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<br />RI.::;:)iJI.::IIlial JI.::"dUPIIIl.::lll (Ilw [~nrl r l~(1o Flr.mr.nt rli"rll""r'~ tlw r~lrlll~tinn nf rl'...illl'ntl~1 rll'n"ity \vlwrl'
<br />..lop""", l~nrl..lirll'O;:, or gf'otl'r},nir~l h~7~rrlo;: l'vi.;;t on ~ propl'rty)
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<br />~lluuIlIIJc\.1 Ly Rlllal DI.:II:,ily Ih.::;:,iJculi,,1 dc\!dupIUl.::lIl LC\..IU:'l.:: (lIC puu'::;lID.al CUI 1.IIIJ:,liJl.::~ .IIIJ U(hCl
<br />Iltl/',.uJ;:) .lppl.::.U::o. lu bl.:: ;:)1l[h\.iclllly lvw ill (lIC:'\.: all.::a::o.,
<br />
<br />Pvp~n~iv,.. Snil"
<br />
<br />E""pall;:);\!~ Svib un; ;:)ud~....~ J~pv;:)ib 1;1....11 ;11 ....Iay;:) tllUt ~""I_}uIIJ wll~11 wd anJ ;:)!rI;I1k. ",11\,;11 JI;CJ.
<br />\,Vlla~ tll;;:) g~vll}gi.... IUlullJ Jv~;:)\X1hill' (1oYp~n~ivt. <;;:.nil.. dn not produce the catastrophic ilnpacts of a
<br />large earthquake, their cumulative cconOlnic cost to a conununity can be considerable. Shrink-swell
<br />activity in subsurfacc soils can scriously damagc building foundations, strccts and othcr pavcd arcas,
<br />..idl'w~lk.., rllrh.. ~nd gllttPN, underground utilities, and swimlning pools. \X'hen expansive soils arc
<br />prescnt on a slopc, thcy can promotc downslopc crccl' of thc cntirc thickncss of surficial dCl'osits
<br />prcscnt on thc sJol'c (in somc cascs to dCl'ths of morc than tcn fcct).
<br />
<br />[""pall;:)i\!\'; ;:)vib al\,; pvl~111idlly pH...~",,"t dt VI l1~dl tll~ ;:)Ulf(l....~ ;11 dl~(I;:) III lludll~11I rl~";:)dlltvlI dllJ
<br />alulle, tll\'; lIudll~U;:)tl,;llI tldl1k. vI' rkd;:)dutulI R;Jo..... A IIIUJ~I"k PUkllt;,,1 \';""i;:)b fUl tll~il }JI~;:)~II""~
<br />tluvllgllvut tIn; 1l.;lIlaillJ\,;1 vf 1I11.; rlaulliuz:; AII.;", allJ ;:)itl,,;.;:)p\,;....iG.... ;:)luJi....;:) al\.... I....'-{U;I....J tv J....t....ullilll.;
<br />tll~;1 "dual pl\,;;:)\,;Il....l,; at a g;V\,;ll lu....ativll. f;bUI\,; \/-5 alu;:)tldt....::. llll.; lI11J....dyillZ:; gl,;ulvg)' uf tIll.;
<br />rl"llIlillg AI\';(? wi li....l I ""',UI L\,; u;:)I,,;J 1v ;Jl,,;u1ify (111,,;(1;:) uf l_HuLaLk \,;""1)(111;:); \!"'" ;:)uil;:).
