gmw.consrv.ca.govgmw.consrv.ca.gov/SHP/APSI_SiteInvestigationReports_OCR/... · 1988-03-14 ·...
46
•• p,P 1548 MOORE & TABER GEOTECHNICAL ENGINEERS AND GEOLOGISTS 4530 EAST LA PALMA AVENUE• CALIFORNIA 92807 · (7t4) ADDITIONAL SAN Dl!:GO BAKERSFIELD Advanced cardiovascular systems, Inc. c/o Colborn-Currier-Noll Architecture, Inc. 10675 Treena Street, Suite 101 San Diego, California 92131 Attention: Mr. Peter Noll SEISMIC STUDY PROPOSED BUILDING E AND FUTURE PARKING STRUCTURE 26531 YNEZ ROAD TEMECULA, CALIFORNIA March 14, 1988 Job No. 188-026 '.L'he following letter-report summarizes our findings and con- clusions with regard to the seismic design of the above project. A supplemental report addressing local faulting in the immediate area of the site will be submitted separately. Specific geotech- nical recommendations will also be presented in a separate report. The subject property is located on portions of Lots 1, 2, and 3 of Tentative Parcel Map No. 19145. Site Conditions The earth materials encountered in the exploratory borings consisted of alluvial deposits of semi-compact to dense sands, silty sands, and sandy silts and soft to very stiff clayey sands and clayey silts. Groundwater was noted at all the test boring locations at depths varying from 10 to 26 feet below existing grade representing a range of elevations from approximately 1020- 1032 .
Transcript of gmw.consrv.ca.govgmw.consrv.ca.gov/SHP/APSI_SiteInvestigationReports_OCR/... · 1988-03-14 ·...
••
p,P 1548
MOORE & TABER GEOTECHNICAL ENGINEERS AND GEOLOGISTS 4530 EAST LA PALMA AVENUE• ANAH~IM, CALIFORNIA 92807 · (7t4) 779~2S9t
ADDITIONAL Q~rn::~!;;
SAN Dl!:GO
BAKERSFIELD
Advanced cardiovascular systems, Inc. c/o Colborn-Currier-Noll Architecture, Inc. 10675 Treena Street, Suite 101 San Diego, California 92131
Attention: Mr. Peter Noll
SEISMIC STUDY PROPOSED BUILDING E AND FUTURE PARKING STRUCTURE 26531 YNEZ ROAD TEMECULA, CALIFORNIA
March 14, 1988
Job No. 188-026
'.L'he following letter-report summarizes our findings and conclusions with regard to the seismic design of the above project. A supplemental report addressing local faulting in the immediate area of the site will be submitted separately. Specific geotechnical recommendations will also be presented in a separate report. The subject property is located on portions of Lots 1, 2, and 3 of Tentative Parcel Map No. 19145.
Site Conditions
The earth materials encountered in the exploratory borings consisted of alluvial deposits of semi-compact to dense sands, silty sands, and sandy silts and soft to very stiff clayey sands and clayey silts. Groundwater was noted at all the test boring locations at depths varying from 10 to 26 feet below existing grade representing a range of elevations from approximately 1020-1032 .
MOORE & TABER GEOTECHNICAL ENGINEERS AND GEDLDGISTS
Advanced Cardiovascular System, Inc. c/o Colborn-currier-Noll Architecture, Inc. Attention: Mr. Peter Noll
Engineering Seismology
Page 2
! Regional Faulting - Earthquakes occurring within approximately 60 miles of the subject site are capable of generating ground shaking of engineering significance. The project is located within the regional influence of several fault systems that are considered active or potentially active. The relationship of these faults to the site is shown on the accompanying Earthquake Epicenter and Fault Map presented on Plate I.
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Slip rate information obtained from the u.s.G.S. Open File Report, 84-106, Preliminary Slip Rate Table and Map of Late-Quaternary Faults of California, provided data to determine maximum probable earthquake magnitudes for specific recurrence intervals, shown on Tables 1 and 2.
Historic Seismicity The historic record of earthquakes in southern California has been reasonably well established for the past two hundred years. More accurate instrumental measurements have been available since 1933. Plate I maps significant earthquake epicenters from 1900 through 1974. Based on recorded earthquake magnitudes and locations, the subject site has likely experienced normal seismic exposure during historic times.
Local Faulting - As shown on the site Location and Fault Map on Plate II, the designated Alquist-Priolo Special Studies Zone for the Wildomar Fault, a part of the Elsinore Fault system, encroaches onto the southernmost portion of the subject property. The Wildomar-Elsinore Fault is fairly accurately located in the immediate area of the site; crossing Interstate 15 approximately 1000 feet south of the southern property line. As a precautionary measure, we recommend that all proposed structures be setback at least 50 feet from the Alquist-Priolo Zone boundary.
A review of a study conducted by Pioneer Consultants on Lots 4, 5, 6, and 7, south of the subject property indicates that a potentially active fault may exist outside the Alquist-Priolo Zone in close proximity to the proposed site. Trenching conducted as part of their study uncovered a north-south trending fault trace. An extrapolation of this fault trace places it near the eastern boundary of the subject property. It is currently proposed to excavate exploratory trenches near the southern boundary of the property in order to confirm the location of this fault. If the fault trace is located within the subject property, it should be anticipated that a minimum building setback of 50 feet would be required.
Job No. 188-026 - March 14, 1988
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MOORE & TABER GEOTECHNICAL ENGINEERS AND GEOLOGISTS
Advanced Cardiovascular System, Inc. c/o Colborn-Currier-Noll Architecture, Inc. Attention: Mr. Peter Noll
Page 3
Fifty Year Probable Ground Motions - The peak ground motions that might be exceeded once during an average SO-year time period at the site have been estimated and are summarized in Table l. The corresponding probabilities of exceedence are approximately 63 percent during an average so-year period, 39 percent during 25 years, and 22 percent during 12 years.
TABLE 1: ESTIMATED 50-YEAR PROBABLE EARTHQUAKE MOTION PARAMETERS
Minimum 50-Year Horizontal Peak site Probable Peak Bedrock Ground
Fault Distance Magnitude Acceleration Acceleration ----------- --~-~--- -----~--- ---~--~----- ----~-------
(miles) ( g) (g)
Wildomar- <l 6.1 o.so 0.38 Elsinore
San Jacinto 22 6.8 0.13 0.12
San Andreas 37 7.2 0.10 0.10
One-Hundred Year Probable Ground Motions - The peak ground motions that might be exceeded once during an average 100-year time period at the site have been estimated and are summarized in Table 2. The corresponding probabilities of exceedence are approximately 63 percent during an average 100-year period, 29 percent during 50 years, and 22 percent during 25 years.
TABLE 2: ESTIMATED 100-YEAR PROBABLE EARTHQUAKE MOTION PARAMETERS
Fault
WildomarElsinore
San Jacinto
san Andreas
Minimum site
Distance
(miles)
<l
22
37
100-Year Probable Magnitude
6.6
7.3
7.8
Job No. 188-026 - March 14, 1988
Horizontal Peak Bedrock Acceleration
( g)
0.58
0.18
0.14
Peak Ground
Acceleration
(g)
0.43
0.16
0. 13
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MOORE & TABER GEOTECHNICAL ENGINEERS AND GEOLOGISTS
Advanced Cardiovascular System, Inc. c/o Colborn-Currier-Noll Architecture, Inc. Attention: Mr. Peter Noll
seismic Design
Page 4
The above bedrock accelerations are presented in order to evaluate the relative effects of various known faults on the site, and are not intended for use in determining base shear. Use of seismic design criteria normal to the area (e.g. UBC, soil coefficient Sz) would appear appropriate unless the structural engineer requires more specific data (e.g. elastic response spectra, site period).
Liguefaction
Due to the relatively high groundwater table and the presence of granular materials at this site, an evaluation of liquefaction potential was carried out. The method of evaluation utilized the standard penetration blowcounts obtained during the field exploration (see the enclosed Log of Test Borings) and the procedures outlined in the publication by H.B. Seed and I.M. Idriss entitled, "Ground Motions and Soil Liquefaction During Earthquakes", EERI, 1982.
During our analysis, a significant discrepancy was noted between the standard blowcounts obtained in the ten hollow stem auger borings and those obtained in the two rotary borings. The blowcounts taken in the hollow stem auger borings were almost invariably lower than those taken in the rotary borings at similar elevations. It was assumed that the lower blowcounts in the auger borings were a result of a minor amount of soil sloughing into the auger stem before sampling. In order to gather more reliable field data two additional rotary borings were drilled within the property. The standard penetration blowcounts from all four rotary borings were then used in our final analysis.
Liquefaction potential was evaluated with respect to worst case conditions (i.e. fault rupture along the Wildomar-Elsinore Fault in close proximity to the subject site). Based on the analysis it is our opinion that the saturated granular deposits underlying the site have a suitably high relative density to resist liquefaction under seismic shaking of a 50-year probable earthquake (M = 6.1). Under seismic shaking of a 100-year probable earthquake (M = 6.6) or greater the analysis indicates that localized lenses of semicompact sands and sandy silts may have a potential for liquefaction. Based on the exploratory borings the potentially liquefiable soil deposits are highly lenticular and limited in thickness. Consequently, it is felt that the potential for severe distress to the planned structures due to liquefaction during an earthquake is low.
yob No. 188-026 - March 14, 1988
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MOORE & TABER GEOTECHNICAL ENGINEERS ANO GEOLOGISTS
Advanced Cardiovascular System, Inc. c/o Colborn-Currier-Noll Architecture, Inc. Attention: Mr. Peter Noll
Closure
Page 5
This report is based on the project as described and the information obtained from the few exploration borings at locations
~ indicated on the Location of Test Borings Plan. Our findings are based on the results of the field, laboratory, and office studies, combined with an interpolation and extrapolation of soil conditions between and beyond the borings. The results reflect our interpretation of the limited direct evidence obtained. Our firm should be notified of any pertinent change in the project or foundation plans. If foundation conditions are found to differ from those described herein, it may require a revaluation of the recommendations.
