Loading...
05-0657 stormwaterreport-011707 ~.,}; r~ry 1 ~' P€RES 227.0 I 1 P i` Y'Ir T~awer~ t~t~rr31C~ trr~trcin ~I i near , X007 J ~ T d F' R ~'~ cats: F~~t EllE 1 G SCE C`r t~riiic~ pity cif l°I i~at PART ~ ~- DRA1ltilAGE l~ N ....................m........,.,..,,,............e.,.......... Section 1 - F~fopased Pf(3Ject Descfiptis~n ........................................... ~ Section 2 - existing Conditions ........................................................... Section - lnl~€ltfation Rates/Soils Repcart ........................................... Section - Jells and Septic Systefns ................................................ 5 Section -Fuel Tanic~ ........................................................................ Section i~S -Sub-Basin Description ...................................................... Section 7 - analysis of the 1Q-Year Flood ......................................... ectton -Aesthetic Considerations for Facilities .............................. Section -Facility Sizing and Donstrearn Analysis .......................... 6 Section Q- Covenants, C?edications and asrnents .......................»... Section "~ ~- property QT7Gfa ASt)ciatl€7n Articles C?f lncofporatcan .,. ~~~ ~~ ^ ~ '~~.., ....a ...................m...,........_....,... Section 1 - Requifed l~~aintenane ...................................................... Section -Responsible Organization ............................................... F3 Section 3 -Vegetation Managrv~ent Plan ......................................... Secticsn -Source Control ...................................................A....,,......1 APRNDICES Appendix 9 Storm Drainage Calculations Appendix Drainage Phan Appendix 3 FMA Map Appendix 4 Facility sufnary Fcarrr;s Appendix S sail Evaluation Report Appendix 6 t4rtainfenance agreement Appendix ~ Vicinity Map ii Y~I ~Tcrn imi~?naes Find ~raina~ Re~sarfi ~`°~%[~?"3 i ~kvi`S C?C3tr:;; ,~?e~s~ sJt~ l ~~=~,.° 6.7s.'C-€°? T ~ - CAI 1~~S PR.. i L,c~cation The project site Is located in Yelr~, rill€ngton solltlleat of the intersection of ongire street 5 and E~erry galley Road in Thurston bounty, ashington. Access to the site is from onire street . ter. rains a rave en The total site area is ~. Acre, The existing site is partially developed with an abandoned single-family residen located on the north corner of the property, The post development drainage basin breakdown of the site is as follows: . sores of impervious driveways acres of roof area acres of disturbed pervious area planter stripsllndscaping) .tor star Trey sn In~itratian: Ito water treatment requirements are based on the ~ gg edition of the St?E Sto .water anagement anual. Treatment calculations are provided in Appendix 1. tormwater treatment ill be obtained y utilization of an Aqua shield Aqua-Swirl"' application {approved y the l~epartrraent of ecology's "merging Technologies P~ ons~~~n in~,= Program" t~LI~, for ire-treatrr~ent), The Aqua-wir[~~' onentrator neyane I^l~w l~i~erion tern provides fall treatrr~ent for the roost contaminated "first flush,,, whip the cleaner peak storm flow is diverted and channeled through the main conveyance pipe. °~~ - ~~ Arta ~~~ ~aT The si#~ was served y single well and a single septic system. The well and septic system i#I e abandoned and removed in accordance with DBE and Thurston bounty Department of Health rules and regulations, ~'F ~~su~fi`sn n€n~~r~ Jr~s 1 ~3 cT1oN ~ ~{ A review of the id's t,eaking Underground storage Tanks SLUT) lut did not indicate the presence of any existing or abandoned fuel tanks on or near the project site. cToN - c1- ~ c»T~oN The project site is located within the isqually Fiver atershed and the ~(eim sub- basin. There is no significant eft-site rn~aff tc~ the rQjet site, The proposed development is being treated a single drainage basin for the purpose of this study. Ail runoff will b infiltrated on-site. o handling of hazardous materuu on this site i anticipated. ~'~ 7 s NA~.S~s o Tt~ 't -~`~ F~.c~c~t~ The site is found in ~ A F~iF2 panel gg~A, aii of the subject property is in zone ~C. This is an area determined to be outside of the 5C?-year flood plan, Thrs project does not contain a stream onsite. A Pig A F'IF~ map's inciuded in Appendix 3. TION - ESTB~Ti f.?NSIDRATI®NS FoR AC~L9T3S Aii disturbed pervious areas viii e vegetated and landscaped during construction, A landscape plan viii submitted and approved prior to construction. Underground storage viii occur with the infiltration trench and therefore fences will not be an issue. c°TION - FAC~I.~ ~~ AND o NSTREA NA~.ss Qetailed storm drainage caicuiations are included in Appendix °i of this report. Ali on- site stormwater runoff will treated., stored, and infiltrated on-site. Calculations for sizing of facilities are inciuded in Appendix . since aii stormwater will infiltrated onsite, a downstream analysis was deemed unnecessary. '~~ ~ ova ANTS, ~lcATIC3 ANC} ASS TS i~rainage facilities including the infiltration trench and Aqua-wiri treatment device will require routine maintenance, The maintenance manual prepared for the project lists the maintenance requirements, fee Part iii ~- aintenance Plan of this report, Ti ~- ~o~~T NCRS ssociATtoN RT~~ 1NCO~PO Tlt)N in light of the residential nature of this project, special covenants covering landscape, maintenance, signag, stormwater, and site maintenance may b put in piece at the tune of final putting. The i-iome wners Association andlor their representatives will perform maintenance of these private storm drainage facilities, ~i T~ar~ I°ic~~~ Fina( drainage Report ~`~;~~1`"': t- r,,rR 1'°,~ ~«.,, s" I€,,t~ ~.°`cs!;'~~w eta .