20180975 Ver 2_Mit Plan for PN_20200309

ID#* 20180975 Version* 2
Select Reviewer:*
Katie Merritt
Initial Review Completed Date 02/26/2020
Mitigation Project Submittal - 2/26/2020
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Type of Mitigation Project:*
r- Stream r Wetlands V Buffer V Nutrient Offset
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Project Contact Information
Contact Name:*
Timothy Morris
Project Information
...............................................................................................................................................................................
ID#:* 20180975
Existing IDI
Project Type: r DMS r Mitigation Bank
Project Name: Black Bull Buffer Mitigation Plan
County: Alamance
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*2
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Mitigation Plans
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Buffer Mitigation and Nutrient Offset Plan
Black Bull Restoration Site
Cape Fear River Basin
Jordan Lake Watershed, Haw River Arm
HU 03030002040080, South Prong Stinking Quarter Creek
February 2020
PREPARED BY:
K C I
KCI Associates of North Carolina, PC
4505 Falls of Neuse Rd, Suite 400
Raleigh, NC 27609
[phone]

Table of Contents
1.0
PROJECT LOCATION AND DESCRIPTION............................................................................................1
1.1
Introduction..................................................................................................................................1
1.2
Parcel Location..............................................................................................................................1
2.0
PROJECT AREA — EXISTING CONDITIONS..........................................................................................1
2.1
Parcel Features..............................................................................................................................2
2.2
Parcel Soils....................................................................................................................................3
2.3
Existing Vegetative Communities.................................................................................................3
2.4
Threatened and Endangered Species...........................................................................................3
2.5
Cultural Resources........................................................................................................................4
3.0
PROPOSED RIPARIAN RESTORATION, ENHANCEMENT, AND PRESERVATION PLAN........................4
3.1
Parcel Preparation........................................................................................................................4
3.2
Riparian Restoration and Planting Plan........................................................................................5
3.3
Riparian Enhancement..................................................................................................................5
3.4
Riparian Preservation....................................................................................................................6
4.0
MONITORING AND MAINTENANCE PLAN.........................................................................................6
4.1
Monitoring Protocol......................................................................................................................6
4.2
Parcel Maintenance......................................................................................................................7
4.3
Easement Boundaries and Fencing...............................................................................................7
4.4
Ownership and Long -Term Management.....................................................................................7
5.0
FINANCIAL ASSURANCE.....................................................................................................................8
6.0
MITIGATION POTENTIAL...................................................................................................................8
7.0
REFERENCES....................................................................................................................................11
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site
Jordan Lake, Haw Arm
i

TABLES
Table 1. Viable Hydrologic Features..............................................................
Table 2. Parcel Soil Characteristics................................................................
Table 3a. Planting List —Woody Species........................................................
Table 3b. Planting List — Permanent Herbaceous Seed Mix ..........................
Table 4. Planned Maintenance......................................................................
Table 5. Credit Determination Summary.......................................................
Table 6. Maximum Potential Nutrient Offset Credit Conversion ...................
Table 7. Credit Release Schedule...................................................................
FIGURES
........................................... 3
........................................... 3
........................................... 5
........................................... 5
........................................... 7
........................................... 9
.........................................10
.........................................10
Figure1. Service Area Map.........................................................................................................................15
Figure2. Vicinity Map.................................................................................................................................16
Figure3. Site Map.......................................................................................................................................17
Figure4. Soils Map......................................................................................................................................18
Figure5. Buffer Mitigation Map.................................................................................................................19
APPENDIX
Detailed Credit Table
DWR Stream Determination Letter 10/9/2018
NCDWR Site Viability Letter 11/15/2018
Conservation Easement and Plat
USFWS Response Letters 5/15/2018 and 10/1/18
NC SHPO Response Letter 10/1/2018
NC Natural Heritage Program Response Letter 10/24/2018
Parcel Photo Log
Historic Aerial Photographs
Construction Plan Sheets
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site
Jordan Lake, Haw Arm
ii

1.0 PROJECT LOCATION AND DESCRIPTION
1.1 Introduction
The Black Bull Buffer Mitigation and Nutrient Offset Bank Parcel ("Parcel") is a buffer mitigation and
nutrient offset bank being proposed to the North Carolina DEQ, Division of Water Resources (DWR) under
the conditions of the Black Bull Mitigation Banking Instrument made and entered into by KCI Technologies,
Inc. This Buffer Mitigation and Nutrient Offset Plan (Plan) has been developed following the guidelines
and rules found in the Consolidated Buffer Rules 15A NCAC 02B .0295 for riparian buffer mitigation and
15A NCAC 02B .0240 for nutrient offset. The Parcel is located in west -central portion of Alamance County
on land currently mostly used for agriculture and grazing. The Parcel offers the chance to restore impacted
pasture and agricultural lands to forested, functional riparian areas. A concurrent stream and wetland
mitigation plan has been submitted to the US Army Corps of Engineers, Wilmington District, and its North
Carolina Interagency Review Team (IRT) as well.
The Parcel has been designed to provide buffer mitigation and nutrient offset credits for unavoidable
buffer and nutrient impacts within the Haw Arm of the Jordan Lake watershed. There are four main project
tributaries (T1, T2, T3, and T4) to South Prong Stinking Quarter Creek along with two ephemeral drainages
(T2-1 and T5). The project is anticipated to produce approximately 16.64 acres of riparian buffer mitigation
and/or nutrient offsets where eligible. In general, most of the riparian areas dedicated to riparian buffer
mitigation or nutrient offset will be a minimum of 50' from tops of banks and a maximum of 200' from
tops of banks. A vicinity map of the Parcel is shown in Figure 1 and the proposed service area is displayed
on Figure 2.
1.2 Parcel Location
The Parcel is located in west -central Alamance County north of the intersection of Friendship Rock Creek
Road and Boyd Wright Road with a centroid of approximately 35.9803 N,-79.4845 W. The bottom of the
Parcel is approximately 4,000 linear feet upstream from the South Prong Stinking Quarter Creek. The
project is located in the Jordan Lake Watershed, Haw River Arm, South Prong Stinking Quarter Creek HU
03030002040080. The site may produce 2,249.36 Ib/ac of nitrogen offset at a 53% delivery factor or
143.81 Ib/ac of phosphorus offset at 51% delivery factor. The project is found in the USGS Snow Camp
Quadrangle.
2.0 PROJECT AREA — EXISTING CONDITIONS
The Parcel has experienced significant landscape and vegetative modifications to allow for agriculture and
livestock management along the four project streams, T1, T2, T3, and T4. This is evidenced by direct runoff
from agricultural open space along parts of the stream where there is no riparian buffer and that livestock
have direct access to the project reaches. Parcel photographs are provided in the appendix from January
2019; there have been no changes in any way compared to what was observed and noted in the site
viability letter.
T1 begins at the southwestern boundary of the property, approximately 330 linear feet (If) downstream
of Friendship Rock Creek Road. The project reach begins just downstream of an existing ford crossing.
There is a partial canopy provided by isolated riparian species, but the trees are small early successional
individuals. The stream has been channelized, and agricultural fields are located immediately adjacent to
both sides of the stream. During channelization or as part of agricultural practices, spoil piles have been
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
1

placed along the tops of the stream banks in many locations. These spoil piles have become partially
vegetated, but they prevent diffuse flow through the riparian areas.
From the confluence with T2, T1 continues to flow north for approximately 432 If through agricultural
fields until it reaches a treeline. Downstream of this point, the stream leaves agricultural land and enters
a partially forested reach. After another 795 If, T1 passes under a fenceline and enters a partially forested
pasture. There are scattered riparian species and Chinese privet present in this section. After leaving the
project easement, T1 continues for approximately 4,000 If before reaching the confluence with South
Prong Stinking Quarter Creek, the nearest named stream.
T2 comes onto the project at the southeastern corner of the easement as an intermittent stream. This
section of T2 has mature trees surrounding it, but still has been impacted by grazing that has degraded
the banks and limited the development of an understory riparian community. After 299 If, the stream
meets an incoming unnamed ephemeral channel and transitions to a perennial stream. Part of the stream
flow is then routed through a 0.6-acre farm pond, and the rest of the flow continues around the southern
edge of the pond. Shortly after the pond, another ephemeral drainage, T2-1, enters from the north.
Downstream of this confluence, the land use transitions to a more heavily impacted pasture with fewer
mature trees; cattle wallow areas are common. T2 flows for another 558 If after the confluence with T2-
1 until it reaches Friendship Rock Creek Road. Another ephemeral drainage, T5, enters T2 just upstream
of the road; it has no riparian vegetation and runs through pasture. Downstream of the road, T2 has
limited, sparse riparian vegetation and frequent spoil piles along the channel; beyond that are agricultural
fields.
T3 is an intermittent stream that flows out of a pond and through approximately 1,240 If of agricultural
land before reaching the project easement. Once on -site, the stream then travels 277 If until the
confluence with T1. There is a partially forested buffer that is providing rooting strength to the channel,
but cattle also have access to the stream and have further degraded the stream banks. T4 is in a similar
landscape position to T3 and is fed by a pond approximately 1,000 If upstream of the project. Above the
site, T4 flows through forested land until it comes onto the Parcel just upstream of the end of T1.
Historic aerials were examined for any information about how the site has changed over recent history
and are included in the Appendix from 1950, 1964, 1973, 1980, 1993, and 2014. From this photographic
record, it is apparent that the area surrounding the project site has been used for agriculture for many
years. In the 1950 aerial, the site had already been cleared and was being utilized for agriculture. Between
1950 and 1964, the farm ponds upstream of the site's tributaries were constructed. The site and
surrounding area has remained relatively unchanged since 1964.
2.1 Parcel Features
The following hydrologic features listed in Table 1 and shown in Figure 3 are eligible for buffer mitigation
and/or nutrient offset. A representative from the North Carolina DEQ, DWR performed a site viability
determination for riparian buffer mitigation and nutrient offset potential on October 30, 2018 and KCI
received a viability letter dated November 15, 2018. The letter is included in the Appendix. Two of the
features identified by DWR (T6 and T7) are ditches and have not been included in this project for credit.
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
2

Table 1. Viable Hvdrologic Features
Feature
Name
Feature ID from
DWR Assessment
Stream Type
Buffer Credit
Viable
Nutrient Offset Viable
T1(a)
T1(a)
Perennial
Yes
Yes for agricultural fields only
T1(b)
T1(b)
Perennial
Yes
No
T1(c)
T1(c)
Perennial
Yes
Yes for non -forested areas only
T2(a)
T2(a)
Intermittent
Yes
Yes for non -forested areas only
T2(b)
T2(b)
Intermittent
Yes
I Yes for agricultural fields only
T2-1
T2-1
Ephemeral
Yes
Yes for non -forested pasture only
T5
T5
Ephemeral
Yes
Yes for non -forested pasture only
2.2 Parcel Soils
According to the Alamance County Soil Survey, the soils within the project site are mapped as Chewacla
loam and Enon clay loam (see Figure 4) (USDA 2018).
Table 2. Parcel Soil Characteristics
Soil Name
Location
Description
Chewacla (ChA)
Mapped along all of T1,
Chewacla is frequently flooded and found on flood plains on river valleys. The
T2(b), T3, and T4
parent material consists of loamy alluvium derived from igneous and
metamorphic rock. The natural drainage class is somewhat poorly drained.
Enon clay loam
Mapped along T2(a), T2-
The Enon series consists of very deep, well drained, slowly permeable soils on
(EoC2)
1, and T5
ridgetops and side slopes in the Piedmont. They have formed in residuum
weathered from mafic or intermediate igneous and high-grade metamorphic
rocks such as diorite, gabbro, diabase, or hornblende gneiss or schist. The
parent material consists of residuum weathered from diorite and/or gabbro
and/or diabase and/or hornblende gneiss.
2.3 Existing Vegetative Communities
The majority of the Parcel consists of active pasture and agricultural fields interspersed with mature
overstory species in select locations. The beginning of T1(a) is within existing agricultural fields with sparse
riparian vegetation running along the tops of the banks with species such as red maple (Acer rubrum),
sugarberry (Celtis laevigata), eastern redcedar (luniperus virginiana), and sweet gum (Liquidambar
styraciflua). T1(b) enters a section with a wider forested riparian area of similar species plus mixed oaks
and green ash (Fraxinus pennsylvanica), but still lacking an understory community. Chinese privet
(Ligustrum sinense) is also scattered throughout the buffers of T1(b) and T1(c). At the bottom of the
project, both T3 and T4 have similar vegetative community types as T1(c).
At the top of T2(a), the vegetation consists of red maple, mixed oaks, sweetgum, and sugarberry, but has
no viable understory due to grazing. Further down on T2(a) within pasture, there are fewer mature trees;
scattered redcedar are found along the tops of the bank. T2-1 has dense Chinese privet along its upper
portion, and T5 has no established vegetation. Below Friendship Rock Creek Road, T2(b) has the same
type of limited riparian vegetation as found along T1(a) in between agricultural fields.
2.4 Threatened and Endangered Species
The US Fish and Wildlife Service's list of endangered and threatened species for Alamance County was
reviewed. The only species listed for the County is the Cape Fear Shiner (Notropis mekistocholas). We
communicated with USFWS for this species and they stated that minimal adverse impacts to fish and
wildlife resources are anticipated and that there was no objection to the proposed activity (see Appendix
for documentation). An inquiry to the North Carolina's Natural Heritage Program noted the presence of
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
3

the Natural Heritage Area of the Rock Creek Upland Depressions located in the forested area immediately
upstream of T2. The area consists of basic oak -hickory forest (Element Occurrence 16064) and upland
depression swamp forest (Element Occurrence 16540). The proposed work on the Parcel will not impact
these areas.
2.5 Cultural Resources
There are seven registered historic places within a one -mile radius of the subject property. Three of these
sites are listed as "gone" (AM0090 — Coble Log House, AM0097 — W.C. Coble House, and AM0147 —
Friendship Methodist Church). The remaining four sites are listed as "surveyed only" (AM0222 — Jordan
Isley House, AM0303 — Martin Moser House, AM0328 — G.W. Patterson House, and AM0523 — Pike
House). A request for project review to North Carolina's State Historic Preservation Office found no
historic resources that would be affected by the project (see Appendix).
3.0 PROPOSED RIPARIAN RESTORATION, ENHANCEMENT, AND PRESERVATION PLAN
3.1 Parcel Preparation
The proposed work at the Parcel will consist of the ecosystem restoration of riparian areas, streams, and
degraded wetlands in order to uplift the functional capabilities of this integrated stream and wetland
system. All of the riparian areas will be protected with a minimum of a 50'-wide conservation easement;
the only exceptions to this are found at the top of T1(a) as the stream comes onto the Parcel at an angle,
thus reducing the riparian width in this location. The project riparian buffers and other riparian areas will
be planted as outlined in Section 3.2 and as shown on the project plan sheets in the Appendix. The riparian
buffer credit and nutrient offset credit determination are outlined in Figure 5.
The project streams (T1-T4) and ephemeral drainages (T2-1 and T5) will all be improved as part of a
concurrent stream and wetland mitigation bank. The proposed activities described in this Plan include
restoring, enhancing, and preserving riparian areas adjacent to mitigated streams. Streams proposed for
stream mitigation are described in detail in the Black Bull Stream and Wetland Mitigation Plan. All riparian
activities will occur in conjunction with stream and wetland construction activities and not before.
Improvements to each of these features has been proposed based on the level of departure each of them
exhibit from a stable stream system. In addition, approximately 3 acres of riparian wetland restoration
will be implemented along portions of T2. As part of the wetland restoration, the farm pond will be
drained and converted back to riparian wetland. No riparian buffer or nutrient offset credits are proposed
within the pond bottom footprint.
There are also three proposed culverted crossings that will be installed in addition to the existing crossing
over Friendship Rock Creek Road; two ford crossings will be eliminated as a result. These crossings are
necessary to provide private landowner access and will reduce sediment inputs typical from ford
crossings. Additional water quality improvements will come from three water detention structures that
will be installed within the easement at the end of field ditches to allow for water quality treatment: two
structures on agricultural ditches identified by DWR as T6 and T7 entering T1(a) and one structure on T5
where it enters T2(a). These proposed structures will be approximately 50' long by 20' wide to allow for
ponding and settling and each will have a rock outlet directing outflow into the respective streams. These
structures will be planted similarly to the proposed restoration areas outlined in Section 3.2, but will not
be used to generate riparian buffer or nutrient offset credit. The project construction plans included in
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
4

the appendix show a typical detail for these structures on Sheet 4, and the three proposed locations are
indicated on Sheets 6, 7, and 10.
3.2 Riparian Restoration and Planting Plan
All riparian areas proposed for restoration will be planted to establish a diverse forested riparian
condition. Trees will be planted at a density of 968 stems per acre (9 feet x 5 feet spacing). Woody
vegetation planting will be conducted during dormancy. Sheets 14-16 in the projects construction plans
included in the appendix show the proposed planting lists and areas; native herbaceous planting mixes
suitable for either winter or summer periods are shown on Sheet 20. Woody species to be planted may
consist of the following and any substitutions from the planting plan will be taken from this list below:
Table 3a. Planting List — Woody Species
Common Name
Scientific Name
Wetland Status (Eastern Mts
& Piedmont)
Layer
River Birch
Betula nigra
FACW
Canopy
Sugarberry
Celtis laevigata
FACW
Subcanopy
Flowering Dogwood
Cornus florida
FACU
Subcanopy
Persimmon
Diospyros virginiana
FACW
Subcanopy
Green Ash
Fraxinus pennsylvanica
FACW
Canopy
Tulip Poplar
Liriodendron tulipifera
FACU
Canopy
American Sycamore
Platonus occidentalis
FACW
Canopy
Swamp Chestnut Oak
Quercus michauxii
FACW
Canopy
Willow Oak
Quercus phellos
FAC
Canopy
River Birch
Betula nigra
FACW
Canopy
Table 3b. Planting List — Permanent Herbaceous Seed Mix
Common Name
Scientific Name
% of Mix
LB/acre
Autumn Bentgrass
Agrostis perennans
10
3.0
Big Bluestem
Andropogon gerordii
8
2.4
Lanceleaf Coreopsis
Coreopsis lanceolate
10
3.0
Virginia Wild Rye
Elymus virginicus
15
4.5
Soft Rush
Juncus effusus
3
0.9
Switchgrass
Panicum virgatum
10
3.0
Black -Eyed Susan
Rudbeckia hirta
10
3.0
Little Bluestem
Schizachyrium scoparium
3
0.9
Indian Grass
Sorghastrum nutans
3
0.9
Eastern Gamma
Tripsacum dactyloides
3
0.9
SUBTOTAL
75
22.5
Winter Nurse Species (August 15-May 15)
Rye Grain I Secole cereal 25 7.5
Summer Nurse Species (May 15-August 15)
Pearl Millet Pennisetum glaucoma
25
7.5
TOTAL
100
30
3.3 Riparian Enhancement
Riparian enhancement is proposed for areas outlined in the DWR site viability determination from
October 30, 2018 where there is a mature or partially mature overstory of trees, but a limited understory
in active pasture areas. Enhancement actions in these areas will involve fencing out all livestock to allow
native herbaceous vegetation to become reestablished. Fencing to be installed is denoted on the
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
5

