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a INDEX OF SHEETS
i EXISTING CbNDIT14NS SW 1
STQRM DRAINAGE PLAN SW 2
GRADING I'~LAN SW 3
~`~~,~,P WET DETENTIaN PQND DETAILS SW 4
i C I / / ~ 1 I ~ ~I t1t,;(I1~ LEVEL SPREADER DETAILS SW 5
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PULTE HaME CC~RPQRATIC~~
T 1 PORATE CENTER DRIVE SUI E 1 8 801 COR 801 CC~RPQRATE CENTER DRIVE, SUITE 118
~i07 RALEIGH I~JC 27 ANNERS I SURVEYORS ENGINEERS I PL RALEIGH, NC 27b07
1 -11 TELEPHONE. [phone] _ 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: 919-~b7 6008 www.withersravenel vithersraveneLcom TELEPHtJNE: {919) 816-1100
FAX: [phone] FAX: [phone].
ATTAt. DAI~ITIV tllt.l!` ATTN: RANDY KING
h l I ICI: N1iY1.11 IYIIVU
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, ! MIDLAND TRYON LLC • / / i 111 I 1 / 1
,~'i ' J _ _ PIN # 0772-67 69 ~ 1 ~~~I 11 1, ~ ~I{ l N,F
_.w / i - , ,~DB 11416 PG 1918 1 ~ ~ i~ 1 MIDLAND TRYON EAST, LLC
% • , N f / 'i, IN ' ; 1 7 EX SPUTTER BOX ' r r I 1 ~ ~ { , PIN # 077.2-77-0966
--SS , I . ; r /2a, DISCHARGE . ; r. i 1~ ~ DB 1.2497 PG 978 ~ I 1. ~ 1
/ 1 ~..._i'1 } I , /15 DISCHARGE' r 1 l / .J• 1• ~ ~ I S~} : ~ i r 1 ( y
i ; , . / 1 ; ~ ~ / / . i I , 50 ACCESS EASEMENT I EMENT I ~ ~ ~ ~ ~L i ~ ~ ~ 1
/ ~ 1 ~ I~ ~ J DB 3494 PG f 8, ~
_ l J r I 'i i "t0, r SUPERSEDED EASEMENT •I • ' f ~ ` %j- ~t G ""i IN DB 3390 PG721 ` iEMENT ~ ~
c .1 ; i 1 , !/!i f ' /i~l 1, \ 1 \ r ~ t / , o ~ t BOUNDARY LINE TABLE
-.1,,..,.'~0 : ; • % 1 ~ 'r 1, ~ I ~ ~ ~ ~ ~ ~ ~ ~ 1 l~ LINE LENGTH BEARING
A I ITION CO. - 1 I , I . l - • 1' , I , TRY4 VILLAGE Q S / :,"J I r r f ~ / r`~~~ ,a, t I ' _a~ ; ~ ~ ~ ~ ! 1 ~ 1{ I BL1 83'41'58"W ~ ~ ~ ~ { 2.OD s
C/O] MGRGAN INV' MGMNT. ' ~ ` ~ ~4;~ ~ I ' I~ ,r''\ ! i J~= ~ . ,`;I I ~ r, BL2 7,69 SO6 i6 31 E
IN # 0772-58-7069 - - n ~ ~ „ ~ I~ , M \ 1 ~ ~;1' h ~ _ f
ov , DB 12957 PG1i67 i Ir ,s - =i., , ! i --may l~ ~ ~ i,i • ~ 1~ / ,
/ V ry,, I ~ , i ' 11 BOUNDARY CURVE TABLE
, r ~ n p / f I 7 / I 1 " ( i r~'T ' ~ i r ~ 1 1 (y ,1 ~ ~ l,ti CURVE RADIUS LENGTH CHORD LENGTH CHORD BEARING DELTA TANGENT
fi / t . .j. i r ` ~1 1 ~ ~ / i ~ ~ 1 , i / ~ " r, JUV ~Y 1 S S { s / 1 1 ~ ~ ' r e 1 / f ~ / r ; / ~ ~ / +.+r+..rwa..r. I {6 ~ N~~ , BC1 100.37 .57.$4 57.04 N2fi 49 27"W 33 01 O7 29.75
rr~ i~ BC2 1519.00 345;39' 345»38' N05'28'32"W 1'43b5" 172.71'
r / , ` , ~ / , ~ / l I / / 1. / , / / 1~ / 1 / 1 ',`li ~ 1~ ~ ~qS ~ , " {``l~a~~` BC3 3750.00' 39.62' 39,fi2' N05'S4'S0"W 0'36'19" 19.81'
r / ~ / / /f / ~ ! \aa r ~ / / / r / r ~ P~' J 1 1 1 ~ n 1 a ~ \ sc~ ~ / / i / ~ ,i, / / / 0' / ,l / , t / ~ ~ i ~ / r r 1 1 1 / ~ / 1 1 1 / 1 ti _ I I I~ I DEVELOPER: .OWNER:
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~ ~ w 11~, PULTE HOME CORPORATION PULTE HOME CORPORATION
\ ~ / / / fly°• :rOi/ i / ` / 9„,.~ / f' / / / 1 I l ~ / ~ 1 , ` ti 801 CORPORATE ENTER DRIVE Y I ~ I. ~ ~ ` ~ f , ~ ~ 801 CORPORATE CENTER DRIVE C
~ , ~ ~y~, SUITE 118 SUITE 11$
\ /"///i~~' ~i, / / i 'N ~/r r ' j ! 1 IP n~f1 I 1 ~ ,-J ~ ~ I I I ~ \ ~ ~ ~ i l1, RALEIGH, NORTH CAROLINA, 27'607 RALEIGH, NORTH CAROLINA, 27607
~ ~ I ~ , , ~ ; ~ , TEL. (919} 816-1100 FAX. (9 i 9} 816-1196 .TEL. [phone] FAX. (919) 816- i 196
• € ~ ~ ~ I ATTN: RANDY KING ATTN: RANDY .KING
z i i r ~ ~ ~ ~ ~ CONTACT CONSULTANT:
\ 1 r / •i ~ • ~ J nJJ~ ~ J \ ~ / i' L ! f , / r \~L.«-/1 ~ t / ~ i 1) ~ 1 P , QI,
~ ~ ~ ' t ~ ~ l WITHERS & RAVENEL, INC. T F ARY
' ~ ' v I~ ~ t ~ ~ ~ } b~ ~ 1'~'l i 111 MACKENAN DRIVE OWN O C - -
/ ~s!' . ' j'~ .ii ~ ' 0 / / / , • ' ' ~ i J ' % ' ~ i ~ i I ~ /1' 0 7``---' ~~RMANENT SLOPE EASE1i1EN , \ \ , / •r " : ' i' ~ / ! ~ / rL ~ ~ / / . " r' I i I ~ i N / DB 004-PG 2 61 4. EASE1ilEN ~ ~ a PROJECT # 06 SP 018 A Pc 256 € ~ . % ~ l~t ~ CARY, NORTH CAROLINA, 2751 i
L,~ ~~I a ~ ~ 1, ~ ~ ~`1 ~ TEL. [phone] FAX. [phone]
I ~ ~ ~ ~ ATTN: KENNETH L. JESNECK, PE
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- s~ ~ 1 I f l J / ~ ~ 1 I / ~ /,1' ,A / ~ ~ : 1 ~ 1 ~ ~ - 1 I r \ ~ . ~ ~ ~ AK NTY PIN NUM R: 0772674511 REID !D ; 0331370 /~5` I ~ j W E CDU BE ~
RI'RAP' l r / ~ ; 20' ~ N C 1 / i ~ 1 I I ~ ~ ~ ~ / i Imo' \ I -rbR' /o ~I~ ' ` ` \
[N STREA /NNEL f r , : ~ ' ~ , I t S~1VIT j' j! ~ , i \ \ ` / _ ~ \ ~ ,i t Ja
~ r r i / ~ 1~B 2D07 P,~192=19$: + 1 1 \ \ 1 } / ~ \ ~ i ~ J {
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i fi, / • - ' , ~ I Y ~ / ~ I I I ~ ~ / ' T I~~c C4~JNTRY' DEVEL'4PERS : o i•• ~I ~ti~ ~ , ~ ~ ~ ~ ~ t, l ~ ~ ~ EXISTING CONDITIONS NQTES:
i / ! ' 1 ~ i ~ t \t ~ I• I I \ \ \ ~ / T,WIl1u11NTON r ~ r~ - ~ ~ r ` ~ ~ i. EXISTING CONDIT€ONS PLANS PROVIDED BY JOHN R. MCADAMS.
~ ~ ~ ~ 2. BEARINGS ARE BASED ON NC GRID NAD 83.
~~h . • `l• i ' , ~ / ~ I y/ 11 I K I ~ ~ . ~ I ~l, r P # 0772-67-451'~~ \ m a o \ ~ / , I .~i . s•.• ` f i ff I ~ t Jl 1 1' i { /I ` , ~ , ` r ~ 1 ° 1 \ / ~ \ y~/ ( a / / / / AK FR P T H R ~ ~ ~ ~ ~ ~ ~ D D ~ 3. BOUNDARY INFORMATION SHOWN T EN OM REC.ORD£D LA BY JON - ,l ; , € f ~ r^ MCADAMS RECORDED IN BM 2005 PG. 1213.
~ ~ ! „ ~ \ \ a \ 12599 PG~ ~4 ~.1 \ _ I r' l ~ :~-f1~-~-~ ~ ~ 1~Z 4. PROJECT IS LOCATED IN ZONE X AS SHOWN ON fIR #37183C0506E AND
= 1 a i ~31183C0510E EFfECTNE MAY 2, 2006. ~~``'`~./t^ f,! ~ u``~ ~ 5. .RIGHT OF WAY FOR WALNUT STREET FRAM MAP ENTITLED
. . / / / , ` 1 i \ \ \ \ ~ F\ \ \ N•~ / -PERMANEN3-ORAiNgGE~' EMEN7 ~'r~: . 5, EPMOE3N~'r--'rt,... O ~ ~ RIGHT-OF-WAY/EASEMENT ACQUISITION MAP Of WALNUT STREET
I ~ i ~ ~i ~ \ r UB 9 32 ~ i ~ \ J-- \ \ 5 ~ , 6. 4 ~ w , 1 I f 1 . 1 ~ •l. ~ , I {r- mac. ~ ! i' IMPROVEMENTS PHASE 2" BY TWE ROSE GROUP INC. DATED AUGUST 31 1 ~ ~
f ` _ \ _ - ' , o / rrl ~ ~ ~ , r Y fr1 2000. i,/% ~ , rn 6. THIS SURVEY WAS PERFORMED AND MAP PREPARED WITHOUT THE BENEFET OF
~r_ i i ~ ! _ I ~ ~ ' A T€TLE REPORT. THIS SURVEY IS SUBJECT TO ANY FACTS AND EASEMENTS
, r % ~ „ ~ ~1," ~ ~ ~ ~ WHICH MAY BE DISCLOSED BY A FULL AND ACCURATE TITLE SEARCH, 1 ; ~ ~ 7. UTILITIES SHOWN HA5 BEEN LOCATED FROM FIELD SURVEY BY JOHN R,
- t~r,~ j ~ ~ MCADAMS AND EXISTING DRAWINGS. THIS IS NO GUARANTEE THAT TH£
" ` + ~ ~ ; u f ~ UNDERGROUND UTILITIES SHOWN ON THE MAP. COMPRISE ALL THE UTILITIES ` ~ ~ ' ~ WtTtfIN AND ADJACENT TQ THIS PROPERTY. EITHER IN SERVICE OR
. ? } , / A.~/ ~ i' I \`1r / + ` ~ / \ ,t ~ \ ~ ` ~ ~ t ^.~I _I ~i ~i 1 ~s•\ JIB A„!~ i'/' 1 / ~ r ~ ~ i ` h ABANDONED. THE SURVEYOR DOES NOT WARRANT THAT THE UNDERGROUND
; r : ~ i P~ ~ a ~ , UTILITIES SHOWN ARf IN THE EXACT LOCATION INDICATED ALTHOUGH HE DOES r r I ~ ''t' . ~ \ CERTIFY THAT THEY ARE LOCATED ACCURATELY AS POSSfBLE FROM
_ / 1 ~ f % ~ / / o ~I i 1, t / Cpl. a 1~\ ~ ` ~ ~ • ~ ti ' i I J~~-4 f. \ n /I ( 1 I t ' ; < ; i l INFORMATION AVA€IABLE. THE SURVEYOR HA5 NDT PHYSICALLY LOCATED THE
% •''"`~..:,L /1 , f L t / `S \f ~ ~ ~j, ~ / ~ ~ ter""" _ r ~ - , i I r j 1 !I 1 ~ r~ '1 UNDERGROUND UTILITIES.
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r/,`'~ n 1' ~ ? I F 1 . { \ 1 ~ Y ,I - -1 - 1 1 ` 1-~ 1 1 l o ~ ~ /.r ,r 1' ,i ' ' ~ 1 I f I 1 r 1 1 N ~O • , / r ~ l~ 11 m 4 / ~ / ~ ~ ~ ~ , J 1J 'Aa,• ; ~ ~ ~ 1 f 1 ~ r ~ ~ ` ! f t ~r ~ ~ ? ~
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----~y I ~ 1 i~ ~ I HAROLD J. THARRINGTON
~ i`,-~~-gg_,~~~-C ~ 1 I ~ PfN # 0772-77-1515
4N~NT 1SLOP£~~ASF~fi'f fit. ~C~~ I ~ ~ ~ DB 3493 PG 32
- / ~ ~ '-'~p.~ _ \ ~ ~ o I R"' \ 1 ~ II ~ PERtuIAN NT ,SLOPE/~f ~ \.,r ~ ~ \ FO - n \ ~ \ 1.,/ C I ~ / ~ :,.•.~.•.I• 1 ~ ~ I ~ DB 9Q5l I ~DBI9Q58~P~ , ~ ~j- ~ 1 ~
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4 ~ ° ` ~ - - 3D TAN' OF CARP GREENWAY EASEMEN / ~ ~ ,1 1 n. \ 458 ~ - _ ~ ~ - ~ 1 ~'~""PE ANE STRUC'f10N EAS t y.. MB 2006 PG 2 ~ , > , ' / " \ ; \I \ ~ . VSTRUCTION EASEMENT ; , I !
# /"J ~ - ( r ~ m ~ / B 9258 ~ _ B 9258 PG 38 F~ ~ ~ ` ~ ~ ~ ' jl 1 11` °°°y°°°°OCPd°p000
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40 TOWN OF CARY • ` WETEANDS~.~' ~ - " ~ , ` \ ° ° I NE oo `SV o0
v SANITARY SEWER r... '-C~61SE~YA'PION• At3EA EASEME _ ' I ~ . -moo EASEM,EN ~ MB 2006 PG' 2a~s9.. -
o MB 2006 PG 2457 / / ~ ~ ` ~ ~ _ \ I ` 1l \ t °QOOgo°ao ba°°°° tl ~

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_ _ - -20`°.TOWN`0€~ ERLI E ERLI E ~ tAEf~T' ~I ~ I ~ ~ j I GRAPHIC SCALE
MIDLAND TRY(}N LLC a \ ~ = \ =MB: - _ MB~ - G 2458 ~ 1 1 ~ 50 0 25 50 100
PIN # 0772-66 0935 ~ ~ w -
r DB i i 416 PG i 918 ~ PE I~Ri KENT DRAI EASEMENT ~ ~ DB 895 - -G. 937 MENT f ' ~ , ~ I 1 ~ ~ I I l~ S ~ 1 inch - 50 ft. 937 I I I I ~ l -
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No. Revision Date B Designer Scale KLJ 1" = 50'
1 PER TOC REVIEW COMMENTS 4/10/08 KU WITHERS RAVENEL Sheet No.
2 PER TOC REVIEW COMMENTS 05/08/08 KLJ Drawn By Date TRYON VILLAGE TOWNHOMES RSM 03/13/98 IG CONDITIONS ENGINEERS 1 PLANNERS I SURVEYORS Sw 1
1 EXISTING C( 3 PER TOC REVIEW COMMENTS 46/12/08 KLJ Checked By Job No. 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www.withersravenel.com
CARY WAKE COUNTY North Carolina, KW 02080134.00
!L

NOTES:
t ? \
•~I ,r ~ ~ 1, ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE TOWN OF CARP STANDARDS, SPECIFICATIONS AND DETAILS, LATEST S} REVISON.
1` ~_.ra>f` ' ~ 1 1 ~ 2. ALL MANHOLES LOCATED OUTSIDE OF PAVED AREAS SHALL HAVE A RIM ELEVATION ONE F00T ABOVE FINISHED GRADE.
f / / t t ~ RECD .@ .'P0~ 'r' l it ~ r ! t 4 , 1 1 4', ~ ~ k 1 1 3. CONTRACTOR SMALL MAINTAIN ALL EROSION CONTROL STRUCTURES DURING THE LIFE OF THE PROJECT.
! / , w w t 1 ~ RI S ATOR PAD' `j , r ~ , ~ i ~ 1 4 1 / ? ! r , I ~ ~ ~ ~ 1 J , ~ ~ ~ 4 1 { G' { I~+ 4. CONTRACTOR SHALL CONSTRUCT D1VER510N DITCHES A5 NECESSARY TO ENSURE ALL SEDIMENT IS DIRECTED INTO ER0510N ~~1 i j 4~ 11 CONTROL MEASURES.
r ~ 1w l / t~ ~ I I / 6 1~ ~ ~ ~ / , 4. I I r 1 ~ l; 1 ~ ~1 ~ ~ 9E `4''i 5. ALL CATCH BASINS SHALL BE .PROTECTED PER TOC STD. 4.14 UNLESS NOTED OTHERIMSE. 1 ~ 1 6, . CONTRACTOR SHAD. VERIFY, LOCATION, OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION: LOCATION :OF; EXISTING UTILITIES
, ~ G ~r 1; ~ J { ~ ~ 1 11 4 1 SHOWN,':ON PLANS.;IS BASED AN :BEST AVAILABLE INFORMATION; BUT CAhI','BE' CONSIDERED ,ONLY AS APPRO)iIMATE
w w ~ 1 ~ ' / t`, 4 1'.{ ` I ~ ` I .P` 1 7: ` TOPOGRAPHIC I,NFOR~tATION,' FROM ISI7RVEY BY; WITHERS; AND REVENEL, IMC. ,
! , ~ 5 RCP,'i 44s.oa _ _ 1 4 ~ it 4', { \1 1 { 1 f` r ' 8. CONTRACTOR SHALL CLEAR ~'OR PIPE' AND CONSTRUCT PIPE: CONTRACTOR SHALL INSTALL 51LT F£NCE AND SEDEMENT BASINS , ~ 4~' ~ 111.1 i ~ 1.1 1 4 I 4 4 ~ t AT PIPE ENDS AND DIVERSION DITCHES AND THEN BEGIN GRADING ROADWAYS.
L ~ .w ^r'••'• ' / 4, RGp ,INV'4 i ELOCATEr E SPLITTER BOX i I 4 ~ l 1 / / 'f ~ / ; I STALL ~5 RCP'INV OUT 45iA0 { 1 111 I 9. IF STORM CROSS DRAINAGE CAN NOT BE INSTALLED PRIOR TO GRADING, TOC STD, 4,11 SHALL BE USED TO CROSS WET
.,..1-.., - - ~ ` n,r••• I / r i ^,r r~ .1 1 I I' n i ~,r ~ 1 1 1 i w,w / / / ~ ~ + 1 STALL 24 RCP INV OUT 45 .00 ; I - ....Sg........ r...ryy_.......,.•ssy...........~.r,•- ~ / ` r • f ~ , ' i; it ' f 11 I.. 1 i i 1 I r 1 ! 4 1 1 '1~~1 j ~4 I 1I 1, ~4 , J1 ~ I t~+, 't WEATHER CHANNELS. ! < 1D. CONTRACTOR SHALL ENSURE GRADING OPERATION iS CONDUCTED IN A MANNER THAT DOES NOT ALLOW ANY SEDIMENT INTO
~ w r 1 I .t • ~ i ! ~ / 1 l i ! X : I r r 1 i' rtll ! 1 1 11 I i r! it 41 11~ ~l 1 }t ~ k 4 44 1 1~ ~ CREEKS.
~+1 1 ~ j 1 ° { ' it, STORM WATER DISCHARGES INTO AN UNNAMMED TRIBUTARY OF SWIFT CREEK.
n _L 1 ? ~ 1 l'~ 1 ~ 1 1 1 I ~ l j 't 12. ALL STORM DRAINAGE PIPE SHALL BE PROTECTED DURING CONSTRUCTION IN ACCORDANCE WITH TOC STD. DETAEL 4,12. ` 13. CONTRACTOR SHALL PROVIDE R[P RAP LINED TAIL DITCHES AT THE STORM DRAINAGE .PIPE DISCHARGE POINTS A5 REQUIRED TO . t 4 1 1 1 1 j; i; ` ENSURE POSITIVE DRAINAGE.
1 I ~ r y, ! rl ' 11 ! fi ~%r' yl 1 ~ 1 r I~ / ~ r I' l ! ~ r'i r' 1 i I I 1 r ! J s ~1 1 \1 I 1 ~ 4 ~ 4 + ; 14, SEDIMENT BASINS SHALL BE KEPT OUT OF WETLAND AREAS.
J r~ f r' , 1 i + I I r i I ~ +'E 1 4 i i ~1 ~ ~ ~ I '~I 15, THIS SITE IS I~QT_ WITHIN A FEMA MAPPED 109 YEAR FLOOD PLAIN. REFERENCE: .FIRM MAP 37183CD28D E, DATED MAY 8,
"9 .1 1 ,1 l r l~ ! I q ~ I' i f; I 1 i r - I 1 1 d J i fi r, h, rrrr/•~lir r I i' j ~~1 ~'1~1 t ~ <I 1 1 1?p 1 i 1~,1~ ; , 2906, N T TI TIN MAY BE RE UIRED FOR THl CONSTRUCTION. j I ~1 ~4 1 1 1 { 11 1 (+1 ; 16, A PRECO S RUC ON MEE G Q S
1 f 1i r I< r~ ~ t r~ , ;.t 1 ~I ~ 1 1 + t , 17, PERMANENT GROUND COVER SHALL BE ESTABLISHED EITHER iN 15 WORKING DAYS OR 90 CALENDAR DAYS, WHICHEVER IS
I , f 1 r , .r a / l r 6 t r / ` ~ , r 4 j 1 { 1 ~ { lk l , + SHORTER, PER TOWN OF CARY REQUIREMENTS AFTER CONSTRUCTION IS COMPLETE. ' ° ~ 1 ~ 1 ' ' 18, TOPSOIL SHALL BE WASTED t}FFSITE OR IN FILL AREAS AS SHOWN.
1.`:,__k~_„L_ ! 1 11 I„-,1 4 91„_ { °"14',~ I~~j,',11 19, TREE PROTECTION FENCING SHALL BE INSTALLED AND INSPECTED PRIOR TO ISSUANCE OF A GRADING PERMIT. FENCING SHALL I'4 ~ 4 i ' I n~ 4 4 ~i ~ 1 t ~ } NOT BE REQUIRED ADJACENT TO AREAS WITHOUT WOODED VEGETATION.
~ I ~ \ - M~ 1 r I r ;1 I} `'T' 1 ~,~~°'~~-s~i"~aW-°''~~~~~" I `'jam: 1 ! 1 ~ f'" r ~ i ' x.01 23 - .1- I I
1 1 \ fir ~ /r b ! I ; t i~~ \ '~"'•.i•' _ i-7 --J. r r? r / /`'J r I 1 ~L.~~ 1~'~ 1 ~ t'. t~+ 20, ALL CATCH BASIN HOODS SHALL BE STAMPED DRAINS TO RIVER IN ACCORDANCE WITH TOWN Of CARY STANDARDS. t•~ ,i 11 I i~~t t'.' 21. ALL CUT AND FiLI SLOPES SHALL BE STABILIZED WITHIN 15 DAYS OF THE COMPLETION Of ANY PHA OF GRADING OR 90
1 ~ ~ ' ~ 11'.4 I ; tl, CALENDAR DAYS, WHICHEVER IS SHORTER. ANY INACTIVE DENUDED AREAS SHALL BE STABILIZED WITHIN 3b DAYS. / i t 9' I 11' ~ ~ - ' v 1 t 22, ALL STREETS ADJACENT TO THE PROJECT SHALL BE KEPT CLEAN AT ALL TIMES QR A WASH STATION WILL BE REOUlRED.
/ ~ y r 1 _,f~ 65 ~ , , r , ` 4 ~l ` 11 } ~ 1 `~~+,1;';'- 23. THE PRO,~CT MEETS ALE REQUIREMENTS RELATIVE TO BEST MANAGEMENT PRACTICES AND ENGINEERED STORM WATER CONTROL ~ {
1 t ; / } / f' itrf r ~ III / i ~ ~ r r r r'r.r r..;, r.. 1 _ r M~, ~ •-..~+t-~ ~1 111;'k t I STRUCTURES AS OUTLINED IN THE TOWN OF CARY UNIFIED DEVELOPMENT ORDINANCE CHAPTER 1D, PART 3.
M . i_;,' ( j+'~t:~',', 24. RISER STRUCTURES MUST BE ON SITE BEFORE GRADING PERMIT t5 ISSUED. . ; } 4~1' } ; t 25. THE BUILDING RESTRICTION FLOOD LINE {2'' ABOVE THE 100 YR FLOOD LINE)SHALL' BE STAKED IN THE FIELD ONCE ROUGH
1 ? ? r r / / i i it lCi~•' !/r• , F• ~ 'gy'p- S s ,!!!~;!oy`, GRADING HAS BEEN PERFORMED AND BEFORE THE FIRST BUILDING PAp IS STAKED.
~ / r ~ ? t ~ OPEN- ~ ~ f ,
• \ y;, , • SPACE:' ~ ' ~ ~ j ' } - I ,1 4 `,l4 lU 41 1 i , ,
1 4 ~l, 1S .141 I~'tt,,t1•~_
? ~ ~f i t ~r ir/ r'i' / , ,~l I, ryy 'rV i y q I I r"' VV1_ 1 1 .I i ~
?L \ i ~ ,tit. I • r% ~ r r ! ~ r1. ~ II I I i 1 ~ L - 1 4 ~ 11 STORMDRAINAGEPIPETABLE-PEST ' ~ ! f ' ~ 1 id l~slream Downstream Ptpe Length Sloe Upstream Downstream Material Upstream Inlet Upstream Intel Upsln=am inlet Upstream Iniat Upstream Calculated System Total System Maximum At~atage
rl i f ~44-- Stmcture Stnktere Diameter {ft) (h) Invert (ft) tncA (ft) Area (acres} Raaonal CoePoCfsnt RaUanal Flow (cfs) Ralianal CA (acres) System CA (aces) Intensity (lNhr) Flow (cfs) city {cis) VcAoclty (ft1s} 111 CB 41 CB 40 15 inch 66.76 9.54 a4s.5D 446.14 RCP 0.40 9.83 242 0.33 0,33 7.22 242 5,10 3,88
L? ~ ~ r ! i` ./rr. i/ r ~ / fy ~.y,I I i 'y.~r'' i I i 1 {r ? ~ rr / r. rr•; t' 1, r. / / ~ r r y k i/'./ 1/ \ r , yy w I , ~ ' i i 1 CB 40 CB 39 181nch 149.50 0.52 446.04 44527 RCP 0.54 0.70 2.76 0,38 9.88 7,71 6.40 '8.11 d,7g
1 dq L rl i r'i' i ; ~J i , p r'" !~a, r N' ! ` 1 i , 1 t ? .U 1 I- - ' ~ , ~ i ~ 14 CB 39 C6 34 18 inch 72.30 0.91 445.17 444.51 RCP 0.23 0.69 1.15 0.16 7.13 7.22 .8.21 10.80 6.34 . ~k 0138 9137 ' 24 inch 32.05 1.25 451.50 451.10 RCP 0.80 ' 9.65 2.84 0.39 0,39 7.22. 21.87 27,18 9.05
LL \ L f' f' • i ~ J r I • ,r'/ r r '+Y f r ~ ~ L..1+-"_ 1 ~ I i !r i if,%n~ 'h ` / t r'~ I .'~C3 r f `ev ~ ; ~ 114 ~ 4 0137 C6 36 ?A inch 58.99 1,70 451.Q0 -050.00 RCP OA7 9.74 0.38 ' 0.05 9.44 7.22 22.25 31,68 10.30
I ~ i ~ CB 36 CB 34 24 Inch 68.55 2.19 -049.50 448:00 RCP 0,45 0.79 2.59 0.36 0,80 7.22 24.83 35,99 11.66 r ~ j 11 CB 35 CB 34 151nch 108.47 4,97 457.80 452.41 RCP 0.29 0.82 1,73 0.24 024 7.21 1,73 15.49 7.92
~ 0 ' I r' i''r''/ SANITI~RYi E~NERr ' : I t ' I r' ~ 'I \ ''L / r• •/r r r! ,Y 1? rri',, J~~ / rr t ly`y ,nl! : ~ I i i '1 11 CB 3a CB 31 301nch 93.21 1.23 443.41 442.26 RCP 0,14 0,82 0.84 0.11 2.28 7.22 35.61 -09.01 10.27 {'~{4^ DI 33 C632 15inch t4.~' 1.16 444.25 444.08 RCP O.D4 0.65 0.19 0,03 0.03. 7.71 0.19 7.48 2,46
Lk ~ , «,;r~ / , yP.~QES RIAN; T , r' , , f~_ } 1, m it CB 32 CB 31 15 ir~h .45.71 1.93 443.98 443.51 RCP , . 0.07 0.71 0.36 0,05 0.08. 7.22 0.55 7.05 329
t ~ f ! , r f 1 ;M , /r ,1 , " ~'r I 4 J \EA I ~ 1 ~ f t C8 31 CB 29 30 inch 89.09 2.64 -042.76 439.81 RCP 0.14 0.81 0.83 0.11 2.47 7,22 36,99 71.65 13.93' 1 ~ ~ S ~4 ~ 0145 DI 4a 15 inch 122.00 3.93 460.55 455.75 RCP 0.14 0,53 0.54 0,07 0.07 7.22 0.54. 13.78 5.17
.r I 1 , i 1 , ~ . , ~ ~ 1 11 ; ' , 0144 DI A3 15 inch 97.74 8.98 452.50 442.75 R{~ 0.23 9,55 0.92 0.13 0.20 7.22 1.4fi 21.95 9,64 4 ~ i DI43 DI 3D 151~h 45.59 2.41 442.55 441.45 RCP 026 D.6D 1.14 0,16 9.36 7.22 260 10,79 6,8fi
