20190686 Ver 1_PCN Form Submission_20190523

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02*10n of Water R"Ourc"
Pre -Construction Notification (PCN) Form
September 29, 2018 Ver 3
Initial Review
Has this project met the requirements for acceptance into the review process?*
r Yes
r No
Is this project a public transportation project?*
r Yes r No
Change only if needed.
BIMS # Assigned *
Version#*
20190686
1
Is a payment required for this project?*
* No payment required
What amout is owed?*
* Fee received
r $240.00
r Fee needed - send electronic notification
r $570.00
Reviewing Office* Select Project Reviewer*
Asheville Regional Office - [phone] Zan Price:eads\gaprice
Information for Initial Review
1a. Name of project:
Lake Craig Sediment Removal
1a. Who is the Primary Contact?*
Jon Swaim
1b. Primary Contact Email:*
[e-mail]
Date Submitted
5/23/2019
Nearest Body of Water
Swannanoa River
Basin
French Broad
Water Classification
C
Site Coordinates
Latitude:
35.581622
A. Processing Information
County (or Counties) where the project is located:
Buncombe
Is this project a public transportation project?*
r Yes r No
Longitude:
-82.492105
1a. Type(s) of approval sought from the Corps:
V Section 404 Permit (wetlands, streams and waters, Clean Water Act)
F Section 10 Permit (navigable waters, tidal waters, Rivers and Harbors Act)
1 b. What type(s) of permit(s) do you wish to seek authorization?
P Nationwide Permit (NWP)
F- Regional General Permit (RGP)
r- Standard (IP)
1c. Primary Contact Phone:*
[phone]

1c. Has the NWP or GP number been verified by the Corps?
r Yes r No
Nationwide Permit (NWP) Number:
NWP Numbers (for multiple NWPS):
1d. Type(s) of approval sought from the DWR:
P 401 Water Quality Certification - Regular
F Non -404 Jurisdictional General Permit
F Individual Permit
03 - Maintenance
1e. Is this notification solelyfor the record because written approval is not required?
For the record only for DWR 401 Certification:
For the record only for Corps Permit:
F 401 Water Quality Certification - Express
F Riparian Buffer Authorization
1f. Is this an after -the -fact permit application?*
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
19. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
Acceptance Letter Attachment
1h. Is the project located in any of NC's twenty coastal counties?
r Yes r No
1j. Is the project located in a designated trout watershed?
r Yes r No
B. Applicant Information
1d. Who is applying for the permit?
Q Owner r Applicant (other than owner)
1e. Is there an Agent/Consultant for this project?
C Yes r No
2. Owner Information
2a. Name(s) on recorded deed:
City of Asheville
2b. Deed book and page no.:
1371. 0077
2c. Responsible party:
McCray Coates
2d. Address
Street Address
PO Box 7148
Address Line 2
City
Asheville
Postal / Zip Code
28802
State / Rovince / Fbjion
NC
Country
us
2e. Telephone Number: 2f. Fax Number:
[phone] [phone]
2g. Email Address:*
[e-mail]
C. Project Information and Prior Project History
1. Project Information
r Yes r No
rYes rNo

1b. Subdivision name:
(d appropriate)
1c. Nearest municipality/ town:
Asheville
2. Project Identification
2a. Property Identification Number:
9668140551
2c. Project Address
Street Address
Gashes Creek Rd
Address Line 2
City
Asheville
Postal / Zip Code
28805
3. Surface Waters
3a. Name of the nearest body of water to proposed project:*
Swannanoa River
3b. Water Resources Classification of nearest receiving water:*
C
3c. What river basin(s) is your project located in?*
French Broad
3d. Please provide the 12 -digit HUC in which the project is located.
060101050604
4. Project Description and History
2b. Property size:
19.42
State / Province / Region
NC
Country
US
4a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application:*
The proposed project area consists of an approximately 2.4 -acre area along the left bank of the Swannanoa River above the Lake Craig dam. The area has received large sediment
loads of eroded material over the past 5 to 6 years. See Location Map. The general land use in the vicinity of the proposed project area consists of a large recreational park, forested
undeveloped land, commercial land, and residential communities.
4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?*
r Yes f No F Unknown
4d. Attach an 8 1/2 X11 excerpt from the most recent version of the USGS topographic map indicating the location of the project site. (for DWR)
Lake Craig USGS Map.pdf
10.47MB
4e. Attach an 8 1/2 X11 excerpt from the most recent version of the published County NRCS Soil Survey map depicting the project site. (for DWR)
Soil Map.pdf 421.14KB
4f. list the total estimated acreage of all existing wetlands on the property:
0.25
4g. List the total estimated linear feet of all existing streams on the property:
0
4h. Explain the purpose of the proposed project:*
The purpose of the proposed project is to remove accumulated sediment along the left bank of the Swannanoa River to create a'bench' for the river to utilize during high rain/flood
events. Currently, the river does not have access to this bench area and is causing erosion issues along the right bank and downstream areas.
41. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*

The proposed project will begin with the construction of a temporary entrance, all construction activity shall use the temporary construction entrance for entering and exiting the site.
Prior to grading activities, a perimeter sediment control fence will be constructed as shown on plans. Additional sediment fence may be required by the engineer. Sediment control fence
outlets shall be placed with minimum spacing of 100 liner feet. Additional outlets shall be installed by contractor at low points based on field conditions. The contractor shall not disturb
the river bank at or below the ordinary high-water elevation during sediment control fence installation or any time throughout construction. See Sheet C-101.
Install ground stabilization matting (nag s75bn or fully biodegradable equivalent) in the vicinity of the slope drain, as part of perimeter erosion control measures. Install temporary
diversion and slope drain as part of perimeter erosion control measures. The slope drain shall discharge at a sediment control fence outlet as shown on the plan. Slope drain shall be
placed on top of ground stabilization matting. Install remainder or ground stabilization matting (nag s75bn or fully biodegradable equivalent) shown on plan. See Sheet C-101 and G-
003, G-004 Erosion Control Notes.
