20040825 Ver 2_Stormwater Site Plans_20080416

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LE~EP~E~
78° 50' 30" 0 ZB° 50 00 ° oao M 2 050 000 FEET 2 047 500 FEET 895 ~~°~~~~j SPECIAL FLOOD HAZARD AREAS (SFHAS) SUBJECT TO
M PANEL LOCATOR DIAGRAM 7e°5r3o" 76°5roo" JOINS PANEL 0847 694 popM z E OF NORTH CAROLINA FIR 693 00o M 4T 2 04o Doo FEET ~ a \ \ a \ \ \ ~ a ~ \ ~ \ ~ " , ,z , ~ ~ ~ ~ ~ ~ ~ srD DDD r-EEr INUNDATION BY THE 1 % ANNUAL CHANCE FLOOD
" t \ • ' ` tie :1 Q\ ~~~\\`v\~`\ \ ~C`@ og ~\~~e~r \ \ z ~ ~ ~w ~ ` x, * ; The 1 % annual chance flood (100-year flood), also known as the base flood, is the flood
e \ \ „ " n y. ' • a\ r 870 000 FEET ~ \ ` ~ ~ , . ~ \ c ~ a s a , ~ . .a .142.7 \ ° A ti c ~ ~ F~ that has a 1% chance of being equaled or exceeded in any given year. The Special x, '1~ ` y g ~ .'3 ~ ' Flood Hazard Area is the area subject to flooding by the 1% annuafchance flood. Areas
• i•. e. \,tuty 0 .091.,, .7\, \\\a. t\,q`' i ~ •y3 \ ` ~ \ :0396 a \\>a~ 1\. Ca a` ` ,,:F"\ \ C. ~N.\\ f~. ;.t~ • ' ~ , of S ecial Flood Hazard include Zones A AE AH AO AR A99 V and VE. The Base
\ a. \e . c \ aa\\aG\Z \ .t ..o ' . c, \ _ - \ ~ lad\C i\ a ~ :~a . F ~t ;~\a'; • Flood Elevation is the water-surface elevation of the 1% annual chance flood. ~ ~ ; ' a ~ • ZONE A No Base Flood Elevations determined,
' " I C ~ h • ~ i ' ,0 ZONE AE Base Flood Elevations determined.
„ t, s p V . ; h~ , , a +„e ,~s~ ~ \ 8l D7 1 ZONE AH Flood depths of 1 to 3 feet (usually areas of ponding~; Base Flood
,,r • ~ .s I GRANNLLE g \\<r Z 089 ~a\\t n' 'C\\``. \ a ' Elevations determined.
\ ' a ps; •G:'PFE°TS F~ s ZONE AO Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain);
ti' ~'F.< 397 h o~\\~ y?~ ~\w~ ~ \ ` aa,,, \ WL RI,' E:. • Ts0 . E ~ average depths determined. For areas of alluvial fan flooding, velocities also determined.
, ` ~ ZONE AR Special Flood Hazard Area formerly protected. from the 1% annual
\ 1 ' ~ chance flood by a flood control system that was subsequently . ~
: ' ~ ~ ~ decertified. Zone AR indicates that the former flood control s stem is \ 3 being restored to provide protection from the 1 % annual chance or
l' 'r .,r„ a ~ , x , \ ~ as ~ greater flood.
i : r \ ~ 9rj, ~ i \ ~Y< • \ ~ ~ ,3,. a 07,9 e ~ Ul ' > \ \ .069, ~ \ ~ , ` ~ ZONE A99 Area to be protected from 1 % annual chance flood by a Federal flood protection system under construction; no Base Flood Elevations
axf. „r t F Of!': as \ \a'' 1. \ n t> 354y` u\a \a, ?6~~~~ a~~\~ ~ ~ determined.
23 \ ZONE VE Coastal flood zone with velocity hazard (wave action); Base Flood Elevations
3 ~ ~ ~ ~ determined. C
u \ C . \Y . \ ~a\ ,f a, Q , , ~18~; ~ ~ ~ ~ • a y v~y;~ Y : ~ Ft00DWAY AREAS IN ZONE AE
~•.;r r~ \t n. \ .w,eF a3;. ~ a ~\ay, ~vt\ ",~~v\:\ a ?,C \ .~\\.2•` ,`a~'.; ` ' e , ~ aa, The floodway is the channel of a stream plus any adjacent floodplain areas that must be
:'p \ r~. ..(ti, ,.C' = t4 ~ i~rt,a ,y ~,v ~ u \ \ h ~C.. \ , , . i a y:: r • \\~\~Flat~"Ri~drnTrabuta .,-2 . aa ",a. f ° ` a' • kept free of encroachment so that the 1 % annual chance flood can be carried without \ J = ~ ~ ~~P ~ > 3
•\C '*~C~` `~ja t \k G\,~a.a: \ ~ ~ 064. \"C~`~. b. z \ ' \ ~ .r\ C\ Vie' ~~~a a~ ` 1, ~ ~ °1 R substantial increases in Flood heights,
C;. L 1~ ~ ~ \ 1.,.,.y x75 ~\\\Z~1 \ l: Fti t o ,:a \'k' n~.\Z\ S\..'\. ea., C \ \\~v:... ,s,t~. ' . i t' ~ x t\ ,s;. is ~3, v..,~\ Fca,.`av a. \ .5 n, rig .\S\,a \'i.a 1 . p \ r, 0 • \ - : Ca ;•.a • ` 4001 pW M y. Jr srM sa: \ t Oo z~~ ` ash ~ a! " \ ~ ~ np
• tit x ` , , i3 '~a•. \ D \ o yti~ ~~t\~ ,i ,4~.~\~\,: \ ~ \ • 0~ ~ IX . OTHER FLOOD AREAS aao ~ ~ r 7: a' 4001 00o M ZONE X Areas of 0.2% annual chance flood; areas of 1 % annual chance flood
„ :i ; ' . WAKE ~Ud.. G~ , ~ ~ ' ;a\•;.'.~? : ~ a ~ , r: , , ac ~ ,t~a~~0 ~ o ~ ; ~ with average depths of less than 1 foot or with drainage areas less than
.'rfhA Nd aaL # y ~ r^f0' 9 ;e ~ a . , ~ ~ n ~ t ~ \ ''S.`.` \ ' ~ ~ ` • ~c ~\\'«a~, ; " • ~ ryas p€~ 1 square mile; and areas protected by levees from 1 % annual chance
.2' a 3,\ t"a ~ 0~2~~\~~\ ' : r vr`~\Sti~C C\\ u. \ a i ~ 't ~~d~.a~ Rsi 'fir 4. ~ ~ a\\\~~\\,',v .yeo ~ ".\7':"` w r,•~~ ~r~'\ ra•.. a \ iaaC..~ a= _"a\:.: \ \v ~f'~' C\cy\a\ ka '^?q, ~e ~ t s .ii c 270 867 500 FEET flood.
• oao: ~y OTHER AREAS
36°08'00 ~ v~ \\\\~..~a\\\~ \..\\0. \ a DATUM INFORMATION i ' z ZONE X Areas determined to be outside the 0.2 annual chance floodplain. ti,
ma was the North Carolina ,'~a~ t.x „w at ~ ~ • \\\\I, ~ ~~•a '4 e re oration of this p t The projection used P P 1 datumwas the North American ' ~ ~ ZONED Areas in which flood hazards are undetermined, but possible. ~ O
rizonta t x \ e ~ ~ ~as~\ ~ \ \ a ~ a . . The ho a~8 1 rya sv \ \~a \ •n y `v`\\ \ ~ a\i s: ZONE 3200) ~ State Plane (PIPS nor ; ~ r ; a ~ ~ \ x " elli soid, rolectro , \ t'ti ~ COASTAL BARRIER RESOURCES SYSTEM (CBRS) AREAS ~ \
Datum f 9 ez \ z\'\\\\\a~~ ~\~\o\ ~ ~ \ ~ GRS80 elli soid. Differences in datum, p P of 1983, P , ~ \ n~, in the roduction of FIRMs far adjacent ~ \ , \ or zones used p ~ ~~y~\~\~~~~~ erse Merc a> ' ti`
Universal 7ransv , features across F. . < \ c' ~ ~ \ sitional differences in map ma result to s g P 3, , \ risdictlons y lu r c of this _ ~t F~ ~ \ • \ ~ \ • \ ~ E AE~• ° ~ \ OTHERWISE PROTECTED AREAS (OPAs)
do not affect the accu a y ndaries. These differences z<~~N~ ~w;~ \ \ < \ \\,'\s~° t ~ \ ' risdictional bou ~ 6 ~t~ a lu a rc a~~~,;1 \g~~\~\\~~~~~~ ~ ~ ~,\F•:,\ y' \ ~ CBRS areas and OPAs are normally located within or adjacent to Special Flood Hazard Areas.
a are In U.S. Survey Feet, wher ~ ~ ~ ~ \ this m i ~ ~ ° FIRM. All coord \ •Z Ifl AE ; 1% annual chance roodplain boundary
1 U.S. Surve Foot = 1200/3937 Mete a ~r V rtlCal aa?ta \ e~ ~;a \ \ : ~ `n\\ ~ \ ~ • aa`iMu ' ~0 M 0.2°1° annual chance floodplain boundary
referenced to the North American a Na , are \ \ \ e ~ ~ Flood elevations on this map to structure vations must be compare ~ . ~ ,Z , 1 `I • a - - - • Floodway boundary
NAVD 881, These flood ele o~ F \ Datum of 1988 ( "r? " a ~ \ ` ` \ • referenced to the same vertical datum. An average ,a,, `~a~\••. vations , ~ ~r y 3\ e\~~ , \ a ,K ~ ~ c2 ~ ~0 - - Zone D Boundary
and round ele ~ \ \ a ~ g etic Vertical Datum of 1929 n the National Geod .f ~ \ ad as ;v \ offset between NAVD ~ ' \ ~ \ a ~ ~ :a ~ w......o.....o..... CBRS and OPA boundary
Carolina count ,This offset was e uted for each North Y r~" x~ s`\ \ N, \~\I;~ GVD a 1'•'~a\ \a; C~~ ~\\\d u\ . \ \i a0tw \ $ 29 .has been comp ; ' f ~ ~N ~ t were not revised during the x ; th ;~~\a~•~ ~ _ i`~fl Boundary dividing Special Flood Hazard Areas of different
lied to the y \ ~ ~ ~ \ ~ \ NGVD 29 flood elevations tha ' y ~ r then app :u 9 N.. \ ~ ~\\~~`Wy~ \x\~,.'\ 2.pa `L ~ :v `n`' offsets fo tY w od a ~ t ~ ~ \a<\\ n ~3 ~ , reach coun shown on ~ y ; IRM. The c~~© v ~ 9 ~ \ x?a, \ ~ format F • \ Y ~ \ ~ ` F\v a , ; ; ` ' ~~;;~"~~s w~ B~Se Flood Elevations, flood depths or flood velocities.
thI$ $tat a :ffiz r nation of •na ;,f,s r ~ ~ ` ; ~ c ' e i• ` • below. Where a " ~ • ' m offset table ~ x y ~ In the vertical datU e ~ ` ~ ` ` \ ' ` n p ~ ~ \ n I re shown ` a, - . • , ~ ,1; \ this FIRM a e a ~i` ~ 5 Yi ` ~ ^^^^'513^^^^' Base Flood Elevation line and value; elevation in feet*
2 tR 0> a:\ \ ~ a, \\~~ec\ : \ \ s, , ~~e `k \ i 9 flood elevations ~ az undo and a flooding source with unrevlsed NGVD . o ~ o ,r ~ ~ ~ , _ r \ ~ t o county bo ry ' l1' 'y1 V' ~ # ~ttx .~y' f ° a•` ~ 5 (EL 987) Base Flood Elevation .value where uniform within zone; _ ~ \y ~ G
' • ' een calculated and applied during the ' am°' ~ ~ ~ n offset has b are coincident, in r . • CCOm an 9~~ ;n \`Y'?x p \ ~ ~ v~,\\\\\\` \r~ \ uy , `3 ection 6.1 of the a p Y 9 r _ r elevation in feet* 4
format FIRM. See S ,a,' ~ a\ ~ creation of this statewide \ ~ \ ~s erSlon .,n , \ xa " s \w.a\\ ay,\«, \ \J~.. \C f Y.?: •4 ' r information on the conv re ort to obtain furthe ~ p • - ce Stud rt TffLe~ • ~ ~ \\,a ~ i ,.w ~ t \$\Y R,, X33 = ~ ~ ~ Pa ~ ~ ~ *Referenced to the North American Vertical Datum of 1988 R e ZQ x x.'
