HomeMy WebLinkAboutSW1160502_HISTORICAL FILE_20160613STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW �C�D
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
i iISTORICAL FILE
❑( COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD
E-2 LANDSCAPE ARCHITECTURE / LETTER OF TRANSMITTAL
To: Mike Randall, Stormwater Permitting Program
From: Fred Groean. E-2 Landscape Architecture
Date: 5/25/2016
Project: WNC Ag. Center Parking
Copies
Date
Description
2
5/24/2016
WNC AG Center Parking Stormwater Plans
2 (One original)
5/25/2016
Stormwater Management Permit Application Form
2 (One original)
5/25/2016
Stormwater Wetland Operation and Maintenance
Agreement
2 (One original)
5/25/2016
Stormwater Technical Report (Narrative/Calculations)
2
5/25/2016
Deed
2
5/25/2016
Supplemental Form -Wetland Supplement
2
5/25/2016
USGS Property Map
2
5/25/2016
NC Surface Water Classification Map
1
5/25/2016
. Permit Application Processing Fee
Items Being Sent:
❑ For Your Comments
❑ For Your Approval
❑ Please Advise
❑ For Your Information
❑ Per Your Request
❑ Per our Conversation
❑ Please call
Received
JUN 13 2016
Land Quality Section
Asheville
N011039 ,gll"b CNb1
9101 9 9 AVW
03AI3038
Comments: Please find the enclosed information and submittals.
"CONFIDENTIALITY NOTICE"
_ Thistransmittal isintended onlyfortheuse ofthe individual orentitytowhich itisaddressed and may contain privileged information and confidential
information. If the reader of this message is not the intended recipient, you are hereby notified that any disclosure, distribution, or copying of this
information is strictly prohibited. If you have received this transmission in error please notify us immediately and return the documents to us via U.S.
Postal Service.
37 Haywood Street, Suite 100 Asheville NC 28801 828.253.6856
a Page f of 4
1
1
Received
Land Quality section
Asheville
n ECEIVE®
MAY 2 6 2019
ea 19 0 1 PC 6 4 9 LAND OW41TY 49-OTION
rCC(c.�T CDCf'
'96 APR 18 P4:08
Eadm i.. I RKONIns l ., Book end Page
Tax Lot No . ..... ........... _.................... _.................. _........................ Parcel Identifier No. .._.......... ........ ....... ....... ... ..................
..... .......
Verified by ............. ........... ..,...__. Gnarly an the ... ..... ....... day of ......... ....... ......... ...... ... ..... . IB.........— .
by...... ......................... .. ......_. ....... `.._.
Mail after recording to ......___........Wi IlAam.. F....Slawter.—City.. Attorney.,..Ci.ty..Attorney's-Office...................
............. ...._...._.... .......,......_.Post..Offi ca. Box_7148...Ashevi.I ]a ..North. Carol.tna.28802-7148...._....__.....
This instrument was prepared by .__ Wi111 am. F._.SI awter _ .. ................ ......_....,_. ..,,..... _. .__...
Brief description fur the Index
8.2 Acres on Fanning Brid a Road
NORTH
pCAROLIN-�A GENERAL WARRANTY DEED
THIS DEED made this .. /p .. duY of .._.. /....�.�:._/............-.....-_-_-... • 19�_ by and between
GRANTOR GRANTEE
CITY OF ASHEVILLE, a North Carolina THE STATE OF NORTH CAROLINA
municipal corporation c/o Joseph H. Henderson
State Property Office
116 W. Jones Street
Raleigh, North Carolina 27603-8003
E.ter m ..pra,rbov mask far tech part,:..aw..ad..... ..u, a sapmpri.ra, m.rnalrr of omen .... r."o.o.. er partandus.
The designation Grantor and Grantee as used herein shell include said parties, their heirs, rcc.ssora, and assigns, and
shall include singular, plural, masculine, feminine or neuter as required by context.
WITNESSETH, that the Granta, for a valuable consideration paid by the Grantee, the receipt of which is hereby
acknowledged, has and by these presents does grunt. bargain, sell and convey unto the Grantee in fee simple, all that
certain lot or parcel of land situated in the city of ...........Asheville ..... ... ......... • .... ._..... ............ ..... .. Township,
.... BVn COMbe_.....,. ..... ..,.,,.,. Cotmty. North Carolina and more particularly described as fallmra:
' See attached Exhibit "A"
Book: 1901 Page:649 Seq: 1
un. Primal by CamerBarw Printers, Ina.
41'age 2 o; 4
EXHIBIT A
BEGINNING at an iron pin which is located South 21 degrees 36
minutes 41 seconds West 612.69 feet (Ground) and South 23 degrees
38 minutes 51 seconds West 612.53 feet (Grid) from NCGS Monument
"Rest" (NC Grid Coordinates (NAD 63) N191587.805m and
E289213.047m, and runs thence from said Beginning point on a
curve to the right having a radius of 663.94 feet, a chord
bearing of South 59 degrees 23 minutes 33 seconds West 413.45
feet and an arc length of 420.44 feet to an iron pin; thence
South 79 degrees 32 minutes 36 seconds West 342.65 feet to an
iron pin; thence on a curve to the left having a radius of
5,839.58 feet, a chord bearing of South 80 degrees 15 minutes 48
seconds West 386.20 feet and an arc length of 386.27 feet to an
iron pin; thence North 64 degrees 21 minutes 42 seconds West,
crossing an iron pin at 52 feet, a total distance of 182.47 feet
to a right of way monument, said right of way monument being
located North 30 degrees 44 minutes 38 seconds West 216.86 feet
from a County Line monument; thence North 02 degrees 48 minutes
04 seconds West, crossing an iron pin at 182.64 feet, a total
distance of 445.09 feet to an iron pin; thence North 25 degrees
31 minutes 19 seconds West 89.43 feet to an iron pin located in
the eastern margin of the 100' right of way of Airport Road;
thence with the eastern margin of said right of way, North 03
degrees 07 minutes 12 seconds West 63.53 feet to an iron pin;
thence North 86 degrees 52 minutes 48 seconds East 300 feet to an
iron pin; thence South 03 degrees 07 minutes 12 seconds East 400
feet to an iron pin; thence North 86 degrees 52 minutes 48
seconds East 981.81 feet to the point and place of Beginning,
containing 8.31 acres, more or less, and being shown on a survey
dated November 17, 1995, last revised December 1, 1995, entitled
"Survey of Addition to WNC Agricultural Center," prepared by
Hutchison -Biggs & Associates, Inc. (B95-885)
Being part of the property conveyed to the City of Asheville by.
Deed dated April 4, 1958 from City Loans, Incorporated, and
recorded in Deed Book 366 at page 607, Henderson County Registry.
This conveyance is subject to the following rest7tictions, which
shall be perpetual, unless sooner released by the Federal
Aviation Administration:
1. Grantor reserves unto itself, its successors and assigns,
for the use and benefit of the public, a right of flight Eor
the passage of aircraft in the airspace above the surface of
the real property hereinbefore described, together with the
right to cause in said airspace such noise as may be
inherent in the operation of aircraft, now known or .
hereafter used, for navigation of or flight in the said
airspace for landing on, taking off from, or operating on
the Asheville Regional Airport.
Book:1901 Page:649 Seq:2
'Page 3 of
ex 1 9 0 1 Pc 6 5 1
(ATTACHMENT)
2. The Grantee expressly agrees for itself, its successors and
assigns to restrict the height of structures, objects of
natural growth and other obstructions on the hereinbefore
described real property to a height not to exceed the
imaginary surfaces in Federal Aviation Regulation Part 77,
"Objects Affecting Navigable Airspace."
3. The Grantee expressly agrees for itself, its successors, and
assigns to prevent any use of the hereinbefore described
real property which would interfere with landing or taking
off of aircraft at the Asheville Regional Airport or
otherwise constitute an airport hazard.
4. The Grantor retains and reserves necessary interests and
rights to ensure that the land will only be used for
purposes which are compatible with the noise levels
generated by the airport.
5. No structures of any kind shall be built upon and no
congregation of people shall at any time be allowed upon the
following described portion of said property:
BEGINNING at the right of way monument
located at the southwestern corner of that'
8.31 acre tract described hereinbefore and
thence from said Beginning point North 02
degrees 48 minutes 04 seconds west 182.64
feet; thence South 27 degrees 54 minutes 49
seconds East 270.33 feet; thence North 64
degrees 21 minutes 42 seconds West 130.47
feet to the point and place of Beginning.
Book:1901 Page:649 Seq:3
*Page 4.14
�c 1901rc652
The property hercinabove described was acquired by Grantor by instrument recorded in
A map showing the above described property Ia recorded in Plat Book .......... ..- ..................... page
TO HAVE AND TO HOLD the aforesaid lot or parcel of land and all privileges and appurtenances thereto belonging to
the Grantee in fee simple.
And the Grantor covenants with the Grantee, that Grantor is seized of the premises in fee simple, has the right to convey
the same in fee simple, that title is marketable and free and clear of all encumbrances, and that Grantor will warrant and
defend the title against the lawful claims of all persona whomsoever except for the exceptions hereinafter stated.
