20050536 Ver 1_Complete File_20050328

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Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
Alan W. Klimek, P.E. Director
Division of Water Quality
May 25, 2005
DWQ Project # 05-0536
County: Wake
City of Raleigh
Attu: J. Russell Allen, City Manager
222 West Hargett Street
Raleigh, NC 27602
Subject Property: Buckhorn Road Sanitary Sewer Repair
Lake Benson [03-04-02, 27-43-(5.5), WS-III, NSW, CA]
APPROVAL of Neuse River Buffer Rule (15A NCAC 02B.0233) Authorization Certificate
Dear Mr. Allen:
You have our approval, in accordance with 15A NCAC 02B .9233 and any conditions listed below, to
impact approximately 1,800 ft2 of Zone 1 of the protected riparian buffers for the purpose of repairing an
aerial sanitary sewer line at the subject property as described w''fihin your application dated January 26,
20Q5 and received on March 28, 2005. In addition, you should o?tain or otherwise comply with any other
required federal, state or local permits before you go ahead with your project including (but not limited
to) Erosion and Sediment Control, Non-discharge and Water Supply, Watershed regulations.
This approval is for the purpose and design that you described in your application. If you change your
project, you must notify us and you may be required to send us a new application. If the property is sold,
the new owner must be given a copy of this authorization and approval letter and is thereby responsible
for complying with all conditions. This approval requires you to follow the conditions listed below.
The Additional Conditions of the Certification are:
1. Impacts Approved
The following impacts are hereby approved as long as all of the other specific and general
conditions of this Certification (or Isolated Wetland Permit) are met. No other impacts are
approved including incidental impacts:
Amount Approved
nits Plan Location or Reference
Buffers 1,800 (square ft. C-01
2.! Diffuse Flow
An additional condition is that all stormwater shall be directed as diffuse flow at non-erosive
velocities through the protected stream buffers and will not re-concentrate before discharging into
the stream as identified within 15A NCAC 2B .0233(5).
401 Wetlanrts
1650 Mai Sen
2321 Grantee
Phone: 919.7,
rftatbn Unit
r Center, Raleigh, North Carolina 27699-1650
Kdevard, Stdte 250, Raleigh, NwM Carolina 27604
1766 / FAX [phone] / Internist htti)://h2o.enr.state.nc.tts/ncweUands
Nii `?th? Ida
An Equal opportunity/Affirmative Action Empbyer - 50% RecycdeNl0% Post Consumer Paper
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City of Raleigh
Page 2 of 2
5/25/05
3. 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 15A NCAC 213.0233.
4. Certificate of Completion
Upon completion of all work approved within this authorization, and any subsequent
modifications, the applicant is required to return the attached certificate of completion to the
401/Wetlands Unit, North Carolina Division of Water Quality, 1650 Mail Service Center,
Raleigh, NC, 27699-1650.
Any disputes over determinations regarding this Authorization Certificate (associated with the approved
buffer impacts) shall be referred in writing to the Director for a decision. The Director's decision is
subject to review as provided in Articles 3 and 4 of G.S. 150B. This Authorization Certificate shall
expire five (5) years from the date of this letter.
ThiiFs letter completes the review of the "No Practical Alternatives" determination under 15A NCAC 2B
.0233. If you have any questions or would like a copy of the buffer rules, please call [phone].
This letter does not authorize any impacts to either Waters of the United States or Waters of the State.
Please contact the US Army Corps of Engineers (USACE) or NC, Division of Water Quality (DWQ) if
any impacts are proposed to either of these waters.
Sincerely,
- , cLen JO!4
C)IV Alan W. Klimek, P.E.
AWK/dae
Enclosures: Certificate of Completion
cc Eric Kulz, DWQ Raleigh Regional Office
DLR Raleigh Regional Office
File Copy
Central Files
Mary Brice P.E.-Dewberry, 2301 Rexwoods Drive, Suite 200, Raleigh, NC 27607 -
Filename: 050536BuckhomSSRepair(Wake)buffer only

2301 Rexwoods Drive 919 881 9939
Suite 200 919 881 9923 fax
Dewberry Raleigh, North Carolina 27607-3366 www.dewberry.com
401 MUM
March 25, 2005
Ms. Cyndi Karoly
Environmental Supervisor H
NC Division of Water Quality
401/Wetlands Unit
1650 Mail Service Center
Raleigh, North Carolina 27699-1650
G-50536
FILE COPY
Reference: City of Raleigh
Buckhorn Road Sanitary Sewer Repair PCN Application
Dewberry Project No. 73183900
Dear Ms. Karoly:

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Enclosed are seven copies of a Pre-Construction Notification (PCN) Application Form, site location map,
photographs, plan sheets C-01 and C-02, and a permit processing fee of $200, for the project: Buckhorn
Road Sanitary Sewer Repair.