od Insuran Y P ro ;=,IRO •§CT," ~'~a ~a~a \ e\ ~ r \ a\ \ r. Flo 'on ~f' ^ ~ ~~M ~ t ~ ~ i• \ y , , ~ btain current elevate oo GVD 29. To levations between NAVD 88 an o ~ ~ , r ~ ~ _ ore Cross section line
for bench marks shown on t s P, ~ ar . \ ri tion and/or location information ~ fly f' ~ . a~ ~ ~
detic Sur.'e at the address shown below. w ~:'~y ` lease contact the North Carolina Geo Y Z a r ; a ~ ~ ~ \ ~ P Geodetic c f.: \ . ~ . ~ ~ • z l~. ° ~ b cp 23 23 Transed line i.. • r ~ f" ~ ~ 1 ~ ~ rf a, 'eo a hrc coordinates referenced to the North American
u ma also contact the Information Services Branch of the National oQ. Yo D. i rr ..a t t ~ ~ a ~ Dut>C~am~~ ~ aunr . 1 713.3242, or visit its website at www.ngs. a • Sure at 30 to ~u:; ;a ~ ~ \ r, ~ \ ' "a ! ~ ~ ~ 97°OP` 30", 32°22' 30^ C !n P , f~fQ; ~ b' ~ ~ ~ ~ . - ~ q J Datum of 1983 (NAD 83)
v ( ) y;q ~~r ~ = nco ©rated~at,Ar~a~s E 086 °x ~ \ Z . L© kt)~ s : ~x. 7 ~ e\ a ' ~ Ill x~~',~",;, 317 Yd T$ §5.A ~ ' 3?~3 ~ tr.~ ~ • ~ Z 42760 M 1000-meter Universal Transverse Mercator grid ticks, zone 17
n Avera a Vertical Datum Offset Table p i ,r ~ . - F~; ~ • ~ , ~ ~~y,, . ~ . ~ - . a. r, ~ z , North Carolina Geodetic Survey Cou ty 9 Vertical Datum Offset Ift) '?i ' \\irx ' ~ f~ r ~ oQ. 2500-foot rid values, North Carolina State Plane coordinate 1477 50D FEET gg
121 West Jones Street tY 4, ~ T~~; ~ system (FIPSZONE 3200, State Plane NAD 83 feet) ° ~ ~ s~~" Z BM5510 North Carolina Geodetic Survey bench mark (see explanation
Raleigh, NC 27601 Durham - 0•~ ` (8191733-383 ~ ~ . ax a, `~`~a, e ~ ~ F~ ~ r~'~ ~ X ii the Datum Information section of this FIRM panel).
www.nc sstate.nc•us q a R ~ ~ BM5510 National Geodetic Survey bench mark (see explanation in
NGVD 29 + -0.83) a \ i"~\`~\ \ ~ \ . \ 0.^ , Example: NAVD 88 f I , ~ ~u ~ M ~,M t' ® the Datum Information section of this FIRM panel). K
' p~EB 3A~Cr •c ,\\`•a~\\s.~.~ ~Q \tRA'\ ,i\~0~•xa` ri<~r ~ , ? ~ ~ ®M1.5 River Mile i~ k"~`c~; 925
below were studied by aT`\ ,,o \`'•1 -a\ \ ~x r in the Flood Hazard Data Table S Opp M \o h a i ted All streams 4000 7 '
her flood hazard data shown on this ' ~ , ~~a\ usin field survey. Ot`~\\ hods ~ \ ~ ~ ~ ~ , ~ detailed met 9 Isis or limited detailed ~ ~s`~z ' ~ 4000 a r 000 M
era coastal ana y ~ a • \ ~ \`'y ~ ma have been. derived using eith v \ , .t.~ ~ p . ~ 36°0T 30"
sis. More information an the flooding sources studied by these y, \\a ~ ~ " riverine analy d Insurance Study report, 3fi 07' 30 ~ ~ \ , analyses is contained in .the Fleo W .~q ~Y L' ,
Floodway Wrdth (feet) ~ s'. \a\~ fl \ • • ' ~ e 6.'
6 ey;k~\ 1y ~ Ai~C' V z: v , RD DATATABLE f~ ~ a"i\\n a; FLOOD HAZA LefVRightDistanceFrom o •
the Center of Sveam to ~ ' a ~,NC\253 nual Chance a y \ ~ r„ k
Encroachment Boundary p m • 100 ear) a1 : 7 ~\\`~a 4 a\~ ~ ~\Zx~'.\t\ \ Stream Fiood Discharge ! -Y r• ~ ~ Cross r Downstream)or ~\,~a, ~ (Look n9 ® ~ ~ , x \ •y. Q t ~ ~ \w
a~ ~ Section Station' Icfsl Watet•surface Elevation podwa Width Total Fl V ; \~~w\\ ~`?:x~ ~ ~ (teat NAVD 88) ~q~,ay~ • ~ ~ f3, 21 s ' \ b
to o 2 ~
LITTLER , . „ ~,~p ' 277.1 1,354 t ara ~ a~;ra~ H~aa ~ \ ~ \,~•3 of ~ ~ e
240 , 93 Ra b aY F ? a O \ ~ x\~\\ a \ "a as \c~ a S .t „ 281.3 ~ ~ ra, ' eta.. ' g~ ~ ~ `er a
261 26,125 ya • 'y~ >r~ "a\ aYa \ b, : \NC . ~\a~CjC\\ , , \ ~ ~ ~ R , a ~ ' °nrf' re ~ ~ j Nf
t fiver , ~ r. \ a. ~r" \°a`a \ a,\ Feet above confluence with Eno R } ~ a . : ~ ~ ~,{L4 a „ e, 3 c<.pv \ SF ~ A Z~\a,'~&\ \C~a~\~•~.,- \~\\`\`;y y``,a,,s V>
~ a`~ _ \ as \ \ \ ii li t ea a.~. d\~~\~~ `~h,~~ \\a\ I,p'y ~ar a,l ~\1tl,: "~x.~`~ f() a ,0
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' ~ \ \ \ '\'c Via. t~i"e ft4 t1?~~ na'a•' "'>'wr a~ ~ Ct~ ~ ,o \ \ `t a~: ~'~e \ a \ ~>t~. x~,
oaf \ \a 3d., c a' ~'v .,'Z\~~ F~ , s x ~t3xa ax~`' \ S ` a \ U a \ \ ~ ~v ti`~~ ~ > t as\~F{i, ( C A\ ~ ~
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r ; , \ ~ nix.. z~ ~ ~ ' ICJ
z`, ' ~ F '0,400 r~\\.'w u\`ta \ ~ t` .a\\\\ \ \ e3\\\`~~\ .a`~d \ \ a ' g,Y ,~;M1'` ~ :c~,,:. ifs. .~3.1s @;-. ~`~K~~~ara\ 3 : ob \ Wv~\~\ x.. _*\l`2 - ~ r, ~r\qn`\\. ~ k. \a. ?~3~ Z ,
862 500 FEET , ;'a' ~ \ \ ' ' \ : \ .~c\`a ~ ~ \ a w.~ \ < v s ~ GRID NORTH
20 MAP SCALE 1 ° = 500' (t :6;000)
,,n ° .a n~ 250 0 500 f000
t _ " FEET
a` N:r \ r\.•., \a\yD\C:\: \`&\iRt a\i ~ \Aaa xa, , ' © ~y a\~\~a'\\\\ y~ \ ~ \ \ ~~x~~l\X•e\C-'.\ y fit.: , g` ~ s~ ' ~G~a x 6 METERS a~, ` ~ ~=~t" 6' 150 0 t50 300
0; :'ASS \ \ `\a~\~'\\ .~g \f'~ a.,,
t ~ C d \ fC'' a • \\,~i;\~\\\\'.`\~`t~~ ~e ? Wa \ n\~. OO• \~`:W ~3' a 0 b S ,,a \ ra\\\ n~3\\ ~\Oa \\\\~\y\h\:~ 3c `3\ev ~ ~~;t~
, a ~ a~. i a 407
.~W:. ' y; PANEL 0846)
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~ o' ,j, ~ 36°0T 00"
a C:. t~ 0 . xy ~ y y a i \ CZ ~ s„
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A.a,\\~ Z V \\\\a y \ 3999 ~ M
` ~ . ` • , a a ~ F104D INSURANCE RATE MAP r,
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~ e. • NORTI~ CAROLINA
a,
a ~~,a ~ 9 aN F6a ~J'~~~
I ~ S3':, 03 fig, ~ ttvj,..' ~ . \a ~ q~~asH~ `~~\\"\,~\`,\1>\$~\ \ ~z"i ~ ~~i~i^• I (SEE LOCATOR DIAGRAM OR MAP INDEX FOR FIRM
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z L, ~ a\\r~ SITE ~ 0 ft,,p,r,,. `2 nr „ \~a~~~,.\\ "~,~,\C, C\~ \mn~~a s ~ `Ft~ Rtura' rabat e • I CONTAINS:
• 2 COMMUNITr ~CIAr,Itl~~PA1V€f:;°~UEFI~ ~~yy
~ ' ® DURHAM, CI " x•370 ~ 084~I' ~ 860 000 FEET ri ~,~700 ~846~aj ~`J"
9so oao FEET ~ Y ~ . 695 00o M 2 050 000 FEET 0 DURHAM CO N.., ~
~ pop M 694 aop M 2 040 000 FEET I, 0„ 693 78°51` 00° JOINS PANEL 0845 78°50' 30" TS 5 3 2 042 500 FEET ' 50' 30" T8° 50' 00" ~
G°~ [ ' ~ r~ `~.a~ ~
. - I ~ ! i ~ ~ r
USERS NOTES T i Ll j) g~141e Nf
~ SNL~INESfaffVC~ 6~~PAR~ eam channel configurations than MAP REPOSITORY i S A E DIV{6i
This map is for use in administering the National Flood Insurance Program. It does not Certain areas not in Special Flood Hazard Areas may be protected by flood control This map reflects more detailed and up-to-date stream channel c ;tion. The fioodplain5 and floodways Refer to listing of Map Repositories on Map Index or visit wvvw.ncfloodmaps.com, DURN)IM C 03 E I PT
necessarily identify all areas subject to flooding, particularly from local drainage sources structures. Refer to Section 4.4 "Flood Protection Measures" of the Flood Insurance those shown on the previous FIRM for this jurisdiction. The ffoodF Aer ma repository shoidd be consulted for possible Study report for information "on flood control structures in this jurisdiction. . that were transferred from the previous FIRM may have been adj r have been adjusted to conform to SEDIME ult, the Flood Profiles and Floodway
a„ffAlFo of small size, The community p updated or additional flood hazard information. these new stream channel configurations. As a result, the Flood Pr vhich contains authoritative hydraulic EFFECTIVE DATE OF FLOOD INSURANCE RATE MAP PANEL fi ® 5
a M m information and eos atial data used to deve:o this FIRM were obtained from Data tables in the Flood Insurance Study report (which contains a t in areas where Base Flood Elevations (BFEs) Base map 9 P p reflect stream channel distances that differ from what is stream r x To obtain more detailed information various organizations, including the participating local community(fes), state and federal data) may r from what is shown on this map. MAY 2.2006 lf, b ~
r o and/or floodways have been determined, users are encouraged to consult the Flood agencies, and/orother sources. The primary base for this FIRM' is aerial imagery acquired by - T N ~r , u,tn FEMA'$GUGPEiL1'I1NG APR ~ - Notice to User: The Nap Number shown below should be used 11
w awe ^ ` ~t9ND Stiff Profiles, Floodway Data, Limited Detailed Flood Hazard Data, and/or Summary of Stillwater Durham County. The time period of collection for the imagery is 1999. Information and Please refer to the separately printed Map Index for an overview s Elevations tables contained within the Flood Insurance Study (FIS) report that accompanies for an OVerVIeW map of the county EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL f when placing map orders; the Community Number shown repository addresses, and a Listing of ) above should be used on insurance applications for the subject
geospatial data supplied by the local community(ies) that met FEMA base map specifications showing the layout of map panels, community map repository addres this FIRM. Users should be aware that BFEs shown on the FIRM represent rounded were considered the preferred source for development of the base map. See geospatial Communities table containing National Flood Insurance Program date: :e Program dates for each community yf r SANO e008 community. AND W~r~r~
whole-foot elevations. These BFEs are intended for flood insurance rating purposes metadata for the associated digital FIRM for additional information about base map as well as a listing of the panels on which each community is I community is located. t0RM rah) EFFECTIVE DATE MAP NUMBER
This digital Flood Insurance Rate Map (FIRM) was produced through a unique only and should not be used as the sole source of flood elevation information. Accordingly, reparation, cooperative partnership between the State of North Carolina and the Federal flood elevation data presented in the FIS report should be utilized in conjunction with P If you have questions about this map, or questions concernin stions concerning the National Flood MAY 2, 2006 3720084600J
Emergency Management Agency (FEMA). The State of North Carolina has the FIRM for of construction and/or flood lain management. Y purposes p Base map features shown on this map, such as corporate limits, are based on the Insurance Program in general, please call 1-877-FEMA MAP (1-877- EMA MAP (1-877-336-2627) or visit the a sra~o ti4naTM
implemented a long term approach of floodplain management to decrease For community map revision history prior to statewide mapping; refer to the Community Map
the costs associated with flooding. This is demonstrated by the State's com- Boundaries of regulatory floodways shown on the FIRM. for flooding sources studied most up-to-date data available at the time of publication. Changes in the corporate FEMA website at www.fema.gov. initment to map floodplain areas at the local level. As a part of this effort, the by detailed methods were computed at cross sections and interpolated between cross limits may have occurred since this map was published. Map users should History table located in the Flood Insurance Study report for this jurisdiction. t ter of Map Revision (LOMB) or Letter
Flood Insurance Stud report, Letter of Map Revi :his panel, and digital versions of this To determine if flood insurance is available in this community, contact your insurance agent, the
with State of FEMA North to Carolina produce has and joined in maintain a this digital Cooperating FIRM. Technical State agreement sections. The floodways were based on hydraulic considerations with regard to requirements consult the appropriate community official or website to verify current conditions of An accompanying Y of the National Flood Insurance Program. FloodwaY widths and other pertinent floodway jurisdictional boundaries and base map features. This map may contain roads that were of Map Amendment (LOMA) revising portions of this panel, an c data for flooding sources studied by detailed methods as well as non-encroachment widths not considered in the hydraulic analysis of streams where no new hydraulic model was FIRM may be available. Visit the North Carolina Floodplain Mapp food lain Main Program website North Carolina Division of Emergency Management or the National Flood Insurance Program at the p PF g following phone numbers or websites. Mate of North Carolina
for flooding sources studied by limited detailed methods are provided in the FIS report created during the production of this statewide format FIRM. at www.ncfloodmaps.com, or contact the FEMA Map Service Cent i Service Center at 1-800-358-9616 ~xn se°
www.ncfloodmaps.com for this 1jurisdiction. The FIS report also provides instructions- for determining a floodway for information on all related products associated with this FIRM. Th th this FIRM. The FEMA Map Service NC Division of Emergency Management National Flooa Insurance Program M and its website at www.msc.fema.goy. [phone] wwwlnccrimecontrol.org/nfip 1-800-638-6620 www.fema.gov/nfip Federal Emergency Management A.cenrv
using non-encroachment widths for flooding sources studied by limited detailed methods. Center may also be reached by Fax at 1-800-358-9620 and its website

LEGEND
78° 50' 30" 78°50 00" ~ ,r;L.~ ~ 2 047 500 FEET 695 00° M 2 050 000 FEET ~ n~ ~ ; SPECIAL FLOOD HAZARD AREAS (SFHAs) SUBJECT TO
ZONE X 7e° 5 I' oo ° JOINS PANEL 0846 694 °0° M 2 D~ gg ° ~a 860 000 FEET INUNDATION BY THE 1 ANNUAL CHANCE FLOOD ~ 8' a~`ka atiaa:
EL LOCATOR DIAGRAM ZONE AE ZONE X 7e° 5 r 30" 693 e~ M ROUNA ,FIRM PAN , OF NORTH C 2 040 000 FEET F3 a.° Y„„\.~~\~, ~y~s , ~ r y O\\f2 ~ . , \ G .v,, \ .245 c1~c ^.~a\ \a`\ ,4\ ,p~33 a The 1 % annual chance flood (100-year flood), also known as the base flood, is the Flood •~8
0 FEET s a: ; ,a: _ ``,8 \ a , 'J 86 C.~,~~f'' e3. ~t~,. a' \c o. :y ~ \ ..;f 0°a Q that has a 1 % chance of-being equaled or exceeded in any given year, The Special \ Flood Hazard Area is the area subject rA flooding by the 1% annual chance flood, Areas
PERSON Ss = x v~ ? , ~ , a ,s'. ~ t 2~ of Special Flood Nazard include Zones A, AE, AH, A0, AR, A99, V, and VE. The Base Flood Elevation is the water-surface elevation of the 1% annual chance flood.
r'. ~ ~ ' ~~'t, F,,U 1'04.9 ~ , . : ~ \ y ZONE A No Base Flood Elevations determined.
, _ ZONE AE Base Flood Elevations determined.
~ ~ ~ ~ 6' ~ ZONE AH Flood depths of 1 to 3 feet (usually areas of pondinp~; Base Flood
: c Elevations determined, ti
I RANVILLE ~C; x', N~ C``.,~ ~ \ n`\,`: ~ ~E., .C\. , `~y` ~ ZONE AO Ffood depths of 1 to 3 feet (usually sheet flow on sloping terrain); ~ average depths determined. For areas of alluvial fan flooding, velocities
1 , also determined.
ZONE AR Special Flood Hazard Area formerly protected from the 1% annual
'\t7 I b •W.'. r\a LAN , x \ -x; chance flood by a flood control system that was subsequently ' decertified. Zone AR indicates that the former flood control system is Y'S". ~ ~ T
~ ~ ` \ ° t being restored to provide protection from the 1 % annual chance or
1 =';a. :v ? ~.r~ ',Z.'.,.~~.. :O ~ ~ ~ rub Y,, v\~ \~~,~~r ~ v ~ ~ \ ' a a\ ~X. \.~=r ~`'t '~~a k~'~ a96 greater flood. y ~ \ w t 4 ~ g~'. k Way ' ~1{"~a ~ ~ s~
Durham Y ~ , , e ~ * ~ ~f~r~t~ ~ ~ ~ idT~`Z E AE, ZONE A99 Area to be protected from 1 % annual chance flood by a Federal ~ ~ flood protection system under construction; no Base Flood Elevations
~ ,n ed Areas ~k. , ~ ~ determined.
>a.' jJ Corp , . ~ , , ~ n . 'whew ZONE VE Coastal flood zone wish velocity hazard (wave action); Base Flood Elevations a ~ ~ t determined.
\ a:: .+h 370085 ~a,`~: SITE \ ~\`\y a ~ ~ 36°O6' 30"
~ ~ Q; ~~y~~~~~'~'`. FLOODWAY AREAS IN ZONE AE a ~ ~ ~ ~a aa~ G.
~ 36 06 fl.. 'M .U 10581 i' \ ;,t e, ' 1 3 The floodway is the channel of a stream plus any adjacent floodplain areas that must be s ~ kept free of encroachment so that the 1% annual chance flood can be carried without.
y ~ ~ s substantial increases in flood heights,
LIMT ~ T' _ ~H, . ~ 3998o~M ~ OTHER FLOOD AREAS
. 3998 ~ ~ ~ ~ ~ k ~ s . S
'~a \i, \+~1' .~'S asc ss~ c..i v > \N r\~R. ~ : v>.. ,~a\ ~ ~ Zd r~, ZONE X Areas of 0.2% annual chance flood; areas of 1% annual chance flood ~ ' e
' ` t: " > e ~ ~„s with average depths of less than 1 foot or with drainage areas less than ~ r~ 1 square mile; and areas protected by levees from 1 % annual chance
i. WAKE ~ ~aC~ :ia. ~\i . Q` a`~~. ~ W~\ a \ flood.
~ 't ~ f 857 500 FEET ~ ~ ~ a OTHER AREAS
t b Y ~ • ~ ~ Y s~ ~ r
~,x~ \ ~ ~~-'y ZONE X Areas determined to be outside the 0,2% annual chance foodplain. err 'h.P ~ ~
~ a DATUM INFORMATION a \ ZONED Areas in which flood hazards are undetermined, but possible.
was the North Car a~ \ w,~ in the reparation of this map ~ a n u rican :s ca v ` a~~ ,u \~+a . sail P ~ ~ ~,cs~y ~ ~ COASTAL BARRIER RESOURCES SYSTEM (CBRS) AREAS
The rojectio mesas the North Ame ZO At: ~ a p .The horizontal datu \ ~ ~ ' 200 ` a~ ~ ~ \ Ma . State Plane (FIPSZONE 3 1 ro action, or ` 6 St
rences in datum, ellipsoid, p J ri. D ;rslaai~n pU1~+~ ` ofd: Diffe , ~ a ~ ~ ; a x?~\. GRS80 ellips 'acent • f 1983, farad a~ Datum din the production of FIRM 1 , ~ ' , or zones use v• ~ n~" ~ OTHERWISE PROTECTED AREAS (OPAs)
rse Mercat cross ~ ansve res a ; is ti= , = r r \ a\ Universal Tr slUonal differences in map feat l CO b tin sli ht p ~ ~ , ~ ~ ` ~ ~ a\~i\, \ ~Q> M Mat, CBRS areas and OPAs are normally located within or adjacent to Special Flood Hazard Areas.
nsdictions may resul 9 he accuracy of this k , ~ t~:~k u t t ti'' ' Y~. d \Q. 7 \ 1 ' nal boundaries, These differences do not a , i I ~ ~ ~ ~ ; ictlo re z ~ 3~ t ~ a ` e\~'\ as ~ a: 'urisd Feet whe ,y P ` r„ r ~s 1% annual chance floodplain boundary
I ma are in U.S, Survey z FIRM. All coordinates on th P ° ~ 1t"' ' t~ 0.2% annual chance floodplain boundary ~ ~
U.S. Surve Foot = 1200/3937 Meters. ~ ~ t y~ 210 \ ~ 'y. ~ 4 .~~i\\ t. \k r° ; ~ { ~ ~ V~ - - - - ~ Floodway boundary ~:E~,~ s ~
merican Vertical a; ;x ;j> \ a'~~~' aQm ea\ i= a U~~\ 1< this ma are referenced to the North A ~t'~. ;F>= a \e~Q~ ,gym Flood elevations o evations must be compared tD structure o 1, ~ - - Zone DBoundary - ~ { a ~ fit' ~
e flood el X' ~ ~ ~ Datum of 1988 (NAV ) e same vertical datum. An average ~ ~ ~ . ~ CBRS and OPA boundary
referenced to C1 ~ 0 ~ \ 'ons ~ , and ground el etic Vertical Datum of 19 he Nationa ~ \ ~ ~ \ and t \ ~ a~r~ a~ o BS \ ~ r. \ \ \ o ~ s ~ ~ ~~a ~~;~Z~ ~ `z^{~~ Boundary dividing Special flood Hazard ,Areas of different
offset between NAVD oun .This offset was Carolina c tY 1. v ~ - ~ ~ ~ aY ~ uted for each North a _ ~ ~ ; A (NGVD 29) has been comp 1, ere not revised during the K ~ ~ \`s \ ~ - z ~„uy;~~,,;;;,., ,~~~s,•, m~~~.a Base Flood Elevations, flood depths or Flood velocities,
tl fat w ~ \ ~I; \ c.\~, ~a\a \ \'C'.. to the NGVD 29 flood elevations n s , ,~K~ ~ ~ hen a lied n shown o ~'D ~ t pp for each cou tY 7U(~&' ~A~\ \ a~~ e offsets ~ , ~ ` • . d ^^-~513^^^^~ Base Flood Elevation line and value; elevation in feet"
wide format FIRM. Th ~a ~ \ f this state r a creation um offset table below: Whe al dot ~ ~ re shown in the vertic ~ ~ ` ^ ? r~ r, ~ ~ Base Flood Elevation value where uniform within zone; Z (EL 987) elevation in feet'
this FIRM pane a 9 flood elevations ~ , e with unrevlsed N u ~ \r ~C\a . , ~ nil a flooding sourc ~ \ \ , \ ~ county houndan~ a alcufated and applied during the a~~ , F: ~ ~ *Referenced to the North American Vertical Datum of 1988
c 2'76. ~ s ~ ~ individual offset has b are coincident, an accom anying \ \
rmat FIRM. See Section 6.1 oft 2 0 ~ r, creation of this statewide fo a conversion a \ ~ ~ er information on th ~ ~ ortto obtain furth \ ~ ms Cross section line P \ '
ce Stud rep ~C ~ . ~~*~\a\ \ \ Flood Insuran Y ' current elevation, ~ , ~ ~ z , NGVD 29. To obtarn „ . , ~ ' ~ ~ f elevations between NAVD 88 an is ma , ~ ` ~ \ a~,:H tea. R IL ~ 23 23 Transectline
° bench marks shown on th P as ~ t ~Q~~\,\~~ ; Ion for = description, and/or location infcrmat shown below. a ~ ' address ~ b a~` ~x`~+ \ , a\ a:
orth Carolina Geodetic Survey at the ~ \ \r~ ~ lease contact the N Geodetic 3 National a s p ation Services Branch of the s ~ 97°0T 30", 32°22' 30° Geographic coordinates referenced to the North American 36° O6' 00 ° Datum of 1983 (NAD 83)
also contact the Inform DUrh~m ~Oll=TTtx a~` You maV ov: . ~ Y~ \ 'u" or visit its website at www ngs.noaa. ~ t~,\ ~ ~ ; rve at 301 713.3242 , , ~ ~ 4276e~ 1000-meterggUniversal Transverse Mercator grid ticks, zone. l7
Y ' Unincorpo; ~ to < ~ gas ~ \ 1477 500 FEET sy5stemo (FIPSZONEe3200, State rPlane NADPl83efeet)rdinate
Avera a Vertical Datum Offset Table 36 06' 00 etic Surve County 9 . ~ \ ' oil Y " ~ North Carolina Ge Vertical Datum Offset Iftl County m \~'\.~J.N7008J ~ BM5510 North Carolina Geodetic Survey: bench mark (see explanation
et , : f ~ ~ ~ b, ~e\ k; a 121 West Jones Stre - 0.83 ~ ~ ~ " ~ \ \ X in the Datum Information section of this FIRM panel). ..:;aa
Raleigh, NC 2760 ' 733-3836 x ~ : ~ ~ \ (919) =r, a. ~ \ , , t " ` ~ BM5510 National Geodetic Survey hench mark (see .explanation in ® the Datum Information section of this FIRM panel).
wwvVncgsstate,nc.us ~ ~ • M1.5 River Mile
Example: NAVD B8 = NGVD 29 + (-0.831 x x ± ~F-• ' _ i~ ~~E~,NEtJ7aA} S+ 0 ~ : ' a.. ~ ~ 000 M 4 , ,
3997 5 ~ ~ \ \ 3997 oao M <=y'
tudied b ~ ~ : f below were s Y ` le ~ ~ ' treams listed In the Flood Hazard Data Tab n this '"k Al l s h wn o s, ~ ; ; ~ as, ~ {t,
usin field survey. Other flood hazard data s o ry ~ ;t, ' ed methods 9 d detail ited detaile <~w M~ S
been derived using either a coastal analysis or hm 6~,E R: , map may have s studied by these source ~ non the flooding informatio t. ' ' k~b,
'verine anal sis. More \ n Y ort. s ~ `aa q, .anal ses is contained In the Flood Insurance Study rep ~ ~ ~ \ , , a y. \ , zvl, I, Y ,g i \ ,r
~ \x a 9 Floodway Width (faetl th ~ ` ~ ~ ` r` e~
ATABLE o ~ ~ ~ ZAR D DAT iatance From ~ nr • . FLOOD HA LefVRlghtD J ~
the Center of Stream to W g ~ , \ 1%AnnualChanco Z , i ° ~ v ntaounda ~ ` ~'"y ` \ 5 ~3,~
Encroechme N Q Cross Flood Discharge (1110-yearl (Looking Downstreeml or D. Station riace Elevation a;~ 1.. ~ , ~ i\
Stream Icts) WaterSu Tote) Floodway Width rA fe Z a ~ \ \ \~3 Section et NAVD 88) :/"""~`,i ~ \ t ~ kX5~5 ~ At y:
~ ~a ~ 4' ;F s s •
LITTLE RIVER r , .s ~ \ ' \ ~ z\ 1 277.1. 1,354 a ~ ~ ;t ,
000 NA \ \ . 240 24, ~ \.a ~ e b~~Nt,v~ ~Fh ~
CABIN BRANCH ~ ~ ~ ` \ s. f . tip @~~\ ` \ \ ~ \ ~ , 'a, 4!4 \ d' 272.4 32fi ~ e ~ ~
012 1,146 NA ~ ~ ' A s ~
= with Eno River P y Feet above confluence y ZONEI ` c t' \ 3 ckwater effect from Lirile River x ~ 9 .4N. . a% a~ ` ~
s with Lirile River Elevation includes ba Feet above confluence M x^ cs , , \ ~ 's \ s
y ~ lii,. \ _ , " S~ ,7 ~ ~ S aka

s. ~ \ \ \1
~ ~ N ~ , 3
5~ e p
3 ' , \ ~ ,t..x . ~;t. S ~ ~ C
2 " S v ~~~~~~rai GRID NORTH
852 500 FEE ~~1,. ' \ \ \ \ - > \ ~a , p \ 36°05' 30" ~~~S~a ~ MAP SCALE 1" = 500' (1 :,6,000) ~1
250 0 500 1000 FEET.