r 1/• •~rf ' i ' " / ~ r ,n:,. / ^,'Y I' ' 1 ~ / l I I ` ' l - 7a ~ 1 . ` ; ~ DI 30 CB 29 15 inch 30.71 0.81 441.35 441.10 RCP 0.04 0.64 0.19 0.03 0,38 7.22 2.78 6,27 4.69 4,~1 r 11
I ~ CB 29 CB 28 301nch 50.98 1.39 -039.71 439.00 RCP 0.10 0.84 9.61 0.08 293 7.22 40.38 52.07 11.94 . ~ ' I ,1 1 ,1'~ CB 28 CB 24 36 inch 110,78 1.31 438,59 437.14 RCP 0.14 0.91 0.93 0.13 3.06 7.22 41.31 82,98 11.01
0142 DI27 15 inch 40.46 O,fi2 440.25 440.00 RCP .0,31 0,47 1.06 0.15 0.15 7.22 1.06 5.46 3.27 J ~ +i ~ ~4 14 3796 0.53 439,90 439.70 RCP 0.06 0.70 0.31 0.04 0.19 7.22 1.37 5.04 3.31
~7 - ` I ~ 1 ~4-. 11 ce 26 CB 24 15lrx:h 27.67 0,72 439.60 439.40 RCP 0.15 0.83 0.91 0,12 0,31 7.22 2,27 5.91 .4,28
i'' it ` j•1 ~4 DI25 CB 24 15 inch 44.82 0,58 439,25 438.99 RCP 0.07 0.70 0,36 0.05 0.05 7.22 0.36. 5,29 2.33 ~ CB 14 CB 3 36 inch 129-07 1.OZ 437.94 435.72 RCP 0,10 0.68 0.64 0.09 3.51 7.22 44.58 72.55 1x,20
_ ~ ~ l 4 0123 CB 21 18 inch 27.67 1.19 453.75 453.42 RCP 1.41 0.70 7.18 0.99 0.99 7.22 7,18 12.34 6.85
r 'l ~a 1 ;'r;'/+ ~ V ' r t \ ; j 1 `PACE ~ - ~ I Cfl 22 CB 21 15 inch 38.36 0.63 454.01 453.77 RCP 0.12 0.83 0.72 0.10 0.10 7.22 0,72 5.59 2.95 " ~ CB 2t C820 181nch 30.83 0.65 453.32 453,12 RCP 0.07 0.87 0.44 O,D6 1.15 7.22 8,35 9.19 5.46
I ,~e; , r.~?! I I" \ ~ , ~ ATE ` - ~;~,~-.2O' Dws CB 20 15 inch 38,92 0.51 455.00 -054.80 RCP 0.05 0.58 0.21 0.03 0.03 7.22 0.21 4,98 1,91
~ .j { PRNATE Cs 2D CB 18 18 itch 72.19 0.99 952.90 45225 RCP 0,14 0.94 0.96 0.13 1.31 7.22 9.52 19,72 fi.g2 _ DRAINAGE DI 19 CB 18 151nch 13.87 2.67 453,25 452,86 RCP 0.06 0.77 4.31 O.Ob 9,04 7.22 0.31 11.35 3.82
l r ' ~ ' • ; r ' ;/fi I 't 1 r , I 1 ~ 1 ~ T 15 PRNAT ~ _ 74,E \ ~ I i I , ~ ^ r I ~iT~i r ' .r ~ ~ pRAINAGE 1 ` ~ ~ 1 ~l EASEMENT CB 1B CB 17 18 inch 29.78 2.79 451.63 451,25 RCP 0.25 0.67 1.58 0.22 1.57 7.22 11.-01 18.88 19,57 ~ C617 CB 1Z 18 inch 110.31 3.60 451,00 447,03 RCP O.Oi 0.90 0.07 0.01 1.50 7.22 11.48 21.43 11.67
t 1 DI 16 Dt 15 15 inch 49.16 2,03 449,25 448.00 RCP 0,24 0.52 0.91 0.12 0.12 7.22 0.91 11.69 5.37 - , 414
DI 15 C614 151nch 41,33 0.58 447.99 447.66 RCP 0.07 0.72 0.37 0.05 9.18 7.22 1,28 5.29 3.37 CB 14 CB 12 151~h 31.39 0,57 447.56 447.38 RCP 0.23 0.86 1.44 0.20 a.3] 7.22 2.71 5.26 4.09
D~,,; I 1 DI 13 C812 15 inch 36.02 0.61 448.25 448.03 RCP 0.07 0,73 0.37 0,05 0.05 7.22 0.37 5.43 2,40 j° CB 12 CB 11 24 inch 109.50 2.98 446.43 443.17 RCP 0.10 0,09 0.65 0,09 2.99 722 15.21 41.99 11.65
~ . jr / 1 901 , ~ _ , CB 1i CB 10 24 inch 30.02 1.43 4-03.07 442,64 RCP 0,10 0,90 0.65 0,09 2.18 7.22 15.87 29.12 8,96 mow,;
y i` r"llj~ f j ~ I V i y 1 t f'1 1 I Q t ~ - 1~1J -r 1 rr'./r ~/I~ t ~y V 1 V }I 1 4 - \i r, 87 r.,,~,, ~ i 43 11 ~ i t'-f' _ . ~ 1, ' j 11 CB 10 CB 5 24 inch 56.63 3.99 441.04 438.78 RCP 0.15 0,90 9.98 0,14 232 7.22 16.85 4-0,61 11.fi5 ~ DI9 018 15inCh 26.90 0.58 9-00.25 990.10 RCP 0,41 9.44 1.31 9.10 0.18 7.22 1.31 5.19 3.35
DI8 DI7 15 inch 45,96 0.54 440.00 439.75 RCP 0.14 0.61 0.62 0.09 0,27 7.22 1.93 5.12 3.68
\ r . . . ` ~ /t ; i , , , t ; 1 .•±t• `y\ ' * Q 6 - ' ,,i i""'.~ ~ - - - - -.-f =C 77 , .1-. i I,J~ ~ z f ! • 1 017 CB 5 151nch 40.36 0.62 439.65 438.40 RCP 0.08 0,62 0.36 0,05 9.32 7,22 2,30 3.17 4,04 i~ I~ ~ ~ CB6 CBS 15 inch 27.71 6.21 441.25 439.53 RCP O.D9 9.89 0.58 0,08 D.DB 7,22 0,58 16.09 6,21
~ / ~ . f / f~ ~ 'S i I I I . r. \ , ,L / U ' . -1_. ~ __un . I~ Il - / ; I /r ` ~ QA • 4 11 ce 5 CB 4 24 Inds 71.26 1.0? 438.68 437.92 RCP 0.05 0.88 9.32 0.04 2.75 7.22 20.05 23.36 8.36 ' / I ` Y 4 11 ~ CB 4 CB 3 24 inch 27.00 1.11 437.02 437b2 RCP 0.21 a.6s 1.31 0,18 2.94 7.22 21.36 25.65 0,58
. 1 . .i. f 1 'i 1` I j.,~ ` i" ` (]7 q i _li~_.-~i•-'- I '-I•. 'r t \ . i. . r. : I'.r / tt I •1 'C ~ ~ •`t i r ` V~~ p i _•r" i_. I r~ ,5~i , ~ F 1f 1~ / f/ f ~ , ~ i i r?•' - t t .i ~i•.. ~UL-1• ~ .P. _ _ _79' / 1 / , ~ / , CB3 JB2 38 inch 20.30 1.38 435,00 434,72 RCP 0,25 0.91 1.66 0.23 6.67 7:22 67.66 8-0,26 12.47 1 ' , ~ / r ~ I 1 11- JB 2 FES 1 38 indl 1DS,fi5 5.02 429,30 -024,00 RCP NIA WA WA NIA 6,67 7,22 67.60 160.69 9.56
~Y / ~ • } ' p ~ l' r.~ 1 ~ ~-t ' ; i rc•• RAI r .tom= 1 • , 1141 ~ 'r It STRUCTURE SCHEDULE
e , • _ ' ~ , r - l 11 1 UPSiRBAM UPSTREAM UPSTREAM INV OUf
\ ~ / \ - - I. ~ ~ _ 'fir' 1 _ S••V• + ~r/ j/f t ~ J \ i , r R;r 1 - -•#a- -i-- r1 ~ iI ! ' , I ; _ ? \ r , . , /I! t 111 titi1~l 1 11~ 41 ~ STRUCTURE TIC (ft) 0'N IN 1(a} .STRUCTURE IM/ IN 2 (ft) TRl1CTURE INV IN 3 Ifll STRUCTURE (ft)
, , , l ~ ~ - - _ ` a 1 11 'll li 41 I DI 4s aszsa a55.~ ~ ~ ; 50 I' ~ ' I ~ ';1 11 11 ~ , DI45 ass.oo aeD.65
- ~ - / , j ~ ~ r 14 ~ l4 11 ~ ! 11 ~ 0149 460.90 455.75 DI a5 452.50
~rr / ~ I .JI 1 i , c~ - J r r `r'h'4. ww f 11 ~ 0143 447.OD 442.75 DI44 992.55 l ' 111 11`; ~ DI dz 44s,5D 4aD,zs i, 11. + ! 411 ~~'1 11 11 4 ~ CB 40 450,89 446.14 C641 446.94
r ..i" / f 1,.'/ t r'+ i, f - - - - '`I,. \i - p" err r•.!~' f - ! 1 1 , ~ ~ ~ - _ ~ . ~ - - 1` 1: ,r_ I l/ ~ AI FE ~ •,.4`r J l ,rr'.., - I 1.•.~ I 1. I r ~ q CB a1 450.75 446.59
1 ? \ •w20"j I A l _ C.. I ~ ~Q~` J. - ~r _ _ I / ~ 1 1 ~ j { ; 1 Q r ' ~ ~ 11 11 '',4_ _ _ _l1j } C8 39 454.22 445.27 CB 40 445.17
; . I ~ r. 1 1/ ~ `"'•'r ~ ' " Co - rrr ` I{I + f ! a 1 \ \ J r `ice I I `t ! j ! 7+ ` ~rf ~ l~ 11 i' 111, ~ ~ Df 38 460.50 451.50 '
1, t / c '~20•`~DRA A _E rr 1 - - - _ I ~ i s + I I ~ 11 41 i Df 37 457.50 45110 DI 38 451.00 ! 1 i 11 .1 ~ CB 36 459.11 450.00 DI 37 449.50 48; + I ~ ~ kl
!!~~''yy / ~ 1 /1 ~f \ ` ~ .EASEMENT ~ ! I ~ ; I CB 35 46205 457.80 1 i I ~ 1 i ~ ~ 4 11 I ~ ~ CB 3a -056.66 452.41 CB 35 448.00 CB 36 444.51 CB 39 443.41
, ~ y+. rrr' . _ _ 1 ~ - ' ~ i r r i - - I 11 i I ' 1 I' 1 1 9133 448.50 44-0.25
I 1 ~ 't4~ y ~ ~ , 1 t 11 j 114 ~ CB 32 449.93 4M1A8 9133 443.98 1 ! ; ' ji i 14 4 I t CB 31 -050.51 44226 CB 34 443.51 CB 32 44216
_ 4`., r I ~ ~ .46 ! 1 ~ 1 I; 41 11 i 111 9130 -046.50 441.45 DI43 441.35
\`~,'"'*`r. - ` ~'A ~ ~ \ ~-""._r" - /r 9J ` _ ' i i i r I i i I I ~ ! l~ ~t ~ 1 I V t ,4~ ~ 1 ti 11 11 ! kl 1 ~ 1 CB 29 447.31 441,10 DI 30 439.81 CB 31 439.71 1 DI27 9-09.50 499.00 DI42 439,90
~1 I ~ Gl 11 11 Ii 14 1 CB 28 496.34 439.00 CB 29 438.59 } CB 26 4-05.37 439.70 DI27 439.60
w \ _ _ ter.. - - , . . , o ~ l i, 1 ~ 45 ~+I~1 1 e t{.~ ---1{1~-^~~^~` 4 ~ DI25 443.50 ~d39.25 , ~ _ + •1 i y,.. --u'"" i~9 1`1, 'I 1 CB 24 445.34 439.40 CB 26 437.14 CB 28 438.99 DI25 437.04
z - - - } 1 1 kl 4 11 'I 11 j DI23 464.00 453.75
Y F r~ •.y... •~"?a, ~K.._ / \ . \ i ~ I } 1, l ~ 1 i., t ` 44 _ - ~.,1 f 1 ; , cB 22 458,26 454.01 ,1 ;b +1 • I 1 1 44 11 ~n 11 1 CB 21 459.52 453,77 CB 22 453.42 DI23 453.32
. 4 ~ ~ { 1 1 ~ it 41 ? 14 1 I C6 20 458.77 453.12 C8 21 459,80 DI 46 952.90
1 I I I 6 f i OI19 -057.50 453.25 '1 ' , t t 1 ' 11 41 ~ 1 ~ CB 18 457,13 452.88 0119 45225 Cfl 20 451.83
- ~ \ / `mow. I SPACE C l;; 1t -.1 1 ' .~I I 1 ~ i CB 17 -057.22 451.25 CB 18 451.90 • _ ~I 1 I 1 1 111 oi~s 453.E ~aas.Da Dus ~ai.9o
m 1 t t l ~s. V 1 I 4 I . ~ I lk 1 11 11 ~ CB 14 453.51 447.66 DI 15 447.56
' Iit Ii,1 ~ DI 13 -052.50 448.25
~ ~ ' ~ ` ` 4 ~ r ~ ~ I ;14;,11 w 11 ~l k4 , _ , C612 452.03 448.03 DI 13 -047.03 CB 17 447.38 CB 14 446.43 I ; ~ y kl 1 ' cs 11 -048.17 443.17 CB 12 443.07
r, ~ ' I'~ 4 11 ,i ; 11 9 cB iD 4a7.s4 4az.s4 cB 11. aai.oa
* 41 , j,; 1 41~'1~.•. ' ! It ~1 ~ 919 449.50 440.25 ~ , , ~ ~ , ~ DI8. 446.50 440.10 DI9 440.00
1 ~ 1' `11 a c;r 11 I 017 444.50 439.75 DI8 439.65 ,1 ' I 1 11~ k x,,14 CBS 445.50 441,25
4 , ~?~~`"~r '+..T:. rr 1 ~ Y I 20 RNATE~ ' ! ' ~ ~ 1 14 11 4 ~ CB 5 445.67 439.53 CB 6 438,78 CB 10 439.40 DI 7 -038.68
' ~ ~ y..'I _ ~ ~I• ~ - 1 , `~STOR RAINAGE, 15' { \ "r.y, r+.. \ ~ \ } } EASEMENT 1~ ti. ~ 414.1 4~ ~ ~~1 11 CB4 444.77 437.92 CB5 ~ 437,82 S 1 ~l 11~'•~ 4411 ~ CB 3 444.77 437.52 CB 4 435.72 CB 24 435AO
O wr. `•~a rrr ,r'".. ^ y \ .1` \ ~ •t1 "•'w _ l i'I a!: ' 1 1 1 a JB 2 445.00 434.72 CB 3 428.30 i . ~ ~ l 1 1 I`ll lk ~ i FES 1 427.00 424.00 JB 2 WA
~ ,9",'`,`~~si rl la
tl `r '+"c'."'ti ....«.,,....»~a~..~.,.... x'71 ~ _ \ , ~ r ! 11 ~ ~ I a 1 ~ f 11 111 ~ +aasooaaaeaa+~
~ %(I 't~~~ , i 1 111 kt 11 11 I VELOCITY DISSIPATERS °°°~~~•(~1 CAf~(J~~ oo,
3 ! ! r'*..r`..,.`,,:,,, ~ r~.r~~M^r' .ice. l~ - r .`.i':+s ~ _...~_.a.~-- rrr rr r^•!..'•,~yr \ \ 1 , I ~ 1)UTLET CLASS LENGTH WIDTH THICKNESS o o /ii ~ a~ ~ , , , ~ ~,1. 4 ~4 1 11 kl NUMBER S70NE Ift) (ft) (in) Cho ~O~ES$1Qy°ao q
/ t .,=ar.e,~'^~~--...•_Sm,,.,~,'y~~~~~ ~a+. ap rrr rrrr \ ~ - 'r? \ "ti` ~ \ - ` FES i 2 36 17,A 27 $ o° ~ o 0 0
_ r~ ` ~ , I q, rr \r \ _ - ~ fir: c \ _ - \ \ T I + t it 4k ~ l 11 ~ FES to B 15 17.5 22 a o SEA o e 2Ci woWN' ~ .A 4 41 ~ 11 114 ~ 1 q
E % ! ~ - r`'r ~ rW wr rrr r'•rr _ _ .,1 . L•a \ < 01 CART="~ ; I ° o o ,~~y-'-.~ uTiLIrY' i~f' 4111 tl 11 14.11+ °Q o °
~ / / / r,/ "?;y rrr r,. tir \ _ f ~ ~l o e , \ ~ . ~ME~ ~ ~ ,1 E ~ li 11 11 I i # °a, 2~~a,,~'G ~>a~.~'~ ~,~~~o°
tl wI / •er r~~r arr rr ~ \ ~..~....rr w / *rrr rr ~ I 3 .•ww r°v rr rrr `''r \ ~ - •'l I I ` ` ~ ~ 1! `l 1~ 1~t+ ~ I~- ~ ~ 4 j 11 1111 a,AOOaaa~h L~~~ve+°o° t 1' I~ + I ~ aaa saac+
'^y _ t ~ VS
~ 1 f ` r.. "~ra~r,~r "••arr `r Or 'r' w ~ O r / 1 \ r•^ '^.\rr rr •`r rrr rr? \ 1 ,i k .k ,'._:.~,,...i ~~~'Y ~;~~I I III 11 11 114
q I ~ r o r - L7 + •rrr ~rr rr rrr rrr` rrr 'r•.,•. --'-~4.\ \
m t ~ f \ \ rrr°r ~'\r•.,+; rr rrr rrr ?r , ~ 1 a I \ rr \a, rrr rr rr rrr rr \ \ ~.__---~..,1-, i 11 11 1111 ~',.`{,,1, ; i GRAPHIC SCALE --,--.._i.~
{ r, r \ r ` \ rr \ rr rrr rrr rr r. 1__..___ 1 • 1 ~ i a ~ ~ .1 ~ i 4 1 lk 111 50 D 25 So 300 t '~ii~~"°1111 C
- - _ i ~ \ rr \ rr rr r rr rr \ _ 4 ~ ~-~-k''.'•` ='3 mil-mot, I~ I { 1~ ~
t. 4 Ii1'? Imcn-9Urr.
1 ' C
g
No. Revision Date B Designer Scale w Sheet Na.
1 PER TOC REVIEW COMMENTS 04/10/0 KW KW 1 = 50r i
2 PER TOC REVIEW COMMENTS 05/0 S/0 KW Drawn By Date TRYON VILLAGE TOWNHOMES DRAINAGE PLAN ENGINEERS I PLANNERS I SURVEYORS SW
o 06/12 0 KW RSM 03/13/08 STORM DRA 3 PER TOC REVIEW COMMENTS / c Checked By lob No.
CARY WAKE COUNTY North Carolina o KW 02080134,00 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www.withersravenel.com
Y

~~-`a'', i~'~,`}~~ ~ ; NOTES:
~ 0 1 t SIt;MT DISTANCE.- f f~ ~ I I, ' i, ~
f l i~ t '~RfAIJGLE TYP. \11~ { I r I I I ~ ~1 ~ } '°I ~ f , r + ~r~ 1, ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE TOWN OF CARP STANDARDS, _I- 1 ~(I } ; SPECIFICATIONS AND pETAILS, LATEST BENISON.
/ ~ , t~- '`-~`~j~ } ( ( } j 2, ALL MANHOLES LOCATED OUTSIpE OF PAVEp AREAS SHALL HAVE A RIM ELEVATION ONE
/ / 1 ti ~ I' } 4~ ~ FOOT ABOVE FINISHED GRADE, ~ ; ~ I ~ 1 1 ~r 4 ~ 4 ~ ( 14 I ,Jt 3, CONTRACTOR SMALL MAINTAIN ALL EROSION CONTROL STRUCTURES DURING THE LIFE OF
/ r I i iti 4 } 1 i I THE PROJECT.
f ~ I P ~ I I I 5 r I ~ I ~ ~iqq ~ 11 ~ 1 ~ . II:.~ ~ , 4. :CONTRACTOR.;SHALL CONSTRUCT ;DIVERSION, pITCHES;A$ NECESSARY TO.. ENSURE ALL 1 .11:4, { } ~ { } ,:SEQIMEPfT,IS DIREC:TEp, tNT(} EROSION.; CONTR. QL MEASURES.
