20181725 Ver 1_401 Application_20181218

December 11th, 2018
Ms. Stephanie Goss
NCDEQ; Department of Water Resources
512 N. Salisbury St, Archdale Bldg — 91h Floor
Raleigh, NC 27604
[phone]
434 Fayetteville Street
Suite 1500
Raleigh. NC 27601
wMain: 919-836-4040
.upT PA' QPg',Id co n/usa
world.com/usa
20181725
RE: PCN Application Package for 0.094 acres (4,079 square feet) of Buffer Impacts and 194 linear feet of
Stream Impacts for Stream Bank Stabilization along an UT to Mine Creek in Raleigh, NC
Dear Ms. Goss;
The project consists of bank stabilization along a disturbed segment of an Unnamed Tributary to Mine Creek (part
of the Neuse River Basin). A short section of the creek is currently degraded and the western stream bank has
become severely unstable. Erosion has extended toward two existing residences. The western bank has
undercut several feet of landscaped yard and, if left to continue, may compromise the structural integrity of the
residences. Approximately 115 linear feet of the stream has been designated for bank stabilization.
The proposed project will result in approximately 86 linear feet of permanent stream impacts (194 linear feet of
total stream impacts) and 1,416 square feet of permanent buffer impacts (4,079 square feet of total buffer
impacts). A majority of the impacts are temporary. After construction, the site will be returned to pre -construction
conditions and will be replanted with appropriate vegetation.
It is WSP's pleasure to submit this PCN application package on behalf of Wayne Miles and the City of Raleigh.
Please feel free to call at [phone] or email at [e-mail] if you have any questions or
comments.
Sincerely,
Jon Becker, EI
Note: Full-size construction plans measure 24x36 inches, as such 11 x1 7 copies provided are not truly "half-size".

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Office Use Only:
Corps action ID no.
DWQ project no.
Form Version 1.4 January 2009
A.
1.
Pre -Construction Notification (PCN) Form
Applicant Information
Processing
1 a.
Type(s) of approval sought from the Corps:
❑X Section 404 Permit ❑ Section 10 Permit
1b.
Specify Nationwide Permit (NWP) number: 13 or General Permit (GP) number:
1 c.
Has the NWP or GP number been verified by the Corps?X❑
Yes (email) []No
1 d.
Type(s) of approval sought from the DWQ (check all that apply):
X❑ 401 Water Quality Certification — Regular ❑ Non -404 Jurisdictional General Permit
❑ 401 Water Quality Certification — Express X❑ Riparian Buffer Authorization
1e.
Is this notification solely for the record
because written approval is not required?
For the record only for DWQ
401 Certification:
❑ Yes X❑ No
For the record only for Corps Permit:
❑ Yes X❑ No
1f.
Is payment into a mitigation bank or in -lieu fee program proposed for
mitigation of impacts? If so, attach the acceptance letter from mitigation bank
or in -lieu fee program.
❑ Yes ❑X No
1g.
Is the project located in any of NC's twenty coastal counties. If yes, answer 1 h
below.
❑ Yes X❑ No
1 h.
Is the project located within a NC DCM Area of Environmental Concern (AEC)?
❑ Yes ❑X No
2.
Project Information
2a.
Name of project: Petworth Court Stream Bank Stabilization
2b.
County: Wake
2c.
Nearest municipality / town:
Raleigh
2d.
Subdivision name:
Stonehenge$
2e.
NCDOT only, T.I.P. or state project no:
N/A
3.
Owner Information
3a.
Name(s) on Recorded Deed: See PCN Form Supplemental Attachment
3b.
Deed Book and Page No. See PCN Form Supplemental Attachment
3c.
Responsible Party (for LLC if See PCN Form Supplemental Attachment
applicable):
3d.
Street address:
See PCN Form Supplemental Attachment
3e.
City, state, zip: See PCN Form Supplemental Attachment
3f.
Telephone no.: 12000 Petworth Ct: [phone] 2001 Petworth Ct: [phone]
3g.
Fax no.: N/A
3h.
Email address: 1 2000 Petworth Ct: [e-mail] 2001 Petworth Ct: [e-mail]
Page 1 of 10
PCN Form — Version 1.4 January 2009

4.
Applicant Information (if different from owner)
4a.
Applicant is:
❑ AgentX❑ Other, specify: City of Raleigh Engineering Services
4b.
Name:
Wayne Miles, PE
4c.
Business name
(if applicable):
City of Raleigh Engineering Services Stormwater Management
4d. Street address:
127 West Hargett Street, 8th Floor
4e.
City, state, zip:
Raleigh, NC, 27601
4f.
Telephone no.:
[phone]
4g.
Fax no.:
N/A
4h.
Email address:
[e-mail]
5.
Agent/Consultant Information (if applicable)
5a.
Name:
Jon Becker
5b.
Business name
(if applicable):
WSP
5c.
Street address:
434 Fayetteville Street
5d.
City, state, zip:
Raleigh, NC, 27601
5e.
Telephone no.:
[phone]
5f.
Fax no.:
N/A
5g.
Email address:
[e-mail]
Page 2 of 10

B.
Project Information and Prior Project History
1.
Property Identification
1a.
Property identification no. (tax PIN or parcel ID):
0797794326 & 0797794137
1 b.
Site coordinates (in decimal degrees):
Latitude: 35.891 N
Longitude: 78.671 W
1 C.
Pro a Size:
p
0.93 & 0.54 acres Total property acreage: 1.47 acres
Pro ect limits: 0.19 acres
2.
Surface Waters
2a.
Name of nearest body of water to proposed project:
Mine Creek
2b.
Water Quality Classification of nearest receiving water:
C; NSW
2c.
River basin:
Neuse (03020201)
3.
Project Description
3a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this
application:
See PCN Form Supplemental Attachment
3b.
List the total estimated acreage of all existing wetlands on the property: 0.02 acres delineated by WSP
3c.
List the total estimated linear feet of all existing streams (intermittent and perennial) on the property: 515 LF Surveyed
3d. Explain the purpose of the proposed project:
See PCN Form Supplemental Attachment
3e. Describe the overall project in detail, including the type of equipment to be used:
See PCN Form Supplemental Attachment
4.
Jurisdictional Determinations
4a.
Have jurisdictional wetland or stream determinations by the
Corps or State been requested or obtained for this property /
project (includingall prior phases)in the past?
❑ Yes ❑X No ❑ Unknown
Comments:
4b.
If the Corps made the jurisdictional determination, what type
of determination was made?
❑ Preliminary ❑ Final
4c.
If yes, who delineated the jurisdictional areas?
Name (if known): N/A
Agency/Consultant Company:
Other: N/A
4d.
N/A
If yes, list the dates of the Corps jurisdictional determinations or State determinations and attach documentation.
5.
Project History
5a.
Have permits or certifications been requested or obtained for
this project (including all prior phases) in the past?
❑ Yes ❑X No ❑ Unknown
5b.
N/A
If yes, explain in detail according to "help file" instructions.
6.
Future Project Plans
6a.
Is this a phased project?
❑ Yes X❑ No
6b.
N/A
If yes, explain.
Page 3 of 10
PCN Form — Version 1.4 January 2009

C. Proposed Impacts Inventory
1. Impacts Summary
1a. Which sections were completed below for your project (check all that apply):
❑ Wetlands ❑X Streams — tributaries Q Buffers ❑ Open Waters ❑ Pond Construction
2. Wetland Impacts
If there are wetland impacts proposed on the site, then complete this question for each wetland area impacted.
2a.
2b.
2c.
2d.
2e.
2f.
Wetland impact
Type of impact
Type of wetland
Forested
Type of jurisdiction
Area of
number
Corps (404,10) or
impact
Permanent (P) or
DWQ (401, other)
(acres)
Temporary T
W1
Choose one
Choose one
Yes/No
-
W2
Choose one
Choose one
Yes/No
-
W3
Choose one
Choose one
Yes/No
-
W4
Choose one
Choose one
Yes/No
-
W5
Choose one
Choose one
Yes/No
W6
Choose one
Choose one
Yes/No
2g. Total Wetland Impacts:
2h. Comments:
Delineated wetlands will not be impacted by this project. The one delineated wetland is outside the proposed limits of disturbance.
3. Stream Impacts
If there are perennial or intermittent stream impacts (including temporary impacts) proposed on the site, then complete this
question for all stream sites impacted.
3a.
3b.
3c.
3d.
3e.
3f.
3g.
Stream impact
Type of impact
Stream name
Perennial (PER) or
Type of
Average
Impact
number
intermittent (INT)?
jurisdiction
stream
length
Permanent (P) or
width
(linear
Temporary (T)
(feet)
feet)
S1 T
Construction Access
UT to Mine Creek
PER
Corps
19
27
S2 P
Bank Stabilization
UT to Mine Creek
PER
Corps
17
86
S3 T
Construction Access
UT to Mine Creek
PER
Corps
18
21
S4 T
Construction Access
UT to Mine Creek
PER
Corps
11
6a
S5
Choose one
S6
Choose one
3h. Total stream and tributary impacts
194
3i. Comments:
Along two sections of the stream, eroded banks have progressed to undercut landscaping resulting in property loss, and threaten structural foundations. The bank
will be rebuilt back toward its original/stable location. The average stream widths are calculated based on the listed length of impact (linear feet) and the measured
area of impact (square feet). The extent of bank erosion is approximately 4-8' measured vertically and 8-10' measured horizontally.
Page 4 of 10
PCN Form — Version 1.4 January 2009

4. Open Water Impacts
If there are proposed impacts to lakes, ponds, estuaries, tributaries, sounds, the Atlantic Ocean, or any other open water of
the U.S. then individually list all open water impacts below.
4a.
Open water
impact number
Permanent (P) or
Temporary T
4b.
Name of waterbody
(if applicable)
4c.
Type of impact
4d.
Waterbody
type
4e.
Area of impact (acres)
01
Choose one
Choose
O2
Choose one
Choose
03
Choose one
Choose
04
Choose one
Choose
4f. Total open water impacts
4g. Comments:
5. Pond or Lake Construction
If pond or lake construction proposed, the complete the chart below.
5a.
Pond ID number
5b.
Proposed use or
purpose of pond
5c.
Wetland Impacts (acres)
5d.
Stream Impacts (feet)
5e.
Upland
(acres)
Flooded
Filled
Excavated
Flooded
Filled
Excavated
P1
Choose one
P2
Choose one
5f. Total:
5g. Comments: N/A
5h. Is a dam high hazard permit required?
❑ Yes No If yes, permit ID no:
L5i. Expected pond surface area (acres):
N/A
5j. Size of pond watershed (acres):
N/A
5k. Method of construction:
N/A
6. Buffer Impacts (for DWQ)
If project will impact a protected riparian buffer, then complete the chart below. If yes, then individually list all buffer impacts
below. If any impacts require mitigation. then vou MUST fill out Section D of this form.
6a. Project is in which protected basin?
X❑ Neuse ❑ Tar -Pamlico ❑ Catawba ❑ Randleman ❑ Other:
6b.
Buffer Impact
number —
Permanent (P) or
Temporary T
6c.
Reason for impact
6d.
Stream name
6e.
Buffer
mitigation
required?
6f.
Zone 1
impact
(square
feet)
6g.
Zone 2
impact
(square
feet
B1 T
Construction/Access
UT to Mine Creek
No
185
0
B2 P
Bank Grading/Stabilization
UT to Mine Creek
No
188
0
B3 T
Construction/Access
UT to Mine Creek
No
450
0
B4 P
Bank Grading/Stabilization
UT to Mine Creek
No
728
0
B5 T
Construction/Access
UT to Mine Creek
No
1,488
540
B6 P
Bank Grading/Stabilization
UT to Mine Creek
No
500
0
6h. Total Buffer Impacts:
3,539
540
6i. Comments: Temporary buffer impacts will be returned to their pre -construction conditions. Permanent buffer impacts consist of bank grading and
boulder installation. All vegetated areas will be replanted with a mix of woody and herbaceous species.
Page 5 of 10

D.
Impact Justification and Mitigation
1.
Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
See PCN Form Supplemental Attachment
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
See PCN Form Supplemental Attachment
2.
Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a.
Does the project require Compensatory Mitigation for
impacts to Waters of the U.S. or Waters of the State?
❑ YesX❑ No
2b.
If yes, mitigation is required by (check all that apply):
❑ DWQ ❑ Corps
2c.
If yes, which mitigation option will be used for this
project?
❑ Mitigation bank
❑ Payment to in -lieu fee program
❑ Permittee Responsible Mitigation
3.
Complete if Using a Mitigation Bank
3a.
Name of Mitigation Bank: N/A
3b. Credits Purchased (attach receipt and letter)
Type: Choose one
Type: Choose one
Type: Choose one
Quantity:
Quantity:
Quantity:
N/A
3c. Comments:
4.
Complete if Making a Payment to In -lieu Fee Program
4a. Approval letter from in -lieu fee program is attached.
❑ Yes
4b.
Stream mitigation requested:
N/A linear feet
4c.
If using stream mitigation, stream temperature:
Choose one
4d.
Buffer mitigation requested (DWQ only):
N/A square feet
4e.
Riparian wetland mitigation requested:
N/A acres
4f.
Non -riparian wetland mitigation requested:
N/A acres
4g.
Coastal (tidal) wetland mitigation requested:
N/A acres
4h.
Comments: N/A
5.
Complete if Using a Permittee Responsible Mitigation Plan
5a.
N/A
If using a permittee responsible mitigation plan, provide a description of the proposed mitigation plan.
Page 6 of 10
PCN Form — Version 1.4 January 2009