The Buckhorn Road Sanitary Sewer Repair will be performed by the City of Raleigh. Work is to take
place in a sanitary sewer easement located in a residential area and within Zone 1 of a jurisdictional
stream. Currently, an 8" ductile iron sanitary sewer aerial spans the stream without sufficient pipe
supports, a manhole on the west side of the stream crossing has been damaged by root intrusion, and
undersized rip rap is present on the stream bank.
The project comprising replacement of 8" ductile iron sanitary sewer from manhole #1 (west of the
stream crossing) to manhole #5 (east of the stream crossing) includes replacement of the aerial portion of
the sewer, installation of sufficient aerial foundations, replacement of manhole #1, removal of trees in the
sanitary sewer easement, removal of undersized rip rap on the stream bank, and stabilization of the stream
bank with fabric and Class H rip rap. No changes in pipe or manhole elevation, location, material, or size
are proposed.
Contact was made with Mr. Danny Smith of DWQ and Kevin Yates of USACE on December 13, 2004,
by Sheila Reeves of Dewberry regarding this proposed repair of existing sanitary sewer. Work will be
limited to the existing sanitary sewer easement and effort will be made to minimize impact to the riparian
buffer.
Dewberry & Davis, Inc.
Ms. Cyndi Karoly
March 25, 2005
Page 2
Please call with any questions regarding this permit application.
Sincerely,
D7be & Davis, Inc.
Mary T. Brice, P.E.
Project Engineer
Enclosures
Donna Jackson, P.E., City of Raleigh
Chris Brown, P.E., Dewberry
P:\73183900\Spring Street\Adn in\Permits\karoly.3.25.05.doc
Dewberry
R A,
MA? 2 8 200 Office Ube Only: OENR, WATER QUALITY Form Version May 2002
WETt MIX AND STORMATER BRANCH O C
USACE Action ID No. DWQ No. ;,/ u
(it any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
I. Processing
1Check all of the approval(s) requested for this project:
? Section 404 Permit ® Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
? 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested:
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ?
4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for
mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete
section VIII and check here: ?
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), check here: ?
II. Applicant Information
1. Owner/Applicant Information
Name: City of Raleigh, North Carolina
Mailing Address:. Attn: J. Russell Allen, City Manager
222 West Hargett Street
Raleigh, NC 27602
Telephone Number: 919-890-3400 Fax Number: 919-890-3600
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:
Company Affiliation:
Mailing Address:
Telephone Number: Fax Number:
E-mail Address:
Page 5 of 12

BIZ. 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 maybe 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 Fref;xs full-size construction
drawings rather than a sequential sheet version of the full-size plans. If full-size plans are
reduced to a small scale such that the final version is illegible, the applicant will be informed that
the project has been placed on hold until decipherable maps are provided.
1. Name of project: Buckhom Road Sanitary Sewer Repair
2. T.I.P. Project Number or State Project Number (NCDOT Only):
3. Property Identification Number (Tax PIN): 1701824094
4. Location
County: Wake Nearest Town: Garner
Subdivision name (include phase/lot number): The Woodlands, section one, lot 41
Directions to site (include road numbers, landmarks, etc.):
Take I-440 to S. Saunders St.. Follow NC 50 South. Turn right onto Loop Road. Loop
Road becomes Coldwater Drive. Turn left onto Spring Street. Turn right onto Buckhorn
Drive. Site is located at the intersection of Spring Street and Buckhom Drive.
5. Site coordinates, if available (UTM or Lat/Long):035°42' 20.64" N, 07$°38'-4.92"W
(Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the
coordinates for each crossing of a distinct waterbody.)
6. Property size (acres): 1,800 ft2 = 0;04 acre
7. Nearest body of water (stream/river/sound/ocean/lake): Lake Benson
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: Project site is located in a sewer easement owned by the
Town of Garner within a residential area. The City of Raleigh recently annexed this sewer
region. Site is located in Zone 1 of a jurisdictional stream. An 8" ductile iron sanitary sewer
aerial spans the stream without sufficient nine sunnorts. A manhole on the west side of the
Page 6 of 12
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stream crossing has been damaged by root intrusion. Undersized rin ran is uresent on the
stream bank.
10. Describe the overall project in detail, including the type of equipment to be used:
The project includes replacement of an aerial sanitary sewer spanning the stream,
replacement of a manhole on the west side of the stream, removal of trees in the sewer
easement, removal of undersized rip ram on the stream bank, and stabilization of the stream
bank with fabric and Class II rip rap (see attached repair detail).
