SW8080607_HISTORICAL FILE_20090720

PERMIT NO
DOC TYPE
DOC DATE
STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
SW8 OYO�001
❑ CURRENT PERMIT
❑ APPROVED PLANS
® HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
2ooq 01 2c)
YYYYMMDD
J

F"
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Coleen H Sullins
Governor Director
July 20, 2009
Woody Clookie, President
St James Fire Department, Inc
3628 St James Drive SE
Southport, NC 28461
Subject State Stormwater Permit No SW8 080607
St James Fire Station
High Density Commercial Infiltration Basin Project
Brunswick County
Dear Mr Clookie
Dee Freeman
Secretary
The Wilmington Regional Office received a complete State Stormwater Management Permit
Application for St James Fire Station on July 16, 2009 Staff review of the plans and
specifications has determined that the protect, as proposed, will comply with the Stormwater
Regulations set forth in Session Law 2006-246 and Title 15A NCAC 2H 1000 We are
forwarding Permit No SW8 080607 dated July 20, 2009, for the construction of the subject
protect
This permit shall be effective from the date of issuance until July 2, 2018, and shall be subject to
the conditions and limitations as specified therein Please pay special attention to the Operation
and Maintenance requirements in this permit Failure to establish an adequate system for
operation and maintenance of the stormwater management system will result in future
compliance problems
If any parts, requirements, or limitations contained in this permit are unacceptable, you have the
right to request an adtudicatory hearing upon written request within sixty (60) days following
receipt of this permit This request must be in the form of a written petition, conforming to
Chapter 150B of the North Carolina General Statutes, and filed with the Office of Administrative
Hearings, P O Drawer 27447, Raleigh, NC 27611-7447 Unless such demands are made this
permit shall be final and binding
If you have any questions, or need additional information concerning this matter, please contact
Kelly Johnson, or me at [phone]
Si
rely,
(Georgett cott
0
Stormwater Supervisor
Division of Water Quality
GDS/KPJ S\WQS\STORMWATER\PERMIT\080607MOD tul09
cc John Beroset, Coastal Land Design
Brunswick County Building Inspections
Jeff Phillips, Brunswick County Engineering
Wilmington Regional Office
Central Files
Wilmington Regional Office
127 Cardinal Drive Extension Wilmington North Carolina 28405 One
Phone [phone] FAX [phone] Customer Service 1 877-623 6748 NOIthCarolina
Internet wvrw ncwalerquality, org JVaturatly
An Equal Opportunity 1 Affirmative Action Employer

State Stormwater Management Systems
Permit No SW8 080607
STATE OF NORTH CAROLINA
DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES
DIVISION OF WATER QUALITY
STATE STORMWATER MANAGEMENT PERMIT
HIGH DENSITY DEVELOPMENT
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
Woody Clookie & St James Fire Department, Inc
St James Fire Station
3628 St James Drive SE, Southport, Brunswick County
FOR THE
construction, operation and maintenance of two infiltration basin(s) 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 July 2, 2018, and shall be
subject to the following specified conditions and limitations
I DESIGN STANDARDS
This permit is effective only with respect to the nature and volume of stormwater
described in the application and other supporting data
2 This stormwater system has been approved for the management of stormwater
runoff as described in Section 18 on page 3 of this permit The stormwater
controls have been designed to handle the runoff from a total of 68,324 square
feet of impervious area Infiltration basins 1 and 2 have been designed to handle
14,208 and 54,116 square feet of impervious area, respectively
3 Infiltration basin 2 must be operated with a 30 foot vegetated filter
4 The tract will be limited to the amount of built -upon area indicated in Section 18
on page 3 of this permit, and as shown on the approved plans
5 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
The runoff from all built -upon area within the permitted drainage area of this
project must be directed into the permitted stormwater control system
Page 2 of 8

State Stormwater Management Systems
Permit No SW8 080607
7 The built -upon areas associated with this project shall be located at least 30 feet
landward of all perennial and intermittent surface waters
8 The following design criteria have been permitted for the infiltration basin and
must be provided and maintained at design condition
Basin 1
Basin 2
a Drainage Area, acres
056
235
Onsite, ft
24,490
102,491
Offsite, ft
none
none
b Total Impervious Surfaces, ft
14,208
54,116
c Design Storm, inches
30
1 5
d Basin Depth, ft
40
1 75
e Bottom Elevation, FMSL
260
2475
f Bottom Surface Area, ftz
251
3,404
Bypass Weir Elevation, FMSL
300
265
h Permitted Storage Volume, ft
3,515
7,185
1 Type of Sod
Fine Sand
Fine Sand
Expected Infiltration Rate, in/hr
100
100
k Seasonal High Water Table, FMSL
235
220
1 Time to Draw Down, days
070
010
m Receiving Stream/River Basin
Beaverdam Creek / Cape Fear
n Stream Index Number
18-88-9-1- 0 5
o Classification of Water Body
SC, Sw, HQW
II SCHEDULE OF COMPLIANCE
The stormwater management system shall be constructed in its entirety,
vegetated and operational for its intended use prior to the construction of any
built -upon surface
During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately
The permittee shall at all times provide the operation and maintenance
necessary to assure the permitted stormwater system 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 Mowms and revegetation of slopes and the vegetated filter
d Immediate repair of eroded areas
e Maintenance of all slopes in accordance with approved plans and
specifications
f Debris removal and unclogging of bypass structure, infiltration media, flow
spreader, catch basins, piping and vegetated filter
g A clear access path to the bypass structure must be available at all times
4 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
Page 3 of 8

State Stormwater Management Systems
Permit No SW8 080607
5 The permittee shall submit to the Division of Water Quality an annual summary
report of the maintenance and inspection records for each BMP The report
shall summarize the inspection dates, results of the inspections, and the
maintenance work performed at each inspection
6 The facilities shall be constructed as shown on the approved plans This permit
shall become voidable unless the facilities are constructed in accordance with
the conditions of this permit, the approved plans and specifications, and other
supporting data
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 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 system installed 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
9 Access to the stormwater facilities shall be maintained via appropriate
easements at all times
10 The permittee shall submit to the Director and shall have received approval for
revised plans, 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 or a CAMA
Major permit was sought
f Filling in, altering, or piping of any vegetative conveyance shown on the
approved plan
11 The permittee shall submit final site layout and grading plans for any permitted
future areas shown on the approved plans, prior to construction
12 A copy of the approved plans and specifications shall be maintained on file by
the Permittee for a minimum of ten years from the date of the completion of
construction
13 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
Page 4 of 8

State Stormwater Management Systems
Permit No SW8 080607
III GENERAL CONDITIONS
This permit is not transferable to any person or entity 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
to the Division of Water Quality, signed by both parties, and accompanied by the
appropriate documentation as listed on page 2 of the form The approval of this
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 the transfer request
3 Failure to abide by the conditions and limitations contained in this permit may
subject the Permittee to enforcement action by the Division of Water Quality, in
accordance with North Carolina General Statute 143-215 6A to 143-215 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 fad 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, revoked and reissued or terminated for cause The
filing of a request for a permit modification, revocation and reissuance or
termination does not stay any permit condition
8 Unless specified elsewhere, permanent seeding requirements for the stormwater
controls must follow the guidelines established in the North Carolina 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
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 2H 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 permit renewal application at least 180 days prior to
the expiration date of this permit The renewal request must include the
appropriate documentation and the processing fee
Page 5 of 8

