SW1131102_HISTORICAL FILE_20131209

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW // 04
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
DOC DATE�L�
YYYYMMDD

C
r]
William G. Lapsley & Associates, P.A.
Consulting Civil Engineers and Land Planners
William G. Lapsley, P.E.
William R. Buie, P.E.
r
G. Thomas Jones Ill, P.E.
November 18, 2013
Mr. Mike Randall
Stormwater Permitting Section
NC Dept. of Environment & Natural Resources
1617 Mail Service Center
Raleigh, North Carolina 27699-1617
RE: Tuxedo Park
Stormwater Management Plans
WGLA # 13145
Dear Mr. Randall:
Please find enclosed the Stormwater Management Plans and calculations for the Tuxedo
Park. This project involves the construction of an access drive, two parking lots, a
pavilion, a gazebo, a restroom building, and tennis and basketball court. The total
acreage of this project is 6.44 acres and the estimated impervious area developed
including future improvements will be 1.41+1- acres. So the estimated percent built
upon at completion will be 21.89%. As a result this project is considered a low density
development. However, the basis for the stormwater management plan is to provide
water quality through stormwater bmps in the areas with higher impervious
percentages.
If you have any questions about our submittal or need additional information, don't
hesitate to contact our office.
Sincerely,
WILLIAMae,P.
&ASSOCIATES, P.A.
WiL'm�R.
Ruccei ed
Ov t
D EC - 9 2013
Land Quality Section
Asheville
214 N. King Street Hendersonvilie, NC 28792 Phone [phone] Fax [phone] wgla.com

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•S. l V
WILLIAM G. LAPSLEY & ASSOCIATES, P.A.
CONSULTING ENGINEERS & LAND PLANNERS Tuxedo Park VICINITY MAP
_ ,
NC License No: C-0556 Henderson County DEC — 9 2013
214 N. King Street
_r Hendersonville, NC 28792 North Carolina
[phone] L.z id QuaISCy Ectl6i:m 2,000'
�� Wgla-com Asho-Ville

DWQ USE ONLY
Date Received
Pee Paid
Permit Number
Applicable Rules: ❑ Coastal SW -1995 ❑ Coastal SW - 2008 ❑ Ph II - Post Construction
(select all that apply) ❑ Non -Coastal SW- HQW/ORW Waters ❑ Universal Stormwater Management Plan
❑ Other WQ M rmt Plan:
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This foriu iiiay be photocopied for irse as ari original
I. GENERAL INFORMATION
1. Project Name (subdivision, facility, or establishment name _ should be consistent with project name on plans,
specifications, letters, operation and maintenance: agreements, etc.):
Tuxedo Park
2. Location of Project (street address):
NC Highway225
City:
County: Henderson Zip: 28792
3. Directions to project (front nearest major intersection):
From Asheville, follow I-26 eastbound from 1-40 to exit 54 (towards Greenville SC) merge right onto US 25
and follow for approx. 3.6 miles to exit 5 turn left onto Greenville Hwy NC 225 and follow for approx. -1.3
miles. Projet site will beat the intersection of NC 225 and Tuxedo Street SR 1121 on the left.
4. Latitude:35° "13' 31" N Longitude:82° 25' 12" W of the main entrance to the project.
35. 215 3 e,2, yr 2,00
[I. PERMIT INFORMATION:
Specify whether project is (check one): ®New ❑Modification
b.If this application is being submitted as the result of a modification to an existing permit, list the existing
permit number , its issue date (if known) , and the status of
construction: []Not Started ❑Partially Completed* ❑ Completed* *provide a designer's certification
2. Specify the type of project (check one):
❑L.ow Density El-ligli Density ❑Drains to as Offsite Stormwater System ❑Other
3. If this application is being submitted as the result of a previously returned application or a letter from DWQ
requesting a state stormwater management permit application, list the stormwater project number, if
assigned, and the previous name of the project, if different than currently
proposed,
4. a. Additional Project lZequirements (check applicable blanks; information on required stale permits can be
obtained by contacting the Customer Service Center at -1-877-623-6748):
❑CAMA Major ®Sedimentation/Eros ion Control: 5.87 ac of Disturbed Area
❑NPDES Industrial Stormwater ❑404/401 Permit: Proposed Impacts QXe-hrea=o_
b. If any of these permits have already been acquired please provide the Project Name, Project/Permit Number,
issue date and the type of each permit: '
Land Quality Section
Asheville
Form SWU-101 Version 07RM2010 Page l of 6

o

M. CONTACT INFORMAWN
n
1. a. Print Applicant / Signing Official's name and title (specifically the developer, properly owner, lessee,
designated governmentofficial, individual, etc. who owns the project):
Applicant/Organization: Henderson Count
Signing Official & Title:Marcus Tones, P.I .; County Engineer
b.Contact information for person listed in item "la above:
Street Address:1 Historical Courthouse Square, Suite 6 _
City: Hendersonville State: NC Zip: 28792
Mailing Address (if applicable):
Ci ty: State: Zip:
Phone:
E mai L ing-jo nes@henderso nc o unty tic. or
Fax: (
c. Please check the appropriate box. The applicant listed above is:
® The property owner (Skip to Contact Information, item 3a)
❑ Lessee* (Attach a copy of the lease agreement and complete Contact Information, item 2a and 2b below)
❑ Purchaser* (Attach a copy of the pending sales agreement and complete Contact Information, item 2a and
2b below)
❑ Developer* (Complete Contact Information, item 2a and 2b below.)
2. a. Print Property Owner's name and title below, if you are the lessee, purchaser or developer. ('Phis is the
person who owns the property that the project is located on):
Property Owner/Organization:
Signing Official & Title:
b.Contact infornation for person listed in item 2a above:
Street Add
City:
Mailing Address (if applicable):
City:
Phone: ( }
Entail:
State: lip:
State:
Fax:
3. a. (Optional) Print the name and title of another contact such as the project's construction supervisor or other
person who can answer questions about the project:
Other Contact Person/ Organization:Williant R. Buie, PE
Signing Official & `l'itle: Consultin Engincer
b.Contact information for person listed in item 3a above:
Mailing Address:214 North King Street
City: Hendersonville State: NC Zip: 28792
Phone: (828 _) 687-7177 EXT. 302 Fax:
Llllai1:wbU ieO Wgia,CO111
4. Local jurisdiction for building permits: Henderson County
Point of Contact: Tom Statlfer Phone #: (828 ) 697-4830
Form SWIG-101 Version 073u1i2010 Page 2 of 6