Title to the property hereinabove described is subject W the following exceptions:
ON wrtNLee w ...Y. la 1 an a.... ea. ur u p cart. n t R.
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VsERhattA NORTH CAROLINA. -. Buncombe . -. c... tI.
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same .emn Is. tab a.> ana .exn.wueeee wn 5 n.0 .. %gtp%tr)aynl
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.'`%j•1: �� Y �- '_ !% a one .. me nt .1 ,ne rem.mun, u. rn.erme mnnmem .,. vanes m W n.me .r lu Mayor
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Book:1901 Page:649 Seq:4
Printed by ComerSmnn Prinlen, Inc.
STORMWATER TECHNICAL REPORT
for conveyance and treatment measures
associated with a proposed parking area at the WNC Agricultural Center
No. 39870
Prepared by
Robinson Design Engineers
E2 Landscape Architecture
Asheville, NC
May 23, 2016
MAY 2 6 1015
L41'0 QUALIry r;j671®N
Received
JUN 13 2016
Land Quality Section
Asheville
ROBINSON DESIGN ENGINEERSSM
Land.Water. Ecology.
STORMWATER TECHNICAL REPORT
-----TABLE OF CONTENTS
1. EXECUTIVE SUMMARY 4
2. EXISTING SITE ASSESSMENT 4
3. PROPOSED DESIGN CONCEPT 5
4. DESIGN STANDARDS 6
APPENDICES 8
------LIST OF APPENDICES
SUMMARY OF MODEL VARIABLES
POND TABLES (ELEVATION — AREA — VOLUME)
HYDROGRAPHS
CONDUIT FLOW CAPACITY
HYDROLOGIC SOIL GROUPS
NOAA PRECIPITATION FREQUENCY DATA
SOIL INVESTIGATION LOG SHEETS
Rabbit Patch — WNC Ag Center / May 23, 2016
Page 3
Rabbit Patch — W NC Ag Center / May 23, 2016
1 Executive Summary
The WNC Agricultural Center (Ag Center) is located on NC Hwy 280, between Interstate 26 and the French Broad River.
The Ag Center is proposing a new parking area on their parcel. Based on correspondence with Mike Randall (NCDEQ,
DEMLR) the stormwater must be treated in accordance with the rules for high density development (15A NCAC
02H.1000).
2 Existing Site Assessment
2.1 Topography
The site is relatively flat at the location of the proposed stormwater wetland. Further up the site, the grades
become gradually steeper, ranging from 2% to 8 % . There is approximately 25 vertical -feet of total elevation
change (elevation 2084'to elevation 2059') across the proposed parking area; the high point lies in the north-
eastern portion of the site, and the low point is to the south-east. Existing drainage patterns discharge
primarily to the south-eastern portion of the site.
2.2 Soils
The soils at the site are classified within hydrologic group C:
Group C — meaning they have a slow infiltration rate when thoroughly wet. These consist chiefly of soils
having a layer that impedes the downward movement of water or soils of moderately fine texture or fine
texture. These soils have a slow rate of water transmission (0.05 — 0.15 in/hr). Sandy clay loam is a typical
soil texture classification for this group.
This information was taken from the USDA-NRCS SCS method, 1986. A Hydrologic Soil Group map is
attached in the appendix.
2.3 Land Cover
The existing cover consist of woods, light underbrush, and meadow. This portion of the Ag Center was
historically used as testing grounds for hunting dogs, and the cover still resembles this use: a gridded system
of shrubs and short grasses. The Curve Number for the existing conditions is set at 73, and can be described
as woods that are grazed but not burned, with some forest litter covering the soil (Urban Hydrology for Small
Watersheds TR-55).
2.4 Flow Path
The most hydrologically remote point is within drainage area #2 (identified on the stormwater plans as DA# 2).
From the north-eastern corner of this drainage area to the south-eastern corner consists of 200 LF of sheet
flow across woods with light underbrush, then 150 LF of shallow concentrated flow across grass. The time of
concentration for the existing site is set at 30 minutes in the model.
2.5 Groundwater
A soil investigation and site evaluation log is provided as an appendix. This data reveals two areas of high
ground water. Both of these measurements were taken in the vicinity of the proposed stormwater wetland.
According to the log sheet, and the available topography, the water table appears to be at elevation 2061 to
the south of the proposed parking area. The proposed stormwater wetland was designed around this
information, allowing the wetland to function without augmenting with impermeable clay layers.
Page 4
Rabbit Patch — WNC Ag Center / May 23, 2016
2.6 Streams and Wetlands
There has been no indication as to the presence of waters of the US at the site.
2.7 Precipitation
Precipitation values were obtained from the NOAA point precipitation frequency server and are shown in the
table below:
Storm
Depth
Intensity
1 yr, 24hr
2.95 in
0.123 in/hr
10yr, 24hr
5.00 in
0.208 in/hr
25yr. 24hr
5.90 in
0.246 in/hr
3 Proposed Design Concept
Stormwater management is any vegetative, structural or managerial practice used to treat, prevent, or reduce the volume
of runoff water that impacts surface or groundwater. Runoff water is rain water, snow melt or irrigation which does not
infiltrate into the ground and runs over or off the land, picking up soil particles and other pollutants as it travels and
carrying them to the storm drain system. At this site, once the stormwater exits the drainage system, it then enters
Kimsey Creek, a small class-C tributary of Cane Creek, and eventually flows to the French Broad River. This section
describes the existing conditions and features of the site, the conceptual drainage plan, and stormwater drainage
calculations.
3.1 Proposed Use and Materials
The proposed treatment device is a stormwater wetland. Stormwater wetlands are constructed systems that
mimic the functions of natural wetlands and use physical, chemical, and biological processes to treat
stormwater pollution. Wetlands are effective sedimentation devices and provide conditions that facilitate the
chemical and biological processes that cleanse water. Pollutants are taken up and transformed by plants and
microbes, immobilized in sediment, and released in reduced concentrations in the wetland's outflow.
The water levels within the stormwater wetland will be controlled by a reinforced concrete outlet device. The
outlet device will have low -flow orifices and a high -flow, weir, along with a drawdown mechanism for regular
maintenance.
3.2 Proposed Drainage Plan
The proposed treatment device (stormwater wetland) accepts flow from 2 different locations. The primary
inflow, on the western side of the device, makes up 90% of the contributing drainage area.
3.2.1 Erosion Control
The erosion control plan, including diversion swales, are designed by others.
3.2.2 Off -site Runoff
The grading and erosion control plans have been designed so that all off -site runoff is directed away
from the parking area and stormwater treatment areas.
3.2.3 Flow Path
The most hydrologically remote point is within drainage area #2 (identified on the stormwater plans as
DA# 2). From the north-eastern corner of this drainage area to the sediment clean -out consists of 300
Page 5
Rabbit Patch - W NC Ag Center / May 23, 2016
LF of sheet flow across a gravel parking area; then 100 LF of shallow concentrated flow.
3.2.4 Stormwater Conduit
All stormwater conduit is specified as 18' RCP with a minimum slope of 3%. This conduit has a
maximum flow of 20cfs and can accommodate the 25yr, 24hr storm event at all locations throughout
the site.
3.3 Sediment Management
We have estimated the erosive potential of the proposed parking area with the universal soil loss equation
(USLE). The USLE is an empirically derived equation that predicts the long-term average annual rate of
erosion on a slope based on rainfall pattern, soil type, topography, land use, and management practices. The
Ag Center can expect to lose approximately 1,000 cubic feet of sediment from the proposed parking area
each year. This amount of sediment will be managed through the pre-treatment devices: 2 sediment clean -
outs, and 1 grassed swail. These pre-treatment devices can accommodate approximately 2,600 cf of
sediment.
3.4 Model Input Parameters
Hydrologic modeling software HEC-HMS was used to perform rainfall -runoff pond routing calculations. An
electronic copy of this model can be provided at your request. A summary of modeling variables are shown in
the appendices.
3.4.1 Hydrologic Soil Group
The underlying hydrologic soil group before and after construction is wholly within Class C.
3.4.2 Curve Number
The CN value for the proposed site is 89, found on table 3-5 of the NCBMP manual. This is the value
for impervious, gravel in urban areas as defined in the SCS method (SCS, 1986)
3.4.3 Time of Concentration
A conservative minimum time of concentration of 5 minutes was used for the model. The most
hydrologically remote point is within drainage area #2 (DA# 2 as seen on the stormwater plans).
4 Design Standards
The stormwater control measures must meet the following design standards for high density projects (NCAC 02H .1008):
• Draw down the treatment volume no faster than 48 hours, but no slower than 120 hours.
• Discharge the storage volume at a rate equal to or less than the predevelopment discharge rate for the one-year,
24-hour storm.
Remove an 85 percent average annual amount of Total Suspended Solids.
Meet the General Engineering Design Criteria.
4.1 Draw Down Time
The treatment volume was calculated using the Simple Method, as outlined in the NCBMP Manual. This
methodology yields 9,365 cf, when using values of I, = 0.9, RD = 1 ", Rv = 0.86, and a total drainage area of 3
acres.
