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INDEX OF COVER )F SHEETS
0
VICINITY MAP 1.o
OVERALL SITE PLAN
SF-1 GRADING AND STORM DRAINAGE AGE 2.0-2.1
~ ~ SF-2 GRADING AND STORM DRAINAGE AGE 3.0-3.1
SF-3 GRADING AND STORM DRAINAGE AGE 4.0-4.1
DETAILS FOR SF-1 CONSTRUCTED WETL DETAILS FOR SF-2 CONSTRUCTED WETL DETAILS FOR SF-3 CONSTRUCTED WETL VETLANDS 5.0-5.2
~ ~ / - VETLANDS 6.0-6.1
~ ~ VETLANDS 7.0-7.1
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AL SUBMITTAL DATE:
~ DEVEL WENDELL FALLS R 5660 SIX FO SUITE ~ RALEIGH, _ IQ141 RF,1 /2007
• DNS:
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ATTN: GREG FEKC;USUN
ATTN: MIKE MIKE JONES I WAKE COUNTY P.I.N.: P.I.N.: 1773-05-0057
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a GENERAL NOTES ~ r• / / r / /
• ~ j~ / ~
t. ALL CONSTRUCTION SHALL 8E IN ACCOROIANCE WRH GIY OF N~ENDELL M1D/OR NCDOT STANDARDS do / ~ ~ i i / i i~ i o°°°°QQQOOOOOOQ
N SPECIFICATIONS AND RALEIGFI ST/WQARDS ~ SPECIFlCATIONS FOR SENDER AND WATER. i y. ~ i i j ~ i Nll ' 11 1 ~11 CAR o o `
~ 2. THE INTERSECTION OF RIGHTS-OF-WAY SHALL BE ROUNDED WITH A RADIUS OF 20 FEET UNLESS OTHERNNSE ~ ~ ~ g SPECIFlED ON THE PUWS. i i r i 1 111 °0°00000 °o ss/p ° ° oo° 0° pF E
N 3. OPEN SPACE WRHIN THE DEVELOPMENT SHALL BE MAINTAINED 8Y THE OWNER AND/OR HOMEOWNER'S / ~ ~ ~ •11 I •11 0 00 e 0 e
r ASSOCIATION. ~ ~ ~ 4. WRHIN THE AREA DEFlNED BY THE SIGHT DISTANCE TRWNGLE AND THE RIGHT Of WAY (PUBLIC SiREEfS) ~ ~ ~ , ~ ~ --~_i ~ ~ ` ~ iii i r I I .r I11 SEAL 00 o
AND/OR BACK OF CURB(PRNATE ACCESS STREETS). THERE SHN1. 8E NO SIGHT OBSTRUCTING OR PARRY ~ ' ~ OBSTRUCi1NG WALL, FENCE, SIGN, FOLIA~~ BERMING OR PARKED VEHICLES BETWEEN THE HEIGHTS OF 24 O.--i .~'~•~....1 INCHES /WD 8 FEET ABOVE THE CURB LINE ELEVATION OR THE NEAREST TRAVELED WAY IF NO CURBIW6 ; , ,i' • ~ ~ ~ ~ i ~ i 'li ~ I 184 0 0 o °0
I ~ o 0° o ®°o°°FN~ I oeo
0 0 000
oa IXISTS. 5. SIGHT TRWJGLE SAES: ~f i L .3 °00000000 0014 O
o IWTERNAL STREETS: 10'x250'
~ ~oa~. Fars ~vo. i5 X~' NOTES: ~ j • ~ ~ l
8. THE CONTRACTOR SHALL CLEAR AND GRADE AS NECESSARY TO PROVIDE 10' X 250' SIGHT OISTiWCE • GRAPHIC SCALE
TRUWGLES AT ALL INTERNAL SUBOMSION STREET INTERSECTIONS. 1. AREAS COMPUTED BY COORDINA 9. RIGHT-OF-WAY SHALL BE CLE4RED ANO GRUBBED W(IHIN 100 OF ALL PUBLIC STREET INTERSECTIONS. 2, BASIS OF BEARINGS: NC GRID ( a 10. GRASSED OR PWJTEO MEWWS WITHlN THE RIGM OF WAY ~i~. ~ MNMaNED BY THE HOA. 3. ALL DISTANCES ARE HORIZONTAL )ORDINATE METHOD. i ~ ~ ~ ~ ~ ~ i i goo 200 0 100 200 400
GRID (NAD 83) X. i • ~ ` i~----:~ ~ ;
11. NO PORTION OF SF-3 IS IN THE 100 YEAR FLOODPLAIN PER FlRM MAP 3720176300J~ QATED MAY 2. 2006. ~IZONTAL GROUND DISTANCES. ~ y ~ ~ ~ NIN THE NEUSE RIVER BASIN, AND PORTIONS OF THE ~ ; ~ ~ ~ ~ ~ ~ ~ , i ; 1 inch - 200 ft.
~2. n~E o~.o~ w~LL e~ Ra~o~sie~.~ ~ ,u~. iNSrulnnav cosr ,~ssocw~n wmi srR~r ucrmNC. n~E 4. THIS PROPERTY LIES WITHIN THE pEyEt pppZ gwW. CONTgCT pRpGRESS ENERGY-CAROl1NA POWER do LIGHT IN ORDER TO DEVELOP A StREEf PROPERTY MAY BE SUBJECT TO IECT TO PROTECTNE BUFFERS AS DEFlNED BY NCDENR. ~ ? ~ • ~ ~
LIGHTING PUW FOR THE Sf1E/SUBDMSION PUWS PRIOR TO CONSTRUCTION.
3 13. N.L EASEMENTS SHALL BE AIAINTAIWED BY THE PROPOERIY DINNER. • ~ ~QIETLANDS . • ~ ` • ' . S.i
€ 14. SUBDMSION SIGNS ARE TO ~ MNNTAINED BY THE DEVELOPER AND/OR HOME OWNER'S ASSOCWTION. i~ ~ ~i~ ~ ~
L
Date B Designer Scale g NO. Revision
AV EN Fm L sheet No.
N 1 AS PER DWQ 07/27 0 71 KW WEC 1' ~ 200' Drawn By Date WENDELL FALLS OVE OVERALL SITE PLAN WITHERS &pw RA ENGINEERS 1 PLANNERS 1 SUN SURVEYORS ~ •O
$ WEC 05/2§L2007 Checked By Job No. 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-4 fax: [phone] www.withersravenel.com
Wake County North Carolinalli-
WdeR 205261.04 Wendell i
Y

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~ f- ~ - ~ / ~
GENERAL NOTES
_ 1. ALL CONSTRUCTION SHALL. 8E IN AC~ORfaANCE WITH CITY OF CITY OF WENMU AN0101? NCOOT
~ I ~ ~ ~ I ~ 1 ~ ~ sue-- ~ ~ ~ STANQARD SPECIFlG1T10NS AND RN.EIGH STAWQAROS AND SPE WATER. AND SPECIFICATIONS FOR SEWER AND
2. BOUNDARY ANO TOPOGRAPHIC INFORMA~I PROVIDED BY WIT 3. THE INTERSECTION OF RIGHTS-OF-WAY SHALL BE ROUNDED UNLESS OTHERWISE SPEGFlED ON THE PUWS. D BY WITHERS do RAVENE4 INC.
DUNDED WITH A RADIUS OF 20 FEET
~ ~ ~ 4. THE CONTRAC70R SHALL. CLE4R AND GRADE AS NECESSARI' 7 DISTANCE TRIANGLES AND ALL INiEftNAI SUBDMSION STREET ESSARY TO PROVIDE 10' x 250' SIGHT STREET INTERSECTIONS.
5. OPEN SPACE WIIFNN THE DEVELOPMENT SHN1. BE AWNfAINED 1AINTAINED BY THE OWNER AN010R
/ / ~ HOMEOWNER'S ASSOCIATION. 'LAIN PER FIRM MAP 372017730OJo
/ / ~ _ 6. NO PORTION OF SF-1 IS IN THE 100 YEAR fL00DPLNN PER v 4,~' _ OVIIED MARCH 2. 2006.
/ ~~J / ~ i 8
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~ ~ ~ ~
~p IMPERVIOUS SURFACE CALCU o~ ALCULATIONS
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S , ~ / / f ~ s,~' SF-1 r
STREETS DRNEWAYS ' y _ z SIDEWALKS 181,184 SQ FT 721050 SQ FT
/ ~ f / / ~ ff SF ~F O6 SF ~ ~ ~ C 48,005 SQ FT
' HOMES 156,317 SQ FT
PAl10S 0 S Q FT
TOTAL IMPERVIOUS SURFACE ~ 457,556 SQ FT
• % IMPERVIOUS = 457,55fi / (43560 X 25.32) 25.32) = 41.5%
N
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~ / ~ ~ ~ / z C~ Ff SF 8 g STORM DRAINAGE SUMMARY PAD-2 3 upstream
~ ~ • ~ 1 FFFE 62.47 GFE - 26 . InNt 8y~Eem Invert Downstream Top of
! 7, FFE .97 Upitnam Oovmatrosm Ana InEenlly Olocsl G1ola1 F GF D-26297 Node Nods IMftC (aeds) QNhtj (eM} (cf~ S~ 1 ~ • ST 1 ~ YI 344 VI 343 0.32 0.56 7.22 1.28 1.3 8 i YI 343 YI 34? 0.32 0.47 7.OS 1.06 2.3~ 10 i F YI342 YI341 0.32 0.28 8.91 0.57 2.88 12i IAGE 2 vi cs ~o 0.32 o.z3 e.~e o.so 3.~ ~z. _ CB 340 CB 319 0.9 O.OS 8.88 0.30 3.59 15 i S7 Y1338 Y1335 0.3 0.38 7.22 0.82 0.83 8 ir Z61 natal Length Capadty Elevation Invert CurbfFVm left) Size Material (10 (cft) Slope {°/a 0" ©evation (it) Bev. (tq
~ 3p\ -~OEI~G FkL~T~~_---= 23 i ~/l.l ~llll ~~l 1.3 8 inch HDPE 237.03 1.42 1.18 267.30 264.50 269.30 2.34 10 inch HDPE 200 2.25 0.90 264.30 262.50 267.00
2.88 12 inch HDPE 201.84 4.12 1.14 262.30 260.00 265.00
1. ~ / ~ ~ 05 3.33 12 inch HDPE 204.4 3.47 0.81 259.80 258.15 263.00 3.59 15 inch Class III RCP 75.89 10.67 283 257.90 255.75 266.56
- 225=, ~ / ~ Zi J~ . 11I INI.(~j~. j iii"~~~~}~j~ ~ / ~/~/j~.l.ij .;.I~~ i ~ ~ x~ i~ .~.~~~f~~ iii / E 0.83 8 inch HDPE 114.21 1.34 1.05 232.20 231.00 235.20
l I F 75 YI335 C8330 0.3 0.48 7.13 0.98 1.81 10i 8 CB 391 C8 333 0.8 0.16 7.22 0.68 0.7 15 i CB 333 C8 332 0.7 0.2 7.19 1.01 1.71 75 i CB 332 CB 330 0.4 0.4 7.14 1.14 2.83 15 i H C8 331 CB 330 0.55 0.37 7.22 7.47 1.48 75 i 231, s~• • C9 330 CB 307 0.5 0.39 7.04 1.37 7.43 18 i C8 328 CB 327 0.72 0.72 7.22 0.82 0.83 15 i ~ ~ CB 327 CB 326 0.6 0.35 7.2 1.51 2.75 15 i CB 328 CB 325 0.8 0.35 7.08 1.49 3.81 15 i r'389. CB 325 CB 323 0.6 0.35 6.98 1.47 5.01 15 i ' 23~ CB 324 CB 323 0.8 0.23 7.22 1.00 1 15 i 3.3 % ~ P ~ 9 CB 323 CB 321 0.8 0.35 8.9 1.45 7.4 18 i FF 60. CB 322 CB 321 0.8 0.19 7.22 0.82 0.83 15 i ~8 S CB 321 CB 320 0.85 0.15 6.82 1.98 10.11 18 i CB 320 CB 319 0.70 0.08 8.79 0.32 10.38 24 i r ~ b31d CB 318 CB 310 0.3 0.31 6,83 1.03 14.75 24 i CB 318 CB 317 0.05 0.17 6.82 0.08 14.78 24 1 ~ 1.81 10 inch HDPE 137.37 3 1.60 230.80 226.60 234.00 0.7 15 inch Class III RCP 26.41 5.62 0.76 230.50 230.30 234.58
R z.e 1.71 15 inch Class III RCP 58.82 5.33 0.68 230.10 229.70 234.44
2.85 15 inch Class III RCP 151.36 6.43 0.99 229.50 228.00 233.85 1.48 15 inch Class III RCP 22.5 9.9 0.89 228.20 228.00 232.31
7.43 18 inch Class III RCP 100.77 13.64 1.74 227.75 226.00 232.38
0.63 15 inch Class III RCP 22.5 6.09 0.89 262.70 262.50 266.76
\ ~ 1 2.15 15 inch Class III RCP 149.87 5.53 0.73 262.30 261.20 266.76 3.61 15 inch Class III RCP 151.02 5.99 0.86 261.00 259.70 265.26
9 \ • \ ~y 1 1 T A 5.04 15 inch Class III RCP 149.35 6.36 0.97 259.50 258.05 263.74 1 15 inch Class III RCP 22.5 5.27 0.67 258.20 258.05 262.26
F ~ r. _ \ 48 S 3 7.4 18 inch Class III RCP 137.22 9.4 0.80 257.80 256.70 262.26
' SS f . H 0 0.83 15 inch Class III RCP 22.5 12.13 0.89 257.00 256.80 281.03 10.11 18 inch Class III RCP 59.64 9.62 0.84 258.50 256.00 281.03
N ~ 10.39 24 inch Class III RCP 45.98 18.27 0.65 255.50 255.20 261.59
~ C ~ E 14.75 24 inch Class III RCP 38.5 28.24 1.56 255.00 254.40 264.83
9 ~ ~ ~s TA , ~ ~ \ PAD 262J CB 377 CB 318 0.68 0.05 6.6 0.22 14.98 24 i 3.4 ~ 0 , CB 318 CB 315 0.84 0.47 8.57 1.98 76.8 24 i GF 5 6~ 7 6 (V CB 315 CB 312 0.48 0.07 6.57 0.23 17.11 24 56. ~ eS CB 311 CB 313 0.18 0.81 7.22 2.69 2.71 15 ~ ~S \ ~ C8 313 CB 372 0.72 0,12 7.2 0.82 3.33 75 - ~ CB 312 CB 310 0.55 0.22 8.53 0.79 20.64 24 i CB 310 CB 308 0.6 0.28 8.5 1.01 2292 241?/~ CB 311 CB 310 0.61 0.29 7.22 1.28 1-29 15 v , CB 308 CB 307 0.61 0.26 B.48 1.02 23.87 24 .1 ~ ~ ~ CB 30Y CB 306 0.5 0.31 8.48 1.00 31.67 30 P 52. C8 306 CB 303 0.7 0.09 8.45 0.11 32 30 i 14.78 24 inch Class III RCP 47.73 38.74 293 254.20 252.80 264.54 14.98 24 inch Class III RCP 101.32 38.92 2.96 252.60 249.60 261.73
16.9 24 inch Class III RCP 22.5 39.9 3.11 249.40 248.70 258.20
EAD ~ ~ ~ \ F \ 2Sp R ryryry~~~F~\AI GCE ~ 2 17.11 24 inch Class III RCP 135.7 41.65 3.39 248.50 243.90 258.20 2.71 15 inch Class III RCP 43.1 14.59 5.10 248.00 245.80 252.30
L 3 E \ 3.33 15 inch Class 111 RCP 22.5 14.6 5.11 245.60 244.45 250.85
U \ 20.84 24 inch Class III RCP 148.41 49.13 4.72 243.70 236.70 250.65 22.92 24 inch Class III RCP 164.62 49.24 4.74 236.50 228.70 242.36
/ ~yE~ NDS i : ~ ~l. ill. 3.i ~ 1.29 15 inch Class III RCP 22.5 11.79 3.33 238,00 237.25 242.36
i /-215 o.. - ~ ~ \ ^ Z \ E _ 23.83 24 inch Class III RCP 47.73 56.71 6.29 228.50 225.50 233.57 31.61 30 inch Class III RCP 22.5 77.34 3.56 225.00 224.20 231.26
\ \ _ I~ 32 30 inch Class III RCP 54.97 114.71 7.82 224.00 210.70 231.26
- .4 ~ 2 FF 53. ` \ (n CB 305 CB 303 0.71 0.13 8.44 0.59 32.55 30 i ~i CB 304 CB 303 0.63 0.88 7.22 3.10 3.12 13 W CB 303 JB 302 O.d 0.48 8.44 1.7B 37.17 36 JB 30Z FES 301 WA WA 8.31 WA 28.15 30 i Z JB 302 IlOVT 300 WA WA WA WA 6.84 15 25 . ~ YI 232 YI 231 0.3 0.3 7.22 0.85 0.85 8 ~ L 32.55 30 inch Class III RCP 22.5 105,9 8.47 219.50 218.00 228.28
~ • • 1 ~ `t' r~ \ 3.12 15 inch Class III RCP 108.29 4.65 0.52 219.45 218.90 221.71 37.11 36 inch Class III RCP 259.41 43.43 0.42 217.50 216.40 228.28
• . • • • • • FFEO 29.15 30 inch Class III RCP 35.42 72.28 3.11 217.10 216.00 223.50
6.64 15 inch Class III RCP 41.06 7.14 1.06 215.45 215.00 215.00
V . RM ~a9, ~ ~ 2 :T. 25 L0 E 9.27 4 8~6 / 0.65 8 inch HDPE 144.99 2.31 3.10 244.50 240.00 247.50
. AD .4 E 9.77 \ 7 ~ S F / ' G Y1237 YI230 0.4 0.54 7.14 1.54 2.2 t0 i FFE 9.8 ~ Y1230 CB 212 0.38 0.74 7.08 1.99 4.2 12 i i ( ) YI 228 YI 223 0.45 0.35 7.72 1.14 1.15 8 i Y1225 Y1224 0.42 D.02 7.22 0.06 0.07 81 r••~- Y1224 Yi 223 0.36 0.27 7.04 0.88 0.76 8 i YI 723 CB 219 0.39 0.52 6.98 1.41 3.28 12 i 16. CB 222 CB 221 0.8 0.33 7.?2 1.43 1.44 15 i CB Y21 CB 219 0.5 0.31 7.2 1.12 2.55 15 i 2.2 10 inch HDPE 102.09 3.56 2.25 239.80 237.50 243.00 4.2 12 inch HDPE 113.64 6.27 2.64 237.20 234.20 241.00
. R.. 1.15 8 inch HDPE 111.06 1.78 2.16 255.50 253.10 258.50 j 0.07 8 inch HDPE 105,5 1.27 0.95 255.40 254,40 258.40
• . 0.76 8 inch HDPE 101.43 1.36 1.08 254,20 253.10 257.40
~ • . N U ~ g e~ 0 OF~ND ~ o \ 2 ts. 3.28 12 inch HDPE 105.31 5.95 2.37 252.70 250.20 255.90 1.44 15 inch Class III RCP 22.5 7.46 1.33 251.50 251.20 255.83
. A 2.55 15 inch Class III RCP 113.24 6.22 0.93 251.00 249.95 255.83
. ~ G l/ P~OT 12 Z - / FF P 45. ~ CB 220 CB 219 0.0 0.25 7.22 1.OB 1.11 15 FF 4 . ~ CB 219 CB 218 0.85 0.?2 8.92 0.98 7.78 18 t QF CB 218 CB 217 0.5 0.7 8.l8 241 10.13 18 i RM CB 217 CB 215 0.5 0.88 8.84 228 12.37 18 i MENT~"'~ cez~e csz~s o.e o.u ~.u +.ee t.BB ~s~ GPAD 241.1 CB 215 CB 213 0.7 0.28 8.82 1.34 15.45 18 i 1.11 15 inch Class HI RCP 22.5 10.1 2.44 250.50 249.95 254.79 7.76 18 inch Class III RCP 96.54 16.21 2.38 249.70 247.40 254.79
• ~ ? 3 10.15 18 inch Clans III RCP 83.5 10.9 1.08 247.20 246.30 251.49
. T8 FI~~~ L 23 i 12.37 18 inch Class III RCP 58.38 16.84 2.57 246.00 244.50 251.45 1.88 15 inch Class NI RCP 22.5 12.13 0.89 245.00 244.80 248.85
, • . . . . . . . . . . . . . . . F.Z1~ SF E P 12 4 15.45 18 inch Claw III RCP 185.92 18.23 3.01 244.20 239.20 248.85
. . ` . S SF FFE - .07 F 1J C8214 C8213 0.59 0.27 7.?2 1.15 1.16 15i - . CB 213 CB 212 0.48 0.42 8.78 1.37 17.81 24 i 1.16 15 inch Class 11 RCP 22.5 6.81 1.11 239.70 239.45 243.79 17.81 24 inch Class IN RCP 177.02 39.87 3.11 238.70 233.20 243.78
. T s,~ ~ ,161 ~ ~ 99 CB 212 CB 207 0.48 0.45 8.75 1.39 23.08 24 i 23.08 24 inch Class III RCP 93.61 33.07 2.14 233.00 231.00 238.31 2.49 15 inch Class III RCP 22.5 6.09 0.89 244.10 243.90 249.13
• ME D / 42 31• F 1.42 ` ` ~ / STA. 2 p P 1. 7. 5. R ~ 4+48.61 a ~ ~ f~ F~ 1.77 O 4 TO~ ~ ' ( 42 CB 211 CB 210 0.8 0.57 7.?2 247 2.49 15 i ~ ~ ~ C9 210 CB 208 0.47 0.3 7.2 1.02 3.31 15 i 3.51 15 inch Class III RCP 145.41 16.42 6.46 243.70 234.30 249.13
pit ~ FE 7 ; . 7 F • , ~?I 3+ 7~ 23~. ~ ~ I ~ CB 209 CB Z09 0.53 0.25 7.22 0.86 0.88 13 f ' N CB 209 C8207 O.S3 0.23 7.18 0.87 5.32 1Si 0.96 15 inch Class III RCP 22.5 6.09 0.89 234.50 234.30 238.98 5.32 15 inch Class IV RCP 49.05 14.14 4.79 234.10 231.75 238.98
• • • CB 207 CB 208 0.48 0.27 8.7 0.83 2a.6 30 i 28.8 30 inch Class IV RCP 22.5 66.98 2.67 230.50 229.90 235.41
• . • . s T ~ O CB 208 CB 20d 0.6 0.44 8.7 t.T7 30.58 30 f CB 205 CB Z01 0.7 0.1 8.89 0.47 30.98 30 i 30.56 30 inch Class III RCP 50.65 48.22 1.38 229.70 229.00 235.41 30.96 30 inch Clans 01 RCP 98.83 47.52 1.34 228,80 227.50 234.44
x CB 2W C8 203 0.8 0.1 8.85 0.40 31.22 3D i 31.22 30 inch Class III RCP 22.5 38.67 0.89 227.30 227.10 232.78
228. ~ ~ M ~ . LE WIDTH 4, 6 0~ W DE CB 2Gi JB 202 0.59 0.12 0.81 0.47 31.E8 30 f 202 FES 201 WA WA 8.81 WA 24.93 30 i 31.65 30 inch Class III RCP 68.75 31.28 0.58 226.90 225.50 232.78 24.93 30 inch Class III RCP 19.81 116.56 8.08 226.60 225.00 230.50
N W 9 202 MOUE 200 WA WA WA WA 5.83 12 i 5.83 12 inch Class III RCP 85.04 0.06 2.50 224.80 224.00 224.00
N E .7 - ~ a. ~ . 30 E E D f ~ 4 ~ ~ 2 a52 Y1124 YI 123 0.3 0.21 7.42 0.45 0.46 8 YI723 YI122 0.3 0.18 7.7~ 0.31 0.8 8 YI 122 CB 121 0.3 0.17 7.OS 0.38 1.13 E i CB 121 CB 119 0.42 0.2 8.97 0.59 '4.86 15i 0.46 8 inch HDPE 142.67 2.4 3.36 268.50 261.70 269.50
~ ~ 27 . b 7 ~ 2 2j 5.00 L Z 0.8 8 inch HDPE 129.91 1.92 2.16 281.50 258.70 264.50 1.15 8 inch HDPE 119.49 208 2.53 258.50 255.48 281.50
• ? . ~ F Z ? 8. • 18 ' 2 ! -Q~ L 2 .03 ~~'S~T 07 ,f ~0 "i ~ 8 r ' 4.68 15 inch pass IV RCP 89.36 4.58 0.50 254.90 254.45 258.79
' s . ~ ^c~ 6,7 SF P ~ WIDTH te.ee ~3 e~sa r~. ce,so ce ~,e o.s o.rs ~.u ,.os ,.oe ,s~ CB 110 CB t0E 0.52 0.11 6.9 0.39 8.07 18 i 1.09 15 Inch Class IV RCP 22.5 5.93 0.89 254.65 254.45 258.00 6.07 18 inch Class IV RCP 48.98 8.22 0.81 254.20 253.90 258.00
Z ~ o . ? 8 N ~2 \ \ ~ F _ S'F' ~ FFEi 9 SF M ce »s ce »z o.es o.a~ ~.aa ~.a~ ~.e~ psi 1.84 15 inch Class III RCP 100.58 4.99 0.60 258.70 258.10 262.75
~ ~ • ~~e CB 112 CB 709 0.83 0.03 7.13 0.18 2 15 i p ~ ~ jj CB 111 C8110 0.10 0.72 7.22 255 2.57 15 i 2 15 inch Class III RCP 22.52 5.27 0.67 257.90 257.75 264.70 2.57 15 inch Class III RCP 83.5 8.04 1,02 252.20 260.80 266.26
a ~ P .40 . ~ ? .57 W ~ F .308 S~ 5 F ~ F • ~ 6 .7~ FFF 6' ~ CB 110 08109 0.47 0.59 7.18 1.79 4.35 15 i 4.35 15 inch Clew III RCP 45 13.04 4.08 260.40 257,75 268.28
i~t, • PA ~ , \ - 5,768 ~ F I F 08109 CB10B 0.58 0.17 7.71 O.BB 8.97 18 CB 108 CB 107 0.48 0.22 7.08 0.75 7.68 18 i 6.97 18 inch Class III RCP 82.54 8.18 0.61 257.50 257.00 264.70 7,68 18 inch One III RCP 88.23 7.91 0.57 256.80 256.30 262.64
H E - 7 ' > X31 CB 107 CB 106 0.58 0.26 7 1.06 8.68 t8i 8.68 18 inch Class III RCP 84.25 16.97 2.61 256.10 253.90 260.43 15.29 24 inch Class III RCP 22.5 21.33 0.89 253.40 253.20 258.25
I ~Q S • Ir . . ~ PA .4 CB 106 CB 105 0.5 0.21 8.87 0.72 15.29 24 ~ ~ CB 105 CB 104 0.65 0.12 8.88 0.54 15.8 24 C8 104 CB 103 0.69 0.09 6.83 0.12 16.77 24 23() CB 103 JB 102 0.65 0.19 8.82 0.84 17 24 CB 81 (LBG) CB 121 0.5 0.2 6.88 0.70 2.96 15 CB 80 (LBG CB Bt (lBG) 0.5 0.19 7.09 0.97 229 15 CB 70 (LBO) C8 BO (LBG) 0.45 0,3 7.2 0.97 1.63 15 CB 70 (L8G C8 79 LBG 0.5 0.18 7.22 WA 0.65 15 102 FES 101 WA WA 6.16 WA 13.94 24 JB 102 NOllf 100 WA WA WA WA 2.92 10 Notes: 15.8 24 inch Class III RCP 49.51 17.61 0.61 253.00 252.70 258.25
a . FE 11.57 ~ w,, 16.17 24 inch Class III RCP 22.5 21.33 0.89 252.50 252.30 257.18 17 24 inch Class III RCP 120.04 15.99 0.50 252.20 251.60 257.18
• , AIL ~i AIL ~ T • 2.96 15 inch Class III RCP 65.11 14.76 5.22 258.50 255.10 261.56
N • • • • • . • • • • • • • 2.29 15 inch Class III RCP 233.46 13.13 4.13 268.25 258.60 273.19 1.63 15 inch Cins III RCP 250.01 13.33 4.26 279.00 268.35 283.69
N F • • r~w~~ 4 225 ~ r ~ - 0.65 15 inch Class III RCP 34.5 13.69 4.49 280.65 279.10 283.89
. . 13.94 24 inch Class III RCP 32.13 56.44 6.22 252.00 250.00 256.50 212 10 inch DIP 44.44 214 1,81 250.80 250.00 250.00
. 7 '7 .
1 j • I• ~ ` denotes double CB
o . • • i • 1. • ~ YI rim is top of grate ~ ~ CB rim is do
1 ,
0 c ~t ~Ic / . • . ~ • • . ~ \ ~1. aIP=RAP . . ~ . °o°00000000040
C . . . . . . . . . . . . • . . . • . r•,,,..~r a • C A Q °00
~ , ~ VARIABLE WIDTH TO ~ r- ~ ~ ~ ~ ~ ~ ~OO OO ~ 0 o e~ e000 o 0eoooooo eo a Oppo o t1~o o
• . t~ •~OF WENDELL STORM C~,; J 96.2 ~ . • ~ ~ WETIANa \ D G EMENT ! 1 0 O O oee Q~O
` • • • . f • \ \ L ~ O e°~ o ° a O ae 0 o S AL e m
. 1 I • \ • ~ ~ ~ ~c ' ~ fir. fir. ~c ~ ~ / ~ ~ ~ ~ ~ , ~ - ~ e 1 9 0°
. ~ • • O \ ~•o ~ ° •°o e ~ o ev e °0 N(~ NEC' 0000 e°o eo
y . / ' C ' • . BO o,, ~~o o~e,/oooe ~G, po O°o0 I 1 L 0
,y ~ ~ ry \ °°°00000 0
E ~It ~It ~It ~ ilc c alc 1 a
C ~ • ~ ~ - G RAP , I S L 0 25 50 100
• • / • _
2 ~ ~ _ 230. \ ~ 1 inch - 50 ft.
I i
~ No. Revision Date B Designer Scale
1 AS PER DWQ 7 27 07 KW KAP 1' ~ 50'
Drawn By Date CO WENDELL FALLS TORM DRAIN) !AV P-m- N E L Sheet No.
WEC 05 25 07 ~ Checked By Job No. NAGE & GRADING PLAN SF'l WITHERS RA ENGINEERS 1 PLANNERS I SUN SURVEYORS 2•O
Wake County North C 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 9194 fax: [phone] www.withersravenel.com j
w&R 205261.04 Wendell Y