`.,`.. ~,. ~. The proposed project will include an erosion control plan designed to contain silt and soil within the project boundaries during constr~€ction until perrr~anent vegetation and site irr~provents are in place. rosionlsedientation control will be achieved by a combination of structural/vegetation cover measures and construction practices tailored to tit the site. Best construction anagent practices { 's} will e employed to properly clear and grade the site and to schedule construction act~v~t~es. store any construction begins on-site, erosion control facilities :shall first be installed. The planned construction sequence is as followa ~' c~~s~Pt`=n~ r~irse~r~ `~ cur 1~; ~~3 T ~ - oNTRO~. F ol.l_t~"~~+efVTS F~~f~ T~~1 [ hEs sshou# from come#e #rucks shall no# e dumped in# the #orm drain, or on#o soil and pavemen#, onrhich carries s#o wa#er runoff, 1# shall be dumped in#o a designs#ed area #o e la#er ackfilld or hardened and broken up for disposal ~n#o a dumps#er. The on#rac#r is required #o designs#e a ~rashbo~n area for eipmen# and concre# #rucks. F~F r~~uik;s~ ~ir~°er ~,. Jru ~ ooE Yelrn 7can I-la~s Final drainage F~Aport T~ ~~le on-s&~ srrTi draEna #Iltes W~ii require ccsloni ~TlinfE'nnce. T~1 fo~~oWln is based on rr~iniru requirements as set fore in tie rainage design and Erosion control anual of ~'buston Gounye The required maintenance and frequency of maintenance are as follows: ~'F ors~a~ti~sm, ~~ir~e~r~ ~fr~t~~t i~q C~C~$ Yel Taman Hor~tes Find f~raine epor3 4{PFF Gcansulting Engineers January 96, 2g{~? Yel Town Nornes Final i~rainage Report 3 I ter f"1. t ~e tt Maintenance Checklist €or conveyance Systems Pipes and Swales) Freguenc ®rainage Req Problem Conditions to Check For ___ conditions That system 'd Should Exist Feature M,S, Pipes ~ .. .Sediment &~ Accumulated sediment Pipe cleaned of all ~ debris that exceeds 2f~°l~ of the sediment and debris. diameter of the `t e. [ legetation Vegetation that reduces All vegetation free movement of Water removed So Water throe h ~ es. flows freer . A ~' C~amaged Protective coating is Pipe repaired or {rusted, damaged; rust is using replaced. bent or wore than Q°Im crushed] deterioration to any part of i e. ~~ Any dent that significantly Pipe repaired or impedes flow (i.e., replaced. decreases the cross section area of pipe by more then 0%~ . ,J _ Pipe has major cracks or Pipe repaired car tears allowing replaced, roundwatr leaks e. M.S. Swales ~ Trash lumping of yard Wastes Remove trash and debris such as grass clippings debris and dispose as and branches into Swale. prescribed by County l~sightly accumulation of Waste Management ratan-degradable materials Section. such as glass, plastic, metal, foam and coated a er. ~ Sediment Accumulated sediment SWa1e cleaned of all buildup that exceeds % of the sediment and debris design depth. so that it matches design. ~ vegetation brass cover is sparse Aerate soils and not growing and Weedy or areas are reseed and mulch or overgrown With woody bare areas. Maintain overgrown vegetation. grass height at a m~n~mum of 6°' for best stormwater treatment. Remove Woody growth, recontour and reseed as necessa ,S ~ Erosion See ponds checklist See ponds checklist damage to lfi+F~~B^~SFi~o.}n~~-*su~l9t/iyn#y~g Engineers __ ~ ,~anuar~ 6LDp i'.6d4d? Yeltra l'v~~n noes Fina9 Clreinage epcart onerS3on ___._ 1Nale had been ~ilied in ~~ possible, Speak With by home ~ cr b3oked by Shed, hQfTIC)EVELC)PER ~..~~ oodp~l, shrubbery. and request that Eli tca aie aces be incorpatil restored. Contact City ~; use to report problem if not rectified voluntarl . v~ ~vle saes tr Stands ire morale or A Surrey may e not drain floes velocity is eery slog. needed to check ~ stagnation occurs. grades. Grades need to e in 1 °lQ range if possible. If grade is less Ld 64tH ~ ~~(}9 ay need n s m nd r dr a ~ {p {~+^ ~~++ } j ^9~~9y s~ pp ~ ttF bG Fn e3 {.4ARIMIA. ~Cf'F~ consulting Engineers January ~6, 2(107 Yeim Tawn Harries Final i~rainage apart TTACl~ EST .,~,. Maintenance Checklist for atc asins and Inlets Feature ., [drainage ysterr~ Feature general Trash, debris and sediment in or on basin Conditions to Conditions That should Exist Trash or debris In front of the catch basin opening is blocking capacity y more than 1 {3°fa. Inlet and outlet pipes free of trash or debris. t1 tructurai damage to frame and6or top slab Cracks in basin wallslbottom Frame is even with curb. Top slab is free o holes and cracks. Frame is sitting flush on top slab. Basin replaced or repaired to design standards. Contact a professional engineer for evaluation, No cracks rr~ore than 164" wide at the joint of lnlet6outlet pipe. tCFF ansuifsng Engineers 94 January ~ 6, 2{}47 Yel ~c~wn Foes Final drainage ec~a~ ~! ettler~entlrni basin has settled more Basin replaced or s~al~gnrnent ~a tk Marx i" ~r has ro r~a~red to deMgn # r than ~' ot3t o Standards. contact a alignment. professaonal enganeer for vluatEOn, . ,. v Fire hazard car I~reSence of cher~~clS o color, odor or other poBlution such as natural gas, oil sludge. Basin i dug and gasoline. out and clean. C?oxlous color, odor or sBud e noted. cutlet pipe iS ~legetation or roots o vegetation or root clogged with growing in inlttoutBt geowth present. vegetation pipe points that is rrtore than "' tall and Bess than ~+ee I~PFF nsuBting Engineers 11 .3anuary ~~, X007 Yelrn Town domes Final Irainag~ €~cort 1~ CH ANT •~„ Maintenance Checklist for Grounds Landscaping} Frequency .s, M M Drainage Req'd Problem system Feature Cameral Weeds nonpoisonous] safety hazard ~ Trash debris buildup in open space issing car broken partsldead Erosion vegetation Trees ~1 Darrtage and shrubs Conditions to I=car Erosion has resulted in an opening under a fence that allows entry y people or pets. shrubbery is growing out of control or is infested with weeds. Trees or shrubs that have been blown dawn or knocked over, Trees car shrubs whit! are not adequately uppcart car are leaning saver, causing ex Dears of the roots Conditions That Should Exist Weeds present in less than 5°l0 of the landscaped area, tVo poisonous vegetation or insect nests present in landscaped area. Remove trash and debris and dispose as prescribed y City Waste Management Section. Fence is mended or shrubs replaced to form a solid barrier to entry, Replant tree, inspecting for injury to stem or roots, Replace if severely Place stakes and rubber- coated ties around young treslshrubs fear support. I~PFF Consulting engineers January 16, ZoCa7 1 Ylr~ Tcavvn H~s~s Final Cara€nage e~ac~rt ('FF consul#in Engineers ~~ Jar~uar+~ `16,,407 lrn Tcr~ Homes Fsnal €~rainae e~xart CH E[dT ",~•" Maintenance checklist far Inilratiar~ Syst+~rs Prague I~raiae ncy aystem Feature general l~ect'd