Boundary Marking Plan (Sheets 17-19) in the project construction plans in the appendix. Invasive species,
primarily Chinese privet, will also be treated in these areas. In particular, a monoculture of Chinese privet
along Tributary 2-1 will be treated as shown on Sheet 9 in the plans. Mechanical removal (including
grubbing) will occur throughout the stream construction phase. Any debris from mechanical removal of
privet and other invasive species will be burned on site as needed and according to the provided sediment
and erosion control plans (Sheets 20-29). Following mechanical removal, KCI will follow up during the
construction and monitoring phases with chemically treatment of the invasive species. Typical topical
chemical treatment of Chinese privet involves using a tank mix of active ingredients triclopyr and
glyphosate throughout the riparian areas of the easement using backpack sprayers.
3.4 Riparian Preservation
Riparian preservation will include the existing riparian areas along T1(a) and T2(b) that run adjacent to
agricultural fields. No additional action is proposed in these areas aside from restoring the project streams
and treating any invasive species encountered.
4.0 MONITORING AND MAINTENANCE PLAN
4.1 Monitoring Protocol
Vegetation monitoring will take place between the end of August and mid -December. The success of the
riparian plantings will be evaluated using fourteen 0.02-acre square or rectangular plots within the
restored riparian buffer in order to cover the 11.34 acres of riparian buffer restoration and enhancement
(excluding enhancement areas in forested pasture). Eight plots will be permanently installed, while the
remaining six will be randomly placed at the time of each monitoring visit. Vegetation must be planted
and plots established at least 180 days prior to the start of the first year of monitoring.
In the permanent plots, the plant's height, species, location, and origin (planted versus volunteer) will be
noted. In the random plots, species and height will be recorded. Height will be used as a determination of
plant vigor. In all plots, exotic and invasive stems will also be included in the stem counts, but not be
counted towards the success criteria and will be monitored and treated so that none become dominant
or alter the desired plant community of the site. Additionally, a photograph will be taken of each plot.
Beginning at the end of the first growing season and no sooner than 5 months following planting, KCI will
monitor the planted vegetation for riparian area success in monitoring years 1, 2, 3, 4, and 5 or until DWR
approval is obtained.
The vegetation within the areas proposed for riparian buffer credit must contain 260 stems per acre at
the end of five years of monitoring. There should be a minimum of four native hardwood tree species with
no species greater than 50% of the stems. For any volunteer tree stem to count toward vegetative success,
it must be a species approved by the DWR, which could include species from the approved planting list
included in Section 3.2 of this Plan.
An annual site walk will be conducted by KCI at the end of each monitoring period to document any
problem areas. The findings of the visual assessment as well as any recommended corrective actions for
problem areas will be summarized in the monitoring reports. KCI will monitor the Stream and Wetland
Mitigation Bank for 7 years or until release by IRT approval. Therefore, some plots placed within riparian
restoration areas that are generating riparian buffer or nutrient offset credit may be monitored beyond
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
0

the 5 years as required by DWR under 15A NCAC 02B .0295 (n)(4). DWR will only assess the vegetation
conditions of plots monitored under this Buffer Mitigation Nutrient Offset Plan.
4.2 Parcel Maintenance
The Parcel will be monitored on a regular basis, with a physical inspection of the site conducted a
minimum of once per year throughout the post -construction monitoring period. These site inspections
may identify site components and features that require routine maintenance. Maintenance needs or
actions will be recorded in the annual monitoring reports. The following items are examples of the
potential maintenance issues that may arise at the Parcel.
Table 4. Planned Maintenance
Component/Feature
Maintenance Through Project Close -Out
Vegetation shall be maintained to ensure the health and vigor of the targeted plant
Vegetation
community. Any vegetation control requiring herbicide application will be performed in
accordance with NC Department of Agriculture (NCDA) rules and regulations.
Site boundaries shall be identified in the field to ensure clear distinction between the
mitigation site and adjacent properties. Boundaries may be identified by fence, marker,
Site Boundary
bollard, post, tree -blazing, or other means as allowed by site conditions and/or
conservation easement. Boundary markers disturbed, damaged, or destroyed will be
repaired and/or replaced on an as needed basis up until the project is closed out.
The site will be monitored for the presence of beaver or other fauna that may impact the
Beaver and Other
success of the project. Adaptive management approaches will be used to evaluate whether
Nuisance Fauna
or not beaver or their structures or other animals should be controlled or managed at the
site.
In order to comply with 0295 (o)(6), KCI will conduct a visual assessment in order to
determine that:
• Fencing is in good condition throughout the site;
Cattle Exclusion
no cattle access within the conservation easement area;
Areas
no encroachment has occurred;
• diffuse flow is being maintained in the conservations easement area; and
• there has not been any cutting, clearing, filling, grading, or similar activities that
would negatively affect the functioning of the riparian buffer.
4.3 Easement Boundaries and Fencing
The project will be demarcated with easement markers spaced along the boundary a maximum of every
100'. Livestock exclusion fencing will be installed on T2(a), T2-1, and T5 above Friendship Rock Creek Road
and along T1(c) and T3 where active grazing still takes place.
4.4 Ownership and Long -Term Management
The Parcel shall be established under the terms and conditions of the MBI referenced in Section 1.0 of
this Plan. The privately -owned land required for the construction, management, and stewardship of the
project will be protected under a permanent conservation easement. The easement document and plat
are included in the Appendix.
The Point of Contact for the sponsor is:
Tim Morris, Project Manager
KCI Technologies, Inc.
4505 Falls of Neuse Road, Suite 400
Raleigh, NC 27609
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
7

Phone [phone] / Fax [phone] / [e-mail]
The easement will be held by Atlantic Coast Conservancy (ACC). They shall be responsible for periodic
inspection of the site to ensure that restrictions required in the conservation easement are upheld.
5.0 FINANCIAL ASSURANCE
After approval of this Plan for the Parcel by DWR, the Bank Sponsor shall furnish a performance bond from
a surety that is rated no less than an "A" as rated by A.M Best in the amount of 100% of the reasonable
estimate to complete buffer mitigation in accordance with the Plan. The Bank Sponsor shall ensure the
Performance Bond shall remain in effect in the full amount required by this MBI throughout the
performance of construction and planting to establish and restore riparian buffers and other riparian
areas in accordance with the Plan. The fully funded amount will be $175,000. In lieu of posting the
performance bond, the Bank Sponsor may elect to construct the project prior to the first credit release.
In that case no performance bond will be necessary. After completion of the restoration/construction, a
separate performance monitoring/maintenance bond will be secured for 100% of the estimated cost to
implement the monitoring and maintenance plan (estimated at $75,000), but not less than $100,000. The
performance monitoring/maintenance bond shall apply at the inception of the monitoring period for a
term of two years, to be renewed every two years for a minimum of five years. Upon DWR approval, this
bond premium may be lowered each year based on the adjusted cost to complete the monitoring and
maintenance work. Confirmation of renewal will be provided to DWR with each annual monitoring report.
DWR reserves the right to alter the credit release schedule if monitoring reports are submitted without
proof of bond renewals. Financial assurances in the form of bonds provided in this section must be
separate from the financial assurances provided as part of the stream and wetland mitigation bank.
6.0 MITIGATION POTENTIAL
The project easement will protect 22.1 acres for the totality of the buffer mitigation, nutrient offset, and
stream and wetland mitigation components. Of this, 16.64 acres are dedicated to generating riparian
buffer credits, which excludes areas within the wetted perimeters of the streams, wetland mitigation, and
land ineligible for buffer credit (pines). Within this buffer mitigation credit area, 9.31 acres of land have
been determined by DWR as being agricultural and worthy of riparian restoration and thus are eligible for
either buffer credit or nutrient offset credit, but not both, based on DWR's site viability assessment. If KCI
elects to use any of the 9.31 acres for nutrient offset credits instead of riparian buffer credits, then based
on delivery factors for the 14-digit (HU 03030002040080 South Prong Stinking Fork Creek), the Parcel is
expected to produce a maximum of 11,057.46 lb of nitrogen offset at 2,249.36 Ib/ac with a 53% delivery
factor or 680.27 lb of phosphorus offset at 143.81 Ib/ac with a 51% delivery factor. Table 5 below outlines
the total asset summary proposed at the site; Table 6 presents the alternative crediting scenario for
conversion of remaining buffer to nutrient credit for the eligible 9.31 acres. A detailed table showing the
calculations per tributary, buffer width category, and mitigation type is included in the Appendix. The
Sponsor must submit a written request and receive written approval from DWR prior to any credit
conversions and transfers to the riparian buffer and nutrient offset credit ledgers. With each conversion
and transfer request submitted to the DWR, the Sponsor will provide all updated credit ledgers showing
all transactions that have occurred up to the date of the request. All transactions must be compliant with
the MBI prior to DWR approving the transfer request.
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
8

Table S. Credit Determination Summary
Feature Type
Riparian
Zone
Credit Type
Buffer Treatment
Existing
Acreage
Creditable
Acreage
Riparian
Buffer Mitigation Credits
Nutrient Offset Credits***
Ratio
% Full Credit
acres
sq feet
Nitrogen
Phosphorus
Generated
Credits
Delivered
Credits
Generated
Credits
Delivered
Credits
>20'TOB-
< 30'
Riparian Buffer
Riparian Restoration
0.02
0.02
1:1
75%
0.01
499
>20'TOB-
< 50'
Riparian Buffer
Riparian Restoration
0.03
0.03
1:1
100%
0.03
1,293
TOB - 50'
Riparian Buffer
Riparian Restoration
6.95
6.95
1:1
100%
6.98
302,689
51-100'
Nutrient Offset
Riparian Restoration
2.86
2.86
-
-
-
-
6,430.92
3,407.96
411.15
209.66
51-100'
Riparian Buffer
Riparian Restoration
0.14
0.14
1:1
100%1
0.14
6,042
Intermittent
101-200'
Riparian Buffer
Riparian Restoration
0.30
0.30
1:1
33%
0.10
4,240
TOB - 50'
Riparian Buffer
Riparian Enhancement
3.42
3.42
2:1
100%
1.71
74,564
51-100'
Riparian Buffer
Riparian Enhancement
0.81
0.81
2:1
100%
0.41
17,682
101-200'
Riparian Buffer
Riparian Enhancement
0.27
0.27
2:1
33%
0.04
1,916
TOB - 50'
Riparian Buffer
Riparian Preservation
1.29
1.29
10:1
100%
0.13
5,628
51-100'
Riparian Buffer
Riparian Preservation
0.01
0.01
10:1
100%
<0.01
39
Subtotal 16.09
9.52
414,591
6,430.92
3,407.96
411.151
209.66
>20'TOB-
< 50'
Riparian Buffer
Riparian Restoration
0.18
0.18
1:1
100%
0.18
7,975
TOB - 50'
Riparian Buffer
Riparian Restoration
0.11
0.11
1:1
100%
0.11
4,624
Ephemeral*
51-100'
Riparian Buffer
Riparian Restoration
<0.01
<0.01
1:1
100%
<0.01
28
TOB - 50'
Riparian Buffer
Riparian Enhancement
0.25
0.25
2:1
100%
0.13
5,510
51-100'
Riparian Buffer
Riparian Enhancement
<0.01
<0.01
2:1
100%
<0.01
56
Subtotal
1 0.55
0.421
18,1911
0
0
i 0
0
Total
16.64
9.94
432,783
6,430.92
3,407.96 1 411.15
209.66
Total Restoration
7.72
7.52
327,390
Total Enhancement
4.76
2.29
99,727
Total Preservation**
1.30
0.13
5,666
Total Nutrient Offset
2.86
* Ephemeral features make up 4% of the square footage of creditable buffer mitigation; **Preservation features make up 9% of the square footage of creditable buffer mitigation.
*** Delivery factors of 53% and 51% used for nitrogen and phosphorus, respectively.
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Table 6. Maximum Potential Nutrient Offset Credit Conversion
Credit per Acre
Generated
Delivery Factor
Feature Type
Zone
Treatment
Creditable
(Ibs/acre)
Credits (Ibs)
(Ibs/30 yrs)
Delivered Credits
Type
Acreage
N
P
N
P
N
P
N
P
Riparian
TOB - 50'
6.12
2,249.36
143.81
13,769.59
880.34
53%
51%
7,297.88
448.97
Restoration
Riparian
51-100'
2.86
2,249.36
143.81
6,430.11
411.10
53%
51%
3,407.96
209.66
Restoration
Intermittent
Riparian
101-200'
0.30
2,249.36
143.81
663.44
42.42
53%
51%
351.62
21.63
Restoration
Subtotal
9.28
20,863.141,333.86
11,057.46
680.27
Riparian
TOB - 50'
0.03
2,249.36
143.81
72.45
4.63
53%
51%
38.40
2.36
Restoration
Riparian
Ephemeral
51-100,
<0.012,249.36
143.81
1.42
0.09
53%
51%
0.75
0.05
Restoration
Subtotal
0.03
73.87
4.72
39.15
2.41
Total
9.31
20,937.01
1,338.58
11,096.61
682.68
Note: Riparian Restoration Areas in this table
represent only areas within
aericultural fields.
Four project ledgers will be maintained for the Parcel:
- Buffer Restoration including all areas viable for buffer mitigation AND nutrient offset credit (as
shown in Table 6).
- Buffer Restoration areas ineligible for nutrient offset conversion, Enhancement, and Preservation
buffer mitigation.
Nitrogen offset in pounds and acres.
Phosphorus offset in pounds and acres.
Transactions will be reviewed by DWR during the annual credit sale audit. The credit release schedule is
shown in Table 7.
Table 7. Credit Release Schedule
Task
Project Milestone
Percent Credit
Available for Sale
1
Instrument and Plan Approved by DWR, Conservation Easement Recorded* and Financial
Assurance Posted
25
2
Mitigation Site Earthwork, Planting and Installation of Monitoring Devices Completed, all
applicable permits obtained
20
3
Monitoring Financial Assurance Posted and Approval of As -Built Report
10
4
Monitoring Report #1: Approved by the DWR and financial assurance renewed
10
5
Monitoring Report #2: Approved by the DWR and financial assurance renewed
10
6
Monitoring Report #3: Approved by the DWR and financial assurance renewed
10
7
1 Monitoring Report #4: Approved by the DWR and financial assurance renewed
5
8
1 Monitoring Report #5: Approved by the DWR and final site visit by DWR has been conducted
10
Total
100%
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
10

7.0 REFERENCES
USDA, Natural Resources Conservation Service. 2019. Web Soil Survey. Last accessed at:
http://websoiIsurvey.sc.egov.usda.gov/App/WebSoiISurvey.aspx
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
11

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
12

FIGURES
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
13

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake, Haw Arm
(Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)
14

ROCKINGHAM I CASWELL I PERSON
Proposed Easement (22.1 ac)
Y
Alamance
L\
GUILFORD 11
R4
ALA
MANCE ORANGE Qoc
RANDOLPH CHATHAM
LEE
Be�lemont Aiamat%oc Rd
N,S
u
A
a 'N'9 62 — a
G Hi 9t' �
5N m
E
Y
01
11. G
�a
e
2ci
Q
c
Misr ay ._. ./%
s
FIGURE 1. PROJECT VICINITY MAP N
0 1,500 3,000 BLACK BULL BUFFER MITIGATION AND NUTRIENT OFFSET BANK Image Source: ESRI
Feet ALAMANCE COUNTY, NC A World Street Map
Buffer Mitigation and Nutrient Offset Plan Black Bull Buffer Mitigation and
212020 15 Nutrient Offset Bank

Ma EE an
bl lson
ii
dal e
Summertield
O d Ridge
Greensboro
A 1i-hf.jo
i y
Haw River Arm
Lih-rt:
Burli ngton
Bank Location
Jordan Lake Watersheds
Haw River Arm (Service Area)
Yan ceyv i I I e
Project 14-digit HU (040080)
Its'1
M eb ar
Hillsborough
v
urhar
I,-�11-1 Hill
Upper New Hope
Lower New Hope %
Ho
qu
34
Uwharrie
National
Fore st
i 11 I
'-22
Troy B scoe
R P
FIGURE 2. SERVICE AREA MAP N
0 4.25 8.5 BLACK BULL BUFFER MITIGATION AND NUTRIENT OFFSET BANK Image Source: ESRI
Miles ALAMANCE COUNTY, NC A World Street Map
Buffer Mitigation and Nutrient Offset Plan Black Bull Buffer Mitigation and
212020 16 Nutrient Offset Bank

5
T2(a)1
1
T1(a)
FIGURE 3. SITE MAP N
0 200 400 BLACK BULL BUFFER MITIGATION AND NUTRIENT OFFSET BANK Image Source: NCOneMap
Feet ALAMANCE COUNTY, NC A Orthoimagery, 2018.
Buffer Mitigation and Nutrient Offset Plan Black Bull Buffer Mitigation and
212020 17 Nutrient Offset Bank

Alamance County NRCS Soils
D
0 Ego
Proposed Easement (22.1 ac)
`
` 5W
p
§�
Vi: •lL=/
0 0
�y�
ic,any��
�IIU
'
0 0
0
r
0
0
0 0
0 0
EDO
b
0
0 0
F..
0 0"
gyp±•' F'rr... i`�'_'
"4
d
FIGURE 4. NRCS SOILS MAP
N
0 255
510 BLACK BULL BUFFER MITIGATION AND NUTRIENT OFFSET
BANK
Image Source: NCOneMap
Feet
ALAMANCE COUNTY,
NC
A Orthoimagery, 2018.
Buffer Mitigation and Nutrient Offset Plan Black Bull Buffer Mitigation and
212020 18 Nutrient Offset Bank

Easement (22.1 acres)
- Proposed Streams
Drainage Breaks by Tributary
Buffer Restoration / Nutrient Offset (pasture) 1.98 ac
Buffer Restoration (pasture) 0.29 ac
T4
Buffer Restoration / Nutrient Offset (fields) 7.33 ac of which 2.86 ac are Nutrient Offsets
Buffer Restoration (fields) 0.69 ac
Buffer Enhancement (forested pasture) 4.05 ac
�.
*
Buffer Enhancement (partially forested w/privet) 0.71 ac
Buffer Preservation (forested fringe) 1.30 ac
' No Credit (existing pines) 0.64 ac
Riparian Buffer Widths
AV-
�
Less than 20' (0.016 ac) - No Credit
T3
> 20' TOB to < 30' (0.015 ac)
> 20'TOB to < 50'(0.213 ac)
`x
> 20' TOB to 50' (12.427 ac)
51-100' (4.103 ac)
"7
101-200' (0.561 ac)
!
Vegetation Plots (10 permanent, 4 random)
.,
�� �� ifs � ��� ,M1 _. .. .. �R•: A �'
�.�`.'j�•'. P
r
f
0
•
0 140
f
T2(b)
FIGURE 5. BUFFER MITIGATION MAP
280 BLACK BULL BUFFER MITIGATION AND NUTRIENT OFFSET BANK
Feet
ALAMANCE COUNTY, NC
N
AImage Source: NC OneMap
Orthoimagery, 2018.
Buffer Mitigation and Nutrient Offset Plan
212020
19
Black Bull Buffer Mitigation and Nutrient Offset Bank

APPENDIX
Bank Parcel Development Package for Black Bull Buffer Mitigation and Nutrient Offset Bank
Jordan Lake, Haw Arm

Bank Parcel Development Package for Black Bull Buffer Mitigation and Nutrient Offset Bank
Jordan Lake, Haw Arm

Detailed Credit Table
Bank Parcel Development Package for Black Bull Buffer Mitigation and Nutrient Offset Bank
Jordan Lake, Haw Arm

Bank Parcel Development Package for Black Bull Buffer Mitigation and Nutrient Offset Bank
Jordan Lake, Haw Arm

