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o o -o Owner 01 Site Plan Resubmittal 01 11 29 07
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02 Site Plan Resubmittal 02 02 14 08
/ 421 FAYETTEVILLE STREET APEX ROAD, LLC
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i, SUITE 400
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enpermisaionofstewartEngineering,Inc.rn FReTOWN OF CARY SITE PLAN SUBMITTAL # Revision Date
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CD - SWIFT CREEK APEX ROAD LLC
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O �� oA �� Stewart Engineering,Inc.are instruments of professional service inkended for one-time use.They are subject[o
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�I written permission of Stewart Engineering,Inc.
m TOWN OF CARY SITE PLAN SUBMITTAL Rev # Revision Date
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- PROPOSED HEAVY DUTY ASI :AVY DUTY ASPHALT PAVING Project No. C7031
~ IN FEET~ Drawn By IAM
- PROPOSED CONCRETE PAW 07-SP-112 1 inch = 50 ft. )NCRETE PAVING APPROVED Checked By RAH
- ADA APARTMENT UNIT :NT UNIT TOWN OF CARY Issue Date, 10.11.07
Approved by Date
Planning Date SITE PLAN - NORTH
Engineering Date C301
SHEET 5 OF 81

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07-SP-112 1 inch = 50 ft Drawn By IAM
APPROVED Checked By RAH
TOWN OF CARY Issue Date: 10.11.07
Approved by Date
Planning Date SITE PLAN - SOUTH Engineering Date C302
SHEET 6 OF R1

i
GENERAL GRADING NOTES o
1. ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE N
FIELD VERIFlED BY THE CONTRACTOR PRIOR TO CONSTRUCTION. ~ ~ CONTRACTOR SHALL NO11FY CONSTRUCTION MANAGER IF ANY
DISCREPANCIES EXIST PRIOR TO PROCEEDING WITH CONSTRUCTION FOR N
~ NECESSARY PLAN OR GRADE CHANGES. NO EXTRA COMPENSATION O O
SHALL BE PAID TO CONTRACTOR FOR ANY WORK DONE DUE TO
DIMENSIONS OR GRADES SHOWN INCORRECTLY ON THESE PLANS IF ' `s# SUCH NOTIFICATION HAS NOT BEEN GIVEN.
t ~ o ~
2. WHEN HAND PLANTING, MULCH (HAY OR STRAW) SHOULD BE 'N
APARTMENT PARCEL (13.14 AC) ' ° UNIFORMLY SPREAD OVER SEEDED AREA WITHIN 24 HOURS OF ~ ~ " SEEDING. ~ ~
COMMERCIAL PARCEL (3.13 AC) ~ ~ ~ ' ~ ~ D!
OWNED BY SAME DEVELOPER \ 3. EROSION AND SEDIMENT CONTROL DEVICES MUST BE INSTALLED ~ ~
AS APARTMENT PARCEL. AND INSPECTED PRIOR TO ANY GRADING ON SITE. PLEASE CALL FOR
v.. STORMWATER MASTER AGREEMENT AN INSPECTION. c ~ , s.;: . p.,.,. ....._,,,,,,,,,..a
ILL BE DEVELOPED BETWEEN ~ 4. PROPOSED POND AND BMPS SHALL BE MODIFIED TO TEMPORARY ~ ~
PARCELS. ,.~_r, " SEDIMENT BASINS AS NOTED ON PLANS. INSTALL INLET PROTECTION
r..~ AROUND OUTFACE. MAINTENANCE WHEN SEDIMENT ACCUMULATION ~ ~ a:: ~ EXCEEDS 1 FOOT IN DEPTH. RE-ESTABLISH PROPOSED GRADES UPON
z;::,. ' ~ COMPLETION AND STABILIZATION OF SITE WORK. >
, . ' ~ N ~
t .,..,,~r..:.. w,-.a, 3 5. SEDIMENT/EROSION DEVICES MUST BE CHECKED AFTER EACH O O ~
. _ , • t.. ~ , 5 ~ . , a ~ STORM EVENT. EACH DEVICE IS TO BE MAINTAINED OR REPLACED IF - SEDIMENT ACCUMULATION HAS REACHED ONE HALF THE CAPACITY OF
, • , , , . , - THE DEVICE.
. ~ ~ : w ,.w... . , - „
~ ~ 6. TEMPORARY GROUND COVER WILL BE ESTABLISHED IN 15 DAYS. a.. ,
> ~ ; . 7. GROUND COVER ON CUT. AND FILL SLOPES WILL BE ESTABLISHED
.,r.:: C . ' IN 15 CALENDAR DAYS.
: r~ - . . .
. , „ :U. l , . : , , ,.:~Y..... • ~ ~ \ ti: 8. AT ALL INTERIOR EDGE OF BUFFERS AND STREETSCAPES, THE CONTRACTOR SHALL CUT A MINIMUM 2' WIDE TRENCH ALONG THE ~
~ u a: ' ..,.....,1. 4.. r v '...o:....: ~ ` LIMIT OF DISTURBANCE.
•Z • ' ~ l\... ~ \ . . ~ \N... \ . ;i.....a , ~ ` ' SILT & TREE PROTECTION FENCE;
: 'n , :o .....J •,..•.i ~\1L ? \ V' . : a ` 1 FOOT SEPARATION, SILT FENCE 9• A GRADING PERMIT WILL NOT BE ISSUED UNTIL THE TOWN OF
. i.. k:. u.. ~ 1 a w, ` ~ ; ~ CARY HAS RECEIVED NOTIFICATION FROM NCEEP THE WETLANDS ' , • ADJACENT TO DISTURBED AREA AND RESTORATION FUND (WRF) THAT A RECEIPT HAS BEEN ISSUED TO
. ~ . : ' TREE PROTECTION FENCE ADJACENT THE DEVELOPER AND THE LOCAL GOVERNMENT STATING THE
~ ; . TO UNDISTURBED AREA) NITROGEN BUY DOWN HAS BEEN COMPLETED. y
' i t . Y ~ : ~ ' ~ ~ 10. TREE PROTECTION FENCING ON THIS PROJECT WILL BE INSTALLED U j o 0
` - ~ n ` ' AND INSPECTED BEFORE THE GRADING PERMIT IS ISSUED. TREE - ~ o ~
/ , .J . ' : a. : i ~ , PROTECTION FENCE SHALL BE MAINTAINED ON-SITE UNT1L ALL SITE o o ~
: . i WORK IS COMPLETED AND THE FINAL SITE INSPECTION (PRIOR TO Q w N ~ ~
. F i , `v , : ~ l:, . , , .,i•'' , : ~ ° ~ CERTIFICATE OF OCCUPANCY) IS SCHEDULED. FOLLOWING THE L ~ Q z ~ ' ~ CERTIFICATE OF OCCUPANCY SITE INSPECTION, THE FENCING MAY BE ~ x a ~
: ~ ~ : . r 1 t. ::J . t . ` REMOVED. w ~ rn
. , a : ~ ;'j 3 ~`~Q`- ' 0 Q~Uaii
~ , ; : .....,STOCKPILE... ~ ` • , . : . ; , - 11. PROJECT MAY REQUIRE APRE-CONSTRUCTION CONFERENCE
. _t , , : _ , , z,.. . ' j~'' BEFORE THE GRADING PERMIT IS ISSUED. P~~MgN T RISE ST~UIRE; AND II
a ; , OUTF PIPING TH LEV~f, pREADER 12. REFER TO EROSION CONTROL DETAIL SHEET FOR SEEDING
> . ,,POND .S IS SIZED 0 A p „ , . . : ° ~ SCHEDULE AND SEEDBED PREPARATION AND SOIL AMENDMENTS. a ~
. MAXI to `.LMP : ~T , j ~ U ~ N ERVIO . ICNI~TS . ~ :I A ~E - : : . . , \
:';OF 67 518...SF``1MTHIN E..... : : ~ v. , uru E a . ~1 1 13. STREETS IN ADJACENT TO THE PROJECT WILL BE KEPT CLEAN AT ` ~ ALL TIMES OR A WASH STATION WILL BE REQUIRED. J Q
t F R -COMMERICAL . . , t . E RASE I ~ r..
pARG L ' P : tP , . LIMITS 0 / ; 14. RISER STRUCTURE AND BARREL FOR SEDIMENT BASIN A MUST BE Q ~
E ~ : ANC B . t ~ , ~ d1. ~ . ~ ' ~ ONSITE PRIOR TO ISSUANCE OF GRADING PERMIT. ~ z ~ . ~
, : . , • ~ ATOR P'AD, : e ~ ~ EROSION CONTROL NARRATIVE - PHASE I J m
` , . W ~ ~ ~ f~ETAININ. WALLS' (TYP~.) ~ THE ~ ACRE NORTH DRAINAGE AREA WILL DRAIN TO THE III ~ ~
4 ' M, \
, •:°:`.I~~"I E~ DISSIPATOR PAD i r" \ 1 / „ 6 , T E AND 15 7. TH ~ / ~ UNNAMED STREAM RUNNING ACROSS THE NORTH EAST W z ~ z • ~ ~ ~ ~ ~ CORNER OF THE SITE. SEDIMENT RUNOFF DURING Q Q
\ \ : ` P~RMAN TRIJC UR L :X 5 W X 22 K ENT kI~~.ER~ S ~ , t ~tp / ~ CONSTRUCTION OF THE SEDIMENT BASIN A WILL BE ~ O U
OUTI=ALLrPI ING:::WITH •V P P LE EL': S READER ~ , , ~ ~ ~ ~iya,., ~ CONTROLLED BY SILT FENCE, TEMPORARY DIVERSION DITCHES ~
I; r ,~a; ~ M ~ : AND SILT TRAP "A" AS SHOWN ON THIS PLAN. U = W ~ r ~ >
~ INTERN IA ED GRADIN :FOR Tl* G: ` ~ G
• ~ ~ CbNSTRUCTI~N OF ~ r : , t ~ ~ ` ~ SE r THE §,Q ACRE SOUTH DRAINAGE AREA WILL DRAIN TO A 24" L ~ ~ ~ CULVERT CROSSING AT W, CHATHAM. DURING CONSTRUCTION
TB I DIMEN t ~ ~'Ai` r , / OF THE SILT BASIN "B" SEDIMENT RUNOFF WILL BE ` ~ }
i. ,~~;~A~~VA~VA A~ i y ~ ~ / ~ ;~~%p' / a ~ CONTROLLED BY SILT FENCE, TEMPORARY DIVERSION DITCHES ~ z ~
VA. V~ it 1.~~ r .~..~A.AV.,~ir .t;~~ ' / ~ ' ' ~ f „AND SILT TRAP "B" AS SHOWN. ~ O Q
\...A A ti,..,c ~.,o r~~ ~ ~ . ~ of ° i ~O~ / I~(ST~LL FARM .PIPE AN~.~~ ~ ONCE SILT TRAP, DIVERSION DITCHES AND TREE PROTECTION ~ LL ~A?~. ~ / ' S'TRU;CTIi1~ES WITHIN..POND;.AAM gREA U ~ 0
' n ZM,d ~ \ z t, t eQ~'~ t / IS IN PLACE CONTRACTOR MAY, WITH PERMISSION FROM ~'+h ~ DUPING COI~STRUtrTfON OF~,SEDIMENT T.O.C. BEGIN CONSTRUCTION OF SEDIMENT BASINS. Q
i ` ~ \ ~ 'r A v .a:: 1 t f ' tA. , / F ~ ` v.,, . \ ~ ~ BA51N A, ;STRUGTU~ES TO'~~EMAIN' Z
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• . N t............ :.w.,, w ~ . a,..» , . c w ~ - ~ Project No, C7031
M m R . . . _ f~N~3FFF~°T'HEI~~..FL4V~S...T~.. w . , t I HAR ATI N ~ ~ B wr:..~
` SWALE WHICH RUNS ` RUNOFF WI F W ` LL LO FROM CONTRACfiOR TO CONSTRUCT RETAINING ~ o ~ u ~ g
; THE SITE TO THE PARALLEL TO THE RAILROAD. ,..:....:..r.. WALL AFTER SITE HAS BEEN STABILIZED ~ ~ ~ ~ gEvE
INTERMITTENT STREAM AND THE POINT AT WHICH THE ::..,..........INCREASE IN.....FLOWS..I.S...LESS . AND STORM DRAINAGE SYSTEM IS - „ J n ~ N ~ ~ \ a&~m
THE 24" CULVERT CROSSING THAN 10~ FOR THE 10 YEAR COMPtEl'E ~ ~ . o w o UWOD 1p ev ~0~~03 ~ O=M ~
OF W. CHATHAM AND ONTO STORM IS AT THE END OF • A SWALE ALONG W. „ a`--?@
CHATHAM THE 30 DIP CULVERT. LL Wi~+~'01 vzov .-i ra QJ Of Of v~v~
7U OCHLL I m°`;
CONSTRUCTION SEQUENCE CONSTRUCTION SEQUENCE E ROSI ON CONTROL LEGEND iil
WET POND CONSTRUCTION NOTES TEMPORARY AND PERMANENT EROSION CONTROL MEASURES PEAK FLI PEAK FLOW -NORTH I- =v=EV -SF & TP- -SILT & TREE PROTECTION FENCE -SEDIMENT BASIN E~
SHALL BE PROVIDED FOR ALL LAND DISTURBING WORK IN 1. INSTALL TREE PROTECTION AS SHOWN. 1. PROPOSED WET DETENTION POND SHALL BE USED AS SEDIMENT BASIN DURING ACCORDANCE WITH AN EROSION CONTROL PLAN APPROVED BY 2. CONDUCT PRE-CONSTRUCTION CONFERENCE IF REQUIRED BY TOWN OF CARY. PRE-DEVEI PRE-DEVELOPMENT 10-YR PEAK = 18.94 CFS ~ FOOT SEPARATION, SILT ~ q
CONSTRUCTION. EXCAVATE THE PONDS TO FNAL BOTTOM ELEVATION WITHOUT FOREBAY THE TOWN. A GRADING PERMIT SHALL BE OBTAINED FROM THE 3. INSTALL SILT FENCE AS SHOWN FOR PHASE 1 RISER, OUTFACE, AND STORM DRAINAGE PIPE POST-DENT FENCE ADJACENT TO DISTURBED °~Y°; POST-DEVELOPMENT 10-YR PEAK = 34.86 CFS AREA AND TREE PROTECTION • ' ~`gBo
BERM. ( TOWN PRIOR TO BEGINNING SITE WORK. TEMPORARY MEASURES SHALL BE ONSITE PRIOR TO CONSTRUCTING SEDIMENT BASINS). ~p -INLET PROTECTION ~ ~ ~~°-N FENCE ADJACENT TO E==Eo
SHALL BE INSTALLED AND INSPECTED BY THE TOWN PRIOR TO 4. INSTALL ALL EROSION CONTROL MEASURES AS SHOWN AND DESCRIBED BELOW. 2. LOCATE STOCKPILES UPSLOPE FROM EROSION CONTROL MEASURES AS SHOWN ON THIS ANY LAND DISTURBING ACTIVITY. ALL PERMANENT EROSION A. X AV PEAK FLI UNDISTURBED AREA) ~`~\«>"~a oP=~E <wtvo PEAK FLOW -SOUTH SF -SILT FENCE ~
PLAN. ALL SOIL STOCK PILES SHALL HAVE APPROPRIATE EROSION CONTROL PER THE 5 E C AlE PARTIAL SEDIMENT BASIN (A dt B) AS NECESSARY TO INSTALL RISER.