. , t: ; METERS
s ~ ~ 150 0 150 30D
a:
a
.Y`
\ \ m PANEL 0845)
.S .~y~\ ` U Ci s~_.
' 3996 ooa M ~!.e~ y~.' `ir~ ~z, ~ ~ \ : ~j' ~ ~ 3996 aoo M
e ~~@\~3~7f , .j a t ~ 1. a. x \ ~ Q\ O\ J : ~ i a :\Zk ~ • ` Q FL ~ tODItJ EF.FEt,1T>~ F 0'M g ® ~ I ~u
~ ~3 ~ F , ~ ~ ;fi VE x ~ j ~ ~ FLOOD ~NSURaNCE RATE MpP
!(E ' ~.r \ ~ 10 'S ® NORTH CAROLINA
a.s`ex.~. ` a kJ "10

Z~ k:... ~ 1c~,~'~ti~ `r • ~a ` \ a\ : .042 ••~w . ° ~ Q\ \ ~ \ ~ p W ~ PgNE10845 aL®,O:D N EFFE~(~ S FRO ob m
Y `a~\ ~ 1~ ~C: r. a~~\\~\ . \ ~ \ fly?=, `
(SEE LOCATOR DIAGRAM OR MAP INDEX FOR FIRM '~a, 2, AE PANEL LAYOUT)
,t \ x CONTAINS:
° E p~ ~ COMMUNITY CID No. PANE
850 000 FEET ® DURHAM,CItY OF ~ n08Q4 n
a. a ~ DURHAM COU 370 11084 \,ull 695 00D 2 050 000 FEET ~
694 00o M 850 000 FEET 693 aaa M JOINS PANEL 0844 78° 50' 30" 78° 51' 00" >T,1 s
2 040 000 FEET 78°5t'30" 2 042 500 FEET
NOTES TO USERS
c MAP REPOSITORY p~AwAM OC 0ep MeW channel confi urations than g1®N ream g.
ain areas not in Special Flood Hazard Areas may be protected by flood control This map reflects more detailed and uP-to-date stream channel flood This map is for use in administering the National Flood Insurance Program. It does not Certain fiction. The floodplains and floodways Refer to listing of Map Repositories on Map Index orvlsdwww.ncfloodmaps.com. DURflAPfl APT aOtVI
mayurisdiction. have The been ad necessarily identify all areas subject to flooding, particularly from local drainage sources structures. Refer to Section 4,4 "Flood Protection Measures" of the Flood Insurance those were shown transferred on the nsferred from previous the pre ly have been adjusted to conform to SEDiM I}.
of small size. The community map repository should be consulted for p FIRM for vious this jurisdiction. ~AlE possible Study report for information on flood control structures in this jurisdiction. that w a result the Flood F ARrn~ ~ca a w ° r data used to develop this FIRM were obtained from Data tables in the Flood Insurance Study report (which contains sult, the Flood Profiles and Floodway LOOD INSURANCE RATE MAP PANEL ® 12~, which contains authoritative hydraulic EFFECTIVE DATE OF F
updated or additional flood hazard information. these new stream channel configurations. As and federal data) may reflect stream channel distances that differ from what i,, J Base map information and geospatial To obtain more detailed information in areas where Base Flood Elevations (BFEs) various organizations, including the participating local communitybes), state er from what is shown on this map. MAY 2, 2096 Notice to User: The Map Number shown below should be used
ILI
FEftA'S GU rUPEHi'I 'ING rEGNNII AL AHINEH x users are encouraged to consult the Flood agenciesand/or other sources. The primary base for this FIRM is aerial imagery acquired by and/or floodways have been . i.! o~ N and/or Summary of Stillwater Durham County. The time period of collection for the imagery is 1999. Information and Please refer to the separately printed Map Index for an overuse x for an overview map of the county EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL t when placing map orders; the Community Number shown 'above should be used on insurance applications forthe subject repository addresses, and a Listing of community.
ten„ ~NDSti Profiles, Floodway Data, Limited determined, Detailed Flood Hazard Data, FI mmunity(ies) that met FEMA base map specifications showing the layout of map panels, community map repository a re Elevations tables contained within the Flood Insurance Study ( 5) accompanies geospatiai data supplied by the local co report that 'ties table containing ice Program dates for each community
this FIRM. Users should be aware that BFEs shown on the. FIRM represent, rounded were considered the preferred source for development of the base map. See geospatial Commun g National Flood Insurance Program date each community is h community is located. EFFECTIVE DATE MAP NUMBER
tended for flood insurance rating purposes metadata for the associated digital FIRM for additional information about base map as well as a listing of the panels on which should not elevationsbe. used These as the BFEs sole are intended of flood elevation information. Accordingly, preparation. w ~ ~ MAY z , zoos 3~zooa45oo~ estions concerning the National Flood
This rativ 9ive Flood In partnership Insurance Rate between the Map State (FIRM) of was North Caproducedrolina and through the a Federal unique only whole-foot cooper FEMA MAP (1-877-336-2627) or visit the k 5':' ® y,4nnrnrs
Emergency Management Agency (FEMA), The State North Carolina has should be utilized in conjunction with If you have questions about this map, or questions concerns merit. Base map features shown on this map, such as corporate limits are based on the Insurance Program in general, please call 1-877-FEMA MAP (1-877 For community map revision history prior to statewide mapping refer to the Community Map $ a 1~ r~ m
management elevation data presented in the floodplam manage he costs associated long with term flooding. approach This of is floodplam demonstrated ted by bythe to State's the flood FIRM for purposes of construction FIS and/or report most up-to-date data available at the time of publication. Changes in the corporate FEMA website at www.fema.gov. te's coin- Boundaries of regulatory floodways shown on the FIRM for flooding sources studied have occurred since this map was published. Map users should History table located to the Flood Insurance Study report for this jurisdiction. 00
the e F costs as. conditions of An accompanying Flood Insurance Study report, Letter of Map Re erd to between cross limits ma y ha requirements consult the appropriate community official or website to verify current State of to map flolina has areas at the local level. As a part l S this effort, the by detailed methods were computed at cross sections and nsiderations with re9interpolated etter of Map Revision (LOMB) or Letter F~~; ~Nn st° this panel, and digital versions of this To determine if flood insurance is available in this community, contact your insurance agent, the
Stare EMA North :loodplain Mapping Program website North Carolina Division of Emergency Management or the National Flood Insurance Program at the following phone numbers or websites: State of North Carolina
to Caro lina produce has and joined in maintain a this digital Cooperating FIRM. Technical State agreement sections. The Insurance floodways were based Program. on hydraulic coFloodwa widths and other pertinent floodway jurisdictional boundaries and base map features. This map may contain roads that were of Map Amendment (COMA) revising portions of this panel, and data of the for National flooding Flood sources studied by detailed methods Y as well as non- encroachment widths not considered in the hydraulic analysis of streams where no new hydraulic model was FIRM may be available. Visit the North Carolina Floodplain Map the FEMA Map Service er Service Center at 1-800-358-9616 X vith this FIRM, The FEMA Map ap Service ervice ice NC Division of Emergency Management National Flood Insurance Program
T for flooding sources studied by limited detailed. methods are provided in the FIS report created during the production of this statewide format FIRM. at www.ncfloodmaps. com, or contact www. for information on all related products associated with this FIRM. , T w 20 and its website at www.msc.fema.gov. [phone] www•nccrimecontrol.org/nfip 1-800-638-6620 www.fema.go n tp Federal Emergency Management Agency
m for this jurisdiction, The FIS report also provides instructions for determining a floodway Center information also be reached by Fax at 1-sso-35e and its ncfloodr~aps.co may using non-encroachment widths for flooding sources stu,iied by limited detailed methods.

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~ ~ ~ ~ REVISIONS. y ~ ~ ~
x ~ ' o ~ Q . THE JOHN R. McADAMS
• m o MERCK & COMPANY INC. k ~ ~ COMPANY, INC.
700 ATRIUM DRIVE
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d N ~ m ~ DURHAM COUNIY, NORTH CAROLINA SOMERSET, NEtP JERSEY (8673 00 -1 ~ ~ o I \ V! D ~1 O O DURW6~M COUNFY Business •=A ^ : RESEARCH TRIANGLE PARK, NC
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MERCK TEMPORARY C~TST STORMWATER WETLAND CONST 5325 OLD OXFORD HIGHV DURHAM COUNTY, NORTH CA PROJECT NUMBER: MER-0 DATE: MARCH 14, 2008 pYZ
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OWNER /APPLICANT
MERCK & COMPANY, INC.
5325 OLD OXFORD HIGHWAY Y
DURHAM, NORTH CAROLINA 27712 7712
CONTACT: DAVID LEIJA
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FAX: [phone]
EMAII,: david_leija~merck.com n
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DURHRM COUNTY ENGINEERING DEPT SEDIMENT & EROSION CDNiROL
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(919) 361- 5 000 The John R. McAdam'-; FINAL DRAWING - NOT RELEASED FOR CONSUli
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TRUCTION

• 1 ~ ~ ~ I I I ~ ! \~1 11 11 11 1 11 1 I I W
~ I / I ~ ~ JI j I ~ I \I~ 1 1 1 1 1 11 1 ~ / / , W
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I I / I ~ r / I I I I \ ~ ` 1 111 11 11 11 ' 11 11 11 I ASP BG IlT SURVEY PE HFORMED Blf ~ EM AN I J f / I I I 1 I I 1 1 1` I JOH " R. MCADAMS COMPANY, ANC. Qi
' I ' / / N 1 1/ I I 11,11 I ~ A
SE UENGE I I / I UCTION 0 CONSTR , I J I 1 ~ ~ 1 / I I \ \ ~ ~ ~ ~f \ \ ~ ~ 1 11 II 1 II 1 11 11 11 !l , TOP GRAPHY OUTSIDEI THE LINE I FROM
" ROVAL 70 ~ l I 1 TES RING GRADING) PERMIT AND AN APP I 1 / ERAL NO AIN A LAND DISTUR ( GEN E OWNER SHALL OBT ( 1 J FOR THE 1• ~ LE AGENCIES PRIOR TO j I I ~I 1' I I 1 1 1 1 , THE~CITY OF DURWAM GIS DATA
VERIFY ALL AS-BUILT INFORMATION "FROM DURHAM COUNTY AND ALL OTHER APPLICAB I ' / I N THE CONTRACTOR SHALL ND FACILITY CONSTRUCT / / 1 I l I I 11 ' 11 111 11 III ' 11 11 11 11 I I I \ 1 ~ ~ •
• 1 • PRIOR TO CONSTRUCTIO , M LOCATED WITHIN THE PROPOSED WE11.A NSTRUCTION. I f 1 I J EXISTING STORM DRAINAGE OUTLET SYSTE TIFY THE ENGINEER IMMEDIATELY SHOULD ANY CO ~ / I ALL NO IMENT & ~ I I l I I 11 11 1 1 II 1 ~ 11 11 11 11 I ~ ~ I ~ o
OWN ON THIS SHEET). THE CONTRACTOR SH ND ACTUAL FlELD CONDITIONS. ANp EROSION CONTROL MEASURES PER THE APPROVED SED I I 1 (SH INFORMATION A STALL ALL SEDIMENT EDIMENT AND EROSION I 1 J I !I 1 1 1 1 I I I N ~J' O o
REPANCIE5 ARISE BETWEEN THE AS-BUILT 2. IN L PLAN, THE CONTRACTOR SHALL MAINTAIN ALL APPROVED S 1 DISC EROSION CONTRO CONTRACTOR SHALL ~ I I IFFERENT SOURCES. THESE pIp' THE ENTIRE PROJECT, AS REQUIRED. THE I I 1 I IS FROM TWO D OL MEASURES THROUGH ERNING ~ I l I 1\ \\~f~ 11 11 1 11 1 11 1' 11 11 11 11 I 1 ~ I W H W Z d~ I/ \ ~ 1 1 1 1 1 1 1 1 1 1 `I 1 I h+l n D 0~
HIS SHEET CONTR IRED BY GOV I I . THE EXISTING TOPOGRAPHY SHOWN ON T PROVAL FROM THE EROSION CONTROL INSPECTOR, AS REQU ~ I I 2 AP ' 1 RECEIVE ~ I >'l 1 1 ` 11 11 11 11 ' { 1 { I II I I I Z 1~ ~ ~ ~
SOURCES ARE AS FOLLOWS: TOR TO ANY CLEARING. ~ I f E EXISTING DRY POND FACILITY IS AGENCIES, PR ~ I I 1 I l I ~ \ \ \ I1 1 11 11 , 11 1 1 1 1 11 {I 11 11 1 1 I II ` I ~ I~-1 \ a ~
ITHIN THE AREA OF TH RUCTION. ALL TREES AND ' 1 .THE TOPOGRAPHY GENERALLY LOCATED W MS COMPANY, INC. RUB AREA WITHIN THE LIMITS OF THE PROPOSED DAM CONST ILLED ~ I I 1 A 3. CLEAR AND G VI \ 11 11 11 t 11 11 11 11 1 11 11 11 11 ~ 1 ` II II ~ ~ ~ W a
ENT FlELD SURVEY BY THE JOHN R. McADA MUST BE REMOVED FROM THE DAM FOOTPRINT AREA AND BACK I I ~ = FROM A REC THEIR ENTIRE ROOT SYSTEMS ' I HAM GIS AREAS SHALL BE COMPACTED TO THE SAME ~ I a I ~
ON THIS SHEET 15 FROM C11Y OF DUR WRH SUITABLE SOIL MATERIAL. THE BACKFlLLED BANKMENT SHALL BE ~ I ~ I E REMAINDER OF THE TOPOGRAPHY DAM EMBANKMENT. THE REMAINING AREA OF THE EM \ I i o a4 I B• ~ STANDARDS AS THE \ II 11 11 11 ` 1 11 it 11 1 11 11 11 1 1 11 11 I 1 II ~ H. z ~ N
CTED BY THE ON-SITE GEOTECHNICAL ENGINEER. ANY \ f I o I I DATA BEEN STRIPPED TO A SUITABLE DEPTH AS DIRE I D LINE HAS E WELL SCARIFIED TO PROMOTE BONDING OF THE I ~ I 'l ,Il 11 11 11 1 111 11 11 11 l 11 11 11 111 1 11 ~ 11 I 1 II rT, F~~ ~ o
GRAPHY SOURCES ON THIS SHEET, A DASHE RESIDUAL SAILS TO BE LEFT IN PLACE MUST B CED FOR THE DAM UNTIL } i I c o 1 ENT TOPO SHALL BE PLA ' ~ 1 THE DIFFER ~ NKMENT MATERIAL I ~ 1 TO DELINEATE THE GRADING PLAN VIEW. NEW EMBANKMENT Flll t~0 EMBA 1 1 1 1 1 1 1 1 1 1 1 c1 I I I F+~-II w a o °o
TED ON OBTNNED FROM THE ON-SITE GEOTECHNICAL ENGINEER. I I 1 i o f 1 SFIOWN (AND ANNOTA ) APPROVAL OF THE DAM SUBGRADEIS I THE SUITABILITY OF ~ W I I ~ ~ 1 i I 1` 1 1 1 I l l { 1 1 I ~-i I I 1 1 W ~ tj F'~-+ ~
-SITE GEOTECHNICAL ENGINEER SHALL VERIFY MATERIALS SHALL BE PIACED IN MAXIMUM I I / ~ I 3. PRIOR TO CONSTRUC110N, THE ON IN THE DAM EMBANKMENT. 4. BEGIN CONSTRUCTION OF THE NEW EMBANKMENT. FILL ° ~ j ~ 11 EXI$TINO 15~ RCbP INI RT10UTi = 293.$1 11 1 1 I I I ~1 ( I I
E ON-SITE f I / rr I 1 W AREA FlLL FOR USE ESS DIRECTED OTHERWISE BY TH ~ / ~ I / RRO / " UNL THE PROPOSED BO 8 THICK LIFTS PRIOR TO COMPACTION, 1 I ~ / \ \ I' 11 1 1 1 ' ~ 11 11 11 l 1 I { II ~ ~ I 11 I ~ ~ ~ W V~,, O ~O'J
ANENT PLANTING FTS SHALL BE CONTINUOUS OVER THE ENTIRE LENGTH OF FILL. IF 1 / ~ I I / FER TO THE LANDSCAPE PLAN FOR THE PERM N THE GEOTECHNICAL ENGINEER. FlLL U L WILL BE OVERBUILT IN HORIZONTAL LIFTS AND I J / ~ I / SHALL RE E PLANTED 0 NT FILL MATERIA I ~ / ~ \`\v~ \ 11 11 11 11 I 11 11 1 11 1 11 11 11 II I II ~~~al Il I I C1 ~ ~ C~ ~ ~ ~ y~ .~``\``/,II~\ \ 11 11 11 11 1 11 11 11 I l II II II II I I o1~~ 11 I I W ~ f~+ ~
4. THE CONTRACTOR •~AT NO TREES/SHRUBS OF ANY TYPE MAY B CfIS NECESSARY, .THE EMBANKME 1 i , SCHEDULE. PLEASE NOTE FINAL GRADE IN ORDER TO ACHIEVE PROPER COMPACTION. 1 J j I I 1 PLAN/ CUT BACK TO I
EMBANKMENT. I 1 t° I I I PROPOSED DAM EDIMENT BASIN E USED AS A S PER SPECIFCATIONS LISTED IN THE SECTION TITLED "BERM AND SOIL I i I ~ I I I , 1 1 { I I { I I l 0 1Y I
GES OF CONSTRUCTION, THE WETLAND MAY B GENERAL 5. CONSTRUCT EMBANKMENT " F THE ON-SITE GEOTECHNICAL ENGINEER. ALL I I I Q f Z 1 INITIAL STA FOLLOW THE REQUIREMENTS 0 1 ' 1 - 5. DURING THE OL PURPOSES. IF 50, THE CONTRACTOR SHALL COMPACTION SPECIFCATIONS AND I I 1 \ 1 1 1 1 1 I I I' ' I 1 I~ ° I ~ I
CONTR FlLL MATERIAL SHALL MEET THE STANDARDS SET FORTH IN I I I I I ~ I FOR EROSION BELOW: CHARACTERISTICS OF THE EMBANKMENT UENCE UDING COMPACTION AND MOISTURE I I I I o I f 1 ~ \ 1 1 1 1 11 ~1 I I I I I I II I 11 ' I I w ~ I I '~~~uuuu~1~, ~ I i I,\~, 1 1 ~ 11 1 1 1 1 i l l l li I II I I l i i~° I ( I ++~'`~N CARO
TRUCTION SEQ " FICATIONS , INCL 1 CON - EXCEPTION OF THE BERM AND SOIL COMPACTION SPECI R COMPACTION, THE EMBANKMENT FlLL MATERIAL I I I 3 I ~ ~ I I \ \ 11 1 ~ 1 1 I I { ~ I I I I I I ~ 1 I I I I 0~.•'''"~S
HALL CONSTRUCT THE ENTIRE FACILITY WITH THE CE THE REQUIREMENTS. IF NECESSARY TO ACHIEVE PROPE PER FINAL GRADE. ANY HAND ~ I R S ON 0 PRO I I i I CONTRALTO ONSTRUCTED D CUT BACK T / I 1 A. THE ING WILL BE C ORIZONTAL LIFTS AN ~ I L I I ~ 1 ~ I II II 11 ' 1 I II II I I II I I II II 1~1 1 I I ~ 'S"9 '
INTERIOR WETLAND GRADING. THE INTERIOR GRAD WILL BE OVERBUILT IN H Y OR DRAIN STRUCTURES SHALL BE CONDUCTED IN 4-INCH I ~ I E. ACTIVITIES AROUND SPILLWA R / ! I I ~ I EROSION CONTROL PHASE IS COMPLET COMPACTION COMPACTION AND MOISTURE REQUIREMENTS AS THE EN11 E / I 4 { I I I I~ I I 1 1 1 1 I l l l l l l l l ~ l l 1 ~ I Abg~
" SE LIFTS AND BE TO THE SAME DIRECTED BY } I I o I CONNECTED TO THE EXISTING 12 0 DIP DRAIN L00 COMPACTION AND MOISTURE TESTING SHALL BE CARRIED OUT AS " , I 1 I I I I I ~ I I 11 1 1~ 11 11 1 ' 11 11 11 11 I I{ I I{ 1 ~ I (s1 (_,.1~ ~ If 3 6
B. THE TEMPORARY DRAWDOWN RISER SHALL BE EMBANKMENT. ALL A$ LISTED IN "TESTING OF THE EMBANKMENT • ~ I INFER AND I } I o I THE ON-SITE GEOTECHNICAL ENG I 1 E. } I I o W l 1 PIP ° I 1 SEDIMENT I \ l 1 1 ~ 1 { 1 1 I I ~ ~''I ~ , / F:~ ° I 1 1 1 1 1 1 ,
EROSION CONTROL INSPECTOR OMPTLY STABILIZE AND SEED DAM EMBANKMENT PER 1 1 w I E PR 1 I I ° o 0 ILIZED AND TH EMBANKMENT, ~ i o 0 0 ~ 1 I FOREBAY { I 1 1 1 1` 1 1 1 1 1 1 11 1~ W N -F i I / f ,,~~~q ~ NE~•\~Ci~+. ° I I 1 1 1 1 1 1 1 1 1 1 1 ` 1, W N O 1 1 f I 'h~ON R ~ ~~0
ONCE THE UPSTREAM DRAINAGE AREA IS STAB TRACTOR SHALL REMOVE THE 6. UPON COMPLETION OF DAM I I i I I I I C THE SEDIMENT BASIN, THE CON ING SCHEDULE. PPROVES THE REMOVAL OF L SEDIMENT, TRASH, ETC. SEED I I I II II I I I I~ 1 11 1 1 1 1 11 1 1 1 1~~ N~ 11 1 11' I ~ I ''~nunin~~~