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This report has not been prepared for use by parties of projects other than those named or described above. It may not contain sufficient information for other parties or other purposes. It has been prepared in accordance with generally accepted geotechnical practices and makes no other warranties either express or implied, as to the professional advice or data included in it.
< I \ ~ MOORE & TABE~
~o,;:§ Bell · Review a by Gary L. Lass CEG 1093 RCE 40516, Expires 3-31-91
DRB/GLL/ta
Attachments:
Distribution:
Bibliography Test Boring Locations Plan - Page A-1 Test Boring Logs - Pages A-2 - A-22 Earthquake Epicenter and Fault Map - Plate I site Location and Fault Map - Plate II
(12) Addressee Attention: Mr. Peter Noll
~ob No. 188-026 - March 14, 1988
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MOORE & TABER GEOTECHNICAL ENGINEERS AND GEOLOGISTS
BIBLIOGRAPHY
Clark, M.M., K.K. Harms et al., 1984, Preliminary Slip Rate Table and Map of Late Quaternary Faults of California, u.s.G.S. Open File Report 84-106 .
Greensfelder, R.W., 1974, Maximum Credible Rock Acceleration from Earthquakes in California, California Division of Mines and Geology, Map Sheet 23.
Lamar, D.L., P.M. Merifield 1 Technical Report 86-1, Study of Seismic Activity by Trenching Along the Glen Ivy North Fault, Elsinore Fault Zone, southern California, September 1986.
Mualchin, L. and A.L. Jones, (in preparation), Peak Acceleration From Maximum Credible Earthquakes in California, California Division of Mines and Geology, Map Sheet 45.
Pioneer Consultants, Alquist-Priolo Special Studies Zone Investigation and Evaluation of Liquefaction Potential, Tentative Parcel Map No. 19145, Portion of Parcels 4, 5, 6, and 7, June 7, 1983.
Real, C.R., T.R. Toppozada, and Epicenter Map of California, Division of Mines and Geology,
D.L. Parke, 1900 through Map Sheet 39.
1978, 1974,
Earthquake California
Seed, H.B. and I.M. Idriss, 1982, Ground Motions and Soil Liquefaction During Earthquakes, EERI Monograph Series.
Slemmons, D. B., 1982, Determination of Design Earthquake Magnitudes for Microzonation, in Proceedings of the Third International Earthquake Microzonation Conference, Volume I of II, p. 119-130.
Uniform Building Code Standards, 1985, International Conference of Building Officials.
Wallace, R.E. 1970, Earthquake Recurrence Intervals on the San Andreas Fault, California, in Geological Society of America Bulletin, v. 81, p. 2875-2890 .
Job No. 188-026 - March 14, 1988
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APPENDIX
A
UNIFIED SOIL CLASSIFICATION Pt OH CH !MH OL !CL IML SC l SM SP SW GC GM GP GW
Sonds with fi11es Clean sands Gravels with fines Cleon gravels Hi;hly Si Its ond clays Silts and clays >12°/0 fln111 <5°/0 tlne1 >l2.'V0 flne1 <5%flnes organic Liquid llmlt vreoter tl"lan !50 Liquid limit lass than ~O Son cf$~ mllr• than 50o/0 of coarse Gravels- more than 50°/0 ofcoorse •Olis
frar;:tion Is smaller than NQ 4 sieve. fraction h1 lotger than NQ 4 al eve.
Fine gralni!d 1oi l!ll (Moro fhon 50% lo omallor than N9 200 •l•v•l
Coarse orained soils (Moro than 50% lo lar;or than NR 200 siovo)
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"" 7 LABORATORY CLASSIFICATION CRITERIA D (D )2 ,.. - v GW and SN~ C ~ ~ greoter than 4 for G W 8 6 lot SW I Ce~ i\Q between I 6 3. ... " Dio o,0 x Deo
" CH ,
• """ GP and SP· CUtOll 9ravel ar sand not meeting requirements for GW and SW.
~? ~ .j GM and SM-AtterberQ llmits below"A• line or P. L le,:s th~n 4 . t; • " 'j}' GC and SC-AtterberQ limits above "A• line with P. I. ;raoter then 7.
" OH and MH " FlnH (silt or cloy) 1 Fine ( Medium 'coo~4 Fine Coarse Cobbln,Boukter:!i .. 7 ... CL . sand sand 1 saod grovel QrCl'l!!!I ._
IO -~ •,t • .,, Sieve sizes l1 0 .. ~ L:.~ ML&DI.. -: . .. .
0 L Closi;;iflcatlon of earth m(lterlols sl"lown on thi11o sheet is based on field lnsptction Cll"ld 0 IO 20!04!0~60 "' "" "" "" LIQUID t...lMli sl'lould not be constru~d to imply loboratory analysis unle~s $0 !lita.,ed.
MATERIAL SYMBOLS CONSISTENCY CLASSIFICATION
~Grovel FOR SOILS
OOPeotor o rgonie matter
According to the Standard Penetration Test
~ Sand llfill material NV of blows Granular Cohe.sive
rnsilt ~Shale 0-5 Very loose Very soft
~Clay 6-10 Loose Soft
IIlJsandstone ' II -20 semi compact Stiff
~ Sondy cloy or Itfl Limestone 21- 35 Compact clayey sand Very stiff
~Sandy silt or mMetomorphic 36-70 Dense Hard silty sand rock
~Silty clay or I Igneous rock >10 Very dense Very hard
clayey silt
LEGEND OF BORING LEGEND OF PENETRATION TEST
~ 15 L L~
....
~ 24 ....
Bulk -;---. 30 sample L~ l ....
Conformo ble • • 1 -"-n"e 35 G.W.S. ~-- .... ,_
,,~
II Drive,-?-
' 5 .... sample ~ ~proxim~molerial ch~e
27 li ' .... lGWS. ' - 38
~ .... h 48
Casing_ Unconformable material change ~ .. ~to Blolls per fobt m I 4 set .... B.P. F:
10- . Bottom of . borin11 Us ng I• b lb hmhme1 wit 10 ....
Grophic representation of y ' 30'1 drop= 3 0 drivl ng rote. L ....
- ft/ lb bl bwl -
II' 1469 Legend
.,
~ B-7
\
'
---
-$-B-8
~ 8-9
--
BUILDING B
~ 8-10
~ B-12
BUILDING A
-$-B-14
-$-B-2
-$-B-\l
-$-B-4
YNEZ ROAD
\ \
-$-B-3
-----~
8-\
~ B-5
:-.. i\
i
B-6
SCALE
60'
AElVANCED CARDIOVASCULAR SYSTEMS, INC. ;
29531 YNEZ ROAD '
TEMECULA, CALIFORNIA
_TEST BORING LOCATIONS
: MOO RE a TA BER- Engineers-Geologists DRAFT. APPl!DV. DATE JDB N~
LMB :D\<CB 3-14-88 188- 26
A-I
MOORE & TABER CONSULTING ENGINEERS ANO C.EOl...OGISTS
T EST BORI NG I OG TYPE g11 Hollow Sterri ELEVATION 1047 . 0 ' !BORING 1
- 't? .. ' Ar;phul t pa\FlTI~..{
Jug l - ~V-i: SM f irH; mcdj_un1 DrolVH tu ~;IJ.ffl'Y Si\ND ·-·
- ili SC 10 l."1 2 .5 . - .. Rro1m fine CLAYEY SAND
- i\! \ -
•
- fr~J SM - ,;._-;-;,, 13ro1vr1 fint~ to mc~diWTI S l.LTY SANI) 1)1 10.2 3i'i ") r.: 3 lO - - ~~;~-
~. _)
;~~ --f,~ --~
/ Liqht })rUHil tine to coc.:tr~3C
-) l . 4 4 1 :·; • - sr SANT! --[~ SM Gray 1)1.01\111 fine STLT'Y SAND
-:;/;'. SP 99 17 .6 12 ~ ,.
:l 20 ~;.;:- Yl'llo11 brown fine to cor.i.r.·se S.Z\:."JD ' •. J --~1t '\ -- SM Yellow 1.H:-(1';·111 fl.ne STI./rY Sl\NTJ -·::::
20 l."1 6 25 :~;
-1% .• ::-:;-SC Yellow ):) 1·· l)~·rn fine [-,o CLA:.:·1;1
~ COl:ll"SF - SANl1
107 20.9 )2 2.'.) 7 30 ·;:\
-:<;.; .. r.. -:~~j s21· Brown f"i.ne STI,TY Si\ND 'iVi tJ1 ,, nllCU -... -~~~·~
29 J .4 d J'.J - -;:_~ :: -8~~~ .... ~ -..-:;. -i:.::: ML Rrc.nin1 CL.".YEY ~lL'l' -115 l7. 5 GO 2.5 9 40
...
.... ;:;~· .. ~ .. ~ Dro1vn f irH.:~ to rnc~d i t.trn SIT,TY SAND uith
- f:~;* SM mica - •' .. CLAYEY Sll./l' lc~nscs
- ~*:' 47 l .4 10 4.'_i .... ~+~~· -~;.;
~-·· -·.:~::: ;.~· .... ~~.;
t- 1,toro;'-
NSR l7 2.5 11 50 ... ~~~ ... •:;.;. I- ~ . .:_:.:
;_ . I-
.. >-- q~
• : ,
"' ~ r w --' THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME t "' " "' --' 0 ..,E ., "'
0 ;; ;;; "' ~.; w i:i 0 w ~ <(--' AND LOCATION INDICATED. SUBSURFACE CONDITIONS ,. '" "'
,, ~ -o ~
._ -~ "' I- ~ ' "'
I "' >-- "' .. "., ;:; >--" ..._
--' " --' "'"' w" MAY DIFFER AT OTHER LOCATIONS AND TIMES. "' "._ 0 ., ., ~
._ .. ._ r"' w " - .J >-- .. 0 >-- ,. ~" "' .J,. >- "
- :I ._ ~ I WO "' ;::!
" <( - w :i"' "' LOGGED BY WMC DATE 2-l'i-OG "'" 0 .. ., ., " "'
Job No. 188-26 - Murch 14, 1988 A-2
MOORE & TABER CONSULTING E'.:NUINEER5 .A.NO OE.O~Q015TS
TEST BORING LOG TYPE 8" Hollow Stem ELEVATION 1047.0' I BORING l Cont.
