20070433 Ver 1_401 Application_20070307

HAZEN AND SAWYER
Environmental Engineers & Scientists
Ms. Cyndi Karoly
401 Oversight/Express Permitting Unit
N.C. Division of Water Quality
401 Wetlands Certification Unit
1650 Mail Service Center
Raleigh, NC 27699-1650
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Dear Ms. Karoly,
Hazen and Sawyer, P.C.
4011 WestChase Blvd.
Suite 500
Raleigh, NC 27607
[phone]
[phone] (Fax)
303d
March 7, 2007

07'•0433
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I~r~ ti I'd: ~~~1
RECEIVED
Re: Neuse River Pump Station Force Main
Pre-Construction Notification
401 Water Quality Certification
Crabtree Creek
River Basin: Neuse 03-04-02
City of Raleigh
Wake County, North Carolina
H&S Job No. 30799
Hazen and Sawyer, P.C. is hereby applying fora 401 Water Quality Certification on behalf of the
City of Raleigh for the above reference project. Please find attached seven (7) copies of the Pre-
Construction Notification (PCN) Application, supporting documents, and a check for $200 to
cover the fee for project impacts of less than one acre of wetland fill and less than 150 feet of
stream impact, applicable to the construction of the Force Main.
Applicant Information
The applicant of record for this PCN is Mr Aaron B. Brower of the Public Utilities Department of
the City of Raleigh, North Carolina. Mr. Bower can be reached using the Contact Information
provided in Section II. of the PCN.
Project Information
The Neuse River Pump Station Force Main project is located at the end of Rogers Lane just north
of the confluence of Crabtree Creek and the Neuse River in Wake County, NC. A location map
has been provided both as an attachment to the PCN and on the cover sheet of the Contract
Drawings included as part of this submittal package. The Property Identification Number (Tax
PIN) for the Pump Station parcel is: 1733650834.
This project is necessitated by the need for additional sewage conveyance capacity at the existing
Neuse River Pump Station. In order to provide this capacity, the City of Raleigh in proposing to
install a new 24" force main from the existing Pump Station which will connect to the existing
sanitary sewer outfall line leading to the Neuse River Water Treatment Plant Facility. The
proposed 24' force main will follow a previously cleared Progress Energy overhead power line
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HAZENAND SAWYER
easement and parallel an existing 24" force main currently in place from the Pump Station to the
outfall. A diagram showing the alignment of the proposed force main, as well as the existing
force main and outfall lines, is attached to the PCN for reference.
Prior Proiect Histor
An Environmental Impact Statement was prepared for the construction of the Neuse River Pump
Station in 1986. Permits for jurisdiction impacts were received for the original pump station and
force main construction at that time. The City of Raleigh Public Utilities Department was unable
to find records of these permits, however.
The City originally investigated the installation of the paralle124" force main in this location in
2002. Plans were prepared at that time with the intention of installing the force main under
Crabtree Creek by directional boring. Cost estimates obtained at the time indicated the use of
such installation techniques would cost in excess of $500,000 and the project was put on hold.
Sanitary sewage capacity issues have forced the City the re-investigate this project, and
discussions have lead to choosing an open cut installation as the most cost-effective method of
installing the proposed force main. In response to this proposed method of construction, new
contract drawings were prepared (attached as part of this submittal package) including details for
a proposed coffer dam method of installation for the crossing of Crabtree Creek.
The proposed method of construction is considered to be the most economical while minimizing
both temporary impacts to jurisdictional areas.
Future Project Plans
There are no future plans to install any additional parallel force main piping from this Pump
Station across Crabtree Creek at this time.
Proposed Impacts to Waters of the United States/Waters of the State
A determination of the applicability of Neuse River Stream Buffers and Water of the United
States/Waters of the State were provided by EcoScience, Corporation and written confirmation of
their findings were presented in a letter dated February 5, 2007. The letter reports the Waters of
the United States/Waters of the State delineation and provides a map of the proposed impacts to
wetlands, open water, and stream channels, if any, associated with the project. This letter is
attached as part of this submittal package for reference.
It was determined this project will not impact any wetlands, though stream impacts of a
temporary nature will occur.
Crabtree Creek was determined to be a Perennial Stream and the impacts caused by this project
temporary. The temporary impacts to the Creek will be a total 40' wide, maximum, by 82' long,
as measured from edge of determined stream bank to stream bank, for a total of 0.075 acres
disturbance. This is the minimal practical impact for this type of project.
It was determined that, by Rule (15A NCAC 2B.0233), the proposed impact is exempt from the
Neuse River Riparian Buffers as the project is anon-electric utility line, perpendicular crossing
that disturbs equal to or less than 40 linear feet of riparian buffer with a maintenance corridor
equal to or less than 10 feet in width.

