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HomeMy WebLinkAboutShort Subdivision 2771 - SPL Plot / Site Plans - 9/6/1996 33756 RIFL 11 4 FR 3 3 2 M Nroc ConxsunJly p�reh *vnt MARTIG ENGINEERING 2116 Lakemoor Drive S.W. Olympia, WA 98512 (360) 754-9687 June 24, 1996 Mason County Director of Community Development 426 W. Cedar P.O. Box 578 Shelton, WA 98584 Attn: Gary Yando Re: Geo-Tech Assessment Compliance Report for: * Short Plat, SPL 196-112 * Robert Sund, Owner; * Lots 1, 2, 3, 6 4; * Tax Parcel No. 42201-13-00000 Dear Hr. Yando: I, Kenneth W. Martig, Jr. , P.E., of Martig Engineering have completed my engineering investigations regarding the Geo-Tech Assessment requirements associated with the above referenced Short Plat application. This letter report presents our assessment in accordance with our site reconnaissance, historic familiarity with the site, and Information contained within the Soils Survey for Mason County. In summary, we find no geological condition of Instability that would prevent the approval of this short plat as proposed. HA('KC_RO�11Q The site has previously been logged and selectively cleared. Access roads have been rough graded for logging and preliminary drainage control for Lots 1, 2, 6 3. Fir trees and natural vegetation have been left along the bluff between U.S. highway 101 and the top of the bluff bank along this proposed short plat easterly boundary. Domestic water will be supplied by new private wells as shown on the Short Plat Map. An existing private spring water system will remain protected on Lot 4 as shown on the Short Plat Hap. The On-Site Sanitary Waste Disposal Sites for the four lots have been reviewed and found to meet Mason County health code requirements by Mason County Mealth Official, Kim Lincoln. 1 Q�6�9� 6 3 3 7 56 r PFFL 13 1' FR 3 3 3 whirl SL&CfiVi3 Gn D. tnKswnitr L�a+�k,pmer.t LAN D—DEYEL ORME HM-PLAN The four lots are intended to be developed as single family residential lots. QRAINAGE Ann .H03I ROL Individual drainage and erosion control plans will be developed and submitted for county review and approval along with the residential buildings permit application for each respective lot, once an owner developed plan becomes prepared. This drainage and eros-lon control plan will show how surface subsurface drains for existing runoff and drains for all new Impervious surfaces will capture and convey said collected drainage water to a safe discharge location such that the stability of the soils remains, both during and after the development of each lot. Wherever possible, natural drainage courses will be preserved, enhanced, and utilized with easements dedicated if/as appropriate for draining multiple lots. fiITR SOiI.4 The site soils are classified as Fioodsport gravelly sandy loam. The drainfleld test pit soil