20070621 Ver 1_Stormwater Info_20070717

((g/f
estcatt
Engineering
onsulting, PC
Date: July 16, 2007
~7-O 1D~1
To: Division of Water Quality From: Michael B. Westcott, PE
NCDENR Westcott Engineering & Consulting, PC
401/Wetlands Unit 4015 Meeting Way
1650 Mail Service Center Suite 105
Raleigh, NC 27699-1650 High Point, NC 27265
We are sending you ®attached ^ under separate cover the following items:
^ Shop Drawings ^ Estimate ^ Disk
^ Prints ^ Specifications ®Other
^ Contracts ^ Copy of Letter
COPIES DRAWII~IG ND DESG~~~I DISgQS1TIE'11
1 Chamberlain Place Apartments Accidentally left off
Bio-Cell Information of previous
submittal ~~

REMARKS:
cc: File
s~ ~C~CQ ~~~ :.
~ ~.~ L._
~~ L`.:•
.I~! 1 7 2001
.~iw,;. vb~iEr.QUAUTY
NltTLar,0~; d, ~p STi)'~~;~yATER BRANGIi
-Sz ~ ~~
~~
4015 Meeting Way, Suite 105, High Point, NC 27265 Phone: [phone] Fax [phone]

Engineering
;consulting,
Date: June 27, 2007
~ ~~
To: Division of Water Quality From: Michael B. Westcott, PE
NCDNR Westcott Engineering & Consulting, PC
401/Wetlands Unit 4015 Meeting Way
1650 Mail Service Center Suite 105
Raleigh, NC 27699-1650 High Point, NC 27265
We are sending you ®attached ^ under separate cover the following items:
^ Shop Drawings ^ Estimate ^ Disk
® Prints ^ Specifications ®Other
^ Contracts ^ Copy of Letter

~ COPIES -~
I~R:1V1~`INU ~0 - -
L)L~.SCR1P"I`ION
UISPOSI"I-ION
7 Pre-Construction Notification For Approval
(PCN) Revised Application
Form for Golding Center Drive
Development (Chamberlain
Place)
7 Revised Copies of Impact Area For Approval
Drawings
5 Bio-cell Watershed Plans For Approval
5 Calculations For Approval
REMARKS:
Please do not hesitate to contact us if you have any questions or comments.
Thank you
cc: File
4015 Meeting Way, Suite 105, High Point, NC 27265 Phone: [phone] Fax [phone]

~-
>A
MAINTENANCE~REQUIREMENTS FOR BIORETENTIONAREAS
DESCRIPTION )METHOD FREQUENCY TIME OF YEAR
SOIL
INSPECT AND REPAIR VISUAL MONTHLY MONTHLY
I EROSION
ORGANIC LAYER
REMULCH ANY VOID AREAS BY HANG WHENEVER NEEDED WHENEVER NEEDED
REMOVE PREVl0U5 MULCH
LAYER BEFORE APPLYING BY NANO ONCE EVERY TWU OR SPRING

j NEW LAYER (OPTIONAL) THREE YEARS
ANY ADDITIONAL MULCH BY HAND ONCE A YEAR SPRING
~ ADDED
i
PLAN'T'S
i REMOVE AND REPLACEMENT SEE PLANTING S/15 TO 4/30 AND 70/i TO 71/30
. OF ALL OEAD~ANO DISEASED SPECIFlCATON
I VEGETATION CONSIDERED
BEYOND TREATMENT
TREAT ALL DISEASED TREES MECHANICAL N/A VARIES, DUT WILL DEPEND ON INSECT '
ANO SHRUBS OR BY HAND OR DISEASE INFESTATION
WAII]i OF PLANT MAlER1AL BY HAND IMMEDIATELY AFTER N/A
SHALL TAKE PLACE AT END COMPLETION OF
OF EACH OAY FOR 14 PRO~£CT
CONSECU'RVE DAYS ANO
AFTER PLANTING HAS BEEN
COMPLETED
REPLACEMENT OF SUPPORT BY HAND ONCE A YEAR ONLY REMOVE STAKE IN SPRING
STAKES
REPLACEMENT OF DEFlCIENT BY~HANO WHENEVER NEEDED WHENEVER NEEDED
STAKES OR WIRES
TINGS TO VISUAL/B AFTER PERIODS O
ENSURE THEY
REMAIN HEALTHY; REPLACE
HAND
PROLONGED WHENEVER NEEDED
AS NEEDEDVATH SIMILAR INUNDATION
PLANTS.
IF STORMWATER INUNDATES THE Bl0-CELL FOR MORE THAN 72 HOURS AFTER A
STORM EVENT THE BIO-CELL IS NOT FUNCTIONING AS INTENDED AND A
PROFESSIONAL ENGINEER SHALL BE CONSULTED FOR REMEDIAL PLANS. PLANS
SHALL BE FORWARDED TO THE GOVERNMENTAL OFFICE HAVING JURISDICTION FOR
WATERSHED PROTECIIOt~_FS)R .ARP.ROVAL.
The above information is true and correct to the best of my knowledge and belief and was provided by me
under oath. (This form must be signed by the financially responsible person if an individual, or if not an
individual, by an officer, director, partner or attorney-in-fact, or registered agent with authority to execute
instruments for the financially responsible party.). I agree to provide corrected information should there
be any change in the information provided herein.