47 1 . '1 12 55 - ~_;:;,~ SM Brown ti nc~ STLTY ::5A.'\ll) I Sl\NDY SILT
= t·t IML - :.::~
/S 1.4 lJ 60 :.;-r.: ,.·,-
~%:-: ..... l!T.~ SM Gruy brown finE.~ to rneditun SITirrY SAND ',•';
r \ --
6:i - ..... ..... ,... .... NOTE8: -- - l. Caving belo'VV 40 Iuct. -- 2 . Ground·water .... e11conntered at 75 fed ..
- 3. IIole buckf i 11 ed . -----. ..... ,... ,... ,... ,...
- -,... ... ,... ,... I-
I-
'" ,... -,... ,...
-,... ,...
. --... ..... ,...
. I-
,...
,... ,... I-
• z >- - ~ "' =' THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME .. ~ ~I;: "' 0 " - .. ... 0. ., . "'
- ., "' w 0 "'w :: " ·' "'"' AND LOCATION INDICATED. SUBSURFACE CONDITIONS '!' .. >'" "'a => "- ~ -o - " "' " ~ ~ " '" " "' "' .. l'..I"'
~Q ~" " " .,
~ ... u ... " .. ~::i; "'"' MAY DIFFER AT OTHER LOCATIONS AND TIMES. ....
>- .. 0 .. z .. ~"' -~ _,,.
"' ... " - " ._ "-
" >- ~" I DATE .. 0
" " - .. "' ,..,,
LOGGED BY WCM 2-15"flfl "'" " - z .. " .,
" =>
Jot' No. 1.88-26 A-3
MOORE & TABER CONSULTINQ ENGINEERS AND GEOLOGIST~?
TEST BORING LOG TYPE Bt' Hollow Stein ELEVATION 10 47 . 5 ' I BORING 2
llctq 1 L
~ AsDllaH, l)'1Vi11n
... sr. Bro1m fine tu mr~d i l1rr1 CLAYEY SA.NJ) I-
L
101 13. CJ ) 2. 5 2 5 ...... ... I.:.'.
!··· L
., SM R<xl ht-0\~11 Iir1c SILTY Si\ND .. 1:· L
I~;,:.-~ .•:_;.
L i; . ..:. 7 l.1 3 10 ~··?:
-~·;. ... ~-:-:: ML Bro1v.r1 fine STUl'Y SAND/SA.NDY STT.T with L ~~;t SM micd ... _:.~_,
' -.
lOfl 8.2 10 ") ~· 4 15 J:~ .. ~ . . )
::.-. \ Brown fine CT.l\YEY SAND ... ,:·:·
... ~~·-'.; ~: · . ...
... :: ~-·-121 h .4 5 20 L...
1ft ... t.::;,~ SP Light brown f.l.nG Q: Lo codr,sc Si\ND ... ' . ... l;t_~
rJ.:.i I- . 104 21.J 1 .S 2. 5 G 25 ,,
I- i;._;;' ·;)• ML Brown CLAYEY STT....T wiLh ~AND I- •r;,
fi:"· l.. ~. t;,'.:t:., ... 1i'•
n 1 . !\ 7 30 .... ~~-'::·-:
L 1;-:: ...
... :~t}. SM 8:t."0Yll1 Lo yellow brO\.'/ll fine: SIT.TY SAND/
... SANDY STT..T ·::;
ML ... ,~~;._.
J'.) • I-;.-._ .. ~·:f ~
.,-· ... i:.:~· . .. '; ... ~"-· ... ~·~~ L
l .....
t.: .... • 19 l .1 8 40
:: ·-. >· ... i.:$_:_
... :-;.:. SM Rrown fir1c STT./rY SAND L 1:.~:~
k'~ .. L ~~;~
4~) ' I-i.;I'_'.
:~;i L
~:.,;~ I-
~ff: I-
L N-:-·· 36 l . 4 'l 50 ::: ..
•
I- ~.~; SM Gruy brown fine SlLTY SA.'ID u.nd ~ ~r. .. ML SAJIDY SIJ.T I- ~ L
~~( SW Gray fine Lo coarse SAND
z >- >- w ~ THIS aoRING LOG SUMMARY APPLIES ONLY AT THE TIME WQ ~ t: "' 0 ~ "
~ -' 0 w ; g " 0 ., "' " :: " -' "'.,; AND LOCATION INDICATED. SUBSUll FACE CONDITIONS
"' ... > >- =>
~ ._
I >- -o (:) U) - " •· ' "' "' .. "' ~: "'' -' " -' I w "'"' MAY DIFFER AT OTHER LOCATIONS ANO TIMES. " 0 0"' "' ~
w" t; .. ""
... ,_ w - -' -''" >- .. 0 " 'I .. .._ !;[ >- ~" I DATE
WO " -' " "' - w " "' o- z LOGGED BY WMC ?-15-88 "" .. "'
., " "
,Job. No. 188-26 - Mdrdl 14,1988 1\.- 4
MOORE 1i. TABER CONSUL TING ENG-INE'.E'.~S AND OEOLOGISTS
TEST BORING LOG TYPE 8" Hollow Stem ELEVATION 1047.5' I BORING 2 Cont.
.55 , . .... - .. -....
·; .. .S'V11 Grdy flne loo cour.'3C SAND -:;:: -;r., f,() -
- r -.... - NO'l'E:O'
- -- l - Cuvinq below !JO toc't. -- 2. Groundwcttr.r encountered aL 20 tcot. .... ~ - 3. llule buckfillcxL ....
....
... -....
.... -....
.... ------ .... -------------~ --... -------
• z ~- •· w " THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME
.,'2 ~ t: w 0 ... - ~ ~ 0 w " . ~ 0 - " "' ~ ..... "'.; ANO LOCATION INOICATEO. SUBSURFACE CONOITIONS "'._ " ... "'a => ~ " ... -o
- " ... i w " "' ... ~., qtn
~ - w " " MAY 01 ff ER AT OTHER LOCATIONS TIMES. ..... " " " ~
... " ... I '" ... " .. .. ANO ... 0 .... ._ " ._ ... w -..>
~"' 0 ,_ ~
"" " ... " ~ ... :I! -
~ ._ ~ ;,,,
loATE WO o- " .. - w "' LOGGED BY WMC 2-15--88 ~u .. "' " =>
Job No. 188-26 - March 14, 1988 A-5
MOORE 0. TABER CON.SUL TING C:NOINE'.ERS ANO CH:'.OLOG1STS
TEST BORING LOG TYPE 8" llollow Stem ELEVATION 1048.0 ' !BORING 3
/l.::•1--..h-.1 t ............... ~ ,...,,-, Sdq l -v,_
.... ::;;;. SC Brown rinG to c;onrse CLAYEY SAND
.... ~t-12 1.4 2 s -~~::: SM Red brown fine Lo COClrUC SIT.'T'Y SA.ND
.... ~·,!..j ....
- :·:!·-~
- J~_: 117 10.6 32 2.5 J 10
~::.
;.;.:.: .... ~-:-:
Brown red brown fi.ne
~ to Lo coaru(: - 0M .... SlLTY SllND -)() l . tj 1 15
'.'I-/ SM Grcly brown fine SILTY SllND -,<~
.... :; f'.. ,... ~·~".:
.... -::· SW Yellow 1Jrc.nm rino to coarse SAf.J[)
105 ](!. 3 24 2.5 ~) 20 ·:.,·:
.... ~~ YCllO\J brown fine to mlXlium STL'l'Y SAl\Tf)
.... w SM w-L t11 CLAY
.... ~}·~ ... CT.AYEY SILY lenses - ~ 21 1.4 6 25
, ...
-g SP Ugl1t bro\.1JT1 fine SAND -I;<:'; '' - ,, __
.... .~ SM Yellow br:rn-m rirw to COF.Jrse SILTY 101 21. 3 19 2.s '7 30 SAND with CT,AY
... ~~:· . '·" - :1>:· SM lJrovi'rl fi.ne Lo C0dl:'~.3C STTII'Y SANT) ,;,:, - . :; c~--.... ·i~f n l.4 8 35
- ~~~ .... SM Drown fi.ne SILTY Sl\ND -~?:·-... ~-.:-~~
117 17.6 3G 2.s CJ 10 :.;~: .,y - ;.f"-.
.... ): SM Bro1vr1 fine to coa.rso SIL'T'Y SAND ")._-:: --~ .. ~ - ~;"-:
~,~~ 28 1.4 10 45
,.
... ~?; .. Bro'im f itlt~ SILTY SAND wi tJ1 m1cct .. , "':?.;' SM ... ··,:~ . ~ •.. sn.'T'Y CLAY lens~::; - ,;_.,.. ~"'·· -~
lO'i 23.0 ?4 2,5 11 50 _. .. ~~ t;-.· .... ;~·f i...:· t1T.1 .Brown fine SANDY SILT with CLAY ~:.~
•
.... ··:. .. t:. - -· l:~i1' . ..
., >- - I- '" --' THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME ..,2 " t ... g .. - .. --' 0
"' ~ i:l "' - " z ~ "'--' .,,.; ANO 1-0CATION INDICATED. SUBSURFACE CONDITIONS ~t " "' "' ~ .. "- -o
t'.l"" I- ~ ..._ ... "' '" I-
"'"' 0 ,_ ... ... ,
--' " --' " "' ., .. MAY DIFFER AT OTHER LOCATIONS ANO TIMES. "' 0"' ~ "' :" "' I- .... ._ z ..
I- '" _ __.
" j~ >- .. 0 ~ " - " ._ "- :it; "" I DATE "' --' ,,- " ... - ~- "' ., LOGGED BY "'" .. " Q
" WMC 2-16-88
,Jo\) No. 188-26 - Murch l!l, 19 8 8 A-6
MOORE & TABER CONSULTING E'.NOdNEE:R$ ANO GEOL..OGIST5
TEST RORI NG LOG TYPE 8" llollow SLem ELEVATION l04B.o• BORING J Cont.
H l. 4 12 '."')~) L... ~.;?:-......