A T CONTROL MEASURES SHALL BE INCORPORATED INTO THE WORK 5B. PLACE EXCAVATION IN STOCKPILE OR DAM AS SOIL TYPE DICTATES. L TES VERSION ON THE NORTH CAROLINA EROSION AND SEDIMENT CONTROL PLANNING AT THE EARLIEST PRACT1CAL TIME. ALL TEMPORARY MEASURES PRE-DEVEI PRE-DEVELOPMENT 10-YR PEAK = 15.56 CFS DD-- -DIVERSION. DITCH ~ ~ Ce ENTRANCE
AND DESIGN MANUAL INCLUDING SEEDING AND SILT FENCE AROUND THE BASE OF THE 5C. INSTALL RISER STRUCTURE, OUTFACE PIPE AND LEVEL SPREADERS. SHALL BE MAINTAINED UNTIL PERMANENT MEASURES HAVE 5D. INSTALL PHASE I STORM PIPE AND STRUCTURES AT SEDIMENT BASIN A DAM TO REMAIN POST-DENT STOCK PILE. ( ) POST-DEVELOPMENT 10-YR PEAK = 2.97 CFS -TEMP CONSTRUCTION
TAKEN EFFECT OR APPROVED BY THE EROSION CONTROL SEALED UNTIL CONSTRUCTION OF DRIVE. OFFICER. TEMPORARY AND PERMANENT MEASURES SHALL BE 5E. EXCAVATE REST OF SEDIMENT BASIN TO FINISHED GRADES; INSTALL SKIMMER AND -SILT TRAP
3. DIVERSION DITCHES SHALL BE INSTALLED TO ENSURE THAT CONSTRUCTION RUNOFF IS COORDINATED TO PROVIDE EFFECTIVE AND CONTINUOUS EROSION P SEDIMENT STICK. ARCS PARCEL IDNUMBER - 0753767512
DIRECTED TO THE SEDIMENT BASIN. DIVERSION DITCHES SHALL REMAIN IN PLACE UN11L CONTROL THROUGHOUT THE CONSTRUCTION AND WHICH TIME THE PROPOSED STORM DRAINAGE NETWORK HAS BEEN INSTALLED AND WILL POST-CONSTRUC110N PERT T MI I n 6. PLACE SOIL STOCKPILE NOT USED FOR DAM IN DESIGNATED STOCK PILE AREA. TOTAL DISTURBED AREA
OD 0 N MIZE SILTA ON OF 7. OBTAIN CERTIFICATE OF COMPLIANCE THROUGH ON-SITE INSPECTION BY EROSION CONTROL CARRY RUNOFF TO THE BASIN. STREAMS, LAKES, RESERVOIRS, AND OTHER IMPOUNDMENTS, CAR = 11.88 AC 0
OFFCER. METHO GROUND SURFACES, AND OTHER PROPERTY. THESE MEASURES g, REFER TO GENERAL GRADING NOTES THROUGH 14 ON THIS SHEET REGARDING METHOD OF WATERSHED ;~'o` ~••F~ss~o •~~2'':
4. UPON STABILIZATION OF ENTIRE SITE REMOVE SEDIMENT, REGRADE, ADD FOREBAY BERM, SHALL REMAIN IN EFFECT UNTIL FINAL APPROVAL IS GIVEN Y ~ # B PREREQUISITES FOR GRADING PERMIT. OBTAIN GRADING PERMIT. PROTE~ AND CONVERT RISER PIPE. THE TOWN. PROTECTION -WET POND ~ sEAL
9. PROCEED WITH INSTALLING REMAINING DIVERSION DITCHES AND CLEARING AND GRADING.
10. CLEAN SEDIMENT BASINS WHEN ONE-HALF FULL. ~o 033317 ~
11. MAINTAIN SILT FENCE AND OUTLETS AS REQUIRED. THIS SI 12. SEED AND MULCH DENUDED AREA WITHIN 15 DAYS AFTER FINISHED GRADES ARE THIS SITE IS NOT WITH ANY MAPPED 9~'••,F~ciNE~~•'•i~°
ESTABLISHED. FEMA 1 FEMA 100-YR FLOODPLAIN GRAPHIC SCALE '~~~''~%•.„HAMO`'~~``
13. MAINTAIN TEMPORARY SOIL EROSION CONTROL MEASURES UNTIL STORM SYSTEM IS IN
PLACE AND GROUND COVER IS ESTABLISHED. . 14. REQUEST FINAL APPROVAL BY EROSION CONTROL OFFICER. NO WF PRELIMINARY - DO NOT USE
NO WFTI ANDS HAVE RFFN InFNTIFIFII o ~o so +?o z;° rnn nnunTni inTin•i
15. REMOVE SOIL EROSION CONTROL MEASURES, AND STABILIZE AREAS USED FOR PHASE I.
16A. PHASE II EROSION CONTROL MEASURES SHALL REMAIN IN PLACE UNTIL FINAL COMPLETION ON THI, ON THIS SITE Project No. C7031
OF PROJECT AND APPROVAL BY EROSION CONTROL OFFICER. 168. INSTALL RETAINING WALL AT SEDIMENT BASIN "A" AFTER ENTIRE STORM, UTILITIES, AND 1N FEET) Drawn By IAM
ROAD SYSTEM IS COMPLETE. CONSTRUCT ROAD AT NORTH OF POND FOLLOWING 07-SP-112 1 inch = 60 ft
CONSTRUCTION OF RETAINING WALL. Checked By RAH APPROVED Issue Date: 10.11.07
17. CLEAN OUT AND EXCAVATE TO FINAL GRADES BOTH WET POND "A" & "B". TOWN OF CARY
Approved by Date Planning Date EROSION CONTROL PLAN PHASE I . C400
Engineering Date
SHEET 9 OF 81

00
GENERAL GRADING NOTES ~
N~ O
1. ALL DIMENSIONS AND GRADES SHOWN ON THE PLANS SHALL BE ~ N
FlELD VERIFIED BY THE CONTRACTOR PRIOR TO CONSTRUCTION. ~ O
CONTRACTOR SHALL NOTIFY CONSTRUCTION MANAGER IF ANY N DISCREPANCIES EXIST PRIOR TO PROCEEDING WITH CONSTRUCTION FOR
IMPERVIOUS AREA NECESSARY PLAN OR GRADE CHANGES. NO EXTRA COMPENSATION O O
Sidewalks & Concrete pad(s) 36,038.84 0.83 SHALL BE PAID TO CONTRACTOR FOR ANY WORK DONE DUE TO
Buildings 103,883.18 2 38 DIMENSIONS OR GRADES SHOWN INCORRECTLY ON THESE PLANS IF SUCH NOTIFICATION HAS NOT BEEN GIVEN. ~ ~ c
Pavement 131,572.65 3.02 0
Compactor 935.48 0.02 2. yVl-TEN HAND PLANTING, MULCH (HAY OR STRAW) SHOULD BE ~ ~ ~
APARTMENT PARCEL (13.14 AC ~ ~ ::.'Total 272,430.15 6.25 UNIFORMLY SPREAD OVER SEEDED AREA WITHIN 24 HOURS OF ~ ~ ~ j
~ N, COMMERCIAL PARCEL (3.13 AC) ?y I `'~r+~,~'owv~ SEEDING. ran ~ ~
OWNED BY SAME DEVELOPER o°oo A,. ~ v,.°°"' 3. EROSION AND SEDIMENT CONTROL DEVICES MUST BE INSTALLED ~ tY II
AS APARTMENT PARCEL. fo ` ~(D cc
STORMWATER MASTER AGREEMENT SITE TRIANGLE 15' X 360' AS PE ' N " . ~ a~~ AND INSPECTED PRIOR TO ANY GRADING ON SITE PLEASE CALL FOR AN INSPECTION. „ ~ o
WILL BE DEVELOPED BETWEEN ?t AASHTO SPECS f0 • D t: ,,::,,,.v H PARCELS. 4. PROPOSED POND AND BMPS SHALL BE MODIFIED TO TEMPORARY ~ a"
STREETS W/ 45 MP z ' ~ , " ...,....t._. . r1 ~ ` i~60 ; SEDIMENT BASINS AS NOTED ON PLANS. INSTALL INLET PR A¶~ON aJ a~ ~ r1 AROUND OUTFALL. MAINTENANCE WHEN SEDIMENT ACCUMUL ~ ~ ~
i ` : N b . ~ 4w.. EXCEEDS 1 FOOT IN DEPTH. RE-ESTABLISH PROPOSED GRADES UPON
„ . ~ ; .,.n.. t\ . , D tc Z .r V ~ COMPLETION AND STABILIZATION OF SITE WORK. ~ N ~
t , y,. , \ ~,.I i1" d~. , 4 . 61:0 ~4 . ~ :f ' \j .u
t. : : ~ ~ ,fir. t:. Gam; , . \ 46 ~ ` , y ' t~~ r ..J ~ ° 5. SEDIMENT/EROSION DEVICES MUST BE CHECKED AFTER EACH
~ N., > , t ~ ~ , ; ~ STORM EVENT. EACH DEVICE IS TO BE MAINTAINED OR REPLACED IF ~ / /r SEDIMENT ACCUMULATION HAS REACHED ONE HALF THE CAPACITY OF
, ~j " . t ~v ; l ` . ~ : ao ~ / THE DEVICE.
Z,~ ~ { t ~ s i, 7 . " \ , . : y t ,1 a a ,;,,r1-..... J„ BW 403,0
6 4 / 1 a\1 ` • ` 6. TEMPORARY GROUND COVER WILL BE ESTABLISHED IN 15 DAYS. 4 ~
i ..-~r ? , . , _ a ~ „v BN 400.3 4.>. . • - \`i ~ 7. GROUND COVER ON CUT AND FILL SLOPES WILL BE ESTABLISHED
' ,w`Y ? ~ at ' a ° ~r ~ III N Asti. ~ \ TR ~ G.:W : ~ / e\\~' BN' 433.0 a"c Y p , ~ / ; ~ I n~rl II r IN 15 CALENDAR DAYS.
:t t : v.. ~ a / , "r`\ 400.0 p ~ a,,~ , .r
~ ~ - t a ` y ~ emu) k.*""' dr.re?.. ~\\~.a. i~ ~~.a\. 'p\ 'a• a.•~` ~\'td;: ,y: b..e w. ' ` / e¦,~ / r 8. AT ALL INTERIOR EDGE OF BUFFERS AND STREETSCAPES, THE j, CONTRACTOR SHALL CUT A MINIMUM 2' WIDE TRENCH ALONG THE
\ '.f',.,::;::... „G r ..m,,.':~,. " ~ iN 4~.0 \ \ , v`S 4;. j. ~Cy y?0a \ v i,. t i y , A. : \..0 r y., y, , \ a.:. t' ~y ~i•.:U ::`b ,io '401 ~ LIMIT OF DISTURBANCE. I
„ , , _ , t•. v.,. p:<@,.t ,v:'o~'o \t'~p{j, tt::. i\:, \i`.a~'~~c., 1W ta: :o~v; ;~,}aat t'. Ml:o:. t:.: tx~, I.C• l , 0 ,~f•'y1 t•v\\. i. \l,. {a.} bC 1y,. p p i u.,.. r+'.. 6 .5-0.;a .bY?: °i~. S:b. ,j{. ,Z:~OC` ,yn `,i ';+j,.. ~p y.v:.:~d. ,A•. `qb M. ~t. ~~a333 U~\y\' ,a;
~.:.j 11,•0\~:a.y~y: b^.y: V:..v ~,,.~..Jb.v \ ?\)~:,vai,,t. al y. a;>'b `t ay v:.. ..,.:.,.v v ~,.''ll„ 1, 'ja}",{ ~ \ ..e :nas. r c.v : a..... i::: a\a:~:da :::...a. , V q , . a `.t(.)?'. pyt °a:.v,,;ua.y:.: ~,}a\•: W. ,t?v {y, t`l,C:i`} ~,!Y~ ~ ~ ~ ~ , ~ 9. A GRADING PERMIT WILL NOT BE ISSUED UNTIL THE TOWN OF
A ~;,,a y • . , ..n ~ .v J) 1. ~ A. y, A\. a, {y? 'i {v a\.:: 1.?•• ~ A ~ ~ ; ` CARY HAS RECEIVED NOTIFCATION FROM NCEEP THE WETLANDS s I ~ RESTORATION FUND (WRF) THAT A RECEIPT HAS BEEN ISSUED TO
Y ,.q„ W:.,.. J, , 'v. ` .,0 o. .a,j. \a \ a\..\a: ,.aaa`>' ~ etc>:p "'.\\'{~:a f:.. , „ ~ aN U'v: \n 1, lR.. ..0. 0.:11 :i .'l< ..>;:?•44' ~ ::y : p . . 1. : C. py\ {a Q<, .\',y ~w: o. • ' x; ?J: ,y:' y.•bt.. ,Y,,`.. oy ?C.:`t: ~ n>v?> v).\.,.. C. ae`yy :'v { .Q. ~.w ) , / ~ ~ THE DEVELOPER AND THE LOCAL GOVERNMENT STATING THE f 7' ~ NITROGEN BUY DOWN HAS BEEN COMPLETED.