(v ~l ~ ~ } J ~ -f?' ~t Q
Type or Prini~Name
>r
Signature
Title of Authority
Date
I> ~ S - `' l~L a Notary Public of the County of C,w~ State of North
Carolina, do hereby certify that ~jGu(Y~ ~ ~~~~ appeared personally before me
this day and being duly sworn acknowledged that the above form was executed by him.
Witness my hand and notarial seal, this aa~ day of _~ U~y~~- , 20 U~
Notary Public
My commission expires: ~ ~'D' ~b
T-

DWQ Project
DNISION OF WATERQUALITY - BK)RETENTION AREA WORKSHEET

I. PROJECT INFORMATION (please complete the following information):
Project Name : i'~hati,b<.- la, ,. ~p~. 4-me n is
Contact Person: rr1,~~1.a~ ~ t,~'1 e~tr~ a,}I.- Phone Number: (33L) ~rL - sstic.
For projects with multiple basins, specify which basin this worksheet applies to: ~ ~c Cr ii :xs-
Permanent Pool Elevation
Temporary Pool Elevation
.v/~ ft.
-aCi~i. Sty ft.
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
*~4.s4.}-r~ sq. ft.
C-~ , sL. ac.
ac.
C•5~
5.~
7.13 fps
i1.~16 in
~ (o' ft.
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
.~ . c~U in./hr. (the soil layer down to 4 feet)
(1,~ -d rc.,. in.lhr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. !f a
requirement has not been met, aftach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and ouflet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Aoolicants Initials
~NQ~~ No vertical sand bed is proposed
~~~a The Bioretention area is at least 40 feet by 15 feet.
~,~~ ,; Sheet flow is provided at inlet.
.;~1.v .,.> Water table depth is greater than 6 feet.
~w Minimum of 6" ponding is provided.
/1'IB~J The ponded area will draw down in less than 4 days.
~lS. / Planting soil infiltration rate is greater than 0.52 in/hr.
u~a : ~L-. ~ ~o,~, sreThe in-situ soil infiltration rate is greater than 0.2 in/hr.
.m.~:- A planting plan with species and densities is provided.
1776. v Mulch layer is speafied in plans.
,~Ylc4,.-~ Planting soil meets minimum soil specifications {NCDENR Stonnwater Best Management
Practices Manual, April 1999)
.~.8~ ~ Plan details for the Bioretention area provided.
.~a~J Plan details for the inlet and outlet are provided.
Est,,;, An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No.
DIVISION OF WATERQUALITY - BIORETENTION AREA WORKSHEET
f. PROJECT INFORMATION (please complete the following information):
Project Name : ~GrG,,~,b~ •-/w,;~ .~o~,-fir,~.r~s
Contact Person: /yJ,~ti~ ~ / L~ts}~~ ~ Phone Number: (~~~) ~! z -3 J. yG.
For projects with multiple basins, specify which basin this worksheet applies to: B-o ,(..~i/ ~
Permanent Pool Elevation
Temporary Pool Elevation
iv /~~ ft.
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
Bioretenfion Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
-`~.`~i~ sq. ft.
c~. ~ z_ ac.
ac.
~.a~
5.G
d . 8~ fps
.IG in
> t, ~ tt.
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o}
(the soil layer down to 4 feet)
/-'l„aI~~~%-..,.-., in.mr. (the soil layer below 4 feet or below the sand bed}
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. !f a
requirement has not been met, attach an explanafron of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design ca~ulations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substanfial{y delay final review and approval of the project.
Aaolicants Initials
,m.~3~ ~ No vertical sand bed is proposed
~ a ~~ The bioretention area is at least 40 feet by 15 feet.
_trl~s ~~ Sheet flow is provided at inlet.
~s~ ~.•~ Water table depth is greater than 6 feet.
~i~s~.~ Minimum of 6" ponding is provided.
~9tfGc~ The ponded area will draw down in less than 4 days.
/,r9~c/ Planting soil infiltration rate is greater than 0.52 infir.
G/n~r~c%.:. The in-situ soil infiltration rate is greater than 0.2 inlhr.
tee. ~ A planting plan with species and densities is provided.
.~-i ~. u Mulch layer is speafied irr plans.
~'~dk1 Planting soil meets minimum soil specifications (NCDENR Stomtwater Best Management
Practices Manual, April 1999)
,~,~.,a •v Plan details for the bioretention area provided.
.,a s ~~ Plan details for the inlet and outlet are provided.
/Llcf~ An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No
I. PROJECT
Project Name
DIVISION OF WATER QUALITY - BIORETENTtON AREA WORKSHEET
the following information):
Contact Person: /1~ c6~ / 1.L2~~ sL,.. ~ Phone Number. (?,iG) fri Z -~63"s/G
For projects with multiple basins, specify which basin this worksheet applies to: ,f~~o C i/ #3
Permanent Pool Elevation ~i / ~ ft. (elevation of the orifice invert out)
Temporary Pool Elevation ~ c,/. o i ft. (elevation of the outlet structure invert in)
Bioretention Surface Area ~~~~! sq. ft.
Drainage Area ! • ~' 3 ac. (on-site and off-site drainage to the basin)
Impervious Area ac. (on-site and off-site drainage to the basin)
Rational C Coefficient t~ - B~
Size % S % (either 5% in w/sand under drain or 7% in w/o)
Inlet Velocity 3 _3~ fps
Inlet flow depth S . ~ 5c in
Depth to Ground Water > c.' ft.
