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Buffer Averaging
~it'e ATO. 15$54-(1Q1-f1t7 r are f r~ cif°s~ rc~ tier, etra ireeei ~ ie treat a a, a~ iz~ t ti 8 is re are ~ eers, i 1 ~5 c~a ri a rime r~ a ~ s ~ (3 i eer~~ ~ ~ etl~ roe ~irc>! er~tal pie tint :LAB:~i (~R~II1I51I53 ~4€~011~41Fina1s13.5P5444140R2.doe I7isciaimer. Any electronic form, facsimile or hard e~ap}= of dae original document ~cmail, text, table, and(or figure), if prouided, and eery attachments are only a copy of the original document. `l'ire original document is stored b3+ ~'xeoEnginecrs, Inc. and ~~ill sere°e as the official document of record. ~og}~rigtstU~ 200 by t~aeoEngirzeers, Inc. Ali rights reserued. L. T ~qe fro. ih1°f`C~CTlC?~f ...................................................................................... .....................................................1 i,lF~ Fl~t~~fiQ~l ......................................................................„.,... .......,..,...,..........,...........................1 i,1F~F~ Ai=FZ~,GI C~ ..............................................................o.......,...... .....,...........,........,.......,..............,...2 ~J~~' LC}A~fl(~1~ .............................................................................. .....................................................2 F'F~C)F~~S~~ F'~C?~~i~ C~~~F~IF'~iC~D .................................................. .....................................................2 `~~L ~ AiVt~ l1Ff2 C?E~~I~lC~l~S ...................................... .....................................................2 ~~L Ct~~&C .................................................................................. .....................................................3 s~il~ ....................................................................................... .....................................................3 eetfic~n ............................................................................. ..................................................... Iildlife ................................................................................... .....................................................4 iJF~~~ 9~~[~i.1G"1"IC? a ARID Af~I~iC36~1 a ............................................. .....................................................4 t.l~F~6~ Aif~i~AC.~l~lt~ F'LA .................................................................. .....................................................~ GC3 ~Ll.11t~} .......................................................................................... .....................................................5 !~E i`~AT4C~ ........................................................................................... .....................................................6 F2~~~~~i~GE ........................................................................................ ......................................................