i
i
- GENERAL NOTES
/r ~ 1. ALL CONSfRUCiION SHALL BE IN ACCORU4NCE WRH CI1Y OF W STANOIARD SPEGFlCATIONS AWD RALEI6F1 STANDiARDS /WD SPECI WATER. ITY OF WENDELL AN010R NCDOT
VD SPECIFICATIONS FOR SEINER AND
2. BOUNDARY AND TOPOGRAPHIC INFORMATION PROVIDED BY WffHE 3. THE IMERSECTION OF RIGHTS-OF-WAY SHNl BE ROUNDED WIT j UNLESS OTHERWISE SPEGFlED ON THE PUWS. BY WITHERS & RAVENEL, INC.
O ~ ~ / . 'NDED WITH A RADIUS OF 20 FEET
~ 4. THE CONTfL4CTOR SFWLL CIFAR ANO GRADE AS NECESSARY TO SARY TO PROVIDE 15' x 350' SIGHT
DISTANCE TRWVGLES AND ALL INTERWAL SUBDMSION STREET IN 5. OPEN SPACE WITHIN 1HE DEVELOPMENT SFUILL BE MAINTAINED l HOMEOWNERS ASSOCIATION. TREE? INTERSECTIONS.
STAINED BY THE OWNER AN010R
S/8 3 S.3'/ r' / 'J 6. NO PORTION OF SF-1 IS IN THE 100 YEAR FLOODPLAIN PER Fl ~ ~ QA1ED MARCH 2. 2006. IN PER FIRM MAP 3720177300J,
~ ~ i
_ .,-f _ - ~ i
r
f
I ~ IMPERVIOUS SURFACE CALCUL I LCULATIONS
SF-1
STREETS = 181,184 SO FT 72,050 SO FT
~ ?":v . T ~--z. -1 ~ , ~WENDELL~,STORM I ~ . D NAGS , ~M~N . ~ : ~ . ~ ~ ~ SIDEWALKS 48,005 SO FT
~ ~ 50.00' cP• ` ~ ~ ~ ~ HOMES 156,317 SO FT
l PATIOS 0 SO FT
~'"C~p • ` ~ ~ ~ TOTAL IMPERVIOUS SURFACE _ - 457,556 SO FT
~ -
~ 0~ . ~ • ~ / ~ ~ % IMPERVIOUS = 457,556 / (43560 X 25.32) _ i.32 ) = 41.5%
T I ~
~ I LOT . i P .a~ + T 5 3 ' L~88 , P 9 P s . LOT 61 ~ T 62 ' ,
~ j ~ ~ 97 P 8 ~ ( S , ~ .97 .4 x.97 1 • ~ S ~ f T 63 P I ~ ~ 4 t . i .a T . ~ 4 53 ~ ~ ! J ~ ~ ~ STORM DRAINAGE SUMMARY
upstream
~ ' ~ ~ ~ S ~ ~ I . ~ T I ~Q FFE . y 8 15 GF .97 ' ~1 1 ~ ~ $ -y EE 2 ~ ~ FF 69 47 ~ ~ E ~ 269. ~ ~ / Upflnsm Oownln~m Aroa InEenally Qlocai Gtotd Invert Downstream Top of al Lenoth Capadty Bevation Invert iCurbfF;lm
S ~ ~ Node noa. ~Ms~ c perey n~+tl t~+? 1~+1 &I:e rs) size Malerlal I114 ON slope t%1 t1q Movation (ft) Bev. (tq
1 3, Q ~ ~ F n 3oa vi saa o.ai o.ss ~sz ~.ze ~.a a ~ra yQ YI 343 YI 312 0.32 0.47 7.05 t.06 2.34 10 ine 1 ~I Y1342 Y1341 0.32 0.28 6.91 0.57 2.88 72 inc ~ VI 341 CB 340 0.32 0.23 8.79 0,50 3.33 12 loc CB 340 CB 319 0.9 0.05 B.BB 0.30 3.59 15 ine / CP~~ YI338 YI335 0.3 0.30 7.22 0.82 0.83 Smc YI 335 C8 330 0.3 0.48 7.13 0.98 7.81 t0 ine CB 394 CB 333 0.8 0.18 7.72 0.69 0.7 75 inc ~ ~ ~ CB 333 CB 332 0.7 0.2 7.79 1.01 1.71 15 inc \ \ P CB 332 CB 330 0.4 0.4 7. U 1.11 2.83 15 ine _ CB 331 CB 330 0.55 0.37 7.22 1A7 1.48 15 loc + / ~ ~ - ry CB 330 CB 307 0.5 0.39 7.04 1.37 7.43 18 inc / ~ CB 328 CB 327 0.72 0.12 7.22 0.82 0.83 15 ine / - / CB 327 CB 326 0.6 0.35 7.2 1.51 2.15 15 ine ~fj CB 328 CB 325 0.8 0.35 7.09 7.49 3.81 15 loc J ~ CB 32S CB 323 0.6 0.35 6.98 1.47 5,04 15inc .3 8 inch HDPE 237.03 1.42 1.18 267.30 264.50 269.30 34 10 inch HOPE 200 2.25 0.90 264.30 262.50 267.00
\ 1512. - ~ ~ ~ 88 12 inch HDPE 201.84 4.12 1.14 262.30 260.00 265.00
33 12 inch HDPE 204.4 3.47 0.81 259.80 258.15 263.00 59 15 inch Class 111 RCP 75.89 10.87 2.83 257.90 255.75 266.56
1Y$8~ 0~ W`` 83 8 inch HOPE 114.21 1.34 1.05 232.20 231.00 235.20
\ M 26 81 10 inch HDPE 137.37 3 1.60 230.80 228.60 234.00 .7 15 inch Class III RCP 26.41 5.62 0.76 230.50 230.30 234.58
71 15 inch Class III RCP 58.82 5.33 0.68 230.10 229.70 234.44
\ Ali ~ \ 65 15 inch Class III RCP 151.36 6.43 0.99 229.50 228.00 233.85 46 15 inch Class III RCP 22.5 9.9 0.89 228.20 228.00 232.31
a 43 18 inch Class III RCP 100.77 13.84 1.74 227.75 226.00 232.38
sr~: T z ~s l 63 15 inch Class III RCP 22.5 6.09 0.89 262.70 262.50 286.76 15 15 inch Gass III RCP 149.87 5.53 0.73 262.30 261.20 266.76
00 l / 1 L 5 r^- ~1 ~ 0 ~ ~ 1\ r~.~ ~`J°' 1~ ' PA 270 ~~0. 1 ~ 8 61 15 inch Cleiss III RCP 151.02 5.99 0.86 261.00 259.70 265.26
~a~e ~ ~f 1 aai FF i~ ' ~faaia ~ 2 F CB 324 CB 323 0.8 0.23 7.Y2 1.00 1 15 ine 04 15 inch Class 111 RCP 149.35 6.36 0.97 259.50 258.05 263.74 1 15 inch Class III RCP 22.5 5.27 0.67 258.20 258.05 262.26
O J L -263. ~ i + D-263. pA~~ ~ P _i ! ~ MH i 2 ~ ~ s ~ e' ~ 11 CB 323 CB 321 0.6 0.35 6, 9 1.45 7.4 18 inc .4 18 inch Class III RCP 137.22 9.4 0.80 257.80 256.70 262.26
9 ~ ~ ~~1 f ~ CB 322 CB 321 0.6 0.19 7.22 0.82 O.B3 15 inc r ~ CB 321 CB 320 0.65 0.45 B.82 1.88 10.11 18 inc 63 15 inch Class III RCP 22.5 12.13 0.89 257.00 256.80 261.03 i.11 18 inch Class III RCP 59.64 9.62 0.84 256.50 256.00 261.03
6 ~ 7~~ r Q ~l C8 320 CB 379 0.78 0.08 6.79 0.32 10.39 24 ire i.39 24 inch Class 111 RCP 45.96 18.27 0.65 255.50 255.20 261.59
+ E - ~ CB 319 CB 318 0.5 0.31 6.83 1.03 t4.73 24 ine / ` CB 318 CB 317 0.05 0.17 8.82 0.08 14.78 24 inc ,.75 24 inch Class III RCP 38.5 28.24 1.56 255.00 254.40 264.83 ,.78 24 inch Class III RCP 47.73 38.74 2.93 254.20 252.80 264.54
I ' ' . ~ ~ 5F st CB 317 CB 316 0.68 0.05 6.8 0.22 14.98 24 in CB 819 CB 315 0.84 0.47 8.57 1.98 18.9 24 in / j ' CB 31S CB 312 0.19 0.07 B.57 0.23 17.11 24in / + CB 314 CB 313 0.~8 0.81 7.2Z Y.88 2.71 15 in ~ ' ~ CB 313 CB 312 0.72 0.12 7.2 0.82 3.33 15 in ~ CB 312 CB 310 0.55 0.42 8.53 0.79 20.81 24 in 1 ~ CB 310 C8 308 0.6 0.28 8. S 1.01 22.92 24 in + CB 317 CB 310 0.81 0.49 7.?2 1.28 1-28 15f ~ CB 308 CB 3Q~ 0.61 0.26 6.48 1.02 23.EJ 24 in -1.~I~~ CB 307 CB 308 0.5 0.31 8.48 1.00 31.41 30 in CB 306 CB 305 0.7 0.09 6.45 0.11 30 in ,98 24 inch Class III RCP 101.32 38.92 2.98 252.60 249.60 281.73
_ W o - - 3.9 24 inch Class III RCP 22.5 39.9 3.11 249.40 248.70 258.20 1.11 24 inch Class III RCP 135.7 41.65 3.39 248.50 243.90 256.20
W - .~e 71 15 inch Class III RCP 43.1 14.59 5.10 248.00 245.80 252.30
~ ~ p ss. ,33 15 inch Class III RCP 22.5 14.6 5.11 245.60 244.45 250.65 1.84 24 inch Class III RCP 148.41 49.13 4.72 243.70 238.70 250.85
E !.92 24 inch Class 111 RCP 164.62 49.24 4.74 238.50 228.70 242.36
W ~ ~ F ~z o ' ~h A J ~ 6 F `O~ .67 ~ , FEr~ 8 ( 26 ~ \ ~ t .29 15 inch Class 111 RCP 22.5 11.79 3.33 238.00 237.25 242.36 1.83 24 inch Class III RCP 47.73 56.71 6.29 228.50 225.50 233.57
.81 30 inch Class 81 RCP 22.5 77.34 3.56 225.00 224.20 731.26
LO ~z~ 'niA~~~e`F! ~ A 1 1 C W1~1TL1 \~1 \ A ¦ O 32 30 inch Class III RCP 54.97 114.71 7.82 224.00 219.70 231.28 1 w. - - - wow M"k w ~A! A A M-9 AAA AAA M MA AA
~ ! \ CB 303 GB7R7 0.71 v.i7 t3.va o.oa u.aa wm \ CB 3W CB 303 0.63 0.88 7,22 3.10 3.12 13 in ' CB 303 JB 302 0.8 0.4b 8.44 1.76 37.tt 38 in ~20 TOWN OF 100 3u incn tatisss ei Kor u.0 lv;p.v Olaf 411v. W A i o.w .12 15 inch Class 01 RCP 108.29 4.65 0.52 219.45 218.90 221.71
A: ~O \ I I NAG E 92 T 2 GE ..r 1.11 36 inch Class III RCP 259.41 43.43 0.42 217.50 216.40 228.28
VA T P .i ~ ~ J8 302 FES 301 WA WA 8.31 WA 29.75 30 in WENDELL STORM ~s~az aour~oo wn wn wn wn e.~ ~sin bRAINAGE EASEMENT YI232 YI231 0.3 0.3 7.Z2 0.83 0.65 8inc I YI 231 YI 230 0.4 0.54 7.14 1.54 2.2 70 in YI 230 CB 212 0.38 0.74 7.09 1.89 4.2 12 in Y1228 YI 223 0.45 0.35 7.22 1-14 1.15 8 ine YI 225 YI 224 0.12 O.d2 T.22 0.06 0.07 8 au YI224 Y1223 0.38 0.27 7.04 0.68 0.78 8inc • ~ o ~ YI 223 CB 2t9 0.39 0.52 6.98 1.11 3.28 12 in ~ CB 222 CB 221 0.8 0.~ 7.?2 1.13 1.14 15 in / ~ CB 221 CB 219 0.5 0.31 7.2 1.12 2.SS 15 in I CB 220 CB 219 O.d 0.25 7.22 1•~ 1.11 15In ( ~ ~ \ CB 2t9 CB 218 0.65 0.22 8.92 0.99 7.76 18 in CB 218 CB 217 0.5 0.7 8.80 2.~1 10.15 10 in CB 217 C8 213 0.5 0.88 8.81 218 1237 18 in CB 216 CB 275 0.0 0.13 7.22 1.E6 1.88 15 in CB 215 C8 213 0.7 0.28 8.82 1.31 15.45 18 in CB 214 C8 213 0.58 0.27 7.22 1.15 1.18 15 in CB 213 CB 212 0.48 0.42 8.78 1.37 17.81 24 in CB 212 C8 207 0.46 0.45 6.73 7.39 23.08 24 in ~ CB 211 ~ C8 210 0.8 0.57 7.22 247 2.49 15 in CB 210 C8 209 OA7 0, 3 7.2 1.02 3.51 15 in CB 209 CB 209 0.53 0.25 7.22 0.96 0.88 15 in I CB 208 C8 207 0.53 0.23 7. f8 0.87 5.32 15 in CB 207 CB 109 0.46 0.27 6.7 O.B3 28.8 30 in C8 Z08 CB ZOS 0.6 0.44 67 7.77 30.58 30In ~ ~ C8 2~ CB Z04 0.7 0.1 8.88 0.47 30.98 30 in CB 204 CB 203 O.d 0.1 8.85 0.10 31.71 30 in I I CB 203 .IB 202 0.'~ 0.12 6.84 0.47 37.85 ~0 in Z02 FES 201 WA WA 8.61 WA 2,.93 30 in JB 202 t10UT 200 WA WA WA WA 5.63 12 in I 1 YI 124 YI 123 0.3 0.21 7,Z2 OAS 0.46 8 inc / I YI123 YI122 0.3 0.18 7.1~ 0.31 0.8 Bine Y1122 CB 121 0.3 0.17 7.06 0.38 1.16 8 ine ~ ~ 1 CB 121 CB 119 0.42 0.2 8.97 0.59 4.68 15 in I 1 CB 120 CB 119 0.6 0.25 7.?2 1.08 1.09 75 in r CB 119 CB 106 0.82 0.11 6.9 0.39 8.07 18 in . - " C8113 C6112 0.85 0.39 7.22 1.83 1.84 t5fn I + " ` ~ ~ ~ CB 112 CB 109 0.03 0.03 7.13 0.18 2 15 in 1 CB 111 CB 110 0.4i 0.72 7.22 265 2.6T 191s ~ j CB 110 CB 109 0.47 0.53 7.18 7.79 4.35 15 in CB 109 C6 10B 0.56 0.17 7.11 0.68 8.97 18 in 20~TOWN OF CB 108 C8 /07 0.48 0.22 7.08 0.75 7.68 181 WENDELL STORM ce ~o~ ce ~aa o.se o.zs ~ ,.os 8.88 ~a 1.15 30 inch Class 111 RCP 35.42 72.28 3.11 217.10 216.00 223.50 .64 15 inch Class III RCP 41.06 7.14 1.06 215.45 215.00 215.00
T55. ~ 6 ~ I FE ~ LE U~ T W ~ r-
F 9 F ~t w ~ .65 8 inch HDPE 144.99 2.31 3.10 244.50 240.00 247.50 !.2 10 inch HOPE 102.09 3.56 2.25 239.80 237.50 243.00
~ ~ M r i l ~ s. 1.2 12 inch HDPE 113.64 6.27 2.64 237.20 234.20 241.00
LOT 101 ` J .15 8 inch HDPE 111.06 1.78 2.16 255.50 253.10 258.50 .07 8 inch HDPE 105.5 127 0.95 255,40 254.40 258.40
~.-~Z 45. FF ~7. ~ l G 17 9~t+ ~ ld P 2.6 ~ FF3 S 2 /1 $ { . 1 \ sF82 67 L M .76 8 inch HDPE 101.43 1.36 1.08 254,20 253.10 257.40
F ~3 \ ~ o' I I ~ F . .28 12 inch HDPE 105.31 5.95 2.37 252.70 250.20 255.90 .44 15 inch Class III RCP 22.5 7.46 1.33 251.50 251.20 255.83
~ ~ N z s 8 8 s ~ 3.~ ~ ~ 1 j .55 15 inch Class III RCP 113.24 6.22 0.93 251.00 249,95 255.83 .11 15 inch Class 01 RCP 22.5 10.1 2.44 250.50 249.95 254.79
j FE43 T \ \ ~ I S T ~ rI .76 18 inch One III RCP 96.54 16.21 238 249.70 247.40 254.79
30 S ~ ~ ` ~ ~'g ~ ~ ~ ~ / ~ / G LO se:ii ` ~ ~ ~ ~ 6. 17 ~F ~ ).15 18 inch Class III RCP 83.5 10.9 1.08 247.20 246.30 251.49 L37 18 inch Class 111 RCP 58.38 16.84 2.57 248.00 244.50 251.45
~1` N 24. ~ Z R C~0 Q g , .68 15 inch Class III RCP 22.5 12.13 0.89 245.00 244.80 248.85
~'31~w H ZV ~ Z+~ ~ ` 6.08 ~ ~ ~ ' i.45 18 inch Class III RCP 165.92 18.23 3.01 244.20 239.20 248.55 .16 15 inch Class III RCP 22.5 6.81 1.11 239.70 239.45 243.79
a L 257. ~ ~ ~ ~ _ Q 7.27 ~ P.81 24 inch Class III RCP 177.02 39.87 3.11 238.70 233.20 243.78
MH ~ +a~.~bN 6 SF ~ ~ sr 1.08 24 inch Class III RCP 93.61 33.07 2,14 233.00 231.00 238.31 .49 15 inch Class III RCP 22.5 ~ 6.09 0.89 244.10 243.90 249.13
P -z ~ ~ 1 ~ ~ 3s.f3 6' F / P _ ~ ~ 75 F ' ' .51 15 inch Class III RCP 145.41 16,42 6.46 243.70 234.30 249.13
a ~ j, .96 15 inch Class III RCP 22.5 6.09 0,89 234.50 234.30 238.98 .32 15 inch Class IV RCP 49.05 14.14 4.79 234.10 231.75 238.98
sr ~e+n ~ 1 r 6.8 30 inch Gass IV RCP 22.5 66.98 2.67 230.50 229.90 235.41
C Y s+ ~ L t ~s z 1 ~ sse.n / _ ~ ~ n ).56 30 Inch Class III RCP 50.65 48.22 1.38 229.70 229.00 235.41 ).96 30 inch Class 111 RCP 96.83 47.52 1.34 228,80 227.50 234.44
LOT 14 c .i~ ~ a.e f ~ '7 3+di1.9 / • F a 1.22 30 inch Class III RCP 22.5 38.67 0.89 227.30 227.10 232.78 1.65 30 Inch Class III RCP 68.75 31.28 0.58 228.90 226.50 232.78
~ 23. L ' 6 GFB7T 1 2 ~ G 7 Z ~ 9 .77 I ~ fFE 20 .27 f P~ 11' 259.2 ~ ~~Y , p R 1.93 30 inch Class 01 RCP 19.81 116.56 8.08 228.60 225.00 230.50
PAD-244. r r FF77 l a+2~. ~ ID ~ / ~ .63 12 inch Class III RCP 65.04 6.06 2.50 224,80 224.00 224.00
c .i 6. SF 1 I I 58 S ~ ~ 23 SF ~ .46 8 inch HDPE 142.67 2.4 3.36 288.50 261.70 269.50
P T G E ~ 38. 74.35 = w J/ ).8 8 inch HDPE 129.91 1.92 2.16 251.50 255.70 264.50 .15 8 inch HDPE 119.49 2.08 2.53 258.50 255.48 281.50
.68 15 inch Gass IV RCP 89.38 4.58 0.50 254.90 254.45 256.79 .09 15 inch Class IV RCP 22.5 5.93 0.89 254.65 254.45 258.00
I ~ ~ ~ ~ 9.1 STA 6 7 G 77 ~ N ~ w .07 18 inch Class IV RCP 48.98 8.22 0.61 254.20 253.90 258.00
. S / g ~ ~ v ,q~ 55 SF / ; .84 15 inch Class 111 RCP 100.58 4.99 0.60 258.70 258.10 262.75 2 15 inch Class 111 RCP 22.52 5.27 0.67 257.90 257.75 264.70
.57 15 inch Clue III RCP 83.5 8.94 1,92 25220 260.80 246.28
.35 15 inch Class III RCP 05 13.04 4.08 260.40 257.75 2M.26 .97 18 inch Close III RCP 82.54 8.18 0.61 257.50 257.00 264.70
/ ~ SF 4 ~ EM .66 18 Inch Class III RCP 88.23 7.91 0.57 256.80 256,30 262.64
~ ~ ~ \ r { CF 77j / T T• 2S. 8^ t fE - / t .68 18 inch Class III RCP 84.25 16.97 2.61 256.10 253.90 260.43 $.29 24 inch Class III RCP 22.5 21.33 0.89 253.40 253.20 258.25
a / Q 1 DRAINAGE EASEMENT ce cos ce cos o.s o.x~ s.a~ on ~s.~s sa ~ ! \ CB 105 CB 104 0.65 0.12 8.88 0.54 15.8 24 in j CB 10~ CB 103 0.69 0.09 6.83 0.12 18.17 24 in CB 103 JB 102 0.65 0.19 8.E2 0.84 17 24 in B 81 (~BG) CB 121 O.S 0.2 a.99 0.70 2.88 13 ir ~ CB 80 lBG CB Bt G) 0.5 0.19 7.09 0.87 2.29 15 in CB 791L6G) C8 80 (I.BG 0.15 0.3 7.2 0.97 1.83 15 i CB 76 LBG C8 79 LBG Q5 0.18 7.22 WA 0.85 15 i j JB 102 FES 101 WA WA 6.78 WA 13.94 24 i JB 102 tKKl~ 100 WA WA WA WA 2.92 10 i 1t~ ~ Noes: 5.8 24 inch Class III RCP 49.51 17.61 0.61 253.00 252.70 258.25
~ ~ ~ FE 7~ / T•+ 5.00 L _ 214 3 ~ 1.17 24 inch Class III RCP 22.5 21.33 0.89 252.50 252.30 257.18 17 24 inch Class It; RCP 120.04 15.99 0.50 252.20 251.60 257.18
~ . \ \ ~ • • ~ l ~ ~ ~ / 0 S OT 5 ~ / / ~ ~ f TA: f2~53 .98 15 inch Class 111 RCP 65.11 14.76 5.22 258.50 255.10 201.56 .29 15 inch Class Ill RCP 233.46 13.13 4.13 288.25 258.60 273.19
~ 1 /J / ~ l ~ FEE r i+ .63 15 inch Class III RCP 250.01 13.33 4,26 279.00 268.35 283.69
j ~ 83 ~ IAI4 1 moo ~ .65 15 inch Class III RCP 34.5 13.69 4.49 280.65 279.10 283.69 1.94 24 inch Class III RCP 32.13 56.44 8.22 252.00 250.00 256.50
` i .92 10 inch DIP 44.44 3.14 1.81 250.80 250.00 250.00
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N WEC 05L25/07 WENDELL FALLS STORM DRAIN NAGE & GRADING PLAN SF'l WITHERS &pw RAN
~ Checked By Job No. ENGINEERS 1 PLANNERS 1 SUR 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-46'. SURVEYORS 2el
w&R 205261.04 Wendell Wake County North Carolina ix: 919-467-6008 www.withersravenel.oom
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FES 201 STORM DRAINAGE PIPE TA Upst?~eam Downstream Upstroam Inlet Upstroam Inlet System Total Syst~n Full 'IPE TABLE
ull Pipe Length Slope Upstream Downstream Velocity
Structure Structure Area acres) Rational Coeficient IMensit (iNhr) Flow {cfs) Capaci (cfs) d t t ~ ~ ~i . ~ . ~ CB 212A CB 212 0.28 0.72 7.22 1.47 6.60 ' ' ~ ~ , 1 `~i' ~~i~ ~ / CB 212 CB 211 0.24 0.67 7.12 2.60 6.81 ~ ~ 1 i ~ ~ ~ ~ ~ ~i~ ~ ~ ~ ~ ~ CB 216 CB 215 0.07 0.90 7.22 0.46 6.81 ity (cfs) diameter (ft) (96) Invert (ft) Invert (ft) Out (ft/s) 60 15 inch 116.75 1.04 239.62 238.40 2.31
i ~ t t 1 f I 1 1~ / / l ~ f f ~ i ~ I f f ~ ~ ~ 1~ 1 i~ ~ ~ ~ J ' f~ ~ 11 j I 1 I 1 ~ } ~l ~ ~ ~ ~ ~ ~ 81 15 inch 22.50 1.11 238.30 238.05 2.91
j ~ ti I ~ 81 15 inch 22.50 1.11 246.68 246.43 1.23
M ~ i r ~ ~ ,,off ` / I ~ ~ / / CB 211 CB 210 0.31 0.70 7.11 4.15 6.53 . ~ / r~ ~ ~ CB 215 CB 213 0.19 0.75 7.19 1.49 9.71 53 15 inch 44.02 1.02 237.95 237.50 3.77 71 15 inch 166.36 2.26 246.33 242.57 2.36
~ ~ I ~ f / ~ ~ 1 I ~I i I ~ j 1 t / i~ ~ 1 1 / l f l / / 1 t ~ ~ t l ~ i i i , ! 1 1 ~ ~ ~ ~ , ~ 1. ~ l ~ ? + N ' ~ ' 1 ~ 1 ~~.°1~ ~ ~..~r / CB 210 CB 209 0.25 0.80 7.08 5.56 6.81 X ~ ~ 1 , ~ CB 213 CB 209 0.27 0.70 7.09 2.82 12.11 81 15 inch 22.50 1.11 237.40 237.15 4.69
~ h' .11 15 inch 151.33 3.52 242.47 237.15 2.38
I J 1 / i ~ ~ f f ~ ~ , r 1 ~ ~ f 1 1 1 r,`~ ' 4 i ~ / CB 209 CB 207 0.24 0.65 7.02 9.41 9.78 ~ A` 1 ` ~ ~ ~ CB 207 CB 206 0.19 0.70 6.95 10.25 16.12 78 18 inch 125.85 0.87 236.80 235.71 5.57 x.12 18 inch 171.46 2.36 235.61 231.57 5.80
`'v-~'I W ~ ~ ~ ~l 4 ~ 1 ' % CB 206 CB 205 0.20 0.80 6.88 11.26 11.07 .07 18 inch 22.50 1.11 231.47 231.22 7.14
1 ~ I ~ ~ ( ~ ~ ` ~ CB 205 01204 0.27 0.85 6.87 12.83 22.51 '.51 24 inch 30.31 0.99 230.72 230.42 4.80
DI 204 CB 203 0.78 0.40 6.86 14.96 22.74 CB 203 CB 202 0.67 0.45 6.84 17.01 22.78 .74 24 inch 29.68 1.01 230.32 230.02 5.06 .78 24 inch 34.50 1.01 229.92 229.57 5.46
~ ~ 11 ( ~ ~l/ f ~~j t1 `1~ ~ ~ l f 1 ~ ~ '.39 24 inch 64.41 2.73 229.76 228.00 11.02
! I ~ 1 / / i ~ / l ~ J \ ~ / 1 ! 1 ~ ! I l 1 ~ * ~ L ~ ~ ~ CB 202 FES ~1 0.16 0.85 6.83 17.91 37.39 ! ~ l 1! ~ ~ 1 I ~ ~I r
~ 1 f ! ~ r / 1 llf / 1 I / j i FES 217 STORM DRAINAGE PIPE TA ~ ~ / j j f r ~ .J ~ aa~ 1_ Upstream Downstream Upstream Inlet Upstre~n Inlet System Total System Full 1IPE TABLE
, / ~ / / I f '4`/ , Structure Structure Area (acres} Rational Coefficient Intensity (iNh~) Flow (cfs) Capacity (cfs) ~ ~~j~ / CB 280 CB 279 0.41 0.60 7.22 1.79 6.55 ~ ~ / ~ ~ ~ ~ / CB 278 CB 277 0.46 0.51 7.22 1.71 6.55 ull Pipe Length Slope Upstream Downstream Velocity ,ity (cfs) diameter (ft) Invert (ft) Invert (ft) Out (ft/s)
,55 15 inch 53.50 1.03 266.73 266.18 2.74
~ l i ~ 1 r ~ / / / J/ f .55 15 inch 53.49 1.03 258.64 258.09 1.48 1.17 15 inch 177.78 4.16 266.08 258.69 8.28
~ N / / ' ~ r ( 1. CB 279 CB 277 0.14 0.74 7.18 2.53 13.17 ~ / / / / / ~ / ~ '/r J 1 1 y CB 277 CB 276 0.32 0.72 7.10 5.83 13.36 1.36 15 inch 199.56 4.28 257.99 249.45 4.75
~ / ~ ~ / ~ 01274 DI 273 0.87 0.44 7.22 2.15 7.87 .87 15 inch 175.09 1.48 239.80 237.20 3.53
CB 276 CB 275 0.36 0.72 7.03 7.61 10.38 1.38 15 inch 43.01 2.58 249.35 248.24 6.20 1.45 18 inch 60.98 1.64 236.85 235.85 2.93
L _ ~ r i ~ ~ ? ~ , , ,T- ice' i , , Y ~ 1 ~ ~ ~f ~i DI 273 CB 272 0.91 0.46 7.10 5.11 13.45 . J. . / • ~ ~ ' ~ ,I ~ • f . jN 111 : ~ ~ 1I I ~ CB 275 CB 272 0.47 0.56 7.01 9.45 16.53 1.53 18 inch 73.52 2.48 247.79 245.97 9.50
~ ~ , WEN`b~'L. ~ F,~~s ~ ~ ~ r r ~ ~ , I / ~ j ( ~ ~ / i -280 - _ ~ - ~ ~ ~ • I , f , ~ ~ ~ ~ 1. ' 1. 1, (1 ~ ' 2~,'..; . ~ ~ ~ ~ f. CB 272 CB 267 0.10 0.65 6.99 14.90 26.06 1.06 24 inch 121.35 1.33 235.75 234.14 5.22
t ~ , , / ~ ~ ' ~ ~ ~ , ~ r ~ i ~ ~ . ~ /j/,• 1 1 ~~1 ~ ~ CB 271 CB 270 0.35 0.76 7.22 1.95 5.27 / . ~ ~ ~ ~ ~ a'; / ! h f I r ~ ~ ! ~ CB 267 CB 268 0.11 0.83 6.93 15.42 21.88 ~2~ ' ~ ~ . ^ ' : f ~ ~ 11t 1 ' ~ DI 235 DI 234 0.48 0.42 7.22 1.47 5.57 .27 15 inch 22.50 0.67 243.35 243.20 2.45 1.88 24 inch 53.46 0.94 234.04 233.54 4.91
.57 12 inch 91.36 2.08 237.75 235.85 2.49
~ / ~ ~ / , ~ j . 1'. 11 ~ y / ~ ~Ir ~ ~ ` 1 ~ CB 270 CB 269 0.28 0.77 7.20 3.50 7.85 .85 15 inch 210.15 1.48 243.10 240.00 6.21
~ ~ r 1 / ~ / ~ / 1, j , f / ~ , ~ f 1 ` ~ CB 268 CB 269 0.45 0.75 6.91 17.72 23.84 ~ ~ ~ rt ~ l . ~j'~i• t ~ 1 ) ~ ~ ~ ~ ~ ti l of z~a of 2~ o.a2 o.ao ~.~s Z.s~ s.~a 1.84 24 inch 22.50 1.11 233.44 233.19 5.65 .14 12 inch 102.88 2.53 235.75 233.15 3.44
~ ~ ~s ~ ~ F. ~ J . % E 1. ~ ~ 1 ~l 1 l ~ ~~y CB 269 CB 229A 0.34 0.79 6.90 22.92 21.88 1.88 24 inch 53.46 0,94 233.09 232.59 8.04
1 ~ ~ ~ ~ ~ i ~ ! 1 ~ ~ ~ ~ ~ ~ g~ I l 1. I ~ I• ~ ~ ~j 01233 DI 232 0.61 0.40 7.11 440 5.65 .65 12 inch 182.25 2.14 233.05 229.15 5.65
~ e.~ ~ ~ 1 ~ ' I • l ~ / ~ (~~r ~ 4 ~ ~ 11 , \ CB 229A CB 229 0.08 0.95 6.87 23.36 38.01 ~ ~ I J'I 1~ ~ ~ ~l ` X cs Zoo ce Zss o.~ o.ss x.22 1.18 8.os 3.01 30 inch 179.30 0.86 232.08 230.54 6.06 .08 15 inch 34.50 1.57 233.14 232.60 4.70
~ l / / ~ y ~ 7 t \ ~ ~ ~ ~ \ DI 232 DI 231 0.80 0.43 7.03 6.79 10.26 ).26 15 inch 148.72 2.15 228.80 225.60 8.94
i ~ \ 1 ? ~ ~ ~ / ~ t % . } . ~ \ ~ ~ \ ~ \ ~ CB 229 CB 227 0.35 0.62 6.79 25.89 31.55 1.55 30 inch 246.72 0.59 230.44 228.98 5.98
` / f ~ / / ~ I ~ ~ / ~T136. ~ / /'7/~~J°•'~2~ ~ /FAD :2~3 ~.s ~ 'Y ~ 1r ~ ~ \ ~ ~ `1 ~ ce 22e cB n~ o.~ o.ss x.22 2.~2 a.s~ .61 15 inch 41.17 0.51 230.57 230.36 4.11 3.83 24 inch 137.11 0.69 224.80 223.85 3.03
~ 'l j 1 , , ~ 11 / ~ ~ j f tl ( ~ ~ r ~ ' ~ / I ~ l / / ~ ~ ` ~ \ ~ 40T 138 / ' o / / / 58. , ~ ~ /`f ~ ~ ~ ~ DI 231 CB 225 1.05 0.38 6.97 9.53 18.83 / ~ / ;+r" / • ~`1 ~I n ' f ~ ~ ~ ~ , 1~ ~ CB 227 CB 225 0.46 0.70 6.67 29.90 51.61 1.61 30 inch 166.10 1.58 228.88 226.25 10.89
r / / / / l I ~ J ~ ~~`~.X26 ~ \ ~ ~ } f ~ / r,~ / l ~ ~ ~7~. ~ ~FF'~ ~2 9.~9 ~ - ~ -26& i FFE 258 70 J / ~ ~ CB 226 CB 225 0.34 0.75 7.22 1.86 6.49 .49 15 inch 53.50 1.01 228.10 227.56 4.56
/FF,E ~275~53 ~ ~ (G~'E 1= 69.39 ~ ~ ~ s / l ~ I ~ ~ I / ~ =27 .03 =12 81 Pqp ~ 6.22 r ~ ~FE~~265.5~' ~ ~ ~ GFE ~25l~ 20 J ~ / ~ / 4~;,»"' ~ ~ / ~ \ 1 , 1 CB 224 CB 223 0.17 0.90 7.22 1.11 6.49 ~ ~ ~ ~ • 1 ~ I S CB 225 CB 223 0.32 0.70 6.61 41.89 76.79 .49 15 inch 53.50 1.01 226.24 225.70 3.95 3.79 36 inch 175.00 1.33 223.75 221.43 6.58
=2~.8~ ' "Y 72~.~1j 1 I ~ ~ t ~ pAD X465.35" ~'3~ ~ PAD =2~8.0~~ ~ ~~1 T ~ l ~ / ~~if Y . ~Y~~ ~ ~ `1 I I J ~ ~ CB 223 DI 222 0.23 0.90 6.56 43.90 66.92 3.92 36 inch 37.75 1.01 221.33 220.95 6.68
~i . ~ . l ! r ~ 1)1 , rn 222 ce 22~ ~.3s o.a5 s.sa 48.95 ~az8 1.28 36 inch 37.75 0.66 220.85 220.60 7.56 r.18 36 inch 34.50 1.01 220.50 220.15 7.28
I ~ ~ t 1 J f t ` I ( CB CB 3098~J ~ , ~ t l ry1~ ~ ~6~ ~ ` ~~~83.~9 aj T 137 ~ /l ~ ~ i , ~ / I • ~ ~ / / 1 1 ~ I _ ~ o Z \ ~ .DI 304_ ` ~ / ~ ~ ~J ~ l ~ ~ / / ~ / ~ 1 CB 221 CB 220 0.31 0.85 6.53 48.57 67.18 1.54 36 inch 53.39 0.94 220.05 219.55 7.20
~/l ~ Ir t J j ~1 t j l1 ~ } j ~ 1 ~ I / ~9.~g ~ 1 ~ f ` • ~l • / '~1 f r ~ ~ / " l i ~ J' CB 220 CB 219 0.30 0.85 6.51 50.15 64.54 ~G 7 791 ~ / • r. l~ / F. ~ / l CB 219 CB 218 0.06 0.90 6.50 50.36 64.48 1.48 36 inch 53.50 0.93 219.45 218.95 7.17
C8 308 CB 306 ~ \ ~.g~j,~ ~ \ ~ / ! I pa~x ~ j ' I ~ / r/ ~ ~ r , t / % ! . l I ~ ~ ~ 1I ~ ~ ! 11 CB 218 FES 217 O.OS 0.90 6.48 50.50 79.80 ).80 36 inch 57.97 1.43 219.08 218.25 10.99
I ~ ~ P/iB. =256.75 ~ / 1 ~ I x~ ~ f/'. 1 f ~ ~ ~t ~ f ~ r~ FES 236 STORM ORAINA(3E PIPE TA . ~ f , / ~ ~ ( J ~ I Upstream Downstream Upstream Inld Upatroam Inlet System Total System Full PIPE tA-~L-E-
\ 1 t 1 1 oull Pipe Length Slope Upstream Downstream Velocity
1- I CB 305 ~ ~ \ CB 298 1 ` l f Z~ ~ ' ~ CB 303 ~ ` ~ CB 307 _ _ - , ! w ~ / ~ J c' / i ~ I ~ I N ~ ' Structure StNCture Ares (acres) Rational Coefficient Intensity (iNhr} Flow (cis) Capacit (cis) ; ~ ~ ~ ( CB 254 CB 253 0.12 0.90 7.22 0.79 5.62 ;ity (cfs) diameter (ft) Invert (ft) Invert (ft) Out (ft/s)
J ~ ~ • ' y ~ ~ ~ ~ ( CB 255 CB 253 0.32 0.72 7.22 1.68 7.74 ~462 15 inch 51.57 0.76 229.32 228.93 1.08 .74 15 inch 98.20 1.44 230.34 228.93 2.30
f L I z r 1 / ~ \ \ CB 00 CB 299 CB 397 ! ~ ~ l ~ ~ ~ I I ~ !N '°e~ ~ , CB 302 \ ~ \ ~ / ~ ~ ' 1 • 7 f ~ ~ r ' % 1 1 ~ ~ 1 I' ~ 1 ~ CB 252 CB 251 0.50 0.72 7.22 2.6?. 6.65 ,.65 15 inch 41.54 1.06 227.44 227.00 2.95
f r J j / . / 1 ~ . fr`'\; ~ 1~ ~ 1r~ ~ i ~I (l ~ CB 253 B 250 0. 6 0.80 7.15 3.36 0 55 ,.42 10 inch 125.21 2.08 231.50 228.90 2.24
~f3 1 ~ ~ / ~ • ~ ~ 1 ~ l ~ I } l CB 251 CB 250 0.10 0.85 7.19 3.23 6.81 ).55 15 inch 81.79 2.67 228.83 226.65 2.90 x.81 15 inch 22.50 1.11 226.90 226.65 2.79
r / / ~ \ ~ e0 ~ ~ ~ ~ ~ ~ 2j 9 3~ 1 P -X64.35 ~ ~ 11 , ~ ~ / ~ ~ ~ CB 301 ~ ~ „CB 296 ~ J25~.5 / J T~~ j Tit % / ~ 1 1~` 1 ~ . DI 244 DI 243 0.46 0.42 7.14 2.4T 3.88 ,.88 10 inch 122.86 2.67 228.80 225.52 4.72
P~ ' 87t~ I ~ 4 ~ 1 t I J 1! ~ 'f28~. 0 V +~q.~!~ ~ ' tj . ! , ~ _26,.2 , ~ ~ 4,., ~ o ! ' ~ ~ t • l • 'c / ~ ~ CB 249 CB 248 0.39 0.67 7.22 1.90 8.83 x.83 15 inch 22.50 1.87 224.09 223.67 1.57
~ ! 1r / ~ ID , f / r ` \ 11 1 \~,1 ~ CB 250 CB 248 0.15 0.65 7.11 7.23 8.67 x.67 15 inch 173.55 1.80 226.55 223.42 5.89 x.18 12 inch 61.02 1.80 225.25 224.15 7.31
26y LO 14 2~ / ~ 1 I ~ ` 1 ~ _ . ~ OT / ~ I ~ ` ~ r1 • ~ ~ ~ ~ 1 . 1 ~ \ \ ` \ DI 243 DI 242 0.53 0.45 7.08 4.15 5.18 CB 247 CB 246 0.21 0.70 7.22 1.07 7.68 .68 15 inch 53.80 1.41 223.01 222.25 0.91
~ / ~ r„ / ~ / / ~ ~ \ CB 248 CB 246 0.27 0.68 7.03 10.30 12.07 2.07 18 inch 77.24 1.32 223.32 222.30 7.67
z , ~ y . 1 ~ ~ ~ DI 242 a 241 0.47 0.50 7.05 5.80 7.18 ~ ~1' l~'~ i ~ ~ A ~ ~i~\~,1 1t~1 1'_` V w~.. n~~ cnn ~ec~ ~e~n '.18 15 inch 42.79 1.05 223.80 223.35 4.91 3n 7A lno%k 444 M n 713 13" An *In 7n K A%
J I • / GFE'"=25,99 / 4 . ~ ~ ~ 1 / / / ' ` ~+G L40 W L9V V.OL V.V7 v.aa ~d.~r ~a.cv 74 &V 6'7 if IVII 1 1 I.yV V. / ` f i go%fw ~i.V. I V v.--Vv L40 15 inch 62.49 1.44 223.25 222.35 7.60
` ~ ~ \ ~ ~ ~ ~ ~ ~ ~ _ ;r J..- I ~ / ~ / ' ` CB 280 ~ / i / / •A„ / ,y~. ~ w, PAD =255.8 I ti ~ : a , A, / ~ . ..~.r / iA•4 ' f . 1 / / /'i i i ~ y y j%f~ ~~l ~ ~ ~ a zap a 2ao 0.35 o.so ~.os x.02 e.ao i • ~ i ~i.: ~ ~ ~ a Zao ~ Zss ozs o.a~ 6.93 Z~.~o 2s.~a 8.73 24 inch 93.01 1.61 220.20 218.70 6.78
~ / ~ .:.11 o CB 295 . If 5A~ ~ ~ ~;x~±; ! ~ / / j DI 239 DI 238 0.64 0.39 6.90 22.93 24.73 4.73 24 inch 75.30 1.20 218.60 217.70 8.90
~ ~~~r ~ i~/~i ij ~ X279 C8 279, • • 87 79 I / , / . ~ ~/r,{"/~. ~ ~ ~ h : 01238 JB 237 0.47 0.38 6.87 24.06 29.59 9.59 24 inch 157.77 1.71 217.20 t:: 214.50 7.75 3.74 24 inch 36.33 1.10 214.40 214.00 8.58
1 ~ r ~ ~ ti~ ~ / / ~ t 1' i' ~~~\\;~y`' ' JB 237 FES 236 WA WA 6.81 23.87 23.74
~ C8 294A J R i ~ RIVER FES 25T STORM DRAINAGE PIPE TA PIPE TABLE
4~,8fl. - ~ / 3!76 / _ ~ r r ~ ~ / j /~j~j , ~1 ' /l % ~~l • it ~ ~ ~ RIPARIAN Upstream Downatroam Upstream Inlet Upstream Inlet System Total System Full ~ ~ ~ / ~i,~~j / • ~ BUFFER Structure Structure Area (acres) Rational Coeficient Intensity (in/hr) Flow (cfs) Capacity (cis) ~ v ~ /l~~i. / ~ . { \ \ ~ \ ~ , CB 311 CB 310 0.12 0.80 7.22 8.85 18.64 =ull Pipe Length Slope Upstream Downstream Velocity
2 / DI 286 LO,.I 5 . ,,,r. a..w,~ 1 r • erg ,,,~~!!~'~I'. • / r pity (cfs) diameter (ft) Invert (ft) Invert (ft) Out (ft/s) B.64 18 inch 120.00 3.15 279.60 275.82 5.16
l _ r• ~ ~i iii i i It l r ;.,i isJjf~ ~ ?j ! ~ i ~ ~ 1, ` 1 ~ 1 \ \ ' ~ ` CB 310 CB 309 0.20 0.59 7.18 9.70 22.57 2.57 18 inch 53.50 4.62 275.72 273.25 5.49
/ 7.28 i '~/~j ~j~/ l ; ~ ~ ~ ~ l' \ ~ ~ \ ~ ` I, \ ~ CB 309 CB 308 0.23 0.85 7.16 11.11 20.50 D.50 18 inch 49.90 3.81 273.15 271.25 6.50
4.25 r? ;~,r~ ~ / 1 I / 293 ~ n,~ l~~;~ i/y/~ I~~ j~ 7 / ~ ~ ` ~N~ ~ \ CB 308 CB 307 0.01 0.90 7.15 11.16 14.01 y~i ~h~ ~ ~ ce 30~ cs ~ o.a~ o.es ~.~a 11.59 22.a2 4.01 18 inch 22.50 1.78 271.00 270.60 6.34 2.82 18 inch 185.41 4.72 270.35 261.60 6.66
~ ~ \ \ ~ 9~~ ~ \ / ~ ~ , / 678 CB I / ~ r / ~ ~ ~lr ! i' r' ~ ~ ~i ~i l ~i / ~ 1 }I ` ~ 1 CB 306 CB 305 0.32 0.73 T.22 1.70 6.53 3.53 15 inch 22.50 1.02 262.08 261.85 1.41
\ \ i~/ i / r° ~ 2.66 r / / g , , C822 fl ~ , ~ , ~ ~ o ~ ~ ~ t \ \ ` CB 305 CB 302 0.27 0.75 7.09 14.68 22.47 2.47 18 inch 131.94 4.58 261.30 255.26 13.55
l ~ I / . G 25'f. ~ ~ t . ~1 • I ~ ~ ~ ~ yy~ 1 ~ ~ a aoa cs ~ a.~s o.sa ~.r~ o.~s 4.57 ' % %r y ` • ' ~1 ~RF~EK ~ ` ~ ~ ( ` ~ ` 1 1 CB 300 CB 1 0.30 0.66 7.22 1.44 6.81 1.57 15 inch 77.95 0.50 250.80 250.41 0.89 3.81 15 inch 22.50 1.11 252.78 252.53 4.37
i YM I. n F M ~ . ~ ~ • 1 • ~ ~ ~ t ~ ti { ~ ~ ' CB 302 CB 301 0.21 0.75 7.05 16.50 21.70 1.70 24 inch 47.80 0.92 249.66 249.22 5.66
/ / J , r / / / ~ _ r r . r f / f r., . • ~ f . „ c ~ . / . ` ~ ~ . .1--! ,,1 • , ' ~ 1 1 ~ } 1 ~ CB 301 CB 299 0.06 0.65 7.03 18.15 71.74 2.74 24 inch 49.49 1.01 249.12 248.62 5.95 3.53 15 inch 22.50 1.02 251.88 251.65 1.60
~ f / f / . • ~ . . ~ \ 1 1 11 ~ ~ CB 298 CB 297 0.15 0.75 7.22 0.82 6.53 3.84 24 inch 22.50 1.11 248.57 248.32 6.47
~~ECRE'/~T~-OI~I / ~ ce ~~8 ~ eo / . f DI 285 .r . / / ~ 5.80 / r ~ , / / . ~ / / ~ ~ ,a, • ,l ~ / • / ~ • ~ / / / ~ ~ ,.r ,~+,~I , . ~ ' 1 ' • 1~ - 1y1 ~ 1 ~ ~ ~t t ce Zss ce zss 0.33 o.sa ~.o~ ~s.~o Zs.aa • ~ ~ ~ ~ l ( l CB 297 CB 296 0.24 0.75 7.20 2.12 6.50 3.50 15 inch 152.86 1.01 251.55 250.00 4.74
~ ` CiB ~2~77 87.3 t ~ ~ ~ ~ ~ - ~ 18.84 AC: ' = ii ~ ~ <v ~ 7.13 I / ~ • . J i / ~ / l ~ .J ~ / r ~ • ~ ~ • • ~ ~ ( ~.'1.~~~i ~ ~ , ~ CB 296 CB 294 0.30 0.64 7.00 23.10 22.75 • ; ~ ~ S , 1` ` DI 287 D1286 0.32 0.44 7.22 1.02 12.44 2.75 24 inch 84.06 1.01 248.00 247.15 7.39 2.44 15 inch 40.45 3.71 247.65 246.15 2.03
6.13 ~ ~ ~ 50. / f ~ ~ / ~ ~ • • ~ ~ • • V • z ~ ~ ~ , / I pE . ~ . . . . ~ . „ CB 294 CB 292 0.13 0.50 6.96 23.48 31.03 1.03 24 inch 108.93 1.88 247.05 245.00 7.46
~ ~ / ~ ~ ~ , ~ ~,A. i>, ~ • ~ • • / / ~ ~a r' ~ , / ~ f i / ~ / ~ f CB 291 I ;~~:~r . ~ . ~ y~ ~ ~ . cs 2ss ca 2sz o.sa o.s2 x.22 z.oa ,2.a, 2.41 15 inch 22.50 3.69 247.66 246.83 7.02
~ / CB 290 ~ r . • • • • • t.p;. ,.r ~ f ~ ~ r • . • ~J. , • ~ / ~ • • ..r. / • A / , ~ / . ~ , . ~ . ~ a zes a zap o.s2 o.4s ~.zo Z.os ,o.,a L•At~DS ~ ` • •~i~~~/ % ~ ~ ~ \ ~ ~ ~ CB 266 CB 265 Q.31 0.72 7.22 1.62 15.43 0.14 15 inch 113.54 2.47 246.05 243.25 2.56 5.43 15 inch 53.46 5.71 241.68 236.63 2.95
~ ~ \ ~ _ ~ 280 ~ _ ~ ~ ~ f ~ i / ~ 8 / / / / • A, ~ / . / / ~ f ~ • • • ' • • • • • • r f ' ~ j/ ~ ~ l ~ ~ CB 292 CB 290 0.11 0.73 6.92 25.92 35.43 5.43 24 inch 108.01 2.45 244.25 241.60 8.25
~ ~ .r'. ~r ; X T''1 / r ~ •~,7t,,~~, ~ , / %i/~/ '~,0~~~ / ~ ~ / `t ~1 ~ DI 285 D1284 0.48 0.53 7.13 3.90 10.72 0.72 15 inch 116.12 2.76 243.15 239.95 8.05
I i ~ ~ ~ ~ / r / r • • • • • . • ~ / / • `......a 1 • • • / ~ • • • -cv ~ / / 1, ~ /,-i/% 1.i w cs 2ss cs zsa o.os o.ez ~.zo ~.es a.~z . f~ • j f~ ~i~ ,~p~,~'/, , ~,1 ~i ` 1 CB 290 CB 289 0.06 0.91 8.89 26.22 45.99 1.72 15 inch 22.50 0.53 238.53 238.41 3.45 5.99 24 inch 118.54 4.13 241.30 236.40 8.33
g ~ / ~ . ~ ~ ~ I. ~ ~ / / , 1 1 , DI 284 D1283 0.48 0.49 7.08 5.55 18.37 8.37 18 inch 115.05 3.06 239.62 236.10 3.88
2 4 / / .63~ 1 . ~ CB 264 CB 263 0.01 0.90 7.17 2.03 8.38 3.38 15 inch 87.25 1.68 238.31 236.84 122
~ ~t f . ' . ' ' t. ~ ~ ~ ~ ~ ~ ~ ce Zes cs zea o.o~ o.~e s.es 2s.52 r3.aa j . ~ ~ ~ % - ~ \ 1 \ DI 283 DI 282 0.50 0.51 7.03 7.32 18.67 3.84 24 inch 22.50 1.11 235.80 235.55 8.68 8.67 18 inch 53.79 3.16 236.00 234.30 9.55
~ ~ \ \ \ CB 263 CB 262 0.10 0.77 7.12 2.57 10.32 0.32 15 inch 85.37 2.55 236.74 234.56 6.98
• K~~ • ~ , . `c..y~,... ~ • • / ~ . • O ` ~ y~., a I• • • '1 1 ~ ~ ~ ~ / \ 1 \ CB 288 CB 281 0.47 0.70 6.85 28.77 32.60 2.60 24 inch 101.10 2.08 234.80 232.70 9.14
J ~ ~ f 7 • ~ ..r . I ,11.,x. C ~ A,, • • ~ , ? r,i, • ~ • . X \ ~ ~ ~ ~ ` DI 282 CB 281 0.50 0.54 7.01 9.21 16.00 \ ~ 1 ~ ; CB 262 CB 261 0.15 0.71 7.07 3.31 7.67 6.00 24 Inch 97.99 0.50 233.70 233.21 3.69 1.67 18 inch 22.50 0.53 234.21 234.09 3.14
• • ~ • ~ • J / ~ 1' 10 J • • ~ • • • ~,G ~ . ~ ~ . ~ ~ fir' \ 1 ~ ~ ~ , CB 281 CB 260 0.13 0.72 6.82 38.27 61.84 1.84 30 inch 53.22 2.27 232.10 230.89 11.85
r~ C9 ~ • . a,i • • . • , ~iyb ~ . ~ / / .r A' • t~. r / FFE 2 .7 ~ / r / n V . .~t ~ . • ~ CB 261 CB 260 0.30 0.69 7.05 4.78 17.09 7.09 18 inch 75.54 2.65 233.99 231.99 8.29
a • • i . , y F~ 43 3 ~ • A1I • r: / ~ i 24 .06 r : ~ . , • I ~ ~ ~ ~ ~ ~ CB 260 CB 259 0.38 0.60 6.81 44.38 51.97 ; ~ r ` ~ ~ , ~ \ ~ CB 259 FES Z57 0.14 0.T8 6.80 45.08 169.54 7.97 36 inch 22.50 0.76 222.33 222.16 7.13 39.54 36 inch 70.41 6.46 222.06 217.51 17.34 'I
.n Z7p ' - - ~ ~ ~ , ' / ~ / ~ C6 276 ~ / • • ~ • LOT 1 / T 9 / J / ,r' .
/ ra / Q ~ f:, ff M~ ,4 • • 1 f • • 1 ~ i~ , I ` • r DI 283 , . 53. ~ ~
~ ~ - , ~ , i ~ ~ r i i 1C~B 275 i i ~3. ~ ~ . 144 ~ii~i~i~`i~' iill~li~iiiiii~ii~ii~ii¦iii~ii~
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$ GENERAL NOTES . . 00000000 6°° e°
- _ Au. coNSrnucnoN sH~u. ee w nccoRO~wc~ w~n~ an of w~o € ~ ~ ~ ~ STAI~ARD SPEgFlCAl10NS AND RALFJGH STANDARDS AND SPEC~ICA ~ WENDEII ANO OR NCOOT SPECIFlCATIONS FOR SEVER AND
~ ~ WA1ER. _ ~
$ ' ~ 1'' 2 BOUNDARY AND TOPO(~tAAPFNC N~ORMATION PROVIDED BY IMIHERS ~ 3. 1HE INTERSEC110N OF RIGH15-OF-WAY SHALL BE ROUI~ED IMTH A WITHERS ~c RAVEN INS - - F 661 AY N WITH A RADIUS OF 20 FEET -7jO,,j C)
~ UNLESS OTHERWISE SPEgFlED ON TFIE PUWS. = FT 1 7 LKS
y ~ 4. THE CONTRACTOR SHALL CLEAR AND GRADE AS NECESSARY TO PRO Y T PROVIDE 10 x 250 SIGHT 0
~ - . DISTANCE TRIANq.ES AND ALL INTERNAL SUBDINSION STREET INTER a 5. aPEN SPACE WITHIN THE DEVELOPMENT SHALL 8E MAINTAINED BY T ~ HOMEOWNER'S ASSOgA110N. T INTERSECTIONS. - 8Y THE OWNER AND OR
GRAPHIC SCALE 60 0 30 60 120
a 6. NO PORDON OF SF-2 IS IN THE 100 YEAR FLOODPLAIN PER F1RA1 ~ 3720177300J, DATED ~IAY 2, 2006. FIRM MAPS 3720116300) and ~ _ _ o - - 4. a
o .
1 inch - 60 1`.
i
i
No. Revision Date B Designer Scale N 1 AS PER DWQ 07/27/0 7 KW DLP JEW in 60•
Drawn By Date AVF=NEL Sheet No.
~ RsM 05/25/07 WENDELL FALLS FoatTORM DRAINAC AGE AND GRADING PLAN SF~2 WITHERS RA ENGINEERS 1 PLANNERS I SUR' SURVEYORS 300
Checked By Job No. 111 MacKenan Drive Cary, North Carolina 27511 tei: 919-469-3340 fax: 919-46 ix: 919-467-6008 www.withersravenel.com
DLP KW 02050261.04 Wendell Wake County North Carolina
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i
GENERAL NOTES Level S readers VELOCITY DI Level D (cfs) Pipe Pipe Pipe Upstream Downstream Pipe Level Spreader OUTLET CLASS LENG1 Spreader (1 in rainf~l) Length (ft) Slope (96) Size (in) Invert (ft.) inae~t (ft.) Material Length (ft) NUMBER STONE (R) TY D (SS I PATE RS sn~ucn~~ sc~u~- FES m~ 201
w. cor~snzucnoH sf+nu eE iN accarua~ rangy an of w~u Iwo/oR r~cuor LENGTH WIDTH THICKNESS STRUCTURE TIC (R} MV IN 1 (R) ~S~~M INV IN 2 ( (n) fn) Cn) s~ucly~ UPSTREAM INV OUT (f t) ~
STANDARD SPEgFlCA110NS AND RALEIGH STANDARDS AND SPEgFlCA710NS FGiR SEWER AND S WAlEK 2. BOUNDARY AND TOPOGRAPFgC INfORAtATION PROVIDED BY WITFIERS ~ RAVENEL. INC. 3. THE INTERSECTION OF RIpiTS-OF-WAY SHALL 8E ROUNDED WI1H A RADIUS OF 20 FEET WIN2(1) STRUCTtARE
LS 201 2.58 76.52 1.14 10 228.87 228.00 DIP 34 FES 201 B 12 12 g•$ 22 FES 201 228.00
LS 217 7.78 115.31 1.00 18 218.00 216.85 RCP 102 FES 217 B or 1 24 24 12.6 22 CB 202 237.34 229.57 CB 203 229.76* 229.92
UWLESS OTHERIMSE SPEgFiED ON THE PLANS. 4. 1HE CONTRACTOR SHALL CLEAR AND GRADE AS NECESSARY TO PROVIDE 10' x 250' SIGHT STANCE iR1ANGLES AND ALL INTERNAL SUBDIVISION S1T~ET INIERSEC110NS. LS 236 3.51 55.64 1.08 12 213.60 213.00 RCP 46 FES 236 B 12 12 6.8 22 CB 203 237.34 230.02 D1204 21 11.9 22 DI 204 235.00 230.42 CB 205 230.32
LS 257 13.74 123.25 1.78 18 220.69 218.50 RCP 179 FES 257 B 21 CB 205 236.49 231.22 CB 206 230.72
5. OPEN SPACE WITHIN 1FIE DEVELOPMENT SHALL BE MAMITAINED BY 1HE OWNER AND/OR I J CB 206 236.49 231.57 CB 207 231.47
HOAIEOWMER'S ASSOCIA110N. ~ ~ I~~II¦~I¦II¦ ~~~~l~~~ ~C ~~~~~~~~~~~~y ~~~~~~~~~~~~I~~ C6207 240.52 235.71 C6209 235.61- 237.15 CB 213 236.80
6. NO PORTiONI OF SF-2 IS IN 1HE 100 PEAR FLOODPLAIN PER FiRAI MAPS 3720176300) and 3720177300,E DAZED MAY 2, 2006. " ' ~ ~r ' ~ _f ~ ~r''L ~ 1 ~ CB 209 243.4$ 237.15 CB 21a 237.15 ~ +y' ~ ~ . i ~ \ ~ ~1. , CB 210 243.48 237.50 CB 211 237.40
237.95
N~ \ . ~ ~ ~ ~ , ~ ~ OT 72~ ~ 4 I~ ~ L CB ZB~ r m ~l• ~ ' y ~ ~ ~ ~ ~ ~ ltd ~ ti ti ~ ~ \ 1i1 \ ~ \ ~ ~ M FES 257 • \ ~ WE'i'LANDSI f / ~ I r `~(r ~ • - ~ - - / j 1 , ~ \ \I ~ CB 211 242.57 238.05 CB 212 L L l , ~ ' ~ ~ ` ~ ~ ~ CB 212 242.57 238.4Q CB 212A 238.30
IMPERVIOUS SURFACE CALCULATIONS ~ ~ i ' ~ ,t?' ~ 1`~ CB 212A 243.23 239.62-
~ \ ~ 1 ` ~ \ ~ , ! ~ - ~ CB 213 250.74 242.57 CB 215 242.47 246.33
sF-z 1~1~P STREETS = 289,079 SD FT \ \ \ ~ ~ ~'1 ~~t ~ CB 215 246.98 246.43 CB 216 ~ ~ 1 1 ! ; a,,, ~ ~ \ ~ CB 216 250.74 246.68
~ ~ ~ ~ ~ i s ~ ~ p\~ ~ CB 260 ~ 1 CB 259 \ \ \ \ y~ • ` ~ ~ 1. ~ ~i ~ ` 1 ` ` 1 'SEE LEVEL SPREADER TABLE FOR INVERTS AND PIPE DATA LEADIF r LEADING TO LEVEL S PREA DE R
DRNEWAYS = 66,138 SQ FT D~ 273 ~ ~ ti~ ~ ~ ~ '6FE~~ ~ ~ ~GF~` ~~4~~ i ~ ~ ~ ~EVEL ~ ,.yam' ~ 1 , ~ ~ ~ ~ ~2 ~ ~ ~ p~A~ ~s3~1. 7 ~ ~ a ~ ~~2y4Q3 + i ~ ~ \ -~EVEL1SPREi4D~R~~~ ,,;:;f ~ ~ ~ STRUCTURESCHEDU HEDU LE- FES 217
SIDEWALKS = 130,729 SQ FT ~ \ ~ ~ ~ ~ ~ UPSTREAM i ~ ~r ? S7RUC11JRE T/C INV IN 1 (R IM/ IN 2
HOMES = 193,138 SQ FT 24A~, , ~ ( J ~ ) ~ ~ ti 1 \ ~ ~ , PAp ~~243.3T ~ ~L \ ~ ~ ~ ` ~ ~ \ ~ ~ LS 2 ~ ~ ~ \ ~ z~ ~ , ~ \ ~ ~ \ ! \ ~ ? } STRUC'tLIRE { ^'`LS 257- _ _ , _ ~ C~ FES21T W IN 2 (ft) UPSTREAM INV IN 3 (ft) UPSTREAM INS/ OUT (ft) STRUCTURE STRUCTURE
PATIOS = 0 SQ FT TOTAL IMPERVIOUS SURFACE = 679,084 SQ FT 218.25
DI 274 ~ ~ ~ q ~ Z~ ~ ~ ~ \ ~ \ B 261 d~ ~ ~ ~ ~ t ~ ~ ~ ~ ~ , ~ ~ CB 266 1'~ ~ ~ ~ ~ ~ ~ =2}6.07 1~ 4 ~ ~ ~ ~ ~ \ ~ ~ ~ ~ ~;,°r;''~"~•~„r-^'' Y / ~ FE -T~45.57 ~ \ ~ ' CB 265 + ~ ' \ ~ ~ . - _ ~ w , ~~~\'l~~~ ~ J CB 218 229.08 218.95 CB 219 219.08'
IMPERVIOUS = 679,084 / (43560X36.44) = 42.8 % \ 2 / ~ ~ y= r _ - - - - - . ~ ; w r S ~ \ ~ ~ CB 219 229.08 219.55 CB 220 219.45
~ ~ ' ` a: i - - --~o~ t~v- - _ ~ 4 ~y.,. ~ ` `4 CB 220 232.62 2.15 CB 221 220.05 220.50
i ~ PAD ~Z45.40 CB 267 ~ ~ - \ ~ ~ _ - - - , / n a n'~\~ ~~Y~ \ CB 221 232.62 22a.6Q DI 222 ~Y'l ~ \ 1 DI 222 226.80 22Q.95 CB 223 220.85
~ ~ ~ . ~ -246 7 / ' _ CB 262 ~ ~~f _ -i ~ - ~ ^ + ~ - - . ~ ~ 1 1 \ ~ CB 223 233.24 225.70 CB 224 221.43 221.43 CB 225 221.33
247 ~ ` ~ 4~~ ~ ~ -~n ~ t ~ / CF'E X24 .27 / / / ~ ~ ~ ~ F~ X35 ~ r F-F~ =?.35.27 ' 1 ' 1 ~ ~ t,\f ~ ~ 1 \ CB 224 230.24 226.24
~ ~ ~ ` ~ LOT ti a ~ FPE =247.89 ~ ~ ? GFE ~2~7`39 2 ~~.3~ ~ / ~r„C6 268 , ~ ~ x~' , CB 264 r ?4 r ~ \ ~ ~ ~ ~ ~ 'e ~ ~ l l 1 1 ` i' r 1 CB 225 232.10 227.5G CB 226 226.25 226.25 CB 227 223.85 DI 231 223.75 228.10
~ \ ~ LO 20 ~ ~ ~ PAD2"47.22 -2'47.22 ~ ,r - ia, ~ 1 - \ ~ 4,~7e ~ ` ' ~ ~ ~ \ ~ _ _ ~~o ~ } i t t; ~ 1~ } 1 ~1 ~ 1 ~ t~ 226 232.10 _ ~ ~ , ~ ~ 1 ' ' f + ~ ~ ~ ~ t l A L CB 227 234.07 228.38 cB 22s 230.36 230.36 CB 229 228.88
M 1; - CB 256 ti ~ ~ ~ F~F'E -33.97 1 / ! t ~ ~ ~ ~ ~ ~ CB 228 234A7 230.57
~ ' ~ . 1 ~ ~ e, ` ~ J i _ L~ Y ~ ate, ~.i.oa ~ f ` ~ ~ ~ ~ hFE 24,3 b4 j ~ ~ ~ r ~ ~g, ~ r~ ` _ _ ` ' L-- ~ / GFE =2 37 / ' ~ ~ f ~ ' ~ 1 CB 229 237.87 23U.54 CB 229A 232.60 232.60 CB 230 230.44
~ CB 269 GFE •243.34 ~ ti ~ ~ + GF~ ~2'~8 62 ~ ~w~ / - # ~ ~ ' ~i2~3.1 f i ~ ,eAD ~238:4~ i ~ _ _CB 255 ~ 1`` / , ~ ~ ~ I .l CB 229A 242.45 232.59 CB 269 232.08
\ ~ ~ N F'E~•~53.82 \ ~ \ ~ PAD =39.47 \ ~V i ~ \ ~ ~ ~ ~ ~ s~,~~n~ AD =2'53.45 \ FEE X250.93 ~ ~ / r \ / / y ~ ~ I ' { ~ DI 231 229.50 225.60 DI 232 233.14 224.80
\ ~ ~ ~ ~ ~ + ~ GF~ •250.33. CB 271 ~ ~ ~ ~ ' ~ ? LOT r ~ ~ /jt j ? ~ T ~ - , FFE X236.92 r / C8 254 i r ~ ~ ' ~ ~ ~ Tx~, / 4;;< ~r~~ ~~~EK ( 1 • DI 232 232.80 229.15 DI 233 228.80
\ \ ~ 2 1~ ~ ~ ~ ~ ~ ' ~ . PAD X250.16 ~ x • J I \ e _ ' (~~7 LOT 18Z / ~ ~ GFE /=236.42 \ , ~ ;.a'' ' ~ ~ / ~ ~ ~ ~ I I ~ ~ DI 233 236.80 233.15 DI 234 233.05
~~J ~ ~ r ~ ~ FF~ ~245.47~ ~ , e - s + / / ~ PA[~238.25 ~ J ~ ~FE 244.~a ~ 239 s ~ ~ i , / r ~ ~ 1 ~2Mk80 ~ = ~ ~ ~ ~ / j ~ ~ i / ~ ~ ~ f Y ~ DI 234 239.50 235.85 D1235 235.75
1 ~ \ \ ~ CB 216 ~a- C8 270 ~ ~1~ f~` L ~ ~FE ja24Q:36 / ~ ~ ~ , ~ 24rJ ~ k~ LOT 187 i / ~ ~ - ~ -r ~ , / ~ ~ / ~ ~ J J~ ~ DI 235 241.50 237.75 234.04
~ / "off ~ ~ / / / ( / . I ~ ~ ~7 245.29 234.14 CB 272 . CB 268 243.81 233.54 CB 267 233.44
Ot CB 253 l 1 / ' / 1 / ~ / ~ CB Zf>9 243.81 233.19 CB 268 240.00 240.00 CB 270 233.09
~ ~25t.88 h t ~ 1 ~ ~ ~ \ PAD 251.81 \ a- ? ~ . e''' ~ SaFE ~ 2 6.7~ ~ I, / / , 1 / ~ T 1 ~ 1 ~ / " Ng ! - ~ ~ ~ v (l~ ~ j ~ ~ ~ ~ =235.01 , C .y / ` =234.51 .51 ~v ~ ~ / ' CB 270 246.85 243.20 CB 271 243.10
PAD 246.¢2 ~ J 2 r 4,~'/ / ! / ~ / ~ ~ 7~5 ~ / ~ f ~ 1 AD X234.34 / 1 ~ 1 ~ ~ ~ ~ , `FFE239.12 ~N N ~ / ~i i .34 l f l / / ~~y`' / l ~ ~ ~ CB 271 246.85 243.35
~ / ti J t ( O~ ~ ~,k~ ~ ~ GFE X238 82 - - - ~ ~ , LpT 180 4 ~ ~ ! ~ Y ~ ~ / ` PAD ~238.~ , ~ ~ ~ f / i ~ ! ~ ~ l r / i , ~J ~ CB 2T2 249.82 235.85 QI 273 245.97 + ~ ! I 1 C8 252 ~ ~ % D1273 240.60 237.20 DI 274 245.97 CB 275 235.75 236.85
~ N ~ ~ ~ ~ ~ ~ 1 , - ~ ~S ~ ~ ~ ~ ~ PAD •24~.~ ~ N ~ ~ ~ I ~ / / ~ t~ / ~ DI 274 243.30 239.80
247.79
~ \ ~ \ ~ } ~ ' f~ ~ \ \ \ FF~ i250.~ ~ i ~~250.0~ ~ P~1D. \ 24.87 \ \ ~ 1 ~ s~" 1 / 5'.81 / ~ ~ ~ ~5 252.85 248.24 CB 276 E233.29 ~ ~ / / ~y' V CB 276 252.85 249.45 CB 27l 249.35
\ ti ~ I ~ \ ~ ~ bAD ~2 9.97 + ~ e AD 24n.38 ` ~ ~ 1 1 ~ OT 2 ~ a ~ ~ ~ l 'i'! r ~ CiE X232. 2 ~ r,-- r_~ - o ~ ~ ~ / ~ / / l FFE/=239 ~2 / ~ r.~~ ~~7~ l T 186 DI 244 LdT 179 X232. l', • i i~ ~ / ~~1 ~ ~ ~~r;~~ G o y CB 229 i ~ \ ~ s ~ -i3~:o8 ` ` ~ ~ti ~ ! ~ E232.79 CB 250 CB 251 ~ =~4.~ LO '~y V ~ ~ ~ CB 277 262.11 258.09 CB 278 258.69 ~D X232.82 I / / 1 s 1 0 1 ~ ~ ~'~I ~ ~ 258.69 CB 279 257.99
~ 1 1 1 ~ ~ ~ ~ ~y ~ ~ 1 / ( I CB 278 262.14 J ~ ~ cv J t,,. ~ ' ~ j ~ l Cg 279 270.23 265.18 CB 280 258.64 266.08
ti ~ - ' ( / CB 280 270.23 266.73
1 . ~ DI 234 l ~ r r i o ~ ~ ~ _ ~ _ _ _ _ _ - } ; -----~23z _ ~ • _ _ ~ ' • "SEE LEVEL SPREADER TABLE FOR INVERTS AND PIPE DATA LEADIN LEADING TO LEVEL SPREADER
~ ~ j f ~ _ _ ~ ~ ~ ~ f ~ 1 1 ~ } ~ ( ~ ~ ~ STRUCTURE SCHEDULE- FES 23fi 236
~ ~ j f ~o~ \ ~ , / ~ I ~ ~ STRUCTURE T/C (it) INV IN 1 (ft} UPSTREAM ENV IN 2 ( F~ t.77 ~ I i e .7 ~ ~ ~ ~ M I ~ \ STRUCTURE NV IN 2 (ft) UPSTREAM INV OUT (ft) STRUCTURE
` } ~ ~ ~ ~ I ~ ~ 4 1 1 ~ ~ \ ~ i ~ ~ ~ X248.40 ~ ' ~ DI 235 ~ ~ ? ~ ~ ~ ~f'E 1238.28 ~ ~ ~ ~O 1 ~ ~ i 231 / 214.00
- ~ f l ~ l ~ ~ 1 ~ ~ \ ~ =~4e.23 CB 213 , ~ ~ ' ~ ~ ~ ~ FE X237.78 ? ~ E ~`t ~ j + \ ~ ~p~ ~ 7 } AD + 237.81 / ~ ~ y 236 ZiFE 2 6 27 N / / / PAD X23 ~6FE ~~131.27f + s ~ P 2.7 , ~ \ \ I I ~ ' / i \ FES 236 ~ ~ ~ JB 237 218.00 214.50 DI 238 PAD ~231.Y6 ( I \ ~ ~ ~ ~ ~ i~ ~ 214.40*
1 ~ (i / ^ ~ ~ ~ DI~233 ~ ~ ~ ~ ~ ti J ~ PAD X238.10 r~,'-'' ± _ ~ ~ ~ / ~ / ~ ~ ~ ' ~ f ~ ` ~ - ~ ~ 1 / t DI 238 222.50 217.70 DI 239 217.20
~ ~ ! 1 - --t----r ~ , i' ? f / ~ ~ ~I 239 223.50 218.70 DI 240 218.60
220.70 CB 246 220.20
~ ' ~ ~ 1 ~ ~ LbT 20~ ~ ~ FFE 24411 Q J /~~~b, yJ , ~ C 1 `1\ ` l~yy ~ ' \ \ \ ``,1l`~,\ FE245.80 ~ jr~ ~ ~ 1 I 8 \ \ - -~---r~-----~ ' J -r_.. r ~ ' + DI 243 ~ I 1 eft . ~ \1 11 ~ ~ 5`4i? ' 1/ / J DI 240 226.25 222.35 D1241 220.70 ~ I _ ~4 ~ 1 ~ ~ ` b I f DI 241 227.25 223.35 DI 242 223.25
~ /''a ~ J ~ ~ 1 ~ ~FE~ 247.16 ~0 1 1 ~ ~;.~;i ~ f \ \ 1 1 } ~ •245.43 ~ ~ 1 ~ 246.86 ~ ry ~ ~ \ ~ ~ ~ / ~ ~ ~ ~ ~ / \ 1 ~ 1 \ , 1 L T t ~ 246.49 1 1 \ ~ \ FFE 248.10/ . 6 \ \ ~ ~ J ' , ' i ~ ~ ~ GFE X245.8Q ' ~ ~ ~ ~~E ~2 7.24 ~ O 188 2~ J ~23 PAD =245.4$ ~ . / ~ ~ GRE s 6.74 y 'r ~ ~2~g~ _ ~ ~ ~ O FE a22 ~ + / ~ ~ ~ 1 , LQT ~95 , PA~J ~~36.57 ~ ~ GF~ _235.40 r , ~ ~ IUD =22 t , / ~ , p 1 ~ 1 ~ 1 \ ~ PAD -235.23 - _ p, ~ LOT 171 ~ ~ I \ ~ DI 242 227.80 224.15 DI 243 223.80 225.25
i 3.00 : l ~ 1 DI 243 229.25 225.52 DI 244 ~ ' l 1 1 S I J~ ~J yD =229. ~ ~ ~ I f 1~ l f ~ ~ DI 244 232.80 228.90 DI 245 228.80
~ ~ DI 245 235.50 231.50
~ , ~C8~2i 8 CB 249 ~ 1 ~ ~ r ~~r + } 1P ~ , /j I ~ ,fir CB 246 226.30 222.25 CB 247 222.30 222.30 CB 248 221.50
f~ ~Y" ~ r ~ / t 1~ ~ ` 1 1 ~ ~ ~ ~GFE =545.1 w ~ l / , , Pr~u 2~s.o~ ~ • , ~ L1 ` =2~ ~ 02'0 1 X,- ' \ ~ I , ~ ~ ;Y DI 242- ~ ti~ ~ 65.43 ~ ~ \ ` \ ~ 1 s / 1 „ ' " - l ~ ~ I;k, ~Z 'ter ~ ' l Il ~ ~ CB 247 227.01 223.01
~ / ~l l l/~ \ r ~ 1 ---_--y ~ ~ I ~ ~ 1•':,;' ~ I ~ ( ~ I CB 248 728.09 223.67 CB 249 223.42 1 l ~ / / ~ CB 249 228.09 223.42 CB 250 223.32 224.09
' ~ i 1 + ~ \ ~ ~FE~ ~~Z3~ 40~ ~ ~ ti • ' ti - ~ , / % 1 ~ GFe~E, ~ 5901 ( - - FFE ~ T ~ ~ -„~8 ' _a e~ ~ / ~ ~ 1' ~ I ! ~ ~ ' ~ CB 250 231.07 226.65 CB 251 226.65 226.65 CB 253 226.55
~ + ~ ~J ~1. l t ~ ~ ` \:z~~ ~ ce cos , ~ ~ i--~~' t / ~ / ~ , / ~n \ LdT t94 P ~2 .7~3 ~ l I ~ ~BFE''~234. Y X288#-' - - w / 1 f ~ r~. / ~ t~~j 8.~8 ~ t t ~ ~ ~ \ ~ CB 251 231.07 227.00 CB 252 226.90
_ ~ \ ~ ti P11D 2380 ~ y _ DI 241 ~ 2 ~ - - ' ' ~ ~ 21145 ! ~ I ~ I~ ~ CB 252 231.44 227.44
~ ~ ~ ~ f ~ ~ ~ 1 S ` f 1 I ~ ~ ~ ~ ~ ~ , ~ CB 211 ~ $ r` - - ----r - ~ ? ~ 1 ~ ~,'1f CB 228 i' } ~e i ~ ~ / ~ / I ~ ~ ' ~-k` CB 227 ~ / iL__ ~ CB 246 , ~ ~ i~ P 2q.45j j ~ i I ~y, i' \ CB 253 232.83 228.93 CB 254 228.93 228.93 CB 255 228.83 229.32
n / ~ / ~.1,~^~' I) j t='1` 1 I 1 l I 1 - - ~~l 24 ~ oo ~ sa~ez4 r, oo _ ~oa i ' / ! ! 1 ~ ~ CB 254 233.32 x i ~ ~ f~1 1 I ~l ~ ~ ~ CB 255 234.34 230.34
~h' i/ ~ -a- ' f CB 247 ~ J r 1 ~ ~ ~ L ~ "SEE LEVEL SPREADER TABLE FOR INVERTS AND PIPE DATA LEADI r ? ~ ~ ~3 ~ ~ 1 ~ I ~ STRUCTURE SCHEDULE- FE3 257 k LEADING TO LEVEL SPREADER
~ 1 ~ G~FE ~~.s.o i ~ DI 232~~ ~ ~ ~ I 1 ~ ~ t ' 1 / , ~ M ~ - ~ . t < PAD /244.88' M N - 3 257
. ~ / / ~ ~ / ~l ~ ~l } ~ ~ .23x1.27 i o ~ ~ ~ ' 1 / OT 193 G~ ~ } ~ ~ ' ~ ~ , ~ / x, ' STRUCTURE T/C {ft) INV IN 1 (ft} S~ E INV W 2 INV IN 2 (ft) UPSTREAM INV OUT (ft) STRUCTURE
~ N ~ ~ ~ T ~ ~ ~ , }~1A _L CRE K ~ ~ ~ I t' ti/ ~ I ~ N?Nl -24~.t2 r t r ~ ` / or ~ 1 / ~ I / ~ j ~ ~ , AD r234.t~ ~ DI 240 '2 PAD 44.E / / ~ ~ ---L- - - I ' - - - - ? LoT ~ X22$. ~ ~ ~ ~ i ~ ~u,-;ti,, ~ \ \ FES 257 217.51
/ 1 f I I ~ / 1 ~ :24i~.95~ ~ ~ ~ r I ~ / ~ ~ 1 ~ ! ~ { r ~ ~ ~ ~=~j;~~ ~ 19 ~ ~ ~ \ \ CB 259 236.89 222.16 CB 26d 222.06*
' ~ / ~ j 1 f I, I ~ ~ I ~ / ~ J ' , ' ~ i ~ G~FE 23:57 ; . / ! ~ I I ~ I I/r ~ Y CB 207 ( ' F~'E ~Z44107 r ~ PAD X243.40 i / ~l ~ t ! ~ I I ~ ~J / `r / / 1 P X243 40 ~ ~ I ~ i ~ , ~i ~ 'f" ~ ~ ~ \ ,i? CB 260 236.89 231.99 CB 261 230.89 r ~ ~?.20.19 ~ ; R ~ . 230.89 CB 281 222.33 i
" f ~ ~ ~ ~ CB 261 238.81 234.09 CB 262 LOT 1 s~ ~ , (07 t ~ ~ t ; ~ ~ CB 262 238.81 234.56 CB 263 233.99
i ~ X227 ~ \,{~Ns~4 \ . ,1~ \ CB 263 240.84 236.84 CB 264 234.21 236.74
/ ~i I I 1 I I / ~ r T 2 / ~ ``h ' CB 208 3~ i ; ~ i r ~ ~ ~'S~ ~ i ~ ~e~ ~ ~ ~ ~ i ~ ~ ~ ~ i t ~ 1 i ~ s ' / ~ \ CB 264 242.65 238.41 CB 265 238.31
y ~ I ~ ~ 2 90 L 1 1 ~ { _ _ I % 1 ,fir CB 265 242.65 238.63 CB 266 238.53
~ i `~y . u ~f l~l l~~ ~D -23970 I x I , ~oT~ii ~ i i ~orzio ; ~ ` ~ ~ ~-~i ` ~ ~I N ~M ~ L 7(192 ~ PA~ x .81 f ~ 1 ~ ` ~ s ~ \ ~ ~ ?Z \ - - ~~ti ^ ~ \ ~ l I 1 r i ~ r ~ BRAD 233.23 ~ ~ DI 239 . ` ~ ~ ~ ``'~<r; / 1 ~ I ~ ~ CB 266 245.29 241.68
O I~ ~ l v 1 TQ i ~ G ~ EI~I i 1 j N ~ j 3~ ~ I f ~ ~ ~ ~Q \ \ \ \ i \ ` ~ ~ l ~ / / ~ • ~ ~ CB 281 237.23 233.21 DI 282 232.70 ~ ~ \ ~ / ~ / ~ ~~~y. ~ DI 282 238.80 234.30 01283 232.70 CB 288 232.10 233.70
~ ` ` - - - - • ~ ~ ~ ( I 1 ~ 01283 240.60 236.10 DI 284 236.00
CB 226 ~ ~ _ DI 231 CB 225 - - - = = 1 DI 238 _ JB 237 , ~ ~ FES 236 ~ f _ ~ / / _ ~ DI 284 244.20 239.95 DI 285 239.62
/7~~~~f~ ~ + ~ -y 111 ,\N~• \ , - - f 1 \ 6 I i ~ t ~ t ~ ~ ~ ~ ~ ~ ~ 180 C I ~ ~ 1 l t I ~ , I ~ ~ \ 1 ~ ~ ~ \ CB 205 ` \ \ 1 1 - - ~ ~ -1"'t ~ - ~ DI 285 247.50 243.25 DI 286 243.15
\ \ ~ \ sT, ~ ~ ~ DI 286 250.40 246.15 DI 287 _ ,a. ~ , ~ \ y ~ , 9`'' I ~ ~ ~ DI 287 251.80 246.05 247.65
~ ~ ~ 1 ~ l / ~ CB 28B 241.39 235.55 CB 289 234.80
- ~ 1 LS 236 ~ ~t~ o ~ I ` \ ~ ~ . N/ ~ 4~~' / ~y,, 5 CB 289 241.39 236.40 CB 290 235.80
BO' CP.d~L ES T. t~DB 405 ~QG 758 ~ ~ 1 t ~ ~ I ~ \ ~ \ ~ ~ a ~ ~~?~o.,~` - - - _ _ _ ~ ~ ^ ~ - ~ ~ ~ ~ ~ ~ ~ ~ H / ~ ~ CB 280 247.56 241.60 C6 292 241.30
~ ` ~ , \ ~ ~ 1 I . / B CB 292 251.91 246.83 CB 293 245.04 245.00 CB 294 244.25
~ ~ ` \ \ \ ~ { I ` / - - . \ CB 293 251.91 ~ ~ c~ \ \ 1 } 247.66 247.05
\ ~ \ 1 ` ~ CB 294 253.76 247.15 CB 296 ~ ~ o r 1 ~H, . ~ ~ ~ J~ CB 296 255.49 250.00 CB 297 248.32 248.32 CB 299 248.00
1 ~ 251.55
J 4 ~ A 1 l ` ~~7'~ ,l p I ~ 'I ~ • / CB 29T 256.13 251.65 CB 298 1 1 ! 1 ~ ~ dN ~ c' ~ t CB 298 256.13 251.88
~ ~ 1 ~ 3 ~ ~ ~ DI 204 \ ~ ~ \ ' j ~ / 1 / / / , / I ~ ' ~ J f ~ I ~ CB 299 255..49 248.62 CB 340 ~ i / I I I f f l 1 ~`r~'F~ ~I I/ I ~ ~ CB 300 256.78 248.57
r I ~ ~ !"i 1 \I \ ~ ~ CB 205 ~ ~ ~ ~ , ~ ~ ~ ~ CB 301 256.78 252.53 CB 300 249.22 252.78 249.22 CB 302 249.12
ti Q~ ~ I~ ~ ~ ~ 1 } 1 ~ ~ ~ ~ \ ~ ~ ~~~~~r i J ~ ' i ~ ~ ~ CB 302 259.26 25Q.41 DI 3d4 255.26 255.26 CB 305 249.66
l I l I l ~ / CB 223 ~ / ' ~ ` / ~ ~ 1 DI 304 255.80 250.80
~ f ~ t ~ j ~ n \ \ ~ CB 202. ~4 ~ ~ ~ 1 DI 222 CB 224•-- - ----230--- - - - _ / ~ ~ / ~ ~ / ~ ~ ~ \ CB 3d5 266.18 261.85 CB 306 261.60 261.60 CB 307 261.30
~ / ~ ~ ~ ~ i / ~ i ~ ~ i / ~ ~ / / ~ ~ / ~;r~ L ~ ~ CB 306 266.18 '-~.c--- .~~,1~.L cam- ~ ~ - j ~ 7 , ~ f ~ ~'y` ~ ~ . ~ CB 307 275.50 270.60 CB 308 262.08 270.35
t Ml +c ~A - - - ~ - ~ .c, ~ ~ ~ ~ , µ K ~~~,~s.~, CB 306 275.50 271.25 CB 309 271.00
_ ~ - - - CB 221 ,r ~ ~ ~ i ~ ~ % ~ CB 309 279.37 273.25 CB 310 273.15
~ ~i ~ \ ~ ~1 ~1 \ ~ \ \ , ~ 119 119 ~a.,. , 1 S l ` 1 rzr ~ ( ~ z~ - ~-+~x1+ 1' ~ - _ ~ / ~ i ~ ~ -"~~c x ~s / ~ ~ 1 / CB 31 d 279.37 275.82 GB 311 275.72
~ ~ ~ ~ ~ ' I ~ ~ ~ O 12 ' ~',O~VN 0~' LS 201 ~ \ ~ \ ~ ~ ` ~ ~ \ ~ \ ~ \ ~ \ ~ \ ~ 'ice ~ ~ / ~ 1 \ ` ~ 1 ~ WEN(D~~ ~STO~k~ ~ \ ~ ~ ~ ~ ~ ~ \ ~ ~ ~ ~ \ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ / CB 311 284.95 278.70 WFP ....~4 - j''~~~, ~ ~ * SEE LEVEL SPREADER TABLE FOR INVERTS AND PIPE DATA LEADI i ~ 279.60 k LEADING TO LEVEL SPREADER
ti
CB 220 , ` - - _ X225-` i _ / oo'oooooooeeoooo0°°'Pee 00 C14R ~ 00000000
~ ~ ~ ~ i , ti's ~ L 1 , 4,,.. ~r'~' ~ o•° m;Po°° -o ESS/o
~ ~ ~ ~ ti _ - yJ ~ ~ ' ~ ~ a/ i i ~ / i ~ i > 1'~ ~ ~ j,` : ~ ~ GRAPHIC SCALE coo O 0
$ fir' ~ ~ ~ ~ I ~ 1~ ~ 1 1 EASE E~ T ~ \ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ \ ~ ~ ~ ~ ~ LEVEL SPREADERr- - ~ ~ I~ / I 1 ~ \ ~ \ \ \ ~ CB 219~C8 218 - - ~ .r' tip" i'i'~ / ,'~ld'f~RE i~ i' ~ ~ 7 ~ ~ ~ bo 0 3o bo ,so 0 S A 0 e
~ i i,~yf ' ~ ,C 1 9 4
_ _ _ ~ / i TO ~:F,.'~'~I~ ~ 1 inch = 60 ft. ° G
I ! ~ } 1 \ ~ ~ \ ~ \ \ 1 `"c+ \ 1 ~ 1 1 ~ ~ I / - .LS 217-~------_--.__ 1 I , ti ~ ~ ` ~ ~ _ ` 1 \ ~ ~I` ~ 1 ` , 'nN ~1 l ~ i FES 217 20' TOWN ~F,~NDE-~L- - - . ~ ~ ~ ~ ` ' V ~ { \ \ 1~ 11 ~ 1 1 \ \ ` ` 1~ ~ ~ ~ -STORi~f DRAINAGE , . - - . - _ 0000000000 000 •
~ \ ~ H Ssc5 a .
assooe eoooo ~ ~
L ~ "r
NO. Revision Date B Designer Scale
1 AS PER DWQ 07/27/07 DLP DLP JEW 80' 7] Sheet No.
~ Drawn By Date WENDELL FALLS STORM DRAINAC ALV Fm N E L
~ RSM 05/25/07 ~ Checked By Job No. AGE AND GRADING PLAN SF-2 WITHERS RAN ENGINEERS 1 PLANNERS I SUR 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-46 SURVEYORS 3el
Wake Coun!Y North Carolinall, x:919-467-6008 www.withersravenel.com
DLP KW o2oso2s,.o4 Wendell ]L