Once perimeter erosion control measure installation is complete, contractor shall begin sediment removal. Sediment removal shall be conducted in phases (1-3). The contractor shall
begin with phase 1, at the edge of the slope stabilization matting and work across phase 1 to phase 2. Progress should proceed east -to -west and contractor shall make special effort to
keep even line of progress north -to -south. 50% of the ground surface within each phase must have stabilization measures (seed, mulch, etc.) applied or installed before the contractor
can begin sediment removal in the next phase. Removed materials to be transported off-site to an appropriate facility. Contractor shall verify percent completion with engineer prior to
moving into next phase of sediment removal.
Seed/grass and install erosion control matting as necessary for ground stabilization on all perimeter and 3:1 (or greater) slopes once finished grade is reached or within 7 calendar days
after final grade is achieved. Groundcover that is sufficient to restrain erosion must be placed on all exposed slopes greater than 3:1 and all perimeter areas (including dikes, swales,
ditches and slopes) within seven (7) days of completion of any phase of grading; place permanent groundcover for all other disturbed areas within fourteen (14) working days of
finished grade.
Erosion control measures shall be maintained during the entire length of the project and until site is stabilized. Upon site stabilization, the contractor shall notify the engineer for
inspection and co-ordination of the removal of temporary erosion control measures. All areas where erosion control measures are removed shall be worked to finish grade and
stabilized.
Impact W1 - Wetland A- area to be stabilized using native seed mixand mulched.
Estimated time to stabilize the site is six (6) months.
Typical grading equipment including dump trucks, excavators, and skid steers will be used during project.
4j. Please upload project drawings for the proposed project.
COMBINED PLANS 4-30-2019.pdf 5.01 MB
5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the property or proposed impact areas?*
r Yes
Comments
r No
5b. If the Corps made a jurisdictional determination, what type of determination was made?*
r Preliminary r Approved r Not Verified r Unknown r WA
Corps AID Number:
5c. If 5a is yes, who delineated the jurisdictional areas?
Name (if known): Jonathan Herman, Alex LovAermilk
Agency/Consultant Company: McGill Associates, PA
Other:
5d1. Jurisdictional determination upload
Lake Craig JD 3-23-19.pdf
6. Future Project Plans
6a. Is this a phased project?*
r Yes O No
26.S5MB
r Unknown
Are any other NWP(s), regional general permit(s), or individual permits(s) used, or intended to be used, to authorize any part of the proposed projector related activity?
The proposed project will consist of on-going maintenance to the bench area. As sediment accumulates, it will routinely be removed so that the Swannanoa River can access the bench
during high flow events. A Nationwide 3 permit will be applied for if necessary for future sediment removal.
D. Proposed Impacts Inventory
1. Impacts Summary
1a. Where are the impacts associated with your project? (check all that apply):
V Wetlands r Streams -tributaries ❑ Buffers
❑ Open Waters ❑ Pond Construction
2. Wetland Impacts
2a1 Reason (?) 2b. Impact type * (?) 2c. Type of W. * 2d. W. name * 2e. Forested * 2f. Type of 29. Impact
Jurisdicition*M area*
W1 excavation T Unknown Wetland A Both 0.250
(MM)

2g. Total Temporary Wetland Impact 2g. Total Permanent Wetland Impact
0.250 0.000
2g. Total Wetland Impact
0.250
2h. Comments:
Equipment access and grading activities will temporarily impact Wetland A during sediment removal.
E. Impact Justification and Mitigation "r
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project:
Proposed wetland impacts are designed to be temporary. The sediment load which has accumulated on the bench and wetland area will be removed
without disturbing original ground. Erosion and sedimentation plans include silt fencing and diversion ditch to avoid impacts to the Swannanoa River.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:
Construction will not begin until all appropriate erosion control measures are in place. During construction, work will be scheduled to avoid rain and
high water events. Erosion control measures will not be removed until grading is completed and all disturbed areas are fully stabilized.
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State?
r Yes r No
2b. If this project DOES NOT require Compensatory Mitigation, explain why:
Wetland A will only receive temporary impacts as a result of the proposed project. No permanent impacts anticipated.
F. Stormwater Management and Diffuse Flow Plan (required by DWR)
1. Diffuse Flow Plan
1a. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules?
r Yes r No
If no, explain why:
No riparian buffer rules for French Broad River basin.
2. Stormwater Management Plan
2a. Is this a NCDOT project subject to compliance with NCDOTs Individual NPDES permit NCS000250?
d Yes O No
2b. Does this project meet the requirements for low density projects as defined in 15A NCAC 02H .1003(2)?
O Yes O No
Comments:
No additional impermeable surfaces proposed for the project.
G. Supplementary Information '
1. Environmental Documentation
1a. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land?*
r Yes r No
1b. If you answered "yes" to the above, does the project require preparation of an environmental document pursuant to the requirements of the National or State (North Carolina)
Environmental Policy Act (NEPA/SEPA)?*
r Yes r No
Comments:*
Proposed project to be funded by the City of Asheville.
2. Violations (DWR Requirement)
2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 2H .1300), or DWR Surface Water or Wetland Standards or
Riparian Buffer Rules (15A NCAC 2B .0200)?*
r Yes r No
I Cumulative Impacts (DWR Requirement)
3a. Will this project result in additional development, which could impact nearby downstream water quality?*

r Yes r No
3b. If you answered "no," provide a short narrative description.
Proposed project is for maintenance of existing developed land. No additional development anticipated as a result of the proposed work.
