20180307 Ver 2_Buffer Variance Revisions_20180517

Strickland, Bev
From: Jason Marshall <[e-mail]>
Sent: Thursday, May 17, 2018 12:55 PM
To: Higgins, Karen
Cc: Wojoski, Paul A; Fertenbaugh, Christyn L; Lindsay Matthy; Bartlett, Nicole; Johnson,
Alan
Subject: [External] Stevens Creek Buffer Variance Revisions
Attachments: 01 -EMC Variance Letter - 05.17.2018.pdf, 02-Variance-Application-Form_5-10-2018-
Stevens.pdf, 03-Variance-Question-C3-Mitigation.pdf; 04-Stevens-
Detailed_Planting_Plan-Stantec.pdf, 05 -Stevens Creek Sanitary Trunk SewerDEQBuffer-
Overall Map.pdf
Karen,
Please see the attachments included to address revision and comments regarding the Stevens Creek buffer variance
request. Please let me know if you have any comments or suggested changes. If you need the word documents for
comments just let me know and I will send them over. I appreciate you help with this.
Thanks,
Jason Marshall, PE
GHD
T: [phone] V: 864913 1 E: [e-mail]
222 South Church Street Suite 400 Charlotte North Carolina 28202 USA I www.ghd.com
WATER I ENERGY & RESOURCES I ENVIRONMENT I PROPERTY & BUILDINGS I TRANSPORTATION
Please consider our environment before printing this email
CONFIDENTIALITY NOTICE: This email, including any attachments, is confidential and may be privileged. If you are not
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Reference No. 11123681
North Carolina Division of Water Resources
401 & Buffer Permitting Unit
Attn: Ms. Karen Higgins
512 N. Salisbury Street, Suite 942-E
Raleigh, NC 27604
Dear Ms. Higgins:
Re: Stevens Creek Trunk Sewer Phase 1 — Buffer Variance Application Revisions
ect Name: Stevens Creek Trunk Sewer
Coordinates: approximately (35.146,-80.650)
GHD Job Number: 11123681
Charlotte Water Project Number: 2017000405
In response to our meeting held at the DEQ Mooresville office Monday, May 7, 2018, we have revised the
Buffer Variance Application to included additional information requested. This includes open -cut
excavation of stream crossings and additional descriptions of the proposed impacts and mitigation to be
implemented. We will continue to work with Christyn Fertenbaugh for compliance on the 15A NCAC 02T
rules and request your approval of the buffer variance for issuance to the Environmental Management
Commission.
Included with the enclosed variance application, you will find buffer planting plans, and details for the
proposed project.
GHD appreciates your assistance with this project. Please contact me at [phone] or
[e-mail] if you have any questions or require additional information.
Sincerely,
GHD,
C'- 4 fQ
Jason Marshall, PE
Project Coordinator
Encl. Permit and Plan Documents
cc: Nicole Bartlett, Charlotte Water
Chuck Bliss, Charlotte Water
Lindsay Matthy, GHD
GHD aanuEN cNNnn Ea
222 South Church Street Suite 400 Charlotte North Carolina 28202 USA IISD 9001
T7043424910 F7043424911 Wwww.ghd.com ENGINEERING DESIGN

EMC Variance Letter - 05.17.2018

State of North Carolina
DWR Department of Environment and Natural Resources
,Or~ Division of Water Resources
Division of Water Resources
15A NCAC 02B .0233 (8)(b), .0243 (8)(b), .0250 (11)(b), .0259 (8)(b), .0267 (11)(c), .0607 (e)(2)
Protection and Maintenance of Riparian Areas Rules - Variance Application
FORM: VAR 10-2013
PLEASE IDENTIFY WHICH RIPARIAN AREA PROTECTION RULE APPLIES:
❑ Neuse River Basin (15A NCAC 02B.0233)
Major Variance C Minor Variance
❑ Catawba River Basin (15A NCAC 026.0243)
❑ Randleman Lake Water Supply Watershed (15A NCAC 028.0250)
G. Major Variance ❑ Minor Variance
❑ Tar -Pamlico River Basin (15A NCAC 02B.0259)
0 Major Variance ❑ Minor Variance
❑ Jordan Lake Water Supply Nutrient Strategy (15A NCAC 028.0267)
❑ Major Variance ❑ Minor Variance
'�d_ Goose Creek Watershed (15A NCAC 02B.0606 & 15A NCAC 028.0607)
A. General Information
1. Applicant's Information(if other than the current property owner):
Name: Charlotte Water Nicole Bartlett
Title: Proiect Manager
Street Address: 5100 Brookshire Blvd.
City, State & Zip: Charlotte NC 2821
Telephone: [phone]
Email: nbartiett ci.charlotte.nc.us
2. Property Owner/Signing Official (person legally responsible for the property and its compliance):
Name:
Title:
Street Address:
City, State & Zip:
Telephone:
Email:
FORM: VAR 10-2013
See above

3. Agent Information:
3a. Name:
Company Affiliation:
Street Address:
City, State & Zip:
Telephone:
E-mail:
Jason Marshall
GHD, Inc. -
222 South Church Street
Charlotte, NC 28202
704-342-4910
[e-mail]
3b. Attach a signed'and dated copy of the Agent Authorization letter if the Agent has'signatory authority for the owner_
4. Project Name (Subdivision, facility, or establishment name):
Stevens Creek Trunk Sewer - Phase 1
S. Project Location:
5a. Street Address: See Attached Property Easement List
City, State & Zip: Mint Hill, NC
5b. County: Mecklenburg
Sc. Site Coordinates (in decimal degrees): 35.1436 Latitude 80.6483 Longitude
5d. Attach an 8 % x 11 excerpt from the most recent version of the USGS topographic map indicating the location of the site.