Problem Trash debris Paisonous vetatian Fire hazard ar pollutian ftadent holes Insects 'Tree rawth ~anditians to check Par Canditions That Should exist emoved trash and debris and disease as prescribed by City Waste Management Section Insects destrayed ar removed from site. Cantat Gaaperative Extension Service far guidance. Trees do rtot hinder maintenance activities. Selectively cultivate trees such as alders far fireweed. fCFF tansultin Engineers "~~ anuery 1~, i*lt}7 Yelr~a Town 1-lornes Find C~rainage Report ,~ Storage ~d Sediment ~ soil texture test Sediment is removed area buildup in indicates facility is not andlor facility iS cleaned system working at its designed so that infiltration systerr~ capab~lttses or was works according tC? incorrectly designed. design. A Sediment trapping area is installed to reduce Sediment transport into infiltration area. ~' Storage area A sail texture test Additional volume is drains slowly indicates facility i not ~ added through {rraore than working at its designed ~ excavation to provide hours) or capabilities car was needed storage. Sail is overflows incorrectly designed. aerated and rototilled to improve drainage. ~ ~ Contact the City for j ~ information on its I9 requirements regarding I excavation. ~ Sediment Any sediment and debris Clean out sump to ~ trapping filling area to ~g% of design depth, I area depth from sump ottoral to bottom of outlet pipe car obstructing flog into the connector ~ e Ce ~ Sediment Stormwater enters Add a trapping area by Time trapping infiltration area directly constructing a Sump for area not i without treatment settling of Solids. present Segregate settling area from rest of facility. ; Contact City for uidance. M Rock Filters Sediment y visual inspection little Replace gravel in rock and debris or no water flows through Ater. filter during heavy rainstorms. S Infiltration ~~ Infiltration Standing water in Excavate bottom of Trenches failure inpection well after trench as necessary but hours after storm or at Ieast 3 feet. Replace 11 ovrl'iow during storrr~ with crushed rock. Check pretreatment System for effectiveness. Check tributary area for __ sediment sources. If you are unsure whether a problem exists, please contact the Jurisdiction and ask for technical assistance. Comments; 1{ey; A -Annual { arch or April preferred} M =Monthly {see schedule} After mayor storms FF Consulting Engineers .a o January 1f, X007 ~{PFF ~ansultin Engineers °~6 January 6, Q~7 Y~I T ~ Hey F'sr~ai C~r~a°snag~: FZeport Town Hc?rnes Final C?ralnage Report FI AL DFtAI (~E D~8,1<.cuL TIf3 The following calculations are base on the requirements contained in the ~ 992 11Vashington State Department of Bcology {t~vSl9{~B} Stormwater Management Manual for the Puget Sound Basin. DESIGN AND BASIN iNFf3R ATI Sll AI2l~`; call Dlasslficatic~n SAS Soli Classic tion; panway ~ 10} (ahon glacial recessional outwash (vr}} I~ydrologic Croup: B Infiltration Rate; 20 incheslhour 1LE ~AI~G L I Ito .water Treatment: Ito water runoff `ll e routed through an quahild ~,ua-wir1T to provide runoff treatment as it pro eds to an infiltration trench with capacity to infiltrate the design storm event. to shed so are was used to model the runoff. Izln ~alulatlos; fee the following Stormhed so are modeling peak output for the design storm event: Desi n Stara 2 hour Leak but ut C~ 6-rr~onth C~ 2 r. o.1 s3 cfs --~ 0,3013 cfs 1 o r. . a cfs 1 Ct r. .773 cfs Infiltration Trench: The 1992 edition of the ~ tormwater anagement anual was used to size the infiltration trench. The manual rewires the 100-yearf24-hear storm event to in#iltrate 100% within hours, The calculations were based on the in#iltration rate of 20-inches/hour suggested by soil pro#essionals after investigation of the site. The C3ary's t.aw approach is used to demonstrate sufficient capacity of the in~Itration trench, =# *i* ,where; C~= flowrate at which runoff is InItrtl#iltrated by infltration trench #=infiltration rate of soil or infiltration media i =hydraulic gradient surface area of ~ #actor of safety of "two"' was applied to the recommended design infiltration rate of 20 inlhr, thus f=2 inlhr * .5 - 10 inJhr ° 0,83 hr The hydraulic gradient is shown by the equation: here h is the height of the water column aver the in#iltrationl#iltratin media and is the distance from the trap sur#ae of the F' to the water table or im sable layer. For design purposes hydraulic gradient i was set equal to 1, which made discharge independent of stage. ~.. ~ ;~' ~~ ~~~' ~ _ . ~ ~ ,, ~ t.~ r ~ ~~~ L ~ assume 10 feet According to ~torm~hed the 100-year/~€-hcaur stcarm event will result ire peak vcsl~rme taf 920 c#. Assumed bottom of trench elevation of 100'. Caesign void °f~ for drain rack is 30°f°. Accounting #c~r 2'" ~aerftarat i~ae total veld °f°=32.7°f° Using a ~k' 5'C} X15'L Infiltration trench: t base elevation 100' A=580 s#; {a} = X0.83 * (0+10)f10} * 580 = X481 flhr ~`Ir~ T~ N~rrses Final 3rinae FZepc~rt conservatively assuming infiltration rate by ottorr~ area only; f'/hr X48 hr = ,d~ f. ~ the infiltration trench will have the capacity to infiltrate 23,066 cf per -hour period, which exceeds the 100-yearl2-hour event volume of 926 cf. In the case of an event urger than the 2-hourJ1myar storm ex ssive runoff will back up into the drainage Swale and flow to the natural low point near the northeast property line. Pale I cif Appended n; 16®2®9'I' eaz°y, uy #~~ 2406 I.~~' ~ LUTE tnc~ Ulf _ using us uning C~1~ ocu ends a t#ingsl n ~ y ~ tst~trench ort.~g can T ux° ay, July , art ate Sian ~t l:I/o :.eats ettingslBe ley lac n~s~ct~~ rz.tn11 'Tf~4 P~g~ 2 of° 3 ervi~ surfaces avrr~ntsg r~c~fs, etc) ~ 4, ~c ~ X8,44 ~~ i'crvicaus C,~zx~~asitc ~) 86,17 LIST ~.T Y 6 canth gut] 2 scar e~ut [14(3 yr caut T~F~T T 'T [trench uut] I.a fibs//:OII?c ants d ttzs~ly T~cac ~slr~ 7161240 t'~~ ~~~ 3 er d: nh u rz ; ~ltratian trench Incr~~ eent 0. ft ~I, 10.Q ft ~ Iv1 E. 1Q.Q IOOQ ft ~,~~dth 0 ft IBC L'~' [inf trtaan] S'I'GN ~- I : infiltraian t?n rite ~nle ant ~ tl Descry 3~ _ _ „ .. . _. . . ~n{7~trc~t2021rate ~}_~~}{~ ~ ~ ~t~ll~tl~~ler ~.