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Home My WebLink About20190440 Ver 1_8. The Hills (Wetlands Exhibits)(02-25-19)_20190405Sheet Index: 0.0 - Sheet Index 0.1 -Vicinity Map 1.0 - Boundary / Existing Conditions (250 scale) 2.OA - Site Layout (250 scale) 2.013 - Stormwater Overview (250 scale) 2.1 - Site Plan (40 scale) 2.2 - Site Plan (40 scale) 2.3 - Site Plan (60 scale) 3.0 - Wetlands Culvert Profiles 4.0 - Wetlands O Culvert Cross Section Sheet No: 0.0 VICINITY MAP NOT TO SCALE Iwe Partnere, p- 7140 Weddin ton Rood Sck NCS Com,or28027 CIM Site Design Low Impact DeMopmmt Small -Scale Building Design TWph— 704.57A1e21 Faetlmiw 794M79&1 Sed. Not For Canetruction Firm License / P-1191 wallet NwnOln 17-17-999 ad. OII-2e-2919 Oram Byr All ciwrhe ey IIR sheet lies°. VICINITY MAP Sheet No: 0.1 LEGEND: — — — — — DEVELOPMENT BOUNDARY CREEK CEN1ENt1NE ----680.00---- EXISTING GRADE GRAPHIC SCALE 250 0 125 250 500 i \1 RD. !.._.._.._.._.._............ ! Bu L4. NptiCE.R W PERENNIAL STREAM "R" \ NO IMPACT eel �'"�'u•�.�i-E,..p.l�y 33 LF / WETLANDS "0" 25,431 SQ FT/0.58 AC. 1 3,355 SQ FT/0.08 AC. IMPACT (SEE SHEET 2.0) PERENNIAL STREAM "Q" NO IMPACT _ems o 257 LF_---� \ / � 11111111\\\\I\ I —_—__= �/i / ��_--__ �/• /_'_�\\\ I 111//jj�//// �ii %/IIII�III INTERMITTENT STREAM "B" Y' I /I� /�%i%% II 231 LF NO IMPACT_�' \��0 (SEE SHEET 2.0) //iii// / 1 I \\�/ice////�/�%i%'%\� --- GRAVEL MV\\_ 1 \ \---- — � \— --\ \I 11 Ilk \\\ Illill` \� I 1 U I � 1 I � I WETLANDS "Z" 2,547 SQ FT/0.06 AC. 2,478 SQ FT/0.06 AC. IMPACT (SEE SHEET 2.0) t ,4 WETLANDS "S" 952 SQ FT NO IMPACT WETLANDS "T" 506 SQ FT -,1110 IMPACT WETLANDS "V" 176 SQ FT INTERMITTENT STREAM "U" NO IMPACT 157 LF WETLANDS "W" 229 SQ FT NO IMPACT WETLANDS "X" 539 SQ FT NO IMPACT Iwe Partnere, PLLC 7140 Waddington Rood Cono Suits NCS 28027 CIM Site Dselgn Low Impact Development Small—Style BuOding Design Tgaphl 70A.e77.1em Fa 1. 7 2,ULM1 Seca Not For Constn ctlon Firm License / P-1191 I 11 �I By /1 l i If i �iiii\/ nR = 15_1 0911G,"mss m— ;,/111////////,Illi, \\\\ 1 11 �— // \ 1 III I I I I 11/ll \II1111 Ijlllll /1///�j/ ��II L� I I i 11%ifif ,a Sheet Title: PERENNIAL STREAM I / PERENNIAL STREAM "�"I / i/iii l%l, 2,0 338 LF OT 11, 1 1 !I I I I j I I 1 1 I l \\ \ NOIMPACTI 1 III \ EXISTING \\ 377tF /�//�� /\\\\\\:\\::\\\:\\. CONDITIONS \ Q, %/J\\ \ \\I 11\ \ / J 1 Sheet Na: \ ,/III 1 0 . /,,,, / li 1 t ,4 WETLANDS "S" 952 SQ FT NO IMPACT WETLANDS "T" 506 SQ FT -,1110 IMPACT WETLANDS "V" 176 SQ FT INTERMITTENT STREAM "U" NO IMPACT 157 LF WETLANDS "W" 229 SQ FT NO IMPACT WETLANDS "X" 539 SQ FT NO IMPACT Iwe Partnere, PLLC 7140 Waddington Rood Cono Suits NCS 28027 CIM Site Dselgn Low Impact Development Small—Style BuOding Design Tgaphl 70A.e77.1em Fa 1. 