5e. Attach an 8 Y, x 11 excerpt from the most recent version of the published County NRCS Soil Survey Map depicting the
project site.
6. Property Information:
6a. Property identification number (parcel ID): See Attached Property Easement List
6b. Date property was purchased: NA
6c. Deed book and page number
6d. Map book and page number
6e. Attach a copy of the recorded map that indicates when the lot was last platted.
7. Is your project in one of the 20 Coastal Counties covered under the Coastal Area Management Act (CAMA)7
❑ YES zi NO
7a. If you answered yes above, in which AEC do you fall (30 ft or 75 ft)? NA
7b. If you answered yes above, what is the total percent of impervious cover that you have proposed within the AEC? NA
FORM: VAR 10-2013 Page 2 of 7

S. Directions to site from nearest major intersection:
Exit 1-485 at Lawyers Road towards Mint Hill, NC, Ge left on Thompson Road, continue on Thompson Road until
you reach the confluence of a tributary to Stevens Creek and Stevens Creek. Project parallel creeks.
9. Stream associated with riparian buffer to be impacted by the proposed activity,
Name I Water Quality Classification
Stevens Creek and Tributary to Stevens Creek I C
9a. For Goose Creek only: Is the buffer in the 100 -year floodplain? u YES r NO
10, List any permits/approvals that have been requested or obtained for this project in the past (including all prior phases).
Date Applied:
8/23/2017
8/31/2017
Date Received:
9/21/2017
9/25/2017
2/27/2017
9/12/2017 5/3/2017
8/1/2017 8/29/2017
B. Proposed Activity
1, Project Description
Permit Type:
NCDOT Utilitv Encroachment
NCDENR Erosion Control
PCN
Meck. Co. Floodplain Development
Town of Mint Hill - Road Crossing Permit
1a. Provide a detailed description of the proposed activity including its purpose:
The purpose of this project is to provide sanitary sewer service to users currently serviced by a package WWTP and to
Provide additional sanitary sewer service to the Stevens Creek Basin. This project is located along Stevens Creek and a
Tributary to Stevens Creek west of 1-48S. Service along the Stevens creek Tributary will ultimately allow for the removal
Of existing pump stations and limit the use of septic systems. This project is being coordinated with a stream restoration
project on Stevens Creek that shares the similar project limits. Charlotte Water is working with Mecklenburg County
Stormwater to construct the sewer and stream_ restoration projects at the same time so that disturbance within the area
will be done once and to limit the total area of clearing by best utilizing each projects required temporary construction
lb. Attach a site plan showing the following items as applicable to the project:
0 Development/Project name
0 Revision number & date
0 North arrow
Scale (1" = 50' is preferred)
0 Property/project boundary with dimensions
0 Adjacent streets and roads labeled with names and/or NC State Road numbers
0 Original contours and proposed contours
0 Perennial and intermittent streams, ponds, lakes, rivers and estuaries
FORM: VAR 10-2013 Page 3 of 7

0 Mean high water line (if applicable)
0 Wetlands delineated, or a note on plans that none exist
0 Location of forest vegetation along the streams, ponds, lakes, rivers and estuaries
0 Extent of riparian buffers on the land including Zone 1 and Zone where applicable
0 Location and dimension of the proposed buffer impact (label the area of buffer impact in ft' on the plan)
0 Details of roads, parking areas, cul-de-sacs, sidewalks, and curb and gutter systems
0 Footprint of any proposed buildings or other structures
0 Discharge points of gutters on existing structures and proposed buildings
0 Existing drainage (including off-site), drainage easements, and pipe dimensions
0 Drainage areas delineated
C. Proposed Impacts and Mitigation
1. Individually list the square footage of each proposed impact to the protected riparian buffers:
Buffer Impact
Required
Goose Buffer
Total Impact Multiplier
Number'—
Reason for Impact
Buffer
Zene 1 impaet
Zene�----!--�-�-^;.cc4
Permanent (P) or
3
Mitigation
(SqUa..�t)
zt;
Temporary (T)
Required
1.5
131 -[:]P ®T
Excavation — Temp
o Yes o No
194,501
Easement
B2 -LJP NT
Excavation- Permanent
i Yes ❑ No
168,525
Easement
B3 - ® P ❑ T
❑ Yes ❑ No
1 81,588
Total Buffer Impacts
81,588
'Label on site plan
2. Identify the square feet of impact to each zone of the riparian buffer that requires mitigation from the table above. Calculate
the amount of mitigation required_
'For projects in the Goose Creek Watershed, list all riparian buffer impacts as Zone 1
and use Zone 1 multiplier.
3. Provide a description of how mitigation will be achieved at your site pursuant to the mitigation requirements of the applicable
river basin/watershed-
See Attachment
3a. Is buffer restoration or enhancement proposed? i' Yes n No
If yes, attach a detailed planting plan to include plant type, date of plantings, the date of the one-time fertilization in the
protected riparian buffers, and a plan sheet showing the proposed location of the plantings.
