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~ <br />~ <br />Fedaral Registee / Vol. SI. Na. * J Tueaday, Oetaber 31.1989 / Ruln and Regulettons <br />Shariag or nhielding elzete <br />aa the method of proc etion. <br />Soil elaasification is <br />• vhen shoring or ahield <br />ueed. 7he excavation <br />vith one of the follov <br />opiions: <br />required <br />ing ia <br />st comply <br />'n;, foar <br />` Option 1 <br />51926.652 (c)(1) which <br />equiree" <br />Appendiees A and C[o <br />e folloved <br />(e.g. timber shoring) <br />Option 2 <br />$1926,652 (e)(2) vhieh <br />equires <br />manufacturers data to <br />e folloved <br />(e.g. hydraulie ehori <br />g,treneh <br />jacka, air shores, shi <br />ldn). • <br />Option 3 <br />' <br />S1926.652 (e)(]) vhich <br />equires <br />[abulated dats (sre de <br />inition) <br />to be folloved (e.g. <br />ny ryatem <br />ae per the tabulated <br />ta). <br />Option 4 <br />S1926.652 (e)(4) vhich <br />qvirea <br />ehe exeavation eo be de <br />aigned <br />6y a regis*.rr•d proEeee <br />ionai <br />engineer :e.g, any deei <br />ned <br />•ystem). <br />, <br />FICURE 3- SHORINC AKD SHIELDINC OP7ION5 . ~ <br />[PR noa ea-zuv F~tea io-aa-rr, e:45 .m] <br />Oltl110 COM Yl►iC ' <br />~ <br />