20051784 Ver 1_COMPLETE FILE_20050920

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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
September 30, 2005
Mr. Jamie Revels
Town of Cary Engineering Department
318 N. Academy St.
Cary, NC, 27511
Subject Property: Town of Cary: Fairfield Pump Station
Ut Lynn Branch, 27-43-3, Class WSIII NSW
DWQ Project # 20051784
Wake County
Approval of 401 Water Quality Certification and Authorization Certificate per the Neuse River
Buffer Protection Rules (15A NCAC 2B.0233) with Additional Conditions
Dear Mr. Revels:
You have our approval, in accordance with the attached conditions and those listed below, to place fill
within or otherwise impact 1.7 feet of streams for the purpose of constructing the Fairfield Pump Station
Abandonment and Gravity Sewer Extension at the US 1/64 crossing, as described within your application
dated and received by the N.C. Division of Water Quality (DWQ) on September 20, 2005. After
reviewing your application, we have decided that the impacts are covered by General Water Quality
Certification Number(s) 3374 (GC3374). The Certification(s) allows you to use Nationwide Permit(s) 12
when issued by the US Army Corps of Engineers (USACE). This letter shall also act as your notice that
the project has been reviewed for impacts to the protected riparian buffers per 15A NCAC 2B .0233. No
buffer impacts were requested for the proposed work. In addition, you should obtain or otherwise
comply with any other required federal, state or local permits before you go ahead with your project
including (but not limited to) Erosion and Sediment Control, Non-discharge, and other regulations. Also,
this approval to proceed with your proposed impacts or to conduct impacts to waters as depicted in
your application shall expire upon expiration of the 404 or CAMA Permit.
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 Certification and approval letter and is thereby responsible for
complying with all conditions. If total fills for this project (now or in the future) exceed one acre of
wetland or 150 linear feet of stream, compensatory mitigation may be required as described in 15A
NCAC 2H .0506 (h). This approval requires you to follow the conditions listed in the attached
certification and any additional 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:
401 OversighVExpress Permitting Unit
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone]/ FAX [phone] / Internet: http:Ali2o.citr.state.nc.us/ncwetlands
None Carolina
Nahrrallil
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/] 0% Post Consumer Paper
Town of Cary: Fairfield Pump Station
Page 2 of 3
September 30, 2005
Amount Approved (Units) Plan Location or Reference
Stream 1 1.7 (feet) Ut to Lynn Branch, as on PCN
2. Erosion & Sediment Control Practices
Erosion and sediment control practices must be in full compliance with all specifications
governing the proper design, installation and operation and maintenance of such Best
Management Practices in order to protect surface waters standards:
a. The erosion and sediment control measures for the project must be designed, installed,
operated, and maintained in accordance with the most recent version of the North Carolina
Sediment and Erosion Control Planning and Design Manual.
b. The design, installation, operation, and maintenance of the sediment and erosion control
measures must be such that they equal, or exceed, the requirements specified in the most
recent version of the North Carolina Sediment and Erosion Control Manual. The devices
shall be maintained on all construction sites, borrow sites, and waste pile (spoil) projects,
including contractor-owned or leased borrow pits associated with the project.
c. For borrow pit sites, the erosion and sediment control measures must be designed, installed,
operated, and maintained in accordance with the most recent version of the North Carolina
Surface Mining Manual.
d. The reclamation measures and implementation must comply with the reclamation in
accordance with the requirements of the Sedimentation Pollution Control Act.
3. No Waste, Spoil, Solids, or Fill of Any Kind
No waste, spoil, solids, or fill of any kind shall occur in wetlands, waters, or riparian areas beyond
the footprint of the impacts depicted in the Pre-Construction Notification. All construction
activities, including the design, installation, operation, and maintenance of sediment and erosion
control Best Management Practices, shall be performed so that no violations of state water quality
standards, statutes, or rules occur.
4. No Sediment & Erosion Control Measures w/n Wetlands or Waters
Sediment and erosion control measures shall not be placed in wetlands or waters to the maximum
extent practicable. If placement of sediment and erosion control devices in wetlands and waters
is unavoidable, they shall be removed and the natural grade restored within six months of the date
that the Division of Land Resources has released the project.
5. Certificate of Completion
Upon completion of all work approved within the 401 Water Quality Certification or applicable
Buffer Rules, and any subsequent modifications, the applicant is required to return the attached
certificate of completion to the 401 Oversight/Express Review Permitting Unit, North Carolina
Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650.
Violations of any condition herein set forth may result in revocation of this Certification and may result in
criminal and/or civil penalties. The authorization to proceed with your proposed impacts or to conduct
impacts to waters as depicted in your application and as authorized by this Certification, shall expire upon
expiration of the 404 or CAMA Permit.

Town of Cary: Fairfield Pump Station
Page 3 of 3
September 30, 2005
If you do not accept any of the conditions of this Certification (associated with the approveu-wetland or
stream impacts), you may ask for an adjudicatory hearing. You must act within 60 days of the date that
you receive this letter. To ask for a hearing, send a written petition, which conforms to Chapter 150B of
the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail Service Center,
Raleigh, N.C. 27699-6714. This certification and its conditions are final and binding unless you ask for a
hearing.
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 letter completes the review of the Division of Water Quality under Section 401 of the Clean Water
Act and the Neuse riparian buffer protection rule as described within 15A NCAC 2B .0233. If you have
any questions, please telephone Cyndi Karoly at 919-733-99721 or Deborah Edwards at 919-733-9502.
Sincerely,
Alan W. Klimek, P.E.
AWK/cbk
Enclosures: GC 3374
Certificate of Completion
cc: Jerry McCrain, EcoScience, 1101 Haynes St, Suite 101, Raleigh, NC, 27604
USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
DLR Raleigh Regional Office
File Copy
Central Files
Filename: 20051784Fairfie1d(Wake)401+NB R

1101 Haynes Strcct Suite 101 Raleikh, IBC 27604 Telephone: [phone] Fax: [phone]
EcoScience ? 5 1 7 8 4
September 20, 2005 D P?aV§ D
?
Ms. Christina Breen 2 0 2005
N.C. Division of Water Quality SEP
1621 Mail Service Center DENR-WATER QUALITY
1YETU?NDS AND STDR1,dWKf ER BRANCH
Raleigh, North Carolina 27699-1621
Subject: Application for Section 401 Water Quality Certification associated with
NWP No. 12 for Fairfield Pump Station Abandonment and Gravity Sewer
Extension in Wake County, Town of Cary Project Number SW-1046
Dear Christina:
The purpose of this letter is to provide you with information concerning Section 404
jurisdictional impacts that incidentally occurred as a result of the Fairfield Pump Station
abandonment and gravity sewer extension under US Highway 1/US Highway 64 (USI/US64),
near its intersection with Walnut Street in Cary, North Carolina (Figure 1). Please find attached
this summary letter, a project vicinity map (Figure 1), the original construction plans, a profile
view of the proposed mitigation alternative, a completed Pre-Construction Notification form for
NWP No. 12, and a Section 401 Water Quality Certification application fee of $200.00.
Project Description: The Town of Cary recently extended a gravity sewer line under US1/US64,
near its intersection with Walnut Street in Cary, North Carolina (see attached Figure 1). The
project was initially created with the intention of extending a gravity sewer main across
USI/US64 to connect with the existing sewer system such that the Fairfiled Pump Station could
be removed from service. A secondary goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, a sub-division located on
the north side of US 1/64, near its intersection with Walnut Street.
The project to extend gravity sewer service across USI/US64 was accelerated in 2004 in order to
coordinate the pump station elimination and gravity sewer extension project with the North
Carolina Department of Transportation (NCDOT) project to improve USI/US64. As a result of
cooperation with the NCDOT, the design plans for the Fairfield Pump Station abandonment,
gravity sewer extension, and bore under US1/US64 were prepared by the Town of Cary. The
original intent of this installation was to bore a 20-inch encasement pipe under the entire
EcoScience Corporation
Ms. Clu-istina Breen
September 20, 2005
Page 2 of 4
roadway and under an unnamed tributary to Lynn Branch that flows on the south side of
US1/US64 (Figure 1) without disturbing the stream. Due to an elevation problem with the bore,
the encasement pipe extended under US1/US64 as planned but crossed aerial to the stream
instead of buried. The bottom surface of the encasement pipe now rests at the normal water level
of the stream, approximately 8 to 10 inches above the streambed elevation.
Purpose and Need: The Fairfield Pump Station is one of the older pump stations in the Cary
sewer system and was recommended for removal in the Cary Wastewater System Master Plan.
In the absence of gravity sewer connectivity on the north side of USUUS64, this pump station
has provided sewer service to the cluster of businesses without gravity sewer service between
Walnut Street and US1/US64.
As previously mentioned, another goal of the project was to provide sewer service for residents
of Hillsdale Forest who were annexed into the Town of Cary in 2003. Within Hillsdale Forest,
there have been multiple complaints filed with the Wake County Environmental Services with
reference to failing septic systems and contaminated wells, many of which have tested positive
for E. Coli and Total Coliform. On February 17, 2003, the residents of Hillsdale Forest
submitted a petition to the Town of Cary requesting water and sewer service. The petition was
accepted by the Town of Cary Manager and construction plans were generated in July of 2003.
Impacts Proposed Under NWP No. 12: Extension of the gravity sewer line resulted in
approximately 1.7 linear feet (<0.01 acre) of impact to an unnamed tributary to Lynn Branch as a
result of the aerial crossing of the sewer line across the stream surface. In addition, indirect
impacts to the unnamed tributary to Lynn Branch may include disturbance of the streambank
itself, as well as impacts associated with limited aquatic mobility and the impediment of debris
during high-water events
Avoidance, Minimization and Compensatory Mitigation: The Town of Cary has been at all
times committed to incorporating all reasonable and practical design features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases, and minimization methods were incorporated as part of the project design. The original
project design avoided any impacts to jurisdictional areas. However, as a result of the elevation
problem and subsequent aerial crossing of the stream, the Town of Cary has proposed a
mitigation alternative to reduce impacts that the sewer line crossing may have on aquatic and
debris mobility in the unnamed tributary to Lynn Branch.
EcoS'clence Corporation
Ms. Christina Breen
September 20, 2005
Page 3 of 4
A Hydrologic Engineering Center River Analysis System (HEC-RAS) analysis conducted by
EcoScience Corporation (ESC), using a 25-year storm model, indicates that both the 10-inch
pipe and 20-inch pipe will impede the flow of water during a 25-year storm. To mitigate this
impact, the Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This action would provide a means to increase the clearance between the normal water
level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow through the
stream. This option would consist of converting the existing crossing to a more standard aerial
crossing typically utilized for gravity sewer installations. The conversion process would involve
removing the 20-inch diameter encasement pipe and leaving the 10-inch diameter gravity pipe
exposed at the crossing. In order to leave the sewer line exposed, it will have to be restrained at
the crossing. The proposed plan includes restraining the gravity sewer line to the encasement
pipe on both sides of the crossing through welded connections and by restraining the carrier pipe
crossing the stream with restrained pipe fittings. No excavation, piers, or concrete are required
with this proposal. The Town of Cary will agree to schedule regular and frequent inspections of
this aerial crossing and will remove any debris that collects following high-water events.
The proposed mitigation alternative would increase the height of the crossing above the normal
water level and would not impede stream flows under most normal conditions. Additionally, this
crossing plan could be implemented with very little stream disturbance because no further
excavation operations are required. The plan has been designed to proceed without installing
concrete, although a small amount of rip-rap bank stabilization below the water line will be
necessary (see the attached profile view of the proposed mitigation alternative figure). This plan
prevents any further buffer disturbance while at the same time allowing the stream to flow
undisturbed under normal water levels.
Activities covered under the N.C. Division of Water Quality (NCDWQ) General Certification for
NWP No. 12 (GC 3374) do not require written concurrence from the NCDWQ so long as they
apply with all conditions of the General Certification and nationwide permit. However, because
this is an after-the-fact permit application, we are hereby providing you information concerning
this crossing. . EcoScience Corporation has provided a list of all conditions of the General
Certification and nationwide permit to the applicant.
EcoScience Coipoi-ation
Ms. Christina Breen
September 20, 2005
Page 4 of 4
The Fairfield Pump Station abandonment and gravity sewer extension project has been designed
and executed by the Town of Cary; therefore, the permittee should be designated as the Town of
Cary. The contact address and phone number are as follows:
Town of Cary Engineering Services
318 North Academy Street
Cary, NC 27511
Phone: [phone]
Fax: [phone]
Contact: Jamie Revels, P.E.
Please call me if you have any questions or need further information. Thank you for your
assistance with this project.
Yours truly,
ECOSCIENCE CORPORATION
W4" 6" C-4 M ??
Heather J. Saunders
Permitting Coordinator
Attachments
Cc: Mr. Jamie Revels, P.E., Town of Cary Engineering Department
Office Use Only: 9 Form Vcrsion March 05
??5178
USACE Action ID No. DWQ No. 4
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ? Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ? 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: ?
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
1. Owner/Applicant Information
Name: Town of Cary
Mailing Address: Town of Cary Engineering Department
318 N. Academy Street
Cary, NC 27511
Attention: Jamie Revels. P.E.
Telephone Number: [phone] Fax Number: [phone]
E-mail Address: jamie.revels(a,townofcary.org
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:N/A
Company Affiliation:
Mailing Address:
Telephone Number: Fax Number:
E-mail Address:
Page 5 of 12
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: Fairfield Pump Station Abandonment and Gravity Sewer Extension
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN): N/A
4. Location
County: Wake County Nearest Town: Cary, NC
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): From Raleigh, NC, travel
west on I-4401US 64 towards Cary. Make a left onto Walnut Street. Take a right on Piney
Plains Road. Enter Crossroads Ford Entrance on right and travel towards the Crossroads
Ford Service Station. Project is located at the base of the causeway slope for US 64 (East)
approximately 1000 feet west of the Crossroads Ford Service Station.
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): 35 45 27.21856 ON 78 45 11.03480 °W
6. Property size (acres): N/A
7. Name of nearest receiving body of water: Unnamed Tributary to Lynn Branch
8. River Basin: Neuse River Basin
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://l12o.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: The site is considered to be an aerial sewer crossing of an
unnamed tributary to Lynn Branch. Lynn Branch is approximately 12 feet wide with banks
ran.gin,g between 2 and 5 feet in height. Base water flow depths range from 3 to 8 inches
Page 6 of 12
from the streambed. Water clarity is moderate and flow velocity is slow to moderate.
Substrate materials consist of sand, gravel, and cobble. Land use within the vicinity of the
project is urban and well-developed and includes commercial property, residential
development, and highway.
10. Describe the overall project in detail, including the type of equipment to be used: The
project was initially created with the intention of extending a gravity sewer main across US
1/64 to connect with the existing sewer system such that the Fairfield Pump Station could be
removed from service. A secondary and equally important goal of the gravity sewer
extension project included providing a link to sewer service for the residents of Hillsdale
Forest, also on the north side of US1/64. Using a bore, the gravity sewer main was installed
with a 10-inch gravity sewer carrier 1ipe enclosed in a 20-inch encasement pipe. Due to an
elevation problem with the bore, the encasement pipe extended under USl/64 but crossed
aerial to the stream instead of buried. The bottom surface of the encasement ape rests at the
normal water level of the stream, approximately 8 to 10 inches above the stream bed
elevation.
11. Explain the purpose of the proposed work: The project was initially created with the
intention of extending a gravity sewer main across US 1/64 to connect with the existing
sewer system such that the Fairfield Pump Station could be removed from service. A
secondary and equally important goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, also on the north side
of US 1 /64.
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. N/A
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.
N/A
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
Page 7 of 12
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.
1. Provide a written description of the proposed impacts: Extension of the gravity sewer
line resulted in approximately 1.7 linear feet of impact to an unnamed tributary to Lynn
Branch as a result of the aerial crossing of the sewer line across the stream surface. In
addition, indirect impacts to the unnamed tributary to Lynn Branch may include impacts to
the streambank itself, as well as impacts associated with limited aquatic mobility and the
impediment of debris during high water events
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. N/A (There are no wetlands
located at the project site.
3. List the total acreage (estimated) of all existing wetlands on the property: N/A
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.
N/A (There are no direct impacts to intermittent or perennial streams associated with this
project).
Stream Impact Type of Perennial or Average Impact Area of
Number Stream Name Impact Intermittent? Stream Width Length Impact
indicate on ma Before Impact linear feet acres
N/A Unnamed Tributary to Aerial Intermittent 12 1.7 <0.01
Lynn Branch Crossing
Total Stream Impact (by length and acreage) 1.7 <0.01
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. N/A
Page 8 of 12
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): <0.01
Wetland Impact (acres): N/A
Open Water Impact (acres): N/A
Total Impact to Waters of the U.S. (acres) N/A
Total Stream Impact (linear feet): 1.7
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
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
Current land use in the vicinity of the pond: N/A
Size of watershed draining to pond: N/A Expected pond surface area: N/A
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. The Town of Cary was at all
times committed to incorporating all reasonable and practical design features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases and minimization methods were incorporated as part of the project design. The on ginal
intent of this installation was to bore the encasement pipe under the entire roadway extending
under the unnamed tributary to Lynn Branch on the south side of US 1/64, resulting in no direct
and/or indirect impacts to the unnamed tributary to Lynn Branch. However, due to an elevation
problem with the bore, the encasement pipe extended under US 1/64 as planned but crossed aerial
to the stream instead of buried.
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
Page 9 of 12
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/ncwetiands/strm gide.html.
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.
The Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This option would provide a means to increase the clearance between the normal
water level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow
through the stream. This option would consist of converting the existing crossing to a more
standard aerial crossing typically utilized for gravity sewer installations. The conversion
process would involve removing the 20-inch diameter encasement pipe and leaving the 10-
inch diameter gravity pipe exposed at the crossing. In order to leave the sewer line exposed
it will have to be secured at the crossing. The proposed plan includes securing the rg avity
sewer line to the encasement pipe on both sides of the crossing through welded connections
and by restraining the carrier pipe crossing the stream with restrained pie fittings. No
excavation, piers, or concrete are required with this proposal.
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://112o.enr.state.nc.us/wm/index.litni. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Page 10 of 12
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)
1. Does the project involve an expenditure of public (federal/state/local) funds or the use of
public (federaUstate) 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 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 )? 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. N/A
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
Page 11 of 12
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. N/A
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.
N/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. 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/newetlands. If no, please provide a short narrative description: The
project is only intended to provide gravity service to an existing community (Hillsdale Forest) on
the north side of US 1/64.
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).

