLH DESIGN, PA.
DESIGNER CONTACT
ZAK PIERCE
YES
REGENCY PARK
LOTS O
790 LF
400 REGENCY FOREST DR., SUITE 120
CARY, NC 27518
3,896 LF
PHONE: [phone]
O LF
FAX [phone]
THE CONSTRUCTION INSPECTION OF PRIVATE STREETS M774IN CLUSTER
UNITS, CONDOMINIUMS, GROUP HOUSING, TOWNHOUSE DEVELOPMENTS AND
MOBILE HOME PARKS SUBMITTED FOR CITY APPROVAL IS THE
RESPONSIBILITY OF ME OWNER%DEVELOPER. COPIES OF CERIVIED
INSPECTION REPORTS INVOLVING SUB GRADE /AGGREGATEE BASE PROOF
ROLLS, AGGREGATE BASE AND ASPHALT DENSITIES AND THICKNESS, AND
OTHER PER77NENT INFORMATION MUST BE SUBMITTED TO THE CITYS
ENGINEERING INSPECTIONS MANAGER AT P.O. BOX 590, RALEIGH, NC
27602 OR FAXED TO (919) 831 -6339. CONTACT PAUL KALLAM AT (919)
516 -2159 TO OBTAIN DETAILS OF THE ABOVE REQUIREMENTS.
an OF R,4LEai Paiacs AND REc;En,nav
AND WAKE COIRJN RJB1C SCHOOL SYSTEM
ABBOTTS CREEK
PARK AND
ELEMENTARY SCHOOL
DURANT RGpD
RALEIGH, NC 27614
ARCHITECT
a P3 t,
CTE+CLT
Pearce B ' Cease
333 Fayetteville St. Suite 0
Raleigh, North Carolina 9,
071
CONSULTANT
L DESIGN, RA
400 Regency Forest Delve
Suite 120
Cary, .North Carolina 27518
Phone: [phone]
Fax: [phone]
LA: C -106
PLC': C -1595
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
24 NOV 12
3 28 13 2ND CONSTRUCTION SUB.
6/27/13 3RD CONSTRUCTION SUB.
SHEET
COVER SHEET
PUBLIs
Crr
PHASE NUMBER(S)
1
NUMBER OF LOTS
3
LOT NUMBERS BY PHASE
1-3
NUMBER OF UNITS
N/A
LIVABLE BUILDINGS
N/A
OPEN SPACE
YES
NUMBER, QF PACE
PLF31- li�(III)t;9,33'}3
LOTS O
790 LF
,�l.nWER (L
3,896 LF
PUBLIC STREET (LF)
O LF
PUBLIC SIDEWALK (LF)
0 LF
THE CONSTRUCTION INSPECTION OF PRIVATE STREETS M774IN CLUSTER
UNITS, CONDOMINIUMS, GROUP HOUSING, TOWNHOUSE DEVELOPMENTS AND
MOBILE HOME PARKS SUBMITTED FOR CITY APPROVAL IS THE
RESPONSIBILITY OF ME OWNER%DEVELOPER. COPIES OF CERIVIED
INSPECTION REPORTS INVOLVING SUB GRADE /AGGREGATEE BASE PROOF
ROLLS, AGGREGATE BASE AND ASPHALT DENSITIES AND THICKNESS, AND
OTHER PER77NENT INFORMATION MUST BE SUBMITTED TO THE CITYS
ENGINEERING INSPECTIONS MANAGER AT P.O. BOX 590, RALEIGH, NC
27602 OR FAXED TO (919) 831 -6339. CONTACT PAUL KALLAM AT (919)
516 -2159 TO OBTAIN DETAILS OF THE ABOVE REQUIREMENTS.
an OF R,4LEai Paiacs AND REc;En,nav
AND WAKE COIRJN RJB1C SCHOOL SYSTEM
ABBOTTS CREEK
PARK AND
ELEMENTARY SCHOOL
DURANT RGpD
RALEIGH, NC 27614
ARCHITECT
a P3 t,
CTE+CLT
Pearce B ' Cease
333 Fayetteville St. Suite 0
Raleigh, North Carolina 9,
071
CONSULTANT
L DESIGN, RA
400 Regency Forest Delve
Suite 120
Cary, .North Carolina 27518
Phone: [phone]
Fax: [phone]
LA: C -106
PLC': C -1595
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
24 NOV 12
3 28 13 2ND CONSTRUCTION SUB.
6/27/13 3RD CONSTRUCTION SUB.
SHEET
COVER SHEET

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aTy OF RA_➢GH PAWS AND RECREATI ON
AND WAKE OCUNTY RJBJC SCHOOL SYSTEM
ABBOTTS CREEK
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DURANT ROAD
RALEIGH, NC 27614
ARCHITECT
A IR C H I CTE+CLT U R
CITY OF RALEIGH
ALL CONSTRUCTION MUST BE IN
ACCORDANCE A1774 ALL LOCAL, STATE,
AND FEDERAL RULES AND REGULATIONS,
TRANSPORTATION S RWCES C'16,tt- 423'Ah3
PUBLIC UTILITIES:
17.
STORMWATER.
PLANNING:
FIRE,
URBAN FORESTRY., ZL I
3953
GIN
CONSULTANT
400 Regency Forest Drive
Suite 120
Cary, North Carolina 27518
Phone: [phone]
Fax: [phone]
LA: C-106
PE: C -1695
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
20 NOV 12
1 3/28/13
2ND
CONSTRUCTION
SUB.
1 6/27/13
3RD
CONSTRUCTION
SUB.
SHEET
OVERALL SITE
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a„
=.. CITY 0F RALEIGH
Q ti \e
.. mss. •-,«,d e� `�. \
ALL CONSTRUCTION MUST BE IN ACCORDANCE
MTH ALL LOCAL, STA7& AND FEDERAL RULES
GRAPHIC SCALE �~ �� - �=`� °°�`� ° „` 4;� ` AND REGuLAT1oNS.
-wim aw TiiAtVSPARTA TION SE VI
)0 0 50 100 200 4C
R CES.
PUBLIC 077LITIES:
(
STORMVIATER: IN FEAT �
I inch — soa ft.
`\ FIRE:
URBAN FORES7I Y.
alY OF RPLE]GH PAWS AND RECREAIiCN
AND WAKE CgJNTY PU&JC SC-IOCL SYS1Qv1
ABBOT, T.S. CREEK
PARK AND
ELEMENTARY SCHOOL
DURANT ROAD
RALEIGH, 6 ►
Pearce, Brinkley Mb'
Lee
333 Fayetteville St. Suite 100#
Raleigh, North Carolina 27601
• : '1'
CONSULTANT
SUBMITTAL _
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
20 NO 12
1 3 28 13 2�ID CONSTRUCTI�?P� SUB.
1 5 27..13 3RD CONSTRUCTION SUB.
PROJECT
NUMBER
PBC+E 1597

5
DRAINAGE
BASIN
PHASE
DRAINAGE
AREA
(AC)
WOODS
(CN=55-5 7)
(AC)
GRASS
(CN=61 -63)
(AC)
IMPERV.
(CN=98)
(AC)
COMPOSITE
CN
TC
(MIN)
Q1
(CFS)
Q2
(CFS)
Q10
(CFS)
NOTES
PRE-DEV
27.65
3-9.
23.65
0.10
62.3
19.1
6.74
14.72
43.43
0.05 ac
A
POST-DEV
-24.67
0.0
19.75
4.92
70.0
14.9
18.56
30.44
66.61
LOT 113: ac
`­,
0 010
MANAGED
'0., 6 ac
0.99 ac
Drains to Wetiand 3
AREA 4A: a 76 ac
Drains to ti'V Aland 2
ac
4.32
8.73
26.29
1 DETEN77ON WETLAND
0,0Q ac
PRE-DEV
11.43
7.5
3.83
0.10
57.4
14.5
3.52
7.20
21.61
0.57 ac
B
POST DEV
20.02
0.0
11.70
8.32
76.4
Z2
31.17
45.24
85.70
1 DETENTION KETLAND
MANAGED
LOT ID: jaE;
0 00' ac
0,,,0% ac
ac
0.14 ac
1.81
3.95
17.54
1 90XTSS WET DET. POND
PRE-DEV
6.13
2.4
3.44
0.29
57.4
1815
1.13
2.76
8.99
C
POST-DEV
2.03
0.0
1.99
0.04
61.7
8.8
0.71
1.55
4.45
MANAGED
NO DET REQUIRED
PRE-DEV
1.65
1.0
0.65
0.00
57.2
13.6
0.17
0.56
2.22
D
POST-DEV
0.14
0.0
1.39
0.05
61.0
5.0
0.05
0.12
0.35
MANAGED.
NO DET REQUIRED
INCLUDES UPSTREAM OFFS17F RUN-OFF
Pos-Ir ur"'EVEL 00"PMENT A R` EA" S
Site Area
Wooded Area
Impervious Area
Future lhrrip. Area
Lawn Area
!LOT 1A: 9',54 ac
tl, 40 >: ac
121, ac
ac
6.13 ac
Drains to Wetland 2
1.2 5 ac
POINT D
x"
ILOT IA: ,,,T39. ac
­;0 00 ac
..000,.ac
0 DO ac
7.39 ac
jByPass to Analysis Point A
Total Lot 1.30 ac
0.00 ac
0.05 ac
0.00 ac
ILOT I B: ac
000
2.21 ac
'0 ac
J5
1.72 ac
Drains to Wet Pond 1
FORMN91
Effom
LOT 113: ac
`­,
0 010
ac
'0., 6 ac
0.99 ac
Drains to Wetiand 3
AREA 4A: a 76 ac
Drains to ti'V Aland 2
ac
Ell, ac
LOT 111: ac
ac
0.07, ac
0,0Q ac
3.,60 ac
ByPass to Analysis Point B
0I ac
0.
