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HomeMy WebLinkAboutSW3220306_Plansheet - Landscape/Planting Plan_20221020 (4)SUPPLEMENT-EZ COVER PAGE FORM5 LCAOLC PROJECT INFORMATION 1 Project Name preserve at Forest Creak Phase 1 P act Area ac 70.23 Coastal Wetland Area fact _ 0 Surface Water Area feel 2 3 4 5 Is this roect Nigh or Low Dens Does this protect use an off -site SCM? ,High No 6 COMPLIANCE WITH 02H .1003(4) 7 Width of yagEtated setbacks provided feet 30 8 Will the vegetated setback remain v tated? If BLIA is proposed in the setback, does it meet NCAC 02H.1003 4 o-d ? Is streambank stabilization proposed on this project? _ _ _ T T w _ Yes 9 No 10 No NUMBER AND TYPE OF SCM9: Infiltration System L11 12 13 Bioreten6on Cell ..... Wet Pond -- . -.. --- Stormwater Welland lPermeable Pavement Sand Filter Rainwater Harvesting RWH 0 6 14 W — 0 15 0 16 0 17 0 18 Green Roof _ 0 19 Level Spreader -Filter StripLS-FS _ 0 20 Disconnected Impervious Surface DIS _ 0 0 0--- 21 Treatment Swale Dry Pond --... ..-- ----- -- StormFilter Silva Cell — - -- -- 22 23 — ... _. 0 24 25 0 - - - BaY0.1ter. 0 26 Filterra mm �" 0 ESIGNER CERTIFICATION 27 Name and Title: 28- Organization: 29 Street address: _ 30 Q State Z" : 31 _ Phone numbe s: Email: 32 Mason Greeson. PE i3 North Graham Stree CharlotlaLNCY 28202 (704 333-0325 Certification Statements I certify, under penalty of few that this Supplement-EZ form and all supporting Information were prepared under my direction or supervislon; that the Information provided in the form is, to the best of my knowledge and bellef, 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. • Q��3iu�3 S gnature of Desig Date 5 Tt C D a FA a m IV h1 O N i000o-4 N— — Ol t7� A W N iG cD Oo V O>thA a� O m �t�D N• N !�, y m y C Z10 Z 4 -n MP ZVi V Z� Q^I� O 3 y Be F O m„9 > � a 's a �'� Q 5rq =a .T7 0 ."0 fA a°' At K 9am g 2H; 07m �• dap m m e N W m Z T r 00 e C tom ^O' m CCC W m W C aaa tj wc.—C W fD ' y O O m, C a C D z CCaa D O a@@ m y 1 ym;0 o 3 mm 3 D a �rS rSFiTlOieim aim N 51 y , y o c v+ 7 W 7 LLIga 3 _ Z .. Q C�'f .�.1 m N ffl m ' '�A FL (p Ol 61 O m g 0 '`mom �C7�ii f 'y y E _ �� v n C cr a z'im d �+� an a d m m °�' 3 m m a In N en w 0 e c� a a O m o o � p a 0 S O O ! m 5 C (p C (p ry 0 N p N N C N0)a O' N th m CP a Q O. N n 7 0 O 3 •.�-. ri N CL CD 0 m m Q w�OC� 99 7 C �r 7 pip` W �WChW pN�pp`ii � �i� O O Go co ra 0 a�: sE. as D D O ap~pVipa d1 O W Dda 07 �Nan44 A V V m L I `' F j O pN� 0 CA �7777 C C 77 C W w W'''� r l N 1Qv N QN77A A� v;a�nn a a a w no►gw'a aD o "�' T. -�., -Nn NNO ` 1 vfOiC �ry C ��� �r C C Im 7(p.1�W CQ�OOC` 7� 7 �n 7 aE aD D D w a oNDj DD w wDQ Q OC7d �7 .0 C NC~NVC ZLC i i�Gio Lea W 9irn� DD y 000) ch z ON Z co W d O d' IGyOo� �A�ae V O DD a D d '�NN7 7 CW D{N4ia C Da a C �IO °0 A oD°�,° � i I � v o m �� 2w ~fa'�$ ';�wD �� 'm G m n D os D� :DD �ai� oho Z d w(D a a��7ia a D E. r� -yi,l y 0) 0 Z v X WET POND _ 1 Dralnu�eareanundrer 12 __ 3 4 5_ 2 Minimum ulred treatment volume cud 491792 of 102802 d 1118185 d 639802 d 424710 d 291416 d 3 Is the SCM sized to treat the SW from all surfaces at build -out? the SCM kK-P%d amW from contaminated soils? Yes Y" YV% Yea Yes __Yea 3:1 yue Yea 4.19 _Yea _ 3:1 Y Yes Yes_ 5 6 _!jnpjneorzo What are the side slopGs of the SCM H: ? 3:1 3:1 T 3:1 3:1 No Yes T Does the SCM have retaining walls, gablon wells or other ddu d s7 _ _ _ _ Yes Yea _ _ No Yes No Pu referred Yes No _ Yes No Pu rrrd} Yes No Yes 7 - 8 the Inlets, outlets, and receiving stream protected from erosion IL)jMretamY7 Yes No Yes No s there an overflow or bypass for Inflow volume in excess of the Na Pu fsrred Yea - Yes Na Pu rafernp. What Is the method for de;;iterirQ the SCM.Ior maintenanca7 .pump ( raferte Yes _ Yes Yes craft 1IQIfajVIlc9bI9,wiII the SCM be cleaned out after aonswction? _ Yes Yes _ _ Yes 11 -- Does the maintenance seem %fWlp with General MDC (81? Yes Yes Yea Yes Yes _1 13 Poe; the drelnege easement comply with General MDC 9)? .....