HomeMy WebLinkAboutShort Subdivision 2771 - SPL Plot / Site Plans - 9/6/1996 3 7 � 6
REEL 1 111 FR 3 3 2
Shmt SuLdivision
M:-
Cuctw Un11y Uwekpr,y
MARTIG ENGINEERING
211.6 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, & 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.
BACK B 01 112
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 Hap. 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
9-6-9�
6337t5, 6
PF_ELI FR333 .
wh�rt Subdivi$ion -2��----
An
�o
[Tian: text J'ity Lla++k�pme*�t
LAME DE_XEL OP BENT-PLAN
The four lots are intended to be developed as single family
residential lots.
DRAT NA(;E_A_NI1_ERDSIIIN CONTROL
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 erog-ion control plan will show how surface 6
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.
SITiSaII.3
The site soils are classified as lloodsport 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 rF 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.
BLUE)=S TAA T I.=
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
9-6-9b
6337 S6
RFEL1 � hFR33i�
Ch;,:t Slil,di:ision /
(h;o,:1�x a�xrwnitr Uevelc>a�rs=:�l
C.IIH�I.LISZiJti
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.
1�l1
Submitted by:
Kenneth W. Nartig, .,
�i
� � a
Copies: Robert Sund, owner. 9"- KW2 ,moo
Richard Norris, Land Surveyor. F "ISTO"
EXPIRES 1-8- 9 g
3
9-6-v�
"EXHIBIT B"
Sund-Mason EMR
Descript ton and Conditions.
All that portion of Govt. Let , Section L, Township 22 N.
Range 4 :Best, �., and all t:at portion (:f second class tidelands,
including snv tidelnnds of the second class sultat.)le for the
cultivation of oysters(and the Reversionary rights therein)all
said tidelands being heretofore coliveyed by the State of liaahington,
and being situate in front of, adjacbnti to or abuW ng upon said
,.ovt. Lot 6, and all lying East of hhe Easterly right of way iine
of Primany Stele Highway No. 9 (Olympic HI*-�hwAy) accoraing t o plat
no. 207 in the office of the Co�tsmissioner of Public hands to Olympia.
Said tidelands measuring 21.88 lineal chains, more or less, alont3
the Govt. meander line in front of Govt. Lot 6. 4
t
To;>etr_er with bhe following rights an. privileges:
Seller as-rees to permit Purchaser, or• hi,-j successors in lnberest,
the ;unhindered right to go upon the land of the Seller lyiu:r crest
of said Olympic highwAy for the following purposes:
1. to 3emrch o,.t, drill for ari(i deve.op a water source,waufficlent
for the development of the property herein described, and Vi ve hie
consent to the necessary State Appropriation iermit. also, to give
a perp-ttial easement to an area sufficiently large to erect ana main-
tain a pump house and tank,tand to cc.nvey the water ofi the said
prbmises. Said Seller tc have ti:e r:hht to -1ve reasonaLle direction
as to location of facilities.
2. to excavate dirt necessary for the development of a41d
property, and ,^ive c6risent for the necessary State Removal perms - ,
Seller to hove the ri,7tt to paint_ out the arena to be excavated,
al long ns it is consistar.t Nvitt the State Permit, and with good
excavating practice.
to permit a Surveyor to go upon his land for the purpose
of staking sites Lur water development or excavation of dirt,
or in the course of surveying the property herein described.
Seller a?tees to extaolish the North and South boundaries of
the property herein purchased.
r
4. Seller agrees to the assignment of this Agreement, or the
subsequent Reel Estate Contract, by the Purchasers.
4
e on Sellers property l $_ ►e�t of tits �,u�i- '
bwtztr in Govt. Lots 5 and 8, Said Section 10
eDt that no
development for either water or dirt eemoval will be permitted
Northerly of a small valley running in an Easterly and West-
erly direction chose to the South line of said Govt. Lot 16, !
17
(XXX) RECORD BEARING & DISTANCE
th
f0
. .... S 05'44'18" E of
17.76' FOUND AXLE
FOUND LINDGREN S 89'18'41" E
k BAR & CAP 586.46'
v AL
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30' PRIVATE ROAD & UTILITY EASEMENT �� Da
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M T r 30' 40'
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S 60'14'14" W 20' , i Vo.
41.87' `F, of
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L10 L15
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•'L/ 61 13
/ /`)ttp. LOT 1 ,.
ly/ ^��%.•' G)s6':s�. 1.85 ACRES ,.
