North Carolina Agricultural Sciences Center - C16123 - Storm-EZ v1.4.1 - 01.03.2018

Type of application:
Initials
1
2
3
4
Only complete application packages will be accepted and reviewed. A complete package includes all of the items in the checklist
below. Add any comments, and indicate the page or plan sheet number where the following information can be found. Please
indicate that you have provided the following required information by initialing in the space provided next to each item.
Item
6
5
i. Drainage area boundaries (included in the main set of plans, not as a
separate document).
j. Existing and proposed maintenance access routes, utility easements,
drainage easements, public rights-of-way etc.
c. Dimensioned property/project boundary with bearings & distances.
f. Site layout showing all built-upon areas, drainage features, stormwater
collection systems (inlets, outlets, swales, pipe elevations, slopes and
diameters), and SCMs at ultimate build-out.
g. Existing contours, proposed contours, spot elevations, and finished floor
elevations.
h. Existing drainage (including off-site), drainage easements, pipe sizes,
runoff calculations.
c. A table of elevations, incremental volumes and accumulated volumes (if
applicable).
a. Dimensions, side slopes, length to width ratios and elevations with a
benchmark for clean-out if appropriate.
b. All applicable conveyance devices, including: bypass structure,
pretreatment area, flow distribution device, underdrains, outlet device, outlet
dissipater and level spreader.
Two sets of sealed, signed, & dated full-sized plan details of each SCM (or
typical if appropriate) in both plan view and cross-section at a scale of 1" = 30'
or larger, including:
k. A construction sequence that shows how the SCMs will be protected from
sediment until the entire drainage area is stabilized.
d. Specifications for applicable materials, such as planting media, aggregate,
sod, underdrains, outlet devices, etc.
Two sets of sealed, signed, & dated full-sized plans of the entire site at a
readable scale, including:
included
Part I: Submittal Checklist
Application
New Permit
Notes / Comments
Original and one copy of this application form (all worksheets) and the permit
application fee. For applications submitted to the DEMLR regular permitting
program, the fee is $505 payable to NCDENR. For Express Review, click on the
link below for information and fee schedule. Contact the appropriate regional
office Express Review Coordinator to schedule the required pre-application
meeting.
A USGS map identifying the site location. If the receiving stream is reported as
class SA or the receiving stream drains to and is within 1/2 mile of SA waters,
then include the 1/2 mile radius on the map.
North Carolna Agricultural Sciences Center
Raleigh, NC WAKE County
A copy of the most current property deed.
Two copies of additional calculations (as needed). Sealed, signed and dated.
included
included
included
included
Click here for Express Permitting info
d. The boundaries of all surface waters, regulatory flood zones, and protected
riparian buffers or a note on the plans that none exist.
b. Location map with street names and SR numbers, legend, north arrow,
scale.
a. Project name, engineer and firm, revision number and dates.
e. The boundaries of all vegetated or protected riparian buffers.
STORM-EZ
Version 1.4 Application
1/3/2019
Page 1 of 13
8
9
10
11
12
d. A one-time fertilizer specification to establish plants if necessary.
A copy of the proposed deed restrictions protecting the SCMs and limiting the
built-upon area so that it does not exceed the capacity of the SCM(s) or the high
density threshold (as applicable).
Two sealed, signed, & dated planting plans for each SCM (or typical) at a scale
of 1" = 20' or larger, as applicable, including:
a. The locations of each species and a planting detail.
b. A table summarizing the size, spacing and total quantity of each plant
species that should be used.
A copy of the lease agreement or pending sales agreement if applicable.
NC Dept. of the Secretary of State
A soils report based on field evaluation indicating the SHWT elevations within
the footprints of the proposed SCM(s). Provide a map of the boring locations
with the existing elevations and boring logs. For infiltration SCMs, the report
shall include the soil type, infiltration rate and method for determining the
infiltration rate. Soils information shall be signed and sealed by a licensed soil
scientist.
A copy of the signed and notarized operation and maintenance (O & M)
agreement.
7
For corporations and limited liability corporations (LLC): Documentation from
the NC Secretary of State or other official documentation, which supports the
titles and positions held by the persons listed in the Contact Information section.
The corporation or LLC must be listed as an active corporation in good standing
with the NC Secretary of State, otherwise the application will be returned.
NCDENR Deed Restriction Forms
c. The source nursery for the plants.
STORM-EZ
Version 1.4 Application
1/3/2019
Page 2 of 13
Date:
Lat:
Zip:Long:
County:
Project Applicant:
Owner / Signing Offical's Name:
Title:
Address:
City:
State:
Zip:
Phone:
Fax:
Email:
Status of applicant:
River Basin:
Receiving Stream(s):
Stream Class(es):
Surface Water Area (ac):Coastal wetland area (ac):
Total property area (ac):Total project area (ac):
Goals/characteristics:YES Volume Matching (LID) Drains to an offsite stormwater system
Low Density Within 575' of Saltwater ORW
High Density Within 5 miles of a public airport
Briefly summarize how the stormwater runoff will be treated:

Status of construction:
Other permits needed: YES Sedimentation & erosion control YES 404 Permit / 401 Certification
CAMA Major Permit Isolated Wetlands Permit
Threatened & Endangered Species NPDES Industrial Stormwater Permit
If an application for this project has been previously returned, provide the original project number and previous name of the project:
Provide the permit type, number and issue date for any permits that have already been obtained for this project:

If claiming vested rights, then identify (and attach) the supporting documents and approval dates:
Approval of a site-specific development plan or PUD Approval date:
Valid building permit Issue date:
Other Date:
Not Started
Point of Contact:Phone number:
Part II: General Project and Applicant Information
Raleigh
2 W. Edenton Street
Project Street Address:
Part III: Permit Information
40.12
NPDES erosion and sediment control, June 8, 2018, WAKE-20180111; DWR #18-1296 Riparian Buffer Permit/ 401 Permit.
The stormwater runoff will be treated with a series of swales that feed to one bioretention area in the north and one
bioretention area in the south.
NC
-78.7163
Interim Director Property and Construction Division
North Carolina Department of Agriculture
Directions to Project:
North Carolna Agricultural Sciences Center
35.8168
1074
Richlands Creek
[e-mail]
27601
0
Dave Bartone
Raleigh
16.636
919-807-4364
NON-COASTAL
C:NSW
City:
Neuse
(from nearest intersection)
(Identify the corporation, organization, property owner, designated
government official, etc. which owns the project .)
27607
919-707-3095
Owner
SW5180902
Partially Completed
Project Name:01.03.2018
WAKE
4400 Reedy Creek Raod
STORM-EZ
Version 1.4 Application
1/3/2019
Page 3 of 13
Signing Official & Title:
Street address:
Signature: _____________________________________________________________ Date: ____________________________________
I, ___________________________________________, a Notary Public for the State of ___________________________________,
County of ______________________________, do hearby certify that __________________________________________________
personally appeared before me this _____ day of ____________________________, ______________,
and acknowledge the due execution of the application for a stormwater permit.
Witness my hand and official seal, _____________________________________________.
My commission expires ______________________________________________________________
Seal
on this permit applicant 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 restrictusion and protective covenants will be recorded, and that the proposed project complies with the
requirements of the applicable state stormwater rules and requirements.
Phone number(s):
Dave BartoneI, (the Owner & Applicant listed above),
Part VI: Property Owner / Applicant Certification
, certify that the information included
Firm:
City, State, Zip:
Email:
Phone number(s):
Consultant:
[e-mail]
(Note: Person/Organization noted above may be contacted for additional project information if applicant
cannot be reached.)
City, State, Zip:
Email:
919.866.4829
Raleigh, NC 27603
(Optional) Additional Contact
Person / Orginization:
Civil Engineering Practice Area Leader
223 S. West Street, Suite 1100

Joseph Puckett, PE
Part V: Consultant Information
Street address:
Complete this section if you wish to designate authority to another individual or firm so that they may provide information on your
behalf for this project (such as addressing requests for additional information).
Part IV: Additional Contact Information
STORM-EZ
Version 1.4 Application
1/3/2019
Page 4 of 13
1.00
1.41
1.87
2.88
3.48
5.07
6.02
6.78
7.56
Highlighted Storm is Design Storm
1074.00 acres 10.22 acres
0.00 acres 22%
16.64 acres
Complete the breakdown of impervious area for the project
No
NOTE: Please use the Storm-EZ calculation sheets to document the stormwater design
and create the O&M Agreement.
Discrete SCS Method,
Pre - PostCalculation Method
Entire Site
Impervious Surface Area
Offsite Drainage Area (sf)
Stream Index Number
Stream Class
Receiving Stream name
Basin Information
Future (sf)
Off-site (sf)
Existing BUA (sf)
445,159Total
Other On-Site (sf)
126,456
41,431
4,976
On-Site Parking (sf)
On-Site Sidewalks (sf)
On-Site Buildings/Lots (sf)
On-Site Streets (sf)
84,996
64,191
Proposed Impervious Area (sf)
% Impervious Area (total)
268,786
445,160
22%
Total Drainage Area
On-Site Drainage Area (sf)
27-33-11
2,020,356
1,747,531
Richland Creek
C; NSW
Use Worksheet Data?
