20051542 Ver 1_Complete File_20051212

?0F `NAT ?q0 Michael F. Easley, Governor
William G. Ross Jr., Secretary
r North Carolina Department of Environment and Natural Resources
-? Alan W. Klimek, P.E. Director
Division of Water Quality
July 18, 2006
DWQ EXP No. 05-1542
Wake County
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
POGO 1 LLC
12620 Port Chester Court
Raleigh, NC 27614
Subject Property: Pat's Branch Subdivision
EXPRESS REVIEFV PROGRAM NOTIFICATION
Dear Sir or Madam:
On September 12, 2005, the Division of Water Quality (DWQ) issued your buffer approval as required to construct
the proposed subdivision. Within the approval letter that you received there is a condition that reads:
Notification of Construction
The applicant and/or authorized agent shall contact the DWQ Express Review Program in writing at the
letterhead address within 10 days of the commencement of construction.
This is a part of the Express Review Program that is required to ensure compliance during construction and post
construction. Therefore, if you have begun construction of your subdivision, you are required to notify this office in
writing by July 27, 2006. If you do not notify this office in writing and construction has started, you are in violation
of the Water Quality Certification Rules as required by 15A NCAC 21-1.0507(c).
This letter is to notify you and make you aware of this new condition that has been written into the Water Quality
Certifications issued within the Express Review Program. Please call Lia Myott at [phone] if you have any
questions regarding this matter. /,
Sin r ly, OVA
Cyndi Karoly,
401 Oversight/Express Review Permitting Unit
CBK/lem
cc: USACE, Raleigh Office
DWQ Raleigh Regional Office
File Copy
Central Files
Filename: 051542 PatsB ranchS D(W ake)EXP+NOT
401 Oversight / Express Review Permitting Unit t
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone] / FAX [phone] / Internet: http://h2o.enr.state.ne.us/ncA,ctlands
No"` Carolina
?tura!!y
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper
?0? 1'N A TF9'Q Michael F. Easley, Governor
William G. Ross Jr., Secretary
r North Carolina Department of Environment and Natural Resources
0 -? Alan W. Klimck, P.E. Director
Division of Water Quality
August 18, 2005
DWQ EXP No. 05-1542
Wake County
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
Pogo I, LLC
12620 Port Chester Court
Raleigh, NC 27614
Subject Property: Pat's Branch Subdivision
REQUEST FOR MORE INFORl1'IATION-EXPRESS REVIEIV PROGRAM
On August 17, 2005, the Division of Water Quality (DWQ) received your application dated August 16,
2005 to impact 4976 ftZ to construct the proposed Pat's Branch Subdivision project. The DWQ has
determined that your application is incomplete and/or provided inaccurate information as discussed
below. The DWQ will require additional information in order to process your application to impact
protected wetland, streams and/or buffers on the subject property. Therefore, unless we receive the
additional information requested below, we will have to move toward denial of your application as
required by 15A NCAC 2H.0506 and will place this project on hold as incomplete until we receive this
additional information. Please provide the following information so that we may continue to review your
project.
Additional Information:
1. Please provide a geotechnical report verifying the constructability of bottomless culverts at this site.
2. Please provide plan, profile and cross-sectional details for the two proposed bottomless culverts.
The design and placement of the culverts shall not be conducted in a manner that may result in
aggradation, degradation or significant changes in hydrology of the streambed and bank, adjacent to
or upstream and downstream of the structure. The openings must be provided to maintain the
natural hydrology of the system as well as prevent constriction of the floodway that may result in
aggradation, degradation or significant changes in hydrology of streams.
3. The application package neglected to include an Operation and Maintenance Agreement for the
level spreaders. Please provide an original that is signed and notarized as well as copies.
4. Please submit site plans that include the footprints of the houses, walks, patios/decks, etc.
5. The 8" sanitary sewerline indicated on the southeast portion of the project has parallel impacts to
the protected riparian buffer. These impacts will require a Nationwide 12/GC 3374.
Please respond within three (3) days of the date of this letter by sending five (5) sets of this information to
me in writing. The Express Review Program is a process that requires all parties to participate in a timely
manner. If the DWQ feels the Express Review Program is the incorrect review program for your project,
then we may have to return your application and have it reviewed through our regular 401 Water Quality
Certification Program.
401 Oversight/ Express Review 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://h2o.enr.state.nc.us/ncwetiands
NehCarolina
Rurally
An Equal Opportunity/Affirmative Action Employer - 50 °o Recycled/10% Post Consumer Paper
Pat's Branch Subdivision
Page 2 of 2
August 18, 2005
This letter only addresses the application review and does not authorize any impacts to wetlands, waters
or protected buffers. Please be aware that any impacts requested within your application are not
authorized (at this time) by the DWQ. Please call Cynthia Van Der Wiele at [phone] if you have
any questions regarding or would like to set up a meeting to discuss this matter.
in'c rely,
Cyndi Kar 1 ,
401 Oversight/Express Review Permitting Unit
CBK/cvdty
cc: Russell Briggs, B&F Consulting, 2805 Tobermory Lane, Raleigh, NC 27606
USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
File Copy
Central Files
Filename: 0515 a 2 Pa is B ra n c h (NVa ke) EXP+Ii o l d
420? W A T ?9QG
Michael F. Easley, Governor
William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
September 12, 2005
Pogo I, LLC
Attn: Ron Mikesh
12620 Port Chester Court
Raleigh, NC 27614
Subject Property: Pat's Branch Subdivision
UT to Turkey Creek [27-33-9-2, B NSW]
Alan W. Klimek, P.E. Director
Division of Water Quality
DWQ EXP # 05-1542
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-EXPRESS
REVIEFV PROGRAM
You have our approval, in accordance with the attached conditions and those listed below, to
place fill within or otherwise temporarily impact 1,654 ft2 of Zone 1 and 1,333 ft2 of Zone 2
during the sanitary sewer installation, as well as permanently impact 3,326 ft2 Zone 1 and 1,650
ft2 Zone 2 (total of 4,975 ft2) of protected riparian buffers to construct the shared driveways, as
described within your application dated August 17, 2005 and received by the N.C. Division of
Water Quality (the "Division") on August 18, 2005 and additional information dated August 23
and August 30, 2005, are covered under General Water Quality Certification Number 3374
(GC3374). This General Certification allows you to use Nationwide Permit 12 when issued by
the US Army Corps of Engineers (USACE). This letter shall also act as your approved
Authorization Certificate for impacts to the protected riparian buffers per 15A NCAC 213 .0233.
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 and Non-discharge regulations. Finally, 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 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 Water Quality Certification and any additional conditions listed
below.
401 Oversight/ Express Review 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://h2o.enr.state.nc.us/ncwetlands
NorthCarolina
Jl atura!!y
An Equal Opportunity/Affirmative Action Employer- 501/b Recycled/10% Post Consumer Paper
Pat's Branch Subdivision
Page 2 of 5
September 12, 2005
The Additional Conditions of the Certification and Buffer Authorization are:
1. Impacts Approved
The following impacts are hereby approved as long as all of the other specific and
general conditions of this Certification are met. No other impacts are approved
including incidental impacts to streams, buffers, or wetlands:
Impact Type Amount (Units) Mitigation Reference
Buffer Zone 1 3,326 (ft) N/A Two shared driveways; PCN form, plans
(perm.)
Buffer Zone 2 1,650 (ft) N/A Two shared drives; PCN form, plans
(perm.)
Buffer Zone 1 1,654 (ft) N/A Sanitary Sewer; PCN form, plans
temp.
)
Buffer Zone 2 1,333 (ft) N/A Impact Area 3; PCN form, plans
(temp.)
Furthermore, if a compliance inspection reveals impacts to streams, Pogo I, LLC
will be required to develop and receive DWQ on stormwater management facilities
(in accordance with DWQ standards) for the entire project area.
2. No Waste, Spoil, Solids, or Fill of Any Kind
No waste, spoil, solids, or fill of any kind shall occur in 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.
3. 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.
Pat's Branch Subdivision
Page 3 of 5
September 12, 2005
d. The reclamation measures and implementation must comply with the
reclamation in accordance with the requirements of the Sedimentation Pollution
Control Act.
4. Protective Fencing
The outside riparian buffer boundary and along the construction corridor within these
boundaries approved under this Authorization shall be clearly marked with orange
warning fencing (or similar high visibility material) for the areas that have been approved
to infringe within the protected riparian buffer prior to any land disturbing activities.
5. Diffuse Flow
All stormwater shall be directed as diffuse flow at non-erosive velocities through the
protected stream buffers and will not re-concentrate before discharging into the stream as
identified within 15A NCAC 2B .0233(5)
In an effort to comply with the diffuse flow provision of the Buffer Rule (15A NCAC
02B .0233(5)), you have provided the DWQ with level spreader designs dated August 23,
2005. The DWQ believes that if implemented, as per these plans, diffuse flow will be
achieved. However, if diffuse flow as per 15A NCAC 02B .0233(5) is not achieved, then
the DWQ shall be notified and corrective actions to restore diffuse flow shall be taken if
necessary to impede the formation of erosion gullies. At no time shall stormwater from
the proposed development be piped directly through the buffer without prior DWQ
written authorization.
The structural stormwater practices as approved by this Office as well as drainage
patterns must be maintained in perpetuity. No changes to the structural stormwater
practices shall be made without written authorization from the Division of Water Quality.
Stormwater easements shall be recorded for a distance of at least 10 feet on each side of
all stormwater conveyances and on all lots containing these structures including future
access for maintenance. The stormwater easements shall allow for the ability to maintain
the structures, perform corrective actions as described above and shall provide protection
of the structures from potential alternations by future property owners.
6 Culvert Installation
The bottomless culverts, bottomless arches or other spanning structures used on this
project shall span the entire bed and both banks of the stream and may only be used for a
road, driveway or path crossing. Mitering of the bottomless culvert in order to follow the
stream pattern is prohibited. The bottomless culverts required for this project shall be
installed in such a manner that the original stream profiles are not altered. Existing stream
dimensions (including the cross section dimensions, pattern, and longitudinal profile)
must be maintained above and below locations of each culvert. Culverts shall be
designed and installed to allow for aquatic life movement as well as to prevent head
cutting of the streams.
Pat's Branch Subdivision
Page 4 of 5
September 12, 2005
7. Construction Stornnvater Permit NCG010000
Upon the approval of an Erosion and Sedimentation Control Plan issued by the Division
of Land Resources (DLR) or a DLR delegated local erosion and sedimentation control
program, an NPDES General stormwater permit (NCGO10000) administered by DWQ is
automatically issued to the project. This General Permit allows stormwater to be
discharged during land disturbing construction activities as stipulated by conditions in the
permit. If your project is covered by this permit [applicable to construction projects that
disturb one (1) or more acres], full compliance with permit conditions including the
sedimentation control plan, self-monitoring, record keeping and reporting requirements
are required. A copy of this permit and monitoring report forms may be found at
http://h2o.eizr.state.iie.uslsu/Forms Documents.htm.
8. No Sediment & Erosion Control Measures w/n Wetlands or IYaters
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 two (2) months of the date that the Division of Land Resources has released the
project.
9. Dater Quality Certification(s)
The proposed project must comply with all the conditions of general Water Quality
Certification (GC) 3374.
10. Re-Opener Clause
Pogo I, LLC and its authorized agents shall conduct its activities in a manner consistent
with State water quality standards (including any requirements resulting from compliance
with the Clean Water Act) and any other appropriate requirements of State law and
federal law. Pogo I, LLC shall require its contractors (and/or agents) to comply with all
of the terms of this Certification, and shall provide each of its contractors (and/or agents)
a copy of this Certification.
A copy of this Certification shall be included in the construction contract and available on
the job site at all times. If DWQ determines that such standards or laws are not being met
(including the failure to sustain a designated or achieved use) or that State or federal law
is being violated, or that further conditions are necessary to assure compliance, DWQ
may reevaluate and modify this Certification to include conditions appropriate to assure
compliance with such standards and requirements in accordance with 15A NCAC
2H.0507(d). Before modifying the Certification, DWQ shall notify Pogo I, LLC and the
US Army Corps of Engineers, provide public notice in accordance with 15A NCAC
24.0503 and provide opportunity for public hearing in accordance with 15A NCAC
2H.0504. Any new or revised conditions shall be provided to Pogo 1, LLC in writing,
shall be provided to the United States Army Corps of Engineers for reference in any
permit issued pursuant to Section 404 of the Clean Water Act, and shall also become
conditions of the 404 Permit for the project.
Pat's Branch Subdivision
Page 5 of 5
September 12, 2005
11. 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/Wetlands Unit, North Carolina
Division of Water Quality, 1650 Mail Service Center, Raleigh, NC, 27699-1650.
12. Notification of Construction
The applicant and/or authorized agent shall contact the DWQ Express Review Program in
writing at the letterhead address within 10 days of the commencement of construction.
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 Permit.
If you do not accept any of the conditions of this Certification (associated with the approved
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 §401 of the Clean Water
Act. If you have any questions, please telephone Cyndi Karoly at 919-733-9721 or Cynthia F.
Van Der Wiele at 919-715-3473 in the Central Office in Raleigh.
Sincerely,
AWK/cbk/cvdw
Enclosures: GC 3374
Certificate of Completion
cc: USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
DLR Raleigh Regional Office
F-imek, 'PE,Director
File Copy
Central Files
Russell Briggs, B&F Consulting, Inc., 2805 Tobermory Ln., Raleigh, NC 27606
Filename: 051542Pat'sBranch (Wake)EXP+401NBR
I
August 23, 2005
VIA HAND DELIVERY
Ms. Cyndi Karoly
401 Oversight/Express Review Permitting Unit2321 Crabtree Boulevard
Raleigh NC 27604
RE: DWQ EXP No. 05-1542
Wake County
RESPONSE TO REQUEST FOR MORE INFORMATION
Dear Ms. Karoyl,
Please find outlined our responses to the requrest for more information.
? a HWRE
AUG 2 3 2005
DEwR - VdAIER QUALITY
V'ETLtu:t?iJ ??tl] STC ?„h1?11 tit L?hu.Cf?
1. The bottomless culverts and/or bridge spans will be constructed outside of the wetland
area and bank of channel. The footing will be a spread footing that will be capable of
supporting HS20 loading. The requirement for this loading is primarily due to construction
traffic (loaded concrete truck, brick and block delivery, etc), but is also required after
construction should, for example, tree removal need take place and a truck loaded with
timber cross the span. Otherwise, normal residential traffic would dictate a smaller
loading requirement.
The naturally-occurring soil in these areas is a stiff soil determined from hand augers to a
depth of approximately 5', which is the approximate depth of the footing. Such a naturally
occurring soil will support a load of at least 1500 pounds per square foot. The HS20
loading of 16000 pounds per wheel pair results in a load on the structure of 64,000
pounds. Thus, the bearing alone will require 32 square feet, or 16 square feet per end
should the crossing be a bridge that is 10' wide. The footing, to resist bearing would be
approximately 2' wide by 10' long. The detailed structural design of the footing will be
controlled by the overturning moment rather than the need to support the weight of the
HS20 vehicle. Please find attached the illustration of the loading requirements for a HS20
vehicle.
2. Plan and profile are attached.
3. O&M agreement for the level spreader is attached.
2805 TOBERAIORY LANE • RALEIGH, NORTH CAROLINA • 27606
RUSSELL. BRIGGS, P.R.: PnONE: 919.618 0180 FAY: 919.816.9361 EMAIL: IZBRIGGCL,i?N( rtir co q
AMBER FARRELLY, Y.E.: PHONE: [phone] PAY: 919.467.8827 E'MA1L: AFARFFI r Ynnr a
R cons
-2- August 23, 2005
4. As discussed with Cynthia Van Der Wiele, the actual footprint of the house is not known at
this time. Also, her concern was limited to the four lots on the south side of the Neuse
River Buffer. We have included illustrative layouts of rather large footprints to show they
may be accommodated. As well, for these four lots, we have shown the side yard and
rear yard setbacks. For this exercise, we have altered the lot line between lots 20 and 21
outside of the NRB to accommodate a side-entry garage for lot 21.