Page 6
Rabbit Patch — WNC Ag Center / May 23, 2016
The low -flow mechanism consist of two- 1.5" diameter orifices. While the treatment volume is being detained,
the maximum outflow rate is approximately 0.11 cfs and requires approximately 64 hrs to deplete back to the
permanent pool elevation.
4.2 Peak Flow Attenuation
The peak flows for the various models are shown in the table below. These values are for the 1 yr, 24hr storm
event.
Basin Drainage Area Peak Discharge
Existing 3.0 acres 1.4 cfs
Proposed 3.0 acres 7.4 cfs
Proposed+Pond 3.5 acres 1.3 cfs
Additional calculations and the hydrographs associated with these simulations can be found in the appendix.
4.3 Pollutant Removal
The stormwater wetland was designed in accordance with the NCBMP manual, and it will meet or exceed all
of the standards listed in the "Major Design Elements" section.
A stormwater wetland that incorporates all of the Major Design Elements is given regulatory credit for
pollutant removal at the following rates:
85% Total Suspended Solids,
40%Total Nitrogen,
35 % Total Phosphorus.
4.4 General Engineering Design Criteria
As evidenced by the Stormwater Plan and Details, this design meets all of the design criteria listed in NCAC
02H .1008.
END OF NARRATIVE
Page 7
SUMMARY OF MODEL VARIABLES
Basin: Basin 1
Last Modified Date: 21 May 2016
Last Modified Time: 17.33:43
Version: 4.1
Fllepath Separator:
Unit System: English
Missing Flow To Zero: No
Enable Flaw Ratio: No
Compute Local Flow At Junctions: No
Enable Sediment Routing: No
Enable Quality Routing: No
End:
Subbasm: Existing Basin
Last Modified Date: 20 May 2016
Last Modified Time: 19:50:07
Canvas X: 1561.338289962825
Canvas Y: 3178.438661710037
From Canvas X: 3091.1680911680915
From Canvas Y:-1039.8860398860397
Area: 0.0046875
Canopy: None
Plant Uptake Method: None
Surface: None
LossRate: SCS
Percent Impervious Area: 0.0
Curve Number: 73
Transform: SCS
Lay: 30
Unitgraph Type: STANDARD
Baseflow: Recession
Recession Factor 1
Initial Baseflow:0
Threshold Flow
End:
Subbasin: Proposed Basin
Last Modified Date: 19 May 2016
Last Modified Time. 19:55:28
Canvas X: 4665.242165242165
Canvas Y: 3390.3133903133903
Area: 0.0046875
Downstream: WETLAND
Canopy: None
Plant Uptake Method: None
Surface: None
LossRate: SCS
Percent Impervious Area: 0.0
Curve Number: 89
Transform: SCS
Lag: 5
Unitgraph Type: STANDARD
Baseflow: Recession
Recession Factor: 1
Initial Baseflow:0
Threshold Flow
End:
Subbasin: wetland area
Last Modified Date: 21 May 2016
Last Modified Time: 17:42:33
Canvas X:-6955,40308747856
Canvas Y:-385,9348198970847
Area: 0.0007
Downstream: WETLAND
Canopy: None
Plant Uptake Method: None
Surface: None
LossRate: SCS
Percent Impervious Area: 0.0
Rabbit Patch — WNC Ag Center / May 23, 2016
Page 9
Curve Number: 90
Transform: SCS
Lag:1
Unitgraph Type: STANDARD
Baseflow: Recession
Recession Facloc 1
Initial Baseflow:0
Threshold Flow to Peak Ratio: 0
End:
Reservoir: WETLAND
Last Modified Date: 21 May 2016
Last Modified Time. 17:43:02
Canvas %:-5315.985130111525
Canvas Y: 613.3828996282527
Route: Controlled Outflow
Roofingg Curve: Elevation -Area
Initial ROOM
Equals Inflow: Yes
Elevation -Area Table: Table 1
Adaptive Control: On
Main Tailwater Condition: None
Auxiliary Tailwater Condition: None
Conduit: Orifice
Conduit Outlet: Main
Orifice Coefficient: 0.6
Orifice Area: 0.012272
Centerline Elevation: 2060.5
Number Barrels: 2
End Conduit:
Spillway: Broad -Crested Spillway
Spillway Outlet: Main
Spillway Crest Length: 12
Spillway Crest Elevation: 2061.4
Spillway Coefficient: 3,0
End Spillway:
Evaporation Method: Zero Evaporation
End Evaporation:
End:
Basin Schematic Properties:
Last View 15000,0
Last View S:-5000.0
Last View W: -50000
Last View E: 5000.0
Maximum View N: 5000.0
Maximum View S:-5000.0
Maximum View W:-5000.0
Maximum View 15000.0
Extent Method: Elements
Buffer: 0
Draw loons: Yes
Draw Icon Labels: Name
Draw Map Objects: No
Draw Gridlines: No
Draw Flow Direction: No
Fix Element Locations: No
Fix Hydrologic Order: No
End:
Meteorology: Met 1
Last Modified Date: 19 May 2016
Last Modified Time: 19:43.59
Version: 4.1
Unit System: English
Set Missing Data to Default: No
Precipitation Method: SCS Storm
Short -Wave Radiation Method None
Long -Wave Radiation Method None
Snowmelt Method: None
Evapotranspiration Method: No Evapotranspiration
Use Basin Model: Basin 1
End:
Precip Method Parameters: SCS Storm
Last Modified Date: 21 May 2016
Last Modified Time: 14:03.05
Storm Depth: 2.95
Storm Type: Type II
End:
Subbasin: Proposed Basin
Last Modified Date: 19 May 2016
Rabbit Patch — WNC Ag Center / May 23, 2016
Page 10
Last Modified Time: 19:43:59
Vapor Pressure Type: Relative Humidity
End:
Subbasin: Existing Basin
Last Modified Date: 19 May 2016
Last Modified Time: 19:43:59
Vapor Pressure Type: Relative Humidity
End:
Subbasin: wetland area
Last Modified Date: 21 May 2016
Last Modified Time: 17:36:53
Vapor Pressure Type: Relative Humidity
End:
Rabbit Patch — W NC Ag Center / May 23, 2016
Page 11
POND STORAGE TABLE
Elevation
Storage Area
Storage Area
Storage Volume
ft
sf
acre
cf
2060.5
13,900
0.00000
0
2061.0
17,200
0.39486
8,600
2061.5
21,140
0.48531
19,170
2062.0
22,790
0.52319
30,565
2062.5
26,133
0.59993
43,632
POND STORAGE
30,000
45,000
40,000
25,000 , --
— -- ---- —
—
35,000
20,000
30,000
25,000
15,000 - -
--- — -- -- ----
r 20,000
i
10,000 - -- —
— -- -- --
— 15,000
10,000
5,000
+ Storage Area
L 5,000
— Cumulative Storage Volume._
0
2060.0 2060.5
2061.0 2061.5 2062.0 2062.5
2063.0
ELEVATION
Subbasln "Existing Basin" Results for Run "Run 1"
0.00
0.05
O10
2
0.15
s
v 020
o
I
0.25
0.30
0.35
14
12
1.0
0.8
N
U
GS 0.6
LL
I
DA
02
0.0
00.00 12:00 0000 1200'.0000
01Jan2000 I 02Jan2000 I 03Jan2000
Legend (Compute Timme: 23MeY71116, u:ot:oo)
Run: Run 1 Element: Existing Basin Result: Precipitation Run Run 1 Element'. Existing Basin Result Precipitation loss Run'. Run 1 Element. Existing Basin Result. Outflow
--- Run:Run 1 Element: Existing Basin Result:Basellow
1 yr. 24hr storm event
Graph for Subbasin "Proposed Basin'
Subbasln "Proposed Basin" Results for Run "Run 1"
0.00
0.05
0.10
C
0.15
- -�i
w 0.20
0.25
�
0.30
I
----- ----
0.35
B
7
i
6
5
N
`u 4
I
?:
O
I
M 3
2
I
'—
0
00:00 12:00 00:00 12:00 00:00
D1Jan2000 I 02Jan2000 03Jan2000
d (ca"pute rime: 37My2Dt6, 21:01:00)
Run:Run 1 Element:Proposed Basin Result:Precipitation Run:Run 1 Element Proposed Basin Result:Precipitation Loss Run: Run 1 Element: Proposed Basin Resuh:0utflow
--- Run:Run 1 Element:Proposed Basin Resuh:Baseflow
1yr, 24hr storm event
IN Cuaph for Reservoir -WETIANIY—"
0.30
0.25
LL 0.20
U
a
m 0.15
m
0.10
0
0
I 01Jan2000
Legend (Compute Tme: 2-Way2016, 1L•01:00)
----- Run: Runt Element:WETLAND Result:Storage
--- Run. Run 1 Element: WETLAND Result: Combined Inflow
Reservoir "WETLAND" Results for Run "Run 1"
2,061,60
2,061 40
2,061.20
2,061.00
tTi
-- 2,UbU.t1U
2,060.60
2.060 40
02Jan2000 I 03Jan2000
Run: Run 1 Element:VYETLAND Result:Pool Elevation Run: Run 1 Element WETLAND Result Outflow
1 yr, 24hr storm event
e
b
w
- .-. - ::—i..•. �:i�.a`aT- �.... w. •-... -.. c, v:.- --x��.=: �n cv...+,e.-iFF:.i a�r�R°'"„u��m-.iti'�—'l�"-.-u.�'9s:}'ia'nFlliFa"'.Yv!Yii+aFaiYiA\=?ll'.- '`.'R#�!,94�?iA�'Y�'�
WETLAND
0000 1200 00:00 12:00 00:00
01Jan2000 I 02Jan2000 I 03Jan2000
LeQKW -DATA CHANGED, RECOM E
Run:Run 1 Element: WETLAND Result: Pool Elevation
1yr, 24hr storm event
0.10
420.06
u_
M
0000 12:00
I O1Jan2000
Lid - DATA OWE®, REOODPUfE
— Run:Run 1 Element: WETLAND-OUTLET-1 Result:0utlet 1
1yr, 24hr storm event
12:00 00:00
02Jan2000
03Jan2000
WETLAND
L2
1.0
0.8
0.6
0
tl
0.4
—'
0.2
--
0.0
0000 1200 00:00 12:00 00:00
01Jan2000 02Jan2000 03Jan2000
Legend -DATA OW4M), RECOWUTE
— Run:Run 1 Element: WETLAND-SPILL-1 Result:Spilhaay 1
1yr, 24hr storm event
k'I Graph Results
4-
112
10
0.8
u
3
0
u_ 0.6
04
02
0.0 i
00 00
Legend - DATA CHANta), RECa%PUtE
1200
01Jan2000
Run Run 1 Element WETLAND Result. Outflow
0000
tyr. 24hr storm event
1200 00.00
02Jan2000
03Jan2000
OUTLET PIPE
Set units: m mm ft inches
Pipe diameter, do 1.5 ft
Manning roughness, n ? .011
Pressure slope (possibly ? equal to pipe slope), So .03 rise/run
Percent of (or ratio to) full depth (100% or 1 if flowing full) 75 %
Results
Flow, q
19.60591
cfs
Velocity, v
13.7909
tt/s,
Velocity head, h
2.9559
ft
Flow area
1.4217
fr2
—Wetted
perimeter
3.1416
it
Hydraulic radius
0.4525
it
®
op width, T
1.2990
it
Froude number, F
.32
Shear stress (tractive force), tau
.1073
1 psf
a^1s WN
E^ 25L'N
s Hydrologic Soil Group --Buncombe County, North Carolina, and Henderson County, North Carolina 3
x B
360a30 3fi0960 300330 361@0 361050 MIUM
s
� owsae:l:1,SOOrpYvdonAlluaat(9.5:13'�4e�
_ Mimes
N 0 20 40 eD 120
A r
0 50 100 200 300
N� P�0learm. NCb Meng Cariu moidYaNs: WG5e4 E>i9e tl5:11t1A Zone SIN WTTv84
usun Natural Resources Web Soil Survey
i� Conservation Service National Cooperative Soil Survey
a x' 31 N
8
8
R
8
S
K
R
8
R
0
xvrN
361110 361190
a
g
2l24t2016
Page 1 of
Hydrologic Soil Group —Buncombe County. North Carolina, and Henderson County. North Carolina
MAP LEGEND
Fill ��l�k��OrALT— OUl
Area of Interest (A00
13 C
The soil surveys that comprise your AOI were mapped at scales
Area of Interest (AOII
CID
ranging from 1:12,000 to 1:20,000.
soils
■ 0
Warning: Soil Map may not be valid at this scale.
Soil Rating
0
Polygons
A
Not rated or not available
Enlargement of maps beyond the scale of mapping can cause
misunderstanding of the detail of mapping and accuracy of soil line
0
aD
water Features
placement. The maps do not show the small areas of contrasting
Streams and Canals
soils that could have been shown at a more detailed scale.
o
B
BID
Transportation
Please rely on the bar style on each map sheet for map
,.,., Rafls
measurements
O
C.
Interstate Highways
Source of Map: Natural Resources Conservation Service
CID
uS Routes
Web Soil Survey URL. http://websoilsurvey.nres.usda.gov
D
Coordinate System: Web Mercator (EPSG:3857)
Major Roads
Not rated or not available
Local Roads
Maps from the Web Soil Survey are based on the Web Mercator
projection, which preserves direction and shape but distorts
Soil Rating
Lines
Background
distance and area. A projection that preserves area, such as the
A
Aerial Photography
Albers equal-area conic projection, should be used A more accurate
..i
AID
calculations of distance or area are required.
B
This product is generated from the USDA-NRCS certified data as of
ti
the version cartels) listed below.
i✓
BID
Soil Survey Area: Buncombe County, North Carolina
.v
C
Survey Area Data: Version 12, Sep 29, 2015
.v
CID
Soil Survey Area: Henderson County, North Carolina
ti
D
Survey Area Data: Version 15, Sep 15, 2015
..
Not rated or not available
Your area of interest (AOI) includes more than one soil survey area.
These survey areas may have been mapped at different scales, with
Soil Rating Points
a different land use in mind. at different times, or at different levels
■
A
of detail. This may result in map unit symbols, soil properties, and
interpretations that do not completely agree across soil survey area
■
A/D
boundaries.
■
B
Soil map units are labeled (as space allows) for map scales 1:50,000
■
B/D
or larger.
Date(s) aerial images were photographed: Oct 15, 2011—Dec 9.
2011
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
i su.\ Natural Resources Web Soil Survey 2/24/2016
Conservation Service National Cooperative Soil Survey Page 2 of 4
Hydrologic Soil Group —Buncombe County, North Carolina, and Henderson County, North
Carolina
Hydrologic Soil Group
Hydrologic Soil Group —Summary by Map Unit — Buncombe County, North Carolina (NCO21)
Map unit symbol
Map unit name
Rating
Acres In AOI
Percent of AOI
Ud
Udorthents, loamy C
5.0
80.2%
UhE
Udorthents-Urban land
A
0.1
1.9%
complex, 2 to 50
percent slopes
Urt lend —
'
1.0
15.9%
Lb(
Subtotals for Soil Survey Area -
_
6.1
Totals for Area of Interest
6.3
100.0%j,
Hydrologic Soil Group —Summary by Map Unit — Henderson County, North Carolina (NC089)
Map unit symbol
Map unitname
I Rating
Acres in AOI
Percent of AOI
BaB Bradson gravelly loam. 2 B
0.1
1.0%
to 7 percent slopes
BaC Bradson gravelly loam, 7
B
0.0
0 a %
to 15 percent slopes
DeA Delano (dillard) loam, 0
C
0.01
0.6%
to 2 percent slopes
Subtotals for Soil Survey Area
0.1
2.0 %
Totals for Area of Interest
6.3.
100.0%
usDA Natural Resources Web Soil Survey 224/2016
Conservation Service National Cooperative Soil Survey Page 3 of 4
Hydrologic Soil Group —Buncombe County, North Carolina, and Henderson County. North
Carolina
Description
Hydrologic soil groups are based on estimates of runoff potential. Soils are
assigned to one of four groups according to the rate of water infiltration when the
soils are not protected by vegetation, are thoroughly wet, and receive precipitation
from long -duration stones.
The soils in the United States are assigned to four groups (A, B, C, and D) and
three dual classes (A/D, B/D, and C/D). The groups are defined as follows:
Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly
wet. These consist mainly of deep, well drained to excessively drained sands or
gravelly sands. These soils have a high rate of water transmission.
Group B. Soils having a moderate infiltration rate when thoroughly wet. These
consist chiefly of moderately deep or deep, moderately well drained or well drained
soils that have moderately fine texture to moderately coarse texture. These soils
have a moderate rate of water transmission.
Group C. Soils having a slow infiltration rate when thoroughly wet. These consist
chiefly of soils having a layer that impedes the downward movement of water or
soils of moderately fine texture or fine texture. These soils have a slow rate of water
transmission.
Group D. Soils having a very slow infiltration rate (high runoff potential) when
thoroughly wet. These consist chiefly of clays that have a high shrink -swell
potential, soils that have a high water table, soils that have a claypan or clay layer
at or near the surface, and soils that are shallow over nearly impervious material.
These soils have a very slow rate of water transmission.
If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is
for drained areas and the second is for undrained areas. Only the soils that in their
natural condition are in group D are assigned to dual classes.