-- - Yes _y WA ,-- yes NIA If the SCM Is an a single family lot, does (will?) the plat comply with General MDC 1 7 WA WA N1A _Yg_.... WA 14 Is there an O&M Agreement that complies with General MDC (11)? Yes Yas - Yes _. Yes Yes _ _.. Yes . ._ Yas Yea Yes Yes Yes Yes __. _. _ Yes Yes17 15 Is them an O&M ptan that ies with General MDC 12 ? Yes 18 Does the SCM follow tha device spflc MDC7 _Yas Yea _ _ Yes Yes - Yes Was the SCM desi eft ae an NC licend assional? Yes Yea Yes ~ 18 SWng method used SAIDA SAIDA SAIDA SAIDA SAIDA SAIDA 19 Has a Augefstorage table been pnwided In the calculations? Yes Yes 676,60 577.00 Yea 581.50 592.00 Yes _ 580.50 Yes _ _ 598.50 Yes 20 Elevation of the excavated main pod depth (bottom of sediment 565.50 606.50 607.00 21 Elevation of the main pool bottom (tap of sediment removal) (final) 566.00 _§%1.50 681.00 599.00 50 22 Elevation of the bottom of the vnetated shelf fmsl 581.50 562.00 ---- 586.50 584.50 _611.50 - 612.00 23 24Elevadon 25 Ele_vation of the pOrmanen±oalAfms of Iha _ -_ �p of the veelaled shelf msl Elevation of the raLool Qf FW)._- 572 b0 _ - - 586.00 585.00 644.00 572.50 - - 586.50 _ 58e.05. 29831 _ 965.'S0 604.5012.50 673AS 592.11 9088 586.34 GOO." 613.40 26 Surface area of the maln permanent offal ftiare feet] m 27-Volue of the main rmanent I cubic feet _ 14 7 _ 23371 _ 57dd1 d 3.04 d 20K5 14659 52990 ef 24399 d 3.16 ft 7aa d 3,21 ft 66320 d 3.89 ft E atlo, 2 12%2 d �e depth of the main poor {feet] 3.64 ft Fi _tie 2 3.49 gedepth equation used squaton 3a mein pool rimeter feat ��311fuslna E_y-uetFon 2 NIA E uation 2 E action 2 Equation $ainng NIA WA NIA NIA NIA WA Wq. ualion 3 width of submerged va . shelf (loatj Wy_ 4641 d Yes rt 5091 d _ _ IVIA 14740 _d_ Yes x Gin 16 d cs WA NIA 321lotume of the foreba cubic feed_._... 7059 d 9.1_36 d _� Yea _ T li in ....... 28774 d Orifice 11514 of 7398 d__ 33 Is phis 15-20%dthe volume In the mainpooL7_ . Yes Yes Yes - 34 Oaan-0ul de for foreInches' - Bin 6 In Gin 35 Dasign volume of SCM feu A) - __ 24546 d - - -..2f393 d fi a___ - 14923 d 37 Is the outlet an orifice or a weir? r OrHGpe,-_ _Orifice .0 In WA_ if orifico.0flce diameter Q!chea 2.5 in if weir, weir height Incls.$)..__WA _Orifice 7.5 in WA WA 2.43 Yes -Yis. _ 3.5In WA WA _ 2.$5 Yes _ 3.0In . 2.5 In 38 MIA 79 If weir, weir length Inches %A WA KA 40 DnMgown time for the twnwrary pmlda 2.75 _ 2.28 Yes 2.72 2.97 41 42 Are the Inlet(a) and outlet toasted in a manner that avoids short- i Yes- - Are bent& or baf7hs provided_ to i rove the flow ? Yes De k of foreb at entrance (inches] _ 10 In Yes Yes 1b in LL Yea W fn _ _- 0 in _ Yes 5 ft Yes - Yes 43 10 in 6 In Y a q 10 In ?g In 44 De h of foreba at exit inches In _ _6 in _ _ _Yea E ft ..,.n Gin _ Bin 45 Does water flow out of the foreboy In a non -erosive. manner? yes Yes Yes 48 47 48 Width of the vegetated &half (feet) -._- a ft - eft !x fL Slope of v'notated shelf H:V - 6:1 _ Yea 8:1 81 6:1 6:1 Foes the orifice drewn wdofrom below the top surface of the rmmm�1 l? Yes Yea No Yea Yes Yea No Yes Yes _$:1 Yes ' Yes 49 Does the pond minimize impacts to the receiving channel from the Yes Yes Na Yes No Yes so Are fountains proposed? (If Y. please provide documentation that MDC 9 is mot. No No 51 621 Is a trash rack or other device provided to protect the outlet the dam and embankment planted in non -dumping turf gross? Yes Yes Yes Yes Yes Yes Yes T Yea HYBRID gfL"R UA_ Yes HYBRID _.BERMUDA I Yes -HYBRID IIERMUOA 53.Spedes of turfthat wIII be used on the dam and embankment HYBRID HYBRID eERKKAXk�.. Yes HYBRID ._DERMICIA Yes 640Hasa 4Aantinp plan been provided for the Motated shelf? Yas Yes Yes - _. Yea RIONALINFOf11�WTIOM _ .. Please use this space to provide any additional irrfomration about 55�6re wet pond(&]: SUPPLEMENT-EZ COVER PAGE FORMS LOADED PROJECT INFORMATION 1 ' Project Name 2 ProiW Area ac Preserve at Forest Crook Phase 1 101.65 3 Coastal Wetland Area ac 0 4 Surface Water Area ac 3.85 5 Is this pro1W High or Low DenW U6 Hiatt Does this project use an off -site SCM? No COMPLIANCE WITH 02H .1003(4) 7 Width of vegetated .,tbagk, Provided feet Will thevegetated setback remain tated? 