L11 -�,•� rock, 30,
DWN 8
16
�\ L1 yl, N 59'00'33" W ` EQUIP.
L6 ��_ o 10.00, 3,,i
t
O 1 40' IRE
Ir
c
L5 'LA ~�4 A 6�70� f -
WAT
cv o� TAN s p cs F 7� `L / ��CENTER LINE HIGHWAY #101
v,�b ?`�O�� LOT 2 .. .99, 8� � � (ASBUILT) '
1.00 ACRES...**
' 7�3 6 Q� F-
A/o,
LOT 3 `�i. �' i co
1.61 ACRES',,
TOP OF BREAK i jn
�. N 59'00133" W '
N 00'56'13" E / 10.00'
I r-
)oo o :oo zoc' SHORT SUBDIVISION LEGEND WARNING
IN PROPERTY LINE •, I. Rnponsibiiifj and e,pense for .1
SCALE: )' = 100' GOVERNI,ENT LOT 5, SEC .ON 1, budding, improvements or maintenance
7 O CORNERS FOUND AS NOTED I of easements and private moos leading
T\VP. 22 N., R. 4 'NEST, W.M. to or a.r ny Iota within INS Short
Suvdivision nlasf aucn roods have
0 SET 5/8- REBl.P. AND PLASTIC CAP LS 018918 been accepted into the County's rood
(D SOIL LOG HOLES system) $hall rest rilh V.0 lot orn.'$
%)(X RECORD BEARING h DISTANCE ?. ^Y further division of lots 1.8tin
( ) I this Shur( Subdivision sholl be subject 1
uvOGRty to the reQuvemen C.4;s of C.'lcptsr 16.36
w8,i1N(z WYE:V47;CT s - 3 Os.•'If[ I of IAaaon County Cod..
.r atl9'09' F 17.7a' t fWNO•JIL[
13261a' ana•.1'( 1 J. EPA'$ ition of Snort Subdivision
FOUNo uHocR[N k SEPA mitigation meo$wse
f4A•W Sa4.44' /� /
Audifoi f File No.
w
LEGAL DESCRIPTION:
/J���ry �ry f NOTICE TO PURCFASER
ILL NIT PORr4'lN Cr:a4k-mi.Y'LOT FTE(3).SECTioN O.,[(1).TOWNSwP / - I oY Y r TM I.uL p w.A,b-A..MW+1.e wzN.V"_d
raU.TFFaO(22)NCi'N,N:,GE TWA(•)WEST.'a N..LTINO WESTTALY Of M[ _ // •p,gnUw Mv.M......W Z.;., -.-
rtSTL.LY A.ChI-O;- AY Nh(OF U.S IYCAAT 101•EICLF:'"THOICIROW ALL
/ e / ' •eW1eM.••IN r,e l• W o,.2,:,.s 1.•r.11A n Ieli.�
MAT ICRn01,F,11LI PUIIICUTAIILY 011CR:3E1 AS IOUOwS. �l [ M...1N•i M wave rAv4 A.W, U
nc:�bNq AT THE +!M•Er COz.CI a TRACT ONE(I)of 3Le,EY(ESCWPIfD P�.,s .aU Tr(ca IM1uilk �tt..�IAnt p1.M•.c,N rpu amen,$•...pL•e►y IM'Ya•an
IAACE LOT SL30V1S.`'.)AECCROEJ N VOLLWE 19 OF SURVEYS.P•CE 154. sera I C..r.ry N.aln f.M.w•JI/KIN-
AUCCOA'S FILL N•(:C921;MC:CE WAN$11`02':P EAST.ALO:.G rh[HORN e4c,1.6 1Wx1JL lf A/ -%r I /
Lf.E Or&.a TAAC-C'.0(1).A74.73 fEET,r0 ME a(STEALT A,-Gf.-Of-WAY DIRECTOR'S APPROVAL
1,,1 Of U.S.wG..'A•T 101;NCIX%MOAN 2e59'21•EAST.ALO'.G SNO CI
WES 7ERL,RIGM-CF-••Y LvIE. 110!no.T1•EVCE NORTH fpla'37'WCV. q pursuant to
a01.$a rtT,THL`.C(SOUK 7t45'3• WEST.11..66 RR.TO ThE PAN LOT♦
T Of 'LPPro rC, for recording
39.a9 ACRES r O f' Nason County rt:t 16.J6
Silo Laro SEV R.W XPE3 G Aft;-OW"
A,:O O( R: AS ME RCSuIN.:PARCELI Of Y l °C' l
9UttiWT L:�C rC.LT" EHr w.95-I9.M:OACEJ APRIL 10. 1993.AUWIOA'S ,1 '* 'IA'
A-E h• aCL3'V. ' •'1 --y ', j• .rectOr O omm,:n,y ✓Iva Opmenl
, Data Approves
PARCEL w. .201-13-COOCO. i \ ' ��Y,�, >5,:•. / ]0'►An'ATE ROW L I/flllfl(ASEPi.YT ^
30.
