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Report (26) GeoPacific Engineering, Inc. Job No. 15-3729 Lot 12 Olson Woods crawlspace ventilation, building material selection and mold prevention issues, which are outside GeoPacific's area of expertise. We have prepared this report for Windwood Homes, and it should not be relied upon by third parties without consulting GeoPacific. Within the limitations of scope, schedule and budget, GeoPacific attempted to execute these services in accordance with generally accepted professional principles and practices in the fields of geotechnical engineering and engineering geology at the time the report was prepared. The conclusions and interpretations presented in this report should not be construed as a warranty of the subsurface conditions. No warranty, expressed or implied, is made. The scope of our work did not include flood hazard evaluations, environmental assessments, the presence or absence of wetlands; or potential hazardous substances in the soil, surface water, or groundwater at this site. We appreciate this opportunity to be of service. Sincerely, GEOPACIFIC ENGINEERING,INC. <tirEp PRDFFssI �G �GIN9 O. 'x' 1474 i 4 r OREGON til • 'eo, S D.IMS` EXPIRES:06/30/201/ James D. Imbrie, P.E. Geotechnical Engineer _ ,,0.#7 . „4._ . 1 . r\nbTdot-i-- oo--74 1 - ------_---_- -Tip , , • ,,,„ :.• ' „ * '-',t ; A REI . LAP4 - 5 cpA, ,.- _.---- ---- --- .: -------_ ..7. _•••-7-.".. • . . : - - _.11••_.-- r.. .. 0a..... . *4 to'1.p° .=.0.•a.'O; O e. . . _„......----- .coNT.„, Lis 0 •••••••• el. No. -- - -- ..o.•o• 5ACIGFIL ' LL ,- , 4 .„ ,,., c_j_ ,/.. . ' ID/ FREE-0, - -NINL3 41i, r t, ..--_,7_47_24010:40.1.7.01/11..•••••11W1.•. , .. ' .. GRANUI_A. ,TAT. -- so. o.4Po-406-so-•o . . . FULL OF I-IEEL __. _____.pp-:........•...".0.•.z.g - .• . --"j- 0.•OX/o.,*()-4,00 . R, \ /1 ----..--,":1•••os:P•0*...5"..(0".11. . : '''9•'""' 0•.0.1'0.60 " 5AR "1-1" VERTICAL° °;1'b;a° . .. rif a .. ' ._.... _-___PD-o o o.6,o-•o.,•o - = f4 - ------, • • • . . i•e e e .41 . . 4.t.,' '. , * ,\ 1='ERF PIPE •0:•° . A ,. 464. . 4% • )6.0.6117.1•4 ...'. i't''-'-' ,...',' W/ FILTER 6, .-,, :.0.7.6,ipo - • 1,.,),4. ,,„, . --1- FABRIC j:)..•;.**,..•''..•';., . '''''.-.7 ''g'4 "11N- -',. •°P:I'0;SO.6°‘ .*: LEVELiGR. ../ E3AR .0. •(07.1,11ei.. .6111'.9111 -,,, ',.,.. .,.P ,, *0.* ,•t'4 ••0 •0..1 : - A - - 1-10RIZ__,_160o.v......-.• . . < . . _,„:... . , ... 016," O.G. ek:•,,,•*.i.0.0 6,'' , (1 1-10RIZONTAL)0;71v '.:(11ill• -' - - - ------------- li:d 03.1r2vIll- •• 7, ....._. ,.. 0 7 , . . . . • *. ' 7 1 t- ' .. ' ' 4'' 3" CLFR : ' ''',7„,..1,14' -1 - -, a..cuR , • . , -./• ,, *. r ' C\ ''''-1,:'1°' • —:--;ir --4/ - • • . - - - • • - • . . ' \ \ , .a r, . rr.rtrtj -.....—.... . .... . .- ..- ... ...,+.......... . , --- -,.. -..,.... ...... -. r... .,.,....., .. a ' • ''r C a" A • F'c = 5,0i?)0 es1 / / / , . Fy = 670,000 PSI 5 / 5E3p = 1,500 p6F / - 40 P6FiEOUIvALE1*IT FLUID PRESSURE - '-• ,, . ETAINING WALL DESIGN . , .. . -,1.4 - A - 0C . es SAR "1"1" SAR "N" SA IR 60' Pt , . 4'-0° 5" ' it-5° '2'-10' *4 *ED Ii3' OZ. *4 6 lail O.G. *4 6 la" O.G. 151' 31-2' 4'-e," *4 * le' 0.C. *4 * 15° O.G. *4 0 15° O.G. 15' -4...,10' e,'-2" *4 6 9' O.G. *4 e 18' O.G. *5 * 15" O.G. 15' 101-0" I'142' 6,14.• t3'-2!:, *5 6 9' O.G. ..*4 6 18" O.G. *5 0 S° O.G. 15" , ... The O1LNER/E5UILDEFZ MUST CONFIRM TI-IAT TWE SITE SPECIFIC CONDITIONS-AND REaMTS MEET TWE DESIGN PARAMETERS OF TI-IIS RETAINING WALL. PLEASE DIEC1 . ,, if.. ALL INQUIRES TO TI-IE:CONTACT INFO'RMATION PRO Jo" .0 ON TI4E ATTACI4E0 RETAINIINVALL DESIGN CALC *NS :r . a ,,... ' . , , • ' ' - T A I :.,..,i4 I WALL . . I JING SCALE 2 = - '.4.... 4 .., ,..',1 RWNSV , .. , ,, ,. .,, , „ . •