Buffer Mitigation
Nutrient Offset
Credit per Acre (Ibs/acre)
Delivery Factor
(Ibs/30 yrs)
Delivered Credits
Stream
Category
Riparian Buffer
Treatment
Reach ID/
Component
Buffer Zone Category
(ft)
Creditable
Area (sf)
Riparian
Credit
Ratio
% Full
Credit
Riparian
Buffer
Credits
Convertible to
Nutrient Offset
(Yes or No)
Acres
Nitrogen
Phosphorus
Nitrogen
Phosphorus
Nitrogen
Phosphorus
Intermittent
Restoration
T1(a)
>20 TOB but <30'
666
1
75%
499
No
Intermittent
Restoration
T3(a)
> 20 TOB but <50'
1,293
1
100%
1,293
No
-
-
Intermittent
Restoration
T3(a)
TOB to 50'
154,651
1
100%
154,651
Yes
3.550
2,249.36
143.81
53%
51%
4,232.53
260.39
Intermittent
lRestoration
T1(a)
51-100,
59,914
1
100%
Yes
1.3751
2,249.36
143.81
53%
51%
1,639.74
100.88
Intermittent
Restoration
Tl(b)
TOB to 50'
36,034
1
100%
36,034
No
-
-
Intermittent
Restoration
T3(b)
51-100,
6,042
1
100%
6,042
No
-
-
Intermittent
Enhancement
T1(b)
TOB to 50'
27,477
2
100%
13,738
No
-
-
Intermittent
Enhancement
T1(b)
51-100,
3,288
2
100%
1,644
No
Intermittent
Restoration
T1(c)
TOB to 50'
7,775
1
100%
7,775
Yes
0.178
2,249.36
143.81
53%
51%
212.78
13.09
Intermittent
Restoration
Tl(c)
51-100,
2,357
1
100%
-
Yes
0.054
2,249.36
143.81
53%
52%
64.52
3.97
Intermittent
Enhancement
T1(c)
TOB to 50'
58,612
2
1 100%
29,306
No
-
-
Intermittent
Enhancement
T1(c)
51-100,
5,537
2
100%
2,768
No
Intermittent
Enhancement
T1(c)
101-200'
705
2
33%
116
No
-
-
Intermittent
Restoration
T2(a)
TOB to 50'
29,761
1
100%
29,761
Yes
0.683
2,249.36
143.81
53%
51%
814.51
50.11
Intermittent
Restoration
T2(a)
51-100,
26,915
1
100%
-
Yes
0.618
2,249.36
143.81
53%
S1%j
736.62
45.32
Intermittent
Restoration
T2(a)
101-200'
12,848
1
33%
4,240
Yes
0.295
2,249.36
143.81
53%
51%
351.62
21.63
Intermittent
Enhancement
T2(a)
TOB to 50'
20,784
2
100%
10,392
No
-
-
Intermittent
Enhancement
T2(a)
51-100,
22,359
2
100%
11,180
No
-
-
Intermittent
Enhancement
T2(a)
101-200'
7,935
2
33%1
1,309
No
-
Intermittent
Restoration
T2(b)
TOB to 50'
71,119
1
100%
71,119
Yes
1.633
2,249.36
143.81
53%
51%
1,946.39
119.74
Intermittent
Restoration
T2(b)
51-100,
33,491
1
100%
-
Yes
0.769
2,249.36
143.82
53%
51%
916.59
56.39
Ephemeral
Restoration
T2-1
TOB to 50'
3,221
1
100%
3,221
No
-
-
Ephemeral
Enhancement
T2-1
TOB to 50'
11,019
2
100%
5,510
No
Ephemeral
Enhancement
T2-1
51-100,
112
2
100%
56
No
Intermittent
Restoration
T3
TOB to 50'
3,350
1
100%
3,350
Yes
0.077
2,249.36
143.81
53%
51%
91.67
5.64
Intermittent
lRestoration
T3
51-100'
1,845
1
100%
-
Yes
0.042
2,249.36
143.81
53%
51%
50.49
3.11
Intermittent
Enhancement
T3
TOB to 50'
14,636
2
1 100%1
7,318
No
-
-
Intermittent
Enhancement
T3
51-100,
776
2
100%
388
No
Intermittent
Enhancement
T4
TOB to 50'
27,618
2
100%
13,809
No
-
-
Intermittent
Enhancement
T4
51-100,
3,404
2
100%
1,702
No
-
-
Intermittent
Enhancement
T4
101-200'
2,970
2
33%
490
No
-
-
Ephemeral
Restoration
TS
> 20 TOB but <50'
7,975
1
100%
7,975
No
Ephemeral
Restoration
T5
TOB to 50'
1,403
1
100%
1,403
Yes
0.032
2,249.36
143.81
53%
51%
38.398
2.36
Ephemeral
Restoration
T5
51-100,
28
1
100%
281
Yes
0.0011
2,249.36
143.81
53%
51%
0.753
0.05
TOTAL CREDITABLE AREA
667,918 sf
427,116
2.859 ac
Current assigned nutrient offset
3,407.96
209.66
TOTAL ASSIGNED TO RIPARIAN BUFFER MITIGATION
543,396 sf
6.449 ac
Potential nutrient conversion from
riparian buffer credit (shown in italics)
7,688.66
473.02
TOTAL ASSIGNED TO NUTRIENT OFFSET
124,522 sf
19.308 ac
Total on -site nutrient offset potential
11,096.61
682.68
IGIBLE PRESERVATION AREA 1 181.132
Initial
Riparian
Stream
Riparian Credit
Reach l0 /
Creditable
%Full
Buffer
Category
Type
Component
Buffer Width (k)
Area (sf)
Credit
Credit
Credits
Ratio (z:1)
BMU
Intermittent
Preservation
Tl(a)
TOB to 50'
29,749
10
100%
2,975
Intermittent
Preservation
T3(b)
TOB to 50'
2,823
10
100%
282
Intermittent
Preservation
Tl(b)
51-100,
336
10
100%
34
Intermittent
Preservation
T2(b)
TOB to 50'1
23,704
10
100%
21370
Intermittent
Preservation
I T2(b)
51-100'
52
10
100%
5
PRESERVATION TOTAL (LESS THAN 25%OF TOTAL)
56,664 sf
5,666
TOTAL BUFFER MITIGATION SF WITH PRESERVATION1
600,059 sf
432,782
13.78 ac
EPHEMERAL BUFFER AREA (SF)
Square Feet
Acres
T2-1
14,352
0.329
T5
9,405
0.216
TOTAL
23,757
0.54538
PERCENT EPHEMERAL BUFFER AREA (UNDER ALLOWABLE 25%)
4.0%

Bank Parcel Development Package for Black Bull Buffer Mitigation and Nutrient Offset Bank
Jordan Lake, Haw Arm

DWR Stream Determination Letter 10/9/2018
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

NORTH CAFE-O''-INA
ROY COOPER Eltvirvnmerd-af aualily
coves
MI+CHAEL So REGAN
1Z__1_Y
LINDA CULPEPPER
interim airecw
October 9, 2018
Joe Sullivan
KCI Technologies, Inc.
4505 Falls of Neuse Rd, Suite 400
Raleigh, NC 27609
Subject: On -Site Determination for Applicability to the Jordan Lake Buffer Rules (15A NCAC 2B .0250)
Subject Property: Black Bull Creek Restoration Mitigation Site, 4538 Friendship Rock Creek Rd,
Burlington NC, Alamance County
Dear Mr. Sullivan:
On October 4, 2018, at your request, Sue Homewood conducted an on -site determination to review
features located on the subject project for stream determinations with regards to the above noted state
regulations. Samantha Dailey with the USACE was also present during the site visit.
The attached sketch depicts the channels that were reviewed during the site visit. Channels T1, T2, T3
below a culvert crossing and T4 as shown on the attached sketch were determined to be at least
intermittent channels and subject to the Jordan Lake Buffer Rules cited above. Channel T2-1 was
determined to be ephemeral and not subject to the Jordan Lake Buffer Rules. These regulations are
subject to change in the future.
The owner (or future owners) should notify the Division (and other relevant agencies) of this decision in
any future correspondences concerning this property. This on -site determination shall expire five (5)
years from the date of this letter.
North Carolina Department of Environmental Quality I Division of Water Resources
450 W. Hanes Mill Rd, Winston-Salem, NC 27107
336.776-9800

Page 2 of 2
Landowners or affected parties that dispute a determination made by the Division or Delegated Local
Authority that a surface water exists and that it is subject to the buffer rule may request a determination
by the Director. A request for a determination by the Director shall be referred to the Director in writing
c/o 401 & Buffer Permitting Branch, 1650 Mail Service Center, Raleigh, NC 27699-1650. Individuals that
dispute a determination by the Division or Delegated Local Authority that "exempts" surface water from
the buffer rule may ask for an adjudicatory hearing. You must act within 60 days of the date that you
receive this letter. Applicants are hereby notified that the 60-day statutory appeal time does not start
until the affected party (including downstream and adjacent landowners) is notified of this decision. The
Division recommends that the applicant conduct this notification in order to be certain that third party
appeals are made in a timely manner. To ask for a hearing, send a written petition, which conforms to
Chapter 150E of the North Carolina General Statutes to the Office of Administrative Hearings, 6714 Mail
Service Center, Raleigh, N.C. 27699-6714. This determination is final and binding unless you ask for a
hearing within 60 days.
This letter only addresses the applicability to the buffer rules and does not approve any activity within
Waters of the United States or Waters of the State or their associated buffers. If you have any additional
questions or require additional information, please contact me at 336-776-9693 or
[e-mail].
Sincerely,
Sue Homewood
Winston-Salem Regional Office
Enclosures: USGS Topo Map
Black Bull Creek Features Map
Cc: Lucy H Isley Life Estate, 4538 Friendship Rock Creek Rd, Burlington NC 27215
Samantha Dailey, USACE Raleigh Regulatory Field Office (via email)
Katie Merritt/Mac Haupt, DWR (via email)
DWR, Winston-Salem Regional Office

RMA
USGS The National Map: National Boundaries Dataset, National Elevation
Dataset, Geographic Names Information System, National Hydrography
Dataset, National Land Cover Database, National Structures Dataset, and
National Transportation Dataset; U.S. Census Bureau - TIGER/Line; HERE
Proposed Easement Road Data. Data Refreshed July, 2017.
FIGURE 2. USGS MAP A
N
0 200 400 Source: USGS National Map
BLACK BULL CREEK RESTORATION SITE Snow Camp Quad
Feet ALAMANCE COUNTY, NC

K
*a
r
Proposed Easement (20.6 ac)
Wetlands
Surface Water
Ephemeral Channel
Intermittent Streams
Perennial Streams
L
4
y
0 200 400 FIGURE 3. POTENTIAL WOTUS N
BLACK BULL CREEK RESTORATION SITE Source: Orthoimage Statewide
Feet ry, 2014.
ALAMANCE COUNTY, NC

NCDWR Site Viability Letter 11/15/2018
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
LINDA CULPEPPER
Interim Director
NORTH CAROLINA
Environmental Quality
November 15, 2018
Joseph Sullivan
KCI Associates of North Carolina
4505 Falls of Neuse Rd
Raleigh, NC 27609
(via electronic mail: joe.sullivangkci.com )
Re: Site Viability for Buffer Mitigation & Nutrient Offset — Black Bull Creek Site
Located off Friendship Rock Creek Rd, 35.979064,-79.481308
Haw River Sub -Watershed
Alamance County
Dear Mr. Sullivan,
On October 15, 2018, Katie Merritt, with the Division of Water Resources (DWR), received a
request from you on behalf of KCI Associates of North Carolina (KCI) for a site visit near the above -
referenced site in the Haw River Sub -watershed of Jordan Lake. The site visit was to determine the
potential for riparian buffer mitigation and nutrient offset within a proposed Easement Boundary,
which is more accurately shown in the attached map labeled "Figure 3" and initialed by Ms. Merritt
on November 15, 2018. On October 30, 2018, Ms. Merritt performed a site assessment of the subject
site. Tim Morris with KCI was also present during the site assessment. This site is also being
proposed as a stream mitigation site by KCI.
Ms. Merritt's evaluation of the features onsite and their associated mitigation determination for the
riparian areas are provided in the table below. This evaluation was made from Top of Bank (TOB)
and landward 200' from each feature for buffer mitigation pursuant to 15A NCAC 02B .0295
(effective November 1, 2015) and for nutrient offset credits pursuant to 15A NCAC 02B .0240.
Feature
Classification
onsite
1 ubject
Riparian Land uses
Buffer
Credit
2Nutrient
Mitigation Type Determination
to
adjacent to Feature
Offset
w/in riparian areas
0-200'
Buffer
Viable
Viable at
Rule
2,249.36
Ibs acre
T1(a)
Stream
Yes
Row crop agriculture w/ a 10-
'Yes
Yes fields
Fields - Restoration Site per 15A
See map
15' wide forested fringe
only)
NCAC 02B .0295 (n)
Forested fringe - Preservation Site
per 15A NCAC 02B .0295 n
NORTH CA
CJ� -I, aft CC,
D_ E Q` `
North Carolina Department of Environmental Quality I Division of Water Resources
512 North Salisbury Street 1 1611 Mail Service Center I Raleigh, North Carolina 27699-1611
919.707.9000

Black Bull Site
KCI
November 15, 2018
Feature
Classification
'Subject
Riparian Land uses
Buffer
2Nutrient
Mitigation Type Determination
onsite
to
adjacent to Feature
Offset
w/in riparian areas
Credit
0-200'
Buffer
Viable
Viable at
2,249.36
Rule
lbs acre
Tl (b)
Stream
Yes
Left Bank - Fescue field and
Yes
No
Left Bank (no pines) - Restoration Site
See map
densely planted 10 year -old
per 15A NCAC 02B .0295 (n)
pines
Left Bank (w/in pines)- no credit
Right Bank - combination of
partially forested and un-
Right Bank (no pines) - Enhancement
forested areas with lightly
Site per 15A NCAC 02B .0295 (n) if
dense privet throughout &
100% privet removal is implemented
adjacent to densely planted 10
year -old pines
Right Bank (w/in pines) - no credit
Right Bank non -forested areas -
Restoration Site per 15A NCAC 02B
.0295 (n)
T1(c)
Stream
Yes
A combination of forested and
'Yes
Yes (non-
Non -forested areas - Restoration
See map
non -forested pasture all
forested
Site per 15A NCAC 02B .0295 (n)
grazed by cattle
areas only)
Forested pasture - Enhancement Site
per 15A NCAC 02B .0295 (o)(6) if
fence is installed or Preservation
Site per 15A NCAC 02B .0295 (o)(5) if
fence isn't installed.
T2(a)
Stream
Yes
A combination of forested and
'Yes
Yes (non-
Non -forested areas - Restoration
See map
non -forested pasture all
forested
Site per 15A NCAC 02B .0295 (n)
grazed by cattle
areas only)
Forested pasture - Enhancement Site
A pond is located adjacent to
per 15A NCAC 02B .0295 (o)(6) if
the right bank
fence is installed or Preservation
Site per 15A NCAC 02B .0295 (o)(5) if
fence isn't installed.
If pond is drained, backfilled, graded,
seeded and planted, the new riparian
areas will be viable as a Restoration
Site per 15A NCAC 02B .0295 (n) and
viable for buffer mitigation and
nutrient offsets.
T2 (b)
Stream
Yes
Row crop agriculture w/ a 10-
'Yes
Yes fields
Fields - Restoration Site per 15A
See map
15' wide forested fringe.
only)
NCAC 02B .0295 (n)
Privet is present along the
banks
Forested fringe - Preservation Site
per 15A NCAC 02B .0295 (o)(5).
Need to remove privet.
Page 215

Black Bull Site
KCI
November 15, 2018
Feature
Classification
1 ub'ect
Riparian Land uses
Buffer
2Nutrient
Mitigation Tyne Determination
adjacent to Feature
Offset
Viable at
w/in riparian areas
onsite
to
Buffer
Credit
Viable
0-200'
Rule
2,249.36
lbs acre
T2-1
Ephemeral
No
Combination of partially
'Yes
Yes (non-
Dense Privet areas & partially
forested & non -forested
forested
forested areas combined -
pasture actively grazed by
pasture
Enhancement Site per 15A NCAC
cattle with dense privet along
only)
02B .0295 (o)(7) if 100% privet
the banks.
removal is implemented
Non -forested areas beyond tree line) -
Restoration Site per 15A NCAC 02B
.0295 (o)(7)
Must meet additional requirements
under.0295 (o)(7) to be viable for
buffer mitigation.
T3
Stream
Yes
A combination of forested and
'Yes
Yes (non-
Non -forested areas - Restoration
non -forested pasture all
forested
Site per 15A NCAC 02B .0295 (n)
grazed by cattle
pasture
only)
Forested pasture - Enhancement Site
per 15A NCAC 02B .0295 (o)(6) if
fence is installed or Preservation
Site per 15A NCAC 02B .0295 (o)(5) if
fence isn't installed.
T4
Stream
Yes
Forested pasture grazed by
'Yes
No
Forested pasture - Enhancement Site
cattle
per 15A NCAC 02B .0295 (o)(6) if
fence is installed or Preservation
Site per 15A NCAC 02B .0295 (o)(5) if
fence isn't installed.
T5
Ephemeral
No
Non -forested pasture grazed
'Yes
Yes
Restoration Site per 15A NCAC 02B
(see map)
by cattle
.0295 (o)(7)
Must meet additional requirements
under.0295 (0)(7) to be viable for
buffer mitigation.
T6
Ditch
No
Row crop agriculture
*see note
Yes
Restoration Site per 15A NCAC 02B
.0295 (o)(8)
*Buffer Mitigation - Assessment
concludes the ditch meets 15A NCAC
02B .0295 (o)(8) (A, B, C, D & E). More
information on the watershed is
needed for complete assessment. See
rule.
Page 315

Black Bull Site
KCI
November 15, 2018
Feature
Classification
'Subject
Riparian Land uses
Buffer
2Nutrient
Mitigation Type Determination
onsite
adjacent to Feature
Offset
w/in riparian areas
to
Credit
0-200'
Buffer
Viable
Viable at
2,249.36
Rule
lbs acre
T7
Ditch
No
Row crop agriculture
*see note
Yes
Restoration Site per 15A NCAC 02B
.0295 (o)(8)
*Buffer Mitigation - Assessment
concludes the ditch meets 15A NCAC
02B .0295 (o)(8) (A, B, C, D & E). More
information on the watershed is
needed for complete assessment. See
rule
'Subjectivity calls for the features were determined by DWR in correspondence dated October 9, 2018 using the
1:24,000 scale quadrangle topographic map prepared by USGS and the most recent printed version of the soil
survey map prepared by the NRCS .
2 NC Division of Water Resources - Methodology and Calculations for determining Nutrient Reductions associated with
Riparian Buffer Establishment
3The area of preservation credit within a buffer mitigation site shall comprise of no more than 25 percent (25%) of
the total area of buffer mitigation per 15A NCAC 0295 (o)(5) and 15A NCAC 0295 (o)(4). Site cannot be a
Preservation Only site to comply with this rule.
4The area described as an Enhancement Site was assessed and determined to comply with all 15A NCAC
02B .0295(o)(6). Cattle exclusion fencing is required to be installed around the mitigation area to get buffer credit
under this part of the rule.
sThe area of the mitigation site on ephemeral channels shall comprise no more than 25 percent (25%) of the total
area of buffer mitigation per 15A NCAC 02B .0295 (o)(7).
Maps that are attached to this letter were prepared by KCI and were initialed by Ms. Merritt on
November 15, 2018. This letter should be provided in all stream and wetland, buffer and/or
nutrient offset mitigation plans for this Site.
This letter does not constitute an approval of this site to generate mitigation credits. Pursuant to 15A
NCAC 02B .0295, a mitigation proposal and a mitigation plan shall be submitted to DWR for written
approval prior to conducting any mitigation activities in riparian areas and/or surface waters for
buffer mitigation credit. Pursuant to 15A NCAC 02B .0240, a proposal regarding a proposed nutrient
load -reducing measure for nutrient offset credit shall be submitted to DWR for approval prior to any
mitigation activities in riparian areas and/or surface waters.
All vegetative plantings, performance criteria and other mitigation requirements for riparian
restoration, enhancement and preservation must follow the requirements in 15A NCAC 02B .0295 to
be eligible for buffer and/or nutrient offset mitigation credits. For any areas depicted as not being
viable for nutrient offset credit above, one could propose a different measure, along with supporting
calculations and sufficient detail to support estimates of load reduction, for review by the DWR to
determine viability for nutrient offset in accordance with 15A NCAC 02B .0240.
This viability assessment will expire on November 15, 2020 or upon the submittal of an As -Built
Report to the DWR, whichever comes first. This letter should be provided in all stream, wetland or
buffer mitigation plans for this Site.
Page 415

Black Bull Site
KCI
November 15, 2018
Please contact Katie Merritt at [phone] if you have any questions regarding this
correspondence.
Sincerely,
Karen Higgins, Supervisor
401 and Buffer Permitting Branch
KAH/km
Attachments: Figure 3, Topographic Map of Site
cc: File Copy (Katie Merritt)
515

Conservation Easement and Plat
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan) Arm