14. Explain the purpose of the proposed work: Sanitary sewer repair at an area of severe root
intrusion and potential aerial failure due to insufficient pipe support_
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.
None.
VI. 'Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. The applicant must also
provide justification for these impacts in Section VII below. All proposed impacts, permanent
and temporary, must be listed herein, and must be clearly identifiable on an accompanying site
plan. All wetlands and waters, and all streams (intermittent and perennial) must be shown on a
delineation map, whether or not impacts are proposed to these systems. Wetland and stream
evaluation and delineation forms should be included as appropriate. Photographs may be
included at the applicant's discretion. If this proposed impact is strictly for wetland or stream
mitigation, list and describe the impact in Section VIII below. If additional space is needed for
listing or description, please attach a separate sheet.
1. Provide a written description of the proposed impacts: Clearing a 20' wide by 70'
long area of sanitary sewer easement in the riparian buffer, excavation and replacement of an
Page 7 of 12
existing 8" ductile iron sanitary sewer and 4' diameter manhole, placement of Calss II rip rap
and filter fabric for stream bank stabilization.
2i Individually list wetland impacts below:
Wetland Impact Area of Located within Distance to
Site Number Type of Impact* Impact 100-year Floodplain** Nearest Stream Type of Wetland***
(indicate' on ma) (acres) (yes/no) (linear feet)
n/a n/a n/a n/a n/a n/a
* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill,
excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flocding.
**' 100-Yoar floodplains are identified through the Federal Emergency Management Agency's (FEMA.) Flood Insurance Rate Maps
(FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or
online at httn://www.fema.g_ov.
*** List ai wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only).
List the total acreage (estimated) of all existing wetlands on the property: n/a
Total area of wetland impact proposed: n/a
Individually list all intermittent and perennial stream impacts below:
Stream Impact Length of Average Width Perennial or
Site Number Type of Impact* Impact Stream Name** of Stream Intermittent?
(indicate on ma) (linear feet) Before Im act (t)lease secify)

Site #1 Temporary
stream bank
20 UT Lake Banson (Swift 30' between top
Intermittent
disturbance Creek) of bank
* List Each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap,
dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net lossigain),
stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is
proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included.
** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616,, or online at
www.usgs.gov. Several intemet sites also allow direct download and printing of USGS maps (e.g., www.topozone.com
www.mamuest.com etc.).
Cumulative impacts (linear distance in feet) to all streams on site: 20
4. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.) below:
Open Water Impact Area of
Name
Wat Type of Waterbody
Site Number Type of Impact* Impact plicabblele)
(if
applicable) (lake, pond, estuary, sound,
(indi ate on map) (acres) bay, ocean, etc.)
n/a n/a n/a n/a n/a
* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
Page 8 of 12
. 1 .
5. Pond Creation
If construction of a pond is proposed, associated wetland and stream impacts should be
included above in the wetland and stream impact sections. Also, the proposed pond should
be described here and illustrated on any maps included with this application.
Pond to be created in (check all that apply): ? uplands ? stream ? wetlands
Describe the method of construction (e.g., dam/embankment, excavation, installation of
draw-down valve or spillway, etc.): n/a
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.): n/a _
Size of watershed draining to pond: n/a Expected pond surface zrea: n/a
VII. Unpact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts.
Contact was made with Danny Smith of DWO and Kevin Yates of USACE on December 13,
2004 by Sheila Reeves of Dewberrv regardinLy this site as a renair of an existing sanitarv sewer_
As part of the repair, effort will be made to minimize impact to the riparian buffer. Work will be
limited to the existing anitary sewer easement.
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 March 9, 2000, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
Page 9 of 12
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ri.
lacking a required mitigation plan or NCWRP concurrence shall be placed on hold as
incomplete. An applicant may also choose to review the current guidelines for stream restoration
in, DWQ's Draft Technical Guide for Stream Work in North Carolina, available at
hgp:Hh2o.enr.state.nc.us/ncwetlands/strmp-ide.htmi.
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.
n/a
a. Mitigation may also be made by payment into the North Carolina Wetlands Restoration
Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at
[phone] to determine availability and to request written approval of mitigation prior
to submittal of a PCN. For additional information regarding the application process for the
NCWRP, check the NCWRP website at http://h2o.enr.state.nc.us/wmLindex.htm. If use of
the NCWRP is proposed, please check the appropriate box on page three and provide the
following information:
Amount of stream mitigation requested (linear feet): n/a
Amount of buffer mitigation requested (square feet): n/a
Amount of Riparian wetland mitigation requested (acres): n/a
Amount of Non-riparian wetland mitigation requested (acres): n/a
Amount of Coastal wetland mitigation requested (acres): n/a -
IX. Environmental Documentation (required by DWQ)
Does the project involve an expenditure of public (federal/state) funds or the use of public
(federal/state) land?