Total Property Area
Total Coastal Wetlands Area
Total Surface Water Area
Depth
(inches)
P90
First Flush / WQV
P90
P95
50-yr, 24-hr
Design Storm:
Raleigh
1-yr, 24-hr
North Carolna Agricultural Sciences Center
Raleigh, NC WAKE County
Neuse River Basin
RAINFALL & CALCULATION DATA
Rainfall Source:
Project County:
Project City:
WAKE
Raleigh
Raleigh
100-yr, 24-hr
PROJECT INFORMATION
Total Impervious Area
Project % impervious area
< CHECK IMPERVIOUS AREA TOTAL. DOES NOT MATCH CALCULATION
WORKSHEETS
ALL AREAS ARE IN SQUARE FEET
123,109
Entire Site
2-yr, 24-hr
Storm Event
10-yr, 24-hr
25-yr, 24-hr(Minimum Design Storm = P90 for non-SA, 1-yr, 24-hr for SA)
Loaded Rainfall:
STORM-EZ
Version 1.4 Project Data
1/3/2019
Page 5 of 13
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Pre-Development Land Use:
HSG CN %
B 61 39.65%
B 98 6.09%
B 55 54.26%
Note: Enter BUA Draining to
Permeable Pavement Below
HSG
B 0.00 0.00%
46.38 6.09%
Existing Permeable Pavement (Infiltration):
Pavement Area Additional BUA
Soil
Infiltratio
n Rate
Gravel Void
Space
Total
Gravel
Depth
Orifice
Dia.
Orifice
Height
(sf) (sf) (in/hr) (%) (in) (in) (in)
100
DSD PAW Dgr
(in) (%) (in) (sf) (acres)
150 1.41 0.00
46.38 acres
0.00 acres
0.00 acres
0.00 acres
0.00 acres
46.38 acres
Pre-Development SCMs:
Imp. Open
(sf) (sf)
(cf) HSG 123109 1897247
200
Rainfall Volume =65.40 cf
Natural Infiltration & ET =-62.03 cf
Disconnected Impervious Surfaces =0.00 cf
SCM Infiltration =0.00 cf
Permeable Pavement Infiltration =0.00 cf
Green Roof ET =0.00 cf
Post Filtration Discharge =0.00 cf
Total Runoff Reduction =-62.03 cf
Treated SCM Outflow =0.00 cf
Untreated Surface Runoff =3.37 cf
D.S.
BMP
SCM Type
Has Synthetic
Liner?
Permeable Pavement + Additional BUA:
Green Roofs :
0
Existing Green Roofs:
HSG
SCM #
Area DS SCM #
0
Downstream
SCM
Description
Total Site Area:
Land Use Summary:
Description
Preserved Coastal Wetlands :
Notes
Drainage Area
2,020,356 46.38
% Imp
Area (sf.)
WQ Volume
Provided
Area
(ac.)Area (sf.)
Subtotal:
User Defined Drainage Areas:Comp.
CNDescription
Woods
Area
18.39
25.16
Pasture or Open Space 801,089
123,109
Raleigh, NC WAKE County
Neuse River Basin
PRE-DEVELOPMENT LAND USE CALCULATIONS
Drainage Area #
(sf)Land-use (acres)
2.83Impervious
North Carolna Agricultural Sciences Center
Subtotal:
2,020,356
acre-inches =
Design Storm Runoff Fate Summary:
Runoff Reduction Components:
acre-inches =
237,392acre-inches =
1,096,158
SCM #
SCM #
From Land Use Tables: 2,020,356
Preserved Surface Waters & Non-Coastal Wetlands :
BUA %
acre-inches =
acre-inches =
acre-inches =
acre-inches =
acre-inches =
acre-inches =
SCM Treatment:
acre-inches =12,224
The Pre-Development project area contains 123109 sf of built upon area, resulting in an overall density of 6.09%.
0
0
0
-225,167
-225,167
0
0
0
2,020,356
STORM-EZ
Version 1.4 Pre-Development
1/3/2019
Page 6 of 13
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Permeable Pavement:
Infiltration
Rate Void Space
Total
Gravel
Depth
Orifice
Dia.