Rating Options
Aggregation Method: Dominant Condition
Component Percent Cutoff: None Specified
Tie -break Rule: Higher
U517w Natural Resources Web Soil Survey 2/2412016
Conservation Service National Cooperative Soil Survey Page of
5/19/?n1h
Precipitation Frequency Data Server
Non n Atlame: let Volume t Version 3
Location name: Fletcher, North Carolina,
Latitude: 35.4151°, Longitude:-82.5266' {f
Elevation: 2046 ft'
source Google Maps„
POINT PRECIPITATION FREQUENCY ESTIMATES
G.M Bonnin. D Martin. B Lin, T Parrybok, M Yekla. and D Riley
NOM. National Weather Service, SINer Spring, Maryland
PF tabular I PF graphical I Maps 8 aerials
PF tabular
PDS-based point precipitation frequency estimates with 90% confidence intervals (in inches
Average
recurrence Interval
n��00
Du;;Z
���
1
2
6
��
10
26
0
80
�
100
200
600
1000
0.367
0.437
0.52J
0.690
0.676
0.741
0.806
0.872
OA58
1.03
6-fnin
(0.331-0.408)
(0.3940.485)
(0.472-0.582)
(0.530-0.653)
(0.602-0.747)
(0.657.0.819)
(0.712-0.894)
(0.765.0.969)
(0.830-1.07)
(0.1180-1.16)
0.588
one
0.943
1.08
7.16
1.26
1.J9
1.61
1.82
10-min
(0.528-0,652)
(0,83(.0.776)
(0.755-0.931)
(0.647-1.04)
(0.959-1.19)
1 (1,05-1.30)
1 (IA3-1.42)
1 (1.21-1.54)
(1.31-1.69)
(1.39-1.82)
0.732
0.878
1.08
1.19
1.38
1.49
1.82
1.76
1.91
2.03
16-min
(0.e60.0.815)
(0.792-0.975)
(0.955-1.18)
1 (1.07-1.32)
1 (1,22.1.51)
1 (1.32.1.85j
(1.43-1.79)
(1.53-1.94)
(1.W2.13)
1 (1.742.28)
100
1.21
1.61
1.73
2.02
2.26
2.48
L72
3.04
3.20
JO-min
(0.9051.12)
1 (1,09-1.35)
1 (1.38.1.67)
1(1.55-1.91)1
(1.80.2.24)
1 (1.99.2.49)
1 (2.19-2.75)
(2.38-3.02)
(2.63-3.39)
(2.82-3.70)
1.26
1.62
1.93
2.26
2.69
3.06
3.42
3.81
4.36
4.80
80-min
(1.13-139) 11
(137-1.69) 11
(174215)
1 (2.02-2.49)
1 (2.40.2.98)
(2.70-3.37)
11 (3.02-3.79)
(3.344.23)
(3.77-4.87)
(4.11-5.39)
1A7
1.78
2.26
2.62
3.1t
3.67
4.01
4.49
&18
0.71
2-hr
(1.32-1.63)
1 (1.60-1.97)
1 (2.02-2.49)
1 (2.342.90)
1 (2.79-3.48)
(3.15-3.85)
(3,52-4.46)
(3.90.4.99)
(4.42-5.76)
(4.84-6.41)
1.57
1.89
2.38
277
3.36
3.83
4.J4
4.89
0.68
6.36
3-hr
(1.42-1.76)
(171-2.11)
(2.13.2.64)
(2.46-3.08)
(2.97-372)
(337-4.28)
(3.79J.83)
(4.22-5.46)
(4.846.39)
(5.347.17)
1.97
2.36
2.90
J.37
4.06
4.83
0.26
0.8•
8.93
7.77
8-hr
(1 BO-2.17)
1 (2,14-2,58)
1 (2.643.18)
(3.05.3.70)
1 (3.64-4.45)
1 (4.13-5.08)
(4.645.78)
(5.18-6.55)
(5.96-7.89)
(8.59-8.67)
2.49
2.97
J.64
4.18
4.0.1
6.66
8.18
6.86
7.78
0.62
12-0r
(2.29-2.71)
1 (2.72-3.24)
1 (3.343.97)
(3.83-4.56)
1 (4.49-5.38)
1 (5.03.6o6)
(558476)
(8.13-7.52)
(8.89-8.61)
(7.47-9.50)
2.86
3.64
4.38
6.00
6.90
8.0.1
7.J8
0.16
9.2J
10.1
24hr
(2,73-320)
(328-3.84)
(4.034.72)
(4,62-5.42)
(5.43-6.38)
(6.08-7.17)
(6.73-7.96)
(7.40-e.81)
(8.31.9.89)
(9.01-10.9)
3.60
4.18
6.10
6.83
8.83
7.64
0.47
l.33
10.6
11.4
241sy
(3.26-3.78)
(3.894.51)
(4.74550)
(&41-6.28)
1 (6.32-7.35)
(7.04-8.22)
1 (7.77-9.13)
(8.51-10.1)
(9.52-11.4)
(10.3-12.4)
1.74
4.46
6.38
8.12
7.1J
7.l2
0.71
8.68
10.7
11.6
(3,48-4.01)
1 (4.154.79)
(5.01.5.78)
11 (5.611
1 (6.60-7.64)
(7.32-6.50)
(8,04-9.39)
(8.78-10.3)
(9.7241.5)
(10.5-12.5)
3.97
4.79
6.87
6.42
7.42
8.20
9.00
9.80
10.9
11.7
4- y
(3.714.25)
1 (4.42-5.08)
(5.29-6.07)
1 (5,91-6.87)
1 (6,89-7.94)
(7.80.8.78)
(8.30-9.65)
(9.01-10.5)
(9.93-11.7)
(10.7-12.7)
4.63
6.49
8.68
7A6
6.83
9.68
10.6
11.6
12.8
1J.8
Thy
(4.324.96)
1 (5.13-5.89)
(6.15-7.06)
(6.95-7.98)
(8.02-9.23)
(8.86.10.2)
(9.71.11.3)
(10.8-12.3)
(11.7-13.7)
(12.5-14.9)
6.2!
6.27
7.43
0.36
9.61
10.8
11.6
12.6
13.9
'so
10-d9y
(4.W5.63)
(5.90.8.97)
(7.01-T91)
(7.87-8.88)
(9.01-10.2)
(9.91.11.3)
(10.8-12.3)
(11.7-13.4)
1 (12.9-14.9)
(13.8.16.1)
7.19
6.46
9.82
10.8
12.3
13.3
14.3
/0.3
18.8
17.6
(8.80-7.80)
(8,004-94)
(9.29.10.4)
(10.3.11.5)
(11.6-13.0)
(12.5-14,1)
(13.5-15.2)
(14.418.2)
(15.5-17.6)
(18b18.7)
0.62
10.3
11.8
13.0
14.4
16.4
18.4
17.J
as
19.3
30-d9y
(8.37-9.30)
1 (9.82.10.9)
1 (11.2-12.5)
(12.3.13.7)
1 (13.6-15.1)
1 (14.6-16.3)
1 (15.5-17.3)
1 (16.3-18.3)
(17.419.6)
(18.1-20.5)
13.1
14.8
18.0
17.4
18.6
19.4
20.J
21.3
22.0
F45�;y11.2
46 dey
(1107-11.8)
(12.5.13.8)
(14.0-15,5)
(15,ZI8.6)
(16.6-18.3)
(17.5-19.4)
(18.420.4)
(19.2-21 3)
(20.2-22.5)
(20.5.23.2)
13.5
18.7
17.6
18.8
20.4
21.6
226
23.4
24.4
26.1
80-d
(12.&14.2)
(149-185)
(16.7-18.4)
(1T9-198)
(19.4-21.5)
(205-22.7)
(21.423.7)
(22.2-24.7)
(23.1-25.8)
(23A-2e.6)
t Precipitation frequency (PF) estimates in this table are based on frequency analysis of partial duration series (PDS).
Numbersm parenthesis are PF estimates at lower and upper bounds of the 90% confidence interval The probability that precipitation frequency estimates (for
a given duration and average recurrence interval) will be greater than the upper bound (or less than the lower bound) is 5%. Estimates at upper bounds are
not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values
Please refer to NOM Atlas 14 document for more information.
PF graphical
http://hdw.nws.noes.gov/hdw/pfds/pfds_printpage.html?lat--3SA[51&Ion=-825266&data=depth&unims nglish&series=pds 1/4
5/19/2016
Precipitation Frequency Data Server
PDS-based depth -duration -frequency (DDF) curves
Latitude 35.41510, Longitude-82.5266°
30
25
$ 20
a
w
v
15
i10
5
0
C C C C C � T TT T T T T TT
E E E ppE ppE L L t tN t m m m m m pm p m ro ppm
O N In O r0
Duration
K'rl
25
c
20
v
4 15
10
5
50
1000
100
200
500
1 2
5
10
25
Average recurrence interval (years)
NOAA Atlas 14. Volume 2, Version 3 Created (GMT): Thu May 19 1749.13 2016
Aerage recurrence
rmereal
(yews)
1
2
5
10
-- 25
50
100
200
500
1000
Duration
5-min
— 2day
— 10mn
— 3day
15-min
— 44ay
— 30inm
— 7-day
— 5Dmm
— IGday
— 2+v
— 20-day
— 3-nr
— 30day
— 6t1r
— 45day
— 12-hr
— 80day,
— 24-hr
Back to Too
Maps & aerials
Small scale terrain Blacksbu
Daniel Boone
National Forest:--
!v
Kingsport
e Cherokee
National Forest"
Cookevdie
' G Greensboro
` Knoxville 't - Winston -Salerno 0
0 yr.
Pigeon Forge 4 _ NOR T
� ,YAshevill 'Hickory C A R O L
Charintte
help://hdw.nws.nose.gov/hdw/pids/pfds_prinlpagchnnl'lai +5415IKInn 92.5266&data=depth&units=english&series=pds
2/4
5119/2016 Precipitation Frequency Data Server
Chattaonooga d „ ,.A ;, r {" A
t'4
yr.�,�;T. Greenville -Spartanburg oRock Hill
.46 41,
hanahooch"; ° —
/ 1 '1 National Fgrest
_ Anderson
® Florence
Alpharetta ., °
Athens
oSOUTH
Atlanta CAROLINA
GO gle SO km Map data Report a map error
Large scale terrain
280 319]
t3
Oak Park.