~ ,r ~ ~ /,r ~ , ~ ~ r ~ / r' r r / i I ! .r' ! ~
/ ~ ~ ~ /r / ~ J / /,..r' / / / /r I / 1/ ~l / ~ ~ \ \ \ ~ ~ i
rr y/ J r' r~ ~ r ___r- i t' l / ~ / /
r' F / / / ~r 1 + f I, ~ ~ ~ / \ ~ ~ ` ~ ` \ FES 3G1 STORM DRAINAflE PIPE T ~ j / ~ ~ / \ ~ \ ~ ~ ~ ~ \ Upstream Downstream Upstream Inlet Upstream Inlet System Total System Maximum P ' j ~ ~ \ ~ \ ~ Struotu~e Structure Area (xresy RaRional Cce~icieM Intensit (iNhry Flow icis) Ca acit (cfs dia I~! f ~ ~ ~ ~ ` ~ 1 ~ ~ ~ ce•3os cs~3o~ o.~s o.~~ 7.22 0.83 s.s> >s iE PIPE TABLE
.F I ..ice ? / r' / ~ 1 f ~ r mum Pipe Upstteam Downstream Velocity
} % ( / r 1 f~ F'~ / r . r ty (cfs) diameter Material Length (ft) Sloe Invert (ft) Invert (ft) Out ft/s)
r. ~'ti.. ~w / 1''J r,'••»-• J / r,,• fir' f ! r/t ~ ~ ~ \ ~ , { ~ ' \ ~ CB•~07 C&308 0.49 0,78 7.19 3.63 12.77 15 51 15 inch Concrete 34.50 1.01 240.65 240.30 1.10 ,77 15 inch Concrete 134.10 3.91 240.20 234.96 3.66
/ , f ,/r i r r l l r^ r' f r C&308 CB-305 0.40 0.53 7.13 5.12 13.62 15 ~ ~ / ~ / \ \ ~I ` , ~ 1 r ` CB•305 C&304 0.39 0.52 7.08 6.54 9.20 15 ,62 15 inch Concrete 133.94 4.44 234.86 228.91 4.22 20 15 inch Concrete 34.50 2.03 228.81 228.11 5.33
! y ~''n. .r ~ ./r ~,v rr ~ .rte" f. ~ ~ ~ / ~ / ~ ~ ~ ~ ~ ~ ce-aoe CB•303 o.ss o.e~ ~.o~ ~o.~s ia.aa ~s I~ % ~ / ~ ~ ~ ~ ~ ~ , ~ ~ \ ce.~ cs.3oz o.so o.ns zos ~z.os ~s.ss ~s .86 18 inch Concrete 52.95 2,00 227.78 226.72 6.10 .66 18 inch Concrete 22.50 2.22 226.30 225.80 8.89
' ~ ~ I /r r~ r r /.r ~ / . ~ f ~ ~ /I / ~ / ~ ~ ~ \ i ( \ c cs•aoz FES-soy o.~~ o.aa FES 309 STORM DRAINAGE PIPE T / ~ Upstream Downstream Upstream Inlet UpsUeam Inlet Systam Total System Maximum P \ Shueture Structure Area {acres Rational Coefficient Intenairy (Nhr) Flaw(cis> Capacity (cfs} Cia ' ~ I ~ } ~ ~ i ~ ~ C8-334 CB333 Q.25 Q.65 7.22 1.151 8.85 15 .64 18 inch Concrete 96.95 8.51 22725 216.00 7.18
f'' J'` I ~ ~ f / ~ ~ f l ! f E PIPE TABLE
r r,,.~+ Y '.r ~ _ ter, / ,,r - r' r' / r ~ wr vv rr. r r ~ / f w? r~ ~ ~w+mk+r Mr Ala ..r'te' r ~ ~ rY?r ~ ~ 1 /r r ~ ~ ! f kw rM I+MwY~ta°"kw imum Pipe Upstream Downstream Velocity ity (cfs) diameter Material Length (ft) Slope Invert (ft) Imett (ft) Out (ft/s)
y f r ,r ~ I ~„t f f/ ,f r. w:kr.i~w~5~i+r wN .u+ w~ rr.~+w++ 'r r// t I ,.Y' iww?w ew wY a w wN+R..wAI «r / / ! ~ wu 7W 1 85 15 inch Concrete 22.50 1.11 277.85 277.+60 1.95
,.r kkk aw' c« w~+ ? > rRw ex+w~pcaw•a~u yw r / ~ wl qdY wuAai+Mriu:94iq ~ • / wr ;r,u, y?~,''+,~,,.~ rw ~u'r ~w w~ / ~:~dAIN+a~k wr WiY / ~ / l i Jl ~ ~ ~ ~ ` 1 ~ ~ CB-333 ce-mss o.2r o.r~ ~.?0 2.59 ~a.za ~s 08-331 CB332 Q.39 O.iO 7.Y1 1.99 8.85 15 .23 15 inch Concrete 217.09 4.71 277.50 267.27 2.35 85 15 inch Concrete 22.50 1.11 267.52 267.27 1.80
_ `....W ~`rWf 'fi'"" u,M, aus~ awuhfwNilM ~ / ^'~+w. ~ W VpaNWFyyy1~ M ~ ~ r• ,r i w /r ! rr' f ~ / l ,L~ r/ / I 1 CB-3510 CB~351B Q.31 U.64 7.22 1.35 2.73 12 } ~ ` ~ ~ 08.332 CB329 0.37 0.77 7.13 &.41 14.78 15 73 12 inch DPE S 145.47 0.50 258.50 257.77 2,89 .78 15 inch Concrete 51.95 3.10 267.17 265.56 5.29
~ f / r I' _ r k ~ / ~ / ~ / f f , ~ ~ t / ~ ~ / / \ ~ ~ t ~ 1. ~ C8-3518 CB-351A 0.38 0.60 7.07 2.~J5 4.93 15 ~ ` ~ / T ` \ ~ Y1375 YI.374 0.55 4.SQ 7.T2 2.00 6.19 12 93 15 inch iDPE S 88.53 0.50 257.52 257.08 2.69 19 12 inch iDPE (Sm 165.00 2.58 255.25 251.00 3,21
/ ~ f r ~ I ~^j ~ ~ / a ~-7~ t ~ ~ I ~ ~ C8~82 CB381 0.16 0.76 7.22 0.88 6.13 15 13 15 inch Concrete 22.50 0.53 258.61 258.49 1.85
~ ~~~'y^... ~yt '`:rte .#.,,r.~_... ry~ . Y. ._....~~.`a.. -~...,"~„~rt'? "I. y"'. ....r...... ,r^/ / / r / ~ r ~ ~ / \ ? ~ ~ \ ca-sze cs,3zs o.os a.sa z» s.ss ass ~s ! ` ~ \ C8~52 CB-351 0.40 0.47 7.22 1.37 6.01 15 88 15 inch Concrete 145.02 2.34 265.46 262.07 5.71 01 15 inch Concrete 46.93 0.51 257.20 256.96 1.42
r _ ~ 1 / ~ f" ..f ~ / J ~ r C~i~~~ ~ \ ~ CB~351A 08351 0.66 0.60 &.99 5.1t 8,09 18 ~ / ~ ~ ~ ( ~ \ ~ ~ \ \ 1 ~ C8~54 08353 4.55 Q.61 7.22 2.14 6.85 15 09 18 inch DPE (Sm 93.10 0.50 256.83 256.36 3.23 85 15 inch Concrete 22.50 1.11 265.70 265.45 3.04
1~ / • ~ / o ~ f fl .fir. ~ ~ /r / ~T~~w~r ~n j/ r ~ ~ r ~ r ~ e r Qa / / / ` / ~ 1 j YI~74 YI-373 0.63 0.50 7.13 4.24 5.82 12 82 12 inch iDPE Sm 165.00 2.27 250.75 247.00 5.41
,r- , I 1 / ~ ,r' , ~ ~ f ' ~ dHmMd. ar~YMq.'iAi.k'W~. J/r ~7~j~w~~ ,tor' . ~.y:+vhYm, ~ Ka~il lain ~ ~l f ~ J ~ GS-380 CB379 4.25 0.7t 7.Y1 1.29 6.13 15 C8~81 08379 0.15 Q.72 7.24 1.87 14.63 15 13 15 inch Concrete 22.50 0.53 25354 253.42 1.42 .63 15 inch Concrete 163.81 3.03 258.39 253.42 2.06
~ , ~ s '::'Wk7iI~LAiI'y'Iw'AWwI~}~,. '~"~,a~:~I~ ~ I ,rte .,.r- / s ~r'~ ~'a~~~~ w~ I ( + CB328 08327 0.34 O.i2 7.45 8.6& 14.4& 18 CB-351 0&350 0.42 0.58 6.92 8.66 9.97 18 .48 18 inch Concrete 44.46 1.12 261.72 261.22 4.94 97 18 inch Concrete 22.50 0.53 256.26 256.14 4.90
/ / ! l / ,rj , r ~ l t/ • • • • / / ' . • ~ r ^~T /ir ~ \ M t \ t ` J \ , ~ 08353 08350 0.16 0.73 7.21 3.29 18.78 15 ~ 7 J 1 E ~ 1 ~ + ~ \ ~ i v~~ cssrs o.T~ o.so ~.as s.;s a.ss ~s .79 15 inch Concrete 152.04 5.01 265.35 257.74 11.51 58 15 inch iOPE Sm 153.75 1.50 246.75 244.44 5.48
/ ~ / ~ f r f Y ~ • a . ~ r r r i i . ~ • • J • • • / I ~ \ / ~ ~ \ ~ \ ~ ~ 08-379 CB,378 0.26 Q.Bt 7.12 d.64 16.36 15 .36 15 inch Concrete 144.29 3.80 253.32 247.84 4.39
I \ t r b r ~ •r ~ • • • ~ • / . / r • • ! ~ • • • • • ~ f . • ~ ! f~ ! / ! • ,I • • r jy / • • I • • / • • • / / / 1 ~ l \ 1 \ \ cs-3~s cs-tee o.~a a~a z~ o.~s a.~~ ,s / 3 ~l \ \ \ \ ~ I cs~2~ cs,~zs o,zs o.5a ~.os s.~~ sass ~e 71 15 inch Concrete 32.50 1.08 25276 25241 4.37 ,.57 18 inch Concrete 192.87 5.69 261.12 250.15 5.64
E / / . • ~ T ~ f l~ 0 , . r~ . ~ / / / 1 \l \ ~ l ~ y , ~ ~ ca-~.s cs~a4 o.n o.sz ~.n o.a~ s,~s ~s 13 15 inch Concrete 22.50 0,53 239.98 239.86 1.13 49 15 inch Concrete 22.50 1.02 253.94 253.71 1.32
~ / .mo'''w ~ l ~ r ~ / ~ + • • • • • • ~ • • . . • • r/ /r ! r r? r f / r 275 • ~ ~ ~ ~ i / / / / / ~ ~ ~ ` , 1 ` \ ~ \ ~ \ ~ 1 ` 1 C8--350 CB,Z48 0.07 0. 8 fi.91 126 8 8 69 1 B 1 / 1 f l ~ ~I I ~ ~ , \ ~ ~ ~ , , cs-~7z csa~o o,ao o.~o s.ss a.o~ ».oa ~s ~.69 18 inch Concrete 136.65 1.87 256.04 253.48 6.89
r i l l' / z~ ,r- / Z / f 08-371 CB370 0.34 0.72 7.22 t.i8 8,85 15 i jl/~j~f I 1 V i ~ ~ ~ ~ ~ ~ 1 1 .04 15 inch Concrete 103.62 1.73 244.14 242.35 9.61 85 15 inch Concrete 22.50 1.11 24260 242.35 1.62
ca 1 r, , J / ~o / r- r , ~ l ' ~ ~ j ~ ~ t ~ \ ~ \ \ ' 1 ~ 1 cs-an CB,Z76 0.07 4.69 7.71 0.35 6.13 15 ~j / / ~ ~ 4 y , ~ ~ ` ~ ~ l ~ / C8-378 CB-376 0.20 0.71 7.d8 5.63 18.25 15 13 15 inch Concrete 22.50 0.53 246.73 246.61 0.33 ~25 15 inch Concrete 75.91 1.49 247.74 246.61 5.33
~ 1 I yr / f r / ~ 1 1 / l / r r LOT 23 ~ ~ ' ~ ~ f I ~ ~ ~ X \ \ \ ~ l ~ G$324 CB323 0.31 0.58 7.72 1.31 8.46 15 ,46 15 inch Concrete 32.50 1.02 241.87 241.54 4.85 x.04 18 inch Concrete 298.88 3.36 250.05 240.00 13.72
a.. r.. r r ~r+~ r r ~ .r.r r+ \ r r I I I t r ~ I r / 1 ! ~ ,I r ~ / r / ~ / / ~ / I ~ I r w i ~ / ~ ~ ~ I r //I ~ / f / ~ i y , ~ \ / \ ~ \ \ \ \ ~ \ ~ ~ ~ ~ ( r Cam- ~ CBJ' 3 0.17 0.63 7.20 1'60 6519 15 ,13 15 inch Concrete 65.72 0.53 239.76 239.41 1.35
l I ~ I ~ I t~ ~ ~ ~ I LOT ,r I ~ r LOT 23 1 t ~ t / r ~ rr I LQl' 2 ~ l ~ I LOT 130 ~ r r t ~ ~ r r ~ ~ kOT 232 , / LOT 229 r a ~ ~ / r ~ / ! ~ 1 ! 1 ` / ~ ~ \ ~ ` ~ ~ ~ 1 1 } f ~ cs•~~ ce-sea o.~s o.ss ~.n z.ae a,as ,s • ~ 1 ~ ~ ! 1 I cs-~s css4s o.as o.so s.s~ ~a.n ss.7s ~a ,49 15 inch Concrete 22.50 1.02 248.32 248.09 2.34 ~.76 18 inch Concrete 138.22 3.84 253.38 248.07 15.00
~ ~ I g ~ ~ _„_w 1 LOl'2 c~! - j T 221 I I LO I ~ ~ 26 i LOT 2 ~ ~ r I / r ~ ~ r OT 36 ~ r / f ~ r- ~ l r f ~ ~ r 1 r f ~ I I ~ ~ f f . ~ ~ , ~ , r I ~ r l ~ ~ ~ ~ ~r i J` r ~ ~ ~ ~ \ ~ \ ~ EST. ~ ~N5 ~ ~ ~ \ ~ ( } ~ ( ~ cs-ate cs.3sz o.z~ o.s2 ~.~x o.TS ~s.~a ,s 7 4 15 inch Concrete 36.99 3.97 245.24 243.77 1,62 x_77 15 inch Concrete 108.85 5.00 249.21 243.77 0.81
\ I I ~ I M ~ ~ ti \ I 1 I I I t ~ I / ~ \ ~ / r 1 ~ r ! ~ , / f I / rr / / ~ ~ rI 1 \ f ~ r ` \ ~ 14 SY !N.'I~t \ ~ 1 ` V I l ` 1 c~-ass cease 0.0~ a.~a zn o.ao ~s.n ~s R ` G8~70 CB~369 0.40 4.58 8.95 11.39 30.84 24 ~ ~ ~ / ~ \ Y \ ~ ~ ~ \ ` , I y ~ 1 1 cs.a~s cuss o,~o o.a3 ~.as s.~ ~a.sa ~s 84 24 inch Concrete 45.45 1.10 241.60 241.10 3.65 1.84 15 inch Concrete 129.07 3.12 246.43 242.40 11.71
I \ \ f 1 ~ ~ 1 r ! r~ 1 ~ I ~ \ \ ,f~ r ~ ,y t ~ ~ ~ ~ I I r !a \ ~ a ~ r / y j \ c~ r / \ r` \ ~ 1 ~ ~ ~ \ ~ 1 1 l ~ CS-323 CB,'ST2 8.58 0.52 6,91 1d.25 29.43 24 7.43 24 inch Concrete 103.87 1.00 239.50 238.46 5,34
\ \ \ ~t ~ ! \ \ _ 1 ~ _ ~ ~ ~ t ~ 1 \ r 1 ~ f ~ 1 t I , r ~ r / ~ ~ \ n ,r r r / ~ ~ ~ t \ ~ ~ ~ 1 1 ~ 1 ~ t , 1 cs-3as ce-sa2 0.76 o.s~ ~.~a a,7~ s.s~ ~a / ~ ~ ~ ~ ~ ~ ~ ~ l 1 1 } ~ ~ ~ camas c~,3az o.zs o.ea 6.83 ~s.~s zs.ss ~a ,97 18 inch Concrete 22.50 0.53 239.16 239.04 2.67 ?.96 18 Inch Concrete 217.07 3.90 247.50 239.04 10.64
\ I \ ~ l ti ~ I 1 1 ~ ~ \ ~ ~ ~ I ~ OT 233 ~ \ / 1 ,,r ~ r ~ / ~ \ \ / 1 1 E i l i \ f y f ~ f , ~ 1 ~ ~ ~ \ ~ ~ \ ~ 1 1 ' ~ 1 ~ l ~ ~1 ~~z ce-~~ o.ii o.70 ~.+s z.oa 9.63 ~5 .68 12 inch Concrete 113.93 3.51 234.50 230.50 4.12 ,63 15 inch Concrete 69.89 1.32 243.67 242,75 1.92
~ I \ I ~ ~ \ ~ S. ~ ~ ~ / I \ I r / k ~ r / ~ ~ ~ r r f a ~ ~ I r ~ ~ \ ~ \ ~ ti ~ ~ ~ ~ ~ ~ ~ 1 , l 1 cs~se ce-sea o.2s o.sz s.ss ~a.sz amass sa ~ ~ ~ , 1 1 ~ \ \ ce-ss2 ce,~2~ o.o~ o.~a s.e~ ~a.sa ss.ss za L35 24 inch concrete 22.50 0.58 240.50 240.37 6.22 ?.63 24 inch Concrete 32.50 1.02 238.36 238.03 5.54
~ \ I \ ~ ~ I \ ti ti r , ~ ~ ~ ~ 1 t ~1 1 c~-~x cep 9.oz a.~o ~.~s 6s, sez is ?.89 24 inch Concrete 49.96 2.54 238.00 236.73 7.95
~ ~ 1 \ 1 x / ~ r ~ ~ / 17 1 / Lo . ~ ~ / , / ~ \ 7 1 l 1 ~ ~ ~ \ \ \ cs-se~ vi-ssa o.so o.~a z~2 s.oa zz.s~ ~s ,62 15 inch Concrete 76.27 1.31 230.25 229,25 8.28 91 15 inch Concrete 180.08 7.44 24265 229.25 15.75
~ ~ . ~ ~ \ CB-334 ~ ~ ~ ~ J ~ r ,l 1 ~ - 1 ~ i ' 1 ~ \ ~ ~ ~ 1 ~ + I 1 ~ ~ ~ ~ cs,~se c~s~ o.os 0.73 s.s2 ~s.oo 2s.zs sn ~ ~ ~ , ~ ~ ~ 1 ~ 1 cs-ax~ cs-azo o.oz o.ss s.es ~a.ss ~Z~s za Q9 24 inch Concrete 46.37 0.99 240.27 239.81 6.26 76 24 inch Concrete 51,37 1.01 237.93 237.41 5.62
~ - \ CB 1 ~ ~ / ~ ~ ~ , ~ ~ ~ / l ~ / ~ \ \ ~ ~ ~ ~ ~ ~ 1 ` 1 ~ CB-340 C6~339 0.39 0.70 7.22 1.99 6.13 15 ~ ~ \ f I ~ ~ I f ~ y t ~ J ~ ts-3~~ ce~a o.os o.ao e.n ss.3s aa.ss Za .13 15 inch Concrete 22.50 0.53 234.10 233.98 1.62 1.59 24 inch Concrete 149.26 2.20 23663 233.35 8.07
\ 1 \ + \ \ ~ \ 0 ~ ~ r ~ CB 333 ~ ~ \ \ ~ 4 t ~ ~ ~ ! ~ verse vi-as~ o.za o.so 7.0~ ~s.es Z~.~a Za i.14 24 inch Concrete 63.88 0.52 228.50 228.17 7.06
1 1 ~ ~ ~ / ~ ~ ~ i / / r~? 1 _ CB-411- ~ ~9 ~ . ~ ~1 1 ~ 1 r 1 ~ ~ ` ~ ~ { I I { 1 ' f ce-as6 cs-s6s o.az o.» ~.zz ~.ss e.as ~s .85 15 inch Concrete 22.50 1.11 236.79 236.54 1.43 91 24 inch Concrete 123.88 3.24 239.71 235.70 6.24
1 ~ ti 1 ~ 1 ~ ~ ~ ~ • • ~ ~ f ~ ~ l ~ h ~ ~ I ~ ~ ~ f ` o.oi o.ss saga 14.73 3as~ za 1.51 24 inch Concrete 132.33 2.33 237.31 234.23 5.55 .51 15 inch Concrete 34.50 1.01 235,33 234.98 1.32
~ ti 1 1 ~ ~ - 1 \ ~ 1 / , sue' ti+ / J / "!l,y,,K~ f 1 ~ ~ I ~ / ~ / ~ ~ I ~ ~ ~ L ~ ~ I ~ ~ , ~ amass cs~~~i o.~e oii ~.iz i.~s 6.53 i5 .13 15 inch Concrete 22.50 0,53 230.14 230.02 4.24 1.97 24 inch Concrete 172.67 2.24 233.25 229.39 14.21
i \ ~ _ ~ 3 C 9 ~ I \ 1 ~ ~ r ~ ? / p / / r. o f r . 1 V I ~ ~ I ~ ~ ! ~ I ~ ~ ~o f ~ 1 ~ cs-~e ces37 o.z~ o.ss s.~a is.oo a3.s~ 2a i ~ f 1 ~ r ~,1 ~ f I I ~ ~ ~ v~sr cuss o.~s o.sa zaa ,a.a~ s~.ss 3s 1.56 36 inch Concrete 107.12 0.50 227.17 226.63 2.25
~ ~ 1 r ~ ~ r ~ ~ ~ 1 y ! I ~ ~ ~ ~ I ( ~ ~ NI I cs-ass csa~s o.ao 0.52 s.ea 22.43 sz.so za ` ~ I ~ ' ~ f N ~ ' ! f t ~ ` ` I 4 CB-356 08355 4.35 0.73 7.22 1.8& 6.13 15 90 24 inch Concrete 176.16 4.58 235.69 227,63 17.85 .13 15 inch Concrete 22.50 0.53 230.43 230,31 4.29
~ I ~ ~ 14 \ , ~ ~ , ~ - ,r 1 ~ I. I ~ ~ ~ _ ~ , CB 410. I ~ \ / I ~ ~ . r ~ i 1 ~ 1 I ~ c~» c~-a~s o.~s o.ss 7.z2 o.;s s.s> >s ~ I ~ ' t ~ ~ 1 c~~s ca-~~s o.a3 o.aa s.~a n.~a a~.sa za .51 15 inch Concrete 34.50 1.01 226.36 226.01 0.67 ?.64 24 inch Concrete 200.00 4.44 234.13 225.26 5.84
\ ~ I ~ ~ \ \ ~ ~ ~ ~ ~ I I / /r 1 ` / ~ 1 ~ \ / I I ` I ~ r ~ ,r 1 ~ / I / 1r 1- ~ a ~ j 1 / ~ ~ } ~ ~ ~ ~ ~ cs-a~~ cs~c o.zs o.ro s.ss ~o.» es.s~ as >.87 36 inch Concrete 90.66 1.00 226.90 225.99 4.45 1.29 36 inch Concrete 108.06 0.50 226.53 225.99 5.77
~ , I \ ~ \ \ \ ~ \ ~ ~ I \ 1~ ti \ ~1',, I I I r rJ ~ I ti• \ r / f \ i' OT 8 ~ - / / ~ CB-355 09336 0.35 0.70 6.84 39.78 61.29 36 l ~ ~ ~ ~'i' ! J' ' l ~ ~ ~ ~ 1, \ \ C8~16 08314 0.60 0.52 6.74 19.78 31.41 24 1.41 24 inch Concrete 196.12 1.93 225.16 221.38 10.57
5~ \ ~ I ~ I ~ \ \ ~ ~ I \ / l' I ~ ~ ~ I ~ f i ~ ~ r _ ~ ~ \ r I 6 4~ ~ ~ \ r t LOT 2 3 LOT 2 r r f , ~ ~ / r I ~ ~ l ~i ~ ~ I ~ \ \ ~ \ L ~ csa~5 cea~4 o.~s sec 7.z2 o.e~ a.s~ ~ ~ ~ I, ( 1 ~ ~ ~ csa~c ceps 0.35 0.~o s.ss 7o.s~ ae.» ss ,,67 15 inch Concrete 34.50 0.52 222.31 222.13 1.06 3.71 36 inch Concrete 22.50 0,53 225.39 225.27 10.55
c ti \ 1 ~ ~ v.oT ~42 ~ \ 1 ~ ! I I l T 241 ~ I I w ti L 240 I I I \ \ \ ~ \ 1 2 ~ 1 \ I ~ \r ~ i 1 1 ! ~ ~ ~ T gas \ Lo \ / ' I I ~ I ~ ~ I II 1 ~ \ \ ~ ~ ~ \ cea~s css~2 a~a o.es ~.n o.ae a.s~ ~ l y ~''I 1 \ r~ 1 \ \ \ ~ ~ ~ \ csa~a ce3~z o.ss o.52 s.s~ ~.ss 2so~ a \ \ 08335 0&311 0.38 0.67 6.66 72.59 108.74 3 EXISTING POND ~ ~ ! ~ ~J ~ \ \ \ ~ ~ ~ \ ~ ~ ~ cs~~2 caa~~ 4.55 o.as s.ss za.sr ss.~s d a 4 11 \ i ~ ~ \ ~ ~ \ ~ ~ ~ _ rte,,, rx~„n n!sa esn ss9 sa5o too_gs 4 .67 15 inch Concrete 34.50 0.52 221.78 221.60 1.42 ).01 30 inch Concrete 75.96 0.50 220.88 220.50 6.23
y I r 11 I 1 I I ~ ~ ~ ~ 1~ ~ r r r ~ 1\ \ ~i I ~ r LOT 246 ~ ~r wp~ ~r.rrr r.w. ` / i ~r ~ \ 6.74 36 inch Concrete 194.86 2.66 224.75 219.57 16.03
~ ~ S I I _w.._.-g r I EXISTIf\ ~ 1 ~ , r \ f r" I 3.76 42 inch Concrete 94.06 0.92 219.33 218.46 2.60 10.96 42 inch Concrete 35.75 1.01 218.36 218.00 11.64
~ \ ~ ~ ~ ~ ~ / - i+~ ` rw ~ Irv a... / ~ ra ~ / ~ / f / ~ \ / ? L 1 ,l , ~ \ ~ \ ~ \ ~ ~ ~ ~ \ ~ \ ~ ~ \ CB-310 FES~309 0.61 0.47 6.57 10U23 101.77 4 ~ 1 ~ ~ \ ~ ~ \ ~ ~ \ ~ ~ ~ ~ FES 383 STQRM DRAINAGE PIPET ~ ~ \ \ \ ~ 4.77 42 inch Concrete 62.54 1.02 216.64 216.00 11.87
- - _ ` ^ ~ ~ ~ \ ~ ~ \ ~ ~ ~ ~ \ \ \ CB-327 4 ~ \ i ITZ 1 / 02M PIPE TABLE
- - - ~ \ ~ ~ ~ ~ ~ \ ~ _ _ ~ ~ N FYI-3 ~ - ' YI-351 i .~-,YI-351 - / . 1` ~ \ ~ ~ \ ~ ~ ~ \ ~ \ \ \ \ \ \ ~ ~ ~ ~ Upstream Downstream Upstream Inlet Upstream Inlet System Total System Maximum \ ~ \ \ \ ~ ~ \ ~ ~ ~ \ = ~ StNCture Stiudure Area acres Rational Coeficient IMensit mfi Flow cts Ca acil ds di ~ ~ ~ ~ \ ~ ` ~ CB-~7A C&387 0.58 0.46 7.72 2.03 6.07 1 1ximum Pipe Upstream Downstream Velocity ~city cfs diameter Material Length Sloe Invert ft Invert ft Out ft/s
~ ~ ~ \ ~ CB-328 ~ ~ a ~ ~ ~ ~ ~ • 6.07 15 inch Concrete 34.50 0.52 230.22 230.04 2.85
1~ ~ \ \ \ \ \ ~ \ ` ~ ' • ' ~ ~i 25 ~ f ~ .LpT 253 \ \ ~ 1 .-r ~ . 1 . ~ ~ LOT 25 ~ / . \ \ ~ ~ ~ \ \ ~ \ ~ ~ ~ ~ ~ ce-~ cam o.~a o.ao ~.~s z.as e.es ~ \ \ ~ ~ ~ ~ ~ ` ~~~~E,_ _ ~ ~ cages ce-3es o.2s o.so ~zz ~.so s.m ~ 5.83 15 inch Concrete 120.89 0.66 229.94 229.14 3.08 6.07 15 inch Concrete 34.50 0.52 229.32 229.14 2.07
~ ~ ~ t 251 / • ti ~ LQT _ , \ ~ ~ ~ ~ \ \ \ \ \ \ ` ` ~ ` ~ C&38a ES-3e3 0.09 o.et FES 388 STORM DRAINAGE PIPE -PROP. PARCEL BOUNDARY ~ ~~C~€~~~~N ~ 7.43 18 inch Concrete 136.02 0.50 228.89 228.21 4.40 10.08 18 inch Concrete 66.23 0.92 228.11 227.50 6.02
1 ~ ~ CB 408 ~ ofi ~ 5z ~ PRO ti 1 ~ \ aE PIPE TABLE
1 407 CB ti t \ 249 LOT ~ ~ ~ Upstream Downstream Upstream Inlet Upstream Inlet System Total System Maximum 1ximum Pipe Upstream Downstream Velocity
t ~ ~ ~ OP 'N SPA E \ \ / ~ ~ ~ ~ ~ ~ • / . \ ~ ~ ~ \ \ ~ \ \ \ ~ ~ ` ~ ~ ~ ' Structure Structure Area acres Rational Coeficient Intensit iNhr Flow cfs Ca acd cfs di icit cfs diameter Material Length Slope % Invert ft Invert ft Out ft/s 6.03 15 inch Concrete 83.5 0.51 281.21 280.78 2.64
~ ,r I / ~ 1 ,r.. 1 1 , . • ~ ~ \ ~ \ ~ ~ ~ CB-411 CB-410 0.46 0.65 7.22 2.18 6.03 1 C&410 C&409 0.33 0.66 7.15 3.73 8.43 1 8.43 15 inch Concrete 67.54 1.01 280.68 280 3.83
~ YI 351 A ~ .i . ~ .l , ~ ~ ~ • / r • / 1 \ ~ ~ ~ ~ \ ~ ~ \ \ ~ ~ ` C&409 C&407 0.16 0.65 7.12 4.45 16.35 1 16.35 15 inch Concrete 83.31 3.79 279.9 276.74 4.25 8.85 15 inch Concrete 22.5 1.11 276.99 276.74 0.94
f . • I . ~ • . • l ~ ~ ce•aos caao~ o.e~ o.e> >.n z.~s e.e~ ~ 8.85 15 inch Concrete 22.5 1.11 265.19 264.94 2.11 16.72 15 inch Concrete 295 3.97 276.64 264.94 4.75
A r~' ` ~ • N~~ __,J,.. / ~ ~1 \ ~ ` ~ ` ~ ~ - - _ ~ ce-ao~ csros o.oe o.~3 7.0~ e.e~ ~s.n ~ ~,,...,~.P , ~ 1 ca~oa ce-e~ o.~ o.~ ~.n ~.ss e.es ~ 8.85 15 inch Concrete 22.5 1.11 257.03 256.78 1.29
- ^ ~ ` - ~"'~»~w,«s! _ 1 ~ / \ ~ t ~ ~ ~ . CB•105 CB-403 0.37 0.5 7 9.58 16.6 1 ~ C&403 C&401 0.33 0.65 6.95 12.51 26.97 1 - - - - ° ~ _ ~ ~ \ \ ~ ~ ~ ~ ~ 1 ` CB-402 CB-401 0.72 0.7 7.71 1.12 8.85 1 16.6 15 inch Concrete 203.94 3.91 264.75 256.78 7.89 26.97 18 inch Concrete 196.06 3.9 256.28 248.63 14.98
CB-354 - ~ . _ . - = _ '~F'.~ = l= _ - - ~ ~ \ ~ ~ 2 70 ~ . C&a9B C&397 1.13 0.58 7.22 4.77 5.93 1 8.85 15 inch Concrete 22.5 1.11 249.13 248.88 1.2 5.93 15 inch Concrete 108.31 0.5 242.54 242 5.37
` ` \ ~ ~ ~ • • T , _ ~ ~ ~ ~ / ~ ~ \ ~ - ~ C&401 C&100 0.31 0.62 6.9 14.83 26.53 1 26.53 18 inch Concrete 46.36 3.77 247.75 246 8.4
/ CB-325 i , ~ ~ ~ ' ` 'CB-352 1~~~. r~ ~l r ~ • / . _ =~~~i(S-~ - - ~ ~ ~,s± ~ \ , ~ ~ - _ ` C&397 C&396 0.17 0.7 7.15 5.58 9.68 1 _ - - - ~ ~ yam.. ~ ~ \ _ ~ , ce•aoo cams o.o~ o.s~ s.e~ u.e~ m.~s ~ 9.68 18 inch Concrete 99.47 0.5 241.65 241.15 4.11 20.36 18 inch Concrete 22.5 2.22 245.5 245 10.31
O ~ ~ w 1~ i L Z ~ L ~ ~ c~~sa cam o.~ o.ss ~.zz s.m ~ 6.07 15 inch Concrete 34.5 0.52 239.2 239.02 1.45 9.77 18 inch Concrete 64.51 0.51 241.05 240.72 3.35
-CB-326 ' ~ ~ ~ ~ ~ \ ~ \ 1 ~ \ ~ \ CB-3 ~ S 51 LOT 303 ~ } ! a 1 ~ v ri ~ ~ ~ 1 i \ ~ ` ~ \ \ STR~AIa' ~MAIVNEL l ~ - - - - ~ ' ~ ~ ~ ce-~s cam o.ai o.~s ~.ae s.~ e.n ~ • \ \ ~ ~ ~ ce-~s camas o.sa o.ss sse ~s.3s 2z.e ~ 22.8 18 inch Concrete 46.64 2.79 244.3 243 12.12
I r ~ J • ~ / r• / ~ ~ ' • • ~ ~ 1 I L T 314 / / 1 ~ ' ~ \ ~ \ ~ ~ \ \ \ \ \ ~ 265 - ~ ~a~ C&393 C&392 1.16 0.53 7.19 6.03 5.94 1 \ ~ ~ ~ t ~ \ ~ - . C&395 C&392 0.06 0.85 6.87 22.23 41.59 ~ \ ~ ~ ° - - - ~ g ~ C&392 C&391 0.17 0.63 6.84 28.6 21.48 ~ • 1 \ \ ~ ~ NRB'~T~E9~ BUFFER` ~ ~ ce-~s~ ce~a~o o.~e o.s~ s.e3 ~s.u szn \ ~ \ ~ \ ~ ~ \ . _ . ~j~'~3'~ ~ \ C&390 C&3B9 0.3 0.75 6.82 30.93 53.7 l• • ~ ~ ~ ~ ~ ~ ~ ~ ~ . ~ J - ~9'h ~ ~ \ C&3B9 FES3B8 0.08 0.8 6.81 31.32 56.57 5.94 15 inch Concrete 61.92 0.5 238.92 238.61 5.36 11.59 24 inch Concrete 121 2 240.22 237.8 7.24
1 - .iL ~ ! 1 1 - ~ ,,.r , . 21.48 24 inch Concrete 22.5 0.53 236.58 236.46 9.11 )2.72 24 inch Concrete 61.92 3.21 236.36 234.37 9.38
~ / / ~ C 3 0 r~ / 53.7 30 inch Concrete 34.5 1.01 233.87 233.52 6.82 i6.57 30 inch Concrete 74.65 1.9 233.42 232 6.46
~ ~ LC}~f 25 \ ~ ~ ~ ~ r , \ \ LQT ~ r ' • . • ~
~ ~ ~ ~ ~ \ ~ CB-349 ~ ~ \ / ~ 1 ~r r ~LpT 3 1 ~ 1 • V- ~1 { \ \ • S t ~ ~ 1 \ 1 ~ ~ 3 ~ •
7 \ , \`t ~ \ ll 1 ~ ~ L~23 ~ ~ . ~ ~ ~ r 1 \ • It ; . ~ ~ ~ \ \ ~ \ ,~1~1 ET6AI~IDS-- - ~60=- ~ ~ ~ ~
1~ ~ / ` - T~zS . , ~ ~ \ r r 1r r r ~
\ ~ ~ CB-348 ~ ~t~ ~ \ ~ ~ ` ; ,ice! W ~ \ I~ 1 ~ ~ \ \ 1 ~ t.
\ \ ~ _ \ L ~ ~ ~ ~ \ LOT 3 5 1 \ ~
\ \ ~ ` ,rte"
~ 1 ~ ~eT 3'16 'a 316 - l ~ ~ ~~~t~,.~ cam,
o CB-347 ~ ~ ~ ~ 1 ~ ~ ~ 1 ~ 1~r`, ~ ~ ~ , ~ YI 375 •
lam' ~ ` ? ~ ~ a ,CB-346 ~ - ~ ~ ` g ~ ~ LOT 33~ ~i 1 - ~ _ \ • ~ 4 ~ ~ ~ ~ ~ ~ 406 oT 99. ~ L ~ ~ ~ ~ GENERAL NOTES ` 1 `~1~
~ - lOT 30 .r+ .r ~ t ,r 1~ • ? ~ `~~r 1. ALL a01N~5TRUCTION SFWl ~ IN NCCORQANCE VYRH G) SfANQARD SPEgFlG4T10NS AND RN.EIGH SiAND~ARDS AN Wi17ER. WITH CITY OF WENDEU AND/OR AMOT
~ \1 t ~ > 1 1 3'21 LOT BARDS AND SPECIMMONS FOR SEINER AND
1 ~ t ~ ti ` ~ r' ~ ~ \ \ ~ / 2. BOUNQARY AWD TOPOGRAPHY INFORMATI~I FRONDED B 3. THE INTERSEC110N OF RIGHTS-OF-WAY SFW.L BE ROUIJ UNLESS 01HERWISE SPECIFlED ON THE PUNS. !OVIDED BY WITHERS do RAVENEL, INC.
~ I I ' ~ ~ ~4 ~ BE ROUNDED WITH A RADIUS OF 20 FEET
\ r r 1 LO 07 4. THE CONTRACTOR SFWl CLEAR /W~ GRADE AS NECESS DISTANCE TRWVGLES AND ALL IMERNAL SU60MSI0N ST 5. OPEN SPACE WfiHIN THE DEVELOPAIENf SFW.L BE MN HOMEOWNER'S ASS0CIAT10N. NECESSARY TO PROVIDE 10'x250' SIGHT
~ . ~ ` \ 1 \ i ~ ~ VISION STREET INTERSECTIONS.
~ ~ ~ ~ LOT 340''' ~ ? \ - i ~ ~ T 320 ~ \ ~ BE MAINTAINED BY THE OWNER AND/OR
~ ~ ~ 1 ~ 1 1 6. NO P0RT10N OF SF-3 IS IN THE 100 YEAR FLOODPLAI QATED MAY 2, 2006. LOODPLAIN PER FIRM MAP 37201763001,
~ ~i ~ , • \ ~
9
ri • 'ie 00°°°0000000000000000
000 C/a Lo0 °~O°0000° ° / a0e
C8381 FESS/ e
CB382 IMPERVIOUS SURFACE CALCULATIONS 0 0 e
v a, 0 S A 0 1 9 °
SF-3 STREETS 266,718 SQ FT 0 °eoe eee e0 G 000<Q
a DRNEWAYS = 71,504 SQ FT 00 /tj °°°OeaN ee°°°°
a SIDEWALKS = 71,433 SQ FT 0000 • J 6666 L 0000 0060646°
c HOMES = 260,000 SQ FT
0 a PATIOS = 26,000 SQ FT 7/1-
»s E TOTAL IMPERVIOUS SURFACE = 695,651 SQ FT
g' GRAPHIC SCALE 60 0 30 60 120
IMPERVIOUS ~ 695,651 / ( 43560 X 49.04) = 32.6
1 inch - 60 ft.
i i
$ No. Revision Date B Designer Scale
N 1 AS PER D1NQ 07/27/0 KW 60'
Drawn By Date WENDELL FALLS STORM DRAINA ALVEN W-L Sheet No.
~ WEC 05,/25A7 o Checked By Job No. IF WITHERS &Pmp RA% NAGE & GRADING PLAN SF-3 ENGINEERS I PLANNERS 1 SUR 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 91946 SURVEYORS •
Wake County North Carolina .IL x:919-467-6008 www.withersravenel.com
w&R 205261.04 Wendell ]C