Yes ? No
If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Note: If you are not sure whether, a NEPA/SEPA document is required, call the SEPA
coordinator at [phone] to review current thresholds for environmental documentation.
Yes ? No ?
Page 10 of 12
.y.
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 identif.-.able on the accompanying site plan. All buffers must be shown on a
map, whether or not impacts are proposed to the buffers. Correspondence from the DWQ
Regional Office may be included as appropriate. Photographs may also be included at the
applicant's discretion.
Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and
Water Supply Buffer Requirements), or other (please identify )?
Yes ® No ? If you answered "yes", provide the following information:
Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer
mitigation is required calculate the required amount of mitigation by applying the buffer
Multipliers.
Zone* Impact
(square feet)
Multiplier Required
Mitigation
1 1,800 3 n/a
2 1.5
Total
I Gone 1 extends out 3U teet perpenchcular from near bank of channel; Gone 2 extends an
additional 20 feet from the edge of Zone 1.
If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation
of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or
Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as
identified within 15A NCAC 2B .0242 or.0260.
Page 11 of 12
XI. Stormwater (required by DWQ)
Describe impervious acreage (both existing and proposed) versus total acreage on the site.
Discuss stormwater controls proposed in order to protect surface waters and wetlands
downstream from the property.
n/a
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultimate trc atment methods and disposition (non-discharge or discharge) of
wastewater generated from the proposed project, or available capacity of the subject facility.
a/a
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. !Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
;choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 12 of 12
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Name: LAKE WHEELER Location: 035° 42'20.3" N 078° 38' 06.0" W
Date: 1/24/?005 Caption: Buckhorn Road Sanitary Sewer Repair
Scale: 1 inch equals 2000 feet
Buckhorn Road Sanitary Sewer Repair
March 25, 2005
Existing Aerial Crossing at East Streambank
Buckhorn Road Sanitary Sewer Repair
March 25, 2005
Page 2 of 2
Top of Bank to Existing Manhole #1
Buckhom Road Sanitary Sewer Repair
March 25, 2005
Existing Aerial Crossing at West Streambank
Existing Aerial Crossing at East Streambank
J
Btickhorn Road Sanitary Sewer Repair
March 25, 2005
Page 2 of 2
Top of Bank to Existing Manhole #1
NEUSE RIVER BUFFER ZONE 1
a O Dewberry & Davis, Inc.
2901 REXWOODS DRIVE SUITE 200
RALEIGH, NC 27607
REMOVE EX. 6"~ BIRCH ~y~,' PHONE: 919,881,9939 "~^?d9 FAX 819,861,9923
RE ~bMW REMOVE EX, 27 0 MAPLE ~r>~~~,~isa,~s 31y~.aN oNy~
~Qdl sz
RESTORE STREAM BANKS WITH yew
CLASS 2 RIP RAP AND MATTING
REMOVE REMOVE EX, 19"~ MAPLE ~ 905 BUCKHORN ROAD
BOTTOM OF BANK
TOP OF BANK
EX. MH 1
NEUSE RIVER BUFFER ZONE 1 ~
NEUSE RIVER BUFFER ZONE 2 4 a NEUSE RIVER BUFFER ZONE 2
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REMOVE EX. 19"0 MAPLE LE KEY PLAN
REMOVE EX, 10"~ GUM
REMOVE EX. 4"~ BIRCH REMOVE 3 EX. 4"0 GUMS
