20080845 Ver 1_More Info Received_20080602

STEWART
LETTER OF TRANSMITTAL
TO
I1-' " "' `who
.iUN 2 2008
DENk • WATER UUAUTY
WETLANDS AND STORMWATER BRANCH
FROM
Cyndi Karoly, Supervisor Ryan Hambleton
401 Oversight/Express Review Permitting
Project Mamger
Unit
2321 Crabtree Boulevard, Suite 250 (919) 8664819
Raleigh, NC 27699
919-733-1786
DATE SENT VIA
May 30, 2008 Hand Delivery
PROJECT NUMBER PROJECT NAME
C7005 White Deer Park
COPIES DATE DESCRIPTION
5 5/30/08 supplemental plan sheets
5 5/30/08 Revised PCN
5 5/30/08 Revised SIA
1 5/30/08 Application Fee of 240.00
For approval For review & comment Returned for corrections
For your use E] Approved as submitted Returned after review
As requested Approved as noted Resubmit copies for approval
COMMENTS
Cyndi, attached is the additional information you requested. Please do not hesitate
to call if you have any questions. Thanks.
Ryan
SIGNED
COPIED TO
ENGINEERING. INNOVATION. SOLUTIONS" 421 FAYETTEVILLE STREET RALEIGH, NC T 919.380.8750
SUITE 400 27601 F 919.380.8752
www.stawart-ong.com
S
S T E WA R T May 30, 2008
Cyndi Karoly
401 Oversight/Express Review Permitting Unit
NCDENR - Division of Water Quality
2321 Crabtree Blvd, Suite 250
Raleigh, NC 27604
Re: White Deer Park Buffer Encroachment re-submittal
DWQ Project # 08-0845
Ms. Karoly,
Please find enclosed the resubmittal of the DWQ PCN for buffer encroachment of the
White Deer Park Project, located in Garner, NC. Included in the package is a
revised PCN, a revised SIA (with additional pond information), and additional plan
sheets to be added to the package, and an application fee for $240.00 for project
impacts of less than an acre and less than 150 linear feet of stream.
Per a conversation with Ian Mcmillan I am adding a request for approval on this
project of a section 404 permit and 401 water quality certification due to the fact
that we are crossing an intermittent stream and impacting the stream channel.
Additionally I've included the BMP details and calculations along with a diffuse flow
narrative and calculations for stormwater review.
Sincerely,
Ryan A. Hambleton, PE
Project Engineer
Rhambleton0stewart-eng.com
Enclosures
ENGINEERING. INNOVATION. SOLUTIONS.T" 421 FAYETTEVILLE STREET RALEIGH, NC T 919.380.8750
SUITE 400 27601 F 919.380.8752