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
f Yes r No r WA
5. Endangered Species and Designated Critical Habitat (Corps Requirement)
5a. Will this project occur in or near an area with federally protected species or habitat?*
r Yes r No
5b. Have you checked with the USFWS concerning Endangered Species Act impacts?*
(Yes r No
5d. Is another Federal agency involved?*
r Yes r No r Unknown
5e. Is this a DOT project located within Division's 1-8?
r Yes r No
5f. Will you cut anytrees in order to conduct the work in waters of the U.S.?
r Yes r No
5g. Does this project involve bridge maintenance or removal?
r Yes r No
5h. Does this project involve the construction/installation of a wind turbine(s)?*
r Yes r No
Si. Does this project involve (1) blasting, and/or (2) other percussive activities that will be conducted by machines, such as jackhammers, mechanized pile drivers, etc.?
r Yes r No
5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat?
https://ecos.fws.gov/ipac/
https://vvww.fm.gov/raleigh/species/entylisUbuncombe.htmi
Project area consists of previously disturbed land which does not contain suitable habitat for any listed species.
Consultation Documentation Upload
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as an Essential Fish Habitat?*
r Yes r No
6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?*
https://vwAv.habitat.noaa.gov/protection/efh/efhmapper/
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status?*
r Yes r No
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?*
http://gis.ncdcr.gov/hpovveb/
7c. Historic or Prehistoric Information Upload
NCHPO Map.pdf 618.71 KB
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA -designated 100 -year floodplain?*
r Yes (- No
8b. If yes, explain how project meets FEMA requirements:
The proposed grading work will be restoring the bench area to its original grades and contours prior to sediment deposition. Any floodplain permitting
will be coordinated with the City of Asheville Floodplain Administrator.
8c. What source(s) did you use to make the floodplain determination?*
https://fris.nc.gov/fris/Indexaspx?FIPS=021 &ST=NC&user=General%20Public
M csi ellaneous

Comments
Miscellaneous attachments not previously requested.
Signature
rJ By checking the box and signing below, I certify that:
• I have given true, accurate, and complete information on this form;
• I agree that submission of this PCN form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act");
• I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act');
• I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature; AND
• I intend to electronically sign and submit the PCN form.
Full Name:
McCray Coates
Signature
Date
5/23/2019

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USGS MAP PROJECT # LAKE CRAIG PROJECT Mc Gill
MARCH 1, 2019 18.00132 BUNCOMBE COUNTY, A S S O C I A T E S
NORTH CAROLINA ENGINEERING • PLANNING • FINANCE
1013 STATE FARM ROAD BOONE, NC 28607 PH. [phone]

Soil Map—Buncombe County, North Carolina
Natural Resources
Conservation Service
Web Soil Survey
National Cooperative Soil Survey
2/26/2019
Page 1 of 339384703938500393853039385603938590393862039386503938470393850039385303938560393859039386203938650364650364680364710364740364770364800364830364860364890364920364950
364650 364680 364710 364740 364770 364800 364830 364860 364890 364920 364950
35° 34' 56'' N 82° 29' 38'' W35° 34' 56'' N82° 29' 25'' W35° 34' 49'' N
82° 29' 38'' W35° 34' 49'' N
82° 29' 25'' WN
Map projection: Web Mercator Corner coordinates: WGS84 Edge tics: UTM Zone 17N WGS84
0 50 100 200 300
Feet
0 20 40 80 120
Meters
Map Scale: 1:1,500 if printed on A landscape (11" x 8.5") sheet.
Soil Map may not be valid at this scale.
MAP LEGEND MAP INFORMATION
Area of Interest (AOI)
Area of Interest (AOI)
Soils
Soil Map Unit Polygons
Soil Map Unit Lines
Soil Map Unit Points
Special Point Features
Blowout
Borrow Pit
Clay Spot
Closed Depression
Gravel Pit
Gravelly Spot
Landfill
Lava Flow
Marsh or swamp
Mine or Quarry
Miscellaneous Water
Perennial Water
Rock Outcrop
Saline Spot
Sandy Spot
Severely Eroded Spot
Sinkhole
Slide or Slip
Sodic Spot
Spoil Area
Stony Spot
Very Stony Spot
Wet Spot
Other
Special Line Features
Water Features
Streams and Canals
Transportation
Rails
Interstate Highways
US Routes
Major Roads
Local Roads
Background
Aerial Photography
The soil surveys that comprise your AOI were mapped at
1:12,000.
Warning: Soil Map may not be valid at this scale.
Enlargement of maps beyond the scale of mapping can cause
misunderstanding of the detail of mapping and accuracy of soil
line placement. The maps do not show the small areas of
contrasting soils that could have been shown at a more detailed
scale.
Please rely on the bar scale on each map sheet for map
measurements.
Source of Map: Natural Resources Conservation Service
Web Soil Survey URL:
Coordinate System: Web Mercator (EPSG:3857)
Maps from the Web Soil Survey are based on the Web Mercator
projection, which preserves direction and shape but distorts
distance and area. A projection that preserves area, such as the
Albers equal-area conic projection, should be used if more
accurate calculations of distance or area are required.
This product is generated from the USDA-NRCS certified data as
of the version date(s) listed below.
Soil Survey Area: Buncombe County, North Carolina
Survey Area Data: Version 15, Sep 10, 2018
Soil map units are labeled (as space allows) for map scales
1:50,000 or larger.
Date(s) aerial images were photographed: Nov 23, 2011—Nov
28, 2017
The orthophoto or other base map on which the soil lines were
compiled and digitized probably differs from the background
imagery displayed on these maps. As a result, some minor
shifting of map unit boundaries may be evident.