'-f ^- z - 0-
5--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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Site Vicinity Map Dwn By: FIGURE
TBA
EcoScience Unnamed Tributary to Lynn Branch ChkBy:
Cary Sewer at 1-64 HS
Corporation Project No
: 05-236
02 Date:
Raleigh, North Carolina .
. SEPT 2005
EcoScience
I L- Wake County, North Carolina ESC Project No.:
os-236.02
.I
EcoScience
1101 IIayncs Street Suite 101 Raleikh, NC 2 604 Telephone: [phone] Fax: [phone]
September 20, 2005
Ms. Christina Breen
N.C. Division of Water Quality
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
l,ra,Vi Rr^
2 0 0 5 1 7 8 4
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Sp 2 0 2005
\,"ETUNDS M40 STTOR09M BRAN
Subject: Application for Section 401 Water Quality Certification associated with
NWP No. 12 for Fairfield Pump Station Abandonment and Gravity Sewer
Extension in Wake County, Town of Cary Project Number SW-1046
Dear Christina:
The purpose of this letter is to provide you with information concerning Section 404
jurisdictional impacts that incidentally occurred as a result of the Fairfield Pump Station
abandonment and gravity sewer extension under US Highway 1/US Highway 64 (US1/US64),
near its intersection with Walnut Street in Cary, North Carolina (Figure 1). Please find attached
this summary letter, a project vicinity map (Figure 1), the original construction plans, a profile
view of the proposed mitigation alternative, a completed Pre-Construction Notification form for
NWP No. 12, and a Section 401 Water Quality Certification application fee of $200.00.
Project Description: The Town of Cary recently extended a gravity sewer line under US1/US64,
near its intersection with Walnut Street in Cary, North Carolina (see attached Figure 1). The
project was initially created with the intention of extending a gravity sewer main across
USIIUS64 to connect with the existing sewer system such that the Fairfiled Pump Station could
be removed from service. A secondary goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, a sub-division located on
the north side of US 1/64, near its intersection with Walnut Street.
The project to extend gravity sewer service across US1/US64 was accelerated in 2004 in order to
coordinate the pump station elimination and gravity sewer extension project with the North
Carolina Department of Transportation (NCDOT) project to improve US1/US64. As a result of
cooperation with the NCDOT, the design plans for the Fairfield Pump Station abandonment,
gravity sewer extension, and bore under US1/US64 were prepared by the Town of Cary. The
original intent of this installation was to bore a 20-inch encasement pipe under the entire
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 2 of 4
roadway and under an unnamed tributary to Lynn Branch that flows on the south side of
US1/US64 (Figure 1) without disturbing the stream. Due to an elevation problem with the bore,
the encasement pipe extended under US 1/US64 as planned but crossed aerial to the stream
instead of buried. The bottom surface of the encasement pipe now rests at the normal water level
of the stream, approximately 8 to 10 inches above the streambed elevation.
Purpose and Need: The Fairfield Pump Station is one of the older pump stations in the Cary
sewer system and was recommended for removal in the Cary Wastewater System Master Plan.
In the absence of gravity sewer connectivity on the north side of US1/US64, this pump station
has provided sewer service to the cluster of businesses without gravity sewer service between
Walnut Street and US1/US64.
As previously mentioned, another goal of the project was to provide sewer service for residents
of Hillsdale Forest who were annexed into the Town of Cary in 2003. Within Hillsdale Forest,
there have been multiple complaints filed with the Wake County Environmental Services with
reference to failing septic systems and contaminated wells, many of which have tested positive
for E. Coli and Total Coliform. On February 17, 2003, the residents of Hillsdale Forest
submitted a petition to the Town of Cary requesting water and sewer service. The petition was
accepted by the Town of Cary Manager and construction plans were generated in July of 2003.
Impacts Proposed Under NWP No. 12: Extension of the gravity sewer line resulted in
approximately 1.7 linear feet (<0.01 acre) of impact to an unnamed tributary to Lynn Branch as a
result of the aerial crossing of the sewer line across the stream surface. In addition, indirect
impacts to the unnamed tributary to Lynn Branch may include disturbance of the streambank
itself, as well as impacts associated with limited aquatic mobility and the impediment of debris
during high-water events
Avoidance, Minimization, and Compensator Mitigation: The Town of Cary has been at all
times committed to incorporating all reasonable and practical design features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases, and minimization methods were incorporated as part of the project design. The original
project design avoided any impacts to jurisdictional areas. However, as a result of the elevation
problem and subsequent aerial crossing of the stream, the Town of Cary has proposed a
mitigation alternative to reduce impacts that the sewer line crossing may have on aquatic and
debris mobility in the unnamed tributary to Lynn Branch.
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 3 of 4
A Hydrologic Engineering Center River Analysis System (HEC-RAS) analysis conducted by
EcoScience Corporation (ESC), using a 25-year storm model, indicates that both the 10-inch
pipe and 20-inch pipe will impede the flow of water during a 25-year storm. To mitigate this
impact, the Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This action would provide a means to increase the clearance between the normal water
level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow through the
stream. This option would consist of converting the existing crossing to a more standard aerial
crossing typically utilized for gravity sewer installations. The conversion process would involve
removing the 20-inch diameter encasement pipe and leaving the 10-inch diameter gravity pipe
exposed at the crossing. In order to leave the sewer line exposed, it will have to be restrained at
the crossing. The proposed plan includes restraining the gravity sewer line to the encasement
pipe on both sides of the crossing through welded connections and by restraining the carrier pipe
crossing the stream with restrained pipe fittings. No excavation, piers, or concrete are required
with this proposal. The Town of Cary will agree to schedule regular and frequent inspections of
this aerial crossing and will remove any debris that collects following high-water events.
The proposed mitigation alternative would increase the height of the crossing above the normal
water level and would not impede stream flows under most normal conditions. Additionally, this
crossing plan could be implemented with very little stream disturbance because no further
excavation operations are required. The plan has been designed to proceed without installing
concrete, although a small amount of rip-rap bank stabilization below the water line will be
necessary (see the attached profile view of the proposed mitigation alternative figure). This plan
prevents any further buffer disturbance while at the same time allowing the stream to flow
undisturbed under normal water levels.
Activities covered under the N.C. Division of Water Quality (NCDWQ) General Certification for
NWP No. 12 (GC 3374) do not require written concurrence from the NCDWQ so long as they
apply with all conditions of the General Certification and nationwide permit. However, because
this is an after-the-fact permit application, we are hereby providing you information concerning
this crossing. . EcoScience Corporation has provided a list of all conditions of the General
Certification and nationwide permit to the applicant.
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 4 of 4
The Fairfield Pump Station abandonment and gravity sewer extension project has been designed
and executed by the Town of Cary; therefore, the permittee should be designated as the Town of
Cary. The contact address and phone number are as follows:
Town of Cary Engineering Services
318 North Academy Street
Cary, NC 27511
Phone: [phone]
Fax: [phone]
Contact: Jamie Revels, P.E.
Please call me if you have any questions or need further information. Thank you for your
assistance with this project.
Yours truly,
ECOSCIENCE CORPORATION
Heather J. Saunders
Pennitting Coord' ltor
g&ma'
Attachments
Cc: Mr. Jamie Revels, P.E., Town of Cary Engineering Department

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Site Vicinity Map own By: TBA FIGURE
EcoScience Unnamed Tributary to Lynn Branch
Cary Sewer at 1-64 ChkBy:
HS
Corporation
Raleigh, North Carolina Project No.: 05-236.02 Date:
SEPT 2005
EcoScience
Wake County, North Carolina ESC Project No.:
05-236.02
Office Use Only: 2 0 0 5 F° 7 Version March 05
8 4
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. Processing
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
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: ?
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
Owner/Applicant Information
Name: Town of Cary
Mailing Address: Town of Cary Engineering Department
318 N. Academy Street
Cary, NC 27511
Attention: Jamie Revels, P.E.
Telephone Number: [phone] Fax Number: [phone]
E-mail Address: jamie.revels(a,townofcary.org
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:N/A
Company Affiliation:
Mailing Address:
Telephone Number: Fax Number:
E-mail Address:
Page 5 of 12
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: Fairfield Pump Station Abandonment and Gravity Sewer Extension
2. T.I.P. Project Number or State Project Number (NCDOT Only):
N/A
3. Property Identification Number (Tax PIN): N/A
4. Location
County: Wake County Nearest Town: Cary, NC
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): From Raleigh, NC, travel
west on I-440/US 64 towards Cary. Make a left onto Walnut Street. Take a right on Piney
Plains Road. Enter Crossroads Ford Entrance on right and travel towards the Crossroads
Ford Service Station. Project is located at the base of the causeway slope for US 64 (East)
approximately 1000 feet west of the Crossroads Ford Service Station.
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): 35 45 27.21856 ON 78 45 11.03480 °W
6. Property size (acres): N/A
7. Name of nearest receiving body of water: Unnamed Tributary to Lynn Branch
8. River Basin: Neuse River Basin
(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.ne.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: The site is considered to be an aerial sewer crossing of an
unnamed tributary to Lynn Branch. Lynn Branch is approximately 12 feet wide with banks
ranging between 2 and 5 feet in height. Base water flow depths range from 3 to 8 inches
Page 6 of 12
from the streambed. Water clarity is moderate and flow velocity is slow to moderate.
Substrate materials consist of sand, gravel, and cobble. Land use within the vicinity of the
project is urban and well-developed and includes commercial property, residential
development, and highway.
10. Describe the overall project in detail, including the type of equipment to be used: The
project was initially created with the intention of extending a gravity sewer main across US
1/64 to connect with the existing sewer system such that the Fairfield Pump Station could be
removed from service. A secondary and equally important goal of the gravity sewer
extension project included providing a link to sewer service for the residents of Hillsdale
Forest, also on the north side of US 1/64. Using a bore, the gravity sewer main was installed
with a 10-inch gravity sewer carrier pipe enclosed in a 20-inch encasement pipe. Due to an
elevation problem with the bore, the encasement pipe extended under US1/64 but crossed
aerial to the stream instead of buried. The bottom surface of the encasement pipe rests at the
normal water level of the stream, approximately 8 to 10 inches above the stream bed
elevation.
11. Explain the purpose of the proposed work: The project was initially created with the
intention of extending a gravity sewer main across US 1/64 to connect with the existing
sewer system such that the Fairfield Pump Station could be removed from service. A
secondary and equally important goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, also on the north side
of US 1 /64.
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. N/A
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
Page 7 of 12
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.
1. Provide a written description of the proposed impacts: Extension of the gravity sewer
line resulted in approximately 1.7 linear feet of impact to an unnamed tributary to Lynn
Branch as a result of the aerial crossing of the sewer line across the stream surface. In
addition, indirect impacts to the unnamed tributary to Lynn Branch may include impacts to
the streambank itself, as well as impacts associated with limited aquatic mobility and the
impediment of debris during high water events
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. N/A (There are no wetlands
located at the nroiect site.
3. List the total acreage (estimated) of all existing wetlands on the property: N/A
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.
N/A (There are no direct impacts to intermittent or perennial streams associated with this
project).
Stream Impact
Type
Perennial or Average Impact Area of
Number Stream Name
Impact
Impact
Intermittent? Stream Width Length Impact
indicate on ma Before Impact (linear feet) (acres)
N/A Unnamed Tributary to Aerial Intermittent 12 1
7 <0
01
Lynn Branch Crossing . .
Total Stream Impact (by length and acreage) 1.7 <0.01
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. N/A
Page 8 of 12
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): <0.01
Wetland Impact (acres): N/A
Open Water Impact (acres): N/A
Total Impact to Waters of the U.S. (acres) N/A
Total Stream Impact (linear feet): 1.7
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
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
Current land use in the vicinity of the pond: N/A
Size of watershed draining to pond: N/A Expected pond surface area: N/A
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. The Town of Cary was at all
times committed to incomoratiniz all reasonable and practical desian features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases and minimization methods were incorporated as part of the project design. The original
intent of this installation was to bore the encasement pipe under the entire roadway extending
under the unnamed tributary to Lynn Branch on the south side of US 1/64, resulting in no direct
and/or indirect impacts to the unnamed tributary to Lynn Branch. However, due to an elevation
problem with the bore, the encasement pipe extended under US1/64 as planned but crossed aerial
to the stream instead of buried.
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
Page 9 of 12
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://l12o.enr.state.nc.us/ncwetlands/strmgide.litml.
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.
The Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This option would provide a means to increase the clearance between the normal
water level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow
through the stream. This option would consist of converting the existing crossing to a more
standard aerial crossing typically utilized for gravity sewer installations. The conversion
process would involve removing the 20-inch diameter encasement pipe and leaving the 10-
inch diameter gravity pipe exposed at the crossing. In order to leave the sewer line exposed
it will have to be secured at the crossing. The proposed plan includes securing the gravity
sewer line to the encasement pipe on both sides of the crossing through welded connections
and by restraining the carrier pipe crossing the stream with restrained pipe fittings. No
excavation, piers, or concrete are required with this proposal.
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://h2o.enr.state.nc.us/wm/index.litni. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Page 10 of 12
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)
1. Does the project involve an expenditure of public (federaUstate/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 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 213 .0233
(Neuse), 15A NCAC 213 .0259 (Tar-Pamlico), 15A NCAC 02B .0243 (Catawba) 15A NCAC
213 .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. N/A
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 213 .0242 or.0244, or.0260. N/A
Page 11 of 12
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. N/A
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.
N/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. 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 El 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://l12o.enr.state.ne.us/ncwetiands. If no, please provide a short narrative description: The
project is only intended to provide gravity service to an existing community (Hillsdale Forest) on
the north side of US 1/64.
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).
?!-e -Z,--, - GS-
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 12 of 12

EcoScience
1101 Haynes Street Suite 101 Raleifih, INC 27604 Telephone: [phone] Fax: [phone]
2 0 0 5 1 7 8 4
September 20, 2005
Ms. Christina Breen
N.C. Division of Water Quality
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
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SEP 2 p 2005
DENR?p SZOFUd'>rlt??B?DH
Subject: Application for Section 401 Water Quality Certification associated with
NWP No. 12 for Fairfield Pump Station Abandonment and Gravity Sewer
Extension in Wake County, Town of Cary Project Number SW-1046
Dear Christina:
The purpose of this letter is to provide you with information concerning Section 404
jurisdictional impacts that incidentally occurred as a result of the Fairfield Pump Station
abandonment and gravity sewer extension under US Highway 1/US Highway 64 (US1/US64),
near its intersection with Walnut Street in Cary, North Carolina (Figure 1). Please find attached
this summary letter, a project vicinity map (Figure 1), the original construction plans, a profile
view of the proposed mitigation alternative, a completed Pre-Construction Notification form for
NWP No. 12, and a Section 401 Water Quality Certification application fee of $200.00.
Project Description: The Town of Cary recently extended a gravity sewer line under USUUS64,
near its intersection with Walnut Street in Cary, North Carolina (see attached Figure 1). The
project was initially created with the intention of extending a gravity sewer main across
US1/US64 to connect with the existing sewer system such that the Fairfiled Pump Station could
be removed from service. A secondary goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, a sub-division located on
the north side of US 1/64, near its intersection with Walnut Street.
The project to extend gravity sewer service across US1[US64 was accelerated in 2004 in order to
coordinate the pump station elimination and gravity sewer extension project with the North
Carolina Department of Transportation (NCDOT) project to improve USUUS64. As a result of
cooperation with the NCDOT, the design plans for the Fairfield Pump Station abandonment,
gravity sewer extension, and bore under US1/US64 were prepared by the Town of Cary. The
original intent of this installation was to bore a 20-inch encasement pipe under the entire
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 2 of 4
roadway and under an unnamed tributary to Lynn Branch that flows on the south side of
US1/US64 (Figure 1) without disturbing the stream. Due to an elevation problem with the bore,
the encasement pipe extended under US1/US64 as planned but crossed aerial to the stream
instead of buried. The bottom surface of the encasement pipe now rests at the normal water level
of the stream, approximately 8 to 10 inches above the streambed elevation.
Purpose and Need: The Fairfield Pump Station is one of the older pump stations in the Cary
sewer system and was recommended for removal in the Cary Wastewater System Master Plan.
In the absence of gravity sewer connectivity on the north side of US1/US64, this pump station
has provided sewer service to the cluster of businesses without gravity sewer service between
Walnut Street and US1/US64.
As previously mentioned, another goal of the project was to provide sewer service for residents
of Hillsdale Forest who were annexed into the Town of Cary in 2003. Within Hillsdale Forest,
there have been multiple complaints filed with the Wake County Environmental Services with
reference to failing septic systems and contaminated wells, many of which have tested positive
for E. Coli and Total Coliform. On February 17, 2003, the residents of Hillsdale Forest
submitted a petition to the Town of Cary requesting water and sewer service. The petition was
accepted by the Town of Cary Manager and construction plans were generated in July of 2003.
Impacts Proposed Under NWP No. 12: Extension of the gravity sewer line resulted in
approximately 1.7 linear feet (<0.01 acre) of impact to an unnamed tributary to Lynn Branch as a
result of the aerial crossing of the sewer line across the stream surface. In addition, indirect
impacts to the unnamed tributary to Lynn Branch may include disturbance of the streambank
itself, as well as impacts associated with limited aquatic mobility and the impediment of debris
during high-water events
Avoidance, Minimization, and Compensatory Mitigation: The Town of Cary has been at all
times committed to incorporating all reasonable and practical design features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases, and minimization methods were incorporated as part of the project design. The original
project design avoided any impacts to jurisdictional areas. However, as a result of the elevation
problem and subsequent aerial crossing of the stream, the Town of Cary has proposed a
mitigation alternative to reduce impacts that the sewer line crossing may have on aquatic and
debris mobility in the unnamed tributary to Lynn Branch.
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 3 of 4
A Hydrologic Engineering Center River Analysis System (HEC-RAS) analysis conducted by
EcoScience Corporation (ESC), using a 25-year stonn model, indicates that both the 10-inch
pipe and 20-inch pipe will impede the flow of water during a 25-year storm. To mitigate this
impact, the Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This action would provide a means to increase the clearance between the normal water
level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow through the
stream. This option would consist of converting the existing crossing to a more standard aerial
crossing typically utilized for gravity sewer installations. The conversion process would involve
removing the 20-inch diameter encasement pipe and leaving the 10-inch diameter gravity pipe
exposed at the crossing. In order to leave the sewer line exposed, it will have to be restrained at
the crossing. The proposed plan includes restraining the gravity sewer line to the encasement
pipe on both sides of the crossing through welded connections and by restraining the carrier pipe
crossing the stream with restrained pipe fittings. No excavation, piers, or concrete are required
with this proposal. The Town of Cary will agree to schedule regular and frequent inspections of
this aerial crossing and will remove any debris that collects following high-water events.
The proposed mitigation alternative would increase the height of the crossing above the normal
water level and would not impede stream flows under most normal conditions. Additionally, this
crossing plan could be implemented with very little stream disturbance because no further
excavation operations are required. The plan has been designed to proceed without installing
concrete, although a small amount of rip-rap bank stabilization below the water line will be
necessary (see the attached profile view of the proposed mitigation alternative figure). This plan
prevents any further buffer disturbance while at the same time allowing the stream to flow
undisturbed under normal water levels.
Activities covered under the N.C. Division of Water Quality (NCDWQ) General Certification for
NWP No. 12 (GC 3374) do not require written concurrence from the NCDWQ so long as they
apply with all conditions of the General Certification and nationwide permit. However, because
this is an after-the-fact permit application, we are hereby providing you information concerning
this crossing. . EcoScience Corporation has provided a list of all conditions of the General
Certification and nationwide permit to the applicant.
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 4 of 4
The Fairfield Pump Station abandonment and gravity sewer extension project has been designed
and executed by the Town of Cary; therefore, the permittee should be designated as the Town of
Cary. The contact address and phone number are as follows:
Town of Cary Engineering Services
318 North Academy Street
Cary, NC 27511
Phone: [phone]
Fax: [phone]
Contact: Jamie Revels, P.E.
Please call me if you have -any questions or need further information. Thank you for your
assistance with this project.
Yours truly,
ECOSCIENCE CORPORATION
Heather J. Saund is
Permitting Coordinator
Attachments
Cc: Mr. Jamie Revels, P.E., Town of Cary Engineering Department
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Site Vicinity Map own By: FIGURE
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Corporation Project No.: 05-236.02 Date:
Raleigh, North Carolina SEPT 2005