State Stormwater Management Systems
Permit No SW8 080607
Permit issued this the 20th day of July 2009
NORTH CAROLINA ENVIRONMENTAL MANAGEMENT COMMISSION
Division of Water Quality
By Authority of the Environmental Management Commission
Page 6 of 8

State Stormwater Management Systems
Permit No SW8 080607
St James Fire Station
Stormwater Permit No SW8 080607
Brunswick 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)
for (Protect Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the protect
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications
The checklist of items on page 2 of this form is included in the Certification
Noted deviations from approved plans and specification
Signature
Registration Number
Date
SEAL
Page 7 of 8

State Stormwater Management Systems
Permit No SW8 080607
Certification Requirements
1 The drainage area to the system contains approximately the permitted
acreage
2 The drainage area to the system contains no more than the permitted
amount of built -upon area
3 All the built -upon area associated with the project is graded such that the
runoff drams to the system
4 All roof drams are located such that the runoff is directed into the system
5 The bypass structure weir elevation is per the approved plan
6 The bypass structure is located per the approved plans
7 A Trash Rack is provided on the bypass structure
8 All slopes are grassed with permanent vegetation
9 Vegetated slopes are no steeper than 3 1
10 The inlets are located per the approved plans and do not cause short-
circuiting of the system
11 The permitted amounts of surface area and/or volume have been
provided
12 All required design depths are provided
13 All required parts of the system are provided
14 The required system dimensions are provided per the approved plans
cc NCDENR-DWQ Regional Office
Brunswick County Building Inspections
Page 8 of 8

k _ DWQ USE ONLY a
Date Received
Fee Paid
Permit Number
State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FOI M
This form may be photocopied for use as an original 0 4 2009
By
I GENERAL INFORMATION
1 Applicants name (specify the name of the corporation, individual, etc who owns the project)
St Tames Fire Department, Inc
2 Print Owner/Signmg Official's name and title (person legally responsible for facility and compliance)
Woody Clookie, President of St Tames Fire Department, Inc
3 Mailing Address for person listed in item 2 above
City Southport State NC Zip 28461
Phone (910 ) 253 - 9990 Fax (910 ) 253 - 9991
Email beroset@atmc net
4 Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc )
5 Location of Project (street address)
City Southport County NC Zip 28461
6 Directions to project (from nearest major mtersection)
Approximately 14 miles South along St Tames Drive SE from the intersection of N C Highway 211 and
St Tames Drive SE Project is located on the West side of St Tames Drive SE
7 Latitude 330 56' 35" N Longitude 78' 05' 39' W of project
8 Contact person who can answer questions about the project
Name John Beroset Telephone Number (910 ) 231- 8905
Email beroset@atmc net
II PERMIT INFORMATION
1 Specify whether project is (check one)
❑New
❑Renewal ®Modification
Form S WU-101 Version 09 25 08 Page 1 of 4

Y
2 If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit numberSW8 080607 and its issue date (if known)07/02/2008
3 Specify the type of project (check one)
❑Low Density ®High Density ❑Redevelop ❑General Permit ❑Universal SMP ❑Other
4 Additional Project Requirements (check applicable blanks, information on required state permits can be
obtained by contacting the Customer Service Center at 1-877-623-6748)
❑CAMA Major ®Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Industrial Stormwater
III PROJECT INFORMATION
1 In the space provided below, summarize how stormwater will be treated Also attach a detailed narrative
(one to two pages) describing stormwater management for the project
Stormwater is treated by two (2) mfdtrahon basins Please refer to the project information section on page 2a, that
is included with this application, for the overall site impervious Infiltration basins #1 and #2 correspond to
drainage basins #1 and #2, respectively
2 Stormwater runoff from this project drains to the Cape Fear River basin
3 Total Property Area 4 018 acres 4 Total Coastal Wetlands Area 0 acres
5 Total Property Area (3) - Total Coastal Wetlands Area (4) = Total Project Area** 4 018 acres
6 (Total Impervious Area / Total Project Area) X 100 = Project Built Upon Area (BUA) 40 66 %
7 How many drainage areas does the project have?2
8 Complete the following information for each drainage area If there are more than two drainage areas in the
project, attach an additional sheet with the information for each area provided in the same format as below
For high density projects, complete the table with one drainage area for each engineered stormwater device
Basin Information L
Drainage Areal
i Drainage Area 2
Receiving Stream Name
Beaverdam Creek
Beaverdam Creek
Stream Class & Index No
SC,Sw,HQW 18-88-9-1-(0 5)
SC,Sw,HQW 18-88-9-1-(0 5)
Total Drainage Area (so
24,490
102,491
On -site Drainage Area (so
24,490
102,491
Off -site Drainage Area (so
-0-
-0-
Existing Impervious* Area (so
14,208
54,116
Proposed Impervious*Area (so
-0-
-0-
% Impervious* Area (total)
58 02%
52 80%
Impervious* Surface Area
Diamage Areal
Drainage Area 2'
On -site Buildings (so
-0-
11,188
On -site Streets (so
-0-
-0-
On-site Parking (so
14,208
42,928
On -site Sidewalks (so
-0-
-0-
Other on -site (so
-0-
-0-
Off-site (so
-0-
-0-
Total (so
14,208
54,116
* Impervious area is defined as the built upon area including, but not limited to, buildings, roads, parking areas,
sidewalks, gravel areas, etc
**Total project area shall be calculated to exclude Coastal Wetlands from use when calculating the built upon area
percentage calculation This is the area used to calculate overall percent project built upon area (BLIA)
Form SWU-101 Version 09 25 08 Page 2 of

Table III 9 Supplement of Form SWU-101 Version 03 27 08 on Page 2 of 4
Basin Information
Overall Property Boundary
Receiving Stream Name
Beaverdam Creek
Stream Class & Index No
SC,Sw,HQW 18-88-9-1-(0 5)
Total Drainage Area (sf)
175,035
On -Site Drainage Area (so
175,035
Off -Site Drainage Area (s
-0-
Existing Impervious Area* (so
71,163
Proposed Impervious Area* (sf)
-0-
% Impervious Area (total)
40 66 %
Impervious* Surface Area
Overall Property Boundary
On -site Buildings (sf)
11,188
On -site Streets s
-0-
On-site Parkin(sf)
58,679
On -site Sidewalks (so
1,296
Other on -site s
-0-
Off site
-0-
Total (sf)
71,163
* Impervious area is defined as the built upon area including but not limited to buildings, roads parking areas
sidewalks gravel areas etc
Form SWU-101 Version 03 27 08 Page 2a of