�101'w ac
2.54 ac
LOT IB:
M' ac
0:39` ac
0.011= ac
0.57 ac
Off-Site Area to Wet Pond I
AREA 4B: ac
'D
00 ac
LOT 1C: 0.41 ac
00' ac
O A fl4 tic
0.40 ac
0.39 ac
Drains to Analysis Point C
LOT ID: jaE;
0 00' ac
0,,,0% ac
ac
0.14 ac
Drains to Analysis Point D
6.16 ac
Total Lot 27.91 ac
0.00 ac,
7.11 ac
0.45 ac
20.35 ac
(Includes Dunn Road Extension Public R/W and Excludes Offisite Area)
Site Area
Wooded Area
Impervious Area
Future Liap. Area
Lawn Area
LOT 2A: 1: 44,;'
,NW ac
ac
t.0 15 ac
0.21 ac
Drains to Wetland 2
1.2 5 ac
POINT D
x"
LOT 2B: 768 ac
G 00 ac
1,36, ac
€1';24 &C
4.12 ac
Drains to Wet Pond 1
Total Lot 1.30 ac
0.00 ac
0.05 ac
0.00 ac
LOT 2B: 1 21,, ac
ac
55� ac
J ac
0.56 ac
Drains to Wetland 3
FORMN91
Effom
LOT 211: ac
a 00 ac
0-2 l,ac
ac,
0. 14 ac
Offsite to Wetland 3
AREA 4A: a 76 ac
Drains to ti'V Aland 2
ac
Ell, ac
LOT 2B: ac
(};00 ac
4 .0- ac
W ac
0.58 ac
ByPass to Analysis Point B
0I ac
0.
�101'w ac
2.54 ac
LOT 2B: W ac
M' ac
42 ac
0: 05' ac
0.07 ac
Offilte to Wet Pond I
AREA 4B: ac
'D
00 ac
LOT 2C: I JD ac
C
ac
4, W. ac
1.59 ac
Drains to Analysis Point C
Total Lot 12.51 ac
0.00 ac
5.10 ac
0.35 ac
7.06 ac
(Includes Dunn Road Extension Public R/W and Excludes Offilte Area)
A
ANALYSIS POINT W*
-x,
p"s
411 11.
e
l/A
-_
00
0,
0�
LANQ 2
'N
\V1,
%
V
N,
X
Z
r. V
\LJ "k
0
P
"g-
j j
X /�Z/A'
. .........
r
LOT I
AREA 1A
4
WETLANDZ-
J
V
L)
1151"
'Jig
�if 11,
"doAt
x.
z
"Nx, Ali
\A7i N, "I"\"
N't
/Z
........ .. < )"', )J,.il
L SO -k _:z ✓ 41� /*
N1,
j'rf AR,
4f
/w/I �3
1A
4 /h AW I
V//
V
_X
<
Sz--v
I Z 1 11 1 11 111 01 k I I I i 4! I X1117,11 /I/ -
-W
&f
41 4 KVZ/
N4
f 4 X-
-4jj
X \.Z
E,
IXIII/Ml -b
Site Area
Wooded Area
Impervious Area
Future Limp. Area
Lawn Area
LOT,Sb ac
717`1',:',, 9""
ac
0. ac
0 00 ac
1.2 5 ac
POINT D
x"
-x,
p"s
411 11.
e
l/A
-_
00
0,
0�
LANQ 2
'N
\V1,
%
V
N,
X
Z
r. V
\LJ "k
0
P
"g-
j j
X /�Z/A'
. .........
r
LOT I
AREA 1A
4
WETLANDZ-
J
V
L)
1151"
'Jig
�if 11,
"doAt
x.
z
"Nx, Ali
\A7i N, "I"\"
N't
/Z
........ .. < )"', )J,.il
L SO -k _:z ✓ 41� /*
N1,
j'rf AR,
4f
/w/I �3
1A
4 /h AW I
V//
V
_X
<
Sz--v
I Z 1 11 1 11 111 01 k I I I i 4! I X1117,11 /I/ -
-W
&f
41 4 KVZ/
N4
f 4 X-
-4jj
X \.Z
E,
IXIII/Ml -b
Site Area
Wooded Area
Impervious Area
Future Limp. Area
Lawn Area
LOT,Sb ac
717`1',:',, 9""
ac
0. ac
0 00 ac
1.2 5 ac
POINT D
Drains to Analysis Point D
Total Lot 1.30 ac
0.00 ac
0.05 ac
0.00 ac
1.25 ac
FORMN91
Effom
Site Area
Wooded Area
hTpervious, Area
Future 4W. Area
LaNxm Area
AREA 4A: a 76 ac
Drains to ti'V Aland 2
ac
Ell, ac
0 111j ac
3.48 ac
AREA 4A: ac
ac
0I ac
0.
�101'w ac
2.54 ac
ByPass to Analysis Point A
AREA 4B: ac
'D
00 ac
z,::­D 00., ac
J� ac
'401
0. 14 ac
ByPass to Analysis Point
Total Area 6.44 ac
0.00 ac
0.18 ac
0.10 ac
6.16 ac
Site Area Wooded Area Impervious Area Future Imp Area Lawn Area
TOTAL SITE 48.16 ac 0.00 ac 12.44 ac 0.90 ac 34.82 ac
Lot 3 and Area 4 are excluded from Watershed calculations
Lot 3 will be retained by Wake County and will reviewed by the City of Raleigh in a future review submittal.
Area 4 is within Wake County's j urisdiction
Site Area Wooded Area Impervious Area Furure:mp. Area Lawn Area
Lot 1 27.91 ac 0.00 ac 7.11 ac 0.45 ac 20.35 ac
Percent Impervious: 27.09 %, <701%
Site Area Wooded Area Lm pervious Area Future imp. Area 1-awn Area
Lot 2 12.51 ac 0.00 ac 5.10 ac 0.35 ac 7.06 ac
Percent Impervious: 43.57 <70%
*TY OF RAEGH PAWS AND RECREATON
AND WAKE OJJNTY PUBUC SICHOCL SYSI&
ABBUFFS CREEK
PARK AND
ELEMENTARY SCHOOL
DURANT ROAD
RALEIGH, NC 27614
Pearce Brinkley Cease + Lee
333 Fayetteville St. Suite 100#
Raleigh, North Carolina 27601
P.[phone] f.[phone]
CONSULTANT
CLH DESIGN, PA
400 Regency Forest Drive
Suite 1R0
Cary, North Carolina 27518
Phone. [phone]
Fax., [phone]
LA: C -106
PE: C-1596
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
20 NOV 12
1 3/28/13 2ND CONSTRUCTION SUB.
1_ 6/27/13 3RD CONSTRUCTION SUB.

NOTES.,
< 1. ALL WOOD SHALL BE ACQICA PRESSURE TREATED, SELECT GRADE SOUTHUM PINE,
< 2. ALL FASTENERS SHALL BE GALVANIZED WOOD SCREWS.
Wuj
tr 2. ALL WOOD SHALL BE STAINED IN PLACE WITH A NONFLAMMABLE, ODORLESS, COLORLESS,
WA7ER BASED WOOD STAIN. COLOR TO BE SELECTED BY ARCH17ECT
U J. ALL FASTENERS INSTALLED SO THAT NO PART PROTRUDES BEYOND FACE OF WOOD.
1EE ------- 4. WOOD PARIS SHOULD BE SMOOTH AND FREE 0 SPLINTERS r SHOULD BE ROUNDED.
Lj
E _
❑ _w 5. ALL CONCRETE SUPPORTS SHOULD PROVIDE POSITIVE DRAINAGE AWAY FROM WOOD POSTS.
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IL 0 " ;g , in 60 w
0 �_ 9 m a, U0 Q w
Uj z 0 < (OUTLET TO WELL DEFINED CHANNEL) NOTES. 10' POND
Z C4 ffs 4 Ui 6 t-: od 6 -
�7 X Z�_w 7 1. TOP OF RIP RAP AT DOWNSTREAM END OF J. I POND SHELF
w mg�z _,31DESL E
ry Y APRON SHALL BE FLUSH WITH NATURAL GRADE
< Z 56'
W. --<I - I
m: 0 (n 01, -w>- < OF THE RECEIVING CHANNEL. TOP BAFFLE EL: 307.5'
X.i' Z uj� -i LU MAINTENANCE NOTES:
in Lgn 101 m 2. VEGETATE ALL DISTURBED AREAS WITH
w Fb < OZW
ir! Z<.- 1. RIP RAP OUTLET STRUCTURES TO BE INSPECTED VEGETATION IMMEDIATELY AFTER INSTALLATION.
u-, 00 HOW V)
zti �0 0- x Z m WEEKLY AND AFTER EVERY RAINFALL EVEN T. PERM. POOL EL: J06.0'
iLZ2 Ln _ 3. SEE EROSION CONTROL PLAN FOR APRON
x
_j w<0 2. REPAIRS ARE TO BE MADE IMMEDIATELY. DIMENSIONS.
w
CITY OF RALEIGH
BOTTOM POND EL: 300.5'
xUOIM WIN U PUBLIC WORKS DEPARTMENT
LLJ REVISIONS DAM. 711100 DRAW 9Y.- J79
sa 5; AT 3-6-07 STANDARD TEMPORARY
Li SILT / TREE
n, RCTECTION FENCE FLOW BAFFLE ELEVATION
STD. # 4 0.0 3
STANDARD CITY OF RALEIGH DETAILS N. T. S. RIPRAP OUTLET PROTECTION N. T. S. FLOW BAFFLE N. T S.
