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_ w <br /> •" � tea.. . - _ e ��.. • <br /> • Excavations shall be inspected by an IT-qualified person after every <br /> rainstorm or other hazard-increasing occurrence, and the protection <br /> against slides and cave-ins will be increased if necessary. <br /> • Appropriate access methods, such as ladders, shall be used to enter <br /> or exit the axca:ation, Under no circumstances is it permitted to <br /> ride backhoe bj"ckets, etc, to enter or exit the excavation. <br /> Trenches more than fcu; feet deep shall have ladders or steps located <br /> so as to require no more than 25 feet of lateral travel between ;Weans • <br /> of egress. Ladders shall be placed at an angle not more than 30 <br /> degrees from vertical and secured as necessary. Ladder side rails <br /> - shall extend at least three feet above the original ground surface. <br /> 4.9.5 .Confined Space End - <br /> Entry into confined spaces is not anticipated. However, if it is necessary, <br /> entry will be performed in accordance with all applicable federal and state <br /> regulations. Steps that will be followed prior to employee entry into. a <br /> confined space include: <br /> N • Employee training and indoctrination of confined space entry proce- <br /> dures prior to performing any such work. <br /> 'i Initial hazard assessment will be completed that includes atmospheric <br /> testing of the confined space for, at a minimum, oxygen. content, <br /> flammability, and toxic contaminants. <br /> • Mechanical ventilation, as appropriate, will be prc:1ded. <br /> _. The "Inspections and Tests for Entry Into Confined...5paces" for;',r must <br /> be completed and posted prior to entering the space - <br /> • Supplied air respirators shall be required for confined space entry <br /> if preentry atmospheric testing indicates contaminant concentrations <br /> greater than two times the TLV. <br /> • Entry shall be made while wearing a lifeline and harness that is <br /> manned by a standby person. <br /> 4.10 SANITATION <br /> 4,10.1 Potable Water <br /> • An adequate supply of potable water shall be _rovided at_the_work <br /> ___-____- __.____._�______.__._____._ ___ <br /> - --------- -Site. . <br /> Portable containers used to dispense drinking water shall be capable' <br /> of being tightly closed, and equipped with a tap. Water shall not be <br /> dipped �om the contai <br /> f, ner. <br /> 0-21 <br /> A:ENG:9204-AppD/031191 <br /> y, <br />