logs show root penetration depths average 36 inches. Deeper soils are a light gray, strongly cemented mixture of gravel, sand, and cobbles. Regional groundwater emerges as spring activity at the existing ground elevation along the westerly boundary of Lots 2 & 3. These springs drain thru existing water courses, safely to the ditch along the westerly side of Highway 101. The easterly boundaries of Lots 1, 2, & 3 are located on the bluff dropping down to the roadway of 111ghway 101. No slides have occurred along this portion of the bluff, nor do any signs of pending slides appear visible. BLUFF STABILITY The existing bluff along the easterly boundary of this proposed short plat along Highway 101 is stable. The dense, compact, dry soils of the bluff, described above, are stable since no free water flows within or over these bluff soils. Even freeze-thaw erosion is at a minimum here due to the lack of water at the surface of the bluff. Stable older Fir trees an(] understory vegetation exist on and at the top of the bluff. 2 63 37 S 6 RFCL 13ItFR334 !;h:)rt Sut,di:i3ion 12?�� qt, Oro•.I�x - a�xrwnkr �eMeJc ,t CONCLUSION The geological soil conditions, including those of the highway bluff, at the site of this proposed short plat are stable with dense compact soils excellent for structural stability. Therefore, no adverse impact on the adjacent highway bluff should be experienced if the proposed residential development, as outlined by this proposed short plat, is permitted, provided that an engineered drainage and erosion control plan Is implemented as part of the development. Submitted by: *,I Idiilj�� Kenneth W. Martlg, , P.E. u q Copies: Robert sund, owner. o Richard Norris, Land surveyor. T� Ss/ONAL 0" EXPIfiE3 1-9- 9$ 3 "EXHIBIT B" > Sund-Mason 1-VR Description and Conditions. : All that portion of 3ovt. Lot i, Section L, Township 22 "l. k Range 4 :Yeast, :'�.�., and tall that portion (IP second class tidela ids, Including anv tidelands of the second class suitat)le for the cultivation of oynters(and the Reversionary riuhts therein)all said tidelands being. theretofore co)iveyed by the State of Nt.ahington, :nd Using situate in front of, adjecbnt to or abutting upon said :;ovt. Lot 6, and all lying East of hhe FAsterly right of way line of Primacy Stnr.e Hirhway No. 9 (Olympic eiij�hway) accordingto plat no. 207 in the office of the Commissioner of Public Lands in Olympia. Said tidelands maasurinz. 21.88 lineal chAiris, more or less, along the Govt. meander line in front of Govt. Lot 6. Z Together with &he following rights *n:: privileges: { Seller agrees to permit iurchaser, or h1,3 successors in lnberest, i the unhiadered right to go upon the land of the Seller lyiu;c ivest of said Olympic highway for the following purposes: 1. to aemrch o,:t, drill for anci devc.op a water source,*sufficient for the development of the property herein dedcrioed, and give this consent to the necessary State Appropriation Lermit. Also, to give a perp�-tusl easement to an area sufficiently large to erect ano maln- tain a pump house and tanK,tand to convey the water oft the said promises. 