I~ a\ ~'x I ? 1 t0 ,.b.'ay,^. a,..a .a ti#:`" .ir..';\.~t;:. HP \ , .a. ~ . , ,,a.,. at{.. Na•a`::~;,t:;t. ~v, bt`'C''<! y ~ ~ ~ . . t ,a: yn,.. •o'; fit.. .,,a yz.\: .}:..:~?.`a~ } / ~
. a a,. 404.e 3 a` I` \ t ..x, , av yAt. . I,. „
:'C;:J:v:~\j: t::, aR ~ ~a y:•a. )t`~~v , ,::y C„.:off:. ~ :_2 ::y Q : u; C a.\ ,t vn;} .b,.; {..?y { v~.? .a ~tv ...ti 0i. a: r'~ I/ I I , ~ / 10. TREE PROTECTION FENCING ON THIS PROJECT WILL BE INSTALLED J > m °o 0 / f AND INSPECTED BEFORE THE GRADING PERMIT IS ISSUED. TREE ~ ~ ~ ~ ~
, , ~ ~ c~ ~ ~ , ~ I I ~ ~ PROTECTION FENCE SHALL BE MAINTAINED ON-SITE UNTIL ALL SITE Q ~ N
. : t: , « i t ~ ~ ! ^t WORK IS COMPLETED AND THE FINAL SITE INSPECTION (PRIOR TO p o v ~
b , „ . , \ . ~ ? 401.0 t a. : C ® ~ ~ , J ti~ CERTIFICATE OF OCCUPANCY) IS SCHEDULED. FOLLOWING THE ~ ~ ~ z F 1
t 1 , 45:~ , v . ~ ~ :q ~ ~ ! CERTiFCATE OF OCCUPANCY SITE INSPEC110N, THE FENCING MAY BE ~ X O } _ w ~rno~ <'~ppp a / ` ~ //a~ ~ REMOVED. p Q U ~ ii
. ` i~' p : , a , ..\l v : ..b, y:...0..,. , , : : \.C\~b~~•t ,avbtjOv : :v , a• S\. .v: , S a) 0.:. ,:,>`•yo 'C. ,'j: aty , , „ , >0 ~ 'i\"• , , : a:?'.u.~ /Y _ •:'.`yJ't?y`~?•\ ~t,y.v v yC^. ~ Q ~ 1 ~n1aa r-
' ?~:~a u' C,: iv.{ n' {.~`C ~Ca )jL~'p\': 'a:y;~d@,'''y?„`C4.u C: .,n r-1<,,, f C:a{ :u..t ; ; \ v^~~,d!w C'\:.\.,..':y, ,t., `U::..q, v: ` , I i~ : + \ .?eb,.., q„,, ~u; iiii \ 11. PROJECT MAY REQUIRE APRE-CONSTRUCTION CONFERENCE
; \ , ',:?y ; { \.q c.? t Cut">~:\•\y?;' { 4'. H:x. Y ' y` 4 / a ;cif;>:`t,~'a«~"" y;. , 6 , _ t * o{ \ B 12AS ~~~\a,~`v'.' . t~ y ~ 0 tv: • , , \p - ~ / / BEFORE THE GRADING PERMIT IS ISSUED. ~k ~ ~ A 10018 I
, , , 11 ~ r W t..; ?tCB 15 uy\W"lam > SV.. d''`.~a a ~o:, • j ~ SYit` { . , ; . < ~ ~ a, 12. REFER TO EROSION CONTROL DETAIL SHEET FOR SEEDING
A , 404.3 : \ ' \ ; i. , : ••`\~,+^0K,1;+~ ?at .a,?~+ : ~ 1 ~ b is}: / , t . c.°a: a. `~qt a , yr,,., ,.v e • , " : / z:. i „ e~y a ` Cyi; ~ A... ' S°C a.: .aC'C<y "Rji. o• ~.~y!1.?"\e;>,. a.: a. ~ ~ SCHEDULE AND SEEDBED PREPARATION AND SOIL AMENDMENTS.
X lul`IMPE ` , --~'.'3 ~ ~ ).:a a{,. t ,i:. .o,: a<.••^ ~ .o1:t. y, t;~a a ~'tiq. a..: . y, a t ~ ~ 13. STREETS IN ADJACENT TO THE PROJECT WILL BE KEPT CLEAN AT J
: { SI' FYI t. 8 3B, . • ai"` y a , ; aa\ : b , / ..ova. . ~ e\ ai+v. ~t ; .,j, , i ~ d,... t a~\.. c` a .:a.a ~Ci:ve;i~ r : : , , , uavN ;..p• •,>,xda "a }~;t a' .:vi'\t•`\ C Ol:. / ' } a ~ ~ ~ ALL TIMES OR A WASH STATION WILL BE REQUIRED. ~
CAL ~ , «r, :yt:~,, a.,q , y ctc:• ~ •asy'~'• .a, \ ~ ~ \ \t . At) . t ' :,t x~ ' \wv\\\~... {t d b. `0\a \,y. ;i~ o \C':`yy,; Zti? ~•vJ:.. `/^b; , t,: i~ / ~ w
-0^, ~ L ~ vfp\.\, {;r. a,>..,b .s :a ;by. tt. ,~,',:@b..~ :,a:.•a\t•?o::• : \ 0. .t ~y a. .a.." \t • P h~ , i' f ...I ~ . ~ / Ot'. . a.a::o 'i:''. .e ,ta ::><::::y.. ~ ~a1 ,:.~a ..ayi tt: ~ / ~ ~~L 14. RISER STRUCTURE AND BARREL FOR SEDIMENT BASIN/A SILT ~ Q ~
~ . . ~ ...o, o\\ ~{!'0v,• a\t: o)n.`?,,, a v' vt tt.;~yN . , \ ' . o:' tR;. oS: p uy: ~t;:•i ,.j~~ y.}vn b,:.: y ~ / \ ::a~Y::,. .`rc :ut `x 3.:::a\ Qy`:: a•\.. :yott.'.\?'tt:0a , , ~ ~ ? any`. )tw.\: v: - ~ A • a;, a`..5. \fy `@'. : .:J)t•`$'y: B^9a. / x''"6'6 a~ t ~ BASIN MUST BE ONSITE PRIOR TO ISSUANCE OF GRADING PERMIT. z ~ , '
a` y , , , :'y: 1 y.C \l b...')y.0, ~'t , \ tv^~.,:,'0+" voC : y -0 \ .t7 ~ ..E ~ ..y: a.\ at.. yrt.°t ~.q: o. y~a V'. y,. ~ ~ , , 0.,... o3 'CC hl ~ a,.. a)t. t .a .I A a...~ ,.?'•)rwo~ ~ o~`~ f ~ 1 ~ 15. SELECTIVE CLEARING ONLY FOR PROPOSED BUFFER FENCE. W ~ -I ~
~ , ~ 1 4 . , .t\:: ~«•.3t;:u:::?~y : a.. a' 9<:'a:\ )<~'s`t:`" P~ ' .1~``... t, \ y v , ti. ~ : ,y\ r , - ' ~ ~ { .qy, . bt . \ ~ , o,:, .o.,. 4:F, ^Q.: t : J Y aa~` / ' ~ ' --'may 'RI~EI~S~. CONTRACTOR SHALL WEAVE FENCE TO AVOID ANY EXISTING TREE O
~ \ 3 oC : ba .y ~~i .::tie / , i... n\ ..,.n. .J r: P as d,.. 1. \ ~ :....a, a t.. t,., :o•` as ) ~y.~: v}y R,... a;; .;p . r / \ \ ~1:. v:r. ,...,.a ..,.y. .v. '`~m.1': v'~C:•'? a? a, N. n. .:va..,:: a :y9 vi ''i\ :CCCyi~v :~'b': .d .e~~'~ ~ ~~g• >y ET .,::GREATER THAN 10 DBH. W / e ~w~$ ~ ! ~ ~ Z .
\ A \ o,.\.: t'. j: C y: Yi~ ~,:.a .a: t.\,,\. , v:. e::y{v;a. \a'-. , t: .`C+. vr, ~ i to. :ry. i`~ r b' At ,a N\, a\ . ~ B:y i?kt~ ;,w t:. .R•,\:. ii. a-.t r v . ~ . • , > . 3 . a..: t : Via'.>. , a . \ a ~ br +ab.o 'TAI ~Q~ ~p6R~ 16. SEE FENCE DETAIL SHEET C90~ CONTRACTOR TO FINISH BOTH ~ Q Q a~~~ v J
,t a: v: ,t. '.'s. .ta~~`. ,t ~;:w`y. y,t. ,0\~, `•iN, l':o~.. ,\.:`a{.rot~ .att•~ s ~""^,m,w.«"` ~ e ty .o.,....y 0yb: . . , . ; . . : .v x\ , a.v a'; ~o , 1..:. SIDES. O
bo, : .0.,. , 0 v 1 n .ik.. :i.'~: 'C¢:.~',': 0:• At b:,.;at, \t,. t~.t,;
; 7N . tt' t N \..ya. ky at. t ~ •>;...;y\~,,, .,v~;; y:\4' tt.v . \ t a ;v ~ ~~u,a ~ ~ fP y; >C ' y' te.. t 'b.: G~, { o ~ \ \C\ , t J ~ ' i ' ~ NITROGEN BUY DOWN NOTES U = Lu
\ r, / _ i 1 ~ 463rb . , a `QS aC" ~ ~ i'.. ' y y t `0 a iy { Yti t ~l If 4 2 0 :?C t. ;i r ...w / Y 's „ :.a:. ;t
i. a;,-',+ / '.I O:j'(F:. ~ v:: i•.;to :R, bvS<~.. A~•>~• di tt - t, ,a ? ~s~~ ~ ~~///~~,j'~ ~ 1. BUYDOWN OF NITROGEN WITH THIS PROJECT FOR ~ ~ I~' / / / ~ O - ~ ~f~< ~ / ~ THE MULTI-FAMILY. PARCEL ONLY. ~ ~
. / ,nt. `0 ? Two, v~': a., @;t'„ E a. J B ~ I l t; yt'.~• ;a>; ~ R AREA O GR EN ~'ra 1'`
~ , t' ) ,at , A ® CB to .P UrnN ~ ~ a \ C, puui' / I:~ ~jc,: t: ;t'$a t,:a ,'~)34B:' IP ~ P E: Iu y / ~ ~ .~>~o~~ %'~~t,~ r~~ 2. FUTURE COMMERCIAL PARCEL BUY DOWN z ~
O , , : , , : \ ? ,y:, , ,,s, ? ~ , ' CB ~ 1 ` ~ ; % ~ ~ H ~ r INCLUDED WITH THIS PROJECT. ~ ~ O Q
`f .x,18 x q f.,. , ~ ~ ~ ~ ~ 3. COMMERCIAL PARCEL POND 8 SIZED FORA U
~ -E t t a a t t a' BN Z t'v - ` • , ' . L ..6:1. I l.. :.1...l I I hl. L. I; ~ L I l; ~ bw ~/p~M~ I ~ ~ / PORTION OF THE MULTI-FAMILY PARCEL AND THE ~ I~
r ~ I .,I~rwl. 1. . ? ~ % u~ ~ : ~ / ~ / ~ i ~ > ; > FUTURE COMMERCIAL PARCEL. THE POND WAS SIZED rn Q z
~~o~ ~ / ~ I / ~ Jo, : ' / BASED ON AN IMPERVIOUS SURFACE AREA OF 67,518 U o' ' ` ~ I > ` I ( ~ I ~ l ,;l I I ~ s ~ - SF OR 50~ IMPERVIOUS WITHIN THE COMMERCIAL >
\ i ? \ • LEVEL ~ 13' O ' ° ~ d0~. \ w\H\\v %\\\u ~ WJ....:.'......' .,.n+ ~ ~ ~ ~ / i J i i . ~ a'S~~'~ ~ ~ ~ 1': ~ ~ PARCEL. O is J ~ ~ ~ ~
O 4\ ~t ~ B 47 ° \\vh\\\\ Nu\\' ~ i \ 430,6 ii,,:, y 1 ' \\\\\a\\\\\~\u \\uma\uo\\)u\\\\)\\\mu\\- \\ve\\\\\n\\\\\ma~u. ~ ~ 1~
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.r` z ~ J ~ C N TR N T ; ; ~ ~ ~ ~ - - --fir-- - - C R. OT .