A THE BASIN. AL I I I II I N-OUT ~ I i TEMPORARY DRAWDOWN RISER AND CLEA LANDFlLL AND NOT STOCKPILED IN ON AND AS-BUILT SURVEY WITH THE ENGINEER. AN I I IN A ) - INSPECTI I I I ~ I I I\ 1 ~ { 1 1 I l l N~ 1 ~ 1 ` I ,
PROPERLY LE. -PLACED 7• SCHEDULE A FNAL AS BUILT RE A PERMIT TO ~ I I SHALL BE DISPOSED OF ( CTED. CHEDULED A MINIMUM OF 60 DAYS BEFO I I BE ADVERSELY AFFE - T INSPECTION SHOULD BE S BE I I ~ I I a I a I I I 1 11 1 1 1 11 1 ~ W NN ~ 1 1 11 1 1 1 ~ 1 % I , 1 1 1 1 1, ~ N,, 1 \ , ,
AN AREA WHERE WATER QUALITY COULD AS BUIL \ I ANY COMMENTS OR DEFICIENCIES IN THE DAM CONSTRUCTION MU I I I I HE IMPOUND IS REQUIRED ORE CERTIFICATION SHALL BE ~ ' I I p II I i ~94 3, 1 11 11 1 1 { ` 1 j a} ~ 11 11 1 { ` \I 11 ~ 1 / I 1 ~
ND ALL EROSION CONTROL DEVICES REMOVED, T TO THE SATISFACITON OF THE ENGINEER AND OWNER BEF ~ ~ I { I o I OUT A CORRECTED IN ~ I D. ONCE THE BASIN IS CLEANED R GRADING SHOWN ON THIS SHEET, AND CAP THE OVAL FROM DURHAM COUNTY, CLOSE THE 8 0 BOTTOM DRAIN VALVE ~ I 10 L APPR I I I n. I HALL CONSTRUCT THE INTER GRANTED. UPON FlNA E IMPOUNDED BEFORE AN ~ ' L I ~ I 294.00 11 1 11 1 1 1 1 1 1 1 1 1 1 / /
CONTRACTORS " P I DI RISER BOX AND BEGIN IMPOUNDING WATER. NO WATER SHALL B \ I ~ I o I END OF THE EXISTING 12 0 THE I \ 1 1
TO IMPOUND IS ISSUED FROM DURHAM COUNTY. \ I I I I I - ITE INSPECTION APPROVAL ' I I PLETE THE CONTRACTOR SHALL REQUEST AN ON S 1 I I I I ~ I I I + ~ 1~ ~OGN 4 1 1 11 1 1/ I / / I { 294.00 1 Y93.5b ~ V.1 ~ ~ 1 1 1 \ 1 \ 1 1 1 1 1 1 W O cA ` 1 1 1 1 1 1\ 1 1 1 \ / / ~
COM ~ I E. ONCE THE GRADING IS TO INSTALLATION OF THE WETLAND PLANTS. IF THE As-BUILT SURVEY PRIOR RvEY AND TONS I I I ' I I I I AND AN 0 AN AS-BUILT SU ( N SPECIFICA i / / / II 11 11 \11 11 11 ~ O ~ ~ 11 , 11 11 11 1 1 11 11 \I 1 11 ~ / v
ETATION PRIOR T IL COMPACTIO { I I I 1 E PROPOSED VEG RM AND SO ~ I TOR PLANTS TH TING OF BE CONTRAC ~ PROVAL, ANY CHANGES TO THE GRADING / RE-PLAN
ENGINEER S AP ) BE TAKEN FROM BORROW I I , I ' I I I T SUBSEQUENT T R'S EXPENSE. II`` C 0 L FILL MATERIALS TO BE USED FOR THE DAM EMBANKMENT SHA L BE FREE I I I~ I I I 1 11 11 1 N 294.00+ 11 +,93.71 O <J 11 11 11 , 11 11 11 1\1 1 11 \1 11 1 11\ ~ / / I
PLANTS WILL BE AT THE CONTRA 1. AL D BY 1HE ON-SITE GEOTECHNICAL ENGINEER. THE FlLL MATERIALS 1 } I { I 1 ALL PLANT AREAS APPROVE NOR OTHER OBJECTIONABLE ~ I { I 11 294.00+ ~ N t 1 1 11 11 1 \ 1 1 1 11 11 1 1 ~ ~ ~ ~ a 1 1 1° ) N~ 1 1`~ 1 1 1 1 1 1 1 1 I t
VED THE AS-BUILT GRADING, THE CONTRACTOR SH 0015 STUMPS, WOOD, STONES GREATER THAN 6 ,AND FROZE } } 1 I I I ONCE THE ENGINEER HAS APPRO PLAN FOR THIS FACILITY. FROM R ~ TABLE FOR USE AS FlLL WITHIN THE DAM 1 I I I I~ 1 1 1~ t9 6~ ~ t 1 1 1 1 1 \ 1 \ 1 1 1\ 1 1 ( I \ 1 \ ~ a
F• ED WETLAND PLANTS SHOWN ON THE LANDSCAPE } MATERIAL. THE FOLLOWING SOIL TYPES ARE S TYPES ARE DETERMINED TO BE I I { I THE PROPOS } EMBANKMENT AND KEY TRENCH: ML AND CL IF OTHER SOIL NG APPROVAL OF THE R SHALL REM~VE THE 1 i I I 1 ` 1
0 HELP MAINTAIN A . AL ENGINEER, DOCUMENTATION INDICATI C TRACTO I I I RATE IS GREATER THAN 0.01 IN/HR, IN ORDER T MANENT SUffABLE BY THE ON-SffE GEOTECNNIC BE RETAINED FOR FUTURE \ EX NG H GUARD ND THE I N ~ 6. IF THE INFlLTRATION TOR MAY NEED TO INSTALL A CLAY LAYER OR A PER i II 11 1.0 294.00+ +21.75 ~1 11 1 11 11 11 11 1 11 11 11 11 1 11 1\ 11 1 1 H { I 1 / 1 1 1 1' 1 1 1 1 1 \ 1 1 \ 1 \ 1 M o I \ 1 1 1 1 \ \ 1 11 \I 11 11 ` \ 1 11 1 ~ \\wa N
_ TECHNICAL ENGINEER (E.G. SIGNED AND SEALED LETTER SHALT- \ 4" REDU RAND } N N PERMANENT POOL, THE CONTRAC LOWEST GRADE OR 1 FOOT BELOW GEO EXIS NG 12 XI c9 ~ I
CLAY LINER A MINIMUM OF 1-FOOT BELOW THE IS AS-BUILT SUBMITTALS. \ C P T E END 0 12" DIP WITH A 1 ~ ~ GEOSYNTHETIC FOR THE PROPOSED PLANTINGS (WHICHEVER A ~ ~ 11 p~ THE ROOT BALL " CH LIFT SHALL BE } ALLY ESTRAINEq~ PLUG Cfl I ~ II II 1 11 1 1 1 1 \ \ \ \ \ 1 ` \ Q'+
THE BOTTOM ELEVATION OF ENTOMAT CL BY CETCO AXIMUM 8 LIFT (UNCOMPACTED). EA MECI{ANIC R I THE11C LINER IS CHOSEN, THE LINER SHALL BE 6 2• FILL PLACEMENT SHALL NOT EXCEED A M RE PLACEMENT OF FILL FOR THE } I i GREATER). IF A GEOSYN APPROVED EQUIVALENT. _ 1 1 I I 1 1 1 11 + ~ 1293.51+ ~ 1 1 1 1 1 1 11 \I 11 ` 1 \ 1 \I ` ~ \ a
CONTINUOUS FOR THE ENTIRE LENGTH OF EMBANKMENT. B CE PROPERLY } ~ 1 GINEER E SURFA I LINING TECHNOLOGIES OR EN MATERIAL SHALL B~ REMOVED AND TH } { I 1 1 R5 iN THE BERM SECTION, ALL UNSUffABL.E 1 ~ I 1 I 1 II 11 N 294.00 / +293.50 11 11 11 1y \II \ll 111 111 1 11 II 11 11 1 Ilt 11 11 \ \ ~ ,
OIL LAVE I ' 1 THIS PLAN ARE FINISHED GRADES. IF THE EXISTING S PREPARED FOR FlLL PLACEMENT. I J I 1 I 7• THE GRADES SHOWN ON SUITABLE BY A LANDSCAPE I I I 1 I
FTER EXCAVATION) ARE NOT DETERMINED ATE TRUCT10N SHALL BE COMPACTED I I 1 TTAND A L OVEREXCAV TRENCH CONS I 1 PROPOSED WE ( PLANTINGS, THE CONTRACTOR SHAL LL SOILS USED IN THE EMBANKMENT /KEY I I UTURE WETLAND 3. ALL Fl -698 . THE FlLL SOILS J I 1 I 1 111 {J ~ 294 111 11 1 11 11 11 11 1 11 11 11 11 1 1\ \ Z ~
PROFESSIONAL FOR THE F ATER SURFACE ELEVATION TO THE ARD PROCTOR MAXIMUM DRY DENSITY (ASTM ) / I I { F THE WETLAND .(FROM THE NORMAL W TO AT LEAST 95% OF THE STAND CENT OF TIS OPTIMUM I 1 R PORTIONS 0 E FINISHED (THIN -1 TO +3 PER / 1 ~ I N ~ ~1 / 293.50 11 1 1 11 1 1 1 ~ 11 11 11 1\ ~ \ \ ~ ~
THE INTERIO SHALL THEN BRING 1HE WETLAND AREA TO TH SHALL BE COMPACTED AT A MOISTURE CONTENT W TRACTOR EON-BYTE GEOTECHNICAL i I i 1 OTTOM BY 1-FOOT. THE CON BY 1HE LANDSCAPE CT10N TT~TS SHALL BE PERFORMED BY TH I I ` i? B ) KPILED ON-SITE (AMENDED AS DIRECTED MOISTURE CONTENT. COMPA (.rl ~ 11 1 ~1; 294.0 1 1 1 11 11 11 11 1\ ~ \ ~ ~
TOPSOIL STOC E THAT THE PROPER COMPACTION LEVEL HAS BEEN ~ I' I I ~ GRADES USING THE FOR BETTER PLANTING CONDITIONS FOR TH ENGINEER DURING GJNSTRUCTION TO VERIFY ~ I J I I I O 1 1 11 +293.75 1 ~ 11 1 11 11 1 1 1 1 1 \ \ \ \ ~ Z a Z
' THE OVER EXCAVATION WILL ALLOW COMPACTED USING A SHEEPSFOOT TYPE COMPACTOR. IN ORDER TO _ , AL . ULD BE I I 1 1 ~ PROFESSION ) REACHED. THE FlLL SHO D PLANTS. ~ 0 COMPACTION EQUIPMENT SHALL CROSS ANY PIPE UNTIL I I r I O ~ 1 1 1 \ \ \ \ 1 \ \ 1 \ \ 1 1 1 + 1 1 1 1 1 1 1 1 \ \ \ \ ~ 1 ~ A
PROPOSED WETLAN PREVENT DAMAGE TO THE F,PE, N J I 1 } N THE DAM IS ESTABLISHED ALONG THE PIPE. I { I I ' 1 1 294.Op 1 1 1 1 1 1 \ ~ \ 1 \ \ \ \ a ~
TOCKPILED FOR USE IN PLANTING (SEEDING) 0 MINIMUM COVER I I OIL SHALL BE S p 1 I I ~8. ANY REMOVED TOPS NG PLAN HAVE BEEN ESTABLISHE 0 VERIFY THAT THE DAM ~ I I } GRADES AS SHOWN ON THE GRADI ) E SHALL PROVIDE THE ENGINEER WITH REPORTS T ~ ~ I 1 ~ 1 1 + I 1 1 1\\ w ~ 1 ' 1 1 293.75 29~.00~1 1 , 1 \ \ \ ~ \ \ 1 \ \ ~ ~ \ \
E FNAL ( CARIFY TH CTOR EMBANKMENT ONC 0 TOPSOIL INSTALLA110N, THE CONTRACTOR SHALL S 4. 1HE CONTRA T SPECIFlED COMPACTION REQUIREMENTS. COMPACT10N REPORTS WILL BE ~ I } WITH COMPACTED FlLL. PRIOR T}{E TOPSOIL WITH THE EMBANKMENT MEET'S THE I STORMWATER FACIIITY. ~ I } 1 , 1 1 1 \ 1 \ 1 \ \ \ \ \ Q O x
" E BERM SECTION TO PROMOTE BONDING OF ED DURING THE AS-BUILT CERTIFlCA110N PROCESS FOR TH S 1 TH " " ED ~ II I 1 1 THE TOP 2 -3 OF ALL RANGE FROM 3 -4 ON THE DAM EMBANKMENT. NE 1 1 1 1 1 1 1 1 1 \ 1 \ \ ~ 1 \ \ \ ~ ~ ~ \ U q~ 1 1 .L1 1 1 \ \ 1 \ \ \ \ \ \ a
SH BE THE CONTRACTOR'S RESPONSIBILITY TO COORDINATE COMPACTION TESTING ~ I COMPACTED FILL. THE TOPSOIL DEPTH THEREFORE, Tf SHALL ARE PROPERLY PERFORMED DURING CONSTRUCTION AND I EXISTHJG 72 LFI 12"~ } 1 ` 1 11 1 94.00, 1 \ 1\ 1\ ~ \ ~ O Z
MAINTAIN ANY PUMPING EQUIPMENT, ETC. AND TO ENSURE COMPACTION. TESTS RATE AND MAINTANED. i~ I DIP ® 04% 1 } NSTALL OPE F SUCH TESTING I 1 SHALL FURNISH, i ~ D SITE. IT IS ACCURATE RECORDS 0 .I 9. THE CONTRACTOR TER FROM VARIOUS PARTS OF THE STORMWATER WETLAN , ~ 1 11 1 y 1 11 + \`~`~A I 1 II ~ \ \ 1 \ ~ \ \ ~ \ \ ` ~ "
DED FOR REMOVAL OF WA DURING PLACEMENT OF IFY THAT THE RECOMMENDED ~ (SEE~NOTE 1 U 4ER \ NEE L BE NECESSARY DURING CONSTRUCTION, ING WIL L F THE NEW FlLL MATERIALS SHALL BE PERFORMED TO VER ~ ~ GENERAL NOT6,S) \ 1 1 1 293.75 + 1 2~4.00~ 1 1 \ \ \ ~ ~ \ \ ~ ~ 1
