SW6240904_Supplement-EZ Form_20241007

SUPPLEMENT-EZ COVER PAGE
FORMS LOADED
!PROJECT INFORMATION
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1 Project Name SIGNATURE HOMES BUILDERS INC I
2 Project Area(ac) 11•85
3 Coastal Wetland Area(ac) 0
4 Surface Water Area(ac) 0
5 Is this project High or Low Density? Low
6 ;Does this project use an off-site SCM? No
COMPLIANCE WITH 02H.1003(4)
7 Width of vegetated setbacks provided(feet) 30'MIN
8 Will the vegetated setback remain vegetated? Yes
9 If BUA is proposed in the setback,does it meet NCAC 02H.1003(4)(c-d)? Yes
10 Is streambank stabilization proposed on this project? No
NUMBER AND TYPE OF SCMs
— .. _- �. _.�. , ..,. r...)
11 Infiltration Slrstem --- 0 ,
12 ,Bioretention Cell 0 1
13 f Wet Pond 0
14 IStormwater Wetland 0
15 Permeable Pavement 0 _ _
16 Sand Filter, 0 __._ , ___
17 Rainwater Harvesting(RWH) 0
18 Green Roof 0
19 Level Spreader_FiRer Strip(LS-FS)_ 0 _ _ ______A
20 .Disconnected Impervious Surface(DIS) 0
21 Treatment Swale 0
22 Dry Pond — — — _. 0 .n—.._. —_ .
roa
23 StormFilter 0
24 !Wye Cell 1___ 0
25 Bayfilter 0
26 Filterra
FORMS LOADED
!DESIGNER CERTIFICATION
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1 27 Name and Title: Fleet Temple, PE
28 Organization: Fleet Temple Engineering, PLLC
29 !Street address: 5245 Red Hill Church Rd.
30 City,State,Zip: Coats,NC 27521
i 31 Phone number(s) 910-658-2446 T_
i 32 Email: [e-mail]
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
Designer
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Seal Date

DRAINAGE AREAS
1 Is this a high density project? No
2 If so,number of drainage areas/SCMs { 0 1
3 Does this project have low density areas? - Yes I
4 If so,number of low density drainage areas 2
Is all/part of this project subject to previous rule `
5 versions? No
FORMS LOADED ,
DRAINAGE AREA INFORMATION Entire Site LID 1 LD 2
4 Type of SCM t ` Stewart Creek DA '
_5 Total drainage area(sq ft) 123924 123924
6 Onsite drainage area(sq ft) 123924 123924 _y
7_ Offsite drainage area(sq ft) _ 0 0
8 Total BUA in project(sq ft) 116496 sf 116496 sf
,New BUA on subdivided lots(subject to permitting)"
9 ;. ft 98000 sf 98000 sf ( t
ot -..
New BUA not on subdivided lots(subject to
MI
• rrnitli r s 1,_18496 sf 1, 18496 sf
1 . w
11 'Offsite BUA(sq ft) sf S €
12 Breakdown of new BUA not on subdivided lots: (
Parking (s9 ft)
Sidewalk(sq ft)
AN -Roof(sq ft) 1
i -Roadway(sq it) 18496 sf 18496 sf
-Future . ft
' -Other,please specify in the comment box I
below • ft _. .�_._ ..
(.__.
i New infiltrating permeable pavement on 1
13 !subdivided lots(sq ft) -1-_. -__----_�_.__ u
New infiltrating permeable pavement not on j t
t t
14 subdivided lotsksq ft)_ sf k fi
Existing BUA that will remain(not subject to t
i .
15 permitting)(s9 ft) _<
16 Existing BUA that is already permitted ft
t 17 Existing BUA that will be removed ft ____
18 Percent BUA 23% 23%19 lDesign storm finches) w Ti
20 _ Design volume of SCM(cu ft)
21 Calculation method for design volume
-iADDIT1ONAL INFORMATION
Please use this space to provide any additional information about the
1 22 drainage area(s): p

LOW DENSITY
DESIGN REQUIREMENTS FOR LOW DENSITY PROJECTS FROM 021-I,1003
1 Is project below density thresholds set forth in the applicable stormwater rule? Yes
2 ,Does project maximize dispersed flow and minimize channelizatlon of flow?F,
Yes
3 Has the use of piping been minimized per.1003(2)(c)? Yes
4 Side slopes of the vegetated conveyances(H:V) 3 1
5 Maximum velocity in the vegetated conveyances during the 10-year storm? 5
6 Are curb outlet swales proposed? No
7 Maximum longitudinal slope of curb outlet swale(s)(%)
8 Bottom width of curb outlet swale(s)(feet)
9 Maximum side slope of curb outlet swale(s)(H'V) j
10 Minimum length of
let swale(s)(feet)
11 Are treatment swalescurb used tinstead of curb outlet swales? No
12 Is stormwater released at the edge of the setback as dispersed flow'? Yes
13 Have stormwater outlets been designed to prevent downslope erosion'? Yes
14 Are variations to rule 1003 proposed') No
ADDITIONAL INFORMATION
15 Please use this space to provide any additional information about this low density project'
.,
r SWALES. VEGETATED SWALES/ROADSIDE DITCHES
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Drainage Pervious
Swale BUA Q Slope V.„,„, V _a_ Flowdipth
Area (ac) area# (cfs) (%) (fin) (fPs) (ft)
(ac) .._.__ ..,.(ac)._.... a .
1 0 50 0 11 0 39 0 50 1 80 0 50 5.00 1 50 0.60
2 1 5 40 1.22 4.19 0 50 19 44 0 50 5.00 1 50 1 50
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