SW6240901_Supplement-EZ Form_20240920

SUPPLEMENT-EZ COVER PAGE
PROJECT INFORM ..._.. _..._
1 Project Name McLeans Landing
2 (Project Area(ac) 54.49
3 Coastal Wetland Area(sc.)
0
4 jSurface Water Area(ac) 0
5_ ils this project High or Low Density? Low I
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
f 9 If BUA is proposed in the setback,does it meet NCAC 02H.1003(4)(c-d)? N/A
[ 10 Is streambank stabilization proposed on this project? Fv r No ,--------
NUMBER AND TYPE OF SC Ms:
11 Infiltration System
12 Bioretention Cell 1 0 1
13 1 Wet Pond 0
14 IStormvkater Wetland 0
15 Permeable Pavement 0
16 Sand Filter 0
17 Rainwater Harvesting(RWH) i 0 I
18 Green Roof 0
i
19 Level Spreader-Filter Strip(LS-FS) 0
20 Disconnected Impervious Surface(DIS) 0
21 Treatment Swale I 0
22 Dry Pond 0 I
23 StormFilter 0 =
24 Silva Cell E _ 0 ,
25 Bayfiker { p
26 Fkerra I R.
FORMS LOADED
DESIGNER CERTIFICATION
- 27 Name and Title: Fleet Temple, PE
28 Organization: Fleet Temple Engineering,PLLC
29 Street address: 5245 Red Hill Church Rd.
30 1— ,State,Zl : i Coats,NC 27521 i
31 IPhone number(s): 910-658-2446
32 Email: fleet@ftempleengineering com s
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
\\\\111I1111 //
4 A r": Signature of Designer _
— 444 i-
Seal "" Date

DRAINAGE AREAS
1 'Is this a high density project? r No
2 If so,number of drainage areas/SCMs 0
3 Does this project have low density areas? j- Yes
I 4 If so,number of low density drainage areas 2
Is allpart of this project subject to previous rule
5 versions? No
FORMS WADED
,s'" • -AREA INFORMATION Entire Site LD 1 LD 2 •
4 Type of SCM Drainage Area
5 Total drainage area(sq ft) 2373753 2373753
6 Onsite drainage area(sq ft) 2373753 2373753
7 1Offsite drainage area(sq ft) 0 0
- 8 ;Total BUA in project(sq ft) 566300 sf 566300 sf I
New BUA on subdivided lots(subject to permitting) i
9 (sq R) 469000 sf 469000 sf )
New BUA not on subdivided lots(subject to i
' 10 '.-rmitti • s 97300 sf 97300 sf
11 Offsite BUA(sq ft) sf
tt ._ ._--
12 I Breakdown of new BUA not on subdivided lots: i t
-Sidewalk(sq R) j I
-Roof(sq ft) -a
1 -Roadway(sq It) 97300 sf 97300 sf_
-Future(sgft) .."
I -Other,please specify in the comment box i 3
F
I below(sq_ft) --- . j
New infiltrating permeable pavement on
13 subdivided lots(sq ft)
New infiltrating permeable pavement not on j
14 subdivided lots ft sf j
Existing BUA that will remain(not subject to "`" r__ , &
15 ipermitdng)(sq ft)
16 Exist BUA that is already permitted(sq ft) r
17 ,Existing BUA that will be removed(sq ft) --Li . ..-
18 'Percent BUA 24% 24%
19 Design storm(inches) ..
20 Design volume of SCMMMMMMMMjcu ft)
21 Calculation method for design volume )
ADDITIONAL INFORMATION I
Please use this space to provide any additional information about the
22 drainage area(s):
1

LOW DENSITY
DESIGN REQUIREMENTS FORt ..tN DENSITY PROJECTS FROM 02H.1003 -
1 Is project below density thresholds set forth in the applicable stormwater rule? Yes i
2 Does project maximize dispersed flow and minimize channelizabon of flow? 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)(%) i
t
8 y_Bottom width of curb outlet swale(s)(feet)
9 ' Maximum side slope of curb outlet swale(s)(H:V)
10 Minimum length of curb outlet swale(s)(feet)
11 i Are treatment swales used instead of curb outlet swales? Yes
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
ODII O MAT)ON .- ._.,._.r.. ,.
15 Please use this space to provide any additional information about this low density project
i -,
)
(
I
L„.,,,..„,,,,,,,,,, _ _ WALES: VEGETATED WALES/ROADSIDE DITCHES p$
..__.
DrainageArea SUA Pervious
Swale Q Slope V„,,,., V,,,,,, Flow deptharea
# L .. . (ac) j C WOCM (Ips) (fOs) (ft)
1 2 10 �P0 50 1 60 0 50 7 56 0 50 500 2 20 1.10
2 020 0.05 0.15 0 50 0.72 0 50 5.00 1.20 0 40
3 I 2 40 0.57 1 83 0.50 8.64 2 61 5.00 4 20 0 80
4 0,30 0.07 0.23 0.50 1.08 2 61 5.00 2 50 0 40
i 5 0 20 0.05 0 15 0 50 0 72 327 5 00 2.40 0.30
6 020 0 05 0.15 0 50 0.72 327 5.00 2-40 0.30
7 0.40 0 10 0.30 0 50 1.44 3.27 5.00 2.90 0 40
8 060, 014 046 0 50 2.16 327 5 00 320 0.50
9 1 0.10 0 02 0,08 0 50 0 36 327 500 210 0-30
10 I 0.10 0.02 0.08 0.50 0 36 3.27 5.00 2.10 0.30
11 0.50 0 12 0.38 0 50 1.80 3.27 5.00 3.10 0 40
12 ': 1.70 0 41 1.29 0.50 6 12 3.27 5.00 4.20 0 70
13 1.40 0.33 1 07 0 50 5.04 3 68 5.00 4.20 0.60
14 i 2.70 0 65 2.05 0 50 9.72 3.68 5 00 4 90 0.80
15 I 0 10 0.02 0.08 0.50 0 36 2.31 5 00 1 80 0 30
16 010 002 0,08 050 0.36 231 500 1-80 0.30
17 0.20 0 05 0.15 0.50 0.72 2.68 5 00 2 30 0.30
18 020 005 0,15 050 072 268 500 2.30 030
19 030 007 023 050 108 351 500 2.80 040
20 0 10 0 02 008 0 50 0.36 3-51 5 00 2.10 0.30
21 1 80 0 43 1.37 0.50 6 48 2 00 5.00 360 0.80
22 _ 0.30 0.07 023 050 1.08 200 500 2.30 0.40
23 1 -4 60 1 10 3.50 0 50 16 56 1 50 5 00 4 00 1 20
24 0 10 0 02 0 08 050 036 150 5 00 1 60 0.30
25 1 80 0.43 1.37 050 6.48 0.67 5.00 2 40 1 00
26 0 10 0.02 0.08 0.50 0.36 0 67 5.00 120 0-30
27 ` 4.70 1.12 3.58 0.50 16 92 2.51 5.00 4 90 1.10
28 060 014 046 050 216 2.51 500 280 050
29 010 002 0 08 0.50 0 36 2 46 5.00 1 80 0.30
I 30 i 0.50 012 038 0.50 1 80 2.46 5 00 2.70 0.50

Low Density Attachment
,.,,. Drainage BUA Pervious Q Slope V„,bw V �, Flow
Swale# Area area C
(ac) (cfs) (%) (fps) (fps) depth (ft)
(act (ac)
31 0.20 0.05 0.15 0.50 0.72 3.75 5.00 2.60 0.30
32 i 0.60 0.14 0.46 0.50 2.16 3.75 5.00 3.50 0.50
f 33 0.40 0.10 0.30 0.50 1.44 8.75 5.00 4.00 0.30
34 0.80 0.19 0.61 0.50 2.88 8.75 5.00 5.00 0.40
35 0.60 0.14 0.46 0.50 2.16 6.00 5.00 4.00 0.40
36 0.90 0.22 0.68 0.50 3.24 6.00 5.00 4.40 0.50
37 0 80 0.19 0.61 0.50 2.88 1.28 5.00 2.40 0.60
38 1 1.10 0.26 0.84 0.50 3.96 1.28 5.00 2.60 0.70
39 4.70 1.12 3.58 0.50 16.92 1.70 5.00 4.00 0.69
40 0.50 0.12 0.38 0.50 1.80 3.70 5.00 2.50 0.16
41 5.00 1.20 3.81 0.50 18.00 3.50 5.00 4.90 0.49
42 I 2.30 0.55 1.75 0.50 8.28 5.00 5.00 4.70 0.35
( 43 t 3.00 0.72 2.28 0.50 10.80 4.80 5.00 5.00 0.40
44 - 1.90 0.45 1.45 0.50 6.84 4.00 5.00 4.00 0.34
45 0.70 0.17 0.53 0.50 1 2.52 4.70 5.00 3.10 0,18
46 11.50 2.75 8.75 0.50 41.40 3.30 5.00 4.90 0.44