- -
4i jtit1: i'.~~..-,._~.. rk =~~'J~=' y. r,n'.;,y.~ ~~••A~~ } . . vv. . : ....r:.. ,.,.,.:.arr. .,'J.~~. , .',4 .1 : v Ct -
_ b.,... _ :....~t:ai ~a~y.;. H:{ - - _ , , ~ , _ , _ ~ ,c.:....,,.,~... A~'~FIQW~1.: .t. . _ ~ .:-tee..... tee.:.. . Ate. : ......-n _.r i ~ ~ .......T Project No. 07031 0 "'"--455-' ..W... - --ti,,.,.......~,.~ ..,.T~_,-;-, ,s~o
_ ~1ta~`L. m-A~ ` ~ DISCHARGE LOCATION 'B' SWALE WHICH RUNS d~t'=
= RUNOFF WILL FLOW FROM , CONTRAC~~R TO CONSTRUCT RETAINING ~ ~ g o~.=
THE SITE TO THE r € ; PARALLEL TO THE RAILROAD. ~ ~ THE POINT AT WHICH THE v;.., WALL AFTER SITE HAS BEEN STABILIZED J ~ ~ ~ ~£aE AND STORM DRAINAGE SYSTEM IS ~ ~ N"~
' ~ INTERMITTE,NT,,STREAM AND . .,....INCREASE IN...FLaWS "LS. LE'S~S '4?<a THE 24" CULVERT CROSSING .,.,..COMPLETE ~ " . Q U anD cnp of ` °
>r THAN 10% FOR THE 10 YEAR a o OF W. CHATHAM AND ONTO STORM IS AT THE END OF oZOO3 `=a ~d°.xMM~ ;~zo
A SWALE ALONG W. n LL W W~ H o v
CHATHAM THE 30 DIP CULVERT. au~i~a~~~ W a°`;
' CONSTRUCTION SE UENCE EROSION CONTROL LEGEND
Q CONSTRUCTION SEQUENCE °~EV
WET POND CONSTRUCTION NOTES TEMPORARY AND PERMANENT EROSION CONTROL MEASURES SHALL BE PROVIDED FOR ALL LAND DISTURBING WORK IN 1. INSTALL TREE PROTECTION AS SHOWN. PEAK PEAK FLOW -NORTH -SF & TP-- -SILT & TREE PROTECTION FENCE ® -SEDIMENT BASIN E~
1. PROPOSED WET DETENTION POND SHALL BE USED AS SEDIMENT BASIN DURING ACCORDANCE WITH AN EROSION CONTROL PLAN APPROVED BY Z. CONDUCT PRE-CONSTRUCTION CONFERENCE IF REQUIRED BY TOWN OF CARY. ~ FOOT SEPARATION, SILT ~ ~w=~~ FENCE ADJACENT TO DISTURBED <:<: A~~cG
CONSTRUCTION. EXCAVATE THE PONDS TO FINAL BOTTOM ELEVATION WITHOUT FOREBAY THE TOWN. A GRADING PERMIT SHALL BE OBTAINED FROM THE 3r INSTALL SILT FENCE AS SHOWN FOR PHASE 1 (RISER, OUTFACE, AND STORM DRAINAGE PIPE PRE-DE PRE-DEVELOPMENT 10-YR PEAK = 18.94 CFS AREA AND TREE PROTEC110N o~' ~ _ Bo
BERM. TOWN PRIOR TO BEGINNING SITE WORK. TEMPORARY MEASURES SHALL BE ONSITE PRIOR TO CONSTRUCTING SEDIMENT BASINS). POST-D FENCE ADJACENT TO IP , -INLET PROTECTION ~ ~ =°Eo POST-DEVELOPMENT 10-YR PEAK = 34.86 CFS _ aE UNDISTURBED AREA) °mq
SHALL BE INSTALLED AND INSPECTED BY THE TOWN PRIOR TO 4r INSTALL ALL EROSION CONTROL MEASURES AS SHOWN AND DESCRIBED BELOW. 2. LOCATE STOCKPILES UPSLOPE FROM EROSION CONTROL MEASURES AS SHOWN ON THIS ANY LAND DISTURBING ACTIVITY. ALL PERMANENT EROSION 5A. EXCAVATE PARTIAL SEDIMENT BASIN A & B AS NECESSARY TO INSTALL RISER. ~<<;<> SF -SILT FENCE `s" pW-G
PLAN. ALL SOIL STOCK PILES SHALL HAVE APPR ( ) OPRIATE EROSION CONTROL PER THE CONTROL MEASURES SHALL BE INCORPORATED INTO THE WORK 5Br PLACE EXCAVATION IN STOCKPILE OR DAM AS SOIL TYPE DICTATES. PEAK I PEAK FLOW -SOUTH `:i;;~.i.,;~.;i<;`p<;; oN
LATEST VERSION ON THE NORTH CAROLINA EROSION AND SEDIMENT CONTROL PLANNING AT THE EARLIEST PRACTICAL TIME. ALL TEMPORARY MEASURES 5Cr INSTALL RISER STRUCTURE, OUTFACE PIPE AND LEVEL SPREADERS. AND DESIGN MANUAL INCLUDING SEEDING AND SILT FENCE AROUND THE BASE OF THE SHALL BE MAINTAINED UNTIL PERMANENT MEASURES HAVE PRE-DE -DD-- -DIVERSION DITCH CE ENTRANCE
STOCK PILE. 5D. INSTALL PHASE I STORM PIPE AND STRUCTURES (AT SEDIMENT BASIN A DAM) TO REMAIN TAKEN EFFECT OR APPROVED BY THE EROSION CONTROL SEALED UNTIL CONSTRUCTION OF DRIVE. POST-D PRE-DEVELOPMENT 10-YR PEAK = 15.56 CFS -TEMP CONSTRUCTION POST-DEVELOPMENT 10-YR PEAK = 2.97 CFS
OFFICER. TEMPORARY AND PERMANENT MEASURES SHALL BE 5E. EXCAVATE REST OF SEDIMENT BASIN TO FINISHED GRADES; INSTALL SKIMMER AND -SILT TRAP
3. DIVERSION DITCHES SHALL BE INSTALLED TO ENSURE THAT CONSTRUCTION RUNOFF IS COORDINATED TO PROVIDE EFFECTIVE AND CONTINUOUS EROSION SEDIMENT STICK.
DIRECTED TO THE SEDIMENT BASIN. DIVERSION DITCHES SHALL REMAIN IN PLACE UNTIL CONTROL THROUGHOUT THE CONSTRUCTION AND 6. PLACE SOIL STOCKPILE NOT USED FOR DAM IN DESIGNATED STOCK PILE AREA. PARC WHICH TIME THE PROPOSED STORM DRAINAGE NETWORK HAS BEEN INSTALLED AND WILL POST-CONSTRUCTION PERIOD TO MINIMIZE SILTATION OF 7. OBTAIN CERTIFlCATE OF COMPLIANCE THROUGH ON-SITE INSPECTION BY EROSION CONTR PARCEL IDNUMBER - 0753767512 TOTAL DISTURBED AREA -STORM EASEMENT ````,`11~~C~~~I~//,'//
CARRY RUNOFF TO THE BASIN. STREAMS LAKES RESERVOIRS AN TH R IMPOUNDMEN OE D 0 E TS, OFFICER. 11.88 AC , ~N ARO~
GROUND SURFACES, AND OTHER PROPERTY. THESE MEASURES g, REFER TO GENERAL GRADING NOTES THROUGH 14 ON THIS SHEET REGARDING METHOD OF WATERSHED '~~.~°~S~Oti"'~ti9'
4. UPON STABILIZATION OF ENURE SITE REMOVE SEDIMENT REGRADE ADD FOREBAY BERM ~ # METE SHALL REMAIN IN EFFECT UNTIL FINAL APPROVAL IS GIVEN BY PREREQUISITES FOR GRADING PERMIT. OBTAIN GRADING PERMIT. AND CONVERT RISER PIPE. THE TOWN. 9. PROCEED WITH INSTALLING REMAINING DIVERSION DITCHES AND CLEARING AND GRADING. PROI
PROTECTION -WET POND ' Q sEAL ~ :70 ; 033317 : 2
10. CLEAN SEDIMENT BASINS WHEN ONE-HALF FULL. 11. MAINTAIN SILT FENCE AND OUTLETS AS REQUIRED. :•cs F ~ ~
12. SEED AND MULCH DENUDED AREA WITHIN 15 DAYS AFTER FINISHED GRADES ARE THIS THIS SITE IS NOT WITH ANY MAPPED -9 HcINE~
ESTABLISHED.
13. MAINTAIN TEMPORARY SOIL EROSION CONTROL MEASURES UNTIL STORM SYSTEM IS IN FEMp PLACE AND GROUND COVER IS ESTABLISHED. FEMA 100-YR FLOODPLAIN ,,,o~'` GRAPHIC SCALE ~~'~-~q;~~~~HA~~,~~`'~
14. REQUEST FINAL APPROVAL BY EROSION CONTROL OFFICER. 00 o ao bo ~~o zoo PRELIMINARY - DO NOT USE
FOR CONSTRUCTION •IA 1•/I-TI l~l!\A 11~• •r l4n~~. Iw.~~.~1 ~I~A
17. KtMUVt JUIL tKUJIUN LUNIKUL MtAZUKtJ, ANU WAVILILL AKtAJ U=U rUK rmAat L NV VV NV VVt I LANUS 11AVt IittN IUtN I II-ItU
16A. PHASE II EROSION CONTROL MEASURES SHALL REMAIN IN PLACE UNTIL FINAL COMPLETION OF PROJECT AND APPROVAL BY EROSION CONTROL OFFICER. ON TI Project No. C7031 ON THIS SITE ( IN FEET) Drawn By IAM
168. INSTALL RETAINING WALL AT SEDIMENT BASIN "A" AFTER ENTIRE STORM, UTILITIES, AND
ROAD SYSTEM IS COMPLETE. CONSTRUCT ROAD AT NORTH OF POND FOLLOWING 07-SP-112 1 inch = 60 fL Checked By RAH
CONSTRUCTION OF RETAINING WALL. APPROVED Issue Date: 10.11.07
17. CLEAN OUT AND EXCAVATE TO FINAL GRADES BOTH WET POND "A" & "B". TOWN OF CARY
Approved by Date
Planning Date EROSION CONTROL PLAN PHASE II 0401
Engineering Date SHEET 10 OF 81

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LEGEND
```~~ti~~CARo~!!~~ . - 100 YR FLOOD ELEV ,•`0~ L
~ 1•.•~FtiSSlp"N•..••~y9
-STORM EASEMENT ~ a~ 9~'s _ SEAL _
~ : 033317
- RIPRAP DISSIPATER = ~ ~ ~ 2;
:9y~~N~~NE~.•~~~° -RETAINING WALL '~'~,,~.~uA?110\:~`~``
6. AS DESIGNED, THIS PROJECT WILL MEET ALL THE REQUIREMENTS RELATIVE TO BEST Mp . p, RETAINING WALL ,'lllllll 111111111`
MANAGEMENT PRACTICES AND ENGINEERING STORMWATER CONTROL STRUCTURE FX OR GRAPHIC SCALE PRELIMINARY - DO NOT USE
OUTLINED IN THE TOWN OF SAS POND SEDIMENT BAST ~Sn ARY CARP LAND DEVELOPMENT ORDINANCE. "NG GR 50 0 25 50 100 FOR CONSTRUCTION
GRo AO~N "uNO G 250
Project No. C7031
0 30n PIPE "I'll 11111-1 LEVEL SF 07-SP-112 Drawn By IAM
PIPE L LEVEL SPREDER APPROVED I IN FEET) Checked By RAH 1 inch = 50 ft TOWN OF CARY Issue Date, 10.11.07
RISER
- Approved by Date GRADING & STORM DRAINAGE
Planning Date n n
Enaineerina nn1o n I A A I A i n n-rl 1

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00 ~
N ~
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N 00
GRADING NOTES
1. TO MINIMIZE DAMAGE TO EXISTING TREES NEAR THE INTERIOR EDGE. OF BUFFERS AND STREETSCAPES, THE CONTRACTOR SHALL CUT MINIMUM 2' TRENCHES ALONG THE LIMITS SITE TRIANGLE 15' X 360' AS PER ~ o
OF DISTURBANCE, SO AS TO CUT RATHER THAN TEAR, ROOTS. FILL WITHIN STREETSCAPE BUFFER AASHTO SPECS FOR ~ ~ o ~
NECESSARY FOR THE REQUIRED STREETS W/ 45 MPH ~ ~ ~ ~ ~
2. THE TREE PROTEC110N FENCE SHALL BE MAINTAINED ON THE SITE UNlll ALL SITE WIDENING OF OLD APEX ROAD N '
WORK IS COMPLETED AND THE FNAL SITE INSPECTION PRIOR TO THE CERTIFICATE OF OCCUPANCY (CO) IS SCHEDULED THE FENCING SHALL BE REMOVED PRIOR TO FINAL SITE ~ ~ ~ ~ r ~ N N ,
INSPECTION FOR THE CO. Y.~, v. ~ ~ Z ..v.:.. , ,
3. RISER STRUCTURES AND BARRELS MUST 8E ONSITE PRIOR TO ISSUANCE OF GRADING PERMIT. v::... ~ G' ~Y /1 /1 • '
'i y' 1 ~A 1 ~ ~ \l \ ~ f
' ~ \'t~ 4. ALL STORM DRAIN FRAME GRATES AND HOODS SHALL BE STAMPED WITH DRAINS TO ~ • - , .,~=R" " ~ , - _ T ,
RIVER' IN ACCORDANCE WITH TOWN OF CARY STANDARDS. ~ ~ ~ , , . . l'
; :
5. SITE DRAINS TO THE SWIFT CREEK WATERSHED. , ~ ~ ~ ,~./i O O D! w ,.v. ; l
, ~ , ' t 3 a ~ ,a 6. AS DESIGNED, THIS PROJECT WILL MEET ALL THE REQUIREMENTS RELATIVE TO BEST < L,, .r• v, "462
. , t MANAGEMENT PRACTICES AND ENGINEERING STORMWATER CONTROL STRUCTURES AS Nr' ~ ~ ~ , ,n
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- - - - - - - - STORM EASEMENT SEMENT APPROVED Issue Date; 10.11.07
TOWN OF CARY
- RIPRAP DISSIPATER SSIPATER Approved by Date GRADING & STORM DRAINAGE
Planning Date 0501
Engineering Date PLAN " SOUTH SHEET 12 OF 81

PROPOSED UTILITY SEPARATION
SEPARAl10N OF SE R. (S~!TARY AND STORMl AND WATER MAINS
1. WATER MAINS SHALL BE LAID AT LEAST 10 FEET HORIZONTALY FROM EXISTING OR PROPOSED SEWERS, UNLESS LOCAL CONDITIONS OR BARRIERS PREVENT A SHEET NOTES ~ 00 00
10-FOOT HORIZONTAL SEPARAl10N IN WHICH CASE; 1. ALL WATER AND SEWER CONSTRUCTION o
A. THE WATER MAIN IS LAID IN A SEPARATE TRENCH, WITH THE ELEVATION I I METHODS AND MATERIALS SHALL BE IN N ~ o
OF THE BOTTOM OF THE WATER MAIN AT LEAST 18 INCHES ABOVE THE TOP OF ACCORDANCE WITH THE STANDARDS AND N REQUIREMENTS OF THE LOCAL JURISDICTION.