7 2,ULM1 Seca Not For Constn ctlon Firm License / P-1191 I 11 . . Rro}ot "MOW 17-17-001on— By III / IIIl l i If i �iiii\/ nR = 15_1 0911G,"mss m— ;,/111////////,Illi, \\\\ 1 l—///i/� _ ///11 / / \\ \ \Illill I I 1 I �— // \ 1 III I I I I 11/ll \II1111 Ijlllll /1///�j/ ��II L� I I i 11%ifif /, "N" Sheet Title: PERENNIAL STREAM I / PERENNIAL STREAM "�"I / i/iii l%l, 2,0 338 LF OT 11, 1 1 !I I I I j I I 1 1 I l \\ \ NOIMPACTI 1 III \ EXISTING \\ 377tF /�//�� /\\\\\\:\\::\\\:\\. CONDITIONS \ %/J\\ \ \\I 11\ \ / J 1 Sheet Na: \ ,/III 1 0 . /,,,, / WETLANDS "O" 25,431 SO FT/0.58 AC. 3,355 SQ FT/0.08 AC. PERMANENT IMPACT SEE SHEET 2.1 OVERALL PERCENT IMPERVIOUS FOR THIS PROJECT = 24.85% 250 0 INTERMITTENT STREAM "B" 250 500 SHEET 2.3 Sheet No: 231 LF 00 NO IMPACT (SEE SHEET 2.3) Lw WETLANDS "Z" WINit 61 KA,••—XI"GE ROL4TiPAC1 2,547 SQ FT/0.06 AC. ! 2,478 SQ FT/0.06 AC. PERMANENT IMPACT �� (SEE SHEET 2.3) — ---- _ \\\\\\\\�\ s.79 AC Illiliii/ `� i 30 26 9 / i, / i 27 ,,,1,11111 I � 1\ VIA \ LEGEND: 25 DEVELOPMENT BOUNDARY CRM CENTERl1NE PROPOSED RIGNr-DF-WAY ,\II\ \ /0 III — — — — PROPOSED LOT UNE ® EXISTING WERANDS NO IMPACT I M 0 I 1111 II\111\_/ J I I .� 23 PROPOSEDGRADE VARA Vv' 1 1 MiTEMA.ACS 011111f _ SWIM BUFFER PRO OSED MAIN &13AC N W— - PROPOSED WAR TEEAWN ----880.00- EXISTING OWE PROPOSED RETAINING WAIL 21 = GRAPHIC SCALE 250 0 125 250 500 SHEET 2.3 Sheet No: 00 AUTUMNCMT RD. ycTTFNANC] -JV! WETLANDS "O" SEWER CROSSING BY DIRECTIONAL BORING AND PEDESTRIAN FOOT BRIDGE - NO IMPACT SEE SHEET 2.1 PERENNIAL STREAM "N" SEWER CROSSING BY DIRECTIONAL BORING AND PEDESTRIAN FOOT BRIDGE - NO IMPACT \,.. SEE SHEET 2.1 /Y1 rf'lI ENLARGEMENT rrof w N_�_r� \, SHEET 2.1 \\3 IV 18 NA7VRAL OPEN SPAC! 3.42 AC 19 I 20 / 1 J ��IY\11IIIYI'1' 11I� ===�f//1 IA\111'I'lllll'I11 I !!` 1111 II11 II, \ 11111\\Illljl,l\I\ ENLARGEMENT SHEET 2.2 Icu *I-.-. I- 7140 Weddin ton Road Suite 140 Concord. NC 28027 CIM Site Deelgn Low Impact Development Small -Scale Budding Design Td"h_ 7aA3711e2I Faekel. 7 24 7951 sear Firrn Ucenee / P-1191 r_Me Fnike NYnwr: n-n-aoe pat« 02-25-2m. or - / __ By �. oRieiHA1sueMm� . 