6. Buffer Mitigation (State Regulated Riparian Buffer Rules) — required by DWQ
6a. Will the project result in an impact within a protected riparian buffer that requires
YesX❑ No
buffer mitigation?
6b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation. Calculate the
amount of mitigation required.
6c.
6d.
6e.
Zone
Reason for impact
Total impact
Multiplier
Required mitigation
(square feet)
(square feet)
Zone 1
N/A
N/A
3 (2 for Catawba)
N/A
Zone 2
N/A
N/A
1.5
N/A
6f. Total buffer mitigation required:
N/A
6g. If buffer mitigation is required, discuss what type of mitigation is proposed (e.g., payment to private mitigation bank,
permittee responsible riparian buffer restoration, payment into an approved in -lieu fee fund).
N/A
N/A
6h. Comments:
Page 7 of 10

E.
Stormwater Management and Diffuse Flow Plan (required by DWQ)
1.
Diffuse Flow Plan
1a.
Does the project include or is it adjacent to protected riparian buffers identified
❑X Yes ❑ No
within one of the NC Riparian Buffer Protection Rules?
1 b.
If yes, then is a diffuse flow plan included? If no, explain why.
The project will not result in new/additional point sources, and therefore a diffuse flow plan is not
❑ Yes ❑X No
applicable.
2.
Stormwater Management Plan
2a.
What is the overall percent imperviousness of this project?
13 % (existing impervious)
2b.
Does this project require a Stormwater Management Plan?
❑ YesX❑ No
2c.
If this project DOES NOT require a Stormwater Management Plan, explain why:
The proposed project will not result in the creation of new impervious area or increased stormwater discharge. Existing impervious area will only be
traversed for access, and disturbed and repaved as required for a pipe replacement. As such, a stormwater management plan is not applicable.
2d.
If this project DOES require a Stormwater Management Plan, then provide a brief, narrative
description of the plan:
N/A
2e.
Who will be responsible for the review of the Stormwater Management Plan?
N/A
3.
Certified Local Government Stormwater Review
3a.
In which localgovernment's jurisdiction is thisproject?
Raleigh, NC
❑ Phase II
❑X NSW
3b.
Which of the following locally -implemented stormwater management programs
❑ USMP
apply (check all that apply):
❑ Water Supply Watershed
❑ Other:
3c.
Has the approved Stormwater Management Plan with proof of approval been
❑ Yes 0 No / NA
attached?
4. DWQ Stormwater Program Review
❑Coastal counties
❑ HQW
4a.
Which of the following state -implemented stormwater management programs apply
❑ORW
(check all that apply):
El Session Law 2006-246
❑Other:
4b.
Has the approved Stormwater Management Plan with proof of approval been
❑ Yes Q No / NA
attached?
5. DWQ 401 Unit Stormwater Review
5a.
Does the Stormwater Management Plan meet the appropriate requirements?
❑ Yes ❑ No
5b.
Have all of the 401 Unit submittal requirements been met?
❑ Yes ❑ No
Page 8 of 10
PCN Form — Version 1.4 January 2009

F.
Supplementary Information
1.
Environmental Documentation (DWQ Requirement)
1a.
Does the project involve an expenditure of public (federal/state/local) funds or the
❑X Yes
❑ No
use of public (federal/state) land?
1 b.
If you answered "yes" to the above, does the project require preparation of an
environmental document pursuant to the requirements of the National or State
❑ YesX❑
No
(North Carolina) Environmental Policy Act (NEPA/SEPA)?
1c.
If you answered "yes" to the above, has the document review been finalized by the
State Clearing House? (If so, attach a copy of the NEPA or SEPA final approval
El Yes
❑ No
letter.) N/A
Comments:
2.
Violations (DWQ Requirement)
2a.
Is the site in violation of DWQ Wetland Rules (15A NCAC 2H .0500), Isolated
Wetland Rules (15A NCAC 2H .1300), DWQ Surface Water or Wetland Standards,
❑ YesX❑
No
or Riparian Buffer Rules (15A NCAC 2B .0200)?
2b.
Is this an after -the -fact permit application?
❑ Yes
X❑ No
2c.
If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
N/A
3.
Cumulative Impacts (DWQ Requirement)
3a.
Will this project (based on past and reasonably anticipated future impacts) result in
❑ Yes
❑X No
additional development, which could impact nearby downstream water quality?
3b.
If you answered "yes" to the above, submit a qualitative or quantitative cumulative impact analysis in accordance with the
most recent DWQ policy. If you answered "no," provide a short narrative description.
The intent of the project is to stabilize an existing stream bank. The immediately adjacent area is built -out, and the project will not
have a direct effect
on nearby development. The completed stabilization will not provide incentive for any new development.
4.
Sewage Disposal (DWQ Requirement)
4a. Clearly detail the ultimate treatment methods and disposition (non -discharge or discharge) of wastewater generated from
the proposed project, or available capacity of the subject facility.
No sewer discharge will be affected/adjusted by the proposed project.
Page 9 of 10
PCN Form — Version 1.4 January 2009

5. Endangered Species and Designated Critical Habitat (Corps Requirement)
Yes ❑ No
5a. Will this project occur in or near an area with federally protected species or
habitat?
❑ YesX❑ No
5b. Have you checked with the USFWS concerning Endangered Species Act
impacts?
5c. If yes, indicate the USFWS Field Office you have contacted.
5d. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical
Habitat?
See PCN Form Supplemental Attachment
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as essential fish habitat? j ❑ YesX❑ No
6b. What data sources did you use to determine whether your site would impact Essential Fish Habitat?
NOAA Essential Fish Mapper: http://www.habitat.noaa gov/protection/efh/efhmapper/
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal
governments have designated as having historic or cultural preservation
❑ Yes X❑ No
status (e.g., National Historic Trust designation or properties significant in
North Carolina history and archaeology)?
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?
Per the SHPO on-line mapper (http://gis ncdcr gov/hpoweb/) no sites listed on the National Register of Historic Places or eligible for listing are located
in the project area.
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA -designated 100 -year floodplain?
❑ Yes Q No
8b. If yes, explain how project meets FEMA requirements:
N/A
8c. What source(s) did you use to make the floodplain determination?
NC FRIS; Panel #0797
Wayne Miles
l T 1
Applicant/Agent's Printed Name
Dat
Applicant/ g nt's Sig ature
(Agent's signature i v id only if an authorization
letter from the licant is pro ed.
Page 10 of 10

PCN FORM SUPPLEMENTAL ATTACHMENT
PETWORTH COURT STREAM BANK STABILIZATION
Wayne Miles, PE
City of Raleigh Engineering Services
127 West Hargett Street, 8"' Floor
Raleigh, NC 27601
[phone]
Wayne. Miles(o)raleighnc. ciov
A; 3A -3D& B; IA) PROPERTY INFORMATION
Street Address Owner
Petworth Ct. 2000 Creech, Terry P
Creech, Wanda
Petworth Ct. 2001 Couch, Steven E
Couch, Elizabeth A
DB PG (DB) BM PG (BM) PIN
3641 514 1985 221 0797794326
3600 907 1985 221 0797794137
B; 3A) EXISTING CONDITIONS
The existing stream channel lies to the rear of the residences at 2000 and 2001 as seen below.
The residential structures do not encroach upon the limits of flood prone soils, as identified by
Wake County Waps®.
Figure 1: 2000 & 2001 Petworth Court Site Map (Wake County iMaps°)
The relevant properties are bordered by a variable (>30 ft) sanitary sewer easement to the rear,
are divided by a 30 ft drainage and sanitary sewer easement, and contain a 10 ft drainage
easement adjacent to the stream.

PETWORTH COURT STREAM BANK STABILIZATION NNSI)
PCN SUPPLEMENTAL ATTACHMENT
12/06/2018
The contributing drainage area to the relevant stream section covers 0.4 square miles and is
almost completely developed. The online USGS StreamStats application reports 96%
developed urban land, of which, 18% is impervious. The developed urban land is almost
entirely residential, with minimal contributions from commercial/industrial use.
Mine Creek is classified by NCDEQ as a class C, nutrient sensitive stream within the Neuse river
basin. As such, Mine Creek and its jurisdictional tributaries, are subject to the Neuse River
Buffer Rules.
The degrading stream banks which require stabilization are located adjacent to the rear
landscaping, and are threatening the integrity of the resident's yards, decks, and home
foundation. The banks have approached to within 15 feet of the residential structures and
display evidence of active and rapid erosion.
Between degraded stream bank segments, red maple, loblolly pine, and yellow poplar trees
provide some level of stability. However, continued erosion and undercutting could result in
the death of large trees, which would coincide with significant/rapid erosion. The opposite
(eastern) stream bank has an overstory comprised of yellow poplar, and loblolly pine, among
other species. Beneath the mature canopy, Japanese stiltgrass is abundant. A wetland
delineation performed by WSP on August 30th, 2018, identified only one small wetland area.
The delineated wetland is linear, and corresponds with a small, depressed channel. The
wetland is displayed on the survey map in Appendix B (WF WA -1 to WA -15).
Photos of the existing site conditions are included within Appendix C.
B, 3D) PROJECT PURPOSE
The proposed project will be focused on two eroded segments along the western bank. One
segment of the opposite, eastern bank will be regraded at a lower elevation and flatter slope to
provide flood relief and minimize shear stress within the defined channel. The stream bed will
be modified only as needed for construction access, and to provide a foundation for and stable
transition to the proposed bank modifications.
Without incorporation of the proposed improvements described herein, continued erosion
would pose a safety risk to the residents. The tops of actively eroding banks are visibly unstable
and could fail if a live load is applied. The banks are steep and tall enough that falling into the
channel could cause severe injury. The improvements will be designed to reduce shear stress
along the stream banks and provide a stable channel section. As a secondary goal, the
methods used for bank stabilization would provide improvements to habitat, water quality,
and vegetative health and diversity.
B, 3E) PROJECT AND EQUIPMENT
The design involves re -grading the channel banks, in conjunction with the installation of
imbricated rock bank protection, toe protection, and soil lifts. Stabilization with rock will be
confined to two separate sections of the stream. The total length of impacts (temporary and
permanent) will cover 194 LF.
The channel bed will be impacted to the minimum extent practicable, and restored to the pre -
construction conditions where possible. An existing pedestrian bridge, and other landscaping
items, will need to be removed from their current location. These items will be set aside for the
homeowners to reset or dispose of as they see fit.
Temporary stream flow impacts will be unavoidable, as a pump -around system will need to be
installed so that construction activity can occur in dry conditions. Construction access will
Page 2 of 4

PETWORTH COURT STREAM BANK STABILIZATION
PCN SUPPLEMENTAL ATTACHMENT
12/06/2018
occur primarily along one residential driveway and an existing drainage and sanitary sewer
easement. Access will require the removal of several trees. Once access to the stream bed is
no longer required, disturbed areas will be replanted with appropriate, native vegetation.
Due to the pattern of the existing stream alignment, and the height of the existing bank,
imbricated rock walls will be utilized along the banks ranging from 2-2.5 feet in height. The
rock is required based on the vertical and horizontal constraints of the existing site. There is
not sufficient room to construct a stable slope of natural soil. Even soil lifts placed at a slope of
1.5:1 would result in additional loss of yard/landscaping and would move the top of bank closer
to the existing residential structures.
Toe protection and soil lifts will be used in conjunction with the walls to minimize the amount
of rock required and provide stable bank geometry. All rock will be designed and installed to
withstand the shear stress within the channel, and to minimize the potential for unintended
erosion.
D; IA) PROJECT; MINIMIZE DESIGNED IMPACTS
Environmental impacts will be limited to bank stabilization. Total fill placement has been
estimate at approximately 45 CY, spread across >100 LF of bank stabilized. Fill material will be
utilized behind rock walls and above rock toe. Fill placed in the active stream bed, will
primarily be limited to temporary stone/sandbags required for the pump -around. Minor
modifications may be required to the toe of the bank slopes, as the banks are rebuilt. The
channel centerline and thalweg locations will not be significantly modified, except as
influenced by the installation of the imbricated rock wall. The most significant impacts to the
stream will be tree removal and bank grading/stabilization.
Permanent jurisdictional impacts will be limited to 86 LF. Temporary impacts to the stream
bed (108 LF) and stream flow will be only as needed for construction, and minimized where
feasible. Temporary stream buffer impacts will also be unavoidable, but will be minimized,
and restored to a vegetated state as soon as possible after completion of construction.
D; 1B) PROJECT, • MINIMIZE CONSTRUCTION IMPACTS
Methods of access and construction will be selected to minimize impacts to in situ soil
conditions and to existing trees. Where feasible, existing vegetation will be maintained.
Lightweight equipment will be used, to prevent excessive soil compaction, and harm to
existing root mass. Temporary timber matting will be utilized to protect tree roots, within the
critical root zone. The route selected for construction access minimizes the number of trees
that will need to be removed, as well as completely avoiding the delineated wetland area.
F, 5D) DATA SOURCES; ENDANGERED SPECIES AND/OR CRITICAL HABITAT
The U.S. Fish and Wildlife Service Information for Planning and Conservation
(https://ecos.fws.goy i act) identifies the following federal threatened and endangered species
for Wake County:
Threatened
o NA
Proposed Threatened