9 How was the off -site impervious area listed above derived?There is no off -site impervious for either basin
Projects in Union County Contact the DWQ Central Office staff to check to see tfyou project is located
within a Threatened & Endangered Species watershed that may be subject to more stringent stormwater
requirements
IV DEED RESTRICTIONS AND PROTECTIVE COVENANTS
One of the following property restrictions and protective covenants are required to be recorded for all
subdivisions, outparcels and future development prior to the sale of any lot If lot sizes vary significantly, a table
listing each lot number, size and the allowable built -upon area for each lot must be provided as an attachment
Forms can be downloaded from http //h2o enr state nc us/su/bmp forms him - deed restrictions
Form DRPC-1
High Density Commercial Subdivisions
Form DRPC-2
High Density Developments with Outparcels
Form DRPC-3
High Density Residential Subdivisions
Form DRPC-4
Low Density Commercial Subdivisions
Form DRPC-5
Low Density Residential Subdivisions
Form DRPC-6
Low Density Residential Subdivisions with Curb Outlets
By your signature below, you certify that the recorded property restrictions and protective covenants for this
project shall include all the applicable items required in the above form, that the covenants will be binding
on all parties and persons claiming under them, that they will run with the land, 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
V SUPPLEMENT FORMS
The applicable state stormwater management permit supplement form(s) listed below must be submitted for each
BMP specified for this project Contact the Stormwater Permitting Unit at [phone] for the status and
availability of these forms Forms can be downloaded from http //h2o enr state nL us/su/bmp forms htm
Form SW401-Low Density
Form SW401-Curb Outlet System
Form SW401-Off-Site System
Form SW401-Wet Detention Basin
Form SW401-Infiltration Basin
Form SW401-Infiltration Trench
Form SW401-Bioretention Cell
Form SW401-Level Spreader
Form SW401-Wetland
Form SW401-Grassed Swale
Form SW401-Sand Filter
Form SW401-Permeable Pavement
Form SW401-Cistern
Low Density Supplement
Curb Outlet System Supplement
Off -Site System Supplement
Wet Detention Basin Supplement
Infiltration Basin Supplement
Underground Infiltration Trench Supplement
Bioretention Cell Supplement
Level Spreader/Filter Strip/Restored Riparian Buffer Supplement
Constructed Wetland Supplement
Grassed Swale Supplement
Sand Filter Supplement
Permeable Pavement Supplement
Cistern Supplement
Form SWU-101 Version 09 25 08 Page 3 of 4

VI SUBMIT-IAI RLQUIRLMLNI'S
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 1 he complete application package should be
submitted to the appropriate DWQ Office (Appropriate office may be found by loc iting proli-0 on the
IntcracUve online map at hup //h2o enr slate nc us/su/nisi nI Ips Iltm)
Please Indicate that you have provided the tollo%%rill; required Information b% InItlalnlg In the spue provided
nc\1 to each item
hvtlals
• U+t�nta! and our cope/ of the $toimn �h 1 Managunuri I'ci nut Application I on» J�--
Ungnad mid on, copq of the Deed RcStrietiorn & Prolecln e Covenants I m n1 (tf
tupineda%ptl Pail ivabom)
Uri�mal of the applicable Supplement I of nI(s) and OA\1 agrcunent(s) for each B\IP J14Z.
• I'e unit application processntf; lee of b50i (C\press $4,000 for I ID $2 000 for LD)
payahk to NCI)LNR sf�•
• (altldltlOIIS & dclailed narrative description of slonn%%atet trc itmutt/management J(liC,
• Copv of nnv ipplic iblt sods ry,ort
• I %%o u,pics OI plans and spett6calioM (se Ilcd slj;ned dr %hied), lneluding
- Development/Project name
- engineer and firm
Lcgu d
- North arro%%
Se a k
- Revision number & date
- Mr an high %% tier hilt
- Dune nsnmt d prolit It%/Inoµv I boundalt
- I oe ahon map a lilt nano d strr ON Or NCSR nunihe rs
011g111a1 contours propose d e ontours spot a Icvatiuns 11111%fit'd floor 1 levafioils
- DOMIS of roads dnunagc IL lttlrc% Lotlecln,n s%steois And stor neater control nuauucs
1Vc If Inds delnicaled or a note on plans that none evst
- 1:\Isting drainage (ine ludnig oft -site) drainage cisenlenls pipe sizes runott C.rludalluns
- Drauiagc ircas dehmatcd
- Ve gc0th d bultcn (%%here reslurred)
VII ACCNTAUTIIORIZA910N
If you 1%ish to clesignele aulhmlt\ to ano(hu uuln idual Or firm so that fill % nia% provide mloinialion un your
behalf (sue h as additional information nqm sts) life ase eoniplt it This scchon (c\ &corning ( ngnur I or hi 111)
Dcsignaled agutt (indrvldual or firm) Coastal I and Design, Pf.I.0
flailing Address P O Bo\ 1172
Cit\ Wilmington State NC 71p28402
I'honc (910 ) 254 - 9-144 1 av (910 1 154 - 051t^_
Linad net
Vill APPI )CAN I'S Cl ItMICATION
1, (punt of type nano of Person lrhd III CI ❑oral Infininahan dart 2) I \4a dij Cloodrt Ibt,ident
ccrtity th it the mlot matron included on tills pernut applic ition tot nI Is to the best of 111% Kilo%%ledge correct and
that the. project %%dl be %onstruUc.d nt conform incc. i%ilh the ipproved plans that the required cleul resti ie lions
and I,ro1CttivC Lewin vlts %%ill be rexorded, and that the propOsed projccl comph%s %%ith lht respnronlults of 15A
\CAC 211 1000
Sigmlu rc w
I orm 1,WU 101 Version 09 25 08 face 4 of 4
D,te (0/2/04

coastal Land Design. PLLC
Cn d Lngmeenne / I andscipe Architecture / Construction Mattag�ment
P 0 Box 1172 Phonc 910 254 9333
W tlrnmeton, NC 28402 lax 910-254 0502
July 29, 2009
NCDENR — Division of Water Quality
Wilmington Regional Office
127 Cardinal Drive Extension
Wilmington, NC 28405
Arm Linda Lewis
Re St James Fire Station Designer's Certification (SW8 080607-Modification)
Dear Ms Lewis
The St James Fire Station expansion project is complete Please see the attached Designer's
Certification included with this response
Thank you,
Jay Carmine, PE
M.
JUL 3 12009
200 12 Ltr to Linda Designers Certification doc
Page 1 of 1

Johnson, Kelly
From Coastal Land Design [ckibler@coastallanddesign net]
Sent Thursday, July 16, 2009 2 39 PM
To Johnson, Kelly
Subject st fames fire station SW8 080607
Attachments Document pdf
Please open the attached document This document was digitally sent to you using an HP
Digital Sending device

Fax Transmittal
To
Kelly Johnson
Fax
(910) 350 - 2004
rrom
Jay Carmine
CC
rile
Re
St Tames Fire Station RFI (SW 8 080607)
Pa. -es
2 (Including This Sheet)
Date
16-July-2009
Job 9
200-12
1F YOU DO NOT RECEIVF 1111S DOCUMENT CLEARLY Pt EASE CALL [phone]
❑ This is your ongmal ❑ Origm.tl to k marled
Dear Ms Johnson,
We have modified the table under the Infiltration Basin 92 Capacity per your request for additional
mtormatton dated July 13, 2009, to ietlect the surface area and storage, volumes for cle,vatton 26 50 The
respective volume is 7 185ef and the surface area 1s 4,722sf
Please feel free to contact me should you have any questions or concerns Thank you for discussing this
project with me over the phone
Carmine, P E

