SW7091014_CURRENT PERMIT_20100125

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT. NO.
SW
DOC TYPE
CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE1��
YYYYMMDD

Beverly Eaves Perdue
Governor
NCDENR Wci
North Carolina Department of Environment and Natural Resources
Division of Water Quality
Coleen H. Sullins
Director
January 25, 2010
Mr. Frederick Howdy, Jr., Chairman FUMC Building Committee
First United Methodist Church
304 W. 2nd Street
Washington, NC 27889
Dear Mr. Howdy:
Dee Freeman
Secretary
Subject: State Stormwater Permit No. SW7091014
First United Methodist Church Building Addition
High Density Commercial Bio-Retention Project
Beaufort County
The Washington Regional Office received a complete Stormwater Management Permit Application for
First United Methodist Church Building Addition on January 14, 2010. Staff review of the plans and
specifications has determined that the project, as proposed, will comply with the Stormwater
Regulations set forth in Session Law 2008-211 and Title 15A NCAC 2H.1000. We are forwarding
Permit No. SW7091014 dated January 25, 2010, for the construction of the subject project.
This permit shall be effective from the date of issuance until January 25, 2020, 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 adjudicatory hearing upon written request within thirty (30) days following receipt of this
permit. This request must be in the form of a written petition, conforming to Chapter 150E 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 Scott
Vinson, or me at [phone].
Si cerely
c.- Lr—
geAI od
Regional Supervisor
Surface Water Protection Section
AH/ sv: K:\WQS\STORMWATER\PERMIT\SW7091014
cc: Marie Peedin, PE
Beaufort County Building Inspections
,Washington Regional Office
Central Files
North Carolina Division of Water Duality Internet www.nmaterquality.org One 943 Washington Square Mall Phone: [phone] FAX'. 252-946-9215 NOrtl 1., l Ccv Ot ] rl it
Washington, NC 27889 FAX: 252�946-9215 //
An Equal Opportunity 1 Affirmative Action Employer Naturally y

State Stormwater Management Systems
Permit No. SV 7091014
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
First United Methodist Church
First United Methodist Church Building Addition
On the corner of 3rd St. and Van Norden, City of Washington, Beaufort County
FOR THE
construction, operation and maintenance of one bioretention basin in compliance with
the provisions of Session Law 2008-211 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 January 25, 2020, 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.
This stormwater system has been approved for the management of stormwater
runoff as described in Section 1.7 of this permit. The stormwater control has been
designed to handle the runoff from 43,124 square feet of impervious area.
3. The tract will be limited to the amount of built -upon area as indicated in Section
1.7 of this permit, and per the application documents and as shown on the
approved plans.
4. 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.
5. The runoff from all built -upon area within the permitted drainage area of this
project must be directed into the permitted stormwater control system.
6. The built -upon areas associated with this project shall be located at least 50 feet
landward of all perennial and intermittent surface waters.
Page 2 of 7

State Stormwater Management Systems
Permit No. SV 7091014
7
The following design criteria have been provided in the bioretention basin and
must be maintained at design condition:
a. Drainage Area, acres:
b. Total Impervious Surfaces, ftz:
C. Design Storm, inches:
d. Max. Ponded Depth, feet:
e. Seasonal High Water Table, fmsl:
f. Planting Media Depth, feet:
g. Basin Dimensions, feet:
h. Planting Elevation, fmsl
i. Bottom Surface Area, ft2:
j. Permitted Storage Volume, ft3:
k. Bypass / Storage Elevation, fmsl:
I. Predevelopment 1 year 24 hour:
M. Post development 1 year 24 hour:
n. Drawdown Time, hours:
o. Underdrain Diameter, inches:
P. Total number of plants provided:
q. Receiving Stream/River Basin:
r. Stream Index Number:
S. Classification of Water Body:
II. SCHEDULE OF COMPLIANCE
1.77 (77,101 sf)
43,124
1.50
1 (12in.)
0.00
2.0
119 x 45
4.80
5,355
5,395
5.80
3.10
3.10
16.80
6.00
grassed sod
Pamlico River / Tar -Pamlico
29—(1)
"SC; NSW"
1. 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.
2. During construction, erosion shall be kept to a minimum and any eroded areas of
the system will be repaired immediately.
3. The permittee shall at all time 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. Mowing and re -vegetation of slopes and the filter strip.
d. Immediate repair of eroded areas.
e. Maintenance of all slopes in accordance with approved plans.
f. Debris removal and unclogging of all drainage structures, level spreader,
filter media, planting media, underdrains, catch basins and piping.
g. Access to the basin and outlet 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.
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 void unless the facilities are constructed in accordance with the
conditions of this permit, the approved plans and specifications, and other
supporting data.
Page 3 of 7

j
State Stormwater Management Systems
Permit No. SV 7091014
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.
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.
9. Access to the stormwater facilities shall be maintained via appropriate recorded
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 at all times.
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.
III. GENERAL CONDITIONS
This permit is not transferable except after notice to and approval by the Director.
In the event of a change of ownership, or a name change, the permittee must
submit a completed Name/Ownership Change form signed by both parties, to the
Division of Water Quality, accompanied by the supporting documentation 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 a request to transfer the permit.
Page 4 of 7

State Stormwater Management Systems
Permit No. SV 7091014
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 fail to perform satisfactorily, including the creation
of nuisance conditions, the Permittee shall take immediate corrective action,
including those as may be required by this Division, such as the construction of
additional or replacement stormwater management systems.
6. The permittee grants DENR Staff permission to enter the property during normal
business hours for the purpose of inspecting all components of the permitted
stormwater management facility.
7. The permit issued shall continue in force and effect until revoked or terminated.
The permit may be modified, revoked and reissued or terminated for cause. The
filing of a request for a permit modification, revocation and re -issuance or
termination does not stay any permit condition.
8. Unless specified elsewhere, permanent seeding requirements for the stormwater
control must follow the guidelines established in the North 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 2008-
211, 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. This permit shall be effective from the date of issuance until January 25, 2020.
Application for permit renewal shall be submitted 180 days prior to the expiration
date of this permit and must be accompanied by the processing fee
Permit issued this the 25th day of January, 2010.
LINA ENVIRONMENTAL MANAGEMENT COMMISSION
r =-
for
Division of Water Quality
By Authority of the Environmental Management Commission
Permit No. SW7091014
Page 5 of 7

State Stormwater Management Systems
Permit No. SV 7091014
First United Methodist Church Building Addition
Stormwater Permit No. SW7091014
Beaufort County
Designer's Certification
I, , as a duly registered in the
State of North Carolina, having been authorized to observe (periodically/ weekly/
full time) the construction of the project,
(Project Name)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such that the construction was observed to be built within substantial
compliance and intent of the approved plans and specifications.
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 6 of 7

State Stormwater Management Systems
Permit No. SW7091014
.11
First United Methodist Church Building Addition
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 drains to the system.
4. All roof drains are located such that the runoff is directed into the system.
5. The outlet/bypass structure elevations are per the approved plan.
6. The outlet structure is located per the approved plans.
7. Trash rack is provided on the outlet/bypass structure.
8. All slopes are grassed with permanent vegetation, per the vegetation plan.
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. Required drawdown devices are correctly sized per the approved plans.
13. All required design depths are provided.
14. All required parts of the system are provided, such as a vegetated shelf,
and a forebay.
15. The required system dimensions are provided per the approved plans.
cc: Beaufort County Building Inspections
Page 7 of 7