PETWORTH COURT STREAM BANK STABILIZATION
PCN SUPPLEMENTAL ATTACHMENT
12/06/2018
o Atlantic Pigtoe (Fusconaia masoni): Existing water quality is likely not sufficient
to provide suitable habitat for the Atlantic Pigtoe. Additionally, this project will
not result in permanent loss of habitat.
• Endangered
o Red -Cockaded Woodpecker (Picoides borealis): No suitable habitat is present in
the project area. The project will have no effect on the Red -Cockaded
Woodpecker.
o Dwarf Wedgemussel (Alasmidonta heterodon): This project will not result in
permanent loss of habitat.
o Michaux's Sumac (Rhus michauxii): No suitable habitat is present in the project
area. The project will have no effect on Michaux's Sumac.
Page 4 of 4

A IMPACT
EXHIBITS

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©WSP USA INC. ALL RIGHTS ARE RESERVED. ANY POSSESSION. REPRODUCTION OR OTHER USE OF THS OCCUMENT NATHOUT PRIOR PERMISSION FROM NSP, IS EXPRESSLY PROHIBITED.
PROJECT? DATE 1210712018
A 78 Petworth Court
DRAWN : CHECKEDD BY: W
TITLE BVJWB CHECKED
Project
Overview Stream Bank Stabilization
Raleigh, NC 434 Fayetteville St
SHEET Suite 1500
1 of 5 City of Raleigh Engineering Services
Raleigh, NC 27601
stormwater Management [phone]
127 West Hargett Street, 8th Floor wSP.com

O TEMPORARY STREAM IMPACT (ACCESS)
0
PERMANENT STREAM IMPACT (BANK
STABILIZATION)
PERMANENT BUFFER IMPACT (ZONE 1) HI[D
TEMPORARY BUFFER IMPACT (ZONE 1) 7R.
TEMPORARY BUFFER IMPACT (ZONE 2)
EXISTING STREAM BUFFER (ZONE 1)
EXISTING STREAM BUFFER (ZON1.E 2)
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STREAM 108 86
IMPACTS [LF] 94
\ �� \
IMSTPACS[SF] REAM 1527 1550
ZONE 1 BUFFER 2123 1416 t 7 VN
IMPACTS [SF] 8 'P
ZONE 2 BUFFER
540 0
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NOTE: THERE ARE NO PERMANENT
IMPACTS IN ZONE 2BUFFER;
GRAPHIC SCALE
40 0 20 40
(INS)
1 1wh - 40 & F
—I
Q`,YSPILiSAINC. ALL RIGHTS ARE RESERVED ANY POSSESSION, REPRODUCTION OR OTHER LGE OF THIS DOCUMENT THOa PRIOR PERMISSION FROM MP, IS EXPRESSLY PROHIBITED
PROJECT# DATE 121D7018
DRAWN BY JWB CHECKED BY, AW Petworth Court
—TITLE X1e
Stream & Buffer
Impact Exhibits Stream Bank Stabilization
Sheet Layout
Raleigh, NC 434 Fayetteville St
SHEET Suite 1500
City of Raleigh Engineering Services Raleigh, NIC 27601
2 of 5 Stom ater Management [phone]
127 West Hargett Street, 8th Floor WSP.Com

0 1 If
B1: TEMPORARY BUFFER
IMPACT (ZONE 1)
APPROX. 185 SF
I
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B2: PERMANENT BUFFER -
IMPACT (ZONE 1)
APPROX. 188SF
85: TEMPORARY BUFFER
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APPROX. 1,488 SF
S1: TEMPORARY STREAM IMPACT
f%APPROX.
UCTION ACCESS)
27 LF
5051SF
1� \
NI3: TEMPORARY BUFFER
MPACT(ZONE1) _
APPROX. 450 SF
B4: PERMANENT BUFFER
IMPACT (ZONE 1)
APPROX. 728 SF
_—�S2: PERMANENT STREAM IMPACT
(BANK STABILIZATION)
APPROX. 86 LF
APPROX. 1442 SF
0 c
S3: TEMPORARY STREAM IMPACT
(CONSTRUCTION ACCESS)
APPROX. 21 LF
APPROX.384SF
MATCHLINE: SEE SHEET 4
— — — — — — — TEMPORARY STREAM IMPACT (ACCESS)
PERMANENT STREAM IMPACT (BANK
288888= STABILIZATION)
x x x x x x x x x x xx PERMANENT BUFFER IMPACT (ZONE 1)�
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+ + + + TEMPORARY BUFFER IMPACT (ZONE 1) S
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© WSP USA INC. ALL RIGHTS ARE RESERVED. ANY POSSESSION. REPRODUCTION OR OTHER USE OF THIS DOCUMENT WITHOLn PRIOR PERMISSION FROM WSP. IS EXPRESSLY PROHIBITED
PROJECT p: DATE tDrVPetworth Court
DRAWN BV. JWB CHECKED BY
AW . AW
TITLE
Stream & Buffer
Impact Stream Bank Stabilization
Exhibit Raleigh, INC
SHEET
City of Raleigh Engineering Services
Stormwater Management
127 West Hargett Street, 8th Floor
GRAPHIC SCALE
20 0 10 20
( ni rear )
1 inch - 20 tL
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
wsp.com

IMPACT (ZONE 2)
APPROX. 540 SF I
1 e
AB5: TEMPORARY BUFFER -
IMPACT (ZONE 1)
SEE SHEET 3
MATCHLINE: SEE SHEET 3
B6: PERMANENT BUFFER-
/
IMPACT (ZONE 1) \
APPROX. 500 SF
S5: PERMANENT STREAM IMPACT)
(BANK STABILIZATION)
APPROX. 0 LF
APPROX-108 SF
— — — — — — TEMPORARY STREAM IMPACT (ACCESS)
PERMANENT STREAM IMPACT (BANK
STABILIZATION)
54: TEMPORARY STREAM IMPACT
(CONSTRUCTION ACCESS)
APPROX. 60 LF
APPROX. 638SF
0
Fxx x x x x x x x x x x PERMANENT BUFFER IMPACT (ZONE 1)
x x > > xS
m =
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00 20 O 10 20
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TEMPORARY BUFFER IMPACT (ZONE 2) t h 2 1
i � - o is
© NSP USA INC ALL RIGHTS ARE RESERVED ANY POSSESSION, REPRODUCTION OR OTHER USE OF THIS DOCUMENT WTHOUT PRIOR PERMISSION FROM NSP. IS EXPRESSLY PROHIBITED
PROJECT p. DATE. 1210712018aY. ByAW Petworth Court
DRAWN BV. aWB CHECKED AW
TITLE
Stream & Buffer
Impact Stream Bank Stabilization
Exhibit Raleigh, NC
I
SHEET
4 of 5
City of Raleigh Engineering Services
Stormwater Management
127 West Hargett Street, 8th Floor
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
wsp.com

TYPICAL SECTION TO BE UTILIZED BEHIND 2000 PETWORTH COURT
BEHIND 2000 PETWORTH COURT, ALL BED
MATERIAL SHALL BE RETURNED TO THE
PRE -CONSTRUCTION CONDITION WITH
REGARD TO GRADATION AND THICKNESS
TYPICAL SECTION TO BE UTILIZED BEHIND 2001 PETWORTH COURT (ROCK WALL)
BEHIND 2001 PETWORTH COURT, ALL BED
MATERIAL SHALL BE RETURNED TO THE
PRE -CONSTRUCTION CONDITION WITH
REGARD TO GRADATION, THICKNESS, AND
ELEVATION
rL
INSIDE BEND OUTSIDE BEND
NO WORK
TYPICAL SECTION TO BE UTILIZED BEHIND 2001 PETWORTH COURT (ROCK TOE)
© WSP USA INC. ALL RIGHTS ARE RESERVED ANY POSSESSION. REPRODUCTION OR OTHER USE OF THIS DOCUMENT -UT PRIOR PERMISSION FROM NSP IS EXPRESSLY PROHIBITED
PROJECT ro. DATE 111p7R016 Petworth Court
DRAWN BY JWB CHECKED BY AW I
�
TITLE
I )
Proposed
Typical Stream Bank Stabilization
Section Raleigh, NC 434 Fayetteville St
SHEET Suite 1500
5 of 5 City of Raleigh Engineering Services Raleigh, NC 27601
StorrDwater Management [phone]
127 West Hargett Street, 8th Floor WSp.corn

OVERVIEW
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SELINEA TED PROJECT AREA IS REPRESENTATIVE OF APPROXIMATELIMITS OFOISTURBANCE. THE LINES ARENDT TO SCALE AND NOT FOR THE PURPOSES OF CONS TRUCTION OR PERMI TTING
SOURCE. USGS20160UADMAP: SAYLEAF NORTHCAROLINA
© -s- INC. ALL RIGHTS ARE RESERVED ANY POSSESSION, REPRODUCTION OR OTHER USE OF THIS DOCUMENT WITHOUT PRIOR PERMISSION FROM INS, IS EXPRESSLY PROHIBITED
PRBY'. DATE 121072018
DRAWNAWNBY'. Jwa CHECKED BY.AW
Petworth Court I� % I )
Stream Bank Stabilization
TITLE
LSCS
LOCATION MAP
Raleigh, NC 434 Fayetteville St
Suite 1500
City of Raleigh Engineering Services Raleigh, NC 27601
Sto—aler Management 836-4040
SHEET
of 3
(919)
127 West Hargett Street, 8th Floor wsp,com

DEUNEATEDPROJECTAREAISREPRESENTATIVEOFAPPROXIMATEUMITSOFDISTURBANCE. THE UNES ARE NOT TO SCALE AND NOT FOR THE PURPOSES OF CONSTRUCTION OR PERMITTING.
SOURCE: USDA t970 SOIL SURVEY; WANE COUNTY NORTH CAROLINA - MAP NUMBER: 28
Q NSP USA INC. ALL RIGHTS ARE RESERVED. ANY POSSESSION, REPRODUCTION OR OTHER USE OF THIS DOCUMENT WITHOUT PRIOR PERMISSION FROM WSP, IS EXPRESSLY PROHIBITED
PROJECT p: DATE: 12X72019
DRAWN BY: JWB CHECKED BY AW
TITLE
SOIL
SURVEY MAP
SHEET
2 of 3
Petworth Court
Stream Bank Stabilization
Raleigh, NC
City of Raleigh Engineering Services
Stor"W 2ter Management
127 West Hargett Street. 81h Floor
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434 Fayetteville St
Suite 1500
Raleigh, NC 27601
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SOURCE NCFRIS:WAKECOUNTY,NORTH CAROLINA4^,—..�� _ _ 2'Gi97-3UFIRM NC J)1,1e1..©WSP IJSAINCALLRIGHTS ARE RESERVED. ANY POSSES—. REPRODUCTION CA OTHER IJSE OF THIS DOCl1MENT WITHOLIT PRIOR PERMISSION FROM WSP. IS EXPRESSLY PROHI&TED.
OJECT # 018
PRAWNBY. DATE .1D BY AW
DRAWN aY'. J'NB CHECKED BY AW
Petworth Court
Stream Bank Stabilization
TITLE
FEMA
LOCATION MAP
Raleigh, NC 434 Fayetteville St
Suite 1500
30f 3
City of Raleigh Engineering Services Raleigh, NC 27601
StomNNater Management [phone]
127 west Hargett street, Eth Floor wsp.com

N/F
WE NA- I'� =I TED L. WERNIKOFF &
N/F VvF WA -2
ROGER L. KOSAK & t Z SHERRI S. WERNIKOFF
PATRICIA R. KOSAK b1/F WA_3 N D.B. 6098, PG. 504
D.B. 3739, PG. 744 VVF VVA- 5 TIE TO VA' WF WA -4 � B.M. 1984, PG. 556
B.M. 1985, PG. 221 \ o N m y
PIN 0797796501
PIN 0797792396 +r WA 1
I 1204 MANTEO CT.
2004 PETWORTH CT. ° 1 U D m 140 A
869
WF �' O rn m l O f� `Z�
WF Vv,> -13 O O J m O 33
WF \NIA -5 � Z S 5Q
I
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MICHAEL P. MARTIN &
co a na WF SA -9 MYRA C. MARTIN
D.B. 5044, PG. 821
° d ; B.M. 1984, PG. 556
Z -I
--- PIN 0797796364
O'N
O
o S -E �I WF SA -7x 1209 MANTEO CT.
ar'J= � 139
RIM -366.44'
ICV sI - IN 59.14'
� N N (N}-3
cq
IN(E)=358.64'
I,
�Qj O IN(W)=359.14'
F OUT=358.34'
INV 365
WV i--
CATV 8„�VC� �/ �r�•ZO
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RIM=384.37' WV /ss / RIM=368.61' A \ N/F
IN=375.27' IN=361.51' r WILLIAM G. TARRANT, JR. &
OJT=275.07 SFS; U I OLT-360.01' > _ ! J - CHRISTINE A. TARRANT
EXISTING 30 DRAINAGE & _I D.B. 13690, PG. 468
TRAV-100-PK SANITARY SEWER EASEMENT ,- �, ��� I��-I,: - `��= �� B.M. 1984, PG, 556
N:779206.59' (B.M. 1985, PG, 221) T PIN 0797797108
E:2097328.71' v F 1212 MAURY CT.
EL:381.53' o�
WF SA -3 \\ /esFs2 131
G0 ArC w r \ �`op 0
N/F �/S UNITS, �i 'IMBE \ ��� F9�s
-; G on, •v
STEVEN E. COUCH & °7jr,SS� _ _ W F 3A-2 CL 10 y
V
cELIZABETH A. COUCH rr y s 2� p�
D.B. 3600, PG. 907
�V Q� B.M. 1985, PG. 221 7.q� Lo
V PIN 0797794137 �pB
cd
2001 PETWORTH CT. �, I F� ( E S87° 2
05� 5811W 300.32
� 871 WF SAI CL12 TIL TO PL
j- ` O EXISTING 20' SANITARY = — _ -F F _ 6' — N/F
� SEWER EASEMENT — PAUL LOUIS FITCH &
(B.M. 1985, PG. 221) ��
N88 i6' 47"W 105.07 LINDA OTTEN FITCH
D.B. 17180, PG. 2594
B.M. 1984, PG. 933
PIN 0797797023
N:779047.71' ��
N 1213 MAURY CT.
C E:2097248.75' R. LAWRENCE SMITH & 130
CIDQ EL:396.0T ELLYN H. SMITH
D B 3800 PG 347
IN
9
THE EXISTING CONDITIONS INFORMATION SHOWN
B.M. 1985, PG. 221 IN THIS DOCUMENT WAS ORIGINALLY ISSUED AND
RIM=397.04' PIN 0797794020 SEALED BY DUSTIN J. McCARTY, NC PLS L-5213. ON
INV=389.24' 7912 FARNHAM CT. 10/02/2018. SEE THE ORIGINAL PROJECT REPORT
872 FOR CERTIFICATE AND SEAL OF SURVEYED
EXISTING CONDITIONS INFORMATION.
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
wsp.com
PRELIMINARY: NOT
RELEASED FOR
CONSTRUCTION
I inp— # F-(
REVISIONS
PROJECT aMTEiCV6NtB
om-V cNECREo ar
TILE
EXISTING
CONDITIONS
SURVEY
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CONDITIONS
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SHEET
1 OF ,