EXTEND TO
OUTLET PROTECTION STREAM
SEE GRADING PLAN
—OUTLET PROTEC77ON
SEE GRADING PLAN
EMERGENCY
SPILLWAY
k
�7_21
NO sHwr
2ND
WPM'
SUB.
Wf THIN 7-FT
3RD
CONSTRUCTION
SUB.
OF EX. GMAUL
SHWT BELOW
9p
91 LE
ng
NO SHWT
KITHfN 12-FT
• EX. GRADE
SHWT BELOW
PERMANENT
POOL EL: 306.0'
EMERGENCY'
_WSER NO SHWT
RA WITHIN 7-FT
Iff oe� SHALLOW
WATER' SHALLOW
Y 289, 5 LAND
SHALLOW
ti WATER
DEEP POOL
BOTTOM EL' 286.0'
SHALLOW
LAND k WATER
01o"
SHALLOW
WA ILK ftnHALb
NO SHWT
K9Tb--,',fN 10-FT
OF EX. GRADE
SHW7 BELOW
ELE"V: 284'
PERMANENT
POOL EL: 289.0'
OUTLET PROTECTION
SEE GRADING PLAN
DETENTION WETLAND 2
WET DETEN77ON POND & DETENTION WETLAND PLAN VIEWS
NO SHWT
WITHIN 20-FT
OF EX. GRADE
SHWT (BELOW
ELEV: 280'
DEEP POOL
BOTTOM EL. 286.0'
OUTLET PROTEC77ON
SEE GRADING PLAN
1"-40#
SHALLOW -
SHALLOW
WA TER
Y
DETENTION WETLAND 3
PERMANENT
POOL EL: 289.0'
DRAIN
PIPE
-EP POOL
EMERGENCY
SPILL WA Y
OUTLET PROTEC77ON
SEE GRADING PLAN
EXTEND TO
STREAM
aTy cF- RABGH PAWS AND RECREAMN
AND WE O0JNTY RJBLJC SCHOCL SYt��
ABBO T T,.-S. CREEK
PARK AND
ELEMENTARY SCHOOL
161111:1,1 1 a A
fem -I
I- lMl 011111111111111
Pearce Brinkley Cease + Lee
333 Fayetteville St. Suite 1000
Raleigh, North Carolina 27601
p.[phone] f.[phone]
CONSULTANT
CLH DESIGN, P.A
400 Regency Forest Drive
Suite 120
Cary, North Carolina 27518
Phone. [phone]
Paz; [phone]
LA: C -106
PE. C-1595
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
20 NOV 12
1 3/28ZI3
2ND
CONSTRUCTION
SUB.
1 6/27/13
3RD
CONSTRUCTION
SUB.

P&ND SCHEDULE
POND NUMBER
1
DESCRIPTION
A (FT)
300.50%
BARREL OUTLET ELEVATION
B (FT)
306.00
PRIMARY SPILL WA YIPERMANEN T POOL ELEV.
C (Fr)
307.20*
"SECONDARY SPILLWAY ELEVA77ON
D (F7)
T
310.00".
RIM ELEVATION
E (FT)
311.42
TOP SLAB ELEVATION
F (FT)
311.00
EMERCENCY SPILLWAY CREST ELEVATION
G (FT)
312.00
TOP OF EMBANKMENT ELEVA71ON
H (FT)
299.20,
INVERT OUT OF BARREL
I (FT)
4
OV77-ET STRUCTURE INTERIOR M07H
J (FT)
4
OUTLET STRUCTURE INTERIOR LENGTH
K
82 LF 24"RCP
OUTLET BARREL
L (FT)
12
EMERGENCY SPILLWAY WIDTH
M -(IN)
6
SECONDARY SPILLWAY WIDTH
N (IN)
12
THROAT OPENING HEIGHT
0 :(IN)
6
CONCRETE BASE EXTENSION MOIR
P (IN)
6
CONCRETE BASE EXTENSION THICKNESS
Q (IN)
2.25
PRIMARY SPILLWAY ORIFICE
R .(]N)
6
DRAIN VALVE DIAMETER
S `()N)
2 .
SKIMMER ORIFICE
T (FT)
306.00
TEMPORARY SEDIMENT STORAGE ELEVA71ON
U (FT)
300.50
POND BOTTOM ELEV
Y (FT)
300.00
FOREBAY SEDIMENT STORAGE BOTTOM ELEV.
W (FT)
306.50,
j
TOP OF VEGETATIVE SHELF
X (YT)
305.50
BOTTOM OF VEGETATIVE SHELF
Y (FT)
30
DISTANCE FROM CHIMNEY TO END OF BARRELIFES
1-YR STORM ELEV.
307.66'.,
2-YR STORM ELEV
308.04'
10-YR STORM ELEV.
309.12'�
100-YR STORM ELEV]
310.72
TEMPORARY FAIRCLOTH SKIMMER
SEE TEMPORARY SEDIMENT
SKIMMER BASIN DETAIL. CONNECT FLEXIBLE PIPE
TO POND DRAIN. GATE
VALVE SHALL REMAIN
OPEN. REMOVE SKIMMER
ONCE POND IS NO LONGER
U77UZED AS TEMPORARY
SEDIMENT BASIN.
S
E
K
E
SKIMMER E
M
R
TEMPORARY SEDIMENT
T
N DETAIL.
y
FLEXIBLE PIPE
PRIMARY SPILLWAY
DRILL OPENING IN END
CAP. DIAMETER. Q
X
L..=:..,STEPS
IMANHOLE RING AND COVER
8"-
X
PLAN VIEW
OUTSIDE EDGE OF SHELF
SHALL BE 6-IN ABOVE
PERMANENT POOL.
0"c
u�LL '
SHALL OUTSIDE
ELEV: W INSIDE EDGE OF SHELF
10' VEG. SHELF SHALL BE 6-IN BELOW
I 1 1 0_ I S1 PERMANENT POOL
10,1 SLOPE TOWARDS POND ELEV: X
PERMANENT POOL
-ELEV
FOREBAY
E
FOREBAY BOTTOM PSS= V
WET DETEN77ON POND MAIN7ENANCE SCHEDULE
DESCRIP71ON
METHOD
FREQUENCY
SEASON
EMBANKMENT
INSPECT AND REPAIR
EROSION / ANIMAL NES77NGS
VISUAL
ONCE PER YEAR
A.LL
INSPECT AND RESEED
GRASS COVERAGE
VISUAL
WHENEVER NEEDED
ALL
OUTLET STRUCTURE
DEBRIS / OBSTRUCTIONS
BY HAND
WHENEVER NEEDED
ALL
OPERATE POND DRAIN VALVE
BY HAND
ONCE PER YEAR
ALI
EROSION AT OUTLET DISCHARGE
VISUAL
ONCE PER YEAR
ALL
FOREBAY MAIN POOL
SEDIMENT DEBRIS
BY HAND
ONCE PER YEAR
ALL
REMOVE TRASH
BY HAND
WHENEVER NEEDED
Ai L
CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTENANCE UN77L SUBSTANTIAL COMPLETION
AT WHICH 77ME OWNER WILL ASSUME MAINTENANCE RESPONSIBILITY
x
00
INSTALL SLOPE PROTECTION MATTING
ON ALL SLOPES STEEPER THAN 6:1-7
I'll 1 7
3OND CONSTRUC77ON SEQUENCE
1, INSTALL POND BARREL, OUTLET STRUCTURE, EMBANKMENT AND ALL
OTHER POND COMPONENTS.
2. CALL FOR SITE INSPECTION PRIOR TO BACKFILLING POND BARREL.
3. INSTALL TEMPORARY SKIMMER TO OUTLET STRUCTURE.
4. EXCAVATE POND TO TEMPORARY SKIMMER BASIN DIMENSIONS, SEE
EROSION CONTROL PLAN.
5. INSTALL BAFFLES AND OTHER TEMPORARY SKIMMER BASIN
COMPONENTS, SEE TEMPORARY SKIMMER BASIN DETAIL,
6. SEE CONSTRUCTION SEQUENCE ON EROSION CONTROL PLAN FOR
INFORMA 77 ON.