EX. MH 3
REMOVE EX, 6"0 GUM
- - - - _ SCALE
140 _ - - - 140
_ _ _ 130
130 - -
_ - - -120
120
- MH 3 - 110
110 RIM= 100,27
MH MH 1 INVERT IN WEST = 92,97
RIM= 99.69 RIM= 95.9 No, DATE BY Description
INVE T IN (EAST) = 89.34 INVERT IN MH 3) = 8 .62
INVE T OUT MH = 89.29 INVERT IN MH 5 = 8 .65 _ REVISIONS - - - 100
- INV RT IN MH 4 = 8 .47 100
- - - DRAWN BY MBW
MTB
DESIGNED BY
1 5.64 - JLL CHECKED BY
85.08' 90
90 o MARCH 2005 DATE
- a
TITLE
TALL PIPE IS 8" DUCTILE IRO - - - - 80
80
- 70
70
- PROJECT NO. ]3183900
60
60
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SHEET NO. OF

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SEE DETAIL WATERTIGHT
AERIAL PIPE CROSSING PILE SUPPORTED PIER CLASS II MANHOLE COVER
GENERAL NOTES: SEE NOTE 3 RIP-RAP SLOPE
PROTECTION, TYP MANHIXE, TYP 1. ALL MATERIALS UTILIZED ON THESE DETAIL SHEETS SHALL CONFORM TO THE APPROPRIATE DIP CARRIER PIPE WNH SECTIONS OF THE CITY OF RALEIGH PUBLIC U1ILITIES HANDBOOK UNLESS NOTED OTHERWISE HEREIN. RESTRAINED JOINT FITTINGS CONCRETE PER IANHOLE, TYP ~ ` I' ~ 0 '1' i N ~ ~ B"
2. RESTRAINED JOINT PIPE AND FITTINGS SHALL CONSIST OF BOLTED RETAINER RINGS AND WELDED BETWEEN MANHOLES SEE NOlE3 Dewberry & Davis, Inc. CRETE PER ~ d NDTE3 c- a 2301 REXWOODS DRIVE
RETAINER BARS OR BOLTLESS TYPE WHICH INCLUDE DUCTILE IRON LOCKING SEGMENTS AND RUBBER (SEE NOTE 4) EXffND RIP-RAP 2'-0" ~ BASE SEALANTSTH TE SHALLPBEOAPPLBITDUMIONOUS SUITE 200 THE TOP OF THE CONE SECTION TO PROVIDE RALEIGH, NC 27607
RETAINERS. BOLTS FOR RESTRAINED JOINTS (IF APPLICABLE) SHALL CONFORM TO ANSI 818,2. I PAST WATER UNE, ttP RESTRAINED PIPE AND FITTINGS SHALL BE FLEX-RING OR LOK-RING TYPE JOINTS AS MANUFACTURED A WATER TIGHT SEAL.
BY AMERICAN CAST IRON PIPE CO.; TR FLEX AS MANUFACTURED BY US PIPE, BOLT-LOK AS MANUFACTURED BY GRIFFEN PIPE PRODUCTS, OR EQUAL. ~D' MANHOLE CONE AND BARREL PHONE: [phone] a SECTIONS SHALL BE AS PER FAX; 919.881.9923 ASTM STANDARDS,
3. CONCRETE PROPERTIES SHALL BE AS FOLLOWS; 4'
CONCRETE COMPRESSIVE STRENGTH = 4000 PSI NOMINAL SLUMP = 4 INCHES I ECCENTRIC M.H. CONS MAY ~ "0" RING SEAL g2" USEWER MAINS 10', AND
WATER/CEMENTITOUS MATERIALS RATIO = D,45 (MAX) AIR CONTENT = 6% t 1.5% ~ „ I a m OR RAM -NEC e
CONCRETE SHALL BE COMPOSED OF CEMENT, WATER, COARSE AGGREGATES, FINE AGGREGATES AND ~ I' AIR, CEMENT SHALL BE TYPE I/II OR II IN ACCORDANCE WITH ASTM C-150. MATERIAL REQUIREMENTS w o ` e RUBBER BOOT > "
FOR ALL FINE AND COARSE AGGREGATES SHALL CONFORM TO ASTM C-33. COARSE AGGREGATE ~ I' LATERAL INVERT SHALL
SHALL BE SIZE No. 57 OR fi7. AN APPROVED CLASS 'F' FLYASH MAY BE SUBSTITUTED FOR AN EQUAL AMOUNT OF CEMENT BY WEIGHT UP TO 25% ' NOT BE LOWER THAN MAIN SPRINGLINE.
4, All EXPOSED CONCRETE CORNERS SHALL BE CHAMFERED 3/4", EDGE OF WATER Y J .
5, CONVENTIONAL REINFORCING STEEL SHALL CONFORM TO ASTM A615 GRADE 60 AND SHALL BE 18 ~ ' " " ' ^ ~ WHEN MANHOLE TOPS ARE IN EXCESS OF 3 ABOVE GRADE
PLACED IN ACCORDANCE WITH "RECOMMENDED PRACTICE FOR PLACING REINFORCING BARS" (LATEST ~ ` EDITION) AS PUBLISHED BY THE CONCRETE REINFORCING INSTITUTE, SPLICES SHALL BE CLASS 'B' 18 OUTSIDE STEPS MUST BE PROVIDED, SECTION A-A ~ SEE STANDARD SLIP RESISTANT 9~ MANHOLE STEP DETAIL,
CONFORMING TO THE PROVISIONS OF ACI 318 - "BUILDING CODE REQUIREMENTS FOR REINFORCED TYP
CONCRETE".