~}~ L,ieense t; s Inc. -~ C3iy~x~i e;Il~`:OI)cac ants and e ' siB v Teo ent~\scrtch c~n.h I 7/f(}O~a R ffR l I n =w, S V~ ~~ ~N r ~' I ~--, S t' - ~'l l; k I ~~fS r ~ f~ ~ c. o _ n ~ kI 3S _ I ( ~` v ~ S v 7 "C i{ ~ 4 ka i I V t9 a -u-c3. "' ~i~ ~ I t '~'~~~~~sj ~I r v7 ~~uio i , __ t'T r t! ~ _n ,, i ~ ~ - !t I, i i j Cf«d~fZ1E Air'E. ~ ~ ,~ ~ ~ o P i ~ - -- - ~. ~ - _ ry- - _ - I ~ -; ,, ~ _ ~ jj". .-" ,_~. - ~ ~ li ~ ' a 9~~~ ____-___-_ _._.- ~ 1! E , i '_,~r ~i at. j' ~{ t~ ~ ~ is ~ ~ S i k~ s~ t~z L ~ i',,~~-,f ~ ~f ~ a ;z ~ ~ s ~~, rn o>J ~ ° `~ -e ~ ~ ° & ~~ ~ a`~ ~~ {"~; ,:' ~ EEE (: I I ~ P.. - a~ ( ~- I ~ ~. .. "- i ~ ~ ~ Q ~e~- ~ Z _. _.. O m E E w _ .~ w _.._._._ ~ ~ ~ -- - ~ o E ---- ~c - a } Je ~ ,. P ~ r ~ c ~ ~- ~ _ ._ €~ ~ 5 ~~ ~ { s I ~~ k ~ it ~ ^- II _V P ~~ ~ ~ 3 ~ r"a ^Y,r az o ~ 'B~A~ ~~ ~_ J 3. ~ +~ i ~ g ~ ~ .:.. j 3 # ip ~ ~ I.. i ~ ~i -.~ _9 - --A.~ ~ if ~ ~ 2; m£ ~ s 6 j { ~ 1a 'h- - ~ N _ 41k ` :` ~ ~ ~ ~ 1 mm~ ~,~ ar ~ ,~.A, - P , ,; ~"~ '' , ~, ,_. - ~ ~. n ~~ C f~~ ~_a ~~ ` / . .f \; larC sJ __ } I ~ . : , ,. f, _ ~~' • ~`` ~ ~ I / ~ 1 i r - ~ rv Y~ _~ _ .. ---. -- _ __ _..__ II! I i i P x;~ j a~, ~~ n a~~~ ~ it ,r.. aW~ !~ ~ E i ~ ~, ~~- -~ - g 1 I Y F or~lete one () fear each facility (etentionlretentb~n, cc~lecinlate [ter, etc.) an the r~e~t i#. attach ~f etch shcawirt Icacation ref fac:l~ty. Proponent's Paciiity /Name or Identifier (e.., Pond ) . . . . ...........fi~t~~a-Swig( and infiltration Trench dame of Woad car Street to access Pacilitg~ :...... . . . ............. I..c~ngrs~ir St SE Hearings Examiner base Number'........... .... . . ........... . development Rev. Project lilo.f~3lg. Pe it No .:. . .............. . Parcel Number :........................................... 21724A10~Q Fart - Pr~a~ect Letira Sections) 24 township ~ ~ Range 1 illaette riian Part 3 - Ty~e of Permit glication ~'y~pe of permit (e.., ommerciat Bldg.); ether Permits (circle] ^~~P FIP.q CAE ~~C?E eflands C][1C3E Liam Safety ^FEMs~ ^Ffoodplain ^Slaoreline grnt RocerytRetarning all ^ EncrClllTJent ~ Gt"editt~' ~NP~?ES ~3ter fart T Facility €~escription -Aqua shield Aqua-Swirly l~odei s- Total Area Tributary to Facility Including ff-site ~c~~~`~.°........ a ... "I .~CD ~C Total ~/?-site Area Tributary to Facility (acres).` . ~ ........ . ........ ~ e{} c"3G Qesign Inaper~liotiS Area Tributary tE? ~G6}thy ~~Cf~S~ :....... . .. . .... {~.~J'~~~ design Landscaped Area Tnbutary to Facility (acres} :... . . .. . ..... . ~t,4 ac f?esign Total Tributary Area to Facllity ~acrea,~ :.................... ~ . e'3C F'nter a one (9) far the type of facrfity : :........................ . . etpond detentin ..............................a,.... met pond ouster surface area .......... . ... A ......... , .. . L~tty pond detention . ....................... . . ...... . .. . Underground detention ................................. lnItratronpond ........................................ ~lrywellEn~ltfe~tlC?n ..............A...,,................. Coalescing plate separator .................... . . ... . ... . Centrifuge separator .................. A..........m.,.... ~iofilter ...............w......,.....,...o........,.... C"ter ... , ....... {Proprietary f~euice) 1 Nutlet type (Enter one ~} for each type present Filter .........................................~.,.... t~ilwatersparator ...................e.....,......w.... singleorifrce .......................................... 119te1tipleori~ce ......................................... Vlreir ................................................ spillway,,.........e ...............®a.......,........ t~rr~p(s).,........e ..............................e.... tither (pipe;D ..............m..,...,..,.....,.,,.....,..., `~ Fart F Facility l~escrigtton -Infiitratior~ Trench Total Area Tributary to Facility Including Off--site (acres) :.... . ..... . . 1.OCD ac Total Gn-site Area Tributary to Facility (acr~:s}r .. . . . .. . ........ . . . .E~ ac Qesign Irrrpervious Area Tributary to Facility {acres);...... A A ..... , .. €3.5A~ ac Design Landscaped Area Tributary to Facility (acres)... 4 .. , ........ t}. ac design Total Tributary Area to Facility (acres):..... A .............. 1.Q ac Prater a one ~'1) for the type of facility: } :......... . .. . ....... . .... . ~Vetpond detention ..............................A..F.. et pond water surface area....,..,.a .................. I?ry pond detention ........ . ...... . ... . ... A . , ......... . Underground detention ................................. Infiitrationpond ........................................ I3rywellintiltration ...................a4....,....ea...,. Coalescing plate separator .. . ..... . . . . ... . . . . .......... . Centrifuge separator ................................. .. ~rolter....ee ........................................ Other:............ Infiltration Trench. Outlet type t'~nter a one i'f1 for each type present) Filter ................................................ Cilwaterseparator........e...e ....................a,.. ,Single orifice....... e . . . . ..... . . ...................... . ultiple orifice .......................... . ............. . ~felr ..................<..,x.,.,n......,............ Spillway ............................................. Pup~uJ .............................................. Other (infiltration to groundwater) . , . , ...... m . e ....... . ..... I^'art 7 -Release tc~ Groundwater [lesign Percolation Rate to Groundwater (if applicable)............ U inhesfhour ff. t ;? 1} 11 It .egg^t9py®{+s A ® p,t~±t®; ry ~®n Cpt ryt~C~* Ipel~dgkyPy~Ci1~i'~4/r¢-1®R. iwSga~a3;F~Yg~®pC~1y~^tYp1.'~ }*Gp fi Y!*,rGyo-trip~ ®i~T^ S~C"gG{a glpGei~ Tq~ TCYTRlF 10.T[ii Ll ~L.+T tTI~EiI Vipp~ ~[3p tipp++Fl~Sy~pG i g Km7~® A7 6 a.sP' I "~ y ~ V g^~ g+ 1 1 1"I E G s rr faar: Pi'F Ge~nsuitin n insets 2Q 6th ~4venu€~ ~~ quite 3 t.a ashin~ton 85 3 entian: Mint F'ier~oin~ n to are y: eolEngineers, (nc. 1 South Fawrce venue, cite 2fl e~oma, whin lion 9 402 {253} 3$3-494 ~`~t~ xa. ts?s~-~v~-t~ ~.. CAF T~ T Pace Nc~. ll~T'(~QUGTI~t ...........................................................................................................................................1 l'~tRF'C~F ~i~C3 SF ...................