7. ONCE SITE IS APPROVED, REMOVE TEMPORARY SKIMMER, BAFFLES OUTLET STRUCTURE NOTES:
AND OTHER TEMPORARY COMPONENTS, EXCAVATE SEDIMENT AND
GRADE TO FINAL CONTOURS, SEE GRADING PLAN. 1. ALL STRUCTURES OVER 3'-6" IN DEPTH TO
8. SEED ALL DISTURBED AREAS. BE PROVIDED WITH STEPS 1' -2" ON CENTERS.
STEPS SHALL BE IN ACCORDANCE WITH
TOP SLAB ELEV. E
AET POND OUTLET
OPEN- THROAT YARD, INLET
PROVIDE TEMPORARY PRE-TREATED RIM ELEV: D
WOOD OR GROUT AS NECESSARY
TO BLOCK ORIFICE /WEIR UP
TO ELEV, T
.TEMPORARY FAIRCLOTH SKIMMER SECONDARY SPILLWAY
SEE TEMPORARY SEDIMENT WEIR ELEV.. C END CAP
SKIMMER BASIN DETAIL.
4 "P VC-
PRIMARY SPILLWAY
INVERT ELEV.: 8 4"PVC TEE-`-,�-,
PRIMARY SPILLWAY
DRILL OPENING IN END
CAP. DIAMETER. Q
y CONNECT FLEXIBLE PIPE
TO POND DRAIN. GATE
VALVE SHALL REMAIN
OUTLET OPEN. REMOVE SKIMM ER
ONCE POND IS NO LONGER EMBANKMENT
BARREL: K UTILIZED AS TEMPORARY
SEDIMENT BASIN.
BARREL OUTLET INVERT ELEV.: A 6" DIP 0
BOTTOM= U EXTEND TO SLOPE
DIP DRAIN WI -jj GATE
VALVE AND HAND WHEEL.
ANCHOR TO OUTLET STRUCTURE.
VAVLE TO BE OPEN DURING
CONSTRUCTION:
ry DIAMETER: R
FLANGED, NRS, RESILIENT WEDGE GATE
VALVE WITH EXTENSION STEM, HAND
WHEEL AND STEM GUIDES AS
MANU;:`ACTURED BY CLOW OR APPROVE[
EQUAL.
TOP OF EMBANKMENT ELEV.: G
CONCRETE SLAB
STANDARD 840.66,
MANH(
-fA BARS 8"O.C. E.W.
3.
CLASS "A" (3,000 PSI) CONCRETE TO BE
USED.
4.
1 9
I I I OPLIN ON- I I I
RING AND COVER 5.
-4_
6.
CLOW STEM GUIDE
ATTACH TO RISER
WITH THREADED ROD
FILLED WITH GROUT
#4 REBAR 6- O.C. E.W.
J
IN EACH OPENI
ANCHOR
-3"
DRAWDOWN
EMBANKMENT
PIPE TO
SLOPE
STRUCTURE
V4
P VC
OUTLET
U-SHAPED STEEL BARREL: K
BRACKET ATTACHED
TO BASE WITH THREADED
ROD FILLED WITH GROUT
0
.7
7 J
OUTLET STRUCTURE
SECTION Y- Y
OUTLET STRUCTURE
INSTALL SLOPE PROTEC77ON MATTING
ON ALL SLOPES STEEPER 7HAN 6:1
AND FLOOR OF POND
OUTLET STRUCTURE TO BE LOCATED
OU MET 10' MIN. FROM EDGE OF PERMANENT
POOL WATER EDGE.
CONCR,
MANHOLE RING AND COVER
U-)
1 0
SOUR SIDE- T-- 1 - - # - -)
41 1
0
- T -- r_" 1--f-E
SLAB
BARS 8"0. C. E W.
8 -51011-
#4 REBAR 6- O.C. E. tit!
IN EACH OPENING
3-
ANCHOR REBAR
TO STRUCTURE
DIP DRAIN WITH GATE
VALVE AND HAND WHEEL.
ANCHOR TO OUTLET STRUCTURE. I L I
VAVLE TO BE OPEN DURING DOWELS SHALL BE #4
CONSTRUCTION. BARS 0 12" CENTERS
DIAMETER: R
BARREL OUTLET INVERT ELEV.., A 0 Cc
CL.
7
#5 BARS, 12- OCEW OUTLET STRUCTURE
SECTION X-
1
SEED & MULCH EMBANKMENT
SEE SEEDING SCHEDULE INSTALL SLOPE PROTECTION MATTING
ON ALL SLOPES Tppp�p
ABBOT, T,":-: S CREEK
PARK AND
ELEMENTARY SCHOOL
Iwo
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
20 NOV 12
1 3/28/13 2ND CONSTRUCTION SUB.
1- 3RD CONSTRUCTION SUB.
THAN 6.1
EMER. SPILLWAY CREST ELEV: F #57 WASHED STONE
PERMANENT BAFFLE FILTER DIAPHRAGM EMERGENCY SPILLWAY
CLASS V STONE OUTLET STRUCTURE CHIMNEY 3
D50=8" SEE DETAIL THIS 10' SHELF
4' SHEET. ZCOMPACTED T
- - - - - - PERMANENT POOL. OUTSIDE EDGE OF SHELF= PERM. POOL ELEV. (B) + 6-IN. SELECT FIL17 INSTALL S
FROM PIPE JOINT U HEADWALLIFES
EL E V.- 6 INSIDE EDGE OF SHELF= PERM. POOL EL
(D 0 ELEV. ('B') - 6-IN. SEE GRADING PLAN
000 S
2 O 000 MAIN POOL BARREL OUTLET - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2 INVERT ELEV.: A - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 0 0 0 POND BOTTOM U RCP W17H RUBBER GASKET (ASTM C-443) OUTLET BARREL: K OUTLET INV.
- -- --- - - - - -- -- - - - - -- ----- - - -- ------ - - -- ------------------------- ELEV.: H
-4
- - - - - - - - - - - - - - - - - - - - - - - - ---- - - - - - - - - - - - - -
F
'T
K
4. L4" TOPSOIL UNDER S
'*\-#57
6" IMPERVIOUS FILL ALL WATER SURFACES hnm (FLOWABLE CRADI FILL) u FILTER DIAPHRAGM WASHED STONE
LAYER UNDER ALL EMBANKMENT SHALL 13E CONSTRUCTED OF CLEAN STRUCTURAL SOIL, FREE OF
WATER SURFACES ROOTS, VEGETATION. ROCKS & OTHER OBJECTIONABLE MATERIAL. SCARIFY 4' f Y 7
SURFACES BEFORE PLACING FILL PLACE FILL IN 6-8 INCH LOOSE LIFTS,
COMPACT TO AT LEAST 95% OF THE STANDARD PROCTOR DENSITY. 2-FT DEEP CUT OFF TRENCH. OUTLET PROTECTION
IMPERVIOUS' LAYER TO BE INSTALLED UNDER ALL WATER SURFACES. REFER TO EXCAVATE TRENCH ALONG CENTERLINE SEE GRADING PLAN.
SPECIFICATION SECTIONS 312000 OF EMBANKMENT AND EXTEND INTO BOTH
ABUTMENTS TO AT LEAST THE ELEVATION
OF 7HE RISER CREST. AS-BUILT SURVEY REQUIREMENTS
POND AND EMBANKMENT SECTION NOM' CONTRACTOR SHALL PROWDE AS-BUILT TOPOGRAPHIC; SURVEY
PERFORMED BY A PROFESSIONAL LAND SURVEYOR CER71FYNG WT
DETENTION POND AREA DIMENSIONS AND CIEVA71ONS OF THE
24" FOLLOWING:
1. OUTLET STRUCTURE TOPS AND INVERM ORIFICE DIS. AMETERS, BARREL
PVC CAP 24" 24" PIPE SIZES AND INVERTS AND SMUCTUREDIMENSION
6" PVC 2. EMERGENCY SPILLWAY ELEVATION AND UMENSIONS.
3. TOPOGRAPHY THAT EXTENDS 20 FEET OUTSIDE LIMITS OF POND
PERFORATED PIPE
WATER SURFACE AND EMBANKMENT
(EACH SIDE)
BARREL PVCCAP 1157 WASHED
#57 WASHED STONE
STONE BARREL
WRAPPED IN SHEET
12" MIN. 12" MIN._ WRAPPED N
- 6" PVC FILTER FABRIC
SPRING LINE FILTER &BRIC PERFORATED PIPE
(EACH SIDE) BARREL 24" 24" SITE STORM WATER
CITY OF RALEIGH
BEND SPRING LINE
BARREL • CRADLE j.
DETAILS
(FLOWABLE FILL) ALL CONSTRUCTION MUST BE IN ACCORDANCE
#57 WASHED�,
6" PVC
STONE PERFORATED PIPE
EXTEND TO MAPPED IN (EACH SIDE), MTH ALL LOCAL, STATE, AND FEDERAL RULES
DOWNSTREAM FILTER FABRIC AND REGULATIONS.
EDGE OF
EMBANKMENT TRANSPORTATION SERVICES.
PUBLIC U-71UTIES.
SECTION S-S SEC77ON T -T STORM WA TER:
FILTER DIAPHRAGM CHIMNEY SECTION U- PLANNING, PROJECT
SCAM N.T.S. FIRF! NUMBER
PBC+L 1597
WET DETENTION POND 1 N. T. S. URBAN FORESTRY-
STANDARD 840.66,
2.
LOCATE MANHOLE OVER STEPS.
3.
CLASS "A" (3,000 PSI) CONCRETE TO BE
USED.
4.
ALL MOTOR JOINTS ARE 112" ± 118".
RING AND COVER 5.
GROUT SHALL BE NON-SHRINK (ASTW-C1107)
6.
CONCRETE BLOCK SHALL MEET NCDOT
SPECIFICATIONS SECTION 1040-2.
TOP SLAB ELEV. E
#4 REBAR 6- O.C. E.W.
WET POND OUTLET
IN EACH OPENI
OPEN-THROAT YARD INLET
-3"
EMBANKMENT
RIM ELEV: 0
SLOPE
PROVIDE TEMPORARY PRE-TREATED
WOOD OR GROUT AS NECESSARY
TO BLOCK ORIFICE /WEIR UP
EMBANKMENf---'
TO ELEV. T
SECONDARY SPILLWAY
WEIR ELEV.: C
PRIMARY SPILLWAY
INVERT ELEV. B
OUTLET
U-SHAPED STEEL BARREL: K
BRACKET ATTACHED
TO BASE WITH THREADED
ROD FILLED WITH GROUT
0
.7
7 J
OUTLET STRUCTURE
SECTION Y- Y
OUTLET STRUCTURE
INSTALL SLOPE PROTEC77ON MATTING
ON ALL SLOPES STEEPER 7HAN 6:1
AND FLOOR OF POND
OUTLET STRUCTURE TO BE LOCATED
OU MET 10' MIN. FROM EDGE OF PERMANENT
POOL WATER EDGE.
CONCR,
MANHOLE RING AND COVER
U-)
1 0
SOUR SIDE- T-- 1 - - # - -)
41 1
0
- T -- r_" 1--f-E
SLAB
BARS 8"0. C. E W.
8 -51011-
#4 REBAR 6- O.C. E. tit!
IN EACH OPENING
3-
ANCHOR REBAR
TO STRUCTURE
DIP DRAIN WITH GATE
VALVE AND HAND WHEEL.
ANCHOR TO OUTLET STRUCTURE. I L I
VAVLE TO BE OPEN DURING DOWELS SHALL BE #4
CONSTRUCTION. BARS 0 12" CENTERS
DIAMETER: R
BARREL OUTLET INVERT ELEV.., A 0 Cc
CL.
7
#5 BARS, 12- OCEW OUTLET STRUCTURE
SECTION X-
1
SEED & MULCH EMBANKMENT
SEE SEEDING SCHEDULE INSTALL SLOPE PROTECTION MATTING
ON ALL SLOPES Tppp�p
ABBOT, T,":-: S CREEK
PARK AND
ELEMENTARY SCHOOL
Iwo
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
20 NOV 12
1 3/28/13 2ND CONSTRUCTION SUB.
1- 3RD CONSTRUCTION SUB.
THAN 6.1
EMER. SPILLWAY CREST ELEV: F #57 WASHED STONE
PERMANENT BAFFLE FILTER DIAPHRAGM EMERGENCY SPILLWAY
CLASS V STONE OUTLET STRUCTURE CHIMNEY 3
D50=8" SEE DETAIL THIS 10' SHELF
4' SHEET. ZCOMPACTED T
- - - - - - PERMANENT POOL. OUTSIDE EDGE OF SHELF= PERM. POOL ELEV. (B) + 6-IN. SELECT FIL17 INSTALL S
FROM PIPE JOINT U HEADWALLIFES
EL E V.- 6 INSIDE EDGE OF SHELF= PERM. POOL EL
(D 0 ELEV. ('B') - 6-IN. SEE GRADING PLAN
000 S
2 O 000 MAIN POOL BARREL OUTLET - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2 INVERT ELEV.: A - - - - - - - -- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 0 0 0 POND BOTTOM U RCP W17H RUBBER GASKET (ASTM C-443) OUTLET BARREL: K OUTLET INV.
- -- --- - - - - -- -- - - - - -- ----- - - -- ------ - - -- ------------------------- ELEV.: H
-4
- - - - - - - - - - - - - - - - - - - - - - - - ---- - - - - - - - - - - - - -
F
'T
K
4. L4" TOPSOIL UNDER S
'*\-#57
6" IMPERVIOUS FILL ALL WATER SURFACES hnm (FLOWABLE CRADI FILL) u FILTER DIAPHRAGM WASHED STONE
LAYER UNDER ALL EMBANKMENT SHALL 13E CONSTRUCTED OF CLEAN STRUCTURAL SOIL, FREE OF
WATER SURFACES ROOTS, VEGETATION. ROCKS & OTHER OBJECTIONABLE MATERIAL. SCARIFY 4' f Y 7
SURFACES BEFORE PLACING FILL PLACE FILL IN 6-8 INCH LOOSE LIFTS,
COMPACT TO AT LEAST 95% OF THE STANDARD PROCTOR DENSITY. 2-FT DEEP CUT OFF TRENCH. OUTLET PROTECTION
IMPERVIOUS' LAYER TO BE INSTALLED UNDER ALL WATER SURFACES. REFER TO EXCAVATE TRENCH ALONG CENTERLINE SEE GRADING PLAN.
SPECIFICATION SECTIONS 312000 OF EMBANKMENT AND EXTEND INTO BOTH
ABUTMENTS TO AT LEAST THE ELEVATION
OF 7HE RISER CREST. AS-BUILT SURVEY REQUIREMENTS
POND AND EMBANKMENT SECTION NOM' CONTRACTOR SHALL PROWDE AS-BUILT TOPOGRAPHIC; SURVEY
PERFORMED BY A PROFESSIONAL LAND SURVEYOR CER71FYNG WT
DETENTION POND AREA DIMENSIONS AND CIEVA71ONS OF THE
24" FOLLOWING:
1. OUTLET STRUCTURE TOPS AND INVERM ORIFICE DIS. AMETERS, BARREL
PVC CAP 24" 24" PIPE SIZES AND INVERTS AND SMUCTUREDIMENSION
6" PVC 2. EMERGENCY SPILLWAY ELEVATION AND UMENSIONS.
3. TOPOGRAPHY THAT EXTENDS 20 FEET OUTSIDE LIMITS OF POND
PERFORATED PIPE
WATER SURFACE AND EMBANKMENT
(EACH SIDE)
BARREL PVCCAP 1157 WASHED
#57 WASHED STONE
STONE BARREL
WRAPPED IN SHEET
12" MIN. 12" MIN._ WRAPPED N
- 6" PVC FILTER FABRIC
SPRING LINE FILTER &BRIC PERFORATED PIPE
(EACH SIDE) BARREL 24" 24" SITE STORM WATER
CITY OF RALEIGH
BEND SPRING LINE
BARREL • CRADLE j.
DETAILS
(FLOWABLE FILL) ALL CONSTRUCTION MUST BE IN ACCORDANCE
#57 WASHED�,
6" PVC
STONE PERFORATED PIPE
EXTEND TO MAPPED IN (EACH SIDE), MTH ALL LOCAL, STATE, AND FEDERAL RULES
DOWNSTREAM FILTER FABRIC AND REGULATIONS.
EDGE OF
EMBANKMENT TRANSPORTATION SERVICES.
PUBLIC U-71UTIES.
SECTION S-S SEC77ON T -T STORM WA TER:
FILTER DIAPHRAGM CHIMNEY SECTION U- PLANNING, PROJECT
SCAM N.T.S. FIRF! NUMBER
PBC+L 1597
WET DETENTION POND 1 N. T. S. URBAN FORESTRY-

WETLAN) SCHEDULE
WETLAND NUMBER
2
3
DESCRIP7701Y
A (FT)
278.00
268.00
BARREL OUTLET ELEVATION
B (FT)
289.00
289.00
PRIMARY SPILL WA YIPERMANENT POOL ELEV.
C (FT)
290.00
290.00
SECONDARY SPILLWAY ELEVA77ON
D (FT)
291.80
291.00
RIM ELEVATION
E (FT)
293.72
292.42
TOP SLAB ELEVATION
F (FT)
292.60
291.80
EMERGENCY SPILLWAY CREST ELEVATION
G (FT)
294.00
293.00
TOP OF EMBANKMENT ELEVATION
H (FT)
274.00
263.00
INVERT OUT OF BARREL
I (FT)
4
3
OUTLET STRUCTURE INTERIOR WIDTH
J (FT)
4
3
OUTLET STRUCTURE INTERIOR LENGTH
K
88 LF 24*RCP
102 LF 18"RCP
OUTLET BARREL
L (FT)
16
12
EMERGENCY SPILLWAY WIDTH
M (IN)
8
24
SECONDARY SPILLWAY WDTH
N (IN)
18
12
THROAT OPENING HEIGHT
0 (IN)
8
6
CONCRETE BASE EXTENSION WIDTH
P (IN)
8
6
CONCRETE BASE EXTENSION THICKNESS
Q (IN)
zo
1.5
PRIMARY SPILLWAY ORIFICE
R (IN)
5
6
DRAIN VALVE DIAMETER
S (IN)
zo
1.5
SKIMMER ORIFICE
T (FT)
291.0
291.0
TEMPORARY SEDIMENT STORAGE ELEVATION
U (FT)
286.00
286.00
FOREBAYIMEP POOL BOTTOM ELEVATION
V (FT)
289.5
289.5
TOP INTERIOR EMBANKMEMT
W (FT)
288.5
288.5
BOTTOM SHALLOW WATER ELEVATION
X (FT)
29010
290.0
TOP SHALLOW LAND ELEVATION
Y (FT)
35
37
DISTANCE FROM CHIMNEY TO END OF BARRELIFES
1-YR STORM ELEV,
290.31'
290.12'
2- YR STORM ELEV.