HAZENAND SAWYER
Impact Justification (Avoidance and Minimization)
As noted earlier, in the origina12002 design for this project crossing Crabtree Creek by direction
boring was evaluated. The cost of such an installation, estimated to be approximately $500,000,
was prohibitive to the City and the project became inactive. Sewer capacity issues have forced
the need for construction of the parallel main. The City has determined the most cost effective
method to install the force main is using open cut methods, with constraints to minimize the
impacts applied to the Contract as noted below.
The Contractor will be required to install the force main using the coffer dam or other methods he
may submit to the Engineer for approval before installation may begin. Whether using the
supplied coffer dam detail or other approved method, the Contractor shall be required to limit
disturbance within the Neuse River Buffer limits and Jurisdictional Waters limits to a width of no
more than 40 feet along the length of the force main. The force main piping shall be restrained
ball joint pipe for the length of the stream crossing to minimize the risk of pipe failure beneath the
creek bed. The Contractor shall also be required to save, stockpile, and replace the existing
stream bottom material upon backfilling the force main within the limits of the Jurisdictional
Waters and restore the stream banks within the Neuse River Buffer Limits to original grades,
condition and vegetation.
Miti ag tion
No mitigation will be required for the this project as no wetlands will be impacted, and impacts to
Waters of the United States/Waters of the State and Neuse Buffers will be temporary.
Environmental Documentation
This project will involve the expenditure of public funds by the City of Raleigh. Public lands will
not be used.
Proposed Impacts on Riparian and Watershed Buffers
This project will temporarily impact riparian buffers identified within 15A NCAC 2B .0233
(Neuse) as noted above. The total impacts to Zone 1 of the buffers will be approximately 2,400
ft'` and the Zone 2 impacts approximately 1,600 ft2. Mitigation will not be required for these
impacts as they are determined to be temporary and allowable by Rule. Further, the bed and
banks of Crabtree Creek shall be returned to existing grade and conditions at the completion of
construction.
Stormwater
There will be no permanent change in impervious surface as a result of this project. All disturbed
areas will be restored to original conditions and no new structures or paved surfaces shall be
constructed.
Sewage Disposal
No sewage disposal is associated with this project.

HAZEN AND SAWYER
Violations
This site is not in violation of DWQ Wetlands Rules (1 SA NCAC 2H .0500) or any Buffer Rules
and this is not an after-the-fact permit application.
Cumulative Imaacts
This project is necessitated by increased development in the City of Raleigh, but will not in and
of itself result in additional development which could impact downstream water quality.
We trust you will find this application complete, accurate, and sufficient to grant the requested
Section 404 Nationwide Permit 12 for this project. We will gladly meet with you on site to
review the delineation or to answer any questions you may have. Should you have any questions
or require any additional information, feel free to contact us at any time.
Very Truly Yours,
HAZEN AND SAWYER, P.C.
~J nJ~I,O
oseph B. Meeks, Jr. P.E.
Senior Associate
cc: Jamie Shern, USACE
Mr. Aaron B. Brower, City of Raleigh
Sandy Smith, EcoScience Corp.
Michael Santowasso, H&S