0l / II\Ij\II/`�///�/////IIIIII// \)1111111\IIII1111j1,111111111111\\IIIIIII,I///' Sheet Title: �� IIIIII \/ /11 11111 j 1 1 I I I I I 1\ \\ I'::\\��\� SITE \� LAYOUT I /i/ ENLARGEMENT //// / / / / / /// '/ / \ \)\I \)\00 SHEET 2.3 Sheet No: 00 Lw WINit 61 KA,••—XI"GE ROL4TiPAC1 SHEET 2.2 \\3 IV 18 NA7VRAL OPEN SPAC! 3.42 AC 19 I 20 / 1 J ��IY\11IIIYI'1' 11I� ===�f//1 IA\111'I'lllll'I11 I !!` 1111 II11 II, \ 11111\\Illljl,l\I\ ENLARGEMENT SHEET 2.2 Icu *I-.-. I- 7140 Weddin ton Road Suite 140 Concord. NC 28027 CIM Site Deelgn Low Impact Development Small -Scale Budding Design Td"h_ 7aA3711e2I Faekel. 7 24 7951 sear Firrn Ucenee / P-1191 r_Me Fnike NYnwr: n-n-aoe pat« 02-25-2m. or - / __ By �. oRieiHA1sueMm� . 0l / II\Ij\II/`�///�/////IIIIII// \)1111111\IIII1111j1,111111111111\\IIIIIII,I///' Sheet Title: �� IIIIII \/ /11 11111 j 1 1 I I I I I 1\ \\ I'::\\��\� SITE \� LAYOUT I /i/ ENLARGEMENT //// / / / / / /// '/ / \ \)\I \)\00 SHEET 2.3 Sheet No: PROPOSED BMP (SAND FILTER SF -1) LEGEND: ;\111 ,r\ ,.. ..a DEVELOPMENT BOUNDARY C CENTEWl1NE \A\ 47 PROPOSED RIGNr-DF-WAY PROPOSED LOT UNE ® EXISTING WERANDS NO IMPACT D WETLAND IMPACT AREA 6678 PROPOSED GRADE SWIM BUFFER 49 PROPOSED SEWER MAIN —W W— - PROPOSED WATER AWN ----880.00- EXISTING OWE PROPOSED RETAINING WAIL GRAPHIC SCALE 250 0 125 250 500 PROPOSED BMP (SAND FILTER SF -3) AUTUMNCREST RD. ygi>HTFNANCE..RIW ..-..-..-..-........ rII 45 44 IOI70RAL / AC 8A'8 OP& ICl I AC i---------- -19 NATURAL 0P8W SPACE _ 8.73 AC 31 30 28 / 29 14 22 21 111 43 �1 42 / 41 40. , \ 39 / \1,48 ;\111 ,r\ ,.. ..a \A\ 47 48 49 50 38 / 37 32 I 33 1 34 38 / 35 13__t 12 11 1 nn\ %/ %11 `�',. \ ✓ \ e \ moi, / �/i////i TER 1GPM 1 PROPOSED BMP `IfR7 AC \ 7 I !, I ; \\ (SAND FILTER SF -4) \` h� vv v vvv _� � v`vvvv 8 �v� g 10 Oi 1 �I I I In1111� A A 1A 1 V 1 VAA / `vim v v II11j1 r \ I �j�—'.r/I �vIvIIv�Illilllllll llillrlvI _______---_ _ II 18 OP A3PISTl CS \l\1 /'/ 1 3.42 AC II\II\11111/I///�_IPROPOSED BMP !SAND FILTER SF -2) mill \ //II ` 111111111 1I1 1 1 11 11111 1I11I I I I I I I 1 I 1 I 1\\\\\ \\ \ \ 20\ J/ I J)) / \I`1" \)\1\\\\ \ \ -- —• .ii///i//i%/ �'� \\\ /' — : i/iii%i%ii/�/I I— �\ ../ r � 1\ 1\ \ [/ / f// //' // *Pc-rt7140 Weddin ton Road Suite 140 Concord, NC 28027 CIM Site Deelgn Low Impact Development Small -Scale Budding Design Td"h— 70A3711e21 Pao . 