5. Noted. Please recognize the parallel impact is dictated by an existing manhole which was
placed by others at the property line prior to the NRB criteria.
If I can provide any additional inf ation, please advise.
?N C ..
Sincerely, e;Q?FESSlOti`i.
Russell Briggs, P.E.
LEVEL SPREADER OPERATION AND MAINTENANCE AGREEMENT
The level is defined as an elongated, level threshold, designed to diffuse stormwater runoff.
Maintenance activities shall be performed as follows:
1. After construction and until vegetation has been established, level spreader(s) shall be inspected after
every rainfall. Thereafter, level spreader(s) shall be inspected at least every month and more
frequently during the fall season and after heavy rainfall events:
a. Accumulated sediment, leaves and trash shall be removed, and repairs made if required.
b. Inspect level spreader(s) for evidence of scour, undercutting settlement of the structure, and'
concentrated flows downhill from the level spreader(s).
c. A level elevation shall be maintained across the entire flow-spreading structure at all times.
Repair or replace the level spreader if it is damaged.
d. Mow vegetation cover to a height of six (6) inches and prune plants if they cover over half of the
level spreader surface.
e. Repair eroded areas and replace/replant dead or damaged vegetation.
2. The contractor should avoid the placement of any material on and prevent construction traffic across
the structure. If the measure is damaged by construction traffic, it shall be repaired immediately.
3. Inspect and repair the collection system (e.g. catch basins, pipes, swale, riprap) four (4) times a year to
maintain proper functioning.
I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance
procedures listed above. I agree to notify DWQ of any problems with the system or prior to any changes to
the system or responsible party.
Print name:
Title: lTkv rJ

Address: / c) Per--,7 cl?
Phone: 9 16?1. Z`:1.55 1__?
Signature: I
Date: `Y, . 2 3

-&--W , N e 2 ? ? I e-,
Note: The legally responsible party should not be a homeowners association unless more than 50% of the
lots` have been s Id and a resident of the subdivision has been named the president.
I ?- i . --.c??o ??o
a Notary Public for the State of
County of `\ OCR do hereby certify that 1 ? n YVtt?r?l-1
personally appeared before me this 7--3, (-0day of 1", Lc_-& _ , and acknowledge the due
execution of the forgoing level spreader maintenance requirements. Witness my hand and official seal,
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Office Use Only: Form Version May 2002
USACE Action ID No. DWQ No. '-W 05' 1 511
(11 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
2. Nationwide, Regional or General Permit Number(s) Requested:
3. If this notification is solely a courtesy copy because written approval for the 401 Certification
is not required, check here: ?
4. If payment into the North Carolina Wetlands Restoration Program (NCWRP) is proposed for
mitigation of impacts (verify availability with NCWRP prior to submittal of PCN), complete
section VIII and check here: ?
5. If your project is located in any of North Carolina's twenty coastal counties (listed on page
4), and the project is within a North Carolina Division of Coastal Management Area of
Environmental Concern (see the top of page 2 for further details), chec) D ?
II. Applicant Information p ?k-'9 T,?
1 ?p05
1. Owner/Applicant Information Ally 1
Name: Pogo I, LLC T rR TY tN, {
Mailing Address: 12620 Port Chester Court, Raleigb2j!At 5i01`l'
Telephone Number: 919.291-5517 Fax Number: 919.562.3426
E-mail Address: prowl erlIc(2cs.com
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: Russell Briggs
Company Affiliation: B&F Consulting
Mailing Address: 2805 Tobermory Lane
Raleigh NC 27606
Telephone Number: 919.618.0180 Fax Number: 919.816.9361
E-mail Address: rbriggsa,nc.rr.com
Page 5 of 13
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: Pat's Branch Subdivision
2. T.I.P. Project Number or State Project Number (NCDOT Only): N/A
3. Property Identification Number (Tax PIN):0777.04-63-7102, 0777.04-63-5389;
0777.04-63-4057
4. Location
County: Wake Nearest Town:_ Raleigh
Subdivision name (include phase/lot number): Pat's Branch Subdivision
Directions to site (include road numbers, landmarks, etc.): Approximately 0.7 miles South
of the US 70 and Ebeneezer Church Road intersection.
5. Site coordinates, if available (UTM or Lat/Long): 703791F, 3972331N
(Note - If project is linear, such as a road or utility line, attach a sheet that separately lists the
coordinates for each crossing of a distinct waterbody.)
6. Property size (acres): 9.32Acres
7. Nearest body of water (stream/river/sound/ocean/lake): Turkey Creek
8. River Basin: Neuse
(Note - this must be one of North Carolina's seventeen designated major river basins. The
River Basin map is available at ham://h2o.enr.state.nc.us/admin/maps/.)
9. Describe the existing conditions on the site and general land use in the vicinity of the project
at the time of this application: Existing logged site, mixed new growth forest, with existing
single-family homes
Page 6 of 13
10. Describe the overall project in detail, including the type of equipment to be used: Typical
residential subdivision consisting of 23 single family dwellings. Conventional construction
consisting of installation of water, sewer and storm drainage utilities by hydraulic excavators,
grading for the roadways using self-loading hydraulic scrapers, bulldozers and compaction
equipment, paving and curb and gutter.
11. Explain the purpose of the proposed work: For construction of a residential subdivision as
approved by the City of Raleigh land use plan.
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.
None
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.
No
VI. Proposed Impacts to Waters of the United States/Waters of the State
It is the applicant's (or agent's) responsibility to determine, delineate and map all impacts to
wetlands, open water, and stream channels associated with the project. The applicant must also
provide justification for these impacts in Section VII below. All proposed impacts, permanent
and temporary, must be listed herein, and must be clearly identifiable on an accompanying site
plan. All wetlands and waters, and all streams (intermittent and perennial) must be shown on a
delineation map, whether or not impacts are proposed to these systems. Wetland and stream
evaluation and delineation forms should be included as appropriate. Photographs may be
included at the applicant's discretion. If this proposed impact is strictly for wetland or stream
mitigation, list and describe the impact in Section VIII below. If additional space is needed for
listing or description, please attach a separate sheet.
Page 7 of 13
Provide a written description of the proposed impacts: No impacts to Waters of the US or
Waters of the State, since the driveways will span the creek via bottomless culverts
1. Individually list wetland impacts below:
Wetland Impact
Site Number
indicate on ma
Type of Impact* Area of
Impact
(acres) Located within
100-year Floodplain**
(es/no Distance to
Nearest Stream
(linear feet
Type of Wetland***

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: mechanized clearing, grading, fill,
excavation, flooding, ditching/drainage, etc. For dams, separately list impacts due to both structure and flooding.
** 100-Year floodplains are identified through the Federal Emergency Management Agency's (FEMA) Flood Insurance Rate Maps
(FIRM), or FEMA-approved local floodplain maps. Maps are available through the FEMA Map Service Center at 1-800-358-9616, or
online at http://www.fetna.eov.
*** List a wetland type that best describes wetland to be impacted (e.g., freshwater/saltwater marsh, forested wetland, beaver pond,
Carolina Bay, bog, etc.) Indicate if wetland is isolated (determination of isolation to be made by USACE only).
List the total acreage (estimated) of all existing wetlands on the property: 10+ acres
Total area of wetland impact proposed: None
2. Individually list all intermittent and perennial stream impacts below:
Stream Impact
Site Number
indicate on ma)
Type of Impact* Length of
Impact
(linear feet
Stream Name** Average Width
of Stream
Before Impact Perennial or
Intermittent?
(please seci

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: culverts and associated rip-rap,
dams (separately list impacts due to both structure and flooding), relocation (include linear feet before and after, and net loss/gain),
stabilization activities (cement wall, rip-rap, crib wall, gabions, etc.), excavation, ditching/straightening, etc. If stream relocation is
proposed, plans and profiles showing the linear footprint for both the original and relocated streams must be included.