6. NEOPRENE BEARING PADS SHALL BE FORMED FROM PREMOUSLY UNVULCANIZED, 100% VIRGIN (VOTES: NEOPRENE, WITH DUROMETER HARDNESS = 50, i, RIP RAP FOR SLOPE PROTECTION SHALL BE CUSS II RIP 4, WHERE STEEL PIPE IS USED FOR CARRIER PIPI SEE SEWER DESIGN, SEC. IV, ED FOR CARRIER PIPE, STEEL PARAGRAPH A,1. OF THE CITY OF RALEIGH
RAP IN ACCORDANCE WITH SECTION 868 OF THE NORTH CARRIER PIPE SHALL BE INSTALLED UTILIZING I CAROLINA DEPARTMENT OF TRANSPORTATION'S "STANDARD ALIGNMENT GUIDES SPACED WITHIN PIPE AT DI; INSTALLED UTILIZING PIPE PUBLIC UTILITIES HANDBOOK. D WITHIN PIPE AT DISTANCES NOT ° ~ d
AERIAL PIPE CROSSING GENERAL NOTES SPECIFICATIONS FOR ROADS AND BRIDGES". 70 EXCEED 25 FEET, JOINT INDICATED 2 FEET MANHOLE IS NOT REQUIRED FOR STEEL CARRIE JT INDICATED 2 FEET FROM :D FOR STEEL CARRIER PIPE. MIN, 9" COMPACTED X167 STONE
2. PoP RAP SHALL BE PUCED IN ACCORDANCE WRH SECTION 6.15 OF 1HE NORTH CAROLINA DEPARTMENT OF BASE TO BE INSTALLED UNDER NEW MANHOLE.
ENVIRONMENT AND NATURAL RESOURCES UNO QUALITY IN NON-TRAFFIC AREAS, TOP Of
SECTION'S "EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL," FRAME AND COMER SHALL BE INSTALLED A MIN. OF 1' ABOVE FINISHED GROUND SURFACE.
3. SUPPORT TYPE FOR PIERS SHALL BE DETERMINED BY
ENGINEER BASED ON SUBCRADE CONDITIONS AT SITE. SEE DRAWING 5-13 AND 5-14 FOR SUBGRADE PARAMETERS FOR O J N W mJ fOD
EACH TYPE OF FOUNDATION, LU a N
1 /4"x3" GALV. STRAP WRH H~ ~ z
1/4"x2 i/2" NEOPRENE PAD A~IERED TO STRAP SNUG Fli _ ~ _ c~ ~ W O W .W J
(SEE NOTE 5) AERIAL PIPE CROSSING TYPICAL PLAN 1/4"x6" NEOPRENE PAD TYPICAL PRECAST SANITARY SEWER MANHOLE O ~ ~ o
ADHERED TO SADDLE ~ 3/4' 0 N,T.S. rANCHOR BOLTS, - N ~ °C N.T.S. ~ Q ~ LLaJU
1 P ASTM A307 OR A36 ~ 0 JI J LL w _
~ - U
SEE NOTE 4 SEE NOTE 4 FOR BAR SIZE FOR BAR SIZE -ZWo UQ ~Z
AND SPACING AND SPACING a Q W 2W C I U ~ _
= 8 G ~ W Ua. ~
I MINIMUM A/G WEIGHT W W J 1" LETTERING FRAME 262 ~ Z N Q
0 Q RECESSED FLUSH COVER 170
I MIN TOTAL 432 M V ~
A W V? 0
U C 3 -1" DIA HOLES
AT 120 ~
NOTES: A A
1. SHALLOW FOUNDATION DESIGN SHOWN ON THIS DETAIL IS BASED ON THE FOLLOWING PARAMETERS; VARIES b SEAL ,,~~~uu~~n,~,~,, CAR
ALLOWABLE SOIL BEARING CAPACITY = 2000 PSF CONCRETE COMPRESSIVE STRENGTH = 4000 PSI 2'-0" 6'-0" MAXIMUM PIPE SPAN MANHOLE, TYP MANHOLE, lYP ~v
CASING "H' THICKNESS PIER FOOTING FOOTING GRADE 6D REINFORCING STEEL PIPE DIA, VWDiH LENGTH WIDTH ° SS ~
(FT.) "A" (IN.) MAXIMUM STREAM VELOCITY = 12.8 Fi/SEC TYP MIN SEE ATTACHED TABLE "D" (IN.) "B" (FT,) "C" (FT,) "D" (FC) MAXIMUM SUPPORT HEIGHT (H) = 12'-0" 4'-0" 3/4" STAINLESS STEEL F • ° .1~G ,TEFL TYPICAL LIFTING DEVICE SEAL