Office Use Only: Form Version March 05
USACE Action ID No. DWQ No. 0 8 - o 8 `} S
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. Processing U'
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 ? Express 401 Water Quality Certification
Buffer Authorization
2. Nationwide, Regional or General Permit Number(s) Requested: NATIONWIDE #39
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ?
4. If payment into the North Carolina Ecosystem Enhancement Program (NCEEP) is proposed
for mitigation of impacts, attach the acceptance letter from NCEEP, complete section VIII,
and check here: ?
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: ?
II. Applicant Information Nk(_r1_-_371 PR 0 v 1
JUN 2 2008
1. Owner/Applicant Information
Name: Town of Garner Hardin Watkins (Town Mana e NR - WATER QUAUTY
Mailing Address: PO Box 446 WCH
Garner NC 27529
Telephone Number: 191-772-4688 Fax Number: 919-662-5135
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: 13ri0.-% YETn Starkey
Company Affiliation: OBS Landscape Architects
Mailing Address: 306/200 Parham St.
Raleigh NC 27601
Telephone Number: 919-755-0046 Fax Number: 919-755-0930
E-mail Address: Obs-BStarkeygmindspring.com
Updated 11/1/2005
III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local
landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property
boundaries and development plans in relation to surrounding properties. Both the vicinity map
and site plan must include a scale and north arrow. The specific footprints of all buildings,
impervious surfaces, or other facilities must be included. If possible, the maps and plans should
include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property
boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion,
so long as the property is clearly defined. For administrative and distribution purposes, the
USACE requires information to be submitted on sheets no larger than 11 by 17-inch format;
however, DWQ may accept paperwork of any size. DWQ prefers fall-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: White Deer Park
2. T.I.P. Project Number or State Project Number (NCDOT Only):
3. Property Identification Number (Tax PIN): 01710-03-5130
4. Location
County: Wake County Nearest Town: Garner
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): Located at the
intersection of Aversboro Rd (SR 2710) and Buffaloe Rd (SR 2715)
5. Site coordinates (For linear projects, such as a road or utility line, attach a sheet that
separately lists the coordinates for each crossing of a distinct waterbody.)
Decimal Degrees (6 digits minimum): 30-40'-43" ON 78-37'-31" °W
6. Property size (acres): 96.3 Acres
7. Name of nearest receiving body of water: Swift Creek
8. River Basin: Neuse
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://h2o.enr.state.nc.us/admin/maps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: Undeveloped property, wooded and open area's adjacent to
residential development.
Updated 11/1/2005
n L .. r 1 I
10. Describe the overall project in detail, including the type of equipment to be used: Municipal
Park and Nature Center building with associated parking utilities recreation elements and
educational elements relating to sustainability (ie Bio-Retention Ponds)..
11. Explain the purpose of the proposed work: Park
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.
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.
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. Each impact must be
listed separately in the tables below (e.g., culvert installation should be listed separately from
riprap dissipater pads). Be sure to indicate if an impact is temporary. All proposed impacts,
permanent and temporary, must be listed, and must be labeled and clearly identifiable on an
accompanying site plan. All wetlands and waters, and all streams (intermittent and perennial)
should be shown on a delineation map, whether or not impacts are proposed to these systems.
Wetland and stream evaluation and delineation forms should be included as appropriate.
Photographs may be included at the applicant's discretion. If this proposed impact is strictly for
wetland or stream mitigation, list and describe the impact in Section VIII below. If additional
space is needed for listing or description, please attach a separate sheet.
I . Provide a written description of the proposed impacts: Impact 1 (Uknown stream -
Widen existing roadway crossing from 25' crossing to 92' wide road crossing w/ culvert for
access roadway. Impact 2 (Uknown Stream) - Water line crossing Impact 3 (Unknown
Stream) - Improve existing culvert crossing for Greenway crossing w/ culvert. Impact 4 (
Reedy Creek) proposed greenway constructed on top of existing utility maintenance road
(see attached letter from City of Raleigh)
Updated 11/1/2005
T...... 7 ..r 11
2. Individually list wetland impacts. Types of impacts include, but are not limited to
mechanized clearing, grading, fill, excavation, flooding, ditching/drainage, etc. For dams,
separately list impacts due to both structure and flooding.
Wetland Impact Type of Wetland Located within Distance to Area of
Site Number Type of Impact (e.g., forested, marsh, 100-year Nearest Impact
(indicate on map) herbaceous, bog
etc.) Floodplain Stream (acres)
, es/no) (linear feet)
N/A N/A N/A N/A N/A N/A

Total Wetland Impact (acres)
3. List the total acreage (estimated) of all existing wetlands on the property:
4. Individually list all intermittent and perennial stream impacts. Be sure to identify temporary
impacts. Stream impacts include, but are not limited to placement of fill or culverts, dam
construction, flooding, relocation, stabilization activities (e.g., cement walls, rip-rap, crib
walls, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is proposed,
plans and profiles showing the linear footprint for both the original and relocated streams
must be included. To calculate acreage, multiply length X width, then divide by 43,560.
Stream Impact Average Impact Area
Number Stream Name Type of Impact Perennial or Stream Width Length of
(indicate on map) Intermittent? Before Impact (linear feet) Impact
(acres)
2' .24-
92' total - .036 ac
Culvert Crossing at 21' (existing (existi
1 Unknown existing culvert Intermittent culvert ng
crossing crossing) = culvert
72
0.20
Water Line 2'
2 Unknown installation Intermittent 10' .03
3 Unknown Culvert Crossing Intermittent 2' 48' .1
4* Reedy Creek Greenway 0 .38

Total Stream Impact (by length and acreage)
4* - Impact 4 is adjacent to the stream along the Zone 2 and Zone 1 area of the stream buffer.
This is a proposed Greenway installed on top of an existing sanitary sewer easement and
maintenance road and does not cross the stream.
5. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.). Open water impacts include, but are not limited to
fill, excavation, dredging, flooding, drainage, bulkheads, etc.
Open Water Impact Name of Waterbody
Type of Impact Type of Waterbody Area of
Site Number (if a licable) lake and estuary, sound,
bay,
Im act
Updated 11/1/2005
n..,._ o _r 1,)
(indicate on ma) ocean, etc.) (acres)
N/A N/A N/A N/A N/A