3b. Is payment into a buffer restoration fund proposed? c Yes W No
If yes, attach an acceptance letter from the mitigation bank you propose to use or the NC Ecosystem Enhancement
Program stating they have the mitigation credits available for the mitigation requested.
FORM: VAR 10-2013 Page 4 of 7
Required
Zone
Total Impact Multiplier
Mitigation
(square feet)
(square feet)
Zone 11
3
(2 for Catawba only)
Zone 2
1.5
Total Buffer Mitigation Required:
'For projects in the Goose Creek Watershed, list all riparian buffer impacts as Zone 1
and use Zone 1 multiplier.
3. Provide a description of how mitigation will be achieved at your site pursuant to the mitigation requirements of the applicable
river basin/watershed-
See Attachment
3a. Is buffer restoration or enhancement proposed? i' Yes n No
If yes, attach a detailed planting plan to include plant type, date of plantings, the date of the one-time fertilization in the
protected riparian buffers, and a plan sheet showing the proposed location of the plantings.
3b. Is payment into a buffer restoration fund proposed? c Yes W No
If yes, attach an acceptance letter from the mitigation bank you propose to use or the NC Ecosystem Enhancement
Program stating they have the mitigation credits available for the mitigation requested.
FORM: VAR 10-2013 Page 4 of 7

D. Stormwater
1. Provide a description of how diffuse flow will be maintained through the protected riparian buffers (e.g., re -planting vegetation
or enhancement of existing vegetation, gutter splash pads, level spreader to control of runoff from impervious surfaces, etc.).
A diffuse flow plan has not been included as part of this project. The project involves temporary ground impacts with no
change in topograohv. No impervious areas are being added as part of this project.
1a. Show the location of diffuse flow measure(s) on your site plan. NA
1b. Attach a completed Level Spreader Supplement Form or BMP Supplement Form with all required items for each -proposed
measure. NA
1c. Attach an Operation and Maintenance (O&M) Form for each proposed level spreader or BMP. NA
2. For Major, Catawba, and Goose Creek variance requests, provide a description of all best management practices (BMPs) that
will be used to minimize disturbance and control the discharge of nutrients and sediments from stormwater.
This proiect will utilize temporary erosion control devices through construction as approved by NCDENR erosion control permit.
No permanent stormwater management practices are re uired for this t3roject. No impervious areas are being added as part of
this project. _
2a. Show the location of BMPs on your site plan. NA
2b. Attach a Supplement Form for each structural BMP proposed. NA
2c. Attach an Operation and Maintenance (O&M) Form for each structural BMP proposed. NA
E. Demonstration of Need for a Variance
The variance provision of the riparian buffer rules allows the Division or the Environmental Management Commission to grant a
variance when there are practical difficulties or unnecessary hardships that prevent compliance with the strict letter of riparian
buffer protection.
1. Explain how complying with the provisions of the applicable rule would prevent you from securing a reasonable return from or
make reasonable use of your property. Merely proving that the variance would permit a greater profit from the property shall
not be considered adequate justification for a variance. The Division will consider whether the variance is the minimum possible
deviation from the terms of the applicable Buffer Rule that shall make reasonable use of the property possible.
We are seeking a variance for a rule stated under 15A NCAC 02B.0607, Page S. Non -electric utility lines with impacts other
than perpendicular crossings, Stated as "Wastewater collection system utility lines and lift station lines may impact the riparian
zone if both gravity and force main collections systems_ are made of ductile iron and 50% of the collection system is cleaned
annually." We are requesting the re uirement for ductile iron pipe be waved for in favor of PVC AWWA 0900 Pressure Class
165 psi, DR25 as ane ual to ductile iron vine. Ductile iron vine will be used at stream crossing locations and where pipe cover
exceeds 20'. Plans showing locations with material designations listed ands ecifications for sewers stem have been included in
this request. Also note that all Dioe and manholes are sub'ect to leakage testing to ensure the system is watertight. A
specification for leakage testing has been included in with this application.
We are also seekine a variance for rule stated under 15A NCAC 02B .0607 Page 6 Non -electric perpendicular utility line
crossings that are collections systems as defined in Rule 15A NCAC 02T.0300 note: must follow constraints listed under
wastewater collections stem utility lines and lift stations above): Stated as "That use any of the followinp, installation methods
to minimize the sediment, nutrient and other pollution through the riparian buffer: underground directional boring methods,
FORM: VAR 10-2013 Page 5 of 7

bore-and-iack techniques or another appropriate microtunn_ellina method." We are requesting the requirement for trenchless
crossings of streams for this project be waved since the construction of the stream restoration and sanitary sewer will be
completed as one project. The stream restoration work entails grading existing streambanks, relocation of existing stream bed
at various locations, and rebuilding the stream bed that will increase the elevation of the existing channel. The requirement to
provide trenchless installations on this project will create additional large excavations for boring and receiving pits rerfuired to
install equipment used to make crossings. These large excavation must be maintained and dewatered to provide a safe working
environments and could arguably be more disruptive base on the are required and additional time needed to make the
installation. Standard cut and cover installations move much quicker and can therefore be stabilized sooner. With stream
disturbances already implemented for restoration the sewer installations have a minor overall impact. Additional excavation
disturbance would be required to install launching and receiving pits. This requirement is intended to limit disturbances at
stream crossings on typical projects that do not have a stream restoration component. We believe the considerable cost to
include trenchless installation. for methods that are intended to limit disturbance are not a good use of public funds. -
FORM: VAR 10-2013 Page 6 of 7

2. Explain how the hardship results from application of the Buffer Rule to the property rather from other factors such as deed
restrictions or other hardships (e.g. zoning setbacks, floodplains, etc).