SITE PHOTOS
TAKEN BY WSP

WSP
Petworth Court Stream Bank Stabilization
Field Assessment Photolog
Photo No. 1
Existing Boulders at 2001 Petworth Ct.
Looking South
Photo No. 2
Eroded Bank at 2001 Petworth Ct.
Looking Northwest
Photo No. 3
Eroded Bank at 2001 Petworth Ct.
Looking Southwest
December 06, 2018
1 of 3

WSP
Petworth Court Stream Bank Stabilization
Field Assessment
Photo No. 4
Pedestrian Bridge
Looking North (Upstream)
Photo No. 5
Eroded Bank at 2000 Petworth Ct.
Looking West
Photo No. 6
Meander Bend Upstream of Project
Wetland on Opposite Bank
December 06, 2018
2of3

wsP
Petworth Court Stream Bank Stabilization
Field Assessment Photolog
Photo No. 7
Point Bar Material
Photo No. 8
Driveway and Storm Drain at 2000 Petworth Ct.
Looking North
December 06, 2018
3of3

CURRENT
DESIGN PLANS
(SEE ATTACHED)

VICINITY MAP
NTS
DRAWING INDEX:
1) COVER SHEET
2) GENERAL NOTES
3) EXISTING CONDITIONS AND DEMOLITION PLAN
4) STREAM STABILIZATION PLAN AND PROFILE
5) EROSION CONTROL PLAN
6) PLANTING PLAN
7) STREAM DESIGN DETAILS
8) EROSION CONTROL DETAILS
Plans Prepared By: CAD File Path:
Jon Becker, EI J:\185757F Petworth Court\CAD\PIans\Plan Sheets.dwg
THE CITY OF RALEIGH
ENGINEERING SERVICES DEPARTMENT
RUFFIN L. HALL
CITY MANAGER
APPROVED
Lots
N/A
Phase
Stormwater Manager DATE
Public Water
N/A
Public Sewer
RECOMMENDED
FOR CONSTRUCTION
N/A
Public Stormwater
N/A
C�Rp
DEPARTMENT DATE SIGNATUREo4-.T''
434 Fayetteville Street
Suite 1500, Raleigh, NC 27601
F- 0165
Amy Wazenegger PE, CFM
[phone]
�'�q�- IWA2 E 0
�IImm�2�
amy.wazenegge r(q,)wsp.com
f� -
-w -: -144
90% Plans
Petworth Court
Stream Bank Stabilization
Neuse River Basin
Date: December 6th, 2018
NANCY McFARLANE
MAYOR
Public Improvement Quantities
Lots
N/A
Phase
1
Public Water
N/A
Public Sewer
N/A
Public Street
N/A
Public Stormwater
N/A
ALL CONSTRUCTION TO BE IN ACCORDANCE WITH ALL CITY OF
RALEIGH AND/OR NCDOT STANDARDS AND SPECIFICATIONS.
ALL CONSTRUCTION MUST BE IN ACCORDANCE WITH ALL
LOCAL. STATE, AND FEDERAL RULES AND REGULATIONS.
EET OF
1 8

434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
Wsp.com
�a,CARo 'I,�/
OIM
1 W,
V�
NNf.,
PRECIMWMN�tlO�
RELEASED FOR
CONSTRUCTION
NC License: * F -01f
U
RE.SONS
PROJECT DATE. I]-06PDtE
DAA"SY: JWS CKCW RY:AW
TITLE
GENERAL
NOTES
SHEET
20F 8
CONSTRUCTION
NOTES
LEGEND
GENERAL NOTES:
DECIDUOUS TREE' � SURVEY CONTROL POINT
EROSION CONTROL NOTES (FOR REFERENCE ONLY)
DECIDUOUS TREE ®EJP EXISTING IRON PIPE
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH CITY OF RALEIGH STORMWATER DESIGN MANUAL, PUBLIC
1. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE CITU OF RALEIGH STANDARD
UTILITY HANDBOOK, AND CITY OF RALEIGH STANDARD DETAILS UNLESS OTHERWISE NOTED.
DETAILS AND NCDOT GUIDELINES.
EVERGREEN TREE _.-_•,/; A/C UNIT
2. CONTRACTOR SHALL COMPLY TO THE FULLEST EXTENT WITH THE LATEST OSHA STANDARDS FOR EXCAVATION
AND TRENCHING PROCEDURES. CONTRACTOR SHALL USE SUPPORT SYSTEMS, SLOPING, BENCHING ETC. AS
2. ALL CONSTRUCTION ACTIVITIES MUST TAKE PLACE WITHIN THE LIMITS OF THE DISTURBANCE,INGRESS/EGRESS
i41 BUSH COMPUTED POINT
NECESSARY FOR THESE OPERATIONS AND SHALL COMPLY WITH ALL OSHA PERFORMANCE CRITERIA.
EASEMENTS, OR TEMPORARY CONSTRUCTION EASEMENTS ONLY. ACTIVITIES OUTSIDE OF THESE SPECIFIC AREAS ARE
STRICTLY PROHIBITED.
AR RED MAPLE _ STORM DRAIN CURB INLET
3. CONTRACTOR IS RESPONSIBLE FOR CONTACTING NORTH CAROLINA "ONE CALL" CENTER AT 1-800-632-4949 FROM
ANYWHERE IN THE CONTINENTAL UNITED STATES, OR 811 FROM WITHIN THE STATE OF NORTH CAROLINA.
3. CONTRACTOR IS RESPONSIBLE FOR MAINTAINING THE CONSTRUCTION SITE IN A SAFE AND ORDERLY CONDITION
IO AMERICAN HOLLY STORM DRAIN FLARED END SECTION
CONTRACTOR SHALL WAIT 48 HOURS WHILE UTILITIES AND UNDERGROUND FACILITIES ARE LOCATED AND
AND ADHERING TO THE EROSION CONTROL PLAN AS SET FORTH HEREIN, DEVIATION FROM THE EROSION CONTROL
PLAN IS NOT ALLOWED WITHOUT PRIOR WRITTEN APPROVAL FROM THE DESIGNER.
n
MARKED. NOTIFICATION SHOULD BE NO LESS THAN 2, BUT NO MORE THAN 10, WORKING DAYS BEFORE
.JV EASTERN RED CEDAR SANITARY SEWER MANHOLE
COMMENCING EXCAVATION. THE MARKINGS ARE VALID FOR 15 WORKING DAYS FROM THE DATE OF THE CALL TO
THE NOTIFICATION CENTER.
4. CONTRACTOR IS RESPONSIBLE FOR REGULAR INSPECTION AND MAINTENANCE OF ALL EROSION CONTROL
L.I CREPE MYRTLE ,--- SANITARY SEWER CLEANOUT
MEASURES. ALL MEASURES SHALL BE INSPECTED IMMEDIATELY FOLLOWING ANY MEASURABLE STORM EVENT. ANY
4. CONTRACTOR SHALL PERFORM ALL NECESSARY SUBSURFACE UTILITY INVESTIGATIONS PRIOR TO COMMENCING
REQUIRED MAINTENANCE OR REPAIRS SHALL OCCUR AS SOON AS FEASIBLE.
TULIP POPLAR XWV WATER VALVE
CONSTRUCTION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR FIELD VERIFICATION OF EXISTING CONDITIONS,
5. CONTRACTOR IS RESPONSIBLE FOR MONITORING WEATHER CONDITIONS, AND FOR TAKING ACTION AS NECESSARY
I(J�/
OBSTRUCTION, AND UTILITIES WHICH MAY AFFECT PROPOSED WORK.
TO STABILIZE THE CONSTRUCTION SITE PRIOR TO FORECASTED/FORSEEABLE STORM EVENTS.
�;
TAG SOUTHERN MAGNOLIA IRRIGATION CONTROL VALVE
S. CONTRACTOR SHALL BE RESPONSIBLE FOR MAINTAINING CONTINUITY OF ALL UTILITIES DURING CONSTRUCTION.
6. CONTRACTOR TO MINIMIZE TRACKING EQUIPMENT AND ASSOCIATED SEDIMENT/DEBRIS FROM THE CONSTRUCTION
PT LOBLOLLY PINE -TPED TELEPHONE PEDESTAL
6. CONTRACTOR IS RESPONSIBLE FOR PROVIDING SAFE INGRESS AND EGRESS FROM THE PROJECT SITE FOR ALL
517E ONTO THE PUBLIC RIGHT OF WAY.
QRCATV TV PEDESTAL
G . WHITE OAK
VEHICLES, INCLUDING BUT NOT LIMITED TO, TRAFFIC ON ADJACENT PUBLIC ROADS AFFECTED BY CONSTRUCTION
TRAFFIC. CONTRACTOR IS ALSO RESPONSIBLE FOR PROVIDING SAFE INGRESS AND EGRESS AT ALL TIMES FOR
7• IF IT IS DETERMINED DURING CONSTRUCTION THAT SIGNIFICANT SEDIMENT IS LEAVING THE SITE, DESPITE PROPER
RESIDENTS OF NEARBY HOMES.
IMPLEMENTATION AND MAINTENANCE OF THE EROSION CONTROL MEASURES, THE CONTRACTOR IS OBLIGATED TO
TR'i., UNIDENTIFIEDEM ELECTRIC METER
C
TAKE ADDITIONAL CORRECTIVE ACTION. THE CONTRACTOR SHALL CONTACT THE CITY OF RALEIGH AND THE
7. CONTRACTOR SHALL COMPLY TO THE FULLEST EXTENT WITH ALL REGULATIONS GOVERNING THE DEMOLITION,
ENGINEER TO DISCUSS ADDITIONAL MEASURES.
FLOOD LIGHT
f
REMOVAL, TRANSPORTATION AND DISPOSAL OF ALL DEMOLITION DEBRIS.
8. TEMPORARY PUMP -AROUND OF BASEFLOW SHALL BE ESTABLISHED DURING CONSTRUCTION. ALL STREAM
MAILBOX
8. CONTRACTOR SHALL BE RESPONSIBLE FOR DOCUMENTING THE CONDITION OF ALL EXISTING APPURTENANCES
CONSTRUCTION SHALL BE PERFORMED IN A DRY STATE. WORK AREAS SHALL BE STABILIZED AT THE END OF THE DAY.
FF=267.18
(FENCING, DECKING, PAVERS, DRIVEWAYS, ETC.) THAT MAY REQUIRE REMOVAL AND RESETTING AS A RESULT OF
9. CONTRACTOR SHALL ESTABLISH GROUND COVER ON DISTURBED AREAS OUTSIDE OF STREAM BANKS WITHIN 14
FINISHED FLOOR ELEVATION
THIS PROJECT.
CALENDAR DAYS AFTER COMPLETION OF ANY PHASE OF GRADING OR INACTIVITY.
STREAM THALWEG
9. CONTRACTOR SHALL BE RESPONSIBLE FOR ANY DAMAGE TO APPURTENANCES (FENCING, DRIVEWAYS, ETC.)
10. ONCE SITE IS FULLY STABLE, CONTACT THE CITY OF RALEIGH AND THE ENGINEER FOR SITE WALK-THROUGH PRIOR TO
DURING REMOVAL, STOCKPILING AND RESETTING OF THESE APPURTENANCES UNLESS OTHERWISE NOTED.
REMOVING ANY TEMPORARY SEDIMENT AND EROSION CONTROL DEVICES. UPON APPROVAL, REMOVE TEMPORARY-
"-" ---" MINOR CONTOUR (1 FT)
CONTRACTOR SHALL BE RESPONSIBLE FOR REPLACING ANY DAMAGED APPURTENANCES.
SEDIMENT AND EROSION CONTROL MEASURES.
- 375- - MAJOR CONTOUR (5 FT)
10. CONTRACTOR SHALL UTILIZE, TO THE MAXIMUM EXTENT PRACTICAL, LIGHTWEIGHT EQUIPMENT
(MINI-EXCAVATOR(S), SKID STEER(S), ETC.) TO PERFORM CONSTRUCTION ACTIVITIES IN ORDER TO MINIMIZE
PROPERTY LINE
DISTURBANCE TO LAWNS AND LANDSCAPING.
11. THE INSTALLATION OF EROSION CONTROL MEASURES AND PRACTICES SHALL OCCUR PRIOR TO ANY AND ALL
- EXISTING EASEMENT
ACTIVITIES RELATED TO STREAM STABILIZATION.
�7 WOOD FENCE
12. LOCATION OF SUB -SURFACE UTILITIES, WHETHER PUBLIC OR PRIVATE, IS BASED UPON FIELD LOCATION OF VISIBLE
T
APPURTENANCES AND IS APPROXIMATE. IT IS THE CONTRACTOR'S RESPONSIBILITY TO VERIFY LOCATION PRIOR TO
UNDERGROUND TELEPHONE LINE
COMMENCEMENT OF ANY CONSTRUCTION.
-CATV- UNDERGROUND COMMUNICATION LINE
13. ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE FIELD VERIFIED BY THE CONTRACTOR PRIOR To
CONSTRUCTION SEQUENCE:
CONSTRUCTION. CONTRACTOR SHALL NOTIFY OWNER IF ANY DISCREPANCIES EXIST PRIOR TO CONSTRUCTION.
E UNDERGROUND ELECTRIC LINE
14. ALL GRADED AREAS SHALL BE SLOPED SUCH THAT NO AREAS OF STANDING WATER OCCUR AND ALL AREAS
1. OBTAIN REQUIRED PERMITS INCLUDING BUT NOT LIMITED TO USACE 404, DEQ 401, BUFFER AUTHORIZATION, PRIOR
TO ANY WORK PERFORMED ON-SITE.
-SS- SANITARY SEWER LINE
POSITIVELY DRAIN TO THE STREAM OR APPROPRIATE DRAINAGE STRUCTURE.
2. CONTRACTOR TO SCHEDULE PRE -CONSTRUCTION CONFERENCE WITH THE CITY OF RALEIGH AND THE ENGINEER
-- STORM DRAIN LINE
15. CONTRACTOR SHALL BE RESPONSIBLE FOR RESTORING ALL LAND DISTURBED DURING CONSTRUCTION TO ITS
PRIOR TO STARTING WORK.
ORIGINAL GRADE AND LOCATION UNLESS NOTED OTHERWISE.
- UNKNOWN DESTINATION
16. TOTAL PROJECT DISTURBED AREA = 8,473 SF
3. INSTALL TEMPORARY CONSTRUCTION ENTRANCE (IF REQUIRED) AND OTHER EROSION CONTROL MEASURES AS
SHOWN ON THE APPROVED PLANS. CLEAR ONLY AS NECESSARY TO INSTALL THESE DEVICES.
CONCRETE SURFACE
4. CALL FOR ONSITE INSPECTION BY CITY OF RALEIGH AND THE ENGINEER.
" "+ CONCRETE SURFACE'
CHANNEL CONSTRUCTION NOTES:
S. BEGIN CLEARING, GRUBBING, AND TREE REMOVAL.
POINT BAR MATERIAL'
1. CONSTRUCTION SHALL BEGIN E THE DOWNSTREAM SEGMENT OF THE CHANNEL REACH AND PROCEED UPSTREAM
UNLESS APPROVED OTHERWISE BY THE ENGINEER.
6. UTILIZE TEMPORARY STREAM DIVERSION ON PERENNIAL STREAMS TO ENSURE WORK AREA IS ISOLATED FROM
STREAM BASE FLOW. ONLY PERFORM BANK STABILIZATION WORK DURING DRY CONDITIONS.
DELINEATED WETLAND
2. CHANNEL BED MATERIAL SHALL BE RETURNED TO ITS ORIGINAL CONDITION. SUPPLEMENTAL CHANNEL BED
MATERIAL (IF REQUIRED) SHALL BE PLACED ACCORDING TO THE RELEVANT NOTES, DETAILS, AND SPECIAL
7, BEGIN BANK STABILIZATION CONSTRUCTION STARTING WITH THE DOWNSTREAM SEGMENT AND PROCEEDING
r•i ... POLYVINYL CHLORIDE PIPE
PROVISIONS.
UPSTREAM.
3. THEHE TYPE, G GRADATION, AND PLACEMENT OF SUPPLEMENTAL BED MATERIAL SHALL BE REVIEWED BY THE ENGINEER.
8. STABILIZE THE ACTIVE WORK AREA AT THE END OF EACH DAY.
RCP REINFORCED CONCRETE PIPE
ALL BED MATERIALTHAT IS SALVAGED, SHALL NOT BE MIXED WITH SEDIMENT OR SOIL, AND SHALL BE REVIEWED
AND ACCEPTED BY THE ENGINEER.
9, ESTABLISH GROUND COVER ON DISTURBED AREAS WITHIN 7 DAYS (BELOW TOP OF BANK OR 14 DAYS (ABOVE TOP
)
' WOOD FENCE
OF BANK).
100~ PR. ROCK WALL
4. THE CHANNEL BED SHALL BE RESTORED TO R5 FINAL CONDITION WITHIN 7 DAYS OF COMPLETING BANK
STABILIZATION ACTIVITIES REQUIRING MACHINERY AND ACCESS WITHIN THE CHANNEL
10. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS STABILIZED CALL FOR INSPECTION BY CITY OF RALEIGH AND
F1011111111mm PR. ROCK TOE
THE ENGINEER.
5. THE CHANNEL BANKS SHALL BE STABILIZED ACCORDING TO THE BANK PROTECTION DETAILS.
PR. SOIL LIFTS
11. IF THE SITE IS APPROVED, REMOVE TEMPORARY EROSION CONTROL MEASURES AND SEED/PLANT ANY RESULTING
-_�
6. ALL BACKFILL SHALL BE PLACED IN 1 FOOT LIFTS AND COMPACTED TO IN-SITU SOIL DENSITY. AREAS SHALL BE FREE
BARE AREAS.
�l i,
FROM BRUSH AND ORGANIC DEBRIS PRIOR TO BACKFILLING.
PR. PAVEMENT REMOVAL
12. CALL FOR FINAL SITE INSPECTION BY THE CITY OF RALEIGH AND THE ENGINEER.
PR. MINOR CONTOUR (1 FT)
PR. MAJOR CONTOUR (5 FT)
-LOO PR. LIMITS OF DISTURBANCE
-TPF- TREE PROTECTION FENCE
-sF SILT FENCE
TEMPORARY TIMBER MATTING
CLASS A STONE (CONST. ENTRANCE)
`APPROXIMATE LOCATION;
EXAMPLE: 10QA = 10" WHITE OAK BASED ON FIELD OBSERVATION
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
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TITLE
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NOTES
SHEET
20F 8