1•r IRN.7E vow H.,Oa•»•t%� /. AUDITOR'S CERTIFICATE
Y 1nA TV Chi: LYT Fa.ot•
I 30•�L y', y Filed for record this day of
LOT 1 - S 4; / '996 of . M. in
1 l'' S q1••1.•r a. Vol. _ of Snort Plots. pogo
.1.67, ,._ {C '' %I R,CWAJ s.NORRIS
L1 7 '*,ti at the s fil. t .
1.3
TT 1 ,'���a° Auditor's hlr No.
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,''L °° • ``,�7.3' Mason County..✓ddor. .
�.�. La.Fn[r.r /, -l9 �
`:.rp`fr �§�G't ,� •I .. ,
too:A
.FOREST LAND SURVEYS
Yr t ewer
L07 IV , / SPRiNG-{��
g 2 (a ♦ti% 'YP'rJ' t.,'' Lar RICHARD B.NORRIS P.L.S.
, '/ '' Lu7 •f'1�1�I C'j�l, I.a3 ACRES
JJf��y"���r.►.o.M.M7 - (3.0).17-3330
R DETAIL 'A' `r, +'�
L. .w: W y '\,► y ;. ti ,r i.rf::'�f..cron r.:,+Nc�,l 9uaa
CAUWNT FOR WAN.TEriU:CE - 1 -' 'e DATE
e RCTNR OF'MATE Sn'E+,� '^J 1s ea '.8. CIJOO S1(22.A)4 3 - 9b
loar R
!`� p'y'•'.////��� L N Sfar3T r [OUV./PAOCL0l7R(:
LOT 3 V
WOO.20' t 'rh rl ,u "' yy o j r .'L . 3' TOTAL STATION k E.O.u. .d.N
N ,• Yi?\',+ : rrs w' /FIELD TRAVERSE
LS
+ L y r•rtR I r a"? L� WI 3URVEYOR'S CERTIFICATE
ifj hI if ry o� fy7y,S/ rb rr h CVlrlx Lai[ AY�101
o[RRW.G i a; o g.e •���" LOT 2 as.Ao• (AsaulLN
'1DO ACRES T This mop Lorrecty represents d survey
~AiJ •• ? /,;� moo. by me or under my d,'ractlon to
LOT) conformonce with the riouiroments of
1.61 ACRES- ' / the Sa.rrey Recoraing Act at the
r.q..st of WS SUNo
_ ,• I TOP Of ORE. \ / . In UARC.I laid
0 10.00' /C,4 Horns
U,a,
?a • .l. . 169t
•� W'P.VATE ROAD a UnL.:r r R ... \a.t•S' WES21 nord B.TERLY RFNr-Of-W.LY U.1
!0' / USE•.C.T O,ER 0157:4 AOw gi I 15a.s. S AS, /
it is2s.
t___' _. _ eF llf
fat• ....... ei
nk
rot or stop[ e4�`/ LIME TF91_ CUR•fE TI
/ )
�•j Yli.q FOW.O'_NJGREr BAR A CAP \� h LI N]S'.9'3C• W.7]' (Aw10 7a / `1•Y
PEA LV.UUE 20 PACE 179 \�, 1`/ 1.1 N 3T.t]f r 13.a7' .13'.S ,Ply�Rlt9sp��;
LZ V N 31'20•.t[ 41 C tl.17'
Of SJ>.EIS �\ La N]t a3'ST t 1.23' i slat L$P'o
,•' La.�L.aX �L r L3 f SY37'31r b 71.00• _ _(,
a,1 \ Le N SZ1t2Y. 3075' I '
fC p) / l7 M 371t2"
r 3$.SS' t1
3 S eo asg US N 00.3'L• E 133.43'
"5eT A (S eV•e'ST to S eW14'3T( 43.00• SHORT SUBDIVISION
_[i5'ST E) 00 f o 4319'r 00.00•
•Y�' / s / LII S naT• T( 3ansO• No.