IV. PROJECT INI~ORMAON
•
'1. In the space provided below, hriefly suntimarize how the storm Avater runoff will be treated.
Stormwater from the the proposed building and parking areas will be directed to two proposed bioretention
2. a. If claiming vested rights, identify the supporting documents provided and the date they were approved:
❑ ApprovaI of a Site Specific Development Plan or PUD Approval Date:
❑ Valid Build ing Permit Issued Date:
❑ Other: Date:
b.If claiming vested rights, identify the regulation(s) the project Inas been designed in accordance with:
❑ Coastal SW -1995 ❑ Pli II - Post Construction
3. Stormwater runoff from this project drains to the Broad River River basin.
4. Total Property Area
6.44 acres
5. Total Coastal Wetlands Area: 0 acres
6. Total Surface Water Area: 0 acres
7. Total Property Area (4) -Total Coastal Wetlands Area (5) - Total Surface Water Area (6) = Total Project
Area,: 6.44 acres
+ TotaI project area shall be calculated to exclude flte folloruingg the normal pool of impounded strrrctirres, the area
between flee banks of streams and rivers, the area below the Norrtral Higlt Water (NHW) lure or Mean Higlr Water
(MHW) line, and coastal zvetlands lattdzvard from the NHW (or MHW) lute. The resultant project area is used to
calculate overall percent brtilt ripoti area (BUA). Nott-coastal wetlands tmtdtvard of the NHW (orMHW) late nray
be included in the total project area.
8. Project percent of impervious area: (Total Impervious Area /Total Project Area) X 1.00 = 2'1.8 %
9. How many drainage areas does the project have? 3 (For ]tiglr density, count 'I for each proposed engineered
stornrzuater BMP. For low density and other projects, use I for the toltole property area)
10. Complete the following information for each drainage area identified vi Project Information item 9. If there
are more than four drainage areas in the project, attach an additional sheet with the information for each area
provided in the same format as below.
]basin Information
Draina e Area 1
Draina e Area 2
Draina e Area 3
Drainage Area-4-
Receiving Stream Name
Green River
Green River
Green River
Stream Class *
C;Tr
C;'I'r
C;Tr
Stream Index Number *
9-29-(22)
9-29-(22)
9-29-(22)
Total Drainage Area (so
17,340
52,708
21.0,462
On -site Drainage Area (so
17,340
52,708
210,462
Off -site Drainage Area (so
0
0
0
Proposed Im ervious Area** so
10,019
31,798
19,414
% Impervious Area** total
57.8
60.3
9.2
Impervious- Surface Area
Drainage Areal
Draina e Area 2
Draina e Area 3
Drainage Area 4
On -site Buildings/Lots (so
0
0
0
On -site Streets (so
0
0
1,159
On -site Parking (so
10,019
16,022
0
On -site Sidewalks (so
0
5,550
17,999
Other on -site (SO
0
0
0
Future (so
0
10,226
256
Off -site (SO
0
0
0
1?xisting 13UA*** (so
0
0
0
Total (so:
10,019
31,798
19,414
Stream Class and Index Number can be determined at: littl).Ao)-tal.ttcrlenr.org roeb/zc)rl[l)s/cstt/classi icatious
*� Im )erviarts area is defined as the built upon area including, but not limited to, buildings, roads, parking areas,
sirlervalks, gravel areas, etc.
**Report only drat amount of existing BiIA that zoill remain after developrnettt. Do not report any existing Bt1A flint
is to be removed and wlridr will be replaced by nero B UA.
Fortn SWU-101 Version 07AM2010 Page 3 of 6

LT. How was the off -site impery lls area listed above determined? Provide'Onientation. No Off -site
innpervoius area drainage crosses the project site.
Protects in Union County: Contact DIhQ Central Ojfce staff to check if the project is located ivitlrin rr Threaletrec!
Endangered Species watershed that may be suGject to more .stringent storrrnvater requirenients as per NC11C 02B .0600.
V. SUPPLEMENT AND O&M FORMS
The applicable state stormwater management permit supplement and operation and maintentalice (O&M) forms
n.usl be submitted for each BMP specified for this project. `rile latest versions of the forms can be downloaded
from htt))�//portal.ncclenr.or web/wq/ws/sii/bnnp-nna»ual.
VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ).
A complete package includes all of the -items listed below. A detailed application instruction sheet and BMP
checklists are available from.littp://portal.ncdenr.org/web/wq/ws/su/statesw/fornns_docs. The complete
application package should be submitted to the appropriate DWQ Office. (The appropriate office may be
found by locating project on the interactive online map at http:[/portal.ncdenr.org/web/wq/ws/su/maps.)
Please indicate that the following required information have been provided by initialing in the space provided
for each item. All original documents MUST be signed and initialed in blue ink. Download the latest versions
for each submitted application package from httpY//aortal.iudetzr.org/webfwq/jvlsu/slates.ti f forms does.
Initials
"L Original and one copy of the Stornnvater Management Permit Application Form. W
2. Original and one copy of the signed and notarized Deed Restrictions & Protective Covenants t-A
Form. (if required its per Part VI1 below)
3. Original of the applicable Supplement Fornn(s) (sealed, signed and elated) and O&M
agreement(s) for each BMP.
4. Permit application processing fee of $5051utyrrble to NCDENR. (For an Express review, refer to
http://wsvw,enviielp.org/pages/onestopexpress.litml for information on tine Express program
and the associated fees. Contact the appropriate regional office Express Permit Coordinator for
additional information and to schedule the required application meeting.)
5. A detailed narrative (one to two pages) describing the stormwater treatment/managenientfor
the project. This is required in addition to the brief summary provided in the Project
Information, item -1.
6. A USGS map identifying the site location. If the receiving stream is reported as class SA or the
receiving stream drains to class SA waters within 1/2 mile of the site boundar- ,, include the'/z
mile radius on the map.
7. Sealed, signed and dated calculations.
Two sets of plans folded to 8.5" x 14" (sealed, signed, & dated), including:
a. Development/Project name.
b. Engineer and firm.
c. Location map with named streets and NCSR numbers.
d. Legend.
e. North arrow.
f. Scale.
g. Revision number and dates.
li. Identify all surface waters on the plans by delineating the normal pool elevation of
innpounded structures, the banks of streams and rivers, the MI-1W or NHW line of tidal
waters, and any coastal wetlands landward of the MI-1W or NI-IW lines.
C Delineate the vegetated buffer landward from the normal pool elevation of impounded
structures, the banks of streams or rivers, and the MI-IW (or NI-IW) of tidal waters.
i. Dimensioned property/project boundary with bearings & distances.
j. Site Layout with all 13UA identified and dimensioned.
k. Existing contours, proposed contours, spot elevations, finished floor elevations.
1. Details of roads, drainage features, collection systems, and stormwater control nneasures.
m. Wetlands delineated, or a note on the plans that none exist. (Must be delineated by a
qualified person. Provide documentation of qualifications and identify the person who
made the determination on the plans.
n. l xisting drainage (including off -site), drainage easements, pipe sizes, runoff calculations.
o. Drainage areas delineated (included in the main set of plans, not as a separate document).
p. Vegetated buffers (where required).
wo
00
Form SWU-10i Version 07.lun2010 Page 4 of 6

9. Copy of any applicable soiloport with the associated SHWI' elevationsOase identify
elevations in addition to depths) as well as a map of the boring locations with the existing
elevations and boring logs. Include an 8.5"x11" copy of the NRCS County Soils map with the
project area clearly delineated. For projects with infiltration 13MPs, the report should also
include the soil type, expected infiltration rate, and the method of determining the infiltration rate.
(Infiltration Devices submitted to WiRO: Schedule a site visit for DWQ to verify the SHWt' prior
to srrbiriittal, [phone].)
10, A copy of the rilost current property deed. Deed book: '1490 Page No: 326
11. For corporations and limited liability corporations (LLC): Provide documentation from the NC
Secretary of State or other official documentation, which supports the titles and positions held
by the persons listed in Contact h7formation, item 1 a, 2a, and/or 3a per NCAC 21-1.1003(e). The
corporation or LLC must be listed as an active corporation in good standing with the NC
Secretary of State, otherwise the application will be returned.
http: [/ ivww.secretai,y.state. nc. us/Corporations/CSearcli.aspx
VII. DEED RESTRICTIONS AND PROTECTIVE COVENANTS
For all subdivisions, outparcels, and fUtUre development, the appropriate property restrictions and protective
covenants are required to be recorded prior to the sale of any lot. If lot sizes vary significantly or the proposed
BUA allocations vary, a table listing each lot number, lot size, and the allowable built -upon area 111ust be provided
as an attachment to the completed and notarized deed restriction form. The appropriate deed restrictions and
protective covenants forms can be downloaded from
http:// _ortal.ncdenr.org/web/wq/ws/su/states_w/forms_docs. Download the latest versions for each submittal.
In the instances where the applicant is different than the property owner, it is the responsibility of the property
owner to sign the deed restrictions and protective covenants form while the applicant is responsible for ensuring
that the deed restrictions are recorded.
By the notarized signature(s) below, the permit holder(s) certify that the recorded property restrictions and
protective covenants for this project, if required, shall include all the items required in the permit and listed
on the forms available on the website, that the covenants will be binding on all parties and persons claiming
under them, that they will run with the Iand, that the required covenants cannot be changed or deleted
without concurrence from the NC DWQ, and that they will be recorded prior to the sale of any lot.
VIII. CONSULTANT INFORMATION AND AUTHORIZATION
Applicant: Complete this section if you wish to designate authority to another individual and/or firm (such as a
consulting engineer and/or firm) so that they may provide information on your behalf for this project (such as
addressing requests for additional information).
Consulting Engineer: William R. Buie, PE
Consulting Firrn: William G. LapsIey & Associates, P.A.
Mailing Address: 214 N. King Street
City: Hendersonville
Phone: (828 ) 687-7177 EXT. 302
Email: wbuie@",gl�a.com
State: NC Zip: 28792
Fax: (828 ) 687-7178
IX. PROPERTY OWNER AUTHORIZATION (if Cox tact hiforraatiorr, iterrr 2 has been filled ocrt, coiaplete tlris
section)
1, (print or type statue of person listed iri Contact Inforination, iterrr 21r) , certify that I
own the property identified in this permit application, and thus give permission to (print or type uaroe of person
listed in Coidact Information, item 1 a) with (print or type nanie of organization listed in
Contact Inforniation, itein 7a) to develop the project as currently proposed. A copy of
the lease agreement or pending property sales contract has been provided with the submittal, which indicates the
part), responsible for the operation and maintenance of the stormwater system.
Fonu SWU-101 Version 07JUn2010 Page 5 of 6