3uid Seller to have ti.e r:ijit to �ive reasonaLle direction as to location of facilities. 2. to excavate dirt necessary for the development of said property, and ;-ive cdnaent for the necessary State Removal Yermi Seller to have the right to pdinj; out the areas to be excavated, a& long ns it is consistant witb the State Permit, and with good excavating practice. 3. to permit a Surveyor to go upon his land for the purpose of stash, aitea Lor water development or excavation of dirt, or in the course of surveying the property herein described. Seller a,rrees to extaolish the North and South boundaries of the property herein purchased. 4. Seller agrees to the ©sstanment of thda Agreement, or the subsequent Real Estate Contract, by the Purchasers. * on Sellers property 174o6-*ewt of the .Rlt Noe +W!!f ►rr�_aracl be4aag• in Govt. Leta 5 and 6, Said Section 1, except that no development for either water or dirt memoval will be permitted Northerly of a small valley running in an Easterly and heat- erly direction chose to the Soi.th line of said Govt. Lot 16 a I\/l I �I (XXX) RECORD BEARING & DISTANCE !h t0 S 05'44'18" E 0f 17.76' FOUND AXLE 3 FOUND UNDGREN S 89'18'41' E BAR & CAP 586.46' & Tha seg � � o(kill P, i pot, pot, Cou ►� C 1 ES I POND 30' PRIVATE ROAD & UTILITY EASE /� MENT DG c^io,'J N 44'04'35' E � 40 � 30, Fil S 60r14'14' W 20' , i Vn 41.87' F, .� , ot 1 D� L3 MG I 9 -i L10 .y `S�C� ��`! ��ypvss ws�U•.' i� ; k.l' L15 x i w�r�`��r'S LOT 1 ,. ^��;' 1.85 ACRES i L11 �_�..� ` �ry 30' , DWN B I ��� •• 16 '" �9 F. �i N 59*00*33" W 1 EQUIP. L6 � o11 10.00, /Fig ,k�, L5 ;.�ii WATER N or• TANKS p 1yr 1� CENTER LINE HIGHWAY #101 a ` LOT 2 99• (ASBUILT) ' �/1.00 ACRES, ^d Tr 73 6 Q S" i LOT 3 _...,r co S r 1.61 ACRE . / �� fhi r P � , r , rec TOP OF BREAK % in .• N 59'00'33' W ' N 00'56'13' E / 10.00, ►' . ........].1.5.9A' 100' 0' :o0 200• SHORT SUBDIVISION LEGEND WARNING �- 1N , 1. R.sponsibiiity and expense (of PROPERTY LINE I c. SCALE: 1' 100' GOVERNMENT LOT 5, SEC .ON 1. budding, eats and ;On ar mOos leading TWP 22 O CORNERS FOUNU AS NOTED o/ easements area pnvotl roods Ies0ing N., R. 4 WEST. W.M. Io of serving Iota .ilhin this Short Suvdivision (unless such mods Awe • SET 5/6' REB:`R AND PLAST;C CAP LS 118915 been accepted into the County's rood O SOIL LOG HOLES system) .noll rest with m..e lot owners XXX RECORD BEARING & DISTANCE 7. Any further division of lots within ( ) I this Short Subdivision shod be subject , lL`,OGRiv to the requiremrn:s of 0i:c;nof 16.36 CO, wvtt�uLr.:nr S S os..