HAZEN AND SAWYER
Environmental Engineers & Scientists
Mr. Jamie Shern
United States Army Corps of Engineers
6508 Falls of Neuse Road
Suite 120
Raleigh Regulatory Field Office
Raleigh, NC 27615
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Dear Mr. Shern,
Hazen and Sawyer, P.C.
4011 WestChase Blvd.
Suite 500
Raleigh, NC 27607
[phone]
[phone] (Fax)
March 7, 2007 0 7 0 4 3 3
Re: Neuse River Pump Station Force Main
Pre-Construction Notification
Section 404 Nationwide Permit 12
Crabtree Creek
River Basin: Neuse 03-04-02
City of Raleigh
Wake County, North Carolina
H&S Job No. 30799
Hazen and Sawyer, P.C. is hereby submitting aPre-Construction Notification (PCN)
Application and supporting documents for a Section 404 Nationwide Permit 12 on behalf
of the City of Raleigh for the above reference project.
AQplicant Information
The applicant of record for this PCN is Mr Aaron B. Brower of the Public Utilities
Department of the City of Raleigh, North Carolina. Mr. Bower can be reached using the
Contact Information provided in Section II. of the PCN.
Project Information
The Neuse River Pump Station Force Main project is located at the end of Rogers Lane
just north of the confluence of Crabtree Creek and the Neuse River in Wake County, NC.
A location map has been provided both as an attachment to the PCN and on the cover
sheet of the Contract Drawings included as part of this submittal package. The Property
Identification Number (Tax PIN) for the Pump Station parcel is: 1733650834.
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HAZEN AND SAWYER
This project is necessitated by the need for additional sewage conveyance capacity at the
existing Neuse River Pump Station. In order to provide this capacity, the City of Raleigh
in proposing to install a new 24" force main from the existing Pump Station which will
connect to the existing sanitary sewer outfall line leading to the Neuse River Water
Treatment Plant Facility. The proposed 24' force main will follow a previously cleared
Progress Energy overhead power line easement and parallel an existing 24" force main
currently in place from the Pump Station to the outfall. A diagram showing the
alignment of the proposed force main, as well as the existing force main and outfall lines,
is attached to the PCN for reference.
Prior Proiect Histor
An Environmental Impact Statement was prepared for the construction of the Neuse
River Pump Station in 1986. Permits for jurisdiction impacts were received for the
original pump station and force main construction at that time. The City of Raleigh
Public Utilities Department was unable to find records of these permits, however.
The City originally investigated the installation of the parallel 24" force main in this
location in 2002. Plans were prepared at that time with the intention of installing the
force main under Crabtree Creek by directional boring. Cost estimates obtained at the
time indicated the use of such installation techniques would cost in excess of $500,000
and the project was put on hold.
Sanitary sewage capacity issues have forced the City the re-investigate this project, and
discussions have lead to choosing an open cut installation as the most cost-effective
method of installing the proposed force main. In response to this proposed method of
construction, new contract drawings were prepared (attached as part of this submittal
package) including details for a proposed coffer dam method of installation for the
crossing of Crabtree Creek.
The proposed method of construction is considered to be the most economical while
minimizing both temporary impacts to jurisdictional areas.
Future Project Plans
There are no future plans to install any additional parallel force main piping from this
Pump Station across Crabtree Creek at this time.
Proposed Impacts to Waters of the United States/Waters of the State
A determination of the applicability of Neuse River Stream Buffers and Water of the
United States/Waters of the State were provided by EcoScience, Corporation and written
confirmation of their findings were presented in a letter dated February 5, 2007. The
letter reports the Waters of the United States/Waters of the State delineation and provides
a map of the proposed impacts to wetlands, open water, and stream channels, if any,

HAZEN AND SAWYER
associated with the project. This letter is attached as part of this submittal package for
reference.
It was determined this project will not impact any wetlands, though stream impacts of a
temporary nature will occur.
Crabtree Creek was determined to be a Perennial Stream and the impacts caused by this
project temporary. The temporary impacts to the Creek will be a tota140' wide,
maximum, by 82' long, as measured from edge of determined stream bank to stream
bank, for a total of 0.075 acres disturbance. This is the minimal practical impact for this
type of project.
It was determined that, by Rule (15A NCAC 2B.0233), the proposed impact is exempt
from the Neuse River Riparian Buffers as the project is anon-electric utility line,
perpendicular crossing that disturbs equal to or less than 40 linear feet of riparian buffer
with a maintenance corridor equal to or less than 10 feet in width.
Impact Justification (Avoidance and Minimization)
As noted earlier, in the original 2002 design for this project crossing Crabtree Creek by
direction boring was evaluated. The cost of such an installation, estimated to be
approximately $500,000, was prohibitive to the City and the project became inactive.
Sewer capacity issues have forced the need for construction of the parallel main. The
City has determined the most cost effective method to install the force main is using open
cut methods, with constraints to minimize the impacts applied to the Contract as noted
below.
The Contractor will be required to install the force main using the coffer dam or other
methods he may submit to the Engineer for approval before installation may begin.
Whether using the supplied coffer dam detail or other approved method, the Contractor
shall be required to limit disturbance within the Neuse River Buffer limits and
Jurisdictional Waters limits to a width of no more than 40 feet along the length of the
force main. The force main piping shall be restrained ball joint pipe for the length of the
stream crossing to minimize the risk of pipe failure beneath the creek bed. The
Contractor shall also be required to save, stockpile, and replace the existing stream
bottom material upon backfilling the force main within the limits of the Jurisdictional
Waters and restore the stream banks within the Neuse River Buffer Limits to original
grades, condition and vegetation.
Mitigation
No mitigation will be required for this project as no wetlands will be impacted, and
impacts to Waters of the United States/Waters of the State and Neuse Buffers will be
temporary.