30 8 Yes 9 If BUA is proposed in the setback does it meet NCAC 02H-1003 4 c-d ? No 10 Is streambank stabilization proposed on this project? No NUMBER AND TYPE OF SCMs: 11 Infiltration S stem Bioretention Cell Wet Pond _ Stormwater Wetland — 0 0 6 0 12 13 14 15 1 Permeable Pavement 0 16 ISand Filter 0 17 1 Rainwater Harvesting RWH 0 18 !Green Roof 0 19 Level reader -Filter Strip LS-F5 20 Disconnected Impervious Surface DIS 21 Treatment Swale ----_ -- - 22 Dry Pond 23 StormFilter — 0 _ 0 . _..... � .- 0 ------ 0 0 24 Silva Cell 0 25 Bayftr 0 26 Filterra 0 DESIGNER CERTIFICATION 27 Name and Title: Frank McMahan, PE 28 Organization: _ - - �LandDegAn 29 Street address: _ 223 North Graham Street 30 City, State, Zip_ _ Charlotte NC 28202 31 Phone numbe!s}: _ 1704) 333-0325 32 IEmail: j fmcmahan@Ianddesign.00m Certification Stprbarnard: I cadify, under penalty of law that this Supplement-EZ form and all supporting information were prepared under my direction or supervision; that ft Information provided in the form is, to the test of my knowledge and belief, true, accurate, and complete; and Umt the engineering plans, spedncadons, operation and maintenance agreements and other supporting Information are consistent with the Information provided here. �rf.L 037773 rfflr Yrl ll lYlt Signetu esJgner Date o p� ° 7 X C co N G - 0 (p CO V 0) CA A W N s 0 (O W V Or CT A CI C7 C. �p�77 O m CL O noo-0m iD H m X, my S(D x Zy C ZCT C lD W Z Z� O� Z �p O y ID C v SC j SU Z C1 A CD M. fC N. CJ s. C: 3 c. I 2 `L N R; `L . Q . C r :poU i :U e p� -0 CD Of y. `e `t 0�_1 �_^ N. u�i Sp m ED 10 � 7 �m D �-' .SO fC CD C p { p y fC 7 7 9. � O C, 7 CL Gh C, 7 CL � [p C 6� L„ O a p33 C.Q p a W 7 CO CCQap� m a i0 ° CD d C1 y 2 O 0 3 0 3 �"' W D ID D W D U7 N D d O j^ d p m La y ' y w x 7 O C D y O� n y J n 3 y Z N - d y N A T Lp S S- 5: aj fp y fp y y v, y 7 y O C n m ppt La m _ z W^ C �j .. O y W y@ ' G CD 10 O y d W y `e -- N K = 'O C ^p^ ID a cpp o Q Z 60 �� tD c t➢ c Cp'7 C D C n. n y y � � j O m c� M C W L y W N j O CL CD O ^p 3 = d m 7' (D O a O y 0 z a L9a ° �� CD R 3 `� 7 C N oCU r.= m m K 3 y p .p. c ? CDa r g a p .� W D d 1p O. y C 7 O O O CD G O to ^3CD ' p CD CLm O p. Q N y A V! 67 S SrrL o• N s A s m CD y L w R W Z Z ZL Z ZN Z �C G?aVooVo �0 nNT U7 (O O m' fD Z OI w. m Z Z Z Z GWO V z 41 N z QS i0 f0 Z i Q Sao s 0 :Zl a°. an n n 4 f0 L. �61n i i� W a nco C> N �a Gl W t�ph W O i n o x a Q s w' s v Z Z_ Z_ Z s W Z_ s N Z ' Z s V N v W O V A N N V p O N V C vN� �pOG g° DD a a atnD�n pow V corn d i tC rnoo co too N 4 ZP s C O C4 W iAV j Ti3DoAniD ZZ Z Z G Zp~CZ!�Z w-4 m NQ(~pOp� sOwCANO O W m .. CD T N N w W p a N \ Z n Z n Z a Z a uNi Z a o N Z n- Z a � W ra w fO W s � V W Q L n o x 0 py ppA W s A Q W yCa � p0WC0�� 0(i00.A Z_Z_ Z A °' ZCVji�f OC i� W 07 COS �R vV3� as a n a�nwa criV V c-+�Wo O.N..,� OO Z Z ON ZoZ y Z m W 80In tow* G 7 .Z� nn n n !T m aV�sa W V NO M CA V co OLO N0006T WQ 0�W o x WET POND 1 1DraInaqe area number _ 1 1 2 1 3 4 5 6 Minimum required treatment volume (cu 23775 of 5786 of L 55004 cf 32220 cf 22050 cf 16210 of MDC FROM 02H.10 Is the SCM sized to treat the SW from all surfaces at build -out? Yes Yes Yes Yes Yes _ Yes Is the SCM located away from contaminated soils? Yes Yes Yes Yes Yes _ _ Yes What are the side slopes of the SCM H:V ? 3:1 3:1 3:1 3:1 3:1 3:1 Does the SCM have retaining walls, gablon walls or other yes No No No Yes No en !neared side slo es? Are the Inlets, outlets, and receiving stream protected from erosion Yes Yes Yes Yes Yes Yes 1 D- ear starm ? 