ANTICIPATED THAT PUMP ~ AREAS AS NECESSARY}, THE CONTRACTOR SHAL 5. 1ESTING 0 ~ TH IS ACHIEVED DURING CONSTRUCTION. THEREFORE, ONE DENSITY TEST SHALL \ \ \ } FILL WITHIN THE EXCAVATION AREAS (OR 0 ON. 1HE MANNER IN WHICH THE LEVEL OF COMPACTION OF AREA FOR EVERY LIFT OF FiLL OR AS ~ ~ ~ \ 1 1 1 1 293.50 \ 1 _y 1 ~ \ \ \ \ \ ~ ~ ~ ~
M OF THE EXCAVATI EVERY 2 500 SQUARE FE ~ \ \ KEEP THE WATER LEVEL BELOW THE BOTfO N BOTTOM AND SIDESLOPES ARE STABLE. BE PERFORMED FOR ~ \
OVED SHALL BE SUCH THAT THE EXCAVATTO DIRECTED BY THE ON-SITE GEOTECHNICAL ENGINEER. ~ / ~ ~ \ 1 \ WATER IS REM , ND FACILITY. THE ~ ~ \ \ \ \ \ \
ETRO-FlT OF THE EXISTING DRY PO ~ ~ ~ \ \ \ 10. THIS PLAN SET SHOWS THE PROPOSED R TION DRAWINGS FOR ADDITIONAL DETAILS PONSIBILiTY ~ ~ EXISTING LEVEL ~ \ \ \ ~ ~ ~ ~ \ I \ \
PPROVED CONSTRUC MENT OF RES REFER TO THE A THIS FACILITY STATE ~ 1 CONTRACTOR SHALL NTRACTOR IS RESPONSIBLE FOR ENSURING 1 SP DER SCOUR HOLE \ \ 1 I I 11 +293.50 \ 1~+ 11 I ~~0 \ \ O I I I 1 293.7 1 \ ~ ~ ~ ~ ~ ~ ~
CIFlCATiONS. PLEASE NOTE THE CO UC110N DRAWINGS, AS BE THE RESPONSIBILITY OF THE /R~ \ I AND SPE NAL CONTTR IS FACILITY SHALL 0 MEET THE SPECIFICATIONS LISTED IN THE ORIGI ISCREPANCIES ALL REQUIRED MNNTENANCE AND INSPECTIONS OF TH GREEMENT FOR / (SEE N(ZTE 10 UNDER \ \ T CONTINUES T FOR THE PROPOSED RETRO-FIT. ANY D J
THIS PLAN SET ASSOCIAT10N, PER THE EXECUTED OPERATION AND MAINTENANCE A GENERAL OYES) \ AS THOSE LISTED IN R TO CONSTRUCTION, PROPERTY OWNERS ~ \ { 1 WELL SETS SHALL BE REFERRED TO THE ENGINEER PRIG
E PLAN THIS FACILITY. \ \ I 1 BETWEEN TH J \ } 1 ~ ~ 1 1 } \ \ \ T - \ ~ \ ~ \ \ ~ \ 1 I (rj I II 11 ~ I II II 293.75 \ aA \ \ I { HI
\ I I I
~ } I I I II11 1 1 1 1 ` + \293:5\0 ~ \ ~ \ \ ~ ~ 1 I 1 1 ~ I I l 294.A0 \ \ - \ \ \ 11 11 11
I I I I
J I1,. 1 1 ~ ~ ~ ~
/ 1 I ! ~ ~ I ~ ~ I I ' I II ~ 293.75+ + + J\\`~ \ \ ~Y ~ ~ ~ ~ 1- I
I / I~~~ I ~ ~ ~ I I I 294.00 \ 293.50 0 ~ \ ~ ~ I I { I I
I / I 1 I~ / 1 / ~ !f ~ I I I 2g~ ~ \ f I I I 1 I I II
~ EXISTING 12" DIP ~ I 1 I I may. ~l \ ~ ' I I I I ff ~ ~ ( I ~'I 293.5 + 1 11 I I I i l j II I Q
= 9.84 I f ~ I INVERT OUT 28 1 I , . • I I l
< . I r / I / I I I 234.00 ) I I I I I / I O / I I I ~ 1 1 I I I I / I I I I I SEDIMENT f, / / /
/ I I I \ FOREBAY ~ I I I I I I I I I /
~ ~ ~ I 12" I ~ ~ ~ I 12" DIP I VERT IN = 292 75 ~ I , I /
I / ~ ~ ~ ~ ~ \ ~ ~ ~ I i i 2g I I ~ j Il I II I II I / I I ~ ~ + /~i , I / /
1 / / / / ~ ~ ~ I I / \ + 294.00 , / I I I I I I I I / / / ~ ~ I I / \ \ \ 294.00 ~ , I I I /
/ I / I / I ~ ~ ~ ( \ ~ ?94 ~ EXI,STMG 15"'CCP INVi1RT dUT 1= 3p5.8~ I I I I Z
, / I / I ~ ~ / / I i I I I 1 1 f/~
~J / I ? I` 294.00+ - ~1~10 / / I I I I I I
/ / ' I ~ l / R i I I j ~ ~ ~ , ~ ~ PIPE,kCAY NEEQ ~0 8E •EXTENpED ITO I , f I I V~ ~ I I I \ 00 OSED,NORMAL P~L ELFVATIQN I I I I I ~ ~ W
/ EXISTING VELOCIiI' DISSIPATO _ J/ / (SEA TJOTE ~O-UNDER _ _ _ _ _ - ~ I ~ I ~ +294.00 ~ 29~ ~ ~ ~ ~ DU 5~8 C~I~TRUCTION.'PO ALL~dIATE / I I 1 I I
i NOTES / ~ GENERAL I 1 E~ ~ ~ ~I N SI ~OBLEMS~ I. AN~f) ON~ I I I I O V I MICROPOOL 1 ~~5~~~' / ~ THE~~(~I SLOPF~' I I I
/ / _ / 11 ' , I I ~ I I I ~ I I ~9 / ~
/ / / ~ / / ~ / ~ / /
/ ~ I / / ~ ~ / I I I ?~~~q ' i'// / / ice/ i'/ ~O~ ~ /I I I
/ / \ / ~ / \
/ ~ / 6" ~ ~ ~
1 EXISrTING ENDWALL r 1 ~ "FRCP = 289.83 ~
RISER WALL / INV. OUT (36 ) EXISITNG EXTERIOR 1 ~ UNDER / (5?lE NOTE 1 \ ` ~ \1 ii' ~l ~~-reSl' RI~R OlnLE1%~ T ~ i'~ , ~ / - ~ i ~ ~ SNAPFF CIRClj1.AR ' ~ / O
r'~, 1 / / GENERAL NOTES) 1 ` ~ 1\ ~ I T~RNAL DJMfNSiONS~ 5 fT.9JAM~fER i' ' ' ~ ~ / a
SIPHON TO ANGLE 90' UP ON THE ~ ~ „ INSIDE FACE OF THE RISER AND SHALL ~ ~ \ / , ~1'OP OF~RISER =~2g7.65 / ~
HON = 294.00 NWSE " ` TOP OF 2 0 PVC SIP = t EXPEND 12 ABOVE 1HE SIPHON INVERT ~ / EXISTING 70 lF \ ~ / ~ / ~ ~ INVFR~f OUT (36"`~ 0-RNdG RCP) ~ X0.91 ~ ~ , ~ ~ ~ ~ ~
TION 294,00 / r 0 ELEVA ) (T 36"D 0-RING RCP ~ 1.54% 0 ~ ~ ' / / ' ~ ' ~ ~(~EE NEE 1 UNDE~GENERA~'NOTE$) , ~ 1.54% ~ ~ ~ ~ ~ , ~I 2"~ PVE'S{PHON,' ~ / / ~ , ~ / , ~ ~ , / RISF,R'TO BE MdIFlED~
• / ~ (SEE NOTE 1 UNDER 'NDE j / ~ i' ~ ~ ~ ~ i' ,glp~ I~VE~T ~ ~.00 ~ ~ , ~ / ~ i ~ ~ f'~`, ~ / 07ES / i' (SEE AIL)~i ~i' ~ ~ yfi~ ' ~
/ / ~ ~ ~ ~ GENERAL N07ES)
2"~ PVC SIPHON INVERT = 293.00 / / ~ / / ~j
/ / ~ ~ ~ar / ~ ~ / , / / , ~ ~ , / ~ ~ , ~ 9~~,~,' / rRO~E MER-07000
,:.a,. / • 2 D PVC ~ / ~ ~ ~ ~NA~:MER07000-PD1
" SIPH0~1 / / r \ ~ SIPHON TO ANGLE 90' DOWN :x INVERT = 293.00 / / ~ /~i' /i ~i / ~i ~i ,i / ~i' , DESIGNED RY: -
ON THE OUTSIDE FACE OF THE ~ ' - ~ _ , ' / ~ i / ~ / i / , ~ i' ~ i / DRAWN BY: -
RISER AND SHALL EXTEND 6 / / n ~ ~ - - - SIPHON INVERT (TO EXISTING INTERIOR RISER WALL r OW THE / 1 / / \ ~
BEL 3.50 ~ / ~ - ELEVATION 29 ) I ~ ~1Iry~ P~ ~w GRAPHIC SCALE scAr,E; NTS
5"PORMWAI'ER 1n _ neTtt. n ~ w Anna
1°=20' 20 0 lu a nRUCTION pi~NO- ~wv
CONTRACTOR SHALL SEAL PVC p_1A
PIPE PENETRATION USING 1 inch 20 ft.
NON-SHRINK GROUT
RISER MODIFICAMON EXISTIl~TG FINAL DRAWING NOT RELEASED FOR CONSTMADAMS
RISER WALL CROSS-SECTION

I
\ I I 1 V 1 I \ >I~\~~~\ 11 11 11 1 11 1 11 11 1t 11 11 11 1 1` II II 1 ~
I ~ I
LEGEND ~ 1 1 ( I \ II X 1 1 1 1 1 1 1 1 1 11 1 1 I
HATCH TYPE SPACING I ( SYM. SCIENTIFIC NAME COMMON NAME I / ( QTY. ( I ~ 1111111'1 11 1 I ~ ~
I I ( ( I ,r'~, ~ l/ 1 1 1 1 1 1 1, 1 1 1 1 1 II , ~ ~ I \ 111111.,1, 1,111 11 I ? I
n I / (
IZZARD-TAIL BARE ROOT/ PLUG 24 O.C. ( ~ 264 SC SAURURUS CERNUS L I / 1 1 ~ 1 / I, I 1 I- 1 1 1 1 1 1 1 1 1 1 11 I I
I / ~ ( / i I / \ 1 1 1 1 1 1 1 1 1 I I I I I I I 1 ~ U•
n I I DART BARE ROOT 24 O.C. ( ( ~ / 1 1 1 1 1 1 I 1 I I I I I I 111 I I I / \ 1 1 1 1 1 1 1 1 1 I I I I ~ I I I l I a o
GINIANA BLUE FLAG IRIS Q / I ~ 300 IV IRIS VIR ( ~ z I I I ~ 1 J 1 1 1 1 1 I I I I I I I I I I I I o 0
1 I I w W I I 1\ 111111111 I II I~I I I I ~'~,wz~
- I I o _ 24" O.C. / I I ~ ~ J I 1 \ I I I I I 1 1 ~ 1 1 1 1 1 1 1 I a
SOFT RUSH = _ _ BARE ROOT/ PLl1G I I 313 JE JUNCUS EFFESUS _ _ _ / I I r i I 1 1 1 1 1 1 1 1 I} I I I II 1 1 I I m
( I w . 1 ~ 1 0 o I I 1 1 1 ` 1 1 1 1 1 I I I I ~ I I I I I I I x ~ a~
I I I i- 1 I~ 1 1 1 1 1 1 1 l l l l ~ l l w` ~ 1 O~ a a
LL UG 24" O.C. ( I s RA VIRGINICA ARROW ARUM L_L_ BARE ROOT/ PL I o 363 PV PELTAND ( ~ I o w l 18 - SEDIMENT I 1 11 1 1 1 1 1 1 I I I I I I I~~~ J M"~ n~ z~ N
I I I o 0 0 ( I o ~ o ° ~ o I I I FOREBAY I 1 1 1 1' 1 1 11 1` 1 1 I` ~ v'1 WwP ~ J I a z~~ o
I I I I I u ° 1 1 1 W u I ~ II _ 1 11 1 11 ` 11 1 1 11 i \wNON 1 11 1 ~ W~ a E°~
" o c. I I I
SOFT STEM BULRUSH BARE ROOT/ PLUG 24 ~ I ~ 305 SV SCIRPUS VALIDUS I I Q I o o II I I s t. I ~ , 1 1 1 1 1 11 1 ~ U` N\~ 1 1 1 1` I ~ O~ I x x
I ~ I I I I o I 1 1 1 1 1 1 1~ crti N N E ~ 1 1 1 J I ~ 'J W U~ cc
I I I + + + UG 24 O.C. \ I I ° II I \ --~1= 1 11 1 1 1 1 U, ~ ~ cA ~ N '1 1 11 ` 1 1 z W ~ 1 1 6~ 1 ~ ~ . o~
C PONTEDERIA CORDATA PICKEREL WEED + + + + BARE ROOT/ PL I I I o 395 P + \ I I ~ ~ I I \ 1 1 1 W j~ X 1 1 1 1 1 1 1 1 1 / / Z WO •-I
I I ~ I I I I _ ~ 1 1 (pl O Q~ 1 1 1 1 1 1 1 1 1 1' / / / W~ a~ ® 1 1 /
I I I I I I 1 1 1 ~ 0~ 1 1 1' 1 1 1 1 1 /
T PLUG 24" O.C. I I I I 409 GITTARIA SSP. ARROWHEAD BARE R00 / I SG SA I I I ( W o ~ ~ , ~ 1 , , , 1 , 1 , 1 1 / ,,,,,,,111111,,,,,,,
RARY SEEDING SCHEDULE I TEMPO I 1 ~ N, 1 1 1 1, 1 1 1\ ~ CAR ' ( I 1 ~ L = ~ 1 1 1 1 , 1 11 1 1 1 1 1 1 1 11 / ;~~\OQO~pNDS~q~`/y~~'
1 I I 1 1 ~ ~ I I I II I 1 1 L L ~ 1 1 11 1 11 1 1 ` 11 \ 11 11 , I / ; ? ~9~ ~
1 I 1 + + 1 1 1 n. _
. COCCINEA SCARLET ROSE MALLOW 3 GAL. I DING MIXTURE APPLICATION RATE ` " 1 I I 38 HC HIBISCUS SEED NG D I EXISTI G SIPHON HEADWALL 12 DIP i I I L~+P~ L , 1 11 1 1 11 1 1`` 1\ 1 1 1 I ~ ~r 1 ~ .d -
I ~ 1 TO B CAPPED~WIIIi DUCTI E IRON N ~ ' 1 11 L~ LL 1 11 1 1 1 11 1 1 ~ 1 1 \ 1 1 ~ 1 = ~
1 -MAY 1 RYE GRAIN) 120 LBS/AC pLA~ I N ~ JAN ( ~ ~ N N I I LL + / L 1 1 1, 1 1 1 1 1 1 1 1 ~ \
KOBE LESPEDEZA 50 LBS AC ~ ~ ~ / ~ -P ~ H 3 GAL ~ I I ~ ~ 1 1 1 L + L ~L 1 1 1 1 1 1 1 1 1 1 1 1 ` \ '%~FVjN HA~~`~~,,.
