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Fedaral Ragintar / Vol. 59. Na. 2~ / Tuesday, October 31. 1989 / Rulee aad Regulations- 439"9 <br />pART192E-[AYEHOED7 <br />gubpart Y-{A+n+rtd*d1 <br />i. By eevisiag thn authority citeEaa fot <br />gubpert M af part 1928 ta cead ae <br />Iallows: <br />AutSaeity: Sea IQ7. Cac¢md W ork Houn <br />aad Safety Slandacdi Aet (Cananvctlan <br />5alery Aet) (40 USG 331F Sea. 4. 4 G <br />Oecvpatlooal S4fery aad Hedt4 AboY~ <br />(19 U3C W. L53. e571: Seatt+rY [ L <br />Onic Na. tz-n (se F[t 9754), 5-7e (13 FR <br />134591. oe 9-8] (4e FR 7375a). u apQl{eable. <br />and 29 GR P+ct 1911. <br />2 By tevising subpart P of part 1928 to <br />read as Eollowa: <br />suey.rt v--Exem50•d <br />5ee <br />1826.B3a ScaPa ■PPtluto0. u+d defivitlom <br />appllrahle to tSie su6pnrt <br />IS?d.051 Gena-al rrquirezi<nta . <br />1g26,Ey2 RequireeenL+[orpnteceve <br />rystm,- <br />AppendEa A m Subp+ct P-SaU Q1"'Scsa°° <br />Appmdi: a m sui,.~ p_sapE=8 +°d <br />Beoching <br />Appmdt: C m Subp.ct P-'Ilmbar Shorla4 <br />!a'h+ob" <br />pppeod[: D to 3ubP+K p-A••••il"••••• <br />Hydnutie 3bodci tae'hmm'ued . <br />AvPmdiz 8 to SubpaR Y-ANa"tlva to <br />Tim6.r5Sarini <br />/1ppenA: F m Subput P..Sdecdm ot <br />pmudSire, Sy+tain+ <br />Supput p-Fspvatlona <br />AatSQity. Sea IPI. Contact Worka Hom'+ <br />and Sdery Sundudi Act (Coestrvuctlao <br />SafeQ' Ael) (40 US.G =k Sra 1. 4 4 <br />Oa,~apatloaal SaLry aud Haalth Aet o! 1?A <br />(79 USG 653. 655. 667k Seaet+rY oiLbds <br />Order Na IZ-R (se PR VU). 3-7e (n FA <br />15O6G4 ar 9-SS (4e FR 75TlEJ. a~ applhabL. <br />aad m CFR paTt 1811. <br />sa~.pv Scope, w.~s. <br />(a) Scape and applicatian This <br />subpar[ applln to all opea excavatioas <br />made ia the earth'a surfau. Exwvations <br />em defiaed to iaelude hxaches. <br />(b) De(rnitians applicable to •his <br />subpart ' <br />Accepted engineerirg prac:ices meann <br />these iequurmmte which are <br />eompatible with staadetda of yrectice <br />required 6y a registered profeaa{oaal <br />engiaarz• <br />AJuminum Xydraulie Shorirtg meam a <br />px-engineered shortng eystem <br />eampriied a[ alumiaom hydraulic <br />ryllnden (aoeshracee) wed tn <br />wnjunetioa with vertical reils (uprights) <br />or harizantal raila (walere). Sueh aydem <br />ta deeigied. epecificelly rosupport Ihe <br />ef an excavatlon and prevent <br />Bel1 botam pierhaJe means a type at <br />daR r foatia8 exuvetlaa tha battom <br />of whi u made larget than the acai <br />secyo abbve to focm a belled ihape. <br />Ben :.^.g (secrhlag rystem) menro a <br />metho of pratecGng employees Irom <br />cave-ILs by ucavating tha sida o[ an <br />excav tioe to torm ane or n eedes aE <br />horizo tal levela ar stepe. uaually with <br />verti a: aear-vertlcal aurfecea <br />betwe a Ieve!s. <br />Cc in eeaea the seperation oE a <br />mnea E noil ar rodc materis] ham the <br />side a an excsvatloa ar the lons o[ sail <br />from der a 4ench ehield or suppoR <br />ryate and its euddee movemrnt Into <br />the e vaeoa either by [alliag or <br />sll tn au.RCient quanCty w that it <br />eould eaCap, bury, ar otherwix Injure <br />and' oS'u:e a penoa <br />Co pe:znt penan meaas one who te <br />eapa le o[ [deaufyiag exi3ting aad <br />predi taSle hauzards m the antrouadinge, <br />oz wo }c=s wcditionn which are <br />'tar~~ ha:ardoue, or daqgero~v to <br />GIDpI yeea. aad who ha.e authorizadm <br />to take pronpt cor.ective mesaurn to <br />elimk ate L4ea <br />e bryca+ mesa the horizantat <br />mem e:a of a shoring syetem iaataDed <br />perpe diealar to the eides af the <br />occa atlan. the ends of which bear <br />ag ' t eithec uprighta ar weles <br />F.x vauan menns aay men-mede cut <br />cavi . Cvci or depnuioa in an earth <br />sarfa fotaed by eerth removel- <br />Fa a tides means the vertlcal ot <br />{n ' earth iurfaees formed as e <br />msu] of uravatlan Work. <br />F ute meaas the b=eakage. <br />d(ay cammt or pecmaneat detormatioa <br />of a hac:nral membet ar caanecCOn w <br />u w redum Ita ~uuctural inte~ritY aad <br />tb ppartlve capabilitles. <br />y our atmoaphere meaas ea <br />aCn fpblSt Mb1Ch bj~ Rai06 O{ bG1II$ <br />ocpt eive. tlammabla poisanoes. <br />ive. a~ddiua& lrcitatin& mxYSen <br />de$ 'mt twd4 ox atherwi+e A°.,*F,l <br />may eause death, illnesa, or Injuay. <br />/G cut meana the aeddental nleaae <br />or f'Iue of a coaa brace. <br />plote,ctive ayatem meeai a methad af <br />pmt cdr.g employees Irom cavrina, <br />froix, matertal that could fall or soll fivm <br />an cavatlan feca ar intc an <br />ex vetloa or ham the collapse of <br />adj eeat strucriues Pratectlve tystems <br />incl de ~upport eyeteme. aopiag aad <br />~ rystema s~eld eyItsma and <br />o~ ayetems that provide the <br />a ~rY Flfltecttan. <br />R~mp aeaai an latlined vveDdng or <br />w~c1ng rurfau thet Is used to geia <br />acceea to aae paiat from enothers and (s <br />eomtruc:ed 6om eerth or from <br />thucturel materlala auch usteel or <br />MOOd. <br />liegiatered Pro(esslarral Engineer <br />meens a yenan wha is cegistered aa ■ <br />pm{eastoosl eagineu in the state where <br />the work b tn be periormed However. a <br />pro(ess{oml engiaeer. regiatered ta nay <br />state L deemed tn be a'1egistend proleeelonal engineet' withln lhe <br />meaaing of this atandard when ~ <br />approving deei~a far "manufattured <br />pretecttve eystema" or "tabulated data" • <br />to be used ia iatentate commema. , <br />Sheetirrg meaa+ the members oi a <br />shortng syetem that retaia the earth in <br />poeitian aad Ia tum are rupported by other memben of the sharing syatem. <br />Slu'eld (Shield eystem) meam a <br />itructure that ie a6le m with+tand ehe <br />torcn impoud an It by a cavria and <br />t6;seby protect eciplayea within t6e <br />ttruchna Shielda csa be pzrmeneat <br />sRnchuxa or can be deeigned to he <br />partabie and moved along as waric <br />ptogceaees. AddiGooally, shields cen be <br />either preciaaufectund ar jobbuilt in <br />a«ordaace with 4 iste.a1 (c)(3) or <br />(e)(4). Shields uaed ta Cnaches +re <br />naually refeaed m sa "Reach bmcn" ar <br />"treach ahielda." <br />Shoriftg (Shoriag ryatemJ means a <br />struciure sueh as a metal hydrauli4 <br />mechanieal or timber ahoring ryetm <br />thet suppoYa the aidn af an occavalian <br />aad which is deaigned ta prevmt uvc <br />ins. <br />Sidrs. See "Faces." <br />Slcpir;g (Slapiag ryetsm) meana a <br />method of pmtect[ng emplayen fram <br />nve-tns by ezcaveCng W focro sidea of <br />an ezcavatien that ue iaclined away <br />fmm the esravetiaa w as to p:evmt <br />avr}aa.'Ihe angle of (acliaa requi.-n' W <br />peevmt a mvrtn varin wilh <br />di¢amcss ia inrh factan u the aoil <br />type, envitonmental coadiGOm of <br />ocpo~nLe, sad appllcatloe ot sutcltarge <br />lOIdL <br />Slable mck means neturel soitd <br />miaetai maierial that taa be occaveted <br />with vart(csl sides and will tema1a <br />latact ivhl]e ezpoeed. Umtable mvc ia <br />toniidessd to be stable wEm Ihe rock <br />material an the side ar i:des ot the <br />ucavatlaa is seau'ed n8ain+t ca'rin8-in <br />or movemeat by rock bolts or by anuther <br />pcotecefva ayetem thet hee 6em <br />dnigaed by a regintered yrofeeaianal <br />tngiaeer. <br />Struet=uvl ramp means a ramp 6vilt oE <br />steel or wood. vsuaIly naed for velucle <br />icttsy gnmps made of wil n rock +re <br />aot oomidered shuctural rampe. <br />SuppoK aystra meeaa a structure <br />such as nnderp;^"nO. 6redng. or <br />_ <br />ghoring. which pcvvides euppoR to an <br />adja«nt ehvcture, unde'grouad <br /> <br />-75 <br />