•1f F of Mason County Code. N 0759.O1, 1 ,Ouab Halt 177P J. Orc'emtion o/Short Subdivision 17L.Is' rout LINDGREN ar1eV 1'E 1 ILIAa CAP �a.N, A SEPA mitigation ur meases // / Auditor's !de No. LEGAL DESCRIPTION: NOTICE TO PURCr.ASER Al,ri Ar POR aM Cc=OYEi n.Lr LOT ME(5).SECnO.OM((1).TOwNs1.I / ' rt 't . Th.bY.Pwad.«Ire.'.a«N.+.w.MY a.w.1 r.Urrrt o(it)me S-. M.•,GE FOUR(.)OUT.'"u LYI: wESTEALY Or ME .....s.U.n M..M......l.f.kuw Y,l.. e..AMs W(VLR•_Y A.M7-Wi AY Uht or us WC..r 101.E{E:y ylc MrLrsOM ALL r f .We.. ..l«read. w.,d.iy r.nNl n««rYV9 rW PCOMIS M(1E.;f PAAnCULAALY OESC.l:90 AS FOLL0w1. ,Ai9 I.I� r _ / i WYM...lr•i M.nuM.ivul Ml rWrfnS RF^.:`un.n A7 ME.'.0:MAEST Col'.EA Of MICT ONE 1 Of S.WD ESEIAPTEp I•.w .N r.L /puY.O M a•.Ya.on () 1 t I ceunly N.aY S.Mcr Ou«l«. I.NGf LOT SL'30MJJ J REC CROCJ LM YOLLuf 1a Or SUmtY S.7AGf 15.. 9,rr Lw j ����r�` WU.OR'S IkL N.[CC921;ME':CZ WCAN aYO2'if EAST•x0:.G ME NORM �1/•/ l,♦� Lr,E OF Sa TAAC. C.E(1).e74.73 FEET.To (A15IEALY R r.-of-WAY DIRECTOR'S APPROVAL .lG, L:ME o<u.s.Mw,rA.r col;MEr.cE NORM 2e5s'M71• FAST.xo�.c f o ' c1 WESTERLY.6M-CF-uY I.RIE.,505 RE1.NCSCE MOTH a,e'Sr*CST, ' al w r:T.MLKL sOUM 7t,53, wtsT•S.E sa RET•TO ME PMT Or LOT. /� ' Ld....0 for recording pursuant to Ai[.PT.G n 30.e9 ACRES ( 1` u°son County T,Ce 16.J6 SAW L>,,O f[,t A✓t.%C.N-0 JESCR:EEJ AS THE RLSULT114;►AACCL I OF �:•, :00 1 9O,ANaJ L:1E M.YM AC,LJ .95-21.RE:O.CEJ APR AU R 10. 1995• O.TOR'S n•.a.M 6CE!cV. ' y DIfIGt]r o OT.mL'niy ✓eve Opmint PARCEL:b. :_01-1]-OOOCO. i\ '/ w2Y':+�'µ>>7.,:�.. ` � � `A+y.Y 7 ,-.,ti?�• /, Dab Approves IRn'AIE ROAD•Vihlr/(ASEYLHI 30 L2 / AUDITOR'S CERTIFICATE T-y PRNa1E YOW i p ii2'�`t-�z>'"`�.�:\V'R f ".xo.•]r L'r, a UIILRY CASEYG 7^� , 'Sp T•i. `\'»X I \Y fa.O 1' \II / Filed for record this day of ' LOT t r , b 7996 of • M. in S a1.'1C rr ;'20 ., V°. _ °f Short Plot., Page Ilu) \ � 'rT'd� '9'• ^`Ln a1.O1' {C �* /, at'she rlpulat of RKWD 5. MORRIS //`j' �1 hoaq ems'°'• LI {� � a l/ Auditors file No. i $,T yawl �`.S4. ;l u C • ✓7.5' W.O. unty A✓ddor. ,r'ur.a.ry D' 1.00' �,�. [.arnsMr /' •�'''\ .-l' I+�" FOREST LAND SURVEYS $ n LOT z LOT I j i' RICHARD B.NORRIS P.L.S. I?�' 1.83 ACRES / I, . ��-I.O.a. ]°7 ()•0) 17-SS]O R DETAIL 'A %r, ;" q i , 1 ....s a,oK w.Y.Ma oN 9a5a. : 1. • (ASLLCM FOR A,NN7ENx:CE li 1\,-�.- _ ,1]p. r• F ♦RVNR a.Arui msu 16 .wa 8 aY .7..7.0 10 S1(22,$)4 } _ 9b i• ' T 0 y N SPOO']Y w Io,w./PROC[JUR[: Lot] U ,L( �( ..-'�5' •r////JJJ��� i ed Io.ar r TOTAL STATION k E.D.U. R.d.N M orOa'2C [ .yam j R //,L�, w' /FIELD TRAVERSE 1' 100 7142 C; ) o.. ` o b TANx$ ,'' r" t'. CENTER L.4 MIGHMAY pot SURVEYOR'S CERTIFICATE • �� ORANMu ° ts[u1MT q g'- ' r�s Lor 2 'as. oe (•LsautO h^ IO ' IDO AGRis This map coe rctly represents a survey moos by me or under my direction In i of LOT] �. /:, conformance with the reouiferrlents of I.a1 ACRES, ' /' the S,.riry Recording Act at the '"_•fie . request of 309 SUMO TOP N 9RUx� '\ In YAAC. 19IO NSP ]Tw , ti,n i N 01:7WIT C 10.00' /�f' �6 �/J , ._....._.115.9C'.....J.._. , L,t ♦ / / ward B N`�is L�91 W'PRIIAIE ROW a unL.