Planting Soil Infiltration Rate 5 , G, 5I in./hr. (the soil layer down to 4 feet)
In-Situ Soil Infiltration Rate j./:,~~ ~~,.., in.lhr. (the soil layer below 4 feet or below the sand bed)
REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substanfially delay final review and approval of the project.
Aaolicants Initials
iYl.6L' J No vertical sand bed is proposed
/~$zcJ The bioretention area is at feast 40 feet by 15 feet.
/J7E~CC~ Sheet flow is provided at inlet.
~.Cd~J Water table depth is greater than 6 feet.
/~d~ J Minimum of 6" ponding is provided.
!~~ The ponded area will draw down in less than 4 days.
s~~GJ Planting soil infiltration rate is greater than 0.52 in/hr.
l/~,d<; S.-ter;„ The in-situ soil infiltration rate is greater than 0.2 in/hr.
`rl6~ A planting plan with species and densities is provided.
~/•Bw Mulch layer is speafied in plans.
iylefw Planting soil meets minimum soil specifications (NCDENR Stomtwater Best Management
Practices Manual, April 1999)
i1~~ Plan details for the bioretention area provided.
~,cScJ Plan details for the inlet and outlet are provided.
~~w An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No,
DNISION OF WATERQUALITY - BIORETENTfON AREA WORKSHEET
I. PROJECT INFORMATION (please compete the following information):
Project Name : l~i,~„,1,Cr/a,;. ~j"//~.~.~rr,~„~s
Contact Person: /YJ. r~.u./ Gcks/~D•,(1~ Phone Number. (33v) &~t~
For projects with multiple basins, specify which basin this worksheet applies to: .C3 v f i/ ~ 5~
Permanent Pool Elevation N/f`~ ft. (elevation of the orifice invert out)
Temporary Pool Elevation ~ ~ S . s'u ft. (elevation of the outlet structure invert in)
Bioretention Surface Area / l2 ~ sq. ft.
Drainage Area p. ~ ac.
Impervious Area ac.
Rational C Coefficient ~, Bfl
Size % ~
inlet Velocity ~. ZP fps
Inlet flow depth ~. 'l~l in
Depth to Ground Water 7 lam' ft.
Planting Soil Infiltration Rate ~^•Cv~-/ in./hr.
In-Situ Soil lnfiltration Rate ~/.,/.../,-.~. ~ in.lhr.
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
(the soil layer down to 4 feet)
(the soil layer below 4 feet or below the sand bed)
II. REQUIRED ITEMS CHECKLIST
Initial in the space provided ro indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design ca~ulations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Aaplicants Initials
No vertical sand bed is proposed
/+»+8~~ The bioretention area is at least 40 feet by 15 feet.
/YlRLV Sheet flow is provided at inlet.
~~FS~~ Water table depth is greater than 6 feet.
/y1.6~ Minimum of 6" ponding is provided.
~d~ The ponded area will draw down in less than 4 days.
/y~,Bry Planting soil infiltration rate is greater than 0.52 in/hr.
Un~tidre. • ~ The in-situ soil infiltration rate is greater than 0.2 in/hr.
/1~Jd~ A planting plan with species and densities is provided.
rnd~ Mulch layer is specified in plans.
~~ Planting soil meets minimum mil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
d~d~J Plan details for the bioretention area provided.
~6~ Plan details for the inlet and outlet are provided.
.IlBc~u An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DIVISION OF WATERQUALITY - BIORETENTION AREA WORKSHEET
t. PROJECT INFbRMATION (please com lete the following information):
Project Name : t~a~berla~~ ~,atr-h'-~•~ ~5
Contact Person: YYI~~e%__ ~Jc~~+~-- Phone
For projects with multiple basins, specify which basin this worksheet applies to: l~,o Ce// ~` ~- ,
Permanent Pool Elevation N ~ ft. (elevation of the orifice invert out)
Temporary Pool Elevation ~~ i . a i ft. (elevation of the outlet structure invert in)
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
149a sq. ft.
!~. ~~ ac.
ac.
~~.Sv
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
G, _ `Sa fps
I t . ~`i in
~ c..' ft.
cry in.lhr
(the soil layer down to 4 feet)
-U,,,1~ .-,~~ •.., in.mr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanafton of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet stricture details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Aaolicants Initials
/ylD~ No vertical sand bed is proposed
iJ9B~~ The bioretention area is at least 40 feet by 15 feet.
/~''1E3u] Sheet flow is provided at inlet.
~,ScJ Water table depth is greater than 6 feet.
m.8 ~J Minimum of 6" ponding is provided.
~.d W The ponded area will draw down in less than 4 days.
U~~,/edr~ •.. Planting soil infiltration rate is greater than 0.52 inlhr.
n~dc.J The in-situ soil infiltration rate is greater than 0.2 inlhr.
/~Jd Gc~ A planting plan with species and densities is provided.
/y/d~J Mulch layer is specified in plans.