Infiltration Basin #2 Capacity
F
FC`IT TVEDJUL ] 6 2009g
Contour 6levntton
Contour
Area
Increment
Volume
AuumulaUsa
Volume(',)
[fins]]
[so
[cf]
cf
[II]
2475
3 404
0
0
000
2500
3 SRO
873
873
0 2�
2600
4 322
3 9:, 1
4 824
1 25
26 56
J 711
1 261
7 185
1 7h
2700
3 121
2 461
9 :146
? 25
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L.fdtnumn Rule through Bottom Q\
1 um to E.6ltranon Min Volume T
6729
(cI]
[ft]
[fins]]
[rms]]
[el]
1 rc m]
[so
[tmlirl
Ids]
[days]
165
2640
2650
7185
194
4 722
10 00
079
0 10
As per NMNR
Given
TablL Iut1rpolatt0n
Ls of = ([9ot0111 b I(s auun)+ l Is of
Given
Tible Interpolation
V,,,,, [ n. m] = V,,,,,[ctj" 121n./tI - 4� :i Wsb lc
1 abli. huLrpolauon
R Irom Sods I(st NCDI NR \laumum = IOutPrn A611,11 = 29 SmPor
Q. _ (A,,, .*R) — (12m/11 3 600seedn)
T = ( Vmm I Q. ) - 86 400su/(Im
v l'tt I'tlf� r
f
;. � CY �✓� T „
7Ij6�O�
i���� R11 cp�a\��

4
NCDENR
North Carolina Department of Environment and Natural Resources
Beverly Eaves Perdue
Governor
July 13 2009
Woody Clookie, President
St James Fire Department, Inc
3628 St James Drive SE
Southport, NC 28461
Division of Water Quality
Coleen H Sullins
Director
Subject Request for Additional Information
Stormwater Project No SW8 080607
St James Fire Station
Brunswick County
Dear Mr Clookle
Dee Freeman
Secretary
The Wilmington Regional Office received a State Stormwater Management Permit Application for the
project located at 3628 St James Dr SE on June 4, 2009 The Division of Water Quality has conducted a
preliminary review of that information and determined that the application is not complete The
following information is needed to continue the stormwater review
1 Table of elevations The table of elevations for Basin #2 (which is shown on the page labeled
as the "infiltration Basin #2 Capacity" in the calculations contains a table of elevations for
24 75, 25 00, 26 00, and 27 00 fmsl Because the storage elevation is at 26 5 fmsl, please add
26 5 to the table and show the respective volume (7,185ft') and surface area (4,722ft2)
Please note that this request for additional information is in response to a preliminary review The
requested information should be received in this Office prior to August 13, 2009, or the application will
be returned as incomplete The return of a project will necessitate resubmittal of all required items,
including the application fee
If you need additional time to submit the information, please mail, email or fax your request for a time
extension to the Division at the address and fax number at the bottom of this letter The request must
indicate the date by which you expect to submit the required information The Division is allowed 90 days
from the receipt of a completed application to issue the permit
The construction of any impervious surfaces, other than a construction entrance under an approved
Sedimentation Erosion Control Plan, is a violation of NCGS 143-215 1 and is subject to enforcement
action pursuant to NCGS 143-215 6A
Please reference the State assigned project number on all correspondence Any original documents that
need to be revised have been sent to the engineer or agent All original documents must be returned or
new originals must be provided Copies are not acceptable
Wilmington Regional Office
127 Cardinal Drive Extension Wilmington North Carolina 28405
Phone [phone] FAX [phone] Customer Service 1 877-623-6748
Internet w nmaterquahty org
An Equal Opportunity 1 Affirmative Action Employer
NorthCarohna
Naturally

SW8 080607MOD
July 13, 2009
If you have any questions concerning this matter please feel free to call me at [phone] or email me
at kelly p Johnson@ncdenr gov
Sine ely,
elly ohnson
Environmental Engineer
GS/KJ S\WQS\STORMWATER\ADDINFO\2009\080607MOD jun09
CC John Beroset, Coastal Land Design
Stormwater Permitting, WiRO files
Page 2 of 2

Coastal Land Design, PLLC.
P 0 Box 1172 Wilmington, NC 28402
Phone [phone] Fax [phone]
To
NCDENR—Division of Water Quality
Wilmington Regional Office
127 Cardinal Drive Extension
Wilmington, NC 28405 (910) 350 — 2004
Arm
frinda Lewis
❑ As Requested
❑ Sent via Mail
❑ For Your Files
❑ Sent via Courier
RECD i U N 4 2009
Transmittal
June
St James Fire Station — Modification
S W 8 080607
❑ For Distribution ® For your Review / Action / Approval
Quantity
Drawing No
Description
I
Copy
NCDENR comment letter regarding the Designer's Certification
I
Check# 3795
In the Amount of $505 00 for the standard review fee
1
Copy
Documentation listing Woody Clookie as President of St James Fire Department, Inc
1
Original
Stormwater Management Permit Application Form
I
Copy
Stormwater Management Permit Application Form
I
Original
Infiltration Basin #I Operation and Maintenance Agreement
1
Original
Infiltration Basin #2 Operation and Maintenance Agreement
1
Original
Filter Strip, Restored Riparian Buffer, and Level Spreader Operation and Maintenance Agreement
1
Original
Infiltration Basm #I Supplement
1
Original
Infiltration Basin 92 Supplement
1
Original
Level Spreader, Filter Strip, and Restored Riparian Buffer Supplement
1
Copy
Stormwater Design Narrative
1
Copy
Stormwater Design Calculations
1
Copy
ECS Carolina, LLP Soil Investigation for Infiltration Basin #1 (Sod Boring #5)
1
Copy
ECS Carolina, LLP Soil Investigation for Infiltration Basin #2 (Soil Boring #4)
2
Copies
Stormwater Management Plan
REMARKS
If you have any questions or concerns regarding this submittal, please contact this office Thank you
CC File
10
jUN 0 4 2009 Cy astaftj>_st£n, P L L C
PE
200 12 Transmittal NCDENR 04 June-2009 doc

ST JAM£S
FIRE DEPARTMENT
[phone]
June 20,2008
NCDENR
Gentlemen
3628 ST JAMES DR
SOVTHPORT NC 28461
FAX [phone]
The purpose of this letter is to certify that Mr Woodrow F Clookie was elected as
president of the St James Volunteer Fire Department Board of Directors Mr Clookie was
elected at the regular Board of Directors meeting on January 8, 2008 1 have enclosed a copy of
the minutes
If there is any additional information you need please call or fax the St James Fire
Department at the above numbers
Sincerely,
Dr John Schroeder
Secre ary,
Board of Directors
St James Volunteer Fire Department
I' jVED
JUN 0 4 2009
BY

