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KING COUNI'Y,WASIIINCi'CON,SURfACG 1VA7L•R UGSIGN IviANUAI. <br /> Nn�Discharging N:ucr Visu;d cvidcacc uf m;ncr discharging:u l'r�hirh mus�bc rcdcsigncd or <br /> 1'ropcdy cunccntntcJ points along Ircnch(nunmil nbuih�o sianJarJs. <br /> � condilion is n'shcctllow"u(��•�tcr along <br /> trcnch). Inlcnl is io prcvcnl crosion Jamagc. <br /> Pcdora�ions I'IuggcJ Ov�v onc half uf p�Tfomtiuns in pipc are Clcan orrcplacc perfor;nccl pipc. <br /> pluggcJ�viih dcbris miJ scJimcn�. <br /> \l'atcr Plows Ou�"fop M;�iNcnancc person ubscn��wntcr ilowing facili�p must bc rcbuilt or <br /> uf"Distributor"Caich uw Juring any stunn Icss Urm�hc dcsign slonn rcJcsigncJ io s�and;irds. <br /> Basin ur ii is causing or app�;irs li:,cly in causc <br /> Jainngc. <br /> liccciriug Arca \1'alcr in rccciving nrca is causing or ha, �u J;mgcr u(IanJ,liJc;. <br /> O��cr-Saiur.ucJ pmcntiul nf r,iusing IanJsliJc pruhl�hns. <br /> Inicrnal: \Vom nr UamagcJ Struclurc Jissipa�ing Ilow dctcriumic.w onc- Rcplxc swclurc�o Jcsign <br /> M;mhulc'Chamhcr Pus�.Bal7lcs.SiJc of hallb(original sirc un any cunccntmt�Yl uom standarJs. <br /> Chambcr sput cxcceding onc syu:�rc(ooi,which�coulJ <br /> makc suunurc unsuunJ. <br /> O�hcr Uciccls Scc"Caich Hasius"S�anJarJ Nu.3. Sre`Ca�ch Ba.ins'SLmJard <br /> . Nu. i. <br /> NO. 6 - COM'Isl':1NC1•: til"ti'I'I�:�1S (PIPI�:S fi UI'1'CIIEti) <br /> Nuinlcnancc Dcfec� Conditiuns R'hcn 1lainlenancc is Nccded Rcsulls Expccled��'�en <br /> Cnnq�onenl plainteuance is Nerfunned <br /> � I'ipc, Scdimcn�&Dcbris AccumulaicJ scdimcm ih:n estttids?0°b of ihc Pipc cicancJ ul'all scJimcnt anJ <br /> diamcicr of ILc pipc. Jebris. <br /> \'cgc�a�ion Vcgc�aiiun ihai rcJucts frcc moccmcnt of All ecgcimion rcmov�d so�ra�cr <br /> �c;ucr�hruugh pipa. Ilo�vs licclq�hrough pipcs. <br /> U.un:ir.cd I'rut�Ylivc co:ning is Jam�gcJ�rusi is r.msing r���•«•�,:��«d�,�r�•�i;���d. <br /> mom Umn SU90 Jctcriom�ion to any p:n�nl <br /> pipc. <br /> :\ny Jcm dia�J�Yrcases thc cross.�xtion arc� I'ipc rcp;iircd ur rcplaecd. <br /> nf pipc by murc Ih�n ZU°o. <br /> Upcn Uiichc. �I i:nli.\ Pchri, �fr;ish:md dc6ris cxcttd� i ��n��r�,�,��« �r�i,���a a�n��t�i�„�,�ir„��� <br /> I,OUO squurc(�Yt of Ji�ch anJ slu�ns. di�cha. <br /> ScJimcm Accumula�cJ s�tlimcm�hat c�c�tids 20°,o uf ihc Uilch clr:mc�'lluahni uf all <br /> �.ksign dcp�h. scJimcN:md Jcbris so ilr,rt it <br /> motchcs d�sign. <br /> \'cgc�a�ion Vcgclaliun�hat nJuccs(r�v:nmv�hncm of 1Va��T Oows irccly�hrough <br /> �cat�t Ihrough Ji�ch�y. Jitch�s. <br /> lirosion Damagc tn Scc'PonJs'S�anJarJ Nu. I. Scc`PonJs'StandarJ Nu. I. <br /> tilupcs <br /> RixA Lining(Nt of ^laimcnancc pcnon can scc na�ire suil brncath Replacc nxks to J�sign standarJs. <br /> Placc or Missing �hc rnck liniuti. <br /> ��r:��i,s��i>i��. <br /> � (':nch Ra�in. Scc"C:tich Basins'SLWnJarJ No. i. S�ti'Catch Basins"Si:md;vd <br /> Nu.J. <br /> (�%�nr•.iea� 1 <br />