/t~,Bcv Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999}
islBu:~ Plan details for the bioretention area provided.
r+~6 w Plan details for the inlet and outlet are provided.
fit! w An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
I. PROJECT IN
Project Name
DIVISION OF WATERQUALITY - BK)RETENTION AREA WORKSHEET
(please complete the following information):
Contact Person: /J'/, cd,~.t / /rL7~-Sf~o,rL Phone Number. (~G) 8/z :~'"y'~
For projects with multiple basins, specify which basin this worksheet applies to: ,B a ~</i ~ 7
Permanent Pool Elevation
Temporary Pool Elevation
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
~ ,~ tt. (elevation of the orifice invert out)
~~e, g'/ fl. (elevation of the outlet stricture invert in)
~/~ S 7 sq. ft.
t •Sd`d ac. (on-site and off-site drainage to the basin)
ac. (on-site and off-site drainage to the basin)
~,~
S % (either 5°!° in w/sand under drain or 7% in w/o)
S'.3z- fps
7,r~ in
1 L' ft.
S. !o y in./hr. (the soil layer down to 4 feet)
lh~~. ~.-_•,• -, in./hr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanafion of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet stricture details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Aoolicants Initials
/~l,B~ No vertical sand bed is proposed
/l~,Ffc.~ The bioretention area is at least 40 feet by 15 feet.
~lBcu Sheet flow is provided at inlet.
~,d~u Water table depth is greater than 6 feet.
~~ Minimum of 6" ponding is provided.
/1lB~,.> The ponded area will draw down in less than 4 days.
/J~d.:~i Planting soil infiltration rate is greater than 0.52 in/hr.
Gle! a.!-~..~ The in-situ soil infiltration rate is greaterthan 0.2 in/hr.
~116scJ A planting plan with species and densities is provided.
~,6~ Mulch layer is specified in plans.
/~,A/-~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
~d<c~ Plan details for the bioretention area provided.
/~dw Plan details for the inlet and outlet are provided.
~i,B~ An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DNISION OF WATER QUALITY - BK)RETENTION AREA WORKSHEET
I. PROJECT INFbRMAT1ON (please complete the following information):
Project Name : Clnambr rla,-.-, ~v~ .
Contact Person: IM:c~I (~r~~n~l- Phone NuQmber. (3d~) ~/z -35'~/~
For projects with multiple basins, specify which basin this worksheet applies to: I~oce!/ tt ~
Permanent Pool Elevation .N~_ ft. (elevation of the orifice invert out)
Temporary Pool Elevation -7.s~. as ft. (elevation of the outlet structure invert in)
Bioretention Surface Area ~cr, 2 sq. ft.
Drainage Area b•s 7 ac. (on-site and off-site drainage to the basin)
Impervious Area ac. (on-site and off-site drainage to the basin)
Rational C Coefficient c~.~
Size % ~ % (either 5°!° in w/sand under drain or 7% in w/o)
Inlet Velocity 3 • ~S? fps
Inlet flow depth 3 . S(„ in
Depth to Ground Water ~ ~, ' ft.
Planting Soil Infiltration Rate S-, G,y in./hr. (the soil layer down to 4 feet)
In-Situ Soil Infiltration Rate l~~~i,-.lna. •~ in.lhr. (the soil layer below 4 feet or below the sand bed)
REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design ca~ulations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Applicants Initials
/n,Bcy No vertical sand bed is proposed
/JS,4~J The bioretention area is at least 40 feet by 15 feet.
~~ Sheet flow is provided at inlet.
/Y1,9iJ Water table depth is greater than 6 feet.
~~~ Minimum of 6" ponding is provided.
/tJ,A~ The ponded area wilt draw down in less than 4 days.
.iv~BsJ Planting soil infiltration rate is greater than 0.52 inmr.
G/~dir~ rte, rr The in-situ soil infiltration rate is greater than 0.2 in/hr.
~.B~J A planting plan with species and densities is provided.
~,8~ Mulch layer is specified in plans.
/~1,J° u~ Planting soil meets minimum soil specifications (NCDENR Stomtwater Best Management
Practices Manual, April 1999)
/~~9ccJ Plan details for the bioretention area provided.
.~,esJ Plan details for the inlet and outlet are provided.
~i,eu~ An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DNISION OF WATER QUALITY - BIORETENTfON AREA WORKSHEET
I. PROJECT INFbRMATION (please complete the following information}:
Project Name : t~v~w~lacita,ti 14p4-~
Contact Person: yvt. ~ i ~ ,~s(«1e- Phone Number. (~•) ~Z -35y~
For projects with multiple basins, specify which basin this worksheet applies to: f3~ccr li ~/D
Permanent Pool Elevation
Temporary Pool Elevation
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
.v/,~ ft.
751~.~5 ft.
~/ Y 7 sq. ft.
~ .~ z ac.
ac.
0."Xb
s °~°
~'.c*5' fps
U.3"7 in
~ ~.' ft.
S lc5~ in./hr
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
(the soil layer down to 4 feet)
/,G, /<. a/.-a. ~ in.lhr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stomtwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Applicants Initials
.~,3~..0 No vertical sand bed is proposed
/h,~.u The bioretention area is at feast 40 feet by 15 feet.
il2OrJ Sheet flow is provided at inlet.
~J~J Water table depth is greater than 6 feet.
_~.Bu:~ Minimum of 6" ponding is provided.
rt~,(~:c~ The ponded area will draw down in less than 4 days.
/~d~v Planting soil infiltration rate is greater than 0.52 in/hr.
Ll ~,~,-..... The in-situ soil infiltration rate is greater than 0.2 in/hr.
Bus A planting plan with species and densities is provided.
~B~v MuJch layer is specified in plans.
.~>,~cy Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
f9~,Brc) Plan details for the bioretention area provided.