Soil Map—Buncombe County, North Carolina
Natural Resources
Conservation Service
Web Soil Survey
National Cooperative Soil Survey
2/26/2019
Page 2 of 3
Map Unit Legend
Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI
EwF Evard-Cowee complex, 50 to
95 percent slopes, stony
0.0 1.0%
UfB Udorthents-Urban land
complex, 0 to 5 percent
slopes, occasionally flooded
1.7 61.3%
UhE Udorthents-Urban land
complex, 2 to 50 percent
slopes
0.6 21.1%
W Water 0.4 16.6%
Totals for Area of Interest 2.7 100.0%
Soil Map—Buncombe County, North Carolina
Natural Resources
Conservation Service
Web Soil Survey
National Cooperative Soil Survey
2/26/2019
Page 3 of 3
USDA FSA, GeoEye
NR Points
NR Individual Listing
NR Listing, Gone
NRHD Center Point
NR Boundaries
National Register Boundary
Boundary of Destroyed/Removed NR Listing
SL Points
SL Individual Entry
SL and DOE entry
Study List Entry, Gone
SL and DOE, Gone
SLHD Center Point
SLDOEHD Center Point
SL Boundaries
Study List Boundary
Both SL and Determined Eligible Boundary
DOE Points
Determined Eligible
DOE, Gone
SL and DOE
SL and DOE, Gone
February 26, 2019
0 0.1 0.20.05 mi
0 0.15 0.30.07 km
1:5,642
BUNCOMBE COUNTY, NORTH CAROLINASCHEDULE OF DRAWINGSAPRIL, 2019VICINITY MAPLAKE CRAIG SEDIMENTCITY OF ASHEVILLEL:\Broadstreet\Drawings\2018\18.00132 - Lake Craig\Design\Civil\18.00132_PLAN WITH WETLAND.dwg 4/30/2019 11:45 AM RUSSELL COX
REMOVAL PROJECTG-001 . . . . . COVER SHEETG-002 . . . . . GENERAL NOTES and STANDARD SYMBOLSG-003 . . . . .. LAND QUALITY and GENERAL EROSION CONTROL NOTESG-004 . . . . . .NCG01 EROSION CONTROL NOTESC-101 . . . . . SEDIMENT REMOVAL PLANC-102 . . . . . DRAINAGE AREA MAPC-501 . . . . . STANDARD SITE DETAILS20000 1000 2000400020001 INCH = FEETGRAPHIC SCALEE N G I N E E R I N G · P L A N N I N G · F I N A N C EA S S O C I A T E SMcGlil55 BROAD STREETPH. [phone]ASHEVILLE, NC 28801FIRM LICENSE # C-0459CITY OF ASHEVILLE CONTRACT NO. 91900154NOT TO SCALEOTEENAZALEATUNNELRD.BLACKMOUNTAINHWY.BLUERIDGEPKWY.BLUERIDGE
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COVE MOFFITTRD.CITY ofASHEVILLECOURSENAME AND LOCATION OF PROJECT:LAKE CRAIG SEDIMENT REMOVAL PROJECT69 GASHES CREEK ROADASHEVILLE, NORTH CAROLINA 28805ENGINEER:BEN CATHY, PEMcGILL ASSOCIATES, P.A.55 BROAD STREETASHEVILLE, NORTH CAROLINA 28801(828) 252-0575PROPERTY OWNER:CITY OF ASHEVILLEP.O. BOX 7148ASHEVILLE, NORTH CAROLINA 28801(828) 259-5846CONTACT PERSON:McCRAY COATES, PEP.O. BOX 7148ASHEVILLE, NORTH CAROLINA 28801(828) 232-4567
G-002MDB
18.00132
APRIL, 2019
RLCGENERAL NOTES
AND LEGENDSSHEET DESIGN REVIEW: _____
DESIGNED BY:
JOB NO.:
DATE:
CADD BY:
CONST. REVIEW: _____NO.DATEBYREVISION DESCRIPTIONL:\Broadstreet\Drawings\2018\18.00132 - Lake Craig\Design\Civil\18.00132_PLAN WITH WETLAND.dwg 4/30/2019 11:45 AM RUSSELL COX
FILE NAME:
18.00132_PLAN WITH
WETLAND.dwg
E N G I N E E R I N G · P L A N N I N G · F I N A N C E
A S S O C I A T E SMcGlil
55 BROAD STREET PH. [phone]ASHEVILLE, NC 28801 FIRM LICENSE # C-0459nnnEXISTING CONDITIONS LEGENDKnow what'sbelow.before you dig.CallRDial 811 or 1-800-632-4949N.C. One-Call CenterLAKE CRAIG SEDIMENT
BUNCOMBE COUNTY, NORTH CAROLINA
CITY OF ASHEVILLEREMOVAL PROJECT
CITY OF ASHEVILLE CONTRACT NO. 91900154 GENERAL NOTESGENERAL CONSTRUCTION NOTES######PROPOSED SYMBOLSPROPOSED ABBREVIATIONSPROPOSED LINE TYPES
G-003MDB
18.00132
APRIL, 2019
RLC
LAND QUALITY and
GENERAL EROSION
CONTROL NOTESSHEET DESIGN REVIEW: _____
DESIGNED BY:
JOB NO.:
DATE:
CADD BY:
CONST. REVIEW: _____NO.DATEBYREVISION DESCRIPTIONL:\Broadstreet\Drawings\2018\18.00132 - Lake Craig\Design\Civil\18.00132_PLAN WITH WETLAND.dwg 4/30/2019 11:45 AM RUSSELL COX
FILE NAME:
18.00132_PLAN WITH
WETLAND.dwg
E N G I N E E R I N G · P L A N N I N G · F I N A N C E
A S S O C I A T E SMcGlil
55 BROAD STREET PH. [phone]ASHEVILLE, NC 28801 FIRM LICENSE # C-0459Know what'sbelow.before you dig.CallRDial 811 or 1-800-632-4949N.C. One-Call CenterLAKE CRAIG SEDIMENT
BUNCOMBE COUNTY, NORTH CAROLINA
CITY OF ASHEVILLEREMOVAL PROJECT
CITY OF ASHEVILLE CONTRACT NO. 91900154 GENERAL EROSION CONTROL NOTESEC43UPDATED MARCH, 2017EC44NORTH CAROLINA LAND QUALITY SECTION EROSION CONTROL NOTESCUT/FILL SLOPES SEEDING SPECIFICATIONS - STEEPER THAN 3:1DITCH/OPEN AREA PERMANENT SEEDING SPECIFICATIONTEMPORARY SEEDING SPECIFICATIONUPDATED APRIL, 2018NATIVE SEEDING:NATIVE PLANT SEEDING MIX FOR STREAM OR RIVERBANK STABILIZATION
G-004MDB
18.00132
APRIL, 2019
RLCSHEETDESIGN REVIEW: _____
DESIGNED BY:
JOB NO.:
DATE:
CADD BY:
CONST. REVIEW: _____NO.DATEBYREVISION DESCRIPTIONL:\Broadstreet\Drawings\2018\18.00132 - Lake Craig\Design\Civil\18.00132_PLAN WITH WETLAND.dwg 4/30/2019 11:45 AM RUSSELL COX
FILE NAME:
18.00132_PLAN WITH
WETLAND.dwg
E N G I N E E R I N G · P L A N N I N G · F I N A N C E
A S S O C I A T E SMcGlil
55 BROAD STREET PH. [phone]ASHEVILLE, NC 28801 FIRM LICENSE # C-0459Know what'sbelow.before you dig.CallRDial 811 or 1-800-632-4949N.C. One-Call CenterLAKE CRAIG SEDIMENT
BUNCOMBE COUNTY, NORTH CAROLINA
CITY OF ASHEVILLEREMOVAL PROJECT
CITY OF ASHEVILLE CONTRACT NO. 91900154
NCG01 EROSION