EcoScience
Wake County, North Carolina ESC Project No.:
05-236.02 '
Office Use Only: Form Version March 05
2 0
USACE Action ID No. DWQ No. 0 5 1 7 8 4
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ? Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ? 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: ?
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
Owner/Applicant Information
Name: Town of
Mailing Address: Town of Cary Engineering Department
318 N. Academy Street
Cary, NC 27511
Attention: Jamie Revels, P.E.
Telephone Number: [phone] Fax Number: [phone]
E-mail Address: iamie.revels(a,townofcary.org
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:N/A
Company Affiliation:
Mailing Address:
Telephone Number:
E-mail Address:
Fax Number:
Page 5 of 12
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: Fairfield Pump Station Abandonment and Gravity Sewer Extension
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN): N/A
4. Location
County: Wake County Nearest Town: Cary, NC
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): From Raleigh, NC, travel
west on I-440/US 64 towards Cary. Make a left onto Walnut Street. Take a right on Piney
Plains Road. Enter Crossroads Ford Entrance on right and travel towards the Crossroads
Ford Service Station. Project is located at the base of the causeway slope for US 64 (East)
approximately 1000 feet west of the Crossroads Ford Service Station.
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): 35 45 27.21856 ON 78 45 11.03480 °W
6. Property size (acres): N/A
7. Name of nearest receiving body of water: Unnamed Tributary to Lynn Branch
8. River Basin: Neuse River Basin
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at http://1i2o.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: The site is considered to be an aerial sewer crossing of an
unnamed tributary to Lynn Branch. Lynn Branch is approximately 12 feet wide with banks
ranging between 2 and 5 feet in height. Base water flow depths range from 3 to 8 inches
Page 6 of 12
from the streambed. Water clarity is moderate and flow velocity is slow to moderate.
Substrate materials consist of sand, gravel, and cobble. Land use within the vicinity of the
project is urban and well-developed and includes commercial property, residential
development, and highway.
10. Describe the overall project in detail, including the type of equipment to be used: The
project was initially created with the intention of extending a gravity sewer main across US
1/64 to connect with the existing sewer system such that the Fairfield Pump Station could be
removed from service. A secondary and equally important goal of the gravity sewer
extension project included providing a link to sewer service for the residents of Hillsdale
Forest, also on the north side of USl/64. Using a bore, the gravity sewer main was installed
with a 10-inch gravity sewer carrier pipe enclosed in a 20-inch encasement pipe. Due to an
elevation problem with the bore, the encasement pipe extended under US1/64 but crossed
aerial to the stream instead of buried. The bottom surface of the encasement pipe rests at the
normal water level of the stream, approximately 8 to 10 inches above the stream bed
elevation.
11. Explain the purpose of the proposed work: The project was initially created with the
intention of extending a gravity sewer main across US 1/64 to connect with the existing
sewer system such that the Fairfield Pump Station could be removed from service. A
secondary and equally important goal of the gravity sewer extension project included
providin,g a link to sewer service for the residents of Hillsdale Forest, also on the north side
of US 1/64.
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. N/A
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.
N/A
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
Page 7 of 12
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.
1. Provide a written description of the proposed impacts: Extension of the gravity sewer
line resulted in approximately 1.7 linear feet of impact to an unnamed tributary to L twin
Branch as a result of the aerial crossing of the sewer line across the stream surface. In
addition, indirect impacts to the unnamed tributary to Lynn Branch may include impacts to
the streambank itself, as well as impacts associated with limited aquatic mobility and the
impediment of debris during high water events
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. N/A (There are no wetlands
located at the nroiect site.
3. List the total acreage (estimated) of all existing wetlands on the property: N/A
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.
N/A (There are no direct impacts to intermittent or perennial streams associated with this
project).
Stream Impact Type of Perennial or Average Impact Area of
Number Stream Name
Impact
Intermittent? Stream Width Length Impact
indicate on ma Before Impact (linear feet) acmes
N/A Unnamed Tributary to Aerial Intermittent 12 1
7 <0
01
Lynn Branch Crossing . .
Total Stream Impact (by length and acreage) 1.7 <0.01
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. N/A
Page 8 of 12
6. List the cumulative impact to all Waters of the U.S. resulting from the project:
Stream Impact (acres): <0.01
Wetland Impact (acres): N/A
Open Water Impact (acres): N/A
Total Impact to Waters of the U.S. (acres) N/A
Total Stream Impact (linear feet): 1.7
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
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
Current land use in the vicinity of the pond: N/A
Size of watershed draining to pond: N/A Expected pond surface area: N/A
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. The Town of Cary was at all
times committed to incomoratinu all reasonable and practical desian features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases and minimization methods were incorporated as part of the project design. The original
intent of this installation was to bore the encasement pipe under the entire roadway extending
under the unnamed tributary to Lynn Branch on the south side of US 1/64, resulting in no direct
and/or indirect impacts to the unnamed tributary to Lynn Branch. However, due to an elevation
problem with the bore, the encasement pipe extended under US 1/64 as planned but crossed aerial
to the stream instead of buried.
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
Page 9 of 12
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://ii2o.enr.state.nc.us/ncwetlands/strmgide.htm].
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.
The Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This option would provide a means to increase the clearance between the normal
water level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow
through the stream. This option would consist of converting the existing crossing to a more
standard aerial crossing typically utilized for gravity sewer installations. The conversion
process would involve removing the 20-inch diameter encasement pipe and leaving the 10-
inch diameter gravity pipe exposed at the crossing. In order to leave the sewer line exposed,
it will have to be secured at the crossing. Tile proposed plan includes securing the gravity
sewer line to the encasement pipe on both sides of the crossing through welded connections
and by restraining the carrier pipe crossing the stream with restrained pie fittings. No
excavation, piers, or concrete are required with this proposal.
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://h2o.enr.state.nc.us/wm/index.litni. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Page 10 of 12
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)
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 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 )? 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. N/A
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
Page 11 of 12
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. N/A
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.
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H .0500) or any Buffer Rules?
Yes ? No N
Is this an after-the-fact permit application? Yes N 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 [:1 No N
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://112o.enr.state.nc.us/newet]ands. If no, please provide a short narrative description: The
project is only intended to provide gravity service to an existing community (Hillsdale Forest) on
the north side of US1/64.
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).
2 - d?
Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 12 of 12
1101 IIaynes Strect Suite 101 Ralci?h, IBC 27004 Telephone: [phone] Fax: [phone]
EcoScience
20051784
September 20, 2005
Ms. Christina Breen D
N.C. Division of Water Quality S F P 2 0 2005
1621 Mail Service Center
DENR - WATER QUALITY
Raleigh, North Carolina 27699-1621 WETLANDS ANDSTOR)MWATERBRANM
Subject: Application for Section 401 Water Quality Certification associated with
NWP No. 12 for Fairfield Pump Station Abandonment and Gravity Sewer
Extension in Wake County, Town of Cary Project Number SW-1046
Dear Christina:
The purpose of this letter is to provide you with information concerning Section 404
jurisdictional impacts that incidentally occurred as a result of the Fairfield Pump Station
abandonment and gravity sewer extension under US Highway l/US Highway 64 (US1/US64),
near its intersection with Walnut Street in Cary, North Carolina (Figure 1). Please find attached
this summary letter, a project vicinity map (Figure 1), the original construction plans, a profile
view of the proposed mitigation alternative, a completed Pre-Construction Notification form for
NWP No. 12, and a Section 401 Water Quality Certification application fee of $200.00.
Project Description: The Town of Cary recently extended a gravity sewer line under US1/US64,
near its intersection with Walnut Street in Cary, North Carolina (see attached Figure 1). The
project was initially created with the intention of extending a gravity sewer main across
US 11US64 to connect with the existing sewer system such that the Fairfiled Pump Station could
be removed from service. A secondary goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, a sub-division located on
the north side of US 1/64, near its intersection with Walnut Street.
The project to extend gravity sewer service across US1/US64 was accelerated in 2004 in order to
coordinate the pump station elimination and gravity sewer extension project with the North
Carolina Department of Transportation (NCDOT) project to improve US1/US64. As a result of
cooperation with the NCDOT, the design plans for the Fairfield Pump Station abandonment,
gravity sewer extension, and bore under USl/US64 were prepared by the Town of Cary. The
original intent of this installation was to bore a 20-inch encasement pipe under the entire
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 2 of 4
roadway and under an unnamed tributary to Lynn Branch that flows on the south side of
US1/US64 (Figure 1) without disturbing the stream. Due to an elevation problem with the bore,
the encasement pipe extended under US1/US64 as planned but crossed aerial to the stream
instead of buried. The bottom surface of the encasement pipe now rests at the normal water level
of the stream, approximately 8 to 10 inches above the streambed elevation.
Purpose and Need: The Fairfield Pump Station is one of the older pump stations in the Cary
sewer system and was recommended for removal in the Cary Wastewater System Master Plan.
In the absence of gravity sewer connectivity on the north side of US1/US64, this pump station
has provided sewer service to the cluster of businesses without gravity sewer service between
Walnut Street and US1/US64.
As previously mentioned, another goal of the project was to provide sewer service for residents
of Hillsdale Forest who were annexed into the Town of Cary in 2003. Within Hillsdale Forest,
there have been multiple complaints filed with the Wake County Environmental Services with
reference to failing septic systems and contaminated wells, many of which have tested positive
for E. Coli and Total Coliform. On February 17, 2003, the residents of Hillsdale Forest
submitted a petition to the Town of Cary requesting water and sewer service. The petition was
accepted by the Town of Cary Manager and construction plans were generated in July of 2003.
Impacts Proposed Under NWP No. 12: Extension of the gravity sewer line resulted in
approximately 1.7 linear feet (<0.01 acre) of impact to an unnamed tributary to Lynn Branch as a
result of the aerial crossing of the sewer line across the stream surface. In addition, indirect
impacts to the unnamed tributary to Lynn Branch may include disturbance of the streambank
itself, as well as impacts associated with limited aquatic mobility and the impediment of debris
during high-water events
Avoidance, Minimization and Compensatory Mitigation: The Town of Cary has been at all
times committed to incorporating all reasonable and practical design features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases, and minimization methods were incorporated as part of the project design. The original
project design avoided any impacts to jurisdictional areas. However, as a result of the elevation
problem and subsequent aerial crossing of the stream, the Town of Cary has proposed a
mitigation alternative to reduce impacts that the sewer line crossing may have on aquatic and
debris mobility in the unnamed tributary to Lynn Branch.
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 3 of 4
A Hydrologic Engineering Center River Analysis System (HEC-RAS) analysis conducted by
EcoScience Corporation (ESC), using a 25-year storm model, indicates that both the 10-inch
pipe and 20-inch pipe will impede the flow of water during a 25-year storm. To mitigate this
impact, the Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This action would provide a means to increase the clearance between the normal water
level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow through the
stream. This option would consist of converting the existing crossing to a more standard aerial
crossing typically utilized for gravity sewer installations. The conversion process would involve
removing the 20-inch diameter encasement pipe and leaving the 10-inch diameter gravity pipe
exposed at the crossing. In order to leave the sewer line exposed, it will have to be restrained at
the crossing. The proposed plan includes restraining the gravity sewer line to the encasement
pipe on both sides of the crossing through welded connections and by restraining the carrier pipe
crossing the stream with restrained pipe fittings. No excavation, piers, or concrete are required
with this proposal. The Town of Cary will agree to schedule regular and frequent inspections of
this aerial crossing and will remove any debris that collects following high-water events.
The proposed mitigation alternative would increase the height of the crossing above the normal
water level and would not impede stream flows under most normal conditions. Additionally, this
crossing plan could be implemented with very little stream disturbance because no further
excavation operations are required. The plan has been designed to proceed without installing
concrete, although a small amount of rip-rap bank stabilization below the water line will be
necessary (see the attached profile view of the proposed mitigation alternative figure). This plan
prevents any further buffer disturbance while at the same time allowing the stream to flow
undisturbed under normal water levels.
Activities covered under the N.C. Division of Water Quality (NCDWQ) General Certification for
NWP No. 12 (GC 3374) do not require written concurrence from the NCDWQ so long as they
apply with all conditions of the General Certification and nationwide permit. However, because
this is an after-the-fact permit application, we are hereby providing you information concerning
this crossing. . EcoScience Corporation has provided a list of all conditions of the General
Certification and nationwide permit to the applicant.
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 4 of 4
The Fairfield Pump Station abandonment and gravity sewer extension project has been designed
and executed by the Town of Cary; therefore, the permittee should be designated as the Town of
Cary. The contact address and phone number are as follows:
Town of Cary Engineering Services
318 North Academy Street
Cary, NC 27511
Phone: [phone]
Fax: [phone]
Contact: Jamie Revels, P.E.
Please call me if you have any questions or need further information. Thank you for your
assistance with this project.
Yours truly,
ECOSCIENCE CORPORATION
§649 6., AA w?
Heather J. Saun ers
Permitting Coordinator
Attachments
Cc: Mr. Jamie Revels, P.E., Town of Cary Engineering Department

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Office Use Only: Form Vcrsion March 05
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
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
2. Nationwide, Regional or General Permit Number(s) Requested: NWP 12
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
1. Owner/Applicant Information
Name: Town of Cary
Mailing Address: Town of Cary Engineering Department
318 N. Academv Street
Cary, NC 27511
Attention: Jamie Revels, P.E.
Telephone Number: [phone] Fax Number: [phone]
E-mail Address: jamie.revels(a,townofcar.org
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:N/A
Company Affiliation:
Mailing Address:
Telephone Number: Fax Number:
E-mail Address:
Page 5 of 12
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: Fairfield Pump Station Abandonment and Gravity Sewer Extension
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN): N/A
4. Location
County: Wake County Nearest Town: Cary, NC
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): From Raleigh, NC, travel
west on I-440/US 64 towards Cary. Make a left onto Walnut Street. Take a right on Piney
Plains Road. Enter Crossroads Ford Entrance on right and travel towards the Crossroads
Ford Service Station. Project is located at the base of the causeway slope for US 64 (East)
approximately 1000 feet west of the Crossroads Ford Service Station.
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): 35 45 27.21856 ON 78 45 11.03480 °W
6. Property size (acres): N/A
7. Name of nearest receiving body of water: Unnamed Tributary to Lynn Branch
8. River Basin: Neuse River Basin
(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/niaps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: Tile site is considered to be an aerial sewer crossing of an
unnamed tributary to Lynn Branch. Lynn Branch is approximately 12 feet wide with banks
ranging between 2 and 5 feet in height. Base water flow depths range from 3 to 8 inches
Page 6 of 12
from the streambed. Water clarity is moderate and flow velocity is slow to moderate.
Substrate materials consist of sand, gravel, and cobble. Land use within the vicinity of the
project is urban and well-developed and includes commercial property, residential
development, and highway.
10. Describe the overall project in detail, including the type of equipment to be used: The
project was initially created with the intention of extending a gravity sewer main across US
1/64 to connect with the existing sewer system such that the Fairfield Pump Station could be
removed from service. A secondary and equally important goal of the gravity sewer
extension project included providing a link to sewer service for the residents of Hillsdale
Forest, also on the north side of US 1/64. Using a bore, the gravity sewer main was installed
with a 10-inch gravity sewer carrier pipe enclosed in a 20-inch encasement pipe. Due to an
elevation problem with the bore, the encasement pipe extended under USl/64 but crossed
aerial to the stream instead of buried. The bottom surface of the encasement pine rests at the
normal water level of the stream, approximately 8 to 10 inches above the stream bed
elevation.
11. Explain the purpose of the proposed work: The project was initially created with the
intention of extending a gravity sewer main across US 1/64 to connect with the existing
sewer system such that the Fairfield Pump Station could be removed from service. A
secondary and equally important goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, also on the north side
of US 1/64.
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. N/A
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.
N/A
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
Page 7 of 12
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.
1. Provide a written description of the proposed impacts: Extension of the gravity sewer
line resulted in approximately 1.7 linear feet of impact to an unnamed tributary to Lynn
Branch as a result of the aerial crossing of the sewer line across the stream surface. In
addition, indirect impacts to the unnamed tributary to Lynn Branch may include impacts to
the streambank itself, as well as impacts associated with limited aquatic mobility and the
impediment of debris during high water events
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. N/A (There are no wetlands
located at the project site.
3. List the total acreage (estimated) of all existing wetlands on the property: N/A
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.
N/A (There are no direct impacts to intermittent or perennial streams associated with this
project).
Stream Impact
Type
Perennial or Average Impact Area of
Number Stream Name Impact t Intermittent? Stream Width Length Impact
indicate on ma Before Impact linear feet acres
N/A Unnamed Tributary to Aerial Intermittent 12 1
7 <0
01
Lynn Branch Crossing . .
Total Stream Impact (by length and acreage) 1.7 <0.01
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. N/A
Page 8 of 12
6. List the cumulative impact to all Waters of the U.S. resulting from the proiect:
Stream Impact (acres): <0.01
Wetland Impact (acres): N/A
Open Water Impact (acres): N/A
Total Impact to Waters of the U.S. (acres) N/A
Total Stream Impact (linear feet): 1.7
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
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
Current land use in the vicinity of the pond: N/A
Size of watershed draining to pond: N/A Expected pond surface area: N/A
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. The Town of Cary was at all
times committed to incorporating all reasonable and practical design features to avoid and
minimize iurisdictional area impacts. Avoidance measures were taken during the planning
phases and minimization methods were incorporated as part of the project design. The original
intent of this installation was to bore the encasement pipe under the entire roadway extending
under the unnamed tributary to Lynn Branch on the south side of US 1/64, resulting in no direct
and/or indirect impacts to the unnamed tributary to Lynn Branch. However, due to an elevation
problem with the bore, the encasement pipe extended under US 1/64 as planned but crossed aerial
to the stream instead of buried.
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
Page 9 of 12
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
littp:Hli2o.enr.state.nc.us/ncwetlands/stmigidc.litm1.
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.
The Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This option would provide a means to increase the clearance between the normal
water level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow
through the stream. This option would consist of converting the existing crossing to a more
standard aerial crossing typically utilized for gravity sewer installations. The conversion
process would involve removing the 20-inch diameter encasement pipe and leaving the 10-
inch diameter gravity pine exposed at the crossing. In order to leave the sewer line exposed
it will have to be secured at the crossing. The proposed plan includes securing the gravity
sewer line to the encasement pipe on both sides of the crossing through welded connections
and by restraining the carrier pipe crossing the stream with restrained pipe fittings. No
excavation, piers, or concrete are required with this proposal.
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 littp://h2o.enr.state.nc.us/wrp/index.litni. If use of the NCEEP is proposed, please
check the appropriate box on page five and provide the following information:
Page 10 of 12
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)
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 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 )? 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. N/A
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
Page 11 of 12
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. N/A
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.
N/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. 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
littp://h2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: The
project is only intended to provide gravity service to an existing community (Hillsdale Forest) on
the north side of US1/64.
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).

Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided.)
Page 12 of 12
C'sl
1101 IIaynes Street Suite 101 Ralci,a h, 1C 27604 're1cphone: 919.828.3433 Fax: [phone]
EcoScience 2 0 0 5 1 7 8 4
September 20, 2005
5
SEP2ptUU
Ms. Christina Breen QUALITY
N.C. Division of Water Quality `+ WoSTMx MEReR?H
1621 Mail Service Center
Raleigh, North Carolina 27699-1621
Subject: Application for Section 401 Water Quality Certification associated with
NWP No. 12 for Fairfield Pump Station Abandonment and Gravity Sewer
Extension in Wake County, Town of Cary Project Number SW-1046
Dear Christina:
The purpose of this letter is to provide you with information concerning Section 404
jurisdictional impacts that incidentally occurred as a result of the Fairfield Pump Station
abandonment and gravity sewer extension under US Highway 1/US Highway 64 (USl/US64),
near its intersection with Walnut Street in Cary, North Carolina (Figure 1). Please find attached
this summary letter, a project vicinity map (Figure 1), the original construction plans, a profile
view of the proposed mitigation alternative, a completed Pre-Construction Notification form for
NWP No. 12, and a Section 401 Water Quality Certification application fee of $200.00.
Project Description: The Town of Cary recently extended a gravity sewer line under US1/US64,
near its intersection with Walnut Street in Cary, North Carolina (see attached Figure 1). The
project was initially created with the intention of extending a gravity sewer main across
US1/US64 to connect with the existing sewer system such that the Fairfiled Pump Station could
be removed from service. A secondary goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, a sub-division located on
the north side of US 1/64, near its intersection with Walnut Street.
The project to extend gravity sewer service across US1/US64 was accelerated in 2004 in order to
coordinate the pump station elimination and gravity sewer extension project with the North
Carolina Department of Transportation (NCDOT) project to improve US1/US64. As a result of
cooperation with the NCDOT, the design plans for the Fairfield Pump Station abandonment,
gravity sewer extension, and bore under US1/US64 were prepared by the Town of Cary. The
original intent of this installation was to bore a 20-inch encasement pipe under the entire
EcoScience Cofporation
Ms. Christina Breen
September 20, 2005
Page 2 of 4
roadway and under an unnamed tributary to Lynn Branch that flows on the south side of
USl/US64 (Figure 1) without disturbing the stream. Due to an elevation problem with the bore,
the encasement pipe extended under US1/US64 as planned but crossed aerial to the stream
instead of buried. The bottom surface of the encasement pipe now rests at the normal water level
of the stream, approximately 8 to 10 inches above the streambed elevation.
Purpose and Need: The Fairfield Pump Station is one of the older pump stations in the Cary
sewer system and was recommended for removal in the Cary Wastewater System Master Plan.
In the absence of gravity sewer connectivity on the north side of US1/US64, this pump station
has provided sewer service to the cluster of businesses without gravity sewer service between
Walnut Street and US 1/US64.
As previously mentioned, another goal of the project was to provide sewer service for residents
of Hillsdale Forest who were annexed into the Town of Cary in 2003. Within Hillsdale Forest,
there have been multiple complaints filed with the Wake County Environmental Services with
reference to failing septic systems and contaminated wells, many of which have tested positive
for E. Coli and Total Coliform. On February 17, 2003, the residents of Hillsdale Forest
submitted a petition to the Town of Cary requesting water and sewer service. The petition was
accepted by the Town of Cary Manager and construction plans were generated in July of 2003.
Impacts Proposed Under NWP No. 12: Extension of the gravity sewer line resulted in
approximately 1.7 linear feet (<0.01 acre) of impact to an unnamed tributary to Lynn Branch as a
result of the aerial crossing of the sewer line across the stream surface. In addition, indirect
impacts to the unnamed tributary to Lynn Branch may include disturbance of the streambank
itself, as well as impacts associated with limited aquatic mobility and the impediment of debris
during high-water events
Avoidance, Minimization and Compensatory Mitigation: The Town of Cary has been at all
times committed to incorporating all reasonable and practical design features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases, and minimization methods were incorporated as part of the project design. The original
project design avoided any impacts to jurisdictional areas. However, as a result of the elevation
problem and subsequent aerial crossing of the stream, the Town of Cary has proposed a
mitigation alternative to reduce impacts that the sewer line crossing may have on aquatic and
debris mobility in the unnamed tributary to Lynn Branch.
EcoScience Corporation
Ms. Christina Breen
September 20, 2005
Page 3 of 4
A Hydrologic Engineering Center River Analysis System (HEC-RAS) analysis conducted by
EcoScience Corporation (ESC), using a 25-year storm model, indicates that both the 10-inch
pipe and 20-inch pipe will impede the flow of water during a 25-year storm. To mitigate this
impact, the Town of Cary proposes to convert the current stream crossing to a typical aerial
crossing. This action would provide a means to increase the clearance between the normal water
level in the stream and the aerial sewer crossing, thereby allowing unimpeded flow through the
stream. This option would consist of converting the existing crossing to a more standard aerial
crossing typically utilized for gravity sewer installations. The conversion process would involve
removing the 20-inch diameter encasement pipe and leaving the 10-inch diameter gravity pipe
exposed at the crossing. In order to leave the sewer line exposed, it will have to be restrained at
the crossing. The proposed plan includes restraining the gravity sewer line to the encasement
pipe on both sides of the crossing through welded connections and by restraining the carrier pipe
crossing the stream with restrained pipe fittings. No excavation, piers, or concrete are required
with this proposal. The Town of Cary will agree to schedule regular and frequent inspections of
this aerial crossing and will remove any debris that collects following high-water events.
The proposed mitigation alternative would increase the height of the crossing above the normal
water level and would not impede stream flows under most normal conditions. Additionally, this
crossing plan could be implemented with very little stream disturbance because no further
excavation operations are required. The plan has been designed to proceed without installing
concrete, although a small amount of rip-rap bank stabilization below the water line will be
necessary (see the attached profile view of the proposed mitigation alternative figure). This plan
prevents any further buffer disturbance while at the same time allowing the stream to flow
undisturbed under normal water levels.
Activities covered under the N.C. Division of Water Quality (NCDWQ) General Certification for
NWP No. 12 (GC 3374) do not require written concurrence from the NCDWQ so long as they
apply with all conditions of the General Certification and nationwide permit. However, because
this is an after-the-fact permit application, we are hereby providing you information concerning
this crossing. . EcoScience Corporation has provided a list of all conditions of the General
Certification and nationwide permit to the applicant.
EcoScience Coipoi-ation
Ms. Christina Breen
September 20, 2005
Page 4 of 4
The Fairfield Pump Station abandonment and gravity sewer extension project has been designed
and executed by the Town of Cary; therefore, the permittee should be designated as the Town of
Cary. The contact address and phone number are as follows:
Town of Cary Engineering Services
318 North Academy Street
Cary, NC 27511
Phone: [phone]
Fax: [phone]
Contact: Jamie Revels, P.E.
Please call me if you have any questions or need further information. Thank you for your
assistance with this project.
Yours truly,
ECOSCIENCE CORPORATION
#a-940111' Fmdwk-
Heather J. Saunders
Permitting Coordinator
Attachments
Cc: Mr. Jamie Revels, P.E., Town of Cary Engineering Department
Office Use Only: Form Vcrsion March 05
200517°x.
USACE Action ID No. DWQ No.
(If any particular item is not applicable to this project, please enter "Not Applicable" or "N/A".)
1. Processing
1. Check all of the approval(s) requested for this project:
® Section 404 Permit ? Riparian or Watershed Buffer Rules
? Section 10 Permit ? Isolated Wetland Permit from DWQ
® 401 Water Quality Certification ? 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: ?
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
1. Owner/Applicant Information
Name: Town of Cary
Mailing Address: Town of Cary Engineering Department
318 N. Academy Street
Cary, NC 27511
Attention: Jamie Revels. P.E.
Telephone Number: [phone] Fax Number: [phone]
E-mail Address: jamie.revel s@townofcary. org
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:N/A
Company Affiliation:
Mailing Address:
Telephone Number: Fax Number:
E-mail Address:
Page 5 of 12
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: Fairfield Pump Station Abandonment and Gravity Sewer Extension
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN):
4. Location
County: Wake County Nearest Town: Cary, NC
Subdivision name (include phase/lot number): N/A
Directions to site (include road numbers/names, landmarks, etc.): From Raleigh, NC, travel
west on I-440/US 64 towards Cary. Make a left onto Walnut Street. Take a right on Piney
Plains Road. Enter Crossroads Ford Entrance on right and travel towards the Crossroads
Ford Service Station. Project is located at the base of the causeway slope for US 64 (East)
approximately 1000 feet west of the Crossroads Ford Service Station.
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): 35 45 27.21856 ON 78 45 11.03480 °W
6. Property size (acres): N/A
Name of nearest receiving body of water: Unnamed Tributary to Lynn Branch
8. River Basin: Neuse River Basin
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at littp://li2o.enr.state.nc.us/admin/niaps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: The site is considered to be an aerial sewer crossing of an
unnamed tributary to Lynn Branch. Lynn Branch is approximately 12 feet wide with banks
ranging between 2 and 5 feet in height. Base water flow depths range from 3 to 8 inches
Page 6 of 12
from the streambed. Water clarity is moderate and flow velocity is slow to moderate.
Substrate materials consist of sand, gravel, and cobble. Land use within the vicinity of the
project is urban and well-developed and includes commercial property, residential
development, and highway.
10. Describe the overall project in detail, including the type of equipment to be used: The
project was initially created with the intention of extending a gravity sewer main across US
1/64 to connect with the existing sewer system such that the Fairfield Pump Station could be
removed from service. A secondary and equally important goal of the gravity sewer
extension project included providing a link to sewer service for the residents of Hillsdale
Forest, also on the north side of US1/64. Using a bore, the gravity sewer main was installed
with a 10-inch gravity sewer carrier pipe enclosed in a 20-inch encasement pipe. Due to an
elevation problem with the bore, the encasement pipe extended under US1/64 but crossed
aerial to the stream instead of buried. The bottom surface of the encasement pipe rests at the
normal water level of the stream, approximately 8 to 10 inches above the stream bed
elevation.
11. Explain the purpose of the proposed work: The project was initially created with the
intention of extending a gravity sewer main across US 1/64 to connect with the existing
sewer system such that the Fairfield Pump Station could be removed from service. A
secondary and equally important goal of the gravity sewer extension project included
providing a link to sewer service for the residents of Hillsdale Forest, also on the north side
of US 1/64.
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. N/A
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.
N/A
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
Page 7 of 12
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.
1. Provide a written description of the proposed impacts: Extension of the gravity sewer
line resulted in approximately 1.7 linear feet of impact to an unnamed tributary to LyLin
Branch as a result of the aerial crossing of the sewer line across the stream surface. In
addition, indirect impacts to the unnamed tributary to Lynn Branch may include impacts to
the streambank itself, as well as impacts associated with limited aquatic mobility and the
impediment of debris during high water events
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. N/A (There are no wetlands
located at the project site.
3. List the total acreage (estimated) of all existing wetlands on the property: N/A
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.
N/A (There are no direct impacts to intermittent or perennial streams associated with this
project).
Stream Impact Type of Perennial or Average Impact Area of
Number Stream Name
Impact
Intermittent? Stream Width Length Impact
indicate on ma Before Impact (linear feet) (acres)
N/A Unnamed Tributary to Aerial Intermittent 12 1
7 <0
01
Lynn Branch Crossing . .
Total Stream Impact (by length and acreage) 1.7 <0.01
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. N/A
Page 8 of 12
6. List the cumulative impact to all Waters of the U.S. resulting from the project.
Stream Impact (acres): <0.01
Wetland Impact (acres): N/A
Open Water Impact (acres): N/A
Total Impact to Waters of the U.S. (acres) N/A
Total Stream Impact (linear feet): 1.7
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
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
Current land use in the vicinity of the pond: N/A
Size of watershed draining to pond: N/A Expected pond surface area: N/A
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts. The Town of Cary was at all
times committed to incorporating all reasonable and practical desi.9n features to avoid and
minimize jurisdictional area impacts. Avoidance measures were taken during the planning
phases and minimization methods were incorporated as part of the project design. The original
intent of this installation was to bore the encasement pipe under the entire roadway extending
under the unnamed tributary to Lynn Branch on the south side of US 1/64, resulting in no direct
and/or indirect impacts to the unnamed tributary to Lynn Branch. However, due to an elevation
problem with the bore the encasement pipe extended under US 1/64 as planned but crossed aerial
to the stream instead of buried.
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
Page 9 of 12
XI. Stormwater (required by DWQ)
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)
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 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
(Neuse), 15A NCAC 213 .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. N/A
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 213 .0242 or.0244, or.0260. N/A
Page 11 of 12
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. N/A
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.
N/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. 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://h 2o.enr.state.nc.us/ncwetlands. If no, please provide a short narrative description: The
project is only intended to provide r? avity service to an existing community (Hillsdale Forest on
the north side of US 1/64.
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).

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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SIA 14
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(SiA 3166
981 .
7J S1A ,3460
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(SIA 411453 N)

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IT"I C011RACIOR SHALL PROVIDE
A S10. 5-FT DIAMETER PRECAST
CONCRETE MANHOLE SEE SRI. 3 V
A
1 w
°'-

(t
DETAIL 0]00001. 1 ?' G
THE CONTRACTOR SNAIL PROVDE
A SID. MH RING AND COVER FOR
Ou TFALLS AS SHOYM IN STD.
DETAIL 07DOD.03 SHEET 2 OF 3, }
Fi

(r
?
LOCKING COVERS ARE REOUIRED.
THE CONTRACTOR SHALL PROVDE ?? ?.
Iy7
A STD. 5-FT DIAMETER PRECAST
CONCRETE MANHOL SEE STD.
4b
(IJ].1fi0 M) DETAIL 0)000.01.
Ml CO':IRACiOA SHALL FR 0' DC (137.160M) IL4

THE CONTRACTOR SHALL PROVO, J
A SID. NH RING AND COVER FOR
DU TFALLS AS SHOW IN SID.
DETAL 0]000.03 SHEET 2 a 3.
w?ff tA11
4'A 11.5ew e
s )
i
A SM. 4-FT DIAMETER PRECAST LON NO COVERS ARE RFOUIRFD. AIM, i
r l??lm .;
4w

OR SHALL PAONDC _
)THE CONTRACT
(134111 N AN APPROVED CONNECDg4 i0
XISPNC AIH'A'-1

HE CONTRACTOR SHALE ?RONDE
ASID. 5-I r DIAMETER PRECAST

RW U-31D1, PROPOSED
IRON 0-3101, Pka05C0 SNOJLDCA ELCVAIION
SHOULDER ELEVATION

El-l 10017.E SEE 510.
C 0E
;'C1AIl
0]00'701
PPDVDLi
AHSIDUIH ARIN AND OVER fOR

Henw h
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DETAIL IL 1ANHUL!S! SEE S
Of TAI

L 070'q 01
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ROADW

AY Eti VAl10N ALLS AS SFOWN IN SID.

27011 OI000 DS SHEE7 2 a J. - __...

?
1]12064
(
wR N
) THE CONTRACTOR E PR
0110E IA
A STD. 4-FT D
E MANHOLE EIER PRECAST
CONCRETE MANHOLE SCE SID. S AR[ ACWIR[0.
ICCN NC COVE
? " _... .m /A 1T"

ME CONTRACTOR SHALL PROVOS
A STD. MH RING AND COVER FOR

OO TFALLS AS SHOWN IN SID

DETAIL T 1
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4 M
t ?++9 S

¢ 3
SANITARY SF'AfR PR07CRM .1URI
N
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00701E 0)000.03 SHEET 2 OF 3. THE C

ONTRACTOR SHALL PROVIDE
?_.

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SERE F
F :
10001
CONSIPUCTIOV, SCE DETAIL
]
, LOCKING COVERS APE REGUIREa A SID. un RNO AND COYER FOR Oiw (nSe1e v1
CA i
i 25908
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OUBALLS AS 5N0w0 IN 'TO. ?
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DETAIL 01000.03 SHEET 1 OF ].

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(1290
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A SID. 4-FT DIAMETER PRECAST
w
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011010 3101,
p1T OPOSE
Ao( i?
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Df TAIL 07000 Dt. i
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. (128 m
Offi4M)
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UGEN
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"d TNl CONTRACTOR SHAll PRONOC n w 1? j 3 .
wU
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131 A STD
MM RING AND COYER FOR ww (« y1 u3
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a
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RON PROPOSED
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GROUND SURFACE ,1
= O
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CONTRACTOR SMALL FIE 11El ONTRACTOR 1111L P10111
A STD. 5-FT DIAMETER PRECAST r?.n^
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LOCATE MkHHDIE COVER
FLUSH WTH PROPOSED 1
CONCRETE MANHOLE SEE sm. ('t
GROUND SURFACE DETAIL 07000.01 t 1r N
k-
IHE CONIRACTOR SHALL PRONDE THC CON TRACTOR SHALL 11101111 THE CONTRACTOR SHALL PRONDE
MH RING AND C01ER FOR
A STD
A STD. 1-FT DIAMETER PRECAST
CONCRETE MANHOLE SEE SN.
CFTAIL 0100001. A STD /-Fi DIAMETER PRECAST
CONCREff uANHOLE SCE S1D.
DETAIL 07000.01. .
WIFALUS AS SHOMN IN SM,
M-1- 07000.03 SHrEi 1 CI 3.
LOC1(INC COVERS ARE RCOUIRCD.
FROM U-3101, FROPSEO
FROM U-SRAM PROPOSED
ROADWAY CAMP ELFVA71ON Ir
?I ?'-

lea N N
THE CONTRACTOR SHALL PROVIDE THE CONTRACTOR SNAIL PRONDC ROADWAY RAMP ELEVADON
w A SiD. uH RING AND COVER FOR A SAO. MH RING AND COVER FOR
(137.160 M) OUTFALLS AS SHDWN IN STD.
DETAIL 07DOD.03 SHE
T 2 OF 3. O1ITALLS AS SIOAN IN STD.
DETAIL 07000.03 SHEET 2 OF 3. _ (137160 M)
E
LOCKING CONLRS ARE REOUPED. L-11G COVERS ARE REWIRED. M/?
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O TOM OF RIGHT ITCH

.a 5'c,n7(vrA t.srup
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(121 6a u) (12+ 96e u) Relocated manhole
#_9 as requested
by DDT,_ __

_-
12-Jon 2005.
Am
(121,
20 N)
(121
920 M)
'R0,111 1.'^.F
'C9?7! HY:I F(1 \?I
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Im :r.w vrm v.m -0 r»m r» a r«a xs.w ?.AO x.m x.w v.a n.ro ma a.m 9e.a m.a xwro n.a m.m m.w z.m v.m s»w v.m 3»a a. m >»m 3>.ea s« ",hlf ?T 110.
30F5
EA

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-
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THE CONTRACTOR SHALL DEMOLISH AND
COMPLETELY REMO"F THE PUMP
co
O STATION FROM SERIA IN ACCORDANCE /
MTH TOWN OF CARY SPEOFICAPONS ,AS`'
FOR FOR PUMP STATION ABANDONMENT. / Ef
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(STA 10, 1

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.
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50 -L-
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64.71m
G
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Y - 8]7]14
6p,
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THE CONTRACTOR SHALL PROVIDE
5-FT PRECAST CONCRETE
S10 PUNP STATION DEMOl1TI0N AND REMOVAL (-
.
MANHOLE SEE STANDARD DETAIL (6N
01000.01. 1) PRIOR TO BEGINNING REMOVAL ANMOR DEMOLITION OPERATIONS. ALL WASTEWATER MUST BE FLOWING (!I I!,f
?
ASTD. 4-FT PRECAST
A STD. 4-FI DIAMETER PRECAST
THE MANHOLE SH All BE A SEW'ERCON"RUCTION BY GRAVITY AS INDICATED ON THE PLANS. WASTEWATER SHALL NOT BE DIVERTED INTO NEW GRAVITY

I
ES U
TI
CCEPTA
CE OF THE
INES BY THE TOW
F CARY r

l'
Q eS
CONCRETE MANHOLE SEE STD.
DETAIL 0700001. DOGHOUSE MAMHOLETHAT IS FIELD
LOCATED OVER THE EXISTING 1) ALL SEWER LINES SHALL BE CONSTRUCTED AT T HE LINES AND GRADES AS SHOWN ON THE ,
L
N
N
L A
N
L
N O 4
. I°

THE CONTRACTOR SHALL PftOVIOC SEWER UAW AS SHOWN ON THE PLAINS. ANY SEWER CONSTRUCTION NOT INSTALLED AT THE GRADES SPECIFIEDONTHE PLANS 2) PMERDISCONNECTION. THE CONTRACTOR SHALL NOTIFY THE OWNER WHO SHALL IN TURN CONTACT
J

A STD. MH PING AND COVER FOR PLANS
PLUS OR MINUS 003%ALLOWABLE TOLERANCE SHALL BE SUBJECT TO REJECTION BY TIE
PROGRESS ENERGY TO DISCONNECT ELECTRICAL POWER FROM THE PUMPING STATION. THE Q
OUTFALLS AS SHOWN IN STD. THE CON TRACTOR SHALL PROVIDE OWNER. ANY SEWER INSTALLED BELOW 040% GRADE SHALL BE REJECTED WITH NO REGARD TO CONTRACTOR SHALL NOT PROCEED WITH PUMP STATION DEMOLITION ANOgR REMOVAL UNTIL N J
DETAIL 07000.07 SHEET 2 OF 1 uH RIND AND COVER FOR
AS70 TOLERANCE. FOURTEEN (14) DAYS AFTER NOTIFYING THE OWNER THAT WASTEWATER IS FLOWING INTHENEW !(? F` ?•
LOLNING COVERS ARE REWIRED- .
OLITFAILS AS SHOWN IN STD. GRAVITY LINES. T E°y Ln
?
7ETAIL 01000.7 SICET20F ]. 2) DUCTILE IRONPIPE APPROVED BY THE TOWN OF CARYG P.EQUIREDFORTHE CONSTRUCTIONOF -? N
LOCKING, COVERS ARE REWIRED. ALL SEWER MAINS UNDER TH'S PROJECT. 3) SALVAGE'. DURING THE FOURTEEN(14)DAYS, THE OWNER SHALL HAVE ELECTRICAL POWER
vA`I cA N010 Li?OH v) DISCONNECTED AND REMOVE SALVAGEABLE EQUIPMENT FROM THE PUMP STATION. ANY EQUIPMENT
..A?i.w'axurl 3) THE CONTRACTOR SHALL BE REQU: RED TO INS TALL BEDDING FOR ALL SEWER MAINS REMAINING AT THE END OF THAT TOME SHALL BE RE MOVE DAND DISPOSED OF BY THE CONTRACTOR. F.

