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HomeMy WebLinkAboutCT 73-23; NORTH WESTERLY OF POINSETTIA AND LOWDER LANE; SOIL INVESTIGATION; 1975-02-03----------------,.--------------------------- . : . ~. , February 3, 1975 Work Order 100361 Rj3spectfu II y submitted, e·· PACIFIC SOILS ENGINEERING~ INC. By: 31 . " . Dist: (5) Addressee . (1) WilHam G. Church Engineering Attn: Cal Woolsey AlJ:RPK/scb .. ' .. . . ~ . '. . . ~' , ~ .. ,' :'. Page 2 Reviewed by~ iLl2~ REX P. KETTlER, R.C.E. 15251 General Maooger •• .I • . ~ :' , " ·t , : :.... ~ . .. . ' . . ' . ...... .... ", !. -." PACIFIC SOILS ENGINEERING, INC. :'1" . . . , . 1",_ , . ~. ~ ...... '. !,.~ ",{ .. ! ' A .~" "., .. :.',;.':' : ... ;.> .. ::;. ... :~ .... ' J~ • :.. '.:.:':" ~. .:. :., " .... .... ," i ., .... : .. : ... .', .. , .f'... .. ',', :',' . .' .. ' :", . , .: .. );.' " , : .. ' . ':" ';;'~ ., , .: ", ~:;.:: ::: "':,:'.-~::r:,':~" ':T" :,~:;" .j:: I-. CHART .FOR ESTIMATING YEARS '.': .. \ .. <,.-:~ .. ~.\ ..... :... TO PERFORATION OF.METAL·CULVERTS '.-.:' . .,; .. ·.;·.··:.::Ci:(~i:::' .' . '.' .'.'-: ,I .. I . . .' '. '. .'. .. ..' .:'·}M'!:: . " .,' ~ . ';,:; ."':' ~ . :' .. :. : ........ : .. :---.. ·.·,:···:.pH:'OF ENVI'RONMENT NORMALLy '.' . ., . ..::....... '. ..:'.<. ~;~ .. :;'~~;:,: .. , .. /~ .. \ .. ::. : ....... GREATER TH~N 7.~~ :.::" .. ' .... .', '., . '. '·;': .. :~'·':~I~L1':· ":: .. i. ~ 50 ... ' ..' .' YEARS = I 84 ROAI ,..~.,. . ' .. l'l~ "'\\ ........ :, .. ;;:.' .. : .. ;;.~; . .. ' ~..... '.' R = MINIMUM RESISTIVITY'. .' --:.:... j, 1~i' /,./X "-~:·.~::~t} .'!.,' .:'. ~ :: .. ' : L:: :/:' .. :: .... '<::.:, ~ .' .. ;. ' .... :: 40 ."," ' ," W :;-.-. ~'. (,!) . ' .~ . : -' l"""4. ".1 (!). . . " . . . pH OF ENVIRONMENT' NORMALLY . . LESS THAN '7.3 . ."'" ... .. EARS=17.24[L09IOR-LO.9Io(2160-2490·.L09~o pH)] , . .', .... " THICK.-IN~ 0.0790.109 0.138 0.168 . " :.... ' .. ~ 30 FACTOR 11.311.81.2.3 12.8. :V1 I 1:/ /' , Z MULTIPLY YEARS TO . .. GAGE .14 12 10' 8 · ~. ,:' ~. 'PERFORATION BY FACTOR.'. ' .. "" '. ':. « FOR INCREASE IN METAL· : ,': .... :.' 0:: 20 GAG E '. --..:....-· .,' . 0 • '" .... lL. · .'. :.' '. ". et: ; ':'" .' . "'. W '. a.. i .. : . 10 -.c of r:y:y I :;.rci-i7l'-1 17' 7' IX" 1/1. II I I I I I ! I I I I I I '0 I 7:7 ~ 7 .~ ", ",',' .' ", ",f', , ~~, • ,J :': ,:, ~ .:':, ;;:,~"1;~:' :',' : . ' 'I' ,', ; : ::.:..!~ ~ ~'f>:J:~ . ': ~ "':.; . .'~ ," . ~ "::.,,0,::-:.':, :ii>;; '~ . , • '" I ,.:~. ',!, :/" ::?:;;;',,:' ~,~ L ,0' L. . III II I1II I I 1111111 '.' I . I I IIIII1 , ... :-';, ' " ~ °10 .... :-' .: ..... ;'. "-,,,,:':'1.09 ,. :":;/"'::'. ".' .... 1000 ', ... '. '. 10,000 100,000. ". "1 ~ "", " .... ....'; :'«:'}'-;'::.;:, '. i,:,:"::::<":,' MINIM~M R~lsM~Y iR)-oh~.cm nACo IFI'C' SOILS ENGINEERING ·INC .. .:,.:) .. ~:.:.:> ":"::":':).}~';': ~. ' .. l'·~: ; .", .. ~ , ' . ~ \ . . . .: ,'. ..... .; ... '., . . '., .. '. , '...,..... . r ~ , . Q ....... / .:: .. "-::-.:' .. ; .. >-, ... -'.: .. ':.' .... /, ... :~;., .. :"':'-.·i::--:···:"·~ ::.:': .. ':'::',.. -',' ,.:.... .":, FIGURE'II ' . .-..... ' .. : 17921SkY·ParkCircleDr. Irvine Calif. I " • I.. . ,'.... . '. . , :'" ;.,' ',', :' '; ".:";':. '/:' .. : :.)': :,::',.:' './:.;.,' , :.: .• :'; i.' ....: . ..:.: ' ". . .:: .:... <.. . . . ... . .._ '. '. ". • ..,. . II .V\1':.: , .... , .. '.',' . :" ;,.: ........ ,,"'. ' .. ' .. :"." .... , ' ..... : '.' ....... : .... ' __ ... :'. ' ...... (714) 557 9450. . . ". ..~>;:.<;: .. '. ".;" ,",::' ' .... ':.: :\"::: .... ::,: .. : .... :'.;.:,>.:::'~.:.<?:';\ .. {;::.\.:~ .. '::./.': .. !.;;.: .. :, ... :(.:-.' ... <:.:.':; ";";'.' ':',:\ ..... :':'. . :;:11.:':: ... ~...,.~~~ .-? o:::r .7?r