•'t wi x ,� .a Ll1 w!kxLY ftw-cw- UNE r i L°'`,r (wsi•,ET O.LS Lv15.•W ROW , a] / A �It.5'2s' , TOE ' 1 -- , ) a xolL w -% LINE Ta4LE CUR'/E T:BLE : •k // �� FOW,0'.:r1JGRfN tVR a CAP `�. ''•,4�/ ll "]T.9']f v .0.23' (A•tO 2.' / ram' 1 ICR LO:Uu[ 70 1A0C 17a \�, r/ l2 N aS.9']f•r 15.aT' CI 7F-1TIY.T 'PJ• ttcltTaeO '=w Of S%U.EUE �\ L] N SI'7a•.f L ._S.' (( sD.17' 1' /Oy ., /•'/ i L. N 39479T[ 1.25' N •.L LM CyCCf'r'' i LS f SS'S7']f a is co.�p7 IC if N 3W a'3e A' b.15' 1 ]9710') / L) M S71R2Y w 5a.53' I'1 5 S eab.s L9 N 00.s2f E 13345 LLL SHORT SUBDIVISION F v,s er a Es ep••a'31 t Lf f en.•]r c u o°' E / it 51 El Leo 5 aLs'2r w 0O.00• /' L21 S 111O612T E 2.19• No. L12 f wn'2r[ o..r I ,] .. 1, PARC_C No. 1720t-IJ-OWW LI3 "a]2•:r E sra7• r;H ssc:;r E •i0 o_OGAEN �:; M M;5:•O'ar'( ::,7): .t a wan.ni 20 PACE 1n MERIDIAN: ua 5 7fn,. E sees ( i` FOR ROBERtl SUND USED ON LOLUYE 20 PAGE 179 OF WRYEYS I I 1 �+ u S 1/2. NE 1/4. SECTION 1, TWP. 22 N.. R. 4 WEST, W.!, LEGAL DESCRIPTION: WARNING -- - = SHORT SUBDIVISION R.fpan,;D;l;ly and ..,.n,, to, •AR.r'I Itl Du.:d:rq, ;m,rorem.nla w mc;ntmonc. T►A„r•q(••Or S'JItrEY:C.t[Y►rta[MON L0:S::f]n+S:O„).[COPDU�+ •ta'r„".. .' ,�,.m,mf and �nratr-C;,t n..c.� 1RA.'�w':9 i wAVEvS.PA.:c •3.,waroA's rtt•.. 600211,Mq AMEr_o raKr•e•or SHCR:SUC7,vort•.R. uu,AEcoA]E]u•.Uae•2x. 1fee. GO''J=RNAJCNT LOTS 5 dt 6 SECTIOPi 1, �O or trey l r,f P-ti N;f s I. {r -_ t•PECORO[O et ro_urr1 TO or swtra.a.«T79.chr aw ec„D A AM''L04's r•LL 4391.A„o eEIG PCRt:C.r Or COA-YOd LOT Six T JJP. 22 K. R. 4 lrJ_ T roAr:t u C ANCE FOUR LOT s:R p).s[c:wrr c:r[(:),rows.w rr,[•rtr-,: (q.stcnov u:i(1,rc•�s„n- ES , W,F,1, Scveiv;sion 1unlef. fYcn rocef parr (22; ,,R.„G[rouA(4)yESi••w u:nrr>r r IQREraCY fR>CT'e'[• W[S:,w ) •E'r^rNO(22)-"re.V:SE FOJR(q De.n accepted into the county', road , SrCR-SJe::ASID„rb. 1363.A CCR--0 J4vUMr 72. nu,AuOIICR3 rot u. 114.1 a epteShoff rest .ih Mr lot o.nas PAPC[1 R..42201-73-9G0:1. ALL:,wt P-ATIO„Cr COWERctrtvr LOT«2 5).SIC:Atf Orq(1).IOw,S.• 2. My further division or lots within( () !D%t:•=t Y+MZ;O-SVr.=:_1p A .CAD EJSE„LIT,x0 rtE-w w10-K an Nis Short Subdivision fnetl be subject rw[M/'A7(17)1gRfN,AA:q(/CUR(.) A[Sr,rv.,PMTICLLNIT Dt3CA'[L7 w7 KROSS•MI[S7A9L S'-i]AG:[3 Iqa CO„S;RVC',M13 M USr,wi AS I�ADw� 0[S:R.{[0 CI slgar fUa:�lflpl•.a. IS{],RECCRO(D aV.JAAT xx. 1fe{. 10 L:r IrQu;rlmrnrt of CDaD:rr I6.36 AT r-C"C""w(TT CCR:1o1 Cr TMCT art ft)01 l9RKY(prwts] AU:^CRs r.;t n. ..a39. LEGEND of XOSon county rode.. W1:C S::e?Mt5•Wr) 00921;RECORDED?A%E%CRt 19 02 SiR.E:T PACE 134, j{u:err ys-LISLV[•.r r0R „LTV►'JAPOSES•TO Si iir:au5„EY J.49 J. 1ec.'OlOfion 0/ $DOrf $u0•J.'Nf:On Au;r_R's r:2•P..