~ L~~ cif ~i ~~ Figure 1. l~i~inity flap Figure 2. Rlatie~nal 1~efiiands inventarry ~p Figure 3. €~i1~ tarvey yap iGi~ Appendix ~ - bite ~i~n by F~etr Engineering Appendix - ifie F'h~traphs ripe ~'o. ISb'S<P-C~~I~Ct(t ca~,~ ~ ~aECPENGIEEE?S fJeAOI?er° 2fi ??Q6 ~° FFF ~ ~ L. ~1'.A~. ~ CAS ~ ~'! L ifl. P E T° t 1°E~ ~ FF F DTI "pariara buffers perfs~ ~azay prz~tecti~re fui~ctia~~s fczr asss~ciated stz~eazz~as car creeks, Buffers prczvide specifzc ~~Fater ualztg~ protecti~xz ti~~-~u~i~ disptacezxzez~t az~ fiitez-iub, and specific habitat features suckz as Fiilife corri€~rs {11~ulaoottii et al, 1996. ipariaz~ buffers trap pc~llutaz~ts prig tc~ ezaterizag streams ar creeks izz~pro~irzg eater duality ~~%it~isa surface water features. °ile t~~o. 1554-(zf11-(1t~ I'~~+'e ~ ~Ef}~NGi~IEEEtS f (?etober 26, 2CkQ6 L L. ~~i~ ~ atic~ QcfQ~~r 2G, ZQ06 DTI t 'fe f~nctic?aas and ~ralues of tae buffer and ~'elna ~`ree~. are neat expected tc~ be adverselvrnipacte by tlae pr~p€~sed buffer reductica~ala~~erain~ effcarts dare tca the vegetative quality ~f the buffer area (~ppendi~ ~ - I-'k1e Ier~. ts~ss~~-~~~-r~o ~ ~;EQE~~~~~~s CJet€~~Zer 26, Z~C?6 photographs 1 through ~. Tlae buffer s~~itlaiza the; reductioza area is prizrzarily cozaaposed of grasses and Scotch ~roozal and zxzost all of flee zaatural ~-egetation has been cteaz-ed ~/~ppendix - Photographs l through ~. The most prevalent vegetation class noted throughozzt flee buffer ~~~as hez-aceous grouzadcover~ The proposed Coffer zaaodificatioza will provide as great or gz-eater fuzactiozas a~ad ~=aloes to Xelna creek azad. its buffer which is essezatial iza za~eeting the goals of ~ ld-.08.10 {~}(6}c~ rcgaz°din~ buffer a~Tera~ing. The additional square fact of buffer will provide additional oppoz-tunities for wildlife utilizatioza, Azad natural screenizag of pollutants azad sedizaaents frozaa roads and residezatial homes increasizag buffer fazzactiozas d valuesa ~U1=F~~ AVEF~A~I~+~ P~,AN according to the ~ 14.418,10 (~3~h~(c~ a buffer averaging of up to '?5 percent is allowed. administratively. The reconazaaended buffer for the oza-site '~elzaa creek is 1541-fact from the ordinary high ~~rater mark of the creek, Tlae applicazat proposes to reduce tine buffer at ozae location to accommodate the proposed developrzzezat. buffer additioza and ezalaanceznent is proposed to incz~ease flee function of the buffer frozaa ~~~laat would e:~ist ~~~ith the standard buffet-. I ~eol~ngineers biologists perfo _ ed a habitat characterzzation of the site to idezatify areas of high azad lo~u- quality habitat in the wetland azad surrounding buffer crease The portions of the buffer proposed for reductioia, through. a buffer averaging plan, arc not expected to be adversely izxzpacted by a narrov,Ter buffer due to the lour-quality of the buffer and the plc ed vegetative enlaanceaent within the rezaaaining portion of the buffer. Tlae z-educed buffer area vas calculated. to be appro~inaately 5,04}0 squaz-e feet. Tlae buffer averaging plaza proposes to relocate portions of flee buffer to create 5,43 square-feet of additiozaal buffer. Thus, flee total az-ea contained witlaiza the buffer averaging area will be greater than that contained within the standard buffer prior to averaging. duffer widths will not be reduced below 25 percent ire accordazace with flee ~it~ of etz standards. ~t1~~o. rsss~-r)(~1-aQ ,F'c~e C~~aE~~rz~r~€s t~etober- 2G, ,'t~f16 1~' ~ao~aagiaaears lass parfo . ed this l~aaffea- Averagiaag Plan iaa general accordanea with the seope and limitations of our proposal, ~~ithin the iiaxaitations of