~~~~ Plan details for the inlet and outlet are provided.
~Ylo~y An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DIVISION OFWATERQUALITY - BIORETENTION AREA WORKSHEET
PROJECT INFbRMATION (please complete the following information):
Project Name : ~ il~.n-M~crkf,n /~
Contact Person: IM,d...e.l ~r.~cs~iEt Phone Number.
For projects with multiple basins, specify which basin this worksheet applies to: B:au
Permanent Pool Elevation
Temporary Pool Elevation
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
~/~.~ ft.
7 fs'S. ~ b ft.
// i/3 sq. ft.
D . ~• ac.
ac.
c~.S~
S
2-
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o
Inlet Velocity 4 . r `1 fps
Inlet flow depth 3 . ~ S in
Depth to Ground Water > ~' ft.
Planting Soil Infiltration Rate :S,ca~/ in.lhr. (the soil layer down to 4 feet)
In-Situ Soil Infiltration Rate ~lnd,.~/,p, ., in.lttr. (the soil layer below 4 feet or below the sand bed)
REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Applicants Initials
M,Bt,IJ No vertical sand bed is proposed
~rfd,,•3 The bioretention area is at least 40 feet by 15 feet.
fy-6,,,~ Sheet flow is provided at inlet.
fs~B~ Water table depth is greater than 6 feet.
~.r~,6 c.a Minimum of 6" ponding is provided.
s?+B~u The ponded area will draw down in less than 4 days.
.'~,c3c.+J Planting soil infiltration rate is greater than 0.52 inmr.
/s~na~r~po. -, The in-situ soil infiltration rate is greater than 0.2 in/hr.
i'i1Bau A planting plan with species and densities is provided.
/hB~~ Mulch layer is specified in plans.
rh,dL~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
ir,~c•> Plan details for the bioretention area provided.
`iJd cJ Plan details for the inlet and outlet are provided.
i71,e?eJ An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that undeMrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DNISION OF WATERQUALITY - BIORETENTION AREA WORKSHEET
I. PROJECT INFbRMATION (please complete the following information):
Project Name : C`%hn„nh~.l~,,. Aroma
Contact Person: yr :~.~~ t~J~s4za~ Phone Number. j3~) ~~L-35~/G
For projects with multiple basins, specify which basin this worksheet applies to: Ig~ac~ 4 ~- t Z
Permanent Pool Elevation N//~ ft. (elevation of the orifice invert out)
Temporary Pool Elevation 7.; 3. sts ft. (elevation of the outlet structure invert in)
Bioretention Surface Area ~ yo Z sq. ft.
Drainage Area 1• S`t ac. (on-site and off-site drainage to the basin)
Impervious Area ac. (on-site and off-site drainage to the basin)
Rational C Coefficient n,Se+
Size % ..5' % (either 5% in w/sand under drain or 7% in w/o)
Inlet Velocity ~ • ~ 7 fps
Inlet flow depth S~, 24 in
Depth to Ground Water ? Ce ft.
Planting Soil Infiltration Rate ,~ . L- y in./hr. (the soil layer down to 4 feet)
In-Situ Soil Infiltration Rate ~./.~/~_•a~.~. ~ in.mr. (the soil layer below 4 feet or below the sand bed)
REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanafron of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Aoalicants Initials
~Yl,6c,J No vertical sand bed is proposed
/hB~~c.7 The bioretention area is at least 40 feet by 15 feet.
/1~,Bc~ Sheet flow is provided at inlet.
~~~ Water table depth is greater than 6 feet.
/hHcJ Minimum of 6" ponding is provided.
/~,6+-*~ The ponded area wiN draw down in less than 4 days.
/J~,Bu~ Planting soil infiltration rate is greater than 0.52 in/hr.
~.Gv~,alr~.., The in-situ soil infiltration rate is greater than 0.2 in/hr.
/~9i~J A planting plan with species and densities is provided.
/N,B~ Mulch layer is specified in plans.
~,6~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
/y1~ Plan details for the bioretention area provided.
~ll.B~ Plan details for the inlet and outlet are provided.
h+,Bia An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DIVISION OF WATERQUALITY - BIORETENTION AREA WORKSHEET
PROJECT INFORMATION (please complete the following information):
Project Name : flh,.~bcrt~; ti mks
Contact Person: IM;cI,.,~~ (,4„ c~F~4} Phone Number. (~G) biz -35~C ~
For projects with multiple basins, specify which basin this worksheet applies to: tgiv~ `~/ ~i3
Permanent Pool Elevation
Temporary Pool Elevation
/+/~,~ ft.
4b-7•t,G. ft.
(elevation of the orifice invert out)
(elevation of the outlet stricture invert in)
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
!~ 7 sq. ft.
U-~/~. ac.
ac.
~>°aG
~'. zs fps
~3 in
~ c, ft.
5'.G,r/ in./hr.
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
(the soil layer down to 4 feet)
(~~,,. ~ „-a. rv. in.lhr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. if a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design ca~ulations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Applicants Initials
~9©sv No vertical sand bed is proposed
~A~•~ The bioretention area is at least 40 feet by 15 feet.
~BtrJ Sheet flow is provided at inlet.
i!,k~it~ Water table depth is greater than 6 feet.
~B~d Minimum of 6" ponding is provided.
/~B~-~ The ponded area will draw down in less than 4 days.
/~,c4~y Planting soil infiltration rate is greater than 0.52 inlhr.