CONTRACTOR TO COORDINATE
EMOVAL AND STORAGE OF
i
WOOD BRIDGE N/F
,T.
MICHAEL P INAR F INsx
$
MYA C.
LLi; ' , , s , D.BR 044IPG 82
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IF NECESSARY. CONTRACTOR
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END SECTION 1209 MANTEO CT-
ihj 139
r L44�
RIM=366.44'
IF NECESSARY, CONTRACTOR TO COORDINATE ICV l / �. Ih `� �- !� N IN(N)=359.14`
I
REMOVAL AND STORAGE OF WOOD LANDSCAPING �} yi ,�� �I�'� ��,"D IN(E)=35&64'ARCH AND OTHER LANDSCAPING MATERIAL �)
WITH REPRESENTATIVES OF THE CITY AND THE { IN{W}=359.14'
OUT=358.34'
HOMEOWNER
, I
G . PROTECT SEWER MANHOLE AND AVOID TRAVERSING OR DISTURBING THE GROUND
OVER THE 8" PVC SEWER PIPE WITHIN
r STREAM BANKS
WV/ INV 36/ ,
CONTRACTOR TO REPLACE DRIVEWAY AND CATV? - "' ✓ 8 PVA
APRON AFTER USE AS CONSTRUCTION ACCESS `\ TPED
AND SHALL ENSURE SAFE INGRESSIEGRES
FOR PROPERTY OWNERS DURING 1 1 .: = (0'+#'
CONSTRUCTION-
/��
1
1 T 81.47 4
7, Cp S� � �
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Qj�T'=37 +.Y � �¢ � CONTRACTOR TO PROTECT. REPAIR
f �- - - 1 /' / R REPLACE SEWER CLEANOUT TO
WV �•� �IN=36.51 � q Tkf. `' r'; E� '�.r, PRE -CONSTRUCTION CONDITIONS
,� / N/F
IN_375.27` _ E ` WILLIAM G. TAftRANT, JR. --
OUT=275.07' OUT -360.01' __. 1 d
M- 4 3T WV
r / CHRISTINE TARRA
� C _ NT
l - EXISTING 30" DRAINAGE & %— f r " . _ D.B_ 13690 PG_ 468
TRAY -100 -PK : r r�
�, SANITARY SEWER EASEMENT
( B.M- 1984, PG 556
N-779206.59' (B.M. 1985, IPG. 221) �X it x ` '�� v PIN 0797797108
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D.B 3600, PG. 907
j .,Q J B.M 1985. PG- 221 7A� r
l V % PIN 0797794137
20NrKr L0--------
01 PETWORTH CT. \ E S87° 25 W 58" 300.32'
o�N... _
6T N/F
EXISTING 20 SAN A Y
SEWER EASEMENT
(B.M. 1985. PG. 221) -
EXISTING BOULDERS TO REN
TRAV-2-NL
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PAUL LOUIS FITCH &
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ELLYN H SMITH
D.B. 3800. PG, 347
B.M. 1985, PG, 221
PIN 0797794020
7912 FARNHAM CT.
LINDA OTTEN FITCH
D.B 17180 PG. 2594
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PIN 0797797023
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TED L. WERNIKOFF &
THE EXISTING CONDITIONS INFORMATION SHOWN
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2004 PETWORTH CT.
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CONTRACTOR TO COORDINATE
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MICHAEL P INAR F INsx
$
MYA C.
LLi; ' , , s , D.BR 044IPG 82
�- '` Y ;. B.M. 1984 PG 556
IF NECESSARY. CONTRACTOR
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END SECTION 1209 MANTEO CT-
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RIM=366.44'
IF NECESSARY, CONTRACTOR TO COORDINATE ICV l / �. Ih `� �- !� N IN(N)=359.14`
I
REMOVAL AND STORAGE OF WOOD LANDSCAPING �} yi ,�� �I�'� ��,"D IN(E)=35&64'ARCH AND OTHER LANDSCAPING MATERIAL �)
WITH REPRESENTATIVES OF THE CITY AND THE { IN{W}=359.14'
OUT=358.34'
HOMEOWNER
, I
G . PROTECT SEWER MANHOLE AND AVOID TRAVERSING OR DISTURBING THE GROUND
OVER THE 8" PVC SEWER PIPE WITHIN
r STREAM BANKS
WV/ INV 36/ ,
CONTRACTOR TO REPLACE DRIVEWAY AND CATV? - "' ✓ 8 PVA
APRON AFTER USE AS CONSTRUCTION ACCESS `\ TPED
AND SHALL ENSURE SAFE INGRESSIEGRES
FOR PROPERTY OWNERS DURING 1 1 .: = (0'+#'
CONSTRUCTION-
/��
1
1 T 81.47 4
7, Cp S� � �
P
Qj�T'=37 +.Y � �¢ � CONTRACTOR TO PROTECT. REPAIR
f �- - - 1 /' / R REPLACE SEWER CLEANOUT TO
WV �•� �IN=36.51 � q Tkf. `' r'; E� '�.r, PRE -CONSTRUCTION CONDITIONS
,� / N/F
IN_375.27` _ E ` WILLIAM G. TAftRANT, JR. --
OUT=275.07' OUT -360.01' __. 1 d
M- 4 3T WV
r / CHRISTINE TARRA
� C _ NT
l - EXISTING 30" DRAINAGE & %— f r " . _ D.B_ 13690 PG_ 468
TRAY -100 -PK : r r�
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( B.M- 1984, PG 556
N-779206.59' (B.M. 1985, IPG. 221) �X it x ` '�� v PIN 0797797108
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E:2097i28 71 ! a 1212 MAURY CT.
�EL:381 53 CO}�
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F v r6 fly 'L �
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STEVEN E COUCH & 7�
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D.B 3600, PG. 907
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l V % PIN 0797794137
20NrKr L0--------
01 PETWORTH CT. \ E S87° 25 W 58" 300.32'
o�N... _
6T N/F
EXISTING 20 SAN A Y
SEWER EASEMENT
(B.M. 1985. PG. 221) -
EXISTING BOULDERS TO REN
TRAV-2-NL
/ N:779047 71
E 2097248.75',
---
� EL 396.07
R L
41g
RIM=397.04'
INV=389.24' -'
PAUL LOUIS FITCH &
N88° 16'47"W 105,07
N/F
R. LAWRENCE SMITH &:
ELLYN H SMITH
D.B. 3800. PG, 347
B.M. 1985, PG, 221
PIN 0797794020
7912 FARNHAM CT.
LINDA OTTEN FITCH
D.B 17180 PG. 2594
2�
13.102 1984, PG. 933
PIN 0797797023
1213 MAURY CT.
130
THE EXISTING CONDITIONS INFORMATION SHOWN
IN THIS DOCUMENT WAS ORIGINALLY ISSUED AND
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SEALED BY DUSTIN J McCARTY, NC PLS L-5213, ON
10/02/2018 SEETHE ORIGINAL PROJECT REPORT
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FOR CERTIFICATE AND SEAL OF SURVEYED
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434 Fayetteville St
Suite 1500
Raleigh: NC 27601
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HANNEL SHALL BE
PERFORMED IN THE DRY AVOIDING ANY WORK DURING PERIODS OF f 0
RAINFALL 1' y�
TEMPORARYSTABILIZATNMR
All DISTURBED AREAS BELOW THE TOP OF BANK SHALL BE
APPROPRIATELY STABILIZED AT THE ENO OF EVERYDAY ALLAREAS
ABOVE THE TOP OF AND
MULCH. SHALL STABILIZED WITHIN HCALENDAR
DAYSUSINGSEED AND REMIN ACCORDANCE WITH THE CITY OF
RALEIGH; UNR PRICE AGREEMENT-CONTRACTA SECTIOND2933
TIMBER MATTING:
TEMPORARY TIMBER MATTING SHALL BE INSTALLED AND UTILIZED TO ( / TAT` �O
PROTECT TREE ROOTS FROM SOIL COMPACTION AND PHYSICAL DAMAGE / '�.. /
MATS SHOULD BE RATED TO WITHSTAND THE EQUIPMENT BEING/ c
UTILIZED AND SHOULD BE REPLACED IF DAMAGED AND RESET IF LLL YYY \�
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CUSS ASTONE!
CLASS ASTONE SHALL BE INSTALLED. MAINTAINED, REMOVEDANDPAID
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AGREEMENT CONTRACTA SECTION 67IOITEMPORARY GRAVEL V
CONSTRUCTION ENTRANCE] STANDARD LATERAL DIMENSIONS LENGTH
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ALL EROSION CONTROL MEASURER SHALL BE INSPECTED AT LEAST ONCE
PER WEEK AND AFTER ANY MEASURABLE RAINFALL EVENT -ALL
DAMAGED MEASURES SHALL BE REPAIRED
r
IMMEDIATELY.
SEOIMENT SHILL RE REMOVED FROM ALL SILT FENCE AND INLET
PROTECTION MEASURES WHEN IT EXCEEDSY THE HEIGHT OF THE
DEVICE.
PUMPAROUND:
A PUMP -AROUND, SIZED TO CONVEY THE BASE STREAMFLOW, SHILL BE
MAINTAINED DURING ANY AND ALL PERIODS OF CHANNEL
CONSTRUCTION AU WORK WITHIN THE STREAM C
/
HANNEL SHALL BE
PERFORMED IN THE DRY AVOIDING ANY WORK DURING PERIODS OF f 0
RAINFALL 1' y�
TEMPORARYSTABILIZATNMR
All DISTURBED AREAS BELOW THE TOP OF BANK SHALL BE
APPROPRIATELY STABILIZED AT THE ENO OF EVERYDAY ALLAREAS
ABOVE THE TOP OF AND
MULCH. SHALL STABILIZED WITHIN HCALENDAR
DAYSUSINGSEED AND REMIN ACCORDANCE WITH THE CITY OF
RALEIGH; UNR PRICE AGREEMENT-CONTRACTA SECTIOND2933
TIMBER MATTING:
TEMPORARY TIMBER MATTING SHALL BE INSTALLED AND UTILIZED TO ( / TAT` �O
PROTECT TREE ROOTS FROM SOIL COMPACTION AND PHYSICAL DAMAGE / '�.. /
MATS SHOULD BE RATED TO WITHSTAND THE EQUIPMENT BEING/ c
UTILIZED AND SHOULD BE REPLACED IF DAMAGED AND RESET IF LLL YYY \�
SHIFTED. / �4 -
CUSS ASTONE!
CLASS ASTONE SHALL BE INSTALLED. MAINTAINED, REMOVEDANDPAID
FOR IN ACCORDANCE WITH THE C"OF RALEIGH; UNTTPRIGE .. ,� .�
AGREEMENT CONTRACTA SECTION 67IOITEMPORARY GRAVEL V
CONSTRUCTION ENTRANCE] STANDARD LATERAL DIMENSIONS LENGTH
AND WIOTp SHALL BE ADJUSTED AS NECESSARY TO TRANSITION
BMAET WEEN THE EXISTING CONCRETE DRIVEWAY AND THE TIMBER \ /, ty j'�.�
'`f
q
TTING.
TREE DAMAGE.
AN V TREES THAT ARE UNINTENTIONALLY AND VISIBLY DAMAGED SHOULD O
BE' THE CTTYULDREPRESENTATIVE OR THE ENGINEER TO f �L I ! \
DETERMINE IF THE TREE SHOULD BE REMOVED PRIOR TO PROJECT
COMPLETION.
PROPOSED CONTOURS: l /A�.
PROPOSED CONTOURS AND LIMITS OF GRADING HAVE BEEN TURNED OFF f /I
FOR
CLARITY- SEE SHEET FOR DETAIL REGARDING PROPOSED GRADE
( J
/
{' INSTALL AND MAINTAIN MATTING
TIMBER
(� % f _ ING (SEE DETAIL
" ' / p
CATV--
- ON SHEET 8)
TPED � � :-.
,--'^ INSTALL AND MAINTAIN CLASS ' ----
�- - A STONE AS TRANSITION FROM
DRIVEWAY TO TIMBER
MATTING__i
gkg
.y
Y Y Vpq,
W Y
DRIVEWAY TO BE REPAIRED
H/ TO PRE-CONSTRUCTIO
CONDITION (OR BETTER)
i
i
I
LOl7----�
i
- /'" INSTALL AND MAINTAIN
- -� TREE PROTECTION
/ FENCE (SEE DETAIL ON
_-_ _ - SHEET 8)
PROPOSED LIMITS OF
DISTURBANCE
(APPROX. 8,473 SF)
GRAPHIC SCALE00
lo cd,
(IN Fear)
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____------_DURING ACTIVE WORK 1
U
PERIODS
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
wsp.com
SEAL
PRELIMINARY: NOT
RELEASED FOR
CONSTRUCTION
License # F-0165
I
T-
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
wsp.com
SEAL
PRELIMINARY: NOT
RELEASED FOR
CONSTRUCTION
License # F-0165
REVISIONS
PROJECTY DATE: 11.1.
ORAWH BY. JWB CHECKED BY AW
TITLE
EROSION
CONTROL
PLAN
SHEET
5GF8
T-
LD V
n
w0
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j
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LL
U
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dm
=Z
m
1- 2
U-
0
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REVISIONS
PROJECTY DATE: 11.1.
ORAWH BY. JWB CHECKED BY AW
TITLE
EROSION
CONTROL
PLAN
SHEET
5GF8