CONTROL NOTES NCG01 GROUND STABILIZATION AND MATERIALS HANDLINGEFFECTIVE: 04/01/19GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITHTHE NCG01 CONSTRUCTION GENERAL PERMITImplementing the details and specifications on this plan sheet will result in the constructionactivity being considered compliant with the Ground Stabilization and Materials Handlingsections of the NCG01 Construction General Permit (Sections E and F, respectively). Thepermittee shall comply with the Erosion and Sediment Control plan approved by thedelegated authority having jurisdiction. All details and specifications shown on this sheetmay not apply depending on site conditions and the delegated authority having jurisdiction.GROUND STABILIZATION SPECIFICATIONStabilize the ground sufficiently so that rain will not dislodge the soil. Use one of thetechniques in the table below:POLYACRYLAMIDES (PAMS) AND FLOCCULANTS1.Select flocculants that are appropriate for the soils being exposed duringconstruction, selecting from the NC DWR List of Approved PAMS/Flocculants.2.Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.3.Apply flocculants at the concentrations specified in the NC DWR List of ApprovedPAMS/Flocculants and in accordance with the manufacturer's instructions.4.Provide ponding area for containment of treated Stormwater before dischargingoffsite.5.Store flocculants in leak-proof containers that are kept under storm-resistant coveror surrounded by secondary containment structures.HAZARDOUS AND TOXIC WASTE1.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.EQUIPMENT AND VEHICLE MAINTENANCE1.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 theproject.4.Collect all spent fluids, store in separate containers and properly dispose ashazardous waste (recycle when possible).5.Remove leaking vehicles and construction equipment from service until the problemhas been corrected.6.Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum productsto a recycling or disposal center that handles these materials.LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE1.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, trashreceptacle) on site to contain construction and domestic wastes.3.Locate waste containers at least 50 feet away from storm drain inlets and surfacewaters unless no other alternatives are reasonably available.4.Locate waste containers on areas that do not receive substantial amounts of runofffrom 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 orprovide 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 ifcontainers 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 WASTE1.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 surfacewaters 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 fromconstruction sites.PORTABLE TOILETS1.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 footoffset is not attainable, provide relocation of portable toilet behind silt fence or placeon a gravel pad and surround with sand bags.2.Provide staking or anchoring of portable toilets during periods of high winds or in highfoot 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 replacewith properly operating unit.HERBICIDES, PESTICIDES AND RODENTICIDES1.Store and apply herbicides, pesticides and rodenticides in accordance with labelrestrictions.2.Store herbicides, pesticides and rodenticides in their original containers with thelabel, which lists directions for use, ingredients and first aid steps in case ofaccidental poisoning.3.Do not store herbicides, pesticides and rodenticides in areas where flooding ispossible or where they may spill or leak into wells, stormwater drains, ground wateror surface water. If a spill occurs, clean area immediately.4.Do not stockpile these materials onsite.CONCRETE WASHOUTS1.Do not discharge concrete or cement slurry from the site.2.Dispose of, or recycle settled, hardened concrete residue in accordance with localand state solid waste regulations and at an approved facility.3.Manage washout from mortar mixers in accordance with the above item and inaddition place the mixer and associated materials on impervious barrier and withinlot perimeter silt fence.4.Install temporary concrete washouts per local requirements, where applicable. If analternate method or product is to be used, contact your approval authority forreview and approval. If local standard details are not available, use one of the twotypes of temporary concrete washouts provided on this detail.5.Do not use concrete washouts for dewatering or storing defective curb or sidewalksections. Stormwater accumulated within the washout may not be pumped into ordischarged to the storm drain system or receiving surface waters. Liquid waste mustbe pumped out and removed from project.6.Locate washouts at least 50 feet from storm drain inlets and surface waters unless itcan 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 receivespills or overflow.7.Locate washouts in an easily accessible area, on level ground and install a stoneentrance pad in front of the washout. Additional controls may be required by theapproving authority.8.Install at least one sign directing concrete trucks to the washout within the projectlimits. Post signage on the washout itself to identify this location.9.Remove leavings from the washout when at