scope, schedule and budget, our saa~7icas hays bean executed in accordance ~vvitta flea generally accepted practices for tt~uffar Averaging Pisses in this area at the tixna this report v~Fas prepared. I~lo aa•raaaty or other coaaditions express or iaaapliad should be understood. `T`his report has been prepared for the exclusive aria of Pacific p'rontiaa• t.,I1C, authorized agazats and regulatoay agencies follosuing the described aaaethods and iaaforaa~ation available at the tvaaa of the vfork. Igo other party array rely oaa the product of our services azaalass ova agree in advance to such ralzance iaa ~~•riting. Tlaa infornaatiora contained laarain should not be applied pear easy purpose or pro~act except the one originally cozateaaaplatad. ~iae appiicarat is advised to ceaa~taet ail appropriate regaalatory agencies (iocalF state, and federal} prior to dasigaa or constructioaa of any davalopanaaat to obtain zaacessaty permits and approvals, Ba,affar boundaries, classificatioaas seed discussions are based oaa our uaaderstaaadiaag of ties local, state, and federal regulations, and site conditioaas at flee t° a of our worl~. his Cit~p of eiira, 2045. alzaa unicipal Coda. `t'itle 14, Chapter 14.0 ~'titical Areas and l~.asource Lands C3a•diraance. i~asbo at, A., t'ogaaa, P., Laa, ~'., and folff, Iol, ip94. agatatad buffers in the coastal zone: a suaazzn7aty revia~v and bibliography, Coastal I~asouaces Cantata University of ode Island Ctrada~ate Scixool of CJceanogaaphy, Technical t~apott 2(364 Thurston County Conservation t:?istrict 2046. "i'lant t~escriptions'~. htt ://~vzu.turstoncd.coa~1?id=95 ~Accessa t)acaaabar 22, 2005 and ~3ctobea- 15; 2046 j. United Mates t~apaanent of Agrieultura - natural t~esourca ConsartTaticara Service. 2441. t-tydrie Soils List of Piarca County .Area. C3ctober 20(11. ~7nited States i~eparknaent of Aga-icultazre -Soil. Conservation Service. 195. t~adaral P~agistet, 7113/94, dol. 59, No. 133, ppa 3564-3, __ I'~le Iu'o. 5854-ra~~-yin ~°~ ~,aeQE~Gira~~Rs t~etc~ber 26, 20?~ ~dt~ Rio. 1sas~-00,-00 ~''~ ~ CAE®E~c~~~s Ccto6er ~6, 2006 __ _ _ __ !-,.,~ce~~,~;-rt~ Graf t5~2}: Qr SE ~ u~ s, u~~~ cn O ! `r Carta Ci SE ua ~~ti~'• ~, c~ ~' o ~ - ~ c~ a ~ «. ex m Cn ensnn ~~ SE m 88th E1e~e SE ~ ._ c ', u l~ie~v Dr c rn w E ^-. a ;;~~ ~ cn ~ i ~ - ~ ~ } a PenPerid4e P~ S~ ~' ~ ~ ~ 4 ~ u: ~ ~ « ~ ~ a2~ ~~ ~~ ~ ~.; u - c ~ w ~, > ~ ~ ~ ~ ~m s U c, «> G; -- °3rd Ave SE ~ cn m ~r ~. ~ T~ ,~ <= - c~ c1 .,, ~ '~ 11.E ~~ ~F,a €`G ~ eta y'o~. ~J~ ~%.~. `~O ~a~ ~ a~-1' 81G, ~a ~' 1 fFLtCSPJf1 ~'+`JUfTtt/ E` 4'~~~ o```~~ P`itt` ~ 4~,~ ca ~~ ria ~ "~?y e~ ~ ~ ~~ ^. - +r w - ~ ~r ~,, 'sF `~ luathcesE e ~ ~,~. fahgmire Sf SE- u~Jl m ~ -c ~~ P ro ~ l~ ! h F~ I ~~ -is t ~ ~ G ~I rt~u r~+A ~ l ~~~t, r] ~ N ~ r ~ ~ ufi ~ ~ ~'~' ~ 6righton St SE .,. ~ ~ - ~`~ ~, ^Z~ ~ ..., r- a ; __. .1g3rd Ave SE r '}~, i~ . ~VV ..L~ UP ~, .y~ 105th lrtEay SE t . _ ~ George Fd SE ,~~, ~ .~ ~ ~o ~~ - -Pox Hill RdSE- I ~ ' ~ 7 a x ~ ~, - . ~~ ~ ~ - .IClnthlt.Ye SE : „rn ~~ ~ : 6~ ~ _: , I ; .; ~' '~., Notes: `° 1. The locations of a(6 features shown are approximate. 0. 