Not applicable for this request.
3. Explain how the hardship results from physical nature of the property, such as its size, shape, or topography, which is different
from that of neighboring property.
Not applicable for this request.
4. Explain whether the hardship was caused by the applicant knowingly or unknowingly violating the applicable Buffer Rule.
Not applicable for this request. _
S. For Neuse, Tar -Pamlico, Jordan Lake and Goose Creek only: Did the applicant purchase the property after the effective date of
the applicable Buffer Rule and then request a variance?
Not applicable for this request.
5. Explain how the hardship is rare or unique to the applicant's property, rather than the result of conditions that are widespread.
Not applicable for this request.
F. Deed Restrictions
By your signature in Section G of this application, you certify that all structural stormwater BMPs required by this variance shall
be located in recorded drainage easements, that the easements will run with the land, that the easements cannot be changed
or deleted without concurrence from the State, and that the easements will be recorded prior to the sale of any lot.
G. Applicant's Certification
I, (print or type name of person listed in Section A, Item 2), certify that
the information included on this permit application form is correct, that the project will be constructed in conformance with the
approved plans and t he deed restrictions in accordance with Section F of this form will be recorded with all required permit
conditions.
Signature: Z
� JDate: : / 7/ Pe
FORM= VAR 10-2013 Page 7 of 7

3. Provide a description of how mitigation will be achieved at your site pursuant to the mitigation
requirements of the applicable river basin/watershed.
As previously mentioned in the project description, Stevens Creek Trunk Sewer is being constructed in
conjunction with the Stevens Creek Stream Restoration project under one contract. Charlotte Water and
Mecklenburg County Storm Water have been working together to complete these projects on the same
timeline. In doing this, we have been able to reduce overall clearing limits by utilizing each project's
clearing area for construction. The sewer benefits from using temporary areas for construction, and the
stream benefits from utilizing the sewer alignment for access which amounts to a reduction in total area
needed to construct the sewer. A much greater amount of upland clearing would have been required
had the sewer project been constructed outside of the stream restoration project limits. Without the
stream restoration project, all temporary construction easements for the sewer project would have
been placed upland versus utilizing the overlapping area which is provided from the stream restoration
project. Construction will be performed utilizing Best Management Practices (BMPs) to reduce impacts
by maintaining NCDEQ approved erosion control devices.
The trunk sewer project will serve many needs one of which will provide sewer to the Stevens Creek
Nature Preserve's nature center. In addition this project will take an existing package wastewater
treatment plant (PWWTP) offline. The trunk sewer will ultimately be beneficial to the area by reducing
the number of septic systems in use as aging systems begin to fail. There is an established need for
residential sewer service in the immediate project area, and Charlotte Water has been receiving
requests from homeowners currently on septic systems that would like to connect to the sewer system.
Ultimately these homeowners will be able to make connections once the trunk line is place and sewer
street main extensions can be made to meet these requests.
Another goal for Charlotte Water is to reduce the number of existing pump stations in the area by
constructing a regional pump station known as the Stevens Creek Lift Station. This will provide a basin
wide pump station for the service area. While these improvements may not be defined as mitigation for
the buffer, they will reduce existing point source discharges now and in the future.
Mitigating Effects of Sewer on Stream
• Reduction in septic systems that fail as they age which can in turn cause an increase in TMDLs
on the stream.
• Removal of point source discharge by decommissioning the existing PWWTP after trunk sewer is
activated for service.
• A reduction in pump stations will limit potential failures and demands of operating multiple
stations.
As part of this project variance request, we propose that the stream restoration be included as
mitigation for the sewer construction mitigation requirements. Stream restoration is inherently a form
of mitigation which is intended to restore a watershed to a functioning ecosystem that returns natural
rates of ecological, chemical, and physical processes not found in the existing stream. The stream
restoration will return the stream to a more natural state by adding sinuosity, aquatic habitat, floodplain
improvements, and native plant species. Buffer areas, excluding the sewer maintenance corridor,
disturbed during construction will all be restored with native species while also reducing invasive plant

species. The sewer maintenance corridor will be planted with a riparian seed mix that includes grasses
and wildflowers native to the area. Mitigating effects of these improvements will provide net watershed
benefits that include the following:
• Stream restoration will have mitigating effects that improve water quality by reconnecting the
stream to the floodplain.
• Existing buffer areas will be improved with native species plantings.
• With support from US Fish and Wildlife Service, this stream restoration includes habitat
structures for aquatic species. The restoration work will improve overall habitat and biotic
reliability in the riparian zone.
Stream restoration will reduce the effects of erosion currently prevalent in the existing incised channel
by creating a more stable channel with bank full benches and laid back slopes. This will mitigate the
effects of erosion on water quality by providing stream side zones that allow vegetative growth.

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Cephalanthus occidentalis**
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419
Cornus amomum
Silky dogwood 4 L
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1,674
Salix nigra
Black willow 4 L
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Overstory 353
Carya ovata Shagbc rk hickory lox 1 .5 R or C
Overstory 353
Acer negundo Ash -leaved maple lox 1 .5 R or C
Overstory 353
Acer rubrum Red maple lox 1 .5 R or C
Overstory 353
Quercus shumardii Shum rd oak lox 1 .5 R or C
Overstory 353
Platanus occidentalis Syc more 10 x 1 .5 R or C
Overstory 353
Juglans nigra Black walnut 10 x 1 .5 R or C
Overstory 353
Cornus florida Flowering dogwood 10 x 1 .5 R or C
Understory 469
Asimina triloba Pa paw 10 x 1 .5 R or C
Understory 469
Cercis canadensis Re bud 10 x 1 .5 R or C
Understory 469
Styrax grandifolius Bigleaf snowbell 10 x 1 .5 R or C
Understory 469
Subtotal 4,701
Wetlands (Zone 3a), Total Acreage
Acres
0.56
Species
Common Name
Max
Spacing
(ft)
Unit Type*
Size
Stratum
Special Notes
No. of Stems
Acer negundo
Boxelder
lox 12.5
R or C
0.75 in at 6 in
above root ball or 1
gal
Overstory
28
Betula nigra River birch lox 12.5 R or C
Overstory
28
Carya ovata Shagbark hickory 10 x 12.5 R or C
Overstory
28
Quercus shumardii Shumard oak 10 x 12.5 R or C
Overstory
28
Cornus florida Flowering dogwood 10 x 12.5 R or C
Understory
32
Asimina triloba Pawpaw 10 x 12.5 R or C
Understory
32
Viburnum dentatum Southern arrowood 5.5 x 6 C
1al
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40
40
Cephalanthus occidentalis Buttonbush 5.5 x 6 C
Shrub
Subtotal
254
Permanent Seeding, (Zones 1-2a and 2b), Total Acreage
Acres
16.3
Species
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Max
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(ft)
Unit Type*
Size
Stratum
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No. of Stems
Lbs/ac
Total Lbs
Asclepias tuberosa
Butterfly weed
NA
S
NA
Herb
NA
5
82
Hibiscus moscheutos
Rose mallow
S
Herb
5
82
Andropogon virginicus
Broom sedge
S
Herb
5
82
Dicanthelium (Panicum) clandestinum
Deer tongue
S
Herb
5
82
Panicum anceps
Switchgrass
S
Herb
5
82
Elymus virginicus
Virginia wild rye
S
Herb
5
82
Secale cereale
I Rye grain
S
I Herb
20
327
Setaria italica
Foxtail millet
S
Herb
10
163
Subtotal
60
980
Wetland Seeding, (Zone 3a and 3b), Total Acreage
Acres
0.58
Species
Common Name
Max
Spacing
(ft)
Unit Type*
Size
Stratu
Special Notes
No. of Stems
Lbs/ c
Total Lbs
Cephalanthus occidentalis
Buttonbush
NA
S
NA
Herb
NA
3.5
2.0
Chasmanthium latifolium
River oats
S
Herb
3.5
2.0
Elymus virginicus
Virginia wild rye
S
Herb
3.5
2.0
Helianthus angustifolius
Swamp sunflower
S
Herb
3.5
2.0
Lobelia cardinalis
Cardinal flower
S
Herb
3.5
2.0
Mimulus ringens
Monkey Flower
S
Herb
3.5
2.0
Pontederia cordata
Pickerelweed
S
Herb
3.5
2.0
Pycnanthemum tenuifolium
Narrowleaf mountain mint
S
Herb
3.5
2.0
Saururus cernuus
Lizard's tail
S
Herb
3.5
2.0
Solidago nemoralis
Gray goldenrod
S
Herb
3.5
2.0
Secale cereale
Rye grain
S
Herb
20
11.6
Setaria italica
Foxtail millet
S
Herb
10
5.8
Subtotal
65
38
Total
9,144
125
1,018
16.9
*C = Container; L = Live stake; R = Bare root; S = Seed
**Only plant Buttonbush along the toe of the stream bank, this planting area is confined to the lowest planting row of live stakes.
Note: Stem subtotals shall remain constant but the number of stems per species of within each stratum may vary.
Note: Shrubs must be planted in groups more densely around the outer edges of the wetland
PLANTING GUIDELINES:
• ALL PLANTS WILL BE NATIVE TO THE NORTH CAROLINA PIEDMONT REGION.
• INVASIVE SPECIES WILL NOT BE USED IN ANY WATER QUALITY BUFFER REVEGETATION
• FOR DISTURBED AREAS WITH SLOPES 3:1 OR GREATER, SOIL WILL BE STABILIZED WITH MATTING OR OTHER APPROVED STABILIZATION METHOD UNTIL PERMANENT VEGETATION IS ESTABLISHED. ONLY 100%
BIODEGRADABLE MATERIAL WILL BE USED.
• PLANTING ALLOWANCES MAY BE MADE FOR EXISTING TREES.