7 21 7951 sear Firrn Ucenee / P-1191 sheet Title: STORMWATER OVERVIEW Sheet No: 2.0B WETLANDS "O" ROAD CROSSING IMPACT AVOIDANCE AND MINIMIZATION SUMMARY: I DUE TO EXISTING TOPO AND SIGHT DISTANCE 00 CONSTRAINTS AT AUTUMNCREST ROAD, THE EXISTING ROCK OUT CROP AREA, AND THE NEED FOR A SECOND ACCESS POINT TO THE SUBDIVISION (OVER 25 LOTS), ROWAN HILL DRIVE MUST CROSS THE WETLANDS AT THIS LOCATION. 4 HOWEVER, WE ARE ABLE TO MINIMIZE THIS IMPACT WITH THE HELP OF RETAINING WALLS AND HANDRAILS PLACED AS CLOSE TO THE PROPOSED CROSSING AS THE TOWN OF HUNTERSVILLE WILL ALLOW. \ WETLANDS "O" SEWER CROSSING BY DIRECTIONAL BORING AND PEDESTRIAN FOOT BRIDGE - NO IMPACT PERENNIAL STREAM "N" SEWER CROSSING BY DIRECTIONAL BORING AND PEDESTRIAN FOOT BRIDGE - NO IMPACT WETLANDS "O" 3,355 SF/0.08 AC.(RIP RAP INCLUDED IN TOTAL) PERMANENT IMPACT (SEE SHEET 3.0 FOR CULVERT PROFILE AND 4.0 FOR CULVERT SECTION) WETLAND "O" IMPACTS DUE TO: -FILL ASSOCIATED WITH ROAD CROSSING ho )'t a "=�IIQ ��` �♦ 7140 Weddiniton Road Suite 40Cwcorcl, NC 28027Lm Impact Development��• �' Be �ISNot For ConstructionFImn Limse III P-1191'' PERENNIAL STREAM "N" \ SEWER CROSSING BY DIRECTIONAL BORING AND PEDESTRIAN FOOT BRIDGE - NO IMPACT CB FES -7 SAND WETLANDS "S" SEWER CROSSING BY DIRECTIONAL BORING �0) FILTER �j AND PEDESTRIAN FOOT BRIDGE - NO IMPACT OUT c 91 SF- 3 LEGEND: GE - — - � PROPOS RIGKT- CREIX CENTERLINE PROPOSED LOT OAREA B ® EXISTING WETLANDS NO IMPACT lJ 0 WETLAND IMPACT AREA ^ 878 PROPOSED GRADE SWIM BUFFER PROPOSED SEWER MAIN —TV PROPOSED WATER MAN ----880.00---- DaM M GRADE PROPOSED RETUMNG WILL 76 CB GRAPHIC SCALE 0 0 20 40 80 S P.J o Na .. 17-17-008 Dale 02-]8-4019 D nn or AL1 uaMee By MRP Sheet n0e. SITE LAYOUT 40 -SCALE Sheat No: 2.1 PERENNIAL STREAM "N" PEDESTRIAN FOOT BRIDGE - NO IMPACT PEDESTRIAN TRAIL (TYP.) WETLANDS "T" N O I M PACT LEGEND: — — DEVEIOPMENT BOUNDK/ ORDER CENTERLINE — PROPOSED RIGHT-OF-WAY PROPOSED LOT UNE ® ERR7NG WETIAN NO IMPACT WEIVND IMPACT AREA 678 PROPOSED GRADE SM BUFFER PROPOSED SEWER MIN —r W— PROPOSED "To 1/4N --_-6W.00---- EXISTNG GRADE PROPS RETAINING WALL GRAPHIC SCALE 40 0 20 40 80 6M ow n 11 / u 0 / ` N `- FES -4 .00 u T. � T ;�14 12 I� CB J �x iwe Partner, PLLC 7140 Waddington Road Suite 140 Concord, NC 28027 CIM Site Design Low Impact Development Small -Scale Building Design TdW wwa 70Ae7A1621 Facsimile 70A2/a71e1 Sad. Not For Construction Firm 1.1"mae / P-1191 z z° 7 N O � QUO? �ozooQL= Z2, I(nW vJ �VOO . Nor o 7- > m - „ 1 z T Prwpwt NwmMr. 