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;TANDARDS PRESENTATIOto <br /> TO Pg of ` <br /> CAUFORNIA OCCUPATIONAL SAFETY AND HEALTH STANDARDS BOARD <br /> CONTENT <br /> A ` <br /> N M PROPOSED STATE STANDARD, I Fede <br /> E E TITLE 8, CHAPTER 4 Stand! <br /> W N <br /> D Seco <br /> Numb <br /> This bench allowed in cohesive soil onl / <br /> TYPE B SOIL <br /> / <br /> i <br /> i S20' Max. � <br /> r <br /> J- <br /> 4' / 1 <br /> Max. <br /> -- 4' Max. <br /> Multiple Bench <br /> 3 • Al excavations 20 feet o <br /> ess <br /> have vert icall sided lower ortions shall be shielded <br /> or su orted to a hei ht at least 18 inches above the <br /> to of the vertical side. All such excavations shall <br /> have a maximum allowable slo e <br /> Support or shield system <br /> TYPE B SOIL <br /> 20' Max. <br /> 1 <br /> 1 <br /> 18" Min. <br /> Total height of vertical side I <br /> Verticall Sided Lower Portion � � <br /> 4 . All other slo ed excavations shall be in II <br /> accordance with the other oDtions ermitted in <br /> 1541. 1 (bl_ <br /> II <br /> IV-14 <br /> ! OSHS8-98(A 18n <br /> 9 <br />