SM B.rown fine STI..TY" SAl'ID wiLh micci L.. -.;,-
~~ 71 1 .II 13 60
L_ :~;;: SM Broi;vr1 f ir1c to coarse SAND ... rr· \ ~
~
~ ~
... ~
.... L. NOTES:
. .... .... 1. Hole C'1Vll1g below 25 fl~eL.
....
.... 2. Groundwater encountered 25 feel: .
.... . L.
....
....
.... L-
. .... L-
L-
L-
.... . .... L-.. .... L-
. L-
L-
L-
.... ~
. ~ .... .... L-
.... ' ... ~
L-
L-
b
b
L-
L-
L-
b
• z .. - .. '" .J THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME
.,!! ~ t .. 0 N- .. -' ~.; .. "' . "' 0 - " ,. :: .. .J AND LOCATION INDICATED, SUBSURfACE CONOITIONS " .. z a "' .. " .. -o ~ .. -'-' ;t .... .. " .. .. .. .. (~fill
~ ;; .... .. .... -' " .J " .. .... MAYOIFFER AT OTHER LOCATIONS ANO TIMES. .... ....
~ .. z .. .. ... "'"' - -' .. -':I! .. .. 0 " - ~
.... t· ..
"''"' I DATE "'0 "' -' :I! .. - "' ;: "' z LOGGED BY WMC 2-16·88 "'" " - .. .. .. "'
Job No. 188-26 - March 14,1988 A-7
MOORE l!O TABER CONSULTING E:NGINl!:ERS AND GEOLOGISTS
TEST enRI NG LOr.. TYPE 8" !ISA
NSR 16 ?.5 1
12 l .4 2 fl'<C: :3
5
lOG 7.0 y, 2.5 4 10 -
8 J .4 'i 15 .
114 9. 9 5Z ?. • ~ Ei 20
12 l .4 7 25 .
109 20.'i 28 2.5 8 30 .
116 16.l zc 2.' 10 40
2' l. l l 45 .
2i 2. ,, 12 50
~
...
....
.... ~
.... ~
~
~
....
.... ~
ELEVATION 1049.0' !BORING 4
·_-:-· ;....-:. ::;. ..... :··_. ....... ..... . : .. • ..... ·~~~
~t~· ·"
""" .::---i;x . :;; '-~' :··.·
SM
'IL
Asphalt paving
Yellm1 brrnm fine to medium SILTY SAND
.c.:;ruin ~.:;i:::::;t~ decreauef; SIT ,'T1Y i ncrea:::;c.:.~r3
Yellow brown fi.ne Lo course SAND
Yf3llol< bro1m fine SAl'JDY SIL1'Y
.Lf3Ilf3C of fine SAND ut 30 feel
Crf3('fl brown SANDY SILT
_, g THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME ., -' .,,.; AND LOCATION INDICATED. SUBSUFt~ACE CONDITIONS O:;i: ":: MAY DIFFER AT OTHER LOCATIONS ANO TIMES. ~::l ~...J _______________ .;....:. _______ ....
~~~o l '""' ~ LOGGED BY KGF DATE 2-9·-00
Job No. 188-26 - March 14, 1988 A-8
M 0 0 Re: & TABER CONSUL TINO E:NOINl".E:"S ANO OEOLOGISTS
TEST RORI NG IQG TYPE 8" HSA ELEVATION 1049.0' I BORING 4 ConL.
14 1.1 13 55 !ii',
~ CrmL. Green bro1'IT1 SANlY r ~;TT /T1
~ 1 '- r -
, 60 -
'-~ NOTES:
-- 1. (_-:rou.nd"l.Va Le r encountcrc.:d at Ul reet.
- -- 2. Caving bclO\'I/ 45 ft=:!et ( lmle open to - 4'.l reet) . '-
'- 3. Backfilled 2-9-88. - '-'-
'-L...
L...
. '-
'-... '--. . '-
L...
L...
L...
'-
- '-L...
'-
'-. L...
. L...
'--L...
L...
L...
. L...
'-
'-L...
'--. ....
L...
.... L
L
. L...
L...
L...
L...
L
z .. -b .. =' THIS SORING LOG SUMMARY APPLIES ONLY AT THE TIME
.,2 " t .. " - ~ _, o. "' - .. ,.
"' ~ il 0 ., ... "'
... -' ,,. . ANO LOCATION INDICATED. SUBSURFACE CONDITIONS ~ ._ ~t; " - .. .. "' ... >- -o "., .. ' ~ ~ .... .... MAY DIFFER AT OTHER LOCATIONS AND TIMES. ~" I--"" 0 ., "'
_, u _, "' .. :"' " .... .... ._ "' .. >- ... - _, -'" .... 0 ~ " - ~
.... ;~ "u I DATE "'0 "' -' " ... - ... "' LOGGED BY KGF' 2-9-88 "'" o- .. "' "
,Job No. 188-26 ·March 14, 1988 A-9
TYPE
z "'o;>
' "' ~~ ~ ._ ~c " .. .,._
-' ~ WO
"'"
MOORE'. li'. TABER CONSULTING ENGINEERS ANO OEOLOGtSTS
TEST BORING LOG 8 11 Hollow Stern
112 6.4 15 2.5 1
12 l..4 10 -
115 14.2 21 2.5
-10 l. 4 4 !,() •
1 OCJ 11.7 32 2.5 25
30
42 l '4
40 .
'ib l _I} 7 45 ~
.
,. ~ "' ~ t: "' N- ..
" . "' li' - ., " "' z a " " "' " ... "'' ... ~ ' w .. 0"' "' " -' " -' " "' ._
" .. ... "' ,. .. ;; ~ 2
~ .. ~ "' -' o- z .. "' ., "
ELEVATION 10 50. 5 ' BORING 5
-~SM ~;~
- >.!' ., ,.
.
:·:.·, - ,>, . . ~ .. >- ;.: ~~
- .~\~: SW
= :~i( - I -------
=' -' 0 .. -' ",; -o "., .... ~~
.., .. _.., .. ,. "" " " " "
Brown fine tn cn~rse SILTY SAND wH.h CLi\Y
1-{cd 1Yt'()W11 fine to coa.ruc: Sl\l\TD
Brown. fine Lo coar~3C SIT ,T'f SAND ·1J i th CLAY
Yell ow br01m SIT/PY fine Lo coctr.se Sl\ND with CLAY
Rro1·m to yellow bro1n1 fine SIT ,TY SAf\lU
••• CL!\ YEY SI L'l' l uwoc,,_;
Drown fine SILTY S~~'\lD HitlJ rnicu
Brown f.i.ne Lo course SAJID
NOTES:
1.. Caving h12low 34 feet. 2. Croundwa ter encmmtered at 25 fee L. 3. Hole bacl<fillc.oc.l.
THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME AND LOCATION INDICATED. SUBSURFACE CONDITIONS MAY DIFFl!:F< AT OTHER LOCATIONS AND TIMES.
LOGGED BY WMC I DATE 2-16-88
Job No. 188-26 - Marchl4, 1988 A-10
M 0 0 RE & TABER CONSULTING ENGINEE"S ANO GEOLOGISTS
T EST RORI NG LOG TYPE 511 Hotal:'y Wash ELEVATION 1049 • 5 I I BORING 6
..... ~~i Ac.phull DdV Hiq
113 l l. 6 21 2.5 1 I- ~.r::·
"*• fine to SIT/PY ..... . •::~ Sf'-1 JJro\•.rn coctrsc STIND I- 10:.~ •
)'.) 1.4 2 '.) . • 'I,'.'
~ff?
~ ~l!: t1P Dark bro"1.n1 fine to coarse .SAND 118 13.1 ?4 2.5 3 L_ 2l·
- ;;;. 114 H.O 22 2.5 4 10 ,•l· t·M
Bro1vn fine Lo n1i:.::~di um SIT .rrY .SAND '"-- ~:f·: ~ wiLh CLAY I- '~f.::
· .... ~ ::;·.~
'- ;:·:-~ s·M Rrcnm slightly SIT,'!'\" fine to coar::::;e
)7 1.4 5 l .L) SAND
..... ~.~: I'._
..... r;..~: ~ ;:'~·:~ SM Bro1m to qray t)rO\ffi fine to medium .. ,.
tilLTY SAND ..... 1i·(.: 115 12.1 /l 2.5 G 20 •' -.~
~ :;~;:,
Light brown .f i lle : :·~ ; . lo co~-:i.x·~_;c~ SAI\~D - .... ~·:·:· - ._. .. SP ... :
I- ....
r;,;; 17 1.4 I 25 . - .•. brown CLAYEY SIL'!' lP.n.:=:es , - I::;'· '- :··: '-
.1·· .•• cobb.le )~ ~ ..
92 34.6 4h 2.5 8 JO ::.-i ~ '1 ~ .r;o. Liqht broi.m finco STLTY SA.t"\.Jl) 1-ri. tl1 ml Cd
- ;~)~ '- 'iJ): SP Light brown rinc SAND '-
., .. , .. , .. 27 J.4 9 35 -l::·~'.·
L
[;;?. '- -~:
~:· ..... ~~· .
.... .,. ML Gray SANDY STLrr with CLAY NSR 27 2.5 JO !\O • ..... - ......
~~'. ~ ti~·~
'- w. 61 1.4 l l '15 I·~·:,,.,;
'-:-:~~-~:1_:.
~ .:~'{. SM Bro\VIl to light bt.'CfWll fine to mP-d i urn L ·::::~ SIL'l'i SAND '.·::,:, ~ b.1\
122 11. 6 96 2.5 ['I 'i(J · .. ·:;, <.· :;;;-· _., -,
~ Light brom fir1e tJ c:or.irse SA".JTJ ....
L
... NO'T'FS: ( 1. Hole buckfiJ.lerJ.
"' >- - ... .. _, THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME
.,2 to t .. g N- " _, i5 .. ~a .. ;;; ::i "' "'
.. _, "',; ANO LOCATION INOICATED. SUBSURFACE CONDITIONS " ._ ~ t; " .. -o ... ~ ' '" " "' ... .... L~~ ~ - ... .. "'' _, <> " .. '"" MAY DIFFER AT OTHER LOCATIONS AND TIMES.
0 " " ~ _, .. "' I;;"'· .. ._ .. 0 ._ " ._ ..... >· ,. - _,
_,:I! ,. :I! -
~ ._ .. "<> I DATE
.. ., .. _, :I! .. - .. ;.,,
" LOGGED BY WMC 2-10-88 «u " - .. a "
,Job No. 188 .. 26 - Murch 14, 1988 A-11
MOORE & TABER CONSULTING l::NGINE:E;:R.5 AND GEQLQG1$TS
TEST BORING LOG TYPE 8" llollow SLrn1 ELEVATION 1-041,n• !BORING 7
.. ~ ~
~Q
112
I
z ~-0 to t
"' - :;; ii >'"' - " .. , ..... .. ~ 0"' ~:I! >- .. '"o ~ -' ~" <> -
Baq 1
8.0 13 2.5 2
:1 1 -~ 3 10 -
NSR 12 2.5 15 -
6 1.4 s
NSR 6 25 .
15 1.4 7
NSH :JJ l. ')
13 1.4 C) 40 .
25 l. 4 10 4;5 l~.:~.1
~ Jf f L_ ~-i~· SM L.... :~·.
f)~;pl1a1 t paving %. 1. 5 11 thiclt
Browr1 f inc to coa r~;e Sl\'f'.m
Dark brown CLAYEY SIT;l' wi. r.!1 SAND
Dark txrnm fine to coctnY' SH.l'Y SAND with f inc GRiWEL cind CLAY
Dar}:· )ormm CLAYEY SJT.T
Blue gray fi.ne SILTY SAND
Yello1v br-o·;,.;ri fi11e SlLTY Sl\NT> 1·1i t.11 micd
:.~~. 16 1. <1 11 50 .Jll-1!~1-4----------------------1 .;-:-_;
,._ .. .. 0 ,,,_ •.
~ 0 - " z
" "- " "' ,._ l ' "' "' "' -' " -' "' "' ~ 2 ~ 0 ~ "' - :I :I! .. -.. "
.,
~ >· "' ..
~"' ~~
"' 0
Yellow brown fine SANDY SlLT wit.Ii CLAY I l-lli'i;;I' · ML re;- ... --... : .. , .. , ·'~'i-----------------------1 I> ••• L_ !iX . ..._ i:;.·. SW
;-.'."!-Ye 1 1 ow br01;n f i. ne to cocirse SAND
_. ;j, THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME "'-' ""' AND LOCATION INDICATED. SUBSURFACE CONDITIONS ,;:g ('.)~ "'" "'"' MAY DIFFER AT OTHER LOCATIONS AND TIMES . ·-~ ~~ .... ~~~~~~~~--'~--.~~~~--'_:__;;__~~.::...~~-i ;" ~ LOGGED BY WMC I DATE 2· 12-81.l
,Job No. 188·-26 - Marclo 14, 19 88 A-12
MOORE & TABER CONSULTING ENGINEERS ANO Ge'.OLOG\STS
TEST BORING LOG TYPE 8" !Jollow Ston1 ELEVATION 1041.4 I BORING / Cont.
2J 1. '1 12 ~\ -~~-=: .... M ML Brown CLAYEY SIJ_.rr wiU1 tnir.a dnd f:i.ne ..... l'~-· SAND .... I?:'
)4 l .4 LJ GO ..... ~· ,__ ~~~ .... R SM Drown ti no o; IL'i'Y :SAND wilh CLAYEY
lr·~· Sllll' .1UrH3es .... g 49 1.'1 14 6~.) • .... -~~:
'--~-?..•--.···-,_ : : .. ···' .... -··· ·~ .; SW h'llow brown fi11e Lo SAND ; •n• co().rse ,_ .... .....
50, J.4 15 70 - ,_ ;;l:i 4" ,_ l I ,_
' r r --r
,_ NO'l'EC:;: ,_ ,_ l. Watei:- ll'Vl'l a.t 10.5 ff3Ut ~ -..... 2. Hole closed below 2 /. . :) feeL. -- 3. Hole lx1c!<fil l.ed. .... ....
- >--->----.... -.... .... -.... --r -,__ ,_ .... ... ,_ ... ... ,_
z >- - >- "' " THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME .,Q
I= I;: "' 0
,.. _ ., " 0
"' ~a ~ 0
- ., z
"' .. " ., .; ANO LOCATION INDICATED. SUBSURFACE CONOITIONS ,,, "' ~ ._ ~ >- " ~
" >- -o t::i~ -" .. ~ " "' "' ~.,
TIMES-.... ........ " " >:"' .... t,IAY DIFFER AT OTHER LOCATIONS ANO ~ - " "
,,, ., " "':. \;;a .. ._ ._ z ._ >- "' -" >- ..
~ >- ~t.J ;j il 0 ~ - :I
._ ~ ..,.. loATE
~ " " .. - "' "' ., LOGGED BY WMC 2-12-88 ,, - "' ""-' .. ., ., a "
Job No. 188-26 - March i4, 19 88 /\-13
MOORE & TABER CONSULTING E'.NGINE:ERS ANO GE:01..0G1STS
TEST BORING LOG TYPE 8" llollow SLern ELEVATION 10.45 .. 0' I BORING R
Dctq l l1h r--... A>_;plkil t pilving -.. I- ~·!: .... v. SM FILL:
·:.~~
fine 11ith >- I?:~ Drowr1 Lo coarf;c SlLTY SAND 12 l.'1 2 , . r~T 7\V
. ) ~:?.!: NATURAL GROUND: ~ ~:':: .::?--~ SM Brolm Iine STLTY SJ\Nf) : J.·;~
l Ll JO.J 2. 5 ~ ~~~~
19 3 10 - ~ ... '.'!' - ·~:::~ I- ~-~·· :::! .... ""·· ~ J~~ I- ~I~~
G 1.1 1 1 '.) •"1•.
I-~· t;;~":
...... ::: .. tr G7 :Ji.[) 7 2 .5 5 20 .
--k IML 1;ith f i11e ~ ~;.~ Brown CLl\YEY SILT SA.ND
··'!" - [.::;<':
\. ~ . .... i;.::.:
-tS - [.!~··
25 . [;;.\' - ·:\.:~
-k· ~ i~.)
-~· . , - ;·~.( 13 l .4 6 JO :·-·
_/ _ _ ,
-v - !-" .....
JS . -V: -r;, - .- CL SlLTY CLAY - :;:, Dar!< qray - ......... -/
58 1.4 7 40 . - ......... -/, - ~ ...
·,.,.; - ..... ·-···i - .::··
45 . .: :; f inc: - ··· .. SP Blur: qtcly SAND :: : . - . ..
.;. :~ ... :
- : .... ~::
'1 ~:.:: Bro1m fine SILTY SAND witl1 rnicu. -
' ' 41 1.4 8 50 .·;.::.
~ V" ' I =
NOTES: 1. Groundwclt"r encountered clt 25 fiCr't.
- 2. C;::rving bcloH 25 feel,.
- 3. llolc backfilled.
z ~ ~ w = THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME
.. 2 " I;: "' 0 " - ~ _. 0
"' "' . "' 0 - "' " "' .. _. "'.; ANO LOCATION INDICATED. SUBSURFACE CONDITIONS >~ "a => .. "'w "E ..
~ ~ ~ -o
<:~ llJo - " ~ w w "''" "' 0 ~ .. "'' ,, ' _. " _.
"' "' w" MAY DIFFER AT OTHER LOCATIONS ANO Tl!olfS. " "' ., "' " ~ ....
"' ~ .. 2 .. ~ "' I- >- - _.
"' _." ~ 0 " - " ..... ~" !DATE "'
_. ;: "' "'" o- " .. - :! "' " LOGGEO BY KGF 2-10-88 "'" "' "' 0 =>
,Tob No. Ulfl-26 March l.4, 19 88 A-14
MOORE. 0. TABER CQNSULllNG 1!.NQ1NEERS AND GEOLOGISTS
TEST BORING LOG TYPE 511 Rotu.rv wash ELEVATION 1049 . 0 ' !BORING 9
-~ ......._ Aspl1a 1 :., pa.v.inq it' l" thiclc ~.-:-· ..... - ~xi· SM nu,:
15 1.4 1 - Rer)wfl f ·i nc ..... ~ ~·~-..:i-; , .. ~, QTT 'TTV ...... .,.. ..... m
- :t:; i'ILL'""'' 5 - ~M Drow11 ti11e Lo medium SU/PY SAND wi. t11 116 7.8 37 2.':i :! ~- CLAY
- ~t;'; ~-..-;,,\ ,_ ::;.~· ,~A'l"URAL GROUND: ,·,··
3M - .... Dr Olm fine Lo rnedi .. 1.lJn SILTY SAND .) ..... 14 l .4 :-; 10. - :.~=:~ - .:.~~~
~ '·.';'i_. r j,9, . co1.'.)blc~ ,_ .. I.) ~
NS!! 17 2+5 4 15 - .... ... :-:; ~ . ..:::; ,_. ~·;; ~
>- llf~: ,_
.... ~~~~:: 41 l . 4 '.) 20 ' ,_ ::·;: SP Liq ht brOl;i/11 fine Lo coarse SAND ,_ .:..:
I:: e" I ...... s, >- ,,
\ ,_ [.....-' T.1iql1t broim fi11e SILTY Sl\ND NSR :!l :! . 0 6 25 .... ( .... ,,
>- v ML Gruy CLAYEY SlL'l' ,_ ---.... 38 1.4 7 ::io ~
t~ - w SM Brown f.inc SANDY SILT "_l th m:i.ca
- ~~~·~: '\ ,_ ::,:=: ,_ :• .. ... ; .. NSk 20 2.5 8 35 . ~ ·::~~ ...
~ :.: ·'. ·-· ~.
~ :; .. : :-·.· .... ,•·· SP Brovn1 ri11e to SAND , ..... coarse ,_ : ~ .. -
q1 J .4 g '10 - ,_ :.~:/. ..... f- ~~~~~: ,_
:·~:;" . ,_ ..... .. -
::·: + ,_ ~:i~; NSE rn ?. • :·) J I) ~s , ...
,.... -:::;:: I-
,_ ... -:;~~ .. -:::.:.· -,, . :~;.~.-~
35 1.4 11 so ;;,..;.--~·~'.;: Brolr.n fine Sllll'Y SA.t'\JD with CALCIC ? ... .:.~ SM nodg-1es ... ~{!- • Si\NI)Y SILT .lenses .. ... p.r'•" ..
z >-t ... "'
_, THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME "' "' N .. _, 0 ..,Q "' ~
0 ;;; ;;; "' "' @. 0
"' "' .. _, .,,.; ANO LOCATION INOICA.TEO. SUBSURFACE CONDITIONS
~ ._ >'" z => ~ I ... -o ,~~ - " "" ... l ' "' "' ~"' LOCATIONS ~ ;; .....
" " "' ~ _,
" _, I "' ~~
.... MAY DIFFER AT OTHER ANO TIMES. ... .. ._ .. - .. .. .. •· "' _ _,
"' _,"' >- 0 " - :I
._ ~ .. >- "'" I DATE ~
_, - " "' WO " .. ... " LOGGED BY KGF 2.-11-88 '"'
0 ~ .. ., ., 0
" Job No. 18fJ-?6 - March lA, 1988 A-15
MOORE i5 TABER CONSlll.TING ENGINEE:A'S AND OE0LOG!ST$
TEST BORING LOG TYPE f-jlt Rotary Wcish ELEVATION 1049.0' BORING 9 cor1t.
y l. '1 12 L._ ~~:~ _)
~ ~v.~ :" ~.:~
.__ i..=;:i SM Rr.·oi;,vn fine Sl T/l."f SAND ;.,-\ I- I).'_"'.'·;
.~.·:·~
71 1.4 13 60 . ~ .~ ... /.:.:: t... i;:·..:~
~ '.·~;· ~ ~,~-..:-
I- dr-'~ ; . . '. ~-'- -~~t-
65 1.4 H 65 L ~f;;:
'- r'r SM Light hro1m fine to L:onrse STLTY SAl\TI)
'- \ '-. '-
'-'-'-'-. L NOTRS: '-'- 1. Holo backfillrecl. '-L
L
L
L
L
'-. '-
L
L
'-L
L
L
L
'-L
' L
.... I-
L
L
L.
L
L
L.
.... L
L.
L
L.
...
" >- - >- "' --' THIS BORING LOG SU .. MARY APPLIES ONLY AT THE TIME to t: "' ... - ~ --' 0
"' ..,2
~a « g - ., z
"' " --' ., .; ANO LOCATION INDICATED. SUBSURFACE CONDITIONS ., "' ,,; .. > >- =>
~ "-
"' " "' >-- -o "., -" "' .... >-- .... « " MAY 01 FFE R AT OTHER LOCATIONS ANO TIMES-~ Q >--< " ., " ~ -' " -' z .. ~;:i;
..... .... .. z .. >- "' - --'
" --'~ >- " 0 " - :I! .. "- "'>- !'o" jDATE "'" "'--' " .. - ~ .. " " z LOGGED BY 2-11 88 «" " - "
., " " KGF
Job No. 188-26 - Mcirch 14, 19 8 8 A-16
MOORE & TABER CONSULTING ENGINE:E.RS ANO GEOLOG1ST5
TEST BORING LOG TYPE 8" HSA ELEVATION 1044 .O ' I BORING 10
~ 1\StJba.l L oavi na - ~·~_. SM FILL: Rt:'Ol·jn fine loo nll~d.i.um sn:rY SAND 13 l.!J 1 ;:(-· ~
2 - ...... ~
!Jag - .. .-.. NATTJAAL GEOUND; LighL txown fino to 110 7.S :1:') ?.5 3 5 - - ~t:· SM inediurn STLTY SAND changc.<J to light .:-:-- .,, }Jl:'01·1n .. •
- :::, ;:·~: SK Yollo·w broi;vn f .inr:i to rnedi urn S/\ND
- ··:
3 l. !J . ; ;:
4 10 ... ·"'...'!
- -·· ··'·> .... ~~.: L_ ~:':":~· ML Gray gruc)n SANDY STT ,rr L... ~.~ ...
N:3R 27 2.5 r, l '.i ~ ~.;:
~ -·· . .-;.. 1....... [;:-·: .,. ~ ~·'.~·!
1:~~ i..... t •• ·.-. finP .._ :.:~-~ Dr mm S/\NTlY CLAY . ,
10 l.!J 6 20 . ~ i..,;~i. ·;.~.
~~:- Grr.iy fi_n(:~ SILTY SAND with CT.i\Y i;.:ii. - jt: SM ~ ·::·;
N"SR 10 '.? •. ~) 7 2.5. _;.~ ..
- Ji ~ j\~:1 - j/.
Gray fine to rnedi.11nt SANDY CLAY :;;:.: CJT_'P.l~!l 111 20 17 2.5 11 .... . [:).' .
)] 1.4 9 30. .... "'" ;; ~·-:: .... SC .... tii-:'· I.. r::;· b I.. ki 20 109 21 2.5 10 35 . l.. ra-... I~ .... !fl
l.. c;; ' .,-;~·
37 1.4 11 '10 ' '.:'::
L... Pt J J . . .
.... I ' ,
- NO'l'ES: ' ....
L... 1. Ground1vatc.r Cr1(~ou11tered at 18 fc:,ct ....
urter L
auge1 renlovcd.
L
. ... 2. Hole open to :JO feet. L
L 3. Cavinq below 30 feet. .... L... '1 . Bacl<filled 2-9-88.
z >- - r w _, THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME "'t w N-
., _, ii .,2 0 - "' z
"' "' . "' 0 .., "' "' .. _, .,.; AND LOCATION INDICATED. SUBSURFACE CONDITIONS !: .. :'.'.: t; z il "' ~
.. "'
I
"' ,_ -o
~:~"' "'0 >· .. "''-.
,_ '-. _, " -' I._, "' ., ., .. MAY DIFFER AT OTHER LOCATIONS ANO TIMES. .... " "'
.., ~
.. z .. ,_ "' .., " - _, t; _, ~ >- .. ;; " - " .... ,_ >-'::"
loATE WO "'
_, .. ,.. .. "' :i "' KGP 2-9-88 "'"
o- " .. "' " " " LOGGED BY "'
,Tob No. 188-26 - Marct1 14, 1988 A-)7
•
MOORE&. TABER CON$LJt.,.TING ENGINEERS ANO 05:0~.C)GISTS
TEST BORING LOG TYPE 8" llullow ,5lem ELEVATION 10 4 7. 0' !BORING ll
"' ~ .. "' -I;; 0
3dg
10 L .4
1 1 5 12.6 l/ f!.)
9 I. .4
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Bt'Ulm Lo darlc brown fine to mc,di wn STT/J'Y SAJW
Mottled gray to yel .low tine V> cuarsc3 CLAYEY Si\ND
Rrown Lo gnx,nish lK01m fine STI ,1'Y SAND
Yollow l)rown r ine STLTY SAND wi. th CLAY
Brown fine CLiWEY SAND
BrO\m fine SILTY 8.1\ND
_. g . THIS BORING LOG SUMMARY APPLIES ONLY AT THE Tl!',IE ., -' ""' AND LOCATION INDICATED. SUBSURFACE CONDITIONS
~ ~ ~ ~' i-;"";;A;,.:..;_Y_D:.l;;F;;F_E~R~A:.T_O.;.T_H.:;E_R_:L~O..:C:.A:.T_1_o_N_S_A_N.:.D_T_1 _,,,._E_s_._---l
;~ ~" LOGGED BY WMC I DATE 2-12-88
Jol' No. 188-26 - March 14, 1988 A-18
MOORE 0:. TABER CONSULTING E:NGIN~C:.~5 .A.ND GEOLOGISTS
TEST BORING LOG TYPE g11 Hollow i:3tem ELEVATION 1047.0' I BORING 11 CunL.
. _/ . .) .. ;... . /4 1.4 12 r- -:~:·" f,f.i. f\ Dro1;J1l f ·\ r1c~ SILTY SAfID
r- ·.··:· r- :.·:· ••• :
·..:·; .... -···· •" .. 10 J, .4 13 GO • - :;":'- SW Drown fine tc) courRe SAND ·-·.'.
- ::: : " .
501 1.4 14 ... .... l:~t:.~ 611
- r ~ J l b~ ~ - { I -
....
....
.... NOTES: - ....
.... 1. Cuving below 38 fecot. ,_
.... 2. Grour1c.hva ter encountered u.l Jll feet. .... . - 3. Hole ha(:]{f ill Gd. --
.... ------- -----
- -----. ----------
. -----
"' >- - ... "" -' THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME
.,2 " t: "" 8 ... - ~ -' 5 "' "' . "' - "' "' " ., -' .,.; AND LOCATION INDICATED. SUBSURFACE CONDITIONS ~ .. ~ ... z !l " ~ "' "' -o _u ... ~ ' "' "' "" ...
"'"' c'.lili
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; .. z LOGGED BY 2-12-88 "'" o- .. "' "' " WMC "
Job Nu. 188-26 - Murdo '14, 19 8 8 A-19
MOORE 0. TABER CONSULTJNCi E'.NGINE;:EtRS AND CEOLOGISTS
TEST BORING LOG TYPE 8" 0 HSA ELEVATION 10.46 .o' I BORING 12
110 5.3 G ·:. 5 1 l.. ~:f;· llf.\phalt pdving '--- ~~~ Brown f ir1u l:o course SILTY S!\ND l..
~~.l '--- S~1 '.) . L
1 h .4 2 li.:~.' ... color l i~]11 [~,t~l"U3 Lo yul l.D11l brmm at l..
'--- ::;;~ 6 feot·, .,, .
•
Jug J L '".'; ~:.;..
L .:·,:;; ..• col.nr durl(f~nr3 at 9 fe:ot
117 15.1 0 -~ .. s ~ 10 -~~~
nioisturc~ i11c:redse:.=; I- ·:.::.e ~~ .