** Stream names can be found on USGS topographic maps. If a stream has no name, list as UT (unnamed tributary) to the nearest
downstream named stream into which it flows. USGS maps are available through the USGS at 1-800-358-9616, or online at
www.useSeveral internet sites also allow direct download and printing of USGS maps (e.g., wwlv.topozone.com,
www.mapquest.com, etc.).
Cumulative impacts (linear distance in feet) to all streams on site:
Page 8 of 13
3. Individually list all open water impacts (including lakes, ponds, estuaries, sounds, Atlantic
Ocean and any other water of the U.S.) below:
Open Water Impact
Site Number
indicate on ma
Type of Impact* Area of
Impact
(acres)
Name Wate)
(if applicable) Type of Waterbody
(lake, pond, estuary, sound,
bay, ocean, etc.)

* List each impact separately and identify temporary impacts. Impacts include, but are not limited to: fill, excavation, dredging,
flooding, drainage, bulkheads, etc.
4. 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., danl/embankment, excavation, installation of
draw-down valve or spillway, etc.):
Proposed use or purpose of pond (e.g., livestock watering, irrigation, aesthetic, trout pond,
local stormwater requirement, etc.):
Size of watershed draining to pond: Expected pond surface area:
VII. Impact Justification (Avoidance and Minimization)
Specifically describe measures taken to avoid the proposed impacts. It may be useful to provide
information related to site constraints such as topography, building ordinances, accessibility, and
financial viability of the project. The applicant may attach drawings of alternative, lower-impact
site layouts, and explain why these design options were not feasible. Also discuss how impacts
were minimized once the desired site plan was developed. If applicable, discuss construction
techniques to be followed during construction to reduce impacts.
In narticular. the elan was modified from an originally submitted plan to the Citv of Raleiah
that had the cul-de-sac intruding into the NRB.
VIII. Mitigation
DWQ - In accordance with 15A NCAC 2H .0500, mitigation may be required by the NC
Division of Water Quality for projects involving greater than or equal to one acre of impacts to
freshwater wetlands or greater than or equal to 150 linear feet of total impacts to perennial
streams.
USACE - In accordance with the Final Notice of Issuance and Modification of Nationwide
Permits, published in the Federal Register on March 9, 2000, mitigation will be required when
Page 9 of 13
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 NCWRP concurrence shall be placed on hold as
incomplete. An applicant may also choose to review the current guidelines for stream restoration
in DWQ's Draft Technical Guide for Stream Work in North Carolina, available at
http://h2o.enr.state.nc.us/ncwetlands/strmgide.html.
1. Provide a brief description of the proposed mitigation plan. The description should provide
as much information as possible, including, but not limited to: site location (attach directions
and/or map, if offsite), affected stream and river basin, type and amount (acreage/linear feet)
of mitigation proposed (restoration, enhancement, creation, or preservation), a plan view,
preservation mechanism (e.g., deed restrictions, conservation easement, etc.), and a
description of the current site conditions and proposed method of construction. Please attach
a separate sheet if more space is needed.
2. Mitigation may also be made by payment into the North Carolina Wetlands Restoration
Program (NCWRP). Please note it is the applicant's responsibility to contact the NCWRP at
[phone] to determine availability and to request written approval of mitigation prior
to submittal of a PCN. For additional information regarding the application process for the
NCWRP, check the NCWRP website at http://h2o.enr.state.nc.us/wrp/index.htm. If use of
the NCWRP is proposed, please check the appropriate box on page three and provide the
following information:
Amount of stream mitigation requested (linear feet):
Amount of buffer mitigation requested (square feet):
Amount of Riparian wetland mitigation requested (acres):
Amount of Non-riparian wetland mitigation requested (acres): 0
Amount of Coastal wetland mitigation requested (acres):
IX. Environmental Documentation (required by D`VQ)
Page 10 of 13
Does the project involve an expenditure of public (federal/state) funds or the use of public
(federal/state) land?
Yes ? No
If yes, does the project require preparation of an environmental document pursuant to the
requirements of the National or North Carolina Environmental Policy Act (NEPA/SEPA)?
Note: If you are not sure whether a NEPA/SEPA document is required, call the SEPA
coordinator at [phone] to review current thresholds for environmental documentation.
Yes ? No ?
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.
Will the project impact protected riparian buffers identified within 15A NCAC 2B .0233
(Meuse), 15A NCAC 2B .0259 (Tar-Pamlico), 15A NCAC 2B .0250 (Randleman Rules and
Water Supply Buffer Requirements), or other (please identify )?
Yes ® No ? If you answered "yes", provide the following information:
Identify the square feet and acreage of impact to each zone of the riparian buffers. If buffer
mitigation is required calculate the required amount of mitigation by applying the buffer
multipliers.
Zone* Impact
(square feet) Multiplier Required
Mitigation
1 3326 0
2 1650 0
Total 4975 0
* Zone 1 extends out 30 feet perpendicular from near bank of channel; Zone 2 extends an
additional 20 feet from the edge of Zone 1.
A total of 4975 s .f is requested for the permanent impacts for the tivo
shared driveways. As well, temporary impacts to the buffer will occur
due to the setiver installation (1654 s .f in Zone I and 1333 s .f in Zone 2).
Page I 1 of 13
If buffer mitigation is required, please discuss what type of mitigation is proposed (i.e., Donation
of Property, Conservation Easement, Riparian Buffer Restoration / Enhancement, Preservation or
Payment into the Riparian Buffer Restoration Fund). Please attach all appropriate information as
identified within 15A NCAC 2B .0242 or.0260.
XI. Stormwater (required by DWQ)
Describe impervious acreage (both existing and proposed) versus total acreage on the site.
Discuss stormwater controls proposed in order to protect surface waters and wetlands
downstream from the property.
Existing impervious: Estimated at 2% (existing single-family dwellings to be demolished along
with existing gravel drives and parking areas and sheds.. Proposed Impervious is estimated at
33% of the project site. Stormwater controls are proper energy dissipation at the terminus of the
stormwater system and diffuse flow into selected areas.
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.
The sewage disposal is via the municpal system of the City of Raleigh
XIII. Violations (required by DWQ)
Is this site in violation of DWQ Wetland Rules (15A NCAC 2H.0500) or any Buffer Rules?
Yes ? No
Is this an after-the-fact permit application?
Yes ? No
XIV. Other Circumstances (Optional):
It is the applicant's responsibility to submit the application sufficiently in advance of desired
construction dates to allow processing time for these permits. However, an applicant may
choose to list constraints associated with construction or sequencing that may impose limits on
work schedules (e.g., draw-down schedules for lakes, dates associated with Endangered and
Threatened Species, accessibility problems, or other issues outside of the applicant's control).
Page 12 of 13
Aoplicant/Agent'!
(Agent's signature is valid
ture
Date
if an authorization letter from the applicant is provided.)