L1.aoti-,-~r.~.n The in-situ soil infiltration rate is greater than 0.2 in/hr.
~.~~c~ A planting plan with species and densities is provided.
~B~ Mulch layer is specified in plans.
~.& ~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
s~i,B•J Plan details for the bioretention area provided.
/j1d~~ Plan details for the inlet and outlet are provided.
/y!,®cv An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No.
DIVISION OF WATER QUALITY - BK)RETENTION AREA WORKSHEET
I. PROJECT INFbRMATION (please complete the following information):
Project Name : ~6~a~,~.~/a,~ /,•o/:
Contact Person: f// L~ / (.,l~t a~~..ri~ Phone Number. (33(ir) ir~2-3~'S~6
For projects with multiple basins, specify which basin this worksheet applies to: ,l~i~c// #i5/
Permanent Pool Elevation
Temporary Pool Elevation
N~ fl.
79G.oy ft.
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infihration Rate
REQUIRED ITEMS CHECKLIST
(d9 ~ sq. ft.
V.3a ac.
ac.
lr9. ~a
3 v fps
1 in
> v ft.
s,~,y in.lhr
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
(the soil layer down to 4 feet)
Lt.~le~.,~. in.llir. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanafron of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
No vertical sand bed is proposed
The bioretention area is at least 40 feet by 15 feet.
//~Li~~ Sheet flow is provided at inlet.
~~G~ Water table depth is greater than 6 feet.
.yl Minimum of 6" ponding is provided.
fyl i _ The ponded area will draw down in less than 4 days.
,//yl,~ic- Planting soil infiltration rate is greater than 0.52 inllir.
Glndt.2~rs• • ~- The in-situ soil infiltration rate is greater than 0.2 in/hr.
/~,L1c J A planting plan with species and densities is provided.
/yJ,Bic~ Mulch layer is specified in plans.
/1~x~iC~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
/~~J Plan details for the bioretention area provided.
s~>~~?~ Plan details for the inlet and outlet are provided.
r,~,Bc,J An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptahle in the Piedmont and Mountains

DWQ Project No.
DIVISION OF WATER QUALITY - BIORETENTION AREA WORKSHEET
PROJECT INFORMATION (please complete,~he following information):
Project Name
Contact Person:
Phone Number: (:~'~v) 8/Z ~~"'/r!o
For projects with multiple basins, specify which basin this worksheet applies to: ~o~// /f'-'
Permanent Pool Elevation
Temporary Pool Elevation
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
N,~q tt. (elevation of the orifice invert out)
~ ~~ .s°~ tt. (elevation of the outlet structure invert in)
i3bt3 sq. ft.
1 • `J ac. (on-site and off-site drainage to the basin)
ac. (on-site and off-site drainage to the basin)
b. s~
S' % (either 5% in w/sand under drain or 7% in w/o)
~ • 73 fps
'7. -7$ in
~ co ft.
5'.4.4/ in.lhr. (the soil layer down to 4 feet)
~l ,~ r~~4-`. ,~ in.mr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stomtwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Aoolicants Initials
/~l,Bc9' No vertical sand bed is proposed
f~~r,U The bioretention area is at least 40 feet by 15 feet.
~i~lt~ Sheet flow is provided at inlet.
i~9,c~cJ Water table depth is greater than 6 feet.
i~Br~~ Minimum of 6" ponding is provided.
L'ylBc~' The ponded area will draw down in less than 4 days.
~Bc-J Planting soil infiltration rate is greater than 0.52 inlhr.
L/r~~.-~r~, .:., The in-situ soil infiltration rate is greater than 0.2 in/hr.
~~L-~u~ A planting plan with species and densities is provided.
~l~9cJ Mulch layer is speafied in plans.
-
i7JBG~~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
fY~ig..~,~ Plan details for the bioretention area provided.
,19,8l~ Plan details for the inlet and outlet are provided.
I7~B~U An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No.
DNISION OF WATER QUALITY - BK)RETENTiON AREA WORKSHEET
I. PROJECT INFORMATION (please complete the following informafion):
Project Name : ~Gtmbc.-(a,r )a,v ~~
Contact Person: YN,'c1,e.~ i t t`~5~ra~ Phone Number: ~:33c.) b`iz-3syG
For projects with multiple basins, speaty which basin this worksheet applies to: L`~sotC// /~
Permanent Pool Elevation ~i ft. (elevation of the orifice invert out)
Temporary Pool Elevation 7 ~. Sb ft. (elevation of the outlet structure invert in)
Bioretention Surface Area I ~ Zv sq. ft.
Drainage Area 6.57 ac. (on-site and off-site drainage to the basin)
Impervious Area ac. (on-site and off-site drainage to the basin)
Rational G Coefficient D.~
Size % ~' % (either 5% in w/sand under drain or 7% in w/o)
Inlet Velocity 3 . ~ fps
Inlet flow depth 1 in
Depth to Ground Water > cp ft.
Planting Soil Infiltration Rate 5^. ~ y in./hr. (the soil layer down to 4 feet)
In-Situ Soil Infiltration Rate 1.(.~~,-dr,r.,.. in./hr. (the soil layer below 4 feet or below the sand bed)
REQUIRED ITEMS CHECKLIST
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outtet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
No vertical sand bed is proposed
The Bioretention area is at least 40 feet by 15 feet.
