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EXCAVATIONlTRENCHING WORKSHEET <br />Trenches are not conlined spaces; however, atmospheric testinp must be peAortned contlnuously if there is: <br />1. Machinery running that could contaminate the trench wilh carbon monoxide (CO) <br />2. Underground siorape tenks or pipelines that may heve leaked into Ihe aurcounding soll <br />3. Known Iandliil or dump slte that could migrate flammable or noxious vepors into the trench <br />4. Any condition that could conlam(nate the atmosphere In the area <br />TRENCH CHECKLIST <br />Have underground utilitles been located7 <br />Are sides of excavation stable� <br />Are proper traffic control devices In use7 List: <br />Are all spoils, malerials and equipment more than 21eet Irom the excavation edges7 <br />Is shoring sloping equiredl <br />Is there standing or weeping water in the :rench4 <br />Is a means ol communicatlon with emergency responders provided? LisL• <br />Ra�io Dispatch• Phone 911• CIN Phono 9-911 <br />Is shoring rated lor excavation? Tabuleted data must be kept on site. <br />Is a ladder or ramp available out of the trench every SO leet? <br />Is there a possibiliry of hazardous atmosphere? <br />Comoetent Person <br />Return Completed Perlfiit to Safety within 2�fNorkiny� L)/a,►� / <br />S:Vdhiunm�Excavation�Excavation checklisl.dx 2I5�01 '�/9 <br />