HomeMy WebLinkAboutSW3220306_Supplement-EZ Form_20220330 SUPPLEMENT-EZ COVER PAGE
FOFL1s1S Lt740LC
PROJECT INFORMATION
1 Project Name preserve at Forest Creak Phase 1
2 P"ct Area ac - -~ _ 70.23 — --T —y
3 Coastal Wetland Area(ac] 0
4 Surface Water Area ac
5 is this rqe Nigh or.Low Denslt 7 ,H f3
6 Does this pm,'ecl use an off-site SCM? No
COMPLIANCE WITH 02H.1003(4)
7 Width of vogetated setbacks provided feet 30
8 Will the vegetated setback remain vegetated? _ Yes
9 If BUA is pmp9sed..in the s"(ba ,does it meet NCAC 02H.1003 4 c d?
10 Is streambank stabilization proposed on this p ct? No�
NUMBER AND TYPE OF SCMS:
11 Infiltration System _ 0
12 1131orete-ndon Cell Y n 0
13 Wet Pond 6
14 IStormwaterWedand 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 D
20 Disconnected Impervious Surface DI 0
21 ITreatment Swale 0
22 D Pond -- 0 - _-
23 StormFilter 0
24 Silva Cell 0
25 Be Iter --- - __ -- .,.. 0
26 Filterra -- - 0
t`ixiM S LQAP E P
DESIGNER CERTIFICATION w
27 Name and Title: W _ Mason Greeson PE
28 anization• T _ Landdesi n
29 Street address: 223 North Graham Street
30 City,State Z1p_ - Charlotte,NC,28202
31 Phone numbers: 70.4 333-0325 Y_
32 Email: mgreeson@Ianddesign.00m
Certification Statements
I certify,under penalty of few 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.
speciticatlons,operation and maintenance agreements and other supporting information are consistent with the information provided here.
taesr
CARD
a�!^ �'�'y Signature of Desig
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Sb�� Date
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WET POND
9 D*gP51e area number I 1 __ 2 _ 3 4 5_ __ $
2 Minimum required treatment volume cu fl 491792 d 102802 d 11161S5 d 689802 of 424710 d 291416 d
3 Is the SCM sized to treat the SW from all surfaces at build-out? Yes YQM YV% Yea YEN YM
4 Is the SCM
re IxR'ed s from contaminated soils? _Yea Y4s Yea Yey Yea Yea
5 What a the side slo of the SCM H: ? 3:1 _ 3:1 3;t 3:1 3:1 _ 3:1
6 Does the SCM have retaining walls,gablon wells or other Yes No No No Yes No
en 'nears d es7
7A.the Inlets,outlets,and receiving sVeam protected from erosion Yea Yes Yes Yes Yes Yes
8 Is there an overflow or bypass for Inflow volume in excess of the Na Na No No No Na
dezi l walurnoT
9 Whet Is the method for dawaterim the SCM for maintenance? Pu fefred Pu referred Pu a _ puarp refenad � erred Pu referrrp
10 If app likable will the SCM be cleaned out after construction? Yea Yea Yes Yes __ Yes Yes
11 Does the maintenance access wfWlp with General MDC(8;?-- „-, Yes Yes Yea Yes Yes Yes
_1�goes the drelnafle easement comp ly with General MDC 4 9)? Yes -Yes Yes Yea _Yes Yas
13 If the SCM Is an a single family lot,does(will?)the plat comply with WA NIA NIA IVA NIA NIA
Gune-el MDC 4 to)? _
14 Is there an O&M Agreement that complies with General MDC(11)? Yes Yes Yes Yes Yes Yes
15 Is them an O&M Plan that ies with General MDC 12? Yes __ Yes _Yea Yes Yas Yea
Id Does the SCM fallow the ice dev spec8c MDC? Yes Yu _ Yea _ Yes Yss Ye9
17 Was the SCM designed an NC licensed fessional? Yes Yes Yea Yes Yea Yes ~
1SSiZin method used _ __SAIDA SAIDA SAIDA S_AIDA SAIDA SAIDA