Orifice
Height
(sf) (acres) (sf) (acres) (in/hr) (%) (in) (in) (in)
500 0.00 0.00 No
DSD PAW Dgr
(in) (%) (in) (sf) (acres)
600 1.41 0.00 No
Residential Lot CN Calculator (Excluding R/W and dedicated open spaces):
Max Imp / Lot Woods / Lot
(ac.) (sf) (sf)
0.00
Remaining Land Use:
HSG CN (sf) (acres) %
B 98.0 445,159 10.22 22.03%
B 61.0 479,039 11.00 23.71%
B 55.0 1,096,158 25.16 54.26%
N/A 0 0.00 0.00%
N/A 0 0.00 0.00%
2,020,356 46.38 100.00%
Land Excluded, or Partially Excluded, from Volume Calculations:(sf.) (ac.)
00.00
00.00
2,020,356 46.38
Rainfall Volume =65.40 cf
Natural Infiltration & ET =-53.22 cf
Disconnected Impervious Surfaces =-2.61 cf
SCM Infiltration =-6.51 cf
Permeable Pavement Infiltration =0.00 cf
Green Roof ET =0.00 cf
Post Filtration Discharge =-0.85 cf
Total Runoff Reduction =-63.19 cf
Area
Open Space / Lot
(sf)
237,392
acre-inches =
-9,486
acre-inches =
-3,078
acre-inches =
acre-inches =
acre-inches =
acre-inches = -193,188
acre-inches =
0
Area
Runoff Reduction Components:
Design Storm Runoff Fate Summary:
North Carolna Agricultural Sciences Center
Raleigh, NC WAKE County
Neuse River Basin
Detention
Check
Has
Synthetic
Liner?
Infiltration
Check
POST-DEVELOPMENT LAND USE CALCULATIONS
Pvmt Type
SCM #
-23,619
0
-229,372
acre-inches =
Total Site Area:
Surface Waters & Non-Coastal Wetlands :
Green Roofs :
Coastal Wetlands :
Woods (Preserved Open Space)
Lot Area
Impervious
Green Roofs:
# of Lots
Land-Use
Open Space (Managed Open Space)
Permeable Pavement + BUA:
Sub-Total:
HSG
Avg Lot Size
Pavement Area
% Imp.(sf.)
Down-
stream
SCM
Additional BUA
SCM #
Downstream
SCM #
Drainage Area #
Retrofit? Comments
STORM-EZ
Version 1.4 Post Development
1/3/2019
Page 7 of 13
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North Carolna Agricultural Sciences Center
Raleigh, NC WAKE County
Neuse River Basin
POST-DEVELOPMENT LAND USE CALCULATIONS
Drainage Area #
Treated SCM Outflow =-0.10 cf
Untreated Surface Runoff =2.11 cf
Pre-Development Runoff =3.37 cf
Difference =-1.26 cfacre-inches =-4,558
acre-inches =12,224
The Post-Development project area contains 445159 sf of built upon area, resulting in an overall density of 22.03%.
acre-inches =
acre-inches =-354
SCM Treatment:
7,666
STORM-EZ
Version 1.4 Post Development
1/3/2019
Page 8 of 13
all of 1
Impervious
(sf)
445,159 (cf) (cf) (cf) (cf) (cf) (cf)
700 North Bioretention Bioretention w/ IWS B 250,660 56% 9%11561 24890 25774 17342 2312 0 131%
701 North Bioswale 1 Disconnected Impervious Type 3 B 35,477 8% 1%346 700 3523 3523 3523 0 0 100%
702 North Bioswale 2 Disconnected Impervious Type 3 B 20,124 5% 1%346 700 1998 1998 1998 0 0 100%
703 North Bioswale 3 Disconnected Impervious Type 3 B 19,841 4% 1%169 700 1970 1970 1970 0 0 100%
704 North Swale Grass Swale B 17,811 4% 0%0 700 1769 1769 531 0 354 100%
705 South Bioretention Bioretention w/ IWS B 65,588 15% 3%7258 6513 6513 5747 766 0 53%
706 South Bioswale 4 Disconnected Impervious Type 3 B 20,090 5% 1%567 705 1995 1995 1995 0 0 100%
Rainfall Volume =65.40 acre-inches =cf
Natural Infiltration & ET =-53.22 acre-inches = cf
Disconnected Impervious Area =-2.61 acre-inches = cf
SCM Infiltration =-6.51 acre-inches = cf
Permeable Pavement Infiltration =0.00 acre-inches = cf
Green Roof ET =0.00 acre-inches = cf
Post Filtration Discharge =-0.85 acre-inches = cf
Total Runoff Reduction =-63.19 acre-inches =cf
SCM Treatment:
Treated SCM Outflow =-0.10 acre-inches =cf
Untreated Surface Runoff =2.11 acre-inches =cf
3.37 acre-inches =cf
-1.26 acre-inches =cf
Down-
stream SCM
#
Drainage
Area Inflow
Volume
-4,558
-229,372
-23,619
-9,486
237,392
Pre-Development Runoff =
-354
7,666
97% of total
impervious
area.