IF FIELD CONDITIONS REQUIRE ANY DEVIATION FROM CLASS it ANCHOR BOLTS 5 6 12 2'-4" 5'-6" 3'-D" THESE PARAMETERS, THE FOUNDATION DESIGN SHALL BE ~ RIP-RAP SLOPE S 22127
6 12 8 12 2'-4" 6'-3" 3'-0" REVIEWED BY THE ENGINEER. I ap' S1Nlxtss S1EEL PROTECTION, TYP f0 12 2'-4" 6'-8" 3'-0° µcmR ears T R ~ EA OR b~TR ~ ON NO Q,, ~ 12CTI
12 12 2' 4` T 2" 3'-0" 2. IF SUBGRADE AT LOCATION OF SUPPORTS IS DEEMED UNABLE TO WITHSTAND 2000 PSF BEARING PRESSURE, A ~ G I NE,. G~
5 6 12 3'-0" 8'-0" 3'-0" PILE SUPPORTED FOUNDATION SHALL BE UTILIZED, B 12 3'-0" 7-0" 3'-0" a ,,~r~~ T
f4-20 10 12 3'-0" 9'-10" 3'-0" 3. IF BEDROCK IS ENCOUNTERED wHICH wlu PREVENT n,. n. PLAN
12 14 3'-0" 10'-fi" 3'-0' 3-FEL7 MINIMUM COVER OVER FOOTING, DOWELS SHALL BE DRILLED INTO BEDROCK PRIOR i0 PLACING 5 6 14 3'-8° B'-9" 4'-0" FOUNDATION.
B 14 3'-8" 10'-0" 4'-0" 22-28 4, TWELVE-INCH AND FOURTEEN-INCH WIDE PIERS AND OP ~ ~ _ Dp ~ 2e 1/4" KEY PLAN
AESIRAt1ED JOINT Fl1 10 14 3'-8 11'-0" 4 -0 FOOTINGS SHALL BE REINFORCED WITH }'S BARS AT 12 12 14 3'-8" 11'-10" 4'-0 INCHES OC IN EACH LXRECTION ON EACH FACE. PILE SUPPORTED PIER CREEK CHANNEL 8EIWEEN MANHOLES RESIRANED JOINT RTnNGS 2s 1/4" EEIWEEN MANHOLES 1 3/6" ~ 26
S 6 18 4'-4" 9'-0" 4'-0" EIGHTEEN-INCH WIDE PIERS AND FOOTINGS SHALL ~
8 18 4'-4" 10'-6" 4'-0" REINFORCED WITH ~7 BARS AT 12 INCHES OC IN EACH OR FLOOD PLNN CONCRETE PIER JO-36 10 18 4'-4" 11'-6" 4'-0" DIRECTION ON EACH FACE. -CONCRETE PIER T I
12 18 4'-4" 12'-4" 4'-0" 5. EIGHTEEN-INCH WIDE PERS SHALL REOUIRE 1YA7 STRAPS 7 I/2' GASKET IN VERTICAL
5 6 18 5'-4' 9'-6" 5'-0' OVER THE PIPE lSTFI~D OF ONE (AS SNOwN} 8 18 5'-4' n'-o" 5'-0• NOTES; FACE OF COVER
38-48 10 18 5'-4' 12'-0' 5'-0" 1
12 18 5'-4" 12'-1D° 5'-0' 1. DUCTILE IRON PIPE SHALL BE SUPPORTED WITH TWO 5 6 18 6'-4' 9'-10" 5'-0' SPIDERS AT EVERY JOINT WITHIN THE CASING PIPE USING UPPORTED WITH TWO RING MUST BE E CASING PIPE USING 24, ANCHORED IN
8 18 6'-4" 11'-4" 5'-0" APPROVED PIPE ALIGNMENT GUIDE. ALL JOINTS SHALL 8 51-56 18 6'-4" 11'-4" 5'-0" RESTRAINED JOINT. ALL JOINTS SHALL BE ACCORDANCE 3' 28' WITH 5-25
10 1 BE DETERMINED BY 34"
12 18 6'-4" 13'-1" 5'-0" 2, SUPPORT TYPE FOR PIERS SHALL BE DETERMINED Bl ENGINEER BASED ON SUBGRADE CONDITIONS Ai SITE, JDITIONS Ai SITE,
SCALE
A
AERIAL PIPE CROSSING CONCRETE PIER DETAIL
N.T.s. AERIAL PIPE CROSSING ELEVATION I
N.T.S. 5/8" o/ STAINLESS STEEL ROD
TYPICAL LIFTING DEVICE SECTION A
TOP OF COVER
MANHOLE FRAME AND WATERTIGHT COVER
N.T.S.