THE SEWER; OR B. THE WATER MAIN IS LAID IN THE SAME TRENCH AS THE SEWER WITH THE ~O 2~
WATER MAIN LOCATED AT ONE SIDE OF A BENCH OF UNDISTURBED EARTH 2. THE CONTRACTOR IS RESPONSIBLE FOR N
AND WITH THE ELEVAl10N OF THE BOTTOM OF THE WATER MAIN AT LEAST eiNEO OBTAINING ALL REQUIRED PERMITS. O O c x?~:OPDSED COM
18 INCHES ABOVE THE TOP TO THE SEWER. L ~T;,HANDD NRN Wp E • ~ - HAN 3. EXISTING UTILITIES AND STRUCTURES
2. CROSSING A WATER MAIN OVER A SEWER. WHENEVER IT I 3 r ~ . ~.;N~ ~s~Y ~"R's"A" ; SHOWN, BOTH UNDERGROUND AND ABOVE, ARE
WATER MA S NECESSARY FOR A IN TO CROSS OVER A SEWER, THE WATER MAIN SHALL BE LAID AT ~ z 3 ? r ~R~c~ DRivE a ` BEST - - • BASED ON A FIELD SURVEY AND THE ~ ~ i ~ ~ p
SUCH AN ELEVAl10N THAT THE BOTTOM OF THE WATER MAIN IS AT LEAST 18 INCHES ABOVE THE TOP OF THE SEWER, UNLESS LOCAL CONDI110NS OR v. ~ ~ ~ AVAILABLE RECORD DRAWINGS. THE ~ ~ W jc ~ O O ` - - ~ ~ ~ • CONTRACTOR SHALL LOCATE ALL EXISTING ~ ~ ~
BARRIERS PREVENT AN 18 INCH VERTICAL SEPARATION, IN WHICH CASE BOTH ~ _ ' ' UTILITIES, UNDERGROUND LINES, AND ~ ~
THE WATER MAIN AND SEWER SHALL BE CONSTRUCTED OF FERROUS MATERIALS STRUCTURES AS NECESSARY TO AVOID ~ ~ ~
AND WITH JOINTS THAT ARE EQUIVALENT TO WATER MAIN STANDARDS FORA N a ~ ~ ' , DAMAGING OR DESTROYING EXISTING SERVICES. - D! ~
DISTANCE OF 10 FEET ON EACH SIDE OF THE POINT OF CROSSING. o r z : r ~ , INATE 4 U1LITY CONTRACTOR SHALL COORD
"3... 3. CROSSING A WATER MAIN UNDER A SEWER. WHENEVER IT IS NECESSARY FOR „ . J w ~ ~ U1LITY SERVICES WI1H THE BUILDING ~ ~
r N O R MAIN TO CROSS UNDER A SEWER, BOTH THE WATER MAIN AND THE > ~ , w.. MECHANICAL PLANS. U1LITY CONTRACTOR ~ ~ .,w_,. ~ ~ ~ paw: ~ ~ SHALL BE RESPONSIBLE FOR INSTALLA110N OF
SHALL BE CONSTRUCTED OF FERROUS MATERIALS AND WITH JOINTS ? 3 ~ o ~ . QUIVALENT TO WATER MAIN STANDARDS FOR A DISTANCE OF 10 FEET ON EACH ~ ALL U1LITY SERVICES TO WITHIN 5 FEET OF ~ .:ti: „
N v. m a , XO to THE POINT OF CROSSING. A SECTION OF WATER MAIN PIPE SHALL BE w .n , ` ~ THE BUILDING CONNEC110N POINT. ~ : t~ (I i
z . ENTERED AT THE POINT OF CROSSING. ~ ~ ~ ,
r ~ s > ~ ?l sr, ~h , i_ 4 ° " " 5. CONTRACTOR SHALL CALL NORTH ~ N ~ ~ 30 CAROLINA ONE CALL AT 1-800-632-4949 AT O O ~
, , ~~y-~'',. . SEPARATION OF SANITARY SEWERS AN STORM SEWERS = x(~ STREETSCAPE LEAST 48 HOURS PRIOR TO BEGINNING
p I ~ ~ . 1. A 24 VERTICAL SEPARATION SHALL BE PROVIDED BETWEEN STORM SEWER _ BUFFER CONSTRUCTION OR EXCAVAl10N ON SITE TO
. AND SANITARY SEWER LINES OR BOTH THE SANITARY AND THE STORM LINES ~ ~ ~ y~ o ' HAVE EXISTING UTILITIES LOCATED. CONTRACTOR TO CONTACT ANY LOCAL
u SHALL BE CONSTRUCTED OF FERROUS MATERIALS. RINKLER RISER ROOM t RISER ROOM m~+ U11LIlIES THAT PROVIDE THEIR OWN
. ,..w~ _ TAIL 06000.17 C9 AND . FOR DETAILS (TYP. 1000.17 AND C901 1 INDEPENDENT LOCATOR SERVICE. CONTRACTOR
_..y ~ - ~''i- 30~ TYPE A SHALL IMMEDIATELY REPORT ANY
~ RANT , 1 DISCREPANCIES TO THE ENGINEER. ~ ' 1 BUFFER
_ ~ 1 7. TRAFFIC CONTROLS FOR ANY UTILITY WORK
TED ,U WITHIN THE PUBLIC RIGHT OF WAY SHALL BE ,
e . jai L}., o F.... , t ..:...,..M..:... . < S . PERFORMED IN COMPLIANCE WITH STANDARDS ~j~,[)~ , • i OF THE NORTH CAROLINA MANUAL ON
3 ~~A k . ~'V. . } . , ; , - ALL ( } RETAINING W TYP. i ....r. ~ ::d t ~ ! UNIFORM TRAFFIC CONTROL DEVICES (MUTCD).
F " SEE DETAIL SHEET C906 s
; . c,~W 1 ~ Q~ ` ~ ' ~ B. CONTRACTOR SHALL MAINTAIN AN "AS
. < . _ . . b to ` BUILT" SET OF DRAWINGS TO RECORD THE ! ACTUAL LOCAl10N OF ALL PIPING PRIOR TO
m -I ,a
~ , , m ~ ~ Q~ 50 ALLON 0~/ CONCEALMENT. DRAWINGS SHALL BE GIVEN TO ~ THE ENGINEER AT REGULAR INTERVALS m LJ ~ / m GRE INTERCEPTOR ,THROUGHOUT THE PROJECT FOR RECORD ~ ~ ~ °o °
J I ~ ~ (SEE HEET C9Q1) !KEEPING.
4' ~ O~ ' 30• ~ ~L ~ .GATE o~ ~ _ '~t W G ~wN~~
t E BUFFER ~ ~ ~ ,3~ ~ ~ ~ ~ s• aP wA 551MH- 1 9. THE CONTRACTOR, AT ALL TIMES, KEEP THE L O Q z rn rn
~1,\~ ~ PREMISES FREE FROM ACCUMULATIONS OF v ~ ~ rn rn
`'to m ~ WMERLINE'N1 ~ SS~~ Q~ VA Plv LVE ~ ~ yl ~ ~ t~ ~ WASTE MATERIALS OR RUBBISH CAUSED BY ~ W d ~ ~r~" 3 ~ a HIM HIS EMPLO a YEES R H
~ ~ - -fit 0 IS WORK. AL L ' N r" ~ ~ + m DEBRIS SHALL BE REMOVED FROM THE 0 Q ~ v
3 ~ 1 ~4 ~ PROJECT SITE ON A DAILY BASIS.
" ~ ~ o ~ ~ W E S ~n~ ~ He ~ ~ ,
~ PI ~ , a3 m ~ r 1 10. THE CONTRACTOR IS RESPONSIBLE FOR m I' FIELD VERIFI1NG THE ACTUAL AND EXACT
~ ~ ~t~A~, ~ a ~ vn ~ ~ ~ ~ ' ~ J9 ~ 8' P A ~ 8.~p WKIER?JNE ~ xc vµ ~ I~.', `•..~I` ~ LOCAl10N, SIZE AND MATERIAL COMPOSI110N
? # ~ ~ . A. Sap IF PVC ~ .r;! ~ µ ~ PIV " OF ANY EXISTING WATER OR SEWER SERVICE
~ m I aiv ~L~~ ~dg 1) PROPOSED FOR CONNECTION OR USE ON THIS _ PROJECT. THE RELOCAl10N OF ANY U1LITY Q
~!~-t ~ D ~ ~ ~ I SERVICES REQUIRED TO COMPLETE ANY ~
saP wn~ >y. POR110N OF THESE CONSTRUCTION PLANS ~ Q
ice' OV 8" PVC r~ : SHALL BE THE RESPONSIBILITY OF THE z ~
' ~ ~ e'I~ CONTRACTOR. rn J m
Lu f.i I ~ V, ARD \~Fp~'' \ ~ 11. ALL SANITARY MANHOLES 4~ DIAMETER Q ~ ~
/ ~ " ~ \ v ` / ~ 1 PI " ~ ~ m , AT G ~ UNLESS NOTED OTHERWISE. ~ ~ z
~ ~ \ 12. NO GEOGRID OR RETAINING WALL WILL BE Q Q li I / ~ PLACED CONSTRUCTED WITHIN TOWN OF ARY ~
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! ~ ONE / ~ 5 ~ T
` ~ 20 Z FE ~ D1 COURT m . N g L~ RIPARIA ~ \ ;t°~ A CCE BA / V)
50 EU SE I ~ UU ARE SO EN m GRI NG GRE ; 1/ / ~ \
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~ 20 ZON ER 2" SDR 18" PVC / BUFF ~ RIPARI ' WATER SERVICE METER & \ / I W
~ REDUCE PRESSURE BACKFLOW /
" / ASSEMBLY FOR CAR ~ ~ wnsH LIMITS OF DISTRUBANCE / i I W O C ~ e G
r r . . ..I / I J NNN,~ E i a°P° I M , _
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s~ a" \ gin. LIMITS OF WORK _,;;?fig, o3~~. Y'.4 . . y \p .,a.g. ,,mac... r++ "vEm
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WATER NOTE S
SEWER NOTES AS INDICATED, WATERLINES 12" AND SMALLER H 0TH ER TI
S ALL BE DUCTILE IRON PIPE MEETING THE U LITY NOTES REQUIREMENTS OF ANSI-AWWA C151 PRESSURE CLASS 350 OR PVC PIPE MEETING THE SANITARY SEWER CLEANOUTS LOCATED IN PAVEMENT AREAS SHALL BE HEAVY DUTY 1RAFFIC
BEARING CASTINGS. ELECTRICAL, TELEPHONE, GAS AND/ OR OTHER SUB-SURFACE U11L1111 REQUIREMENTS OF AWWA C-900; CLASS 150. PLAN ARE SHOWN IN 1}IEIR APPROXIMATE LOCAl10N FROM SURVEY IN 1RFACE UI1LI11ES IDENTIFIED IN THIS ~~t~0~~~~'//
ALL WATERLINES SHALL HAVE A MINIMUM OF 4 FEET OF COVER. MANHOLES LOCATED IN PAVEMENT CONCRETE FROM A FIELD INSPECTION AND ANY APPLICABLE R OR OTHER TRAFFlCKED AREAS SHALL BE SET AT ECORD DRAWINGS OM SURVEY INFORMAl10N GATHERED ~ ~D DRAWINGS WHICH MAY BE ~
AVAILABLE. CONTRACTOR SHALL FIELD VERIFY THE EXACT LOCATION GRADE. MANHOLES LOCATED IN OTHER AREAS (I.E. GRASS OR WOODED AREAS) SHALL HAVE BACKFLOW PREVENTION FOR 11~E MAIN BUILDING TO BE PROVIDED IN THE FORM OF A RPDA MATERIAL OF ANY AND ALL SUB-S R ~4~~oFFSslON`••y9 4CT LOCATION, DEPTH, SIZE OR
THEIR RIMS RAISED 12 ABOVE THE SURROUNDING GRADE. MANHOLES SUBJECT TO POSSIBLE U FACE CONDITIONS REPRESENTED LOCATED WITHIN THE SPRINKLER RISER ROOM (FIRE PROlEC110N) AND A RPZ LOCATED IN A WATER INFI TR PRIOR TO ANY EXCAVAl10N OR CONSTRUC110N. CONTRACTOR REPRESENTED IN THESE PLANS - SEAL
L A110N SHALL HAVE WAlER11GHT, BOLTED LIDS. SHALL ABOVE-GRADE HEATED ENCLOSURE (DOMESITC). DISCREPANCIES BETWEEN THESE PLANS AND ACTUAL FIELD LOCATED !ACTOR SHALL REPORT ANY : ~ : 033317 ~ = ELD LOCATED U1LITY DATA TO 1HE . ~ ; . 2;
1ES11NG NOTES: MINIMUM REQUIRED SLOPES FOR SEWER SERVICES: ENGINEER OF RECORD. ~F ~.~0:
PRESSURE: 4" SEWER SERVICE - 2.00 SLOPE ~ ~H"N••• \
LEAKAGE SHALL NOT EXCEED THE MAXIMUM ALLOWABLE LEAKAG P 6" SEWER SERVICE - 1.00 SLOPE E S ECIFIED IN AWWA 8" S _ TOWN OF GARY UTILITY NOTE GRAPHIC SCALE /~~''~~~,,,,HA~'e~'~~`\
C 600. MINIMUM TEST PRESSURE SHALL BE PER TOWN OF CARY REQUIREMENTS. EWER SERVICE 0.62 SLOPE
SEE DETAIL SHEET FOR TEST pRFCCIIR~ QGniuon~r~iTC 8" SEWER SERVICE - 0.46 SLOPE U1ILITY PLANS ARE REQUIRED TO MEET ALL REQUIREMENTS nF 7HF s NTS ~F THE STeNneQn so o as ss „,n PRELIMINARY. M1 AI(1T I IcG
SPECIFICATIONS AND DETAILS. BY SUBMITTING A UTILITY PLAN FOR F Y PLAN FOR REVIEW, THE ENGINEER FOR CONSTRUCTION
BACTERIOLOGICAL: CERTIFIES THAT THE PLAN MEETS OR EXCEEDS THE CURRENT TOWN C RRENT TOWN OF CARY STANDARD
TWO SAMPLES FOR BACTERIOLOGICAL SAMPLING SHALL BE COLLECTED AT LEAST 24 SEWER LIN SPECIFICATIONS AND DETAILS. APPROVAL BY ENGINEERING DOES NOT ES UNDER CONSTRUCTION SHALL BE PROTECTED FROM DIRT, DEBRIS OR OTHER FROM AY REQUIREMENTS EXCEPT AS SPECIFICALLY POIN ING DOES NOT EXEMPT THIS PROJECT Project No. C7031
HOURS APART. IF CONTAMINATION IS INDICATED, THEN THE DISINFECTION PROCEDURE AND CONTAMINANTS ENTERING THE NEWS TED OUT AND YSTEM, UNTIL ACCEPTANCE OF NEW CONSTRUCTION HAS ENGINEER AND THE REVIEWER. TESTING SHALL BE REPEATED UNTIL SATISFACTORY RESULTS ARE OBTAINED. BEEN MADE BY THE LOCAL GOVERNING AUTHORITY. A MECHANICAL PLUG SHALL BE UTILIZED ITED OUT AND INITIALED BY THE 1 t inch h FRET) Drawn By IAM
THE CHLORINE IN HEAVILY CHLORINATED WATER FLUSHED FROM MAINS NEEDS TO BE BOTH IMMEDIATELY UPSTREAM OF THE NEW CONSTRUCTION AND AT THE FIRST MANHOLE 07-SP-112 =50 f~
NEUTRALIZED BEFORE DISCHARGE. CONTRACTORS SHALL NEUTRALIZE HEAVILY CHLORINATED DOWNSTREAM IN THE EXISTING SYSTEM. EXISTING STRUCTURES, PIPING AND APPURTENANCES APPROVED Checked By RAH
WATER FLUSHED FROM MAINS PRIOR TO DISCHARGE OR TRANSPORT ALL HEAVILY SHALL BE PROTECTED FROM ANY INFLOW OF WATER, DIRT OR DEBRIS DUE TO NEW TOWN OF CARY Issue Date, 10.11.07
CHLORINATED WATER OFFSITE FOR PROPER DISPOSAL. CONSTRUCTION CONNECTING TO OR IN THE VICINITY OF THE EXISTING SYSTEM. Approved by Date
C600 Planning Date UTILITY PLAN -NORTH
Engineering Date
SHEET 130F 81

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; a ~ . / E THE SEDIMENT THAT IS REMO : ~ ~ i 2. CLEAN PONDS TO DESIGN DIMENSIONS AS DETAILED BELOW AT A M > 1, INIMUM AS NECESSAR THAT IS REMOVED IN A DESIGNATED DISPOSAL AREA. AS NECESSARY.