?3 '
- vox
w Iw Di. se4 v7
.lo
CONSTRUCTED WITH THIS PROJECT. THE BEDDING SHALL BE INSTALLED AT A MNMUM DEPTH OF

k)
(13
7,115 137.160 M)
4-INCHES AS SHOWN IN THE DETAILS.
4)
WATERSERVICES. WATER SERVICE CONNECTIONS AT THE WATER MAIN OF EACH STATION HAVING
!?.
WATER SERVICE SHALL BE DISCONNECTED AT THE MAIN BY THE TOWN OF CRRY, TIE CONTRACTOR
4) ALL SEWER MAIN CONSTRUCTION SHALL BE TESTEDAS SPECIFIED INCLUDING VIDEO SHALL BE RESPONSIBLE FOR NOTIFYING THE TOWN OF CARY PUBLIC WORKS AND UTILITIES
ASSESSMENT AND CLEANING DEPARTMENT WHEN THE DISCONNECTING OF WATER SERVICE IS REQUIRED. A MINIMUM OF 48 HOURS
NOTICE SHALL BE GIVEN THE TOWN BY THE CONTRACTOR.
5) LOW PRESSURE AIR TESTING SHALL BE PERFORMED ON ALL SEWER MAINS AND LATERALS AFTER
(174.112 M) ALL LATERALS OR STUBS HAVE BEEN INSTALLED ON THE LINE AND AFTER THE TRENCH HAS BEEN
BACKFILLED TO FINISHED GRADE. 5) FORCE MAINS: SOLID AND LIQUID CONTENTS OF THE FORCE MAINS SHALL BE COMPLETELY REMOVED
AND O',SPOSED OF PROPERLY IN ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH
ui v mm. o.. eeeA a.tt
+ DEPARTMENT REGULATIONS
A PORTION OF EACH FORCE MAIN SHALL THEN BE REMOVED SUCH THAT IT
MANHOLE CONSTRUCTION .
IS AT LEAST THREE (7) FELT BELOW EXISTING GROUND ELEVATION (PRIOR TO CONSTRUCTION) OR HAS
BEGUN ITS HORIZONTAL RUN. BOTH ENDS OF EACH FORCE MAIN SHALL BE PERMANENTLY SEALED. ALL
(H CAR
'
M 1) ALL MANHOLE EXTERIOR JOINTS SHALT BE WRAPPED WITH AN APPROVED SEALING PRODUCT COSTS ASSOCIATED WITH PUMPING OUT AND SEALING THE FORCE MAIN SHALL BE INCLUDED IN THE

'
r :2?SSCi1st
ty
(131,12 4M) (1]1.64 M) SUCHAS INF/SHIELD SEAL WRAP ORAN APPROVED EQUIVALENT PRODUCT. ITEMIZED PROPOSAL BID ITEM FOR PUMP STATION DEMOLITION AND REMOVAL
. t
i h? ?
1
) SEAL 1
2) ALLMANHOLECONNECTK)NS SHALL BE CORED WITH A CONCRETE CORING MACHINE 6) WET WELL: THE CONTRACTOR SHALL REMOVE ALL SOLID AND LIQUID CONTENTS OF THE W£T WELL IN 4 i 25906 rte;
UNAPPROVED CONNECTIONS SHALL BE REJECTED. ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH DEPARTMENT REGULATIONS. THE

CONTRACTOR SHALL THEN REMOVE ALL PUMPS
BASES
ELECTRICAL CONTROLS
WEATHER
MOTORS
Zy? ??QQ,,•?4r/
i F`GM
1
4
F?`
12- 3) ALL MANHOLES CONSTRUCTED WITH THIS PROJECT SHALL PASS A VACCUUM TEST AS SPECIFIED ,
,
.
,
HOOD, ALL VALVING, FENCING AND ALL PIPING (SUCH THAT IT IS FLUSH WITH THE TOP OF THE WET WELL) ,
.
V
C`FG _
(118. t6 M) (126.016 M) PRIOR TO ACCEPTANCE BY THE OWNER. AND THEN SEAL ALL PIPES OPENINGS.
7) DEMOLITION. FOLLOWING REMOVAL OF ALL SALVAGEABLE ITEMS, THE CONTRACTOR SHALL COMMENCE
DEMOLI TION OPERATIONS ON THE PUMP STATION
TOTAL DEMOLITION OF THE STATION IS NOT ,.(.(.?
.
REQUIRED, BUT IS AT THE CONTRACTORS OPTION. THE CONTRACTOR SHALL DEMOLISH ONLY THAT I"I
414 PORTION OF THE PUMP STATION FROM THE GROUND ELEVATION LEVEL PRIOR TO CONSTRUCTION TO A Garde change
(124. 8M) (114.9684) POINTAT LEAST FIVE (5) FEET BELOW EXISTING GROUND LEVEL PRIOR TO CONSTRUCTION, PROVIDINGA MH #
between
9

SUFFICIENT NUMBCROF WEEP HOLES IN OR NEAR THE FLOOROF THE WET WFIL ANDTHE PUMP _
_
,.
and MH # 10

CHAMBER TO PREVENT FLOATATION OR WATER ENTRAPMENT. EACH WEEP HOLE SHALL HAVE ON BOTH ._

12
J
2005
THE OUTSIDE AND IN SIDE A GRAVEL PACK OF AT LEAST 2 CUBIC YARDS IN VOLUME. PROVIDE FILL .
an-
.-
MATERIAL OF SUFFICIENT QUANTITY TO FILL THE HOLE CREATED BY DEMOLITION.
(121.9
04)
(721.920 N)
81
COMPACMON PLACE FILL MATERIAL IN SI%(6)INCH LOOSE LIFTS, COMPACTED TO NINETY PERCENT
(90%) PERCENT STANDARD PROCTOR DENSITY. GRADE SHALL CONFORM TO SURROUNDING
TOPOGRAPHY, ABSENT OF ANY DEPRESSIONS. PROVIDE SEEDING AND MULCHING AS SPECIFIED
ELSEWHERE IN THE CONTRACT DOCUMENTS.
-HY:,I.RLVLt
9) SLASTING'. ANY BLASTING ASSOCIATED WITH DEMOLITION MUST BE IN FULL ACCORDANCE WITH :1RAY;iJ Hy
II VL;

SPECIFICATIONS OUTLINED ELSEWHERE IN THE CONTRACT DOCUMENTS. NO ADDITIONAL PAYMENTS
WILL BE ISSUED FOR BLASTING OR ROCK EXCAVATION. _
.
JAIL
1101('. 1?-«_
scA(r vre °=in'
WHEN u0.
?° "° 4 OF 5
f®
17:

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(TYPI' I I AVI'.D AVE[ S) 77-, I7P.DDING FOR I LF. .1 -r l SLS!I P.IGID SANITARY ?'.ElY ER PIPE 0 'J?J.1J SANITARY Sf R'fR1pOT1'.CTION D!!RING C DNSTT!DCT70N tl;'U7J.17 STAN,IAP?DTI R'IYIRARY SILT I"I'\'CI: U9LI rt
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GENERALNOTES
Q FSISnNG UTTE IY L OCAliOS SI IOANON FIT PLANS ARE "PROXIMATE. T1F NYIRACFOR SI W L I OUTF M.I. UIII.I'11E5 A`DDF.'IlR 111X.IFmNIICIS
EXISF. 7110 NYIRACIOR51 W 1. RF.PORr ANYODM IICISTO n M ENGIBU:FP.
I1FOIYIRACTORSI FALL BE RESPONSIBI.F FOR COMPLIANCY 41111 At .I. BEGET ATORY,IGRFFMFNIS ANDPFRMI'ISTIIAI IIAVF RFFNACRRRFD AYTIP
00.`T:0. PAT I.IIRF.TO CDMPLYSI W I SENVF A ABASIS'IOISS12F FINES BY'II ¢ O7YIAOLLI`G LEGAL AUII GM'IYPAYh11 NI'Of'Il U51', HNF34111 BE77 M
RESPONSIBILPEYOF TIMCO.YIRACIOR
I) TIFT04N411LPROVIDF.COI'IRLCIIO.,NS'TAKING.IIP.CO.YIRACIORSIWLNO'III'Y71MTOANSUIIV'fYCREA' AfIEASE2%TFR5INADVANCE0P AIPN
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1411 • \ 1
(4.31 M 11 /?/?
, If K E9°5.1
Y = ]090
20 . ?`?
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1 I.ry
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•

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PROPOSED 2s F
?
f
i
1
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SU7

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4

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-
T UTILITY EASE
SIA 12+01
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4
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CONSTRUCTION LIMITS
(STA 3+66.99 u)
• Cf BOF.E PIT ? SY 8 (SiA 1411.53 N)
`ti ,n r
x f9T
Y - 2913.27
C ieftir ?????. A-f
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? n
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?
THE C0N1RAC1- SHALL PROVDE
A STD. 5-FT DIAMETER PRECAST
CONCRETE MANHOE SEE SID. r-)
FAA?XX
0M -+
K-
f*
DETAIL 07000.01. J
1nE CONTRACTOR SHALL PROVIDE
A SID. MIA RING AND COVER FOR
W TFALLS AS SHOWN IN STD "
w ?
f
,
DETAIL 07DO003 SHEET 2 DF J.
LOCKING COVERS ARE REWIRED. (
I'
THE CONTRACTOR SHALL PROVIDE
A STD. 5-fT DIAMETER PRE LAST

(137160 M) CONCRETE MANHOLE SCE SID.
DETAIL 0-1100001, 1w
(137.160 M)
r ry
F
THE CDNIRACIOR SMALL PROMDE
A STD. MH PING AND COVER 10R
THE CONIRACTLN SHALL PRONDC
4 SID
4
FT DIAMETER PRECAST OUTFALLS AS SHOWN IN SID.
DETAIL 0]000.03 SNCEi 1 d S. R
?'1 il.
iil +fi N v
1
iiiw

(131.111 MIME CCN1RACidi SHALL PRONOE
FROM U-3101, PROPOSE?

SHWIDER 111 -
.
CONCRETE MANHOLE SCE SID,
EIA!L 0700001 . LOCK WG COVERS ARE RFOU'RFD. s
[A
Ix (u >v1
+
(1
31.111 M)
'p
AN APPROVED CONNECTI04

'
'
THE CONTRACTOR SHALL PROVIDE FROM U-7101, PROPDSCD
SH
WLDCR ELEVATION

-ME CONTRACTDR SHALL
PRONDE-1 M(f,wu 1
I v
v+Hw
rtxt
eu
i?ve7
'

--
EXIS
IING MN
A
-1 A STD. 5-FT DIAMETER PRECAST
__
A STD. uH RING uJD COVER FOR ,
lx
D
y
ch +
-C EIL MANHOLE SILL SID.
DETAIL 0]0'1001 THE CONTRACTOR SHALL CHOVDE FROM U-3101, PRCWDSED
ROADWAY CLL
VAiIW WDALLS AS SHOWN IN M.

DETAIL O]OOO.OJ BHE(i 2 OF 3.

-

+
.r,..,.
(131.0114
M)
THE LOINFRACTOR SHALL PRDNOC STD. /-FT DIAMETER PRECAST
A
IOCKINC CONFAB ARE REWIRED. \?
F (
RO,
ME COI SHALL PRDYDE
A 517
RING ASH COVER FDR

omFALLS AS SHOWN IN STD
CONCRETE MANHOLE SEE STD.

DETAIL 0700001

131

M ,

U
i t

y
•`
SANITARY SEMR PR DEETAITAILL ] 7 TU00017. RING
CONSTRUCTION, SEE D .

DETAIL 0]000.03 SHEET 2 OF J

LOCK NC COVERS ARE REWIIKO.

THE CONTRACTOR SHALL FR

A SID. MM AND COVEROVDC
ON
--

CA l1 ln7e vl

l
t
25SEAL
908 rj {
j ?,y'Ug {
F
WiFALLS AS S SNDWN M SID. q
t [.: t
ME CONTRACTOR SnI.LL PROU10C

A 6r0. 1-Fi GIAMEIEA PRECAST in

v
v DETAIL 07000.07 SHEET 1 OF
3.

LOCKING COVERS ARE PEO(OF 3*
)INTO

Rw U

3101,

DPOS(

1+1 U
Hd [A
.1 uX
Am
{?
i9?A2N? ? t
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•
128018R
( ,m ) CONCRETE MAANWE YE SID. I
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SNyA a
+ m ' u OTT04 DIi \ .1xf +m .. •
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'IB9J?'I >. ) DETAIL 0700001.
-11 'A I.
)
INAnc
q
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(128
016 M)
"?w (
) ACIa't
SNF1L Pk
OM
THE CONi
ir
D
E T.,
? n7.n w
I
M.ix a13 E ,v
(' 1 MH
AINC
AND COVE
FC
R
R
ASN.
W TFALLS AS SHOWN IN
SID.
3 SHEET 2 OF J
ETAI
07O
0 "wwr cM1
wi?i??1 e>, X

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IOCKMC COKIlS ARE REQUIRE
.
D .

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1 I-\ I'
19 y1
q
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r _. / > uA X
1>-? -_-_ ?
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(111.968 ) AFt

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- .. I l

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T y

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III )
600
.,
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(121.920
)

+?I.A V i xd o .+na
ow .12.a ,,,, . ?

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w[ HA.a oX
a
(121 w9
20 M) _
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lam law low u.zo H.. uw Mw mw M.m 1>,eo 1«m 1«w 1«m wm 1»w u.m mw uw n.m n.m lA.m ww uw wm 1- m.w vaw van n.m n w :;I'; E i !!'1.
20L=5
yygq??'' x.7702.65
Y _ q 60.21
+39.84 -RPB
A 7679
7149 E' ,
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Y 4283,5051 ud ,19 E I - ,
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(S3, 9+ 44E27 M) N N
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Y = 396076 STA 27«04

(STA 8.24 .. A kLb l-.

f' f
MH /
67 1 ,
1 STA 24,
LIl7. EASEMF
(STA 715191 M)
T „Ads j 1 \.. _ \ '

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6
3
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PROP FT ElITY CASEMENT _ ... _
OSED lls-

00
231 - ---
1 24.00 ?
(121-
.- 1 ?

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W SS1YH07'W ms0aw mm
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729.22 (100.35 N)
- -------Lp---- ---
fV ------ l 1
+
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7479 25
-
Y.3166.63 L lel
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O
N SHALL E '
0 C
L
CATE MA
R
LOCATE MANHOLE COVER
RUSH WITH
CPOSEO
I'1 I'

'- Q

C;I

CONTRACTOR SHALL "E
LOCATE MANHOLE COVER
LOCAT FA
GROAN] SURFACE
THE CONTRACTOR SHALL PROVIDE
A STD. 5-FT DIAMETER PRECAST
`A
.).
U
4•"

Cy
MN PROPOSED
FLUSH GROUND SURFACE CONCRETE MANHOLE SEC STD.
DETAR 07000.01. f M N
L1? ?, )
LV
THE CONTRACTDR SHALL PROVIDE THE CONTRACTOR SHALLPROVDE TO

10 . NWACTOR SHALL

FOR
ER FOR
MN
AND COSEA
RJNG
A STD. 4-FT DIAMETER PRECST
CONCETE MANHOLE SEE 510.
DETAIL 0700001. A ST1 4-FT DIAMETER PRECAT
CAVCEIE MANHOLE SCE SPJ,
ETUL 07DOO 01 ]t D1, PROPOSED S
S
FALLS AS MOxN IN STD.
AIL 0700007 SNCET OF 3
COKRS ARE RCO'.IwEp- FROM U-}101, PROPOSED
ROADWAY RAMP ELEVATION Env P cl
INE CONTRACTOR SHALL PROVDE THE CONTRACTOR EHALL PROVIDE ROADWAY RAMP EIEVATDN
m A STD. .H RING AND COVER FOR
OUTFALLS AS SHOWN IN STD A SN. uH RING ANO COVER FOR
IXIIFALLS AS SHONN 17 SR1
- 4sp-

(137.160 N) I
.
DETAIL C700D.03 SHEET 2 OF 3,
ICCI(ING COVERS ARE PEOJ'RED.
.
7E TAIL 0,_D.07 SHEET 2 OF J.
lOptING CO', ARE REW'RID.
(137 160 M)

f)?

o. R'A e. r.n v)
Y
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rv Wi 'st ws? w p 7
FEW, M U-
( ? i?, es v)
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s
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4w p
i
n
roar
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I
mn h FROM U-7101, PROPOSC
d
- _ "e
(174.112 N) .
(
s
p BOTTOM OF
FT DTCH - -
Ft CVATDN -

(171. 4 M) (131 D64 u) {
QY\9 l
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nn w .0 w oA
r r
}}
t :h SEAL T 1
1 u M woo nwA^. ?
) 25978 ? h?
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,-
128
( 16 M)
) (128 016 N
) s
/f. Irv
•
?UGENE-
G;
ac
(124.
68 N)
(124 4,e
968 M)
Relocated monhDle
#-9-os requested
by-DOT.-.___._.- .
12-Jon-2005.
_

(121.

20 N)

(121 4m

920 M)
-- ----

- - - - - - - - - - - - - - - - - - -
A 2 S : 2 : Y A o 3 R 9 2? 3 x 2 . % •. x
g A
g r 8 • S
1 f - 2
= _ ' i< 2
I ^ g ^
3 ? 3 R
. . g ° , ?f'.
'f Lf I '
? x ' ? ? ' 2 ? ' ; A. ? . A A . A x . R . A A . _tt
_
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3 0r5
I?
I!1

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M
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THE CONTRACTOR SHALL DEMOLISH AND /A ?' Its-c. U
COMPLETELY REMOVE TIIE PUMP
/
,
?g I,I p
O
^I STATION FROM SERVICE IN ACCORDANCE
WTH TO- OF CARY SPEGFICATIONS
FOR PUMP STATION ABANDONMENT. 1
AF /
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PIN L?
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P(t
j j,
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v-6 10:41
W
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1i ?
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W1 Ay Y
STA 34,99 ...1
Vj
\ (STA 10166,49 M)
X H #10
/ STA 3410 0
(STA 10,61.