MVQ.USE ONLY
Date Received
Fee Paid
Permit Number
l //1/t o
1 tfa
15417 �9 /0lY �J
0-kzp �)uAtk- s(ri/°9
State of North Carolina)(s�
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATIO oR�'� �
This form may be photocopied for use as an original Y .4-4
JAt"1 14 2010
1. GENERAL INFORMATION
PROD # DWQ
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project .
First United Methodist Church
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
Frederick Flowdy, Jr, Chairman F.U.M.C. Buiilding Comm.
3. Mailing Address for person listed in item 2 above:
304 W. 21d Street
City:Washington State:NC Zip:27889
Phone: (252 ) 946-3311
Email:
Fax: ( )
4. Project Name (subdivision, facility, or establishment name- should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
First United Methodist Church Bldg Addition
5. Location of Project (street address):
corner of 3^1 Street and Van Norden
City:Washington County:Beaufort Zip:27889 _
6. Directions to project (from nearest major intersection):
corner of 3rd and Van Norden Street
7. Latitude: 35' 54' 29" N Longitude:77 ° 05' 45" W of project
8. Contact person who can answer questions about the project.
Name:Marie Peedin, PE Telephone Number: (252 ) 945-2983
Ismail: [e-mail]
II. PERMIT INFORMATION:
1. Specify whether project is (check one):
®New
❑Renewal ❑.Modification
Form SWU-101 Version 09.25.08 Page I of,l

2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3. Specify the type of project (check one):
[]Low Density ®High Density ❑Redevelop ❑General Permit ❑Universal SNIP ❑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):
❑LAMA Major ®Sedimentation/Erosion Control ❑404/401 Permit ❑NPDES Industrial Stormwa ter
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.
The stormwater from the development shall be treated by grass swales and a grass lined bio retention area. The
site is designed to sheet flow into the swales and curbing and ulitmately into the bio retention area for the
stormwater to be treated lrior to infiltration or exiing into the city's existtng draiange system located in Third
2. Stormwater runoff from this project drains to the Tar Pam River basin.
3. Total Property Area:1.77 acres 4. Total Coastal Wetlands Area: 0 acres
5. Total Property Area (3) - Total Coastal Wetlands Area (4) = Total Project Area":1.77 acres
6. (Total Impervious Area / Total Project Area) X 100 = Project Built Upon Area (BUA): %
7. How many drainage areas does the project have?I
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.
Fnr hiuh dPnsity nroie ts. complete the table with one drainage area for each engineered stormwater device.
Basin Information
Drainage Area 1
Drainage Area 2
Receiving Stream Name
Pamlico River
Stream Class & Index No.
SC' /VS W ;25 -Q
Total Drainage Area (sf)
77101.2
On -site Drainage Area (so
77101.2
Off -site Drainage Area (sf)
0
Existing Impervious* Area (sf)
0
Proposed Impervious"Area (sf)
43124.4
T. Impervious* Area (total)
1 .56
Impervious" Surface Area
Drainage Area 1
Drainage Area 2
On -site Buildings (sf)
"19166.4
On -site Streets (sf)
0
On -site Parking (sf)
21780
On -site Sidewalks (so
2178
Other on -site (sf)
Off -site (sf)
Total (st):
43124.4
Form SWU-101 Version 09.25.08 Paget of

**Total project area shall he calculated to exclude Coastal Wetlands from Use when cnlcdatiag the built upon area
percentage calculation. This is the area used to calculate overall percent project built upon area (BLIA).
9. How was the off -site impervious area listed above derived?n/a no offsite water to drain through the project
site
Projects in Union County: Contact the DfVQ Central Office sluff to check to see ifyou project is located
within a Threatened & Endangered Species watershed that may be subject to more stringent stormwcaer
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 ham://h2o.enr.state.nc.us/su/bmp forms.htm - 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://l12o.enr.state.ncus/sit/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

VI. SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ).
A complete package includes all of the items listed below. The complete application package should be
submitted to the appropriate DWQ Office. (Appropriate office maybe found by locating project on the
interactive online map at ham•//h2u enr state nc tis/su/msi maps.htm)
1. Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
Initia
• Original and one copy of the Stormwater Management Permit Application Form
• Original and one copy of the Deed Restrictions & Protective Covenants Form (if
required as per Part IV above) p
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP _ ``^I
• Permit application processing fee of $505 (Express: $4,000 for HD, $2,000 for LD)
payable to NCDENR
• Calculations & detailed narrative description of stormwater treatment/management
• Copy of any applicable soils report
• Two copies of plans and specifications (sealed, signed & dated), including-
- Development/Project name
- Engineer and firm
-Legend
- North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours, proposed contours, spot elevations, finished floor elevations
- Details of roads, drainage features, collection systems, and stormwater control measures
- Wetlands delineated, or a note on plans that none exist
- Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
- Drainage areas delineated
- Vegetated buffers (where required)
VII. AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf (such as additional information requests), please complete this section. (ex. designing engineer or firm)
Designated agent (individual or firm):Pamfico Engineering Services, PLLC
Mailing Address:128 Abbey Lane
City:Washington State:NC Zip:27889
Phone: (252 ) 945-2983
Email: yesyllc®embargmail.com
Fax: [phone] )
VIII. APPLICANT'S CERTIFICATION
11
I, (print or hype nine of person listed in General Information, item 2) Fredrick Howdy, In
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H .1000.
Date:
Form S W U-101 Version 09,25.08 Page 4 of 4

V�" L
Permit Number',
(to be provided by DWQ)
OrOF wA 7F' O
> .y
0 <
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
401 CERTIFICATION APPLICATION FORM
BIORETENTION CELL SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, filled out and submitted along with all of the required information.
I. PROJECT INFORMATION "
Project name First United Methodist Church Building Addition
Contact name
Phone number
Date
Drainage area number
IL DESIGN INFORMATION
Site Characteristics
Drainage area 43,124 rye ,may E I TE D
Impervious area 43,124 rye t`1v' �p'-0:d' \o// .f&H. J'
Percent impervious 55.9% %
Design rainfall depth 1.5 inch
Peak Flow Calculations
Is prelpost control of the 1-yr, 24-hr peak flow required?
y (Y or N)
1-yr, 24-hr runoff depth
3.5 in
1-yr, 24-hr intensity
4.99 in/hr
Pre -development 1-yr, 24-hr peak Bow
3.100 ft'Isec
Post -development 1-yr, 24-hr peak Bow
3.100 fl'Isec
PrelPost 1-yr, 24-hr peak control
0,000 ft'Isec
Storage Volume: Non -SA Waters
Minimum volume required
5,339.0 it'
Volume provided
5,395.0 it'
OK
Storage Volume: SA Waters
1.5' runoff volume
ff'
Pre -development 1-yr, 24-hr runoff
ry'
Post -development 1-yr, 24-hr runoff
ry'
Minimum volume required
0 ry'
Volume provided
ry'
Cell Dimensions
Fondling depth of water
12 inches
OK
Ponding depth of water
1.00 it
Surface area of the top of the bioretention cell
5,395.0 (tz
OK
Length:
119 it
OK
Width:
45 It
OK
-or- Radius
It
Media and Soils Summary
Drawdown time, ponded volume
6 hr
OK
Drawdown time, to 24 inches below surface
10.8 hr
OK
Drawdown time, total:
16.8 hr
In -situ soil:
Soil permeability
1.00 init r
OK
Planting media soil.
Soil permeability
1.00 Wind
OK
Soil composition
% Sand (by weight)
85%
OK
% Fines (by weight)
10%
OK
% Organic (by weight)
5%
OK
Total: 100%
Phosphorus Index (P-Index) of media
18 (unitless)
OK
Form SW401-Bioretention-Rev.7
JAll 1 4 Zulu
DWQ
PROD #
Parts I and It. Design Summary, Page t of 2