HAZEN AND SAWYER
We trust you will find this application complete, accurate, and sufficient to grant the
requested Section 404 Nationwide Permit 12 for this project. We will gladly meet with
you on site to review the delineation or to answer any questions you may have. Should
you have any questions or require any additional information, feel free to contact us at
any time.
Very Truly Yours,
ZEN AND SAWYER, P.C.
a ~~
oseph B. Meeks, Jr. P.E.
Senior Associate
cc: Cyndi Karoly, NCDWQ
Mr. Aaron B. Brower, City of Raleigh
Sandy Smith, EcoScience Corp.
Michael Santowasso, H&S

:.
V
303d
Office Use Only: Form Version March OS
v
0 7 0 4 3 3
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
I. Processing ~ Fi~~~~~N~
1. Check all of the approval(s) requested for this project: R~~E~VE~
® Section 404 Permit ® Riparian or Watershed Buffer Rules
^ Section 10 Permit ^ Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ^ Express 401 Water Quality Certification
2. Nationwide, Regional or General Permit Number(s) Requested: NWP 12
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ^ N/A
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: ^ N/A
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: ^ N/A
II. Applicant Information ~~.r~
1. Owner/Applicant Information P~i~R x(117
Name: Aaron B. Brower PE ~. uaLi~
Mailing Address: Public Utilities Department, City of Raleigh, One~t~~t ~' q~~~s~ut~
Room 620 219 Fayetteville Street Raleigh NC 27601
Telephone Number: 919-857-4540 Fax Number: 919-857-4545
E-mail Address: [e-mail]
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: Joseph B Meeks Jr PE
Company Affiliation: Hazen and Sawyer
Mailing Address: 4011 Westchase Blvd Suite 500
Raleigh NC 27607
Telephone Number: 919-833-7152 Fax Number: 919-833-1828
E-mail Address: [e-mail]
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a ~

III. Project Information
Attach a vicinity map clearly showing the location of the property with respect to local
landmarks such as towns, rivers, and roads. Also provide a detailed site plan showing property
boundaries and development plans in relation to surrounding properties. Both the vicinity map
and site plan must include a scale and north arrow. The specific footprints of all buildings,
impervious surfaces, or other facilities must be included. If possible, the maps and plans should
include the appropriate USGS Topographic Quad Map and NRCS Soil Survey with the property
boundaries outlined. Plan drawings, or other maps may be included at the applicant's discretion,
so long as the property is clearly defined. For administrative and distribution purposes, the
USACE requires information to be submitted on sheets no larger than 11 by 17-inch format;
however, DWQ may accept paperwork of any size. DWQ prefers full-size construction
drawings rather than a sequential sheet version of the full-size plans. If full-size plans are
reduced to a small scale such that the final version is illegible, the applicant will be informed that
the project has been placed on hold until decipherable maps are provided.
1. Name of project: Neuse River Pump Station Force Main
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN): 1733650834
4. Location
County: Wake County Nearest Town: Raleigh, NC
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): From Raleigh following
US 64 E Business turn right onto Rogers Lane, follow Rogers Lane through the Cites
Raleigh park. The existingpump station is located on the southern end of the park.
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): 734590 °N 2135740 °W
6. Property size (acres): 62.99 Ac includin~p Station site and Park
7. Name of nearest receiving body of water: Crabtree Creek
8. River Basin: Neuse 03-04-02
(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: This is a proposed force main paralleling an existing 24-inch
force installed in 1988. The nronosed force main routine will follow a previously cleared
Progress Energy overhead power line easement and parallelingLthe existing sewer easement.
The existing easement is on the eastern side of the PE easement.
R:Uv1EEKSWeuse River PS FM~PCN_new2 for NR PS FM.doc Page 2 of ]2

ra
10. Describe the overall project in detail, including the type of equipment to be used: The
proposed force main will be installed b~pen cut using normal excavation equipment. The
proposed Crabtree Creek crossing will utilize coffer dams to divert the flow to allow the pipe
to be installed half way across Crabtree Creek followed by the installation of the coffer dams
on the far side to allow the remainder of the pipe to be installed. Surface material excavated
from the creek bed will be used re-used to restore the creek bed to original conditions. The
creek banks will be stabilized and restored to on i~ nal grades and vegetation at completion of
rnnctrnctinn
11. Explain the purpose of the proposed work: The force main is needed to allow the pump
station to pump the receiving wastewater flow to the 66-inch outfall interceptors on the West
side of Crabtree Creek.
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.
An Environmental Impact Statement was prepared for the Neuse River Pump Station in 1986.
401/404 permits were received for the original pump station and force main construction in the
mid 1980's. Copies for the those permits could not be found by the Public Utilities Department.
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.
There are no future plan at this time to install any additional parallel piping, across the Crabtree
~rPPk
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.
R:VvIEEKS\Neuse River Ps FM\PCN_new2 for NR PS FM.doc Page 3 of 12