23941
11- X - 8 0
+95.50 -L-
2
Y = ,2D6?
64.)1m

US 1
& 64 V
X - 833514
Y - 4251.2$

ct CJ
I'
THE CONTRACTOR SHALL PROVIDE
SID
PRECAST CONCRETE
S
PUMP STATION DEMO1I AHD REMOVAL
r'- ?-• ?i
.
MANHOLE SEE STANDARD DETAIL
07000.01. 1) PRIORTOBEGINNING REMOVAL ANDIOR DEMOLITION OPERATIONS, ALL WASTEWATER MUST BE FLOWING
A STD IIAACIOR SHAU PROVIDE
A SID
-IT DIAMETER PRELASI
THE MANHOLE SHALL BE A FEWER CONSTRUCTION BY GRAVITY AS INDICATED ON THE PLANS. WASTEWATER SHALL NOT BE DIVERTED INTO NEW GRAVITY -
7
y It
.
r-CRFIF UANHNF STE STD.
DOGHOUSE UA.HHDIE THAI IS DFID
LINES UNTIL ACCEPTANCE OF THE LINES BY THE TOWN OF CARY. P
. -
n 0
-
EETAIL070:, 01. LOCATED OVER MEE XISTING II ALL SEWER LINES SHALL BE CONSTRUCTEDAT THE LINES AND GRADESAS SHOWNON THE
THE [ONTRACtOR 91AlL PRO DE SEIVER MAIN A5I"0-DN ME PLANS. ANY SEWER CONSTRUCTION NOT INSTALLED AT THE GRADES 6PECIFIEDON THE PLANS 2) POW'ERDISCONNECTTON. THE CONTRACTOR SHALL NOTIFY THE OWNER WHO SHALL IN TURN CONTACT a f'
A STD. MH RMG AND COVER FOP PLANS' PLUS OR MINUS 003% ALLOWABLE TOLERANCE SHALL BE SUBJECT TO REJECTION BYTHE PROGRESS ENERGY TO DISCONNECT ELECTRICAL POWER FROM THE PUMPING STATION THE
Q
?
F
OUIFALLS AS SHOVE IN SID.
THE CONTRACTOR SHALL PROVIDE OWNER. ANYSEIM1TR INSTALLED BELOW 0,40% GRADE SHAH BE REJECTED WITH NO REGARD TO CONTRACTOR SHALL NOT PROCEED WITH PUMP STATION DEMOLITION ANDIOR REMOVAL UNTIL
' N
'
y
n
DETAIL 0700003 SHFEI 2 OF 3. AS TO
MH RING AND COAR FOR TOLERANCE FOURTEEN (1/)DAYS AFTER NOTIFYING THE OWNER THAT WASTEWATER IS FLOWING INTHENEW f(( 'L^
ICCKING COVERS ARE REWIRE O.
-- .
OIITFALLS AS SHOWN IN STD. GRAVITY LINES. IP L' L•!
fo?
Sw ew
b l? DETAIL 01000.35HFET 2013.
LOCKING COVERS ARE REWIRED 2) DUCTILE IRON PIPE APPROVED BYTHE TOWN OF CARY IS REQUIRED FOR THE CONSTRUCTION OF N
:
er lln
w"x14A .w •o (I*TH
"I . ALL SEWER MAINS UNDIRiHIS PROJECT. 3) SALVAGE. DURING THE FOURTEEN(14)DAYS, THE OWNER SHALL HAVE ELECTRICAL POWER
DISCONNECTED AND REMOVE SALVAGEABLE EQUIPMENT FROM THE PUMP STATION ANYL0UIPfILNT r1
r
)xul
xi«I 3) THE CONTRACTOR SIHAI L BE REQUIRED TO INSTALL BEDDING FOR ALL SEWER MAINS REMAIN'.NG AT THE END OF THAT TIME SHALL BE REMOVED AND DISPOSED OF BY THE CONTRACTOR. C: I'-
N
.Kn aT( Iw j?MiAl x,p CONSTRUCTED WITH THIS PROJECT. THE BEDDING SHALL FIE INSTALLED AT A MN'MUM DE PTH OF CI)
(137.16 M) 7.160 u) 4- INCHES AS SHOWN IN THE DETAILS. 4) WATERSERVICES WATER SERVICE CONNECTIONS AT THE WATER MAIN OF EACH STATION HAVING
I?.
WAI E R SL RVICF SHALL BE DISCONNECI E D AT THE MAIN BY THE TOWN OF CARY. THE CONTRACTOR
r 4) ALL SEWER MAIN CONSTRUCTION SHALL BE TESTED AS SPE CIFIED INCLUDING VIDEO SHALL BE RESPONSIBLE FOR NOTIFYING THE TOWN OF CARY PUBLIC WORKS AND UTILITIES
ASSESSMENT AND CL EAN'NG DEPARTMENT WHEN THE DISCONNECTING OF WATER SERVICE IS REQUIRED. A MIN'. MUM OF 48 HOURS
NOTICE SHALL BE GIVEN THE TOWN BY THE CONTRACTOR.
5) LOW PRESSURE AIR TESTING SHALL BE PERFORMED ON ALL SEWER MAINS AND LATERALS AFTER
i (134112 M) ALL LATERALS OR STUBS HAVE BEEN INSTALLED ON THE LINE ANDAFTER THE TRENCH HAS BEEN
BACKEILLED TO FINISHED GRADE. 5) FORCE MAINS. SOLID AND LIQUID CONTENTS OF THE FORCE MAINS SHALL BE COMPLETELY REMOVED
AND DISPOSED OF PROPERLY IN ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH
ev , ma.- a , ew au[ DEPARTMENT REGULATIONS. A PORTION OF EACH FORCE MAIN SHALL THEN BE REMOVED SUCH THAT IT
MANHOLE CONSTRUCTION IS AT LEAST THREE (3) FEET BELOW EXISTING GROUND ELEVATION (PRIOR TO CONSTRUCTION) OR HAS /
BEGUN ITS HORIZONTAL RUN. BOTH ENDS OF EACH FORCE MAIN SHALL BE PERMANENTLY SEALED. ALL F 1H CA%
t I( ALL MANHOLE EXTERIOR JOINTS SHALL BE WRAPPED WITH AN APPROVED SEALING PRODUCT COSTS ASSOCIATED WITH PUMPING OUT AND SEALING THE FORCE MAIN SHALL BE INCLUDED IN THE i21lT\29
t
(171. 4M) (13I.064u SUCHAS INFISH'.ELD SEALWRAP ORAN APPROVED EQUIVALENT PRODUCT. ITIVEZED PROPOSAL BID ITEM FOR RUMP STATION DEMOLITION AND REMOVAL'. Q
?
+ {
S SEAL
2) ALL MANHOLE CONNECTIONS SHALL BE CORED WITH A CONCRETE CORING MACHINE. 6) WET WELL . THE CONTRACTOR SHALL REMOVE ALL SOLID AND LIQUID CONTENTS OF THE WET WELL IN 25908 INf
UNAPPROVED CONNECTIONS SHALL BE REJECTED. ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH DEPARTMENT REGULATIONS. THE
CONTRACTOR SHALL THEN REMOVE ALL PUMPS
MOTORS
BASES
ELECTRICAL CONTROLS WEATHER \
,hl{
t?
•''
4
J
tf
3) ALL MANHOLES CONSTRUCTED WITH THIS PROJECT SIHAL L PASS A VACCUUM TEST ASSPECIFIT O ,
,
,
ALL VALVING
HOOD
FENCING AND ALL PIPING (SUCH THAT IT IS FLUSH WITH THE TOP OF THE WET WE LL) t
•
?
A
p
l ?
E
`
PRIOR TO ACCEPTANCE BY THE OWNER ,
,
AND THEN SEAL ALL PIPES OPEN'
NGS U N
+
•w
(125. 15 u) (128.016 u) . .
.
7) DEMOLITION. FOLLOWING REMOVAL OF ALL SALVAGEABLE ITEMS, THE CONTRACTOR SHALL COmmENCE
DEMOLITION OPERATIONS ON THE PUMP STATION
TOTAL DEMOLITION OF THE STATION IS NOT
.
REOU'.RED, BUT IS AT THE CONTRACTORS OPTION. THE CONTRACTOR SHALL DEMOLISH ONLY THAT
41A PORTION OF THE PUMP STATION FROM THE GROUND ELEVATION LEVEL PRIOR TO CONSTRUCTION TOA Garde Change

(124.
BM)
(124.968 M)
POINT AT LEAST FIVE (5) FEET BELOW EXISTING GROUND LEVEL PRIOR TO CONSTRUCTION PROVIDING A _
between MH #
9
SUFFICIENT NUMBER OF WEEP HOLES IN OR NEAR THE FLOOR OF THE WET WELLAND THE PUMP .
and
M RAH P # 1D 0

CHAMBER TO PREVENT FLOATATION OR WATER ENTRAPMENT, EACH WEEP HOLE SHALL HAVE ON BOTH _
J
THE OUTSIDE AND INSIDE A GRAVEL PACK OF AT LEAST 2 CUBIC YARDS IN VOLUME. PROVIDE FILL
MATERIAL OF SUFFICIENT QUANTITY TO FILL THE HOLE CREATED BY DEMOLITION.
(121. 0M) (121.920 M) 8) COMPACTION. PLACE FILL MATERIAL INSX(6) INCHLOOSE LIFTS, COMPACTED TO N'NETY PERCENT
(90%) PERCENT STANDARD PROCTOR DENSITY. GRADE SHALL CONFORM TO SURROUNDING
TOPOGRAPHY, ABSENT OF ANY DEPRESSIONS. PROVIDE SEEDING AND MULCH'NG AS SPECIFIED
ELSEWHERE IN THE CONTRACT DOCUMENTS- T';f,
9) BLASTING. ANY LASTING ASSOCIATED WITH DEMOLITION MUST BE IN FULL ACCORDANCE WITH ,,,?IIS!?
SPECIFICATIONS OUTLINED ELSEWHERE IN THE CONTRACT DOCUMENTS. NO ADDITIONAL PAYMENTS NCI ;?i.
- - WILL BE ISSUED FOR BLASTING OR ROCK FXCAVAPON.
R
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S I: I ,I I' 1 I'1

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ILI

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STANDARD PRECAST CONCRETE MANI IOLE
8 09')-Q7 STANDA
(Il'PE210 RD M.Ah]IOLIl RING AND ('OVER
AOUTEALLSO;t UNPAVEDAI11:A5)
o1J07.07 \L%
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STANDARDCOACRE7E LNCASP,SIE7JTTOR STRCAM CROSSING
1,C 14 STANDAM) T'RTNCII A.ND PAVI.1fENT REPAIR SLCTIOSS
c:S6JD1 /
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, V.
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(TYPf IPAVED ARCAS) d7JU7.0J GEUD,`,GfURFLFS L:LE&SFi(4RhilDS'%NICARYsFWRHL 'JRJJ.i] - SANTARYS..RLLL.(q E.CTION DURING CO.?SIRUCIION Olo1 STANUARDTFML'URARYSILT E'CN'CI. O.Y».01 F2q? l •
qt
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25908 h

fUGENE',,.f
Ji.l

n6J.IO.tr, _
SG; I''Y:dl L,'LL`
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SCALE HOR..
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CENERALNOIE+S
1) FXIS'DNGURIIIY'IOCAT10N651IOVNON'ITEPI A'S ARRAPPROXIMATE. T IF DOVIRACI OR SIWI. I DGiTAILUI111TIF5ANEDFIF MAINE IF CON1l CIS
EXIST IT IF CONTRACTOR 51 W L REPORT ANY OONRI ICISIO'D IF FNGINEI'I,
2) -111F CONTRACTOR SI IAI. BF RLSPO`SIBI E I OR CONTII ANa_ NIT IT I All RFGUI AIORY AGRFFMFNIS AND ITRAATS TI MT ITANK BFFN ACQUIT ITT I) BY 11 TE
OWNTR. FMI URE TO COMPLY SI W.L SFRN, F AS A IT ASIS TO ISSUE. FINES BY TI IF CONTROI.I ING I FGAI. AUII IORITY PAYMENT OF n MSF IINS 1x111. BETIIF
RFSPONSIBILFIY OF TIECONIRACITIR
1) TI E TOUN VI IL PRO%iDE CONS iRLCDON S'TAAING. TIE OJVTRACRM SI W I.,NOD FY TI E TOUN SURNTY CREW ATLEAST 2 VT I:KS IN ADN'ANE OF III EN
5'I AK ING IS RFQUi RFD. TI IT SLATE Y CfYWG.N RF RFACT ITD AT 469 4017, CONS 'IRLCDON UDRK SI W L NOT OOIA VDI WI ADrQUATF. STAKING.
4) AI I. CONSTRUCT] ON SI FALL AE IN ACORDANCF VIII I TI E I ATEST REVISION OF TIE. TOUN OF CAR n -STANDARD SPEC! F1 CATIONS AND OFF AT I S' ANT) TI IF
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HE CCNTRACIpI SHALL PRONOE f•Nm q
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- -"
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EXISTING MH
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CUNCNLI[ VANHOLE SILL SID.
DETAIL o1000.01. THE CONTRACTOR SHALL PROVDE FROM V-]101, PAOPOS[D
ROADWAY ELEVATION CUTTAILS AS SFOMN IN STD.
DETAIL 07000.03 SHEET I OF 7. _
(131.064 M) THE CONTRACTOR SHALL PRONOE A 570. 4-f7 DIAMETER PRECAST IXING COVERS ARE REWIAEO_
4m
THE
CONTRACTDR SHALL PROVIDE STD. MH RANAND COVER FOR
TFALLS AS OWN IN STD CONCRETE MANHOLE SEE STD.
D
ETAIL 07000 D1
( ill 64-M)
SAITARY SEWER PROTECTION ETAIL DIOCD 3 SHELL 2 6 3 THE CONTRACTOR SHALL PRDYDE EAL
CONSTRUCTION, SEE DETAIL 7 LCCN'.NG COVES ATE RECAI'RED A STD. MM Ra1C AND COVER FOR 259
CV IfAi15 $OAN IN S10.
AS H
THE CONTRACTOR SHAH PRONOE
A sID4-FT DIAMETER PRECST DETAIL 0]00007 SHEET 1 OF 7.
LOCKING COVERS ARE REWIRED GIA U 3101 OPOSE Pr (N

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CONCRETE MAAHOLE SEE 570.
DETAIL 0700001. chIll- O1TOM
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CONTRACTOR SHALL FIEL
LOCATE MANHOLE COVER .
FLUSH 111TH PROPOSED
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GROUND SURFACE OEU'L 07000,01. v-, ? N
THE CONTRACTOR SHALL PRONDE
A SRI. 4-Fi DIAMETER PRECAST THE CON TRACTOR SHALL PRONOE
A SM, 4-FT DIAMETER PRECAST THE CONTRACTOR SHALL PROVIDE
A 510. S RING AND N SM FOR MH COVER
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THE CONTRACTOR SHALL DEMOLISH AND
COMPLETELY REMOVE THE PUMP
6y"
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/fit STATION FROM SERVICE IN ACCORDANCE
WN TOM OF CARY SPECIFICATIONS
FOR PUMP STATION ABANDONMENT. (J'

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THE CONTRACTOR SHALL PROVIDE PUMP STATIONDEMOUTIONAND REMOVAL L? ?'^
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ST) 5-FT PRECAST CONCRETE
A
AR
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5 ?? C
MANNaE Ste ST
ND
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07000.01. 1) PRIOR TO BEGINNING REMOVAL ANUIOR DEMOLITION OPERATIONS, ALL WASTEWATER MUST BE FLOWING
THI CICNTRACTDR SHALT PROVIDE
A S 4
-FT DIAMETER
A 510
1-FT OuME1ER PROUST

