HomeMy WebLinkAboutSW6220601_Supplement-EZ Form_20220629SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
PROJECT INFORMATION
1 . Project Name
i 2_ProJ9 Area (ac)--
3 Coastal Wetland An
this project High or Low Density?
,es this Droiect use an off -site SCM?
COMPLIANCE WITH 02H .1003(4)
7 Width of vegetated setbacks provi
8 Mill the vegetated setback remain
9 Is BUA other that as listed in .1003(4)(c-d) out of the setback?
10 Is streambank stabilization proposed on this project?
MAGNOLIA RIDGE SUBDIVISION
52.55
0
Low
No
Yes
No
NUMBER AND TYPE OF SCMs:
11 1 Infiltration System 0
12
Bioretention Cell
0
13
Wet Pond
0
14
Stormwater Wetland
0
15
_
Permeable Pavement
0
16
Sand Filter
0
17
Rainwater Harvesting (RWH)
0
18
_
Green Roof
0 _
19
_
Level Spreader -Filter Strip LS-FS
0
20
Disconnected Impervious Surface (DIS)
0
21
Treatment Swale
0
22
PnlrPond
0
23
------ ---- -- — ----------
StormFilter
---------
0
24
_
Silva Cell
0
25
Bayfifter
0
26
Filterra
0
FORMS LOADED
DESIGNER CERTIFICATION
27 Name and Title: KEN W. BRIGHT
28 Organization: KEN BRIGHT ASSOCIATES PLLC
29 'Street address: 2305 CARTHAGE ST
30 City, State, Zip__ _ SANFORD, NC 27330
31 Phone number_ 919-776-3444
32 Email: kwbright@kenbdghtengineering.com
Certification Statement:
I certify, under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or
supervision; that the information provided in the form is, to the best of my knowledge and belief, true, accurate, and complete; and
that the engineering plans, specifications, operation and maintenance agreements and other supporting information are consistent
with the information provided here.
lop
SEAL Z
:4t
VGINEE•
Signature of Designer
4f12/-W2L
Date
DRAINAGE AREAS
Is this a high density project? No
If so, number of drainage areas/SCMs __ _ _
Is all/part of this project subject to previous rule
versions? No
FORMS LOADED
DRAINAGE AREA INFORMATION
4 Type of SCM
5 Total BUA in project (sq ft)
Entire Site
Swales
1
521075 sf
New BUA on subdivided lots (subject to permitting)
6 (sq 11
410000 sf
7
New BUA outside of subdivided lots (subject to
rmittin s
111075 sf
8
10ftfte - total area ft
9 10ftlite
BUA ft
10 1
Breakdown of new BUA outside subdivided lots:
Parking s ft
5600 sf
Sidewalks ft
600 sf
- Roof ft
2500 sf
Roadway ft
103075 sf
- Future (sq 11
- Other, please specify in the comment box
below ft
11
New infiltrating permeable pavement on
subdivided lots ft
12
New infiltrating permeable pavement outside of
subdivided lots ft
13
Exisftng BUA that will remain (not subject to
permittin
sf
14 Existing BUA that Is already permitted s ft
15 Exlsting_BUA that will be removed ft
16 Percent BUA 23%
17 IDesignstorm (inches)
18 Design volume of SCM (cu ft)
19 !Calculation method for design volume
ADDITIONAL INFORMATION
Please use this space to provide any additional information about the
20 !drainage area(s):
DRAINAGE AREA INFORMATION Entire Site
4 Type of_S_ CM�_
5 Total BUA from project (sq ft) 521075 sf
6 ! rules -
t
521075 sf
_
SL 2006 246 — -- - -- --
SL 2
2008 rules
2017 rules
7
New BUA on subdivided lots (subject to
pe—tWng) (sq ft)
410000 sf
410000 sf
1995 rules
SL 2006-246
2008 rules
2017 rules
_ _
New BUA outside of subdjvided lots (subject to
8 permitting) (sf)
1 111075 sf
111075 sf
�L_ 1995 rules---- --- ----
SL 2006-246
2008 rules
2017 rules
9
Of he - total area (sq ft)
1996 rules
SL 2006-246
10
2008 rules
2017 rules
Offsite BUA (sq ft)
1995 rules
SL 2006-246
� 2008 rules
2017 rules
Design storm (Inches)
1995 rules
SL 2006-24608 20rules
k11
2017 rules
12
_
Breakdown of new BUA:
Parking (sq ft
5500 sf
5500 sf
Sidewalk is ft
500 sf
500 sf
- Roof ft
2500 sf
25W sf
Roadway (sq ft
103075 sf
103075 sf
Future (sq ft
Other, please specify in the comment box
below Csgft)
13
New infiltrating permeable pavement on
subdivided lots (sq ft
14
New infiltrating permeable pavement outside of
subdivided IOts s ft
EXsitng BUA that will remain (not subject to
ermittin9) (sq ft)
Existin BUA that is already permitted (s ft
; Existin BUA that will be removed (sq ft)
Percent BUA 23%
Des n volume of SC (cu ft)
k20;Calculation method for design volume
ADDITIONAL INFORMATION
Please use this space to provide any additional
21 . information about the drainage ares(s):
23%
LOW DENSITY
DESIGN
REQUIREMENTS FOR LOW DENSITY PROJECTS FROM 02H J003
1 Is project below density thresholds set forth in the applicable stonmwater rule?
Does project maximize dispersed flow and minimize channelization of flow?
Yes
Yes
1
2
3
Has the use of piping been minimized per .1003(2)(c)?
Yes
4
Side slopes of the vegetated conveyances (H:V)
4:1
5
Maximum velocity in the vegetated conveyances during the 10-year storm?
6
Are curb outlet swales proposed?
No
7
Maximum longitudinal slope of curb outlet swale(s) (°k)
8
Bottom width of curb outlet swale(s) (feet)
9
Maximum side slope of curb outlet swale(s) (H:1)
10
Minimum length of curb outlet swale(s) (feet)
11
Are treatment swales used instead of curb outlet swales?
12
Is stormwater released at the edge of the setback as dispersed flow?
Yes
13
Have stomtwater outlets been designed to prevent downslope erosion?
Yes
14 Are variations to rule .1003 proposed?
ADDITIONAL INFORMATION
15 Please use this space to provide any additional information about this low density project:
No
Swale
Drainage Pervious
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13
14
15
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17
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20
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