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:
There are no impacts on any wet lands due to this project
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,
~enarately list impacts due to both structure and flooding.
Wetland Impact
Site Number

(indicate on map)
Type of Impact Type of Wetland
(e.g., forested, marsh,

herbaceous, bog, etc.) Located within
100-year
Floodplain
(yes/no) Distance to
Nearest
Stream
(linear feet) Area of
Impact
(acres)
NONE

Total Wetland Impact (acres)
3. List the total acreage (estimated) of all existing wetlands on the property: N/
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.
5.
Stream Impact
Number
(indicate on map)
Stream Name
Type of Impact
Perennial 07
Intermittent. Average
Stream Width
Before Im act Impact
Length
(linear feet) Area of
Impact
(acres)
No I Crabtree Creek Temporary Perennial 100 +/- g2 0.075

Total Stream Impact (by length and acreage) 82 0.075
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6. 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.
7
Open Water Impact
Site Number
(indicate on map) Name of Waterbody
(if applicable)
Type of Impact Type of Waterbody
(lake, pond, estuary, sound, bay,
ocean, etc.) Area of
Impact
(acres)
NONE

Total Open Water Impact (acres) None
8. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): 0.075
Wetland Impact (acres): 0.0
Open Water Impact (acres): 0.0
Total Impact to Waters of the U.S. (acres) 0.075
Total Stream Impact (linear feet): 82
9. Isolated Waters N/A
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.
10. 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 ^ wetlands
Describe the method of construction (e.g., datn/embankment, excavation, installation of
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
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
R:Uv1EEKSWeuse River PS FM\PCN_new2 for NR PS FM.doc Page 5 of 12

were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts.
The City of Raleigh on ig nallYbid this proiect as a directional bore installation. The costs of
such installation are approximately 0 5 million dollars over the cost for an open cut installation.
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on January 15, 2002, mitigation will be required when
necessary to ensure that adverse effects to the aquatic environment are minimal. Factors
including size and type of proposed impact and function and relative value of the impacted
aquatic resource will be considered in determining acceptability of appropriate and practicable
mitigation as proposed. Examples of mitigation that may be appropriate and practicable include,
but are not limited to: reducing the size of the project; establishing and maintaining wetland
and/or upland vegetated buffers to protect open waters such as streams; and replacing losses of
aquatic resource functions and values by creating, restoring, enhancing, or preserving similar
functions and values, preferable in the same watershed.
If mitigation is required for this project, a copy of the mitigation plan must be attached in order
for USACE or DWQ to consider the application complete for processing. Any application
lacking a required mitigation plan or NCEEP concurrence shall be placed on hold as incomplete.
An applicant may also choose to review the current guidelines for stream restoration in DWQ's
Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o.enr.state.nc.us/ncwetlands/strmgide.html.
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.
No wet lands mit~ation required due to this project
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
R:\MEEKSWeuse River PS FM\PCN_new2 for NR PS FM.doc Page 6 of 12

website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Amount of stream mitigation requested (linear feet): 0
Amount of buffer mitigation requested (square feet): 0
Amount of Riparian wetland mitigation requested (acres): 0
Amount of Non-riparian wetland mitigation requested (acres): 0
Amount of Coastal wetland mitigation requested (acres): 0
IX. Environmental Documentation (required by DWQ)
1. Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federal/state) land? Yes ® No ^
2. If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at [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 Suffers (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
(Neese), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
2B .0250 (Randleman Rules and Water Supply Buffer Requirements), or other (please
identify )? Yes ® No ^
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.
Zone* Impact Multiplier Required
(square feet) Mitigation
] 2,400 3 (2 for Catawba) 0
2 l ,600 1.5 0
R:\MEEKS\Neuse River PS FM\PCN_new2 for NR PS FM.doc Page 7 of 12