Ashevitl
t
Region al Airpa' 'FI ('tias cau ua
Fletcher
0
1351 I �Jafi �F
�. 134,
i
�339 [13 33
Mills River
i �i5 141s
1•�al i
G0 gle )km Map Rep°rtamupevor
Large scale map
U 3191
Oak Park
1359
Asheville
Regional Airport 41"s G9, RJ
Fletcher
Rd 1556
13a8 ... 191 S
1351 290 ' v g 1555
l 153 v
1345 1354
1338 1353 j Haple
Mills River
335 5
} ra
V4Or gle r 2 km Map Reppn a map error
http://hdsc.nws.nose.gov/hdsc/p(ds/p(ds_printpage.htm171at--35A151&Ion=$25266&Aata=depth&unims nglish&series=pds 3/4
ill 9120 16 Precipitation Frequency Data Server
Go gle 2 km Imagery t Report a map enor
Back to Too
US Department of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
National Water Center
1325 East West Highway
Silver Spring. MD 20910
Questions? HDSC.Questions(&noaa.00v
sclamer
http://hcisc.nws.noes.gov/hdw/pfdstpfds_printpage.html?latJ54151&ion=-825266&dau=depth&uniLs nglish&series=pds 4/4
William Miller
NCDA - Division of Soil and Water
Site Evaluation and Soils Investigation Log Sheet
Soil Map Unit Symbol and Name Ud = Udorthents. Adjacent soils are mapped Ko (Kinkora) and DeA
(Delanco/Dillard). Adjacent upland soils are mapped BaB (Bradson)
Dominant Species Observation of occasional bulrush. Red twigged dogwood present, although
unable to estimate dominance.
Site Observations: Soils are mapped Udorthents, which implies anthropogenic alteration.
Some alteration was evident from observation of texture inversion in surface horizons. The site in its
entirety contains several landforms. The north east quadrant of the property begins as a sideslope off of
a finger ridge which transitions from the northeast to the southwest into a footslope and a terrace.
Based on field observation native soils at the lower elevations were likely Kinkora series soils, which are
poorly drained fine textured hvdric soils on stream terraces. Field indicators showed soils transitioning
from poorly drained and hvdric to somewhat poorly drained and non hvdric to well drained as elevation
was gained through the site. All reported observed soils were somewhat poorly drained or wetter,
indicating need to mitigate for a seasonally high water table and potential for ponding in depressed
areas during wet weather.
Profile Description #1
Location Description: Small depressional area in landscape
Coor: 627723.31 N 948330.24 E PDOP = 1.38
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-9
30 YR 4/3 —
Fine
Friable
Slightly to
Weak/ weak
Oxidized root channels,
10 YR 4/2
sandy
moderately
to strong
10% fine mica flakes
loam to
plastic/
sandy
slightly
clay
sticky
loam
9-16
10 YR 5/1=
Sandy
Friable to
Moderately
Weak/ weak
10 YR 6/8 = 30%
70%
clay
firm
plastic/
to strong
concentrations in matrix
loam to
slightly
fine
sticky
sandy
loam
16-28
10 YR 5/1 =
Clay
Firm
Moderately
Weak to
SO YR 6/8 = 30%
80%
loam to
plastic to
strong
concentrations in matrix
sandy
plastic/
clay
slightly
loam
sticky
Notes: Taken near slight swale running N-S. Standing clear water — Y." in small( 1' diameter) pool
adjacent to sampling site. Water table at 22" after 10-15 minutes. at 4" overnight (overnight no water
ponded on surface).
Likely Kinkora soils :: Poorly drained/hvdric
Profile Description #2
Location Description: Upslope of Hole #1— upper extent of depressional area soils
Coor: 627782.5 N 948350.2 E PDOP = 1.46
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-8
10 YR 4/3 =
Sandy
Friable
Slightly
None to
7.5 YR 4/6 — SYR 4/4 =
90%
loam
plastic/ non
weak
10% mottles in matrix
sticky
8-16
30 YR 5/6 =
Sandy
Friable to
Moderately
Weak/ weak
5 YR 5/8 = 15%
70%
clay
firm
plastic/
to strong
10 YR 4/2 = 10%
loam
slightly
10 YR 5/8 = 5%
sticky
All mottling in matrix
16-32
10 YR 5/6 =
Sandy
Friable to
Moderately
Weak/ weak
10 YR 6/1 = 35%
45%
clay
firm
plastic/
to strong
Zoned mottling, 7.5 YR
loam
slightly
5/6 outer and SYR 5/8 in
sticky
center = 20%
Notes: Likely Dillard soils:: Somewhat poorly to poorly drained/ non hvdric
Profile Description p3
Location Description: Depressional area, low spot on landscape
Coor: 627627.4 N 948544.0 E PDOP = 1.37
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-10
30 YR 4/3 =
Sandy
Friable
Slightly
None to
7.5 YR 4/6 mottling in
90%
loam
plastic/ non
weak
matrix and pore lining =
sticky
10%
10-16
10 YR 4/2 =
Sandy
Friable
Slightly
None to
7.5 YR 4/6 mottling in
70%
loam
plastic/ non
weak
matrix and pore lining =
sticky
10%, 10 YR 4/6 = 20%
16-24
10 YR 5/1 =
Clay
Firm
Moderately
Weak to
10 YR 5/6 = 5%
95%
loam
plastic to
strong
plastic/
slightly
sticky
Notes: Water table at 16" within 15 minutes
Likely Kinkora soils :: Poorly drained/ borderline hydric
Profile Description #4
Location Description: Low, depressional area on landscape
Coor: 627611.56 N 948202.54 E PDOP = 1.18
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-3
7.5 YR 5/6
Loam to
Friable to
Slightly to
Weak to
7.5 YR 4/2 with
= 60%
clay
firm
moderately
strong
oxidation in root
loam
plastic/
channels = 40%
slightly
sticky
3-12
7.5 YR 4/1
Clay
Firm
Moderately
Weak to
7.5 YR 5/6 = 15%
= 80%
loam
plastic to
strong
2.5 YR 4/6 = 5%
plastic/
mottling in matrix
slightly
sticky
12-24
7.5 YR 6/1
Clay to
Firm
Moderately
Weak to
7.5 YR 5/6 = 40%
= 50%
clay
plastic to
strong
7.5 YR 4/1 = 10%
loam
plastic/
mottling in matrix
slightly
sticky
Notes: Water table at 3" within 20 minutes
Likely Kinkora soils that have been altered :: Poorly drained/hydric
Profile Description #5
Location Description: Low, deoressional area on landscape
Coor: 627710.52 N 948219.70 E PDOP = 1.48
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-2
7.5 YR 5/6
Loam to
Friable
Slightly to
Weak/ Weak
7.5 YR 4/1 = 30%
= 70%
clay
moderately
to strong
mottling in matrix
loam
plastic/
slightly
sticky
2-15
7.5 YR 4/1
Loam to
Friable
Slightly to
Weak to
7.5 YR 4/6 = 5%
= 80%
clay
moderately
strong
2.5 YR 4/6 = 15%
loam
plastic/
mottling in matrix
slightly
sticky
15-24
7.5 YR 4/1
Clay
Friable to
Moderately
Weak to
2.5 YR 4/6 = 15%
= 85%
loam
firm
plastic/
strong
mottling in matrix
slightly
sticky
Notes: Water table visible at bottom of auger hole after 15 minutes
Likely Kinkora soils that have been altered :: Poorly drained / hvdric
Profile Description #6
Location Description: Representative of slightly elevated sections between the depressional areas
sampled
Coor: 627708.19 N 948281.35 E POOP = 1.39
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-10
10 YR 4/4 =
Loam
Friable
Slightly
Weak
10 YR 4/6 = 10%
90%
plastic/
mottling in matrix
slightly
sticky
10-16
10 YR 5/2 =
Sandy
Friable
Slightly to
Weak to
10 YR 4/6 = 10%
90%
Loam
not plastic/
none
mottling in matrix
not sticky
16-24
7.5 YR 6/1
Clay/
Firm
Moderately
Weak to
7.5 YR 4/6 = 40%
= 50%
Clay
plastic to
strong
7.5 YR 4/1= 10%
loam
plastic/
mottling in matrix
slightly
sticky to
moderately
sticky
Notes:
Likely Kinkora soils:: Poorly to somewhat poorly drained / non hydric
Profile Description #7
Location Description: Lower section of Property
Coor: 627602.73 N 948390.99 E PDOP = 1.31
Depth
(in)
Color
Texture
Consistence
Plasticity/
Stickiness
Ribbon
Other Features
0-3
10YR4/3
Loam
Friable
Slightly
Weak
plastic/
slightly
sticky
3-12
10 YR 4/2 =
Loam to
Friable
Slightly
Weak
10 YR 4/6 =10% in root
80%
clay
plastic/
channels
loam
slightly
sticky
10 YR 4/3 =10%
mottling in matrix
12-24
7.5 YR 6/1
Clay/
Firm
Moderately
Weak to
7.5 YR 4/6 = 40%
= 50%
Clay
plastic to
strong
7.5 YR 4/1=10%
loam
plastic/
mottling in matrix
slightly
sticky to
moderately
sticky
Notes: Water table visible at 12" after 15 minutes.