THE uA
NHWE SHAH BE A

SEWER COHSTRUCIION

BY GRAVITY AS INDICATED ON THE PLANS. WASTEWATER SHALL NOT BE DIVERTED INTO NEW GRAVITY

Ary
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CON CRETE MANHOLE SEE SID. .
DOGHOUSE MANHOLE NAT IS FIELD LINES UNTIL ACCEPTANCE OF THE LINES BY THE TOWN OF CARY. =a
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DETAL 07000.01. LOCATED OAR TINE EXISTING
O
T 1) ALLSEWER LINES SHALLBE CONSTRUCTED AT THE LINES AND GRADES AS SHOWNQNTHE
CTION THE CONTRACTOR SHALL NOTIFY THE OWNER WHO SHALL IN TURN CONTACT
POWERDISCONN I
!
' W"
TOE taNnucioR SHALL PROVIDE SEWER MAIN AS SH
WN ON
HE
P
s PLANS. ANY SEWER CONSTRUCTION NOT INSTALLED AT THE GRADES SPECIF IED ON THE PLANS 2) E O
A S70. uH RIND AND COVER FDR un PLUS OR MNUS 0.07%,ALLOWA6LE TOLERANCE SHALL BE SUBJECT TO REJECTIO14BY THE PROGRESS ENERGY TO DISCONNECT ELECTRICAL POWER FROM THE PUMPING STATION. THE
OUTFALE$ AS SHOWN IN SN-
T
T E CONTRACTOR SHALL PROVIDE OWNER. ANY SEWER INSTALLED BELOW 040% GRADE SHALL BE REJECTED WITH NO REGARD TO CONTRACTOR SHALL NOT PROCEED WITH PUMP STATION DEMOLITION AND/OR REMOVAL UNTIL
Lei
{
AIL 0700003 SHEE
2 OF 7.
DE
IOCaNC COVERS ARE RFOVIRFD SN. uH RInO AND GOAA FOR TOLERANCE. FOURTEEN (14) DAYS AFTER NOTIFYING THE OWNER THAT WASTEWATER IS FLOWING INTHE NEW <
0"
. TFALLS AS SHOWN IN STO.
T
1
0
3
EET 2 OF 3
t GRAVITY LINES. L!n
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AIL 0
00
.
SH
.
COVERS ARE REWIRED
CKING 2) DUCTILE IRON PIPE APPROVED BY THE TOWN OF CARY IS REQUIRED FOR THE CONSTRUCTION OF THE OWNER SHALL HAVE ELECTRICAL POWER
SALVAGE
F
U
TEE
14
DAYS Pf
lw
.WA1 eh .w.w .2. .) . ALL SEWER MAINS UNDER THIS PROJECT. 7) . DURING THE
)
,
O
R
N(
DISCONNECTED AND REMOVE SALVAGEABLE EQUIPMENT FROM THE PUMP STATION. ANY EQUIPMENT W
C.
.S:.aS f
Ox 10 rv1 3) THE CONTRACTOR SHALL BE REQUIRED TO INSTALL BEDDING FOR ALL SEWER MAINS REMAINING AT THE END OF THAT TIME SHALL BE REMOVED AND DISPOSED OF BY THE CONTRACTOR. `??'•
N
H>iial( I.w (IT1xc u7
• CONSTRUCTED WITH THIS PROJECT. THE BEDDING SHALL BE INSTALLED AT A ALNIMUM DEPTH OF
?
(177
16 u) 177
160 M) 4-INCHES AS SHOWN IN THE DETAILS. 4) WATERSERVCES. WATER SERVICE CONNECTIONS AT THE WATER MAIN OF EACH STATION HAVING -A
. . WATER SERVICE SHALL BE DISCONNECTED AT THE MAIN BY THE TOWN OF CARY. THE CONTRACTOR
4) ALL SEWER MAIN CONSTRUCTION SHALL BE TESTED AS SPECIFIED INCLUDINGVDEO SHALL BE RESPONSIBLE FOR NOTIFYING THE TOWN OF CARY PUBLIC WORKS AND UTILITIES
ASSESSMENT AND CLEANING DEPARTMENT WHEN THE DISCONNECTING OF WATER SERVICE IS REQUIRED. A MINIMUM OF 48 HOURS
NOTICE SHALL BE GIVEN THE TOWN BY THE CONTRACTOR.
5) LOWPRESSURE AIR TESTING SHALL BF PERFORMED ON At I SEWER MAINS ANDLATFRALSAFTER
(131112 M) ALLLATERALSORSTUBS HAVE BEEN INSTALLED ON THE LINE AND AFTER THE TRENCH HAS BEEN 5) FORCEMAINS. SOLID AND LIQUID CONTENTS OF THE FORCE MAINS SHALL BE COMPLETELY REMOVED
_ BACKFILLED TO FIN;SHED GRADE. AND DISPOSED OF PROPERLY IN ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH
FORCE MAIN SHALL THEN BE REMOVED SUCH THAT IT
F
AC
ea rX m.M.,, nr • e mA wa MANHOLE CONSTRUCTION DEPARTMENT REGULATIONS. A PORTION O
E
H
IS AT LEAST THREE (3) FEET BELOW EXISTING GROUND ELEVATION (PRIOR TO CONSTRUCTION)OR HAS •?
BEGUN ITS HORIZONTAL RUN. BOTH ENDS OF EACH FORCE MAIN SHALL BE PERMANENTLY SEALED. ALL ?(N CARCU-,
1) ALL MANHOLE EXTER..OR JOINTS SHALL BE WRAPPED WITH AN APPROVED SEALING PRODUCT COSTS ASSOCIATED WITH PUMPING OUT AND SEALING THE FORCE MAIN SHALL BE INCLUDED IN THE 'Qy -Y i
(171 4M) 061 M)
(171 SUCHAS INFFSHIELDSEAL WRAP ORAN APPROVED EQUIVALENT PRODUCT. ITEMIZED PROPOSAL BAD ITEM FOR PUMP STATION DEMOLITION AND REMOVAL'. }
. . SEAL 4 !
2) ALL MANHOLE CONNECTIONS SHALL BE CORED WITH ACONCRETE CORING MACHNE. 6) WET WELL. THE CONTRACTOR SHALL REMOVE ALL SOLID AND LIQUID CONTENTS OF THE WET WELL IN 25908
UNAPPROVED CONNECTIONS SHALL BE REJECTED. ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH DEPARTMENT REGULATIONS THE
CONTRACTOR SHALL THEN REMOVE ALL PUMPS, MOTORS, BASES, ELECTRICAL CONTROLS. WEATHER tti 7
;i
71 ALL MANHOLES CONSTRUCTED WITH THIS PROJECT SHALL PASS AVACCWMTEST AS SPECIFIED HOOD, ALL VALVING. FENCING AND ALL PIPING (SUCH THAT IT IS FLUSH WITH THE TOP OF THE WET WELL) +.,*fAa
(178. t6 u) (128.016 M) PRIOR TO ACCEPTANCE BY THE OWNER. AND THEN SEAL ALL PIPES OPENINGS -
7) DEMOLmON. FOLLOWING REMOVAL OF ALL SALVAGEABLE ITEMS, THE CONTRACTOR SHALL COMMENCE
TI
IS N
T
DEMOLITION OPERATIONS ON THE PUMP STATION. TOTAL DEMOLITION OF THE STA
ON
O
REQUIRED, BUT IS AT THE CONTRACTOR'S OPTION. THE CONTRACTOR SHALL DEMOLISH ONLY THAT IcI J .i,.
PORTION OF THE PUMP STATION FROM THE GROUND ELEVATION LEVEL PRIOR TO CONSTRUCTION TO A Garde Change
410
(124.9 58 M) (124.96B M) POINT AT LEAST FIVE (5) FEET BELOW EXISTING GROUND LEVEL PRIOR TO CONSTRUCTION, PROVIDINGA between MH # 9
SUFFICIENT NUMBER OF WEEP HOLES IN OR NEAR THE FLOOR OF THE WET WELL AND THE PUMP ?
and
MH If 10
1
CHAMBER TO PREVENT FLOATATION OR WATER ENTRAPMENT. EACH WEEP HOLE SHALL HAVE ON BOTH J
THE OUTSIDE AND INSIDE A GRAVEL PACK OF AT LEAST 2 CUBIC YARDS IN VOLUME. PROVIDE FILL
MATERIAL OF SUFFICIENT QUANTITY TO FILL THE HOLE CREATED BY DEMOLITION. _
(121. OM) (121.920 M) B) COMPACTION. PLACE FILL MATERIAL IN SIX(6)INCH LOOSE LIFTS, COMPACTED TO NINETY PERCENT
(90%) PERCENT STANDARD PROCTOR DENSITY. GRADE SHALL CONFORM TO SURROUNDING
TOPOGRAPHY, ABSENT OF ANY DEPRESSIONS. PROVIDE SEEDING AND MULCHING AS SPECIFIED
ELSEWHERE IN THE CONTRACT DOCUMENTS.
L?'
9) BLASTING. ANY BLASTING ASSOCIATED WITH DEMOLITION MUST BE IN FULL ACCORDANCE WITH ,?{'• )I'. _':
SPECIFICATIONS OUTLINED ELSEWHERE IN THE CONTRACT DOCUMENTS. NO ADDITIONAL PAYMENTS
.. WILL BE ISSUED FOR BLASTING OR ROCK EXCAVATION.
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n. ITYL FIW1 NnU PIANS ARE "PROXIMATE. FIR VIRA1'ORIWI.I. ITMIflLFn ANDDFITRNgVFIF VlJ
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FMS I. 71 ff.OJNfRACI0RSI 51VI W.L UPORTAVY COVIICIS ID II IL FNGI\TFR
A D IF CONTRACTORS] NIT. AF RESPONSIBLE FORCOMPHANGE I I I IMI. RFGUI.A'FORYAGREEMEVIS AND PFRN1r1$n Mri RIVE BFF.N ACQUMD BYn 5
OWUf R. FMLVRF TO COMPLY SI W L SERVE AS A BASIS TO ISSUE FINES BYI1 U. COVIROLI ING I EGA. AUII DRI IN PAYMENTOF I1 nF..IINSS WII.I. BE n R
RESPONSIBI I IIY OI 11111 COVIRACI'OR
1) TILT' O.N%11.1. PROVIDF COl?;'IRL)CIION S'IAKI.NG.111F CUVIRACIOR SI W 1. NJnFYTIUIO`LN 51RRVFYCREW KrI EASr3 YFERS INADVAVS OF W76N
SIAAINGIS REQUIRED. 'I7 U. SURVEY CxEWC.N BF RFAU U:D A I4-11, CrJIZ IRUCIION WOKS SI W.1. NDI oa )K UI II IOUFADFQUAIE5fARIN1G.
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F.OAn I CMR01I W Df PARD,tj Nl of 1RAN6POAfA IIOVS'SEA`NARDSPFOI 1GnONS IDRROAIS AM SIRIICILRFS',UN0 FSS Oil 0:KaISF SIAITD BYTI B:
PI AK
5)71 P CC) IRACIOR 51111 CONEINF AI.ICONS 'IRUCIION OPERA 1I0NSWl'11 IN IT R RGI IF 01:WAY,FASI.MINI5. ORCONSTALMDON I IND'I5 AS SI 1J0.1ON IT P.
PLANS. TI IF aOVIRACIOR 51 LM 1. BE COMTE FITI Y AND 501 FLY RESPONSIBLE FOR ANY FNCROACI WINE ON'10 PRIVATE PROPERTY. FILE TO-OF GAY
SIW.I. NOT BE RFSPO.Will I. FOR AGRFFMEVIS BE MEFN 111E CDNIRACFOR AND PRIti AIE PROPERIN OWN M:
6) M.I. X10\UNIFYIA'I10N OS'IUIRAf D AY77 U CONIRACIORSI MI I. BF R-PI ACT D BY IT IF CONIRACIOR IN ACmRI)ANFa:Wrn 11 19: CONIRACF DOCLIAIFNES.
ANY PR0PFRIY IRO`S'111Af ANY.DI.SIROYED OR DIS IDRBI D DUPING II U' PKOPOSFD WoKK sl MI.1. BF sFri oiioulVGmNE1xLCnaNBY A PROTSIaN:A.
LAND SURVEYOR NU D[RECr PAYMENl'WILL. BE MADE IORSLU IRfLDGnO.NS
7I D
DIIKINGOOAN61xLGDON MEBUCI N. All TITPSIFORRFPlACFAa:DDlN II IIROROMEGlNAI IOCCANNDO .I 111 . GDIESANDOII URDrI1:MS IORSLE ITMS MSSILU W.I Bf0.f IV'IlIFII WI.'nODOV& AM COII1QVVDDIRfCIPAYAIFYISI$1WI.BFMMFFORSLOI
Ml OA WnoNE
q 111F CONIRACIOR SI IAI I. BE RFSPONSI BIT FOR ASSLW NG'11 A r NMI I SFMICE IS NOFDISRU'I1D Il lEOLGI IDUI*11 T. DIIYAZION OF CO.NSIRLCIION
OPT RAED`& 11 B CONTRACTOR SI LAI L TAKE AI NFCFSSARY ACTIONS 10 PRESERVE mml DIE ]VERY ACCESS
9) FXGVAIED ORODVSIRLCIIONRTAI}RIA.SIW.I.NGIBFSIOKIDONPAVFDARFA5'n LAf AM,OPEN'IOlilUCLIARIRVTIC FXGIAIFDMAFFMMSSIWI.
BE 5'IDCRPII FO AWAY IROM1111. ROADWAY ai UN POSSIBI F. IN CASES WI DRF FXGIA'IED OR CONS, 1RUCEION NIATFMMS NILSI BE SIOCRPII ED INSIDE 11 IF
SlRffl MGI ICE
WAY,'IICIY 51 WLBF.AF:LOGRD0.11100.5CONRf a1RVE GI.f NDARDAYS 01 PI.AOAIi:Vf.AT"TIP FNDq FAOIWONKDAY, 11 U.
CC) I] ACIORSIW.1.RLNIOVESIOaLPI1.FDNLAIEMM.FKDNIIIU: ROADWAYANDaFANIIEROADWAY
10I'II IE CO.YIRACIOR 51 W.I. BF R-SPON6IBIE FOR MPMM.NG AND) RFPIAa NG PAVENIL.Yf DAMAGED RY CONEIRUCIIONFQLAPNR:N21 Ar`U MIDI IIOWLOJSr
1 0 11IF 0.11 R.
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12) SI IOLiL D 111F CONIRACIOR DAM AGE ANY FX1511 NG IOWY01 CARY U1111 nES. INa.UDING WAITR 5F%I R AND SIORNI DRAINAGE IV RNSIRLCNRE, II P.
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NO ADDI DONAI. PAYMI'. YIS IOR EQUIPMENT OR RE-NI M. EQUIPMENT 11 ME 11 6. CONIRACIOR DOES NOTI LAVE, SU01 AS'IRENa 151 DEEDS, BYPASS
PUMPS, BAa, 1101 S. DUMP TRUCES, FIC
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OF 111157111NIS NIISf BF CONIPI.F'ITO BY NIAR0121, 2WS I OR PILASE 170 BI'.00.YSIDI. RI: D SUBS'IAYIIA I.YCOMPI.FIT. AS Sa 11 DU FD. MS05FF SECTON
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WATER MAIN CONSTRUCTION
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5) M.I. GAIT VMV'I:f AND IIRE IYDRAYISSI W I BE INS'rM.LFD BY LSE OF CDNFa.YIMCMNG R1:5'IRMNID
VAL %F AND I INDRANE ASSFMBI IFS SUl I AS'II R)SI. MkNUTACIUMD 0Y NIUI:I.I FR AQUA GM P OK AN
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0 WATER METER (o.iAbN)
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TELE PEDESTAL (ex.hN)
a POWER POLE(e.mbrg)
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OFA TREE (CONIFEROUS)
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0 GAS VALVE (,.-N)
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FIRE HYDRANT (e.iMing)
Y FIRE HYDRANT(pmp-I)
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CONTRACTOR
SH`LL FICL 0
•
L1 r_
CATE WAN
L R
LOCALE ANHa.C COVE +
1 FLUSH WTH PROPOSED
GROUND SURFACE l e
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R F 7N
CO
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NTRACTOfl SHALL PROVIDE
CONIRAL
O
ALL
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I A
TD. 5-FT DIAMETER PRECAST
'6' 0
£
EA
LOCATE
MANHOLE
FLUSH MTH PRWCSED CONCRE TE MANHOLE SCE SN. ? Ci ..t
CROUND SURFACE DETAIL 07000 01.
111 .a R1
1
THE CONTRACTOR SHALL PRONOC THE CONTRACTOR SHALL PHI DL IHI CONIHAC IUP SHALL PRONUL
A SN. MH RING ANO COt4R FOR °a E!
A SiD. 4-FT DIAMETER PRECAST
CONCRETE MANHOLE SEE STO.
DETAIL 0700001. A S1D. /-Fi DIAMERA PRECAST
CONCRETE MANHOLE SEE STD.
DETAIL 07MD01. ?
OJTFALLS AS SHON IN STD.
DETAIL 07000.03 SHEET 2 W 1
FR PRWOS(p LOCKING COl4RS ARE RFOIIIRED.
U-1101,
FROM U-5101, PROPOSED
ROADWAY RAMP ELEVATION
I'a
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(137.160 N) 1HE CONTRACTOR SHALL PAOVIDC

A 510. MH RING ANO COA FOR
OU7FALL5 AS SHOWN IN 2 STD OF
DEIAR 07000.0] SHCEi 4 OF ME CONTRACTOR SHALL PROVIDE

A STD. NH RIND AND COVER FOR
G WTFAllS AS C IN SRO.
RAIL D700D.D 3 SHEET 2 Of J, AD
RDADWAY RAMP ELEVATION

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(1!7160 N)

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114
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LOC1fINC COMERS ARC REOIIRC. LOXINC COVERS AIL
REWIRED.
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PROPOSE _ .
CL ATOM!

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t
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BOLTON OF LEFT DITCH - ?
(134.112 M) ELEVATION
. - - Ma ?eaa
Me

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hy. DOT. ..---- - -
12 Jan 2005-
41
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20 N)
(121
20 M)
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3 OF 5
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THE CONTRACTOR SHALL DEMOLISH AND
COMPLETELY REMOVE THE PUMP
t
`.? IL
STATION FROM SERVICE IN ACCORDANCE ? A
O
A? MM TOWN OF CARY SPECIFlCATIONS
FOR PUMP STATION ABANDONMENT.
(.)

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(STA 10.66.49 M)
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ME CONTRACTOR SHALL PROVIDE
STD. S-fi PRECAST CONCRETE
PUMP STATION DEMOLRpN AND REMOVAL
P•, 1? n
(`?
uAN.DLE SEE STANDARD DETAIL E-+ ?1
01000.01. 1) PRIOR TO BEGINNING REMOVAL AND!OR DEMOLITION OPERATIONS, ALL WASTEWATER MUST BE FLOWING '"? [1f (!f
T11 CON TRACTOR SHALL RECAST
A 510 4-FT DIAMETER PRECAST
THE MANHOLE SHALL eE A SEWER CONSTRUCTION BY GRAVITY AS INDICATED ON THE PLANS, WASTEWATER SHALL NOT BE DIVERTED INTO NEW GRAVITY
i
I
.
CONCRETE MANHOLE SCE STD.
DOGHOUSE MANHOLE THAT IS FIELD
LINES UNTIL ACCEPTANCE OF THE LINES BY THE TOWN OF CARY. f
DETAIL 070 01. LOCATED OVER THE ExISBNG 1) ALL SEWER LINES SHALL BE CONSTRUCTED AT THE LINES AND GRADES AS SHOWN ON THE
1-
MECCNIRACTCRSHALL PROVID? SEWER MAIN AS SHOWN ON ME PLANS. ANY SEWER CONSTRUCTION NOT INSTALLED AT THE GRADES SPECIFIED ON THE PLANS 2) POWER DISCONNECTION. THE CONTRACTOR SHALL NOTIFY THE OWNER WHO SHALL IN TURN CONTACT [''A
1..2
A SID. MH RING AND COVER FOR PL
ANS. PLUS OR MINUS 0.03% ALLOWABLE TOLERANCE SHALL BE SUBJECT TO REJECTION BY THE PROGRESS ENERGY 10 DISCONNECT ELECTRICAL POWER FROM THE PUMPING STATION. THE
WTFALLS AS SHOWN IN SN-
DE714
5100001 SHEET 2 OF 7 iME
LCNINACiOR SHALL PROVIDE OWNER. ANY SEWER INSTALLED BELOW 040% GRADE SHALL BE REJECTED WITH NO REGARD TO CONTRACTOR SHALL NOT PROCEED WITH PUMP STATION DEMOLITION ANO!OR REMOVAL UNTIL ? i
1 ?,.

.
IL
LIXT(NG COKES ARE REWIRED.

A STD. AIM RING AND COKE FOR
WTAILS AS SHOWN IN $T0 TOLERANCE
.

I74I GAYS AFTER NOTIFYING RITE OWNER THAT WASTEWATER IS FLOWING IN THE NEW
FOURTEEN
TY LINES
GRAV
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.
DETAIL 07000
3 SHEET 2 OF 3 I
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LOCKING COVERS ARE REWIRED 2) DUCTILE IRON PIPE APPROVED BY THE TOWN OF CARY IS REQUIRED FOR THE CONSTRUCTION OF [
]
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.
ALL SEWER MAINS UNDER THIS PROJECT.
3)
SALVAGE'. DURING THE FOURTEEN(14)DAYS, THE OWNER SHALL HAVE ELECTRICAL POWER
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A DISCONNCCiCO AND REMOVE SALVAGEABLEEW'.PMENT FROM THE PUMP STATION. ANY EQUIPMENT
em ; C?
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(
' 3) THE CONTRACTOR SH
LL BE FLOURED TO INSTALL BEOO.NG FOR ALL SEWTR MAINS REMAIN: NG AT THE END OF THAT TIME SHALL BE REMOVED AND DISPOSED OF BY THE CONTRACTOR. V
T
1..
bjI
»xo v)
` CONSTRUCTED WITH THIS PROJECT. THE BEDDING SHALT BE INSTALLED AT A WIN MUM DEPTH OF C?
( u)
137.16
7`160 M)
13 4-INCHES AS SHOWN IN THE DETAILS. 4) WATERSEFMCES WATER SERVICE CONNECTIONS AT THE WATER MAIN OF EACH STATION HAVING
Ike
WATER SERVICE SHALL BE DISCONNECTED AT THE MAIN BY THE TOWN OF CARY. THE CONTRACTOR
4) ALL SEWER MAIN CONSTRUCTION SHALL BE TESTED AS SPECIFIED INCLUDING VIDEO SHALL BE RESPONSIBLE FOR NOTIFYING THE TOWN OF CARY PUBLIC WORKS AND UTILITIES
ASSESSMENT AND CLEAN'NG OEPARTAENT WHEN THE DISCONNECTING OF WATER SERVICE IS REQUIRED. A MINIMUM OF 43 HOURS
NOTICE SHALL BE GIVEN THE TOWN BY THE CONTRACTOR.
S) LOWER SSURE AIR TESTING SHALL RE PERFORMED ON ALL SEWER MAINS AND LATERALS AFTER
(134.112 M)
sr vFlwl oe. Pees uwF ALL LATERALS OR STUBS HAVE BEEN INSTALLED ON THE LINE AND AFTER THE TRENCH HAS BEEN
BACK'FILLED TO FIN'SHED GRADE. 5) FORCE MAINS SOLID AND LIQUID CONTENTS OF THE FORCE MA-NS SHALL BE COMPLETELY REMOVED
AND DISPOSED OF PROPERLY IN ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH
dw M >oM.. pr . e ev ww[
s DEPARTMENT REGULATIONS. A PORTION OF EACH FORCE MAIN SHALL THEN BE REMOVED SUCH THAT IT
MANHOLE CONSTRUCTION IS AT LEAST THREE (3) FEET BELOW EXISTING GROUND ELEVATION (PRIOR TO CONSTRUCTION) OR HAS
BEGUN ITS HORIZONTAL RUN. BOTH ENDS OF EACH FORCE MAIN SHALL BE PERMANENTLY SEALED. ALL {_`tl CAIj0,
` \
'
1) ALL MANHOLE EXTERIOR JOINTS SHALL BE WRAPPED WITH AN APPROVED SEALING PRODUCT COSTS ASSOCIATED WITH PUMPING OUT AND SEALING THE FORCE MAIN SHALL BE INCLUDED IN THE !2 :
BSI
,V9 t
(131. 4u) (131.064 M) SUCHAS INFI-SHIELD SEAL WRAP ORAN APPROVED EQUIVALENT PRODUCT. ITEMZEO PROPOSAL B'D ITEM FOR 'PUMP STATION DEMOLITION AND REMOVAL', 4
p
[ n SEAL
j
2) ALL MANHOLE CONNECTIONS SHALL BE CORED WITH A CONCRETE CORING MI B) WET WELL: THE CONTRACTOR SHALL REMOVE ALL SOLID AND LIQUID CONTENTS OF THE WET WELL IN j 25908 1
UNAPPROVED CONNECTIONS SHALL BE REJECTED. ACCORDANCE WITH STATE AND LOCAL ENVIRONMENTAL AND HEALTH DEPARTMENT REGULATIONS_ THE
t ?
'NC'
f
3) ALL MANHOLES CONSTRUCTED WITH THIS PROJECT SHALL PASS A VACCUUM TEST AS SPECIFIED CONTRACTOR SHALL THEN REMOVE ALL PUMPS, MOTORS, BASES, ELECTRICAL CONTROLS, WEATHER
HOOD
ALL VALVING
FENCING AND ALL PIPING (SUCH THAT IT IS FLUSH WITH THE LOP OF THE WET WELL) T,
N,V(M?
C
1c
(123.
I5 M)
(128.015 N)
PRIOR TO ACCEPTANCE BY THE OWNER. ,
,
AND THEN SEAL ALL PIPES OPENINGS. UGEt+c?/
.+?
7) DEMOLRTON. FOLLOWING REMOVAL OF ALL SALVAGEABLE ITEMS, THE CONTRACTOR SHALL COMMENCE
DEMOLITION OPERATIONS ON THE PUMP STATION
TOTAL DEMOLITION OF THE STATION IS NOT
.
REQUIRED, BUT IS AT THE CONTRACTOR'S OPTION. THE CONTRACTOR SHALL DEMOLISH ONLY THAT ,. ,..
nc PORTION OF THE PUMP STATION FROM THE GROUND ELEVATION LEVEL PRIOR TO CONSTRUCTION 70 A Garde change
(124 8M) (124.963 M) POINT AT LEAST FIVE (5) FEET BELOW EXISTING GROUND LEVEL PRIOR TO CONSTRUCTION, PROVID'.NG A between
MH # 9
SUFFICIENT NUMBER OF WEEP HOLES IN OR NEAR THE FLOOR OF THE WET WELL AND THE PUMP _
and MH k 10

CHAMBER TO PREVENT FLOATATION OR WATER ENTRAPMENT. EACH WEEP HOLE SHALL HAVE ON BOTH _
12 J
2005

THE OUTSIDE AND INSIDE A GRAVEL PACK OF AT LEAST 2 CUBIC YARDS IN VOLUME. PROVIDE FILL an
.
_
MATERIAL OF SUFFICIENT QUANTITY TO FILL THE HOLE CREATED BY DEMOLITION.
(121.9 0 44) (121.920 M) B) COMPACTION: RACE FILL MATERIAL IN SIX (6) INCH LOOSE LIFTS, COMPACTED TO NNM PERCENT
(90%) PERCENT STANDARD PROCTOR DENSITY. GRADE SHALL CONFORM TO SURROUNDING - ----
TOPOGRAPHY, ABSENT OF ANY DEPRESSIONS. PROVIDE SEEDING AND MULCHING AS SPECIFIED
ELSEWHERE IN THE CONTRACT DOCUMENTS.