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o\: ~ t . ~ 7 ~ t a •
I i '+{~lSS1~;4~OR1 ~A~7 ~ POND CROSS SECTIOI \ at S SECTIONS ~ o o
,i ~ 7 11~ 2V': a ,v 41; 1 :L . X / : ~ tl1' LL ~ ~t\ y J N~T.~.
l ,11 ~ v. 2 1 J1 t: \y - o~~~ ~W Nd'~
7 1[: pAl' 1 `!x i , ~ V
2 i ::\w:: n~`0 a\' J L ~QZ~~ X ~~y ~
C X V ~ r
~t 0 Q~Ud~
} I ~ ~ ; ~ ~ ~ r
1\'. i 7 Jul H~
~ 3• : ~i s. ti \
:.w ' ' l!. ~ y; 1
ta,: i 2 b J Q
r, i J~' ; a
i ; v v J:i.y~~ 1;.
1 ~ , \ t z
•
..1 V A:~ ~ ~ : J 11 t - \ ;V v ,.~J` , Rt + V: W ~ J ~
J ss\\ ..r ,
. a,.~., ap t~ ! s PARCEL 1 W ~ Z z
.4.. b\ 1 • ~ ~y~1 a~t : l \ \ 1. 4~:~.p~+':::) ~ i:~ :d: P`: I t:• : ~0~ Q
. ~ 1 ~ \ \
U
' , , \ , `l F- I- G W
; ~ ; ~ ~ ~
- ~ ~ i Existin Sit / ~ e From Nitro en Loadin Calculatit din Calculation Worksheet) z Q
Total Site Area i 13.16 ac L.L 13.16 a c i
P Im ervious Area 0.26ac O 0 26 ac C~
Mana ed..O...e.n..A 9 p rea .......................:.............10.93 a.~. 1093 ac ~ LL 0
Undisturbed Open Area 1,97'ac 1,97 ac Q
LEVEL PR S FADER CALCULATIONS - ~ U z
Total Nitro en Loadin g 9 19 81;Ib/yr 13LF PER 1CFS OF DRAWDOWN (GRASS AREA BUFFER (20~ OF 50' Total Ex Nitro en Ex ort 19.81 1b/yr > O
) 1.51< Ib/ax PER 1CFS OF DRAWDOWN (WOODED AREA BUFFER (30' OF 50' ` 1.5I Ib/ac/ r
APHIC SCALE DRAWDOWN RATE = 0.40 CFS F-
_ . X (13FT) X 0.40CFS + X (65FT) X 0.40CFS = 17.68 LF REQUIRED ~ o to so +o .Pro osed Slte From Nitro en L _
( ) oadln Calcula PROVIDED = 20 LF) Total Site Area 13,15'ac admg Calculation Worksheet) 13,15iac
Im ervious Ar _ ....P ea 6 56!ac 6,56 ac ,
Managed Open Area 3,83ac 3,83ac
( IN FEET) 1 iach = 20 ft. Undisturbed Open Area 2.76iac 2.76iac
Sub Totai.NL tro en Loadin 145.32~Ib g. 9........ ~.yr. 145 32 Ib/yr
Sub Total Nitro en Ex ort 11.05'', Ib/ac 11.05 Ib/ac/ r
Project No. C)031
Removal b BMP Wet Pond A _ ~ tabo
Drainage area to Pond A & B W S ~ .
Effective removal rate 10 390 ~ ~ € ? a
~ U00; q&s~
Z Ern . ,W d ~ ;d
i O v a m b g=z cis
IPRAP DISSIPATER CALCULATIONS ; . SEDIMENT BASIN CALCULATIONS i. i LL ~ O1 N JQI iA$m
_ _ rtwthT t t Pro osed Nitro en Ex o I rea men au~i~l-~~ oGi°~ ~eatment _ W mQG~
_ .outl _ _ _ N p * ;Summary of important elevations oa xo Trey et r e diamete _ i?..~.. r _ Length = # `t; ! ° E xport* Treatment ' TN Export ~ w
rea An Outlet flowmte! _ _ _ . ; Width= uEga~ Amount Reduced ~ m~ _ .
_ Y: _ Outlet velocit Stone diameter - ' , t , s/ r Ibs/ r Ibs/ r ~~=~r e
o e on 3~ e~E n . Mat 11 I-. - ~_t:?+~53nE3111~1~ ~:ax~t~ `~'~:.a e a ,~.,a Thickness - ~ : ~t a, , ~lv.... _ , _ _ Rlser ~r~t t;i~€on 71EI0 het . ~ ~ < 35 917 =~v 107 751 o
' Remainin Site 2.760 1,656 0 E E ~ 0 J}`: p II 4 C ~i E
Ria~rd#a~i~~~r~ ' ~ I1~Ci3t;u Zone Material Diameter Thickness Len th Width - 3 ota Area <; Barred dlatrteter i~ lncf3es ' ,....13.150 656 0,000 1.656 23: bt A\ n. a . e ~»t> a o~>~~ I
ClassA 9 ' 4xD(o) i 3xDo 1 O - * minus calculated "double treated" area from Bio RE Ef13e,f(~i3~y ~ :I~IWi~ Ct•ESt ~I~!4a~lG?Ct i>:. QO fit ; , . 109.407 °Am°v > ~~a~~ ti w~s~n rea from Bio Retention Ponds A & B
C~ Y , 2 Class B 6 22 6 xD(o) 3 xD o) iw;~rg~noy splliuuay I~r~gth ~~reir~ ~0 fast ' _ 3 Classl 13 22 8xD(o) 3xDo
Total Ni trogen Load 109 407Ibs/yr 1411a~ 10 year i~t~EL`a€rA~s ~p111~+ 4~~;5fl Taat 4 Classl 13 22 ~ BxDo ~ 3xD ~ ~ - 109 407 Ibs/yr _ _ ,
O (o) ~µm, Total Site Area - ~ftaarrtt~fgvat~or ~et#led Qfl:~at;.: 13:150!ac 5 Class 23 27 IOxD(o) ; 3xD(o) ~ ~ ~ ~ ~ 13:150'ac
Total Prop Nitrngen ~ / 6 ; _ F!~~ i#~ eat ~it)~tn 'ff ~af~ feet ;Export 8.32'lbs a ~ Class [I 23 # 27 lOxDo 3xDo . ~ ~.m~~ O ~~.~...m..-._.... 8.32']bs/ac/yr
7 S ecial study re aired . _ n u
Notes Calculations based on NY DOT method - Pales 8.06.05 throe h 8.06.06 in NC Frosion Control M< n ' ; u CAR o`'~ ~
_ ' ~OF Ny ,~y
- - Buydown„Payment Calculation i) Anti-Flotation block must be sized outside this worksheet. SEAL
Nitrogen Limit = 3 6 Ibs/ac, 2) Design trash rack, oranti-vortex device /trash rack outside this - . _ . _ ' worksheet.. _ Total Parcel Area = 13:16ac 3 6!Ibs/ac/yr i
Total Nitro en Ex ort 8 32.Ibs/ac, 3) Design veloaty dissipator for barrel for design flow through 13 16: ac ! 033317 .2 I 8 32~Ibs/ac/yr ~'•.F Q~.•'~O:
9 , p.. , principal spillway. Payment = $850 50iac/Ibs 9 .H i X850 50!ac/Ibs '.,~'yq •~I N
4) Fence and warning signs to be erected whenever necessary.
_ o_ _ _ _ is yment'- $52,828.13' Pa' ,5) Constructed height of berm should be 10 /o greater than desi n H 628,13'
~ ~ ~ FI IAAIAIADV _ nn ~inr i ier
1-
ideslop allow es or should settlement notbe o steeper tha..... es Design 6) Basin i n s to .5.1. height is minimum. THIS NITROGEN BUY DOWN IS FOR THI FOR CONSTRUCTION N IS FOR THE MULTIFAMILY PARCEL ONLY AND
DOES NOT INCLUDE THE COMMERCIAL f . 'OMMERCIAL PARCEL TO THE SOUTH. Project No. C7031
Drawn By IAM
07-SP-112
APPROVED Checked By RAH
TOWN OF CARY Issue Date; 10.11.07
Approved by Date STORMWATER MANAGEMENT
Planning Date C702
Engineering Date PLAN - NORTH
SHEET 20 OF 81

r` ~
00 ~
~ ~
N~ O
. - ~N ~O
i
- ~N 00
~ : r
. . . ~ . :t
, ~ : 20' EMERGENCY SPILLWAY TOP OF BERM a o ~
,......,...v.._...,..,. u i ~ :a : EL 441.00 EL 442.00 o
.r';'.: , EL 438 0 WIDTH = 10FT ~
SE N SEDIMENT SEE RISER ~ ~ >
~ ; STICK STICK DETAIL _ _ _ ~ ~ ~ ~
6' SKIMMER ~ 1, 3.~ ~ ~
~ :s.. ~ Z' c ~
~q :
~ s, ~ ~ l , ~ - ~ .1 \ : TORM EVE L 6~~ ~ ~ ~ a D_ !Z 'S10 1 -4_ 2' - 45' - 24" RCP ~ ~
, ~ 0 5 ~ ELEVATION
, : .4 l : . ~ . 1 YR 440.42 „ ~ SEDIME y ` ~'5' ~ +J SEDIMENT DRAWDOWN 0.4X ~ ~ U) U) ~
, ~ : : ! - 440.87 FOREBAY STORE Z' CONCRETE ANTI-SEEP > STORAGE POND RISER COLLAR (CAST IN PLACE O O ~

~ , ~ BOTTOM EL-433.00 : , ::1~~ ` . . SEE SHEET C907 WITH #4 REBAR EA. WAY)
..L ~ \ 1 1S~lRR+ °~f~D,~ POND A
L . ~ ~ ~ X.3: '
~ ` : NOTES
\ ~ : ~ , ~ ~ ~ _ ~ ; ~ ' , . ;l 1. DURING CONSTRUCTION, USE SKIMMER ATTACHED TO THE 6 DIP DRAWDOWN PIPE FOR DF J PIPE FOR DRAINAGE.
, . ~ ~ ' 2. CONTRACTOR SHALL NOT CONSTRUCT FOREBAY UNITL SITE IS STABILIZED AND SEDIMENT .ND SEDIMENT BASIN IS CONVERTED TO WET POND,
, ~ ~ ~ ~ ~ ~ ~ ~ ~ ° ~ ~ ~ ` ; ; ' 3. PLACE A SEDIMENT STICK IN SLOPE OF BASIN TO PROVIDE 2 FEET OF SEDIMENT STORAGI ~ IMENT STORAGE
. ~ ~ ~ ~ ~ ~ ~ • : 4. AT CONCLUSION OF PROJECT, CORE DRILL A 4" DIA. DIP PIPE IN THE RISER SO THAT TH ~ ~ \ ~ ~ ~ ~ ~ : ~ ~ , _ ~ INSTALLED ON DRAWDOWN PIPE. ~ SO THAT THE INVERT IS AT THE PERMANENT POOL ELEVATION AND REMOVE SKIMMER
~ : ~ ~ ~ r. i
~ ~ ~ , , MAINTENANCE: .
~ ~ . ~ ~ ~ : 1. INSPECT TEM FTE EAC ERIOD OF SIGNIFICANT RAINFALL. REN ~ ~ ~ ~ ` PORARY SEDIMENT TRAPS A R H P f. ~ ~ ~ ~ ~ ~ l:. RAINFALL. REMOVE SEDIMENT AND RESTORE TRAP TO ITS ORIGINAL DIMENSIONS WHEN THE
~ ~ ~ ~ ..:X~ ° SEDIMENT HAS ACCUMULATED TO A DEPTH OF 2 FEET. PLACE THE SEDIMENT THAT IS REMOV ~ ~ ~ ~ ~ "t . ` • ~ ~ ~••p~~ - ; ' 2. CLEAN PONDS TO DESIGN DIMENSIONS DETAILED BELOW AT A MINIMUM AS NECESSARY. SHAT IS REMOVED IN A DESIGNATED DISPOSAL AREA.
~ ` ~ » NECESSARY.