__.,__.,,.,.....,....,....,,.,............... ,.,..,,,,.....,,..,,,.,.,.......,.,,..,....,...,.. StTF GC7QtTlt~S .....................................................................m........,,..,,.,...,.,,..,...,...,..,.,.,..,..,.....,...,..,.,... SL~FAF CC~C)I~If~?te1S ...................................................................................................,...,..,,....,... Sl1BSl.3FACF FXPL(~ TtC>Rl .......................................................................................................2 St.&BSUt~FAGF t~~ldlTtC?Z~tS .............................................................................................................3 at~Lt1 aIQS ANL? t~C?tVIMFDATtC~I*t 5 ............................m................,...............,..,.,..,............,.,.,,...,.3 FFAL .................................................................................................®,.,.......,,..,.....,..........,....,.,.,. lT~ [~E~/~NT A(~[~ F~T~iltVt~~fC .......................................................................................3 nerat ................................................................ ....................................................................... trippin and tearin ................................................................................................................ St~rade repara#i~n ................................................................................................................3 TT`emporary Fxcava#ican Support and Gra~snter Ftantin m ....................m.,..,..........,.,...,,...,..,. Fie anent u# and Fill Stope~ ....................................a........,....,......,....,..,......,....,..,................, _ Surface drainage,.....,,.m .............................................m....,,......,.,.......,........,..,,.,.........,.........,...., erosion on#rot ........................................A........,,.,._,...,...,...............,..,....,...,.......,......,..,....,.......5 TILL l1tlATERtAI~S ................................................................................................................................~ ~enerat .............................................................a......,..,,,.........,,...,.......,...,...,...,........,...,.,,.....,....5 Pipe Bedding ................:.............................................................................................................5 ~"renc Backfitt .............................................a,......,..........,a..............,......,...,,,.......,....,.......,.,...,.,.5 l#s of tin-Site Sail as Fill ..........................................................................e......,...,..,.......,..,,.....~i _ FILL FiIFNT ANC3 C~ A~Ttt~t~ ............................................................................................6 enerat ....................................................................................................................................... Area Fitly and Bases .................................................................................................................. "drench Back~ll ............................................................................................................................6 SFIS~tt L7ESt~t CC)Stt~ TtC:~S .............................................................................................. enrat ...........................................................A.,......,.,...,.,.,.........,...,.,....,............,,.,,...,..,..,........ ~_ Seisra~ic design ri#eria ..............................................................................................................7 Liquefaction Po#en#ial .................a.a..,..,..,......,.......,,..........,,......,..,.,.,...,...,.,...,.....,......,...,,,,..,,....7 ~, enerat .......................................................................................................................................7 Spread Footings .....................................m..,...,.......,,,.....,.....,.,...,........,.....,....,..,,...,............,,,,..., La#erat Ltaad Resistance ............................................................................................................~ Se#tteent ..........................................................................A.......,,..........,,,......,...........,..,......,....8 FLC?U SLABS ....................................................................................................................................8 RETAIt~t~t 1P~iALLS ...........................................................~...........,.,,....,.......,..,...........,,...........,..,,....9 Drainage ..................................................................................................................................... t~esign Parae#ers ......................................................................... STC:~RNl1it11ATR tFfLTRATIN.,.,..,a ................................................................................................. ~s 2~ta~z-trot-~~r Pi __ ~aE~~~e~es~j ~~~ ~. Fzte Ida. lsas2-~rl~.t-op ~ ii Is, ao~a C~~oEH~~~eE~s EI'C3R ETEGFit111^ INEEFZIt~I ERVI~E E2C2f'E~E EI~ C~BtV FIt~ME EELf.~E~ E T t? C IRE TFtE Ele, , AI~II TC~ C'~I FF IIC."I ta'IrIEER T T P E P '~~ purpose of our services is to evaluate soil d o d~vater conditiozzs as basis for developing design criteria for geotechnieal aspects of flee proposed project, t~~r speci~xc scope of services for this _ study includes the following: ~~ evie~ring readily available published geologic data and our in-house files for existing Fzt~ Nca. I5252-t?QI-f3f? .~tZ~t= I EC3ENGtNEERS~,! ~Iay I9.2t1Q~' t7BSUE2FAE C3ldQtTl~i~ ~tlSl I S EME ITE ELt)P LENT AN® Tli QR.K erzraf ~Ie ticipate that site development woz°k will include removing existing vegetation; demolishing the - existing stz-c.kcture; excavating for utility trenches; rerzaoving existing fill as recess and placing and compacting fill and bacll materials.