290.63'
290,28'
10-YR STORM ELEV,
291.74'
290.94'
100-YR STORM ELEV.1
292.92'
t 291.57'
0
TEMPORARY FAIRCLOTH SKIMMER
SEE TEMPORARY SEDIMENT
SKIMMER BASIN DETAIL. CONNECT FLEXIBLE PIPE
T TO POND DRAIN. GATE STEPS
VALVE SHALL REMAIN L__�S
OPEN. REMOVE SKIMMER
ONCE POND IS NO LONGER
UTILIZED AS TEMPORARY
SEDIMENT BASIN.
SEE E
K
E
SKIMMER R
TEMPORARY
BASIN DETAIL. 'L I
TAIL' CON'
TO I
VALVE
OPEN.
U77L,
SEDIMENT
IMANHOLE RING AND COVER
FLEXIBLE PIPE
PRIMARY SPILLWAY ---J
DRILL OPENING IN END
CAP. DIAMETER: Q
8" 1 1
--W-- X
PLAN VIEW
77:'AADnPA)7V 1-AIPI'InTW CtelAlAlrl?
a
INSTALL SLOPE PROTEC77ON MATTING
ON ALL SLOPES STEEPER THAN 6:1
12'
TOP OF EMBANKMENT ELEV.: G
STONE ON FILTER FABRIC
EMERGENCY SPILLWAY SEC77ON
SCALE. N.T.S.
EMBANKMENT SECTION AT EMERGENCY SEIJLWAY
SCALE. N.T.S.
INSTALL SLOPE PROTECTION MATTING
ON ALL SLOPES STEEPER THAN 6:1
6'
TOP INTERIOR EMBANKMENT. V
SHALLOW WATER
uIr'la r*) I::%/' IN \l/\I/ ELEV., W
18" THICK CLASS 'B' 3_
STONE ON FILTER FABRIC
FOREBAYfGE,EP POOL WEIR SECTION
,5CALF. N. L5.
M
TOP SLAB ELEV. E
WET POND OUTLET
OPEN-THROAT YARD INLET
RIM ELEV. D
OUTLET CONNECT FLEXIBLE PIPE
BARREL: K TO POND DRAIN. GATE
VALVE SHALL REMAIN
OPEN. REMOVE SKIMM ER
LONGER
ONCE POND IS NO LONGER
EMBANKMENT
UTILIZED AS TEMPORARY
'Y
SEDIMENT BASIN.
6" DIP
BARREL OUTLET INVERT ELEV.: A
BOTTOM pSS= U EXTEND TO SLOPE---_;;;�
8
DIP DRAIN Wf_,7H GATE
OUTLET STRUCTURE NOTES:
VALVE AND HAND WHEEL.
ANCHOR TO CUTLET STRUCTURE.
1. ALL STRUCTURES OVER X-6" IN DEPTH TO
VA VLE TO BE OPEN DURING
BE PROVIDED WITH STEPS 1' -2" ON CENTERS.
CONSTRUCTION'.
STEPS SHALL BE IN ACCORDANCE WITH
DIAMETER: R
STANDARD 840.66.
2. LOCATE MANHOLE OVER STEPS.
FLANGED, NRS, RESILIENT WEDGE GATE
J. CLASS -A" (3,000 PSI) CONCRETE TO BE
VALVE K17H EXTENSION STEM, HAND
USED.
WHEEL AND STEM GUIDES AS
4. ALL MOTOR JOINTS ARE 112- ± 118-.
MAN1:)FACTURED BY CLOW OR APPROVED
5. GROUT SHALL BE NON-SHRINK (ASTM-C1107)
EQUAL.
6. CONCRETE BLOCK SHALL MEET NCDOT
SPECIFICATIONS SECTION 1040-2.
TOP OF EMBANKMENT ELEV: G'
FORE13A YIDEEP POM _WEIR PROFILE
SCALE: N.T.S.
SLAB
MANHOLE RING AND COVER
"0. C. E. W.
all
#4 REBAR 6- O.C. E.W.
IN EACH OPENI
EMBANKMENT
SLOPE
OUTLET STRUCTURE
SECTION Y-Y
OUTLET STRUCTURE
INSTALL SLOPE PROTECTION MATTING
ON ALL SLOPES STEEPER THAN 6:1
AND FLOOR OF POND IN
WET POND OUTLET
OPEN-THROAT YARD INLET
SECONDARY SPILLWAY
WEIR ELEV: C
PRIMARY SPILLWAY
INVERT ELEV.: B
DIP DRAIN WITH GATE
VALVE AND HAND WHEEL.
ANCHOR TO OUTLET STRUCTURE.
VAVLE TO BE OPEN DURING
CONSTRUCTION.
DIAMETER. R
BARREL OUTLET INVERT ELEV.: A
#5 BARS, 12- OCEM
18" THICK CLASS 'A'
STONE ON FILTER FABRIC
(ETLAND CONSTRUCTION SEQUENCE
ALL UlfIr-I'T IfMILAIVU IUfWr-UfVr_IVjl').
CALL FOR SITE INSPECTION PRIOR TO BACKFILLING WETLAND BARE
INSTALL TEMPORARY SKIMMER TO OUTLET STRUCTURE
EXCAVATE POND TO TEMPORARY SKIMMER BASIN DIMENSIONS, Sf-
EROSION CONTROL PLAN.
INSTALL BAFFLES AND OTHER TEMPORARY SKIMMER BASIN
COMPONENTS, SEE TEMPORARY SKIMMER BASIN DETAIL.
SEE CONSTRUCTION SEQUENCE ON EROSION CONTROL PLAN FOR
INFORMATION.
ONCE SITE IS APPROVED, REMCYE TEMPORARY SKIMMER, BAFFLE.
AND OTHER TEMPORARY COMPONENTS, EXCAVATE SEDIMENT AND
(IPAnr Tr) 171NA1 MNMIIWS SF' rPAniNr- PI AN
AJAAlLJr)f C 011%1/' A&If) te)%)r-D
OUTLET STRUCTURE
SECTION X-
I SLAB
BARS 8 "O. C. E, W.
0. C. E. W,
114 REBAR 6
IN EACH OPENING
ANCHOR REBAR
TO STRUCTURE
DOWELS SHALL BE #4
BARS 0 12" CENTERS
SEED & MULCH EMBANKMENT
OUTLET t SEE SEEDING SCHEDULE INSTALL SLOPE PROTECTION MATTING
ON ALL SLOPES STEEPER THAN 6.1
EMER. SPILLWAY CREST ELEV.: F EMERGENCY SPILLWAY
4$ MIN. 4' MIN. OUTLET STRUCTURE\ 3-
SHALLOW LAND S;=- DETAIL THIS
TOP INTERIOR EMBANKMENT' V E". 8 TOP INTERIOR EMBANKMENT. V Sr -EET. 1157 WASHED STONE 3
PERMANENT POOL PERMANENT POOL ZCOMPACTED FILTER DIAPHRAGM HEADWALLIFES
- - - - - - - - - SELECT Fld7 CHIMNEY T SEE GRADING PLAN
ELEV. Ei MR ELEV: W I SHALLOW WATER. W llr� WEIR ELEV. W ELEV. B INSTALL 2-FT
3 BARREL OUTLET FROM PIPE JOINT u
INV ELEV.: A
-S
FOREBA Y DEEP POOL
M!e5 1 - - - - -- - - - - - - - - - - - - - - - - - - - - ----- - - - --- - -- - - - --- - - - - - - - - - - - - - - - - - - - - --- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --
3
:5ER� 8QW In-4
SEE FOREBA Y 14( :1 RCP WITH RUBBER GASKET (ASTM C-443)
OUTLET BARREL: K OUTLET IN
- - - - - - - - - - - -- - - - - - - - - - - - - - - - -- - - -- - -- - - - - - - - -° - - - -- - - -- - - - - - - - - - - - ELEV.. H
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
FORE BOTTOM U U
W": E
EMBANKMENT SHALL BE CONSTRUCTED OF CLEAN OF
14- -s Z_ 1. 11 A
WEIR SECTION R DEEP POOL
Ifla R e BOTTOM= NOTE
N STRUCTURAL '\-
ROOTS, VEGETA770N, ROCKS & OTHER OBJECTIONABLE MATERIAL. U #57 WASHED STONE SCARIFY CRADI F
SURFACES BEFORE PLACING FILL. PLACE FILL IN 6-8 INCH LOOSE LIFTS. (PLOWABLE FILL) 1 FILTER DIAPHRAGM
COMPACT TO AT LEAST 95% OF THE STANDARD PROCTOR DENSITY.
4p 1 Y
1 1
IMPERVIOUS LAYER TO BE INSTALLED UNDER ALL WATER SURFACES. REFER TO I I OUTLET PROTECTION
SPECIFICATION SECTIONS 312000 \\-2-FT DEEP CUT OFF TRENCH. SEE GRADING PLAN.