Total Open Water Impact (acres)
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Unknown Stream (Impact 1, 2, 3)
Stream Impact (acres): .33
Wetland Impact (acres): 0
Open Water Impact (acres): 0
Total Impact to Waters of the U.S. (acres) .37
Total Stream Impact (linear feet): 130
Reedy Creek (Impact 4)
Stream Impact (acres): .38
Wetland Impact (acres): 0
Open Water Impact (acres): 0
Total Impact to Waters of the U.S. (acres) .38
Total Stream Impact (linear feet): 0
7. Isolated Waters
Do any isolated waters exist on the property? ? Yes ® No
Describe all impacts to isolated waters, and include the type of water (wetland or stream) and
the size of the proposed impact (acres or linear feet). Please note that this section only
applies to waters that have specifically been determined to be isolated by the USACE.
N/A
8. Pond Creation N/A
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
Describe the method of construction (e.g., dam/embankment, excavation,
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Current land use in the vicinity of the pond:
Size of watershed draining to pond: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
? wetlands
installation of
Updated 11/112005
n n -r I

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. The proposed stream crossings
for the access road and greenway are utilizing existing culvert crossings and are proposed to be
improved and widened as necessary to install the access road (impact 1 and the egr enway
(Impact 3). The site has a total of 4% impervious and does not require any stormwater BMPs,
but we are including two bio-retention ponds for educational purposes. The proposed Greenway
(Impact 4 is proposed to be constructed on an existing maintenance road.
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete.
An applicant may also choose to review the current guidelines for stream restoration in DWQ's
Draft Technical Guide for Stream Work in North Carolina (see DWQ website for most current
version.).
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 (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction. Please attach
a separate sheet if more space is needed.
Updated 11/1/2005

2. Mitigation may also be made by payment into the North Carolina Ecosystem Enhancement
Program (NCEEP). Please note it is the applicant's responsibility to contact the NCEEP at
[phone] to determine availability, and written approval from the NCEEP indicating
that they are will to accept payment for the mitigation must be attached to this form. For
additional information regarding the application process for the NCEEP, check the NCEEP
website at http://www.nceep.net/pages/inliell eplace.htm. If use of the NCEEP is proposed,
please check the appropriate box on page five and provide the following information:
Amount of stream mitigation requested (linear feet):
Amount of buffer mitigation requested (square feet):
Amount of Riparian wetland mitigation requested (acres):
Amount of Non-riparian wetland mitigation requested (acres):
Amount of Coastal wetland mitigation requested (acres):
IX. Environmental Documentation (required by DWQ)
Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federal/state) land? Yes ® No ?
2. If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NF,PA/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
3. If yes, has the document review been finalized by the State Clearinghouse? If so, please
attach a copy of the NEPA or SEPA final approval letter. Yes ? No ?
X. Proposed Impacts on Riparian and Watershed Buffers (required by DWQ)
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
required state and local buffers associated with the project. The applicant must also provide
justification for these impacts in Section VII above. All proposed impacts must be listed herein,
and must be clearly identifiable on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
1. Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify ( Neuse )? Yes ® No ?
Updated 11/1/2005
2. If "yes", 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.
Unknown Stream
Zone* s uImpct are feet) Multiplier Mihu t Uri
1 7962 3 (2 for Catawba) NO
2 4002 1.5 NO
Total 11967 NO
* Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
Reedy Creek
Zone* (Impct
uarefeet)
Multiplier
Mitig t on
1 2704 3 (2 for Catawba) NO
2 14263 1.5 NO
Total 16967 NO
/-one i extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration / Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 15A NCAC 2B .0242 or .0244, or .0260. N/A
XI. Stormwater (required by DWQ)
Describe impervious acreage (existing and proposed) versus total acreage on the site. Discuss
stormwater controls proposed in order to protect surface waters and wetlands downstream from
the property. If percent impervious surface exceeds 20%, please provide calculations
demonstrating total proposed impervious level. Impervious area = 4.6% of total site. During
Construction - silt fences and sediment trans. Post Construction - Bio-retention ponds. Cistern
at buildings, and minimize impervious area and clearing of existing trees
XII. Sewage Disposal (required by DWQ)
Updated 11/1/2005
n___ In -ell