approximately 75% capacity to limitoverflow events. Replace the tarp, sand bags or other temporary structuralcomponents when no longer functional. When utilizing alternative or proprietaryproducts, follow manufacturer's instructions.10.At the completion of the concrete work, remove remaining leavings and dispose ofin an approved disposal facility. Fill pit, if applicable, and stabilize any disturbancecaused by removal of washout.EARTHEN STOCKPILE MANAGEMENT1.Show stockpile locations on plans. Locate earthen-material stockpile areas at least50 feet away from storm drain inlets, sediment basins, perimeter sediment controlsand surface waters unless it can be shown no other alternatives are reasonablyavailable.2.Protect stockpile with silt fence installed along toe of slope with a minimum offset offive feet from the toe of stockpile.3.Provide stable stone access point when feasible.4.Stabilize stockpile within the timeframes provided on this sheet and in accordancewith the approved plan and any additional requirements. Soil stabilization is definedas vegetative, physical or chemical coverage techniques that will restrain acceleratederosion on disturbed soils for temporary or permanent control needs.SECTION E: GROUND STABILIZATIONRequired Ground Stabilization TimeframesNote: After the permanent cessation of construction activities, any areas with temporaryground stabilization shall be converted to permanent ground stabilization as soon aspracticable but in no case longer than 90 calendar days after the last land disturbingactivity. Temporary ground stabilization shall be maintained in a manner to render thesurface stable against accelerated erosion until permanent ground stabilization is achieved.Site Area DescriptionTimeframe variations-7 days for perimeter dikes, swales,ditches, perimeter slopes and HQW Zones-10 days for Falls Lake Watershed unlessthere is zero slopeStabilize within thismany calendardays after ceasingland disturbance77714NoneNone(a)Perimeter dikes,swales, ditches, andperimeter slopes(b)High Quality Water(HQW) Zones(c)Slopes steeper than3:1If slopes are 10' or less in length and arenot steeper than 2:1, 14 days areallowed(d)Slopes 3:1 to 4:1(e)Areas with slopesflatter than 4:114-7 days for slopes greater than 50' inlength and with slopes steeper than 4:1-7 days for perimeter dikes, swales,ditches, perimeter slopes and HQWZones-10 days for Falls Lake WatershedNCG01 SELF-INSPECTION, RECORDKEEPING AND REPORTINGEFFECTIVE: 04/01/19PART IIISELF-INSPECTION, RECORDKEEPING AND REPORTINGSECTION A: SELF-INSPECTIONSelf-inspections are required during normal business hours in accordance with the tablebelow. When adverse weather or site conditions would cause the safety of the inspectionpersonnel to be in jeopardy, the inspection may be delayed until the next business day onwhich it is safe to perform the inspection. In addition, when a storm event of equal to orgreater than 1.0 inch occurs outside of normal business hours, the self-inspection shall beperformed upon the commencement of the next business day. Any time when inspectionswere delayed shall be noted in the Inspection Record.NOTE: The rain inspection resets the required 7 calendar day inspection requirement.PART IIISELF-INSPECTION, RECORDKEEPING AND REPORTINGSECTION B: RECORDKEEPING1.E&SC Plan DocumentationThe approved E&SC plan as well as any approved deviation shall be kept on the site. Theapproved E&SC plan must be kept up-to-date throughout the coverage under this permit.The following items pertaining to the E&SC plan shall be documented in the mannerdescribed:2. Additional Documentation In addition to the E&SC Plan documents above, the following items shall be kept on thesite and available for agency 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 30 days. The permittee shall recordthe required observations on the Inspection Record Form provided by the Division ora similar inspection form that includes all the required elements. Use ofelectronically-available records in lieu of the required paper copies will be allowed ifshown to provide equal access and utility as the hard-copy records.(c)All data used to complete the Notice of Intent and older inspection records shall bemaintained for a period of three years after project completion and made availableupon request. [40 CFR 122.41]PART IIISELF-INSPECTION, RECORDKEEPING AND REPORTINGSECTION C: REPORTING1.Occurrences that must be reportedPermittees 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).(a)Releases of hazardous substances in excess of reportable quantities under Section 311of 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.(b)Anticipated bypasses and unanticipated bypasses.(c)Noncompliance with the conditions of this permit that may endanger health or theenvironment.2.Reporting Timeframes and Other RequirementsAfter a permittee becomes aware of an occurrence that must be reported, he shall contactthe appropriate Division regional office within the timeframes and in accordance with theother requirements listed below. Occurrences outside normal business hours may also bereported to the Division's Emergency Response personnel at [phone], [phone] or [phone].
