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25 <br /> <br /> <br /> <br /> <br />Sloping and Benching <br />(The terms of this manual are intended to follow the OSHA regulations <br />regarding protective systems. These regulations are found in 29 CFR -1926.652). <br /> <br /> <br />A Sloping and benching are methods to protect employees from cave-in s. When <br />an excavation is sloped in order to avoid cave-ins the angle of the slope shall not be steeper <br />than one and one half (1-1 ½) horizontal to one (1) vertical, or no steeper than 34 degrees <br />measured from the horizontal. This slope shall apply in Type C soil as described by the <br />Appendix attached hereto. <br /> <br /> <br />B. In order to determine maximum allowable slopes and permissible configurations <br />for benching, a Competent person as defined by OSHA shall design the slope or <br />configuration in accordance with the conditions and requirements set forth in Appendices A <br />and B to 29CFR 1926.652. Employees shall seek the direction of a RIC-MAN Competent <br />Person in order to create the slope or configuration that is permitted in the soil conditions <br />encountered by the excavation operation. <br /> <br />Designs Using O ther Data <br /> <br />An Employees of RIC -MAN shall seek the direction of a RIC-MAN Competent Person <br />in order to create the slope or configuration that is permitted in the soil conditions <br />encountered by the excavation operation. The Competent Person may use tabulated <br />date other than the data found in the Appendix of the OSHA standards in order to crea te <br />slope or configuration. However, the Competent Person shall assure that the tabulated <br />data is approved by a registered professional engineer in writing . Moreover, the data <br />must be in writing, the project conditions and soil conditions that dictate the d ata must <br />be in writing and clearly explained, the limitations if any, of the data must be in writing, <br />and one copy of the data which identifies the registered professional engineer who <br />approved the data must be maintained at the job site during the construction of the <br />protective system. After the construction is complete, the written data may be stored off <br />the job site, but a copy must be maintained in RIC- MAN's records. <br /> <br />B. In the event that RIC -MAN chooses not to design a slope or configuration in