EXCAVATE TRENCH ALONG CENTERLINE
OF EMBANKMENT AND EXTEND INTO BOTH AS-BUILT SURVEY REQUIREMENTS
ABUTMENTS TO AT LEAST THE ELEVATION
POND AND EMBANKMENT SEC77ON OF THE RISER CREST. NOTE-- CONTRACTOR SHALL PRCWDE AS-BUILT TOPOGRAPHIC SURVEY
PERFORMED BY A PROFESSIONAL LAND SURVEYOR CERTIFYING WET
WETLAND WAIN TENANCE SCHEDULE DETENTION POND AREA DIMENSIONS AND ELEVATIONS OF THE
FOLLOWING:
PVC CAP 24' 24 1. OUTLET STRUCTURE TOPS AND INVERTS; ORIFICE DIAMETERS: BARREL
DESCRIPTION METHOD FREQUENCY SEASON DESCRIP77ON METHOD FREQUENCY SEASON 6" PVC it - -
I I I I I I PIPE SIZES AND INVERTS AND STRUCTURE DIMENSIONS.
EMBANKMENT PLANTS PERFORA TED PIPE ry 2. EMERGENCY SPILLWAY ELEVATION AND DIMENSIONS.
(EACH SIDE) 3. TOPOGRAPHY THAT EXTENDS 20 FEET OUTSIDE LIMITS OF POND
INSPECT AND REPAIR VISUAL ANNUALLY ALL REPLACE ANY DEAD OR SEE PLAN77NG TWICE PER YEAR MAR 15 - APR 30 BARREL #57 WASHED PVC CAP 1157 WASHED WATER SURFACE AND EMBANKMENT
EROSION i ANIMAL NESTINGS STONE
DISEASED VEGETA77ON SPECIFICATIONS OCT I - NOV 30 STONE BARREL
WRAPPED IN
CONSIDERED BEYOND 12 MIN. 12 MIN. WRAPPED FILTER FABRIC
OUTLET. STRUCTURE TREATMENT D IN 6" PVC SHEET
SPRING LINE FILTER FABRIC PERFORATED PIPE -
DEBRIS f OBSTRUC TIONS BY HANG WHENEVER NEEDED ALL TREAT ALL DISEASED MECHANICAL WHENEVER NEEDED ALL (EACH SIDE) BARREL
PLANTS NOT 1*0 BE REMOVED OR BY HAND SITE
BEND 24" 24" E STORM WATER
CITY OF RALEIGH
BY HAND SPRING
WATER PLANT MATERIAL IMMEDIATELY AFTER NIA LINE
CRADLE BARREL
FOREBAY DEEP POOL
AND END OF EACH DAY COMPLETION OF (FLOWABLE FILL) ;�57 WASHED- r," PVC DETAILS
IL41, FOR 14 CONSECUTIVE PROJECT It
SEDIMENT / DEBRIS BY HAND WHEN 112 FULL OF SEDIMENT ALL DAYS AFTER PLANTING EXTEND TO CN STONE
I z DOWNSTREAM WRAPPED IN
CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTENANCE UN77L SUBSTANTIAL COMPLETION REPLACE SUPPORT BY HAND ONCE PER YEAR SPRING :z EDGE OF FILTER FABRIC
WILL ASSUME MAINTENANCE RESPONSIBILITY. STAKES I 1� EMBANKMENT
AT WHICH TIME OWNER V C-4
LANDSCAPE WARRAN77ES SHALL APPLY TO STORMWATER WETLAND PLAN77NGS REPLACE DEFICIENT BY HAND WHENEVER NEEDED ALL
STAKES OR WIRES
I SECTION 5-S SEC 71ON T­ T
ABBOTU!'S CREEK
PARK AND
ELEMENTARY SCHOC�"
DURANT ROAD
RALEIGH, NO 27614
ARCHITECT
DETENTION WETLAND 2 & 3
FILTER DIAPHRAGM CHIMNEY
SCALE, N. TS.
N. T. S.

DEEP POOL
*80
I
-DETENTION INELLANQ 2
WETLAND PLAN77NG - DUENTION WETLAND NO. 2
UOURT"fawl
KEY
QTY
PLANT NAME
SIZE
......
7
POND CYPRESS
7-GAL
..
JUNCUS EFFUSUS - SOFT RUSH
TAXODIUM ASCENDONS
CONT
0
7
RIVER BIRCH
7-GAL,
7,272 SF
HIBISCUS MOSCHEUTOS - MARSH H1131SCUS
BETULA NIGRA
CONT
0
7
BALD CYPRESS
7-GAL.
IN THE FELD.
ORON77CUM AQUA77CUM - GOLDEN CLUB
TAXODIUM DISUCHUM
CONT.
(50 HERBACEOUS / 200 Sf
7
WATER TUPELO
7-GAL.
1,050 MIN.)
N YSSA AQUA77CA
CONT.
3 GALLON CONTAINERS
7
SWAMP CHESTNUT OAK
7 -GAL.
HERBACEOUS / 200 SF
ILEX VERTICiLLATA - WINTERBERRY
QUERCUS MICHAUXII
CONT.
1 TREE / 200' - SHALLOW LAND
SHALLOW WATER PLANT LIST
KEY
PLANT NAME
QTY.
REMARKS
......
IRIS NELSONII - NELSON'S IRIS
400
LARGE PLUGS CUBIC
..
JUNCUS EFFUSUS - SOFT RUSH
400
INCHES)
..
NUP14AR LUTEUM - SPADDERDOCK
PELTANDRA VIRGINIANA - ARROW ARUM
400
400
LANDSCAPE ARCH17ECT
TO APPROVE LOCATIONS
7,272 SF
HIBISCUS MOSCHEUTOS - MARSH H1131SCUS
PONTEDERIA CORDATA - PICKEREL WEED
400
IN THE FIELD.
5
SAGITTARIA LANCIFOLIA - NARROWLEAF SAGITT
400
IN THE FELD.
ORON77CUM AQUA77CUM - GOLDEN CLUB
SAURURUS CERNUUS - LIZARDS TAIL
400
(50 HERBACEOUS / 200 Sf
3
SCHOENOPLECTUS TABERNAEA40NTANI - SOFT
400
1,050 MIN.)
STEM BULRUSH
CONT.
3 GALLON CONTAINERS
F1,
SWAMP CHESTNUT OAK
I1 3,200 TOTALj(88
HERBACEOUS / 200 SF
ILEX VERTICiLLATA - WINTERBERRY
QUERCUS MICHAUXII
PLANTS
j3i200 TOTAL)
SCALE: lm-40'
NOTE NETLAND AREA SHALL BE DRAINED:
ONE DAY PRIOR TO PLANTING.
KEY
QTY
PLANT NAME
SIZE
......
5
POND CYPRESS
7-GAL
..
JUNCUS EFFUSUS SOFT RUSH
TAXODIUM ASCENDONS
CONT.
..
5
RIVER BIRCH
7-GAL
3,B90 SF
HIBISCUS MOSCHEUTOS - MARSH H1131SCUS
BETULA NIGRA
CONT.
O
5
BALD CYPRESS
7-GAL.
IN THE FELD.
ORON77CUM AQUA77CUM - GOLDEN CLUB
TAXODIUM DISTICHUM
CONT.
(50 HERBACEOUS / 200 Sf
3
WATER TUPELO
7-GAL.
1,050 MIN.)
NYSSA AQUA71CA
CONT.
3 GALLON CONTAINERS
F1,
SWAMP CHESTNUT OAK
7-GAL.
(BS HERBACEOUS / 200
ILEX VERTICiLLATA - WINTERBERRY
QUERCUS MICHAUXII
CONT.
1 TREE / 200' - SHALLOW LAND
SHALLOW WATER PLANT LIST
KEY
PLANT NAME
QTY.
REMARKS
......
IRIS NELSON/I - NELSON'S IRIS
214
LARGE PLUGS (CUBIC
..
JUNCUS EFFUSUS SOFT RUSH
214
INCHES)
..
NUPHAR LU7EUM SPADDERDOCK
PELTANDRA WRGINIANA ARROW ARUM
214
214
LANDSCAPE ARCHITECT
TO APPROVE LOCA77ONS
3,B90 SF
HIBISCUS MOSCHEUTOS - MARSH H1131SCUS
PONTEDERIA CORDATA PICKEREL WEED
214
IN 774E FIELD.
IRIS VIRGINIANA, - BLUE FLAG
SAGITTARIA LANCIFOLIA NARROKEAF SAGITT.
214
IN THE FELD.
ORON77CUM AQUA77CUM - GOLDEN CLUB
SAURURUS CERNUUS - LIZARD'S TAIL
214
(50 HERBACEOUS / 200 Sf
SCIRPUS PUNGENS - COMMON THREE SQUARE
SCHOENOPLECTUS TABERNAEMONTANI - SOFT
214
1,050 MIN.)
STEM BULRUSH
1,750 MtM)
3 GALLON CONTAINERS
F1,
250
712 TOTAL
(BS HERBACEOUS / 200
ILEX VERTICiLLATA - WINTERBERRY
250
LANDSCAPE ARCHITECT
PLANTINGS
WETLAND SOIL MIX
ADD 4" OF TOPSOIL THROUGHOUT STORMWA7ER WETLAND AREA. TOPSOIL SHALL BE PLACED
WITHIN THE SHALLOW LAND, SHALLOW WATER AND DEEP POOL AREAS AND ADHERE TO THE
FOLLOWING REQUIREMENTS.
1. THE SOIL MUST BE UNIFORM AND FREE OF STONES, STUMPS, ROOTS, OR OTHER SIMILAR
MATERIAL GREATER THAN 2 INCHES.