Page 13 of 13
Pat's Branch Subdivision
Stormwater Detention Analysis/Design
Aug. 17`h 2005
B&F Consulting, Inc
2805 Tobermory lane
Raleigh, NC 27606
919.618.0180
B and F Consulting Preliminary Detention Analysis Pat's Branch Subdivision
2-year
Undetained area to the south of Pats Branch Drive
Area
Number of lots
Density
Post-development Rational "C"
Pre-development rational C
Increase in Rational C
Intensity
10-year increase
Area to North of Pats Branch Drive
Area
Post-development Rational C
Pre-development Rational C
4.06 acres
10 lots
2.46 units per acre
0.45
0.25 (wooded)
0.2
5.76 in/hr
4.68 cfs reduction req'd
5.26 acres
0.5 (R-4)
0.3 (some exist. Bldgs, cultivated, woods)
Gravel Road & Parking 0.165
Buildings 0.205
Lawns 2
Wooded 2.89
5.261
0.301423
Increase
Intensity
10-year increase
0.2
5.76 in/hr
6.1 cfs
0.98 0.16
0.98 0.20
0.25 0.50
0.25 0.72
1.59
reduction req'd
Total: 10.74 cfs Required decrease in peak flow
from the northern portion
B and F Consulting Preliminary Detention Analysis Pat's Branch Subdivision
10-year:
Undetained area to the south of Pats Branch Drive
Area
Number of lots
Density
Post-development Rational "C"
Pre-development rational C
Increase in Rational C
Intensity
10-year increase
Area to North of Pats Branch Drive
Area
Post-development Rational C
Pre-development Rational C
Gravel Road & Parking
Buildings
Lawns
Wooded
Increase
Intensity
10-year increase
4.06 acres
10 lots
2.46 units per acre
0.45
0.25 (wooded)
0.2
7.22 in/hr
5.86 cfs reduction req'd
5.26 acres
0.5 (R-4)
0.3 (some exist. Bldgs, cultivated, woods)
0.165 0.98 0.16
0.205 0.98 0.20
2 0.25 0.50
2.89 0.25 0.72
5.261 1.59
0.301423
0.2
7.22 in/hr
7.6 cfs reduction req'd
Total: 13.46 cfs Required decrease in peak flow
from the northern portion
B and F Consulting Preliminary Detention Analysis Pat's Branch Subdivision
HYDROGRAPH PARAMETERS
Item
Drainage Area
Pervious [acres]
Impervious [acres]
Drainage Area [acres]
Rational C
Pervious C
Impervious C
Composite Rational C
Time of Concentration, Tc
TIC [min]
Intensities, I
2-year [in/hr]
10-year [in/hr]
Peak Discharge, Qp
2-year [cfs]
10-year [cfs]
Curve Number, CN
Soil Type
Hydrologic Soil Group
Pervious CN
Impervious CN
Composite CN
S
Precipitation Amount, P for 24 hour storm
2-year [inches]
10-year [inches]
Volume of Runoff, V, from 24-h our storm
2-year [inches]
10-year [inches]
2-year [acre-feet]
10-year [acre-feet]
Time-to-Peak, Tp (for use in routing)
2-year [minutes]
10-year [minutes]
Time Interval for Routing
2-year [minutes]
10-year [minutes]
[minutes]
Proposed
3.45
1.78 (est. 33% impervious)
5.23
0.501Use Rational C = 0.5 for R-4
0.50
0.50
5.0
5.76
7.20
Q=CIA
15.06
18.83
75.01 Use CN = 75 for R-4
75.0
75.0
3.3
3.60
5.28
1.37 1.37 v = ((p-.2S)^2)/(p+.E
2.68 2.68
0.60
1.17
20.8
32.4
Tp = V/(1.39'Qp)
2
2
60 to ensure basin empties
B and F Consulting Preliminary Detention Analysis Pat's Branch Subdivision
BASIN PARAMETERS
Results
Event Pre-Develo
Peak Volume
Discharge
[cfs] [ac-ft]
10 yr
Barrel
7.636 = Dia. barrel (inches)
0.6 = Cd barrel
0 = Invert elev. barrel
Basin
28 = width @ normal pool
84 = length @ normal pool
0.0 = Initial elev. water level
Emergency Spillway
50 =Length
3.00 = Cw
100.0 = Crest elevation
Post Development Post Development
With Controls No controls
Peak Peak Volume Peak Volume
Discharge Elevation Discharge
[cfs] [ac-ft] [cfs] [ac-ft]
4.3 -target (10.74 cfs reduction)
3.9 6.85 ] 15.1
5.368 - to
B and F Consulting Preliminary Detention Analysis Pat's Branch Subdivision
ROUTIN G AND ANALYSIS -2-year storm
Outlet Hydraulics
Time Inflow Storage Stage Outflow Surf. Area Q-barrel
[min] [ds] [cubic ft] [ft] [cfs] [sq.ft]
0 0.0 0 0.0 0.0 2352 0.0
2 0.3 0 0.0 0.0 2352 0.0
4 1.3 41 0.0 0.0 2352 0.0
6 2.9 199 0.1 0.1 2352 0.1
8 4.9 533 0.2 0.3 2352 0.3
10 7.1 1,082 0.5 0.6 2352 0.6
12 9.4 1,860 0.8 1.1 2352 1.1
14 11.5 2,857 1.2 1.4 2352 1.4
16 13.2 4,059 1.7 1.8 2352 1.8
18 14.4 5,425 2.3 2.2 2352 2.2
20 15.0 6,896 2.9 2.5 2352 2.5
22 14.9 8,401 3.6 2.8 2352 2.8
24 14.2 9,862 4.2 3.0 2352 3.0
26 12.8 11,201 4.8 3.2 2352 3.2
28 11.3 12,353 5.3 3.4 2352 3.4
30 10.0 13,303 5.7 3.5 2352 3.5
32 8.8 14,077 6.0 3.6 2352 3.6
34 7.8 14,697 6.2 3.7 2352 3.7
36 6.9 15,182 6.5 3.8 2352 3.8
38 6.0 15,550 6.6 3.8 2352 3.8
40 5.3 15,815 6.7 3.9 2352 3.9
42 4.7 15,991 6.8 3.9 2352 3.9
44 4.2 16,089 6.8 3.9 2352 3.9
46 3.7 16,118 6.9 3.9 2352 3.9
48 3.2 16,089 6.8 3.9 2352 3.9
50 2.9 16,008 6.8 3.9 2352 3.9
52 2.5 15,883 6.8 3.9 2352 3.9
54 2.2 15,719 6.7 3.9 2352 3.9
56 2.0 15,523 6.6 3.8 2352 3.8
58 1.7 15,298 6.5 3.8 2352 3.8
60 1.5 15,049 6.4 3.8 2352 3.8
62 1.3 14,779 6.3 3.7 2352 3.7
64 1.2 14,493 6.2 3.7 2352 3.7
66 1.0 14,192 6.0 3.7 2352 3.7
68 0.9 13,878 5.9 3.6 2352 3.6
70 0.8 13,556 5.8 3.6 2352 3.6
72 0.7 13,225 5.6 3.5 2352 3.5
74 0.6 12,889 5.5 3.5 2352 3.5
76 0.6 12,548 5.3 3.4 2352 3.4
78 0.5 12,205 5.2 3.4 2352 3.4
6.9 3.9 < ==maximum 2-yr
B and F Consulting Preliminary Detention Analysis Pat's Branch Subdivision
ROUTIN G AND ANALYSIS - 10-y ear storm
Outlet Hydraulics
Time Inflow Storage Stage Outflow Surf. Area Q-barrel
[min] [cfs] [cubic ft] [ft] (cfs] [sq.ft]
0 0.0 0 0.0 0.0 2352 0.0
2 0.2 0 0.0 0.0 2352 0.0
4 0.7 21 0.0 0.0 2352 0.0
6 1.6 104 0.0 0.1 2352 0.1
8 2.7 283 0.1 0.2 2352 0.2
10 4.1 587 0.2 0.3 2352 0.3
12 5.7 1,037 0.4 0.6 2352 0.6
14 7.4 1,649 0.7 0.9 2352 0.9
16 9.2 2,427 1.0 1.3 2352 1.3
18 11.1 3,380 1.4 1.6 2352 1.6
20 12.8 4,513 1.9 1.9 2352 1.9
22 14.4 5,819 2.5 2.2 2352 2.2
24 15.9 7,283 3.1 2.5 2352 2.5
26 17.1 8,883 3.8 2.8 2352 2.8
28 18.0 10,592 4.5 3.1 2352 3.1
30 18.6 12,375 5.3 3.4 2352 3.4
32 18.8 14,197 6.0 3.7 2352 3.7
34 18.7 16,017 6.8 3.9 2352 3.9
36 18.3 17,795 7.6 4.1 2352 4.1
38 17.5 19,491 8.3 4.3 2352 4.3
40 16.4 21,069 9.0 4.5 2352 4.5
42 15.1 22,494 9.6 4.6 2352 4.6
44 14.0 23,752 10.1 4.8 2352 4.8
46 12.9 24,855 10.6 4.9 2352 4.9
48 11.9 25,814 11.0 5.0 2352 5.0
50 11.0 26,643 11.3 5.1 2352 5.1
52 10.1 27,351 11.6 5.1 2352 5.1
54 9.3 27,950 11.9 5.2 2352 5.2
56 8.6 28,448 12.1 5.2 2352 5.2
58 8.0 28,854 12.3 5.3 2352 5.3
60 7.3 29,175 12.4 5.3 2352 5.3
62 6.8 29,419 12.5 5.3 2352 5.3
64 6.3 29,592 12.6 5.4 2352 5.4
66 5.8 29,700 12.6 5.4 2352 5.4
68 5.3 29,750 12.6 5.4 2352 5.4
70 4.9 29,745 12.6 5.4 2352 5.4
72 4.5 29,691 12.6 5.4 2352 5.4
74 4.2 29,592 12.6 5.4 2352 5.4
76 3.9 29,452 12.5 5.3 2352 5.3
78 3.6 29,275 12.4 5.3 2352 5.3
80 3.3 29,064 12.4 5.3 2352 5.3
82 3.0 28,823 12.3 5.3 2352 5.3
84 2.8 28,553 12.1 5.3 2352 5.3
86 2.6 28,259 12.0 5.2 2352 5.2
88 2.4 27,942 11.9 5.2 2352 5.2
90 2.2 27,605 11.7 5.2 2352 5.2
92 2.0 27,249 11.6 5.1 2352 5.1
94 1.9 26,877 11.4 5.1 2352 5.1
96 1.7 26,491 11.3 5.1 2352 5.1
98 1.6 26,092 11.1 5.0 2352 5.0
100 1.5 25,681 10.9 5.0 2352 5.0
102 1.4 25,261 10.7 4.9 2352 4.9