2 rgNMAL 3 4 5 6 7 6 Is there an overflow or bypass for inflow volume in excess Of the deli n volume? Yes Yes Yes Yes Yes Yes 9 What is the method for dewatarina the SCM for maintenance? Pump referred Pump referred Pump referred Pump referred Pum referred Pum referred 10 If applicable, will the SCM be cleaned out after construction? Yes Yes Yes Yes Yes Yea 11 Does the maintenance access comply with General MDC B ? Yes Yes Yes Yes Yes Yes 12 bees the drains a easement comply with General MDC 9 ? Yes Yes Yes Yes Yes Yes 13 If the SCM Is on a single family lot, does (will?) the plat comply with General MDC 10 ? NIA NIA NIA NIA NIA NIA 14 Is there an O&M Agreement that complies with General MDC (11)? Yes Yes Yes Yes Yes Yes 15 Is there a_n O&M Plan that complies with Genera! MDC 12 ? Yes Yes _ Yes _ _ _Yes Yes Yas__ 16 Does the SCM follow the device specirc MDC7_ Yes Yes Yes Yes _ Was the SCM designed by an NC licensed professional? Yes Yes Yes Yes Slzin method used SA/DA SNDA SAIDA SAIDA Has a sta a/store a table been provided in the calculations? Yes Yes Yes Yes Yes Yes Yes S476A Yes 806.50 17 Yes 18 SAJDA Yes 598.60 19 20 Elevation of the excavated main pool depth (bottom of sediment removal fmsl 565.50 576.50 581.50 590.50 21 Elevation of the main pool bottom (top of sediment removal) (fmsl) 566,00 577.0o 582.0o 581,00 _ 599.00 807.00 22 Elevation of the bottom of the vegetated shelf fmsl 571.50 581.50 585,50 584.50 6D3.50 511.60 23 Elevation of the permanent pool JLI 572.00 582.00 586.00 585.00 8D4.00 612.00 24 Elevation of the top of the vegetated shelf fmsl 572.50 582.50 586.50 585.50 6D4.50 612.50 25 Elevation of the temporary col frns! 573.50 583.25 588.05 586.55 605.50 613.75 26 Surface area of the main permanent Pool s uare feet 11828 sf 6266 sf 27510 sf 15809 at 14315 sf 9921 sf 27 Volume of the main permanent pool cubic feet 45122 cf 20418 of 94558 of 48343 of 55343 cf 35783 of 28 Average depth of the main pool feet 3.81 ft 3.26 ft 3.44 ft 3.0611 3.87 ft 3.61 1t 29 Average de ih ftguation used Equation 2 Equation 2 Equation 2 Equation 2 Equation 2 E uaflon 2 30 If using equation 3 main pool perimeter feet NIA NIA NIA NIA NIA NIA 31 If using equation 3 width of submerqed veg. shelf feet WA NIA NIA NIA NIA NIA 32 Volume of the foraba cubic feet 7859 of 3999 cf 15553 of 9136 cf 10966 Df 6121 of 33 Is this 15-20% of the volume in the mainpool? Yes Yes Yes Yes Yes Yes 34 Olean -out depth for forebaInches 72in 80in 48in 48€n 60in 6oin 35 DesiEin volume of SCM cu ft 25818 cf 11392 of 74361 of 33982 cf 24917 cf 21073 of 36 Is the outlet an orifice or a weir? Orifice Orifice Orifice Orifice Orifice Orifice 37 If orifice orifice diameter inches 2.5 in 1.5 in 3.5 in 3.3 in 2.6 in 2.0 In 38 If weir, weir height inches WA N/A NIA NIA NIA NIA 39 If weir, weir ten th inches NIA NIA NIA NIA INA NIA 40 Orawdown time for the temporary Pool (days) 2.75 2.43 2.93 2.28 2,72 2.97 41 Are the Inlet(s) and outlet located in a manner that avoids short- circultin ? Yes Yes Yes Yes Yes Yes 42 Are berms or baffles provided to improve the flowpath? No No No No No No 43 Depth of forebery at entrance inches 82 in 70 in 58 in 58 in 70 in 70 In 44 Depth of forebay at exit inches 78 in 66 in 54 in 54 in 66 In 66 in 45 Does water flow out of the forebay In a non -erosive manner? Yes yes Yes Yes Yes Yes 46 Width of the ve etated shelf feet 6 N B ft E ft 8 fi B ft 6 It 47 Slo a of vegetated shelf H: 6:1 6:1 5:1 8:1 5:1 6:1 48 Does the orifice drawdown from below the top surface of the permanent ool? Yes yes Yes Yes Yes Yes 49 11 Does the pond minimize Impacts to the receiving channel from the r�24-hr storm? yes yes Yes Yes yes Yes 50 Are fountains proposed? (it Y, please provide documentation that MDC 9 is met. No No No No No No 51 Is a trash rack or other device provided to protect the outlet system? yes Yes Yes Yes Yes Yes 52 Are the dam and embankment planted in non -clumping turf grass? Yes Yes Yes Yes Yes Yes 53 Species of turf that will be used on the dam and embankment HYBRID BERMUDA HYBRID BERMUDA HYBRID BERMUDA HYBRID BERMUDA HYBRID BERMUDA HYBRID BERMUDA 54 Hasa plantingIan been provided for the vegetated shelf? Yes yes Yes Yes Yes Yes DITIONAL INFORMATION 55 Please use this space to provide any additional information about the wet ands : SUPPLEMENT-EZ COVER PAGE FORMS LOADED PROJECT INFORMATION 1 Project Name Preserve at Forest Creek Phase 1 2 Pra ect Area ac 105.5 3 Coastal Wetland Area ac 0 4 Surface Water Area (ac) .3.85 5 is this project High or Low Density? High 6 jDoes this project use an off -site SCM? No COMPLIANCE WITH 0211-11003(4) 7 Width of ve etated setbacks provided feet 30 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 ? No 10 Is streambank stabilizatlon proposed on this project? No NUMBER AND TYPE OF 5CMs. 11 1 Infiltration System 0 12 JBIoretention Cell 0 13 1wet Pond 6 14 IStornawaterWatland 0 15 Permeable Pavement 0 16 Sand Filter 0 17 Rainwater Harvesting RWH 0 18 Green Roof 0 19 Level Spreader -Filter Strip (IS-FS 0 20 1 Disconnected Impervious Surface (DIS) 0 21 Treatment Swale 0 . 