• IT IS RECOMMENDED THAT CHEMICAL FERTILIZERS AND PESTICIDES NOT BE USED IN THE BUFFER DUE TO THE RISK OF STORM WATER POLLUTION. INSTEAD, COMPOST OR ORGANIC MATTER SHOULD BE
INCORPORATED INTO THE SOIL, WHICH WILL PROVIDE SUFFICIENT NUTRIENTS FOR ADEQUATE PLANT GROWTH. INVASIVE SPECIES SHOULD BE REMOVED BY HAND CLEARING INSTEAD OF USING PESTICIDES.
• PLANTINGS SHOULD OCCUR AT THE APPROPRIATE TIME OF YEAR TO PROMOTE SURVIVABILITY. IN MECKLENBURG COUNTY, THIS IS TYPICALLY FROM NOVEMBER THROUGH EARLY MARCH.
• 10% OF THE TREES PLANTED ARE TO BE CONTAINERIZED, THE REST ARE TO BE BAREROOT.
• CONTAINERIZED TREES SHALL BE EVENLY DISTRIBUTED THROUGHOUT THE PROJECT SITE.
NOTES:
• NO SEED SHALL BE PLACED ON COMPACTED SOIL. PRIOR TO SEEDING, THE SOIL SHALL BE SCARIFIED TO A MINIMUM DEPTH OF 4 INCHES. ALL SEEDING AREAS SHALL BE COVERED WITH STRAW MULCH AT
THE RATE OF 1-2 TONS PER ACRES.
• TEMPORARY SEEDING SHALL BE APPLIED ON ANY DISTURBED AREAS TO REMAIN UNTOUCHED FOR MORE THAN 14 DAYS. PERMANENT SEEDING SHALL BE INSTALLED WITHIN 15 WORKING DAYS OF
CONSTRUCTION COMPLETION.
• FOLLOWING BUFFER RESTORATION, DIFFUSE FLOW WILL BE MAINTAINED THROUGH THE BUFFER IN PERPETUITY
• IT IS RECOMMENDED THAT CHEMICAL FERTILIZERS AND PESTICIDES NOT BE APPLIED IN THE BUFFER
• ALL PLANTS WILL BE MAINTAINED IN PERPETUITY AND WILL BE REPLACED AS NECESSARY TO ENSURE THAT THE ORIGINAL PLANTING DENSITY IS MAINTAINED.
• FOLLOWING THE COMPLETE INSTALLATION OF THE APPROVED WATER QUALITY BUFFER REVEGETATION PLAN, A FINAL INSPECTION AND WRITTEN APPROVAL MUST BE MADE BY CHARLOTTE-MECKLENBURG
STORM WATER SERVICES. CALL [phone] TO SCHEDULE A FINAL INSPECTION.
• IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO MAINTAIN THE REVEGETATED SITE AND REPAIR, PROTECT, AND ADD ADDITIONAL CONTROLS TO PROTECT THE BUFFER AS NECESSARY AT THEIR SOLE
EXPENSE DURING THE WARRANTY PERIOD.
\ ' BANKFULL
1 tiQTy
POOL 1.. •• L
I 11P
�/TAA
.• / S
RIFFLE THALWEG TO
Q/
LOW FLOW
WATER SURFACE
POOL
••' •'1 LIVE STAKES
BUDS (FACING UPWARD)
BASAL END CUT AT 450, 1/2" TP 1-1 /2" IN
DIAMETER
LIVE STAKES
INNER BERM I -
1 LIVE STAKING
65 NOT TO SCALE
PROPOSED STREAMBED
Cf
6" MIN. -
HORIZONTAL
OVERLAP
VERTICAL
OVERLAP
7' ITVDI
700 g/m2
COIR FIBER
MATTING
6" MIN.J
HORIZONTAL
OVERLAP
MATTING STAKING VIEW
2 MATTING, TYPICAL
65 NOT TO SCALE
1. INSERT PLANTING BAR AS SHOWN 2. REMOVE PLANTING BAR AND PLACE
AND PULL HANDLE TOWARD SEEDLING AT CORRECT DEPTH.
PLANTER.
4. PULL HANDLE OF BAR TOWARD
PLANTER, FIRMING SOIL AT BOTTOM.
5. PUSH HANDLE FORWARD
FIRMING SOIL AT TOP.
DIBBLE PLANTING METHOD
USING THE KBC PLANTING BAR
(FOR FLOODPLAIN BUFFER PLANTING AND UPLAND
BUFFER PLANTING)
3 PLANTING LINEAR BAREROOT
65 NOT TO SCALE
2' LONG 1"x 2" WOOD STAKES
w/ 2" GALVANIZED ROOFING NAIL
AT THE TOP TO HOLD MATTING
I�
BKF ELEVATION
PROPOSED GROUND
NOTES:
1. LIVE STAKES SHALL BE INSTALLED WHERE INDICATED ON THE
DRAWINGS AND DETAILS.
2. LIVE STAKES SHALL BE CUT FROM AN APPROVED SOURCE WITH A
SHARP TOOL. STAKE SHALL BE FREE FROM DISEASE OR EXCESS
DEAD TWIGS, 2.5 TO 4 FEET IN LENGTH WITH A BASAL END 0.5 TO
1.5 INCH IN DIAMETER. PRIOR TO INSTALLATION BASAL END SHALL
BE CUT AT A 45 DEGREE ANGLE AND THE TOP END SHALL BE CUT
FLAT WITHOUT CRACKS.