I- ~:;~t '---
, ..... .... I- r:!'!'.I -~;.:·. L ~·~;~. 9 L. 4 5 1 ::l L
~-;: i.~ .. -
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.;-c: 122 1? .1 G - . 5 G ?O .
i;.: ... -L ~1-.i:· L J~.~ L
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~~~ L ii;,<
6 JI 7 2'.) h k.• ... ~~~~
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L 1>~-l lfl 15.ll 5 • :> 8 30
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1,.:;.i:.· .~'. ·-
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106 20.G 2.1 ~t;:
2.5 10 40 '-1~; J l . ' I · r I L
L
L NOT!fi: 45 L
L l. Wuter at H f(~Ct 41:J 11our:=; after I- drilling. I-
I- 2. Caving ~)el ow 20 fc~et. ' I-
I- 3. Hole buckfilled. '--I-
I-
" >- - b .. --' THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME ., ,, I= t: .. >; ;;; ~ --' 5 .. ;a ~ 0 " " "'
.. --' ".; AND LOCATION INDICATED. SUBSURFACE CONDITIONS ~ >'" " ... "' -o "- _u •· ~ .... .. " '" .. ~ .. "" .. :_ "' .... --' u --' z '" .... MAY DIFFER AT OTHER LOCATIONS ANO TIMES . ~ - " "
., ~
.. '" I;; 0 :h m 0 "- " "- .. "' ·- >-
_ __,
>- " - ~ "- ... !OU I DATE
~ --' ;: " ;>-9-(ll:J '"" " - :I! .. - .. z LOGGED BY l\GF ~u .. ., " " " Job No. 188-26 - March 14, 19 88 A-20
•
·•
'
MOORE'. & TABER CONSULTtNO ENGINEERS AND OE:Oi....0GIST$
TEST BORING LOG TYPE 5" Hotary wa.sh ELEVATION 10 4 5. 5' I BORING
w " ._ " -t; 0
.
.. ,. 0 " t w
~ w- ~ ;j ~I- " - " .. * ... ~ w, 0 ., "' -:'h ,. " 0
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Rrov.rn fine l:n coa:r~_;c CLAYEY SAND
Brown fine t-,o coar.','3C: SIT...1TY SAND
• chunqc.s Lo light browr1
Brown finr, SlLTY SMlJ
Brown fi.nc CLl\YEY Sil.ND
Rro1;n fi.nc to modi um SILTY SAND
Bro1vn r inc to coarse SAND
Rlue gray CLAYEY SILT Iii U1 fine Si\N1J
Blue c.irciy Sl\NDY SIL'l' wi ttt CLAY
B.t"mm CT,AYEY SILT with fi nc SAND
Bl 1w gray fine to COO! r.se Si\ND
40 '
MOORE. & TABER CONSULTING ENGINEERS AND OC:0L0G15TS
TEST BORING LOG TYPE ~" Rotarv War;h ELEVATION 1045.5' !BORING 14
I ...... Asphctlt pavemont (4" over 4" ba~3eroc'k. -- Brown fine to SIT.TY SAND SM coa. :r ~.:H) - ... chctnges to light brown -
1 f, l .4 1 ~ -·-:.
"':I'-.--;;:; Brcn~n fine to mediurn SlLTY S/\ND 1.ofi t11 - :.~E SM CLAY ~; .. -~;; ·.
•
·-;.;: Brnwn fine to coarse SlLTY Sl\NI) n l.4 2 10 - -k
~ ,t_::r-J with CLAY ,_
,... ~ ;.(-. : -~
•
41 1.4 3 1 ::-) . ;.;'< SC Ligl1t brown fi.nr: to coatf38 CL.Z\YPY ::;AND - ii - ....:..::.: .... ;;._._ . '-. ·.· ,... ~-~ Light lxown fine to course S.Z\,~D .... ~-
41 1.4 4 20 ;: .. ,_, ' Light l)t'O\·ffi fine to coc.tr~;i:: ~:!AND \ii. t)"l -iii\
OEAVEL, .... .... ~-r~ Liqht brown fine loo coarse SAND
\ ,.,, •.. brcnvu tine to course SlLTY ,~-}i\Nn lcnc n 1.4 c 25 -,._;, ~=M _)
::-::: \ -d'. Yellow 1Jro1n1 fi.ne to meci i. ur1 !:31J.../l1Y SMm ~ ~ . ~ ~SC flnc:: .... Yellow brown to coar::..:;c CLAYEY
36 1.4 fl :10 C:ANTl
-;-~~~. ... ~;~ SM Brown fine 1-.0 mcdiunl SILTY SMID ... i2 -··
88 1.4 7 35 -~~~ SM Gray fine SIL1'Y Sl\Nf) 11ith mi.ca -·t~ ,:.· . . ··: -~ ... MJ, Bro·w·n SANDY Sllll' with CLAY and ~ j,~f
ffilCd
31 1.4 fl 40 --~;.\! Drown f·i.no. to mecl:i um SILTY SAND .::.• .... ~.>)~ -~?.:i SM .•. brown f ir1e SANDY Slrn' len~JC'!.'3
h '.'·'.i ()fj 1.4 g 45 ~~·1
~ ·p;_, : <;-.
- ~~~. .:;.·· -1£· SM G1:-ay fine to modiun1 STT.TY ,SAND 'ili. t,]'). h ~~: mica
80, l .4 10 50 ... ,
511 :-~· SM Gray brmm fin" to medi.11m Sllll'Y Si\.l'ID -rr K: with CLAY j • - NO'l'ES: r ' >- 1. Ilolc:o backfi llod.
') ·--I ,-,'f--,,::.r'i •· -! I· "h i".I 0 .. ; ~ z ,_ - .. .. --' THIS BORING LOG SUMMARY APPLIES ONLY AT THE TIME
.,2 '= t: "' 8 N- •. --' 0 w ;:; a "' - "' z ': .. --' .,.; AND LOCATION INDICATED. SUBSURFACE CONDITIONS :-; .. >'" " "- "'w -o - " .. .... , .
~ .... .. "' .. .. "' '" "., ~Q >· .. " "' "' ., --' u --' "'"' ~:J;
.... MAY DIFFER AT OTHER LOCATIONS AND TIMES . .... ,_ .. 0 ~ .. ~ .. >- ., - --' ., ... ~ "' - 'I .. "- "',_ ~" I DATE
WO "' --' "' .. - .. ,. "' z LOGGED BY "'" " ~ .. ., "' "' " WMC :i-G-Sfl
Job No. 188-26 - March 14,1988 A-22
• PLATES
'·
•
•
•
·1 i
I
!
i
I ; .......
,-,~
DRAFTED
~-E'°1$EC•
- ;::
' ;
I
190G c ~ -----------.. ~ .... ? ..
---0
Potentially Active Faults
Faults consider2c to have been active dun ng Quaternary t•me; solid line w h 8 re accurately located Ion g dash where approximate I y Io c ated, short dash whe;e inferred, do:;ed where concealed; query (? J ind·cates add 1t10nal uncerta'.nty Evidef1ce of h 1s10r1 c o;fset 1nd1cated by year of earthquakeassoc1ated event or C for d1spiacement caused by creep or poss1b le creep
Aerial photo I :neaments (not f1el-d checked); based on youthlu I ge.omo rphic and other ie atu res be i 1 eved to be the resu Its of Quaternary tau 111 n g.
Special S tvd 1es Zone Boundaries
These are delineated as stra1ght-l1 ne segments that connect encircled turning po 1ms so as to def1 ne special studies zone segments
Seaward pro 1ec1ion of zone boundary.
1·:x:i-::i o . ___ J:.:_
CO ~~TC U.~ INTERVAL LO FE.-~T DAS'"l ED LIN ES REPRES:'.:NT HA~f 1 ·~TERV.!.L CONTOliR:S
NAT;ONAL GECDET:c VE.RTIC.ol.L o;..,-uM 0"" 1929
STATE OF CALIFORNIA SPECIAL STUDIES ZONES
Delineated in compliance with Chapter 7 .5, Division 2 ol the California Public Resources Code
MURRIETA QUADRANGLE
FAi..i...SROCK 14 Ml.
REFERENCES USED TC COMPILE FAULT DATA
Kenr.edy, :-i.P., t'.377, HeceriC"f and Rtversr-de County, C.al 1forr1 i~ 12 p., p'!ate ~-
t-1.urriet~ Q.-Ja-drang ;e I
I
character of f;a~·lting along t-'ie C.1sincre: f.al.:'!t zor,e fn souther,1 Cali forni.::i •'.li\•:sion of Hines -a.n-d Geology Special Report. 13!,
Sau 1, R.B., l '.378, Fault Evaluacior1 Re!Jort FEFl.-75 {Els tnore fault zone, south Rivers i c!e County·, Cali forr.ic): 1jnpublished rep::irt, Cali forni::. Division of Hines and Geology, 1-4 ;J-. wfth s. u-::.o l e.rer.t s.
ADVANCE CARDIOVASCULAR SYSTEMS 26531 YNEZ ROAD
RANCHO CALIFORNIA, CA.
SITE LOCATION AND FAULT MAP MOORE & TABER - Consulting Engineers & Geologists
FIELD STAF
APPROVED DA TE JOB No.
Ro 3-14--88 188-026
PLATE H
STATE OF CALIFORNIA-THE RESOURCES AGENCY
DEPARTMENT Of CONSERVATION
DIVISION OF MINES AND GEOLOGY RAY AREA REGIONAL OFFICE 380 CIVIC DRIVE, SUITE 100 PlEASANT Hill, CA 94!523-1997 PHONE, (415) 646-5920
ATSS 599-5920
Mr, Steven A. Kupferman Engineering Geologist Riverside County Planning Department 4080 Lemon Street, 9th Floor Riverside, California 92501
Dear Steve:
•
nay 27, 1988
we are placing on open file the following report, reviewed and approved by the county Of Riverside in compliance with the Alquist-Priolo Special Studies zones Act:
Seismic study, proposed Building E and future parking structure, 26531 Ynez Road, Temecula, CA1 by Moore & Taber1 3/14/88; with supplement of 5/11/88.