22 Dry Pond 0 23 StormFllter 0 24 Silva Cell .0 25 Bayfilter 0 26 IFilterra 0 DE91GNE W CERTIFICATION 27 Name and Title: Frank McMahan, PE 28 Cr anization: Landdesl n 29 Street address: 223 North Graham Street 30 City, State, Zip: Charlotte, NC 28202 31 Phone numbers : 704 333-0325 32 Email: fmcmahan@landdesign.com i CAR SEAL 037773 - ird�[rIIfLIIi\,,, Seat " /,S z Date C- N NN..a_a-4M_r .-. ➢ @ N 0' s [nab noa a C m m Q m N a O (O 07 V W U7 r ? w ass N -+ O - - V O CA �A •. o 'M m@ ammo N x x@ my x Z �66 m - z� @@......@�@@ wo'D N. z'0 c z-[00j,I o m '� o @ M_. 3 N. P? sa G Ia m III W' r R N CD = 3 = 3 .y. 4 4 g C 0 p p p =� E N 7pc Q. @ W Co W@@ Cl CD p : c m rr- p @ 3c a y p W Ca m� w �^a o.wv� co D Dam -R-.a 't1 a,yaso3Baaayao CCC'''Cnw o ���_��,0ty���='tv a,��"p 10 _ CL s CD O p Er m r 00) .Q ...+ to fG G7 y Ui T3 i0 @ w m @ n N y 3 N w rr t "III @ - CD O " —61 ^-�' m ^-�,' m n C d �y IIY y cD m m c o a a� a CD c 'm o. m m 'O o m v� � p co a o o@ c c m � p, o Z m o m n t° m o y N N G d. CD CDr p � CD S y a A - - M CD.R a ' rL 7 O O CCD Cl) _ �• O ro o �, o O p o o CD :3 x m :3 N nO @+ EE 00 v O GW �W W �° p-. ca N w O . 'F r. -yn �. CD z � N N to 77 Cc7n� 1 N [ors p m �b ON a a �-V.ZCND�,AOch amawv a� 0 -4 CA 0 a Dm,e;.aa Q w j 77 �y u, � NJ 7 �r rn N �rn G rn pOo rn m P Vo m m N a a cn'. n co Qf (NO o a � Z v 0 win to �W w 00 o CA rntt rn 0 �w c°n`�i�a° V..,,m y� p as a a nNatha ter.' N' rn?poN0 _:.. n y - ( 0 C', Z Z N .41 Z Z T Z y 7 A a y VA ~ cn m DOOM �Z D CNTE W COIC � C)�� V Ti A �w� ae DD ay ay a y y w m 'n o EL -q ON zo A '' W -���Am; O v 0 O O> Z Z Z Z `a Z-4 Cn to tp N 0o V LG [p V N Oo G1 �D C>t. Ei ae as n H n171awa V V CD M V „Wino ca zo C0J7� iOD �[O!7 �� �y0 V ZZ Z Z U7 Z�Z 01 U7 n a �` a ^' D V a a fNO O LO t w o C-) (EL -y-n @ -y+� y y N fn y y y Z 7 d r� m X Cl) WET POND 1 Draina a area number 1 2 3 1 4 1 5 1 6 2 Minimum required treatment volume cu ft 17469 cf 4414 cf 46379 cf 22974 cf 16406 cf 16863 cf 3 Is the SCM sized to treat the SW from all surfaces at build-oul? Yes Yes Yes Yes Yes Yes 4 Is the SCM located away from contaminated soils? " Yes yes Yes Yes Yes Yes 5 What are the side slopes of the SCM H:V ? 3:1 3:1 3:1 3:1 3:1 3:1 6 Does the SCM have retaining walls, gabion walls or other engineered side slopes? Yes No No No Yes No 7 Are the iniots, outlets, and receiving stream protected from erosion (10-year storm)? Yes Yes Yes Yss Yes Yes 6 Is there an overflow or bypass for inflow volume in excess of the design volume? Yes Yes Yet Yes Yes Yes 9 What is the method for dewatering the SCM for maintenance? Pump referred Pump referred Pump referred Pump referred Pump referred Pump referred 10 If applicable, will the SCM be cleaned out after construction? Yes Yes Yes Yes Yes Yes .' 11 Does the maintenance access comply with General MDC B ? Yes Yes Yes Yes Yes Yes 12 Does the drains a easement cam with General MDC 9 ? Yes Yes Yes Yes Yes Yes 13 If the SCM is on a single family lot, does (will?) the plat comply with General MDC 10 ? NIA N/A. NIA NIA. NIA NIA 14 Is there an O&M Agreement that complies with General MDC (11)? Yes Yes Yes . Yes Yes Yes 15 is there an O&M Plan that complies with General MDC 12 ? Yes Yes Yes Yes Yes Yes 16 Does the SCM follow the device specific MDC? Yes Yes Yes Yes Yes Yes 17 Was the SCM designed by an NC licensed rofessianal? Yes Yes Yes Yes Yes Yes WE7' POND MD[ FROM 24 W .1053 16 Sizing method used SAfDA SAIDA SAIDA SAIDA SAIDA SAIDA 