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

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CERTIFICATION OF EXEMPTTON
1.
THIS PLAT DOES NOT REPRESENT A BOUNDARY SURVEY OF THE PARENT
LEGEND
TRACTS. THE PARENT TRACT BOUNDARIES ADJACENT TO THIS EASEMENT ARE NCR
'��
i
1(WE) HEREBY CERTIFY THAT I AM (ENE ARE) THE OW?4ERM OF
CHANGED BY THIS PLAT. BOUNDARY INFORMATION SHOWN HEREON WAS DERIVED
0
CALCULATED POINT
THE PROPERTY SHOWN AND DESCRIBED HEREON, WHICH WAS
FROM DEEDS AND MAPS OF RECORD IN ALAMANCE COUNTY AND MONUMENTATION
�
IRON
EXISTINGIRON�
CONVEYED TO ME (US) BY DEEDS SHOWN HEREON AND THAT THE
IN THE FIELD.
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5/8- REBAR SET 1// 3.25' ALUMINUM
i'PIPE
SUBDIVISION OF THE PROPERTY SHOWN ON THIS PLAT IS AN
2.
DISTANCES SHOWN ARE HORIZONTAL GROUND VISTA 4M 1NU.9, SURVEY FEET
CAP WTH STATE SEAL � �
EXCEPTION TO THE SUBDIVISION ORDINANCE OF ALAMANCE
COUNTY, NORTH CAROLINA UNDER SECTION 32 1.
UNLESS OTHERWISE NOTED.
O
EXISTING MONUMENT
3.
AREA COMPUTED BY COORDINATE METHOD.
EA
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SLAM OF NO" CAROLINA
it- t3 -14,
THE BASIS OF THE MERI RAMS AND COORD'II'IATES POR THIN PLAT IS TRB
POB
POINT OF BEGINNING
1 �Yp OFFICER
GEORGE M LEY DATE
NORTH CAROLINA STATE PLANE COORDINATE SYSTEM, NORTH AMERICAN DATUM
POC
POINT OF COMMENCEMENT
OF ALAMANCE COUNTY, CERTIFY THAT THE MAP
1"3 (NAD 83), BASED ON DIFFERENTIAL GPS OBSERVATIONS PERFORMED IN
JANUARY 2019.
FIB
FOUND IRON BAR
OR PLAT WHICH THIS CERTIFICATION IS AFFIXED
MEETS ALL STATUTORY REQUIREMENTS FOR FD rmpE
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DEED REFERENCEW AS SHOWN TMITON.
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FOUND IRON PIPE
RECORDING.
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6.
SUBJECT PROPERTIES ICNUWI4 AS TAX NUMBER: AS SHOWNAERFOR.
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SUBJECT EASEMENT LIES WrrMN THE AREA DESMATED AS ZONE -X', BASED ON
REVIEW OFFICER DATE
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PB 66 PG 114 ' 1, 865, 757.13
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#50 fO4, 874 S.F. ✓ -^-� ` \ \BE7N"GRAVE��DATE n-,�%Q 11 ��t�
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�- ✓ \ PB 70 PG 17 d �� COORDINATES WERE USED FOR THE BASIS
FlB DB 1078 PG 5 ti �' '� OF BEARING ON THIS PLAT. THE FOLLOWING
*1 OF
/� / INFORMATION WAS USED TO PERFORM THE
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Poe �. #23 \ / / �/ CLASS OF SURVEY: CLASS A
0 L2 CONSERVATION X. ,/ POSITIONAL ACCURACY 0.03(+IOL)
FYP #2 #27 � #24 EASEMENT#1D FlB1� /o- REAL-TIME NETWORK (VRSTYPE OF GPS FIELD yDURE FfTK NCGS
7 �, 21,382 S.F.
DATE OF SURVEY: 1/11119
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GPIN 8851429286 CE C ?50 3P005 ��El ^ L25 � 1 GEDRG£ M /BEET 11 DATUMIEPOCH: MAD83/2011
m PUBLISHED FIXED CONTROL USED: NCBU
PARCEL ID: 111399 CE#2 L2s/V
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DO 1620 PG 482 IP POB LUCY H ISLEY UFE PARCEL ID: 111427 GEOID N: 8557 5.2 CE C 21 GPIN 8851811697 DO 1567 PG 239 COMBINED SCALEFACTOR: 0.9999M
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#3O PARCEL ID. 111428 /� UNITS: U.S. SURVEY FEET
DPC 856
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LINE TABLE
LENGTH
BEARING
20 9
6424'57
102.91
87'39'06'
P
145.99
02'20'29'
169.75
84'05'23'
84.81
79.46
76'30'54'
L7
114.86
10-49'05-
L8
125.88
58-40'15"
L9
127.16
3217.13'
L10
240.55
8719'4B"
L11
216.27
50'40'51"
L12
69.19
S47'19'41'
L13
94.84
46'04'11'
L14
390.49
S5329'18'
L15
189.43
7658'02'
L16
34-4.48519'33'38'Vf
07
347.81
68'16'15'
L18
84.53
17'09'40'W
L19
288.13
N62'26'33'W
L20
175.94
8625'32"W
L21
145.98
NO2'16'06'
L22
147.77
N75'11'48'
L23
53.63
S21'52'35"
L24
107.09
S05'11'47"
L25
172.00
8727'41 "W
L26
79.38
08-56.27"
35.14
N21-48.10'
172.00
S8727'41'
133.80
$0232'19-W
401.73
S67'40'39"
RL3
434.09
56550'26'
184.49
54920'09'
123.45
S3217'13"W
422.80
62'37'24"W
Las
1 499.56
67'47'22'W
L36
500.86
S10'06'40'W
L37
591.61
S06'51'57'
L38
169.89
S511 '19'
L39
38.86
S66'30.13'W
L40
138.57
S78'38'30"W
L41
128.84
54-42'07"W
L42
601.43
N09'05'43"W
L43
364.79
N10-06-40"
515.64
N0232'19'
271.30
N21'48'10'W
292.17
N0721'26"
136.06
N22'54'54"W
P44
148.28
N6422.16"
146.30
S2316'19"
209.44
S01*16'30'
97.91
S2514'44'W
L52
281.27
S21'52'35'
368.48
N65'11'27'
112.54
S30'36'24'E
146.28
S5410'14"W
NL5a
252.82
S30'31'48"
219.49
S59'59'43"
130.27
S34'36'56'W
102.46
N64'04.53"W
L60
230.55
S10'01'23"W
14-4.07
S6422'16"W
182.51
N0210'01'
96.44
N1520'41
KL6
126.99
N06'34'1B'W
158.49
N25'51'06"W
261.35
N5124'41"W
59.97
2'32'19'W
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jf'S 363 813467.45 185641L9$
BOUNDARIES NOT SURVEYED ARE CLEARLY INDICATED AS DRAWN ; {Q �': wy J 3fI1 813593.60 1856397.45
FROM INFORMATION FOUND IN BOOK AND PAGE AS SHOWN; THAT SEAL ' * = 143' / L4 #4 #18
#21 L2Q 20 5 L1 1 INCH - 2W FEET 365 613T36 24 1856328 34
THE RATIO OF PRECISION AS CALCULATED IS GREATER THAN _ ;r _ �/ # n
1:10,000; THAT THIS MAP DOES REPRESENT AN OFFICIAL BOUNDARY q 0: `C' r L6 #6 L1
SURVEY AND HAS BEEN PREPARED IN ACCORDANCE WITH G.S. 47-30 ':y .A r r G/�� COJV'$'El�l/ATION 9
AS AMENDED. WITNESS MY ORIGINAL SIGNATURE, REGISTRATION '•.O �I FINAL PLAT
E ,r h
NUMBER AND SEAL THIS 12TH DAY Of NOVEMBER, 2019. ••`-.• 3 U R V •f�� .` OV/ EASEMENT #1A. f� CONSERVATION EASEMENT
b `� �Q��/�, 56370 S.F.
r � J
rrrnrC�rEot,,``�: v QJ 1.29ACRES #18 FOR
i �10 0 Fri CONSERVATION �1j ATLANTIC COAST CONSERVANCY
PROJECT NAME: BLACK BULL STREAM AND WETLAND MITIGATION BANK
ORTH CAROLINA REGISTRATION NUMBER L-3860 N ,EASEMENT#1B
_ _ NC DEQ DWR # 20180975
JAMES M. GELLENTHIN FIP`�.,�`N'C'AR04r''`,, / ��/ 4190ACREs 7
DEPARTMENT OF THE ARMY ACTION ID # -SAW-2018-00967
fs 10��,� COBLE CREEK TOWNSHIP, ALAMANCE COUNTY
�o ti9 s FP NORTH CAROLINA
I, JAMES M. GELLER I MIR, /RQFES510NAL LAUD SURVEYOR, NO. L-3860STATE OF INOIRT; #�
CAROLINA
CERTIFY TO THE FOLLOWING AS REQUIRED IN G.S. 47-30 (F)•(11)-(D): * ' SEAL : " / ANCE { COUN
DATE: SCALE: SHEET:
`r L-386b 2 = 2 / MARCH 2 2019 1' 250' 1 OF 1
THAT THE SURVEY IS OF ANOTHER CATEGORY, SUCH AS THE = ? q O ; #4 #39 LRECOMBINATION OF EXISTING PARCELS, A COURT ORDERED SURVEY, OR ':y / �OF ALAM CE COUNTY41=
AT THE MAP
OTHER EXCEPTION TO THE DEFINITION OF SUBDIVISION. ••� F,� A / �3 KCI ,ASSC ASSOC
OF N.C.
�►0 #40 OR FLAT WHICH THIS CERTIFICATION IS AFFIXED
MEETS ALL STAMORY REQUIREMENTS FOR
RECORDING.
ENGINEERS, SURVEYORS AND PLANNERS
EU HOLT V'OCUIVIE£R IRAVIS & R08/N GRAVES
r►rnn:r
f7RE DEPAR7MENT GP/N 8850798700 a. Ar
N/E GPIN 8851609617 PARCEL ID.' 111264 KCI 4505 FALLS OF NEUSE ROAD, FLOOR 4
N CAROLINA REGISTRATION NUMBER L-3860 - �. FIP TRANS AND ROBIN GRAVES' \ PARCEL ID: 111419 DR 1000 PG 626 REVIEvy4 FICE DATE ASSOCIATES OF RALEIGH, NC 27609
+� JAMES M. GELLENTHIN GPIN 8850694037 / DR 710 PG 373 (/ NORTH CAROLINA PHONE [phone] = FAX [phone]
PARCEL ID: 111247 /
DO 3578 PG 13 C-0764

USFWS Response Letters 5/15/2018 and 10/1/18
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

United States Department of the Interior
FISH AND WILDLIFE SERVICE
Raleigh ES Field Office
Post Office Box 33726
Raleigh, North Carolina 27636-3726 FRECEIVED
1.5 2018
May 11, 2018 REGULATORY
LD OFFICE
Samantha Dailey
U.S. Army Corps of Engineers, Wilmington District
Regulatory Division
3331 Heritage Trade Drive, Suite 105
Wake Forest, NC 27587 .
Re: Cape Fear 02 UMBI (Black Bull Creek Mitigation Site)/ SAW-2018-00697/ Alamance Co.
Dear Ms. Dailey:
The U.S. Fish and.Wildlife.Service (Service) has reviewed the information concerning the above
referenced project. The project, based on the description in your letter: to our office; and biher
information, is expected to have minimal adverse impacts to fish and wildlife resources.
In accordance with the Endangered Species Act of 1973, as amended, (ESA) and based on the
information provided, and other available information, it appears the action is not likely to
adversely affect federally listed species or their critical habitat as defined by the ESA. We
believe that the requirements of section 7 (a)(2) of the ESA have been satisfied for this project.
Please remember that obligations under the ESA must be reconsidered if. (1) new information
identifies impacts. of this action that may affect listed species or critical habitat in a manner not
previously considered; (2) this action is modified in a manner that was not considered in this
review; or, (3) a new species is listed or critical habitat determined that may be affected by the
ider_tified action_.
For your convenience a list of all federally protected endangered and threatened species in North
Carolina is now available on our website at http://www.fws.gov/raleigh. Our web page contains
a complete and frequently updated list of all endangered and threatened species protected by the
provisions of the Endangered Species Act of 1973, as amended (16 U.S.C. 1531 et seq.)(Act),
and a list of federal species of concern' that are known to occur in each county in North Carolina.
Section 7 of the Act requires that all federal agencies (or their designated no
1 The term "federal species of concern" refers to those species which the Service believes might he in need of
concentrated conservation actions. Federal species of concern receive no legal protection and their degignati& does
not necessarily imply that the species will eventually be proposed for listing as a federally endangered or threatened
species. However, we recommend that all practicable measures be taken to avoid or minimize adverse impacts to
federal species of concern.

representative), in consultation with the Service, insure that any action federally authorized,
funded, or carried out by such agencies is not likely to jeopardize the continued existence of any
federally -listed endangered or threatened species. A biological assessment or evaluation may be
prepared to fulfill -that requirement and in determining whether additional consultation with the
Service is necessary. In addition to the federally -protected species list, information on the
species' life histories and habitats and information on completing a biological assessment or
evaluation and can be found on our web page at http://www.fws.gov/raleigh. Please check the
web site often for updated information or changes.
If your project contains. suitable habitat for any of the federally -listed species known to be present
within the county where your project occurs, the proposed action has the potential to adversely
affect those species. As such, we recommend that surveys be conducted to determine the
species' presence or absence within the project area. The use of North Carolina Natural Heritage
program data should not be substituted for actual field surveys.
If you determine that the proposed action may affect (i.e., likely to adversely affect or not likely
to adversely affect) a federally -protected species, you should notify this office with your
determination, the results of your surveys, survey methodologies, and an analysis of the effects of
the action on listed species, including consideration of direct, indirect, and cumulative effects,
before conducting any activities that might affect the species. If you determine that the proposed
action will have no effect (i.e., no beneficial or adverse, direct or indirect effect) on federally
listed species, then you are not required to contact our office for concurrence (unless an
EnviromnentaI Impact Statement is prepared). However, you should maintain a complete record
of the assessment, including steps leading to your determination of effect, the qualified personnel
conducting the assessment, habitat conditions, site photographs, and any other related articles.
The Service appreciates the opportunity to review and provide comments on the proposed action.
Should you have any questions regarding the project, please contact Kathy Matthews at (919) 856-
4520, extension 21.
Sincerely,
ke Benjiamin
Field Supervisor
cc: NMFS, Beaufort, NC "
EPA, Atlanta, GA
WRC, Raleigh

United States Department of the Interior
FISH AND WILDLIFE SERVICE
Raleigh FS Field Office
Post Office Box 33726
Raleigh, North Carolhia 27636-3726
September 28, 2018
Samantha Dailey
U.S. Army Corps of Engineers, Wilmington District HR�oaL��o�r�`��o°
Raleigh Regulatory Field Office
3331 Heritage Trade Drive, Suite 105
Wake Forest, NC 27587
Re: I<Ci Cape Fear 02 Black Bull Creek Mitigation Site / SAW-2018-00697/ Alamance County
Dear Mrs. Dailey:
The U.S. Fish and Wildlife Service (Service) has reviewed the project advertised in the above
referenced Public Notice. The project, as advertised in the Public Notice, is expected to have
minimal adverse impacts to fish and wildlife resources. Therefore, we have no objection to the
activity as described in the permit application,
In accordance with the Endangered Species Act of 1973, as amended, (ESA) and based on the
information provided, and other available information, it appears the action is not likely to adversely
affect federally listed species or their critical habitat as defined by the ESA. We believe that the
requirements of section 7 (a)(2) of the ESA have been satisfied for this project. Please remember
that obligations under the ESA must be reconsidered if: (1) new information identifies impacts of this
action that may affect listed species or critical habitat in a manner not previously considered; (2) this
action is modified in a manner that was not considered in this review; or, (3) a new species is listed
or critical habitat determined that may be affected by the identified action.
For your convenience a list of all federally protected endangered and threatened species in North
Carolina is now available on our website at <http://W'\Aiw.fws.gov/raleigh.;.. Our web -page cony Gins a
complete and updated list of federally protected species, and a list of federal species of concern
known to occur in each county in North Carolina.
The Service appreciates the opportunity to review and provide comments on the proposed action.
Should you have any questions regarding the project, please contact Kathy Matthews at [phone],
extension 27.
i cerely,� �(!
0P�-�~�
to Benjamin,
Field Supervisor
cc. NMFS, Beaufort, NC
EPA, Atlanta, GA
WRC, Raleigh

NC SHPO Response Letter 10/1/2018
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

North Carolina Department of Natural and Cultural Resources
State Historic Preservation Office
Ramona M. Bartos, Administrator
Governor Roy Cooper
Secretary Susi H. Hamilton
October 1, 2018
Samantha Dailey
Raleigh Regulatory Field Office
3331 Heritage Trade Drive, Suite 105
Wake Forest, NC 27587
Office of Archives and History
Deputy Secretary Kevin Cherry
Re: Black Bull Creek Mitigation Site, SAW 2018-00697, Alamance County, ER 18-2264
Dear Ms. Dailey:
We have received a public notice. concerning the above project.
We have conducted a review of the project and are aware of no historic resources which would be affected by
the project. Therefore, we have no comment on the project as proposed.
The above comments are made pursuant to Section 106 of the National Historic Preservation Act and the
Advisory Council on Historic Preservation's Regulations for Compliance with Section 106 codified at 36 CFR
Part 800.
Thank you for your cooperation and consideration. If you have questions concerning the above comment,
contact Renee Gledhill -Earley, environmental review coordinator, at 919-807-6579 or
environmental.reviewnncdcr.gov. In all future communication concerning this project, please cite the above
referenced tracking number.
Sincerely,
Ramona M. Bartos
Location: 109 East Jones Street, Raleigh NC 27601 Mailing Address: 4617 Mail Service Center, Raleigh NC 27699-4617 Telephone/Fax: [phone]-6599

NC Natural Heritage Program Response Letter 10/24/2018
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan) Arm

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NCNHDE-7358: Black Bull Stream Restoration Site
yeK
N
w E Boa
October 24, 2018
Project Boundary
Buffered Project Boundary
NHP Natural Area (NHNA)
1:26,654
0 0.225 0.45 0.9 Mi
0 0.35 0.7 1.4 km
Sources: Esri, HERE, Garmin, Intermap, increment P Corp., GEBCO, USGS,
FAO NPS, NRCAN, GeoBase, ION, Kadaster NL, Ordnance Survey, Esri Japan,
METi, Esri China (Hong Kong), —sstopo, @ OpenStreetMap contributors, and
the GIS User Community
M

Parcel Photo Log
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

r, ai 4
Photo 7: Cattle impacts along T2(a). Photo 8: Immediate riparian area near right bank of T2(b).
1/22/2019 1/22/2019
!n
kk 4 �9
• k a+
'� -
_ '�
,, Jam} � .k
Ip
r-_
1 1
Photo 9: Looking upstream
on T2-1 as it nears T2(a).
Photo 10: Looking at T5 as it enters into T2(a).
1/22/2019
1/22/2019
Photo 11: Looking downstream at left bank of T3 in pasture. Photo 12: Left bank buffer of T4 as it nears the confluence
1/22/2019 with T1(c). 1/22/2019

Historic Aerial Photographs
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

1993 2000
41
2010 2014
Project Easement
W
A
G� eographic Info ma io a Geogra • hic Info ma ion
,tAnalysis, NC 911 Boa ' Analysis, NC 911 Boa
HISTORIC AERIALS, 1993-2014
0 450 900 BLACK BULL BUFFER MITIGATION AND NUTRIENT OFFSET BANK age Source: USES
Feet Earth Explorer.
ALAMANCE COUNTY, NC

Construction Plan Sheets
Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

Buffer Mitigation and Nutrient Offset Plan for the Black Bull Restoration Site - Jordan Lake,
Haw Arm (Section 12.7 of the Black Bull Stream and Wetland Mitigation Plan)

00
�o
0
0
U
�O
m
z
PROJECT A
LOCATION
s
1P
C49
y� �g
O `o J
�QP
VICINITY MAP
N NOT TO SCALE
BLACK BULL STREAM AND WETLAND
MITIGA TION BAND
ALAMANCE COUNTY,NORTH CAROLINA
Project Asset Table
Restoration
Creditable
Approach
Project Component
Existing Footage/
Stationing
Footage or
Footage or
Restoration Level
Priority
Mitigation
Mitigation
Notes/Comments
-or- Reach ID
Acreage
Acreage
Acreage
Level
Ratio (X:1(
Credits
T1 Reachl
1,425
10+67-27+46
1,679
1,679
Restoration
1
1:1
1,679
T1 Reach
467
27+46-31+38
391
331
Restoration
1
1:1
331
T1 Reach
524
31+38-36+42
505
505
Enhancement 11
N/A
2.5:1
202
T1 Reach
1108
36+42-47+51
1,108
1,048
Enna ncementl
N/A
1.5:1
699
T2 Rea ch1
299
200+00-203+17
317
317
Enna ncementl
N/A
1.5:1
211
T2 Reach 2
422
203+17-207+53
436
436
Restoration
1
1:1
436
T2 Reach 3
558
207+53-213+28
575
515
Restoration
1
1:1
515
T2 Reach
1158
213+28-227+42
1,414
1 1,323
Restoration
1
1:1
1,323
T3 Reach
55
300+00-300+55
55
55
Enha ncementl
N/A
1.5:1
37
T3 Reach
222
300+55-302+44
189
189
Restoration
1
1:1
189
T4
299
400+00 - 402+84
284
284
Restoration
1
1:1
284
Riparian Wetland
Restoration (Re-
N/A
N/A
2.621
2,621
Restoration
N/A
11
2.621
establishment)
(Re-establishment)
Riparian Wetland
Restoration
0.380
N/A
0.356
0.356
Restoration
N/A
1.5:1
0.142
Rehabilitation
(Rehabilitation)
*Crossings have been removed from creditable linear footage for all project streams.
GRAPHIC SCALES
-200' 0 240' 480'
TITLE SHEET
-40' 0 40' 80'
PLAN SHEETS
DIRECTIONS TO SITE
From Raleigh, take I-40 West to Exit 145,
NC-49 South. Follow for approx. 13 miles
and then take a right onto Friendship
Patterson Mill Road. Take a left onto
Friendship Rock Creek Road. The project
is approx 1 mile down the street.
NC GRID
NAD '83
— — — — — — — — — — — — — — —
—
-- — — — — — — — -------- BEGIN
TRIBUTARY 3
BEGIN
TRIBUTARY 4
I
I
I
I I I SHEETS 6& 27 I
I I SHEETS 7 & . 26�----------------------
—
I SHEETS 8 & 25 I ___--------— — — — — — — -
-------------
i sNEFrs
OI
STATE
KCI PROJECT NUMBER
SHEET
NO.
TOTAL
SHEETS
�o�0
161)Ofi168
161706168
�
��
INDEX OF SHEETS
1 TITLE SHEET
2 GENERAL NOTES &PROJECT LEGEND�EK'l
3-4 DETAILS
5 TYPICAL CROSS -SECTIONS
5A CULVERT DETAILS
6-10 SITE PLAN
11-13 PROFILES
14-6 PLANTING PLAN
17-19 BOUNDARY MARKING PLAN
20-29 EROSION CONTROL PLAN
LIMITS OF DISTURBANCE = 24.95 ACRES
Prepored In the 0/fJce o/:
�� ,iSSOCWTE6 OF NC
LNcIII Ell •PLANNLRs•ECOLOGISTS
4505 FALLS OF NEUSE ROAD
suiTE 400
RALEIGH, NC 27609
Prepore0 by:
GARY M. MRYNCZA, PE
PROJECT ENGINEER
ALEX FRENCH
PROJECT DESIGNER
TARY 1
PROJECT ENGINEER
,���IITI1,1,1
��OP�H CAgQ��
SEAL
82733
/llllllylit��,
P.E.

