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As a minimum, the following rules shall be strictly observed: <br /> • Excavations into which employees may be required to <br /> descend shall be sloped (1-to-1) , benched, or shored, <br /> if they are more than five feet in depth. <br /> • Excavation spoils shall be placed no closer to the <br /> edge of the excavation than one excavation depth away. <br /> • No employee will work adjacent to any excavation until <br /> a reasonable examination of same has been made to <br /> determine that no conditions exist exposing them to <br /> injury from moving ground. <br /> • Trees, boulders, overhead lines or cables, and other <br /> surface encumbrances located so as to create a hazard <br /> to employees involved in excavation or in the vicinity <br /> thereof at any time during operations will be removed <br /> or made safe before excavating is begun. <br /> • Excavations shall be inspected by an IT-qualified <br /> person after every rainstorm or other hazard- <br /> increasing occurrence, and the protection against <br /> slides and cave-ins will be increased if necessary. <br /> • Appropriate access methods, such as ladders, shall be <br /> used to enter or exit the excavation. Under no <br /> circumstances is it permitted to ride backhoe buckets, <br /> etc. to enter or exit the excavation. <br /> ' Trenches more than four feet deep shall have ladders <br /> or steps located so as to require no more than 25 feet <br /> ' of lateral travel between means of egress . Ladders <br /> shall be placed at an angle not more than 30 degrees <br /> from vertical and secured as necessary. Ladder side <br /> rails shall extend at least three feet above the <br /> original ground surface . <br /> Confined Space Entry <br /> Entry into confined spaces is not anticipated. However, if it is <br /> necessary, entry will be performed in accordance with all <br /> applicable federal and state regulations . Steps that will be <br /> followed prior to employee entry into a confined space include: <br /> • Employee training and indoctrination of confined space <br /> entry procedures prior to performing any such work. <br /> • Initial hazard assessment will be completed that <br /> includes atmospheric testing of the confined space <br /> A-27 <br /> MA:ENG:9262-AppA/041291 <br />