3. LIVE STAKES SHALL BE INSTALLED BY GENTLY TAMPING INTO THE
SOIL LEAVING 20% EXPOSED. STAKES SHALL BE PLACED IN A
RANDOM PATTERN AT A RATE OF 1 LIVE STAKE PER SQUARE YARD
ALONG BANKS FOR 8 FEET WIDTH (APPROXIMATELY 3 ROWS).
4. LIVE STAKES SHALL BE INSTALLED WHEN THEY ARE DORMANT,
WHICH TYPICALLY OCCURS BETWEEN OCTOBER 31 AND MARCH
31.
5. SEE PLANTING SCHEDULE.
-OIR MATTING FROM TOE OF SLOPE
BA�1` II I Tr
2 FT. BEYOND
3. INSERT PLANTING BAR 21N. TOWARD
PLANTER FROM SEEDLING.
6. LEAVE COMPACTION HOLE OPEN
WATER THOROUGHLY.
SECTION A -A
BANKFULL
w/ 2" GALVANIZED ROOFING NAIL
AT THE TOP TO HOLD MATTING
CE:t-T1t-NK1 D D
NOTES:
1. ALL MATERIALS ARE TO BE APPROVED BY ENGINEER OR ENGINEER'S ONSITE CONSTRUCTION
MANAGER.
2. BEFORE INSTALLING COIR MATTING, TILL UPPER 3'4' OF SOIL TO HELP VEGETATION TO
ESTABLISH. RAKE SOIL LEVEL AND ADD SEED AND MULCH BEFORE INSTALLING COIR FIBER
MATTING.
3. MATTING SHALL TERMINATE AND BE BURIED AT THE EDGE OF CHANNEL SUBSTRATE. MATTING
SHALL NOT EXTEND BELOW LOW -FLOW STAGE IN TWO-STAGE RIFFLE.
PLANTING BAG:
DURING PLANTING, SEEDLINGS
SHALL BE KEPT IN A MOIST
CANVAS BAG OR SIMILAR
CONTAINER TO PREVENT THE
ROOT SYSTEMS FROM DRYING.
KBC PLANTING BAR:
PLANTING BAR SHALL HAVE A
BLADE WITH A TRIANGULAR
CROSS SECTION, AND SHALL
BE 121N. LONG, 41N. WIDE AND 11N. THICK AT
CENTER.
ROOT PRUNING:
ALL SEEDLINGS SHALL BE ROOT
PRUNED, IF NECESSARY, SO THAT NO ROOTS
EXTEND MORE THAN 10 INCHES (101N.) BELOW
THE ROOT COLLAR.
NOTES:
1. TREE REFORESTATION SHALL BE PLANTED CTO 10' ON CENTER, RANDOM SPACING,
AVERAGING 8' ON CENTER, APPROXIMATELY 680 PLANTS PER ACRE.
2. OTHER PLANTING METHOD CAN BE USED WITH THE PERMISSION OF THE PLANTING
SUPERVISOR.
3. ALL MATERIALS ARE TO BE APPROVED BY ENGINEER OR ENGINEER'S ONSITE
CONSTRUCTION MANAGER.
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HORIZONTAL
OVERLAP
MATTING STAKING VIEW
2 MATTING, TYPICAL
65 NOT TO SCALE
1. INSERT PLANTING BAR AS SHOWN 2. REMOVE PLANTING BAR AND PLACE
AND PULL HANDLE TOWARD SEEDLING AT CORRECT DEPTH.
PLANTER.
4. PULL HANDLE OF BAR TOWARD
PLANTER, FIRMING SOIL AT BOTTOM.
5. PUSH HANDLE FORWARD
FIRMING SOIL AT TOP.
DIBBLE PLANTING METHOD
USING THE KBC PLANTING BAR
(FOR FLOODPLAIN BUFFER PLANTING AND UPLAND
BUFFER PLANTING)
3 PLANTING LINEAR BAREROOT
65 NOT TO SCALE
2' LONG 1"x 2" WOOD STAKES
w/ 2" GALVANIZED ROOFING NAIL
AT THE TOP TO HOLD MATTING
I�
BKF ELEVATION
PROPOSED GROUND
NOTES:
1. LIVE STAKES SHALL BE INSTALLED WHERE INDICATED ON THE
DRAWINGS AND DETAILS.
2. LIVE STAKES SHALL BE CUT FROM AN APPROVED SOURCE WITH A
SHARP TOOL. STAKE SHALL BE FREE FROM DISEASE OR EXCESS
DEAD TWIGS, 2.5 TO 4 FEET IN LENGTH WITH A BASAL END 0.5 TO
1.5 INCH IN DIAMETER. PRIOR TO INSTALLATION BASAL END SHALL
BE CUT AT A 45 DEGREE ANGLE AND THE TOP END SHALL BE CUT
FLAT WITHOUT CRACKS.
3. LIVE STAKES SHALL BE INSTALLED BY GENTLY TAMPING INTO THE
SOIL LEAVING 20% EXPOSED. STAKES SHALL BE PLACED IN A
RANDOM PATTERN AT A RATE OF 1 LIVE STAKE PER SQUARE YARD
ALONG BANKS FOR 8 FEET WIDTH (APPROXIMATELY 3 ROWS).
4. LIVE STAKES SHALL BE INSTALLED WHEN THEY ARE DORMANT,
WHICH TYPICALLY OCCURS BETWEEN OCTOBER 31 AND MARCH
31.