L11 3.a1t29 H t . '
3x c0�I `7r L13 N$4732116't Iffy- I L PARC;L No. 4720t-I3-00000
r LI. A 31 3YSt', e7.I2'
f N H [ 'FWhO UNoGAE„OUR a UP ,
PE.LETLwE 20 P•CE 1Ti MERIDIAN: LIS N L1a f 7.'21d3fOt1.1 a' t U73'
( y;q• FOR
a SUR.LYS _ f ROBERT SUND
�• eASEO ON YOLU4E 70 PAGE I:a OF SUAN.YS I I"
S S 1/2. NE 1/4, SECTION 1,
TWP. 22 N., R. 4 WEST, W.;t,
LEGAL DESCRIPTION: WARNING
-- - -== SHORT SUBDIVISION :r,pan,;D;,;fy and a,pens, ra,
•AR.�1 OI DYE:Csq, improv<mentf a mc;ntenance
rrA-,r_.1F -A SU S'JII U -s.,A LMIX LOr 631 GooN)WORRIEDAM ,- ;ta•r,_`+-, 0.'eo,rm<nl■ and prirof< rocdf leading
IR7LGYR 'f 7f SUR'1trS.Pti,[ 'S•,w6ro11'S ret•Hr. 6W9t1,w A+•L'rC rPKT'{'Or!IEEE[SUl:r,1SID11•.<. 1563E RECOR]EJ,A'•L•%b 22• 12T6. GOVERNMENT LOTS 5 $ 6, SECTIOFi 1, 1J or ,eninyy rani R,M;n live $non
er!_>rt•PtCORetJ rT LO_GY[2O or sNR•aa,a,c[ 11f..w et'HR. w JR•1 nL!r.e..a39•.M,o!FEED A PCRr.C:,or Goa+:vent Lot SI< T'JJP. 22 N., R. 4 WEST, W.M. 0
Pdfr;r er COv[R•0rtrr Lor s.a p).sECBOt•can(:).rOOrES,EM]wart.: (q.strnov ale h).rcAsH1P-.ENLrwo U2)wRr,.o:.:E FOUR(,) SUveiv;rion oleo .IKn racer hour(32`rtR'+,RAWA FOUR(<)AES,,•lu:nrr.r•�W. R[latu Fn C-7•; rfS,.Lu. Deen occepfrd into 1nr MOOS .,# ,
SNC4_•AT;:ASION 14. 1f63,RECCR-10 AArUMr]L 19T6.AUCTIGA'S FILE r DeeiSy.t ) shall hat rth Co bI Ornrd
A.A.939• ►NCL' Ne. U201-:l-Nq:1. the
ALL iAT P;Rno.Cr Coi\•;Llw LOT felt(S).stcrm WE(1).Towhs.v 2. My further division of tots rith;n
IC%t:•SOBS'A A ue:::�p A rAS [wsfYtvr.20 rtr u+,are.(vn toil Short $YDd.i,w., fowl er subject
M[rRr-w7(2])1gRM,RA 1CC/CUR(<)R[Sf,O.u.,PNTICLLVILT D[SCE•!EJ ANJ ACROSS M1 IS1,TL'S-i]RCI:AS 110r RJrstRURD MID m USE,AS Rf r'�ep a(s:e.e[D rt Shoal Sue:v11011•... 1563.R(CCRDto ARvmv 12. nee. to L:e requ;remems of Chap:., 16.J6
AUO.'CR'S r::[Ne. AAT!9• LEGEND of Mason County Code..
erg•.•,rO AT t E)REMORSE CC\:1U Cf TRACT9OOral(1). GE 13 (dCu•TS]
LMI;I E:;{a.YIfAON)COW.'RECOR r i E%CRT If Or S:R.E*T,PAR[ 1E•, =E ter\.A�A:•EASEUC•.T/OR �r:.L7T PJRPOSES•70 3E 11:-aUSNEY J.Ei J. 1rG:OfOfian 0/$nOA $Yalinf:0/1
w:i:fS r,L[pe.{a.[]::rA n 1 KRM TO IN(
EASSTER KO)R-O ref-" Tkl:-RM :33 Ftr OF SLD CC.14NU[`1T LOT 11a({),!r,O ACSTlaLT Of u.S.
L24 Cf Ul rPKT arc 1;I{7e.Es rta.TO MC AEsrtnr Rfj,r-a-wA• HAV u1 to: M•3 EASTti• Of r t A(sT 686 rtir a SA.D CAlStE4p,r r u PROPERY LINE Audi.w s We No.