3" aEAR
NORMAL FOOTING THICKNESS,
SEE NOTE 1 / y
CONCRETE FOR % ` ~ i0P OF COMPETENT
LEVELING MAY / ROCK BE PUCED WITH MATCH EXISTING
FOOTING CLA' ~ 2~ CLASS II RIP RAP GRADE 2' THICK (NP.)
U No, DATE BY Description
1'-0" KEY REVISIONS
TYP. ALL SIDES 4" SEE KEY DETAIL)
m ~ ~1 BARS 012' FINISHED GRADCy ARWND PERMIETER ,.~i~ MATCH EXISTING
OF FOOTRdG SLOPE , MATCH EXISTING DRAWN BY MBW SLOPE ~ MIRAFI 1100N
NON-SHINK GROUT NONWOVEN GEOTEXTILE MTB OR EQUAL DESIGNED BY
6" 12° ~7 BARS AROUND FINAL BACKFlLI' 1 ~ PERIMETER OF EX. GBOTNOM ( 1'-0" KEY CHANNEL (TYp, ALL SIDES CHECKED BY
FOOTING, 1YP ' BOTTOM SEE KEY DETAIL) 6„
UNDISTURBED SOIL io DATE MARCH 2005
~ • ~ • ~ ~ ~ ~ SAC N ~ 2'_0' , SIDE SLOPE ONLY "
~ ~ F O 0000000 0000000 TITLE
Z INITIAL BACKFILL' A SIDE ELEVATION
w , N 3'-0° MATCH EXISTING PLAN
~ ~ ~ ~ ~ ~ . . . CUSS II RIP RAP 1' THICK (TYP,) I RIP RAP GRADE CK (TYP,) SLIP RESISTANT CLEATS
6" X67 STONE EX. GRADE
WHEN ROCK IS 6 I 6 MINIMUM SIDE CLEARANCE ENCOUNTERED 12" ,D. OF PIP 12" MAXIMUM SIDE CLEARANCE ~ 1,_O„
SEE NOTE 1 COMPACTED
6° BACKFILL 12° INSTALL GEOTEXTILE
NOTES : NOTES: INSTALL I. GEOMETRY DF FOOTING SHALL MATCH GEOMETRY 1TRENCHES REQUIRING SHORING AND BRACING, DIMENSIONS SHALL BE TAKEN PER M PER MANUFACTURER'S ELEVATION
OF CONCRETE PIERS WITH HEIGHT DF 6 FEET OR FROM THE INSIDE FACE OF THE SHORING AND BRACING. 2. NO ROCKS OR BOULDERS 4" OR LARGER TO BE USED IN INITIAL BACKFIIL. RECOM LESS. RECOMMENDATIONS ~3 OR ~4 REBAR
3, ALL BACKFILL MATERIAL SHALL BE SUITABLE MATERIAL, CORROSION RESISTANT MATERIAL PROJECT NO. 73183900 KEY DETAIL (RUBBER, PLASTIC)
2. NON-SHRINK GROUT SHALL BE "EUCO-N-S" E1Y 4.BACKFlLL SHALL BE TAMPED IN 6" DYERS IN TRAFFIC AREAS, 12" IN NON-TRAFFIC AREAS.
THE EUCLID CHEMICAL COMPANY; 'MASTERFLOW 113' 5. ACHIEVE 80% COMPACTION IN NON TRAFFIC AND 959 COMPACTION IN TRAFFIC AREAS
BY MASTER BUILDERS, OR EQUAL. 6, IF IN EASEMENT, 4" TOPSOIL AND 12" CLEAN SELECT FILL IS REQUIRED. 7. NO BOULDERS 8" IN DIAMETER OR GREATER ALLOWED.
CHANNEL; HANNEL STABILIZATION DETAIL u C~02
TRENCH BOTTOM DIMENSIONS & BACKFILLING REQUIREMENTS SECTION A-A
AERIAL PIPE CROSSING CONCRETE PIER ON BEDROCK FOR DUCTILE IRON PIPE. N.T.S. STANDARD SLIP RESISTANT MANHOLE STEP DETAIL
N.T.S. N.T.S. N.T.S.
SHEET NO. 2 OF 2