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.
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H.0500) or any Buffer Rules?
Yes ? No
Is this an after-the-fact permit application? Yes ? No
XIV. Cumulative Impacts (required by DWQ)
Will this project (based on past and reasonably anticipated future impacts) result in additional
development, which could impact nearby downstream water quality? Yes ? No
If yes, please submit a qualitative or quantitative cumulative impact analysis in accordance with
the most recent North Carolina Division of Water Quality policy posted on our website at
http://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: This
project is a low impact small education park which is not anticipated to generate other
development nearby. The portion of the site to be developed and main entrance along Aversboro
is surrounded by existing developments of single family homes and an existing park (Lake
Benson Park). The other surrounding parcels which are undeveloped cannot gain access to the
park area because of the existing streams.
XV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
/° &+^ q r? a y 2 ?'' s d 8
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Updated 11/1/2005
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Revisions
Np, Description Date
~ DWQ BUFFER SUBMITTAL 5/20/08
2 DWQ BUFFER RESUBMITTAL 5/29/08
GRADING LEGEND
-EXISTING CONTOURS
BIO RETENTION AREA TABLE - PROPOSED CONTOURS
- - - - -LIMITS OF .DISTURBANCE
White Deer -PROPOSED STORM DRAINAGE PIPES Date Issued:
Park Bioretention
Areas Scale 1 "=50'
Drawn by: ACP
Riser Underdrain Outlet Pipe
Pond Checked by: RAH
finished Top of Bank ID Length (ft) Width (ft) Grade Elevation (Ft) Side Slope:1 Top EL Invert EL Invert EL Diam (in) Material 10-yr WSEL 10-yrWSEL 100-yrWSEL Sheet N0.
A 120 10 276.67 277.67 3 277.42 272.42 272.59 15 RCP 277.56 277.56 277.x1 GRAPHIC SCALE
B 120 10 276.67 277.67 3 277.42 272.1 272.59 18 RCP 277.58 277.58 277.63 ~ o ~o ~o ~o eo
C 110 10 268.67 270 3 269.42 264.42 264.59 18 RCP 269.53 269.53 269.64
D 160 10 271.67 273 3 272.42 267.42 267.59 15 RCP 272.58 272.58 I 272.64 ( W FEET) J v
1 inch = 20 it.
BMP DETAIL PLAN
Q420071C7005 * White Deer Park\DWCS\Design1C7005-grad.dNg, 5/30/2009 9:59:17 AM