As the legal property owner I'1 owledge, understand, and agree by my sioure below, that if my designated
agent (entity listed in Contact Information, item 1) dissolves their company and/or cancels or defaults on their
lease agreement, or pending sale, responsibility for compliance with the DWQ Storrnwater permit reverts back to
me, the property owner. As the property owner, it is my responsibility to notify DWQ immediately and submit a
completed Name/Ownership Change Form within 30 days; otherwise I will be operating a stormwater trealment
facility without a valid permit. I understand that the operation of a stormwater treatment facility without a valid
permit is a violation of NC General Statue 143-215."1 and may result in appropriate enforcement action including
the assessment of civil penalties of up to,$25,000 per day, pursuant to NCGS 143-215.6.
Signature: Date:
1, a Notary Public for the State of County of
do hereby certify that personally appeared
before me this _day of and acknowledge the due execution of the application for
a stormwater permit. Witness my hand and official seal,
SI:.AL
My commission expires
X. APPLICANT'S CERTIFICATION
I, (171-rflf Or tyl)e 11R1Ile Of PC 5011 IlSfed ill C011f1Cf 111forni at ion, iteln T(r) Mar•crrs A. Jones, P.E. _
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants will be recorded, and that the proposed project complies with the requirements of the
applicable stormwater rules under 15A WAC 2I-1 .1000, SL 2006-246 (Ph. II - Post Construction) or SL 2008-2"1.1.
Signature: �(/ T Date: ��/7 / 3
_L. - 2, Y ' _ l ry
� n , f a Notary l u brit for
the State of , � ��� t!%�/`.rCoun of
�� rr , do �he11reby certify that I 1 LQ.Y �,� ft . 0�� {i �`� _ personally appeared
before me this of Akw 17'Ll�f' �3 , and a kn wledge the du exec Lion of the application for
a stornnwater permit. Witness my hand and official seal, C.
�•,il�s;r;lr�,,
fZt( 1
rj .f 'i El' H.
� �i�-'llf llllltiy�\.
S1sAL
My commission expires-2 r
Dorm SWU-101 Version WJtin2010 Page 6 of 6

0 0
'� � �1�1':�I�` �� I I I': �I •�� ,1� al `II �, i I''i ����
NARRATIVE &
SUPPORTING CALCULATIONS
FOR
Tuxedo Park
HENDERSON COUNTY
NORTH CAROLINA
AL�
NO�O2 o° Q�.S
_ 27.989 -
n°
/)r1111111115 0
PREPARED BY:
WILLIAM G. LAPSLEY & ASSOCIATES, P.A.
CONSULTING ENGINEERS
214 N. KING STREET
HENDERSONVILLE, NORTH CAROLINA
k .
NOVEMBER 2013 DEC - 9 2013
Land Quality Section
Ashe;vme

Tuxedo Park
St®rmwater Management Plan
Narrative
Project Description:
Tuxedo Park is a proposed community park that is being planned in the Tuxedo area of
Henderson County. The property consists of approximately 6.44 acres west of Lake
Summit. This phase of the project involves the construction of an access road and trail.
The total disturbed area for the project is 5.87 acres with no offsite drainage crossing
the property. Future proposed improvements include a tennis court; basketball court,
gazebo, pavilion and restroom building.
Site Location:
The Tuxedo Park property is located in the Tuxedo area of Henderson County. More
specifically, this project is located off NC Hwy 225 (a.k.a. Old US Highway 25) at the
intersection of Tuxedo Street (S.R. # 1121).
Stormwater Management Plan Description:
The site was formerly a J.P. Stevens manufacturing facility that was recently demolished
by the County. The site is crowned sloping from the center of the property toward the
southeast and northwest. All of the drainage from this project area flows into
tributaries that feed Lake Summit.
The estimated built upon area of impervious surfaces for this project is 21.8%, so the
project is considered a low density project. However, the basis for the stormwater
management plan is to provide water quality through the use of bio-retention cells in
the areas with higher impervious percentages. The overall impervious area is being
reduced on site as compared to the previous condition as a manufacturing facility;
therefore the peak discharge rate from the site for the post -construction conditions to
pre -development levels for the I year, 24 hour storm event has been reduced. Further,
stormwater will be discharged and transported by vegetated swales to the greatest
extent possible.
These goals of the stormwater management plan will be accomplished by collecting the
stormwater from the future buildings, parking lots and the majority of the access road
and directing the runoff via sheet flow and grass swales to two separate bio-retention
cell systems. These systems will consist of bio-retention cells with sod, soil media,
underdrains and outlet control structures.
The drainage area for Bio-Retention Cell #1 will be 57.8% impervious and includes the
western parking lot and portion of the access road. The drainage area for Bio-Retention
Cell #2 will be 60.3% impervious and includes the eastern parking lot, portion of the
access road, future pavilion, future tennis court future basketball court and portion of
the walking trail. The remaining site will be 9.2% impervious and drains via sheet flow
and vegetated swales to the existing grass lined swales along Huggins Road (S.R. # 1853)
to the southeast and to the existing NCDOT storm drainage system to the northwest.

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LOCATION MAP NTS)
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STORMWATER BASINS
BASIN
TOTAL DRAINAGE AREA
I TOTAL IMPERVIOUS AREA
% IMPERVIOUS
B10-RETENTION CELL #1
17,340 ±S.F.
10,019 ± S.F.
57.8%
BIO-RETENTION CELL #2
52,708 ± S.F.
31,798 ± S..-
60.3%
BASIN #3
210,462 ± S.F.
19,414 ± S.F.
9.2%
PROPOSED BIO-RETENTION CELL /1
(SEE SHEET C-401 FOR DETAILS)
PROPOSED OCS #4
PROPOSED OUTLET /2
W/ FES k CONC. FLUME
PROPOSED SEPTIC FIELD
PROTECTION FENCING
� 1
� Y � �EXISIING OI /2 }r'
,PROPOSED DI /]-
F
EXISTING TREES
TO BE PRESERVED
r e�.
J r s' r r .rFJ•''"
i
TTIOP&S M. MWI-I'INCn
O.B. 1355. PG. 934
I
• "� PROPERTY LINE (TYP.) \ a
I
/
Z f
� f f
TP,UST£E OF THE
TLIXEDC FVT-:ISi CHURCH
iy 15
� l / • �,Iy' D.B. 274, G. &e�
ON�KI-STORY
'��rF,,z g—1Dv+aElnc ff
PROPOSED PERMANENT
iro- �, t1P�il VECETATED SWALE /1: t
9LO _.'�� `\. % y5"f yam` :r 1 r�,.D R;1 ELT' LW
I r'\ ' T:IxEO7 ezi. FT 34 3
l..r m \� \ w �ESm•WTL�ET~ +.21, E_ . L33
�` / T •(� \ ` "� fir
PROTECTION 1 55 }
STORM WATE R�
B!O-RETENTION CELL #2!!
PROOPOSPOS.
ED - V' \ � •/ / ,� %1�-r
STORMWATER
BIO-RETENTION_ .
pENCELL #1
1�\
PROPERTY ASPHALT
WALKING TRAIL (TYP.)
BASIN #3
TURE GAZEBO PROPOSED OUTLET II
FES do OUTLET PROT
/
PROPOSED PERMANENT
VEGETATEQ SWALE"�J
\ PROPOSED 0I-#3�� J
/
/ r ' B
EXISTING TREES TO BE
VEGETATED
SWALE #4
PROPOSED OI #6
PROPOSER CQ #a
EXISTING TREE —
TO BE PRESERVED
PROPOSED DI /S
�!J PROPOSED
t PLAYGROUND %
rO 1
-PROPOSED
PLAYGRouwol
ys1� ~I
!
DPOSED OUTLET /4
FES & OUTLET PROTECTION
NOTE
1.) SURVEY INFORMATION PROVIDED BY:
HILL AND ASSOCIATES SURVEYORS
403 W. BLUE RIDGE ROAD
EAST FLAT ROCK, NC 28726
PROPOSED BIO—RETENTION CELL #2
I (SEE SHEET C-401 FOR DETAILS)
/ PROPOSED OCS /7
PROPOSED OUTLET #7
W/ FES h OUTLET PROTECTION
',—PROPOSED PERMANENT
VEGETATED SWALE #3
)POSED PERMANENT
;ETATED SWALE /2
LINE (TYP.)
PROPERTY INFORMATION
OWNER:
HENDERSON COUNTY
1 HISTORICAL COURTHOUSE SO,
HENDERSONVR4E. NC 28792
DEED:
D.B. 149D PG. 326
PIN /e
9575-64-2488
CONTRACT:
MARCUS JONES
[phone]
LEGEND
--zc,a--
— EXISTING 2' CONTOUR
—Soso—
PROPOSED 2' CONTOUR
A
PROPOSED OUTLET PROTECTION
--.- ----
EXISTING STORM DRAINAGE PIPING
PROPOSED STORM DRAINAGE PIPING
— =
= PROPOSED TEMP. SLOPE DRAIN
❑
EXISTING STORM DRAINAGE STRUCTURE
Q
PROPOSED STORM DRAINAGE STRUCTURE
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Revisions date:10/08/13
TTumw G Lass= • ASeem= Pi. jab: 13146
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NC n , - N. C--a666 B�ieQ�
,. �, ,. drawn: JRF