5. SEE PLANTING SCHEDULE.
-OIR MATTING FROM TOE OF SLOPE
BA�1` II I Tr
2 FT. BEYOND
3. INSERT PLANTING BAR 21N. TOWARD
PLANTER FROM SEEDLING.
6. LEAVE COMPACTION HOLE OPEN
WATER THOROUGHLY.
SECTION A -A
BANKFULL
w/ 2" GALVANIZED ROOFING NAIL
AT THE TOP TO HOLD MATTING
CE:t-T1t-NK1 D D
NOTES:
1. ALL MATERIALS ARE TO BE APPROVED BY ENGINEER OR ENGINEER'S ONSITE CONSTRUCTION
MANAGER.
2. BEFORE INSTALLING COIR MATTING, TILL UPPER 3'4' OF SOIL TO HELP VEGETATION TO
ESTABLISH. RAKE SOIL LEVEL AND ADD SEED AND MULCH BEFORE INSTALLING COIR FIBER
MATTING.
3. MATTING SHALL TERMINATE AND BE BURIED AT THE EDGE OF CHANNEL SUBSTRATE. MATTING
SHALL NOT EXTEND BELOW LOW -FLOW STAGE IN TWO-STAGE RIFFLE.
PLANTING BAG:
DURING PLANTING, SEEDLINGS
SHALL BE KEPT IN A MOIST
CANVAS BAG OR SIMILAR
CONTAINER TO PREVENT THE
ROOT SYSTEMS FROM DRYING.
KBC PLANTING BAR:
PLANTING BAR SHALL HAVE A
BLADE WITH A TRIANGULAR
CROSS SECTION, AND SHALL
BE 121N. LONG, 41N. WIDE AND 11N. THICK AT
CENTER.
ROOT PRUNING:
ALL SEEDLINGS SHALL BE ROOT
PRUNED, IF NECESSARY, SO THAT NO ROOTS
EXTEND MORE THAN 10 INCHES (101N.) BELOW
THE ROOT COLLAR.
NOTES:
1. TREE REFORESTATION SHALL BE PLANTED CTO 10' ON CENTER, RANDOM SPACING,
AVERAGING 8' ON CENTER, APPROXIMATELY 680 PLANTS PER ACRE.
2. OTHER PLANTING METHOD CAN BE USED WITH THE PERMISSION OF THE PLANTING
SUPERVISOR.
3. ALL MATERIALS ARE TO BE APPROVED BY ENGINEER OR ENGINEER'S ONSITE
CONSTRUCTION MANAGER.
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Permit -Seal
EO
Project Number: 175613085
File Name: 13085C-002-VEG.dwg
Dwn. Chkd. Dsgn. YY.MM.DD
Drawing No. #
Revision Sheet
O 65 of 73

i
JD STREAM CROSSING S3
8 JD STREAM CROSSING S4 i
° o0 0
o O o
\ °
• o
/ o ° o ° o ° o
0
° °
o
° ° °° °° ° J EAM CROSSING S5
° , \ o
o
° o ° , o
�-.. ... \ '
30' PERMANENT EA'SEMENT
/ FUTURE SS EXTENSION
W/ 20' STREAM SIDE 0
/\\
-- ) TEMP EASEMENT
WETLAND
Q �
PROPOSED PS B OTHERS \ JD STREAM CROSSING S1 / \
20 FT BUFFER
' 40' PFRMANFNT EASEMENT
W 16' STREAM SIDE
TEMP EASEMENT \
JD STRE C G S6 / °°°°O TP TIE IN LOC IC
ETLAND DISTURBANCE 4 . ..
0
IMPACT AREA — 0.06 AC
00 ° WETLAND .;il \`- -- -- — \
O----- --
°° � -----� \ WETLAND DISTURBANCE
° WETLAND DISTURBANCE 3 \.�
o
°° ° IMPACT AREA 0.07 AC O IMPACT� AREA — 0.11 AC
/ O o
I
I \\
° PROPOSED STEVENS CREEK °
i o ° o NATURE CENTER W/ 30' STREAM SIDE \'�, o
I TEMP EASEMENT \, \
1 TEMPORARY E SEMENT \\
°
\°
� o
I
0
o
\ \ \ N RO P� \
I0 \
° 1 200—FT BUFFER
o
° o°
° \
WETLAND DISTURBANCE 1 \ \
\ — IMPACT AREA — 0.06 AC \
I
\ 20' PERMANENT EASEMENT
\ W/ 30' UPLAND SIDE
\ TEMP EASEM E T \
CHEVAL PROPERTY
J0L1 CHEVAL L
I
\ I
1EI\1S CREE S UTFA L'A AND B
'/I�
1 y
I
I
I
I
I
�x
WETLAND
000 of * 0
FERIIIIIIIIIIIIIIIIIIIIiiiiiililllllI-'I A P
i
LEGEND
SEWER ALIGNMENT
— — PERMANENT EASEMENT
TEMPORARY EASEMENT
200—FT BUFFER
— —EXISTING CREEK
PERMANENT EASEMENT
TEMPORARY EASEMENT
MAINTENANCE EASE.
� WETLAND DISTURBANCE
TREELINE
\� f— PROPOSED STREAMBANK
Q 1 "=150' �
GHD, 222 South Church Street, Suite 400, Charlotte NC 28202