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o ~ fPA~E D~ TWICE-SHREDDED REFER TO
HARDWOOD MULCH M SOIL/RISER CROSS
° ~:~r~~~ SOIL MEDIA MIX SECTION
.aj{: •;.;<,.:,~r~::''~,: Z 89-92% SAND
" ~ FILL SOIL MEDIA O 2 3 4 '"=''ry ~ Q 8-11% ORGANIC OVERFLOW STRUCTURE;
j • „ ~"m ~ ~ SEE RISER CROSS SECTION
4 WASHED SAND ..>`°i` .a{;.,; ;?i;` I w 0
25 1/16 1, - ~ 231L/16~ ~ 57 STONE DRAINAGE o0 SECTION A-A'
LAYER WRAPPED WITH
OVERLAPPED N BUTYL-NEK DR
APPROVED ~ NON-WOVEN SEE TABLE
SEALANT 7 1/2 22 GEOTEXTILE FABRIC 4 CORRUGATED PLASTIC UNDERDRAIN. BETWEEN FRAME CONCEPTUAL AREA LAYOUT
AND COVER 15" OR 18" RCP OUTLET PIPE N.T.S.
(SEE PLAN SHEET) 1' ~-2515/16'
331/4 RSR 1 -RISER CROSS SECTION GARNER PARKS AND
RECREATION DEPARTMENT
NOTES 5/8"X3" LAGSHIELD IN HOLE
DRILLED INTO CONE OR 1) ALL MANHOLE FRAMES SHALL BE RING WITH ANCHOR SUNK TO
BE DOMESTICALLY CAST DESIGN DEPTH, AND 5/8"X3" BIORETENTION AREA DETAIL 2) FRAME SHALL BE A MINIMUM HOT DIPPED GALVANIZED GARNER, NORTH CAROLINA
WEIGHT OF 182 LBS. WITHIN N.T.S.
PUBLIC ROW AND 160 LBS. LAG BOLT AND WASHER. WITHIN EASEMENTS
3) COVER SHALL WEIGH A CITY OF RALEIGH MIN. OF 120 LBS, DEPARTMENT OF PUBLIC UTILITIES
4> ALL MANHOLE FRAMES OUTSIDE
BOLTED ETD THEACONESHALL BE STANDARD MANHOLE OVER White
SECTION DR RING WITH A Deer Park MINIMUM OF 4 BOLTS PER DWG. Nl].REVISIONS DATE REVISIONS DATE
FRAME, 3-1-87 3-i-87 A.B.B. 2-9-OS Bioretentio S-25 RRH 3- 0-0 n Areas
Consultants
Riser Untlerdrain Outlet Pipe
Pond Top of Bank
finished Elevation 421 FAYETTEVILLE STREET
ID Length (ft) Width (ft) Grade (Ft) Side Slope:1 Top EL Invert EL Invert EL Diam (in) Material 10-yr WSEL 100-yr WSEL 00-yr WSEL SUITE 4oa 9
A 120 10 276.67 277.67 3 277.42 272.42 272.59 15 RCP 277.56 277.61 277.61 ~ RALEIGH, NC 27601 T 919.380.8750^
B 120 10 276.67 277.67 3 277.42 272.1 272.59 18 RCP 277.58 277.63 F 919,380,8752 0 277.63 wwwstewart-eng.com
J O
C 110 10 268.67 270 3 269.42 264:42 264.59 18 RCP 269.53 269.64 269.64 STEWART
D 160 10 271.67 273 3 272.42 267.42 267.59 15 RCP 272.58 272.64 272.64 ®2008: All dpcuments and calculatlDns Including computer IYCS, drawings, an0 sDeallwtipn prepared by Stewart Englneedng, Inc. are Instruments of prolesslDnel servlro Intended IDr pne~tlme use. they are seD~ect to
copyrlphi and other pmpeRy right laws and shell remain ble prpaerp of SreweR EnglneeAng, Ine, They ere not to be copied, mpollled, or changed In anY manner whatwever nor assigned tD a Ihlyd?ar1Y wlthpu[?rlpr w icon permisslan Df Stewart Englncedn9, Irc.
I
Professional Seals
9" GRAVEL STRIP
1'
WHEN SEWER CLEAN OUT IS IN PAVEMENT R SHALL BE UNDERDRAIN PIPES; SEE
INSTALLED INSIDE A VALVE BOX SHEET LAYOUT VIEW A WnH A ~ a OVERFLOW ` ~ ~ ~ , C A R p ~ / , , ~
SANRARY SEWER COVER, .a STRUCTURE ~~.•.oFESSro~;.,,2
~ ° Q~ 9 :9 Q SEAL ~
a. MUST BE 2" BELOW GRADE ~
n ~ 033317 2
W I .,„L,
COLLAR DETAIL ;~;~r .
COLLAR SHALL BE CONSTRUCTED OF 3000 PSI 28 DAY STRENGTH CONCRETE ° U~,; * . • ~
A MIN OF 4' THICKNESS ~ ~ CENIER CLEANOUT ON COLLAR,
CLEANOUT IN PAVEMENT ° ° " " ° °
FlNISHED GRADE e ` PRELIMINARY -FOR
CAST IRON CLEAN OUT ~ RIP-RAP DISSIPATOR CONCRETE COLLAR SEE SHEET C7.0 FOR DIMENSIONS
REVIEW PURPOSES ONLY
%v/\ /v/\%~~\\\/\\'~;'~:. g:::'~-\~\~\\/\\/\ LENGTH
Revisions
NoTFS " CONCEPTUAL PLAN VIEW MINIMUM 30 N 0. Description Date
THE FULL LENGTH OF THE SERVICE DRCH SHALL DEPTH BE COMPACTED IN 6" LAYERS WRH MECHANICAL TAMP. ~ DWQ BUFFER SUBMITTAL 5/20/08
MIN. GRADE 1 X 2 DWQ BUFFER RESUBMITTAL 5/29/08
CAST IRON, DUCTILE IRON OR PVC PIPE 1.0' EXTENSION WITH PERMANENT
SEE PLAN FOR MATERW.S AND SO:E PLUG CAP CONCEPTUAL AREA LAYOUT
CONNECT TO N.T.S.
SEWER SERVCE
BARREL OF PIPE TO REST ON COMBINATION LONG TURN PATTERN UNDISTURBED SOIL Y AND 1/8" BEND
TYPICAL SANITARY SEWER LATERAL CONNECTION WITH CLEAN OUT IN PAVEMENT Date Issued:
N.T.S. Scale
Drawn by: ACP
Checked by: RAH
Sheet No.
I ,
i
C903
UTILITY DETAILS
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