Precipitation Frequency Data "'Oer 0 Page 1 of 4-
0 NOAA Atlas 14, volume 2, Version 3
Location name: Zirconia, North Carolina, US*
Coordinates: 35.2253,-82.4200
Elevation: 2008W
a
source: Gcogle Maps
POINT PRECIPITATION FREQUENCY ESTIMATES
G.M. Bonnin, D. Martin, B. Lin, T. Parzybok, id.Yekla, and D. Riley
NOAA, National Weather Service, Silver Sprirg, Maryland
PF tabular I PF graphical I Maps & aerials
PF tabular
{ADS -based point precipitation frequency estimates with 90% confidence intervals (in iticheslhour)1
Duration
Average recurrence interval(years)
1uo ZaD 5DD 1000
��-_ ����
4.69 5.58 6.65 7.46 8.52 9.31 10.1 10.9 12.012.8
5 min
(4.25-5.20)(5.05--6.18) 1 (6.01--7.34) 1 (6.72-8.23) (7.63-9.40) (8.30-10.3) (8.98-11.2) 1 (9.62-12.1) 1 (10.4-13.3) 1 (11.1-14.4)
3.74 4.46 5.32 5.96 6.79 7.42 8.05 8.66 9.47 10.1
10 min
(3.39-4.15)(4.04-4.94) (4.81-5.89) (5.35-6.59)(6,08-7.49) (6.61-6.20) (7.13-8.90) (7.63-9.61) (8.24-10.6) (8.71-11.3)
3.12 3.74 4.49 5.D3 5.74 6.2G 6.78 7.2$ 7.95 6.45
15-min
(2.82-3 46)(3.39-4.14) (4.05-4.96) (4.53-5.56) (5.14-6.33) (5.58-6.92) (6.01-7.50) (6.42-B.0B) (6.92-8,86) ( 7.29-9,47)
2,14 2.58 3.19r 3.64 4.25 4.71 5.19 5.67 6.32 6.84
30-min
(1.94-2 37)(2 34-2.86) (2.86-3.53) (3 28-4.02) (3.81-4.69) (4.20-5.21) (4.60-5 74) (4.99-6.29) (5,50-7.05 5.90-7.67)
) (
1-33 1.62 2.04 2.37 2.83 3.19 3.5$ 3.97 4.54 4.99
1i0 min
(1.21-1.48) (1.47-1.79) 1 (1,85-2.26) (2.14-2,62) (2.54-3.12) (2.85-3.53) 1 (317-3.96) (3.50-4.41) (3.95-5.06) (4.31-5.60)
0.784 0.952 1.20 1.39 1.67 1.90 2.14 2.40 2.77 3.07
2-hr
{0.710-0.8fiB} (D.863-1.45) (1.08-1.32) (1.26-1.54) (1.49-1.84) (1.69-2.09) 11 (1.89-2.36) (2.10-2.65) (2 39-3.08) (Z63-3,44)
0-571 0.689 0.862 1.01 1.22 1.39 1.58 1.79 2.09 2.35
3-hr
(D.517-0.634) (0.625-0.764) (0.780-0.956) (0.905-1.11) 1 (1.08-1.34) (1.23-1.54) 1 (1.39-1.75) (1.56-1.99) (1.60-2.34) (2.00-2.64)
0.376 0.451 0.557 0.647 0.779 0.892 i.02 1.15 1.36 1.53
6-hr
(0 .344-0A14) (0.412-0.496) (0.507-0 612) (0.587--0.711) (0.701-0.856) (0.797-0.981) (0.898-1,12) (1.01-1.27) (1.17-1.51 1.30-1.71
) ( )
0.240 0.288 0.355 0.409 0.487 0.551 0.620 0.694 Dsaz 0.894
12-hr
(0 .220-0.254) (0.264-0.316) (0.324-0 390) (0.372-0.449)(0.440-0.534) (0.496-D.605) {0.553-0.681) (0.614-0 766) {0.700-0.690) (0.771-0.997)
0.149 1 0.179 0.220 0.252 0.297 0,334 0.371 0.410 0.464 0.506
24-11r
{D .138-0,162} (0,166-0.194) (0.203-0.238) (0.233-0.273} (0 274-0.322) (0.306-0.361) (0.339-0.401) (0.372-0.444) (D.417-0.503) (0.452-0.549)
D.069 0.106 0.130 0.1480.174 0.194 0.215 0.237 0.266 F 0.289
2-day
{O.083-0.096) (0.099-0.115) (0.121-0.140) (0.137-0.159) (OA61-0.187) (0.179-0.209) (0.197-0.231)(0.215-0,255) (0.242-0.287) (0,261-0.313)
O.D63 0.076 0.091 0.104 0.120 0.134 0,147 0.161 0.180 0.195
3-day
(0 .059-0,068)(0,071-0.031)(0.085-0.098) (0.097-0.111) 10Al2-0.129) (0.124-0.143) (0.136-0.158)(0.148-0A73) (0.164-0.193) (0.177-0.210)
OA51 0.060 0.072 0.081 0.094 0.104 0.113 0.123 0.137 0.147
4-day
(0.047-0.054) (0.056-0.064)(0.067-0,077) (0.076-0.087) (0.088-0.100) (0.096-0.110) (0.105-0.121)(0.114-0.132) (0,125-0.146) (0.135-0.158)
0.034 0.040 0.048 0.054 0.063 0.070 0.07s 0.083 0.093 0.100
7-day r
(0.032-0,036) (0.038-0.043) (0.045-0.051) (0.051-o.0v8) (0.059-0.067) (0.065-0.074) (0.071-0.082) (0.077-0.089) (0.085-0.100) (D.091-0.106)
10 day 0.027 0.032 0.038 0.043 0.049 0.054 0A59 0.064 0.071 1 0.076
(D .025-0 029)(0,030-0,034)(0.036-0.040) (0,040-0.045) (0.046-0.052) (0.051-0.056) (0.0550 063) (0.060-0.069) (0.0650 076) (0.070-0.082)
0.018 O.D21 0.025 0.028 0.031 0.034 0.036 0.039 0.042 0.044
20 day
0
( .017--0 019) (0,020-0.023) (0.024-0.026) (0.026-0 029) (0.029-0.033)(0.032-O.D35) (0.034-0.038) (0.036-0.041) (0,039-0.044) (0.041-0.047)
0.015 0.017 0.620 0.022 O.D24 0.0260.028 1 0.029 0.031 0.032
30 c€ay
(0.014-0.016) (0.017--0.018) (0.019-0.021) (0.021--0.023)(0.023-0.025) (0.025-0.027) (0.026-0.029)(0.027-0,031) (0.029-0.033) (0.030-0.034)
0.013 0.015 0-0 1-7--11 0.018 0.020D.021 O.022 0.023 0.024 0.024
45-day
(0.012-0.013) (0.014-0.015) (0.016-0.017) (0.017-0.019) (0.019-0.020) (0.020-0.022) (0.021-0.023)(0.021-0.024) (0.022-0.025) (0,023-0,026)
0.011 0.013 0. 115 0. 116 0.017 -018 0.019 0.019 F D.020 00
.21
G0-day
(0 .D11-0.012) (0.013-0.D14) (0.014-0.015) (D.015-0.016) (0.016-0 018) (0.017-0.019) (0.018-0.020) (0.019-0.020) {0.019--0.021) (0.020--0.022)
Precipitation frequency (PF) estimates in this table are based on frequency analysis of partial duration series (PDS).
Numbers in 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 (Pfv1P) estimates and may be higher than currently valid PMP values.
Please refer to NOAA Atlas 14 document for more information.
Back to To
Iitip:l/hdsc.rnvs.rioaa.goo/hdsc/p[(is/l)Pcl _printpage.htmPlat=35.2253&ton=-82.4200&dLit Li... 9/19/2013