GENERAL NOTES:
BEARINGS AND DISTANCES:
ALL BEARINGS ARE NAD 1983 GRID BEARINGS.
ALL DISTANCES AND COORDINATES SHOWN ARE HORIZONTAL
(GROUND) VALUES.
UTILITY/SUBSURFACE PLANS:
NO SUBSURFACE PLANS ARE AVAILABLE ON THIS PROJECT.
EXISTING UNDERGROUND UTILITIES HAVE NOT BEEN VERIFIED.
THE CONTRACTOR IS RESPONSIBLE FOR CONTACTING A UTILITY
LOCATOR AND ESTABLISHING THE EXACT LOCATION OF ANY AND
ALL EXISTING UTILITIES IN THE PROJECT REACH.
PROJECT LEGEND:
CONTROL POINTS
DESC.
NORTHING
EASTING
ELEV.
KCI#1
811266.7640
1858759.7830
620.8080
KCI#2
811689.8770
1858590.7050
626.6070
KCI#3
811559.2220
1857533.6570
607.5830
KCI#4
811794.3400
1857069.4750
599.2720
KCI#5
810778.1510
1856603.4560
605.9580
KCI#6
811186.2280
1856460.4620
600.6360
KCI#7
811794.8280
1856484.5490
596.1390
KCI#8
812329.4420
1856542.9080
588.2260
KCI#9
813021.6750
1856779.8900
593.0350
KCI#10
813364.2530
1856555.4720
581.8040
Aj
SEAL
Q ; 32733
Z
. -..PINE W g
11,1��114t 1, -
O
O O
Proposed Thalweg
w/Approximate Bankfull Limits
N M
Minor Contour Line
Major Contour Line
Proposed Riffle Enhancement
0
Overhead Utility Line —oHw
z
Proposed Riffle Grade Control
o
Q
Q
I- z
Proposed Cascade Structure
o
W _J
o
Y
zQ
Proposed Step Pool __ ___________________________
=
Q CO
2i z o
Proposed Live Lift
UJ z
Proposed Bench Grading
U) (D o
J �
w
J U
z
Existing Channel to be Filled
co Q
Y J
U Q
Proposed Channel Block _ __ _________________
m
GENERAL
NOTES &
PROJECT
LEGEND

USE 70OG COIR MATTING BACKED WITH WESTERN
EXCEL CC4 EROSION CONTROL BLANKET. BACKFILL
WITH SUITABLE GROWING MATERIAL.
z IN LIVE WHIPS ON TOP OF LAYER OF
USE 700 GRAM COIR MATTING a SUITABLE SOIL (0.1' - 0.2') WITH APPROX.
a m SEE ROCK BASE SECTION
ON ANY GRADED BENCHES O w 1 FOOT OF PLANT MATERIAL EXPOSED. FOR MATERIALS
OR TERRACE SLOPES r O MINIMUM LENGTH OF CUTTINGS SHALL BE INSTALL SOIL FOR
3' MINIMUM 4'. DISTANCE BETWEEN CUTTINGS SHALL BE 4", WHIPS ON TOP OF
BENCH FILTER FABRIC III—
III— III III BA EFOLOW E BRUSH FILL `+ 1 1 4„ EXPOSED
WOOD TOE
Z O (�O O..,:. (o�O O / = — — — — — QSEFLOW
(n O QO�Ooo O nOOOo O% ° co
o OooDO c�Ooo � ooDOo 0
_ 5' MINIMUM _ PER DESIGNER'S DIRECTION, CROSS LIMBS S MINIMUM _
10% NATIVE SOIL , INTERSPERSE WITH WOODY
10% CLASS A STONE DEBRIS THAT EXTENDS INTO
20% CLASS B STONE POOL TO ENHANCE HABITAT.
SECTION (ROCK BASE) SECTION (WOOD BASE)
60% CLASS 1 STONE Y 0 Y
LIFTS AT STATIONS 30+53, 35+65, LIFTS AT STATIONS 13+43, 17+56, Z O Z
45+85, 46+75 21+89, 26+17, 201+83, 208+91, 211+39, a m m
216+90,220+77,225+98 O O m O
SEE ROCK
NOTES: MIXTURES BELOW
USE 1.5'x1"x2" WOODEN STAKES ON 2' CENTERS.
STAKES SHALL HAVE A'ROOFING' NAIL AT TOP
SEE CROSS-SECTION
TO KEEP FABRIC FROM SLIPPING OFF. 6" MINIMUM SHEET FOR EXACT
(SEE STON DIMENSIONS
INSTALLATION
NOTES) SECTION
NOTE:
PER DESIGNER'S
DIRECTION,
INTERSPERSE
WITH WOODY
LIVE LIFT DEBRIS TO RIFFLE ENHANCEMENT
SCALE: NTS ENHANCE HABITAT. SCALE: NTS
LAY FILTER FABRIC OVER UPSTREAM
TOP EDGE OF SILL ROCK(S); BEHIND
FILTER FABRIC, BACKFILL CLASS A
SEE PROFILE SHEETS FOR
AND NATURAL STREAM MATERIALS.
STATIONS AND ELEVATIONS
0
PROPOSED
i
PROFILE
w
FLOW --i
z
z
III°
BASEFLOW SZ
m
z
m 1 a
m
INSTALL CENTER BOULDER
0
a
o ILL
O
a
LLI
J
_
SLIGHTLY LOWER THAN SIDE
BOULDERS TO FORCE FLOW
O
w
O
0
O
P
tL
LL
TO CENTER OF CHANNEL
III —III III —III
��=III III —III— ���
iucTni i cu i AT a AK1n1 F
_ MIN. 1
5FT
FILTER
FABRIC
18" NOM. THICKNESS MIX OF: —FILTER FABRIC
20% CLASS A STONE (KEY IN UNDER
80%CLASS B STONE STREAM BED)
PROFILE VIEW
NOTES:
FOR DOUBLE STEP POOLS, CONTINUE ROCK MIXTURE
FROM FIRST SILL ALL THE WAY TO THE SECOND SILL.
DO NOT STOP AT THE 6FT MINIMUM AS SHOWN IN THE
SINGLE STEP POOL PLAN VIEW.
BOULDERS SHOULD BE NATIVE STONES OR SHOT
ROCK, ANGULAR AND OBLONG, WITH AN AXIS
APPROXIMATELY 3' L x T W x 1.5' D.
BOULDER SILLS TO EXTEND F MINIMUM INTO STREAM
BANKS FOR STEP POOL STRUCTURES.
STONE INSTALLATION: START BY INSTALLING STONE
MIXTURE. THEN ADD SURGE STONE TO FILL IN VOIDS.
FINISH BY WASHING IN NATURAL STREAM MATERIAL
TO OBTAIN FINAL GRADE.
IF APPROVED BY DESIGNER, BOULDER SILLS CAN BE
REPLACED WITH LIVE HARDWOOD LOGS FOUND ON
SITE. LOGS MUST BE A MINIMUM OF 10" DIAMETER
AND STACKED IN A TRIANGLE FORMATION.
NAIL (WITH PLASTIC WASHER) FILTER FABRIC TO
THE TOP LOG AND CONTINUE DOWN AND UNDER
STRUCTURE AS SHOWN ON STEP POOL DETAIL.
LOG SILL
SCALE: NTS
MIN.
18" NOM. THICKNESS MIX OF:
20% CLASS A STONE
80 % CLASS B STONE
STONETOE:
START ROCK 2FT
BELOWWATERS EDGE
AND EXTEND TO 0.5FT
/
ABOVE WATERS EDGE
i
co
.0
Q
"/
PLAN VIEW
0,fl40001#,,+*
SEAL
p ; 32T33
*r
♦ '�/ P ice'- �•
ROCK MIXTURES
REACH
CLASS A
CLASS B
NATIVE SOIL
TI-xsA
50%
40%
10%
TI-xsB
50%
40%
10%
T2-xsA
80 %
20%
T2-xsB
60%
30%
10%
T2-xsC
50%
40%
10%
T2-xsD
50%
40%
10%
T3
50%
40%
10%
T4
50 %
40%
10%
STONE INSTALLATION:
START BY INSTALLING STONE MIXTURE. FINISH BY
WASHING IN NATURAL STREAM BED MATERIAL TO
FILL IN VODS AND OBTAIN FINAL GRADE.
Y 0 Y
am o m
O m O SEE CROSS-SECTION SHEET
FOR EXACT DIMENSIONS
` WRAP AND STAKE COIR
MATTING UNDER
1' MIN. CONSTRUCTED BANK
SEE NOTE
BELOW ._�
2' MIN. SEE ROCK
MIXTURES BELOW
NOTE:
SECTION PER DESIGNER'S DIRECTION,
INTERSPERSE WITH WOODY
DEBRIS TO ENHANCE HABITAT.
zu w
(7 LL SEE PROFILE SHEETS FOR LL
m STATIONS AND ELEVATIONS O _
FOR BEGIN AND END OF w
RIFFLE
FLOW —► TAPER STONE INTO
�BASEFLOW _ _ _ _ _ _ _ _ EXISTING STREAM BED
o°e� O OOo o POOL
-I 1=1IIIIII-IIII I II I II IIiiiiiiiiiiii
IIIIIII-I-
1I I -I I I -I 11=1 11=1 11=1 11=1 11=1 11=1 I I-III-III-ll=LT��I I=l=ll1=ll1=111=111=
=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I=111=III=III=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I=1 I I
PROFILE
STONE INSTALLATION:
START BY INSTALLING STONE MIXTURE. FINISH BY
WASHING IN NATURAL STREAM BED MATERIAL TO
FILL IN VOIDS AND OBTAIN FINAL GRADE.
RIFFLE GRADE CONTROL
SCALE:NTS
ROCK MIXTURES
REACH
CLASS A
CLASS 6
NATIVE SOIL
TI-xsA
50%
40%
10%
TI-xsB
50%
40%
10%
T2-xsA
T2-xsB
60%
30%
10%
T2-xsC
50%
40%
10%
T2-xsD
50%
40%
10%
T3
50%
40%
10%
T4
0
z
Q Q
I>- z
O
0 Y 0
Z Q =
Q m �
2i Z O
Q
w
Q D
(n UI o
J ~ W
J U
Q
m 2i
Y Q
U Q
Q
J
m
DETAILS

NOTES:
-MATTING SHALL BE INSTALLED PRIOR
TO THE INTRODUCTION OF WATER TO
A STREAM SECTION.
-MATTING SHALL BE INSTALLED ALONG
BOTH SIDES OF NEW STREAM LENGTH.
-MATTING SHALL EXTEND FROM TOE
OF SLOPE TO THE TOP OF BANK.
COIR MATTING
�l1" x 2" NOTCHED
GRADE STAKE
ANCHORING
COIR MATTING
SCALE: NITS
Wbkf
INSTALL TO ONLY HALF TYPICAL RIFFLE
BANKFULL ON INNER
BENDS OF POOLS
-------------- Wbkf -----
- BANKFULL
GROUND SURFACE
NOTE:
COIR MATTING SHALL BE TYPICAL POOL mil` WATER SURFACE
INSTALLED ALONG ENTIRE COIR MATTING
BANK HEIGHT FOR STEP
POOL STRUCTURES
EXAMPLE COIR MATTING PLACEMENT
SCALE:NTS
STABILIZED ROCK OUTLET
(SEE DETAIL THIS SHEET)
DETENTION AREA FLOW
DEPTH APVP�R�O�X.. /0.5'
V V M1\\
SECTION A -A' (PROFILE VIEW)
NOTES:
EXACT DEMENSIONS OF BMP TO BE COORDINATED WITH DESIGN
REPRESENTATIVE AT TIME OF INSTALLATION.
ONCE TREATMENT AREA IS GRADED, LINE PONDED AREA
WITH A 2" LAYER OF MULCH AND TOPPED WITH 2" OF TOPSOIL.
WATER QUALITY TREATMENT AREA
SCALE:NTS
FILTER
FABRIC
27
3'
�0 -0
6" NOM. THICKNESS MIX OF:
10 % CABC STONE
30% CLASS A STONE
STONE INSTALLATION:
60% CLASS B STONE
(WASH IN NATURAL STONE AND
START BY INSTALLING STONE MIXTURE.
SOIL MATERIAL TO FILL IN VOIDS)
FINISH BY WASHING IN NATURAL STREAM
BED MATERIAL TO FILL IN VOIDS AND
OBTAIN FINAL GRADE.
STABILIZED ROCK OUTLET
SCALE:NTS
UNCOMPACTED BACKFILL
1 MIN. COMPACTED
FINISH GRADE 5 BACKFILL
o 5'� FLOW
COMPACTED ° CHANNEL
BACKFILL MIN. 1.0' THICK �S, 2� INVERT
SEDIMENT CONTOL STONE
CLASS STONE
SEE PROFILE SHEETS FOR
STATIONS AND ELEVATIONS
FOR BEGIN AND END OF
I RIFFLE
DESIGNED IBEGN
RIFFLE ELEVATON
(SEE PROFILE SHEETS)
TAPER RIFFLE MATERIAL
INTO FINAL GRADE
COMING OUT OF POOL
DESIGNED POOL
ELEVATION
NOTES:
WRAP AND STAKE COIR MATTING UNDER
CONSTRUCTED BANK THROUGHOUT ENTIRE
LENGTH OF RIFFLE SECTIONS.
START BY INSTALLING STONE MIXTURE,
FINISH BY WASHING IN NATURAL STREAM
BED MATERIAL TO FILL IN VOIDS AND
OBTAIN FINAL GRADE.
SEE CROSS-SECTION SHEET FOR EXACT
DIMENSIONS.
CHANNELBLOCK
SCALE:NTS
DESIGNED END
RIFFLE ELEVATION
(SEE PROFILE SHEETS)
LOG DROP BOULDER
OR LOG SILL
- - - - - - - - - - - - - - - - - - - - - - - -
�O h FLOW--�
NOTE:
PER DESIGNER'S DIRECTION,
INTERSPERSE WITH WOODY SECTION B-B' (LONGITUDINAL VIEW)
DEBRIS TO ENHANCE HABITAT.
0
0
a m G m STABILIZE BANKS
0 O 0 O WITH 700 GRAM
COIR MATTING
SECTION A -A' (CROSS-SECTION VIEW)
r A
OR LOGS
• o • o
-o
• o
a
- o
-o a
• o
-o
• o
• o .
-o
o .o
° •o ° .o
o ° .o
°
o
° .o o
0
B
w
a
oo •o °o oo
o o •o a
•o °oo•
o o •o° o
.o °oo•
.o
o-o ,00,
,o
•o° o .o a
°—
°go• o0
0 00 °go.
r
A'_
VARIES
PLAN VIEW
CASCADE STRUCTURE
SCALE:NTS
SEAL
p 32733 g
pi
/rf 7�1141 yL1j17'1
DISTRIBUTE RIFFLE GRADE
EVENLY THROUGHOUT
BOULDER DROPS. EXACT
NUMBER OF DROPS TO BE
DETERMINED BY DESIGN
REPRESENTATIVE.
DESIGNED POOL
ELEVATION
WRAP AND STAKE COIR
MATTING UNDER
CONSTRUCTED BANK
10 % NATIVE SOIL
30 % CLASS A STONE
60 % CLASS B STONE
(WASH IN NATURAL STONE AND
SOIL MATERIAL TO FILL IN VOIDS)
NOTE:
PER DESIGNER'S DIRECTION,
INTERSPERSE WITH WOODY
DEBRIS THAT EXTENDS INTO
POOL TO ENHANCE HABITAT.
to o
--- --
-----
0 0— -o o . 0 0
o o" °
B
o0 o F(OW oo •
LL
�o °° g o • o °° oo a °° g o
BOTTOM OF BANK
0 0 0 o o
TOP OF BANK
(BANKFULL)
0
vm
wo
F�
� N
QJ
O�
KQ
w0
U) =
w-
LL
ZO
oZ
J (�
QW
LL Q
v
f
DETAILS

REACH: T1-xsA - STATION 10+00 TO 27+46
I'll STREAM TYPE
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
9 4'
'\25_ 27 2' 2' 27 -1�-
1- 2yi
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
TYPICAL RIFFLE
0 = THALWEG LOCATION
13.2'
8.5' 47 1
2.7
TYPICAL POOL - RIGHT MEANDER
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
r' + 13.2' 1
\z5 1 4.T 8.5' I
2 7'
TYPICAL POOL - LEFT MEANDER
REACH: T2-xsB - STATION 203+17 TO 207+53
"C4" STREAM TYPE
REACH: T1-xsB - STATION 27+46 TO 31+37
"C4" STREAM TYPE
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
12.4'
37 2.5' 2.5' 37
TYPICAL RIFFLE
0 = THALWEG LOCATION
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
17 4' 1
11.26.21 \25..1
\' '� _-_-_-_-_-_-_�
I
TYPICAL POOL - RIGHT MEANDER
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
+ 17.4'
6.2' 11.2'
3.6'
TYPICAL POOL - LEFT MEANDER
REACH: T2-xsC - STATION 207+53 TO 213+28
"C4" STREAM TYPE
REACH: T2-xsA - STATION 200+00 TO 203+17
REACH: T3 - STATION 300+00 TO 302+44
"C4" STREAM TYPE
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
6.2'
\zs 1 1.8'11.3+1.3_T1.8'
,1I I I I 2i-
TYPICAL RIFFLE
0 = THALWEG LOCATION
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
8 7 -
5.6' 3.1' 1
t
I
TYPICAL POOL - RIGHT MEANDER
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
8.7'
\z5 3.1' 5.6' �I
I �-1
TYPICAL POOL - LEFT MEANDER
REACH: T2-xsD - STATION 213+28 TO 227+42
"C4" STREAM TYPE
CApo
SEAL
32733
�� • ,qs
r
r ,•
+Iifl
.,,,NAEL �'./••
+�{11111s11i1/
-4' -2' 0' 4' 8'
GRAPHIC SCALE
REACH: T4 - STATION 400+00 TO 402+84
"C4" STREAM TYPE
SEE PLAN SHEETS
FOR FLOODPLAIN
SEE PLAN SHEETS
FOR FLOODPLAIN
SEE PLAN SHEETS
FOR FLOODPLAIN
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
EXTENTS
EXTENTS
EXTENTS
SW
1 6.8'
T
1
z
1.9' 1.3' 1.3'1 1 9'
2 J 1
Z 1
2.3' 1 1.7' 1.7' 1 2.3' 1
1/
1 1
2.5' 2' 2' 2.5' 1
2' 1 4' 1.4' 2'
1 1 1
25i1i'?5:
LLI J
O
0
c
0
TYPICAL RIFFLE
TYPICAL RIFFLE
TYPICAL RIFFLE
TYPICAL RIFFLE
0 U
O= THALWEG LOCATION
O= THALWEG LOCATION
O= THALWEG LOCATION
O= THALWEG LOCATION
z
z Z
m
SEE PLAN SHEETS
FOR FLOODPLAIN
SEE PLAN SHEETS
SEE PLAN SHEETS
SEE PLAN SHEETS
FOR FLOODPLAIN
cQ
G Z Z
EXTENTS
FOR FLOODPLAIN
EXTENTS
FOR FLOODPLAIN
EXTENTS
EXTENTS
Q O
9
11.2'
12.6'
9.5'
t
w H
32' I
�z�-�
I I
72' 4' I
1
2 I I
8.1' 4.5' I
1
1
2 I I 8.1' 34' I 1�-
Z
O
J ~
2
w
2.6'
N
a
TYPICAL POOL - RIGHT MEANDER
TYPICAL POOL - RIGHT MEANDER
TYPICAL POOL - RIGHT MEANDER
TYPICAL POOL - RIGHT MEANDER
Y J
U a
Q
J
m
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
1 9'
1 3.2' 5.8' 1
TYPICAL POOL - LEFT MEANDER
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
11.2'
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
12.6'
SEE PLAN SHEETS
FOR FLOODPLAIN
EXTENTS
9.5'
4' 7.2' 11 2 4.5' 8.1' 1 1 7 1 3.4' 6.1' 1
I
a _ -
2.3' a 2.6' _ 2
TYPICAL POOL - LEFT MEANDER TYPICAL POOL - LEFT MEANDER TYPICAL POOL - LEFT MEANDER
TYPICAL
CROSS -
SECTIONS

12" PEP
FLOODPLAIN CULVERT
SET AT ELEVATION
APPROXIMATELY
TWO-THIRDS
OF MAIN
STRUCTURE'S
INSTALL RIPRAP CAPACITY
UP TO TOP OF
ROADWAY EDGE F77
PIPE OR BOX
CULVERT PER
PROPOSED CROSSING
SIZING TABLE BELOW
MIN. FILL 1' ^^ 6" ABC STONE
° O
O
° O
CLEAN
FILL
FILL DIRT
STABILIZE WITH
CLASS 1 RIPRAP
O O OOo O
�z
EMBED CULVERT
UNTIL ROADWAY Q� O O O O
0
z�
F
1' BELOW INVERT
TRANSITIONS
° O o O °
0 00 O O
z o
O
USING:
10% CABC STONE
INTO NATURAL �
O
OOo O
Soo
10% CLASS A STONE
GRADE.
20% CLASS B STONE
ys°
60% CLASS 1 STONE
STRUCTURE INVERT
TOP WITH SURGE STONE
(EMBEDDED
TO FILL VOIDS AND
UNLESS NOTED)
WASH IN NATURAL
STREAM MATERIAL
TO REACH FINAL GRADE
BANK STABILIZATION DETAIL
ROADWAY DETAIL
(REPLICATE ON OTHER SIDE)
(REPLICATE ON OTHER SIDE)
UPSTREAM
SECTION
TYPICAL C;ROSSING3 - PROFILE VIEW
LENGTH OF STRUCTURE
TOP OF ROADWAY WIDTH
6" ABC STONE
CLASS 1 STONE 6" CLEAN FILL DIRT
O
STREAMBED �E FLOW mz
ELEVATION SEE NOTE ON EMBEDDED ROCK MIX OW
a w
° O OoO °0000 ° Oo00 o 00(0:) - 0 O oo 0 o a 0
0 00. o IL0
STRUCTUREINV.
EMBEDDED 1FT STRUCTUREINVERT
UNLESS NOTED EMBEDDED 1 FT
OTHERWISE PROFILE A -A' THROUGH PIPE OR BOX UNLESS NOTED
OTHERWISE
PROPOSED CROSSING SIZING
PROJECT
WIDTH OF
APPROX.
PROPOSED
LENGTH OF
UPSTREAM
DOWNSTREAM
UPSTREAM
DOWNSTREAM
REACH
ROADWAY(FT)
TOP OF
STRUCTURE
PROPOSED
ELEVATIONS (FT)
ELEVATIONS (FT)
STRUCTURE
STRUCTURE
ROADWAY
(ALL
STRUCTURE
STREAM BED /
STREAM BED /
STATION
STATION
EMBEDDED 1 FT
(FT)
EMBEDDED
EMBEDDED
ELEVATION
BELOW
STRUCTURE
(FT)
STREAM
STRUCTURE
THALW EG
UNLESS
NOTED
T1 Top
20
610.0
60" HDPE
30
604.83 stream /
604.56 stream /
10+18.55
10+48.55
603.83 emb
603.56 emb
T1 Middle
20
590.9
8' x 5'
30
585.23 stream /
584.50 stream /
29+12.85
29+42.85
CONCRETE BOX
584.23 emb
583.50 emb
T1 Bottom
20
578.6
10' x 5'
30
572.67 stream /
572.67 stream /
38+63.80
38+93.80
CONCRETE BOX
571.67 emb
571.67 emb
T2 Top
15
625.0
36" HDPE
20
621.36 stream /
619.88 stream /
199+80.00
200+00.00
620.36 emb
618.88 emb
T2 Middle
20
689.0
54" HDPE
30
606.45 stream /
606.08 stream /
210+27.18
210+57.18
605.45 emb
605.08 emb
T3 Top
15
625.2
42" HDPE
20
576.40 stream /
575.00 stream /
299+18.23
299+38.23
575.40 emb
574.00 emb
Above
15
580.6
36" HDPE
30
621.70 stream /
621.40 stream /
N/A
N/A
Pond
620.70 emb
620.40 emb
NOTES:
CULVERT THICKNESSES ASSUMED TO BE 8". ACTUAL THICKNESSES
TO BE DETERMINED BY FABRICATOR.
DESIGN ROADWAY FILL IS A MINIMUM OF 1.0' AT ALL CROSSINGS.
IN LIEU OF WINGWALLS SEE RIPRAP PROTECTION/STABILIZATION.
��4114111!!!!
rr r�H 4Afj,
p.
SEAL
32733
AEL
!!!l111145�i�.
a
6" COVER OF ABC STONE
UNDERLAID BY 6" CLEAN FILL
DIRT FOR EXTENT OF ROADWAY.
COMPACT FILL DIRT IN 0.2'-LIFTS
BEFORE INSTALLING ABC STONE.
TIE OUT ROADWAY GRADING
CLASS 1 AT EXTENT OF FLOODPLAIN GRADING.
STONE / -
00C 0 D o 0 ° 0 o 00
O a ° o Q
oQ ° ° 0 0 °
Do o a o ° 0 o 0 ° OC
>Oo a o° °o ° ° ` ° o° °0-_(
0 o
° n 1 0
FLOW
A
JU o 0 v�
J oc-) 0° 0 0 0 0 a OO
° 0 0(
o
00° °Q° °
o
0
0 0 ° O,aDoO °
CLASS 1 STONE
12" PEP
FLOODPLAIN
CULVERT
PIPE OR BOX
(SEE TABLE
FOR SIZING)
�A'
0 0 o
D °
0
-0 _)� O °° 0 0 0°°° O O 12" PEP
Q FLOODPLAIN
° 0 o CULVERT
a 0
a
0 0>v 0 0° a , o
0 0 ° a
Du
O
00
0�°�°0 °a °
0
d
o
o
o o°
0 o Q ° 0 0
tD
D ° o a °
ROADWAY WIDTH
PIPE OR BOX LENGTH
0
Z
Q
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-=: NOV 2019
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PLANTING NOTES:
RIFFLES - 1 ROW OF LIVE STAKES ON BOTH SIDES OF CHANNEL.
POOLS - NO LIVE STAKES ON INNER BENDS, 1 ROW ON OUTER BENDS.
(INSTALL TWO ROWS OF LIVE STAKES ALONG BANKS OF
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OF MATERIAL THAT WILL LAST A MINIMUM OF 20 YEARS.
THE PROV DER SHALL ATTACH A CONSERVATION EASEMENT
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OF MATERIAL THAT WILL LAST A MINIMUM OF 20 YEARS.
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O 5/8" REBAR 30" IN LENGTH WITH 3-1/4" ALUMINUM CAPS
ON ALL EASEMENT CORNERS.
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OF MATERIAL THAT WILL LAST A MINIMUM OF 20 YEARS.
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SEEDING AND PLANTING NOTES:
TEMPORARY SEED MIX
SEDIMENTATION AND EROSION CONTROL NOTES:
1. IT IS THE INTENT OF THESE PLANS THAT AS SOON AS AN AREA OF GRADING IS COMPLETE IT
SHALL BE STABILIZED IN ACCORDANCE WITH THE EROSION CONTROL PRACTICES DESCRIBED
IN THESE PLANS.DUE TO THE ANTICIPATED DURATION AND SEQUENCE OF THE CONSTRUCTION
ACTIVITIES, THE CONTRACTOR IS REQUIRED TO MINIMIZE, AS MUCH AS POSSIBLE, THE AMOUNT
OF THE AREA THAT IS DISTURBED AT ONE TIME.
2. THE CONTRACTOR SHALL EXERCISE EVERY REASONABLE PRECAUTION THROUGHOUT THE
CONSTRUCTION OF THE PROJECT TO PREVENT EROSION AND SEDIMENTATION. EROSION
CONTROL MEASURES SHALL BE INSTALLED AND MAINTAINED IN ACCORDANCE WITH THE
PROJECT PLANS, NORTH CAROLINA SEDIMENT AND EROSION CONTROL GUIDELINES AND AS
DIRECTED BY THE DESIGNER.
3. IN THE EVENT OF A STORM, THE CONTRACTOR WILL BE RESPONSIBLE FOR REMOVAL OR
PROTECTION OF ANY EQUIPMENT, TOOLS, MATERIALS OR OTHER ITEMS NEEDED TO COMPLETE
THE WORK THAT COULD BE AFFECTED BY STORMWATER.
4. EACH SEDIMENT CONTROL DEVICE WILL BE REMOVED AFTER ALL WORK IN THE CORRESPONDING
CONSTRUCTION PHASE HAS BEEN COMPLETED AND ADEQUATE PERMANENT GROUND COVER HAS
BEEN RE-ESTABLISHED ON THE DISTURBED AREAS, AS DETERMINED BY THE DESIGNER.
5. THE CONSTRUCTION ENTRANCES AND STAGING AREAS IDENTIFIED ON THE PLANS PROVIDE THE
ONLY ACCESS POINTS INTO THE LIMITS OF DISTURBANCE. NO ADDITIONAL ACCESS POINTS SHALL
BE USED WITHOUT APPROVAL OF THE DESIGNER.
6. ALL EXCAVATED MATERIAL SHALL BE STOCKPILED WITHIN THE LIMITS OF DISTURBANCE FOR
LATER USE AS FILL MATERIAL. SILT FENCE SHALL BE INSTALLED ON THE LOW SIDE OF ANY
TEMPORARY OR PERMANENT SPOIL AND TOPSOIL PILES. THESE SPOIL PILES SHALL ALSO BE SEEDED
AND MULCHED FOR VEGETATIVE STABILIZATION WITHIN 7 DAYS THAT THEY ARE CREATED. ALL SPOIL
MATERIAL SHALL STAY ON THE SITE AND SHALL NOT BE REMOVED FROM THE SUBJECT PROPERTY
WITHOUT DESIGNER APPROVAL.
7. ALL EROSION AND SEDIMENT CONTROL PRACTICES WILL BE CHECKED FOR STABILITY AND FUNCTIONAL
OPERATION FOLLOWING EVERY RUNOFF PRODUCING RAIN EVENT AND/OR AT LEAST ONCE PER WEEK.
ANY NEEDED MAINTENANCE OR REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL MEASURES
AS DESIGNED. ACCUMULATED SEDIMENT SHALL BE REMOVED FROM CONTROL MEASURES WHEN THEY
REACH APPROXIMATELY 50% OF THEIR FUNCTIONAL CAPACITY. THESE MEASURES SHALL BE REPAIRED
IF DISTURBED DURING MAINTENANCE. ALL SEEDED AREAS SHALL BE FERTILIZED, RESEEDED AND
MULCHED, AS NECESSARY, TO PROMOTE THE ESTABLISHMENT OF VEGETATION COVER.
8. THE CONSTRUCTION MANAGER AND EROSION CONTROL CONTACT FOR THIS SITE IS TIM MORRIS.
OFFICE PHONE [phone] / CELL PHONE [phone].
9. ALL EXCESS WASTE MATERIAL SHALL BE DISPOSED OF AT A PERMITTED FACILITY OR SITE.
(15A NCAC 04B .0110)
SEDIMENTATION &EROSION
CONTROL PLAN LEGEND
LIMITS OF DISTURBANCE --------------------------------- -LOD
SILT FENCE .................................................. SF
STRAW WADDLE W
TEMPORARY BRIDGE MAT STREAM CROSSING .....
STREAM TO BE FILLED ------------------------------------
STAGING AREA
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STOCK PILE
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TEMPORARY CHANNEL DIVERSION --------------------
TCD
THE CONTRACTOR SHALL UTILIZE THE FOLLOWING SEED/FERTILIZER
MIX IN SEEDING ALL DISTURBED AREAS WITHIN THE PROJECT LIMITS:
SUMMER MIX (MAY 15 - AUGUST 15)
GERMAN MILLET .. _ .. SETARIA ITALICA 20 LBS / ACRE
BROWNTOP MILLET UROCHLOA RAMOSA- - - - 20 LBS / ACRE
WINTER MIX (AUGUST 15 - MAY 15)
RYE GRAIN- - _ - - _ - - _ SECALE CEREALE_ _ _ _120 LBS / ACRE
THE CONTRACTOR SHALL UTILIZE THE PERMANENT SEED MIXES
INDICATED BELOW. THE UPLAND SEED MIX SHOULD BE USED IN
DRYER PARTS OF THE SITE, WHILE THE RIPARIAN SEED MIX
SHOULD BE USED LONG THE FLOODPLAIN AND BANKFULL BENCHES
AND AS DIRECTED BY THE DESIGNER.
PERMANENT UPLAND SEED MIX
SUMMER MIX (MAY 15 -- AUGUST 15)
APPLICATION RATE (IN MIX)
SPECIES
% OF MIX
LBS/ACRE
ORCHARDGRASS -- DACTYLIS GLOMERATA
5
1.5
BLUESTEM -- ANDROPOGON GLOMERATUS
5
1.5
VIRGINIA WILDRYE -- ELYMUS VIRGINICUS
10
3.0
RIVER OATS -- CHASMANTHIUM LATIFOLIUM
5
1.5
DEERTONGUE -- PANICUM CLANDESTINUM
25
7.5
SWITCHGRASS -- PANICUM VIRGATUM
25
7.5
PEARL MILLET-- PENNISETUM GLAUCOMA
25
7.5
TOTALS 100
30
WINTER MIX (AUGUST 15 -- MAY 15)
APPLICATION RATE (IN MIX)
SPECIES % OF MIX LBS/ACRE
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BIG BLUESTEM -- ANDROPOGON GERARDII 8 2.3
SWITCHGRASS -- PANICUM VIRGATUM 11 3.3
AUTUMN BENTGRASS --AGROSTIS PERENNANS 11 3.3
BLACK-EYED SUSAN -- RUDBECKIA HIRTA 8 2.3
LANCELEAF COREOPSIS -- COREOPSIS LANCEOLATA 8 2.3
SOFT RUSH -- JUNCUS EFFUSUS 4 1.1
LITTLE BLUESTEM -- SCHIZACHYRIUM SCOPARIUM 4 1.1
INDIAN GRASS -- SORGHASTRUM NUTANS 4 1.1
EASTERN GAMMA -- TRIPSACUMDACTYLOIDES 4 1.1
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FERTILIZER______________________________________ 750LBS /ACRE
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FERTILIZER SHALL BE 10-10-10 ANALYSIS. UPON SOIL ANALYSIS
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THE SEEDBED SHALL BE COMPRISED OF LOOSE SOIL AND NOT COMPACTED. THIS MAY
REQUIRE MECHANICAL LOOSENING OF THE SOIL. SOIL AMENDMENTS SHOULD FOLLOW
THE FERTILIZER AND LIMING DESCRIPTION IN THE ABOVE SECTIONS. FOLLOWING SEEDING,
MULCHING SHALL FOLLOW THE BELOW APPLICATION METHODS AND AMOUNTS. AREAS
CONTAINING SEVERE SOIL COMPACTION WILL BE SCARIFIED TO A DEPTH OF 8 INCHES.
NOV 2019
MULCHING
E: N.T.S.
EROSION
SEEDED AREAS ARE TO BE PROTECTED BY SPREADING STRAW MULCH UNIFORMLY TO
FORM A CONTINUOUS BLANKET (75 % COVERAGE = 2 TONS/ACRE).
CONTROL
NOTE: FERTILIZER IS ONLY TO BE APPLIED ONCE. IF TEMPORARY SEED AND FERTILIZER IS
PLAN
APPLIED PRIOR TO PERMANENT SEED, THEN FERTILIZER SHALL NOT BE APPLIED WITH THE
PERMANENTSEED.
SHFFT gn OF ?4

GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH
THE NCGO1 CONSTRUCTION GENERAL PERMIT
Implementing the details and specifications on this plan sheet will result in the construction
activity being considered compliant with the Ground Stabilization and Materials Handling
sections of the NCGO1 Construction General Permit (Sections E and F, respectively). The
permittee shall comply with the Erosion and Sediment Control plan approved by the
delegated authority having jurisdiction. All details and specifications shown on this sheet
may not apply depending on site conditions and the delegated authority having jurisdiction.
SECTION E: GROUND STABILIZATION
Required Ground Stabilization Timeframes
Stabilize within this
Site Area Description
many calendar
Timeframe variations
days after ceasing
land disturbance
(a) Perimeter dikes,
swales, ditches, and
7
None
perimeter slopes
(b) High Quality Water
(HQW) Zones
7
None
(c) Slopes steeper than
If slopes are 10' or less in length and are
7
not steeper than 2:1, 14 days are
3:1
allowed
-7 days for slopes greater than 50' in
length and with slopes steeper than 4:1
(d) Slopes 3:1 to 4:1
14
-7 days for perimeter dikes, swales,
ditches, perimeter slopes and HQW
Zones
-10 days for Falls Lake Watershed
-7 days for perimeter dikes, swales,
(e) Areas with slopes
ditches, perimeter slopes and HQW Zones
flatter than 4:1
14
-10 days for Falls Lake Watershed unless
there is zero slope
Note: After the permanent cessation of construction activities, any areas with temporary
ground stabilization shall be converted to permanent ground stabilization as soon as
practicable but in no case longer than 90 calendar days after the last land disturbing
activity. Temporary ground stabilization shall be maintained in a manner to render the
surface stable against accelerated erosion until permanent ground stabilization is achieved.
GROUND STABILIZATION SPECIFICATION
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the
techniques in the table below:
Temporary Stabilization
Permanent Stabilization
• Temporary grass seed covered with straw or
• Permanent grass seed covered with straw or
other mulches and tackifiers
other mulches and tackifiers
• Hydroseeding
• Geotextile fabrics such as permanent soil
• Rolled erosion control products with or
reinforcement matting
without temporary grass seed
• Hydroseeding
• Appropriately applied straw or other mulch
• Shrubs or other permanent plantings covered
• Plastic sheeting
with mulch
• Uniform and evenly distributed ground cover
sufficient to restrain erosion
• Structural methods such as concrete, asphalt or
retaining walls
• Rolled erosion control products with grass seed
DUIPMENT AND VEHICLE MAINTENANCE
1. Maintain vehicles and equipment to prevent discharge of fluids.
2. Provide drip pans under any stored equipment.
3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the
project.
4. Collect all spent fluids, store in separate containers and properly dispose as
hazardous waste (recycle when possible).
5. Remove leaking vehicles and construction equipment from service until the
problem has been corrected.
6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products
to a recycling or disposal center that handles these materials.
TIER, BUILDING MATERIAL AND LAND CLEARING WASTE
1. Never bury or burn waste. Place litter and debris in approved waste containers.
2. Provide a sufficient number and size of waste containers (e.g dumpster, trash
receptacle) on site to contain construction and domestic wastes.
3. Locate waste containers at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
4. Locate waste containers on areas that do not receive substantial amounts of runoff
from upland areas and does not drain directly to a storm drain, stream or wetland.
5. Cover waste containers at the end of each workday and before storm events or
provide secondary containment. Repair or replace damaged waste containers.
6. Anchor all lightweight items in waste containers during times of high winds.
7. Empty waste containers as needed to prevent overflow. Clean up immediately if
containers overflow.
8. Dispose waste off -site at an approved disposal facility.
9. On business days, clean up and dispose of waste in designated waste containers.
PAINT AND OTHER LIQUID WASTE
1. Do not dump paint and other liquid waste into storm drains, streams or wetlands.
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
3. Contain liquid wastes in a controlled area.
4. Containment must be labeled, sized and placed appropriately for the needs of site.
5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from
construction sites.
PORTARLF TOILFTS
1. Install portable toilets on level ground, at least 50 feet away from storm drains,
streams or wetlands unless there is no alternative reasonably available. If 50 foot
offset is not attainable, provide relocation of portable toilet behind silt fence or place
on a gravel pad and surround with sand bags.
2. Provide staking or anchoring of portable toilets during periods of high winds or in
high foot traffic areas.
3. Monitor portable toilets for leaking and properly dispose of any leaked material.
Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
with properly operating unit.
EARTHEN STOCKPILE MANAGEMENT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least
50 feet away from storm drain inlets, sediment basins, perimeter sediment controls
and surface waters unless it can be shown no other alternatives are reasonably
available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of
five feet from the toe of stockpile.
3. Provide stable stone access point when feasible.
4. Stabilize stockpile within the tmeframes provided on this sheet and in accordance
with the approved plan and any additional requirements. Soil stabilization is defined
as vegetative, physical or chemical coverage techniques that will restrain accelerated
erosion on disturbed soils for temporary or permanent control needs.
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
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1. Do not discharge concrete or cement slurry from the site.
2. Dispose of, or recycle settled, hardened concrete residue in accordance with local
and state solid waste regulations and at an approved facility.
3. Manage washout from mortar mixers in accordance with the above item and in
addition place the mixer and associated materials on impervious barrier and within
lot perimeter silt fence.
4. Install temporary concrete washouts per local requirements, where applicable. If an
alternate method or product is to be used, contact your approval authority for
review and approval. If local standard details are not available, use one of the two
types of temporary concrete washouts provided on this detail.
5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
sections. Stormwater accumulated within the washout may not be pumped into or
discharged to the storm drain system or receiving surface waters. Liquid waste must
be pumped out and removed from project.
6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
can be shown that no other alternatives are reasonably available. At a minimum,
install protection of storm drain inlet(s) closest to the washout which could receive
spills or overflow.
7. Locate washouts in an easily accessible area, on level ground and install a stone
entrance pad in front of the washout. Additional controls may be required by the
approving authority.
8. Install at least one sign directing concrete trucks to the washout within the project
limits. Post signage on the washout itself to identify this location.
9. Remove leavings from the washout when at approximately 75% capacity to limit
overflow events. Replace the tarp, sand bags or other temporary structural
components when no longer functional. When utilizing alternative or proprietary
products, follow manufacturer's instructions.
10. At the completion of the concrete work, remove remaining leavings and dispose of
in an approved disposal facility. Fill pit, if applicable, and stabilize any disturbance
caused by removal of washout.
HERBICIDES, PESTICIDES AND RODENTICIDES
1. Store and apply herbicides, pesticides and rodenticides in accordance with label
restrictions.
2. Store herbicides, pesticides and rodenticides in their original containers with the
label, which lists directions for use, ingredients and first aid steps in case of
accidental poisoning.
3. Do not store herbicides, pesticides and rodenticides in areas where flooding is
possible or where they may spill or leak into wells, stormwater drains, ground water
or surface water. If a spill occurs, clean area immediately.
4. Do not stockpile these materials onsite.
HAZARDOUS AND TOXIC WASTE
1. Create designated hazardous waste collection areas on -site.
2. Place hazardous waste containers under cover or in secondary containment.
3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
NCGOI GROUND STABILIZATION AND MATERIALS HANDLING
EFFECTIVE: 04/01/19
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EROSION
CONTROL
PLAN