104 1.3 24,832 10.6 4.9 2352 4.9
106 1.2 24,396 10.4 4.8 2352 4.8
108 1.1 23,953 10.2 4.8 2352 4.8
110 1.0 23,505 10.0 4.8 2352 4.8
112 0.9 23,053 9.8 4.7 2352 4.7
114 0.8 22,597 9.6 4.7 2352 4.7
116 0.8 22,139 9.4 4.6 2352 4.6
12.65 5.37 -maxim um (10-yr)
Pat's Branch Subdivison
Area:
Area of contiguous site: 9.321 acres
Impervious Area:
Total Area in RAN 4.01 acres
Impervious area in R/W (66%) 1.19 acres
(includes sidewalks)
Number of lots 23
Avg. footprint 3000 sf
Avg. patio 150 sf
Avg driveway ( 20'X 25') 500 sf
Total, per lot: 3650 sf
Impervious area of lots 1.93 acres
Total impervious area: 3.12 acres
% Impervious 33.4%
Note: this is illustrative only; the actual footprint
of the building may vary and thus the aggregate impervious area may differ
from this illustrative description. The purpose of this, though, is to illustrate
that the % impervious area is anticiapted to be more than 25%, and thus
the reason for the bottomless culverts for the driveways, or bridge spans
for those two driveways so that a 401 Water Quality Permit and 404 Permit
are not required.
08/16/2005 12:45 19194678827 B A14D F CONSULTIfIG PAGE 02/02
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DWQ Project No.
??5 x DIVISION OF WATER QUALITY - LEVEL SPREADER WORKSHEET
I. PROJECT INFORMA ION (please complete the foil' in inf rmation):-
Project Name
Contact Person: I Phone Number. (21e 61a -018Q
Level Spreader ID:
Level Spreader Length 4'B • ft. (perpendicular to flow)
Drainage Area ac. (on-site and off-site drainage to the level spreader)
Impervious Area O ac. (on-site and off-site drainage to the level spreader)
Maximum Filter StripBufferSlope % (6%forforested, leaf littler cover, 8% for thick ground cover)*
grass
Max. Discharge from a 10 Year Storm 3. ? cfs
Max. Discharge to Level Spreader 3.7 cfs
Filter Strip/Buffer Vegetation -?? (thick ground cover or grass, canopied forest with leaf litter
groundcover)
Pre-treatment or Bypass Method
II. REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. /f a
requirement has not been met; attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Applicants Initials
Level spreader is at least 13 ft. per cfs for thick ground cover or grass or 100 ft per cfs in canopied forest with leaf
litter.
J?,a Pre-Form Scour Holes are on flat slopes only
,9405 No structures are located in protected buffers*
If bypass method specified in the Draft Level Spreader Design Option Document:
Bypass method is specified (if applicable) and plan details and calculations are provided
Discharge to level spreader and subsequent filter strip is hydraulically and spatially separate from the bypass
discharge.
No structures are located in protected buffers.
Plan details for the bypass and outlets are provided.
The operation and maintenance agreement includes annual erosion and vegetation repair.
The operation and maintenance agreement signed and notarized by the responsible party is provided.
* Level spreaders in series can be used on slopes of up to 15% in forested areas with leaf littler cover or on slopes of up to 25% in areas
with thick ground cover or grass if designed according to the Draft Level Spreader Design Option Document. This potentially requires a
minor variance in protected buffer areas. In any event the second level spreader cannot be located in Zone 1 of a protected buffer area.
DWQ Project No.
FE7 4 4- DIVISION OF WATER QUALITY - LEVEL SPREADER WORKSHEET
1. PROJECT INFORMATI (please complete th following information):
Project Name
Contact Person: Phone Number.
Level Spreader ID:
Level Spreader Length 8 ft (perpendicular to flow)
Drainage Area .2 3 ac. (on-site and off-site drainage to the level spreader)
Impervious Area ac. (on-site and off-site drainage to the level spreader)
Maximum Filter Strip/Buffer Slope % (6% for forested, leaf littler cover, 8% for thick ground covert
grass
Max. Discharge from a 10 Year Storm , D cfs
Max. Discharge to Level Spreader D cfs
Filter Strip/Buffer Vegetation IFFIa ? (thick ground cover or grass, canopied forest with leaf litter
groundcover)
Pre-treatment or Bypass Method
REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Applicants Initials
Level spreader is at least 13 ft. per cfs for thick ground cover or grass or 100 ft per cfs in canopied forest with leaf
litter.
PIA Pre-Form Scour Holes are on flat slopes only
No structures are located in protected buffers'
If bypass method specified in the Draft Level Spreader Design Option Document:
Bypass method is specified (if applicable) and plan details and calculations are provided
Discharge to level spreader and subsequent filter strip is hydraulically and spatially separate from the bypass
discharge.
No structures are located in protected buffers.
Plan details for the bypass and outlets are provided.
The operation and maintenance agreement includes annual erosion and vegetation repair.
The operation and maintenance agreement signed and notarized by the responsible party is provided.
' Level spreaders in series can be used on slopes of up to 15% in forested areas with leaf littler cover or on slopes of up to 25% in areas
with thick ground cover or grass if designed according to the Draft Level Spreader Design Option Document. This potentially requires a
minor variance in protected buffer areas. In any event the second level spreader cannot be located in Zone 1 of a protected buffer area.
TopoZone - The Web's Topographic Map
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8/17/2005 12:56 PM
OF W A1F9 Michael F. Easley, Governor
o?
0 William G. Ross Jr., Secretary
r North Carolina Department of Environment and Natural Resources
p Alan W. Klimek, P.E. Director
Division of Water Quality
August 18, 2005
DWQ EXP No. 05-1542
Wake County
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
Pogo I, LLC
12620 Port Chester Court
Raleigh, NC 27614
Subject Property: Pat's Branch Subdivision
REQUEST FOR MORE INFORMATION-EXPRESS REVIEWPROGRAM
On August 17, 2005, the Division of Water Quality (DWQ) received your application dated August 16,
2005 to impact 4976 ft2 to construct the proposed Pat's Branch Subdivision project. The DWQ has
determined that your application is incomplete and/or provided inaccurate information as discussed
below. The DWQ will require additional information in order to process your application to impact
protected wetland, streams and/or buffers on the subject property. Therefore, unless we receive the
additional information requested below, we will have to move toward denial of your application as
required by ISA NCAC 2H.0506 and will place this project on hold as incomplete until we receive this
additional information. Please provide the following information so that we may continue to review your
project.