0 •
Design Bio-Retention Cell
Objective: Design a Rio -Retention Celt Cell No. I
Proj. Name: Tuxedo Paris
WGLA No. 13145
Location: Henderson County, North Carolina
Predevelopment Flow into Cell: Q=CIA (NCDENR BMP 3.2)
C= 0.63
0.22 acres Impervious C=0.9
0.18 acres Grass C=0.3
0.00 acres Woods C=0.2
I= 0.149 (NOAA Atlas 14, Volume 2, Version 3)
A= 0.40 acres 17,340 s.f.
Q= 0.038
Post Development Flow into Cell: Q=CIA (NCDENR BMP 3.2)
C= 0.65
0.23 acres Impervious C=0.9
0.17 acres Grass C=0.3
0.00 acres Woods C=0.2
I= 0.149 (NOAA Atlas 14, Volume 2, Version 3)
A= 0.40 acres 17,340 s. f.
Q= 0.038
Terminology: Q = Flow (CIS)
C = Runoff Coefficient
I = Rainrall Intensity (in/hr)
A = Area (acres)
Select Soil for Soil Media 85% Sand, 10% Fines, 5% Organic (By Volume)
Select Soil Depth
2 Use Sod
Size Underdrains (I"/Hr in Soil Media)
Total Bmp Volume = 1,018 ell, ft (See Water Quality Vol. Cal.)
Q= (Volume)(] "/1-1r)(ft/in)(Hr/3,600 sec)
Q= 0.28 crs
Factor of Safety: 2.5 (NCDENR 13MP 5.7)
Q= 0.71 cfs

0 0
Calculation Theoretical Diameter :
Dt= 16(((QxN)/(S^0.5))^0.375)
N= 0.011 (NCDEN R BMP 5.7)
S= 0.50% (NC DENR BM1-1 5.7)
Dt= 6.99 in
Therefore Use = 2-6" Pipes (NCDIINR "fable 5.1)
Calculation Draw Down Time:
Designed Ponding Depth = 12 in
Ponding Time = Ponding Depth x 1 "/I-lr Media
Ponding Time = 12 Hours O.K.
To 24" below Surface = 24" x I"/Hr Media
Time = 24 Hours O.K.
Total Draw Down Time = 36 Hours O.K.
Calculation Wil Release from Bio-Retention Underdrains:
Q= CdAq(2gh)
Q= (Basin Volume / 48 1-Ir)x(1 Hr/3,600 sec.)
Q= 0.0059 efs
Cd= 0.6 (NCDENR BMP 'liable 3-8)
g= 32.2 ft/sec2 (NCDENR BMP 3.5.2)
Flo= (Water Elev. - Centroid of Orifice)/3
Water Elev.= 2059 ft (NCDI-NR BMP 3.5.2)
Orifice Elev.= 2055 ft
FIo= 1.33 ft
A= 0.44 " Diameter
Therefore Orifice to be Used = 0.375 " Diameter 3/8 " Diameter
Check Draw Down Time :
A= 0.11 ill'
Q= 0.0043 cfs
Time = Total Basin Volume I Q
Time = 66.3 Hrs. O.K.

0
Calculation Clean Out:
Required =
CeII Surface Area =
Required =
Provided =
Check inlet Control Velocity:
'hype of Inlet =
V=
Rip Rap Forebay=
1/ AO s.f.
1257 s.f.
2
3
(NCDI NR BMP 12.3.6)
Sheet Flow
n/a (See Storm Drainage Calculation)
n/a
Calculation Outlet Control & Piping to Pass .100yr Storm:
Type of'Spillway= 4'x4' Conc. Box
Q= CIA
C= 0.65
l= 10.1 (NOAA Atlas 14, Volume 2, Version 3)
A= 0.40
Q= 2.61 efs
Check inlet Control:
Q= CwLI-I"1.5 (NCDI-NR BMP 3.5.1)
Cw= 3.0 (NCDLNR BMP Figure 3-2)
L= 16 ft
1-1= Q/(CwxH^1.5)
H= 0.142 ft 1 6/8 in.
Check Drainage Pipe:
Dt= 16(((QxN)/(S^0.5))^0.375)
N= 0.012 (HDP11)
S= 0.0050 ft/ft 0.5 %
Dt= 11.78 in
Therfore Use: Use 15" I-IDPE rr 0.50% Slope
References: (NCDENR 13MP MANUAL 2009)

WATER QUALITY VOLUME CALCULATION
William G. Lapsley & Associates
Project: Tuxedo Park
Date: 8/15/2013
Description: Stormwater BMP #1
Determine Runoff Volume (NCDENR BMP 3.3.1)
Rv=0.0S+0.9xtA
Drainage Area =
Impervious Area =
Impervious Fraction (I„) _
Rv =
0.40 (acres)
0.23 (acres)
0.575
V = 3630 x RI) x Rv x A (Volume to be controlled)
RD = runoff depth 1 (inches)
Required Volume V = 824 cf
Volume Provided V = 1,018 cf
wgla.com

• Permit Number:
(to be provided by DWD)
0�0� W ATFRQG
A� y 7
r /{ 4 ^ H
ik
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
BIORETENTION CELL SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part 111) most be printed, filled out and submitted along with all of the required information.
1. PROJECT INFORMATION
Project name
Tuxedo Park
Contact name
Marcus Janes
Phone number
[phone]
Date
October 22, 2013 T ��
Drainage area number
1
II. DESIGN INFORMATION
71
Site Characteristics
Drainage area
17,340 ft2
Impervious area
10,019 ft2
Percent impervious
57,8% %
Design rainfall depth
1.0 inch
Peak Flow Calculations
Is pre/post control of the 1-yr, 24-hr peak flow required?
Y (Y or N)
1-yr, 24-hr runoff depth
3,58 in
1-yr, 24-hr intensity
0.149 inlhr
Pre -development 1-yr, 24-hr peak flow
0,038 ft'Isec
Post -development 1-yr, 24-hr peak flow
0.038 ft'/sec
Pre/Post 1-yr, 24-hr peak control
0.000 ft'Isec
Storage Volume: Non -SA Waters
Minimum volume required
824.0 ft3
Volume provided
1'018.0 ft3
OK
Storage Volume: SA Waters
1.5" runoff volume
ft3
Pre -development 1-yr, 24-hr runoff
ft3
Post -development 1-yr, 24-hr runoff
ft3
Minimum volume required
0 It
Volume provided
ft3
Cell Dimensions
Ponding depth of water
12 inches
OK
Ponding depth of water
1.00 ft
Surface area of the top of the bioretention cell
1,258.0 f 1 2
OK
Length:
63 ft
OK
Width:
12 ft
OK
-or- Radius
ft
Media and Soils Summary
Drawdown time, ponded volume
12 hr
OK
Drawdown time, to 24 inches below surface
24 hr
OK
Drawdown time, total:
36 hr
In -situ soil:
Soil permeability
1.00 in/hr
OK
Planting media soil.
Soil permeabiiity
1.00 in/hr
OK
Soil composition
% Sand (by velume)
85%
OK
% Fines (by volume)
10%
OK
% Organic (by volume)
5%
OK
Total: 100%
Phosphorus Index (P-Index) of media
30 (unitless)
OK
Form SW401-8ioretention-Rev.8
June 25, 2010
Parts I and II. pesign Summary, Page 1 of 2