GRAPHIC SCALE
se
(IN PM)
I Ich- 20 f.
16PT
12PT 6TREE
6TREE 'Z9
6TREE
m/
u
li \o
TPED
SQUARE CUT
BUDS (FACING UPWARD) BANK STABILIZATION WITH LIVE STAKES
NOTE:
LIVE STAKES SHALL BE SPACED APPROXIMATELY 3 FT ON CENTER
LIVE CUTTING LIVESTAKES SHALL BE DRIVEN UNTIL APPROXNATELY3'4 OF THE STAID:
(I'-2' DIAMETER) 2 - 3 Feet SBE OW THE GROUND SURFACE
LIVE STAKES SHALL CONSIST OF THE SPECIFIED MIX OF SPECIES WITH NO
SINGLE SPECIES COMPRISING MORE THAN 40% OF THE TOTAL
ANGLE CUT 30'-45' LIVE STAKES SHALL BE 2-3 FT IN LENGTH
COIR FIBER MAT
LIVE STAKES
EXISTING/PROPOSED
EXISTING/PROPOSEDGROUND
STREAMBED —�
a
t
1 1 SHED v
T0ib-7-381.47,'
G
OUT=375.97'
t
Imo; 8TREE
mwv
RIM=384.37'
WV
IN=375.27'
3�
OUT=275.07'
'6
SQUARE CUT
BUDS (FACING UPWARD) BANK STABILIZATION WITH LIVE STAKES
NOTE:
LIVE STAKES SHALL BE SPACED APPROXIMATELY 3 FT ON CENTER
LIVE CUTTING LIVESTAKES SHALL BE DRIVEN UNTIL APPROXNATELY3'4 OF THE STAID:
(I'-2' DIAMETER) 2 - 3 Feet SBE OW THE GROUND SURFACE
LIVE STAKES SHALL CONSIST OF THE SPECIFIED MIX OF SPECIES WITH NO
SINGLE SPECIES COMPRISING MORE THAN 40% OF THE TOTAL
ANGLE CUT 30'-45' LIVE STAKES SHALL BE 2-3 FT IN LENGTH
COIR FIBER MAT
LIVE STAKES
EXISTING/PROPOSED
EXISTING/PROPOSEDGROUND
STREAMBED —�
a
t
1 1 SHED v
iAR
0
N/F
t
Imo; 8TREE
6TREE
forward to upright
12AppF
position
0
2. Place seedling to depth
'6
z^ � I BLL LST KESt)
�hye
THROUGH COEIIREEppM�ATpTIN
1
-.�". ,S18AENF6LI'VIZ�
,1
inches from seedling, then
6TREE
ELI III
REMOVETREE
INSTALL BARE OT
SEEDLINGS, CONTAINERIZED -1
PLANTS, AND SEED ZONE 3
i
ij
STABILIZE AND SEED ZONE
'E -D.
QcP S�/
TRAV-100-PK
N:779206.59'
E:2097328.71'
EL:381.53'
1 1
n REE
m
'i�K/r.e�oeeee�
♦eeeeeeoee.ee
"/"P
aY RIM) 368.61'
i a
:114=361.51'
.OUT=360.01'
EXISTING 30' DRAINAGE &
SANITARY SEYVER EASEMENT
(B.M. 1985, PG. 221)
INSTALL LIVE STAKES
\THROUGH COIR MATTING_/z,
AND SEED ZONE 2 M�
(INCLUDING SOIL•LIFTS) LLA
UNITS,- z
N/F .1 .
STEVEN E. COUCH & 14,
ELIZABETH A. COUCH
D.B. 3600, PG. 907
INSTALLATION OF BARE ROOT SEEDLINGS WITH DIBBLE BAR'
r
1. Insert dibble or shovel
N/F
at angle shown and push
,�1 OAR
forward to upright
8TREE
12AR
position
0
2. Place seedling to depth
CHRISTINE A. TARRANT
PG. 468
grown at nursery. Make
i
sure root is straight
1
3. Insert dibble two
1vAR
inches from seedling, then
6TREE
pull back to pack the soil
REMOVETREE
around roots.
(TYP)
4. Push handle toward the
C) 8TREL
secJbng to finish packing
INSTALL BARE ROOT
Soil at top of roots
PLANTS, AND
S. Fill in second We by
N
stomping with heel.
BTREE
6. Pack soil around
U
seedling with feet.
sio o
mo- 51;0
8TREF
++♦++•+++ ZONE 1 (182 SF)
5y
-
INSTALL LIVE STAKES
N/F
THROUGH COIR MATTING
,�1 OAR
AND SEED ZONE 2
8TREE
12AR
16AR ^: 12oee
6T E
;6TREE
\
CHRISTINE A. TARRANT
PG. 468
N/F
\.-'
MICHAEL P MARTIN &
D.B. 13690,
MYRA C. MARTIN
1vAR
D.B. 5044; PG. 821
6TREE
B.M. 1984, PG. 556
REMOVETREE
PIN 0797796364
(TYP)
I 1209 MANTEO CT.
C) 8TREL
1 139
o
INSTALL BARE ROOT
EEDLINGS. CONTAINERIZED
PLANTS, AND
SEED ZONE 3 ,RIM=366.44`
N
r`T IN(N)=359.14'
BTREE
IN(E)=358.64'
U
n IN(W)=359.14'
2TRE=_
OUT=358.34'
i, 6TREE
I
1011'w \
IU 3 I/ ` 12TPEE�oP
#tib.
V
A
\
N/F
14TREE
\
\
WILLIAM G. TARRANT, JR. &
16AR ^: 12oee
6T E
\
\
CHRISTINE A. TARRANT
PG. 468
✓✓' �--' 6T62EE=
\.-'
8 REE
FREE
8"
D.B. 13690,
6TREE ` -%
12TREE
EE V
A
B.M. 1984, PG. 556
a ct
fir`
12AR
PIN 0797797108
LL
8TREE 363
V
1212 MAURY CT.
O
6TREE
12AR�
0 10AR
8AR
36AR
PI:::ZONE 2 (2,030+752=2,782 SF)
EgoZONE 3 (1,136+853=1,989 SF)
THE AREAS AND QUANTITIES FOR ZONES 2 AND 3 HAVE BEEN DIVIDED INTO TWO, ACCORDING TO THE
PROPERTY ON WHICH THEY ARE SPECIFIED FOR PLANTING. THE DIVISION OF QUANTITIES CAN FACILITATE
SEPARATE PAYMENT FOR EACH PARCEL.
GENERAL PLANTING NOTES
WOOD TREEISHRUB SPACING:
FOR ZONES 2, AND 3 THE SELECTED SPECIES OF WOODY TREESISHRUaS
SHALL BE EVENLY DISTRIBUTED THROUGHOUT THE RELEVANT ZONE,
WITH NO SINGLE SPECIES COMPOSING MORE THAN 40% OF THE PLANTED
STEMS IN THE ZONE.
ZONE 1 SHALL BE PLANTED WITH ONLY A TEMPORARY AND PERMANENT
SEED MIX, NO WOODY SPECIES SHALL BE PLANTED IN ZONE 1.
PLANTING METHODS:
LIVE STAKES SHALL BE PLANTED THROUGH COR FIBER MAT AS SHOWN
ON THIS SHEET (TANK STABILIZATION WITH LIVE STAKES'). BARE ROOT
SEEDLINGS SHALL BE PLANTED WITH A DIBBLE BAR OR OTHER APPROVED
METHOD
SEEDING:
IN ORDER TO ESTABLISH PERMANENT HERBACEOUS GROUND COVER. ALL
ZONES SHALL BE SEEDED WITH THE APPROPRIATE SEED MIX (RIPARIAN):
SUPPLIED BY ERNST SEED COMPANY OR AN APPROVED EQUAL ALL
PER MANENT' RIPARIAN SEED MIXES SINAL BE APPROVED BY EITHER A
REPRESENTATAE OF ME CITY OF RALEIGH OR THE ENGINEER
A TEMPORARY SEED MIX MAY BE REQUIRED IMMEDIATELY AFTER
CONSTRUCTION TO ENSURE RAPID VEGETATIVE ESTABLISHMENT.
SPECIFICATIONS:
UNLESS OTHERWISE STATED, SEED MUTES, LIVE STAKES. AND BARE ROOT
SEEDLINGS SHALL COMPLY WITH THE CITY OF RALEIGH; UNIT PRICE
AGREEMENT- CONTRACTA. SECTION 02533
PLANTESTABnSITYENT THROUGH YEAR ONE:
ALL PLANTED MATERIA (SEED, LIVE STAKES, ANO BARE ROOT
SEEDLINGS) SHALL BE WATERED, MAINTAINED, AND REPAIRED AFTER
EXPERIENCING ANY DAMAGE FROM RAINFALL. EROSION, HIAIANS, OR
ANIMALS. THE CONTRACTOR IS RESPONSIBLE FOR COORDINATING WITH
THE CITY OF RALEIGH ANDiOR THE ENGINEER TO ENSURE THE SURVIVAL
OF AT LEAST 7D% OF PLANTED WOODY STELE AFTER YEAR ONE
WOODY TREE/SHRUB SPECIES FOR ZONES 2 AND 3.
ZOITE k
STREAM BANK; SHALL BE PLANTED WITH A MIXTURE OF LIVE STAKES OF 23
FT LONG, THE LIVE STAKES SHOULD BE SPACED 3 FEET APART 14,840 TPA).
THE CONTRACTOR SHALL USE AT LEAST THREE OF ME FOLLOWING FIVE
SPECIES
ALNUS SERRLNATA(TAG AIDER) nR
-SAMBUCUS CANADENSIS (ELDERSERRYI A4'
-CORNUS AMOMUM (SILKY DOGWOOD),,
-SALIX SERICEA (SW(Y WLLOW) ¢s.,.
-VIBURNUM DENTATUM (ARROYWNOOD VIBURNUM).
ZONE 3:
RIPARIAN: SHALL BE PLANTED WITH A MIXTURE OF DARE ROOT SEEDLINGS
AND CONTAINERIZED PLANTS.
BARE ROOT SEEDLINGS:
-ANT AT A SPACING OF 6 FT (1,210 TPA)
TWC OF THE FOLLOWING THREE SPECIES
BETULA NIGRA(RIVER BIRCH) w
NYSSA SYLVADCA (BLACK GUM) RA
ACFR NEGUNDO (BOX ELDERI PR
CONTAWERQFD PLANTS:
-PLANT AT A SPACING OF 15 FT (IN TPA)
-TWO OF THE FOLLOWING FOUR SPECIES
DIOSPYROS VIRGINIANA (PERSIMMMI ¢n
NVSSA SYLVA TICAL (BLACK GUM)
ACER NEGUNDO (BOX ELDERI ,
CAWNUS CAROLOWAN4 (AMERICAN HORNBEAMIp,
APPROXIMATE TOTAL QUANTITIES MOODY STEMS):
2000 PE'IWORTH CT. 2001 PETWORTH CT -
ZONE 2: ZONE 2:
250 LIVE STAKES 100 LIVE STAKES
ZONE 3: ZONE 3:
35 BARE ROOT SEEDLINGS 30 BARE ROOT SEEDLINGS
8 CONTAINERIZED PLANTS 6 CONTAINERRED PLAITS
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
WSP.COM
PRELIMINARY: NOT
RELEASED FOR
REVISIONS
PFXECTa DATE: 12U 18
DRAYMSY: MB CHECKED BY: AW
TITLE
PLANTING
PLAN
SHEET
60F B
Z
V
Tn
WO
= Z
a ct
T
by
LL
��.
O
O
D m3
O
U
UCl-
REVISIONS
PFXECTa DATE: 12U 18
DRAYMSY: MB CHECKED BY: AW
TITLE
PLANTING
PLAN
SHEET
60F B