{oosr.:r eq[aurD eror.9'EAST.M.c:q THE MCA-, TLE .-RIN :»rtC. or sv CC'.t R„utvr LCT Sr[({) 'C A[Sf ERIT Or V.S- Ltr1E tr u0.rAct art(1),ITS IS r[a To T„E A[srtRlr Rrnr_or_..• „ta-A•r to;M.o usTCR_ Or T l AE 7 ST{e{rE or SA.]GarE+tluE.vr LOT PROPERTY LINE .u:e;:w'r hb No. ;1E J Us.„rr AY 10%T„(vCC„OR',Ir3{Y•use.ALO„o SAIO S:r•q,AS.`(5CR:K3 I,!s••oR•S-.9:n13:o.n•. qu.a:-A][].w.AA• [ea►_r 0410-or-w.r Uhe .75 r[n T„Lx[vOA9r eo.e'sr REt.. a,1944.At`r_deR'S rk[....Ae v. 40•c FEET;?HENCE SOUTH 74`43.3r ALET,31364 FEET,TO ME•o:1r-. u 'y� tug a a�s2ie s:� •:c•slucltr roR Urinr r:RPosEs o„L.. •3 O FOUEIO L'NBCREN BAR k CAP PER VCWIJE �C HOME TO PURCHASER 03 Mr]Srrq Also RNCA:t•h9 0[SC.'9c]AS T„(Ksulrq PARCEL 2 v rt_ n PCT".a 6 „0":.scr.r RECORCC w w'-Lvc 73 Cr SUa'.r. PACE ),9 OF SUR1rEYS OR �5 NOTED 111••u t s w.[«:.n«-I.. eo.r.:.a WI[AD-vsmcut v.. 95-79.4[::aa]Ap:L:o. •a vf,ua'Ios tit•..{::-T:. .p.9.a.n R...ry.., «..tt•wA.0 w.K 9C:{00. �995,AupiCA-f •ra:aY• IN ply.YM M7/M p�I •t•h.{ 49 SET Sib" REBAR AND PaST:C CAP LS J18918 rv1Ca....rN va H ...In•a IAa:t• I. •7771-15-90010. Area.. rq'wr,.nl.tl...✓«N tM Ye..n S..•:c..0:•.crer. t[:C-'3. -:0'a03HL[C1 41[-1-7,0 FOR RCm A„o HE C rZ4•,.Es. O SOIL LOG HOLES w rr-i Pr.%C N. 31NA 7C r1%N Pr S W. c•C s:x at arc mE 19 C; DIRECTOR'S APPROVAL v•• nrac 154."r,AS SBy S l s.R.Er AE CR][O a1.10 DF 19 cr PACE['T,I•.:( 1ST,AM„OEO" O-''.0 A(CCR]E]M 101`QLUMCH 70- SLA'.^S Put tr9.•vo.S]ESCR'![]n.four.:.a❑DE A:s;Ued w u-7f. 1'•:);w) RECORD BEARING AND D1STLI:CE ^c]rA•a: for recorainq pursue.+t to A[t0R•[]A►R& to. 1923.Au:rcn'3 r.lt IN.{C3ecC .Moon Count/ utr. 16,36 •LTE�. 1. ,j."ZSULE:S 10 Mr EASEvEvT rCR YILT•P•RPOSE3 Of&,. :S _ CPET-'ri ft. a:Cnl,3„Ow:1 Or:.S:R'.tY Rt::P:E] a tC 'JE 1C Of SUR'.tV'S. _ •.GE '•'9.h,^,.TOR-S rNf'b.{te:3o. ^,,.ct.r o orrlrnu.'1If/ t-" {r PRfI•r(4013 It 1 AUDITOR'S CERTIFICATE TEA u.•s_•q Rr:u�• i•1`ir•5�?!r � 'oo•R - q ( 7 - yt •y.5 {, to:2 F;.d M,record'this dr of i 5�a) 023.11L[ I. ACRE2 / �:.w CCR:.cP `5• -Q;'.� 'f"SITE - 1996 of x. in '•.ui:rt ,�6 T n tY JrIL::V'EASEVEN/ r Vol. or $Dori P'oisls. 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TRAVERSE 7RAVER$E LRS 1' �� 1 L• 1 �, •` :1 erorl c - ne.xr ».a{•.: / E PlCtrrAT T:m '.CO:CO b SURVEYOR'S CERTIFICATE 0 3 1 `•` }ST. t c This mop cot Cvy r.Wertn:f C mnry L+L- ►E ma:e by m. or Yroer my srtcGon ;n l f ! 1 �•'I0 R 152411:•t is.lw COM0ID monCe P;ID the rpuin•ne+ts of L2 n trlwsr 1r SS..a• the S.ney Racord;nq Act at L'Ir U R 2r.r23•IT •2.7•' r*C...I of _�e(E Su„0 r'- L4 f 7r73'7S r 7.•!' in^AAC„tf1{ ti L. s.r.r10 a 9{.io L`�A yf__ L. f]r77.1s•r 19e2• L;"' 'e a�',�'•, 1 U R.s'72'01•t 3.13' R:cnc•d B. Norris 1 L9 R r F-10.w !91!' p / .... LASEat-If aERO.wlE: PAUI _ TO FUTURE PRO PERT'( Un::ERS: C a A. a-x!4I LOIS..r.Rt or mI: n.r. P[sc-r_91 �r "r•R.tiAL v9 ,I]7.:C' r --J�_ •R•r.