DSO` ' 1 ~ ~ I ~ ~ ~ ~ i i
GENERAL NOTES
1. NJ. CONSTRUCTION SHALL BE IN / STANOIARD SPECIflCATIONS AND RA WA1ER. BE IN ACCORDANCE WITH CITY OF WENDELL AND/OR NCDOT
AND RALEIGH STANDARDS AND SPECIFICATIONS FOR SEWER AND
} } PHIC INFORMATION PROVIDED BY WITHERS & RAVENEL, INC.
VELOCITY DISSIPATERS 3: ~"c~noN rs~"~ OUTLET CLASS LENGTH WIDTH THICKNESS UNLESS OTHERWISE SPECIF1Ed ON ;HTS-OF-WAY SHALL BE ROUNDED WON A RADIUS OF 20 FEET
l ~ ~ J 1 1 1 1 I FU~U I ~ / ~ J f IFlED ON THE PLANS. CLEAR AND GRADE AS NECESSARY TO PROVIDE 16250' SIGHT
NUMBER STONE (ft) (ft) (in) 4' ~ ~ OLSTANCE 1RWr(~.ES /WD ALL INTE FES 309 B or 1 28 14.7 22 5. OPEN SPACE wRFUN THE DEVELOP FES 301 B 12 6.3 22 ~~~S ~a~• ALL INTERNAT. SUBDIVISION STREET INTERSECTIONS.
l DEVELOPMENT SHALL BE MAINTAINED BY THE OWNER AND/OR
~ f t~ , ~ - IN THE 100 YEAR FLOODPLAIN PER FIRM MAP 37201763001,
OUTLET 3.1 B 18 21.0 22 6. NO PORflON OF SF-3 IS IN TFIE 1
~ r V 1 1 ~ ti it ;r / ~ ~ ! ~ / \ FES 388 B or 1 20 10,5 72 QATED A~4Y 2, 2006.
OUTLET 3.2 2 25 27 27 I
IMPERVI SF-3 ERVIOUS SURFACE CALCULATIONS
e ~ ~ ~ ' 1
r i % / r/ ~ ~ ~ I ~t ~ t l i ~ i i i ~ • ~ ~ LOT 26j / ~ ~ / f r ~ f j / ~ ~ ! ~ J ~ ~ `pus ~ ~ ~5. STREETS 266,718 SO FT
. \ \ - DRNEWAYS 71,500 SO FT
~ ~ ~ 1~~~\ ~ _ - SIDEWALKS 71,433 SO FT
~ 1 e / \ ~ ~ ` ~ ~ - - _ HOMES 260,000 SO FT
1 ~ 1 l ~ ~ ~ CB-323 / ~ { ~ ~ ~ ~ ~ \ ~ ~ ` \ 1 \ ~ - _ _ , - PATIOS = 26,000 SO FT
x 1 OT'~,27 t ~ ~~,t. I'~ ~ zso_._._ TOTAL IMPERVIOUS RVIOUS SURFACE = 695,651 SO FT
~ ~ ~ ~ ~ / CB 324 ~ ~ ~ ~ t ~y 'ti \ '~y ~ ~ ; ~ ` 1 ~ ~i 7'~1 f~~~,~ I ~1 ~ ~~2 ~ ~ ~ , ` ~ % IMPERVIOUS = ?US = 6959651 ! 43560 X 49.04) = 32.6%
LOf 298 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ 1 ` ~ gs~ ~ \ ~ l
/t 1 , ! ~ 1 ter,' ~
~ ~ ~ ~ ~ i
\ \ ~ ~f \ t ~ , T 328 ~ ~ ~ --~A;.._. ~ t WETLANDS
~ ` ~ ce- ~ z , ~ • ,~'r ~ CB-344 / r ~ ~ 1 ~ ~ i ~ r r l'~ . t , r LOT 337
~ ~ CB-321 _ ~ ~ ~ 1 ~ ~ ! / ` r 1 N ,,1 ti i r r ~ - i 1,..; ~ ~ LOT ~ LOT 3 ~ ~ ~I.OTJ29~'~/ r ~ .1. + .1 . ~ 1 1. 1~~,~ i 1 ~ ~ \ j~ 1~
`~25Q _ J C. l ~ ~ ~ ~ f / 1 CB-345 ~ r r ~ ~ r t r t
~ z` ~ ~ `~o~ 2~ / / I ~ ~ ; CB-343 ` \ ~ - C8-320 ~ ` ' ( ~ f I ~ CB-342 ~ ~ r r i .1 ~.1 LOT 1 r ~ ~ \ . t , ` , LO 329 ~ ~ d
~ ~ ~ ~ 1. r ~ r v ~ 1 t 1 ~ ~ ~ t _ ~ \ ~ ~\`l \`~P~~v~P'nd~ 1,11 ~ j 1~ # • \ ~ \ \
OT 34 ) ti LOT 33~ ,r..- ~ ~ ~ _ YI 3 YI-374 ~ \ ~ 1~',~1~ ~ j\s ~ 1 \ ~ \ ~ `
-;"10709 ~ ~~0~~11,~ .1.,.,~~~~'~•1+•~\•~ j ~ ~
~ ~ 1 r w. ~ ''d ~ P \ 1 ~ ~A ~ r ~ ~ 1 t
LOT 43 ~ \ \ • \ ~ LOT o t 1~ • ~ t ~ r 1 ~ ~ \ ~ /'r / • i _ 1 i CB-404 ~ ~ ' t ~ ~ ~ ~ ~ 1 `1 ~ ` ~ ~ ~ \ ~ ~
` ~ ~ ~ ~ 1 1 . ~ CB-341 \ \ ~ Asa CB-403 ' , I E ~ ~ ~ • y ~ ~ ~ ~ ~ ~ ~ ~ °"J ~ ~ 1 t ~ 1 .1 1 1~ ;\,1 1 1 '11.1 :y~ 1 I 1 ~ ~ ~l ~ \
~ ~ ~ ~ ` • ~ 1 ~ \ / ~ \ / \ \ LOT 2f35 ~ + I 1~ ~ I • ` ~ ~1; ~ ~ ~ \ ~ ~
` ~ i / ~ \ ~ ~ , ~~.''y' i~ + J } ~ ~ / \ ~ , ~ LCQT 344 \ _ ~ r ~ _ CB 363 0 - ~ ~ \ ~ ~ t r _ T 335 Lo CB 364 ~ r ~ t
~ 1 r '1 \ LOT' 7 r \ ~ • 1
\ ~ . \ ~ 1 ~ r 1 ~ ~ 1 y. - \ •
, - - \ _ k~$ CB-318 ~ ~ ~ / ~ ' / ~s~ _ C8 362 ~ ~ T 45 ~ YI 360 L 1~ ~ ~ 1 ~ r \ 1 \ ~ ~ oJ~ ~
• CB 378 l
,r /ior ~w CB-319 / ~ / , ~ ~ I ~ . i 1 • CB 361 t 1 t / ~ ,r f ',,1 ~ ,
r \ OT 31 r ~ ,,r \ ~ t 1 i s ~ / r' ~ 1 ~ / ~ ~ ~ ~ ~ i LOT 294 t ? 1 I ~ ~ 1 1 1 ~ ~ \ ~
~ T 346 t' ~ ~ ~ ' ~ i -373' ~ ~ - ~ i ~ ~ i ~ / l ~ ~ ~ ~ 1\ Y\ ~ ~ ~ • f ~ J ~
~ ~ ` / / yam" ~ r, ~ ~ ? 1 1\ ~ \ ` 1
- - - - \ \ ~ f~` nor a~fi ~ f CB-339 1\ o ~ i i ~ ~ ? ~ 1
• 1 1 1 r ~ i / 1 t ~ ~ „M.. _ ~ CB 377 1 CB 376 ~ ~ ~ / \ ~ 1 bT 330
1 i f ~ VB-340 , ~ 1 i' ~ ~ ~ r ~ ~ ~ ~ ~ 1 1 r ~ ~ t 4 T 3a YI 3 9 \ Z ? Q 5 ~ ~ t LO'F~3 ~ t ~
~ t OT 31 t ~ 1 1 OT 374 l 1 1 1 - ~ ~ /
` t l 0 3 2 1 \ t 1 ~ L ~ t r t 1 T315 / r ~ 1 1 ~ ~ 33 .1 ~ 1 LO ``t 1
/ ~ t , t / ~ ~ .+..r" ~ M.rrr +10~w~rw~rr~i1A ~ w~A t 1 \ t ;TT M FFER \
l . / ~ i . t
~ 1 ~ ~ ~ YI 358 - ~ \ t ~ i/~+ ~ " t ~ \ i~ 1 1 I / / ~ CB-397 / ~ 1 t~ l~t 1 I. 1 l 1 ~ ~
, / ~ ~ LOS 269 ~ 1J ~ '1 ~ ~ 0T 349 ~ YI-357 1 ~ ~ l` } i i t ~¢Tu~s ~ , ~ ~ i I 1 A ~ ~ ~ ~~e~ ~ CB-398 ~ ~j f •1 j ~ n 1 ~ t /1 PROP. PARCEL BOUNDARY
~ CB-400 ~ i CB-396 . l 'ti ~ y • ~ ~ 1~ ~
_._-23~-`" ~ ~ , ~ ~ ~ j ~ ~ ~ k " CB-316 ~ 1 1 , ~ i ~ ~ ~ , ~ ' / j I j RIOT 351 I I LOT 352 \ I I 1 LC?T 353 0 ~ ~ / ~ / ~ ~ ` ~ 1 ~ ~ CB-372' } ~ , . ~ ~ ~ ~~I• ~ 1 , ` ~ CB-399 ~ ~ - _ - ~ ~ 1• f .~.I 1 ~ 1 \
/ ~ ' , ~ / , - CB-317 , - ~ \ 1 CB-369 1 \
1 CB-337 1~ J ~ ~ ~ i ~ i ~ ? / I ~ / ~ ' 370 ~ Z~,N, ` - _ i ~ ~ • l ~ ' 1 ~l ~ I 1 1 1 1 r
` ~ ~ ~ / ~ / ` 1- 1 ) i ~ ~ / ~ ~ ~ ~ i ~ / ~ ~ ~ ~ ~ CB-370 ~ ~ , i ' / f ~ / / / ~ 1 ( I t ~ ~ ' .CB-368?, ~ 1 / ~ CB-395 i , ~ ~ ! j.
CB-338 / i ~ ~ l ~i / i ~ ~ / ~ , ~ ! f , ~ STREAM CHANNEL I lop
i ~ ~ ~ ~ ~ ~ " , ~ ~ / ~ ~ i ~ i ~ / , ~ l ~ ?+ti r" , h CB-371 ~ ~ _ ~ / i J l ~,CB-367 zt~ ~ ~ CB-336 1 ~C. N ~ KC / ( ~ / t ~B-371 ~ / / ~ / / ~ ~1 ~ i ~ ~ ! i !j/ ( r, j I. f , ~ ~ , i / / ~ ~ / / ~ ~ LOT 287 ~ t ~ ~ + S j ~ Y \ ~ ` ~ ? ~ / / ' ~ , ~ , ` ~i DoT zag ~ / ~ ~ ~r ~ I ~
~ ~ ~ - ~ ~~DEV,ErL'O-PEA~E~I~~ ' ~ _ _ , ~ ~ ~ r ~
~ \ ~ ` \ \ ~ \ ~ i ~ / ~ i , ~ _ ~ ~ ~ ~ i ~ k ~ gar z» ~ ~ . ~ -
f ~ • CB-355 ~ C6-365 f / l t ~
' ,ce-335 ~ ~ ~ r ~
J ~ i ~ ~ ' ~ / /LOT 28~ I ~ ~ ` ~ X i'_~ r ~ J t ~ , ~ / • ~1 ~ 1~
~ ~ ~ , ~ ` . CB-356 CB-366 't ~ ~ 1 ~ ~ t / „r LOT 285 / ,Y ` / ~ I ~ L% - J ~ . ~ . ry t ~ 1 l ~ ~ • ~ 1 ~ • ~ t 11010
~ ~ \ ~ ~ ~ ~ ~ , ~ /,11 ` f ~ / ~I f~ ~ / , ~ ` ~ ~ DoT ~z~ , \ ~ ~ ~ ~ i 1 r ~ ~ l ~ t\ , ` ~ ; I t ~ ~ ce-314 ~ ; ~ ~ / ~i.oT ssa ~ t ~ CB-392 C8-391
~ i .r-- / ~ 1 ` i i ~ i i i / i / s 1 i , ~ `~1 ~ ; ~ LOT LOT T83 / ~ ~1 / / 4,.-~~ / i ~'w ~ ~ ~ / ~ / , • ~ r ~ . ~ I • J ~ ~ ~ 1 1 1
OT 273 ~ - ~ ~ ~ ~ / / ~ ~ t / , ~ ~ DoT zez ~ ~ Y ; ~ ~ ~ ' / ~ i / ~r ~ z~ / CB-390 • R,~° • O,P~I jAc~Ej ~ . • J ~ ~ C~ • 1` .I . 1 4 I ~ Y ~ ~"l ~r / CB-393 ~ ~ / ~ ! I ~ 1 I {
TOIM~OF ~ \
~ ~ r 1 1 1 , t \ \ ~ ~ ~ ~ f CB-315 [~61~L STOR \ ~1 Jl,~/~~ / ~ ! 1 1 ,111' ~ ~ ~ 1~~~'\\ ~ / ~ DR~INA ~ ~ ~ , / ~ ~ ~ ~ 1 1 0 ~ , 1 ~ ~ - _ CB-312 yI / ~ p,, ~ ~ ~ i ( 1 t LOT 281 ~ I l 1 r~ l 71
DR~INA~E ! i I ~ ~ i i~ ~ i i ' < < '74SE~i~fENT . ~ ~o j~a 1 } ~ `i i I ~ 1 i i ~ ~ i l ~ i i I ' tii 2eo ~ ~ / / • / ~o~+ ~ f ~ J?~ C8-389 ~ ` ~ ~ ?s. . ~ / ~ • ~ , ~l ' ~ f ~ ~ L
. • i N /CB-394 ~ / - xz~~ ~ ~ l'~~ ~~•l~• ~ 1 { M
x~' ~ ~ 1 1 4~oT ~i~s ~ i i co~z~~~ ~ i i ~o~s» y i LbT 278 ~ i ~ SOT ~~9 ~ ~ - 1
Z ~ ~ ~l ,,,DLO ; / / ~ / ~ ~ ~ ~ ~ ~ ~ ~ ~ . ~ . ~ \ ~ ~ ~ \ CB-313 L...
` ~
~ r / / / ?~B STREA~A~BUF~f~ ~ ( ~ i~ y ~ _ i' ~ !'i ~ ~ _ ~ ~ CB-311 'I • • % r' .fib CB-307 ~ CB-305 ~ CB-306 I V~. 24.00
~ rr .~1 , ~ ~ ~ ~ ~ I y~ ~ `fie E i t ~ ~ G' ~ / ' j . ~l . C OPEN SPACE ' ~ 1 ~ ~ /I FES-38 ~ ~ / I I ~ f ~
_ CB-310 2~' t + zo + ras+oo \ ao. '
l ~ p/ i ~ ~ .'0.8 ' ~ / N I Ci8~.3~ ~ ~ 3 RCP/ ~ENG " -/100'
ry ~ , ~i / ~ CB-304 ~ ` . f i / ~ . ~ l r 1 d i l l
- r ti • CB-385
` A- O~ j -2kPLA'NS
N ~ _r / ~ ~ ~ ~ ~ ~ - ~ ~ l' ~ / ~ f ~ / r/ / ~ "fir`, ~ ~ , ' -FES-309 ~ / ~ / ~ / ~ / ~ C8-30 CB-303 ~ r ~ ~ i ~ ~ ~ ~ ~
f ~~J~ /~i~~~~' ~ ~ t ~ i~ ~ iii _ - % ~ ~ % ~ 18d' CP-BcL~~SK~T. AB 336 P~S 278 i~ ~ ` 1 1\
FES-301 i ^ -
~ , ~ ~ ? i ~ ~ ' f' ~ I~ i j~ , ; / i ~ ij Jr i i i i 1 is ~ ~ { ~ t ' r ~ 1 i ~ i t ~ h ti' ! 1 ~ / / 1 1~ f ~ ( < < 1 / t ~ \1 1 1 CB ~ ~ i r ~ ~ ~ i t ~ , , , ~ ` , , ~ ~ ~ ~j i W r ~ ~ ~ ~I` ~ W~ .mss-3e3 1 CB 84
ri / ~ / / / ~ / ~ , - - ~ ~ l / ~ L r SEE HEEf 6.0 - - ~ i~ / i ~j ~ ~ i ~i~ ~i % ~-i / ~ ~ ~ ~ ~ ORE T-MER'6E~I~ -
I rr r ~ ~ ~ ~ ~ oeo0eeeoooooe0o
CA
\ \ OLeo°°o 0000000000 oe -6v ES
~ %l~' / / ~ _ _ ` ry~`~ J \ 1. ~ ` '-1 ~ 00
-383 e
~ r S SE \ 0 184
/ ~~f r ~ ~,~i :ref f,, ~f ~ i ~ ~ ~ ~ \ ~ ~ i 4 ~ / ~ I~ L ~ \ \ ° e• Cj Z4
- %000 000
t
~~i ~ ~~it y~ir~ ~i1~ fly ~ ~ 1 i ~ / ~ , ~ GRAPH E
60 0 30 60 120
i
a ill ~1 ~ r-}i/,1 Xy~ , ~ I ~ I ~ r ~r~ tf (f ~ !l ~l ~ r i/~ r// / ~ ~ ~ ~ - 1 inch = 60 ft.
L L i
g NO. eVIS1011 Date B Designer Scale
N 1 AS PER DWQ 07/27/0 7 KW KAP 80' In I
Drawn By Date WENDELL FALLS STORM DRAINAC AV Fm N Fm L Sheet"°.
~ WEC 05/25/07 AGE AND GRADING PLAN SF-3 WITHERS &Pwp RA ENGINEERS 1 PLANNERS .SCR SURVEYORS 4•1
Checked By Job No. 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 91911 3x: 919-467-6008 www.withersravenel.com
w&R 205261.04 Wendell Y Wake County North Carolina