17-17-008 D, w 02-25-2019 ones, By JN CNwtlad Bp HRP Sheat 71U. SITE�•LAYOUT .0 2.2• • WETLANDS "Z" BMP IMPACT AVOIDANCE AND MINIMIZATION SUMMARY: t /\ I I L1 J FE5;j I DUE TO THE EXISTING DRAINAGE DIVIDES WITH THIS SITE AND THE NEED TO PRESERVE THE AREA BEHIND LOTS 26 & b b / / I I / Iwe Partnere PLLC 27 FOR TREE SAVE, SAND FILTER SF -1 NEEDS TO BE LOCATED AT THIS LOW POINT TO TREAT AND DETAIN I INTERMITTENT STREAM "B" // 7140 Weddington Road POST -DEVELOPED RUNOFF. 231 LF 4Q �OGr4teNCO29027 i NO IMPACT / ��Q low Impact DDevelopment (SEE SHEET 3.1 FOR CULVERT PROFILE) ` small-scale Banding Design HOWEVER, WE WIILL BE RE-ROUTING THIS WETLANDS Fau�niw ]01.2K]ee1 DRAINAGE FEATURE AROUND SF -1 IN A GRASSED LINED CHANNEL TO DROP INLET DDI -2. THIS GRASSED LINED S". CHANNEL SHALL BE KEPT MAINTAINED AND CLEARED OF DEBRIS BY THE HOA. JB - i WETLANDS "Z" FILL ASSOCIATED WITH LOT GRADING AND Not For Construction ROAD CROSSING IMPACT AVOIDANCE AND MINIMIZATION26 SUMMARY: I \ � P \ Firrn License / P-1191 O DUE TO EXISTING TOPO AND SIGHT DISTANCE CONSTRAINTS AT ASBURY CHAPEL ROAD AND THE NEED \ C FOR A SECOND ACCESS POINT TO THE SUBDIVISION (OVER 25 LOTS), MOONLIGHT MIST ROAD MUST CROSS THE WETLANDS AT THIS LOCATION. LOT 25 IS NEEDED TO000 \ Q SUPPORT THE INFRASTRUCTURE ASSOCIATED WITH THIS O Z DEVELOPMENT. I I 27 HOWEVER, WE ARE ABLE TO MINIMIZE THIS IMPACT WITH 10OO z THE HELP OF RETAINING WALLS AND HANDRAILS PLACED DDI -2 11 AS CLOSE TO THE PROPOSED CROSSING AS THE TOWN OF N �� HUNTERSVILLE WILL ALLOW. n� N l U Z 28 ZCL H��o �O ooze z0 w � a 75 / _0 3 Jo SAND c - 9>– o N FILTER I 0 7– SF-1 WETLANDS "Z" � z 2,547 SQ FT/0.06 AC. C) y� 4 0 = 2,478 SQ FT/0.06 AC. TOTAL PERMANENT IMPACT 75 (SEE SHEET 3.1 FOR CULVERT PROFILE) WETLAN[1_!'Z" IMPACTS DUE TO: -BMP (INCLUDING GRADING OF BMP) = 0.M5 A1✓ -FILL ASSOCIATED WITH LOT GRADING = 0.015 AC. -FILL ASSOCIATED WITH ROAD CROSS'UNG = Oa03 A I z "t) i ft>t Man1but. 17_11�006 LEGEND: t� I Dees nz-a�ame I I I I �JrB 2 4 \ / Dann OF am oEYELaPUENr 11ouNDARr CREEK CENTERLINE - CROPOSED ERLIME -WAY PROPOSEDTL UNE I SQ / \ / aPI ..6%Mill' _ _ _ _ _ _ _ _ EXISTING WETLANDS NO IMPACT A 0 WETLAND IMPACT AREA T4 / / �evies.