/~7.CS ry Sheet flow is provided at inlet.
/1~,Q~t,7 Water table depth is greater than 6 feet.
/~,Qu:~ Minimum of 6" ponding is provided.
f°'il~l~ The ponded area will draw down in less than 4 days.
/7'Bcc~ Planting soil infiltration rate is greater than 0.52 inlhr.
~,~~.>.~, The in-situ soil infiltration rate is greater than 0.2 in/hr.
f1ZQc.c..) A planting plan with species and densities is provided.
,~.Bc.J Mulch layer is specified in plans.
~,B u~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
f'hl~•~c~ Plan details for the Bioretention area provided.
iyiBcc~ Plan details for the inlet and outlet are provided.
/l1,B~:J An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No.
DNISION OF WATER QUALITY - BIORETENTION AREA WORKSHEET
PROJECT INFbRMAT1ON (please complete the following information):
Project Name : l ha~~lcx:r t'~~s
Contact Person: IM . tt~stzb~k Phone Number. (33c.) ~YZ ~3Sti/G.
For projects with multiple basins, specify which basin this worksheet applies to: ~~ c~ce // / 7
Permanent Pool Elevation
Temporary Pool Elevation
NfA
7L .S-.S~
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
~ 33`i sq. ft.
~~~r ac.
ac.
_(1,S`r~
S' °1°
3 fps
~' in
~r~ ft.
S. ~y inJhc
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
(the soil layer down to 4 feet)
U~~,d.-~.: ~ in.mr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional infom~ation and will substantially delay final review and approval of the project.
Aoolicants Initials
ihd~Gi~ No vertical sand bed is proposed
h9,Cdui The bioretention area is at least 40 feet by 15 feet.
_[~I,Cs'~~ Sheet flow is provided at inlet.
~J,BcJ Water table depth is greater than 6 feet.
I1~,B u: Minimum of 6" ponding is provided.
s~'/.B'-t) The ponded area wilt draw down in less than 4 days.
~.8~ Planting soil infiltration rate is greater than 0.52 in/hr.
Glr~a~Cr~.^.~,.,, The in-situ soil infiltration rate is greater than 0.2 in/hr.
/~1,c3 cJ A planting plan with species and densities is provided.
~B~+~ Mulch layer is specified in plans.
~,d~J Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
m,6~ y Plan details for the bioretention area provided.
~.B~c:J Plan details for the inlet and outlet are provided.
inB ~=~ An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No
DNISION OF WATER QUALITY - BIORETENTION AREA WORKSHEET
PROJECT INFORMATION
Project Name
Contact Person:
the following information):
Phone Number.
For projects with multiple basins, specify which basin this worksheet applies to: 't5 ,a <_~++ l ?!
Permanent Pool Elevation %+~/s~ ft. (elevation of the orifice invert out)
Temporary Pool Elevation 74g . ~~ ft. (elevation of the outlet structure invert in)
Bioretention Surface Area
drainage Area
Impervious Area
Rational C Coefficient
Size
I ~to9 sq. ft.
b ."75 ac.
ac.
.`a
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
to-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
3 fps
~ in
~ ~ ft.
5' . ~ y in./hr
(the soil layer down to 4 feet)
_LG.dCrd~-,~.r in.lhc (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. !f a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Aaolicants Initials
/2J•B~.v No vertical sand bed is proposed
~i~ ; The bioretention area is at least 40 feet by 15 feet.
rr~B~..~ Sheet flow is provided at inlet.
,rvr,~c~1 Water table depth is greater than 6 feet.
/hB~ ~ Minimum of 6" ponding is provided.
/Y~fl:.c~ The ponded area will draw down in less than 4 days.
/N.BcV Planting soil infiltration rate is greater than 0.52 in/hr.
. f lnrlrr~rA, ~ The in-situ soil infiltration rate is greater than 0.2 in/hr.
~,~~v A planting plan with species and densities is provided.
/1~BUJ Mulch layer is specified in plans.
s,~Bw Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
~B~~ Plan details for the bioretention area provided.
~i,®~~ Plan details for the inlet and outlet are provided.
An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DNISION OF WATER QUALITY - BIORETENTtON AREA WORKSHEET
PROJECT INFdRMATION (please complete the following information):
Project Name : ~i . s-/ .:. ~s
Contact Person: s~l.~cf~•Y. c./ (izi~s~«• ~ Phone Number. (.~~) ~/Z :3s~/G
For projects with multiple basins, specify which basin this worksheet applies to: B~ o «i/ /
Permanent Pool Elevation
Temporary Pool Elevation
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
~/,~+ ft. (elevation of the orifice invert out)
'7 ~~1- 5~ ft. (elevation of the outlet structure invert in)
1 ~b~ sq. ft.
o .~- ac. (on-site and off-site drainage to the basin)
ac. (on-site and off-site drainage to the basin)
C~i`8'f+
5' % (either 5°!° in w/sand under drain or 7% in w/o)
~ fps
i in
7 ~ ft.
S. Coy/ in.ihr. (the soil layer down to 4 feet)
,~~A«<~r~ ~.. in.lhr. (the soil layer below 4 feet or below the sand bed}
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. tf a
requirement has not been met, aftach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantial{y delay final review and approval of the project.
Aaolicants Initials
/h.~r.J No vertical sand bed is proposed
~y~,c7 The bioretention area is at feast 40 feet by 15 feet.
vr~~J Sheet flow is provided at inlet.