Ill, 7
L21-A
Permit Number:
(to be provided by r]WQ)
Basin Elevations
Temporary pool elevation
Type of bioretention cell (answer "Y" to only one of the two
following questions):
Is this a grassed cell?
Is this a cell with trees/shrubs?
Planling elevation (top of the mulch or grass sod layer)
Depth of mulch
Bottom of the planting media soil
Planting media depth
Depth of washed sand below planting media sail
Are underdrains being installed?
How many clean out pipes are being installed?
What factor of safety is used for sizing the underdrains? (See
BMP Manual Section 12.3.6)
Additional distance between the bottom of the planting media and
the bottom of the cell to account for underdrains
Bottom of the cell required
SHWT elevation
Distance from bottom to SHWT
Internal Water Storage Zone (IWS)
Does the design include IWS
Elevation of the top of the upturned elbow
Separation of IWS and Surface
Planting Plan
Number of tree species
Number of shrub species
Number of herbaceous groundcover species
Additional Information
Does volume in excess of the design volume bypass the
bioretention cell?
Does volume in excess of the design volume flow evenly distributed
through a vegetated filter?
What is the length of the vegetated filter?
Does the design use a level spreader to evenly d}stribute flow?
Is the BMP located at Least 30 feet from surface waters (50 feet if
SA waters)?
Is the BMP located at least 100 feet from water supply wells?
Are the vegetated side slopes equal to or less than 3:1?
Is the BMP located In a proposed drainage easement with access
to a public Right of Way (ROW)?
Inlet velocity (from treatment system)
Is the area surrounding the cell likely to undergo development in
the future?
Are the slopes draining to the bioretention cell greater than 20%?
Is the drainage area permanently stabilized?
Pretreatment Used
(Indicate Type Used with an "X" in the shaded cell)
Gravel and grass
(8 inches gravel followed by 3-5 ft of grass)
Grassed swale
Forebay
Other
2059.00 fmsl
Y (Y or N) OK
N (Y or N)
2058 fmsl
inches
2056 fmsl
2 ft
n ft
Y (Y or N)
3 OK
3 OK
1 ft
2055 fmsl
2053 fmsl
2 ft OK
N (Y or N)
fmsl
2058 It
0
0
Y (Y or N) OK
I
(Y or N)
fi
(Y or N) Show how flow is evenly distributed.
(Y or N) OK
—(Y or N) OK
(Y or N) OK
_(YorN)
1 ftlsec OK
_(Y or N) OK
(Y or N) OK
(Y or N) OK
X OK
Form SW401-Bioretention-Rev.8
,tune 25, 2010 Parts I and 11. Design Summary, Page 2 of 2

Design Bio-Retention Cell
Objective: Design a Bio-retention Cell Cell No. 2
Proj. Name: Cuxedo Park
WGLA No. 13145
Location: Henderson County, North Carolina
Predevelopment Flow into Cell: Q=CIA (NCDENIZ BMP 3.2)
C= 1,19
1.57 acres Inpervious C=0.9
0.09 acres Grass C=0.3
0.00 acres Woods C=0.2
1= 0.149 (NOAA Atlas 14, VOlUrne 2, Version 3)
A= 1.21 acres 52,708 s.£
Q= 0.215
Post Development Flow into Cell: Q=CIA (NCDENR BMP 3.2)
C= 0.66
0.73 acres Impervious C=0.9
0,48 acres Grass C=0.3
0.00 acres Woods C=0.2
I= 0.149 (NOAA Atlas 14, Volume 2, Version 3)
A= 1.21 acres 52,708 s.f.
Q= 0.119
Tel-minology: Q = Floe! (cfs)
C = Runoff Coefficient
I = RainFall Intensity (in/hr)
A = Area (acres)
Select Soil for Soil Media 85% Sand, 10% Fines, 5% Organic (By Volume)
Select Soil Depth
2 Use Sod
Size Underdrains (I "/I-lr in Soil Media)
Total lamp Volumc = 2,650 cu. ft (See Water Quality Vol. Cal.)
Q= (Volume)(] "/I-lr)(ft/in)(Flr/3,600 sec)
Q= 0.74 cfs
Factor of Safety: 2.5 (NCDENR BMP 5.7)
Q= 1.84 cfs

Calculation Theoretical Diameter :
Dt= 16(((QxN)/(S^0.5))^0.375)
N= 0.011 (NCDENR BMP 5.7)
S= 0.50% (NCDENR BMP 5.7)
Dt= 10.01 in
Therefore Use = 4-6" Pipes (NCDI?N R "fable 5.1)
Calculation ])raw Down Time
Designed Ponding Depth = 12 in
Podding Tine = Ponding Depth x I "/I-lr Media
Ponding Tine = 12 ]-lours O.K.
To 24" below Surface = 24" x 1 "/Hr Media
'Lime = 24 Hours O.K.
Total Draw Down Time = 36 HOW'S O.K.
Calculation Wq Release from Bio-Retention Underdrains:
Q= CdA�(2gh)
Q= (Basin Volunc / 48 1-1r)x(1 I-]r/3,600 sec.)
Q- 0.0153 cfs
Cd= 0.6 (NCDI-NR 13MP "fable 3-8)
g= 32.2 ft/sec2 (NCDENR BMP 3.5.2)
Ho= (Water Elev. - Centroid of'Orifice)/3
Water Elev.= 2055 ft (NCDENR BMP 3.5.2)
Orifice Elev.= 2051 ft
Ho= 1.33 ft
A= 0.71 " Diameter
Therefore Orifice to be Used = 0.625 " Diameter 5/8 " Diameter
Check Draw Down Time:
A= 0.31 in
Q= 0.0118 efs
Tine = Total Basin Volume / Q
Tine = 62.2 I-Irs. O.K.

Calculation Clean Out:
Required = 1 / 1,000 s.l'.
Cell Surface Area = 2768 s.l:
Required = 3
Provided = 5
(NCDENR BMP 12.3.6)
Check Inlet Control Velocity:
Type of Inlet = Vegetated Swale & Pipe
V= n/a (See Storm Drainage Calculation)
Rip Rap IAorebay= n/a
Calculation Outlet Control & Piping to Pass 100yr Storm:
'type ol' Spillway= 5'x5' Conc. Box
Q= CIA
C= 0.66
I= 10.1 (NOAA Atlas 14, Valume 2, Version 3)
A= 1.21
Q= 8.09 efs
Check Inlet Control:
Q= CwLH1,11.5 (NCDENR 13MP 3.5.1)
Cw— 3.0 (NCDENIZ BMP Figure 3-2)
L= 20 ft
1-1= Q/(CwxH^1.5)
I-1= 0.261 Yt 3 1 /8 in.
Check Drainage Pipe:
Dt= 16(((QxN)/(S^0.5))^0.375)
N= 0.012 (HDPE)
S= 0.0568 fitfft 5.68 %
Dt= 11.42 in
Therfore Use: Use 15" HDPE a 5.68% Slope
References: (NM NR BMP MANIA[., 2009)

WATER QUALITY VOLUME CALCULATION
William G. Lapsley & Associates
Project: Tuxedo Park
Date: 8/15/2013
Description: Stormwater BMP #2
Determine Runoff Volume (NCDENR BMP 3.3.1)
Rv-0.05+0.9x1A
Drainage Area =
Impervious Area =
Impervious Fraction 0A)
Rv =
1.21 (acres)
0.73 (acres)
0.603
0.593
V = 3630 x RI) x Rv x A (Volume to be controlled)
RD = runoff depth 1 (inches)
Required Volume V = 2,605 cf
Volume Provided V = 2,650 cf
wgla.com

WILLIAM G. LAPSLEY & ASSOCIATES, P.A.
CONSULTING ENGINEERS & LAND PLANNERS
NC License No: C-0556
214 N. King Street
Hendersonville, NC 28792
(828)b87-7177
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WILLIAM G. LAPSLEY & ASSOCIATES, P.A.
CONSULTING ENGINEERS & LAND PLANNERS
NC License No: C-0556
:.r 214 N. King Street
Hendersonville, NC 28792
[phone]
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Permit Number:
(to be provided by DWp)
OaO� W ATeR�G
®PA y 9
y C
-i
NCDENR Y
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
BIORETENTION CELL SUPPLEMENT
This form must be filled out, printed and submitted.
The required Items Checklist (Part 111) must be printed, filled out and submitted along with all of the required information.
I. PROJECT INFORMATION
Project name
Tuxedo Park
Contact name
Marcus Jones
Phone number
[phone]
Date
October 22, 2013
Drainage area number
2
III. DESIGN INFORMATION
Site Characteristics
Drainage area
52,708 ft2
Impervious area
31,798 ft2
Percent impervious
60.3% %
Design rainfall depth
1.0 inch
Peak Flow Calculations
Is pre/post control of the 1-yr, 24-hr peak flow required?
Y (Y or N)
1-yr, 24-hr runoff depth
3,58 in
1-yr, 24-hr intensity
0.149 inihr
Pre -development 1-yr, 24-hr peak flow
0.215 ft/sec
Post -development 1-yr, 24-hr peak flow
0,119 ft3lsec
Pre/Post 1-yr, 24-hr peak control
-0.096 ft/sec
Storage Volume: Non -SA Waters
Minimum volume required
2,605.0 it
Volume provided
2,650.0 ft3
OK
Storage Volume: SA Waters
1,5" runoff volume
ft3
Pre -development 1-yr. 24-hr runoff
ft3
Post -development 1-yr, 24-hr runoff
ft3
Minimum volume required
0 ft3
Volume provided
ft3
Cell Dimensions
Ponding depth of water
12 inches
OK
Ponding depth of water
1.00 ft
Surface area of the top of the bioretentlon cell
2,768.0 it
OK
Length:
45 ft
OK
Width:
38 ft
OK
-or- Radius
ft
Media and Soils Summary
Drawdown time, ponded volume
12 hr
OK
Drawdown time, to 24 inches below surface
24 hr
OK
Drawdown time, total:
36 hr
In -situ soil;
Soil permeability
12 inihr
OK
Planting media soil.,
Soil permeability
100 in/hr
OK
Soil composition
% Sand (by volume)
85%
OK
% Fines (by volume)
10%
OK
% Organic (by volume)
5%
OK
Total:
100%
Phosphorus Index (P-Index) of media
30 (unitless)
OK
Farm SW401-Bioretention-Rev.8
June 25, 2010
Parts I and [I. Design Summary, Page 1 of 2

Permit Number:
(to be provided by DWQ)
Basin Elevations
Temporary pool elevation
Type of bioretention cell (answer "Y" to only one of the two
following questions).
Is this a grassed ceil?
is this a cell with trees/shrubs?
Planting elevation (top of the mulch or grass sod layer)
Depth of mulch
Bottom of the planting media soil
Planting media depth
Depth of washed sand below planting media soil
Are underdrains being installed?
How many clean out pipes are being installed?
What factor of safety is used for sizing the underdrains? (See
BMP Manual Section 12.3.6)
Additional distance between the bottom of the planting media and
the bottom of the cell to account for underdrains
Bottom of the cell required
SHWT elevation
Distance from bottom to SHWT
Internal Water Storage Zone (IWS)
Does the design include IWS
Elevation of the top of the upturned elbow
Separation of IWS and Surface
Planting Plan
Number of tree species
Number of shrub species
Number of herbaceous groundcover species
Additional Information
Does volume in excess of the design volume bypass the
bioretention cell?
Does volume in excess of the design volume flow evenly distributed
through a vegetated filter?
What is the length of the vegetated filter?
Does the design use a level spreader to evenly distribute flow?
Is the BMP located a1 least 30 feet from surface waters (50 feet if
SA waters)?
Is the BMP localed at least 100 feet from water supply wells?
Are the vegetated side slopes equal to or less than 3:1?
is the BMP located in a proposed drainage easement wish access
to a public Right of Way (ROW)?
Inlet velocity (from treatment system)
Is the area surrounding the cell likely to undergo development in
the future?
Are the slopes draining to the bioretention cell greater than 20%?
Is the drainage area permanently stabilized?
Pretreatment Used
(Indicate Type Used with an "X' in the shaded cell)
Gravel and grass
(flinches gravel followed by 3-5 ft of grass)
Grassed swale
Farobay
other
2055.00 fmsl
Y (Y or N) OK
N (YorN)
2054 fmsl
inches
2052 fmsl
2 ft
0 ft
Y (Y or N)
5 OK
3 OK
1 ft
2051 fmsl
2049 fmsl
2 ft OK
N (Y or N)
fmsl
2054 ft
0
0
Y (Y or N) OK
(Y or N)
ft
N (Y or N) Show how flow is evenly distributed.
Y (Y or N) OK
Y (Y or N) OK
Y (Y or N) OK
(YorN)
2.7 fUsec Insufficient inlet velocity unless energy dissipating devices are
being used.
N (Y or N) OK
N (Y or N) OK
Y (Y or N) OK
X OK
X
Form SW401-Bioretention-Rev.8
June 25, 2010 Parts I and il, Design Summary, Page 2 of 2

. A 7LILA,
NC®ENR
North Carolina Department of Environment and Natural Resources
Division of Energy, Mineral, and land Resources
Tracy E. Davis, PE, CPM Pat McCrory, Governor
Director John E. Skvarla, III, Secretary
November 25, 2013
Mr. Marcus Jones
County Engineer
Henderson County
1 Historical Courthouse
Hendersonville, North Carolina 28792
Subject: Stormwater Permit No. SW1131102
Tuxedo Park
Dear Mr. Jones:
The Stormwater Program under the Division of Energy, Mineral, and Land Resources (DELMR],
received a complete Stormwater Management Permit Application For the subject project. Staff
review of the plans and specifications has determined that the project, as proposed, will comply
with the Stormwater Regulations set forth in Title 15A NCAC 2H.1000 and Session Law 2006-246.
We are forwarding Permit No. SW1131102, dated November 25, 2013 for the construction,
operation and maintenance of the subject project and the stormwater BMPs. This permit shall be
effective from the date of issuance until November 24, 2021 and shall be subject to the conditions
and limitations as specified therein, and does not supersede any other agency permit that may be
required.
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adjudicatory hearing by filing a written petition with the Office of Administrative
Hearings (OAH). The written petition must conform to Chapter 150B of the North Carolina General
Statutes. Per NCGS 143-215(e) the petition must be filed with the OAH within thirty (30) days of
receipt of this permit. You should contact the OAH with all questions regarding the idling fee (if a
filing fee is required) and/or the details of the filing process at 6714 Mail Service Center, Raieigh,
NC 27699-6714, or via telephone at 919-431-3000, or visit their website at www.NCOAH.com,
Unless such demands are made this permit shall be final and binding.
This project will be kept on file at the Asheville Regional Office. If you have any questions, or need
additional information concerning this matter, please contact Mike Randall at [phone], or
mike,[e-mail].
Sincerely, '>�
X?��
for Tracy E. Davis, PE, CPM, Director
cc: SW1131102 File, Asheville Regional Office
ec: William R. Buie, PE
Geological Survey Section - Land Quality Section
1612 Mail Service Center, Raleigh, North Carolina 27699-1612.919.707-9200 / FAX, 919-715-8801
512 North Salisbury Street, Raleigh, North Carolina 27604 • Internet: hitp:Nporlal.ncdenr.g&tlweb11r/
An Equal Opportunity I Affirmative Action Employer — 50% Recycled 110% Post Consumer Paper