C-101MDB
18.00132
APRIL, 2019
RLCSEDIMENT REMOVAL PLANSHEET DESIGN REVIEW: _____
DESIGNED BY:
JOB NO.:
DATE:
CADD BY:
CONST. REVIEW: _____NO.DATEBYREVISION DESCRIPTIONL:\Broadstreet\Drawings\2018\18.00132 - Lake Craig\Design\Civil\18.00132_PLAN WITH WETLAND.dwg 4/30/2019 1:27 PM RUSSELL COX
FILE NAME:
18.00132_PLAN WITH
WETLAND.dwg 1 INCH = FEETGRAPHIC SCALE20010204060200E N G I N E E R I N G · P L A N N I N G · F I N A N C E
A S S O C I A T E SMcGlil
55 BROAD STREET PH. [phone]ASHEVILLE, NC 28801 FIRM LICENSE # C-0459
LAKE CRAIG SEDIMENT
BUNCOMBE COUNTY, NORTH CAROLINA
CITY OF ASHEVILLEREMOVAL PROJECT
CITY OF ASHEVILLE CONTRACT NO. 91900154 SITE GRADING NOTES1.CONTRACTOR SHALL REPAIR ALL DISTURBEDAREAS TO EQUAL OR BETTER CONDITION THANTHE ORIGINAL SITE, OR AS NOTED.2.SITE GRADING SHALL MEET EXISTING GRADESWITH SMOOTH TRANSITIONS.3.ALL GRADING MUST PRODUCE SURFACEDRAINAGE ADEQUATE TO PREVENT STANDINGWATER AND ENSURE THAT STORMWATER ISDIRECTED AS INTENDED.4.SLOPES SHALL BE 3:1 MAX. UNLESS NOTEDOTHERWISE ON PLANS OR AS NECESSARY TOMATCH AS-BUILT ELEVATIONS.5.ALL DIMENSIONS AND GRADES ON THE PLANSSHALL BE FIELD VERIFIED BY THE CONTRACTORPRIOR TO CONSTRUCTION. CONTRACTOR SHALLNOTIFY THE ENGINEER IF ANY DISCREPANCIESARE DISCOVERED.6.IT IS NOT EXPECTED FOR THE CONTRACTOR TOSTOCKPILE MATERIAL ONSITE FOR MOR THANONE WORK DAY. IF THIS BECOMES NECESSARY,CONTRACTOR SHALL NOTIFY ENGINEER ANDVERIFY PROPER STOCKPILE PROCEDURE ANDASSOCIATED EROSION CONTROL MEASURES.
C-102MDB
18.00132
APRIL, 2019
RLCDRAINAGE AREA MAPSHEET DESIGN REVIEW: _____
DESIGNED BY:
JOB NO.:
DATE:
CADD BY:
CONST. REVIEW: _____NO.DATEBYREVISION DESCRIPTIONL:\Broadstreet\Drawings\2018\18.00132 - Lake Craig\Design\Civil\18.00132_PLAN WITH WETLAND.dwg 4/30/2019 11:45 AM RUSSELL COX
FILE NAME:
18.00132_PLAN WITH
WETLAND.dwg 1 INCH = FEETGRAPHIC SCALE400204080120400E N G I N E E R I N G · P L A N N I N G · F I N A N C E
A S S O C I A T E SMcGlil
55 BROAD STREET PH. [phone]ASHEVILLE, NC 28801 FIRM LICENSE # C-0459
LAKE CRAIG SEDIMENT
BUNCOMBE COUNTY, NORTH CAROLINA
CITY OF ASHEVILLEREMOVAL PROJECT
CITY OF ASHEVILLE CONTRACT NO. 91900154 CONSTRUCTION SEQUENCE FOR EROSION CONTROL MEASURES1.PRIOR TO BEGINNING WORK ON THE PROJECT, THE CONTRACTOR SHALL OBTAIN FROM THE OWNER ANDKEEP AT THE JOB SITE THE FOLLOWING:·A COPY OF THE “EROSION AND SEDIMENT CONTROL APPROVAL” ISSUED BY NCDEQ DEMLR ASHEVILLEREGIONAL OFFICE.·A CERTIFICATE OF COVERAGE ISSUED BY NCDEQ FOR COVERAGE UNDER THE NCG01 CONSTRUCTIONSTORMWATER GENERAL PERMIT, AND A COPY OF THE NCG01 GENERAL PERMIT.THE APPROVAL NOTICES MUST BE AVAILABLE ON-SITE DURING ALL GRADING AND CONSTRUCTIONACTIVITES.2.CONTACT THE DEMLR ASHEVILLE REGIONAL OFFICE AT LEAST 48 HOURS PRIOR TO COMMENCING THELAND-DISTURBING ACTIVITY. THE CONTACT NUMBER IS [phone].3.MAINTAIN A RAIN GAUGE, RECORDS, PERMIT, AND S&E PLAN ON SITE IN ACCORDANCE WITHAPPLICABLE NPDES REQUIREMENTS AND GENERAL STATUTES: NCG01 11B(1), 15A NCAC 04B .0131.4.ATTEND PRECONSTRUCTION MEETING WITH THE ENGINEER PRIOR TO BEGINNING CONSTRUCTION.5.FLAG WORK LIMITS BEFORE CONSTRUCTION ACTIVITY BEGINS.6.THE CONTRACTOR SHALL BE RESPONSIBLE FOR KEEPING ALL RECORDS REQUIRED BY NCDEQ FOR THEINSTALLATION AND MAINTENANCE OF THE SITE EROSION CONTROL.7.CONSTRUCT TEMPORARY CONSTRUCTION ENTRANCE AS SHOWN ON PLAN. ALL CONSTRUCTIONACTIVITY SHALL USE THE TEMPORARY CONSTRUCTION ENTRANCE FOR ENTERING AND EXITING THESITE.8.INSTALL PERIMETER SEDIMENT CONTROL FENCE AS SHOWN ON PLANS. ADDITIONAL SEDIMENT FENCEMAY BE REQUIRED BY THE ENGINEER. SEDIMENT CONTROL FENCE OUTLETS SHALL BE PLACED WITHMINIMUM SPACING OF 100 LINER FEET. ADDITIONAL OUTLETS SHALL BE INSTALLED BY CONTRACTORAT LOW POINTS BASED ON FIELD CONDITIONS. SEDIMENT REMOVAL TO FINISHED GRADE WITHIN THEAREA NECESSARY FOR SEDIMENT FENCE