Permit Number:
(to be provided by DWQ)
Basin Elevations
Temporary pool elevation
5.80 fmsl
Type of bioretention cell (answer 'Y' to only one of the two
following questions):
is this a grassed cell?
y (Y or N) Insufficient media depth
Is this a cell with treesishrubs?
n (Y or N)
Planting elevation (top of the mulch or grass sod layer)
4.8 imsl
Depth of mulch
0 inches Insufficient mulch depth, unless installing grassed cell.
Bottom of the planting media soil
�fmsl
Planting media depth
,&fl"
Depth of washed sand below planting media soil
1 it
Are underdrains being installed?
y (Y or N)
How many clean out pipes are being installed?
8 OK
What factor of safety is used for sizing the underdrains? (See
BMP Manual Section 12.3.6)
2 OK
Additional distance between the bottom of the planting media and
i tt
the bottom of the cell to account for underdrains
Bottom of the cell required
2.8 frost
SHWT elevation
0 frost
Distance from bottom to SHWT
2.8 It OK
Planting Plan
Number of tree species
Number of shrub species
Number of herbaceous groundcover species
Additional Information
Does volume in excess of the design volume bypass the y (Y or N) OK
biorelention cell?
Does volume in excess of the design volume Flow evenly distributed
through a vegetated filter?
(Y or N) Exc Ssvol pass filter.
What is the length of the vegetated filter? 0 It
Does the design use a level spreader to evenly distribute Flow? n (Y or N) Show how flow is evenly distributed.
Is the BMP located at least 30 feet from surface waters (50 feet if
SA waters)?
Is the BMP located at least 100 feet from water supply wells?
Are the vegetated side slopes equal to or less than 3:1?
Is the BMP located in a proposed drainage easement with access
to a public Right of Way (ROW)?
Inlet velocity (from treatment system)
Is the area surrounding the cell likely to undergo development in
the future?
Are the slopes draining to the biorelention cell greater than 20%?
Is the drainage area permanently stabilized?
Pretreatment Used
(Indicate Type Used with an'X' in the shaded cell)
Gravel and grass
(flinches gravel followed by 3-5 ft of grass)
Grassed Swale
Forebay
Other
y (Y or N) OK
y (Y or N) OK
y (Y or N) OK
n (Y or N) Insufficient ROW location.
1.79 fUsec Insufficient inlet velocity unless energy dissipating devices are
being used.
n (Y or N) OK
n (Y or N) OK
y (Y or N) OK
x OK
Form SW401-Bioretention-Rev.7
Pates I and II. Design Summary, Page 2 of 2

Permit No:
(to be assigned by DWQ)
Please indicate the page or plan sheet numbers where the supporting documentation can be found. An incomplete submittal package will
result in a request for'additional information. This will delay final review and approval of the project Initial in the space provided to
indicate the following design requirements have been met. If the applicant has designated an agent, the agent may initial below. If a
requirement has not been met, attach justification.
Pagel Plan
Initi0'
Sheet No.
n�..^1/
1
1. Plans (1' - 59 or larger) of the entire site showing:
- Design at ultimate build -out,
- Off -site drainage (if applicable),
- Delineated drainage basins (include Rational C coefficient per basin),
- Cell dimensions,
- Pretreatment system,
- High flow bypass system,
- Maintenance access,
- Recorded drainage easement and public right of way (ROW),
- Clean out pipe locations,
j
- Overflow device, and
- Boundaries of drainage easemas.
VQ
Z
2. Plan details (1' = 30' or larger) for the bioretention cell showing:
- Cell dimensions
- Pretreatment system,
- Hgh flax bypass system,
- Maintenance access,
- Recorded drainage easement and public right of way (ROW),
- Design at ultimate build -out,
- Off-sfte drainage (if applicable),
- Clean out pipe locations,
- Overflow device, and
- Boundaries of drainage easement.
Indicate the P-Index between 10 and 30
3. Section view of the bioretention cell (V = 29 or larger) showing:
- Side slopes, 3:1 or lower
- Urderdrain system (if applicable), and
- Bioretention cell layers (ground level and slope, pre-treatment, ponding depth, mulch depth, fill media
I
depth, washed sand, filter fabric (or choking stone if applicable), #57 stone, ulderdrains (if applicable),
i1
SH Wi level(s), and overflow structural
4. A soils report that is based upon an actual field investigation, soil borings, and infiltration tests. The
results of the soils report must be verified in the field by DWQ by completing & submitfirg the soils
investigation request form. County soil maps are not an acceptable source of soils information. All
elevations shall be in feet mean sea level (fmsl). Results of soils tests of both the planting soil and the in
situ soil must include:
-Soil permeability, '.
- Soil composition (% sand, % fines, % organic), and P ndx—- a lk ' -U �50C1 IaJLE
/Q' of-j./lOV4�
N
5. A detailed planting plan (1' = 20' or larger) prepared by a qualified individual shoring:'
1-3
- A variety of suitable species,
- Saes, spacing and locations of plantings,
- Total quantity of each type of plant specified,
-A planting detail,
mow,.
f '`
- The source nursery for the plants, and
f
- Fertilizer and watering requirements to establish vegetation.
I
'6. An assurance that the installed system will meet design specifications upon final operation once the
I, "jy
(-project is complete and the entire drainage area is stabilized.
7. A construction sequence that shows how the biorelenfion cell will be protected from sediment until the
entire drainage area is stabilized.
i
J
8. The supporting calculations (including underdrain calculations, ff applicable).
9. A copy of the signed and notarized inspection and maintenance (I&M) agreement.
�j
10. A copy of the deed restriction.
Farm SW401-Bioretention-Rev.7
Part III, Page 1 of 1