2. SOIL TEXTURE SHALL BE A LOAMY SAND, WITH NO MORE THAN 10% CLAY (USDA SOIL
TEXTURAL CLASSIFICATION).
3. A MINIMUM ORGANIC CONTENT OF 10X BY DRY WEIGHT.
4. THE PH SHALL BE BETWEEN 5.5 AND ZO.
SCALE- 1"--40'
6101WWRES 'IT#
KEY
PLANT NAME
QTY
ROJARKS
......
CAREX STRICTA - TUSSOCK SEDGE
250
LARGE PLUGS (CUBIC
..
EUPATORIUM FISTULOSUS - JOE PYE WEED
250
INCHES)
..
HELIAN774US ANGUS71FOLIUS - SWAMP SUNFLOWER
250
LANDSCAPE ARCHITECT
......
HIBISCUS MOSCHEUTOS - MARSH H1131SCUS
250
TO APPROVE LOCA77ONS
7,000 SF
IRIS VIRGINIANA, - BLUE FLAG
250
IN THE FIELD.
IN THE FELD.
ORON77CUM AQUA77CUM - GOLDEN CLUB
250
6
(50 HERBACEOUS / 200 Sf
SCIRPUS PUNGENS - COMMON THREE SQUARE
250
(50 HERBACEOUS f 200 Sf
1,050 MIN.)
150 TOTAL
1,750 MtM)
3 GALLON CONTAINERS
CEPHALAN714US OCCIOIENTALIS - BUTTONBUSH
250
3 GALLON CONTAINERS
SUPPLEMENTAL
ILEX VERTICiLLATA - WINTERBERRY
250
LANDSCAPE ARCHITECT
PLANTINGS
ITEA VIRGINICA SWEETSPIRE
250
TO APPROVE LOCATIONS
IN THE FIELD.
(THESE PLANTS ARE IN ADDITION TO TREES
IN THE FIELD.
(THESE PLANTS ARE IN ADDITION TO TREES
2,500 TOTAL
SHOWN ON THE PLAN)
PLANTS
DEEP POOL 'A' PLANT LIST
KEY
PLANT NAME
QTY
REMARKS
......
SAGITTARIA LA77FOLIA DUCK POTATO
25
LARGE PLUGS (CUBIC
..
NUPH AR LUTEUM - SPADDERDOCK
25
INCHES)
..
HYMENOCALIS LIROSOME - SPIDERLILY (BULBS-
25
LANDSCAPE ARCHITECT
......
PLANT IN 2' OR LESS DEPTH OF WATER)
IRIS WRGINIANA - BLUE FLAG
TO APPROVE LOCATIONS
1,500 SF
ELODEA CANADENSIS _• WA7ERWEED
25
IN THE HELD.
IN THE FELD.
NAJAS GUADALUPENSIS * - SOUTHERN NAIAD
25
6
(50 HERBACEOUS / 200 Sf
LEMNA SPP. - DUCKWEED
25
6
1,050 MIN.)
150 TOTAL
36 TOTAL
3 GALLON CONTAINERS
SUPPLEMENTAL
ILEX VERTIC[LLATA - AINTERBERRY
PLANTS
DEEP POOL 7 PLANT LIST".
KEY
PLANT NAME
QTY,
REMARKS
6/27/13
SAGITTARIA LA77FOLIA , DUCK POTATO
6
LARGE PLUGS CUBIC
NUP14AR LUTEUM - SPADDERDOCK
6
INCHES)
.
HYMENOCALIS LIROSOME SPIDERLILY (BULBS-
6
LANDSCAPE ARCHITECT
........
PLANT IN 2' OR LESS, DEPTH OF WATER)
IRIS WRGINIANA - BLUE FLAG
TO APPROVE LOCATIONS
IN THE FIELD.
380 SF
ELODEA CANADENSIS. - W47ERWEED
6
IN THE FELD.
NAJAS GUADALUPENSIS - SOUTHERN NAIAD
6
(50 HERBACEOUS / 200 Sf
LEMNA SPP. DUCKWEED
6
1,050 MIN.)
CEPHALANTHUS OCCIDENTALIS - BUTTONBUSH
36 TOTAL
3 GALLON CONTAINERS
SUPPLEMENTAL
ILEX VERTIC[LLATA - AINTERBERRY
PLANTS
LANDSCAPE ARCHITECT
WET[AND SOIL MIX
ADD 4" OF TOPSOIL THROUGHOUT STORMWATER WETLAND AREA. TOPSOIL SHALL BE PLACED
WITHIN THE SHALLOW LAND, SHALLOW WATER AND DEEP POOL AREAS AND ADHERE TC, THE
FOLLOWING REQUIREMENTS.
1. THE SOIL MUST BE UNIFORM AND FREE OF STONES, STUMPS, ROOTS, OR OTHER SIMILAR
MATERIAL GREATER THAN 2 INCHES.
2, SOIL TEXTURE SHALL BE A LOAMY SAND, WITH NO MORE THAN 10% CLAY (USDA SOIL
TEXTURAL CLASSIFICATION).
3. A MINIMUM ORGANIC CONTENT OF IOX BY DRY WEIGHT.
4. THE PH SHALL BE BETWEEN 5.5 AND 7.0.
KEY
PLANT NAME
QTY,
REMARKS
6/27/13
CAREX STRICTA - TUSSOCK SEDGE
150
LARGE PLUGS (CUBIC
EUPATORIUM F1S7U1_OSUS - JOE PYE WEED
150
INCHES)
.......
HELIANTHUS ANGUS77FOLIUS - SWAMP SUNFLOWER
HIBISCUS MOSCHEUTOS - MARSH HIBISCUS
150
150
LANDSCAPE ARCHITECT
TO APPROVE LOCA770NS
4,200 SF
IRIS WRGINIANA - BLUE FLAG
150
IN THE FIELD.
ORON71COM AQUA71CUM - GOLDEN CLUB
150
SC(RPUS PUNGENS - COMMON THREE SQUARE
150
(50 HERBACEOUS / 200 Sf
72 TOTAL
1,050 MIN.)
CEPHALANTHUS OCCIDENTALIS - BUTTONBUSH
150
3 GALLON CONTAINERS
SUPPLEMENTAL
ILEX VERTIC[LLATA - AINTERBERRY
150
LANDSCAPE ARCHITECT
PLANTINGS
17EA VIRGINICA - SWEETSPIRE
150
TO APPROVE LOCATIONS
IN THE FIELD.
(THESE PLANTS ARE IN ADDITION TO TREES
1,834 TOTAL
SHOWN ON THE PLAN)
PLANTS
DEEP POOL 'A' PLANT LIST
KEY
PLANT NAME
QTY.
REMARKS
6/27/13
SAGITTARIA LA77FOLIA - DUCK POTATO
12
LARGE PLUGS (CUBIC
NUPHAR LUTEUM - SPADDERDOCK
12
INCHES)
.......
HYMENOCALIS LIROSOME - SPIDERLILY (BULBS-
PLANT IN 2' OR LESS DEPTH OF WATER)
12
LANDSCAPE ARCHITECT
TO APPROVE LOCA77ONS
760 SF
ELODEA CANADENSIS - WATERWEED
12
IN THE FIELD.
NAJAS GUADALUPENSIS - SOUTHERN NAIAD
12
LEMNA SPP. - DUCKWEED
12
72 TOTAL
PLANTS
DEEP POOL 18' PLANT LIST
KEY
PLANT NAME
QTY,
REMARKS
6/27/13
SAGITTARIA LA77FOLIA - DUCK POTATO
5
LARGE PLUGS CUBIC
NUPHAR LUTEUM SPADDERDOCK
5
INCHES)
.......
HYMENOCALIS LIROSOME - SPIDERLILY (BULBS-
PLANT IN 2' OR LESS DEPTH OF WATER)
5
LANDSCAPE ARCHITECT
TO APPROVE LOCA71ONS
300 SF
ELODEA CANADENSIS - WATERWEED
5
IN THE FIELD.
NAJAS GUADALUPENSIS - SOUTHERN NAIAD
5
LEMNA SPP, - DUCKWEED
5
30 TOTAL
PLANTS
400 ,Regency Forest Drive
Suite 120
Cary, North Carolina 27518
Phone: (919). 319-6716
Fax: [phone]
LA: C -106
PEI. C-1595
SUBMITTAL
INFRASTRUCTURE
CONSTRUCTION PLAIN
REVIEW
20 NOV 12
3/28/13
2ND
CONSTRUCTION
SUB.
6/27/13
3RD
CONSTRUCTION
SUB.

ABBOTTS CREEK
PARK AND
El FMENTARY SCHOOL
ARCHITECT
H +
A PP. - B11 T E L U R E
C
SEALS
aq 11 1181110'J",
CARO
953
CONSULTANT
A
Jz-1
SUBMITTAL
C .*LH DESIGN, P.A
400 Regency Forest Drive
Suite 120
Cary, North Carolina, 27518
Ph6ne: [phone]
Fax. [phone]
LA: C-106
PE: C-1595
INFRASTRUCTURE
CONSTRUCTION PLAN
REVIEW
20 NOV 12
1 3/28/13 2ND CONSTRUCTIONSUB.
1 6/27/13 3RD CONSTRUCTION S08-.-I!
SHEET
I7 IA71ITTIM LOT
IMPERVIOUS SURFACE
AREA APPENDIX