Likely Kinkora soils :: Poorly drained / hydric
Profile Description #8
Location Description: Area at upper fringes of depressional, wet areas
Coor: 627733.5 N 948421.70 E PDOP = 1.74
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-8
10YR4/3
Loam to
Friable
Slightly
Weak/Weak
Clay
plastic/
to strong
loam
slightly
sticky
8-12
10 YR 4/3 =
Loam to
Friable
Slightly
Weak/Weak
10 YR 5/8 = 25%
50%
clay
plastic/
to strong
10 YR 5/2 = 25%
loam
slightly
mottling in matrix
sticky
12-24
7.5 YR 6/1
Clay/
Firm
Moderately
Weak to
7.5 YR 4/6 = 40%
= 50%
Clay
plastic to
strong
7.5 YR 4/1= 10%
loam
plastic/
mottling in matrix
slightly
sticky to
moderately
sticky
Notes:
Poorly to somewhat Poorly drained / non hydric
Profile Description #9
Location Description: Area at upper fringes of depressional, wet areas
Coor: 627735.0 N 948533.73 E PDOP =1.24
Depth
Color
Texture
Consistence
Plasticity/
Ribbon
Other Features
(in)
Stickiness
0-10
10 YR 4/3
Loam to
Friable
Slightly
Weak / Weak
clay
plastic/
to strong
loam
slightly
sticky
10-16
10 YR 4/3 =
Clay
Friable to
Slightly to
Weak to
10 YR 4/6 = 20%
40%
loam
firm
moderately
strong
10 YR 5/2 = 40%
plastic/
mottling in matrix
slightly
sticky
16-24
7.5 YR 6/1
Clay/
Firm
Moderately
Weak to
7.5 YR 4/6 = 40%
= 50%
Clay
plastic to
strong
7.5 YR 4/1=10%
loam
plastic/
mottling in matrix
slightly
sticky to
moderately
sticky
Notes:
Somewhat poorly drained / non hydric
r
mv:aws ..srn a
rmo smn[r
.wo rnw au raaa
M WiWS
(ewr-rwaru turd
Eatthwtas. Vptumes
Raw Cut: 21500 Cubic yards
Raw Fill: 11,200 cub,c yards
Soil Surplus Estimate: 7300 cubk
vans
Note: All cut and 611 slopes shall be 3:1
t" V )
srarE of NORTH cnaouNn WNC AG CENTER - RABBIT PATCH PARKING LOT
ICE) IE&SC PLAN -SITE DEVELOPMENT PLAN
au.coww ewe*r. edRnl erwaaes
Page 1 of d
eic1901Pc649
OCf: i c T C t-'C"
-96 Rpp, 18 P 4 :08
Eadse Tea I Recorded Tore. Hook and Pace
TaxLot No. ........... _.__.. . ............... ............. Parcel Identifier No. ....................... ..... ...... ....... ...._...........
Verified by ........... ....... ...._.... .........,...... County on the ......._.._... do, of .... ........... ,.., ___._..., M..... ,.....
by..... ... ... ........ .. ............... ................. . -..... -- .... .........._. ............ ..
Mail after recording to ..._.___...._...Ni1.l.tam..F....S.lawter.,.. City., Attorney,_ City...Attorney.:S..Offi.ce.................
.......... . ... .............. I--............ .Post..Offi.ce..OoX_I148,..Ashevi.I l e.,..North_Ca rol.ina..286(32-7148...................
This instrument was prepared by---Wi) 1 iam. F,_.Sl awter ,...........,.,.._ _.................. .....
Brief description for the Index 18.2 Acres on Fanning Bride Road
NORTH CAROLINA GENERAL WARRANTY DEED
THIS DEED made this ...18 day of _._ L..r..__._................. .... 1J..! % — by and between
GRANTOR
CITY OF ASHEVILLE, a North Carolina
municipal corporation
GRANTEE
THE STATE OF NORTH CAROLINA
c/o Joseph H. Henderson
State Property Office
116 N. Jones Street
Raleigh, North Carolina 27603-8003
Enter In appropriate black far each party: aster, address, and, It aparnpriu(e, rharee(er Of entity. e.a. rornonnon or nirutershl,
The designation Grantor and Grantee as used herein shelf Include .,aid parties, their heirs, socce... ra, and trisi,co, end
.hall include singular, plural, masculine, feminine or nuts, is required by context.
WITNESSETH, that the Greater, for a valuable consideration paid by the Grantee. the receipt of which is hereby
acknowledged, he. and by these presents does grant, bar,.ln, all slid convey unto the Gran tea In fee simple, all that
certain lot or parcel of hold situated in the City of ......_. Asheville .._....... ... ........ _...... Township,
.... Buncombe.._ .. ... _.... ... Conicity, Net Carolina and more D itticnlarly deset Red as follown:
See attached Exhibit "A
Received
JUN 13 7016
Land Quality Section
Asheville
Book: 1901 Page:649 Seq: 1
Prinbed by Corner5tor- Priaten. Inc
Page 2 of 4
eK1901Pc650
EXHIBIT A
BEGINNING at an iron pin which is located South 21 degrees 36
minutes 41 seconds West 612.69 feet (Ground) and South 23 degrees
38 minutes 51 seconds West 612.53 feet (Grid) from NCGS Monument
"Rest" (NC Grid Coordinates (NAD 83) N191587.805m and
E289213.047m, and runs thence from said Beginning point on a
curve to the right having a radius of 663.94 feet, a chord
bearing of South 59 degrees 23 minutes 33 seconds West 413.45
'
feet and an arc length of 420.44 feet to an iron pin; thence
South 79 degrees 32 minutes 36 seconds West 342.65 feet to an
iron pin; thence on a curve to the left having a radius of
5,839.58 feet, a chord bearing of South 80 degrees 15 minutes 48
seconds West 386.20 feet and an arc length of 386.27 feet to an
iron pin; thence North 64 degrees 21 minutes 42 seconds West,
crossing an iron pin at 52 feet, a total distance of 182.47 feet
to a right of way monument, said right of way monument being
located North 30 degrees 44 minutes 38 seconds West 216.86 feet
from a County Line monument; thence North 02 degrees 48 minutes
04 seconds West, crossing an iron pin at 182.64 feet, a total
distance of 445.09 feet to an iron pin; thence North 25 degrees
31 minutes 19 seconds West 89.43 feet to an iron pin located in
the eastern margin of the 100' right of way of Airport Road;
-
thence with the eastern margin of said right of way, North 03
degrees 07 minutes 12 seconds West 63.53 feet to an iron pin;
thence North 86 degrees 52 minutes 48 seconds East 300 feet to an
-
iron pin; thence South 03 degrees 07 minutes 12 seconds East 400
feet to an iron pin; thence North 86 degrees 52 minutes 48
seconds East 981.81 feet to the point and place of Beginning,
containing 8.31 acres, more or less, and being shown on a survey
dated November 17, 1995, last revised December 1, 1995, entitled
"Survey of Addition to WNC Agricultural Center," prepared by
Hutchison -Biggs & Associates, Inc. (B95-885)
Being part of the property conveyed to the City of Asheville by
-
Deed dated April 4, 1956 from City Loans, Incorporated, and
recorded in Deed Book 366 at page 607, Henderson County Registry.
This conveyance is subject to the following restrictions, which
shall be perpetual, unless sooner released by the Federal
Aviation Administration:
1. Grantor reserves unto itself, its successors and assigns,
for the use and benefit of the public, a right of flight for
the passage of aircraft in the airspace above the surface of
the real property hereinbefore described, together with the
right to cause in said airspace such noise as may be
inherent in the operation of aircraft, now known or .
hereafter used, for navigation of or flight in the said
airspace for landing on, taking off from, or operating on
the Asheville Regional Airport.
Book: 1901 Page:649 Seq:2
Page 1 of 4
eK 1 9 0 1 Pc 65 I
(ATTACHMENT)
2.
The Grantee expressly agrees for itself, its successors and
assigns to restrict the height of structures, objects of
natural growth and other obstructions on the hereinbefore
described real property to a height not to exceed the
imaginary surfaces in Federal Aviation Regulation Part '77,
^Objects Affecting Navigable Airspace."
3.
The Grantee expressly agrees for itself, its successors, and
assigns to prevent any use of the hereinbefore described
real property which would interfere with landing or taking
off of aircraft at the Asheville Regional Airport or
otherwise constitute an airport hazard.
4.
The Grantor retains and reserves necessary interests and
rights to ensure that the land will only be used for
purposes which are compatible with the noise levels
generated by the airport.
5.