F '
Me Stormwater Permit
Permit No. SW1131102
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
STATE STORMWATER MANAGEMENT PERMIT
In accordance with the provisions of Article 21 of Chapter 143, General Statutes of
North Carolina as amended, and other applicable Laws, Rules, and Regulations
PERMISSION IS HEREBY GRANTED TO
Henderson County
Tuxedo Park
NC Highway 225 and Tuxedo Street (SR 1121) in Henderson County
FOR THE
construction, operation and maintenance of two bio retention cells in compliance with
the provisions of Session Law 2006-246 and 15A NCAC 2H .1000 (hereafter referred to
as the "stormwater rules') and the approved stormwater management plans and
specifications and other supporting data as attached and on file with and approved by
the Division_of Water Quality and considered a part of this permit.
This permit shall be effective from the date of issuance until November 24,_2021, and
shall be subject to the following specified conditions and limitations: —
I. DESIGN STANDARDS
1. This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data.
2. The two bio retention cells are approved for the management of stormwater
runoff as described in the application documents and as shown on the approved
plans. - -
3. All stormwater collection and treatment systems must be located in either
dedicated common areas or recorded easements. The final plats for the project
will be recorded showing all such required easements, in accordance with the
approved plans.
4. The runoff from all built -upon area within the permitted drainage area of this
project must be directed into the permitted stormwater control system.
5. The built -upon areas associated with this project shall be located at least 30 feet
landward of all perennial and intermittent surface waters.
Page 1 of 4

® *State Stormwater Permit
Permit No. SW1131102
II. SCHEDULE OF COMPLIANCE
1. During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately.
2. The permittee shall at all time provide the operation and maintenance necessary
to assure the permitted two bio retention cells functions at optimum efficiency.
The approved Operation and Maintenance Plan must be followed in its entirety
and maintenance must occur at the scheduled intervals including, but not limited
to:
a. Semiannual scheduled inspections (every 6 months).
b. Sediment removal.
C. Mowing and re -vegetation of slopes and the filter strip.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans.
f. Debris removal and unclogging of all drainage structures, level spreader,
filter media, planting media, underdrains, catch basins and piping.
g. Access to the cell and outlet structure must be available at all times.
3. Records of maintenance activities must be kept for each permitted BMP. The
reports will indicate the date, activity, name of person performing the work and
what actions were taken.
4. The permittee shall submit an annual summary report of the maintenance and
inspection records for each bio retention cell. The report shall summarize the
inspection dates, results of the inspections, and the maintenance work
performed at each inspection.
5. The two bio retention cells shall be constructed in accordance with the approved
plans and specifications, the conditions of this permit, and with other supporting
data.
6. Upon completion of construction, prior to issuance of a Certificate of Occupancy,
and prior to operation of this permitted facility, a certification must be received
from an appropriate designer for the two bio retention cells certifying that the
permitted facility has been installed in accordance with this permit, the approved
plans and specifications, and other supporting documentation. Any deviations
from the approved plans and specifications must be noted on the Certification. A
modification may be required for those deviations.
7. If the stormwater system was used as an Erosion Control device, it must be
restored to design condition prior to operation as a stormwater treatment device,
and prior to occupancy of the facility.
8, The permittee shall submit to the Director and shall have received approval for
revised p!ans, specifications, and calculations prior to construction, for any
modification to the approved plans, including, but not limited to, those listed
below:
a. Any revision to any item shown on the approved plans, including the
stormwater management measures, built -upon area, details, etc.
b. Project name change.
C. Transfer of ownership.
d. Redesign or addition to the approved amount of built -upon area or to the
drainage area.
e, Further subdivision, acquisition, lease or sale of all or part of the project
area. The project area is defined as all property owned by the permittee,
for which Sedimentation and Erosion Control Plan approval was sought.
f. Filling in, altering, or piping of any vegetative conveyance shown on the
Page 2 of 4

Ote Stormwater Permit
Permit No. SW1131102
approved plan.
9. A copy of the approved plans and specifications shall be maintained on file by
the Permittee for a minimum of eight years from the date of the completion of
construction.
10. The Director may notify the permittee when the permitted site does not meet one
or more of the minimum requirements of the permit. Within the time frame
specified in the notice, the permittee shall submit a written time schedule to the
Director for modifying the site to meet minimum requirements. The permittee
shall provide copies of revised plans and certification in writing to the Director
that the changes have been made.
III. GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the Director.
In the event of a change of ownership, or a name change, the permittee must
submit a completed Name/Ownership Change form signed by both parties, to the
Division of Water Quality, accompanied by the supporting documentation. The
approval OT tnig'-request will be considered on its merits and may or may not be
approved.
2. The permittee is responsible for compliance with all permit conditions until such
time as the Division approves a request to transfer the permit.
3. Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to enforcement action by the Div'si ter Quality, in
accordance with North Carolina General Statute Z -2 0-215.6C.
4. The issuance of this permit does not preclude the Permittee from complying with
any and all statutes, rules, regulations, or ordinances, which may be imposed by
other government agencies (local, state, and federal) having jurisdiction.
5. In the event that the facilities fail to perform satisfactorily, including the creation
of nuisance conditions, the Permittee shall take immediate corrective action,
including those as may be required by this Division, such as the construction of
additional or replacement stormwater management systems.
6. The permittee grants DENR Staff permission to enter the property during normal
business hours for the purpose of inspecting all components of the permitted
stormwater management facility.
7. The permit issued shall continue in force and effect until revoked or terminated.
The permit may be modified, revolted and reissued or terminated for cause. The
filing of a request for a permit modification, revocation and re -issuance or
termination does not stay any permit condition.
8. Unless specified elsewhere, permanent seeding requirements for the stormwater
control must follow the guidelines established in the North Caroiina Erosion and
Sediment Control Planning and Design Manual.
9. Approved plans and specifications for this project are incorporated by reference
and are enforceable parts of the permit.
Page 3 of 4 .

i
laState Stormwater Permit
Permit No. SW1131102
10. The issuance of this permit does not prohibit the Director from reopening and
modifying the permit, revoking and reissuing the permit, or terminating the permit
as allowed by the laws, rules and regulations contained in Session Law 2006-
246, Title 15A NCAC 21-1.1000, and NCGS 143-215.1 et.al.
11. The permittee shall notify the Division in writing of any name, ownership or
mailing address changes at least 30 days prior to making such changes.
12. The permittee shall submit a renewal request with all required forms and
documentation at least 180 days prior to the expiration date of this permit.
Permit issued this the 25'" day of November, 2013.
�-�7 �- -)-;�
for Tracy E. Davis, P.., CPM
Director Division of Energy, Mineral, and Land Resources
Page 4 of 4

• z
Ote Stormwater Permit
Permit No, SW1131102
Tuxedo Park
Henderson County
Designer's Certification
I, , as a duly registered in the
State of North Carolina, having been authorized to observe (periodically/ weekly/
full time) the construction of the project,
(Project Name)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
Noted deviations from approved plans and specification:
Signature
Registration Number
Date
SEAL
CC' NCDENR-DEMLR Regional Office
Page 1 of 1

Herbert, Laura C
From: Randall, Mike
Sent: Tuesday, November 26, 2013 11:42 AM
To: Marcus Jones ([e-mail])
Cc: Will Buie ([e-mail]); Herbert, Laura C
Subject: Tuxedo Park Permit
Attachments: Tuxedo Park.pdf
Dear Mr. Jones:
The Stormwater Program under the Division of Energy, Mineral, and Land Resources (DELMR), received a
complete Stormwater Management Permit Application for the subject project. Staff review of the plans and
specifications has determined that the project, as proposed, will comply with the Stormwater Regulations set forth
in Title 15A NCAC 2H.1000 and Session Law 2006-246. We are forwarding Permit No. SW1131102, dated
November 25, 2013 for the construction, operation and maintenance of the subject project and the stormwater
BMPs. This permit shall be effective from the date of issuance until November 24, 2021 and shall be subject to the
conditions and limitations as specified therein, and does not supersede any other agency permit that may be
required.
Mike
919-807-6374