~ ~ ~ ' l \ '
EARTHEN BERM EMERGENCY SPILLWAY ~ ~
EL. = 223.00 i ~ ~
2 _ 1 dF FACN WAY '/y P~FD~ JQM
III-111`1 = ~ _ I-III- 18~ER f2' IxOE
-I I! . ,III-III-I EL. = 222.00 I-I l I-III- -y" ~ ~ ~_I I I-I Iii-iii_i ? i.- ~ i ~ I ~-iii_ I \
,o'
1
• f 1- ~ I I i I
' +2 8r ! / = ~ HIGF~,MARSH ` I
EMERGENCY SPILLWAY f ~ ~ ~ 845 ~ +24 . I
NTS FOREBAY ~ ~11N MARSH - -
624 SF ~ 1442 SF~--.. / I I 1\ I I 1
_ 24~. +248.5 +48.5
_ I _
\ I I ELEVATION SECTION
\ x+24 ~ \ I ~
r ~,.J r ~ \ HIGH MARSH SEE BMP SEC71(NJ FOR SIZING a1TA
~m Tom. IMERMEDUI7E / 1 ~ li / I ec~nr trou,w
~4 REB11R RING Tpp ~ MANHOLE 1 I TYPICAL ANTI-SEEP COLLAR - BMP~Yi.i
RISER N ~ TRASH RACK:
pN ~ S3 ~i I ~ ~%z~c 1/2w GALV. STEEL MAX OPENING = 12" HORIZONTAL
`~II ~ ~ j r 10'`~'1vIE-~6ENCY \ ~ ~ ~ ~ ` I (SECULERLY ATTACHED TO CONCRETE RISER) I
/4 REBAR RING NOTE FOR / ~ SPAGN(; SPILLWAI~ _ - ~
/ \ \ \ ~ ~ ~
59' 2S
4' DIA PRECAST RISER
\ ~ N I I \ I TfA° OF PoSER STRUCNXE ElfVA71fAV .251.50 PU I ` I Ai J I 7 N07E. PLACE S7EU SUPPOR73
/4 REBAF2 TRASH RACK (ABONE~ --r' AT 3 FROM BASE

ANCHOR TRASH RII~CK TO IAMIHOLE WALL WfTH FOUR EQUALLY
SPACED HOT-DIPPED GN.VANIZEO STEEL CUMPS. EACH CUMP QED TO MANHOLE RISER BY 2-3'x1/4' CONCRETE ANCFIOR ~ ~ I cROU 11I / I ~~ev n GROUT EACH SIDE

1 I'~~ J __.JiOiINT SEALED WITH A-LOCK NEOPRENE
J ~ 1 I awncc acv~nav - z~s.e~ civ. sc ~,w. ~ c~s b' I I j 1 i I ~ r w+s wa visor GASKET CAST IN MANHOLE WALL
~r
NOiE ~N TRASH RAfrK REBAR $P14tMi Nfs: ~ . - ~ES)~AROUND M WHOLE PRISER. (EACfI SP/~uCE ~ 13.2't - ' AT #4 REBAR RING).
~~r ~ro cr care 240 '00-RING GASKET' RCP
/ vu~t av[n.
OUT 6"
\~~\~~\~~\~i~~\~ PA1£D INIERi ;i raw e•
TRASH RACK DETAIL (NTS RCP RISER \~j\///\\~j\/\ r\~.~ a
.
1' MIN. FREEBOARD TOP OF DAM DAM EL. 253.5 BMP #1.1 -CONSTRUCTED WETLANDS J L e. ~ 1.1
WATER LEVEL DURING STORM RISER & DRAWDOWN DEVICE DETAIL -FOR BMP ~Yi.l
- TRASH RACK\ SCALE: 1 " = 20'
1 i

PEAK FLOW ATTENUATION POOL T
-I = VENT SCREEN ACCESSIBLE THROUG DOOR
~ - - - MINIM ~ MINIMUM SLOPE 2 1 ROUGH
_ 15'
5' ~ PERMANENT POOL I ~ ~ NOTE:
DEPTH VARIES FOR HIGH/LOW MARS _ I - SKIMMER MAY VARY
TEMPORARY SKIMMER ~ ' ' - SLIGHTLY FROM
ILLUSTRATION
MICRO-POOL ~ I ~ -
- -I ~ ~ ~ ~ 1
ANTI-FLOATATION DEVICE ~ 1 S ~`1 FLOAT ~ l
ANTI-SEEP COLLAR i _ NOTE: RISER BARREL, SKIMMER AND OUTLET PIPE SHALL j ~ ~ ~tti
I ~ VIII OUTLET END; CONNECTION
z~~ _ - TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN
BE INSTALLED PRIOR TO THE BEGINNING ' ~ `1 ~
OF OVERALL SITE GRADING AND SHALL BE NO~~INCLUDED WITH SKIMMER
UTILIZED AS A SEDIMENT CONTROL DEVICE WET POND B 'OND BARREL / ,r-- ~ - - SUPPLIED BY USER
DURING ROADWAY AND UTILITY CONSTRUCTION. C R 0 S S S E C TI O N 72 LF 246" 246" "0-RING GASKET" t ~ ~f, I FLEXIBLE JOINT
ONCE SITE HAS BEEN STABILIZED AND GRADING ~ 2.08°
IS COMPLETED THE BASIN SHALL BE CLEANED ~ / ' ~ 10SION CONTROL
OUT AND STABILIZED. THE SKIMMER DEVICE } ~I ` BMP SKIMMER DETAIL - BMP~1.1 (FOR SEDIMENTATION & EROSION
SHALL BE REMOVED. f- ~ , - ~ ~ ~ 1 I i 'ti
CONSTRUCTED WETLANDS DESIGN _ I l ~ M
' / ZON~=-' ~ D - ~ I, ~ ~ ~ TM~~ ' CONSTRUCTED \ ~ ( ;TED WETLANDS NOTES:
DIMENSIONS ELEV. ~ ` I r~ I 1. IF WE'fLAMO WAS USED AS ISO AS SEDIMENTAPON BASIN OR TRAP, BASIN MUST BE 40 OUT AND GRADED-
~pyr ~ ~ ,y ?mss .I ~ ~ ~ I; ' RAD. 2. SUBSU ~Y SHALI. BE COA ' ~ ~ ` t L BE COMPACTED CLAY TO MINIMIZE INFILTRATION RATE.
NORMAL POOL 4,149 SF 249.83 10 BE PLANTED, 3 TO 6 INCHES SHALL BE ADDED TO ALL DEPTH
POND BOTTOM 2,987 SF 247.53 J l -j~ '10'~1utE,R.~ENCY ` 3 ~ ~ ~ 1 / SPILLWAI~ ~ \ - - ~ I ~ ~ 4- t/~• Raw. 3 ~n~ rw~ruwo ~ 4 ~ I o I ~ ` ~ NEW 4. WETLAND BASIN SfW.L ~ n I ' ESfA~.ISH VEGETAT~N t~V 2s' 4 y , coNSrnucno~. ~roR ro ` t INCH. TLAND FROM 1 FOOT BELOW TO 6 INCHES ABOVE THE NORMAL
~ TOP OF DAM WIDTH 5 FT. 253.50 TALL BE STABILIZED WITH HYDROSEED OR OTHER METHOD TO
~ TION COVER IN THE WETLAND BASIN WITHIN 14 DAYS OF )RIOR TO HYDROSEEDING, SOIL SHALL BE SCARIFIED AT LEAST ONE
~ ANTI-SEEP COLLAR 72" x 72" N A
1-YEAR STORM ORIFICE 1" ORIFICE 249.83 i N r ~ ~ t~ ~ `i ~ CAP fND VIEW 5. wEnawo~~ uaswut BE 1 1 ;1 1 I ~ P~REV~ENT CIOGgNG 6. PLANTS SFWl BE PURCF~WS ` I ADVAWCE OF PW~fT1NC. MALI. BE FULLY OPENED FOR NO MORE THAN 3 DAYS PRIOR TO E.
RISER - DIA AND TOP 4' DIA. 251.50 PURCHASED FROM LOCAL NURSERIES AT LEAST 3 MONTHS IN
~ OUTLET PIPE INVERT IN 24" RCP 246.00 SING.
~ I I ~ ` SECTION VIEW 7. PurmNG sus sww. I ~ I I ~ ~ BE PLANTED IN EARLY FN T 1 ' ' ~ ~ 2r rVJ~~NURJGn~ b~IV~G V! II I ti i ~ M1D $FIADE UNTiI THE PW j ' ~ I ~ ~ ~ 11. PLAMS SFiN.I BE Pt,4NTE0 i SHALL BE FROM EARLY APRIL TO MID-JUNE. SOME SPECIES MAY kRLY FALL.
~ OUTLET PIPE INVERT OUT 24" RCP 244.50 F~ _ SHALL BE CONSULTED FOR OPTIMAL PLANT SPACING.
- ~ ~ , ~ ice/ ~RS sApa' M 9 ~ ~ \ EASEMENT 3 N~ ~ IG, WETLAND SHALL BE STAKED AS TO ITS RESPECTIVE DEPTHS AND AFTER SHAPING OF THE BOTTOM OF THE WETLANDS.
f ~ ~ ~ ~i \ ~ `mot' 4RE OF WETLANDS SHALL. INCLUDE FREQUENT WATERING, FERTILIZING, ~
THE PLANTS ARE PLACED IN THEIR RESPECTIVE WETLAND AREAS. PLANTED IN ACCORDANCE WITH STANDARD NURSERY PRACTICES.
\ ~ 3' OR?FUaE OR~LLED 12. NORMAL POOL LEVEL SHALL THREADED IN CAP. SaREETI 7+D ESTABLISHED. IN DRY PER 1 ' J f ~ ~ CAP TOP VIEW ~ cxocawc. CowDmoNS. /EL SHALL BE MONITORED UNTIL THE PLANT MATERIAL HAS BEEN
STORMWATER CONSTRUCTED WETLAND PLANT SCHEDULE DRY PERIODS, WATER SHALL BE ADDED TO MAINTAIN MOIST
ZONE 1 . ~ ' 13. ALL Pl/IKfS IN YYE111WD A ~ ~ ~ 1 14. ALL. PLANTS SFWl BE PL 1 ~ -MMD AREA SHALL. BE 4' POTTED PLANTS.
62 CA Carex spp. Sedges - / ~ ~ - L BE PLANTED AT LEAST 10' O.C.
44 CE Ceratophyllum demersum Coontail
~ 30 LE Lemna sp. Duckweed
63 PO Potamogeton pectinatus Pondweed ~ /
~ 37 PV Peltandra virginia Arrow Arum ~ ~ ~ ~ ~ ~ j1 ~ 1 J \ ~ / I ORIFICE CAP DETAIL 0slaosoooo0oo000o° e•e CAR, °o° & oeeoeoeee eee
~ 33 VA Valisneria americans Wild Celery n ZONE 2 ~ I ~ ~f I BMP 1.1 -CONSTRUCTED WETLAND ee• of ASS/p ° eq °eo o Q~ / o 0
36 AC Acorus calamus Sweet Flag I 1 I ( ~ o o
48 AV Andropogon virginicus Broomsedge S A S °
~ 63 PA Panicum vergatum Switchgrass e
BMP #1.1 -PLANTING SCHEDULE iLE ° o ° e o °~°eFNG I N~~~ ~ •eee
e00e00 o0 • ~Gj ee
SCALE: ~ n = 20~ yL• ee ooo• v
1 ~ 1 1
Sheet No.
~ No. Revision Date B Designer Scale KW AS NOTED ATER MANAGEMENT PLAN WITHERS &pw RA) AVENEL
~ Drawn By Date WENDELL FALLS - SF1 STORMWAT
DLP JFW 07L24,/2007 SURVEYORS 5*0
Checked By Job No. Wake County North Carolina IL BMP ~ ~ 1 ENGINEERS 1 PLANNERS I SU 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-4 fax: [phone] www.witherrsravenel.com
g KW 02050261.04 Wendell i
Y

rrr~
EARTHEN BERM EMERGENCY SPILLWAY ~ ~ \ l ••a i
EL.=23.00 qtr. . ~ ~ ~ l'
-TT'~ 2 x~ i 1 r r''r 1 ~
''=1 I I-III-1 = - 1=1 I I.- ~ , .~i } ~ r PAD 27.4 ..r~ j / 'fir ~ ~'4 REBAR f2' .o. ~ O.C ETCH WAY 1 'PROD JWM
~ ~ . , ~ I ~ EL. 222.00 - ~ ~ ~,~,rs' " ~ - _ ~ ~ 235 r, ~z• wroF
PAD 23 .
1 ti w.~ PAD-234.1 -
~ t PAD-134.6 ,r " . ~
l i ~ t Pico-13~.~ PAD - •
~ ~ ~ ~ ~ ~ ~ / PAD - 236.1 PA 22.40 23 PAD-236.60 ~ ~
EMERGENCY SPILLWAY ~ ' PA~2 NTS l 1 \ .i.i...,.,,,, W r,,..»w''~ - ~ ~
+h~N ~ M
I 1 \ ` l \ 1 v~
! 1 "rye, ~ tir.` •~r M.~ ~'~r `y,~ ~.'Snti river .war /M ~/r~ w~/.~"- •
~ ` ~
y . `w...,... r,.?+ - - ~ ELEI/ATION SECTION
4 REBAR 7YP. - 2e ~rr~c~w,wm SEE BMP SECTION FOR SIZING DATA
INTERMEDIATE /4 REBAR RING ~ Hlpl MARSM +Z1 / 1337 ~ . ea~n~ caua
HOH I~CN YARSFI . - +~a~ pow w~ +~a +~a~ i TYPICAL ANTI-SEEP COL(AR - BMP#1.2
- N ~ ` r,.,....r- / - NTS TRAS / ~~2. TRASH RACK:
CD / r~ 4 / ~ X4.0 ~ OP DAN ~ 1/2w GALV. STEEL
\ I i ~ MAX MAX OPENING = 12" HORIZONTAL
/4 REBAR RING m / 'r EE NOTE FOR % ~ SPAiCING j ~ ~ \ _ (SEC - (SECULERLY ATTACHED TO CONCRETE RISER)
.r"" ~ ww.rr...,. ..a...y..... .....wur.,. w.nr.~ +..~a"" • • ~Ilr • • ~.r~ ~ r r /
,,rte ~ . w~~ • . ~wr • rA• • fr • \ + •r _ i~r r r ~ r r r / ~ y' I" / ~ ' , ~
59' / ~~i ~ ,i / / •s . \
.r-~ ~ ...r.•a / ~ ~ o...48 DIA PRECAST RISER
/ ~4 REBAR TR/5F1 RACK (ABdVE) ~ ~ ~ .~c .~iC ~ ~ " arc ~ .mac 4' DIA ~ 1qP QF RISER S1RUC7URE ELEVA7101V ~ 221.58 ~~.~~f NO NOTE:
i i i I' \ ~ ~ / / ~ v. , ~ PLACE STEU SUPPORTS
~ ANCHOR TRASH RACK TO MANHOLE WALL WITH FOUR EGW~I.I.Y SPACED HOT-DIPPED GALVANIZED STEEL CLAwIPS. EJ~CH CLAMP ~ ~ _ . ~ \ / AT 3' FROM BASE
~ \ / v ~
ATfACHEO TO MIWHOLE RISER 8Y 2-3'x1/4' CONCRETE MICHOR . BOLTS. \ ~N N~l~~~ o'er • 1 ~ ~ _ ( cR / • Y GROUT EACH SIDE
\ ' ,I ~ •i~l~• ~ ~
~ ~ \ .
.,w.,,,. w.... ~ / 1 ~ / QRIFlCE ELEVA110N = 22Q00 4 z4' 7EE GAS 4CM. ~ AIL ~ _.y0NT SEALED WTH A-LOCK NEOPRENE
NOTE ON TRASH RACK REBAR SPACING: ~ r___ 1 ~ ~ GASKET CAST IN MANHOLE WALL
BARS SFYLLL BE EQUALLY SPACED; 15 BARS (14 OPEN ~ ST ~ES) AM RNGM,MIHOIE RISER. (EJ1CH SPACE a 13.2't \ ~ ~ f ~ / 4' D!P
REBAR 2js ~ ~ / 4' NRS GA1E VALVE 30' "0-RING GASKET" RCP
LEAVE END OF GA1E ~ , - /f J ~ VALVE OPEN.
1 \ TRASH RACK DETAIL NTS,~ ~ _ / f ~ ter.. r . ~ -r-~?..~. ~ M ~ ~ \ BASIN BOTTOM ELEVA110N • ?17.00 4x4 1EE
. / ~ / ` / " / ? --+-~~"'n'~ emu`
i~~ i~~ ~ PA1~E0 INVERT ~ _ ~ ~j~~/~~/~~/~~/~~/~~j~~/~ ~ t, GROUT 8 GROUT 8'
r • • ~ / r"'~ ..r .ter- s
,
RCP RISER
4 L
WATER LEVEL DURING STORM 1' MIN. FREEBOARD TOP OF DAM • • D V 8,-Ow
_ TRASH RACK\ RISER & DRAWDOWN DEVICE DETAIL -FOR BMP 1.2 1.2
~ ~ r •

T YtAK t W W A l l tNUA I IUN t-'UUL ~ ~
- - MINI ~S, VENT AROUGH
SCREEN ACCESSIBLE THROUG DOOR
PERMANENT POOL ~5' DEPTH VARIES FOR HIGH/LOW MARS _ ~
TEMPORARY SKIMMER ' ' : NOTE: SKIMMER MAY VARY
. . SLIGHTLY FROM
MICRO-POOL ~ - ~ ILLUSTRATION
PAD 229.4 r
ANTI-FLOATATION DEVICE . ~
• ` ~ FLOAT
ANTI-SEEP COLLAR ~ -III- ~ ~ r'
I ~ ~ ~ ~ l -
NOTE: RISER BARREL, SKIMMER AND OUTLET PIPE SHALL PAD 27,4 i ~ _ j OUTLET END; CONNECTION
BE INSTALLED PRIOR TO THE BEGINNING OF OVERALL SITE GRADING AND SHALL BE PAD-23 . ~ .r- ~ ~ ~ _ ~ TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN SHOWN
UTILIZED AS A SEDIMENT CONTROL DEVICE BARREL . . , _ ~ NOT INCLUDED WITH SKIMMER
DURING ROADWAY AND UTILITY CONSTRUCTION. C R 0 S S S E C TI O N 70 ~F 30" ONCE SITE HAS BEEN STABILIZED AND GRADING ~ 1.43% PAD - 234,1 h \ ~ PAD-234.6 ~ ~ SUPPLIED BY USER
~ ~ ~ ~ o t. ~ PAD-235,1 ~ ~ ~
IS COMPLETED THE BASIN SHALL BE CLEANED i ~ PAD - \ FLEXIBLE JOINT
OUT AND STABILIZED. THE SKIMMER DEVICE _ / ~ ~ ,f / PAD - 236. pAD-236.60
SHALL BE REMOVED. r' ? ~ 1 ` ~ T ~ BMP SKIMMER DETAIL - BMP#1.2 (FOR SEDIMENTATION & EROSIO ~ I . - ROSION CONTROL
~ ~
CONSTRUCTED WETLANDS DESIGN r ~ C~- ,..r
ter.. ~ ~ - ~ CONSTRUCTED CA_ THREADED ;TED WETLANDS NOTES.*
PA e PA - 108 y~w 1. IF WEIIAND WAS USED AS )SED AS SEDIMENTATION BASIN OR TRAP, BASIN MUST BE
DIMENSIONS ELEV. ' ~ - ' COMPLETELY CLEANED OUT 2. SUBSURFACE SWW. BE OO - 3. IN ARFAS TO BE TO BE P R'~. ZONES IN THE WEIl/W0 FR POOL ELEVATION. VED OUT AND GRADED. L BE COMPACTED CLAY TO MINIMIZE INFILTRATION RATE.
~ NORMAL POOL 7,243 SF 220.00 -Q r- T" 4 "0 BE PLANTED, 3 TO 6 INCHES SHALL BE ADDED TO ALL DEPTH
1 TLAND FROM 1 FOOT BELOW TO 6 INCHES ABOVE THE NORMAL
POND BOTTOM 5,288 SF 218.50 ~ TALL BE STABILIZED WITH HYDROSEED OR OTHER METHOD TO
~ TOP OF DAM WIDTH 5 FT. 224.00 ~ ~ -,~Qi F Dvo 3/4' RAO. 4~ ESTA~1SHO VEGETATION COV - VIEW CONSTRUCTION. PR~R TO PON COVER IN THE WETLAND BASIN WITHIN 14 DAYS OF
~ ANTI-SEEP COLLAR 78" x 78" N A r.-~ ~ i INCH. PRIOR TO HYDROSEEDING, SOIL SHALL BE SCARIFIED AT LEAST ONE
1-YEAR STORM ORIFICE 1.5" ORIFICE 222.00 ~ 5. WERIWD DRAIN SFW.L 8E TALL BE FULLY OPENED FOR NO MORE THAN 3 DAYS PRIOR TO
~ ~ ; ~ 1HE PLANi1NG QATE. ~ ' ~ ~ - 6. PIIIMS SHNJ. BE PURCWIS • - • - ~ ~ ' ~,G ~ i~ c~ ro CAP END VIEW gpyq~ of Puwnr~G. E. PURCHASED FROM LOCAL. NURSERIES AT LEAST 3 MONTHS IN
~ RISER - DIA AND TOP 4' DIA. 221.58 /1 / ~ ~ STING.
OUTLET PIPE INVERT IN 30" RCP 219.00 '~'7~' ~ / ' ~ ,4~r„ ~ ~ • ar~v~vr ciocanr~ 7. PLANTING SEASONS SHALT. 65 v ~ ~ ~ sECnoN ~nEw 8. oui `sfw i ~ 9. PRIOR TO PLAf~fi1WG, WETU ~ '~JE' ~ ~ f/'"~"" L 4~ GRADES VERIFIED AFTER SF \ ~ ~ ~ ~ 10. POST-NURSERY GORE OF W ~i. ~ ~ ,,,5,~,~ / _ ~ ~ Z~ ~-5 AND SFWDE UNill THE PL 11. PLM115 SHALL. BE PLANTED SHALL BE FROM EARLY APRIL TO MID-JUNE: SOME SPECIES MAY IRLY FALL.
~ OUTLET PIPE INVERT OUT 30" RCP 218.00 / / ' . • SHALL BE CONSULTED FOR OPTIMAL PLANT SPACING.
~ ~ N ~ ~ fit, , , ~c ~ ~ G. WETLAND SHAD. BE STAKED AS TO ITS RESPECTIVE DEPTHS AND AFTER SHAPING OF THE BOTTOM OF THE WETLANDS.
~ kRE OF WETLANDS SHALL INCLUDE FREQUENT WATERING, FERTILIZING,
\ G/' THE PLANTS ARE PLACED IN THEIR RESPECTIVE WETLAND AREAS.
\ r' ~2. ?~wu. Poa. ~v~t. sHau PLANTED IN ACCORDANCE WITH STANDARD NURSERY PRACTICES. FEL SHALL BE MONITORED UNTIL THE PLANT MATERIAL HAS BEEN
STORMWATER CONSTRUCTED WETLAND PLANT SCHEDULE f ~ esrneusHa~. is oRr ~ ~ pREyEIyT q ppp~yG, 13. ALT. PLANTS IN WEItANO AR .N;j~ } ~ ~ 'i` CAP TOP VIEW t4. N.L Pl1WT5 SFWl BE PLA i /,j/ - DRY PERIODS, WATER SHALL BE ADDED TO MAINTAIN MOIST
1 l 7LAND AREA SHALL. BE 4" POTTED PLANT'S.
ZONE 1 • ,pit pit pit ~L / . BE PLANTED AT LEAST 10' O.C.
108 CA Carex spp. Sedges ~
60 CE Ceratophyllum demersum Coontail ~ ~ ~ "''1 ""+w • ~ / I
~ 55 LE Lemna sp. Duckweed ~ 109 PO Potamogeton pectinatus Pondweed
~h 58 PV Peltandra virginia Arrow Arum r' ~ ~
~ 78 VA Valisneria americana Wild Celery i 041666690808008
n ZONE 2 , / / err' ~ ,.,w~ ~ wr +r ~ s!~. ~i~~„~,.' ~ _ ! ~ ~ ~ ~ . -.-T~r~" - r ORIFICE CAP DETAIL '~\A CAR • o•• OR 0066966660 O •voo
78 AC Acorus calamus Sweet Flag BMP # 1.2 -CONSTRUCTED WETLAND ~SS 4b ~o o o° ono ` o Q
g 115 AV Andropogon virginicus Broomsedge o o $ e SE o
~ 64 PA Panicum vergatum Switchgrass 0 1 4 0
ALE 0°°
NOTE(S): o G I N~ eo .0 -fto °°oeeee°°°
• ~ ~ •
1. ALL PLANTS IN WETLAND AREA SHALL BE 4" POTTED PLANTS 000000 •00s$% cool -7 1 ~
i9 I IL wl
1
NO. R@VISIOn Date B Designer Scale
KW AS NOTED AtTER MANAGEMENT PLAN WITHERS &Pmw RA)
Drawn By Date WENDELL FALLS - SF1 S 0 RMWAT !AV Fm N E L Sheet No.
DLP JFW 07/24/2007 Checked By Job No. 5.1 SURVEYORS
Wake County North illL BMP ~ ~ •Z ENGINEERS I PLANNERS 1 SUN 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919- fax: [phone] www.withersravenel.com
g KW 02050261.04 Wendell

EARTHEN BERM EMERGENCY SPILLWAY / /
/ i
EL = 223.00 ~'"f y ~
(_I I i_I _ I_I I I- ~ / / ~'4 REB~R 12' O.C. EACH WAY •
~~~,~,~~~~I~~~~~~~I ~IIEL.III 222I~ I~~ ~~ill~~~~i~,~~~- / f~LLE7?. f2' N90E
10
/ -
r--.-
EMERGENCY SPILLWAY / I \ I I
NTS J ~ f + I I
/ ~ ~
~ ~ /
~ ~ ~+2~ 2 MARSH
/ 1 FOREBAY 1235 +21 .5 l ~ ELEVATION SECTION
~ _ REEK pAR iYP. / ~ 1229 SF +212.5
~ \ ~ / +212.5
~~~Ep~~ MIELD ~4 REBAR RING Tpp pF MIWHOLE LOW MA H j ~TM SEE BMP SECTION FOR SIZING DATA
RISER \ 281 F TYPICAL ANTI-SEEP COLLAR - BMP~1.3
.t n ~ J ~
~ LOW MARS . / ~ NTS TRAS ~ ~ ~~2~ TRASH RACK:
....~~'''-te ~4 REBAR RING f~~T~ EE NOTE FOR +212.5 +213. .~T,.~~~, ~ 2814 SF / MAX / (SEC j _ 4' DIA TOP Qf' RlSER S1RUC1t1R£ ELEVAflON ~ 215.75 1/2w GALV. STEEL MAX OPENING = 12" HORIZONTAL
(SECULERLY ATTACHED TO CONCRETE RISER)
SP/1CING
59' ~ \ 212.5 M12R ~PSOL ~ / ~ ~ ~ ~ +213.5 I ~ 2 ~
\ ~ HIGH MARSH /
~4 REBAR TRASH RACK (ABOVE) \ ~ ~ \ ~ 16~i0 SF , 4' DIA PRECAST RISER
~ +213.5 / \ NO / t PLA NOTE: PLACE STEM SUPPORTS
~ ~ / \ ~_n AT AT 3' FROM BASE
ANCHOR TRISH RACK TO AbWHOLE WALL WRH FOUR EOU/1LL.Y SPACED HOT-DIPPED GALVANRED STEEL CLAMPS. EACH CLAMP ~
ATTACHED TO AIMIHOLE RISER B'Y 2-3'xt/4' CONCRETE ANCHOR _ ~ ALTS. / \ ~ / / ~ M1~
/ ; mil' OF 218.0 C ~ \ / y GROI / 490' EL GROUT EACH SIDE
~ ~ ZOI~E \ ~
NRB ~ _ MNT SEALED WITH A-LOCK NEOPRENE
NOTE ON TRASH RACK REBAR SPACING: \ ~ ORIFICE ELEVA110N ~ Z14.00 4"X4' 1EE ~ / J 4'x3' TAPPED ~0 ~ ~ / CAP. SEE DETAIL GASKET CAST IN MANHOLE WALL
S AROUBND MANHOLE PRISER (EACH ~~E ~P 13.2't / _ _ ~ 4' D1P
AT ~4 REBAR RING). . \ ~ 4' l~?S GA1E VALVE ~
Vi1LVE O~PEM GA1E 420 '00-RING GASKET" RCP
~ ~ ~ SPILLW ~jyRB '~`B ~ ~ BASIN BOTTOM ELEVA110N ~ 21250 4x4 7EE
~ \ 1 ~
/ / ~ ~~\j PAbED INVERT N•t; GROAT 6 j ROUT 6'
TRASH RACK DETAIL (NTS~ ~ RCP RISER
WATER LEVEL DURING STORM 1' MIN. FREEBOARD TOP OF DAM ~F DAM EL. Z,B.oo BMP #1.3- CONSTRUCTED WETLANDS -o DS ~ ~ L
- - TRASH RACK RISER & DRAWDOWN DEVICE DERAIL -FOR BMP X 1.3 ' 1.3
SCALE: 1 " = 20' NTS
_ I I I rtr~?r~ rwn? r? i icrvur~ ii~rv ruu~ ~ 1-
- _ ~5, - MINI PERMANENT POOLI ~ - ~5' /MINIMUM SLOPE 2 : 1 VENT
SCREEN ACCESSIBLE THROUG DOOR -TROUGH
DEPTH VARIES FOR HIGH/LOW MARS -
NOTE:
TEMPORARY SKIMMER ' ' ~ SKIMMER MAY VARY
MICRO-POOL ~ SLIGHTLY FROM ~ ILLUSTRATION
- ~ - ~~O
ANTI-FLOATATION DEVICE
~ l -I /~O~ i'
ANTI-SEEP COLLAR ~ ~ -Ij- i ~ ~ ~ ~ FLOAT
1
NOTE: RISER BARREL, SKIMMER AND OUTLET PIPE SHALL = , - OUTLET END; CONNECTION
BE INSTALLED PRIOR TO THE BEGINNING TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN
OF OVERALL SITE GRADING AND SHALL BE UTILIZED AS A SEDIMENT CONTROL DEVICE BARREL SHOWN
DURING ROADWAY AND UTILITY CONSTRUCTION. C R 0 S S S E C TI O N ~ $6 LF 36" EL ~ .F 36" "0-RING GASKET" NOT INCLUDED WITH SKIMMER SUPPLIED BY USER
ONCE SITE HAS BEEN STABILIZED AND GRADING ~ 0.61 i1.R
IS COMPLETED THE BASIN SHALL BE CLEANED ~i \ ~ ~ ~ ~ ~ ~~2 ~f4O FLEXIBLE JOINT
OUT AND STABILIZED. THE SKIMMER DEVICE
SHALL BE REMOVED. - BMP SKIMMER DETAIL - BMP#1.3 (FOR SEDIMENTATION & EROSIO / ~ ?OSION CONTROL).
CONSTRUCTED WETLANDS DESIGN
~ • CONSTRUCTED • / ~w 1. IF WEItANO WAS USED AS S / ~ COMPLETELY CLEUVED OUT I 2. SUBSU~ACE SFWLL BE COMP 3. IN AREAS TO ~ TO BE PLAN / ~ ' RAD. ZONES IN THE WEIIAWD FRO ~ Pooi. a~vnnoN. FED WETLANDS NOTES:
ED AS SEDIMENTATION BASIN OR TRAP BASIN MUST BE
~ DIMENSIONS ELEV. D OUT AND GRADED.
~ NORMAL POOL 8,132 SF 214.00 ~ ~ ~ ~ BE COMPACTED CLAY TO MINIMIZE INFILTRATION RATE.
BE PLANTED, 3 TO 6 INCHES SHALL. BE ADDED TO ALL DEPTH AND FROM 1 FOOT BQOW TO 6 INCHES ABOVE THE NORMAL
POND BOTTOM 5,733 SF 212.50
Y TOP OF DAM WIDTH 5 FT. 218.00 • ~ ~ END 4. 1/2' RAD. 4. WE7UW0 BASIN SWW. BE ST / N~ CONS'1RUCTroN. APRIOR ~ INCH. LL BE STABILIZED WITH fMROSEED OR OTHER METHOD TO 1N COVER IN THE Wn.AND BASIN WITHIN 14 DAYS OF
~ ANTI-SEEP COLLAR 102" x 102" N A \ AV IOR TO HYDROSEEDING, SOIL SHALL BE SCARIFIED AT LEAST ONE
~ 1-YEAR STORM ORIFICE 1" ORIFICE 214.00 85 ~ \ a a as ~ 5. WE'IUWD OfL41N SFWl BE FU 1HE PLANi1NG OVI7E. LL BE FULLY OPENED - FOR NO MORE THAN 3 DAYS PRIOR TO
c
RISER - DIA AND TOP 4' DIA. 215.75 ~ ~ ~ a Q~a~ ~ oa~roE va~um CAP END VIEW s. r~uwr5 sw?u. BE PuRCfwsE ~ IN CAP. SCREEN TO AOVIWCE OF PUWTIW6. URCHASED FROM LOCAL NURSERIES AT LEAST 3 MONTHS IN VG.
OUTLET PIPE INVERT IN 42" RCP 212.50 / PREbENT lxOGpNG 7. PLNVTING SEASONS SFULL 8E SHALL BE FROM EARLY APRIL TO MID-JUNE. SOME SPECIES MAY
~ OUTLET PIPE INVERT OUT 42" RCP 212.00 SECTION VIEW e. SouRCE~ a~ swW. BE .Y FALL.
~r~ \ \ HALL BE CONSULTED FOR OPTIMAL PLANT SPACING. WETLAND SHALL BE STAKED AS TO ITS RESPECTIVE DEPTHS AND
~ ` ~ ~ 4• ~ 9. GRADES VERIFlEDNAfTER SHAP ~ 10. POST-S~RSEftY CARE TER SHAPING OF THE BOTTOM OF THE WETLANDS.
E OF WETLANDS SHAD. INCLUDE FREQUENT WATERING, FERTILIZING, HE PLANTS ARE PLACED IN THEIR RESPECTlVE WETLAND AREAS.
\ 2~ 11. PLANTS SFWl BE PLAWTED IN !ANTED IN ACCORDANCE WITH STANDARD NURSERY PRACTICES.
STORMWATER CONSTRUCTED WETLAND PLANT SCHEDULE 12. NORMAL POOL LEVEL SFW.L B L / ~ ESTABLISHED. M DRY PERI0 ~ THREADED N• ~P SCREEN ' n CONDITIONS. . SHALL BE MONITORED UNTIL THE PLANT MATERIAL HAS BEEN 3'Y PERIODS, WATER SHALL BE ADDED TO MAINTAIN MOIST
_ X70 ~ ~ OF 218.0
ZONE 1 ZOIJE ~ PRESENT p oGpNG. 13. ALL PUWTS IN WETUWD ARE O RB C,AP TOP VIEW 14. ALL PLANTS SHNI BE PUWT ~ ~ \ \ AND AREA SHALL BE 4" POTTED PLANTS.
123 CA Carex spp. Sedges 3E PLANTED AT LEAST 10' O.C.
71 CE Ceratophyllum demersum Coontail ~ 70 LE Lemna sp. Duckweed \ AC ~ ~ X-
~ 122 PO Potamogeton pectinatus Pondweed i ~
b~ 70 PV Peltandra virginia Arrow Arum ~ \
~ 70 VA Valisneria americans Wild Celery ~ ~ \ 4668610e0e8e
~ ZONE 2 \ I ~ ~ ~ ~S~LW E ~ BMP #1.3 -PLANTING SCHEDULE ~ , • ~t a ~ ORIFICE CAP DETAIL 00 °0 \A CAR a°e J e° O1~ eeeeeevee e
78 AC Acores calamus Sweet Flag . ~ ~ ~ ~ BMP ~ 1.3 -CONSTRUCTED WETLAND e~ ~?e °°~~F Es ° 9 e~i
86 AV Andropogon virginicus Broomsedge Nrs 0° o •
123 PA Panicum vergatum Switchgrass S A e 0 184 g 0
LE e °°e JC ~
NOTE(S): •~e °°°F~G I K~~ ~ ee•°i
SCALE: 1" = 20' °°eeeeeee°°e . eee ~ J~~ee
1. ALL PLANTS IN WETLAND AREA SHALL BE 4" POTTED PLANTS o 6% 'e~°e fee°e H L . DI
i
NO. ReVISIOtI Date B Designer. Scale
KW AS NOTED Drawn By Date kTER MANAGEMENT PLAN
WENDELL FALLS - SF 1 S 0 RMWATI WITHERS &pw RA BMP ~ 103 ENGINEERS i PLANNERS I SUR "EN17L Sheet No.
DLP JFlN 07/24/2007 SURVEYORS 5e.2
10;0 Checked By Job No. Wake County North Carolina]IL- 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-4
g KW 02050261.04 111Wendell ax: 919-467-6008 www.withersravenel.rnm

~ ~
\ TRASH 1/2" G MAX O (SECUL 4~a~ / TAP OF RISER SiRI/C7URE ELEVATION = 2?3.72 TRASH RACK:
1/20 GALV. STEEL
MAX OPENING = 12" HORIZONTAL (SECULERLY ATTACHED TO CONCRETE RISER)
N ~ 0
' J TOWN F / 1~ WENDEL
TORM WA / 4' DIA PRECAST RISER
~4 _R~AR 7YP. oO ~ O ASEMENT N01E NOTE:
IMERMEDIATE WELD PLAC / ~_n AT 3' PLAN STEAM SUPPORTS AT 3' FROM BASE
/4 REBAR RING TOP OF I~IWHOLE ~ J 0' E ERGEN Y ~ J
RISER (V-1 SPILLWAY ~
t N ~ F RE N ti - GROUT EACH SIDE
\ ~ 10 S ~ O 4,~~ ~ } ~
/4 RE9AR RINQ
m \ ORIFlG~ ELEVAflQN =2220 4'x4' TEE NT _ _pNT SEALED WITH A-LOCK NEOPRENE GASKET CAST IN MANHOLE WALL
EE NOTE FOR SPACING 2 4 x3' TAPPED OVA GIP. ~E DETiVL
59' r- +22 .5 4' ~P 4' NI?S GALE VALVE n-n
LEAVE END OF CA1E 30" "0-RING GASKET' RCp
z 022 ~ ~ +221 5 VALVE OPEN
~4 REBAR TRASH RAiCK (ABOVE) \ N 2 v m \ HIGH MARSH BASIN BOTTOM ELEVA110N ~ 22Q0 4'x4' 1EE
H / 22~ •5 1904 SF J ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
MICHOR TRASH RAiCK TO MAI~tOLE WALL WRIT FOUR EOUAI.LY j~/~/~//~ i~~ i\~/~~ PAVED INVERT ,;j~ =4;~ GROUT B' wT 60
SPAiCED HOT-GIPPED GALVANIZED STEEL CLAMPS. F~VCH CUMP \ ATTACHED TO WWHOLE RISER 9Y 2-3'x1/4' CONCRETE ANCHOR \ ~ ~ /
80LT5. ~ +220.5
• • ~ ~
L W MAR H 919 SF
NOTE ON TRASH RACK REBAR SP1ICING:
BARS SWILL BE EQUALLY SPACED; 15 BARS (14 OPEN +2 . ~ L ~-o-
AST ~4~ RING~~~ RISER. (E/~CH SPACE ~ 13.2 t ' ICROP +220. +22. ` ~ RISER & DRAWDOWN DEVICE DETAIL -FOR BMP #2.1 N ~ 12.1
820 SF +22 .5
1

~ + ~ H MAR 0 TOWN OF 1 22'5 1 04 SF +221. WENDE L
TRASH RACK DETAIL (NTS) ~ ~ ST RM WA R n~R~o
EASEMEN ;/4 REAR t2'
0 C. EACH WAY 112 " PREFORMED JOINT
RAD. LLER, 12' WIDE •f
\ ~ ~ r •
i - \ \ END 4. 3/4' RAD. r . r
i / i ~~o \ NEW r
i ~ ` - ~ N \ r
r •
O N \ \ ~.s- o c~ En?v wEw • N •
\ a~? cam. sa~r~ ro \ r cco~cav~ f •
~ \
\ SECTION VIEW I
~ ~ \ ~ \ 4' ~ ~ ~
~ ~ ELEVATION S 2' SECTION
2000 PSF AHN. BE41?q~G GPACIIY SEE BMP SECTION FOR SIZING DATA
f.5' ORIFlCE DRILLED ~~TM
'"~''DED 'r"o«a~?~ TYPICAL ANTI ANT!-SEEP COLLAR - BMP12, 1
CAP TOP VIEW
BMP #2.1 -CONSTRUCTED WETLANDS NT5
SCALE: 1" = 30'
57.
RCP RISER CA / . ' ORIFICE CAP DEfAII e ~
1' MIN. FREEBOARD TOP OF DAM EL ~ BMP #2.1 -CONSTRUCTED WET ~D
WATER LEVEL DURING STORM IAM EL. 226.0 I E 41 /
TRASH RACK\ 5 , ~ N o0
0~
- TOWN OF / ~
~ - PEAK FLOW ATTENUATION POOL WENDELL ~ ~
- ~ - TORM WATE EARTHEN BERM EMERGENCY SPILLWAY
~5, - MINIMU PERMANENT POOL - ~5~ AINIMUM SLOPE 3 : 7 EASEMENT EL. = 223. 00
r, .
0' EMERGEN~~ SPILLWAY A ~ 9 /
DEPTH VARIES FOR HIGH/LOW MARS ~ _ III-III-I I_I I I X ~ ~ ~ ~ EL. 225.00 ~ ~ ; ~ ~ I-
TEMPORARY SKIMMER ' ' , ~ - c~l oo '''-"i~l 11=1 I i i r-iii-iii-~ i ~ 11=~ i i- -1II '
MICRO-POOL
ANTI-FLOATATION DEVICE 23
s
ANTI-SEEP COLLAR -I EMERGENCY SPILLWA NTS 'AY
_ 2~ N /
NOTE: RISER BARREL, SKIMMER AND OUTLET PIPE SHALL ~2 2~m/
BE INSTALLED PRIOR TO THE BEGINNING N~
OF OVERALL SITE GRADING AND SHALL BE
UTILIZED AS A SEDIMENT CONTROL DEVICE BARREL D" "0-RING GASKET" V / CONSTRUCTED CTED WETLANDS NOTES:
{ DURING ROADWAY AND UTILITY CONSTRUCTION. C R 0 S S S E C TI O N 80 LF 30" "0 ~ ONCE SITE HAS BEEN STABILIZED AND GRADING ~ ~•5% 3 iF w~naNO was usm as USED AS SEDIMENTATION BASIN OR TRAP, BASIN MUST BE
IS COMPLETED THE BASIN SHALL BE CLEANED COMPLETELY CLEANED OUf 2. SUBSURFACE SHALL BE C 3. IN AREAS TO BE TO BE P ZONES IN THE WETI.IWO STORMWATER CONSTRUCTED WETLAND PLANT SCHEDULE POOL ELEVATION. ANED OUT AND GRADED. %LL BE COMPACTED CLAY TO MINIMIZE INFILTRATION RATE.
' OUT AND STABILIZED. TEMPORARY SKIMMER T0. TO BE PLANTED, 3 TO 6 INCHES SHALL BE ADDED TO ALL DEPTH
~ REMOVED AT CONVERSION. ULAND FROM 1 FOOT BELOW TO 6 INCHES ABOVE THE NORMAL
N n \ / v 4. WETLAND BASIN SWILL BE SHALL BE STABILIZED WITH HYDROSEED OR OTHER METHOD TO
h PO oo~ ~ ZONE 1 ESTABLISH VEGETATION CO CONSTRUCTION. PRIOR 1~ 82 CA Carex spp. Sedges ~~H. ATION COVER IN THE WETLAND BASIN WITHIN 14 DAYS OF PRIOR TO HYDROSEEDING, SOIL SHAD. BE SCARIFIED AT LEAST ONE
SHALL BE FULLY OPENED FOR NO MORE THAN 3 DAYS PRIOR TO %TE.
~ CONSTRUCTED WETLANDS DESIGN 1 54 CE Ceratophyllum demersum Coontail 5. wETUwD DR41N SwW. BE 55 LE Lemna sp. Duckweed THE PIANi1NG 0~41E• 82 PO Potamogeton pectinatus Pondweed 6. PLANTS SHNl BE PURGi TOWN OF 53 PV Peltandra vlrginia Arrow An~m ~N~ ~p jig E PURCHASED FROM LOCAL NURSERIES AT LEAST 3 MONTHS IN
82 ~ WTING.
WENDELL ~ 30 VA Valisneria americans Wild Celery BE PLANTED IN FARLY FAI / STORM WATER ZONE 2 s. SOURCE NURSERY SIiN.I EASEMENT g, Tp / 38 AC Acorus calamus Sweet Flag GRADES VERIFlED AFTER S CA 82 AV Andropogon virginicus Broomsedge t0. POST-NURSERY CARE OF VS SHALL BE FROM EARLY APRIL TO MID-JUNE. SOME SPECIES MAY FIRLY FALL
Y SHALL BE CONSULTED FOR OPTIMAL PLANT SPACING.
~ DIMENSIONS ELEV. ?NG, WETLAND SHALL BE STAKED AS TO ITS RESPECTIVE DEPTHS AND AFTER SHAPING OF THE BOTTOM OF THE WETLANDS.
NORMAL POOL 5,468 SF 222.00 DARE OF WETLANDS SHALL INCLUDE FREQUENT WATERING, FERTILIZING,
POND BOTTOM 3,963 SF 220.50 L THE PLANTS ARE PLACED IN THEIR RESPECTIVE WETLAND AREAS. E PLANTED IN ACCORDANCE WITH STANDARD NURSERY PRACTICES.
/ 41 71 PA Panicum vergatum Switchgrass ANO Sw1DE uNTll THE P i i. PLAMS SHALT. BE PLANTS ~ 12. NORMAL POOL LEVEL SF411 ~O NOTE(S): C~AS~~D• ?N DRr PE 13. ALL PUWTS IN WERAND 1. ALL PLANTS IN WETLAND AREA SHALL BE 4" POTTED PLANTS 14. Au. PIAN1~ SW~.I BE Pt LE :VEL SHALL BE MONITORED UNTIL THE PLANT MATERIAL HAS BEEN
TOP OF DAM WIDTH 5 FT. 226.00 J DRY PERIODS, WATER SHALL BE ADDED TO MAINTAIN MOIST
~ ANTI-SEEP COLLAR 78" x 78" N A N VETLAND AREA SHALL BE 40 POTTED PLANTS.
1-YEAR STORM ORIFICE 1.5" ORIFICE 222.00 LL BE PLANTED AT LEAST 10' O.C.
o RISER - DIA AND TOP 4' DIA. 223.72 •eeoeoeooooo®°° •
o
OUTLET PIPE INVERT IN 30" RCP 219.00 / ~ I CE N PV Av 53 e Q ° ~
OUTLET PIPE INVERT OUT 30" RCP 218.00 • 0 e S L g
~ 54 53 S
°k: °V .
c I NEB 0040,00000000
BMP #2.1 -PLANTING SCHEDULE e J~5 • oe hl L.
°°000aoo ease
i SCALE: 1" = 30 1 livi, r
Date B Designer Scale ~ NO. Revision
WEC AS NOTED ~ Drawn By Date TER MANAGEMENT PLAN WITHERS &pw RAN
WEN DELL FALLS - SF2 STORMWATE ALVWNEI Sheet No.
$ WEC 08 O1 07 Checked By Job No. SURVEYORS 6eO
Wake Counly- North Carolina BMP #2 1 ENGINEERS I PLANNERS I SUR • 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-46; x:919-467-6008 www.withersravenel.com
g w&R 205281.04 Wendell Y

I
.
EARTHEN BERM EMERGENCY SPILLWAY \ ~ EL. = 2 3.00 ' 22yt ~ ~ : .
+ I 1 ' ~ ~ ; ~ ~ j ~ E~. = 222.00 _ - ~ = (I ~ ~ _ ~ , ~ O.C. EACH WiIY • y' ~ ' JONVT
1 FILLEK,
\ t
=111, , I I I, ~ ,III= I_ a ~ i_iii~i i ~ l I~ ~i, 1 1 1, l l l- I r • • ~ 'y
III II ,o. EMERGENCY SPILLWAY
MAR 3254 SF ~ J ~
~~19.'~ 7' Z~J • ~ +212. f ~ / / / . / .
_ 1.9.1 ~ ~l
NTS ~5 ~ . . ~
TONM OF \ 211, I~N DELL ~ .
STO~RAT'WATER
EASEMENT'""" \ F AY \ / I ~ / +21 262 F l ~ ON SECTION I 1 / ELEVATI
.
~ ~ V~ ~ ~0 ~ SEE BMP SECTION FOR SIZING DATA e~HC c~w,~cm
~ 150 \ J r e~n?~°n~ c°u'~a
4 REBAR 7YP. ~1`"~ ~ 4211.5 ~ + 1 ' TYPICAL ANTI-SEEP COLLAR - BMP~2.2
IPITERMEDIA7E ~4 REBAR RING Tpp pF 6MNHOLE PA ~ ~ ~ \ L 114AR5H ' / ~ +2 1.5~ ) ~ TRASH / 1 /Y GA MAX OP (SECULE (RASH RACK:
RISER g$ 1/2w GALV. STEEL
't AAX OPENING= 12" HORIZONTAL 'SECULERLY ATTACHED TO CONCRETE RISER]
a \ ~ +211.5 +212.5 , HIGH~M~tSH ry SF / 'I
~4 REBAR RING / ~ 5 ` \ +212. ~
m ~ H~ ~7
EE N07E FOR Hlgi ARSH \ +11.5 ' ~ 2~ 287 SOW `MARSH a'
SPACING 59' O + 1 5 \ 611~~ SF MERG~ Y / 4' DU PR 7np Of' RISER SIRUCNRE ELEVA110N = 215.82 DIA PRECAST RISER
PV ~ ~ ILLW Y ~ i ° ~ l NOTE NOTE:
/ PLACE ~ AT3' / \ PLACE STEM SUPPORTS AT X FROM BASE
REBAR TRASH RACK (ABdVE~ / 1 156 I I I +211.5
/ ~N
~WCHOR 7RASN WICK TO MANHOLE WN.L WITH FOUR EOUALI.Y ` ~ N ~i +212.5 f , c. GRWT ` ~ Y - GROUT EACH SIDE
SPACED HdT-DIPPED GALVMiRED STEEL CLAMPS. F~4CH CLAMP 1 1 a CE MICROP00 ~ r-
ATT/VCHEp Tp MIWHpLE RISER BY 2-3'x1/4' CONCRETE ANCHOR BOLTS. s 1 N I f `~1, 4~~~ p' 1~ l y_
141 J I HIGH MARSH ! ~ ~ ! 4.x4. ~ T r QRIf1CE ELEVA110N ~ 2f4.00 ~ 4'x3' TAPPED _ UNT SEALED WITH A-LOCK NEOPRENE GASKET CAST IN MANHOLE WALL
2 74 SF +2t ~ / ~ 1 1 j • CAP. SEE DETAIL
~ ~ 1/ 4' DIP
NOTE ON TRASH RACK REBAR SPNCING: / BARS SHALL 8E EQU~Li.Y SPACED: 15 BARS (14 OPEN i ~ ~ t I~ A~ /l J / 4' NI25 GA1E VALVE LEAVE END AF GALE 54' "O--RING GASKET" RCP
ST/ ~ S) AROUN~D~I,MNHOLE RISER. (EAiChI SPAiCE ~ 13.2 t REBAR ~ ~ 1~ VALVE OPEN. U 4'x4' 7EE
- 122 ~j ~ co I / ~ BASN BOTTbM ELEVA110N ~ 211.50
- 2 4 ~ • ` PAVED INVERT N ~ l:Rd1T 6" K1T 6"
TRASH RACK DETAIL NTS -
i II
- ~C ~4' , TowN
1' MIN. FREEBOARD TOP OF DAM ~ M WAlER'" cVO~ ~ ~ / EAST \ ~ - 7'-0 1
RCP RISER
DAM EL. 218.50 RISER & DRAWDOWN DEVICE DETAIL -FOR BMP #2.2 12,2
WATER LEVEL DURING STORM
TRASH RACK\ ~~S ~
.2 -CONSTRUCTED WETLANDS BMP #2
JI.HLt: I av
~ ~ PEAK FLOW ATTENUATION POOL T ~ " ~ VENT SCREEN ACCESSIBLE THROUGH ROUGH
- ~ _II ~ ~5~ - MINI i ~5. ,MINIMUM SLOPE 2 1 DOOR
PERMANENT POOL ~ - - NOTE: SKIMMER MAY VARY
DEPTH VARIES FOR HIGH/LOW MARSH SLIGHTLY FROM
TEMPORARY SKIMMER - ~ ' - , ~ ` ILLUSTRATION
' r
MICRO-POOL! I - o ` l `
~2 1•` FLOAT
ANTI-FLOATATION DEVICE • ~ ~ _ / ~ ~i ~l, ~ 1 1
ANTI-SEEP COLLAR - ~ _ ~
-I- ~ o' ~ Za% • \ ~ OUTLET END; CONNECTION HAN
1 ~ 1 TO OUTLET PIPE OR RISER BARREL PIPE LONGER T ~ SHOWN
NOTE: RISER BARREL, SKIMMER AND OUTLET PIPE SHALL BE INSTALLED PRIOR TO THE BEGINNING NOT INCLUDED WITH SKIMMER
OF OVERALL SITE GRADING AND SHALL BE / , ~ SUPPLIED BY USER
UTILIZED AS A SEDIMENT CONTROL DEVICE BARREL .L '
DURING ROADWAY AND UTILITY CONSTRUCTION. C R 0 S S S E C TI O N 100 LF 54" .F 54" "0-RING GASKET" _ ~j19.47' 25• 09~ 1-.-_. / FLEXIBLE JOINT a.
ONCE SITE HAS BEEN STABILIZED AND GRADING O 1.00 ?OSION CONTROL
IS COMPLETED THE BASIN SHALL BE CLEANED ~ ~r~ BMP SKIMMER DETAIL - BMP 2.2 FOR SEDIMENTATION & EROSION ~ ~ # l
OUT AND STABILIZED. THE SKIMMER DEVICE ~1I~N~ p~ o p I 1 ~
SHALL BE REMOVED. `'.,,~.~TOR~"'ER Q 'v v ~
1~ EASEMENT`"" ~~F r ~ 't /
CONSTRUCTED WETLANDS DESIGN I I ~ CTED TM~,~ CONSTRU ,TED WETLANDS NOTES:
v~ ~ o 1. IF WETt,4N0 WAS USED AS USED AS SEDIMENTATION BASIN OR TRAP, BASIN MUST BE
~o COMPLETELY CL6U~ED OUT I J 2. SUBSURFACE SFWLL BE C0 1 ' RAD. 3. IN AREAS TO 8E TO 8E P l~ Z~a,N~ p 4~ t' RAD. 4. WETiJWO BASIN Shall 8E 64ED OUT AND GRADED. LL BE COMPACTED CLAY TO MINIMIZE INFILTRATION RATE.
DIMENSIONS ELEV. ~-,,,150 p TO BE PLANTED, 3 TO 6 INCHES SHALL BE ADDED TO All DEPTH
PA ~ VIAND FROM 1 FOOT BELOW TO 6 INCHES ABOVE THE NORMAL.
~ NORMAL POOL 22,296 SF 214.0 iftl BE STABILIZED WITH HYDROSEED OR OTHER METHOD TO
POND BOTTOM 12,533 SF 211.50 98 / / / Hwy ESfABUSH VEGEfAT10N CON (~N$TRUCTiON. PRIOR TO 4TION COVER IN THE WETLAND BASIN WITHIN 14 DAYS OF PRIOR TO HYDROSEEDING, SOIL SHALL BE SCARIFIED AT LEAST ONE
INCH.
TOP OF DAM WIDTH 5 FT. 218.50 • ~ / I/ 5. WE7tAN0 ANN SFW.L BE ;HALL BE FULLY OPENED FOR NO MORE THAN 3 DAYS PRIOR TO
ANTI-SEEP COLLAR 106" x 106" N A THE PLANTING QATE. ITE. PURCHASED FROM LOCAL. NURSERIES AT LEAST 3 MONTHS IN
~ 1-YEAR STORM ORIFICE 2" ORIFICE 214.0 \ 1~ ~ r ~m z' oa~?cE ovum CAP END VIEW s. Ptawrs swiu. eE PURCw4 ~ / ~N CAP. SCREEN m ADVANCE OF PWJTING. NTING.
RISER - DIA AND TOP 6'x6' BOX 215.82 N ? PREVEwT d.0001N~ 7. PLANTING SEASONS SFW.L iS SHALL BE FROM EARLY APRIL TO MID-JUNE. SOME SPECIES MAY -:4RLY FALL.
OUTLET PIPE INVERT IN 54" RCP 210.00 / ~ MERGER Y ~ ILLW Y RGER Y ' / / BE PlAN1ED IN E4RLY FAL .w Y I ~ SECTION VIEW s. SOURCE NURSERY SFW.L ~ ~ ~ / ~ ~ 4. ,I 9. P~~ADRES VERIP FlEO~AF'fER S (I / ~ 1 Y SHALL BE CONSULTED FOR OPTIMAL PLANT SPACING.
PV ~ p NG, KRAND SHALL BE STAKED AS TO ITS RESPECTIVE DEPTHS AND AFTER SHAPING OF THE BOTTOM OF THE ADS.
OUTLET PIPE INVERT OUT 54" RCP 209.00 156 I Z, 10. POST-NURSERY CARE OF I I Z. AND SFWDE UNTIL THE P I / / 11. PlANiS SHALL BE PUWIE f 12. NORMAL. P001. LEVEL SFW Q 1 I ~ 2' ORIFlGIE D~0 ESTABLISHED. IN DRY PE t- J 7HREAOED IN CAP. SCRE~1 TAD CONOCfIONS. CARE OF WETLANDS SHALL INCLUDE FREQUENT WATERING, FERTILIZING,
/ ~ D~ D np p~ ~ , ~ N !L THE PLANTS ARE PLACED IN THEIR RESPECTIVE WETLAND AREAS. E PLANTED IN ACCORDANCE WITH STANDARD NURSERY PRACTICES.
EVEL SHALL. BE MONITORED UNTIL THE PLANT MATERIAL. HAS BEEN
~ D ~pD 4 DRY PERIODS, WATER SHALL BE ADDED TO MAINTAIN MOIST
CE ~ D~ ~ PREVENT p.oGplV~ 13. ALL PUWTS IN VYETUWD ' CAP TOP VIEW ta. a~. Pw~rs Swou. ~ P 1 NETLAND AREA SHALL BE 4" POTTED PLANTS.
STORMWATER CONSTRUCTED WETLAND PLANT SCHEDULE 141 ' DDpp ~ ~ N t LL BE PLANTED AT LEAST 10' O.C.
ZONE 1 262 CA Carex spp. Sedges l ~ /
381 CE Ceratophyllum demersum Coontail / ~
~ 90 LE Lemna sp. Duckweed 00000000000000
N 264 PO Potamogeton pectinatus Pondweed ~ 1~ CAI? 0000 0000°
be 115 PV Peltandra virginia Arrow Arum ~ 2 4 I ORIFICE CAP DETAIL J~ ~0 4OF ON ° '9 °•o e •
~ 119 VA Valisneria americana Wild Celery o ZONE 2 / ~ - - - - - -7 - ~ ~ ~ ~ BMP X2.2 -CONSTRUCTED WETL4ND • e 6 e • e • e • ° S L e °
298 AC Aconas calamus Sweet Flag 0 Nrs 0 • e
219 AV Andropogon virginicus Broomsedge e ° 0 oG s 0 e
208 PA Panicum vergatum Switchgrass )LE °ooo° FNG i lo-it
BMP #2.2 -PLANTING SCHEDUL SCALE: 1 " = 30' 00060000 °°~ooo hl L
00000000
1,7
Sheet No.
&pw RA ENGINEERS I PLANNERS I SU IAVE:NEL 1 SURVEYORS 601
~ NO. ReVIS1011 Date B Designer Scale m WEC AS NOTED 'ATER MANAGEMENT PLAN WITHERS
Drawn By Date WENDELL FALLS - SF2 STORMWAJ
$ WEC 08/01107-- BMP # 2s2 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919 fax: [phone] www.withersravenel.com
`r Checked By job No. Wake County North Carolina
g W&R 205261.04 Wendell

J r r a s
r 1 ~ r i } , . 5 ^,.I - + • r,,i,~ . - , i i
CONSTRUCTED WETLANDS NOTES: y . • i ~
1. IF WETLAWD WAS USED AS SEDMIEDiifAilON BASIN OR TRAP, BASIN AN1ST 8E QOMR4H~,Y ~1~01~'i Olii I1ND r r. ~ L. t 1 ~ • C? \ ~
GRADED. 2. SUBSURFACE SHALL BE COf~IPACTED CUIY TO MINIMIZE INFlLiRATION RAZE : ,.~.~,.....r~ r e r, ~ LOT 274 /4 ~R t2'
3. IN ARE4S TO BE 70 BE PLANTED. 3 TO 6 INCHES SHALL BE ADDED TO ALI. DEPTH ZONES IN THE WETLAND • h~ r, . - ~ O.C. ElCtl WAY 1 /2' PREFORAIFD JOlM
FROM 1 FOOT BQ.OW TO 6 INCHES ABOVE THE NORAIAI. POOL ELEYA710N. 4. WETLAND BASIN SFUILL 8E SfABIUZED WITH HYOROSEED OR OTHER METHOD TO ESTA6USH VEGETATION COVER IN ~ ~ r.... ~ r r. 'w. ~ ~ "~.m., 1 , ~ FlLLER. 12' N90F
THE WE71lWD BASIN WITHIN 14 QAYS OF CONSTRUCTION. PRIOR TO HYDROSEEDlNG. SOIL SHALL BE SG4RIFlED , n ~ • r • • r r ..n.a... ' m... r. ~r..~ ` ~ y t
AT LEAST ONE INCH. 5. WETLAND DRAIN SFiAI.L BE FULLY OPENED FOR NO MORE TWW 3 QAYS PR~R TO 1HE PLANTING DATE. \ ~4
6. PUWTS SFWl BE PURCHASED FROM LOCAI. NURSERIES AT LEAST 3 MONTHS IN ADVANCE OF PLANTING. ~.w ,,r t. • 4~" ~ /
7. PLANING SEASONS SFWl BE FROM EARLY APRIL TO MID-JUNE. SOME SPECIES AWY BE PLANTED IN EARLY ,,i'°~ FAIJ.. ' ~ ' ~ ~ ~ • r I ~7
8. SOURCE NURSERY SWLLL BE CONSUlTEO FOR OPTiMAI. PLIWT SPACING. 'r • • ,per''"h ~ • ~ r ~ ~ ~ • • ~ ~o~
9. PRIOR TO PLANTING, WE7lAN0 SWILL BE STAKED AS TO ITS RESPECTNE DEPTHS AND GRADES VERIFlED AFTER SHAPING OF THE BOTTOM OF THE WETLANDS. • rr,., o
10. POST-NURSERY CARE OF WEfUWDS SHNJ. INCLUDE FREWENT WATERING, FERTILIZING, AND SHADE UNill 1HE - ~ ~ , • ~ •
PLANTS ARE PLACED IN THEIR RESPECTNE WEItIWD AREAS. 11. PLANTS SHALL 8E PLANTED IN ACCOROyWCE WITH STANDVIRD NURSERY PRACTICES. . ~ ~ • ~ r s ~IIfGGI~ ~ , , y ~ ~ A ~
12. NORMAL POOL LEVEL SFUW. BE MONfTORED UNTIL THE PUWf MATERIAL WIS BEEN ESTABLISHED. IN DRY •
PERIODS, WATER SHNl BE ADDED TO MAIMAIN MOIST CONDITIONS. - ~ ~ • ~ ~ ~ ~IA • • ~ I'r • . ~ ~ •
13. ALL PLANTS IN WETLAND AREA SWILL BE 4' POTTED PUWiS. 14. ALL PLANTS SHALL BE PLANTED AT LE4ST 10' O.C. ~ e"~ • ' f a~'`~a ~ ELEVATION SECTION ~ ~ `t
• ` ~ I' ~ ~ • ~ ~ ~ ~ ~ • ,r,r' 2000 PSF AIIN.
_ ' , • M~r~ f , 1 ` ` ~ ; N ~~TM ~ SEE 8MP SECTION FOR S?ZlNG DATA
4 REB/1R IYP. / INi'ERMEDIAIE ~ ` /4 REBAR RING ~ OF WWNOLE ...r. ~ wr"'" • r. r.. ~
' J. •.r' ~ ~ ~ TYPICAL ANTI-SEEP COLLAR - BMP#3.1
r ~ r. RIVER RIP'RIIIf00 1C~ ' BUFFER nrrs
+ N A _ r +215,5 r ; ~ , , . .r , r ~ r. r ! ,r , , ~ ~ d
~r ' r•.. .mot `J. ~ , ~ M'
• ~ r , r 0 . :r Z HIOM uARSH i ' r , , i . . ~ TRAS MAX (SECU ~Y TRASH RACK:
~ /4 REBAft RING / SP/~CINNOGTE FOR r..... ~ ~ ' I V~ .r z r r r ~ r rI { r r / ,,..-r +215,6 li J ~ J{ Jr r. r..r , ti. r . 1/2" GALV. STEEL MAX OPENING = 12" HORIZONTAL
r Y ~ r v .i ~ i is r " r r _ ~ ~ .i (SECULERLY ATTACHED TO CONCRETE RISER)
59' r: ' ~ . . l ~tl• +2145 I'. i r ~ ` F~REBA ! ' 7670 ~I' 11 . T 4.5
r r !r u r r J r~ r ~ 4 ~ +215.5 , . . ~ ~ ~ r,,, ~ ~ 4~ a~ I roP aF ~s~ sn~ucn~~ a.~v~nav - zn ~ 4' DIA PRECAST RISER
J i rY,~,r, :r. LOW t~iARSN +215 No ja a_n AT .a - ~ ~ aro I ~ NOTE.-
~4 REBAR TRASH RACK (/~BO~k~ ~ ~ ~ ~ +214.5 r',,. f ~r r r ~ ~ ~ Mk y ~~~p PLACE STEAD/ SUPPORTS AT 3' FROM BASE
i +214,5 t r ~V ~ ~ r F f111R1 ~Alf~ f ` ?214 r ' ~ 7470 ~ , a2eo sr:
ANCHOR 7RI5H RACK TO MANHOLE WALL WITH FOUR EOWW.Y r ~ ~ HI~1 IiARSH a „ 3 215 ' , Z1 7470 SF
SPAiCED HOT-DIPPED GAWANIZED STEEL CLAMPS. EACH CLAMP ATTACHED TO MANHOLE RISER BY 2-3'x1/4' CONCRETE ANCHOR r' i +215.5 ~ 2155 +215,5 a J GROUT EACH SIDE
BOLTS. / f / r , + r d ' J ' ' r r J r f . i ~_n
i f I r r ! ~ # I f I
. ; . r J 2~ ~ 2 ' Y 2r i ~ ` { i I F M 1~ r ORIFICE ELEVA710N ~ 216.00 4'x4' 7EE N . !sAS 23y ~ CAP. SAIL ~-n ,",OVNT SEALED IWTH A-LOCK NEOPRENE GASKET CAST IN MANHOLE WALL
NOTE ON TRASH W4CK REBAft SPApNG: ~ , ~ J y J ~ K " i ~ , ~ I Y
9ARS SWELL 8E EQUALLY SPACED; 15 BARS (14 OPEN ~ 225. r i! Y' r'~'' ~'f 'a Y I f ~ 4' D1P
~/M ~ AROUND~A,tMIHOLE RISER. (EACH SPACE = 13.2't/ r r r ~ F~BAft ' ~I ~ ! E J~ 1 ~ I 1 , r 4' /~iS GA1E VALVE h~~ LEAVE END GF GA1E 36' "0-RING GASKET' RCP
1 J 23~ r j 't I ' ~ 1 r E~ ~ M ~ ~ VALVE OPEN.
r ~ ~ { A ~ r. I ~ r'~ ~ 235 ' i BASIN BOTTOM ELEVA7lOIV s 214.50 4'x4' TEE
f I.~
' ~ , r I' ? i~~/~~ i\~~~~~ PAVFO INVERT a GROUT 6' ROUT 6'
TRASH RACK DETAIL NTS ~ r ~ ,
r , r • ~
RCP RISER i
• V V
1' MIN. FREEBOARD TOP OF DAM WATER LEVEL DURING STORM ~ u DS
_ TRASH RACK\ RISER & ORAWDOWN DEVICE DETAIL -FOR BMP 3.1 3.1
ff 1 • NTS
1
1 DC A V CI /1\1/ A TTr'\11 1 A TIA\1 P1/1A1
~ rcr?n r~~rr /11 ILIVU/'111VIV rvv~ ~ ~ i
-r _
- 15, MIN ~ ~5, VENT SCREEN ACCESSIBLE THROUG DOOR TROUGH
PERMANENT POOL ~
DEPTH VARIES FOR HIGH/LOW MARSIi- - ~ ~ I - NOTE:
TEMPORARY SKIMMER " ' SKIMMER MAY VARY
SLIGHTLY FROM
MICRO-POOL I ( ~ ~ = , • y ~ . ...,_...,....y u,7 ILLUSTRATION
~ . V . , ~ , • • , ~ ~ • • • • r • • o
ANTI-FLOATATION DEVICE ' ~ • • • ~ • • ~ • . , 1 • ~ • • • • . ~~a S
• • ~ • ~ • i~ • • . • • ...,L ~ • • ~ FLOAT
ANTI-SEEP COLLAR ~ ~ ~i • • • •
NOTE: RISER BARREL, SKIMMER AND OUTLET PIPE SHALL • , . • • , . 1 a' ~ ~ • • ~ . ~
BE INSTALLED PRIOR TO THE BEGINNING ' ~ • • ~ • • • • • ~ ! ~2'~°° f OUTLET END; CONNECTION ~ TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN
OF OVERALL SITE GRADING AND SHALL BE • . . • • . • • • . • i • ~ • . • „r , r' o SHOWN
UTILIZED AS A SEDIMENT CONTROL DEVICE WET POND DURING ROADWAY ANO UTILITY CONSTRUCTION. C R 0 S S S E C TI O N 125 ~F 36" " . • , • ~ • • • ` N NOT INCLUDED WITH SKIMMER
N n n . . SUPPLIED BY USER
ONCE SITE HAS BEEN STABILIZED AND GRADING ~ 0.80 E o I
IS COMPLETED THE BASIN SHALL BE CLEANED o , f 4 . ~o~ ~ . o FLEXIBLE JOINT
OUT AND STABILIZED. THE SKIMMER DEVICE • • . ~ , Q o .o • . o •
SHALL BE REMOVED. o • • s.. BMP SKIMMER DETAIL - BMP~3.1 (FOR SEDIMENTATION & EROSIO a ~ ?OSION CONTROL).
.r 1 • • • • ~ ' • ~ r 0 • . , • • ~ • O 1 • • •
CONSTRUCTED WETLANDS DESIGN • . • • e' , • • . . • • • • , . , • 1 . ,a 0 0
• . o , , .o
/ • • J • ' ~ • • , • • ~ ~ • • . ' • . o o - ~ .
4 a D o o • o 'oo - ~ ~w
DIMENSIONS ELEV. ..,,r-~'" .,4 a Ds • D 4 : D a D ~D ~ D. D ~ D oo- . I ~o
NORMAL POOL 22,296 SF 216.00 D D D D ~ D D D , , s~ , D D D ~ D D~, ~ , D D + ~t . . . ' RAD.
POND BOTTOM 16,110 SF 214.50 ,D D ~ . D D ~n~o ~ . , p p D D ~f + ~ '
D ,D f D D F D ~ D ~ s~ + • rd D D .D ~D D , • ~ ~ ENS 4. 1 1/2' RAD.
~ TOP OF DAM WIDTH 5 FT. 223.00 D~ D D . D D • . • r, ' NEW
~ ANTI-SEEP COLLAR 84" x 84" N A
~ 1-YEAR STORM ORIFICE 3" ORIFICE 216.00 a '220
RISER - DIA AND TOP 4' DIA. 217.80 r r f f ~
/ ~ f i , i r 23y ~ ~r .~D CAP END VJEW
~ OUTLET PIPE INVERT IN 36" RCP 213.00 1 F ~F ~ ~ P
~ OUTLET PIPE INVERT OUT 36" RCP 212.00 f I j e 230 1 ~ ~ SECTION VIEW
r ~ .
r ! ! - 235
1 ~ ~ a . , 3'-~ Z•
STORMWATER CONSTRUCTED WETLAND PLANT SCHEDULE ' ~ ~ 3' ORIFl(~ DRILLED
fir. ,P ,~'1 r i I 1F~tEADEO IN CAP. SCREQd 71D PREVENT p.OGplV~
ZONE 1 ~ 'r r'" ' CAP TOP VIEW
271 CA Carex spp. Sedges ~ 381 CE Ceratophyllum demersum Coontail s ' , f
90 LE Lemna sp. Duckweed R ' ~
90 PO Potamogeton pectinatos Pondweed J~ ~1 ~ ~
~ SS EQ Eleocharis Quadrangulata Spikenish I I ~ / F I . ~ +M~wvw~w V~rwn ~ flo
Q 115 PV Peitandra virginica Amow Arum Y 'Pipe,
~ 119 SL Sagittaria lancifolia Arrowhead i a"~ r • w~ , ~ ~ ORIFICE CAP DETAIL o° g~o 0000 e
ZONE 2 298 AC Acorus calamus Sweet Flag : ~ ~ BMP #3.1 -CONSTRUCTED WETLAND
251 AV Andropogon virginicus Broomsedge MS i 0 E 0
219 PA Panicum virgatum Switchgrass 98 a o e o o
ALE 0 0° vo opp p~0, % °FNC i mst, °e°~'ooo
n ~ ppp 00000000 ~o opp ~'y J~
648000 0 W$so°
NO. R@VISIOfI Date B Designer Scale
1D WEC AS NOTED Drawn By Date TER MANAGEMENT PLAN WITHIrRS F;LA)
$ 1MEC 05/25/07 WENDELL FALLS S 0 RMWATI AV Sheet No.
Checked By Job No. 16 SURVEYORS 700
g w&R 205261.04 Wendell Wake Counly North Carolina IL BMP # 3 1 ENGINEERS 1 PLANNERS I SUR • 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-41 fax: [phone] www.withersravenel.com
Y

i
CONSTRUCTED WETLANDS NOTES: A4 _~It IYP.
1. IF WEIIAND WAS USED AS SEDIMENTATION BASIN OR TROP, BASIN MUST BE COMPLETELY CLEANED OUT AND ~a~ /'4 RF9AR 12' IIEBAR IIM~IO TW OF MOM=
6240ED. ' ~ O.C. F~ICH WAY 7 2' PREFORAfED JOIM
2. SUBSURFACE SHALL BE COMPACTED CLAY TO MINIMIZE INFlLTRA110N RATE 3. IN AREAS TO BE TO BE PLANTED, 3 TO 6 INCHES SHALL. BE ADDED TO ALL DEPTH ZONES IN THE WETLAND . 72' WfDE
FROM 1 FOOT BELOW TO 6 II~HES ABOVE THE NORMAL POOL ELEVATION. 1` s • ie 04 Ffi" MW
4. WERAND BASIN SHALL BE STABILIZED WITH HYDROSEED OR OTHER MEIHOD TO ESTABLISH VEGETATION ~ °a v - NOTE F
COVER IN 1HE N?ETlANO BASIN WITFIIN 14 L1AY5 OF CONSTRUCTION. PRIOR TO HYDROSEEDING, SOIL SHALT. BE SCARIFlED AT LEAST ONE INCH. i spmw
5. WETlAWO ORNN SWILL BE FULLY OPENED FOR NO MORE THAN 3 DAYS PRIOR TO THE PLANTING DATE. .w_.._..._.. ~ HIGH MARSH SF .
6. PLAN15 SHALL BE PURCFWSED FROM LOCAL NURSERIES AT LEAST 3 MONTFIS IN ADVANCE OF PLANTING. 7. PLANTING SEASONS SFWl BE FROM EARLY APRIL TO AIID-JUNE. SOME SPECIES MAY BE PLANTED IN +231. 04 RWR WICK (*BDM
EARLY FALL.. ~ r o
8. SOURCE NURSERY SWILL BE CONSULTED FOR OPT)MAL PlANf SPACING. 9. PRIOR TO PLANTING, WE1UW0 SHN.L BE STAKED AS TO ITS RESPECTIVE DEPTHS AND GRADES VERIFlED LOW MARSH 2530 SF ~ !f ANC" 1RW RNX TO MANHOLE WALL " FOUR EQUALLY WAM A ~10 MM HM F Z i/c 4"OON~~IM N fi
AFTER SHAPING OF 1HE BOTTOM OF THE WERAWDS. co fV ~ ~ NXTL
10. POST-NURSERY CARE OF WERANOS SHALL. INCLUDE FREQUENT WATERING fER1)LIZING. AND SHADE UNTiI THE PLANTS ARE PLACED IN THEIR RESPECTNE WER/WD AREAS. +230.5 +230.5 ,F ~
11. PUWTS SFW1. 8E PLANTED IN ACCORDWNCE WRH STANQARO NURSERY PRACTICES.
12. NORMAL. POOL LEVEL SF4W. BE MONfTORED UNTIL THE PLANT MAIERW. FWS BEEN ESTABLISHED. IN DRY PERIODS, WATER SHALL BE ADDED TO MNNTAIN MOIST COND1110NS. +2 ~5 HIGH MARSH ~ G? ELEYATfON SECTION ~ ~ ~ wis ~nvc~rw~rn SEE BMP SECTION FOR SIZING DATA NOTE ON YP.# l WICK REM SPAC•M BARS *KL K E4LVUY WA= is BARS 14 OPEN
~ 2665 SF +231. MW m 1* WAQW AM" MMM~oLE RLSER. (IF" 3H RACK DETAIL (NTS)
s~~n~ coup
10'-,EMERGENCY , SPILLWAY +230. s TYPICAL ANTI-SEEP COLLAR - BMP 3.2 TRASH
~
~ . +23 . HIGH MARSH ~
• 19
+231.;.5 LOW MAR H f `t'~ TRASH TRASH RACK:
2530 S 1 /2" MAX 0 (SEGU v 4• a~ F TOP QF RISER S1RUCIURE ELEVAAON ~ 2.3:x75 1/2w GALV. STEEL .0 i
MAX OPENING = 12" HORIZONTAL
(SECULERLY ATTACHED TO CONCRETE RISER)
HIGH MARSH .4' DIA PRECAST RISER
RCP RISER +230. ~ 2665 SF N07 PLA ~ N ~ NO7E PLACE STEAM SUPPORTS
1' MiN. FREEBOARD TOP OF DAM +231.5 AT 3 ~ ' c.~ AT 3' FROM BASE
WATER LEVEL DURING STORM 'DAM EL. 236.00 ~`'~.ti
_ - TRASH RACK\ - ~ n ` .f t,~., GRaU ~_n - GROUT EACH SIDE
' MICROPOOL
~ I-I I I - 1070 SF
~ ~ I ~ PEAK FLOW ATTENUATION POOL ~j ORfflCE ELEVA'I?ON ~ 232.0 4'x4' TEE 4'x?' TAPPED ~1 `JOINT SEALED Wf TH A-LOCK NEOPRENE
~~t GASKET CAST IN MANHOLE WALL
~ i MINI -I 'S, ~ MINIMUM SLOPE 2 : 1 CAP. SEE DETAIL 4' OlP I
I ' ~-I 5 T 4' NRS GA1E VALVE ~
PERMANENT POOL LEAVE END OF GA1E ViLLVE OPEN. 248' 00-RING GASKET' RCP
DEPTH VARIES FOR HIGH/LOW MARS ~ BASIN BOTTt7M ELEVAIIQN ~ 23016 4'x4' 7EE
TEMPORARY SKIMMER ' ' `~3p...
MICRO-P00~ ~ • ~ PAVED INVERT 4. plWT B' DUT 6'
_ T~_ •
ANTI-FLOATATION DEVICE \
. , • ~ •''j .i
ANTI-SEEP COLLAR ~ ~ -
L L
NOTE: RISER BARREL, SKIMMER AND OUTLET PIPE SHALL . L../ ~~-o•
BE INSTALLED PRIOR TO THE BEGINNING _ . . ~ RISER & DRAWDOWN DEVICE DErA1L -FOR BMP X3.2 J3.2
OF OVERALL SITE GRADING AND SHALL BE _ NTS
UTILIZED AS A SEDIMENT CONTROL DEVICE WETLAND BA DURING ROADWAY AND UTILITY CONSTRUCTION._ R C) S ~ ~ F C: TI n N 76 LF 24" " D.'--NE-~1'SE ND BARREL RIVER RIPARIAN
24" "0-RING GASKET" ~ ci irrro / _
UNGt 51 1 t FiAS IjttN 5 I AtfILILtU ANU GKAUING ~ 7.Z4! .y,
IS COMPLETED THE BASIN SHALL BE CLEANED ~
OUT AND STABILIZED. THE SKIMMER DEVICE .
SHALL BE REMOVED. • ~1 ~ VENT
~ ~ ~"k 1 SCREEN ACCESSIBLE THROU DOOR THROUGH
CONSTRUCTED WETLANDS DESIGN ~ • NOTE:
SKIMMER MAY VARY
JS SLIGHTLY FROM
~ ~ ~ ~ ILLUSTRATION
• •
•
DIMENSIONS ELEV. • • • 74 FLOAT
• I
NORMAL POOL 7,235 SF 232.00 CA OUTLET END; CONNECTION
POND BOTTOM 5,400 SF 230.50 • ; TO OUTLET PIPE OR RISER BARREL PIPE LONGER THAN i
TOP OF DAM WIDTH 10 FT. 236.00 -a SHOWN
ANTI-SEEP COLLAR 72" x 72" N A ~ NOT INCLUDED WITH SKIMMER
1-YEAR STORM ORIFICE 2" ORIFICE 232.00 ~ r O SUPPLIED BY USER
TOP OF RISER 4' DIA. 233.75 • • I ~1 FLEXIBLE JOINT
OUTLET PIPE INVERT IN 24" RCP 230.50 • i ~ ti
OUTLET PIPE INVERT OUT 24" RCP 225.00 • • ~ ~ • ~ ~ ~ BMP SKIMMER DETAIL - BMP#3.2 (FOR SEDIMENTATION & E p Can & EROSION CONTROL).
• ~ • • ~ • ~ ~ ~
~ ~ ~ ~ ~ • • ~ ~ ~ ~ ~ ~ ~ • • • • ~
~ ~ • ~ • ~ • • • ~ ~ ~ ~ ~ ~ ~ ~
~ ~ • ~ ~ TMa~~v~v
• • • r` cA~ vN.vE
~ STORMWATER CONSTRUCTED WETLAND PLANT SCHEDULE W
• ~ 'Rio.
ZONE 1 74 CA Carex spp. Sedges •
119 CE Ceratophyllum demersum Coontail END 4. 1' RAD.
~ 35 LE Lemna sp. Duckweed • NEW
g 75 PO Potamogeton pectinatos Pondweed •
28 EQ Eleocharis quadrangulata Spikenash • • • • • ~
44 PV Peftandra virginica Art~ow Arum • ~ • • ~ ~ • • • ~ •
27 SL Sagittaria lancifolia Arrowhead • • • • ~ ~ • • • ~ • • • ~ ~ • • • 2' ORIFICE DRILLED nv can. sc~n? ro CAP END VfEW
ZONE 2 • • ~ • ~ ~ • • ~ ~ • • ~ • • PREVENT f.Y00pNG
~ 86 AC Acorus calamus Sweet Flag 109 AV Andropogon virginicus Broomsedge • • ~ / ~ • • ~ • • ~ ~ ~ • ~ ~ ~ sECnoN wErv
71 PA Panicum virgatum Switchgrass • • • • ~ • ~ ~ • • ~ L I~- 4'
• • ~ • ~
• ~ • • cS, z, z.
~ ~ • • ti
• X ~ z- oai~?cE oRium
NOTE(S): O n~~om n~ c~ scRmu m p ~v~r?r cxoca~v~.
1. ALL PLANTS IN WETLAND AREA SHALL BE 4" POTTED PLANTS • CAP TOP V1EW
•
M 000000.0....00000.
b~ i CA °°o 0~0 L 000000 e0O
• • S o f,9 00 06 0 N 0 0
• • 0o Q 0 0 o
ORIFICE CAP DETAIL A °
• BMP #3.2 -CONSTRUCTED WETLAND , 1 0
• • ° ° ° V °oe O NG ! NEC' ~~v •o• se iil/ 00000000000 •
• • o°°I pj H L. , 0000
~°00000 ooooeoo
r
.0000 SCALE: 1" = 20' V
No. Revision Date B Designer Scale
'D WEC AS NOTED C -4 Drawn By Date ATE R MANAGEMENT PLAN
$ WEC 05/25/07 WEN DELL FALLS STO RMWATE WITHIr-RS &POW FZAV ALVENWL Sheet No.
6 Checked By Job No. SURVEYORS 7el
'8~ WdcR 205261.04 111Wendell Wake County North Carolina BMP ~ 3e2 ENGINEERS I PLANNERS I SUR 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 9196 c:919-467-6008 www.withersrevenel.oom