•STEP'wNCM rus for ect:r•.-PRc.w�LST A•:IIpuP C wATn +ra?cnr,• sl. SMF.,SJSJECr'0 Tr•E•RCnS.O:R or_„APT 2•4-2sl N.C.Tbs a.:ER SrSTT.'.0 •.- ::{r:r]"[..--•---- -•-'----- . L•;2E IN:JO':vro CCYPL' C1 WITH ILL S A AID LOCAL uaMa:q:s r sUch TPA[ -IEr2L 7 (�1 ;.sr::'•r E. r N*..r chc:r THE SIRUC:JAES IS USE] S A APpx,HAS rq„_.Augr UEweia at �1 VV RCV F'.Ct.OR C-4 Cr tn['ARCELS SOLD.1(40 ALSO UNGERSTAN)TMLI 1(%C)WILL 9t { r .[SP:: •rs;3ls r:♦ .A •q :s w•FER 9rs T•....a tawNJ+tE P1„srArt.4 LOCI SHORT SUBDIVISION RL:LLa,C AS A PJa'-C rArER'-ST"CA, r rEAS:aL[.PROKOi„G AJ.ALT1R:4:NE SO:U:L Or •A:14 AT SUCH DYE'HAT ONE Or MOVE AVEREYCED COWITIOIS OCCURS. No. _ :1Oe„:�O Ua It CC„VAUCTE],rra:nrw E],oR PART: )Va. 42201-7l-90010 r ! S'dr[A•0 9(CCIISTPucao OR YA:Tr E]'4TMn {2201-7�-900T2 MERIDIAN:D_IAN: _ A�1 00 Gr[r Of at ISArER SOURCE rwt.'COUL]cc„SnrJTC axS::r.[Cl cc:rt zut„A REv ah rx TOR R 'R&G S3:C UR2f,S[PCC TANKS. TkAS. OR.R.rFFZ 3.TE•tt. BRIAN SUND S O• S.sE]Of'.O VUE TO r[E 1 C!fN.M ACL:'•10E4CR:_„p SCMO[C.L O s-LM oq rE,R .3. 2Gi' MAIWA a(S roR wMh CHE ern TO ME.KE 4 uMaR(.LRxv:ON oR•c„[Y:CA:srDAAcc,„EaeC:O[s. Ut +1SEC'C=S.vAJV1OMS wAS-.t ON ACCUWUTA:A,rf OF SCALE: _ waAGE. IT.: 1/4 Sc 1/4, SECTSECTION1, VIICCII•M:.EIr:[] T.;T-. 22 N. R. 4 'sEST. 7I.AI. 13. q6W f MARTIG ENGINEERING 2116 Lakemoor Drive S.W. Olympia, WA 98512 ( 360 ) 754-9687 June 24, 1996 Mason County Director of Community Development 426 W. Cedar P.O. Box 578 Shelton, WA 98584 Attn: Gary Yando Re: Geo-Tech Assessment Compliance Report for : * Short Plat, SPL #96-112 * Robert Sund, Owner; * Lots 1, 2, 3, & 4; * Tax Parcel No. Dear Mr . Yando: I, Kenneth W. Martig, Jr. , P .E. , of Martig Engineering have completed my engineering investigations regarding the Geo-Tech Assessment requirements associated with the above referenced Short Plat application. This letter report presents our assessment in accordance with our site reconnaissance, historic familiarity with the site, and information contained within the Soils Survey for Mason County. In summary, we find no geological condition of instability that would prevent the approval of this short plat as proposed. BACKGROUND The site has previously been logged and selectively cleared. Access roads have been rough graded for logging and preliminary drainage control for Lots 1, 2, & 3. Fir trees and natural vegetation have been left along the bluff between U.S . Highway 101 and the top of the bluff bank along this proposed short plat easterly boundary. Domestic water will be supplied by new private wells as shown on the Short Plat Map. An existing private spring water system will remain protected on Lot 4 as shown on the Short Plat Map. The On-Site Sanitary Waste Disposal Sites for the four lots have been reviewed and found to meet Mason County health code requirements by Mason County Health Official, Kim Lincoln. 