2. This drawing is for information purprases. It is intended to assist in shat~ring features discussed in an attached document. GeoEngineers, Inc. '~ can not guarantee the accuracy and content of electronic files. The master ~ file is stared by GeoEngineers, Inc. and vuill serve as the official record of this communication. ~ 3. It is unlawful to copy or reproduce aBl or any part thereof, v+fiether for ;~ personal use ar resale, without permission. ~" Data Snurces: ESRI Data & iu9aps, Street (daps 2005. ~ Interstates, state routes, and roads from TIGER 2004. ~ Gounty boundaries, cities, and waterbodies from Department of Ecology. LambeR Conformal Conic, V+Jashington State Plane North, RJ orth American Datum 1983 ~~ ,>ti- °~ ~ 4 0 Feet wn Notes: r i. The locations of all features shaven are approximate. 2. This drawing is far information purposes. It is intended fa assist in showing features discussed in an attached document. GeoEngineers, Inc. m can not guarantee the accuracy and content cf electronic files. The master a file is stored by GeoEngineers, inc. and veil{ serve as fhe aff'sciai retard of Phis communication. ~ 3. It is unlawful to copy ar reproduce all ar any parf thereof, whether for ~ personal t!se or resale, without permission. Data Sources: U.S. topographic map Pram National Geographic Satiety (obtained Qctaber 20DG}. NRCS soils data from United ~ States Department of Agriculture. += L h rt C f (Conic wasf~in~ton Sta#e Pane North North Americzn Datum 1983 1,400 C'a .am _e on arma ~ ,~ ~.... .., ~ _„~ , ,u~ ..tiM.. >..~.a~ w.. .~~.~w~ ,~x~ .,~...~. a.~k., ~ ...~ .~.~ ,..~. W,. ~ ~~ ~ ~~.n.em.,~._ _ _.. r+a ffi~trTF%- ~Y 1144°E6t4it it X~tl L '#'X A'~'f `~ . • -,~ ..;_ ~ ,: :: ~ ~. ~ ~ i p yy~y'r~!°q ~ 77 g°'y ~7' I95 77At? ~ !~ * ~~ ~ ~ 'P ~~~~~~ffi ! f _~ ~=save ~ ~r ~ ~4~ ~~ t~ w ~~ .~ '~ ~~ r~ ~ ~ ° ~ ~ ~ ~~_ j EE I; t11a ;~° ~ 5'~J ~h `~, 4 ~ ;cis ~` ., `' ~ i ~ "ten "' ''"~ ~ . j' ~ ~ ( § Ev ~~~ ( ti~ ~a r 1 ,~ ." 4Q, ' T 1c . ~~ ~'` e; Q ,~ .' .._-~._'~` jar !~ ~ ~ 4 j S . _ svc x' t ~'"!~ pw ~ ,~ X '~d~r 831 ~~~ ~j ,~ z ~'~ fi ~ ~ ° " °h Q ~ ~ ~-{ tr ~ CP ~~ ~ f1~ C.9 ~ , ~ ~ ~ ~ ~%•` I!!, ~ i a ,~ d ~ ,~ ` ~ ~ ~ , ~ ~ -~ f'- p t z ~~ j'~c b 1 i~ n t ~ (~~ ,p e.L_.1~4~..: k °.r 7 t d t gg ~ v ~,sa ~~ ~ ~ ~ ~ eo£~~~' U~-` i i °~ ~?h~~ta~-aph 3 gaffer Enhancement Area; area ~f pa-~p~ssee8 hraffer Inca°ease loL~kan~ east fi•~pn aar~rth end ~f pa-opert}~. OcfieE~EZr 2G. 2Cf16 pl~~t~?~raph 2 ~nffer ~.ec~amcti~n Area: lc~okan~ s~aath~?est f~•~~na ~el~i~ ~.rc,ek al~~ng access read and fence that basects pr~~pe~-ty. ~'.h€~t~ga•ap~a 1 t3uf"fe~• I~edt~cti~n Area: 1c~okin~ east alt~ng access ~-s~ad and fence that ~aisects prc~pe~r. ~hetc~graph ~ ~z~ffer Enhance~raent A~•ca: area ~f prc~p~sed Laaffer i7~crease l~tal~iaag seaaatheast fr~rn nQrt~a end of prc~pc.i~ky. ~'~c~t~~ -~~h ~ L~aaffer ~aaI~aaac~canealt urea: a•ea~aairaiA~ biaffea° (~~er z-educti~xaj t4~at will ~e ~lalated with ~~ative ve~etataoal. Plaotogra~lr 7 I3az~fer ~rahancea~tent: invasive s~eeie~ renaovat aloaa~ creet~ as ~~aewed fa-oa~a ca-eel. bed. ~1~©t~~gi°~ph C T3aa~fer ~aalaaa~cea~~ea~t area: baaffer area t~ be lalaa~ted alc~a~~ ca-eelc as vaev~°ed froaai pa-~hea-ty l~eki~g ~-as~a-th~vest along creed. ~'hoto~ra~l~a ~ ~a~~~er ~nlaancea~~eaat: invasive s~ecie~ removal aloa~g creek. at not~th end. as viewed fa-orrt c~-ee1~ bed. FireFa_ f78S-~-Of71-€~d7 Ct~~"5~~; ~~C4~RIGINEEEt~ Clcfaber 2~, ~ FJ06