~Bz^-~ Water table depth is greater than 6 feet.
~.,~ u7 Minimum of 6" ponding is provided.
i~Bo•~ The ponded area will draw down in less than 4 days.
_~,~ci Planting soil infiltration rate is greater than 0.52 inlhr.
.an ,~~rc.,~ The in-situ soil infiltration rate is greater than 0.2 inihr.
~i,~.; A planting plan with species and densities is provided.
~~~ Mulch layer is speafied in plans.
,~r„9~~1 Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
,~8~ Plan details far the bioretention area provided.
/H+Bt.s~ Plan details for the inlet and outlet are provided.
~,~ v An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project
DIVISION OF WATER QUALITY - BIORETENTION AREA WORKSHEET
PROJECT INFQRMATION
Project Name
complete the following information):
Contact Person: ~1.°c~i~ e./ (iZi~-sf«•~,/ Phone Number. (.~U) ~/Z :3s~i~
For projects with multiple basins, specify which basin this worksheet applies to: ~•e ~•c i/ 2 ~'+
Permanent Pool Elevation
Temporary Pool Elevation
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
,~1/ f~ tt.
77Z. LAS tt.
12 ~i sq. ft.
b .'7 i ac.
ac.
C~, S~
S'
3 fps
5 in
~ ~ ft.
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
{on-site and off-site drainage to the basin}
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
~+ S ~ G- y in./hr. (the soil layer down to 4 feet)
~~~Q~~ ~~ :,. in.lhr. (the soil layer below 4 feet or below the sand bed)
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stormwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substantially delay final review and approval of the project.
Applicants Initials
.~~~~ No vertical sand bed is proposed
~1lc .7 The bioretention area is at least 40 feet by 15 feet.
r~6..~ Sheet flow is provided at inlet.
~n.~,J Water table depth is greater than 6 feet.
.~.El~y Minimum of 6" ponding is provided.
/~~y The ponded area will draw down in less than 4 days.
~~u~ Planting soil infiltration rate is greater than 0.52 inlhr.
Gf.JO~~ c/r1+.., The in-situ soil infiltration rate is greater than 0.2 in/hr.
~i.~i~:rJ A planting plan with species and densities is provided.
.~~ Mu1ch layer is speafied in plans.
n~.6u.-~ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
/yi4ccl Plan details for the bioretention area provided.
,yla ~ v Plan details for the inlet and outlet are provided.
,a~ ©~*~ An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains

DWQ Project No. 01 ' O l0 2 ~
DIVISION OF WATER QUALITY - BIORETENTION AREA WORKSHEET
PROJECT INFtSRMATION (please complete the following information}:
Project Name : _~Li~.y,~ry%<.:. f~~ ~~
Contact Person: /7~1.'cfr.: e-/ ~iZ;~s~«•,~/ Phone Number. I.~.~U) ,~/2 ~.3s'~%G
For projects with multiple basins, specify which basin this worksheet applies to: ~ ac~i/ zi
Permanent Pool Elevation
Temporary Pool Elevation
N/~ ft.
°~E,r'9.7, ft.
(elevation of the orifice invert out)
(elevation of the outlet structure invert in)
Bioretention Surface Area
Drainage Area
Impervious Area
Rational C Coefficient
Size
Inlet Velocity
Inlet flow depth
Depth to Ground Water
Planting Soil Infiltration Rate
In-Situ Soil Infiltration Rate
REQUIRED ITEMS CHECKLIST
LZS~ sq. ft.
t . 2(o ac.
ac.
c~. ~
3 fps
in
(e ft.
in./hr.
(on-site and off-site drainage to the basin)
(on-site and off-site drainage to the basin)
(either 5% in w/sand under drain or 7% in w/o)
(the soil layer down to 4 feet)
(~.,~~ar~-~: ~ in.lhr. (the soil layer below 4 feet or below the sand bed}
Initial in the space provided to indicate the following design requirements have been met and supporting documentation is attached. If a
requirement has not been met, attach an explanation of why. At a minimum, a complete stomtwater management plan submittal includes
a worksheet for each BMP, design calculations, plans and specifications showing all BMPs and outlet structure details, a detailed
drainage plan and a fully executed operation and maintenance agreement. An incomplete submittal package will result in a request for
additional information and will substanfially delay final review and approval of the project.
Applicants Initials
/y>.~'~:~ No vertical sand bed is proposed
r~ec v The bioretention area is at least 40 feet by 15 feet.
~l3cc~ Sheet flow is provided at inlet.
mt3'~ ~ Water table depth is greater than 6 feet.
~~ Minimum of 6" ponding is provided.
,~.a~~ The ponded area will draw down in less than 4 days.
.~~~:.~ Planting soil infiltration rate is greater than 0.52 inlhr.
G/h~/~.-.~r,~,, „ The in-situ soil infiltration rate is greater than 0.2 in/hr.
~c~-:~ A planting plan with species and densities is provided.
~,,a~v Mulch layer is specified in plans.
rrr~uJ Planting soil meets minimum soil specifications (NCDENR Stormwater Best Management
Practices Manual, April 1999)
,,,1~~y Plan details for the bioretention area provided.
.~8~ Plan details for the inlet and outlet an: provided.
~~.c. An operation and maintenance agreement signed and notarized by the responsible party is provided.
Please note that underdrains beneath the planting soil are acceptable in the Piedmont and Mountains