- e expect that the znajorit~f of site grading can e accomplished with: conventional ea owing equipment in proper worlcizzg order, The following sections provide _. taco natiarts fc~r e work, site development d fill materialsa trf~pfng atzd Gfearia~,g used on our explorations, we tiipate stripping d clearing at this site wilt be required to remove the existing org is-rich topsoil froze s cttczural areas.. shipping should extend at feast 5 feet beyond all s c al areas such as buildings d pavement are. e estimate that the depth of stripping wilt generally e on the order of indhes. Greater stripping depths znay e required to remove localized zones of loose or organic soil, or if shipping operations cause excessive disturb ce to sugrade snit. ~~g de Preparatfc~rt The existing fill on the site must e removed prior to sugrade preparation. Subgrdes should be __ thoroughly compacted to a unifo ly f° d yielding condition on ccaznpletion of `piling axed fill removal and before placing s e l fill tsa establish design grade. e recommend subgrade soil be proofrolled prior to the placement of fill car others aural elements as described below. e recommend that prepared sub des e observed by a member of our firm, prior to placement of fill or pavement base, ur representative will evaluate the suitability of the subgrade and identify areas of ai'rt~ Igo. lszs2-oral-t~tt ~' C;~c~ErsG~r~~~as ~Irzy I~, ?(?Q6 _~ yielding, s~~hich -~ indicative of soft or lease soil. The exposed subgrade soil should be proof rolled witl€ heavy rubber-tired equipment.. If soft or othrwa'se unsuitable areas are revealed dzzring goof-rolling or probing that c of be compacted to a stable and unif~rrnlly fi condition, we recommend than l~ e __ sugrade soils be sc `fied ~e.g., with a ripper or f er's disc), aerated and recornpacted, or ~) the unsuitable soils be removed. d replaced with s aural X11, as needed. ^_ 7°e orry Excavation Sta~tpcar~ and t~r-c~tenclwater f~landlen Eer anent stet an Fill Slaw t~tface D inae Surface water from roofs, driveways d landscape areas should e collected and controlled. Curbs or other appropriate measures such sloping pavements, sidewalks d 1 dscae areas should be used to direct surface flow away from the uildzngs, d erosion sensitive areas. Roof d catchment drains should discharge to appropriate collection systee ~~t~ rv, ~~~~ -or~r-ao .~g~ ~oEN~sNE~as~J onion Gcantroi Based on existing site grades and the proposed de~Pelopznenta ~~fe anticipate that erasion control measures - such as silt fences, straw bales and sand bags will generally be adecla~ate far the proposed development, 1-Iowe~Per, if cons coon d grading is staged, slopes n~}g e created additional erosion con#rol rr~easures rr~ay have to be i~rapteented. ii_E. ATEIAL S v one i i e din 'F'rench bacf~li for the bedding d pipe e should consist of welt-graded gr ular a#erial itlz a maxim p isle s` f 314-inch d less ttl~ 5 percent passing tl7e I.I.S, S lord o. 200 sie~Te, The a#eriat should e free of roc>#s, debris, org is matter ether deleterious rntcrial. ~`~noit ac r#! 1'e reo end #ha# ail trench basil consist of m#erial e~ approximately the s e utity as "gravel borrow" described in Sec#ion -03,14{I~ of the Washington Mate L?ep en# cif T spo ian S3~~T Standard peci~ca#ions. ~,lt fins said lee cores cted i hori~cantai lifts a# the appropria#e thickness for conapac#ion, f"ar compaction recommendations gofer to the 6`p`iii Placement and opac#io" section of #iais report, ~~> aoas~-t~dt- .Wage G~olEcl~~~xs~i _ lal cif nE~`i~ Soi! as Fit Rased on our subsurface explorations, eve conclude that the inorganic rraineral native soil nay be considered for use as stg-uctural fill, provided it can e placed and compacted as recommended. The existi~~g ~Il is not suitable for reuse ass aural loll unless all deleterious material is removed. Some of the site sails were observed to Dave relatively high fines contents, Chic may make them difficult or _ impossible to compact when i~~et or if e work is performed during periods of extended wet ~veather° l.L.. E EI~T PTtf,? snare/ rea 1=i1/s and has -- Trench ac rtl For utility excavations, we recornrrzend that the initial lift of fill over flee pipe. be thick enough to reduce the potential ford .age during compaction but generally should not e greater than about l inches. In addition, rock fra ants greater than about I inch in maximum d° ensign should be excluded from this Izft° ha building areas, trench backfill should e unifo ly compacted in horizontal lifts to at least 95 percent of the l~ (A D 1557. Fill placed below a depth of feet in pavement areas should be compacted to at least 0 percent of the T) (ASTI~1 I3 I ~'~° In none aural areas, trench backfill should be . compacted to a fi condition that c .support cons coon equipment. Suitable native soils or select granular soils should be acceptable in non-s aural erases _ ~l IC EStG~t ©NSiDI~ I'IQNS snare/ ~~ ~, 2aas2-ear-aa gage G~oEx~tx~~a~ 3`able 2. foil Infiltration ates £~rain-size istribtion Analysis foil Approximate foil sample levation~ o ~ Recommended "Test atx~ple t3epth atxaple foil 3)CS Sail Infiltration Rate Pit 4loa (feet} t~ I:3sriptin Classification {inches per hour} ~ s.5 344 Viand, Grauei and GP 2£f cg~t~~es 3 3 9.5 332. s hand, Gravel and Vtt 2{I Gobbles 5 2 4.5 336.5 Sand, Gravel and GVV 2Cl Gabbles ? 3 ,5 X36.5 Sand, gavel and G1~11-Gib 24 Gabbles Tlxe values presented above for tlxe plea obtaxed in a p icxxlar area at a p icular elevation and represent an estimate of design infiltration rates. Location. specific held or laboratory infiltration testing zn accordance itlx local re~alations should be performed to develop final design infiltration ti=dues. Sto water should lee treated in accord. ce witlx current regxxlations prier to infiltration. ~PFiAt.TIG QNCETE AVM EN3 ECQ E DATIGRI eras Asphaltic Concrete F~avement ( cress riveway Surfacing: ~ inches of Class A or 13 asphaltic concrete. Fite Nra. Ja25~-(1tJ1-QO F'~ ~t1 EONGINEERS~i - c~tcry I9, 2f1t36 • Bases Cinches of crd~sl~ed surfacing tease caurse. ubgrade: IZecopacted native sail ors aural fill. `I`lea recomzraae~xded pavement sections rr~ay not e e to for head cons coon c conditions such. loads imposed b coa~cretu tr .sit mixers, clump clcs, or r e loads, Additional pavement thiclsx~ess may lie recess to prevent pavement d age during cons coon, andfor repair of damaged pavements should e anticipated. ~~r~ n~~,. ~s~s~-aol-~~ racy ~~ ~, ~~, z~r~~ ~~~~~~tN~~~~~ _ -- -- ~ Yelrrt ~.,.