29 CO CEPHALANTHUS OCCIDENTALIS BUTTONBUS Y 1 -AUG 15 GERMAN MILLET 40 LBS/AC ~ l MA 1 I l ~ I 1 1 ~L I L 1 t 11 11 1 1 11 1 1 1 \ 1\ 1 ~ 1 ~ ,<<
1 I I 1 1 1 1 1 1 ~ L/ LLL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 \ I I I I L ~L1 , 1 1 1 1 1 1 1 1 1 1 1 1 1\\ ` \
- RYE GRAIN 120 LBS AC ~ } I I I I AUG 15 DEC 30 ( ) / I 1 I I I I
I I 1 It N = LI 1 1 1 1 1 11 1 11 1 ` 11 1\ \ `
AM E / i I I I G SCHEDULE S01 M ND NTS I NT SEEDIN L A E ME PERMANE /
OF SOIL TESTS OR APPLY 2,000 LB AC GROUND ( I I I FOLLOW RECOMMENDATIONS / / I
N APPLICATION RATE AGRICULTURE LIMESTONE AND 750 LB/AC 10-10-10 FERTILIZER (FROM AUG ~ i J I I ~F~DING DATE $FEDI.~G MIXTl1RE I 15 -DEC 30, INCREASE 10-10-10 FERTILIZER TO 1000 LB/AC). ( I I I ~ ~ 1 1 1 \ \ \ \ \ \ \ I I 1 0 ~ 1 1 1 1 1, \
i I
25 -OCT. BES TALL FESCUE 200 LBS/AC I ~ . AUG ( ~ MULCH ' I I 1 1 1 ~ 1 1 1 1 ~ \ \ \ \ \ \
15 POSSIBLE APPLY 4000 LB/AC STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, f ~ I I FEB. -APR ( ) TH BLADES SET NEARLY STRAIGHT CAN i ~ OR A MULCH ANCHORING TOOL. A DISK WI ~ I , ~ ~ 1 1 I ~ 1 1 1 \ \ \ \ \ ~ \
BE USED AS A MULCH ANCHORING TOOL. ~ ~ ~ - 501E AMENDMENTS ( I I ~
OR APPLY 4000 LB ACRE ~ APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, / MAINTENANCE i ~ ~ I I 1 1 ' 1 11 ~ \ \ \ \ \ \ \ o \ z
GROUND AGRICULTURAL LIMESTONE AND 1000 LB/ACRE 10-10-10 FERTILIZER. ~ JAN 1 -AUG 15: REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. I EXISTING 72 L(~, 12"0 ~ 1 1 \
AND MULCH IMMEDIATELY RESEED, REFERTILIZE, I DIP ~ 4~04q ~ MULCH FOLLOWING EROSION OR OTHER DAMAGE. ~ I 1 1 1 1 \ \ \ \ \ \
4000 LB AC STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, \ \ \ I APPLY / LADES SET NEARLY STRAIGHT CAN \ I 1 1 1 1 \ \ \ \ ~ \ \ \ ~ w
OR A MULCH ANCHORING TOOL. A'DISK WITH B ~ \ \ 1 1 ' 1 1 ~ ~ \ \ ~ \ ~ \ a a
USED AS A MULCH ANCHORING TOOL. _ 11LIZE DAMAGED AREAS IMMEDIATELY. \ \ BE AUG 15 DEC 30: REPAIR AND REFER / ~ \ \ \ TOP DRESS WITH 50 LB/AC OF NITROGEN IN MARCH. ~ \ \ \ \ \ 11 11 \ \ \ \ \ \ \ ~ \ ' '
MAINTENANCE IF IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND \ 1 1 +++++~+++~+++I \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ t~ ~
ATE WINTER OF THE JUNE 15 OVERSEED WITH 50 LB/AC KOBE LESPEDEZA IN ~ ~ ~ INSPECT AND REPAIR MULCH FREQUENTLY. REFERTIUZE IN L ~ ~ EXISTING LEVEL \ +++1 \ \ \ \ \ \ \ \ I~-I ~
G YEAR• USE SOIL TESTS OR APPLY 150 LB/ACRE 10-10-10. MOW LATE FEBRUARY OR EARLY MARCH. PREADER SCOUR HOLE ~ ~ FOLLOWIN , REGULARLY TO A HEIGHT OF 2-4 INCHES. ~ \ I I 1 1 \ \ \ \ \ \ \ ?--i \ I 1 + + + 1+ + ' ~O \ \ \ \ \ \ ~
dQg;. USE THE TEMPORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOT CORRECT TO USE / ~ \ \
NURSE PLANTS THE PERMANENT SEEDING SCHEDULE. ~ \ SS OR 10 LB ACRE ~ \ ` \ ` \ ~ \ \
BETWEEN MAY 1 AND AUG. 15, ADD 15 LB/ACRE SUDANGRA / OR AFTER AUG. 15, ADD 40 LB/ACRE RYE (GRAIN). ~ ~ 1 GERMAN MILLET. BEFORE MAY 1, 1 \ \ I I I I + + ~ ` \ ~ ~ \ Z z
~ I
• PERMANENT SEEDING SCHEDULE IS FOR EXTERIOR SLOPES OF THE DAM, AND I NKMEN TO NORMAL POOL ELEVATION. AM FILL EMBA ~ ~ I
INTERIOR SLOPES OF THE D ( I I I I II 1 II I I LL LLLL ~ ~ \I ~ U 1 1 1 1 I 1 I L LLLL \ \ \ l i O o x
I I + + \ \ ~ E~ I I I L_~, _ _ \ \ \ a
. I I 1 ~ 1 I I LLL LLL _ \ ~ \ \ \ 11 1 A o
y AVOID PURCHASING TREES ~ ~ I y ~ / I I LLL I LLLL \ _ . ` ~ \ \ \ ~ \ \ \ \ ~ ~I ~ ~ I ~ ~ z
ADERS OR ~ WITH TWO LE ~ REMOVE ONE AT PLANTING. ( 1 I 1 ~I ~ I I IQ 8~e LLLL ~ \ ~ ~ \ ~ \ \ \ I I ~ I ~ a ~ `
OTHERWISE, DO NOT PRUNE EXISTING 12" DIP ( / l I J j ~ I LLL ~ F LLL \ \ \ \ ~ I I / 1 I ?n ~ j l l I I ~ I LLL N~++ i°~s LL 9 • J I I I / 1 ~ ~
TREE AT PLANTING EXCEPT INVERT OUT = 289.84 / l C FlC STRUCTURAL „ ~ J / / LL ! 1 ~ J I / ~ a
FOR SPE E BEFORE PLANTING, ADD 3 -4 / RRECTIONS. • ' ' / ~ 1 ~ i I I I I L LL j I I I II i /J w ~
IF PLANTING HOLES ARE DUG CO (7-10 CM) OF WELL WITH A LARGE AUGER, BREAKING COMPOSTED LEAVES, RECYCLED \ ~ ' I I I I + • ' I + + + + + + SEDIMENT L I I I I I J I ~
TH A SHOVEL TE OR OTHER ~ DOWN THE SIDES VN YARD WAS ~ ~ n ~ ~ ~
CAN ELIMINATE GLAZING AND COMPOST AND TILL INTO 6 ~ LOPING ~ ~ ~ ~ .CREATE THE PREFERRED S (15 CM) OF PREPARED SOIL. _ - / ' l `~I~ I I I I + FOREBAY L I I ~ ~ I J I I o
SIDES. ADD COMPOST AT 20-35~ BY / I I I L I I~ I I I I 'k
VOLUME TO BACKFILL. ~ ( ~ \ ~ I I I f l V ~ I i I t / ~~II?~.L ~ I I I II 1 I j
' / EXISTIN6 LOCITY / I J / ~ ~ ~ ~ ~ a LLLL ~ ~ ~ ~ / I I I I I ~
• ~ / ~ / DO NOT WRAP TRUNK, MARK THE / / DISSIPATOR_ _ _ ~ ~ i / I I~ I MICRO 0\ ~ / / J I I I I I I
RTH SIDE OF THE TREE IN THE - - - - - - - i / NO / / NURSERY AND LOCATE TO THE / ~ I I ~ , ~ ~ / I I I ,~~II
NOR1H IN THE FIELD - - i
/ / 0
/ / / / / ~ I ~ ~ i it I I ~ ~6
AND TOP OF ROOT DO NOT STAKE TREES / ` , • TRUNK FLARE EXCEPT WHERE SPECIFlED BY / / ~ I I 3s-.J€-'~ / / i~ S it I
BALL SHOULD BE AT GRADE IN \ I UP TO 4 LANDSCAP EARCHITECT. IF / \
WELL DRAINED SO L, STAKING IS NECESSARY, USE , INCHES 10 CM) ABOVE GRADE IN / ~
( TWO OPPOSING STAKES WITH POORLY DRAINED SOILS / EXIS'(1NG ENDWALL SEPERATE FLEXIBLEIIES. INV. OUT (36"/RCP) = 289.83 \
REMOVE STAKING AT EWD OF / / ~ ~ ~ \ \ EXISTING 70 LE ~ i ~ i ~ ~ r r / ~ ~ ~j1
FIRST GROWING SEASON. f / / / \ ~ ~ RCP ~~s4% ~ ' ~ ~ ~ X ' i ~i r~
NOTE: WIDTH OF PLANTING HOLE " / \ i' ~ SH9B = CIRCdLAR ~ / ~ i r ~ i ~ /'tij~ ~ O
ROOT BALL DIAMETER 4 (10 CM) RAISED RING OF / / IS 3 TIMES Y \ r ~ MOTERNAL,Df~lENS10J>~-- 5 FL~PJ~AMETER i / i r
IN HIGHLY COMPACTED OR CLA SOIL TO DIRECT WATER INTO / SOIL; 2 TIMES THE ROOT BALL ROOT BALL -ESPECIALLY / ~ ~ \ ~ i ~ / / ~ ~ ~ ~ ,'TOP~F~RISER =1297.85 / r r / ~ , ~ i ~ / ~-+w ~ i ~ r INVERT OUT%(S~6"0 O~R1NG RCPa- ~ 290.9 ~ ~ i' ~ ~
° DIAMETER MINIMUM iN ALL OTHERS. IMPORTANT IF TOP OF ROOT / / ~ ~ , ~ ~ ~'SIPHOIJ. It~VERTy293.00,' r ~ / , ~
BALL IS RESED ABOVE GRADE. /
2" (5 CM) BARK MULCH; DO / `
NOT PLACE MULCH IN ~ CONTACT WITH TREE TRUNK.
'
EXISTING PRUNE PROPORTIONALLY TO
COMPENSATE FOR REDUC110N o ~
TAKES INTO OF ROOTS AND TO PROMOTE EXTEND S
DIG WIDE PLANTING HOLE WITH UNDISTURBED SOIL NATURAL CHARACTER OF GROWTH TAPERED SIDES ~ ~ 1J I ~ A
/ • " r - SHRUB SHALL BEAR SAME RELA-
CUT .BURLAP, ROPE AND WIRE 4 6 ,10 15 CMl DEEPER lIONSHIP TO FINISHED GRADE FROM TOP AND ~ ~ THAN ROOT BALL FOR NG GRADE BASKET AWAY ~ AS PREVIOUS EXIS11 SEEDBED PREPARATION GRAPHIC SCALE
~ AS S OF ROOT BALL. / ~ ~ \ LOWERED PLANTING HOLE SIDE
~ DED WI1N POOR NEE CUT & REMOVE BURLAP FROM / DRAINAGE. 1 /3 OF R00T BALL 1.) CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL 20 0 ~0 20 ao O CONDITIONS, IF AVAILABLE.
SET BALL ON UNDISTURBED SOIL 2.) RIP THE ENTIRE AREA TO 6 INCHES DEPTH. 1 inch = 20 ft. ~j
TO PREVENT SETTLING PACK BACKFlLL SOIL AROUND BASE OF 6~ STABILIZE• ALLOW REST 3" THK. MULCH LAYER MIN. FORM 2" DEEP SAUCER ROOT BALL TO , 3.) REMOVE ALL LOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE F1~
OF BACKFlLL TO SETTLE NATURALLY, OR REASONABLY SMOOTH AND UNIFORM. 4.) APPLY AGRICULTURAL UME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND MIX
TAMP LIGHTLY. WITH SOIL (SEE BELOW#).
5.) CONTINUE TILLAGE UNTIL AWELL-PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS c~ ~
BE PLANTED CLOSE TOGETHER .SUCH THAT THEY WILL LIKELY SHARE ROOT SPACE, TILL IN i\~j/\ WHERE SEVERAL TREES WILL TO A DEPTH OF 4"-6" 10-15 CM OVER THE ENTIRE AREA.. y / MIXTURE TO BE TAMPED SOIL AMMENDMENT'S ( ) PREPARED 4 TO 6 INCHES DEEP.. 6.) SEED ON A FRESHLY PREPARED SEEDBED AND COVER ~ rxo~scT xo. MER-07000
HAND TAMPED 7.) MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. ~N~ER07000-PD1LS
HAND TOOLS TO PULL THE ROOTS OUT OF THE OUTER LAYER OF PLANTING MIXTURE ~ 'f~'~~-~" ~ • //j FOR CONTAINER GROWN TREES, USE FINGERS OR SMALL T11NG SOI • THEN CUT OR PULL APART ANY ROOTS CIRCLING THE PERIMETER OF THE CONTAINER. ' / SUBSOIL BROKEN WITH PICK 8.) INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRo OR RESEEDINGS 4YITHIN a ~ ~ THE PLANTING SEASON, IF POSSIBLE. IF STAND SHOULD BE OVER 60% DAMAGED, ~ ~ e` DESIGNED HY: -
PO ~ - i PART APPROVED REESTABLISH FOLLOWING ORIGINAL UME, FERTILIZER AND SEEDING RATES. SEED LIGHTLY WITH q ~ ~ ~ ''b'°l DRARN BY:
1H DESIGN PHASE CONFIRM THAT WATER DRAINS OUT OF THE SOIL; DESIGN ALTERNATIVE DRAINAGE SYSTEMS ORGANIC MATTER DURING E SEEDING EQUIPMENT' OR CULTIPACK AFTER SEEDING. 's' ' -
AS REQUIRED. VARIES n.n~rr ulTlT cnu 9.) CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT AND FERTILIZATION pt ~ s 3t SCAi.Fe AITC
~r rnrna rvniivr- wiL. INUt KUUI BALL NLt AFTER PERMANENT COVER IS ESTABLISHED. x 114 1,
THOROUGHLY SOAK THE TREE ROOT BALL AND ADJACENT PREPARED SOIL SEVERAL TIMES DURING THE FIRST MONTH AFTER PLANTING AND REGULARLY THROUGHOUT THE FOLLOWING TWO SUMMERS. - 1/2 LB. 10-10-10 FERTILIZER DATE. 1-23-2008
PER CU. YD. OF BACKFILL OR
APPROVED SUBSTITUTF. smTPD-lLS-1
TIN N TREE INSTALt.A 0 SHRUB INSTALLATIO BALLED 8t BURLAPPED
SECTION SECTION WiMeADAMS
NO SCALE NO SCALE FINAL DRAWING - NOT RELEASED FOR CONSTRUCTION