HomeMy WebLinkAbout2009 N Baker St - Misc. Permito
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Projcct nvo. I l-00.l'tl
lvl r. (iia Ngulcn
l(X)9 N. l]aker Strcet
Sirnta.\na. ( alilbrnia 91706
S ub iect Lirnited Geotechnical Observation/'l'esting ol Pr-rol and Spa tlacklill. 2009
N. Baker Slreet. Santa Ana. Calilbrnia
In accordance uith lour request and aulhorization. *e have provided Iirnitcd
gcgtcchnical ohse rvatiruilcsting based otrly ot.t 1'our calls. 'l hc Iimitctl scopc ol' rrtlrk
consists o I' obscrr at ion ltcsting ptior to placem!'nt ol'backllll ol'thc pool and spa locatctl
at 10(19 N. []akcr Strcet. Slnta.'\tru. Calrlbrnia.
,\ sitc r isit uas done bclirrc rhe pool and spa *as backlillcd. At that titrtc. tuo ltolcs ,rl
l0 by l0lcet l.rad been made at thc bottonr of thc pool. Contpaction rras donc l.rr rrhcel-
rolling ofa small back-hoe (Bobcat) and watcr was sprayed as nccrssar). lhc llll
materials consist of light gray sandy' silt. The laborator)' test results of the reprcscntatil c
soil santple olthc llll ntutcrials indicate that thc cxpansion indcx is 19. rrhich lirlls lithirr
the verl' lori erpansion potcntial classillcation accordir.rg to C'[](' 'lcst Nlcthocl l{J-2
lluscd ttn thc lalroraton tcst results of the rr-'prescntalir c soil santplc ol'thc Ijll rnaterials.
tlre rnarinrunt d11 ,,lcnsity is ll.l pcl and tlte optintutn tnoistttrc contcllt is l2 percctlt.
Ilased on our prohing and licld dcnsit\ tcsts. it is our opinion tllat thc llll has hccn placcd
in with a minimum oi 90 percent relative compaction based ol'l t.naxilnttnr tlrl dcnsitl
pcrformed in accordance rvith the ASTM D-1557.
'l'hcrefbrc. it is oLrr opinion that the bacltllll lirr the pool and spa shoultl he sLrl'llcir:rtt lirr'
thc intc.nclcd purposcs ol prrol and spa dcntolition. Sitc-spccilic ucotechtlical
inrcstigation nccds to bc conducted to cvaluatL'the subsurl'acs soil conditions lirr lirture
irrproverrcnts. il'an1'. Il'you havc any qucstions regarding this rcporl. plcasc call trs. Wc
appreciatc the opportunit) 1o be of scrvice.
S incerely.
1'Ol{O INI trRNA'tlONAI-
a-- ftz
I Iantoro \\1alLritln,,. GL I|6)
l'rinc ipa l
EXP 3/3T/19
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