}::.I ~ . i:. t t y r ~ . ~ u 'l i r 7 I f • ' ~ ~ ` ~ V I ~ (4 1 { { { , ~ ~ 5, ALC QATCH BASINS SHAI:I' BE PROTECTEp PER TOC STD, 4:14 UNLESS NOTED ` '
r/ -r ~ .456 i { e , e ; l I 4 { i, 4~ (I, OTHERWISE. ' ' } 1 14.4.1' i 6, CONTRACTOR SHALL VERIFY LOCATION OF ALL EXISTING UTILITIES PRIOR TQ
i 1'I } ( i,~ 1 4 ( ' CONSTRUCTION. LOCATION OF EXISTING UTILITIES SHOWN ON PLANS IS BASED ON BEST
- - - - - _ - ,r { Tow:/ 445 .B Wr~; , r,I , , ! ~ ! I ~4 { } ~4 I j `-{t { ~ { 4 } ~i~ AVAILABLE INFORMATION BUT CAN BE CONSIDERED ONLY AS APPROXIMATE.
r i _ ~ ~ 441' ~••i: •r` f ~I~ i I ! r 1 / 1 _.t, ~ BOW: i ~ ! r~- 1 . r ~ I i \ ~ I 1 s 'I ! { sF~l } ( } I ; ~ ~ ~ ,i 7. TOPOGRAPHIC INFORMATION FROM SURVEY BY WITHERS AND REVENEL, INC. ~ 1.1', ~ 41 r 8. CONTRACTOR SMALL CLEAR FOR PIPE AND CONSTRUCT PIPE, CONTRACTOR SHALL
/ / , .a I ~ ' 13i~1 ~ I I ' ! 1 ! I N r, I~ 1 \ ~ i I I~ ! I r• y, r! t r I ( 1 1 1 ! r i 1 q _ r'rr ` r / •V• !r t--_ ~~tt / I ! i 1 7 r , 4l } { 4 44I11t, r , '4~1 I I 1 E i INSTALL SILT FENCE AND SEDEMI=NT BASINS AT PIPE ENDS AND. DIVERSlpN DITCHES AND.
rr t ! } 4 } } 4 4 4 4 i4 I i THEN BEGIN GRADING ROADWAYS. } 44 1 } { { 4i } { 9. IF STORM CROSS DRAINAGE CAN NOT BE INSTALLED PRIOR TO GRADING, TOC STD: 4.11
I 1 ~ ~ I r 1 *4c&.do ,1 r ~ . , SIGHT D S ANCE r
i 1 ~ t ~ ~ r --1-- . ~ ! ~ ; / .59 ! TRIANGLE (TYP.) I ~ } M ( 4 ( { { Q j Ii ~ 10. CONTRACTOR SHALOL ENSURE GRAptNGHOPERATiON S CONDUCTED IN A MANNER THAT t DOES NOT ALLOW ANY SEDIMENT INTO CREEKS.
1 I \ / fem. - •I, r , 1 r! , , . ~ - ' 1 , III 3' , r } } ~ ``~r,,0 1 ~ ~ 11, STORM WATER pISCHARGES INTO AN UNNAMMED TRIBUTARY OF SWIFT CREEK,
i ~ 1 I ~ { 4 { 41 ~ 1~ i 12. ALL STORM pRAiNAGE PIPE SHALL BE PROTECTED DURING CONSTRUCTION IN
n 1 ~ 1 ~ I I 1 .I ~ 1 } 4 I 1 { 4 14 l 1'y ' ~ ACCORDANCE WITH 7DC STD, DETAIL 4.12. r~~ 4I ( ( 1 ( { 44 ~ ~ ` 13. CONTRACTOR SHALL PROVIDE RIP RAP LINED TAIL DITCHES AT THE 5TORM gRAINAGE
I i 1 / ~ j + i J ~ _ , , , I- ;4 I ' ~ ~ ~ r N RUCT ALE AT TOP OE , ' % 1 ~ ~ 4 ~ ~ PIPE DISCHARGE POINTS AS REQUIRED TO ENSURE POSITIVE DRAINAGE. V.., 4 , _____~;~~....._,~`...;Iw. I~,.1 ~r_.(-~(•,I 1 , 14, SEDIMENT BASINS SHALL BE KEPT OUT OF WETLAND AREAS.
, J ~ :I , 'tr' .4~ ~ I 't, 1. , SLOPE TO PROVIDE DF~AINAGE i 1 ~ r/ ~ r ; ~ ' r :459.33-----' - t , \ a ~ y I , 1 ~ t ~t, H T(~ STRUCTURE ~ ` ~ t ~ ~ 1 g- l"' 75, THIS SITE IS NOT WITHIN A FEMA MAPPED 100 YEAR FLOOD PLAIN. REFERENCE: FIRM
! ~ ~ / ' / f ~a ~ .•r TQwI: f 4'~ J / ~ ~ ~`F~` I'•.=-= l••? - 1, , ~ r i~_~t .~_,a„~~,,, _ I,~4 I ~ <,~6 ~ j MAP 37t83C0280 E, DATED MAY 6, 2005.
1 \ l•"' f ~ 1 .r i{ , :460,100 - 1. j . , / I' i , s ~ W. 4 6' . ' ~ i ' ~ _1 l~-~~~~~'t'.~ ~j~~ I ` t1 l 4~~~'ii+. t6. A PRECDNSTRUCTION MEETING MAY BE REQ131RED FOR THIS CONSTRUCTION. ~t,~ rt '~l '~t 4;, 17. PERMANENT GROUND COVER SHALL BE ESTABLISHED EITHER IN 15 WORKING PAYS OR
/ / ! ; , , ' f 465 ; _ 44~-' }i I > > 9D CALENDAR DAYS, WHICHEVER IS SHORTER, PER TOWN OF CARP REDUIREMENTS
! 5 / ~ ~ / / ~ / • I : ; + i Dips ~ / r , ww. ' 4,~{ 14 { 64 I`1~~'~`~+i AFTER CONSTRUCTION IS COMPLETE. SS 1$, TOPSOIL SHALL BE WASTED OFFSITE QR IN FILL AREAS AS SHOWN.
1 1 ~ ~ / / r% - _ ~I '452 I ti, t~ a' ; ~ ~ t1,ri~ 12 0' :S=:I:A~11C~ ~ ~ {r~~ ~ 19, TREE PROTECTION FENCING SHALL B£ INSTALLED AND INSPECTED PRIOR TO ISSUANCE
, i ~ ~''.s; ~ / , FiE 7S5 , , . ~j'I!8', r ~ _ iJC7 t 1 ~ / / . ; . '"'!'.,v/•/ .BQW:; 44 f err eft. Tss • = ~ / NDS , _ ' ! ( "r',`~~'+ OF A GRADING. PERMIT. FENCING SHALL NOT 9E REQUIREp ADJACENT 70 AREAS ! } ~'s`,o~i WITHOUT. WOODED VEGETATION.
; d _ ~ , ~ 20. ALL CATCH BA51N HOODS SHALL BE STAMPEQ DRAINS TO RIVER IN ACCORDANCE WITH
i 1 ~ ~ ~ i`!, r. , / / , ay .L'fE.4 3! ~ i 1, , " i' I 1_ FfE? ~ \ ~ J f, , ; % / , r' ,SPACE,,; iY.~; / r/' ' i ! 1 ~ i rr,A1 1 1 ""4i ~ 41 } jr, i ~'i ' TOWN OF GARY STANDARDS, i~ f ~i G ~ 4 4{ 4e; , 4{ } 1,`t t'ti 21, ALL CUT AND FILL SLOPES SHALL BE STABILIZED WITHIN 15 DAYS OF THE COMPLETION
1* i / /,%T ..%453 r/''-' / ; / .'7 ~ / eft.45535 ? I : ~ V7 64 ~ i ~ ~ 44 {(i ~ t, OF ANY PHASE OF.GRAQING OR 90 CALENDAR DAYS, WHICHEVER fS SHORTER. ANY
~ ; ~ ~ L •46T wv ~ ~ / / i •tiS~'r•/' ' % 6 / .F1't~495.$7:' j/ f ~f t ` _,4I } I ~ - INACTIVE DENUDED AREA5 SHALL BE STABILIZED WITHIN 30 PAYS, t a ~ 4{`~ il~ ti', 22. ALL STREETS ADJACENT TO THE PROJECTSHALL BE KEPT CLEAN AT ALL TIMES OR A
~ \ . ~ / . / , / ; , „T •45#33 i / 46 ,~63. , 1/{_~-'~, r' 14 ` i~~~~I~ WASH .STATION WILL BE..REQUiREp.
~ V ~ f ~ +1 f i ` / i'' li.r a+' d ? I'• ~ /I \ I ~ / / / } ~ ` f ir~7.~ ` ~ Q~~~7 ~ ~ ~ 1,~11I 23. THE PR~IECT I~BETS~~~A~L~REQUIRE~IENTS RELATIVE TO BEST MANAGEMENT PRACTICES
~ r i • 4 • J ` i ` / .t ~ / ~ ` I / i• .Sd I .46733 / 'r~/,`/~/ ,r~ f ! ffE~4po.OQ ,ryy? Jfi' •458 ~ r-p17G x'/67 {1 441 1 y~''t AND ENGINEERED STORM WATER CONTROL STRUCTURES A5 OUTLINEp IN THE TOWN OF ~i , ;s {4 CARY UNIFIED DEVELOPMENT ORDINANCE CHAPTER 10, PART 3.
~ r / / / .r eFte452.5D r p 7' I tti ; y'• , f• l / / ,.451.33' ,~V~ i i I r--- ~t~i _ I 1 •+64 t \ ~ , . / 1 ~ ''J ~ . •S r •459 , I , I I , - 1 ~ t •467 ~ r r ~ j } 24. RISER STRUCTURE5 MUST 6E ON SITE BEFORE GRADING PERMIT IS ISSUED.
~ i / , + I ~ I r467b1 \ ~.p•i•.•/?. i : //I i• / ~ 1, r453, / r; / II i M4 ,Y I 1 t .!16731, t t ~B7 rr ~ ( {4 ~ 44 } 25 STAKEDIINI THE FELD ONCE ROUGHLGRAD~NG HAS BEEN PER Q MEDOAND BEFORE THE
/ ~ 61. \ ~ 1 i ` •r ' r 1/J / /j ` f ~ `4 `q'~ ' +'~TE•~5&tT / r f..._ 6$ I r 1 t •i ~ / ' n...l./•~ ~ ~ ` ! • • I ~y] / ' fFt SA5 • ' p f x457 \ k I r4 7 , ./6I II~ 61 : ~ ~ ~ 1`4 41 44 / ~I 1 ~I'1'1 FIRST BUILDING PAD iS STAKED.