1 LAND DEVELOPMENT N The four lots are intended to be developed as single family residential lots . DRAINAGE AND EROSTON CONTROT, Individual drainage and erosion control plans will be developed and submitted for County review and approval along with the residential buildings permit application for each respective lot, once an owner developed plan becomes prepared. This drainage and erosion control plan will show how surface & subsurface drains for existing runoff and drains for all new impervious surfaces will capture and convey said collected drainage water to a safe discharge location such that the stability of the soils remains, both during and after the development of each lot. Wherever possible, natural drainage courses will be preserved, enhanced, and utilized with easements dedicated if/as appropriate for draining multiple lots . STT . ROTT.S The site soils are classified as Hoodsport gravelly sandy loam. The drainfield test pit soil logs show root penetration depths average 36 inches . Deeper soils are a light gray, strongly cemented mixture of gravel, sand, and cobbles . Regional groundwater emerges as spring activity at the existing ground elevation along the westerly boundary of Lots 2 & 3. These springs drain thru existing water courses, safely to the ditch along the westerly side of Highway 101. The easterly boundaries of Lots 1, 2, & 3 are located on the bluff dropping down to the roadway of Highway 101. No slides have occurred along this portion of the bluff, nor do any signs of pending slides appear visible. RT.11FF START .TTY The existing bluff along the easterly boundary of this proposed short plat along Highway 101 is stable. The dense, compact, dry soils of the bluff, described above, are stable since no free water flows within or over these bluff soils . Even freeze-thaw erosion is at a minimum here due to the lack of water at the surface of the bluff . Stable older Fir trees and understory vegetation exist on and at the top of the bluff . 2 CONCLUSION The geological soil conditions, including those of the highway bluff, at the site of this proposed short plat are stable with dense compact soils excellent for structural stability. Therefore, no adverse impact on the adjacent highway bluff should be experienced if the proposed residential development, as outlined by this proposed short plat, is permitted, provided that an engineered drainage and erosion control plan is implemented as part of the development. Submitted by: itT�� �'�'` �?• Kenneth W. Martig, . , P.E. Copies : Robert Sund, Owner . 9 = � Richard Norris, Land Surveyor . �� s�t'�sTEP�G��'� `S/ONAt E� EXPIRES 1-9- 9 S 3