Additional Information:
1. Please provide a geotechnical report verifying the constructability of bottomless culverts at this site.
2. Please provide plan, profile and cross-sectional details for the two proposed bottomless culverts.
The design and placement of the culverts shall not be conducted in a manner that may result in
aegradation, degradation or significant changes in hydrology of the streambed and bank, adjacent to
or upstream and downstream of the structure. The openings must be provided to maintain the
natural hydrology of the system as well as prevent constriction of the floodway that may result in
aegradation, degradation or significant changes in hydrology of streams.
3. The application package neglected to include an Operation and Maintenance Agreement for the
level spreaders. Please provide an original that is signed and notarized as well as copies.
4. Please submit site plans that include the footprints of the houses, walks, patios/decks, etc.
5. The 8" sanitary sewerline indicated on the southeast portion of the project has parallel impacts to
the protected riparian buffer. These impacts will require a Nationwide 12/GC 3374.
Please respond within three (3) days of the date of this letter by sending five (5) sets of this information to
me in writing. The Express Review Program is a process that requires all parties to participate in a timely
manner. If the DWQ feels the Express Review Program is the incorrect review program for your project,
then we may have to return your application and have it reviewed through our regular 401 Water Quality
Certification Program.
401 Oversight/ Express Review 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://h2o.enr.state.nc.us/nowetlands
NotihCarolina
Alatura!!y
An Equal Opportunity/Affirmative Action Employer - 50% Recycled/10% Post Consumer Paper

Pat's Branch Subdivision
Page 2 of 2
August 18, 2005
This letter only addresses the application review and does not authorize any impacts to wetlands, waters
or protected buffers. Please be aware that any impacts requested within your application are not
authorized (at this time) by the DWQ. Please call Cynthia Van Der Wiele at [phone] if you have
any questions regarding or would like to set up a meeting to discuss this matter.
XHHI?rely,
Cyndi Kar ,
401 Oversight/Express Review Permitting Unit
CBK/cvdw
cc: Russell Briggs, B&F Consulting, 2805 Tobermory Lane, Raleigh, NC 27606
USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
File Copy
Central Files
Filename: 051542Pat'sBranch(wa ke)EXP+hol d
DWQ EXP 05-1542 Pat's Branch S/D
Subject: DWQ EXP 05-1542 Pat's Branch S/D
From: Laurie Dennison <[e-mail]>
Date: Thu, 18 Aug 2005 15:52:55 -0400
To: [e-mail]
CC: [e-mail]
Please see attached the Division of Water Quality's request for more information
related to your recent application. Please note that this message is being forwarded
to you electronically so that you may expedite preparation of your response. Please
do not send your response as a reply to this e-mail or via fax. The hard copy is
being sent via US Mail. All response correspondence is to be mailed via hard copy to
the 401 Oversight and Express Permits Unit, 2321 Crabtree Blvd., Raleigh, NC, 27604
unless otherwise noted.
051542Pat'sBranch(Wake)EXP+hold.doe Content-Type: application/msword
Content-Encoding: base64
1 of 1 8/18/2005 3:55 PNI
SENDING CONFIRMATION
DATE AUG-18-2005 THU 13:28
NAME DWQ-WETLANDS
TEL [phone]
PHONE : [phone]
PAGES : 3/3
START TIME : AUG-18 13:27
ELAPSED TIME : 00'28"
MODE : ECM
RESULTS : OK
FIRST PAGE OF RECENT DOCUMENT TRANSMITTED...
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EXPRESS PERMIT REVIEW PROGRAili
Division of Water Quality
Department of Environmental and Natural Resources
401 Oversight/Express Review Permitting Unit
Street Address: 2321 Crabtree Boulcva:d, Sut:e 250
RaJcirb, NC 27661-2260
Nialling Address: 1650 Mail Scrvi-c Center
Raleigh, NC 2761,94650
GmtactInformation: Phone 0: 919-731-0201
Fax N: 919-733-6593
Far To: Russell Briggs Fax #: [phone]
rb
Subject: Pat's Bianch S/D Date: August Ih, 2005
Number of pages ioeluding cover sheet: 23
rotes or special instructioru:
3F,.. gty,tp;ll ll c rnt in he mail If ou_hav e . q'aest crosplez a call .CSnthia_Van. Der_Wiele Q 715.3173.
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August 12, 2005
EXPRESS REVIEW ACCEPTANCE LETTER
POGO 1, LLC
12620 Port Chester Court
Raleigh, NC 27614
Fax #: [phone]
Subject Property: near US 70 and Ebenezer Church Road
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
Project Name: Pat's Branch Subdivision
Wake County
On August 11, 2005, the 401 Oversight/Express Permitting Unit of the Division of Water Quality received a
Fax/email request from Russell Briggs, B&F Consulting regarding a project known as "Pat's Branch Subdivision"
for acceptance into the Express Review Program. This letter advises you that your project will be accepted into
the Express Review Program once the following items are received:
1) The application fee of $2,000.00 [made payable to the North Carolina Division of Water Quality];
2) Five (5) complete and collated copies of the PCN application; and
3) Five (5) copies of all additional information pertaining to this project.
Thank you for your attention to this matter. Please keep in mind that the clock for this project will not start until
receipt of the completed application package and required fee are received.
If you have any questions or wish to discuss these matters further please do not hesitate to call Cyndi Karoly at
919-733-9721 or Cynthia Van Der Wiele at 715-3473.
Sincerely,
911L? Alan W. Klimek, P.E., Director
AWK/cbk/cvdty
cc: Raleigh DWQ Regional Office
File copy
Central Files
Russell Briggs, B&F Consulting, 2805 Tobermory Lane, Raleigh, NC 27606
Filename: SA2005 Express Acceptance leltersTat'S Branch Subdivision.doe
401 Oversight/ Express Review 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://h2o.enr.state:nc.tis/ncwctfands
One
N Carolina
JVattzrally
An Equal Opportunity/Affirmative Action Employer- 501,16 Recycled/106/6 Post Consumer Paper
SENDING CONFIRMATION
DATE AUG-12-2005 FRI 08:39
NAME DWQ-WETLANDS
TEL [phone]
PHONE : [phone]
PAGES : 2/2
START TIME AUG-12 08:38
ELAPSED TIME : 00'20"
MODE : ECM
RESULTS : OK
FIRST PAGE OF RECENT DOCUMENT TRANSMITTED...
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EXPRESS PER.IIT REVIEW PROGRAM
Division of Water Quality
Department of Environmental and Natural Resources
401 Oversight/Express Review Permitting Unit
Street Addir s: 2_+21 Crasrce Bm evard, Suite 25U
Raci„h, NC 27601 _:.60
1lnilingAddress: 16 0 tad Service Center
Raleigh, NC 27699-7650
Contact Information: Phonc 9: 919-73111203
Paz M: 919-7334,993
Fax To: Kusscll Brigs Fax #: 9J9-816-9361
Subject: Pat's Branch S/D Date: August 12, 2005
Number otpages including cover sheet:
Notes or special instructions:
The or ?j naLF711 he -it it rhr m._I. If vc'.Lhq,'e questin'1s Plewc call C3n'hin Va l Der Wick rt 715 3.473,
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INITIAL INTEREST IN PARTICIPATION IN THE EXPRESS REVIEW PROGRAM
WITHIN THE 401 OVERSITE/EXPRESS PERMITTING UNIT
September 1, 2004
Version 3 Q 5 4 2'
Applicant Name: POGO 1 LLC //
Applicant Address: 12620 Port Chester Court Raleigh NC X76)14
Applicant's phone number: 919-291-5517
Pax number: 919-816-9361 -
Applicanfs email address: prowll©[e-mail]
Consultant Name (if applicable):
B&F Consultin Inc.
Consultant address (if applicable): 2805 TobermoryLane, Raleigh NC 27606
Consultant's phone number. 919-618-0180
Fax n 919-816-9361
Consul nt's email address: rbriggsC?nc rr com
Type of action requested under the Express Review Program (check gall that apply):
? 401 Water Quality Certification ? Stream Cidgin Determination
El Isolated Wetland Permit
Riparian Buffer Approval
? Stormwater Management Plan
# of Determinations Requested
? Intermittent/Perennial Determination
# of Determinations Requested
? Mitigation Plan
? Strum ? Wetland ? Buffers (check all appropriate)
Name of Project Pat's Branch Subdivision County: Wake
Total project acreage: 9.32 (acres) Total built out impervious area., Est. 2.8 (acres)
Nearest named stream (from USGS topo map): Turkey Creek
Please provide a brief description of this project (attach site plan if available):
23 single family lots
AUG-11-2005 THU 14:26 TEL:[phone] NAME:DWQ-WETLANDS P
0
Please attach a map of site location using USGS 1:24,000 map and county soil survey.