1 r 1 ! •r' ,•I ~ s,'7 / ,156,~3f 1 i~$. i I •767.11•_
ti ~ , \ '!r r ! ''r"' ~ rr'/ r' ffta451 r• r• N I LY' I 4_ i ~ - _ 1 _1. ..r ?4 ~ ~ r ,!I' ~ ~ I / GF.E. ; `.t, f r. ? r'' r .17'~i I ~ , 1'
i ~ * ~ / .ly. i., i • ' / . / ,~4`-''-'• / / / ~ \ ,777 i I i AbIt93 t . ` ti• ~ / / //1 ! ! / i`. ~ I,. ~Ffi656.B3 . '+Jf/ i. j .46733 X18 t
"16' I 1 Y ,44 9{~~~ 4{'1 4 ` TOWN flF CARY PLANNING DEPARTMENT REQUIRED GENERAL NOTES
,1 , \t 1 •±Sea!~ . I - ~ ~ _ _ ~ ~ t A. TO.MINIMIZE DAMAG£.TO.EXISTING TREES NEAR THE INTERIOR ED(IE OF
;20.'TOWN Of i',i (rtt:A4!!<LO'^. 4r.•' ~ / I 1. ~ SANITARY SE ~I11 i' !,l r•'• rifcr~T.63 ! ~ i• ,~:;55J1'°3 . i t t. 't 7Q; ( ea • iff,16I ` 4' 1 1, 'u 4f }.,y~ a,~ BUFFERS ANDSTREETSCAPES, THE CONTRACTOR SHALL CUT MINIMUM 2"
/ : ,r' , 1 \ .467.57- J ^w,: `,;EASEME~ El / / , 'i / ~ ? f S +453 ? s ' 1 x466.67-- .46 - 1 ~ {r'~4 • I ~ , , TRENCHES ALONG THE LIMITS. OF. DISTURBANCE, SO AS TO ~ CUT, . ~ ~ ~ i { .•44 44 ` ~,,1 ';1r RATHER THAN TEAR, ROOTS;
/~1 \r'`" 'P~VE - , ! l ~ r, ~ , ; .r ; I; fft•451 + ~ i ~ 1 t U' - " 1 ~ i , r r' • r ~ ii f ' / ;BOW: 'CFt•496,00, / I S + I ' CFt~4 I 711 ! ,M4
/ h ! iOW:/",445 I 6 I + - - _ .46s r„ ; , , f l r ~ ~4 ' ~ f .447:!7'=- _ I -1' ;'ti ~'\r~ ' / : r • i, W:l` 1{"~, t r~ ~ ' b'~ , ` I ~ k ' :4Y! t r+:~' \ \ . +Ni6:67 " ~ } { ~ . _,w 41 1 B, THE TREE PROTECTION FENCE SHALL 6E MAINTAINED ON THE SITE UNTIL , r ALL SITE WORK IS COMPLETED AND THE FINAL SITE INSPECTION PRIOR
\ ~ ~ ? ',1: ! I' !?wr ~d46~80 r4' ~ :l ' .4 .83`. ` \ \ 1 - -t M66. 7 ~ 4}~ 44 TO THE CERTIFICATE OF OCCUPANCY (CO) IS SCHEDULED. THE FENCING
, •44Y91 1 1 - , t, / ~,.~;,ter.,; ;-l. r , f ;1 I ~~FE•451aT a--- - t .465 ~ , ! \ I :4,13 ~ ~ ! ! ,1 ( a~' SHALL BE REMOVED PRIOR TO FINAL SITE INSPECTION FOR THE C0: ~ ~1~ ~py 1
/ it r ~ f~ : • 1 .>1 a J ` i ; X32 ; , ;I r \ SPACE w7 , 1 ~ t,.
f l l\ / I r 3.' l w• ~ i w458 i 1 M461S50-' 1 • 1.'' f . _ s c ~ I{, ,-{~,I ~ NOTES I , ;
~ ~ ~ 1 i 1! I ~ 1 w, \ I \ \ LP ~ 1, • ' fFE•463~ 7 - ;1 ! '"j!'/ I 4. r ~ _ -1 462. t,. ' i~ i " 4{ ` 44 } 1, LEVEL SPREADERS ON THE PROJECT MUST BE LOCATED ON COMMON OPEN
~f /i jr ! f' I ( r ! I ~I r, CiB 6 ° r r \ _ ' ` i A9•4 , ; '!13 , . ~ `r I L-, . 117, r , 4y _ ? _ , _ _ I I 1.- ~ . , ADS/ - ,3 ~ 44 r~ { ~ SPACE, HAVE ACCESS AND MAINTENANCE EASEMENTS LOCATED AROUND
• i 5 .4 r 1 ~ i ' t ~1 i o 61.66 r/! /f/ it II' t t iV I ~ _.'4~ ! / / r 1 i J ~ , ••M6,W r. \ •46.5. 1 { I' p ` ~ THEM AND INCLUDE AN OPERATIONS AND MAINTENANCE MANUAL AND A i. ~ ; ` } l{ D ~ {4 } y , ` MAINTENANCE AGREEMENT.
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- - - - - - - - - - - -
0
F 'I
Date B Designer Scale M No. Revision Sheet No.
\ 1 PER TOC REVIEW COMMENTS 04/10/08 KW K!J 1" = 50' o
2 PER TOC REVIEW COMMENTS 05/08/08 KW 11 Drawn By Date TRYON VILLAGE TOWNHOMES c " 3 PER TOC REVIEW COMMENTS 06/11/08 KU RSM 03/13/08 GRADI~ ADING PLAN WITHERS RAV=FM=ML SW 3 ENGINEERS I PLANNERS I SURVEYORS
Checked By Job No. 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] www,withersravenel.com
CARY WAKE COUNTY North Carolina KU 02080134.00
Y

HANDWHEEL
ELEV. = TRASH RACK EARTHEN BERM EMERGENCY SPILLWAY
OUTLET STRUCTURE (SEE DETAIL)
SEE DETAIL EL. = 434.50
5' 10'L BROADCRESTED = MIN. WEIR EMERGENCY TOP OF BERM ELEV. 434.50 I I-I I ICI ~ ~ i=1 I I=''
SPILLWAY ;III-1 I I-1 _ 1=1 11=~) I-
HANDWHEEL ELEV. = 432.40 EMERGENCY SPILLWAY CREST ELEV. = 433.50 , I(l,;,lllIIIIII~l11=I~ )ILE~III433.50)IL ~I~Ii,III~;,II[-
t2 W A UATIC SHELF ~ .10:1 SLOPE (TOP Of RISER) 431 0 TQ. 430:00
E LEV.. 0 M` ' SECTION
TOA Of RISER ELEV. = 432.40 1 LF 2" DIA. INVERTED D 6" (TYP.)
DIP SIPHON NON-WOVEN GEOTEXTILE FABRIC SHALL N 5'x5'
NORMAL PQOL ELEV. = 431.00 D BE PLACED AROUND EACH JOINT OF
- RCP BARREL IN 2' WIDE STRIPS NWSE = 431,00 UPPER INV. DIP .SIPHON - 1 CENTERED ON JOINT, (PRE BCASTRSECTIONS) 4" DIA. PLUG VALVE (SEE EMERGENCY SPILLWAY OUTLET STRUCTURE
t0 BARREL (FES) 1
J J ~ MATERIAL SPECIFICATIONS) N.T.S.. i1) ~
" I RT DEP SIPHON 1 INV. OUT = 427.00 t t LF - 2 DIA. NVE ED u~ g. NOTE:
.WATER TIGHT GASKET SEAL SKIMMER MAY VARY SLIGHTLY VEN FROM ILLUSTRATION SCREEN ACCESSIBLE THROUGH DOOR
in i
'S• ~ 62 LF - 30" RCP O-RING RCP ®1.61 % (CL. III RCP) RAIN INV. ELEV. = 427A0 " RCP 0-RING RCP
1 ` ~ < FOREBAY 'h• WATERT[GHT SEAL TO BE PROVIDED 0 0 0 ~
- - ~ AT RISER/BARREL INTERFACE _ 1 1 NCDOT CLASS "B ar 1" RIP RAP ~ a a a
° RAI TRASH UARD SEE DETAIL BARREL 1 ir 15'Lx17.5'Wx22"THICK D N G ( ) i BA REL INV. IN = 428.D
INLET PIPE ~ INV. IN = 427.61
(SEE CONSTRUCTION DIP INV. . FLOAT
PLANS FOR INFORMATION 3 LF - 4" DIA. DIP ANTI-SEER COLLAR (2) SEEP COLLARS TO ELEV. - 427.00 . ) BE SPACED AT 20' O.C. {SEE DETAIL). e. q • ~ 'a a•
4" DIA. PLUG VALVE (SEE COLLARS SHALL BE PLACED A MINIMUM n OUTLET STRUCTURE OF 2 FEET FROM PIPE JOINTS. 3 LF - 4" DIA• DI DI q Q•
MATERIAL SPECIFICATIONS) 5
KEY TRENCH (SEE BERM MIN. SOIL AND COMPACTION I'- FLEXIBLE JOINT
CONCRETE ANTI-FLOTATION BLOCK SPECIFICATIONS} (SEE OUTLET STRUCTURE DETAIL} CIRCULAR CONCRETE --J ARREL PIPE LONGER. THAN SHOWN INCRETE 4" pIP W/2" ORIFICE NOT INCLUDED WITH SKIMMER
NOTE' ANTI-FLOTATION BLOCK ON BLOCK PLATE TO LEVEL OUTLET END; CONNECTION SUPPLIED BY. USER
RISER BARREL, SKIMMER AND OUTLET PIPE SHALL BE INSTALLED PRIOR TO SPREADER TO OUTLET PIPE OR RISER
THE BEGINNING OF OVERALL SITE GRADING AND SHALL BE UTILIZED AS A
SEDIMENT CONTROL DEVICE DURING ROADWAY AND UTILITY CONSTRUCTION. OUTL PERMANENT DAM CROSS SECTION T ONCE :SITE HAS BEEN STABILIZED AND GRADING IS COMPLETED THE BASIN CUTLET STRUCTURE DETAIL SKIMMER DETAIL
•S• SMALL 8E CLEANED OUT AND STA9161ZE0. THE SKIMMER DEVICE SHALL N.T,S, N.T.S.
_ _ BE REMOVED, _
WET DETENT[ON POND DESIGN
6.3' DIA. REBAR RING POND OUTLET STRUCTURE OTES:
DIMENSIONS ELEV. (FT.)
4.1' DIA. REBAR RING 1. 30" RCP OUTLET BARREL SHALL BE CLASS 111 RCP MEETING THE REQUIREMENTS OF ASTM C76. THE PIPE JOINTS SHALL BE "0"-RING TYPE JOINT. NORMAL POOL 17017 SF 431:00
POND BOTTOM 8318 SF 427..00.