No structures of any kind shall be built upon and no
congregation of people shall at any time be allowed upon the
following described portion of said property;
BEGINNING at the right of way monument
located at the southwestern corner of that
8.31 acre tract described hereinbefore and
thence from said Beginning point North 02
degrees 48 minutes 04 seconds west 182.64
feet; thence South 27 degrees 54 minutes 49
seconds East 270.33 feet; thence North 64
degrees 21 minutes 42 seconds West 130.47
feet to the point and place of Beginning.
g
Book:1901 Page:649 Seq:3
Pape 4 of 4
BK1901Pc652
The property hereilabove described was acquired by Grantor by instrument recorded in
A map showing the have described property Is recorded in Plat Book ....___ ........._. _.... .... page
TO HAVE AND TO HOLD the afar ... id lot or parcel of land and all privileges and appurtenances thereto belonging to
the Grant. to fee simple.
And the Grantor covenants with the Grantee, that Granter Is seized of the premises in fee simple, has the right to convey
the same in fee simple, that title is m°rkstable and free and clear of all encumbrances, and that Granter will warrant and
defend the title against the lawful claim of all persons whomsoever except for the exceptions hereinafter stated.
Title to the property hereinabove described is subject to the following exceptions:
W wrx.a a w.... o:ueWe: e,e te< n < e<.<uow ..I eln <. Iva .n0 .1— .1 .ri urale, n. v 1 1.1., 1m1m... m e ..A p f:,
se. rtllie•em. r n' ° h.a 11—•... m «.r m n. < <° n,ld .1 .1.-.r r es ne.m r m.n w, . A., ... I- t
CITY- n _%51h
HEVImu Ip ,my o•oraLionOY .... ......_...................... ....._AT
C .... .... .. mean)
Ci tY -- -- ! fDGty¢ffi,t4 AoL :a
a
4 ug�) _ __
:. , n'2•; g,F+ 4 .. n.)kia(iy;pt, tn. cnaafr .aa s.a. .mrame. « our w.I .................___. _.___...______.. _. ,
YL.a _____ .... ..._ _... ..... ..._ ....... ......... pm.wu
t m. rab a.r ana acme I.4;.° In. <:...flea °r Im m<erelnr rmwm<nt wrm<11 mr
jmue iLe.emeGl vhma or leaf tan -------- aq or _______________________________ __________ la......
el><.mmmlun<.vxo1:..........---------------- ....----------------------------------------- n°nrr eeeu<
MORTH CAROLINA, .. Buncomhe
r x 1 th. ce .e Ma dales Burleson
\ ^ easu.. anfr . sun .rorova, s<rm- twt Q.... ....
nrr<am. W.I.:n. Ink a.r .so .can.nl<at.a wa 5 hca .Gilt. Clef k........XSpKdtil]K r
City Of ASheyiile--_-- ---- _--� n.rin c..mm.<ov.,IF'Pal
..on, a,.:.m.rnral
.•"% m : x _ _—' ..... At cm, .r tn. <......t , m< eoos.lna m nm<nl na. usn<d 1. 1n n.m. er R.
Mayo[ .
ar
a-w..un u. <wv... I. .... ..a .alone -hen---- Zn _City-CleCk__. _ XwxaetX.
fj•% r^ ) c''�� ;��- NIN n a.na orncW .tame er ...1, inn 1S�..a.r s... i(LdC�(...... . n.%�P....
/..________ n.nry raeu.
rn. 1.1.10 1 c.1u1kaw4) ef------------ _k---------- .- ---- --------- -------------------------- ....................
._____
eo- ee. mad 1 ` n1. In n...., U. tau nln.n .r< ael> r<[I, t<r.e .e W neon e at. ana nme ... la tM —1 v." .Town an tha
n..<wn err<.n ar
............./_J,��� --- __-neeteTen we aeons r0 .a- -------.encwzl
a/kra..+'� .__.____.....n<luwtAaal.um. nal.nr ar o1m.
or ....___ __________________ _
Book: 1901 Page:649 Seq:4
Printed by ComerS.orlc Prinnn, ins
®gin.
NCDENR
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
WETLAND SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all the required information.
Project name
Contact name
Phone number
Date
Drainage area number
Drainage area
Impervious area
Percent impervious
Design rainfall depth
Peak Flow Calculations
1-yr, 24-hr rainfall depth
1-yr, 24-hr intensity
Pre -development 1-yr, 24-hr runoff
Post -development 1-yr, 24-hr runoff
PrelPost 1-yr, 24-hr peak control
Storage Volume: NonSA Waters
Minimum required volume
Volume provided (temporary pool volume)
Storage Volume: SA Waters Parameters
1.5' runoff volume
Pre -development 1-yr, 24-hr runoff volume
Post -development 1-yr, 24-hr runoff volume
Minimum volume required
Volume provided
Outlet Design
,WNC
2016
130,680,000'
117,612.00 ft'
90.0% %
1.00inch
2.95
in
0.12
inlllr
1.40
ft'/seC
7.40
fftec
6.00
fN/sec
9,365.00 fit
— RABBIT PATCH PARKING
21,140.00 WOK
eft'
fI3
fN
to
i fo
Depth of temporary poogponding depth (D.J
12.00 in
Orawdown time
2.00days
I
Diameter of orifice
i
i
1.50In
Coefficient of discharge (C,) used in orifice diameter calculationi
0.60'(unidess)
Driving head (H) used in the orifice diameter calculation j
1.001
OK
OK
OK SEAL:
OK
O20F W ATFgOG
� y
o
N t,HKO��piG
pF ESS/p•.,ti9�i��
G
rn:
No. 39870
7411f filll111\
�/ ZVC, (o
Forth SW401-Wetland-Rev.6-11/16/09 Parts I and It. Pmlec1 Design Summary, Page 1 of 3
Surface Areas of Wetland Zones
Surface Area of Entire Welland
Shallow Land
The shallow land percentage is:
Shallow Water
The shallow water percentage is:
Deep Pool
Forebay portion of deep pool (pretreatment)
The forebay surface area percentage is:
Non-forebay portion of deep pool
The non-forebay deep pool surface area percentage is:
Total of wetland zone areas
Add or subtract the following area from the zones
Topographic Zone Elevations
Temporary Pool Elevation (TPE)
Shallow Land (top)
Permanent Pool Elevation (PPE)
Shallow Water/Deep Pool (top)
Shallow Water bottom
Most shallow point of deep pool's bottom
Deepest point of deep pool's bottom
Design must meet one of the following two options:
This design meets Option #1,
Top of PPE is within 6" of SHWT, If yes:
SHWT (Seasonally High Water Table)
This design meets Option 92,
Wetland has liner with permeability < 0.01 in/hr, If yes:
Depth of topsoil above impermeable liner
Topographic Zone Depths
Temporary Pool
Shallow Land
Permanent Pool
Shallow Water
Deep Pool (shallowest)
Deep Pool (deepest)
Planting Plan
Are cattails included in the planting plan?
Number of Plants recommended in Shallow Water Area:
Herbaceous (4'cubic-inch container)
Number of Plants recommended in Shallow Land Area:
Herbaceous (4•cubic-inch container), OR
Shrubs (1 gallon or larger), OR
Trees (3 gallon or larger) and Herbaceous (4+ cubic -inch)
Number of Plants provided in Shallow Water Area:
Herbaceous (4' cubic -inch container)
Number of Plants Provided in Shallow Land Area:
Herbaceous (4-cubic-inch container)
Shrubs (1 gallon or larger)
Trees (3 gallon or larger) and
Grass -like Herbaceous (4+ cubic -inch)
22,790.0011'
OK
8,949.00fR
OK
39%%
8,664.00112
OK
38%%
2,565.00ftr
OK
11%%
2,612.O0ft'
OK
11%%
22,790.00ft'
OK
0.00 ft,
2,061.50ft amsl
2,060.50ft amsl
2,060.00 ft amsl
2,058.50 It amsl
2,058.00 It amsl
Y (YorN)
2,061.00 ft amsl
OK
N (Y or N)
4.00 in
OK
12.00in
OK
6.00 in
OK
24.00 in
OK
30.00 in
OK
N (Y or N)
OK
2,200
2,250
360
45 and
1,800
2,200
OK
2,250
OK
360
OK
45
OK
100
More recommended if planting trees.
Form SW401-Wetland-Rev.6-11/16/09 Parts I and 11. Project Design Summary, Page 2 of 3
Additional Information
Can the design volume be contained?
Y
(Y or N)
OK
Does project drain to SA waters? If yes,
N
(Y or N)
Excess volume must pass through filter.
What is the length of the vegetated filter?
It
Are calculations for supporting the design volume provided in the
Y
(Y or N)
OK
application?
Is BMP sized to handle all runoff from ultimate build -out?
Y
(Y or N)
OK
Is the BMP located in a recorded drainage easement with a
Y
(Y or N)
OK
recorded access easement to a public Right of Way (ROW)?
The length to width ratio is:
5.50:1
OK
Approximate wetland length
440.00 ft
Approximate wetland width
80.00 ft
Approximate surface area using length and width provided
35,200.00ft2
This approx. surface area is within this number of square feet of
the entire wetland surface area reported above:
Will the wetland be stabilized within 14 days of construction?
Y
(Y or N)
OK
Form SM01 Metland- Rev. 6-11116/09 Parts I and 11. Project Design Summary, Page 3 of 3