Total 4,000 0
Zone 1 extends out 30 feet perpendicular from the top of the near bank of channel; Zone 2 extends an
additiona120 feet from the edge of Zone 1.
3. If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e.,
Donation of Property, Riparian Buffer Restoration /Enhancement, or Payment into the
Riparian Buffer Restoration Fund). Please attach all appropriate information as identified
within 15A NCAC 2B .0242 or .0244, or .0260. No mitigation will be required as this project
is a utility crossing_perpendicular to Crabtree Creek which will disturb a corridor no rg eater
than 40' in width and which will restore the creek bed and banks to existing conditions and
grades at completion of construction.
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°Io, please provide calculations
demonstrating total proposed impervious level.
No change in impervious surface area due to this project
XII. Sewage Disposal (required by DWQ)
Clearly detail the ultimate treatment methods and disposition (non-discharge or discharge) of
wastewater generated from the proposed project, or available capacity of the subject facility.
No sewage disposal is associated with this ~roiect
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
httpa/h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description:
R:UvIEEKSWeuse River PS Ftvl\PCN_new2 for NR PS FM.doc Page 8 of 12

XV. Other Circumstances (Optional):
Ida
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).

~ i 710
ApplicantlAgent's Signature ~ ~ Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
R:\MEEKSWeuse River PS FM\PCN_new2 for NR PS FM.doc Page 9 of 12

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AUTHORIZATION FOR SUBMISSION
FROM THE CITY OF RALEIGH

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AGENT AUTH012IZATION FORM
Name: Aaron Brower P E Construction Projects Administrator, City ofRaleiah Public
Uti{ities Department
Address: 1'.O. Box 590 Raleigh, North Carolina 27602
Phone: [phone]
Project Name/Description: Neuse River Pump Station Parallel Force Main/ Protect will provide
redundancy far the Neuse River Pump Station Force Main so that the station will have adequate
firm capacity to accommodate existing and protected flows.
Date:- Niarch 5 2007
1'he Department of the Army
U.S. Army Corps of Engineers, Wilmington District
Attention: Monte iylatthews
Field Office Raleigh
Re: Wetland Related Consulting and Permitting
To Whom It May Concern:
1 hereby designate and authorize !-lazen 8c Sawyer, P.C. to act in my/our behalf as my/our agent
solely For the purpose of processing of Section 404 penrits and Section 401 Water Quality
Certil7calions applications and to furnish upon request supplemental information in support of
applications, etc. from this day forward until successful completion of the permitting process or
revocation by the undersigned.
Authorized this the ~~ da of_ eN
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Aaron B. Brower. P.E. Q . st.>..~_-_,
Applicant Name Applicant Signature
CC: Nls. Cyndi ICaroly
N.C. Wetlands Unit
1621 Mail Service Center
Raleigh, N. C. 27699-1621
OFFICES 222 WEST HARGETT STREET POST OFFICE BOX 590 RALEIGH. NORTH CAROLINA 27602
RECYCLED PAPER

ENVIROMENTAL INVESTIGATION

f N
O T 0 4 3 3
1101 Haynes Street Suite 101 Raleigh, NC 27604 Telephone: [phone] Fax: [phone]
_~ ~~~::
EcoScience
February 5, 2007
Mr. John Bove, P.E.
Hazen and Sawyer, P.C.
4011 WestChase Boulevard
Raleigh, North Carolina 27607
Re: Results of an Environmental Investigation in association with 07-332
Neuse River Pump Station Improvements, Raleigh, Wake County
Dear John:
EcoScience Corporation (ESC) personnel conducted an environmental investigation at the above-
mentioned site on Friday, February, 2, 2007. This letter summarizes the findings of the site
investigation.
Ph sisal Features
The site is located in a developing residential area just west of the confluence of the Neuse River and
Crabtree Creek and south of Anderson Point Park. The site is 1600 feet long with a 50 foot wide
span extending north from the existing force main, and consists of two utility easements: a power
line and a sewer line. The power line corridor crosses Crabtree Creek, but the sewer line continues
south of the proj ect study area west of Crabtree Creek and the Neuse River. The pump station for the
sewer line is located at the eastern end of the site. The portion of the site west of Crabtree Creek
runs through a residential area and is regularly mowed, but portions of it are bounded by mixed
pine/hardwood forest, with the forest extending into the site along portions of the northern boundary.
The portion of the site west of Crabtree Creek that lies in the power line corridor is
maintained/disturbed but the corridor is bounded on all sides by mixed pine/hardwood forest, with
the forest extending into the project study area along the northern boundary.
Crabtree Creek is a tributary within the Neuse River basin. The terrain is characterized by a gradual
slope downward to the banks of Crabtree Creek. The slope increases adjacent to the creek, with
stream banks approximately 10 feet high. Site elevations range from a high of approximately 200
feet (along the sewer easement in the eastern part of the project study area) to a low of approximately
160 feet (along the banks of Crabtree Creek).
According to the county soil survey, the site contains four soil mapping units: Altavista fine sandy
loam, Cecil sandy loam, Chewacla soils, and Louisburg loamy sand. The National Resources