„~ ek .,,~~ ,d.~>, ~? ~~, ~ tthersar, Rd~ ~ rat-. 88th Gave S~ ._.„~ ~_ ! iT .~o'' ~ c :~_ - ~ ,: ?Q~thAueBE r~ 9 ~ a nth n s~ ~' ~" ~. ~~a ~° ~ - cv - -. ua t • '' ''~, _ "The Site is looted in the SE 1!4 of Section 24, Township 17 North, and Runge t21 East ~T ,0{? CP 2.OC3Cl ~/ AP (JFA~E ~XPI_ T L TC?R1! TE~TI G L?BSURFA~ PcXPL. iQN BO TC?Y T11~+~ en eral Soils pies obtained from the test pits were transported to Cpeol~ineers laboratory. Representative soil - samples were selected for laboratory tests to conk our field classification. The following paragraphs provide a description of the tests erfo ed. oisfure Content The mois e content o selected s Ales w date fined i general accordance with ST Test Method l~ 221 The test results are used to aid in soil classil•~cation and correlation with other pertinent engineering soil properties. The test res~zlts are presented on the test pit logs at the respective s ple depths. r~il~-Size Analyses A~ay 19, 2t3C16 C?I SSiF1ATQN CHAT E3DtTtt7NAL ATEF2IAl. SYME3C?LS o~ DMSiON CLF 4.N `-E' P Q ° i'9YN 11eLS.-GRAt~4GRAYELS.GRAYEL- SAND MLYSURES Gi2AVEL GRAVELS ANd~ fl da GRAVELLY AmtENO f3NE8) p p ^ PGQRI,YGRAg3Ep GRAVELS, SC~iLS fA tl ~ ~ GRAVEL-SANA UIXTURES COARSE a G~cAVELS 77i a Al! S' GRAVEL-sANC # SCY GRAINED cao e THAN a of coARS€ F1Plc5 M E SOILS FRACT74N --,-^---+.- RETAINER 4N NO. 4 STEVE ~ CLAYEY RR,4v£L5, 93RAVEt - SANn or r9tdE.5q CLAY AfGCTCPYtES ~ v~Lt-cxAD:.D sar,~s. G~tAV~c:r CLEAP! SAAtDS SANns FIt?RE TFfAN 5D% SANt2 RETAINERa oN Nt3. AND WTTLE seta Patap7 SIEVE SANDY SP POORLY-t3RRDEC SAN(J5. ' SCNta GRAVELLY SAND MARE THAN SfNA SAhtLr$ lA4Tii 5l1!! SIL7Y SANRS, SAND -SSLT or caARSE ERACTCD81 FSNES RH6kTURE,S PASSING MA. f $#EVE ' ' ~+. ° ~ CLAYEY SANDS. SAND _CLRY ' 4P F aN@81 n dp~T tiRE3 Nd13RGANBC S~:TS, RtaCR FL9FSl8, ~!!. CiA1'E7 &5675 YATr§ SLIG#tT PLAaTIG%tY SILTS INRRGANIG GUYS RP LoVYTR ~ s~ED5uk4 PLASncrn, GRAVELLY FINE AIdD CE&& T}fAAE §Q SANDY CLAYS, 53Ln CLAYS, GRArI+fED CLAYS LEAN C SC3iL$ py® VIL S3RGANkG SILTS AND QRGAN~ S8L^CLAY6 OF LQwPLASTICIn MoRETHANE4% J g i $ $ I !^! Io ~ c wss s an&5 PASSING Nis. 2IX! I i u G E a & ' SIEVE '~ A ~ tAABST tP'.`iMGAtdPC CLAYS C?F FR6H YS GREATER T!#AN Sfl J P PL0.STiGRY. ~ axGANac CuY3 ANra ss.TS a> ASEPIFIM FO Ni&~i PEAST4CRY HIGHLY QiEGAMIG y PT N~ CWRMP S^~ILS wRN t ~ t °Q 6C 3 i C.R S Bois TYPlCAI. >~ LETTER ~~sc~i~Tlc~Ns -- Gei'nent C+ancrete _..- ~ , AC A.Si)l]1lt OB1CfetE: Ci~1. GrUSi3ed l~ia QLS~f~+ SpaliS .~' TcrpsaiiJ Ftrrest DufffSod asurrrd groundwater lave! in Stratigraphic Contact D ntt contact be n soil strata or logic ttnif4 facaduai change between soi! Strata or geok:gic units _, ,_ Rpprxt to !station of soil strata change within a geatogic sass unit NbTE: phultiple symbols are used tca ktdlce erHne dual coif ctasslficatians _ ~abar3torV l F€eid Tests afn!}18P SYInb01 DeSCi7pt10S °I~F Pertentfines rberg !!mi#s ^.~-inch GD. split barrel A Chemical an is CP Labaratory tampattian test _ Sfand Pane on T (SPT~ CS Consolidation test 1?i shear ~ Shelb tube dro ter a is !store content Pistcxn N!A als content and dry density _ CC Q nit content Ci .-Push P Permeability or hydraulic tandu P Pocket penetrometer Bulk or g SA TX S" analysks T 1 comp ion !1C tlntonfined tompn:ssion dfane shear Blowtounlt is retarded far d n same. as .number of b! requi to pier 1 inches (or Sheen CfassificafaQn distance no }. See o n log for ham rweight and drop. een S Siigir# Sheen A "P" indicates sampler pushed using fire weight of the S AA rate Sheen drill rig. ifS Heavy Sheen NT Not Tested N(3TE: "Tire reader must refer to the dlsaassion in dte report text and the lags of explorations fro a proper ynderstanding of sutrsuria.^.e cond3tians, Descriptions on the logs ap~Iy only ai cite sPecirio expioratBon k:cations and a4 the time the axp9aratians were made, thex are not warrantees to tae representative Qf sUbsurfsCe rculdiUlatrs at other kdCatl43n5 ~' t6Tle~. ~'EGURE A-1 __ £3ate xtfav~ted: X4111 f{~6 Lc+d by. CR c~ipment: Case xtenclahoe 13acl~hc~e tsr~a~e Nation {f#}. 347.E ~ ~IPC~ T'R~~ ° C3TE TE aTS . ~ ~ ANA oT~~ ~w ~ ~ ~ ~ ~ ~ ~ ~~ - t ~, I ; ~ j' S ~ 4 inches ,organics, sad S ~ brews silty fixes to caarse sand. occasianal vel and carganics ~- ~. : . {dense, moist) Q 1 lt1 ~ SA ~1 9~1 3 ~ Test pit carnieted at l Q feet can Q4 Nca grouxadwater seepage observed ~~- ~ No ` g obsc~xvd Notes; See l"i A•1 for explanation of cymbals. °l'he depths an the test pit lags are based on an average of measurements across flee test pit and should be cansidered accurate to 4.5 foot. F ~ '~ Fr o j G ~ ca c~se t? I t1'i r T Onhc~est~evelopt'rlent +~ ~ { {p~^qp ^ ~ gry ~ p ~ g @ y t V~iaVl L d.t Vil. ~4~i$#y G~i1 B~VA! 'y~d4 ~'~ ;eyr-p ~°t'OJ@Ct tttll~f: ~rJ~~-Q~-Q Sheet 't raft Date xcav~ted; 0411. I; 06 glpment. base l~x°tenaoe 13a1~h4~ c: l~.o bye ~r~~ce elevation {f~): Protect: Propo~ecl Yelm Tonhoes Development Project I_ocat~on: 'helm, Vas°sngton Fl ure A-3 Project I~Um~1f;r: "~ ~-0f}"$-{){} Sh et 1 of 1 L}CR 346 ate xcveted: 111/t? Equipment: Ease ~~#edahoe F3~c~clloe ~.oggeci b: SCR aurFce Fievatioo {€~)` 342 r~ro~cc: ~rooea ~e~m ~ons~omes ueveEOpment Project Location: l'`e[r, ~dVas~ingto€~ Figure A-4 Project ~*itlirti?er~ '~2~-~{~'~°OQ sheet 1 of 1 ~a e~vf~: 04/11/t~C Equipment, Vase ~~tenal~ae 13ael~oe I_od b~. 1~CR urfac~ Eievalion (fl}' 341 ~?at xc~vat~ ~~J i ~ f06 ~iment. base E~t~n~iahoe ~ckho~ a .t~ y: DCR ~~fc~ lvati~r~ {ft}° 34~ rs~ec:~: rtt:avs€a ~~z~~ ~vr~[i~arT~es uev~sc~fst~~ac F'roj~ct Locations Yet, pinto ~ ure A-C fC)J~Ct Un3~f: `~-~}"~-~} ~heek'3 of 1 ~t xcv~ted: t11] 1~0 c~t~~t~ent: Case Exien~iahoe Bac~,hc~e e y: I~CR ~sr~ letic~ (ft}° 3~~ t~roa~t. ~rcase ~retm ~ c~r~t~oes ueve~cspmer~t 4'rc~ject Lca fi~~an: YIrr~, a6~infic~n ~'~ ure A_7 ~ rojecfi Number. 525-(~1-f~Q s t ~ ~~ L7t excavated; 4/l 1I Euiprr~ent: base Extenda~c~ ~ckoe ~.oed by: ~?~R surface levaf~ora ()~ 346 rro~ecr: a~roposecz ~e~m ~ o Homes uev~€oprnen~ Project Location: Yelm, Vlfashinton Pi ure ~;-~ ~ Project Number. 9625-t~'~-t} sn eett o~~ tO G3 !~ 5tk G5 U} W ~ I ~ ~ ~ ~ :~ `-' c:~ ° ~ c~ ~~ ~ ~ :.~.~~ ~~~ a ~ 4 0 N W ~ 1 ..