EWH:rfq
cc: A-P file
Sincerely yours,
Earl w. Hart, CEG 935 senior Geologist & Program Manager
=tiVc=t)ii>c count':' .,.--------~i»LAnninG i>ci»A=ttrncnt
Moore & Taber 4530 East LaPalma Avenue Anaheim, California 92807
Attention: Mr. Douglas R. Bell Mr. Gary L. Lass Mr. Donald W. Clark
May 20, 1988
SUBJECT: Alquist-Priolo Special Studies Zone/
Gentlemen:
Liquefaction Hazard Job No. 188-D26 Plot Pl an 10242 County Geologic Report No. 497 Rancho California Area
We have reviewed your report entitled "Seismic Study, Proposed Building E and Future Parking Structure, 26531 Ynez Road, Temecula, CA," dated March 14, 1988, and your response to County review, dated May 11, 1988.
Your report determined that:
1. The Alquist-Priolo Special Studies Zone encroaches onto the southernmost portion of the subject property. This area is presently occupied by a primary storm drain channel; therefore, no trenching was performed in this area. The location of the Wildomar fault is well-documented to the west and south of this project, as shown on Plate 1 of your response letter.
2. The northerly projection of a fault reported by Pioneer Consultants (County Geologic Report No. 278) on property immediately south of this project, indicates it passes easterly of the subject property if it persists to the north,
3, Earthquake design data most relevant to the site is as follows:
a. Estimated SO-year Probable Earthquake
Wildomar-Elsinore:
4080 LEMON STREET, 9r" FLOOR RIVERSIDE, CALIFORNIA 92501 (714) 787·6181
< 1 Mile to the Site 6.1 Probable Richter Magnitude 0.38 Peak Ground Acceleration
46-209 OASIS STREET, ROOM 304 INDIO, CALIFORNIA 92201
(619) 342-8277
Moore & Taber - 2 -
b. Estimated 100-year Probable Earthquake
W1ldomar-Elsinore: < 1 Mile to Site 6.6 Probable Richter Magni tu de 0.43 Peak Ground Acceleration
May 20, 1988
4. Earthquake-induced flooding is possible but would be of very limited extent. Wave over-topping from seiches poses an even lesser threat, The probability against failure of the Lake Skinner dam is considered very favorable,
5, Under seismic shaking of a 100-year probable earthquake (M~6.6) or greater, the analysis indicates that localized lenses of semi-compact sands and sandy silts may have a potential for liquefaction. Based on the exploratory borings the potentially 11quefiable soil deposits are highly lenticular and limited in thickness. Consequently, you determined that the potential for severe distress to the planned structures due to liquefaction during an earthquake is low.
Your report recommended that:
1. All proposed structures be setback at least 50 feet from the Alquist-Priolo Zone Boundary,
2. Use of seismic design criteria normal to the area (U.B,C.) should be utilized unless the structural engineer requires more specific seismic data.
3. Placement of footings on a compacted fill mat and stiffening of all footings with reinforcing steel should be sufficient to mitigate the liquefaction potential. Specific procedures will be recommended in the Foundation Report for this facility.
It is our opinion that the report was prepared in a competent manner consistent with the present "state-of-the-art" and satisfies the requirements of the Alquist-Priolo Special Studies Zones Act, the associated Riverside County Ordinance No, 547, and the Riverside County Comprehensive General Plan. Final approval of this report is hereby given,
, Moore & Taber - 3 - May 20, 1988
We recommend that the recommendations concerning seismic hazards in this report be adhered to in the design and construction of this project,
SAK:rd
Very truly yours,
RIVERSIDE COUNTY PL NNING DEPARTMENT Roger S, Streeter - Plannin Director
c.c. Colborn-Currier-Noll Architecture Earl Hart - CDMG Nonn Lostbom - Building & Safety (2) Gloria Maciel - Team 1
•.
AP 2 I }8
MOORE & TABER GEOTECHNICAL ENGINEERS AND GEOLOGISTS 4$.30 EAST LA PALMA AVE:.NUE •ANAHEIM, CALIFORNIA 92807.
SAN DIFClO
BAKER!:)!- IC.Lil
TEL.5:PHONE (714) 779 • .2~91 rAX ~ (714) 779- S377
Advanced Cardiovascular Systems, Inc. c/o Colborn-Currier-Noll Architecture, Inc. 10675 Treena Street Suite 101 San Diego, California 92131
Attention: Mr. Peter Noll
RESPONSE TO COUNTY REVIEW SEISMIC STUDY ADVANCED CARDIOVASCULAR SYSTEMS FACILITY TEMECULA, CALIFORNIA
May 11, 1988
Job No. 188-26
This letter summarizes our response to the review by Riverside County Planning Department of our Seismic study (dated March 14, 1988) for the proposed improvements at the Advanced Cardiovascular Systems facility in Temecula, California. Specifically, the items outlined in the County letter dated April 14, 1988 are addressed in the order they were presented.
Item I: Liquefaction
a. A copy of calculations for the liquefaction analysis is enclosed with this letter. On page 3 of the calculation sheets the corrected ·(N1 ) 60 values from the field exploration are plotted in relation to the "threshold curves" calculated from the method outlined by Seed & Idriss (EERI, 1982). Points plotted to the right of the curves are considered non-liquefiable; points to the left of the curve are considered potentially liquefiable depending on gradation. The points plotted to the left of the curves are discussed on page 4 of the calculation sheets.
MOORE & TABER GEOTECHNICAC ENGINEERS AND GEOCOGISTS
Advanced Cardiovascular Systems, Inc. c/o Colborn, Currier-Noll Architecture, Inc. Attention: Mr. Peter Noll
Page 2
b. As stated in our Seismic Study report of March 14, 1988 1
potentially liquefiable deposits at this site are limited to very localized lenses of silty sand and silts. The clay content of most of the lenses is quite high which significantly reduces the probability of liquefaction. on the basis of the data the report concluded that the potential for distress to structures was low.
It is our opinion that the surface effect of seismic settlement or differential compaction during a seismic event would be very minimal. Placement of footings on a compacted fill mat and stiffening of all footings with reinforcing steel should be sufficient to mitigate this potential. These procedures will be recommended in our Foundation Report for the facility.
Item 2 a, b, & c Alquist-Priolo Special Studies Zone
We have compiled data showing local faulting relative to the Advanced Cardiovascular Systems (A.C.S.) property on the attached map (Plate I). The information was extracted from the following sources:
c.D.M.G., Alquist-Priolo Special Studies Zone, Murrieta Sheet, January 1, 1986.
Fugro, Inc., 1979 (unpublished), Fault Hazard Investigation, Approximately 100-Acre Parcel, A Portion of Tentative Parcel Map 13542, Riverside County, California, Project No. 79-233-01 (County Geologic Report No. 216).
Pioneer Consultants, 1983, Alquist-Priolo Special Studies Zone Investigation and Evaluation of Liquefaction Potential, Tentative Parcel Map No. 19145, Job No. 242-125 (County Geologic Report No. 278) .
Job No. 188-26 - May 11, 1988
MOORE & TABER GEOTECHNICAI.. ENGINEERS AND G~OLOGISTS
Advanced Cardiovascular Systems, Inc. c/o Colborn, Currier-Noll Architecture, Inc. Attention: Mr. Peter Noll
Page 3
This last report addressed the parcel map which included the subject property. Extensive trenching in compliance with Alquist-Priolo requirement discovered a north trending fault on the southern portion of the parcel. Examination of trench logs suggests this break diminishes to the north. Interpretation of the Pioneer data and the spatial relationship with the nearby trace of the Wildomar Fault suggests that the feature has developed as a discontinuous splay generated by deflection of the Wildomar where this principal fault passes beneath I-15. In any event, northerly projection of the Pioneer fault, if it persists to the north, indicates it passes easterly of the A. C. S. property, as does the minimum setback zone recommended by Pioneer. Other trenches for the parcel map did not discover any breaks and the Pioneer report is considered to satisfy AlquistPriolo and Riverside county requirements.
No trenching was performed on the southwest corner of the A.C.S. property due to the well-documented location of the Wildomar Fault to the west and south (see Plate I). In addition, the Alquist-Priolo Special Studies Zone boundary is southerly of proposed construction in an area on this property occupied by a primary storm drain channel which precludes future development. A structure setback of 50 feet from the Special Studies Zone boundary line has been recommended as an extra precaution.
Item 2 d. Earthquake Induced Flooding and Seiches
Field reconnaissance and study of the 1979 photo revised U.S.G.S. Murrieta, California quadrangle indicates that limited local water storage facilities (shallow, earthen reservoirs) are located immediately north of the A.C.S. property, and up stream along Santa Gertrudis Creek. Since the property is located on the flood plain margins at the confluence of the Santa Gertrudis and Murrieta Creeks, limited inundation due to earthquake-induced failure of nearby water storage facilities is possible. However, considering the volume of locally stored water and the existing A.C.S. facility drainage provisions, flooding would be of very limited extent and would not jeopardize site improvements. Wave over-topping from seiches poses an even lesser threat.
Job No. 188-26 - May 11, 1988
MOORE & TABER GEOTECHNICAL ENGINEERS AND GEOLOGISTS
Advanced Cardiovascular Systems, Inc. Page 4 c/o Colborn, Currier-Noll Architecture, Inc. Attention: Mr. Peter Noll
The largest body of water in the region (Lake Skinner) is hydraulically connected with local drainage courses via the Tucalota Creek tributary of Santa Gertrudis Creek. Both seismic failure of the Lake Skinner dam or the remotely possible over-topping by seiches could flood the A.C.S. property. In terms of scenarios, breaching of the darn poses the most devastating potential threat. The Skinner Lake dam is of fairly recent construction and incorporates design provisions for seismic loading. Therefore, the probability against failure is considered very favorable, certainly within the requirements established by the state Department of Safety of Darns.
We trust this information sufficiently meets the requirements of the county. If you should have any questions, please contact this office.
MOORE & TABER
Do,~'3:-ei-$
RCE 40516, Expires 3-31-91 DRB/DWC/ta
Donald w. Clark CEG 1091
Attachments: Local Fault Map, Plate I Calculation Sheets (4 pages)
Distribution: (1) Addressee (1) Riverside County Planning Department
Attention: Mr. Steven Kupferrnan
Job No. 188-26 - May 11, 1988
-----
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