2. THE MANHOLE OUTLET RISER SHALL BE 5'x5' LD., MEETING ASTM C-478R AASHTO M-199 MgNOLITHIC TOP OF DAM WIDTH 5' 434:50
BASE. THE MANHOLE JOINTS SHALL BE ASTM C-443 RUBBER GASKET JOINTS. MANHOLE JOINTS SHALL 8E SECURELY ANCHORED TOGETHER TO PREVENT SEPARATION. CONTRACTOR 15 RESPONSIBLE FOR EMERGENCY SPILLWAY WIDTH 10' 433.5}
" " , " DESIGN OF THE MANHOLE SECTION ANCHORING. SYSTEM. 1 YEAR STORM SIPHON 2" 431.00
6.3 LFx2 x2 x1/4" ANGLE 2 6 3. OUTLET STRUCTURES SHALL BE PROVIDED WITH STEPS 1'-2" ON CENTER. STEPS SHALL 8E IN . RISER - DIM AND TaP 5'x5' 432;40
1 ~ ACCORDANCE WITH NCDOT STD. 840.66. OUTLET PIPE SIZE AND INVERT IN 30" RCP 428:00
ELEV. 432.40 OUTLET PIPE LENGTH AND INVERT OUT b2 LF 427.00
TOP dF RISER t~ 4. CONCRETE ANTI-FLOTATION BLOCK SHALL BE INTEGRALLY ATTACHED TO RISER BASE TO PREVENT ( ) RISER/BLOCK SEPARATION, OR PRECAST AS THE EXTENDED BASE OF THE MANHOLE DURING fABRICATION. ANIT-SEEP COLLAR SIZE 7'x7' N/A
iF THE CONCRETE ANTI-FLOTATION BLOCK I5 CAST SEPARATE FROM THE MANHOLE ASSEMBLY THE ~4 REBAR NT T R HA L BE RESPONSIBLE FOR ANCHORING 7HE ANTI-FLOTATION BLOCK TO THE MANHOLE DRAIN PIPE DIA. AND INVERT 4" 427.00
(TYP.} 6. CO RAC O S L ~4 REBAR RISER ASSEMBLY. ~
• . 5
OUTLET 5TRUCT RE MATERIAL SPECIFICATIONS: , 0.73' - • ~
nP• a . 1. ALL POURED CONCRETE SHALL BE MINIMUM 3000 PSI (28 DAY) UNLESS OTHERWISE NOTED. ~ i ~ • ! ~ ~ 1 . i ~ J ~ 1 ~ ~ ~1 ' , ~ ~ ' I I i ) ~
' ~ " ~ ~
6' 2. GEOTEXTILE FABRIC FOR THE 30 RCP OUTLET BARREL JOINTS SHALL BE AMOCO SME 4553 ? - P YP P - OV N N D PUNCH R APPROVED EQUAL NON-WOVEN FABRIC % ~ % ! ' dL RO YLENE NON W E EE LE ED O ( ) ~ - ~
r~ THIS SECTION OF TRASH RACK ELEVATION VIEW ~ ~ • • i~ ~ ~
Td BE HINGED To ALLdw BERM SOIL AND COMPACTION SPECiFICq,TIONS: - ~ ~
P NI T BE ` r .ACCESS (O E NG 0 HINGE 5 X 5 RISER ~ , CENTERED OVER THE STEPS) 1. ALL FILL SOILS FOR BERM SECTION SHALL BE CLEAN, IMPERMEABLE MATERIAL AND COMPACTED TO AT j ~
LEAST 95% STANDARD PROCTOR MAXIMUM DRY DENSITY, AT OPTIMUM MOISTURE CONTENT. NO BLASTED ~ t0 EMERGES I ~L NEB ~ . ~ Q~~ ~ ~ ~ ~t ; I t ! , . ) + y .I•~ ,
MATERIALS SHALL BE USED IN THE EMBANKMENT CONSTRUCTION. SOILS SHALL NOT EXHIBIT SIGNIFICANT • t0 EMERGES SHRINK/SWELL-dR DISPERSNE CHARACTERISTICS. ON-SITE GEOTECHNICAL ENGINEER SHALL APPROVE SPILLWAY ~ SPILLWAY AND ©OWI~ STRE9K~~ ~ i ; ~ ~ j i ; 1 ! t'
- " ~ SIDE 11~ITH'P PAD LOCK THE SOILS FOR PLACEMENT WITHIN THE BERM SECTION. THE GEOTECHN[CAL..ENGINEER SHALL AL50 % ~ ~ ~ PFJ SIDE N~TH'PYRA~MAT INSTAl;CED; ! j ~ '1 ~ 1 ~ "i ~ t PER MAN'UFACT~}RERS`• / 1 % , 4 , I I t + ) _ ~
SPECIFY THE METHODS TO BE USED FOR PLACEMENT OF RLL. IF ADDITIONAL USES PLANNED UPON THE R TION I I TH GE TECHNICAL ENGINEER SHALL SPECIFY SOILS SUITABLE FOR ( ~ ! ; f F BE M SEC (BU LD NGS, ETC.), E O t ,`fR COMttiifNQATIONS)l ~ + i , t ~I + - , ~ ~ } ~ , t
THAT ADDITIONAL USE, ~ ~ - 1 ; , l 1 ~ i ~ ~ ~ + ~ + ~ `
• ~
AR F T A I OMPACTION TEST SHALL BE CONDUCT D EACH 2500 SQUARE > 1 2. IN ALL FILL EAS 0 HE BERM, SO LS C E , FEET PER VERTICAL FOOT OF FILL. ~ , ~ i ~ + ~ + 1 ~ ~ 1
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3. A KEY TRENCH .IS TO BE PROVIDED IN ALL' FILL AREAS. TRENCH TO EXTEND A MINIMUM OF FNE FEET ~ BELOW EXISTING GRADE. SOILS AND COMPACTION FOR KEY TRENCH SHALL MEET ALL REQUIREMENT OF ~ ~ ; ~ ~ 1 t , ~
4 REBAR. WELDED ~ ~ - ~ ~t ABOVE. j /
rr (TYP.j (SEE NOTES} 4 NO TR OF ANY TYPE MAY BE LOCATED ON 7HE BERM SECTION. • . ~ ~ 'r' EES
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FILL PLACEMENT SHALL NOT EXCEED A MAXIMUM 8" LIFT. EACH LIFT SHALL BE CONTINUOUS fOR THE / 5• . , . ~ ~ ~ / ~ + ~ ~ V
ENTIRE LENGTH OF EMBANKMENT. BEFORE PLACEMENT OF FILL FOR THE BERM SECTION, All ~ ~ UNSUITABLE MATERIAL SHALL BE REMOVED AND THE SURFACE PROPERLY PREPARED FOR FILL PLACEMENT. f ` i
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STATEMENT OF RESPONS181LITY: • • l; I
, 6.0 1. ALL REQUIRED MAINTENANCE AND INSPECTIONS OF THIS FACILITY SHALL BE THE RESPONSIBILITY OF THE ~ ~
TRYON VRLAGE TOWNHOME ASSOCIATION, PER THE EXECUTED OPERATION AND MAINTENANCE AGREEMENT ~
LF OF 4 PVC ®.0: FOR THIS FACILITY. r r' - INV. IN = 427,00-'J PLAN VIEW T _ 4 . 1 ~ / l ~ - ~I I ~ I 1 ) I 1 1 ~ 1
INV.OU 26.6 r ~ _ ~ 1 ,
u ` NOTES: - / / ; ~ /
~ ~ / ~ w i ~ , 1. ALL REBAR TO BE ~4 REBAR. / ~ /
~ 2. ALL REBAR AND ANGLES TO BE 6ALVANIZEp WITH A BITUMINOUS COATING: / ~ ~ P I P I J E ~ f I I t 1 t -
3. THE HOT-DIPPED, GALVANIZED 2x2 x1/4 ANGLES SHALL BE WELDED TO THE REBAR TRASH f / i ~ / RACK. ONCE WELDED, THE ENTIRE ASSEMBLY SMALL BE PLACED ONTO THE MANHOLE RISER CONCRETE ANTI-FLOTATION BLOCK ~ f /
3 LF - 4" DIA. DIP r ~ WITH ANGLES SITTING DIRECTLY ON TOP OF THE RISER. " (SEE CROSS-SECTION) ~ ' / t ~ ~ 1 `
" M / J e 4, GAPS TO BE NO SMALLER THAN 6"X6 OR LARGER THAN 12 x12 / / l
o T ~ P~ A RF / / BOL 6' (TYP.} 9.5 LEVELS . E DE OR ~ j ~ al , ~ J ( I ! ~ ~ ~ ~
REAT~IENT FIRST INCH Q / 3' OND DIS RGE .OF 0.3 CF ~ / /
N " , , ~ ~ / ( } d , , 2x2" ANGLE IRON TRASH RACK ABOVE 2 ~ „ `
5'x5' 1 . , ? / /
~ ~ / / ANCHOR TRASH RACK Td R15ER WALL WITH FOUR EQUALLY SPACED I ? . ~ / .HOT-DIPPED GALVANIZED STEEL CLAMPS. EACH CLAMP ATTACHED TO MANHOLE ; / ~ ~ / r
" " 1n (PRE CAST SECTION) ~ , / RISER BY 2-3 x1/4.. CONCRETE ANCHOR BOLTS EACH CLAMP TO BE COATED f fj, ;E 2' ~ .
~ / ; W/ A BITUMINOUS COATING, / ~ I~ ~ 1 /
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/ ' .Q K TAI ~ / .TRASH RAC DE L ~ ~ ~
17" !j ~ j/ N.T.S. ~ ~ ' 1 ~`ti ` y ` ~ t
o f / a / j / r ~ ` 1ti ~ ~ 1
m ' / j 3 ~4 REBAR N ~ ~
a 12" O.C. EACH WAY 1 2" PREFORMED JOINT " " ` \ } LIT- \ „ ~ I
~ / . " 4 x 4 6/6 WELDED WIRE ~ ~ / FILLER, 12 WIDE FABRIC EACH SIDE & i V V ~ \ c ~ / ~ J~ ~ I C`~`~ II llf ~ ` 1 ' ' ' ~
TOP 6 ~ / , / , J i _ ~
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" FRAME O'x0'x0' D ~ / ~ ( ) . / i; : r / r ` ~ ~ 0°0a ~ C11 D00 O A..
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' ~ \ ~ p 0 SEAL' 0 p o a 18 9 S o
N ~ ~ ~ ~
2000 PSF MIN. 8" ' ~ A. ~ VI \V 0
A BEARING CAPACITY EVATIO ' ~
e BENEATH COLLAR SECTION ~ P TION FOR SIZING DATA SEE BM SEC r . - ~ ~
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