Ac ,t uNIGHT-or-RAY
I T-r- np M(41. e0E•-WWI`LA9r,KOHO SMO St•q,A{_^CSCR:KZ x S'AT Sd:ars OH,w. qe3,\C:RJ[J,WENT+
%[S'E':F R,RMERCE So tm Af.,3 ![L-:,513 r0\!N To•THEY ORS:, 22.1168E MraCATI FILE�e ••(!N.
•0'l:RR:TNfMCC 1011M 7rU']Y AIM,Elf{{FREE 10 M[•..31•'ILi• '
lGGC:.3-e.^_f ZiZLrL:l:� A,E,StrtnT 904 ur.L•rr P.*Posts oNLr. •3 O FOUND LINDGREN BAR & CAP PER VCLUIJE 2C NOrCE TO PURCHASEi
rt= a rD:A,AS S o•r.cr SLP.^RECOAO[a w vo_LtrE 2;or sua'.r. PACE 1:9 OF SURb c^f5 OR AS NOTED ^••'•2.3.<< `"..-LA,°. _e
fa- -Y:D f(r,0 ALSO ACIll . I D[SCPf:G As Mf:L so.-1 ►Matt 2 'r PAC[ 171E u3.10R's FILE•.e. e:l'3:.
eo.rJ•<r•e,C,O,vfl,6rt re. if-D. •C::fJ[]uA:L :0. 11)f,ru01tCR'f a Iw w,[<�.l e..,.•;1,.<.u:wYp
rat I. ec:Tao. • SETPe'ca.. ..,...a....,,,. ....
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Sig );BAR ArtO ? [S':C CA? LS Jima _ „,w««„I�nepr r r.
IL:�aa eap�In( e Ail WNW a FOR Rc,J Ta Mort,n1E.c11s. O SOIL LOG HOLES
6J 1-4 „A4 R 7r 7 3e rte-1 rr_S aH UCH sal a!Hc car<<;:•.F DIRECTOR'S APPROVAL
A•:[ATM IIIII.-C,AS s,.c'Ar Or: ACCC/R(:.IO 01'.10 ZF It .
PAGE K,rA:E AS SC'SED 7N SLO.: '_'hl[J 'S%C'l 70]/S:,R.^f
PACT ITf.Ara AS. 199.A ^E swN1v 1H[Aas:w[:u w H-29. ,'•:)ix) RECOP.D B�iRING AND DISTAL:CE ,:cor2•a: for fecora;nq pv .C.'r to
R[CO\:[],/\4 10. 19H.w]r:Ce'S r.LE w.6C3lK Mofan C...h, .,tie 16.J6
Y�C-. = AL`•'j3�LC^_T 10 M,US[waT MR UTLTr P;Ra0SC$OrELr. :f CR£T-'•i 1`A `
FE_ :C erA,SHO'ea DN A S� ,,I a
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-AGE '•:f.tiOf011'f fllE'b,eIl:sa. ,rector O Of;mr U.liry Wvr:p.•n<1i
1 Ca:*Approved
JS fP•
63•PRr1A1[40A3• - AUDITOR'S CERTIFICA TE
Ur.L'rf LASEUF•.r �' r.' E / 1.3, l
2.1,111 u-
tA•I:�x h: �� /. -('is•`?:i L, .�.\ .. () (-*I eQ•) y.
��/� i� •f-t 6 Lot 7 F; ry:ed !ar record�th;f C of
r:E rORe.V r LE` ,} ".1"sell
r.13 ACKl 1996 of , M. in
4 Lr[
L /'• e,IS'dnL V EASEU(r1 fi 1 vol.Ole request of
o/ Mots.&",A Pd:f\t
r AE.d.ror•s fin. ,to. _S1R_f 3£�_
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•<[ %/PAN GAPATL{
n,/ hoK[��•t��-'I �: �� /.:\ �,r �• 'ice'-L'1 va _�•. 0 .- . •OT 3 _ �• , _ FOREST LAND SURVEYS
a[i NOT[.� r n 1 ea•e e. s 3aa a a[ r RICHARU B.NORRIS P.L.S.
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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 f96-112
* 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.
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LAND DRVELOPMENT PLAN
The four lots are intended to be developed as single family
residential lots .
DRAINAGE AND RROSTON CONTROL
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 . SOTI.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.
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 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:
Kenneth W. Martig, . , P.E.
Copies : Robert Sund, Owner .
Richard Norris, Land Surveyor . cc�s10NAL�aG
EXPIRES 1-9- 0 S
3