19 Has a sta elstora a table been rovided in the calculations? Yes Yes Yes Yes Yes Yes 20 Elevation of the excavated main pool depth (bottom of sediment removal) (fmsl 565.50 576.50 569.50 580.50 596.50 606.5D 21 Elevation of the main e2ol bottom (top of sediment removal fmsl 566.00 577.00 570.00 581.00 599.00 607.00 22 Elevation of the bottom of the vegetated shelf fmsl 571.50 581.50 573.50 584.50 603.50 611.50 23 Elevation of the permanent pool fmsl 572.00 582.00 574.00 585.00 604,0D 612.00 24 lElevation of the top of the ve etated shelf fmsl 572.50 582.50 574.50 585.50 604.50 612.50 25 Elevation of the temporary I fmsl 673.46 .. 582.61 575.61 586.34 605.09 613.37 26 Surface area of the main permanent pool (square feet 11828 sf 6289 sf 27514 sf 15809 of 14W of 9746 st 27 Volume of the main ermanant of cubic feet 45122 of 20471 cf 93977 cf 48343 cf 56292 cf 35099 of 28 Average depth of the main pool feet 3.81.ft - '3.26 ft 3A2 ft 3.06 ft 3.87 ft 3.60 ft 29 Average depth euation used Equation 2 Eclustion 2 Equation 2 Equation 2 Equation 2 Equation 2 3D If using a uation 3 main E rimeter feet NIA NIA NIA NIA ' NIA NIA 31 Ifueng equation 3 width of submer ed v®. shelf feet NIA WA NIA NIA NIA NIA 32 Volume of the foreba cubic feet 7859 of 3858 of 15564 cf 9136 of 9998 cf 6927 cf 33 Ils this 15-20% of the volume in the mainpool? Yea Yes Yes Yes Yes Yes 34 Clean -out de ih for foreba inches 6 in 6 in 6 in 6 In 6 in 6 In 35 Design volume of SCM cu tt 25818 cf 6589 Of 63113 cf 32793 cf 22761 cf 21075 of 36 Is the outlet an orifice or a weir? Orifice Orifice Orifice Orifice Orifice Orifice 37 If orifice orifice diameter inches 2.51n 1.5 in 3.51n 3.0In 2.5 In 2.0 in 38 If weir, weir height inches N/A NIA NIA NIA NIA NIA 39 If weir, weir le th inches NIA NIA NIA NIA NIA NIA 40 Drawdown time for the temporary of Ida 2.76 2.74 3.24 2.45 2.81 3.60 41 Are the inlet(s) and outlet located In a manner that avoids short- circuitin ? Yes Yes Yes Yes Yes Yes 42 We berms or baffles provided to Improve the flowpath? Yes Yes Yes Yes Yes Yes 43 DepAh of fore ay at entrance inches 70 in 70 in 58 In 58 In 70 in 70 in 44 Depth of forebaX at exit Inches 66 In 66 in 54 in 54 in 66 in 1 66 In 45 Does water Row out of the forebay In a non -erosive manner? Yes Yes Yes Yes Yes Yes 46 Width of the vegetated shelf feet 6 ft 6 ft E ft E ft 6 It E ft 47 Slope of vegetated. shelf H:V 6:1 6:1 6:1 6:1 6:1 6:1 48 Does the orifice drawdown from below the top surface of the ermanentpool? Yes Yes Yes Yes Yes Yes 49 Does the pond minimize Impacts to the receiving channel from the 1- 24-hr storm? Yes yes Yes Yes Yes Yes 50 Are fountains proposed? (If Y. please provide documentation that MDC 9 is met. No No No No No No 51 is a trash rack or other device provided to protect the outlet system? Yes Yes Yes Yes Yes Yes 52 Are the dam and embankment planted in non-clumpingmn-clumping turfgrass? Yes Yes Yes Yes Yes Yes 53 Species of turf that will be used an the dam and embankment HYBRID BERMUDA HYBRID BERMUDA HYBRID BERMUDA HYBRID BERMUDA HYBRID HYBRID BERMUDA BERMUDA 54 Hasa lantin Ian been provided for the vegetated shelf? Yes Yes Yes Yes Yes Yes ADDITIONAL INFORMATION 55 Please use this space to provide any additional Information about the wet ands : SUPPILEIMENT-EZ COVER PAGE 221WWMML carbfy, under penalty of law that thla Supplernent-EZ form and all supporUng Infarmatlon were prepared under my direcdon or superAsion; that the information provided in the form is, to the best of my kn&Madge and belief, true, scrxrale, and complete: and Mat the onginearing plans, spedlflcatiaras, aperaUon and maintenance agreements and other supporting Wormadon are consistent Wth the Inhymagon proWded here. "Ignaliure of S Date iRAINAGE AREA INFORMATION Entire Site 1 2 3 4 5 6 4 T e of SCM WETPOND WETPOND WETPOND WETPOND WETPOND WETPOND 5 ITotal drainage area (sq ft 3088929 sf 491598 sf 102729 sf 1118122 sf 589739 sf 424918 sf 361823 sf 6 Onsite draina a area s ft 2784868 sf 491598 sf 76346 sf 978294 sf 584105 sf 388631 sf 265894 sf 7 Oftsite drainage area (sq ft) 304061 sf N/A 26383 sf 139828 sf 5634 sf 36287 sf 95929 sf 8 Total BUA in project (sq ft) 2023507„sf 289769 sf 65377 sf 722123 sf 400370 sf 292441 sf 253427 sf New BUA on subdivided lots (subject to 9 ermittin s ft 1319061 sf 229081 sf 35011 sf 430861 sf 296993 sf 208357 sf 118758 sf New BUA not on subdivided lots (subject to 10 permitting) (sf) 400385 sf 60688 sf 3983 sf 151434 sf 97743 sf 47797 sf 38740 sf 11 Oftsite BUA (sq ft) 304061 sf N/A 26383 sf 139828 sf 5634 sf 36287 sf 95929 sf 12 Breakdown of new BUA not on subdivided lots: .