15% of total
pervious
area.
Runoff Reduction Components:
-193,188
429591 sf impervious area entered
compared to 445159 sf total impervious.
12,224
Warnings:
Design Storm Runoff Fate Summary:
The Post-Development project area contains 445159 sf of built upon area, resulting in an overall density of 22.03%.
0
-3,078
**VOLUME MATCHING ACHIEVED**
Difference =
0
231933 sf open space entered
compared to 1575197 sf total
open space.
Pervious
(sf)
1,575,197
North Carolna Agricultural Sciences Center
Raleigh, NC WAKE County
Neuse River Basin
Enter only runoff volume below that will be infiltrated or drawn down over 2 to 5 days. Additional volume provided in devices should not be entered in this worksheet.
Drawdown time requirement applies to all storm events.
Drainage Area #
PROPOSED SIPs & STRUCTURAL RUNOFF VOLUME CONTROLS
Offsite Impervious
Area Treated
Infiltration &
ET
0
8,583
sf
42,929
Total
Inflow
Volume
144,615
% of Total
Impervious
Area
% of Total
Pervious
Area
Storage
Volume
14,343
Note: Large storage devices such as wet/dry detention ponds, constructed wetlands, or infiltration basins may require pond routing calculations. The routing calculations should be provided in addition to this spreadsheet.
Name / Location
Contributing Area
HSG
8,858
10,550
2,055
STORMWATER CONTROL MEASURES
% of SCM
Volume
Utilized
Post
Filtration
Outflow
Treated
Outflow
Type of Device
SCM
#
STORM-EZ
Version 1.4 Stormwater Controls
1/3/2019
Page 9 of 13
all of 1
P90 Storm - Rainfall Depth = 1.41 inches
The"Fate of Rainfall" charts display the hydrologic processes to which rainfall volumes are subjected based on the combinations of land use, soil type, and stormwater controls entered by the user. The charts are designed to display the stormwater
plan in a form which illustrates changes to the hydrologic cycle which result from urbanization and various stormwater management strategies.
Raleigh, NC WAKE County
Neuse River Basin
P90
North Carolna Agricultural Sciences Center
Compliance Storm = P90 Storm - Rainfall Depth = 1.41 inches
Drainage Area #
FATE OF RAINFALL
Select Storm:
VOLUME MATCHING SCALE
Volume Matching Threshold
Basic Treatment Threshold
BASIC TREATMENT SCALE
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Infiltration and ET ‐ 226293 cf Treated Outflow from BMPs ‐ 354 cf Untreated Surface Runoff ‐ 7666 cf% of Total Rainfall VolumePost Development Fates
Post Filtration Outflow ‐ 3078 cf
Other
Infiltration by BMPs ‐ 23619 cf
Permeable Pavement Infiltration ‐ 0 cf
Disconnected Impervious Infiltration ‐ 9486 cf
Green Roof Evapotranspiration ‐ 0 cf
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
Infiltration and ET ‐ 225167 cf Treated Outflow from BMPs ‐ 0 cf Untreated Surface Runoff ‐ 12224 cf% of Total Rainfall VolumePre Development Fates
Post Filtration Outflow ‐ 0 cf Other
Infiltration by BMPs ‐ 0 cf Permeable Pavement Infiltration ‐ 0 cf
Disconnected Impervious Infiltration ‐ 0 cf Green Roof Evapotranspiration ‐ 0 cf
Infiltration and ET ‐ 225167 cf
FATE OF RAINFALL GRAPHS
STORM-EZ
Version 1.4 Rainfall Fate Graph
1/3/2019
Page 10 of 13
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TIME OF CONCENTRATION CALCULATIONS:
Pre-Development
Length (ft) Slope (ft/ft)Tt (hrs)
Length (ft) Slope (ft/ft) n-value
Flow Area
(ft2)Tt (hrs)
Channel Flow:
Channel Flow:
Pre-development Tc =5.00 min (Minimum 5 minutes)
Post Development
Length (ft) Slope (ft/ft)Tt (hrs)
Length (ft) Slope (ft/ft) n-value
Flow Area
(ft2)Tt (hrs)