North Carolina
Brunswick County
I Jill S Melton, Notary Public for Brunswick County, North Carolina, certify
that Dr John M Schroeder personally came before me this day and
acknowledged that he is Secretary of St James Fire Department, Inc, a
corporation, and that he, as secretary, being authorized to do so, executed the
foregoing on behalf of the corporation
Witness my hand and official seal, this the 20th day of June, 2008
oI AR y r �•�
mm Exp
Co ,
dPG� Au By
S ICK r

St James Fire Department, Inc
Board of Directors Meeting, Tuesday, January 8, 2008
Vice President, Woody Clookie called the meeting to order at 2 30
Present Beig, Clookie, Gear, Lesher, Maguire, Nejes, Schroeder, Schulz, and Young
Absent Donnelly
New Officer Nominations The nominating committee's slate of officers for 2008 was
presented Nominations were closed and the slate was approved unanimously
President Woody Clookic
Vice President John Young
Treasurer Jim Gear
Secretary John Schroeder
Mmutes The minutes of December 13 Board Meeting were approved
Commumcations Two notes of appreciation for recent EMS calls were read
Public Comment None
Financial Reports The Treasurers report was approved
_Operations Report Lesher presented the operations report (attached)
It was moved by Schultz and seconded that we become Participating Partners with
Blue Cross and Blue Slueld of North Carolina (This allows BC&BS of NC to pay the
Department directly for ambulance services Motion passed
The Town of St James will host the Official St James Fire Department Web Site
The POA will have links to the official site This will eliminate confusion caused by
partial information on both sites
Presidents Report None Issues to be discussed under New Business
Committee Reports We will sign a Service Contract with Al Fulford Heating and A/C to
service the Fire Department's two heat pumps and two gas heaters
Old Business Gear presented several changes to the proposed budget The budget is in
its final stages of preparation
The meeting was unexpectedly forced to adjourn when the fire call pagers went off
requesting mutual aid for a structure fire
Respectfully Submitted

M
MaLp ECS CAROLINAS, LLP
cwROLiNws Geotechmcal • Construction Materials • Environmental • Facilities
May 12, 2008
Mr Jay Carmine, P E
Coastal Land Design, PLLC��
PO Box1172 JUN 0 4 2009
Wilmington, North Carolina 28402
i
-Re Addittonal Infiltration Testing BY
Saint James Fire Department Expansion
Southport, North Carolina
ECS Project No-22 13942B
Dear Mr Carmine,
s
ECS Carolinas, LLP (ECS) recently conducted an additional infiltration test for the proposed
linfiltration area at the above site located off of Saint James Drive in Southport, North Carolina
This letter, with attachments, is the report of our evaluation
Field Testing I - I
On May 12, 2008 ECS met with Mr Jay Carmine with Coastal Land Design on site in order to
provide the requested additional test location ECS then conducted an exploration of the
subsurface soil and' ground water conditions at the requested location shown on the attached Site
Diagram The purpose of this exploration was to obtain subsurface information of the
suitability of the soils for the proposed infiltration area We explored the subsurface
soil conditions by advancing one hand auger bormg into the existing ground' surface at the
requested boring location. We visually classified the subsurface soils and obtained, r,
representative samples of each soil type encountered We also recorded the seasonal high
ground water level (SHWL) observed at the time of the hand auger bormg The attached
Infiltration Evaluation Form provides a summary of the subsurface conditions encountered at
each hand auger boring location i
` ` F
The SHWL was estimated at the boring location below the existing grade elevation Below is a
summary of our findings
Location- SHWL 3
5 .90 inches
-
Utilizing a`compact constant head permeameter, we have conducted an infiltration test near the
han&auger boring to estimate the infiltration rate for the subsurface soils The infiltration tests
are typically conducted at two feet above the SHWL
7211 Ogden Business Park • Suite 201 • Wilmington, NC 28411 • [phone] • Fax [phone] • www ecshnnted coin
C Asheville, NC Charlotte NC Greensboro NC Greenville SC Raleigh, NC Swansbow NC • Wibnington, NC +
testing services only
i

Infiltmhon Evaluation
Stunt James Fire Department Expansion
Southport, North Carolina
ECS Project No 2213942B
Field Test Results
Below is a summary of the infiltration test results
Location
Description
Depth
hiches/bour
Inches/minute
_ 5
Tan fine SAND
66 inches
243
0 40
hifiltration rates and SHWL may vary within the proposed site due to changes in elevation and
subsurface conditions
If you have any questions regarding this report, please contact us at [phone]
Respectfully,
ECS CAROLINAS, LLP
K Brooks Wall
StaffGeologist
Attachments Site Diagram
Infiltration Evaluation
Walid M Sobh, P E
Principal Engineer
NC License No 22983

u
PROPOSED
PARMG IDr
1
\ l
AA FY f • ' ,/yi
ST JAMES PLANTATION
CHAPEL SITE
DZ 1192, PG 468
s • t t,,,� y V(' + +� t y MC V, PG 329 /
,
� •fP.A� Y'a '�
FJO
FIRE
eu
• ii E�2:eE�i=i• �i:�.
J.t
4 TEST LOCATION
St James Plantation Fire Department
Wilmington, NC
/ BRUN
WE
DB
ECS Project No 22-13942B
May 12, 2008
1 Bw
G

m
Additional Infiltration Evaluation
Saint James Fire Department Expansion
Southport, North Carolina
ECS Project No 22 13942B
May 12, 2008
Location Denth Soil Description
5 0-10" Grey /white fine SAND
10"48" Tan fine SAND
48"-60" Orange fine SAND
60"-108" Tan fine SAND
Seasonal High Water Table was estimated to be at 90 inches below the existing
,grade elevation
Infiltration Rate 0 40 inches per minute (24 3 inches per hour)
Test was conducted at 66 inches below existing grade elevation

Stormwater Design
For
St. James Fire Station
SW8 080607 - Modification
Brunswick County
North Carolina
m
Prepared by
JUN 0 4 2009
Coastal sand Design, PLLC
Civil Engtneenng / Landscape Archtteetmre / Constntchon Management
P 0 Box 1172 Plione 910-254-9333
Wilmington, NC 28402 Fax [phone]
Prepared for A
St James Fire Department, Inc
3628 St James Drive SE
Southport, NC 28461
May 29, 2009
E A L r ; ��09
1
c�G! NEB4,\\���
PN#i111lP0 \\\\