~ \ d

r, ~ ~ 1 ~ ~ ~ ~ ~ ~ ~ ~ POND CROSS SECTION ~ SECTIONS ~ >
~ ~ ~ ~ N.T.S. o~~~
'
, ~ ~ a Z ~ ~
~ w ~ C XO}~a'
. , W ~ ~ ~ ~ ~ o_Na~~-
\ A \ ~ ~ ! 1 , 0 a~~at~
. , ~ :
~ ~ \ ~ .
a
:
,gyp .v ~ : : : Q
>i::. :
: - ' <:; 4
w.., z ~ -UTURE COMMERCIAL PARCEL J m
• : ~ : W
~ { S N ? f ..It... . Z
r J;, W ~
: _ _ _ _ _ Q Q
l : ~ I Existin Site From Nitro e i -rom Nitro en Loadin Calculation Worksheet O U
, ~ I.: . - Total Site Area ! U 313 ac I W
. Impervious Area 0 OO;ac
1 ' Managed Open Area 4rea 0 00 ac. (n
00 YR ~ Undisturbed Open Area . - - 'n Area 3 13 ac O G ~
. _ LL
~r11 , , ~ otal Nit Lo CI/C1{ATI/llvl / / ;~~t' T rogen ailing oading 1 88 1b/yr Q 0z~
Total Ex Nitro en Ex ort en E~ rt 0.60 Ib/aG/ r ~ U
LL i.....
_ ' 0
;Pro osed Site From Nitrot: LEVEL SPREADER CALCULATIONS -Total site Ar From Nitro en Loadin Calculation Worksheet) ~ V Z
ea 13LF PER 1CFS OF DRAWDOWN (GRASS AREA BUFFER (20' OF 50') Impervious Area 313 ac
65LF PER 1CFS OF DRAWDOWN (WOODED AREA BUFFER (30' OF 50') Managed Open Area 000 ac O area 2,13: ac
DRAWDOWN RATE = 0.41 CFS Undisturbed Open Area ~n Area 1,OOac
X (13FT) X 0.41 CFS + X (65FT) X 0.41CFS = 18.21LF (REQUIRED) I
PROVIDED = 20 LF GRAPHIC SCALE ) Sub Total Nitro en Loadin g. g yen Loading 3 16 Ib/yr ' I
so o ~o as w Sub Total Nitro en Ex ort en Ex ort 1.01' It?%ac/ r
Removal by BMP +IP 'Wet Pond A
~IN~')
Drainage area to Pond A & B 1 inch = 20 ft~ ~ Pond A & B 2.130
Effective removal rate ~I rate Project No. C7031
a°^a
_ _ a~~~ rT~Y
u €q
'Pro osed Nitro en Ex ort ~ ~enExortwithTreatment ~ N~~~ ~ EA
Total ..,.,Total , TN Export* Treatment,. TN Export Z~~ ~ v~m
Area Area Amount Reduced ~ S ;eOq ~axMM$ a=z~ I
ac ac Ibs/ r Ibs/ r Ibs/ r LL W W~ ti 3i &&o~ ':;;a:?.;:a;.::': a::'~€€ 0.639 1.917 ry ` ` N ~ ~ o+ rn r q
To Wet Pond A >::~`:n:..:»::.:~: o.w~:.,: : ~ a „ ~ v A
RIPRAP DI IP SS ATER CALCULATIONS SEDIMENT BASIN CALCULATIONS "E c: °~iEJ
Remainin Site 1.000 1.000 0.600 O.ooo 0.600 -
Total Area = 3,130 i = 3,130 2 517 ~ r^ E~ ~ v 1 P
* minus calculated "double trey Summary of important elevations ed "double treated" area from Bio Retention Ponds A & B mTO
Outlet ~ e dt~meter Len th 'Tot - _ al Nitrogen Load - l 2 E o p ~j~ ~ E E `a oad - _ 2 517 Ibs/yr o
Outlett1ow~ate Width= _ - _ ~v _ 3.130ac amoOE aw~~~ a ~
Outletvelocit ~ ` Stone diameter= Total Site Area : Y t ~,r. , . ~~CIE~~t ~~ri in~ri Total Prop Nitrogen Ex ort r o ~gen Export = .:0.80 Ibs/ac/yr ~~~~3
? Material t.i,:.; Thickness=; ' f~E~~rCI'p5t~1~v&I;tQn ? ''~~~0~~~~
~ts~ d3am~ter ~ 96 ~nche~ B~rr~ldt~meFter ' 1~ tltalle~ Zone Material Diameter Thickness Len th Width
_ . I I4 rend s)~~Il~ray ~e~ i~lrFv~tlpn >~~11 4~1 CI1ssA 3 9 4xD(o) 3xD(o) ~
,,..n... .,.rv ~ ~ ~ ! Bu down Pa merit Calculati ~i~ge~lc~ ~ptffwa~ I~t«~th ~:ir} : ~5 Beet Y. Y 2 ClassB ~ 6 22 6xDo 3xDo rent Calculation
_..m.... I. , _ Nitro en Limit 9'4Y~r Ww~L ~era~~ ~Ilwa >~41 5~ ~e~# 1,. ~ Y 3 ~ Cass I 13 22 8xD(o) 3xD{o) a~otla~rmeleval~~n~s~tll~rl) ~~~f~Ofeet ' Total Parcel Area = Jitrogen Limit 3 6 Ibs/ac/yr
T 4 Class 1 ~ 13 22 8xD(o) 3xD(o) ~'r~alYss~r~ tr),1 D ~e~3` fitbt'~1.. tt Sit fd8t - _ ' ' Total Nitrogen Export - it Parcel Area 3 13 ac ~<<~~""""~,,,~
5 Class II ~ 23 27 10xD(o) 3xD(o) _ _ --__.6 _ _ ~ .............:.Payment = rogen Export _ 0 80 Ibs/ac/yr _ CAR~~
Class 11 I 23 27 10 x D(o) 3 xD(o) ~ ~ _ Notes Payment $850 50 ac/Ibs ~S~OH~/y9 :Q 9~b
7 S ecial study re un~ed _ _ s Pa menu.:.- Payment = $4.00 ~ SEAL
Calculations based on NY DOT method Pa es 80605 through 8.06.06 m NC F~•osion Control Manual 1) Anti-Flotation block must be sized outside this worksheet. . _ _ _g..: 033317 2,
2) Design trash rack, oranti-vortex device /trash rack outside this worksheet. *THIS PROJECT DOES I ~OJECT DOES NOT INCLUDE THE 'BUYDOWN' OF %-9 ~~~FNGINE~~r~'~~
3) Design velocity dissipator for barrel for design flow through NITROGEN FOR THE FL ~ h~N~aaN~~ v N FOR THE FUTURE COMMERCIAL PARCEL. SEE q ev~~~
principal spillway. SHEET C401 FOR IMPE ,401 FOR IMPERVIOUS LIMITATIONS OF THIS PROJECT 'n,;~~~~HA~`~~`
4) Fence and warning signs to be erected whenever necessary. PRELIMINARY - DO NOT USE
5) Constructed height of berm should be 10% greater than design FOR CONSTRUCTION
haiaht to allow for settlement of harm nasinn hainht is minimum
6) Basin sideslopes should not be steeper than 2.5:1.
Project No. C7031
Drawn By IAM
07-SP-112 Checked By RAH
APPROVED
TOWN OF CARY Issue Date: 10.11.07
Approved by Date STORMWATER MANAGEMENT
Planning Date C703
Engineering Date PLAN - SOUTH SHEET21 OF 81

~ ~
~ o
> > > > NCDOT STANDARD 2' x 2' GRATE 4" 8" 35" MINIMUM 8" 4" INTERMEDIATE TYPE 4X4
(SEE NOTE 5 FOR ORIENTATION OF GRATE SHALLOW TYPE SHALLOW TYPE INTERMEDIATE TYPE ~'X4'~ DEEP TYPE (5'X5' cw ~ °
(5 FEET OR LESS IN DEPTH) (5 FEET TO 20 FEET IN DEPTH) (OVER 20 FEET IN DEPTH) (5 FEET OR LESS IN DEPTH) (5 FEET TO 20 FEET IN DEPTH) (OVER 20 FEET IN DEPTH) r- O r-
MORTAR BED
- ..h.,+, , REINFORCED STANDARD STEPS REINFORCED STANDARD STEPS 36" REINFORCED r- N :INFORCED •d. 16" ON CENTER CONCRETE O O
~ CONCRETE SLAB 16" ON CENTER 36" CONCRETE SLAB ai STANDARD , )NCRETE SLAB 36" REINFORCED SLAB CONCRETE SLAB
CORBEL BRICK ~ ~ °D 38^ STANDARD STEPS g~pg 36"--I • ~ 1' PER COURSE 0 16" ON CENTER 16" O.C. 6„ •
FOR 6 COURSE V 6" ? 8 ALTERNATE LAYING 8" ~ LTERNA7E LAYING STANDARD STEPS 4g" 6" D 0 ~
: OIREC710N EVERY 6° ALTERNATE LAYING 6" 0 12° THIRD COURSE IRECTION EVERY 16" ON CENTER STANDARD MIN. 5:1 MAX. ~ HIRD COURSE 6" •Y 0 ~ STEPS 6"
DIRECTION EVERY ALTERNATE LAYING I l DIRECTION EVERY •r •r.. .i THIRD COURSE 1 •~a;lr M~.•~,' ~ L " a: ~ 16" O.C. 6" ~ >
L L THIRD COURSE 6" i`x•~H ~ r5:~t 4~1.: ,•ya ~ ~
~ ] ~ MIN. 6" WASHED a . • : • N N
Z d' I I ~ STONE BEDDING ~ ~ MIN. 6" WASHED MIN. 6" WASHED STONE BEDDING
~ ~ ~ FRAME, GRATE & HOOD PER D.O.T. STD. 840.03C FRAME, GRATE & HOOD STONE BEDDING FRAME, GRATE & HOOD ~ ~ PER D.O.T. STD. 840.03C FRAME, GRATE & HOOD PER D.O.T. STD. 840.03C -
~ 'e I I REINFORCED FRAME, GRATE & HOOD 5:1 MAX. ~ m FRAME, GRATE & HOOD CONCRETE PER D•0•T• STD. 840.03C a PER D.O.T. STD. 840.03C SLAB PER D.0•T. STD. 840.03C 1 ~ ~
REINFORCED REINFORCED .L CONCRETE ~ ~
j ~ ~ REINFORCED i2" . CONCRETE SLAB MAX. 26" o 0 26" SLAB CONCRETE SLAB MAX 26" ~
: I It26" FROM 5'-0° • ~ ~ PIPE e„ I a I 6" NOT TO ~ ~ ~ c°v MIN. EXCEED 5'-0" 26" • z ,s • ; ~ OVER N
ao 48" i 60° ~ " - 8 tr 'e• FROM 5'-O" - r- 60" 20'-0" O O ~
p:: ' 4" 8 NOT TO 6" ~ o . EXCEED 5'-0" TO 20'-0" ~
. ~.a:. rr O 12" ~i w m ~N m . O: MIN. I MIN.
N~ MIN. 6" WASHED O ~ .j;,;•y°:,. M STONE BEDDING . r..: • : • ' ~ : • • f...
CONCRETE - NOTES:
300o P.s.l. PLAN VIEW s° 3000 P.S.I. CONCRETE SLAB DETAIL SECTION 1. CONCRETE SHALL BE 4000 P.S.I. MINIMUM FOR ALL MIN. 6" WASHED MIN. 6" WASHED PRECAST CONCRETE CATCH BASINS. STONE BEDDING STONE BEDDING
2s° SLAB DETAIL 2 NOTES: 2s„ 2 PNSTALLED~O DEPTHSTCERTIFIED AS ACCEPTABLE SLAB DETAIL SLAB DETAIL
BY THE MANUFACTURER. 26"
r SLAB THICKNESS AND 3. ER SOLID BRICK, SOLID BLOCK, OR PRECAST CONCRETE MAY BE USED. 64^ 36 8" REINFORCEMENT FOR r 3. "WAFFLE" BOXES ARE ACCEPTABLE FOR SHALLOW r
2. FOR 24 INCH R.C.P. AND LARGER USE PIPE DIAMETER PLUS 12 INCHES FOR MINIMUM INSIDE DIMENSION. L SOIL AND TRAFFIC 36" e" SLAB THICKNESS AND 3. GRATED INLETS SHALL NOT BE USED WITHIN TRAVEL AREAS. LOADING BY AN 76" L REINFORCEMENT FOR CKNESS AND TYPE CATCH BASINS. SLAB THICKNESS AND ~EMENT FOR 36 6• SLAB THICKNESS AND 72~~ 36" 6" REINFORCEMENT FOR
4. STANDARD STEPS REQUIRED ®16 INCHES O.C. WHERE DEPTH EXCEEDS 3 FEET. ENGINEER SOIL AND TRAFFIC TRAFFIC 60" REINFORCEMENT FOR 1•- SOIL AND TRAFFIC
~ 5. WHERE STEPS ARE REQUIRED, USE OF PRECAST CONCRETE SLAB SHALL BE USED AS TOP AND GRATE I'-64"-'I LOADING BY AN POSITIONED OVER STEPS. ~ ENGINEER BY AN -I- SOIL AND TRAFFIC 26" LOADING BY AN LOADING BY AN ENGINEER
6. YARD INLETS DEEPER THAN 10 FEET SHALL REQUIRE DOUBLE WALLS. OVER 8' IN DEPTH, 12" WALL THICKNESS TO 6' FROM I--76"-~ TOP OF WALL AND 8 BOTTOM SLAB SHALL BE USED. ENGINEER
DETAIL No. DETAIL No.
STANDARD YARD INLET WITH GRATE AND FRAME STANDARD CONCRETE BLOCK OR BRICK CATCH BASIN )ETAIL No. DETAIL No.