TYPICAL SECTION - STATION RANGES
0+03.00* 1 0120.00-
1 0+20.00 1 0+80.00 1
IMBRICATED ROCK
WALL
rL
*WITHIN STATION RANGE 0+03 TO 0+20; CONSTRUCT ONLY THE PORTION OF
THE TYPICAL SECTION THAT IS INSIDE THE BEND (NO ROCK WALL)
TYPICAL SECTION - STATION RANGES
1 1+60.00 1 1+65.00 1
TYPICAL SECTION - STATION RANGES
1+85.00
2+10.00
rL
INSIDE BEND OUTSIDE BEND
NO WORK
EXISTING GROUND
• i -SOIL STABILIZATION MATTING
TOP OF WALL
ROCK
TOP ROCK
COMPACTED BACKFILL
WRAP GEOTEXTILE----
AROUND BURIED SECTION VIEW
PORTION OF FOOTER ROCK
BOULDERS
IMBRICATED ROCK WALL PROTECTION DETAIL
NOT TC SCALL
GROUND
- I•
DIRECTION OF TRAVEL
2' MIN. OVERLAP
I
TIMBER MATTING
NOT TO SCALE
t (
or
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I TIMBER MATTING SHALL BE:
r
1.1, CONSTRUCTED OF LAMINATED
�-
TIMBERS WITH A MINIMUM TOTAL
MAT THICKNESS OF 6 INCHES.
1.2. AT LEAST 2 FEET WIDER THAN"11111'!ry�
CONSTRUCTION
CARO( i
ANY EQUIPMENT
i
TRAVERSING THE MAT.
12`-16' OF SUCH A QUALITY THAT THEREo
1.3.
IS NO VISIBLE DEFLECTION
=2a SEAL1
A
DURING TRAVERSE
W=
1.4. OVERLAPPED A MINIMUM OF 2
FEET........
Z
1.5. INSTALLED PRIOR TO ANY
EQUIPMENT ACCESSING THE
I
�-)
AREAS WHERE MATTING HAS
{
i
TIMBER MATTING
NOT TO SCALE
BOULDER DIMENTSIONS (FT)
STATION 1 LENGTH I WIDTH ; DEPTH
SEE PLAN 1 34 2-3 1-2
`FOOTER ROCK
NOTES:
t. SOIL LIFTS ARE TO BE CONSTRUCTED USING COIR FIBER MATTING AND SALVAGED'FURNISHED
TOPSOIL.
2, SOIL LIFTS ARE TO BE CONSTRUCTED IN 1 FOOT LIFTS MEASURED FROM TOP OF LIFT TO TOP OF LIFT.
AT LEAST THE TOP 6 INCHES OF EACH LIFT SHALL BE TOPSOIL. THE REMAINDER CAN BE COMPOSED OF
SALVAGED, EXCAVATED SOIL.
3. ROCK TOES AND FOOTER ROCKS FOR SOIL LIFTS ARE TO BE CONSTRUCTED USING BOULDERS WITH AN
APPROXIMATE SIZE OF 3.5' x 2.5' x 1.5'(L x W x H).
4 ROCK TOES FOR SOIL LIFTS ARE TO BE STACKED FLAT ATOP THE FOOTER ROCK AND SET 1 FOOT BACK
FROM THE FACE OF THE FOOTER ROCKS. THE ROCK TOE BOULDERS ARE TO BE STAGGERED RELATIVE
TO THE FOOTER ROCKS PRODUCING A SHINGLED PLACEMENT OF THE BOULDERS.
5. SEED MIXTURE, AS SPECIFIED IN THE PLANTING PLAN (SHEET 6) IS TO BE SPREAD ACROSS THE
EXPOSED FACES OF THE SOIL LIFTS. SEED MIXTURE IS 70 BE APPLIED 70 THE TOPSOIL LAYER PRIOR
TO COVERING WITH COIR FIBER MATTING.
6. LIVE STAKES ARE TO BE INSTALLED THROUGHOUT THE SOIL LIFTS PLACED ON A TRIANGULAR GRID AND
SEPARATED BY 1.5 FEET CENTER TO CENTER.
30' CUTOFF
ANGLE
PLAN VIEW BOULDER DIMENSIONS (FT)
STATION LENGTH WIDTH DEPTH
NOTES: SEE PLAN 5_6 34 1.5-2.5
1. IMBRICATED ROCK WALL SHALL BE CONSTRUCTED IN A GAP -FREE SEQUENCE.
2. SELECTION OF BOULDERS TO BE USED FOR TOP ROCKS AND FOOTER ROCKS AND THE ANGLE AT WHICH THEY ARE TO BE INSTALLED SHALL BE
COORDINATED WITH THE CITY REPRESENTATIVE PRIOR TO PLACEMENT.
3. GEOTEXTILE IS TO BE PLACED BEHIND ENTIRE LENGTH OF IMBRICATED BOULDER BANK PROTECTION TO PREVENT BACKFILL AND NATURAL SOIL FROM
PIPING THROUGH THE PROTECTION. FABRIC SHALL BE TRIMMED AT THE FACE SUCH THAT NO FABRIC IS VISIBLE ABOVE THE FINISHED SURFACE.
4. ROCKS IN EACH SUCCESSIVE LAYER SHALL BE STAGGERED ATOP THE PREVIOUS LAYER, CREATING A SHINGLED EFFECT.
5. THE FRONT FACE OR OUTER SURFACE OF THE IMBRICATED BOULDER BANK PROTECTION ALONG THE EDGE OF WATER SHALL BE RELATIVELY EVEN AND
PRESENT A GENERALLY NEAT APPEARANCE. NO ROCKS SHALL PROTRUDE INTO THE CHANNEL.
6. CUTOFF ROCKS SHALL BE TRANSITION TO APPROXIMATELY 30 DEGREES INTO BANKS FOR TWO ROCK LENGTHS.
or
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
Wsp.com
NOTES
I TIMBER MATTING SHALL BE:
1.1, CONSTRUCTED OF LAMINATED
TIMBERS WITH A MINIMUM TOTAL
MAT THICKNESS OF 6 INCHES.
BOULDER DIMENTSIONS (FT)
STATION 1 LENGTH I WIDTH ; DEPTH
SEE PLAN 1 34 2-3 1-2
`FOOTER ROCK
NOTES:
t. SOIL LIFTS ARE TO BE CONSTRUCTED USING COIR FIBER MATTING AND SALVAGED'FURNISHED
TOPSOIL.
2, SOIL LIFTS ARE TO BE CONSTRUCTED IN 1 FOOT LIFTS MEASURED FROM TOP OF LIFT TO TOP OF LIFT.
AT LEAST THE TOP 6 INCHES OF EACH LIFT SHALL BE TOPSOIL. THE REMAINDER CAN BE COMPOSED OF
SALVAGED, EXCAVATED SOIL.
3. ROCK TOES AND FOOTER ROCKS FOR SOIL LIFTS ARE TO BE CONSTRUCTED USING BOULDERS WITH AN
APPROXIMATE SIZE OF 3.5' x 2.5' x 1.5'(L x W x H).
4 ROCK TOES FOR SOIL LIFTS ARE TO BE STACKED FLAT ATOP THE FOOTER ROCK AND SET 1 FOOT BACK
FROM THE FACE OF THE FOOTER ROCKS. THE ROCK TOE BOULDERS ARE TO BE STAGGERED RELATIVE
TO THE FOOTER ROCKS PRODUCING A SHINGLED PLACEMENT OF THE BOULDERS.
5. SEED MIXTURE, AS SPECIFIED IN THE PLANTING PLAN (SHEET 6) IS TO BE SPREAD ACROSS THE
EXPOSED FACES OF THE SOIL LIFTS. SEED MIXTURE IS 70 BE APPLIED 70 THE TOPSOIL LAYER PRIOR
TO COVERING WITH COIR FIBER MATTING.
6. LIVE STAKES ARE TO BE INSTALLED THROUGHOUT THE SOIL LIFTS PLACED ON A TRIANGULAR GRID AND
SEPARATED BY 1.5 FEET CENTER TO CENTER.
30' CUTOFF
ANGLE
PLAN VIEW BOULDER DIMENSIONS (FT)
STATION LENGTH WIDTH DEPTH
NOTES: SEE PLAN 5_6 34 1.5-2.5
1. IMBRICATED ROCK WALL SHALL BE CONSTRUCTED IN A GAP -FREE SEQUENCE.
2. SELECTION OF BOULDERS TO BE USED FOR TOP ROCKS AND FOOTER ROCKS AND THE ANGLE AT WHICH THEY ARE TO BE INSTALLED SHALL BE
COORDINATED WITH THE CITY REPRESENTATIVE PRIOR TO PLACEMENT.
3. GEOTEXTILE IS TO BE PLACED BEHIND ENTIRE LENGTH OF IMBRICATED BOULDER BANK PROTECTION TO PREVENT BACKFILL AND NATURAL SOIL FROM
PIPING THROUGH THE PROTECTION. FABRIC SHALL BE TRIMMED AT THE FACE SUCH THAT NO FABRIC IS VISIBLE ABOVE THE FINISHED SURFACE.
4. ROCKS IN EACH SUCCESSIVE LAYER SHALL BE STAGGERED ATOP THE PREVIOUS LAYER, CREATING A SHINGLED EFFECT.
5. THE FRONT FACE OR OUTER SURFACE OF THE IMBRICATED BOULDER BANK PROTECTION ALONG THE EDGE OF WATER SHALL BE RELATIVELY EVEN AND
PRESENT A GENERALLY NEAT APPEARANCE. NO ROCKS SHALL PROTRUDE INTO THE CHANNEL.
6. CUTOFF ROCKS SHALL BE TRANSITION TO APPROXIMATELY 30 DEGREES INTO BANKS FOR TWO ROCK LENGTHS.
$ $ $
St S.
$
BENCH$ $
t'
-.: ;1.
FOOTER `TOE ROCK
ROCK STREAM CHANNEL - EDGE
- CHANNEL
ROCK TOE WITH SOIL LIFT
NOT TO SCALE
Y
O
S
70 E
CL 55
duo
� o u
REVISIONS
TNO,ECf tl: MTE: 12-062018
DRAWN BY; m CHECKED BY: AW
TITLE
STREAM
DESIGN
DETAILS
SHEET
70F8
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
Wsp.com
NOTES
I TIMBER MATTING SHALL BE:
1.1, CONSTRUCTED OF LAMINATED
TIMBERS WITH A MINIMUM TOTAL
MAT THICKNESS OF 6 INCHES.
1.2. AT LEAST 2 FEET WIDER THAN"11111'!ry�
CONSTRUCTION
CARO( i
ANY EQUIPMENT
`
TRAVERSING THE MAT.
12`-16' OF SUCH A QUALITY THAT THEREo
1.3.
IS NO VISIBLE DEFLECTION
=2a SEAL1
A
DURING TRAVERSE
W=
1.4. OVERLAPPED A MINIMUM OF 2
FEET........
Z
1.5. INSTALLED PRIOR TO ANY
EQUIPMENT ACCESSING THE
AREAS WHERE MATTING HAS
BEEN DESIGNATED.
PRELIMINARY: NOT
2. THE CONTRACTOR SHALL PROVIDE
RELEASED FOR
ANY ALTERNATIVE TO THE TIMBER
MATTING DESCRIBED ABOVE TO THE
CONSTRUCTION
NC License # F-0165
CITY'S PROJECT MANAGER OR THE
ENGINEER FOR APPROVAL.
$ $ $
St S.
$
BENCH$ $
t'
-.: ;1.
FOOTER `TOE ROCK
ROCK STREAM CHANNEL - EDGE
- CHANNEL
ROCK TOE WITH SOIL LIFT
NOT TO SCALE
Y
O
S
70 E
CL 55
duo
� o u
REVISIONS
TNO,ECf tl: MTE: 12-062018
DRAWN BY; m CHECKED BY: AW
TITLE
STREAM
DESIGN
DETAILS
SHEET
70F8