+ e~ w 'O ~ ~ C ~ } C „ L~PA id} ~ G? ~ 7 } ~' ~' ~ ? ~ ~ ( ~' R tO %g ~ ~ 04 LSS CTf O ~ ~" ~ N N ~ N 43 t3 Ck O p~ / ~ cA U i.A U Q 4P~9 Q I~ ~ Ste" C C C C ?t ~ " ~ W ° ~ 1 W ;+ i° ~ sSl aft ~f'd .e~13^ ~ ~ 9f! iT7 '~' C7~ ~ ... ~ ~ s+~ Q ~ LLd r t'? `tB 4`e i J L~ "'7 ~°^ ~!""1 1a i'7 a.,,71y~Je:iY ~4.4YaJ~6.! ®I:. Y E IlAL i a7lS ilX~~~L F ..l i 1 SE ~` iznpo t changes are made after the date of this report, Ga~ngineers sauld be given the oppartunity to review our interpretations and recamzxaendations and provide written zraodificatians ar confrrta~ation~ as appropriate. l1tJRE'AE C) DIl`IpN A HAPk~ "I"bis geotechnical or geologic repart is based era conditions that existed at e titres the study vas perforrrzed. The findings and canclusians of this report may e atTectd by the passage of tune, y zn ads events sash cans ctian an ar adjacent: to the site, or by na 1 events such as flaads, e quakes, slaps instability ar graund water fluctuatians. l~ltvays cantact C~eaEngineers efare applying a repart to date ins if it rerraains applicable. i'~t~1L OAT ET~GH~[IGL ANI~ Et~LQGIC INDII~IGS RE RFESSlONAL PINIONS EO'T~CHt~IGA!L ENGINEERING SPORT EEO ~NL?ATIONS ~E OT FINA[. Igo net aver-rely on the prlirrrin co titian recazrarnentians included in this report. These recd endations are net firz~l, because they were developed principally am eaEngincers' prafessianal jud ant and apinian, CleaEngineers' recarramendtions c e 1•~nalized anly by observing actual subs ace carditions revealed d °ng cans tiora. 4.~eangineers c at assume respansibility or liability far this report's recornendatians ifs do net erfa cans .coon obsen~atian, .Fite No. 15252-~1DZ-(1Q F~ ,Ts-2 CiEt}EN6iHEER~ ~tav 19, 20076 EQ1"ECHE+lECAt. NEE~EEEENG R EC}LC)GE~ EPC?'T ()LELE3 E3E~ UBJET T4 ESE TERE~RETATEC3 G ~T ED .THE XE G i°EGEa ~f3 a 11tE f) ~' CTC3RS O PEn.E EEaQRT AE~EE? iJEEaA CE Gt~T G?QRS ARE ESE'QT~ISEE3LE FAR Ei'E AFE G THEE [V CONSTRUGTEOEV ROJEC'~S eotechnical roendations are not intended to di.reet the con ctor's procedures, methods, scedxale or zn ageent of the work site. e con ctor is solely responsible for job site safety and for aging cons coon operations to rninin~ize risks to on-site perso el and to adjacent properties. THESE PRQVESfQEVS LQSELY ~;~:~~.1s2s2-oral-o~ .~~.~ 3 G~Er~~~N~~~s ~~, aoo~ E®TECtiP€IGA~.. Et?LQGIC [3 1~VlRC)NMEN~`~. EC3R Ht)ULD IYQT BE INTERCHANGED It)LflGtGAL t~LLE3TANTS F~ie~o. 16252-{FIJI-fftJ -~'~' ~-'~ EOENGtNEER~/ a}t I9, 2tXt6 1r i e Ft1i~lTIA~. ACaR11di3~IT T~ AITAI(~9 l"C~ 1fVA~i` `~IL~"I~ C~~I a d~NT°tJ~'IC3P~ RF'C~6~T1 !T? HAIR, ~CC~F2, ~}}~ ~ sIC3t~S {} the (~EVELQ grant limited authority to the I~ISDIT`It~ld for aocess to any and all stormwater system features for the purpose of perform"":ng maintenance or repair or inspection pursuant to the terms of this agreement. This Agreement is intended to protect the value and desirability of the real property described above and to benefit all the citizens of the Jl3RiSl~1T°IC~I~. It shall run with the land and be binding on all parties hav'sng or acquiring any right, title, or Interest, or any part thereof, of real property, They shall Insure to the benefit of each present or future successor in Interest of said property or any part thereof, or interest therein, and to the benefit of all citizens of the URISQI~TI, I IT ES HEI~EC~F, this instrument has been executed . - vuner hlotar~ Public in and for tl~e Mate of ~Cashington, residing in y crr~ission expires; a VICINITY MAP N.T.S. `Thurston ~ec~data enter - Parcc~ Search ,W ~~c 1 of 2 F. ~t~ fear arG~1 r~A °~7 °1 2 OC~m Parcel Vivo esr' C~aa for Parcel ner: ~t~R4 aTlJGTIt~ RP Address: ~} ~? 422 lfiy; PAI~AAY Mate: , 98387 Parse! Flo.: 21724410200 bite Address: 304 Ll~l!l~1P P® iite lty: YFL bite Zip: ~ section. 524179 24-97-1E 9A F aE CJt~ t~I (~R C~LERt~ Legal [~esr'ption; At~l~ N X2-4-Q tf 2{~ P } ~ 7 I"Isecode: 19 _ IN~L-~If~lT Tax Code Area: 1703 Taxable: `~e5 Annual Tax: X629.28 Property Type: F~F a Tota! Acres; 1 Land Value: X49,000.00 wilding Value; X3,000.00 Total Value; X52,000.00 current Llse: exemptions: tone etlands: lannouan Floddzone: Flood of 1999: tJnknon Minter Flooding of 1996. unknown high groundwater Flood l-lazard5; L~nnouvn Zoning: F2-94, Historic Site: No Permitting Jurisdietiort' Y~LlVI Jurisdictican of Influences L Stormwater afie: o l~lo shooting Zone; o Animal ~ontroi; contact Animal ontro! {360-458-244j. ttef/eoap 1 sec~ta.c~rg/esite/cdastrtlres~ltspa~°cl.a5`?arcel=,1724~102Q(l 7/1 fi?/20(?C~ T`l~arstQa ec~ata Cuter -Parcel Search. Pianraig egiean; ent~s Tract: F~aa ~r dell Tower; A~rpc~rt ~sar~e; too ~! r~ ko~wr~ l.~r~knc~wr~ Ica ca 355 ttp:!/eo ~2.eo~~,~r/esiteldastr~l,'re~ultsarcel.as? ce1=27?i~200 Pale 2 cif 2 7l1 /20 Thurst0~ ~'~unly ~+ Parcel each; 21721OZOO Pale of 1 ~" e1 a r: X172 1 ate; 7/10 005 S d 304 SE LOIVGMIRE RD IT 24 17 iE GMS CONST62UCTSON CORP Lce: 1.00 Acres PO 80X 422 SPANAWAY, WA 95387 7~ Nu i70 2$Mi T GMS CONSTRUCTION CORP T RESSI~ENTIAL pO 60X 422 "ram YES SPANANIAY, tNA 48387 ~ Ex None YELM S,I?. #2 i . 2k-i7-1E iA NE SE COM NW COR SOLBERG AI3f7 N 52-4-0 W 200E P O8 S 37 WELL TYw SE€~TIC c"iC~(~t ~a~ lax Y r 6 5 2fit33 2 1 year 5 3 2 2 Market Value Buildings $3,000 $2,G4Ct $2,400 $2,200 $5,200 $5,3(40 Market Value Land X49,000 ~43,i5® $39,400 X33,750 $36,500 $35,500 aine Tota# 2r r7 if 3Sa~~0 ~#1,7pQ r ~Slt~etltl~~ ~at1"9~~ttit'L' Year 3t 1935 EI Stcnres i RAMBLER SPACE-HEATER tiky LOW-COST OIL ~ ROOR PTERS 2 WOOD-SIDINCs ". 1 ~ i ASPHALT-SHNG i Stiexa e Main fdnished Area 780 The Assessor's Office maintains Property records on approximately 112,000 parcels in Thurston County foe kax purposes. Though records are updated regularly, Uze accuracy and krmefiness of published data cannot be guaranteed. Any persan btained from this website does so ak his or her own risk. Nesther Thurston County ti f on o orma or entety that relies on in nor the Assessor will be held liable for damage or fosses caused by use of this information. A/f crfticaf Fntormatfvn sboafd be fndependentty verfffed. f~iC O~ ~~' ASSC Patricia Ces#elin, Asseasor 2000 Lakeridge Driue SW -Olympia, WA 48502 ~s~stoer service (3eo>T85-s4^t0 ®A a~ax (360754-295 -- TDB €3~}754-2933 t~~:lffc~rtrss,via.c~v/~~°~tor~cc~/ri~folrs asz P`?pn=1'~ 1. Q2 'fit 1/ZOOM