08000.02 08000.03 EFFECTIVE; 07/01/04 SHEEr t of t EFFECTIVE; 07/01/04 SHEET 1 OF 2 E )8000.03 STANDARD PRECAST CONCRETE CATCH BASIN 08000.03
SHEET 1 OF 2 EFFECTIVE; O7IO]IO4 SHEET 2 OF 2 U~ M O O J~'~~~
1/8" RADIUS 1~'a" R D~r-r-
GRASS MEDIAN OR CONCRETE ISLAND 3/4" R 1 8" R Q L L J ~ ~ ~
W a r,~ f DEEP TYPE / STANDARD TYPE L O Q Z~ O
SEE NCDOT STD. 840.03 m I _ UP TO 20 FEET IN DEPTH ~ ) OVER 20 FEET IN DEPTH FRAME GRATE AND HOOD g n C XC~~~6' ~ ~d.Q~rn
1 0 Q~vai~
EXPANSION JOINT B EXPANSION JOINT A 9" 9 STANDARD MANHOLE RING
1'-6° STANDARD MANHOLE RING AND COVER 2 -6" » „ AND COVER i
SECTION A-A
T P STANDARD r TOP DESIGNED FOR A B C 1/8" RADIUS 1~a" R • 0 DESIGNED FOR HS-20 LOADING 'NED FOR ADING
STANDARD HS-20 LOADING STEPS 16' MAY BE FLAT OR LAT OR
1'_g" 10'-0" 3'-1~" 10'-0° 3/4" R 1/8" R STEPS 16 MAY BE FLAT OR ON CENTER 60" I.D. ECCENTRIC CONE ` f ON CEN R 48 I.D. o ~ ECCENTRIC CONE MINIMUM CONE J
• " MIN. OVER 20 -0 PLAN VIE ~ „ F--
•~'-K•~;'~' UP TO 20-0
„ 5:1 MAX. PLASTIC CEMENT - VAR. 9" TO 2'-0" 6 PUTTY OR BUTYL CEMENT ~ Z ~
10'-0" 3' lY~" to'-0" 5" VAR. 1'-8° TO 2'-8" 5" PLASTIC CEMENT RUBBER JOINTS R BUTYL JOINTS III ~ n m
PUTTY OR BUTYL ';;;t~~;.: RUBBER JOINTS 4•~~ ~ r~`.`'''"' Lil v J J
,2" - - SECTION B-B ::a •,,rf... 6„ .
s.:l..iiX .1 .t. ~ fi•' I I I I ~:ixl5 ;',M: ^'^4`3+ ~:t~~'~ ~•:si? ,.i..a~.. "1.~t'!f?..ti!cy,;.::e• W z ~ z
XP I I I I DEPRESSED GU R N 7„ ';~•,•r'' ''•"x;:+.:!~w•;~-,. ="x' E ANSION JOINT ~ i i T1E LIE BRICK AND MINIMUM 6" THICK O v ~
EXPANSION JOINT BRICK AND MINIMUM 6" THICK MORTAR INVERT WASHED STONE BEDDING SEE NCDOT STANDARD MORTAR INVERT WASHED STONE BEDDING )ING ' ` ~
~~~~T~~~~ NO. 840.01 OR 840.02 O\P~1 V ~ ~ ~
ELEVATION ~E P55
Roy FLAT TOP DETAIL
2'-6" ~o ° FLAT TOP DETAIL 6„ 2,-D„ ~5 a~oo
t~rL~" ~o e~R ~1 O ~ _ O z Q
1/2" RADIUS GAG ~pP PS~d ~ •(P LPG STANDARD STANDARD ~ U
3" RADIU q S~PG~6 le~~ STEPS STEPS S 1/8" RADIUS G00 GPI ~ 5~~ P
~ ^ 0 OR - ~ U~~ Qo
'(P eR
1'-6" CURB AND GUTTER ~0 P U z
» GR6 ~ SECTION C-C Goy 0
STANDARD MEDIAN CURB FOR CATCH BASIN DETAIL No. DETAIL No. )ETAIL No.
FOR USE WITH 1'- " 08000.04 STANDARD PRECAST CONCRETE MANHOLE JUNCTION BOX 08000.05 ( 6 CURB & GUTTER) )8000.05
EFFECTIVE; 09/08/05 SHEET 1 aF 1 EFFECTIVE; 0710]/04 SHEET 1 OF 1 SHEET 1 OF 1 li
O SEE DETAIL OF APRON Z II~ O ~ BUPPOAT NOTCH • 8EE 3'---0~ O _ ~ A4 BAA tH~ BTD. 840.17 SHEET 1 13'• B~q" ~
~N. ZO TOP ELEVATION ~ 11'-g„ I ~ aQQ
~~oz ~ ~ r•e" DOWEL-81 z~~p r O ~ -I N ~ MEDIAN DITCH GAAOE~ A I ~ C7
HZ1=D / ~ FOR 16" THRU 36" INLET OJOa2Z D n m / _ _ ~ W Q z W Project N D. C7031
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STANDARD MANHOLE RING AND COVER PART SECTION V-V DDWEL B~,Br DA B3~ 2 ° ~ a n n ~ - FOA42"INLET FF Z~~; ~BNq
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i,.. ~ TROUGH + 3.5 m 2 I I ~ ; r__ ~4 BAA ~ ~ ~cofEc
3 ~ 0 0 00 0 0000 m 1'•3" u I r_~oo r~~c~o c-iooo N DOWEL-B3 c~ W Y,~a~ = I~ i Imo' ZJw
0.5' m p N I °o°o°0 000 000° °o'' • I - - - _ 3 Z I~•i ~a ~ ~ e - DUANTITY TD BE ADDED FOA EACH 2' INCREMENT INLET OPENING Q N a ~ r
24' 46 ' = ti .i 2 Z ~ ADDITIONAL INLETS 2'-0" 4'-0" 8'-0' 8'-0" 10'-0" 72'-0" ~ $itid5 ~ ~ 1'?" CONCRETE CU. YDS. D.191 0,417 0.885 0.897 1.14 1.380 p Q N "%%>i:<~ " `~•°B~
TROUGH + 3.0' "RCP ' k 30 i::;:: ~ > Eu E= Q n DOWEL-C CONCRETE APRON CU. YDS. 0.074 0,148 0.222 0.298 0.370 0.444 2 ~ ~9"" ~ ;
TROUGH AT EL 431.50 POND A~- ~ NCO I- V CONCflETE APRON ~ _ O 0 j a\\ ;.;.;•a _ aE ~ O MIN. DIMENSIONS AND QUANTITIES FOR CONCRETE INLET(BA9E0 ON MIN, HEIGHT, H) Z = 2 ° a+ °o° ° _
432.00 POND B if ~ 48" ,:.~i 3' , i y " ~ ~ DIMENSIONS OF BOX AND PIPE REINFORCING STEEL - N0. 4 BRAS CU YDS CDNC. IN BOX DEDUCTIONS F Q °s =
12 i~ ~ ~i TROUGH = 431.2 POND A ~ ' ~ ~ f PIPE SPAN I~ WIDTH SPAN WIDTH HEIGHT BRAS E BRAS F I BRAS G BRASH TDTAL BOTTOM H H PEA ONEOPIPE W ~ ' ~ Z H APRON TOTAL D N R1 r Z 0 J K L M H N0. LENGTH N0. LENGTN~NO.'LENGTH N0. LENGTH LBS• SLAB TOTALFT HT C.3. R.C. N W r
ROUNDED LIP AT TROUGH + 0.5' " ! 432.5 POND B n ~ INV ELEV. TROUGH +4' i m O 12" g~.g" 2'. p" 3'.g"I 2' 0". 3'-9" - - - - - - - - 0.362 0.926 0.247 0.395 1.683 0.015 0.024 ti ~ 16" 3' B" 2'-0" 3'•8"~ 2'•D°I 4'-0" - - - - - - - - - 0.362 0.988 0,247 0,3951 1.746 0.023 0.03fi J
MATCH EXISTING GRADE---~;? v PROVIDE 12 SUMP 1 ~ S 1B" 2'-0"I q' 3" - - - ~ - - - - - - 0,362 1.050 0,247 1,007 p,033 0.049 Z W 24" _ 2'•10"I 4'-9" 8 1'-6'rl g 4' 9" - - - 27 0.444 1.382 0.278 ~ 2.201 0.059 0.085 W W
BELOW OPENINGS L J CONCRETE LEVEL SPREADER (BEYOND) :a>: TRWGH - 1.0' 24" X 24" OPENING EACH 9DE ~ ~ ~ ~ of - - ~ - ~ m 30" 9'-8" 3'-5"~5'~3" 8 2'•0" 7 14'•9" - - - - 33 0.502 1644 0.268 2.641 0.092 0.121 ~
( ) ::.;:b;;,~;; GROUT TO PROVIDE SMOOTH 38" 4 -0 ~ 4' 0"I 5'•9" g 2'•5" g 4'•11" 4 0' 9" 2 ~ 4'-11" 47 0.680 1.931 0.321 2.920 0.182 0.178 Z 11111111 42" 4'•70"4'•10"~ 6' 3" 10 3'•1" 9 ~ 5'•7" i'•6" 3 6'-7" I 67 0.704 2.500 0.370 3.877 0,180 0.243 I C X111 1111
• TRANSITION TO LEVEL SPREADER PLAN VIEW SECTION A-A' 0.B„ 5'-4"~ 5'-4" 8'~9" 111 3,-7" 101 B'•1" 1'-11" 4 B'-1" 87 0.823 3.013] 0.407 4.316 0.235 0,317 V CA~O Il~j~ 54' 6'~0 ~ j 6'~0" 1'-3" 12 4'•1" 11 8'-7" 2'-5" 6 6' 7" 107 0.851 9.689 0,444 ; 6.072 0.287 0,401 ••••w•~y~ ,f~~j
80 8'•8" 6'_6" T-8" ' 13 4'•B" 12 T-3" ~ 3'•1" 6 T-3" 73_6 1.18 4.5_99 DA94 ~I 8.170 0.367 0.496 O~•••~~S~Q ~i SHEET 2 DF 2 88'- + T•2" 7 2 B ~3" 14 5'•4" 14 7 •10" ~ 3'-7" 7 7-10" 168 1.3i 6.061 0,537 i 6.901 SHEET 2 OF 2 ` ~ Q • '9
NOTES: 1 0,444 0.599 • Q. -f - _ _ _ ~ 840.1 ! 72" 3'•8" 2' 0' 7 -8' 17.8" B -9' 15 6.11" 15 B •5" 4 4 -3" g A'-5" 199 1.500 5.880 0.58D 0.395 7.888 O,b28 0.713 840.17 ~ i 4 SEAL ~ S
1. USE CONCRETE MIN. 28-DAY STRENGTH EWAL TO 3000 PSI FOR LEVEL SPREADER.
~o = 033317 :2; :.c'•.• ~ ~ •t O
2. CONSTRUCT UP AT +0.5' HIGHER THAN TROUGH. ROUNDED UP AT 6" TYP. 9 ••.•HGINE~•'~~~;
3. CONSTRUCT LEVEL SPREADER ON UNDISTURBED SOILS. RECEIVING AREA BELOW LEVEL TROUGH +0.5° SPREADER SHALL BE AT EXISTING GRADE AND UNDISTURBED BY EARTHWORK OR EQUIPMENT. .,-Y q a.... 0~ IIIIII;IIIIH AM,,```,
4. AREA UPHILL OF LEVEL SPREADER SHALL BE SEEDED AND STABILIZED IMMEDIATELY FOLLOWING LEVEL SPREADER CONSIRUC110N. PRELIMINARYn- DO NOT USE
1RWGH AT EL 431.2 -POND A FOR CONSTRUCTION
TROUGH AT EL 432.5 -POND B
He• rYr. Project No. C7031
SECTION B-8' Drawn By IAM 07-SP-112 Checked By RAH
APPROVED
TOWN OF CARY Issue Date: 10.11.07
~ CONCRETE LEVEL SPREADER AND JB16 DETAIL
NOT TO scnLe Approved by Date
Planning Date STORM STRUCTURE DETAILS C903 Engineering Date
SHEET 28 OF 81

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NOTE, THI515 A SAMPLE ONLY. CONSULT MANUFACTURERS NOTE: THIS IS A SAMPLE ONLY. CONSULT MANUFACTURERS FOR INSTALLATION, SIZE, LOOK, AND MATERIAL FOR INSTALLATION, SIZE, LOOK, AND MATERIAL
FINAL PRODUCT TO BE APPROVED BY OWNER FINAL PRODUCT TO BE APPROVED BY OWNER
PUTTING GREEN COMPACTOR UNIT DETAIL - RJ-250 SC ULTRA (34CY) CONCEPT \\\~~~0 ° ~ ~
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NOT TO SCALE NOT TO SCALE ~y\\:r Q
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1. NEW PEDESTRIAN BRIDGE SHALL BE SITED TO CROSS ~ O ~ !I
DRAINAGE CHANNEL ? ,
v 2. NEW BRIDGE APPROACH RAMPS SHALL MATCH EXISTING ~ ~
SLOPE, SIZE AND ELEVATIONS AND BE OF SIMILAR ~ ~ ~ (n !
~ l~ CONSTRUCTION OF BRIDGE DECK AS SHOWN HEREON. 0 ~

~ ~ ~ ~ < 3. CONCRETE FOOTER 12" DEEP, 12" WIDE SHALL BE ~ z Q
P O ~ U OURED OVER UNDISTURBED EARTH.
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Project No. C7031 s
~ ` \ ISOU110N JOINT / 4 X 4 WOODEN POST
~ ~ 1-1 2' O.D. GALV. STEEL PIPE :b.2\ ~ ~ i. CONCRETE WALK ~ ~ <,; .r; v RAIL TYP. - FlNISHED AS PER PIPE NNLED TO JOIST ~ E ~ ~
~ LANDSCAPE ARCHITECT DER ~ o v€~; u ~ m -z a~~o o~
e~ocE WITN ~ ~ o N~ LL E
, ~'2~`~ trIIDDLE RAIL ADDED WHEN MORE IRAN :fir; 6 RISERS MORE THAN s' SPAN W
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\ , S",. , ~ -I I -I -III-) \ ~~~~~,.;:,`~;.:q:...,~, ~ M~ - _ NATURAL TRAIL AT GR AL TRAIL AT GRADE WITH trfETAL Pu _ _ _ ~ ~ ~ ~ €
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NOTE: ThIIS ISASAMPLE ONLY. CONSULT MANUFACTURERS SEAL
FOR INSTALLATION. SIZE. LOOK, AND MATERIAL FINAL PRODUCT TO BE APPROVED BY OWNER ~o 033317 ? 2
9,y NGINE~
CONCRETE STAIRS AT RETAININ WALL G TRELLISAREA CONCEPT PEDESTRIAN BRIDGE
NOT TO SCALE NOT TO SCALE '''~'~~J~ I'H AM~~~`~~
NOT TO SCALE PRELIMINARY - DO NOT USE
FOR CONSTRUCTION
Project No. C7031
Drawn By IAM
07-SP-112 Checked By RAH
APPROVED
TOWN OF CARY Issue Date: 10.11.07
Approved by Date
Planning Date SITE DETAILS C906
Engineering Date SHEET 31 OF 81

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