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and the find ial responsibility for its mitigatavn, if required. The designer will then <br />determine the Mitigation rNuired and sce that action is taken fur Its implementat m <br />7< Thirty melt and lamer eorrag€ited and spiral rib steel and aluminum PTO are approved for <br />use fior x inlinePlication s enly Met- pipe is not approved for catch basin connector <br />rples, private Service. lines, ete. <br />8, All joints shall be meted and vaterti&. Metalplge laid on curves shall have vw tided'Dr <br />gasketed, mite ljoints to ensure watertightness. <br />9, fb <br />'4�'her metal pipe is used beluvv� the normal water. table, the ef% etouoyant forces shall <br />be chocked and shall notlir-Weator than the weight of thepipe and backfill. <br />10, Wl&ere COITGSIVC inn"trial waste is present in storm water effluent, steel pipe will not be <br />allowed when either the steel or the bittrrr_mnaus invert pr9tection mater al maybe <br />damaged._ <br />I1} 17!ng of -mmtal pipes shall be based can hydraulic requirernents, assuming no interior <br />coating or paving. <br />11 Msnn ng's ., value for mil pjm shalt be as listedIn tI e ODOT Hydraulics Manual <br />(At+�®x A. Chap�t R itst% ilte vltt In ate'€Irl" rr "Iaian�un' ceIuitit. <br />13, Steel and aluminum pipe shall not Beth be used in the same storm drain system within the <br />write continuous lirir between two fuanh of <br />14. Metal pipe may not be appropriate in all sltu ttions, Eath prVosed application shall be <br />analyzW to Bete nine if metal pipe should be used. <br />. Malat Pipe Oc4an Policy, November 7011 . <br />PIDS Manual 2016, Appendix I -1 1-1-2 <br />