Narrative
Brief Update
This project is being submitted for a modification at the duectton of Linda Lewis (NCDENR) There were
some modifications to the shape of the infiltration basins that had to be made in older to satisfy some
spatial and hydraulic concerns that were not present at the time of design due to an unknown survey error
that did not come to light until this project was under construction These modifications were shown in the
Designer's Certification for this project (SW8 080607) These noted changes, however, were determined to
be too signficant to allow the ceinfication to suffice without a submittal of the modified plans
applications, and calculations Please iefer to the Designer s Certification for this project on file with the
State when referencing this project At this point, all impervious has been constructed and the project is
complete — minus the necessary modifications to the shape of the infiltration basins that will result from
this submittal
A brief synopsis of the changes to the infiltration basins ai e shown below
1) Infiltration Basin #1 (ROW was actually 6 wider in the field)
a Length was truncated by approximately 6' (to 60' from 66')
b The depth of the basin was increased by P (to 26 0' from 27 0 )
c The foi ebay-main basin sepal ation will be changed to i ip-i ap from earthen matet ial
2) Infiltration Basin #2 (Hydraulic outlet was about 6" higher in the field)
a The bypass weir (temporary pool) elevation was raised by 6' (to 26 50' from 26 0')
b The level spreader lip elevation was raised by 6" (to 26 25' from 25 75')
c the vegetated filter outlet elevation was raised by 6" (to 25 75' from 25 25')
d A 6"xl8" flat channel was consn ucted at the `front' of the level spreader
e An 8" roof dram leader was outlets to the Swale (piped instead of sheet flow)
f The bottom of the basin will be i aised by 9 (to 24 75 fi oin 24 0 )
rhese aforementioned modifications, in conjunction with the previously approved permitting variances by
the State for this project, allow the infiltration basins to remain complaint with the State's design criteria
The original narrative has been included with this project to offer supplemental information for the design
approach that was originally taken and to give background information on the pre -sub rattal agreements
that were between the State and St James Fire Department, Inc for this project Only the infiltration basin
shapes have been modified None of the drainage basins, site design, or basin hydrology has been altered
and remains as previously permitted The only calculation procedural change was the use of the NOAA
Atlas-14 to determine the pre development and post influent discharges rather than the values listed in the
Brunswick County stormwater manual
Protect Overview
The St James Fire Station is located in St James Plantation in Southport, NC Please refer to the vicinity
map on plan set The St James Fire Station was built in the late 90's and because the ouginal tract of
development was less than one acre, it did not have to apply for NCDENR stormwater or erosion control
permits The fire station was not originally designed with any expectations of future expansion, however,
with the growth of the St James Plantation development, an expansion is now required to keep tip with the
potential demand from the development This stormwatei management plan is designed to treat the
proposed expansion as well as the existing impervious on site y
The emsnng file station is 7,108sf, the existing pai king lot is 12 294sf, and the portion of the private drive
on the property is 421sf The existing private drive and the parking lot underneath the proposed building -
will be iemoved with the expansion Tine expansion is for the addition of 4 080sf of budding and 31 723sf
of pm king lot The total amount of impel vious for this stot mwater project is 71,163sf and will be neated by
two (2) infiltration basins

Due to the maximum driveway slope and rate of vertical curvature limits for fire engines, a small portion of
each driveway is not feasible to be captured by the infiltration basins The portion of the untreated existing
driveway is 450sf and the untreated portion of the proposed driveway is 1,093sf Both will be collected by
the existing curb and gutter along St James Drive SE This was discussed at the pre -submittal meeting for
this project and was it was agreed that the small amount of impervious that cannot be caught, due to these
constraints, was acceptable There is also an existing sidewalk loop on the property that is not feasible to be
treated by conventional stormwater measures The untreated existing sidewalk impervious surface is
1,296sf and will be filtered by the existing 30' buffer along St James Drive SE Thus, the total amount of
untreated impervious from this site is 2,839sf (450sf of existing parking, 1,093sf of proposed parking, and
1,296sf of existing sidewalk) The rest of the impervious on the property will be treated by the infiltration
basins that are designed to not only meet NCDENR's stormwater requirements but to also allow the site to
meet Brunswick County's post -development discharge requirements
Site Descuption
The topography of the St James Fire Station expansion pioject is wooded and has an overall slope of
approximately 1 5% The property has a grade Meal, at approximately the north side of the existing
building and directs runoff to either flow north over the emsting driveway or south through the proposed
parking lot addition The entire property ultimately chains into the Beaverdanl Creek, a waterway classified
as SC, Sw, HQW The elevations on this project range from 25 feet MSL to 32 feet MSL and according to
the Soil Survey of Brunswick County, North Carolina, the underlying sods are Wanda fine sands This soil
is rapidly draining and has a sod hydrologic group of A The seasonal high water table and the infiltration
rate of the soils underneath the proposed infiltration basins were analyzed by ECS, Carolinas and
confirmed by Vincent Lewis of NCDENR Please refer to the soils reports shown included with this
stormwater management plan application As per the direction of NCDENR, an infiltration rate of 10 Om/hr
was used in the design of both infiltration basins rather than the higher rates as determined from the site
specific soil testing There are no wetlands on this property
Stormwater Treatment System
Infiltration basm-I is designed to treat the northern portion of the site and will treat 14,208sf of the existing
parking lot The exfiltration rate for this area is 24 31n/lir according to sod boring 95 as performed by the
soil investigation, however, an exfiltration rate of 10 Oin/hr was used in this design Stormwater will be
collected by a trench drain at the lowest feasible part of the existing driveway/parking lot The rim
elevation for the trench dram is 30 00fmsl which is also the elevation of the temporary pool Thus, excess
stormwater above the design storm event will flow across the trench dram rim, and will be bypassed from
the infiltration basin As per the pre -submittal meeting for this project, this infiltration basin is designed to
treat the first 3 0" of runoff, rather than the first 1 5', in lieu of a vegetated filter on the bypass because of
its spatial constraints and the fact that it is only treating stormwater from existing impervious Stormwater
will be pretreated by a small forebay connected to the infiltration basin Bypassed stormwater will be
discharged by sheet flow into the existing curb and gutter for St James Drive SE
Infiltration basin-2 is designed to treat the remainder of the existing impervious area and the proposed
impervious for the fii a station expansion (54,116st) The exfiltration rate for this area is 29 51n/hr according
to soil boring #4 as performed by the soil investigation, however, an exfiltration rate of 10 Om/hr was used
in this design Stormwater will be collected by a pretreatment swale that discharges stormwater into the
infiltration basin A weir is designed in the channel and set at an elevation of 26 50finsl to dnect
stormwater into the infiltration basin That elevation is also the elevation of the temporary pool Thus
excess stormwater above the design storm event will flow over the weir in the channel and will be
bypassed from the infiltration basin The bypassed stormwater will then be directed to an 82' long level
spreader which is designed to treat runoff from the 10 year storm event After then level spreader, runoff
ivll then be directed through a 30 vegetated filter Stormwater will then be ultimately discharged b) sheet
float into the existing curb and guttei for St James Drive SE

`a
Stormwater Design Calculations
For
St. James Fire Station
SW8 080607 - Modification
Brunswick County %ko, � ifft t'viHz 15
North Carolina
JUN 0 4 2009
m
Prepared by
Coastal Land Design, PLLC
Civil Fngmeenng / Landscape Architecture / Construction Manggement
P O Bo, 1172 Plione 910-254-9333
Wilmington, NC 25402 Fax [phone]
Prepared for
St James Fire Department, Inc
3628 St James Drive SE%8516 !
Southport, NC 28461
EAL
3 3 1 �
May 29, 2009 RI