Location of project site - please include reference to the county, nearest name town and highway number:
Wake County NC Near US 70 and Ebeneezer Church Road intersection.
Proposed impacts:
Acres of 404 wetlands:
Acres of isolated wetlands:
Linear feet of streams:
Linear feet of isolated streams'
Square feet of protected stream buffers: Est 3500 91. in 2 shared driveways and required sewer
crossing (by City of Raleigh) to serve adjoining property owners The shared driveways will be
bottomless culverts spanning the stream.
Has consultant or applicant attended any DWQ-sponsored training sessions in the past two years? If so, please list
which ones.
Has any DWQ staff visited the site? , yes, if yes, please provide DWQ staff name, Debbie Edwards and
date of visit: July 05
Which other environmental permits from other agencies will be needed for this project? Please list the permits and
issuing agencies below:
Does this project require approval under the State Environmental Policy Act or National Environmental Policy Act?
no
is this project an After-the-fact application or has this project received a previous Notice of violation from DWQ?
no
Does this project require approval of a Variance from the NC Environmental Management Commission? no
Are you aware of any local controversy conceming this project? If so, please describe the controversy and any
measures that have been taken with respect to public involvement.
Thi9 form must be submitted via email (c/o 401expre212ncm2il r©tl foxed (919-733-6893) or hand-dolivered to the Parkview Building, 23211
CmUrae Blvd., Raleigh, NC 27604. Applicants who are selected to participate In the Express Reviaw Program will be notified via email or fax
within 2 days. Successful applicants will then be instructed regarding detailed procedures for full application (Please Note: Sut:mitttls of the review
packages on Friday after 12:00 pm will be stamped as received on the next business day).
Please contact Debbie Edwards at 919.733.9502 if you have any questions regarding this form.
2
AUu-11-2005 THU 14:26 TEL:[phone] NAME:DWQ-WETLANDS P. 2
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AUG-11-2005 THU 14:27 TEL:[phone] NAME:DWQ-WETLANDS P. 3
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AUG-11-2005 THU 14:28 TEL:[phone] NAME:DWQ-WETLANDS P. 4
B & F Consulting
Civil Engineering Services
2805 Tobermory Lane Raleigh, NC 27606
Phone[phone] Fax [phone]
Check for $1000.00 for 25'
8/30/2005
To: Cynthia Van Der Wiele From: Russell Briggs
DWQ
Enclosed Please Find:
Qty. Date Description
1
Transmitted Via
F-1 Mail
For Your
?Approval
Letter of Transmittal
Client
Project
Date
(NW 12)
parallel impact
RE DWQ EXP N 05-1542

? Overnight ® Courier ? Pick Up ? Other
? Review & Comment ? Use ? Other
Remarks Appeal exhausted, response was "NO" to waiving the 1 k fee for 25' impact
to tie to an already-existing manhole.
Prr"'[29WIRP
AUG 3 0 2005
DENR - WATER QUALITY
Copy To: WETLANDS ANDSTORIAWATERBRANCH
?0F W ATFRQ Tlichael F. Easley, Governor
?0 G William G. Ross Jr., Secretary
North Carolina Department of Environment and Natural Resources
-? Alan W. Klimek, P.E. Director
Division of Water Quality
August 24, 2005
DWQ EXP No. 05-1542
Wake County
CERTIFIED MAIL: RETURN RECEIPT REQUESTED
Pogo I, LLC
12620 Port Chester Court
Raleigh, NC 27614
Subject Property: Pat's Branch Subdivision
REQUEST FOR MORE INFORIVIATION-EXPRESS REVIEW PROGRAM
On August 17, 2005, the Division of Water Quality (DWQ) received your application and associated
application fee for Riparian Area Buffer Impact Authorization in order to construct the proposed Pat's
Branch Subdivision project.
The 8" sanitary sewerline indicated on the southeast portion of the project has parallel impacts
to the protected riparian buffer. These impacts will require a Nationwide 12/GC 3374, which
was noted in the August 18, 2005 correspondence. The application fee was based on the type of
action you requested on the Initial Interest form. However, your project will require written
concurrence for a NW 12 / GC 3374 and will require an additional fee of $1000. Please refer to the
Express Review Fee Schedule found at:
http://112o.enr.state.nc.us/ncwetlands/documents/express fees.pdf.
In order for DWQ to begin review and process your request, you must send an additional check made
payable to the N.C. Division of Water Quality. The project has been placed on hold pending receipt
of payment. DWQ will not review the application until receipt of the additional funds. At that time,
the 30-day Express Review clock will restart. This letter only addresses the application review and
does not authorize any impacts to wetlands, waters or protected buffers. Please be aware that any
impacts requested within your application are not authorized (at this time) by the DWQ. Please call
Cynthia Van Der Wiele or Cyndi Karoly if you have questions regarding this matter at 919.733.1786.
Sincerely,
t? E-CL??
91 Cyndi Karoly,
401 Oversight/Express Review Permitting Unit
CBK/cvdtiv
cc: Russell Briggs, B&F Consulting, 2805 Tobermory Lane, Raleigh, NC 27606
USACE Raleigh Regulatory Field Office
DWQ Raleigh Regional Office
File Copy
Central Files
Filename: 051542Pa t'sBranch(wake)EXP+hold2
401 Oversight/ Express Review Permitting Unit l at! rally
1650 Mail Service Center, Raleigh, North Carolina 27699-1650
2321 Crabtree Boulevard, Suite 250, Raleigh, North Carolina 27604
Phone: [phone]/ FAX [phone]/ Internet: httr)://h2o.enr.state.nc.us/ncwetlands
An Equal Opportunity/Affirmative Action Employer-50% Recycled/10% Post Consumer Paper
JQ # EXP 05-1542 Pat's Branch S/D
Subject: DWQ # EXP 05-1542 Pat's Branch S/D
From: Laurie Dennison <[e-mail]>
Date: Thu, 25 Aug 2005 07:21:23 -0400
To: [e-mail]
CC: [e-mail]
Please see attached the Division of Water Quality's request for more information
related to your recent application. Please note that this message is being forwarded
to you electronically so that you may expedite preparation of your response. Please
do not send your response as a reply to this e-mail or via fax. The hard copy is
being sent via US Mail. All response correspondence is to be mailed via hard copy to
the 401 Oversight and Express Permits Unit, 2321 Crabtree Blvd., Raleigh, NC, 27604
unless otherwise noted.
051542Pat'sBranch(Wake)EXP+bold2.doe .... Content-Type: application/msword
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1 of 1 8/25/2005 11:08 AM
?0F W ATFR Q Michael F. Easley, Governor
William G. Ross Jr., Secretary
r North Carolina Department of Environment and Natural Resources
p - -C Alan W. Klimek, P.E. Director
J. Division of Water Quality
EXPRESS PERMIT REVIEW PROGRAM
Division of Water Quality
Department of Environmental and Natural Resources
401 Oversight/Express Review Permitting Unit
Street Address: 2321 Crabtree Boulevard, Suite 250
Raleigh, NC 27604-2260
Mailing Address: 1650 Mail Service Center
Raleigh, NC 27699-1650
Contact Information: Phone #:
Fax #:
919-733-0203
919-733-6893
Fax To: Russell Briggs
;I? Crl
//1) i!r?II
Subject: Pat's Branch S/D
Number of pages including cover sheet: z _'
Notes or special instructions:
Fax #: [phone]
Date: =-* -
The original will be sent in the mail. If you have questions please call Cynthia Van Der Wiele @ 715.3473.
401 Oversight/ Express Review 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://h2o.enr.state.ne.us/nc«ctlands
North Carolina
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