Laserfiche WebLink
r) <br /> Do not walk under cranes, backhoes, shovels drill rigs, or other heavy equipment a ui ment that <br /> may fall or descend on you. <br /> In a UST removal operation, hazardous concentrations of toxic tc vapors and oxygen <br /> exclusion are likely to occur in the excavatio i. Site air quality is monitored using a <br /> photoionization detector(PID). If gasoline v pors exceed 75 ppm, respirator use is <br /> required. If gasoline vapors exceed the lowe explosive limit (LEL) of 1%, (1,000 <br /> ppm), the site will be evacuated immediately. Personnel must not enter the excavation <br /> unless vapor concentrations are at safe levels atmospheric oxygen is at a normal <br /> level, or protective equipment is in use to mitigate these hazards. <br /> Excavation Equipment Hazards <br /> Most commonly, power excavation equipment such a backhoe is used in excavating UST sites, <br /> removing USTs, and collecting samples. Safe work practices include: <br /> When moving a backhoe off-road, pay particular attention to obstacles in the route of <br /> travel. Walk the route first. <br /> Have an assistant guide the driver when in cl se proximity to hazards or if clearance <br /> is at a minimum. <br /> Be certain of the status of utilities (energized, charged, etc.) in the area of the <br /> backhoe. Call Underground Service Alert (8(0-642-2444) for assistance in locating <br /> utilities. <br /> 4 <br /> Consider overhead lines to be energized. Wa ch for sagging lines when entering a <br /> site; call the utility for assistance in moving them. <br /> Make sure the site is clear of obstructions, debris, etc., prior to beginning excavation <br /> work. <br /> Maintain proper housekeeping around and on the backhoe at all times. <br /> Keep floors and access steps or ladders free o obstructions and excess grease or oil <br /> that could cause a surface to become slick and dangerous. <br /> Store gasoline only in approved flammable storage containers with spark arresters. <br /> Check excavating equipment prior to startingwork; repair or replace faulty items. <br /> Watch for slippery ground and backhoe surfaces when mounting or dismounting the <br /> platform. <br /> Unattended excavations must be adequately barricaded or otherwise protected. <br /> A-6 <br /> r <br />