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Parkin s ft N/A N/A N/A N/A N/A N/A N/A Sidewalks ft 99792 sf 15293 sf 969 sf 37445 sf 24461 sf 11993 sf 9631 sf Roofs ft N/A N/A N/A N/A N/A N/A N/A Roadwa s ft 273325 sf 39716 sf 2422 sf 105342 sf 67032 sf 31756 sf 27057 sf Future s ft N/A N/A N/A N/A N/A N/A N/A Other, please specify in the comment box below (N ft) 27268„sf 5679 sf 592 sf 8647 sf 6250 sf 4048 sf 2052 sf New infiltrating permeable pavement on 13 subdivided lots s ft N/A N/A N/A N/A N/A N/A N/A New infiltrating permeable pavement not on 14 subdivided lots (sq 1) N/A.... N/A N/A N/A N/A N/A N/A Existing BUA that will remain (not subject to 15 ermittin s ft N/A N/A N/A N/A N/A N/A N/A 16 Existin BUA that is alreadyermitted s ft N/A N/A N/A N/A N/A N/A N/A 17 Existin BUA that will be removed s ft 0 18 Percent BUA 66°� 59°� 64°� 65°� 68°� 69% 70% .1.9.......Des i.....nstorm .....ii nc h es....................................................................................................................................................................................................1..O..1.n.................................................1..0..Ln..................................................1..O..I (........)...................................................................................................................................................................................................1.1.1.1.............................................................. n.................................................1..O..I n.................................................1..O..Ln.................................................1..O..Ln.............. 20 ..........g Desi n volume of SCM cu ft 25818 cf 8785 cf 63113 cf 32793 cf 24913 cf 21075 cf 21 ...............g............................................................(..............)............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Calculation method for design volume "...... ...... ...... ...... �"...... ...... ...... ...... ...... ...... ....� .... ...... ...... ...... ...... ...... ...... ...... ....� POND PACK POND PACK POND PACK POND PACK POND PACK POND PACK ,DDITIONAL�INFORMATION use this space to provide any additional information about the p p Y :ainage areas : O )ther BUA includes driveway area. Offsite BUA has been calculated using A build out potential (assumed 100% BUA). Subdivided lot BUA has been alculated using 70% BUA on all lots. WET POND su 6 uoes ine ouivi nave reiaming wails, gaoion wails or oiner Yes No No No Yes No engineered side slopes? .... .... .... .... .... ... .... .... .... Are the inlets outlets and receiving stream protected from erosion 7 Yes Yes Yes Yes Yes Yes (10 year storm) .... .... .... .... .... ... .... .... .... 8 Is there an overflow or bypass for inflowvolume in excess of the Yes Yes Yes Yes Yes Yes design volumes 9 What is the method for dewatering the SCM for maintenance? Pump (preferred) Pump (preferred) Pump,(preferred)___ Pump (preferred) Pump (preferred) Pump (prefern 10 If„applicable, will the SCM be cleaned out after, construction? Yes Yes Yes Yes Yes Yes 11 Does the maintenance access comply wrath General MDC (8)? Yes Yes Yes Yes Yes Yes 12 Does the drainage easement comply with General MDC (9)? Yes Yes Yes Yes Yes Yes 13 If the SCM is on a single family lot, does (will?) the plat comply with N/A N/A N/A N/A N/A N/A General MDC (102 .... .... .... .... .... .... .... .... .... ... .... .... .... 