Permit Number.
(to he provided by DWO)
Drainage Area Number:
Bioretention Operation and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a
log in a known set location. Any deficient BNiP elements noted in the insp t;on will be
corrected, repaired or replaced immediately. These deficiencies can affeclTfh �faLfna�� nIVy��
of structures, safety of the public, and the removal efficiency of the BMP. '` �I
Important operation and maintenance procedures: AN 14 2010
— Immediately after the bioretention cell is established, the plants will be waterfdn
twice I weekly if needed until the plants become established (cotatirxtgrlly six @
weeks).
— Snow, mulch or any other material will NEVER be piled on the surface of the
bioretention cell.
— Heavy equipment will NEVER be driven over the bioretention ce1L
— Special care will be taken to prevent sediment from entering the bioretention cell.
— Oncela year, a soil test of the soil media will be conducted.
After the bioretention cell is established, 1 will inspect it once a month and within 24
hours after every storm event greater than 1.0 inches (or 1.5 inches if in a Coastal
County). Records of operation and maintenance will be kept in a known set location
and will be available upon request.
I
Inspection activities shall be performed as follows. Any problems that are found shall
be repaired immediately.
I
BMP element:
Potentialproblems:
How 1 will remediate theproblem:
The entire BMP
Trash debris is present.
Remove the trash/debris.
The perimeter of the
bioretention cell
Areas of bare soil and/or
erosive gullies have formed.
Regrade the soil if necessary to
remove the gully, and then plant a
ground cover and water until it is
established. Provide lime and a
one-time fertilizer application.
The inlet device: pipe,
stone verge or, swale
The pipe is clogged (if
applicable).
Unclog the pipe. Dispose of the
sediment off -site.
The pipe is cracked or
Replace the pipe.
otherwise damaged (if
applicable).
Erosion is occurring in the
Regrade the Swale if necessary to
swale (if applicable).
smooth it over and provide erosion
control devices such as reinforced
turf matting or riprap to avoid
future problems with erosion.
Stone verge is clogged or
covered in sediment (if
Remove sediment and clogged
stone and replace with clean stone.
a licable).
FormSW401-13iotetentionOf:M-Rev.3 Page I of4

�I
BMP element,
Potentialproblems:
How I will remediate theproblem:
The pretreatment area
Flow is bypassing
Regrade if necessary to route all
pretreatment area and/or
flow to the pretreatment area.
gullies have formed.
Restabilize the area after grading.
Sediment has accumulated to
Search for the source of the
a depth greater than three
sediment and remedy the problem if
inches.
possible. Remove the sediment and
restabilize the pretreatment area.
Erosion has occurred.
Provide additional erosion
protection such as reinforced turf
matting or riprap if needed to
prevent future erosion problems.
Weeds are present.
Remove the weeds, preferably by
hand.
The bioreterition cell:
Best professional practices
Prune according to best professional
vegetation
show that pruning is needed
practices.
to maintain optimal plant
health.
Plants are dead, diseased or
Determine the source of the
dying.
problem: soils, hydrology, disease,
etc. Remedy the problem and
replace plants. Provide a one-time
fertilizer application to establish the
ground cover if a soil test indicates
it is necessary.
Tree stakes/wires are present
Remove tree stake/wires (which
j
six months after planting.
can kill the tree if not removed).
The bioreterition cell:
Mulch is breaking down or
Spot mulch if there are only random
soils and mulch
has Floated away.
void areas. Replace whole mulch
layer if necessary. Remove the
remaining much and replace with
triple shredded hard wood mulch at
a maximum depth of three inches.
Soils and/or mulch are
Determine the extent of the clogging
clogged with sediment.
- remove and replace either just the
top layers or the entire media as
needed. Dispose of the spoil in an
appropriate off -site location. Use
triple shredded hard wood mulch at
a maximum depth of three inches.
Search for the source of the
sediment and remedy the problem if
possible.
An annual soil test shows that
Dolomitic lime shall be applied as
j
pH has dropped or heavy
recommended per the soil test and
metals have accumulated in
toxic soils shall be removed,
the soil media.
disposed of properly and replaced
with new planting media.
Form SW401-13ioretention O&NI-Rev.3 Page 2 of 4

BMP element:
Potentialproblems:
How I will remediate theproblem:
The underdrain system
if applicable)
Clogging has occurred.
Wash out the underdrain system.
The drop inlet
Clogging has occurred.
Clean out the drop inlet. Dispose of
the sediment off -site.
The drop inlet is damaged
Repair or replace the drop inlet.
The receiving water
Erosion or other signs of
Contact the NC Division of Water
damage have occurred at the
Quality 401 Oversight Unit at 919-
outlet.
7'.13-1786.
i
I
I
i
I
Form SW401-13ioretention O&M-Rev.3
I
Page 3 of-4

Permit Number:
(to be provided by DWQ)
acknow led ge'tand agree by my signature below that 1 am responsible for the
performance of the maintenance procedures listed above. l agree to notify DWQ of any
problems with the system or prior to any changes to the system or responsible party.
Project nomeT.U. M.C. Building Additi
BMP draina,geiarea number: l
S
Ir. ��C
Note: The legally responsible party should not be a homeowners association unless more than 50% of
the lots have been sold and a resident of the subdivision has been named the president.
I, -Jo-AAA rso It r, a Notary Public for the State of
No?F(ti Cain✓ ;n o. , County of do hereby certify that
'- Jr personally appeared before me this 13 Y)'
clay of � a.n.vd r j a o l O , and acknowledge the due execution of the
forgoing bioretention maintenance requirements. Witness my hand and official seal,
SEAL
My commission expires l' l 3 O2o 0
II
Form SW401-Bioretention I&M-Rev. 2
RECET tl ED
JAN 14 20%
Dw4
PROD #
Page 4 of 4

State Stormwater Management Systems s
Permit No. SV 7091014
First United Methodist Church Building Addition
Stormwater Permit No. SW7091014
Beaufort County FEB 1 0 2011
a.-.
Designer's Certification
I, rn- as a duly registered 2.nq (nC�e-r— in the
State of North Carolina, having been authorized to observeeriodicat weekly/
full time) the construction of the project,
Le 1 /C4'
(Project Name)
for (Project Owner) hereby state that, to the
best of my abilities, due care and diligence was used in the observation of the project
construction such'ithat 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 2d z Z
Date ' L f'S�
`%J 11Ir1/1F�
;Q C•
SEAL
3: SEYQL Z
F�GINEEe 44C; Z
0
Page 6 of 7

State Stormwater Management Systems
Permit No. SW7091014
First United Methodist Church Building Addition
Certification Requirements:
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.
x,,-�3. All the built -upon area associated with the project is graded such that the
runoff drains to the system.
4. All roof drains are located such that the runoff is directed into the system.
- 5. The outlet/bypass structure elevations are per the approved plan.
fThe outlet structure is located per the approved plans.
v7. Trash rack is provided on the outlet/bypass structure.
�8! All slopes are grassed with permanent vegetation, per the vegetation plan.
✓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.
L___�11. The permitted amounts of surface area and/or volume have been
provided.
12. _ Required drawdown devices are correctly sized per the approved plans.
✓13. All required design depths are provided.
All required parts of the system are provided, such as a vegetated shelf,
and a forebay.
15. The required system dimensions are provided per the approved plans.
cc: Beaufort County Building Inspections
Page 7 of 7