<br />
<br />The Ull;;~'m c///!,!,mli/1 Building Code contains tninitnunI rC<luirenIcnts for constnlCtion on expansivc
<br />soils. Thesc re'luirements havc bccomc morc stringcnt sincc the 1970~s and carly 1980~s whcn a
<br />nmnber of Pleasanton's residences were constructed and have since suffered sonIe structural and
<br />foundation damagc duc to cxpansive soils. 'l1,C City has adoptcd policics which now rc,]uirc a soils
<br />cnginecr report for developmcnt in arcas of modcratc to highly cxpansivc soils, and all buildings in
<br />thcse areas tnust be constnlcted according to the engineer's recomtnenuarions. '111C engineer tnust also
<br />inspect piers and foundations for cotnpliance with the recotnmendations \X11ll'rl' ~pf'rific' gc'otl'rhnlr~1
<br />rppo1.t" iclpntify "Yp~n~ivc' ..nik. tlll'Y tnll"t ~ddrl'~';; hnw thn",' 0;;0;1.. m~y irnp~rt cl"vl'lnpnll'nt \\'Ilwrp
<br />"mrr~ntl'cl, thp..,' rppnrt.;; mll..t inrll1clp m;tiwtinn, "11r},~... nVl'r_PYr~VM;ng t"./l'~n"i"C' ..nil" ~ncl rC'pl~ring
<br />tlwm ,"vith "lItt~hlp tTI~tpn~l..
<br />
<br />c;"olng;r H':I'J'~rcl Ah~tptl1l'nt ni...trirt (r..H" 11)
<br />
<br />Tn ~r,'~<;;:' mn"t prnnt' to l~ncl~licl,... or ntlwr gl'nlnwr h~'J'~rcl.., tllP rl'J' m':lY rC'clllirp till' p"t!lhli..h1npnt nf ~
<br />(;,l'nlngjr H!l7~rd r\h~tl'llwnt n;..tnrt (r..HAn) ~... '1 rpc}llirpml'flt fnr clpvl.lflpmf'nt r..HAI)" ~rt'
<br />di"tnrN fnrmN! "lwrifir~t1y tn ~,ldrl'"'' gpnlngir rnnrl'rn.. "(;,f-IAll n'~y Iw fnnlll'cl tn prpvpnt,
<br />mltiwtp, ~hM", or rnntrol ~ gpolngir h~7~rd ~ncl -:ll..n tn ~h~tp ~tnll'hlr~1 h~7~rcl~ th~t ~rl' p~rtlr or
<br />wholly r~II"l"d hy gf'nlngir },!l7~r,k A "gl'oloWr h~'J'~rd" i~ hro-:ldly dpfilll'cl ~" !In ~rhJ!l1 or thrp~tl'tll',l
<br />l~nll..licll', bnll "lIho;:idl'nrl', ..oil pro..ion, or ~n)' othpr n~tllr~l nr IInn~hlr~1 n1nVPtllc'nt of bnd nr f"lrth
<br />'l1,p fnrm~tinn nf ~ l;H A TJ ",nI11d nnt ~l1r"v dpvplopmf'IH in ~rl'!I" othl'n\ll"l' thnllght tn hl' 1I11"t-1111" or
<br />~t n"k dill' tn g"fllngjr h~7~rd" hllt \"flllld ~"~l1rl' th'lt hilklctl' llpvplnpml'nt infr"~tnlrtllrl' "'lIeh ~"
<br />c1r~in~gr ditrhp", "Ilhrlr~in.., pro..inn prntPrtinn, ptr rl'n1~in prnpl.rly n,~int!linPll "lIrh !I" tn ~cll'lltl~tl'ly
<br />rnntrnl gpnlngir h!l7~rd n",k.;;
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<br />Tl~1ll~8'-' th~t i.. tlw rl'';;lIlt of ~n p~rthl}ll~kl' or f~lIlt mO\lpmpnt ,.. "ppr;fir~lIy l'Yt'mptl.d frlllll rC'IVl'r~g('
<br />hy thp (;'H r\ n, in p-:lrt I1pr~II"" th" ~""l'....ml'nt.. to inrlnrlp prntPrtion frrull l~nc1 1llo"pmpnt dill' tn
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<br />)>ublicSarclyl182906.mJlinc
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<br />V-IO
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<br />City CoullciI8/29/2006
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