9J BLASTING: ANY BLASTING ASSOCIATED WITH DEMOLITION MUST BE IN FULL ACCORDANCE WITH
.
14
SPECIFICATIONS OUTLINED ELSEWHERE IN THE CONTRACT DOCUMENTS. NO ADDITIONAL PAYMENTS \'
--
^ WILL BE ISSUED FOR BLASTING OR ROCK EXCAVATION. - -
E f .
S ',CP.LF IE:1'=10'
H i p N')
"° 4 OF 5
GEINERALNOTBS
I) EXISTING UnI.ITYI OGT10'S SI [OWN ON IT R PI ANS ARE APPRO%IMAIT.. n R CONTRACTOR 51 LA 1. IoG'IF AI. UnITnFS AMDETTRMINT IF CONI ICES
EXIST. 'n 1E07VIRACIORSI W I. RFI'ORTANY OD V I [CIS TOD R FNGIN-FR
1) TTOINIRAGFORSIIAII. BERFSPONSIBIEFOROCMIPIIAYOUITIIA.I. REGN ATORY AGREEMENTS ANDITRMIS11 LAfI U\E BEEN ACQUIRED BYnR
OVNI IL F'AL LURE TD COVPLYSI W.L SERIT AS A OASIS TO ISSUE FINES BYTIIF. CONTROL I I G I.EGAI. AUI1 VR1'IY PAYMENTOFn USE LINKS WILL BF n IF
RFSPONSSIBII.ITY OF TITo:P I. =R.
1) TI R.'POVN V11 L PR0%TDF CONS'IRUXCIION STARING. 'IT T. CONTRACTOR 5I LM L NDnFY IT w TOWN SUP%EY CREW AT I FAST2UTFR5 IN AD%'AN'T OF VI ITN
S'I Al, ING I5 REQUIRED. D IF SUR%FY CRFV' CAN BE READ TD AT 4694011. OJNS1RUCnON WORE SI Al I. NOTGm.RWTI aUrADFQJAIE STAKING.
4) A.I.co-is iRLCnON SIW 1, BE IN ACOORDANlGE W1'111IT IF I.AD,srRFA'ISION OF IT R TOVN OF CARYS'SFANDARD SPE0T1GnONS ANTI DETAILS' AND IF R
NORn I CABOT INA DFPARTME VT OF TRANSPOPI A'DOVS'S I'ANDARD SPEOFi CATION FOR ROAM AM SIRUCILRFS, UN FSS OTI URVISF STAITD BY 11 T
1'I ANS..
1) 'IT IE COVIAACTOR SI W L OJNI.VF AT I CONS TRI.CIION OPFRADONS VTn E:Nn R RIGI IT 01: WAY rASEATNIS, OR CONFIRLICIION I AMTS AS SE TOWN ON 11 T
PI ANS.'n R CONTRACTOR SI WE BF ODMPI F 111 Y AM 5011.1 Y RESPOV. IBIF. IOR ANY FNIXOAO IMI NI'ONTO PRI\AlF PROPERTY 11 iFLOvN OF CARY
SI ALI 1XYl BE RESPONSE BIT. FOR AGRFFMrNIS BF"IWT.rN if IF OCNMACI OR AND PRVA'IT PROPi RIY OVNTRS,
M) ATI. MONUAIENfATION DISTURBED BY 111E CONTRACTORSI AT I. BE UPI AGED BY 11 IF, CONTRACT OR IN ACSORDACE WE D I IT IF CONIRACFDOObIFNIS.
ANY rKOPFKIY I BONS 11 AT ARE PITS IROOTD OR TIES 11 RBID DUKE NG'DIF. PROPOSED WORK SI TAT .I. BE SEI TO[ I OVNG DOS IRE I BY A PROI ISSIONIAL
I AND SLR%FI OF, NO DIRECT PAITII NI .111. BE MADI'.I OR SLICE I RI :I DGnONS
7) 'n PCO,NIRACIOR 51 W 1. BE RTSPONSI BE F IOR ROMO%TNG AND RFI T AGING STRFFTSIGNS , S'FORM FIRM NAGS r1 PIS AM On TR RELAIED FIT h4IHFMFI-D
DURINGCDNs TFL) ION All I'ITMSSIWI. BE REP] NO r)[N-niElRORIGIN.kl.IOCKIIONANOODVD1110.NI
ATI OGAnONS.
BI 2111E CONTRACTOR SI W L BE RFSPONSIBI F IOR ASSUBUNG'i11A'F MAII. SFRII(t. 15 NOTDISRUP'ITDTI TROLGI avFT1IF DLBA IIONGFGI:n;TRUCIIONI
OPERATIONS. TI IF CONTRACTOR SI TAI I I AN F All NI:CTSSARY ACI10NIS TO PIEFSFR%TIMMI. DFI E%TRY AC] 5S.
9) FXG%'NIT.D OR CONSTRUCTION MA'TMAI.51AT 1-401'BE STOKED ON PA\TD AREAS TI AT ARE OPFNTO%TI UCU ARTRMIIC FXG%ATTD MAITRIAIS SIW
BFS'IOaP11 CO AWAYIROM TI 1F ROADVAY VMFN rOSSIAI E. IV CASES V1IERF FXG\'AITD OR CONE'IAlCDO,V h1A'RMAS F11A7AFSIL10nIIIDINIDI:'D T
S IREFT RIGI Tr OF V AY, D RY SI LAI. BE RFI OCAI1:D VTI111N 1 OJNSI:C Tll %F. CM.FMAR DAO50F PI ACFh1FN'F ATTIU FNDOF FAOI VOR1,DAY,'I1 V
CONTRACTOR 51I,M.I RFMO%T STOCKPII.FD M'ITRINI. IROM'I11F ROADVAYAND OFAN-11 T. ROADV AY
101111E COVIRACIDRSI W LBE RFSPONSIBIE I'OR REPAIRING AM KEPI AGING PA%TMFVFDAMAGrO BY (DNSIRUCnOVFQLAPAUVTAT NG ADDITIONAL 07RI'
l O'D IF 0.11 R.
11) UI1IIlY 51 R%'1a. DISRLP'LIONi ARE NOFAT I OVTD IYOR'11 ITS PROJECT'.
I') SE IOIROIL IF ONIRACIOR DANLAGE ANY FXISi1NG 1O.N OF GARY LEFT I'El FS, INXI UDrNG WAIT R. SF%1'R AM 51OW DRAINAGE INRASIR,CILRfr.'11 U
CDNIRACI OR SI LM I [MI, FDI A'ITT YNO ']IFY'11 IF FNGI NTF RING INSrFCIOR AN *111R 10-OI GRY PUTil CVDRKS DIFAAIMENI. 11 U. ONIRACIOR SI W I.
BE C01 PI F111 Y AND 501 FL Y RESPONCIBI F IOR '11IT COMPI F'IF RFSTOBATION OP 111E DAMAGED UIIIJIIF5 INGE UDV,IG'ITMPORARYRFFARS MADE. BY 11 U:
OJVIRACIOR AM/OR 1111. PUB] Pcvl:)E,Rs FIT PAR INTENT
1 9 SI ION D'li T COYIAACICOR DAMAGE AVY FXIS'I1NG VTII I I1rS DWNFD BYOU6IDE Uil ITC PRO%10EK5 5 W IM PftCORC55 FN'RGYGAROIIVAS.IN1C,15NG,
FFI l SOUIll71 U'IOWV DF AI`FX, ETC, TI IF OIVIRACIOR SI IAI.I. IMMIDIAITIY OINIACF TELL UDI I'IYMN'R ANDSO E:DUI F KFPAIRS.'n1F IOVNCI GRY
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,U II IF CONTRACIOR SI W 1 BF CONIPI F'ITI Y AND SOI I'.1 Y RFSrONSIBI F I OR MAIVTMNNG SPIT S.A f'IY AM MEFn,1G AI. APPI ICABIF ITr)FFA, 5FATT AND
I OGI SA T. IY FTGUI A' LIONS,
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AND Ii IF CONIRACF DICTA:NIS.
Tn)I P. CONTRACTOR SI AT I. BE COMP] F 11.1 Y AND 50111 Y RE:SrONCIBI F FOR 517E C1 FANP'11 [ROUGE OUT IT IF I ITT Of I) T PROD CE 'IT IF ODNIRACIKR SI W I
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CONTRACTOR SIIAI 1. BE RFSTOVE AI F ISOR RFS'IOR]NG SI IT DRAINAGE'n MI FMSII:D PRIOR ID CDWIROCIMN
1711IE CO,VIRACIOR SIIAI I. NO 'I BE AT I OA I:D 10 BE DO, S FBI FIS VIM UNAT TNDFD YET UO FS OR S10aPIT Fn MA'ITKI M 5. n R CONIRACIOR51 IM I. PF
RFSTbNSI RI F FOR MOVING LN. l BUTTI I/T.D OR 1IN51.D I:QUI PMI:NI' AV AY I ROM ROADV'AY'IRA71C
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PRO F.GF, DURING "D T. CO'SIRUCIION UDRK. 11 ADDI IIONAI.I ROSE ON CONTROL MEASURTS, SLO i AS SILT ITNRE, ARE N:OSSARY'11 T. COVIRACITIR SIIAI I.
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PAYING. DRR'EWAY REPAIR AND CURB RP,PIACERINT
1) 211 IF CONIRACIOR51IA 1 RFPA%F All PA% EMFVF CISWI IIU NI GIFNDAR DAYS OF NO IF Yn R OKIGIYAI PA%TMFNri1ASAFFVRFRO% IDORIAIAl1:DEN[I IY
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A) All CONCRETE, DRI%FVAY PIPI AO'. MINI Si l41 BE WNSSIRICIFD Win 11- GI FNDAR DAY CM COVCI"IT: KI NIDYA. DKI%T.AY M:PNRS SI LAI I BF AI I FA: T
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1) TI IF CONTRACTOR SI Al L BE RFSPONSIBI E FOR ISSUFV'.. DOOR HANGERS AS SPECIFIED rONOTI[:YPROPFRIYOV.NURSDIU.CnYMITCEYDRY
CONSTRUCTION OF IMPENDING WORK. n R COMILACIOR V1I.L NOT BF. M I OV1D'ID D15NBB PROPERTYW1n a0r FIRSTISSIRNG'n T PU I IC
NOTIFICATIONS AS SPE01TEE) ATI FAST? DAYS PRIOR TO OO FIRLCIIOV IN AN AREA
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SEWER CONSTRUCTION
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Q A.I. SFM R MAIN OJNS'IRLICnONSIIAI I. BF 775770 AS SPTOI1fD 1N0 MIND %IDrO ASSFSShRN7 AN100 FANNG.
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1) ALI MAN 101 F CONNI:CnONS I'OR FMSDNO h1AN aI rS, FTC,SI TAI l BE C]IUD ki'D IA C)NKRFIF CORINOMAO TVF.
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FNGI,NF IR AT NO ADDI'11ONAI MST 1011 IT OWN, R.
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DISILRRED DURING CONS' a L1CIION A I NO ADDI ILONA CKI' IO'll T. OUNI:R
PTIASED CONSTRUCTION
1)'n IF CONTRACTOR SI TAI I. BF Ff:QUI KI:D ID INS 'I AI PI WE Iof IT a I U II SDA F IGETS 'T V AL R ANT) SFVTR I-XITN51ON PK0,1ECf BY AIAR0122,2. ..AN
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011111Sr 111 NIS MLS'I BE COMPI F.'1ID BY MARO 123.'001 FOR PI LAtF,1'10 BF CONS Of BED SUBS IANIIAII YCOMPI III: At SC111DU ID. ASOSFF SrCIION
21Y ,, PART R.IN FILE Pl a INIGI SPFOIIG'IONS.
TRENCITING
Q 'Il IE COVIRACIT)R 51 W L BAM:ILL AVDOOMPACF AI I.'IRFN011-S Ul-11 ISLA FARE F MATFRIM ASDIRECITII RY
'I7 R FNOINI:ER IF IhSUITARIF. MATFRIAI.IS FVCOUNITRCD, TI R CDNTRACIORSI W I.CJVIACFn R
ENGINE FIL
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'IRFNO I DIPIII FXCLEDS RFT AT No ADDITIONAL COS 11011 If. OV VFR 111F CONRACTORM W L NOT FXIFM
T"I.NO I VIDTI I BFYONDn IF FASFMFNF OR RIGI FF OF V AY BOUNDARY,
WATER MAIN CONSTRUCTION
1) A l l . VA'n R I INNS SI IM I. P.F. CONSTRIICITD AS SI X)VNONit T PI ANS
n AI.LVAITRMAINCOE6'IRUCn ONIIASPFFNDFSIG\7DTOAFCONSIRL)CITDV7'DKRJFCOVd.F"IE
RFACIION RI DOTING FXCFP'F AS SPF.OFICMI Y NUITD ON11 T. PEA`S.
1) 11 IECONTRACTORSIAll rRO%1DERI-S'IRAIN'EDJOINI' PIPE AS SPFOIIEDBYTIIF COVIKACFDOCAIFN'IS
IN'n UI I CIGDONS AVD I I.. G'll S AS SI IO.NON II T PLANS.
4) AI.I.FI'I'11NGSPKOVIDFDIORVAITRMMNCONB'IRUCDONSIUI.I. KETIRCONKENT]CRINORTSIRANE-D
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%AT %F AM Ini)FINYT ASSFhIRI.ITS SUO i AS'TI KKF MANUTACIIRFD AYMUTA I FR AQUAGRIPOP AN
FN l.N IRAPPRO%TDFQU%MFNFPRODUCT. 1GUNAPPKO%'EDSUPSII'IVIION5WI1 . AFACTFITD
I.) "I1117CONIRACIORSI W I. PRO%IDE AI.L U A'IT R S)SITNI1TS'n,`G AS SPFCIFDBYTITO7,VIAACI'
DOCAIFAIS_
=i I 'N
0 WATER METER (e,FsfiN)
CLEAN OUT (exisll0g)
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LIGHT POLE (existing)
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w POWER POLE (exisfiyJ
CATCH BASIN (e1lst,N)
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ITT•I,I:_11'' ,:.:'t PT 'll I' IN•IY,..., B';
A TRAVERSE POINT
0 IRON PIPE CALCULATED
IM GAS VALVE(-tg)
N WATER VALVE (-I.I
N WATER VALVE (pmp°sed)
FIRE HYDRANT (ezist,,g)
Y FIRE HYDRANT(pmp-d)
ED SEWER MANHOLE (..IM,rg)
0 CATCH BASIN(Pmposed)
Ww iYw
TREE (DECIDUOUS) TREEANOCANOP'I
AIJ SHRUB
M MONWIDISC S RAY MON
0 EXISTING IRON PIPE V BENCH MART(
SEWER MANHOLE (pUPOSed)
0 TELEPHONE MANHOLE (.xmt,19)
0 WATER SYSTEMS MANHOLE (..M)
0 STORM DRAINAGE MANHOLE(exist)
0 ,,SEWER CI-FAN OUT(pmp..d)
_I WATER METER (,-,-.d)
YARD INLET (eds1l°g)
(ezistirgJ
r SIGN
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!'E llc-Pi o'. DESIGNED G : J LEVELS 10,j'[! ^7 CAP'r pz? E54 y% DIRECTOR OP[[:GIrICERfr:G 2g16
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SEAL
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111 CONTRACTOR SHAD PRO11oE
A STD. 5-FT DIAMETER PRECAST • C?
A's ^
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CONCRETE MANHOLE SEE SM. r
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DETAIL 07000 01.
M,' ? d
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THE CONTRACTOR SHALL PROVIDE ?? G• T f),.
A ITS. MH RING AND COVER FOR
OU MALLS AS SHOYM IN STO Y
.
DETAR 07000.03 SHEET 2 OF ]L
LOCKING COVERS ARE REQUIRED
f?
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.
THE CONTRACTOR SHALL PROVIDE
A STO
5-FT DIAMETER PRECAST C?•

(137160 M) .
CONCRETE MANHOLE SCE SM.
DETAIL 0700001.
THE CONTRACTOR SHALL PROVIDE
A STD. MH RING AND COVER FOR
TFALLS AS SHOVM IN STD
O 1m
(177.160 M) F?

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34.112 THE CONTRACTOR SHALL PROVIDE

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(
AN APPROKD CONNECTION 70
Ex?SING uH 'A'-I

E CONTRACTOR SHALL PROVIDE

CAST
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RW U-]101, PAOPOYO

IACM U-31, PkpPpSED SMWLDCA ELEVATION

01
SHOULCER ELL VANpN
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A STD. 1-FT DIAMETER PRCCASI

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HE LOh TRACT OR SHALL PROVDE
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CONCHLIL .ANHOa SILL S O
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THE CONTRAC-CIR
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ROADWAY ELEVATION OUTTALLS AS SFOWN IN 570.

DETAIL 07000.03 SHEET 2 OF 3. ?

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131.064
(
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MC CCNTRACTJA SHALL PROVDE A
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OUTFAIIS AS DETAIL 0700001,

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SANITARY SE M.R PROTECTION CURING
DETAIL 0700007 SHEET 2 OF 3.
THE CONTRACTOR SHALL PROVIDE 6
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CONSTRUCTION, SEE DETAIL 7000. 17. LOCKING (01-*.RS ARE RCIXUifD. A SPJ. MH R"1; AND COVER FOR w,ti im ? zSVe 147
A i 25908 ;
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CUTFALLS AS SHOYN M SM. h
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1
-FT DIAMETER PRECAST
.
A STD DIET It 07000.07 SHEET 2 OF 7.

LOCKING CONKS ARE REOI)IRTO Rlwl U St01 OPOS[ » M wd y a,sra "M i 17,?sfx r
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GENERAL NOTES
I) EX IS ZING UDI I'IY IOGTONS SI IOAN ON IT T. PLANS ARE APPROM MA IT. TP COYIRACIOR SI L1,11 LOCALE All U011'IIFS AND DFATILM IT, IF COVE LICIS
EXIST. 111F CONIRACI'ON51 W.I. REPORTANY CUNITICISTOT M ENGIEB'.FR
n TI IF CONTTRACFORSl W I. BE RFSPONSIBI.F FOR COh1P1IANff WInI M I. AFGLB.AfORY AGRFFh1EYl5 AND PFRN111311 WFIMVE BFFNACQURFD BY'II P
OWNER FMLUIKE TO COMPLYSI TALL SERVE ASA BASIS TO ISSUE FUZES BYTE IF, CONIROLLIN;LFGA. ALLI pM'IT PAYMENFOFT USE LINES %I[ L BE 11 IF
MSPONSIBILIIYOF 111KCONIAACIDR
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