INSTALLATION SHALL TAKE PLACE AS PART OF PERIMETEREROSION CONTROL MEASURE INSTALLATION. CONTRACTOR SHALL NOT DISTURB THE RIVER BANK ATOR BELOW THE WATER SURFACE ELEVATION DURING SEDIMENT CONTROL FENCE INSTALLATION ORANY TIME THROUGHOUT CONSTRUCTION.9.INSTALL GROUND STABILIZATION MATTING (NAG S75BN OR EQUIVALENT) IN THE VICINITY OF THESLOPE DRAIN, AS PART OF PERIMETER EROSION CONTROL MEASURES. SEDIMENT REMOVAL TO FINISHEDGRADE WITHIN THE AREA NECESSARY FOR GROUND STABILIZATION MATTING INSTALLATION SHALLTAKE PLACE AS PART OF EROSION CONTROL MEASURE INSTALLATION10.INSTALL TEMPORARY DIVERSION AND SLOPE DRAIN AS PART OF PERIMETER EROSION CONTROLMEASURES. THE SLOPE DRAIN SHALL DISCHARGE AT A SEDIMENT CONTROL FENCE OUTLET AS SHOWNON THE PLAN. SLOPE DRAIN SHALL BE PLACED ON TOP OF GROUND STABILIZATION MATTING.11.INSTALL REMAINDER OR GROUND STABILIZATION MATTING (NAG S75BN OR EQUIVALENT) SHOWN ONPLAN. SEDIMENT REMOVAL TO FINISHED GRADE WITHIN THE AREA NECESSARY FOR GROUNDSTABILIZATION MATTING INSTALLATION SHALL TAKE PLACE AS PART OF EROSION CONTROL MEASUREINSTALLATION.12.ONCE PERIMETER EROSION CONTROL MEASURE INSTALLATION IS COMPLETE, CONTRACTOR SHALLBEGIN SEDIMENT REMOVAL. SEDIMENT REMOVAL SHALL BE CONDUCTED IN PHASES (1-3). THECONTRACTOR SHALL BEGIN WITH PHASE 1, AT THE EDGE OF THE SLOPE STABILIZATION MATTING ANDWORK ACROSS PHASE 1 TO PHASE 2. PROGRESS SHOULD PROCEED EAST-TO-WEST AND CONTRACTORSHALL MAKE SPECIAL EFFORT TO KEEP EVEN LINE OF PROGRESS NORTH-TO-SOUTH. 50% OF THEGROUND SURFACE WITHIN EACH PHASE MUST HAVE STABILIZATION MEASURES (SEED, MULCH, ETC.)APPLIED OR INSTALLED BEFORE THE CONTRACTOR CAN BEGIN SEDIMENT REMOVAL IN THE NEXTPHASE. CONTRACTOR SHALL VERIFY PERCENT COMPLETION WITH ENGINEER PRIOR TO MOVING INTONEXT PHASE OF SEDIMENT REMOVAL.13.SEED/GRASS AND INSTALL EROSION CONTROL MATTING AS NECESSARY FOR GROUND STABILIZATIONON ALL PERIMETER AND 3:1 (OR GREATER) SLOPES ONCE FINISHED GRADE IS REACHED OR WITHIN 7CALENDAR DAYS AFTER FINAL GRADE IS ACHIEVED.14.GROUNDCOVER THAT IS SUFFICIENT TO RESTRAIN EROSION MUST BE PLACED ON ALL EXPOSED SLOPESGREATER THAN 3:1 AND ALL PERIMETER AREAS (INCLUDING DIKES, SWALES, DITCHES AND SLOPES)WITHIN SEVEN (7) DAYS OF COMPLETION OF ANY PHASE OF GRADING; PLACE PERMANENTGROUNDCOVER FOR ALL OTHER DISTURBED AREAS WITHIN FOURTEEN (14) WORKING DAYS OF FINISHEDGRADE.15.EROSION CONTROL MEASURES SHALL BE MAINTAINED DURING THE ENTIRE LENGTH OF THE PROJECTAND UNTIL SITE IS STABILIZED.16.UPON SITE STABILIZATION, THE CONTRACTOR SHALL NOTIFY THE ENGINEER FOR INSPECTION ANDCO-ORDINATION OF THE REMOVAL OF TEMPORARY EROSION CONTROL MEASURES. ALL AREAS WHEREEROSION CONTROL MEASURES ARE REMOVED SHALL BE WORKED TO FINISH GRADE AND STABILIZED.17.ESTIMATED TIME TO STABILIZE THE SITE IS SIX (6) MONTHS.DA 3DA 2DA 1DA 4
C-501MDB
18.00132
APRIL, 2019
RLCSTANDARD SITE DETAILSSHEET DESIGN REVIEW: _____
DESIGNED BY:
JOB NO.:
DATE:
CADD BY:
CONST. REVIEW: _____NO.DATEBYREVISION DESCRIPTIONL:\Broadstreet\Drawings\2018\18.00132 - Lake Craig\Design\Civil\18.00132_PLAN WITH WETLAND.dwg 4/30/2019 11:45 AM RUSSELL COX
FILE NAME:
18.00132_PLAN WITH
WETLAND.dwg
E N G I N E E R I N G · P L A N N I N G · F I N A N C E
A S S O C I A T E SMcGlil
55 BROAD STREET PH. [phone]ASHEVILLE, NC 28801 FIRM LICENSE # C-0459
LAKE CRAIG SEDIMENT
BUNCOMBE COUNTY, NORTH CAROLINA
CITY OF ASHEVILLEREMOVAL PROJECT
CITY OF ASHEVILLE CONTRACT NO. 91900154 SILT FENCEEC1UPDATED MARCH, 2017NOT TO SCALETEMPORARY CONSTRUCTION ENTRANCEEC24UPDATED MARCH, 2017NOT TO SCALESILT FENCE - OUTLETEC2UPDATED MARCH, 2017NOT TO SCALEMAINTENANCE PLANEC45UPDATED MARCH, 2017TEMPORARY DIVERSION DITCHEC4UPDATED MARCH, 2017NOT TO SCALETEMPORARY SLOPE DRAINEC12UPDATED MARCH, 2017NOT TO SCALESLOPE MATTING INSTALLATIONUPDATED MARCH, 2017EC11NOT TO SCALE