FLOW
TRENCH IN ANCHOR TRENCH
MATTING ON I' CENTERS
ANCHOR OVERLAP
ON I' CENTERS
6' (MIN.) OVERLAP IN
DOWNSTREAM DIRECTION
COIR FIBER MATTING DETAIL
NOTE:
COIR FIBER MATTING TO BE FURNISHED AND INSTALLED IN
ACCORDANCEWITH THE CITY OF RALEIGH, UNIT PRICE
AGREEMENT- CONTRACTA. SECTION 02270.
COIR FIBER
MATTING
TOE MATTING INTO BENCH BY
INSTALLING SOIL MATERIAL AI
INSTALLATION OF MATTING
NO? ?0 SCAT. E.
12' ANCHORS
ON 3' CENTERS
2' x 2' x 24'
WOODEN STAKES
MATTING SHALL BE
PLACED IN TRENCH
AND BACKFILLED
—NATURAL GROUND
6' MIN
ANCHORS
,EEO AND STRAW
ANCHORS ON 3' CENTERS
BENCH MATERIAL —
2' x 2' x IB' HARDWOOD
BANK PROTECTION STAKES ON 3' CENTERS
COIR MATTING
NOT TO SCALL
BAG PLACED ON HIGH STRENGTH
DOUBLE STITCHED
AGGREGATE "J" TYPE SEAMS
SEWN W SPOUT
HIGH STRENGTH
STRAPPING FOR
HOLDING HOSE IN
PLACE
11r;Q: ,;;•Nn>,.i• i[ ';ic' WATER FLOW
.`Slri' ' �` •3N'' FROM PUMP
1~ 15',0" PUMP DISCHARGE
HOSE
OPENING
TOP VIEW ACCOMODATES
UP TO 4"
---- DISCHARGE
HOSE
AGGREGATE
UNDERLAYMENT SIDE VIEW
NOTE.
SILT CONTROL SYSTEM TO BE USED IN CONJUNCTION WITH
PUMP AROUND IF DEEMED NECESSARY BY SEDIMENT
CONTROL INSPECTOR.
DEWATERINGIFILTER BAG MATERIALS SPECIFICATIONS.
THE DEWATERINGIFILTER BAG SHALL BE MADE OF
NON -WOVEN GEOTEXTILE WITH A MINIMUM SURFACE AREA
OF 225 SQUARE FEET PER SIDE. ALL STRUCTURAL SEAMS
SHALL BE SEWN WITH A DOUBLE STITCH USING A DOUBLE
NEEDLE MACHINE WITH HIGH STRENGTH THREAD. THE
SEAM STRENGTH SHALL WITHSTAND 100LB/IN USING ASTM
DASH TEST METHOD. THE DEWATERINGIFILTER BAG
SHALL HAVE A NOZZLE LARGE ENOUGH TO ACCOMMODATE
A FOUR INCH HOSE. THE NOZZLE SHALL BE SEALED
TIGHTLY AROUND THE DISCHARGE HOSE WITH A STRAP OR
SIMILAR DEVICE TO PREVENT UNTREATED WATER FROM
ESCAPING. THE FABRIC SHALL BE A NON -WOVEN FABRIC
WITH THE FOLLOWING PROPERTIES:
WEIGHT ASTM D-3776 100Z/YO
GRAB TENSILE ASTM D-4632 270 LBS
PUNCTURE ASTM 0-4633 150 LBS
FLOW RATE ASTM D4491 70 GAUMIWSQ FT
PERMITIVITY ASTM D4991 1/1.3SEC
UV RESISTANCE ASTM G4355 70%
AOS % RETAINED ASTM D4751 100
CONSTRUCTION:
THE DEWATERINGIFILTER BAG SHALL BE INSTALLED OVER
A 3INCH GRAVEL BASE TO PROMOTE INFILTRATION AND
DEWATERING OF THE FILTER BAG.
DEWATERING DEVICE
NOT TO SCALE
APPROVED PLAN VIEW
DEWATERING DISCHARGE
DEVICE � HOSES —
A _ A
STREAM
DIVERSION
PUMPS
INTAKE
HOSE
IMPLEMENTATION SEQUENCE:
SEDIMENT CONTROL MEASURES, PUMP -AROUND PRACTICES. AND ASSOCIATED DREDGE CONSTRUCTION
SHOULD BE COMPLETED IN THE FOLLOWING SEQUENCE (REFER TO DETAIL).
I . THE CONTRACTOR SHOULD ONLY BEGIN WORK IN AN AREA WHICH CAN BE COMPLETED BY THE END
OF THE DAY AT THE END OF EACH WORK DAY, THE WORK AREA MUST BE STABILIZED AND THE PUMP
AROUND REMOVED WORK SHOULD NOT BE CONDUCTED IN THE STREAM DURING RAIN EVENTS.
2. SANDBAG DIKES SHOULD BE SITUATED AT THE ENDS OF THE WORK AREA AS SHOWN ON THE PLANS,
AND PONDED WATER SHOULD BE PUMPED AROUND THE WORK AREA. THE PUMP SHOULD DISCHARGE
ONTO A STABLE VELOCITY DISSIPATER MADE OF RIPRAP OR SANDBAGS.
3. WATER FROM THE WORK AREA SHOULD BE PUMPED TO A SEDIMENT FILTERING MEASURE SUCH AS A
DEWATERING BASIN, SEDIMENT BAG, OR OTHER APPROVED SOURCE- THE MEASURE SHOULD BE
LOCATED SUCH THAT THE WATER DRAINS DOWNSTREAM OF THE POND.
4. AFTER AN AREA IS COMPLETED AND STABILIZED. THE CLEAN WATER DIKE SHOULD BE REMOVED
AFTER THE FIRST SEDIMENT FLUSH, A NEW CLEAN WATER DIKE SHOULD BE ESTABLISHED FROM THE
OLD SEDIMENT DIKE. FINALLY, ESTABLISH ANEW SEDIMENT DIKE BELOW THE OLD ONE. AND RESUME
PUMPING TO THE APPROPRIATE END TREATMENT (VELOCITY DISSIPATOR OR DEWATERING DEVICE).
TEMPORARY PUMP AROUND
No? 10, S-A-,-
6
IDI oII
wl
IIII�N a
�SIDEVIEW
IIIIIIFRONT VIENON WARNING SIGN DETAIL
IIID■�■ ■■■�■11111
FLOW
W
FLOW
INTAKE
■■r:::;::::alu�
HOSE
r / �
SEDIMENT f
CLEAN WATER L_ SUMP -HOLE OR
DIKE —�
__1
DI POOL (12" TO 18"
PUMPS SHOULDI
DEEP T DIA.)
DISCHARGE ONTO A
WORK AREA LENGTH
STABLE VELOCITY
NOT TO EXCEED THAT
DISSIPATOR MADE OF
WHICH CAN BE
RIP RAP OR
COMPLETED IN ONE DAY
SANDBAGS
Section A -A
WEIGHT IMPERVIOUS
SHEETING WITH SANDBAG
coN
�
Q1
E _
WORK AREA
0
BASE FLOW + 1 FOOT
(2 FOOT MINIMUM)
CROSS SECTION OF
U
SANDBAG DIKE
IMPLEMENTATION SEQUENCE:
SEDIMENT CONTROL MEASURES, PUMP -AROUND PRACTICES. AND ASSOCIATED DREDGE CONSTRUCTION
SHOULD BE COMPLETED IN THE FOLLOWING SEQUENCE (REFER TO DETAIL).
I . THE CONTRACTOR SHOULD ONLY BEGIN WORK IN AN AREA WHICH CAN BE COMPLETED BY THE END
OF THE DAY AT THE END OF EACH WORK DAY, THE WORK AREA MUST BE STABILIZED AND THE PUMP
AROUND REMOVED WORK SHOULD NOT BE CONDUCTED IN THE STREAM DURING RAIN EVENTS.
2. SANDBAG DIKES SHOULD BE SITUATED AT THE ENDS OF THE WORK AREA AS SHOWN ON THE PLANS,
AND PONDED WATER SHOULD BE PUMPED AROUND THE WORK AREA. THE PUMP SHOULD DISCHARGE
ONTO A STABLE VELOCITY DISSIPATER MADE OF RIPRAP OR SANDBAGS.
3. WATER FROM THE WORK AREA SHOULD BE PUMPED TO A SEDIMENT FILTERING MEASURE SUCH AS A
DEWATERING BASIN, SEDIMENT BAG, OR OTHER APPROVED SOURCE- THE MEASURE SHOULD BE
LOCATED SUCH THAT THE WATER DRAINS DOWNSTREAM OF THE POND.
4. AFTER AN AREA IS COMPLETED AND STABILIZED. THE CLEAN WATER DIKE SHOULD BE REMOVED
AFTER THE FIRST SEDIMENT FLUSH, A NEW CLEAN WATER DIKE SHOULD BE ESTABLISHED FROM THE
OLD SEDIMENT DIKE. FINALLY, ESTABLISH ANEW SEDIMENT DIKE BELOW THE OLD ONE. AND RESUME
PUMPING TO THE APPROPRIATE END TREATMENT (VELOCITY DISSIPATOR OR DEWATERING DEVICE).
TEMPORARY PUMP AROUND
No? 10, S-A-,-
6
IDI oII
wl
IIII�N a
�SIDEVIEW
IIIIIIFRONT VIENON WARNING SIGN DETAIL
IIID■�■ ■■■�■11111
11,::::1:::=:;:;
■■r:::;::::alu�
CLEAN OUTCAT 33% CAPACITY
•a'e°:
LIFE OF
M�sss
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-9 MONTHS
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FRONT VIE
NOTES
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SIDE VIEW
434 Fayetteville St
Suite 1500
Raleigh, NC 27601
[phone]
wsp.com
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PRELIMINARY: NOT
RELEASED FOR
CONSTRUCTION
NC License # F-0165
REVISIONS
PROlECL 4. DAlF. 12—m;
I mBY' JWB CNECNFD BY;M
TITLE
EROSION CONTROL
DETAILS
SHEET
8 OF 8
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REVISIONS
PROlECL 4. DAlF. 12—m;
I mBY' JWB CNECNFD BY;M
TITLE
EROSION CONTROL
DETAILS
SHEET
8 OF 8