PART III PART III PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING I I SELF -INSPECTION, RECORDKEEPING AND REPORTING I I SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION A: SELF -INSPECTION
Self -inspections are required during normal business hours in accordance with the table
below. When adverse weather or site conditions would cause the safety of the inspection
personnel to be in jeopardy, the inspection may be delayed until the next business day on
which it is safe to perform the inspection. In addition, when a storm event of equal to or
greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall be
performed upon the commencement of the next business day. Any time when inspections
were delayed shall be noted in the Inspection Record.
Frequency
Inspect
(during normal
Inspection records must include:
business hours)
(1) Rain gauge
Daily
Daily rainfall amounts.
maintained in
If no daily rain gauge observations are made during weekend or
good working
holiday periods, and no individual -day rainfall information is
order
available, record the cumulative rain measurement for those un-
attended days (and this will determine if a site inspection is
needed). Days on which no rainfall occurred shall be recorded as
"zero." The permittee may use another rain -monitoring device
approved by the Division.
(2) E&SC
At least once per
1. Identification of the measures inspected,
Measures
7 calendar days
2. Date and time of the inspection,
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Indication of whether the measures were operating
event > 1.0 inch in
properly,
24 hours
5. Description of maintenance needs for the measure,
6. Description, evidence, and date of corrective actions taken.
(3) Stormwater
At least once per
1. Identification of the discharge outfalls inspected,
discharge
7 calendar days
2. Date and time of the inspection,
outfalls (SDOs)
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Evidence of indicators of stormwater pollution such as oil
event > 1.0 inch in
sheen, floating or suspended solids or discoloration,
24 hours
5. Indication of visible sediment leaving the site,
6. Description, evidence, and date of corrective actions taken.
(4) Perimeter of
At least once per
If visible sedimentation is found outside site limits, then a record
site
7 calendar days
of the following shall be made:
and within 24
1. Actions taken to clean up or stabilize the sediment that has left
hours of a rain
the site limits,
event > 1.0 inch in
2. Description, evidence, and date of corrective actions taken, and
24 hours
3. An explanation as to the actions taken to control future
releases.
(5) Streams or
At least once per
If the stream or wetland has increased visible sedimentation or a
wetlands onsite
7 calendar days
stream has visible increased turbidity from the construction
or offsite
and within 24
activity, then a record of the following shall be made:
(where
hours of a rain
1. Description, evidence and date of corrective actions taken, and
accessible)
event > 1.0 inch in
2. Records of the required reports to the appropriate Division
24 hours
Regional Office per Part III, Section C, Item (2)(a) of this permit.
(6) Ground
After each phase
1. The phase of grading (installation of perimeter E&SC
stabilization
of grading
measures, clearing and grubbing, installation of storm
measures
drainage facilities, completion of all land -disturbing
activity, construction or redevelopment, permanent
ground cover).
2. Documentation that the required ground stabilization
measures have been provided within the required
timeframe or an assurance that they will be provided as
soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
SECTION B: RECORDKEEPING
1. E&SC Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept on the site. The
approved E&SC plan must be kept up-to-date throughout the coverage under this permit. TI
following items pertaining to the E&SC plan shall be kept on site and available for inspection
at all times during normal business hours.
Item to Document
Documentation Requirements
(a) Each E&SC measure has been installed
Initial and date each E&SC measure on a copy
and does not significantly deviate from the
of the approved E&SC plan or complete, date
locations, dimensions and relative elevations
and sign an inspection report that lists each
shown on the approved E&SC plan.
E&SC measure shown on the approved E&SC
plan. This documentation is required upon the
initial installation of the E&SC measures or if
the E&SC measures are modified after initial
installation.
(b) A phase of grading has been completed.
Initial and date a copy of the approved E&SC
plan or complete, date and sign an inspection
report to indicate completion of the
construction phase.
(c) Ground cover is located and installed
Initial and date a copy of the approved E&SC
in accordance with the approved E&SC
plan or complete, date and sign an inspection
plan.
report to indicate compliance with approved
ground cover specifications.
(d) The maintenance and repair
Complete, date and sign an inspection report.
requirements for all E&SC measures
have been performed.
(e) Corrective actions have been taken
Initial and date a copy of the approved E&SC
to E&SC measures.
plan or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
2. Additional Documentation to be Kept on Site
In addition to the E&SC plan documents above, the following items shall be kept on the
site and available for inspectors at all times during normal business hours, unless the
Division provides a site -specific exemption based on unique site conditions that make
this requirement not practical:
(a) This General Permit as well as the Certificate of Coverage, after it is received.
(b) Records of inspections made during the previous twelve months. The permittee shall
record the required observations on the Inspection Record Form provided by the
Division or a similar inspection form that includes all the required elements. Use of
electronically -available records in lieu of the required paper copies will be allowed if
shown to provide equal access and utility as the hard -copy records.
3. Documentation to be Retained for Three Years
All data used to complete the a-NOI and all inspection records shall be maintained for a period
of three years after project completion and made available upon request. [40 CFR 122.411
SECTION C: REPORTING
1. Occurrences that Must be Reported
Permittees shall report the following occurrences:
(a) Visible sediment deposition in a stream or wetland.
(b) Oil spills if:
• They are 25 gallons or more,
• They are less than 25 gallons but cannot be cleaned up within 24 hours,
• They cause sheen on surface waters (regardless of volume), or
• They are within 100 feet of surface waters (regardless of volume).
(c) Releases of hazardous substances in excess of reportable quantities under Section
311 of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102
of CERCLA (Ref: 40 CFR 302.4) or G.S. 143-215.85.
(d) Anticipated bypasses and unanticipated bypasses.
(e) Noncompliance with the conditions of this permit that may endanger health or the
environment.
2. Reporting Timeframes and Other Requirements
After a permittee becomes aware of an occurrence that must be reported, he shall contact
the appropriate Division regional office within the timeframes and in accordance with the
other requirements listed below. Occurrences outside normal business hours may also be
reported to the Department's Environmental Emergency Center personnel at (800)
858-0368.
Occurrence
Reporting Timeframes (After Discovery) and Other Requirements
(a) Visible sediment
. Within 24 hours, an oral or electronic notification.
deposition in a
. Within 7 calendar days, a report that contains a description of the
stream or wetland
sediment and actions taken to address the cause of the deposition.
Division staff may waive the requirement for a written report on a
case -by -case basis.
• If the stream is named on the NC 303(d) list as impaired for sediment -
related causes, the permittee may be required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure compliance
with the federal or state impaired -waters conditions.
(b) Oil spills and
• Within 24 hours, an oral or electronic notification. The notification
release of
shall include information about the date, time, nature, volume and
hazardous
location of the spill or release.
substances per Item
1(b)-(c) above
(c) Anticipated
. A report at least ten days before the date of the bypass, if possible.
bypasses [40 CFR
The report shall include an evaluation of the anticipated quality and
122.41(m)(3)]
effect of the bypass.
(d) Unanticipated
• Within 24 hours, an oral or electronic notification.
bypasses [40 CFR
. Within 7 calendar days, a report that includes an evaluation of the
122.41(m)(3)]
quality and effect of the bypass.
(e) Noncompliance
• Within 24 hours, an oral or electronic notification.
with the conditions
• Within 7 calendar days, a report that contains a description of the
of this permit that
noncompliance, and its causes; the period of noncompliance,
may endanger
including exact dates and times, and if the noncompliance has not
health or the
been corrected, the anticipated time noncompliance is expected to
environment[40
continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(I)(7)]
prevent reoccurrence of the noncompliance. [40 CFR 122.41(1)(6).
• Division staff may waive the requirement for a written report on a
case -by -case basis.
NCGOI SELF -INSPECTION, RECORDKEEPING AND REPORTING I EFFECTIVE: 04/01/19 1
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EROSION
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PLAN