19 Has a AWelslomao table been provided In the calculations? __ - Yes Yes Yea Yes _1 _ Yes Yes
20 Elevation of the excavated main pad depth(bottom of sediment 685.50 676.50 581.50 680.50 598.50 600.50
rornovn�
21 Elevation of the main pool bottom(top of sediment removal)(fmsi) 566.00 577.00 582.00 681.00 599.00 607.00
..-22 Elevation of the bottom of the wu stated shelf fmsl 571.50.v 581,50 686.50 584.50 _Bp9 50 611.50
23Elav-algnofthepormanen±pad�fmsf 572A0._.__ .. 582.04TKIA
585.00 804_00 812.00
24 Elevation of Ihr m�of the re staled shelf fmsl 672.50 5 2.r�0 +,6$.'S0 MM.50
25Elevationofthetem m.yLoot("].. 573AS 5a2.$1 5S6.34 SOS." 613.f026 Surface area of the main rmenent2k d taquare feet] 145$7 9088 23371 20905 1485927 Volume of the mein rmanent I oxrbie fee52990 d 24399 d 574_e1 d 66320 d 2102 d
V31
as depth of the main pagl tfeetl 3.64fl3.18 ft 3 04 fl 3.69ft 3,4911vnation used Eylig?gA2 EKL!fl.# 2 E uatlon 2 E a6ao�. 2 If wigo equation 3,mainponlpurimeter feet NIA NIA I'1IA NIA NIA
- - -If usin uation1 w qdt :qf submerged-. .shelf(10615 NIA WA - ___..WA NIA NIA WP
32 Volume of the foreba cubic feat _ 7659 d 484t d i4740_d_ 9.1_36 d 11514 d 7398_d_
33 Is tais 15-20%of the volume In the mainpool9_ Yes Yes Yes Yes_ Yes Yea
34 Clean-oul de for fore Inches' _ 6 in 8'kr Gin _6 in _ 8 In 6 in
35 Design volume of SCM cu fl 24545 d 5091 d 16 d 28774 d 2f 393 d 14923 rf
Is the outlet an orifice or a weir? Qrto.-_ y Orifice Ls-- r fl
37 If orifimq riflce diameter{Inches 2.6 in 1.6 in _ 3.5In 3.0In 2.5 in
38 tf weir,weir height Int#h.s�..- NIA NIA __ WA MIA N/A A
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39 8 weir,weir length 4 inches frllA NIA [WA _ _.-NIA flfA NIA
40 Drmwftwn Erne far the tenwM emlda 2.75 2.43 2.65 _2.28 _ 2.72 2.97
Am the Inlets)and outlet located in a manner that avoids short-
41 nlrtH? Yea Yes yes Yes Yes Yes
42 Are berms w beIf%s provided to i rove the flow ? Yea- - _Y s.R- Yes Yes Yea -- -Yes
43 Depth of foreb!tF.at ontrano!Onche31_ _ 10 In 10 In 10 In_ 10 In 10 in 10 in LL _
44 Depth of foreboy at exit lincheal 41 In 8 In Gin_ _ _6 in_ 6 in Bin
45 Does wrter flow out of the forabsy In a noWerosiar._manner? Yea Yes Yes Yea Yes Yes
45 Width ofthe vK stated shelf I feet -.-_ 5 ft a ft 8 a -- 6 it n - lift illift
_47 Slaps of vNetated shelf H:V _.6:1- .. _ __ 5:1 0:1 6:1 _6:1 6:1
Does the orifice drawdowa from below the tap surface of the
1qrMWMM48 t I? Yes Yes Yea Yes Yes Yes
minimize impacts to the receivinQ channel from the
49 Does the pond Yea Yea Yea Yes Yes Yes
.-. 1-ka24-hfalorm7 --- - .., ----
50 A re�Cfo9untains proposed?(If Y.please provide documentation that No No No Na No No
Is a trash rack or other device provided to protect the outlet
- - -
51 Yea Yes Yes Yes Yes Yea
IMAM?
521 the dam and embankment planted in non-clumping turf grass? Yes Yes Yea Yes Yes Yes
53 Species of turf that will be used on the dam"embankment HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID
MA -BERMIU► �.. .. A
54'Hasa planting plan been provided for the MotoW shaft? Yes Yea Yea Yes Yes Yea
ITIONAL INFf)It1UTIOlJ -- - --
Pleasa use this space to provide any additional information about
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