USE OI
a Paid
SvJfl�k it
l't ; U��j�ii % State of North Carolina
Department of Environment and Natural Resources
Division of Water Quality
STORMWATER MANAGEMENT PERMIT APPLICATION FORM
This form may be photocopied for use as an original
I. GENERAL INFORMATION
161
1. Applicants name (specify the name of the corporation, individual, etc. who owns the project):
First United Methodist Church
2. Print Owner/Signing Official's name and title (person legally responsible for facility and compliance):
Frederick Howdy, r Chairman F.U.M.C. Buiilding Comm.
3. Mailing Address for person listed in item 2 above:
State:NC Zip:27889
City:Washin ton
Phone: (252 ) 946-3371
Fax:
4. Project Name (subdivision, facility, or establishment name -should be consistent with project name on plans,
specifications, letters, operation and maintenance agreements, etc.):
First United Methodist Church Bldg Addition
5. Location of Project (street address):
corner of 3^1 Street and Van Nord en
County:Beaufort Zip:27889
City:Washin ton
6. Directions to project (from nearest major intersection):
corner of 3rd and Van Norden Street
itude:77 ° 05' 45" W of project
Lon
7. Latitude: 350 54' 29" N i g
8. Contact person who car, answer questions about the project:
Name:Marie Peedin PE Telephone Number: (252 1 945-2983
Ernail:[e-mail]
II. PERMIT INFORMATION:
1. Specify whether project is (check one): ®New
QRenewal ❑Modification
Form SWU-101 Version 09.25.08 Page I of

i �; Ili` , , I, ,

2. If this application is being submitted as the result of a renewal or modification to an existing permit, list the
existing permit number and its issue date (if known)
3. Specify the type of project (check one):
❑Low Density NHigh 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):
❑LAMA 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.
The stormwater from the development shall be treated by grass swales and a dry detention basin The site is
designed to sheet Flow into the swales and storm drain pipes and ulitmately into the dry detentin basin for the
stormwater to outlet inot;the city's existing draiange system located in Thirds Stree.
2. Stormwater runoff from this project drains to the Tar Pam River basin.
3. Total Property Area:1.74 acres 4. Total Coastal Wetlands Area: 0 acres
5. Total Property Area (3) - Total Coastal Wetlands Area (4) = Total Project Area**:1.74 acres
6. (Total Impervious Area / Total Project Area) X 100 = Project Built Upon Area (BUA): %
7. How many drainage areas does the project have?l
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, com lete the table with one drainage area for each engineered stormwater device.
Basin Information
Drainage Area 1
Drainage Area 2
Receiving Stream Name
Pamlico River
Stream Class & Index No.
Total Drainage Area (so
76230
On -site Drainage Area (so
76230
Off -site Drainage Area (so
0
Existing Impervious* Area (so
0
Proposed Impervious*Area'(sf)
43560
% Impervious* Area (total) '
.57
Impervious* Surface Area
Drainage Area 1
Drainage Area 2
On -site Buildings (so
19602
On -site Streets (so
0
On -site Parking (so
21780
On -site Sidewalks (so
2178
Other on -site (so
Off -site (so
Total (sf):
43560
Impervious area is defined ias the built upon area including, but not limited to, buildings, roads, parking areas,
sidtivalks, gravel areas, etc.
Form SWU-101 Version 09.25.08 Page 2 of 4

ds
ol use when
**Tohrce rproject
area
ballla e calcTllis is the noon cludeto Coastal
alaIVeoaerrnllpercent project builtlnpoll area (BIUA)on aren
p
9. How was the off -site impervious area listed above derived?n a no offsite water to drain throw h the ro ec
Cortlacl the DWQ Central Office staff to check to see if you project is located
Projects in Union County:
cies watershed that may be subject to more stringent slornnvu er
within a Threatened &Endangered Spe
requirements.
IV. DEED RESTRICTIONS AND PROTECTIVE COVENANTS d to be recorded for all
One of the following property restrictions and protective covenants are requirelot
subdivisions,lot number, and future size and thedevelopment allowable ebult�uponor to area for each lot must be pe sale of any lot- If7 sizes
ded as anvary signif attaclhmetable
listing each o.ennstate.nc-W su bm
forms.htm - deed restrictions.
Forms can be downloaded from htt
Form DRPC-1 High Density Commercial Subdivisions
Form DRPC-2 High Density Developments with Outparcels
Form DRPC-3 I-ligh 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
property restrictions and protective covenants for this
applicable items required in the above form, that the covenants will be binding
By your signature below, you certify that the recorded prop Y that the required covenants
project shall include all the app that the will run with the land,
on all parties and persons claiming under them, Y
and that they will be recorded prior to
cannot be changed or deleted without concurrence from the NC DWQ,
the sale of any lot-
V. SUPPLEMENT FORMS
The applicable state 'tor eContacgthe StoPmwater Permit ermitting Un ent t att(9 9) 07-6300 foristed below mus;t the status submitted
reach
BMP specified for project.
availability of these forms. Forms can be downloaded from htt h2o.enrstate.nc.us su m forms. tm.
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
Form SWU-101 Version 09.25.08
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
Page 3 of 4

YL SUBMITTAL REQUIREMENTS
Only complete application packages will be accepted and reviewed by the Division of Water Quality (DWQ).
A complete package includes all of the items listed below. The complete application package should be
submitted to the appropriate DWQ Office. (Appropriate office may be found by locating project on the
interactive online map at http://h2o.enr.state.nc.us/su/msi maps.htm)
Please indicate that you have provided the following required information by initialing in the space provided
next to each item.
• Original and one copy of the Stormwater Management Permit Application Form
]nitia
• Original and one copy of the Deed Restrictions & Protective Covenants Form (if
required as per Part IV above)
• Original of the applicable Supplement Form(s) and O&M agreement(s) for each BMP
• Permit application processing fee of $505 (Express: $4,000 for HD, $2,000 for LD)
payable to NCDENR
• Calculations & detailed narrative description of stormwater treatment/management
• Copy of any applicable soils report
• Two copies of plans and specifications (sealed, signed & dated), including:
- Development/Project name
- Engineer and firm
-Legend
- North arrow
- Scale
- Revision number & date
- Mean high water line
- Dimensioned property/project boundary
- Location map with named streets or NCSR numbers
- Original contours, proposed contours, spot elevations, finished floor elevations
- Details of roads, drainage features, collection systems, and Stormwater control measures
- Wetlands delineated, or a note on plans that none exist
- Existing drainage (including off -site), drainage easements, pipe sizes, runoff calculations
- Drainage areas delineated
- Vegetated buffers (where required)
VIL AGENT AUTHORIZATION
If you wish to designate authority to another individual or firm so that they may provide information on your
behalf (such as additional information requests), please complete this section. (ex. designing engineer or firm)
Designated agent (individual or firm):Pamlico Engineering_Services, PLLC
Mailing Address:128 Abbey Lane
City:Washington State:NC Zip:27889
Phone: (252 ) 945-2983 Fax: [phone] )
Email:[e-mail]
VIII. APPLICANT'S CERTIFICATION
I, (print or type nnrne of person listed in General Information, item 2) Frednek Howdv. Jr,
certify that the information included on this permit application form is, to the best of my knowledge, correct and
that the project will be constructed in conformance with the approved plans, that the required deed restrictions
and protective covenants will be recorded, and that the proposed project complies with the requirements of 15A
NCAC 2H .1000.
Date:
Form SWU-101 Version 09.25.08 Page 4 of

QG
1
First United Methodist Church
Attn: Mr. Frederick Howdy, Jr.
304 West Second Street
Washington, NC 27889
Dear Mr. Howdy:
=
Beverly Eaves Perdue, Governor
Dee Freeman, Secretary
North Carolina Department of Environment and Natural Resources
December 14, 2009
Subject: Stormwater Review SW7091014
First United Methodist Church
Building Addition
Beaufort County
Coleco 11, Sullins, Director
Division of Water Quality
This office received a stormwater permit application for the subject project on November 19,
2009. Revised plans and modifications were hand delivered to our office on December 7, 2009 by Ms.
Marie Peedin. A preliminary review of the plans and specifications has been completed. In order to
complete your application, and before a permit can be issued, the following items must be addressed:
1. The proposed infiltration basin appears to be a "hybrid design" that does not meet the
requirements of the state BMP manual. Revise plans 8 specifications to comply with
current design requirements. Any deviations from current rules/design requirements
must provide equal, or better control, and be supported by the design engineer.
2. Revise stormwater narrative to explain drainage basins and all stormwater control measures.
3. Show all stormwater design calculations:
4. Revise stormwater application, supplement sheets, plans & specifications to reflect all
changes.
The above requested information must be received in this office by January 14, 2009, or your
project will be returned as incomplete. If the project is returned, a new application and fee will be
required. If you have questions, please feel free to contact me at [phone]. or you can send a
message to: [e-mail].
Sincerely,
William J. Moore
Environmental Engineer
Washington Regional Office
cc: Pamlico Engineering Services, PLLC
Beaufort County Planning/Inspections
hington Regional Office
Phone [phone] Location Nr Caro rna
Meiling Address ( ) 7�7r,[,h
1617 Mail Service Center Fax [phone] N.h, isbury 276St ✓ r"'*- 7Y
Raleigh, NC 27699-1617
Internet: www.ncwaternualitv.ora Customer Service 1-877-623-6748

Sz;
�1
7,3k— gI.r
76
/. S-iKuQ. c�4-icl-- �' 3_3X_90 6�ts,..—,!' /• 6 ��%�f .�
R S'foyo / S boo c
7So c -)
Y

O

• Permit No.
(to be provided by DWQ)
OF wATFH
�•nSTORMWATER MANAGEMENT PERMIT APPLICATION FORM a
NCDENR 401 CERTIFICATION APPLICATION FORM
DRY EXTENDED DETENTION BASIN SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Items Checklist (Part III) must be printed, rifled out and submitted along with all the required information.
Project name
Contact person
Phone number
Date
Drainage area number
II. DESIGN INFORMATION
Site Characteristics
First Un"r
Marie U.
Drainage area
76,230.00
f?
Impervious area
43,560.00
fl'
% Impervious
0.57
Design rainfall depth
1.50
in
Peak Flow Calculations
1-yr, 24-hr rainfall depth
3.19
in
Rational C, pre -development
0.35
(unitless)
Rational C, post -development
0.65
(unitless)
Rainfall intensity: 1-yr, 24-hr storm
0.13
in/hr
Pre -development 1-yr, 24-hr peak flow
0.07
tt'/sec
Post -development 1-yr, 24-hr peak flow
0.14
ft'Isec
PrelPost 1-yr, 24-hr peak control
0.07
ft'/sec
Storage Volume: Non -SA Waters
Minimum required volume
5,400.00
It'
Provided volume
6,750.00
fl'
OK
Sediment storage volume provided
1,690.00
ff'
OK
Storage Volume: SA Waters
1.5' runoff volume
tt'
Pre -development 1-yr, 24-hr runoff volume
ft
Post-development 1-yr, 24-hr runoff volume
fl'
Minimum required volume
It,
Provided volume
ff'
Sediment storage volume provided
ft'
Basin Design Parameters
- Drawdown time
2.00
days
OK
SHWTelevation
0.00
fmsl
Basin bottom elevation
2.40
fmsl
OK
Storage elevation
4.00
fmsl
Basin side slopes
3.0
:1
OK
Top elevation
5.50
fmsl
OK
Freeboard provided
1.00
it
OK
Basin Bottom Dimensions
Basin length
90.00
It
Basin width
33.00
fl
Length to width ratio
3.00
:1
OK
Form SW401-Dry Extended Detention Basin-Rev.3 Pads I. 611. Design Summary, Page i of 2

Permit No.
(to be Provided by DWQ)
Additional Information
Total runoff volume raptured by basin
Forebay provided
Is basin in a recorded drainage easement?
Does basin capture all runoff at ultimate build -out?
Is a sediment depth indicator included?
Does the basin include a drain?
1.70 ac-in Forebay is not required
N (Y or N)
(Y or N)
n (Y or N)
Y (Y or N)
Y (Y or N)
Required to capture all runoff from the ultimate build -out
OK
OK
Form SW401-Dry Emended Detention Basin-Rev.3 Parts 1, a 11. Design Summary, Page 2 of 2

First United Methodist Church F�,,,
Building Addition
Washinb on, North Carolina NOV 1 9 2009
Storm Water Management Plan - Revised
LOCATION:
This site is located on the comer of Van Norden Street and NC HWY 32, 3`d Street, in
down town Washington, Beaufort County, North Carolina. The site is currently an open
grass field.
DESCRIPTION:
This site is currently an open maintained grass lot. The development is going to disturb
approximately 1.7 acres.
EXISTING DRAINAGE PATTERNS:
Surface runoff flows from the property into existing drop inlets located along 3rd Street
and into the City of Washington's storm drainage system. This water will ultimately
drain into the Pamlico River. The work that is to be preformed will not change the
existing drainage pattern. There are no riparian buffers on this project area.
PROPOSED PROJECT:
This project will consist of stripping the site and grading the existing lot for construction
of the building facility and additional parking. All drainage shall continue in the same
manner as was before construction.
Storm Water Management
Runoff from the site shall be treated through grass swales and a dry detention pond. It
has been determined by the soils report the seasonal high water table is approximately six
feet below the existing ground. With this information we were able to provide the
required 2' separation between the bottom of the dry pond and the SHWT. The ponds
volume has been designed to treat the 1.5" rainfall and draw this runoff down over 2-5
days. The additional runoff which is to be detained shall be stored in the parking lot as
well as the dry pond. The system has been designed to allow only the pre development
discharge to leave the site during the rain storm event. Attached are the calculations
giving the exact figures for all the volumes.

r—
a

The outlet structure has been designed with a weir wall to allow storms of a larger size to
bypass the system and drain directly into the storm drainage system. The smaller storm
event is controlled by an orifice in the weir wall which is designed to allow the pre
discharge flow from the 1 yr 24 hour storm.
Eneineers Certification
I, Marie U. Peedin, PE do hereby sign this certification stating the design of this drainage
system for the First United Methodist Church — Building addition is in compliance with
the City of Washington's stormwater management ordinance. This design is also in
compliance with the Tar Pam Nutrient Reduction Laws.
C-- ! v e9 SEAL
%%%jtt CAyO���i
�``�OQ��ES8/p • `'?''�S

First United Methodist Church
Building Addition
Washington, North Carolina
Storm Water Management Plan - Revised
DEC 0 7 2009
LOCATION -
This site is located on the corner of Van Norden Street and NC HWY 32, 3rd Street, in
down town Washington, Beaufort County, North Carolina. The site is currently an open
grass field.
DESCRIPTION:
This site is currently an open maintained grass lot. The development is going to disturb
approximately 1.7 acres.
EXISTING DRAINAGE PATTERNS:
Surface runoff flows from the property into existing drop inlets located along 3rd Street
and into the City of Washington's storm drainage system. This water will ultimately
drain into the Pamlico River. The work that is to be preformed will not change the
existing drainage pattern. There are no riparian buffers on this project area.
PROPOSED PROJECT:
This project will consist of stripping the site and grading the existing lot for construction
of the building facility and additional parking. All drainage shall continue in the same
manner as was before construction. This project is located within the City of Washington
and the infiltration basin will not be near any drinking wells. Also the site is more than
1500 feet from the Pamlico River
Storm Water Mana ement
Runoff from the site shall be treated through grass swales, catch basins with sumps for
sediment and an infiltration pond. It has been determined by the soils report the seasonal
high water table is approximately six feet below the existing ground. With this
information we were able to provide the required 2' separation between the bottom of the
infiltration pond and the SHWT- The ponds volume has n desi ed to treat a .5"
rainfall and draw this rundown over 2-5 days. The additional runoff which is to be
detained shall be stored in the parking lot as well as the dry pond. The system has been
designed to allow only the pre development discharge to leave the site during heavy rain

(OR ',

vall events all other storm events shall infiltrate into the ground. Attached are the
calculations giving the exact figures for all the volumes.
The outlet structure hI been designed with a weir wail to allow storms of a larger size to
bypass the system and drain directly into the storm drainage system. The smaller storm
event is controlled by an orifice in the weir wall which is designed to allow the pre
discharge flow from the 1 yr 24 hour storm.
I, Mane U. Peedin, PE Ido hereby sign this certification stating the design of this drainage
system for the First United Methodist Church — Building addition is in compliance with
the City of Washington's stormwater management ordinance. This design is also in
compliance with the Tar Pam Nutrient Reduction haws.
% SEAT,
11111111111//,
CAgO<,��'i
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'�9�1c ~t�01NE�r•��4

J

Project name: FUMC
By:_Pamlico Engineering Ser. PLLC
EEP Calculations Worksheet City of Washington
Rates as of February 6, 2008 Nitrogen $21.67/lb Phosphorous $28.62/lb
Nitrogen Offset Calculations:
Area
# of lbs. Acres Developed
Total
1
2
3.62 1.77
0
$4,165.45
G. Total N
3
0
0 0
$0.00
$4,166.45
4
0 0
$0.00
$0.00
Phosphorous Offset Calculations:
Area
# of lbs. Acres Developed
Total
1
2
0.36 1.77
0
$5,471.00
G. Total P
3
0
0 0
$0.00
$5,471.00
4
0 0
$0.00
$0.00
EEP picks the higher of the 2 amounts and that is your EEP Payment
The unt
ed Is!
Formulas: N Payment=(($lib N)(# of Ibs/yr) acores devvw$30 yrs.) &P Payment=($10.11b P)(# Ibslyrs)(acres dev.)(30 yrs.)
Directions: For the Above worksheet, please enter in each Area the number of pounds of
Ih
Date:_9/15/09
e t or nitrogen or phosphorous that you are over (4.01b nitrogen max. 0.4 phosphorous max)
In each area enter the number of acres being developed for that area only.
Updates will be made periodically. Please check that you are using the most
Version 1.0 recent copy of the worksheet. The City will always use the most recent
Updated June 10, 2008 numbers and formulas given to us by the EEP
Questions call: [phone] The amount you pay is the Red Dollar Amount
This worksheet Is brought to you by the City of Washington Stormwater Division; part of Public Works and Water Resources

1

Tar -Pamlico Stormwater Rule 15A
Coastal Plain of the
Includes Greenville and w;
Last Modified 5/23/03
Project Name:
Date:
By:
2B .0258
'amlico River Basin:
n as well as Par and Beaufort
By:
It maybe advantageous to split the development into separaw catchments to be handled by separate BMPs. The cables blow allow ¢ develo
pment to be split iram as many as three curlaacros, and can be copied for grater than duce. NOTE. UdesnuroEtlowing
wo the development from offa' is routed separately around or through the sit, the offsite otehment arcs draining s must flowing
icluded in the acreage values obe
f the appropriate land use(s) and treated.
Above each tablr. Enter the rdtchment acreage in the top green blank Based on a comparison ofthe post-developmett TN and TP
court coefficients you calculated shout to the rule requirements of 4.0 Waciyr TN and 0.4 lb.Fac/yr TP, select BMP(s) from the list for
rating the catchment mnoft. Enter the chosen BMP(s) nutrient removal rates in the green blanks. If matt than p( BMP it a 6c
axd in series, the combined removal rates will be calculated automatically, in the blue bLvrks.
Catchment Tables: Enter the acre of each type of land cover in the green boxes. T he
spreadsheet mes. NOTE: Compare the the Total Catchment Acrca a for the Development (final table) to the vat= you will calculate all of the light blue
arkshcet table, and also to the site plans, for consiistenty. All of these values need to be the a established in the pre•BMP
BMP
wet Detrnnom Pow
25
40
NC BMP Manual
Nutrient
-US. P +K.••WrCrF
,Srormsvater WeOamd '.
qQ
35
NC BMP Manual
Removal,
r+
",Sand Fdee+y?
35
45
NC BMP Manual
Rates
B OrctenbdY
iajµ y..�s
40.
45
NC BMP Manual
:Crass Stes�,e"t:);y
20
20
NC BMP Manual
Vegetated Filter Stnp w/r".
'-`tiLevcl S reader hA,
20
35
NC BMP Manual
+ Dry )ctenliom "�
10
i -,�
10
NC BMP Manual
Total acreage ofcatchmrnt 1ar');y,0�`1,77At ac
First BMPs TN removal tare =gag' 30 % First BMPs TP removal rate
Second BMPs TN removal rate = 0
A5�40,0 /o removal rate ="g;?Oar%
Third Second BMP's TP BMP3 TN removal rate =E '[ O.TS-21 % Third BMPs TP removal rate = z o
TOTAL TN REMOVAL RATE = 30 % TOTAL TP REMOVAL RATE _ O o 0
35 %
5.65 2.60
8.09
0.19
0.59
,5.65 1,95
4.%
0.11
O28
5.65 1.42
6.02
0.28
1.19
5.65 0.94
0.00
0.14
0.00
5.65 1.95
0.22
0.11
0.01
Y N4
Unew2d
1928
;„u PreBMPMTP
Bt/yij=
(%Load (Ib/yr),�
207
1*1P1c-BMP,TN
Export
10k9
*S'ProBMP:TP
.'
sr (Ib/ac/yr)
+++•.
Export (16/adrr)
1.17
J v°a r' Post-Bb7P,TN
n �%•. K'oa.
13.50
"':Post BMP TP
. r+ ;Load (Ib/ye)=
L'lmd(Ib/ r -
Iw
u-^� r., Posst-BMP TIV
Post-BMP.TP
s�t.`eyj Expoi(ID/adY�)
762
ck n ._.
0.76

Tar -Pamlico Stormwater Rule 15AI NCAC 2B .0258
the Catchments:
Last Modified 5/23103
1.77
7,62
0.76
0.00
0.00
0.00
0.00
0.00
0.00
1.77
7.62
0.76
Note: The nutrient loading goals arc 4,0 Ib/ac/yr for IN and 0.4 Ib/ac/yr for TP. If the POSE-developmem nutrient
loading is below these Ievcjs, then the BMPs planned are adequate. Otherwise, additional BMPs and/of
modiHcationsi in devetopment plans are required.