Drama2e Area #1 Characteristics
Item
Area
Im(ler%t us
Rational
Area x Imp
Area x C
name]
ION
Isfl
Isq
lEmsting Buildings
11 0
100
0 9a
0
00
E�istine Parking Lot
14 208
100
095
14 208
13 497 6
IE\isttiig Roads
0
100
095
0
00
E\istin Side% alk
0
100
09)
0
00
Pra osed Buildings
0
100
0 90
0
0 0
Proposed P irking Lot
0
100
095
0
0 0
Yro osed Roads
0
100
0 9a
0
00
Pro osed Suleisall,
0
100
0 9�
0
00
Offsnc
0
100
0 92e
0
0 0
Pen ious Space
10 282
0
0 15
0
t 542 3
Total
24 490
14 208
15 039 90
Area Weighted Impervious = E( Area \ Imp ) / E( Drainage Areas )
Area Weighted Impervious= 14208sf/24490sf
Area Weighted Impervious = 58 02°/u
Rs = 0 05 + 0 009*(%Imp)
Rv = 0 05+0 009*(58 02%)
Rs = 0 572
As per NCDENR Pre submittal meeting, P = 3 Oin/hr for No Vegetated Filter
Min treatment Volume Vmm= P*Rv*Ad
Min Treatment Volume Vona = 3 Oin/12in/ft)*(0 572)*(24490sf)
Min Treatment Volume Vann = 1 3 503 Ica
Pre -Development Discharge Calculations
Site Chnractenstics
Runoff Coefficient, Cp,e
Hydraulic Length, I pre
Eles ation Change Hp,e
Drainage Basin Area. A
Time of Conc Multiplier Kp,e
Time of Concentration Tcpre
1 yr Intensiq, Ip,e,
1 yr Flow, Qprepczk.
In]
[ft]
[acres]
[nun]
[m/hr]
[cfs]
015
250
200
0 562
200
7
54
047
Post -Development Dischirge Calculations
Site Chit actenstics
Runoff Coefficient Cp,,,,
H\dmulte Length Lp°a,
Elesation Change HP.',
Drainage Basin Area A
Time of Colic Multiplicr Kp°„
Time of Concentration Tcp°„
1 rr Intensnv Ip°a,
I N r Floii Qp°,„. peu ,
[ft]
[ft]
[acres]
[min]
[in/hr]
[CfS]
061
250
200
0 )62
107
98
2 08
Cpre= 0 15 (Wando fine sands Woods Good Stand SHG=A)
Green
Craven
Green
Kpre = Overland Sheet Flow
Tep,e = (Kpre / 128) * (L,., / I 1pre)o 385 5mm minimum
I, , = 154 3 / (Tep,e + 20 8) from NOAA Atlas 14
Qpre peak,i=Cpre*lpre *A*(43 560sf/ac — 43200see in/hr ft)
C,t=(%Imp)*095—(1 %Inip)*01:l
See This Worksheet
See rhis Worksheet
See flits Worksheet
K,,, = (%Imp)*0 40 + (I %Imp)*20
Tc,.,, _ (Kp°„ / 128) * (Lp°, 3 / Hp°a )o s5 5mm minimum
I,, i = 154 3 / (Tcp°„ r 20 8) from NOAA Atlas 14
Qp°„,, pegk i = Cp°r,*Ip°„ , *A*(13 560sf/ac — 43 200sec uift Ill

Infiltration Basin #1 Capacity
Contour Elesahon
Contour
Area
Increment
Volume
Accumulatne
Volume (S)
Stage (Z)
[foul]
(so
Ica
[cq
[ft]
2600
2S1
0
0
000
2700
358
358
100
2800
824
645
1,003
200
2900
1,237
1 031
2033
300
_ 3000
1 727
1 482
3 515
400
Stor ree Volume Chirncteristics
Minimum Treahnent Volume, Vmm
I [eight of Storage Volume, H%ol
EleNauon of Storage Volume Bel
Elevation of Overflow Eoetr
Total Volume Pros tded VPMV
Total Volume Pros tded VPMV
Area at Storage Volume SAprov
Eafiltration Rate R
E\filtranon Rate through Bottom Q\
Time to E\filtratton Min Volume , T
3,503
[cf]
[ft]
[fins[]
[finsl]
[cf]
[ac m]
[so
[m/hr]
[cfs]
[days]
399
2999
3000
3 a15
097
1 727
1000
006
070
G is en
Table Ina,rpolatton
Cvol = (Bottom Elevation)+ Hvol
Given
Table Interpolation
V pm [ac m] = V prov[cf] * 121r/ft — 43 560sf/ac
Table Interpolation
R from Soils Test, NCDENR Maximum = l0tn/hr, Actuil = 24 31n/hr
Qx _ (Ab.a..*R) — (121n/ft*3 600sec/hr)
T = ( Vann / Qx ) — 86 400sec/daN

Dralna2e Area #2 Characteristics
Item
Area
Impern ious
(Im)
Rational
C
Area a Imp
Area C
name
s
%
s[Sfl
IE\tstinS Buildings
7108
100
095
0
00
JENisting Parking Lot
l2 294
100
095
14 208
13,4976
lExistma Roads
0
100
095
0
00
lExisting Sidewalk
0
100
095
0
00
Pro osed Buildings
4 080
100
095
0
00
]Proposed Parking Lot
30 634
100
095
0
0 0
Pio osed Roads
0
100
095
0
00
Pro osed Sidewalk
0
100
0 9�
0
00
Offsite
0
100
0 95
0
00
Pervious Space
48 375
0
0 15
0
1 5423
Total
F-10-24-917
14208
15 039 90
Area Weighted Impervious = E( Area x Imp ) / E( Drainage Areas )
Area Weighted Impervious= 54116sf/ 102491sf
Area Weighted Impervious = FT2 80%
Rv= 005+0009*(%Imp)
Rv= 0 05+ 0 009*(�2 8%)
Rv= 0:12i
Min Treatment Volume Vmm= P*Rv*Ad
Min Treatment Volume Vmm= (I 5in/12in/ft)*(0572)*(102491st)
Min Treatment Volume Vann= 6 729 [cf]
Pre -Development Discharge Calculations
Site Characteristics
Runoff Coefficient Cpre
Hydraulic Length, Lire
elevation Change, Hpr,
Drainage Basin Area A
rune of Cone Multiplier Kpr,
l imeof Concentration leer,
I yr Intensity Ipr, ,
1 yr now Qp„,, 1
[ft]
[fill
[acres]
[inin]
[m/hr]
[efs]
0 15
400
� 00
2 353
200
9
26
187
Post -Development Discharge Calculations
Site Ch rricterisucs
Runoff Coefficient Cost
I is draulic Length L,p„
Lies ation Change H,n„
Drainage Basin Area A
Time of Cone Multiplier Kpos,
I ime of Concentration 7cpo„
I s r Intensity 1pos, i
I N r I lop Qpaeun,e k1
[ft]
[ft]
[acres]
[nun]
[ui/hr]
[efs]
0 �7
400
5 00
2 353
1 16
98
812
Cpre = 0 15 (Wando fine sands Woods -Good Stand, SHG=A)
Given
Given
Given
Kpre = Overland Sheet floss
Tcpr, _ (Kpre / 128) * (L,rei / Hpre)° 385 nm1n minimum
Ipr, i = 154 3 / (Tcpr, + 20 8) from NOAA Atlas 14
Qpre,„�,) = C,re*Ipr, i*A*(43,560sf/ac — 43 200sec in/hr ft)
C,,=(%Intp)*09)—(I %Imp)*015
Scc This Worksheet
See This Worksheet
See This Worksheet
K,,_(%Imp)*040T(I %lntp)*20
Tcpo,t= (Kpost / 128) * (t pos,i / I Ipasi)oias 5111111 nuns n in
frost i=1)43/(1c,,,,+ 208) from NOAA Atlas 14
Qpovmpearl=Cpost1post *A*(43 o60sf/ac— 43200sce in/hr ft)