SEQUENCE OF CONSTRUCTION:
THE CONTRACTOR IS RESPONSIBLE FOR FOLLOWING THE SEQUENCE OF CONSTRUCTION IN ACCORDANCE WITH
THE PLANS AND THE FOLLOWING PROVISIONS, AS DIRECTED BY THE DESIGNER. CONSTRUCTION SHALL PROCEED
IN THE SPECIFIED MANNER UNLESS OTHERWISE DIRECTED OR APPROVED OF BY THE DESIGNER. THE FOLLOWING
PROVISIONS, ALONG WITH THE INSTRUCTIONS CONTAINED IN THE PLANS, CONSTITUTE THE SEQUENCE OF
CONSTRUCTION.
GENERAL SITE NOTES:
1. THE CONTRACTOR SHALL ONLY CONDUCT STREAM WORK, INCLUDING ALL IN -STREAM STRUCTURES, GRADING,
STABILIZATION MEASURES, AND SEEDING, MULCHING, AND MATTING WORK, ON A SECTION OF STREAM THAT
SHALL BE ENTIRELY COMPLETED WITHIN A SINGLE DAY. EACH SECTION OF COMPLETED STREAM MUST BE
STABILIZED AND MATTED BEFORE FLOW CAN BE RETURNED INTO THE CHANNEL.
2. WHEN WORKING IN STREAMS WITH NO ACTIVE FLOW THE CONTRACTOR IS REQUIRED TO HAVE APPROPRIATELY
SIZED PUMPS AND MATERIALS TO INSTALL AND MAINTAIN A TEMPORARY STREAM DIVERSION IN ANTICIPATION
OF PENDING STORM EVENTS. WORKING IN A DRY CHANNEL DOES NOT PRECLUDE THE CONTRACTOR FROM
HAVING TO COMPLY WITH NOTE I ABOVE.
3. UPON APPROVAL FROM THE DESIGNER, PHASES 2 THROUGH 8 MAY BE CONSTRUCTED IN A DIFFERENT
SEQUENCE THAN INDICATED BELOW OR CONCURRENTLY.
4. ALL CONSTRUCTION WORK SHALL BE DONE DURING PERIODS OF DRY WEATHER.
5. ALL STREAM CROSSINGS WILL BE LOCATED IN AREAS OF THE STREAM WHERE LEFT AND RIGHT BANK HEIGHTS
ARE SIMILAR OR CAN BE GRADED TO PROVIDE A LEVEL, OR NEAR LEVEL, CROSSING SURFACE. BRIDGE MATS
CAN BE MADE OF WOOD OR STEEL, BUT MUST BE CAPABLE OFSUPPORTING THE GROUND PRESSURE OF THE
EQUIPMENT THAT WILL BE UTILIZING THE CROSSING. UPON ENSURING A LEVEL CROSSING SURFACE, THE
BRIDGE MATS WILL BE LAID ACROSS THE CHANNEL IN A MANNER THAT DOES NOT DISRUPT STREAM FLOW OR
CAUSE EROSION IN THE CHANNEL. THIS IS TYPICALLY ACHIEVED USING AN EXCAVATOR TO LIFT THE MATS
ACROSS THE CHANNEL WITH CHAINS AND GUIDED AND SET BY A GROUND CREW. THE MATS MUST BE
CONTINUOUS ACROSS THE CHANNEL, WITH NO GAPS THAT COULD ALLOW SEDIMENT TO ENTER THE STREAM.
4" WOODEN BARRIERS WILL BE INSTALLED ON THE OUTER EDGE OF THE MATS TO PREVENT SOIL FROM SPILLING
INTO THE CHANNEL DURING CROSSING. ACCUMULATED SEDIMENT ON THE MATS WILL BE REMOVED ON A
FREQUENT BASIS TO MINIMIZE DISCHARGE OF SEDIMENT TO THE STREAM DURING USE. AFTER SETTING THE
BRIDGE MATS, A CLASS 1 STONE APRON WILL BE APPLIED ON THE ENTRANCE AND EXIT OF THE BRIDGE AS PER
THE DETAIL ON SHEET 23 OF THE PLANS. THIS APRON WILL BE MAINTAINED AND REPLACED AS NEEDED TO
MINIMIZE SEDIMENT MOBILIZATION TO THE STREAM. PRIOR TO REMOVING THE CROSSINGS, THE MATS SHOULD
BE CLEANED OF SEDIMENT. SIMILAR TO INSTALLATION, THE MATS SHOULD BE REMOVED USING AN EXCAVATOR
AND CHAINS SO THEY CAN BE LIFTED UP AND OUT OF THE AREA WITHOUT DAMAGING THE STREAM OR ENTERING
THE STREAM FLOW.
6. EROSION AND SEDIMENT CONTROL PERMIT MUST BE OBTAINED BEFORE ANY LAND DISTURBING ACTIVITIES
OCCUR. A COPY OF THIS PERMIT AND A HARD COPY OF THE PLAN MUST BE KEPT ON SITE, PREFERABLY IN A
PERMITS BOX, AND ACCESSIBLE DURING INSPECTION.
7. SELF -INSPECTIONS FOR EROSION AND SEDIMENTATION CONTROL MEASURES ARE TO BE PERFORMED AT LEAST
ONCE EVERY SEVEN CALENDAR DAYS AND WITHIN 24 HOURS OF EVERY RAIN EVENT OF GREATER THAN 0.5 INCH.
ANY NEEDED REPAIRS SHALL BE MADE IMMEDIATELY TO MAINTAIN MEASURES AS DESIGNED. ALL ESC MEASURES
SHALL BE MAINTAINED AS SPECIFIED IN THE CONSTRUCTION DETAILS.
8. AFTER SITE IS STABILIZED, REMOVE ALL TEMPORARY EROSION CONTROL MEASURES AND PROVIDE PERMANENT
SEEDING WHERE TEMPORARY MEASURES HAVE BEEN REMOVED AND GROUND COVER IS NOT ADEQUATE.
9. PER NPDES REQUIREMENTS, A RAIN GAUGE, SELF -INSPECTIONS RECORDS, PERMIT, AND S&E PLAN ARE
REQUIRED TO BE MAINTAINED ON SITE AND ACCESSIBLE DURING INSPECTION. IT IS RECOMMENDED THAT THESE
ITEMS BE PLACED IN A PERMITS BOX AT THE BEGINNING OR ENTRANCE OF PROJECT.
10.CONTACT THE DEMLR REGIONAL OFFICE AT LEAST 48 HOURS PRIOR TO COMMENCING THE LAND DISTURBING
ACTIVITY 336-776-9800.
PHASE 1 : INITIAL SITE PREPARATION
A. IDENTIFY PROJECT BOUNDARY, LIMITS OF DISTURBANCE, SENSITIVE AREAS, STAGING AREAS,
STABILIZED ENTRANCES, TEMPORARY CROSSINGS AND ACCESS POINTS WITH THE DESIGNER.
B. CONSTRUCT ENTRANCE AND STAGING AREAS AND THEIR ASSOCIATED SEDIMENT AND EROSION
CONTROL DEVICES IN A MANNER TO SUPPORT EXECUTION OF THE RESTORATION IN PHASES AS
INDICATED IN THE PLANS AND AS DIRECTED BY THE DESIGNER.
PHASE 2: STREAM REACH - TRIBUTARY 1 - STA. 10+00 TO 47+51
A. COMPLETE CHANNEL WORK IN ACCORDANCE WITH THE FOLLOWING PROCEDURES:
i. ENSURE THAT ALL SEDIMENT AND EROSION CONTROL MEASURES HAVE BEEN INSTALLED
ALONG EXISTING AND NEW CHANNEL AND ARE IN WORKING CONDITION.
ii. ESTABLISH AN ISOLATED WORK AREA BY INSTALLING IMPERVIOUS DIKES AND TEMPORARY
CHANNEL DIVERSION AND DIVERT FLOWS AROUND THE DESIGNATED WORK AREA.
(LENGTH OF ISOLATED WORK AREA IS LEFT TO THE DISCRETION OF THE CONTRACTOR).
iii. COMPLETE CHANNEL GRADING AS DIRECTED IN THE PLANS. INSTALL ANY BANK
STABILIZATION TREATMENTS AND IN -STREAM STRUCTURES.
iv. SEED AND MULCH COMPLETED WORK AREAS ALONG COMPETED STREAM BANKS.
PHASE 3: STREAM REACH - TRIBUTARY 2 - STA. 200+00 TO 203+17 (PORTION ABOVE POND)
A. COMPLETE CHANNEL WORK IN ACCORDANCE WITH THE FOLLOWING PROCEDURES:
i. ENSURE THAT ALL SEDIMENT AND EROSION CONTROL MEASURES HAVE BEEN INSTALLED
ALONG EXISTING AND NEW CHANNEL AND ARE IN WORKING CONDITION.
ii. ESTABLISH AN ISOLATED WORK AREA BY INSTALLING IMPERVIOUS DIKES AND TEMPORARY
CHANNEL DIVERSION AND DIVERT FLOWS AROUND THE DESIGNATED WORK AREA.
(LENGTH OF ISOLATED WORK AREA IS LEFT TO THE DISCRETION OF THE CONTRACTOR).
iii. COMPLETE CHANNEL GRADING AS DIRECTED IN THE PLANS. INSTALL ANY BANK
STABILIZATION TREATMENTS AND IN -STREAM STRUCTURES.
iv. SEED AND MULCH COMPLETED WORK AREAS ALONG COMPETED STREAM BANKS.
PHASE 4: STREAM REACH - TRIBUTARY 2 - STA. 203+17 TO 206+00 (PONDED AREA)
A. COMPLETE CHANNEL WORK IN ACCORDANCE WITH THE FOLLOWING PROCEDURES:
i. ENSURE THAT ALL SEDIMENT AND EROSION CONTROL MEASURES HAVE BEEN INSTALLED
ALONG EXISTING AND NEW CHANNEL AND ARE IN WORKING CONDITION.
ii. ESTABLISH AN ISOLATED WORK AREA BY INSTALLING IMPERVIOUS DIKES AND TEMPORARY
CHANNEL DIVERSION AND DIVERT FLOWS AROUND THE DESIGNATED WORK AREA.
(LENGTH OF ISOLATED WORK AREA IS LEFT TO THE DISCRETION OF THE CONTRACTOR).
iii. THE DAM REMOVAL PROCESS WILL REQUIRE THE POND TO BE DEWATERED EARLY IN THE
CONSTRUCTION SEQUENCE TO ALLOW ADEQUATE TIME FOR BOTH THE POND AND POND
SEDIMENTS TO DEWATER PRIOR TO MASS EXCAVATION. BASED ON A BATHYMETRIC SURVEY
CONDUCTED DURING THE ASSESSMENT PHASE OF THE PROJECT, THERE ARE ACCUMULATED
SOFT SEDIMENTS THAT HAVE EMBEDDED THE LOWER HALF OF THE EXISTING POND RISER
STRUCTURE.
iv. INSTALL A PUMP AROUND FROM THE UPPER PORTIONS OF TRIBUTARY 2 (APPROXIMATELY
STATION 203+17) TO THE STREAM PORTION JUST BELOW THE POND LEVEE (APPROXIMATELY
STATION 207+50) TO MINIMIZE SURFACE WATER INPUTS TO THE POND DURING THE DEWATERING
PERIOD.
v. DEWATER THE POND USING A COMBINATION OF PUMPS AND/OR SIPHONS THAT WILL CONVEY
CLEAR WATER AROUND THE POND DAM TO A STREAM PORTION BELOW THE POND. A STABILIZED ROCK
OUTLET WILL BE INSTALLED TO DISSIPATE ENERGY AT THE OUTLET END OF THE PUMP/SIPHON
SET UP.
vi. ONCE THE CLEAR WATER HAS BEEN DECANTED FROM THE POND, A SUMP WILL BE ESTABLISHED
USING A PERFORATED 55 GALLON DRUM ENCASED IN 57 STONE TO CONTINUE TO PUMP FILTERED
WATER FROM THE POND SEDIMENTS. THIS WATER WILL BE PUMPED TO A SEDIMENT BAG
DISCHARGED BELOW THE DAM, APPROXIMATELY AT STATION 207+50.
vii. ONCE THE SEDIMENT IS ADEQUATELY DEWATERED, THE FILL AROUND THE RISER STRUCTURE
WILL BE REMOVED TO EXPOSE THE BOTTOM OF THE VERTICAL RISER PIPE. THE PIPE WILL BE CUT
OFF AT THE VERTICAL ELBOW TO ALLOW CLEAR WATER TO CONTINUE TO DRAIN FROM THE POND
BOTTOM. IT IS LIKELY THAT A DIVERSION CHANNEL WILL NEED TO BE TEMPORARILY EXCAVATED
THROUGH THE POND BOTTOM TO ALLOW BASEFLOW TO BYPASS THE POND THROUGH THE CUT RISER
PIPE. THE TEMPORARY CHANNEL WILL BE STABILIZED WITH COIR FIBER MATTING AND WILL BE
SEEDED AND STABILIZED. THE POND WILL THEN BE ALLOWED TO NATURALLY DEWATER FOR AS
LONG AS IT TAKES TO BE ABLE TO ADEQUATELY WORK THE POND SEDIMENT. ALTERNATIVELY TO
USING THE EXISTING POND RISER PIPE TO DEWATER THE POND OVER TIME, THE CONTRACTOR MAY
ELECT TO BREACH THE DAM AND CREATE A STABLE BYPASS CHANNEL THAT IS LINED WITH COIR
FIBER MATTING AND IS SEEDED AND STABILIZED.
viii. DAILY INSPECTIONS WILL OCCUR TO ENSURE THAT THE POND OUTLET REMAINS OPEN AND THAT
THE CHANNEL THROUGH THE POND TO THE RISER IS STABLE AND IS NOT CONVEYING SEDIMENT
DOWNSTREAM.
ix. WHEN THE POND IS ADEQUATELY DEWATERED THE POND DAM WILL BE REMOVED AND REGRADED
AS PER THE PROJECT PLANS.
x. WHEN THE DAM IS REMOVED DOWN TO THE RISER OUTLET ELEVATION, THE RISER STRUCTURE WILL
BE REMOVED AND ABANDONED, AND THE STREAM AND FLOODPLAIN WILL BE GRADED TO MATCH
THE PLANFORM AND PROFILE SHOWN IN THE PLANS. A PUMP AROUND WILL BE INSTALLED TO
ENSURE A DRY WORK AREA WHILE THE DAM IS REMOVED.
A. IF APPROVED BY THE ENGINEER, THE EXISTING POND SEDIMENTS WILL BE REUSED TO BUILD THE
FLOODPLAIN ALONG WITH THE SEDIMENTS EXCAVATED FROM THE POND DAM. FURNISHED OR
SALVAGED TOPSOIL WILL BE USED TO SURFACE TREAT ALL PLANTING AREAS WITHIN THE
FLOODPLAIN EXTENTS SHOWN ON THE PLANS. ADEQUATE LIME AND FERTILIZER WILL BE USED
TO ENSURE ADEQUATE VEGETATIVE STABILIZATION OF THE FORMER POND AREA.
xiii. COMPLETE CHANNEL GRADING AS DIRECTED IN THE PLANS. INSTALL ANY BANK
STABILIZATION TREATMENTS AND IN -STREAM STRUCTURES.
xiv. SEED AND MULCH COMPLETED WORK AREAS ALONG COMPETED STREAM BANKS.
PHASE 5 : STREAM REACH - TRIBUTARY 2 - STA. 206+00 TO 227+42 (PORTION BELOW POND)
A. COMPLETE CHANNEL WORK IN ACCORDANCE WITH THE FOLLOWING PROCEDURES:
i. ENSURE THAT ALL SEDIMENT AND EROSION CONTROL MEASURES HAVE BEEN INSTALLED
ALONG EXISTING AND NEW CHANNEL AND ARE IN WORKING CONDITION.
ii. ESTABLISH AN ISOLATED WORK AREA BY INSTALLING IMPERVIOUS DIKES AND TEMPORARY
CHANNEL DIVERSION AND DIVERT FLOWS AROUND THE DESIGNATED WORK AREA.
(LENGTH OF ISOLATED WORK AREA IS LEFT TO THE DISCRETION OF THE CONTRACTOR).
iii. COMPLETE CHANNEL GRADING AS DIRECTED IN THE PLANS. INSTALL ANY BANK
STABILIZATION TREATMENTS AND IN -STREAM STRUCTURES.
iv. SEED AND MULCH COMPLETED WORK AREAS ALONG COMPETED STREAM BANKS.
PHASE 6 : STREAM REACH - TRIBUTARY 3 - STA. 300+00 TO 302+44
A. COMPLETE CHANNEL WORK IN ACCORDANCE WITH THE FOLLOWING PROCEDURES:
i. ENSURE THAT ALL SEDIMENT AND EROSION CONTROL MEASURES HAVE BEEN INSTALLED
ALONG EXISTING AND NEW CHANNEL AND ARE IN WORKING CONDITION.
ii. ESTABLISH AN ISOLATED WORK AREA BY INSTALLING IMPERVIOUS DIKES AND TEMPORARY
CHANNEL DIVERSION AND DIVERT FLOWS AROUND THE DESIGNATED WORK AREA.
(LENGTH OF ISOLATED WORK AREA IS LEFT TO THE DISCRETION OF THE CONTRACTOR).
iii. COMPLETE CHANNEL GRADING AS DIRECTED IN THE PLANS. INSTALL ANY BANK
STABILIZATION TREATMENTS AND IN -STREAM STRUCTURES.
iv. SEED AND MULCH COMPLETED WORK AREAS ALONG COMPETED STREAM BANKS.
PHASE 7 : STREAM REACH - TRIBUTARY 4 - STA. 400+00 TO 402+84
A. COMPLETE CHANNEL WORK IN ACCORDANCE WITH THE FOLLOWING PROCEDURES:
i. ENSURE THAT ALL SEDIMENT AND EROSION CONTROL MEASURES HAVE BEEN INSTALLED
ALONG EXISTING AND NEW CHANNEL AND ARE IN WORKING CONDITION.
ii. ESTABLISH AN ISOLATED WORK AREA BY INSTALLING IMPERVIOUS DIKES AND TEMPORARY
CHANNEL DIVERSION AND DIVERT FLOWS AROUND THE DESIGNATED WORK AREA.
(LENGTH OF ISOLATED WORK AREA IS LEFT TO THE DISCRETION OF THE CONTRACTOR).
iii. COMPLETE CHANNEL GRADING AS DIRECTED IN THE PLANS. INSTALL ANY BANK
STABILIZATION TREATMENTS AND IN -STREAM STRUCTURES.
iv. SEED AND MULCH COMPLETED WORK AREAS ALONG COMPETED STREAM BANKS.
PHASE 8: RIPARIAN BUFFER PLANTING
A. PHASE 8 CAN BE INITIATED AFTER THE STREAM WORK IS COMPLETED IN EACH SECTION
OF THE PROJECT.
B. PLANTS SHALL BE PLANTED DURING THE DORMANT SEASON (NOVEMBER 17 - MARCH 17).
C. PREPARE AND PLANT BANK AND RIPARIAN VEGETATION IN ACCORDANCE WITH THE
CONSTRUCTION PLANS AND AS DIRECTED BY THE DESIGNER.
PHASE 9 : COMPLETION OF PROJECT SITE
A. REMOVE ALL REMAINING WASTE MATERIALS AND RESTORE THE REMAINING STAGING
AND STOCKPILING AREAS AND CONSTRUCTION ENTRANCES TO THEIR PRIOR CONDITION.
REMOVE TEMPORARY CROSSINGS AND INSTALL BANK STABILIZATION TREATMENTS,
AND PLANT, SEED AND MULCH DISTURBED AREAS. SEED AND MULCH ALL DISTURBED
AREAS UTILIZING THE SEED/MULCH MIXES SPECIFIED IN THE PLANS.
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UTILIZE A STABILIZED OUTLET FOR
THE DISCHARGE OF CLEAN WATER
(SEE DETAIL THIS SHEET).
NOTE: DISCHARGE MAY OCCUR IN
BEDROCK LOCATIONS OR DEEP
POOLS IF BED DISTURBANCE CAN
BE ELIMINATED.
IISILT BAG WITH
ROCK PAD
(SEE DETAIL THIS SHEET)
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IMPERVIOUS DIKE I 1 I
PUMP
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EXISTING
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IMPERVIOUS DIKE
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OR OTHER IMPERVIOUS FABRIC.
I
FLOW'
INLET FOR CLEAN
(SEE DETAIL THIS SHEET)
\
WATER TO BE RAISED
EARTH MATERIALS SHALL NOT BE
OFF OF STREAM
USED TO CONSTRUCT THE
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IMPERVIOUS DIKES.
REQUIRE PLACEMENT
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OF GRAVEL UNDER
INTAKE.
\
PUMP -AROUND
PUMP
SEQUENCE OF DEWATERING OPERATIONS
ANY DEVIATION FROM ABOVE DEWATERING PLAN
WILL REQUIRE DESIGNER APPROVAL.
1. INSTALL SILT BAGS(S) AND ROCK PAD(S) AND STABILIZED OUTLET.
2. INSTALL UPSTREAM PUMP AND TEMPORARY FLEXIBLE HOSE.
3. PLACE UPSTREAM IMPERVIOUS DIKE AND BEGIN PUMPING
OPERATIONS FOR STREAM DIVERSION.
4. PLACE DOWNSTREAM IMPERVIOUS DIKE AND PUMPING
APPARATUS, DEWATER ENTRAPPED AREA.
5. PERFORM REPAIR WORK IN ACCORDANCE WITH THE PLANS.
6. EXCAVATE ANY ACCUMULATED SILT AND DEWATER BEFORE
REMOVAL OF IMPERVIOUS DIKES. REMOVE IMPERVIOUS
DIKES, PUMPS, AND TEMPORARY FLEXIBLE HOSE
(DOWNSTREAM IMPERVIOUS DIKES FIRST).
7. REMOVE SILT BAG(S) AND STABILIZE DISTURBED AREA WITH
SEED AND MULCH.
EXAMPLE OF PUMP -AROUND OPERATION
SCALE:NTS
STILLING BASIN MAINTENANCE:
1. SEDIMENT BAGS SHALL BE REPLACED AND DISPOSED OF WHEN IT
IS THREE-QUARTERS FULL OF SEDIMENT OR WHEN IT IS IMPRACTICAL
FOR THE BAG TO FILTER THE SEDIMENT OUT AT A REASONABLE
FLOW RATE.
2. ACCUMULATED SEDIMENT SHOULD BE DISPOSED OF IN A DESIGNATED
DISPOSAL AREA.
3. SPENT BAGS SHOULD BE DISPOSED OF PROPERLY AND NOT BURIED.
4. GRAVEL PADS SHOULD BE CHECKED DAILY DURING USE TO ENSURE THAT
GRAVEL HAS NOT BEEN WASHED AWAY OR BEEN CHOKED BY EXCESSIVE
SEDIMENTATION.
5. REPLACE PAD WITH CLEAN GRAVEL, AS NEEDED.
NOTE: PROVIDE STABILIZED OUTLET DOWN BANK TO STREAM
SPECIAL STILLING BASIN (SILT BAG) WITH ROCK PAD
SCALE.NTS
FILTER
FABRIC WIDTH
2'7
(SEE TABLE BELOW)
O O
S" DEPTH
CLASS B STONE (DIA =5' TO 12")
PUMP SIZE
OUTLET WIDTH
2 IN.
2FT.
3 IN.
3FT.
4 IN.
4FT.
6 IN.
6FT.
STABILIZED OUTLET MAINTENANCE:
1. ROCK OUTLETS SHOULD BE CHECKED DAILY DURING USE TO
ENSURE THAT STONE AND FILTER FABRIC HAS NOT BEEN
WASHED AWAY.
2. REPLACE PAD WITH CLEAN STONE, AS NEEDED.
STABILIZED OUTLET FOR PUMP -AROUND SETUP
SCALE:NTS
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IMPERVIOUS
SHEETING
SAND IMPERVIOUS
BAGS � SHEETING
FLOW
SAND BAGS
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ElEES
STREAMSED
WRAP SHEETING
UNDER DIKE MATERIAL
AJ
SECTION AA
NOT TO SCALE
PLAN
IMPERVIOUS DIKE DETAIL
SCALE:NTS
NOTES:
DIKE MATERIAL SHALL BE LARGE SANDBAGS.
WATERBAGS MAY BE USED UPON APPROVAL
OF THE DESIGNER.
DIKE MATERIAL MAY NOT BE EARTH OR DIRT
DIKE MATERIAL MUST CONFORM TO THE SHAPE
OF THE STREAM CHANNEL AND MUST BE HIGH
ENOUGH IN THE CHANNEL TO NOT ALLOW
FLOW TO OVERTOP THE DIKE.
IMPERVIOUS SHEETING SHOULD BE PLASTIC OR
RUBBER SHEETING THICK ENOUGH TO NOT BE
EASILY PUNCTURED GIVEN THE CONDITIONS OF
THE CHANNEL.
ROCKS, SANDBAGS, OR OTHER WEIGHTS (NOT
DIRT OR EARTH) MAY BE USED TO WEIGH DOWN
THE SHEETING TO ENSURE THAT THERE IS PROPER
CONTACT BETWEEN THE SHEETING AND THE BANKS
AND BED OF THE CHANNEL.
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NOTES
TEMPORARY SEEDING MUST BE APPLIED TO STOCKPILES IF NOT
RELOCATED WITHIN 7 DAYS.
ALL STOCKPILES SHALL BE WITHIN LIMITS OF DISTURBANCE.
SILT FENCE SHALL BE INSTALLED DOWN GRADIENT OF ALL STOCK-
PILES.
STOCKPILE LOCATIONS DEPICTED ON SITE PLANS ARE APPROXIMATE
AND ARE SUBJECT TO CHANGE DEPENDING ON THE AREA THAT IS BEING
WORKED UPON. EXACT LOCATION AND QUANTITY OF STOCKPILES WILL
BE DETERMINED BY DESIGN REPRESENTATIVE IN THE FIELD.
TEMPORARY STOCKPILE DETAIL
SCALE:NTS
8' MAX.
METAL POST 12h GAUGE MIN.
(1.331b PER MIDDLE AND VERTICAL WIRES
LINEAR FOOT)
10 GAUGE MIN. —
TOP AND BOTTOM
STRAND
WIRE
II
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FILTER FABRIC
COMPACTED FII
SILT FENCE MAINTENANCE _I I I_I I I�
8" I
1. INSPECT SEDIMENT FENCES WEEKLY
AND AFTER EACH RAINFALL EVENT. EXTENSION OF
2. SHOULD FABRIC TEAR, DECOMPOSE, OR IN FABRIC AND
AN V WAY BECOME INEFFECTIVE, REPLACE WARE INTO TRENCH
IT IMMEDIATELY,
3. REMOVE SEDIMENT DEPOSITS PROMPTLY TO
PROVIDE ADEQUATE STORAGE VOLUME FOR THE
—
NEXT RAIN AND TO REDUCE PRESSURE ON THE
FENCE. TAKE CARE TO AVOID UNDERMINING
FENCE DURING CLEANOUT.
4. REMOVE ALL FENCING MATERIALS AND
UNSTABLE SEDIMENT DEPOSITS AFTER THE
CONTRIBUTING DRAINAGE AREA HAS BEEN
PROPERLY STABILIZED, INSPECTED AND
APPROVED. BRING THE DISTURBED AREA TO
GRADE AND STABILIZE AS SHOWN IN THE
VEGETATION PLAN.
SILT FENCE DETAIL
SCALE:NTS
12" STRAW
WATTLE
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WOODEN STAKE SOW 3" TRENCH OR
18"x1"x2" BACKFILL UPSTREAM
SIDE WITH MULCH
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(OVER FILTER FABRIC)
NOTES:
WATTLES SHALL BE INSTALLED ACCORDING TO THE MANUFACTURERS
SPECIFICATIONS.
ALL WADDLE JUNCTIONS SHALL BE OVERLAPPED AND STAKED TO ENSURE
CONTINUOUS PROTECTION.
STAKES SHALL BE INSTALLED ALONG WADDLES AT 5 FEET SPACING.
STRAW WATTLE DETAIL
NOT TO SCALE
NOTES:
1. TURNING RADIUS SUFFICIENT TO ACCOMMODATE LARGE
TRUCKS SHALL BE PROVIDED.
2. ENTRANCE(S) SHOULD BE LOCATED TO PROVIDE FOR UTILIZATION
BY ALL CONSTRUCTION VEHICLES.
3. MUST BE MAINTAINED IN A CONDITION WHICH WILL PREVENT
TRACKING OR DIRECT FLOW OF MUD ONTO STREETS. PERIODIC
TOP DRESSING WITH STONE WILL BE NECESSARY.
4. ANY MATERIAL TRACKED ONTO THE ROADWAY MUST BE CLEANED
UP IMMEDIATELY.
5. GRAVEL CONSTRUCTION ENTRANCE SHALL BE LOCATED AT ALL
POINTS OF INGRESS AND EGRESS UNTIL SITE IS STABILIZED.
FREQUENT CHECKS OF THE DEVICE AND TIMELY MAINTENANCE
MUST BE PROVIDED.
51At31LIZED CONSTRUCTION ENTRANCE DETAIL
SCALE:NTS
STREAM CROSSING MAINTENANCE:
1. INSPECT TEMPORARY CROSSING
AFTER EACH RAINFALL EVENT FOR
Al
ACCUMULATION OF DEBRIS,
BLOCKAGE, EROSION OF ABUTMENTS
AND OVERFLOW AREAS, CHANNEL
SCOUR, RIPRAP DISPLACEMENT, OR
PIPING ALONG CULVERTS. sFJ
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2. REMOVE DEBRIS, REPAIR AND
REINFORCE DAMAGED AREASIMMEDIATELY -
DAMAGE TO THE INSTALLATION.TO PREVENT STREAM
FLOW
INSTALL 4"x4'­UP'
ALONG BOTH SIDES
OF BRIDGE MAT
EXISTING
CHANNEL
FILTER FABRIC
FOR DRAINAGE J
SECTION AA q
NOT TO SCALE
PLAN
1. BRIDGE LOCATIONS DEPICTED ON SITE PLANS ARE APPROXIMATE AND
ARE SUBJECT TO CHANGE DEPENDING ON THE AREA THAT IS BEING
WORKED UPON. EXACT LOCATION AND QUANTITY OF STOCK PILES
WILL BE DETERMINED BY DESIGN REPRESENTATIVE IN THE FIELD.
2. WIDTH OF EACH MAT IS DEPENDENT ON THE SIZE OF THE EQUIPMENT
MEANT TO CROSS IT.
3. APPROACH STABILIZATION, COMPOSED OF CLASS 1 STONE, WILL BE
REQUIRED FOR EACH SECTION OF THE BRIDGE.
4. BRIDGE SHALL BE CONSTRUCTED OF A SOLID DECK.
TEMPORARY BRIDGE MAT CROSSING
BRIDGE MAT
(SOLID DECK)
INSTALL 4"x4"'LIP'
ALONG BOTH SIDES
OF BRIDGE MAT
CLASS "1" STONE
FOR APPROACH
STABILIZATION
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SECTION AA
CLASS B STONE SILT FENCE 12 I 457 STONE
(DIA,5" TO 12")
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SECTION BB NATURAL GROUND
SILT FENCE ROCK OUTLET MAINTENANCE:
1. REMOVE SEDIMENT WHEN IT ACCUMULATES TO ONE-HALF THE DESIGN VOLUME.
2. CHECK STRUCTURE AND ABUTMENTS FOR EROSION, PIPING, OR ROCK DISPLACEMENT.
REPAIR IMMEDIATELY.
3. REMOVE ROCK OUTLET WHEN CONTRIBUTING DRAINAGE AREA HAS BEEN
PERMANENTLY STABILIZED, INSPECTED AND APPROVED. REMOVE ALL WATER AND
SEDIMENT PRIOR TO REMOVING SCREEN. DISPOSE OF WASTE MATERIAL IN DESIGNATED
DISPOSAL AREA.
TEMPORARY SILT FENCE ROCK OUTLET DETAIL
SCALE:NTS
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Dare: NOV 2019
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-OVERVIEW-
SHEET 24 OF 29

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SHEET 27 OF zs

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