Permit Number:
(lo be provided by DWOJ
Drainage Area Number.
Basin Operation and Maintenance Agreement
I will keep a maintenance record on this BMP. This maintenance record will be kept in a
log in a known set location. Any deficient BMP elements noted in the inspection will be
corrected, repaired orlreplaced immediately. These deficiencies can affect the integrity
of structures, safety of the public, and the removal efficiency of the BMP-
Important maintenance procedures:
— The drainage area will be carefully managed to reduce the sediment load to the
infiltration basin
— Immediately after the infiltration basin is established, the vegetation will be
watered twice weekly if needed until the plants become established (commonly
six weeks).
— No portion of the infiltration basin will be fertilized after the initial fertilization
that is required to establish the vegetation.
The vegetation in and around the basin will be maintained at a height of
approximately six inches.
After the infiltration basin is established, it will be inspected once a quarter and within
24 hours after every storm event greater than 1.0 inches (or 1-5inches if in a Coastal
County). Records of operation and maintenance will be kept in a known set location
and will be available upon request.
Inspection activities shall
be repaired immediately.
The
basin
The inlet device: pipe or
Swale
performed as follows. Any problems that are found shall
E,
❑ vare sou anQ/ or
gullies have formed.
is clogged (if
pipe is cracked or
rwise damaged (if
Erosion is occurring
swale (if applicable).
xegrade the soil if necessary to
remove the gully, and then plant a
ground cover and water until it is
established. Provide lime and a
Unclog the pipe. Dispose of the
sediment off -site.
Replace the pipe.
1 egade the Swale if necessary to
smooth it over and provide erosion
control devices such as reinforced
turf matting or riprap to avoid
future problems with erosion_
Form SW401-infiltration Basin O&M-Rev-3
Page 1 of 3

BMP element.
The forebay
Potential problem:
Sediment
How I will remediate the problem
has accumulated
Search for the source of the
and reduced the depth to 75%
sediment and remedy the problem if
Of the original design depth.
possible. Remove the sediment and
dispose of it in a location where it
will not cause impacts to streams or
the BMP.
Erosion has occurred or
Provide additional erosion
riprap is displaced.
protection such as reinforced turf
matting or riprap if needed to
ent future erosion problems.
Weeds are present
Remove the weeds, preferably by
hand. If pesticides are used, wipe
them on the plants rather than
The main treatment area
A visible layer of sediment
m.
Search for the source of the
I
has accumulated.
sediment and remedy the problem if
MCCltltu Dea..a...... aL _de _
•-. ..a.�auavY YlIY
dispose of it in a location where it
will not cause impacts to streams or
the BMP. Replace any media that
was removed in the process.
Revegetate disturbed areas
later is standing more than Replace the top few inches of filter
days after a storm event media and see if this corrects the
standing water problem. If so,
rvegetate immediately. If not,
consult an appropriate professional
for a more extensive re air.
eels and noxious plants are Remove the plants by hand or by
owing m the main carping them with pesticide (do not
The embankment 7�Ah
rubs or trees have started Remove shrubs or trees
ow on the embankment. immediate) .
annual inspection by an Make all needed repairpropriate professional
ws that the embankment
The outlet device Clogging has occurred.
Clean out the outlet device. Dispose
of the sediment offsite.
The outlet device is dama ed R air or lace the outlet device,
The receiving water Erosion or other signs of Contact the NC Division of Water
damage have occurred at the Quality 401 Oversight Unit at 919-
FOrtn SW401-Infiltration Basin O&M-Rev.3
Page 2 of 3

I Permit No.
tro be Provided by DWOJ
�'s WAr,.q a
O
MA' STORMWATER MANAGEMENT PERMIT APPLICATION FORM 5�g
�� 401 CERTIFICATION APPLICATION FORM
INFILTRATION BASIN SUPPLEMENT
This form must be filled out, printed and submitted.
The Required Hems Checldut (Part Ill) must be pnmed, filled out and submitted MDT w8h all of the required information.
•mom . •�„R rest unwa McMWMt Church - Buikfi g AdOW
Contact Person Mane U. Peedin, PE
Phone Number y45.2g83
Date 11/12009
Drainage Area Number 1
Drainage area
76,230.00
e
Impervious area
43,56000
f?
Percent impervious
0.57
%
Design rainfall depth
1.50
in
Peak Flow Calcutatiwha
1-yr, 24-hr rainfall depth
3.19
in
1-yr, 24-hr intensity
0.13
in/hr
Pre -development 1-yr, 24-hr discharge
0.07
f lsec
Post -development 1-yr, 24-hr discharge
0.14
ft'/sec
PrelPost 1-yr, 2"r peak flow control
0.07
felsec
Storage Volume: Non -SA Waters
Minimum design volume required
540000
fP
Design volume provided
6,750.00
OK fornon-SA
waters
Storage Volume: W
1.5' runoff volume
Pm-developmem 1-yr. 24-hr runoff volume
Post -development 1-yr, 24-hr runoff volume
fla
Minimum required volume
Volume provided
ft
ft
Soils Report Summary
Sal type
Infiltration rate
1.00
in/hr
SNWrelevation
0.00
fnsl
Basin Design Parameters-��
avdown l
2.00
Basin
Basin side slopes
op
3. 0
days
:1
OK
�
Basin bottom elevation
.40
OK
�1
Storage elevation
4.50
fmsl
Storage Surface Area
2,911.00
flz
Top elevation
5.00
fmsl
Basin Bottom Dimensions
Basin Wo
77.00
ft
Basin wilt
22.00
ft
Bottom Surface Area
1,699.00
If
Forth SW401•Infieretion gasmnRev.a
Parts I. a II. Design Summary, Page 7 of 2

Permit No.
Additional Information
00 be wohuad by DWW
Maximum runoff to each inlet to the basin?
0.50
acin
OK
Length of vegetative fitter for overflow,
ft
Distance to structure
55.00
It
OK
Distance homsurface waters
f,000.00
ft
OK
Distance from water soppy vrell(s)
500.00
It
OK
Separation from impervious soil layer
2,00
ft
OK
Naturally occuring soil above shwt
2.00
It
OK
Bottom covered with 4-in of dean sand?
Y
(Y or N)
OK
Proposed drainage easement provided?
apures all runoff at ultimate b &kwt?
IN
(Y or N)
Need a reccided d a nage easement
Bypass provided for larger stoms?
Y
Y
(Y or N)
(Y or N)
OK
OK
P e reatrnent device provided
Y
Catchbasin with sumps
Form S W401.Infiaraiion Basin-Rev.4
Parts 1.811. Design Summary, Page 2 of

First Methodist Church
Pond Drawdown
Sizing Calculations
Infiltration rate of soil 1 in/hr
Total Stol ge Volume 6500 cf
Temporary Pond Volume 5346 cf
Days to Drawdown 3 days
Q = 0.020625 cis
Sizing the pond for Infiltration
A infiltrating area of pond (sf)
V IVolume of water (cf)
K Hydraulic conductivity of soil (in/hr)
T dewatering time (days)
A 1 891 sf
6S oo 5"C V IV,