Channel Flow:
Channel Flow:
Post-development Tc =5.00 min (Minimum 5 minutes)
ADJUSTED CURVE NUMBER CALCULATIONS:
Pre-Development
F.F. P90 P95 1-Yr 2-Yr 10-Yr 25-Yr 50-Yr 100-Yr
Rainfall (in) = 1.00 1.41 1.87 2.88 3.48 5.07 6.02 6.78 7.56
Q*(in) =0.05 0.07 0.12 0.37 0.60 1.40 1.98 2.48 3.02
CNadj =77 71 66 63 62 61 60 60 60
Post Development
F.F. P90 P95 1-Yr 2-Yr 10-Yr 25-Yr 50-Yr 100-Yr
Rainfall (in) = 1.00 1.41 1.87 2.88 3.48 5.07 6.02 6.78 7.56
Q*(in) =0.01 0.05 0.19 0.41 0.66 1.48 2.05 2.54 3.07
CNadj =70 68 70 64 63 62 61 61 61
PEAK FLOW CALCULATIONS:
F.F. P90 P95 1-Yr 2-Yr 10-Yr 25-Yr 50-Yr 100-Yr
Pre-Development
Q* (in) 0.05 0.07 0.12 0.37 0.60 1.40 1.98 2.48 3.02
qu (csm/in)385.00 385.00 385.00 666.59 809.52 931.69 931.69 1165.98 1165.98
Q (cfs) 1.34 2.03 3.31 17.93 35.11 94.36 133.39 209.40 255.53
Post Development
Q* (in) 0.01 0.05 0.19 0.41 0.66 1.48 2.05 2.54 3.07
qu (csm/in)385.00 385.00 512.90 666.59 809.52 931.69 931.69 1165.98 1165.98
Q (cfs) 0.17 1.27 6.98 19.96 38.85 100.07 138.69 215.00 259.63
-87.3% -37.4% 110.9% 11.3% 10.7% 6.1% 4.0% 2.7% 1.6%
Neuse River Basin
ADDITIONAL CALCULATIONS
North Carolna Agricultural Sciences Center
Raleigh, NC WAKE County
Shallow Flow:
Drainage Area #
Surface Cover
Wetted Perimeter (ft)
Sheet Flow:
Surface Cover
Analysis Area = 46.38 Acres (0.072 sq. miles)
Wetted Perimeter (ft)
Sheet Flow:
Shallow Flow:
**Note: To decrease Post-development peak flows - increase storage volume being drawdown or infiltrated or lengthen post-
Analysis Area = 46.38 Acres (0.072 sq. miles)
Sheet Flow:
Shallow Flow:
Sheet Flow:
Shallow Flow:
STORM-EZ
Version 1.4 Peak Flow Calcs
1/3/2019
Page 11 of 13
development time of concentration. See LID HELP for more information.
STORM-EZ
Version 1.4 Peak Flow Calcs
1/3/2019
Page 12 of 13
The BMP(s) on this project include (check all that apply & corresponding O&M tables will be added automatically):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Quantity: Location(s):
Present: No Location(s):
Present: No Location(s):
I, , a Notary Public for the State of
County of , do hearby certify that
personally appeared before me this day of and
acknowledge the due execution of the Operations and Maintenance Agreement .
Witness my hand and official seal, _____________________________________________.
Seal
Maintenance records shall be kept on the following BMP(s). This maintenance record shall be kept in a log in a known set location.
Any deficient BMP elements noted in the inspection will be corrected, repaired, or replaced immediately. These deficiencies can
affect the integrity of structures, safety of the public, and the pollutant removal efficiency of the BMP(s).
Bioretention Cell
Dry Detention Basin
Cover Page
Level Spreader/VFS
My commission expires
Grassed Swale
Infiltration Basin
Infiltration Trench
Green Roof
Soil Amendments
I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for
each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any changes to
the system or responsible party.
Phone number(s):
Email:
Signature:
Street address:
City, state, zip:
Stormwater Wetland
Wet Detention Basin
Disconnected Impervious Area
Permeable Pavement
Proprietary System
Rainwater Harvesting
Sand Filter
* Responsible Party:
Title & Organization:
Date:
Operation & Maintenance Agreement
North Carolna Agricultural Sciences Center
Raleigh, NC WAKE County
STORM-EZ
Version 1.4 O&M Manual
1/3/2019
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