Infiltration Basin #2 Capacity
Contour Elevation
Contour
Area
Increment
Volume
Accumulative
Volume(S)
Stage (Z)
[fmsl]
[sf]
Ica
Ica
[ft]
24 75
3 404
0
0
000
2500
3 580
873
873
025
2600
4 322
3 951
4 824
1 25
2700
5 I21
4 722
9 546
2 25
Stornec N olume Ch trnctet isties
�6 '')t3il,l)22�tx
Minimum Treatment Volume Vnun
Height of Storage Volume I Is of
Elevation of Storage Volume Csol
Elevation of Overflow, Esseir
Total Volume Provided V".
Total Volume Provided V'.'
Area at Storage Volume SA'.'
Exfiltmtion Rate R
E%filtration Rate through Bottom Qx
Time to Exfiltration Min Volume T
6729
Ica Gisen
[ft] I able Interpolation
[fmsl] Es01=(Bottom Elesation)+IlvoI
[fmsl] Gisen
Ica Table Interpolation
[ac m] V,,,,[ac in] = V,,[cq* 12m/ft — 43 560sf/ac
[sf] Table Interpolation
[ut/hr] Rfrom Soils lest NCDENR Maximum=IOm/hr Actual =295m/hr
[cfs] Qx _ (Abo„ om*R) — (121n/ft*3 600sec/hr)
[das s] r = ( Vmm / Qx ) — 86 400sec/da5
1 6)
2640
2650
7 185
198
4,722
]000
079
010

r
NCDENR
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Beverly Eaves Perdue Colleen H Sullins Dee Freeman
Governor Director Secretary
FAX COVER SHEET
Date May 27, 2009 No of Pages 1 �f L
To Jay Carmine, P E From Linda Lewis
Company Coastal Land Design Water Quality Section Stormwater
FAX # [phone] (Local) FAX # [phone]
Phone # [phone]
DWQ Stormwater Project Number SW8 080607
Project Name St James Fire Station
MESSAGE
Jay
The Division received the Designer's Certification for the subject project on May 13,
2009 The certification notes a few deviations from the permitted condition
For Basin #1, the noted changes will require a permit modification Deepening
the basin by 1 foot to make up for a 6 foot reduction in the length of the basin
is the kind of change that requires a permit modification to be approved
BEFORE construction The permitted bottom elevation may already be as low
as it can go based on the SHWT elevation Luckily, there is enough room to
lower the bottom of Basin #1 by one foot, however, a permit modification,
revised calculations, revised plans and permit application fee are still required
to demonstrate that the required storage volume has been provided in the
modified basin
The items listed for Basin #2 do appear to provide more storage, however, if
there had been no changes to Basin #1, a plan revision would have been the
correct course of action to document these changes Since the changes to
Basin #1 require a modification, the changes to Basin #2 should just be
included with that mod
In the future, when there are deviations to the permitted elevations that result in
changes to the areas or volumes, an as -built survey should be included with the
Certification or Modification
GDS/arl S\WQS\STORMWATER\ADDINFO\2009\080607 may09
Cc Woody Clookie, St James Fire Department
Wilmington Regional Office
127 Cardinal one Extension Wilmington North Carolina 28405
Phone [phone] \ FAX [phone] \ Customer service 1-877-623-6748
Internet w rimaterquaftty, org
An Equal Opportunity Af rmaave Action Employer
None
rthCarolina
Naturally

P. 01
TRANSA(TION REPORT
MAY-27-2U09 WED 01 02 PM
FOR NCDENR 910 350 2004
SEND
DATE START RECEIVER TX TIME PAGES TYPE NOTE M# DP
MAY-27 01 01 PM 92540502 4'50' 1 FAX TX OK (06) 644
TOTAL ' 411 50S PAGES' 1
N�C��IR
North Carolina Department of I nvironment and Natural Resources
Division cf Water Quality
Beverly Eaves Perdue Coleei H Sullins Dee Freeman
Govemw Crector Secretary
FAIL COVER SHEET
Date May 27, 2009
No of Pages 1 i91
To Jay Carmine, P E
From Linda Lewis
Company Coastal Land Design
Water Quality Section Stormwater
FAX # [phone] (Local)
FAX # [phone]
Phone # [phone]
DWG Stormwater Project Numbei SWI1 080607
Project Name St James Fire Station
MESSAGE
Jay
The Division received the Designet s Certification for the subject project on May 13,
2009 The certification notes a few deviabons from the permitted condition
1 For Basin #11
the noted change s will require a permit modification Deepening
the basin by 1 foot to make up or a 6 foot reduction in the length of the basin
Is the kind of change that requires a permit modification to be approved
BEFORE construction The permitted bottom elevation may already be as low
as it can go based on the SHWT elevation Luckily there Is enough room to
lower the bottom of Basin #1 by one foot, however, a permit modification
revised calculations revised pl ins and permit application fee are still required
to demonstrate that the naquirei storage volume has been provided in the
modified basin
2 The Items listed for Basin 1 #2 do appear to provide more storage, however if
there had been no changes to 3asin #1 a plan revision would have been the
cored course of action to document these changes Since the changes to
Basin #1 require a modification the changes to Basin #2 should just be
included with that mod
In the future when them are deviaUcris to the permitted elevations that result in
changes to the areas or volumes an as -built survey should be included with the
Certification or Modficaton
GDS/art S \WQS\STORMWA7 ER\ADDINF012009\080607 may09
Cc Woody Clookte St James °Ire Department
vimftmrmrmvoam
lvG owinwiiftw NaM GminelBWS ]�J Caro tfla
PMna 916)B6Ye161FAY 9163�haINlCubnNearKa 1 9Ira23& V �t
tiD,0�"1�Emp�

f
Coastal Land Design, PLLC
P O Box 1172 Wilmington, NC 28402
Phone [phone] Fax [phone]
To
NCDENR-Division of Water Quality
127 Cardinal Drive Extension
Wilmington NC 28405
(910) 796 — 7215
Attn
iStormwater Secretary)
❑ As Requested
❑ Sent via Mail
❑ For Your Files
❑ Sent via Courier
M MAY 19 2609
r(o,
Transmittal Na.,�
Date May 13 2009
File 200-12
Subject St James Fire Station
Designer's Cerhfication
(SW8 080607)
❑ For Distribution ® For your Review / Action / Approval
Quantity Drawing No Description
1 Copy Designer s Certification for St James Fire Station (SW8 080607)
REMARKS
CC File CeaSraTLirJ-0 at�di n PLLC
No
200-12 Transmittal- NCDENR-DWQ 051309 doc