14 Is there an O&M Agreement that complies with General MDC (11)? Yes Yes Yes Yes Yes Yes 15 Is there an O&M Plan that complies with General MDC (12)? Yes Yes Yes Yes Yes Yes 16 Does the SCM follow the device specific MDC? Yes Yes Yes Yes Yes Yes 17 Was the SCM desi ned b an NC licensed ro fessionah......... Yes......... Yes ....Yes Yes Yes Yes 'POND MDC FROM�02H .1053 18 Sizing method used SA/DA SA/DA SA/DA SA/DA SA/DA SA/DA 19 Has a stage/storage table been provided in the calculations? Yes Yes Yes Yes Yes Yes Elevation of the excavated main pool depth (bottom of sediment 20 565.50 576.50 569.50 580.50 598.50 606.50 removal) (fmsl) .. .. .. .. .. .. .. .. .. .. .. .. .. 21 Elevation of the main pool bottom (top of sediment removal) (fmsl) 566.00 577.00 570.00 581.00 599.00 607.00 22 Elevation of the bottom of the vegetated shelf (fmsl) 571 50 581 50 573 50 584 50 603 50 611 50 23 Elevation of the permanent pool (fmsl) 572 00 582 00 574 00 585 00 604 00 612 00 24 Elevation of the top of the vegetated shelf (fmsl) 572 50 582 50 574 50 585 50 604 50612 50 25 Elevation of the temporary pool (fmsl) 573 50 583 00 575 75 586 50 62525 50 26 Surface area of the main permanent pool (square feet) 11828 sf 6266 sf 27514 sf 15809 sf 14315 sf 9921 sf 27 Volume of the main permanent pool„ (cubic feet), 45122 cf 20418 cf 93977 cf 48343 cf 55343 cf 35783 cf,,,, 28 Average depth of the main pool (feet) 3 81 ft 3 26 ft 3.�42 ft 126 ft 3 87 ft 3 6 ft 29 Average depth equation used Equation..2 Equation 2 Equation 2 Equation 2 Equation 2 Equation 2, 30 If using equation 3 main pool perimeter (feet) N/A N/A N/A N/A N/A N/A 31 If using equation 3 Wdth of submerged veg shelf (feet) N/A N/A N/A N/A N/A N/A 32 Volume of the forebay (cubic feet) 7859 cf„ 3999 cf 15564 cf 9136cf 10966 cf,,, 6121 cf 33 Is this 15 20% of the volume in the main pooh Yes Yes Yes Yes Yes Yes 34 Clean out depth for forebay (inches) 72 in 60 in 48 in 48 in 60 in 60 in 35 Design volume of SCM (cu ft) 25818 cf 8785 cf 63113 cf 32793 cf 24913 cf,,, 21075 cf,,,, 36 Is the outlet an orifice or a weir? Orifice Orifice Orifice Orifice Orifice Orifice 37 If orifice orifice diameter (inches) 2 5 in 1 5 in 3.5 in 3.0 in 2 5 in 2 0 in 38 If weir, weir height (inches) N/A N/A N/A N/A N/A N/A 39 !!weir, weir length (inches) N/A N/A N/A N/A N/A N/A 40 Drawxlown time for the temporary pool (days) 2.76 3.29 3.24 2.45 2.95 3.6 41 Are the inlet(s) and outlet located in a manner that avoids short- Yes Yes Yes Yes Yes Yes clrcuiting? ... .... .... .... .... ... .... .... .... 42 Are berms or baffles provided to improve the flow path? No No No No No No 43 Depth of forebay at entrance (inches) 82 in 70 in 58 in 58 in 70 m 70 in 44 Depth of forebay at exit (inches) 78 in 66 in 54 m 54 in 66 in 66 in 45 Does water flow out of the forebay in a non erosn manner? Yes Yes Yes Yes Yes Yes 46 Width of the„vegetated shelf (feet) E ft E ft E ft E ft E ft E ft 47 Slope of vegetated shelf..(H V) 6 1 61 61 61 61 61 48 Does the orifice drawdown from below the top surface of the Yes Yes Yes Yes Yes Yes permanent pooh 49 Does the pond minimize impacts to the receiving channel from the Yes Yes Yes Yes Yes Yes 1.-yr, 24 hr s19rm2 .... .... .... .... .... ... .... .... .... 50 Are fountains proposed? (If Y, please provide documentation that No No No No No No M29(9) is met) .... .... .... .... .... ... .... .... .... 51 Is a trash rack or other device provided to protect the outlet Yes Yes Yes Yes Yes Yes aystem? .... .... .... .... .... .... .... .... .... .... ... .... .... .... 52 Are the dam and embankment planted in non -clumping turf grass? Yes Yes Yes Yes Yes Yes 53Speciesofturfthatwillbeusedonthedamandembankment HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID HYBRID BERMUDA BERMUDA BERMUDA BERMUDA BERMUDA 54 Has a planting flan been grovided for the vegetated shelh Yes Yes Yes Yes Yes Yes 5ffi0"NAL INFORMATION 55 Pleaseuaetnaapacetdprovde....any...additionalinformatI onmut�� the wet pond(s):