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Home My WebLink AboutSW3220306_Supplement-EZ Form_20230216 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 043iu3 Sb�� Date mJ0WOP V 0W A W N i4 �O OP V OP UTA IT A W Ni � aT ovO- Rly eZq y z G7 Zy Z � i0^'�� p! Vi y�momi 0 0r-9' r-" � ft� �i � L�oa { � f � OT .�.� fn��m � � � � �='• u'•$ fib Oma$ r�n � 9 m m m p p > > Z 3 � 0 a m C $ CDC W$ $ a p m t! o y p y 1 n me Cem $ro Laa ?�armc m W C CCao. Hmp 3m o y m z 0 o $ G1mm W� � C D Dn� 3 0 c � m c C C C C r _ v y m y D p o m n 3 3 m DI S 0 3 3 Dnny no o m y p y o > > _ a y ui s0 m m Tr 5 !"S�fp FrT m w C y y � y.0 jop fA :0 Q m m m � z �m ��'� 01 m,.. '-0pl y - y -1 w 0 'D y aN•m 61 Q 3n • y m tip o aTm d m 73311 0 CL y gZoK m � Q v D 2' � yrneny Dam ' a (D C) LA 3 a W. m m S o o �� G E; g y. WE CD = < < c�v o = o � ia 0 r C O. y m m CL 3 3C N O p 7 y W coo y •s Q �� .�i 3 � Q S� � m � 0 V/ a0 � a N O m L. O •� $ J O C p m N m •J m Pt to � SR m O rn `C3 � CGoco �z azc) -C a'._ DD D D D �� a D.D �N�aaaQQ p p T $ O O W 07 OP V V m � ZAi s W tWp WCi�I N Np AA wN aoPgwn aD �nc � r I Z i> Aul 7 N_ 7 7 j i �IfJO O N ;� C IC co C O O C �C A N Go gE DD D ;D ai n oND DD W 3CA 0 a� L € [� -yw�; f m M, NNz 0 t p�Osi nncio n n YlD ��a D a D J J A in in z o! 7777 J W v N77 77 K37 W O[AO C C C =W V C C Oi Oi C I O �A33� an a s o a{N�Ja nD o oDpp O A i 0 z i"' CA ?� J�N i F w NNE Cwocp �� cca �VfAcp� �� to m cyt �AA1 w �w7;e Da n ;� waDaai �x w y 1r, t o�az v NC11 t�Na•�i �� pip �y��p�I� �� i� a as �D n 00 DCT`OOOD Dla a �� y Of 07� f � � 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 w..w 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 55CBhe oat po nd(a]: