20010071 Ver 1_MAPS_20010118

:'~FM wY.w~~,w.v.,w,49warti
I i _ STORM DESIGN ~ GRAVEL & RIP RAP FILTER BASIN DESIGN
1 ALL CONST O RUCTION SHALL BE IN AC ~ CORDANCE WITH TOWN OF CAR` (11 BENCHMARK I I 1 TD TYPE/PIM DiA LENGTH SLDPE 010 UPSTREAM DDWN~TR AM
STANDARD SPECIFI ) S RIM OF EXISTING MANHOLE AT LOT CATIONS AND DETAILS REVISED JULY 22, 1993, 28, ELEV. 366.30 ~ (IN) (FT) E SEDIMENT DENUDED DP,AINAGE BASiN DIMENSipNS WEIR VDLUME CLEANDUT VOLUME (CFS> INVERT INVERT BASIN AREA AREA DEPTH LENGTH WIDTH LENGTH PROVIDED FRED REQUIRED
(2) THE CONTRACTOR SHAL (12) DENUDED AREA = 9.1 ACRES - LOCATION (AC) (AC) T (FT) (FT) (F) (MONTHS) (CF) (FT) (F) C ' CB41 CB43/314,64 12 27 0,93 1,1 369, JO 369,45
L USE EXTREME CARE TO AVOID DI ~ EXISTING STREA STURBING i ; _ 1 ~ M CHANNEL DURING SEWER LINE CONSTRUCTION. A' CB4O CB42/314,64 12 85 1,47 3 369,25 368,00 FES 50 0,8 1.0 S 27 13,5 4 1458 12 1440 ~~;~1 CB40 N/n 36 53 1,89 63
SANITARY SEWER PIPE STRE - (1~) TOPOGRAPHIC INFORMATION TAKEN FROM FIELD SURV AM CROSSINGS AND DISTURBANCES SHE.. F,E. EY BY WITHERS & 362,50 361,50 FES 60 i,l 1,3 S 32 16 5 2048 12 1980 CB40/375,93 FES 80 1,9 3,9 5 42 21 10 3528 12 3420
PROTECTED WITH 22" CLASS 1 RIP- RAVENEL. -a5 RAP WITH FABRIC UNDERLINER. 3 '~?53 CB52 CB53/384,73 12 27 2.22 3.5 380,30 379,70 FES 41 0,8 1,2 5 27 13,5 5 1458 12 1440
r;c~ I ~;s~ LOTS 27/28 0,4 0,4 5 19 9.5 4 722 12 720 CB51 CB52/384.73 15 ll7 2,82 8.0 377,77
(15) IF STORM CROSS DRAINAGE CAN NOT BE INSTALL ~z~t (3) ALL MANHOLES LOCATED ED PRIOR TO GRA OUTSIDE OF STREET RIGHT-OF-WAY SHALL TOC STD. 4 ~ DING, CE'S1 FES5O CB51/379,50 15 l24 5,20 10,2 374.20 367,7 I 5
HAVE A RIM ELEVATION ONE F .11 SHALL BE USED TO CROSS WET WEATHER CHANNE OOT ABOVE FINISHED GRADE. LS, I ~_:I ' r::! FES6O CB61/401.80 12 130 9,91 , NpTE~ DEPTH ALLOWS FOR 1' OF FREEBOARD, I 3.6 396.50 38 ,50
4 WATER (1E) CONTRACTOR SHALL ENSURE GRADING OPERATION i •
O LINE SHALL BE 2~ M IS CONDUCTED !N INIMUM OFF EDGE OF CURB UNLESS SHC MANNER THAT DOES NOT ALLOW OTHERWISE, ANY STORM WATER TO POND, - CB78 CB79/419,43 12 126 8,49 5,1 414,50 403,80 - CB77 CB78/408,62 t5 134 2,99 8,3 402,00 396,00
CB76 CB77/4O4 , 11 18 26 2, 31 l l , S 397, 60 397, Do VELOCITY DISSIPATOR DESIGN
17 STORM WATER ~ ' (5) WATER MAINS SHA _ ( ) DISCHARGES INTO CRABTREE CR,-EK TR LL BE LAID AT LEAST 10 FEET LATERALLY MEA IBUTARY, CB71 CB76/4Oa,ll 18 31 2.58 12,2 396,80 396,00 OUTLET q PIPE DIA, V1O LENGTH OUTLET DOWNSTREAM RiP RAP RIP RAP
EDGE TO EDGE FROM EXISTIN SU~ ~ - _ G OR PROPOSED SANITARY OR STORM 18 ALL CATCH BAST _ (L) WIDTH WIDTH THICKNESS CLASS CB81 CB82/404,9O 12 56 1,79 3 400,20 399,20
SEWER UNLESS T ( ) NS AND YARD INLETS THAT EMPTY IN ~~a^, HE ELEVATIONS OF THE BOTTOM OF THEW TO CROSS DRAI,~ _ FES80 CB81/405,95 12 150 5,33 (INCHES) (FT/SEC) (FEET) (FEET) (FEET) (iNCHES) 4 399,00 391.00
IS AT LEAST 18 INCH ATER MA • STRUCTURES OR HEADWALLS SHALL BE PROTECTED WITH ES ABOVE THE TOP OF THE SEWER WITH BLOCK AND HORIZONTAL SEPARATION OF A GRAVEL FILTERS. (TOC STD. DETAIL 4,13)
AT LEAST 3 FEET. c ~ •",~5; 50 15 i1,9 7,5 4,5 8 22 I CONSTRUCTION IS TO BE IN ACCORDANCE WITH CURRENT TOWN F 6D 12 14,9 B 3 8 22 I
19 ALL STORM DRAIN ~ r~Nt WHERE A WATER ( ) AGE PIPE SHALL BE PROTECTED MAIN AND A SANITARY SEWER CRO DURING CONSTRUC E O CARY 70 42 12,5 28 7 BANK-BANK 22 I :r:,NDARD SPECIFICATIONS AND DETAILS (REVISED JULY 22, 1993) 80 f2 10,a 8 3 8 22 I
VERTICAL SEPAR SS, AND THE IN ACCORDANCE WITH TOC STD. DETAIL 4.12. _ A110N IS LESS THAN 18 INCHES OR TH p ELEVATION GIVEN FDR CB IS TDP DF CURB (TDC STD 8,03) PIPE 1S TYPE 111 RCP UNLESS NOTED OTHERWISE
PASSES UNDER THE S E WATER LINE ;N>; ANITARY SEWER, THE SEWER MAIN SHAL 20 T INDICATES Q25,
DUCTILE IRON PIPE. L BE ( ) HERE IS NOT ANY FEMA FLOODPLAIN LOCATED ON THI Pp^=~ ~ T S _ Y
PER FIRM MAPS 37183C0292E & 37183C0311E BOTH DATEC !~~-~u 1 3, 993. ~ EROSION CONTROL LEGEND
ALL WATER LINES SHALL BE DUCTILE IR ON PIPE, 21 CONTRACTOR SHALL P - - ~ (56 ~
( ) ROVIDE RIP RAP LINED TAIL DIT CHS AT _ ~ ~ I (6) ALL WATER SERVIC DRAINAGE PIPE DISCHARGE POINTS AS REQUIRED T - ~ ~ I
ES SHALL BE 3/4 TYPE K COPP 0 ENSURE P~.: SERVICES SHALL BE 4" ER AND ALL SEND" DRAINAGE. ~ SCHEDULE 40 PVC, ` ~ RIP RAP FILTER BA51N ~ ,
7 C 22 0 ~ O ONTRACTOR SHALL ( ) UTSIDE DROPS FOR MANHOLES SHALL BE CO - MAINTAIN ALL EROSION CONTROL STR NSTRUCTED AS PAR ~ _ -x- SILT FENCE
DURING THE LIFE UCTURES INITIAL MANHOLE CONSTRUCTION. ~ OF THE PROJECT. ~ / 83'16'2'
8 ~ ~ I O CONTRACTOR SHALL (23) CENTERLINE OF CHANNEL THROUGH MIDDLE OF - ' ~ ~ ~ ~ DIVERSION DITCH
CONSTRUCT DIVERSION DITCHES AS-N - SITE HAS BEEN DELINE~'"~ ENSURE ALL SEDIMENT I ECESSARY T: AS WETLANDS. WETLANDS DELINEATION BY S & E ~ " ~ " ' S 01'08'44" E ~A CHECK DAM
S DIRECTED INTO EROSION CONTROL M ~ C. CONTRACTOR SN~~. , EASURE. VERIFY WETLANDS PERMIT REQUIRMENTS PRIOR TO CONTTR / 31,22
UCTION, . 9) ALL CATCH BASINS SHALL BE PROTECTED WITH SILT F ° I ~ ~ ~1._ - BLOCK & GRAVEL FILTER 50 0 50 loo
NOTED OTH ENCE UNLESS (24) FFE'S FOR LOTS 27-29 SHALL / ~ ERWISE, BE MINIMUM 369.50 i _ - - ' S 88'16'4
10'a.T~TE EMENT - r _ _ 1 _ r- _
(10) CONTRACTOR SHAL ~ - - - L VERIFY LOCATION OF ALL EXISTIN 58 , 626, 22 SCALE, . _ - _ T - _ _ N _ - - . S~' E M _ _ _ _ - ~
G UTILITIES r: TO CONSTRUCTION. LOCATION PRIG, 0 / OF EXISTING UTILITIES SHOWN ON ~ ~ ! ~ 1 MH ~ - _
IS BASED ON BEST AVAILAB PLAN, a / , L E INFORMATION BUT CAN BE CON . - _ I - .
ONLY AS APPROXIMATE. SIDERED ~ ~ , , 1 59,) ~
~ ~ J/''\ .YM12 I I 1 t~ 1 - I f . I I,i I I ~ r.r'. ~ d I ,i I -ter i ~ / ,I I I _ -"r~ i
' / 1 I I / 1, z~ 1~i s I I ~ ` 111 ~ ' ~ Z . , 1.15 - ~ ~ ; ~ ~ /
~ ~ - 1 8, ~ ~ ~ ~ - ~ m I . 114: ; ~ ~ ~ ~ 1 I I 110 ; o I - I 113 ~ ~ ~ ~ ; I-+ .p i,. i i ~ ~ , j
( 7 2 , W i,' I I i i ~ I I ~ ~ (J~ ~ i : '7 ~ i ~ . i I i , ~
P ~ ~ N I'+1 I , I ' i i / ~ ~ , W I I I I ~ I I ~ ~ ~ ~
F. i , m.oH . bh / r ~ I I I ; I I ~ I ~ ~ ~ ~ I r i
' N ~ I W 61 .g ~ 1 .1 5 / 1}.pIN n rr I I I I I I ~ 112 I~~ ~J ~ ~ ~ i
i,a.~ r ~ r1 ~ 8x4 J ~ I ' j
ti I ~ 119 ; I ~ '4~ + Mi JJ/ ~ I / ~ ~ ~ ~ , I ~ 109 I
~ ~ , , V A GV , . , ~ . ,
~ . ~ . , 4, BLOW FF ~ _ _ _ .
R' i• ~ AS MBL~ ~ m
0 TRACTOR SHALL ~1 y R ~ ~ ~ ' , f ~ ti ~ , •tir w ~ ~ ~ ' 120 ~ , Mll? J XC VATS AROUND , g ~ I ~ ~ ,
~ , rte.., M l ~ r Y a _ 0 ILE & STABILIZE ~ , o
n ~ / 2 CLASS I P,IP ~ ~ k;~ _ - - ~ 6 P ~ I 3 w
CONTRA ~ ~ ~ ~ ' CTOR ~hAll ~ ,P tc i;~E,r:;~- \r ui, y~
FC~10VE EXISTIN ~ H - ~ ~ ~ ' G W,~- 368.2 ~~OE LIN(U t~ ` 1 ' ~ ~ ~ i c ~ ~ ! ~ , , II i yea .j, z ~
,r _ _ - , . N
- ~ ~ ~ \ C ~0 , , ~P D,~ i.,
~ . TE _ , ~
1 ~ i / ~ O\~ w ~ ~ 17. ~ 122 ~ ' 11~ I .r ~ fig, „ I r ~ 8x8 TAPPING SILr, u~« 1 1 ~ ~ ti , , I , c o a ~ ~ ~ ~ I p _ 8~-GV~, (RE HYDRANT ~ ~ I ~ ~
VE & VALVE , FED i '0 ; . - ~J ~ ' tJ' ~ - _ L _ _ ; 4 , ~GV ~.v 5ST TYP ~ ~ ~ H ~ ( ) ~ , ~
i0 ~ c~k 1 ' ~ ~ ~ ~
! ~ & ~ q _ , ~ ~ 107 ~ ~ ~ ~
rr. , \ c ~ .-r " ~ 123 rg o I r r~ ,r ' ! FES ~ . 6
rrr l\ r 'TEMPORAR-Y 12" P DRAIN ~ ~i 5g i 133 ~ ~ ~ ~ I r n n ~ ~ ~ ~c9 ~ 138 • ~
!PIPE, FROM CB 42 T SEDIMENT ~ 8 x4 , EE`' ' rir 0 ~Orrr ` rl ~ " M ' ASIN. CONTRACTOR SHALL` " ' ~~m
r l r; 1 ~ . ~ 8 G~ , ~ o Jr 11 ~ 'r_ U INY. OUt OF B 72 UNTIL +4°' p o' ,Ax ~ ~ I / \ _ , rrl 93 ~ r ' R WAY-JS ~A ' - - ~ , 142
~ ~r r,~o a r 9 ~ G ~ . f' ~ '
~ Ex~s-' r// - ~ ~ ~ ' ~ I . / ~ r- I m~ ~ _ / , ! , ~Jb e 1 o I 1 _ _ I " N i
, pta ~ CB 2-'~ 132 ~ . / / ,~r., ON RU ~ - - MH--19.- _ 4 _BL0W0~ - `0 , • w 106'. I ~ _ ~ B 143 ASSY (TYP)' , I i,x4 TEE , _
ri r, ! ~ ~ 1 TR NCE '1 c' ~ 1 E a, ~ 134 CB 61' ,r r ~ ~ ~ ~ ~6 _ ..ASSEMBLY.. / ~ ~ ~ ~
l r r ~r' ~i ~ b ~ ~ , r ' ~ , ! , CB N ~ ~ ,
~ ~ t-37~ , -_L-- "-1------_____~_. PT- 3+27,93 i L~I N E D., ~ - i ~ •
/ i / ~ ~ _ - _ _ _ _ ' - ~ ~ - ~c +11 ~ - oo t ~N 89 35 27~ E ~
~ 111 i l ~ i !i l (i l ~ - ~ ~ ~ ~ ~ - _ ~ ; w _ _ _ J ~0 1 a2.77 ~ S, 88 3x'32 w, ~ ~ , \ ~ + .176.$7
~ l i I j I I ~ ~ ! ~ ~ I n / ` , /r 3~ ,
R005 - I
' ~ ~ ; , , ~ : f , ~ w ; \ I _ , 131 ; ~ ~ ~ ~ 125. N w ~ ~ 127 o ~ _ ~ ~ ~ - - - ~ 105
i ~ ' ~
Ur' ~ \ ~ ~ ~ ~ 1. j z / ` c^ ~ ~ > ~ 135 I
~ / ~ ' I , ~ 144. > ~ ~ _ ~ r i o. \
~ , •s ~ii MH ~ I~ 136 ~ ~ I I r_, A
~ ~ ~ tau 4 ~ - _ 146 I _
W o I / / LOWOFF ~ ~ \ ~ ~ ~ 1 :4 , ~ ~ AS EMgLY H 14 , ~ ~1 , i I I ~ - ~ M 1 , 90 I i _ - I ~ i'
co li rl W ~ \ z lrl r, ~ - ~ ~ r ~ ,r r, DRAINAGE AREA = : % ~ - W / J 1128 rr- ` - S`~„~ FE
w HWIOO= 368.3 ~ _ \ ! 1 ~ ~ ~ 130 ~ . S~'~~ FES 60 . _ 9 _ I ~ _ _ ; ~ , I 104
i EXIST, INV, 361,22 S- ~ 501 , vj 1 6 H r, r, - ~ 1 ~ 9 ~ . ~ 9 6' 2 9 , , / 7
i ~ ~ \ •6 F ~o > ~ ~ .6 , - 1 / ~ ' ~ 145 ~ ~ ~ ~•`TEMPORARY SL0PE•~,DR~AI~1
~ _ ~ ~ 129 ti / q) ; ~ I ~ ~ - .N i ~ - - ~ ~ PIPE fROM- ~CB~ ' i0-S~DIMENT
w \ r,/ r, ~ \ \ 6~. ~ , , SILT ~ I . C•9 Sti . ~ SILT ry ~ i~ I _ I I
,l ~ ,1` ~ \ \ d ~ FEN , 1 i ~ U PLUG,,INV;~OUT~•OF..C -•76=UNTIL .FENCE .1„J~ _ o R0• I
M .-15 .,l ~ Y IS IP~VE I
2 ~ i i /7`~ fit-- ~ ~ • ~ \ \ 1 r i l ' _ - F- i vv`v _ _ ~ F CE : FES 80 ~ i
„ \ ~ ~ . / ~ 1 ~ ~ r A ~ ~ A \ 13 / -s -
/ _ . - u'7 ! - ~i
176 ~ ~ ~ , ~ \ _ , t~ -r---- o, / 1 Or ~ ~ \ _ ~ f ~ ~ , . , ~ - r . _ . -i-- r 4- GCB o - ~ .
cn I ' l ~ i' ~ - -1- 1 F : - - - - - ~ o S, 70 ~ „ - OAR
l is , i`, ~ ~ ~ ~ V I --_1_, - -1---- • ~ ~ 159 2 ~ / - 0°r' °..,~,j, _ 4 E 1 • ~ESSIO 9
~ 0 N~'• 90 1 MN 6~_ , _ 6 q ~ : 9:
I . SEAL P i + 102 ~ ,o •
~u \ ~ ~ 1 ! _ ~ - - - - - ~ ~ - ~ 16269
U + + I , , ~1, ~ i O I } 1 4~n / ~ 11 1 I 1 ~ ~ 1 8 - - ~ ~ ln, : y
~ l ! A ! ! i; ~ 6 3 , .,S 4 ' - - E. CPa
1 , 'l r ~ ~ v . -
N F- J -
2 [!1 - i L~e~liininnn
tu~turoc o~ r,~?,~? ~ _ A
fullo . „,,L at rrH vcivec tngineering & surveying' , Inc.
g No. 111 MacKe Desch tion Date B non Dave Cary, N.C. 27511 w COMMENTS , , J = Designer Scale CAD File W&R 1"=50 SH12.DWG
a WITHERS s RwEHE p7~ 9f9-469-3340 FAX [phone] ~ WATER, SANITARY SEWER, DRAINAGE STORM Drown By Dote Sheet No.
Li
AND EROSION CONTROL GAS 7/19/95 Checked By Job No.
~M, JEC 94131 of.

SILT FENCE UNTI ~ ~ L
. ifr r'i \ r 129 1 4, 'S•,`:. ~ ~ ! _ _ _ r 'TEMP ~ ,LF.F~,S~Z.O_. S..Z~ _ _ :
\ / ~ ~ _ n ~ RS N 'ARE INSTALL N F - I I -
_ _ ~ 1 ,.I 2( 1 _ I 14 I q 5 ~ ~ DITCH ~ ~ - = ~ ,
/ \ ~Z ~ -1 \ , - -
0 , s F \ moo, - . , ~ - - 1 ~ ' i ~ ~ 147 _
/ \ I~ \q - - - ~ _ ~ CB- - - 3 77 , I
/ ~ 1 ~ , , f \ \ ~/S`~ i / 1 - -r , F CE FES 8 _ ~ ; ~ _
3 , FES 30~ to 3 ~ ~ - 1 ' w ~ II - ~ 1 4 f ~ r
~ \ ~ ~ ~I~ ~ . 9 . ..v ~ , i ER\1~ A \ ~ ~ 176 , o,~ , ~ Vi N _ ; , , ~L 8 r
~ ~ F,.----- - - ~ 1 - ~ \ ~
1 159 2 ~ ~ - - ~
' ~ ~ S ~4 E~ ~ ~ ~ - w ` 00 ---MH ,76 ~ ~ '
, i t i r , , j 1~ - _ ~~i \ lrr~,. -
i ~ ~ f ~ 1 ` i~ ' , ti ` 1 / ~ f ~ ~ . A ~ ~ 1 ~ _ ~ I- 102 1 ' ~ 158 . ~ i I O I I r i0
\ f ` ti 1 1 I \ ~ i P l 1. a~ C f ~ ~ f r A - - rivfr \ ~0
1 1 1 r 4 ~ l ; f i ; r 0 ~ . t r ~ , ' 410 J I I I , ~ t - - - I - , - I ~ CB 73 ~ ~
I - I I 1
_ _ 1 ` I ~ - - - ~ I I
f ~ ~ _ ~ A 1 Vim'.. ' i~ lp~ ~t 1
_ - - . I ~ I~Iw .cal as q~ - ' NOTE;CONTRACTO. NSUR loo 400.6 ~ - - A ° - ~ ILT E RAINAGE AREA - 24
\ t AT~]R~ B~i?ASSf~S-~ v _ 101
~ ~ ~ 174 . ~ 1 ~ ~ _ CETS,71„72_ 7,. At16` ~ . ~ _ _ _ I
~ 17 r, _ ~ r ~ - _ \ - - ' TFTIS SHAL E ONE{•~Y - - - - = T-J. ~ - i
CONTRACTOR SHALL f ~~B 2~ 'H- / 162 r - - - - ~ 'CON5TR ~ ' _ ~ U~'~ING_ y i » ~ ~
REMOVE FES & ~y , _ N~ ~ _ GHER.THAIJ ~G ADF., ' MH
CONSTRUCT YI OVER ~1 ~ g, ,f _ _ _ 63 - ; ~ , EXISTING PIPE ~ ~ o, ~ , I 4' , ~ I ~ 14 ~i. ~ 167,14 ~
- ~ - MH 26 161 _ ~ ~ ~ ° . ~ o ASS`EMBL'1~ ~ ~ - r; ;
~ i 0" E , _ _ , ~ 1 , ~ ~ 161 , EXIST. MH 36 x,34 4 ; - _ _ , . I r ~-\Fkj ~ , - ~ ~ ~ U ~~SILT ST--
I o' ~ _(/g\ 8 ~ F, m , . 100 FENCE .
~ . ST1N j0~ _ - _ ~ ' ~ 1 1 i 1 ~ ~ , o~ O R \Ci ~ . a ~ ~I I
RCP ~ - ~ ~ ~ ~ 1 ' _ ~ ~ ~ _ ~ ' ~ » ~ - ~ 6x4 TEE ' ~ V. ~ V i 1 I i , r~ ~ o - ~C NF ~ - - I x4 TEE ~ - \ F J IRE HYDRANT ~ ~z ~~z4~ ~ , ~ 1 .i -
~ 79 ~ ~ ~ 1 I ~ ~ , I 1 i~ I n n ~ ~ ~i I _ - A, ~ ~ ~ ~ 6x4 REDUCE ~ ~ REDUCER ~ ~ ~ ~ ~ ~ ~ I 'ASSEMBL~f; TAP - ~ - M• - ~ ~ w
YI 10 YI 1j~ ~ ~ ~ ~ ~ `~2=4 GV. S R EK ~ - - r ~~1.~ MH 40 ~ 164 ~ ~ -4 GV. ~ s RK ~ r I ~ ~ _ ~ 1 ~ ~ ~ ~
PHASE 1 ~ , 156 I ~ ~ , ~ ~ ~ ~ . 150 + ~ ~ - - -
- ~ - ~ 1 4 BLOWOFF
- - '6 x4 REDU ER~ - ° ~'0~ F• '~MH 41 ASSEMBLY ' ~ ~ I, i -
F_1L- COt~-TftACTQ& ~ °k - -.Y g3 I F o ~ 4 0l~ wL ~ , ~ , ~ 99 ,-_~--Q~ I , I ~ \ ~ i p i W
SHALL CON T ~43y~_ ~ S F N '872043 E'. 159. , ' ~,M 43 ~ r ~ - ~ ' - ~J ` O I
YI 10 Y -1~-~Vf/ . - - G ---\1 ~ ~ ~ 1 ~ ~ 61. 2 ~ 80 - \ 1 87 ~ PIPE P OR TO _____,J~1H 8 _ _ _ '~~-N, , N , ~ ~ MH, 42 ~ MH. 42 ,13 i 155 , ~ ~ ~ , ' '
CONSTR CTlO~J ~ 1 ; - _ - ~ ~ M o ~ 1 ~ - ~ ~ - ~ ` ' I` M ~ ~ CONTRACTOR SHALL CONfiA ~ \ I ,L WIS POWELJr- \ ,
; - 172 ' - ` + - - ' 1 ~ -~~---YI 20 ' CB \ ~ d ~ ~ - ~ _ d ~ ~ ~ x ~ I OF PUBLIC SERVIC -~G I ~ ~ - - ~ E A OMPA Y AT.319-4017 \ ~ ; ' ~ , ~ ~ z,
DRAINAG AREA = 12.5 AC. ' , - ---1_. _ _ _ 1 1 _ , - ~ / II r u ° ~ r.,. ~ I EGlN1~N ~N~~~NST UCtTI~JN WI`MIN ~ 1; ~ ~
DENUDED REr~ = 1.8 AC. - Y ~ r O ; - ; . ~ r ' ~ - 1 '1 165 ~ ~ ~ I ~ I H i ~ ~ ~ ' r E GAS ASE ~ ~ ~ ~I ~ ~ ~ T.,, CONTRACT SHALL ~ ; w
(~iRED STORAGE.-=~3~40 - - CB 2 r 1 I AIN~'A4N~ I ~ \ ~ ' ,I' 1 ~11t~M OF 2~,QF C VER ,OVER ~,1 ~ ~
~ g ~ ~ A~~~LI SAT . 51 . ~ . ~ ~ ~ r 1 I ,AtlJ TIMES. I'~. I ~ ~ . ~
~ of 4 L., _ - - - . ~ - , MH 69 _ ' r ~ i I I ~ ~ ' •11 1 I i I ~ L' ~ / r ~ 154 ' ' A; ~ ; ' I I
i _ ~ ~ 1 ~ 167 ~ i ~ 1 I, ' r , 1 I I ~ _ I ~ ~
7 ~ 1 k i, - 1 1` ~ I ~ 1 I I~ ~ i 168 ~ I ~ I I I
_ 171 ~ ~ r • 1 I ~ I ~ 'M ` ~ ~ 1 1 1 , ~
; ~ ~ / 166 , ~a ~ 1 YI 23 , p - 1 1 ~ / r ~ I - I ~ 1 1 I /
1 ~ 1 i ~ , ~ ~ ' - ~ ~ 1 ~ 1 ~ ~
\ ; . ~ , M ~ 44 - ~ _ _ ~ ,I 1 ~ / t ~ ~I, i ~ ~ ~A ST ~ I I 1 I l\ . ~ , fit, ? . .r. G , , I I ' `I e y~,_ I
. ~ 1 1 8x6 REDUCER - , , I , \ - / 182 _ ~ 1 ~ \ \
1 ~ 1 / ~ A ~ . r• 152 I I 1 C C ~ 1 ~ 1 ~ F '~S . ~ , . GRAY ~ A ~
- ~ ~ 1 ~ ~ - ~ ---'--1 1 r" r~~ r ~ ~ ~ ~ \
\ ~ ~ ' % ~ _ ~ / ~ - ~ ! I I'y~ ~ ~ ~ CONSTR CTIQN ~ ~ F\F , ~ 169 I ~ ~I ~_~I ' ENTRAN~t
/ 1 ~ ~
1 - ~ - ~ ~ YI 2 / ~ , , ~ ~ ~ ~ I , ~ ( YI 25 ~ ~ C~hJNSTRUCTI 11252.57-.--' , _ r \
~ R~MOVE EXIST. ,1 ~ GRAVEL I ~I ~ , I 1 I I EyTRANCE u I I I
/ \ CONSTRUCTIO ' 1 BLOWOFF & - ~ ' " ~ 1, r` II II 1 ~ ~ R~;»d~'~EXIST, II II
/ ENIKANCE ~ TIE', TO EXIST: ~ ~ ' CC,'~'~t.C?;,,R r~.:~' REI,rC,r ~ II lu REMOVE EXIST, ~ r _ _ _ ~ d~0ltiurr a ~ n II B
/ ` 8 WATEf3L4PdE ` ~ . L'~ISTI~ , t~" ~~r~ Its.., , I ~ II III LOWOFF & \ ~.I I. I. ~ rE To Exi;T ~ v~ ~1 ~ ~ I' TIE T ~ IC . I,, 8" wAT"R' ~N~ II lil ~ 0 EXIST, \
i / 1 E><IST FES ; ! - „ III t ~ t II 8 WATERLINE
L ERCREEK , a = a II III \ , INV 415.1 II ~ II - IIIp' ~~I nlll II (~II
\ ~ , ~ ~ CONTRACTOR SHALL REMO 1 1 ~ n VIII _ ~ ii +i
I1 r i.. EXI SUBaI VISION ~ ST. CURB, GUTTER & I1~ j1 11 - I I 11 III ~ rnrnI I q n
~'`O Ise ASPHD,LT AN D REPLACE TO _(~I° 1 ® II O11 / ; WII I~~ 1 I1~ 111 OII 1 i~ ~ I D I I c,~ I I
I ALIGN W1TH FUTURE ROADW Y I l 0 001 + 11 , I I -''I I I `,I~s ~ to+oo.,, VIII ZII ~ II
G~ II Pc II 11 II VIII
r m II,1 11 III SILV ~ ''I E CRE II EK ~ Ii, i ' ili Ilii Q.. ~n
Z ~11 II I SUED 1 SI ON Z DII III .
~ II II I ~ ~II III
a ~ Z lit ~ -
-r ~ I ~ . - I
1 ~ t
~ r I ~ D
I r~1 Z
STORM DESIGN I
r I D I
z .FROM TO TYPE/RIM D[A LENGTH SLOPE 025 UPSTREAM DOWNSTREAM (IN) (FT) (CAS) INVERT INVERT Z I
Z fTl ~ I
YI25 YI24 YI25/419.5 24 58 7.41 24 416.00 411.70 r w YI24 YI23 YI24/415.00 24 138 3,26 21 411,50 407.00
YI23 CB22 Y123/409.75 24 76 1.97 3C 406,80 405.30 GRAVEL & RIP RAP FILiFR BASIN DESIGN
cn CB22 CB21 CB22/413.65 24 54 2,04 ;;1,6 405.10 404,00 ~ CB2t YI20 CB2l/410,60 24 144 4.03 3~ 2 x03.80 398,00 STRUCTURE DENUDED DRAINAGE BASIN DIMENSION; uE1R vOLUME CLEANOUi vCLUME
~ YI20 YI13 YI20/400.00 24 138 5.94 36 397.50 389,30 # AREA AREA DEPTH LENGTH u1DTH LENGTH PROVIDED FRED REQUIRED IE
z YI13 CB12 Y113/392.50 30 143 3.71 42 '9d 80 363.50 (AC) (AC) (FT) (FT) (FT) cFT) (CE> (MONTHS) tCF> CB14 CB12 CB14/397,90 15 55 1.09 4,3 " 3,?.d0 392.20 ED
w CB12 YI11 CB12/397.80 30 139 3.45 49 383.OG 378.20 FES 30 0.6 1 5 24 12 4 1152
12 lcao z Ylli YI10 Y111/38t.5 30 38 1.84 50.5 378.00 377.30 LOT 51 0.6 1,7 S 24 12 n 1152 12 0 1 80 ~ Y110 YI10/380.0 50,6 LOT 4 0,7 1.3 5 26 13 5 1352 12 1260 Gi30 080
w LOT 5 1 3.5 5 30 15 ~ IR00 l2 1600 26D
J I LL' CB31 FES30 CB31/426,45 12 165 17.58 3,6 * 418.00 389,00 z 600
LL' NOTE DEPTH ALLCIuS Ff1F' I' OF FREEBOARD,
1 ~ iu r-1 a •n 1.' 1 I 1. ~.~i r~~, u~, r~~. -.n ~ Jb/4 Lb/;! JH/4/4UJ.U 4~ l14 u./y by ~7J,iU Jy4,5U CULVERT CONSTRUCTION SEQUENCE
CB73 CB72 CB73/406,77 42 26 0,96 71 394.40 394,15 CB72 CB71 CB72/406,77 42 72 1.35 71 394,00 393,00 I, I,VIJII(Nl,lUlf ~IINLL IIJJINLL ILMI'VltNltl JU" l,Ml' IUIC
CB7l FES70 CB71/404.35 42 116 1,29 90 392.50 391.00 TEMPORARY CREEK CROSSING. EROSION CONTROL LEG END
VELOCITY DISSIPATOR DESIGN CAR 2. CONTRACTOR SHALL DIVERT EXISTING CHANNEL. ~~N.••••. 0!
NOTES. gg ''••.~ti'•. RIP RAP FILTER BASIN EE 10 9 ;
~ -ALL CONSTRUCTION IS TO BE IN ACCORDANCE WITH CURRENT TOuN ~F CARY OUTLET a P]PE DIA, Vl0 LENGTH OUTLET DOWNSTREAM RIP RAP R[P RAP m -STANDARD SPECIFICATIONS AND DETAILS (REVISED JULY 22, 1993; (INCHES) (F- c(L) WIDTH WIDTH THICKNESS CLASS 3. CONTRACTOR SHALL GRADE ON ~ ~ tiy~ LY AS REQUIRED TO = Q ~ i
RIM ELEVATION GIVEN FOR CB IS TOP pF CURB (TOC STD 8,03) T/SEC) FEET) (FEET) (FEET> l]NCHES) CONSTRUCT STORM DRAINAGE SYSTEM FROM FES 70 SEAL ;
-RIM ELEVATION GIVEN FOR YI [S TOP pF GRATE (TOC STD 8,02> _ m TO FES 75 AND SANITARY SEWER FR SILT FENCE 16 OM MH 16 TO MH 20. s 2fi9 •
m -JB IS CONCRETE MANHOLE W/ RING & COVER 20 30 ` -ALL PIPE IS TYPE III RCP UNLESS NOTED OTHERWISE 3 15,2 20 5 8 22 1 o INDICATES 010. 0 12 16,5 8 3 ~ 22 ~ y X54 f° Q DIVERSION DITCH '.9 '•:`~tilNt-`'~•
-w 4. CONTRACTOR SHALL INSTALL SEDIMENT BASINS AND '•~'F"'•••••••'' DIVERSION DITCH S P~~
ES AS SHOWN ON PLANS AND BEGIN E' C ~ CHECK DAM •~e•ueN~ LOT AND ROADWAY FILL.
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WITHERS & RAVENEL Engineering & Surveying, Inc.
m No. Description Ed 111 MacKenan Drive - Cary, N.C. 27511 A Tcc Is REVIEW C MM Nr " [ SILVERCRE Designer Scale CAD File
REVSED R 7 P R A S CO 1 J %OTHE& AVE;EL 919-469-3340 FAX [phone] WATER SANITARY f SEWER STORM DRAINAGE W&R 1"=50' SHT3,DWG
0 0~~ AND EROSION f Drawn By Dale Sheet No. T T GAS 7/19/95 1 [Checked By Job No.
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"This certf es that this co ~ of this plat accurately depicts the boundary of the junsd>cbon of Sectior, 4(' ~ ~ s9.wLZee _ _ _ _ ~n 1Vater Act as determined the undersigned on this date. Unless there is a chang^ in the law - N ~+9'B~s,92t of the Cte. by • E se59808.87916 ~ - 111dE Dt4ECT10rJ CISI•ANCE S 88' 16 55 E 626.26' L 1 N 81'20'21' E 121.51'
orour ublishcd regulations, this detemunation of section 4O•t jurisdiction may be relied upon for a periE:d p ~ _ _ _ _ _ _ _ _ _ LZ S 21'x3'1 E 110.16'
not to exceed five years from this date, .This determination was made utiliung the 1987 Corps of h~ _ L3 S 78'16'03 E - SO.dO' - 14 S 4T21'S2 E 84.39'
Engineers Wetlands Delineation Manual." .~h.•. LS S 35'42'(3" E 81.85' -
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L8 N 34'33'11 E 40.46'
- 6. ` 19 5 21'20'55 E 6.52' L10 S 74'18'30 E 99.82'
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