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406 1951 Mace SNW
Ly-oriwood, WA 99036
Januhry 3,2014
'I1rqjo(.,,t No. 13062
JAM YY
Sulled: Odginal Made Miermirmdon
MmDonqld ReAdmea
19110 80t" Ave�i I Uto W
1-,',(hnonds, Waslihvton
'the pridorignedwas ons4e on hHumq 2, 20-14 to (rojjjptete, several additional band llojo,
oxcavalions to supple-mont ottv oxr-isting joyovAodge 0, the, stibsurChoe, conditions Oil tho sulijeot
1)rofvriyTile City has asked IN the la(,-,ight ealoulations ji)r the plaviiied newrosidulice, to be
1'a"'ed Oil orl't')"inal gn-ado foi' the lot, Tho r011owing loitor is, basud on tho hand (Ing, explovatiails
and on Our review 014110sur-rounding tol-lograpIly.
k WIdC-flai'r1'bYVaSh0I1 lodgrilont till sedfinonts= D-oringflit, initial
("Ie've'lopme'lli of -the provious Ilouse, the migbal topsoil fild Wentbored lodgeme"vil, till Soils Were
romlovud fivoill tile, -(qjp0v, e-fistern pordlol I Of the, proporty and plaoud tio-voss the Westeen, side Of-ille
pmporty ina thivi fifl11ottor qnality till juaterial-, worL 0 q
i then t)laeed it) provido drivew�ayacms,
aei",o,,,,,s the east Pottio-11 of A lov The Ali (kovoss, tho cast , I& , ) wag -1iiqr d. to be 12 to 16 itiolies
thick i'll the explorations and set tolman"Igain'kit tile. lomyr port
* jon of the matherod lodgment till
sodbllents� The lypioalwquenou ofLandis turbod soils Sop Afashon till sommAy 0onsists of 12 to
16 ine-hcS topsoil ovor 24 to 36 hinhes ol-wouthered till sedimom*q, Bawdtan thO
olovation of ibe donse, lodg' 11 lent fill at -tho oast side, of' tho
locallon and Ihof addition oCa -minhouln or-25 -root ortopsoil and Weathere'd loll Very
Con'survalive), the Original grade, Of the" lot, a( points I'l mid -1) was 381 Or 1,1911of, '1110 origitial
grade at tho love x wv�,(.sklo, !,olnts A and C! on the site, plan, was butween 375and 176, 'Mu
Variation cofvlosfroni ai.1 nnec"t-tainty orbow 41i'v down into the undisturbod till soils tho Original
house tvas uxuavated tmd whether Or not 1110v was t1irco or 1�irur *,ot of'origina]
tqpsol . l/wetatfieved soil titop the, Intruni sodirrient, Itt is our opinion bilsed o1i Our Ot WrVatiO118 and
explorations that the. oxisting grades around the Old house location ave, all ni, low.'t n1bot lowev
thal-1,1110 origiritil gxade offhe ]($I,
,010 trust that this SRI! matio-11 will old wiNi tho design and dovolopine'll! of' tho nowrosidemoe"
111011w," oorritiot tv., if you DOW forther geowelmiCal (A 19-114,11(ONSW �.Vj, A, -we or consultation,
SWAY v V.,
Hatter"Iman Gootechn-foril Considting, Idle
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