�=OziGiuu Suaminu B78RR"'ESM PEDESTRIAN T -�� PROPOSED SEWER MAIN —••—PROPOSED WATER TRAIL (TYP.) to / ----Beo.ao---- EXISTING GRADE PROPOSED RETAINING WAu V C I / S \ Sheet 71De: SITE LAYOUT GRAPHIC SCALE NATURAL 60 -SCALE 60 0 30 so 120 \ o OPEN SPACE Sheat N. ` 0 3.13 AC 2.3 48" RCP, LENG SLO EXISTING GRADE PIPE TO BE BURIED 1 -FT MINIMUM INTO EXISTING CREEK BED �l7 (1�(1CCfl (`_17Af1C FES 0.0% SLOPE 650 0+00 0+50 4811 ICP (WETLAND 11011) HORIZONTAL GRAPHIC SCALE 1 INC -i = 40 FEET 40 0 20 40 80 VERTICAL GRAPHIC SCALE 1 INCH = 4 FEET 4 0 2 4 8 750 740 PROP JB-1— RIM ELEV. = 743.00 INLET INV. ELEV. = 726.21 OUTLET INV. ELEV. = 726.01 730 PROP 60" RCP, CLASS IV_ LENGTH = 60.61 SLOPE = 0.02% FES1 0.0% SLOPE DATUM ELEV 750 730 DATUM ELEV 720 0+00 1+00 720 DDI -2 TO EES -1 (WETLAND 11211) micue Partner, PLLC 7140 Weddin tan Road Coned IteNC 0 28027 CPM Slte Design Law Impact Development Small—Seale O.Uding Design TMpemw 7"57&1= Fa lw 70A21 ml Seals: Not Fa Construction Flan License / P-1191 P.jw NwMr. 17—,T—ooe Oelw 02—Pb-2019 owewa e■ 1.1P Se -t nue: WETLANDS CULVERT PROFILES M.t No: 3.0 PROPOSED GRADE PROP DD-12— RIM ELEV. = 741.80 OUTLET INV. ELEV. = 736.80 EXISTING GRADE /PROP 42" RCP, CLASS IV LENGTH = 123.58 LOPE = 8.57/D 750 730 DATUM ELEV 720 0+00 1+00 720 DDI -2 TO EES -1 (WETLAND 11211) micue Partner, PLLC 7140 Weddin tan Road Coned IteNC 0 28027 CPM Slte Design Law Impact Development Small—Seale O.Uding Design TMpemw 7"57&1= Fa lw 70A21 ml Seals: Not Fa Construction Flan License / P-1191 P.jw NwMr. 17—,T—ooe Oelw 02—Pb-2019 owewa e■ 1.1P Se -t nue: WETLANDS CULVERT PROFILES M.t No: 3.0 WING 680 WALL 670 m..1 650 0+00 0+25 0+50 UPSTREAM RCP— HEADWALL SIZE =CLASS II III LENGTH = 41.00' INV IN = 652.62' INV OUT = 652.05' SLOPE = 1.4% Dollsill Cmc 650 0+00 0+25 DOWNSTREAM HEADWALL 0+50 SIZE = 48" RCP CLASS III LENGTH = 41.00' INV IN = 652.62' INV OUT = 652.05' SLOPE = 1.4% EXISTING GRADE =====F=:I 680 ,-- WING 70 WALL 650 0+75 1+00 - PIPE TO BE BURIED 1 -FT MINIMUM INTO EXISTING CREEK BED EXISTING GRADE 0+75 1+00 PIPE TO BE BURIED 1 -FT MINIMUM INTO EXISTING CREEK BED WING WALL 680 670 ..1 =650 1+25 micus Partnere, p - 7M Weddington Road Suite 140 Concord, NC 28027 CIA Site Design Low Impact DewAapment Small—S-1. Building Design Fwft roa.slalezl Faainlw 10AR4d1961 Sed.: Not For Construction Firm Ucen.e / P-1191 P.1.t Nwelrr. 1]-11-00! DA. 02-24019 a— .Y All ci-eee .w .R I I Sheet 1lti. WETLANDS HORIZONTAL GRAPHIC SCALE VERTICAL GRAPHIC SCALE 1 INCH = 20 FEET CULVERT 1 INCH = 2 FEET CROSS 20 0 10 20 40 2 0 1 2 4 SECTION mm Sheet No: 4.0