EcoScience Corporation
Mr. John Bove, P.E.
February 5, 2007
Page 2
Conservation Service (NRCS) considers all of these map units to be non-hydric, with Altavista
having hydric inclusions of Roanoke and Wehadkee in depressions and drainageways and Chewacla
having hydric inclusions of Wehadkee in drainageways. Louisburg soils are mapped across the
majority of the site. Louisburg loamy sand soils are deep, excessively drained, with moderatelyrapid
permeability. This series is typically found on side slopes and rounded divides in Piedmont uplands.
The Chewacla soils are mapped adjacent to the banks of Crabtree Creek in the central portion of the
site. This series is a nearly level, somewhat poorly drained soil with moderate to moderately rapid
permeability. Chewacla soils are typically found on the floodplains of streams. Cecil sandy loam is
mapped in the eastern half of the prof ect study area. This soil series is a deep, well-drained soil with
moderate permeability. Cecil sandy loam 6 to 10 percent slopes, eroded is found on short to long
side slopes in the uplands. Altavista fine sandy loam is mapped along the eastern boundary of the
site. The Altavista series is a deep, moderately well-drained soil with moderate permeability. This
series is found on low stream terraces.
Biological Features
The vegetation in the power line corridor and sewer easement consists of maintained/disturbed land.
The vegetation in the utility lines west of Crabtree Creek is dominated by fescue (Festuca sp. ), while
the power line corridor east of Crabtree Creek is dominated by broomsedge (Andropogon virginicus)
and fescue. The vegetation surrounding the site primarily consists of mixed pine/hardwood forest.
On upper slopes and ridges, the canopy contains northern red oak (Quercus rubra), white oak (Q.
alba), sweetgum (Liquiclambar styraciflua), loblolly pine (Pinus taeda), red maple (Ater rubrum),
and tulip tree (Liriodendron tulipifera). Understory species include flowering dogwood (Corpus
florida), eastern red cedar (Juniperus virginiana), sourwood (Oxydendron arboreum), American
beech (Fagus grandifolia), and red maple. Scattered vines and herbs include muscadine (Vitis
rotundifolia), Virginia creeper (Parthenocissus quinquefolia), poison ivy (Toxicodendron radicans),
and green-brier (Smilax rotundifolia).
The forested portions of the site are expected to have moderate wildlife value as a result of the
variation of on-site habitats and adjacent development. The maintained/disturbed portion of the site
likely functions as a transit corridor for wildlife. The day of the site visit was cool and sunny. A
dead Virginia opossum (Didelphis virginiana) was spotted along the banks of Crabtree Creek. No
other mammals were observed; however, evidence of on-site mammals include tracks ofwhite-tailed
deer (Odocoileus virginianus) and raccoon (Procyon lotor). Other mammals expected to occur in
these communities include gray squirrel (Sciurus carolinensis) and striped skunk (Mephitis
mephitis). No bird species were identified on the field visit, but some species expected to inhabit
these communities include northern mockingbird (Mirnus polyglottos), eastern towhee (Pipilo
erythrophthalmus), northern cardinal (Cardinalis cardinalis), Carolina chickadee (Parus

R ~ V
EcoScience Corporation
Mr. John Bove, P.E.
February 5, 2007
Page 3
carolinensis), tufted titmouse (Baeolophus bicolor), Carolina wren (Thryothorus ludovicianus),
brown thrasher (Toxostoma rufum), American robin (Turdus migratorius), sununer tanager (Piranga
rubra), and red-bellied woodpecker (Melanerpes carolinus). No terrestrial reptiles or amphibians
were identified, but species expected to inhabit these communities include American toad (Bufo
americanus), eastern fence lizard (Sceloporus undulates), and the rat snake (Elaphe obsoleta).
Jurisdictional Area Delineation
The U.S. Geological Survey (USGS) topographic quadrangle (Raleigh East, NC) indicates two
streams in the vicinity of the site: Crabtree Creek, which bisects the project study area, and the
Neuse River, which lies a few hundred feet east of the site. The county soil survey and NWI
mapping indicates the same two streams in the vicinity of the site. NWI mapping describes Crabtree
Creek as a riverine, lower perennial, unconsolidated bottom, permanently flooded jurisdictional
system (R2UBH). Field surveys confirmed that Crabtree Creek was the only feature subject to
jurisdiction by the U.S. Army Corps of Engineers (USAGE) and N.C. Division of Water Quality
(NCDWQ). No vegetated wetlands were found in the site.
The Neuse River riparian buffer rules are also an issue for this site. According to the rules, a 50-foot
vegetated buffer must be protected on each side of streams indicated on either USGS topographic
mapping or county soils mapping. These map sources indicate that Crabtree Creek is a perennial
stream; therefore, the Neuse River riparian buffer rule is in effect fora 50-foot buffer extending from
each bank of Crabtree Creek.
Permit Issues
Crabtree Creek is the only feature in the vicinity of the site considered to be subject to jurisdictional
consideration by the USAGE and NCDWQ. Construction methods will determine the extent of
jurisdictional area impacts and permitting requirements. If a Section 401/404 Permit is required, a
Section 404 Nationwide Permit 12, with a corresponding Section 401 General Certification (GC
3374), maybe applicable.
The NCDWQ will likely determine that the perennial stream is subject to the Neuse River riparian
buffer rule. Non-electric utility crossings that disturb 40 linear feet of riparian buffer or less with a
maintenance corridor equal to or less than 10 feet in width are exempt from the buffer rule. Non-
electricutility crossings that disturb more than 40 linear feet and less than 150 linear feet ofriparian
buffer may proceed providing there are no practicable alternatives to the requested use. In the second
case, the applicant will need to obtain a determination of no practicable alternatives through issuance
of an Authorization Certificate from the NCDWQ. An exemption to the Neuse River riparian buffer
rule applies when existing uses are present and ongoing. A use shall be considered existing if it was
present within the riparian buffer as of July 22, 1997. Existing uses include utility lines. If a non-

~, -,~
EcoScience Corporation
Mr. John Bove, P.E.
February 5, 2007
Page 4
electric utility line impacts only an area entirely contained by the footprint of the existing use, it is
exempt from the Neuse River riparian buffer rules.
Protected Species
The current U.S. Fish and Wildlife Service (USFWS) listing of federally protected species with
ranges which extend into Wake County includes four species: bald eagle (Haliaeetus
leucocephalus), red-cockaded woodpecker (Picoides borealis), dwarf wedgemussel (Alasmidonta
heterodon), and Michaux's sumac (Rhus michauxii). Field investigations found no suitable habitat
for bald eagle and red-cockaded woodpecker. The regularly maintained power-line corridor east of
Crabtree Creek supports suitable habitat for Michaux's sumac. Surveys for this species typically
need to be conducted during the blooming season -May to October. This field effort occurred
outside of the survey window for this species; however, no specimens of any species of sumac were
observed during the site visit. N.C. Natural Heritage Program (NCNHP) file data indicates one
occurrence of Michaux's sumac approximately 1.5 miles south of the site. Crabtree Creek may
contain suitable habitat for dwarf wedgemussel. The presence of dwarf wedgemussel cannot be
discounted until a systematic survey is conducted. NCNHP file data indicates one occurrence of
dwarf wedgemussel approximately 1.3 miles downstream of the site, below the confluence with the
Neuse River.
Summary
• The site is located in a developing residential area east of Raleigh. Resources on the site are
not considered unique or significant.
• The site contains no jurisdictional wetlands but it features one stream subject to permit
review by the USACE and NCDWQ.
• County soils mapping and USGS mapping indicate that Crabtree Creek is a perennial stream
in the prof ect study area, causing the Neuse River riparian buffer rule to be in effect along the
reach of this mapped stream.
• USFWS list four federally protected species for Wake County. Field investigations found no
suitable habitat for red-cockaded woodpecker and bald eagle, but suitable habitat exists for
Michaux's sumac and dwarf wedgemussel. The presence of Michaux's sumac and dwarf
wedgemussel cannot be discounted until systematic surveys are conducted.

., -.
EcoScience Corporation
Mr. John Bove, P.E.
February 5, 2007
Page 5
I hope the information provided in this letter is useful for your planning purposes. If you have any
questions about this information, please feel free to give me a call. ESC is available for further
coordination and consultations, if requested. Thank you for selecting ESC for this important prof ect.
Yours truly,
ECOSCIENCE CORPORATION
~/..~/~
Justin Wright
Project Scientist

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LEGEND
Q Project Study Area Boundary
X GPS Points
Crabtree Creek
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N
100 0 100 200 300 Feet
I, View1 Ckd By:
JRW AP FIGURE
JURISDICTIONAL AREAS D
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a
e:
FEB 2007
Neuse River Pump Station Improvements 3ca~a:
~- As sHOwN J
EcoScience Wake County, North Carolina L
Corporation ESC Project No.:
Raleigh, North Carefna 07-332