Prepare - 24 SK500 Operator’s Manual Classify Jobsite Classify Jobsite Inspect Jobsite Inspect jobsite and perimeter for evidence of underground hazards, such as: – “buried utility” notices – utility facilities without overhead lines – gas or water meters – junction boxes – drop boxes – light poles – manhole covers – sunken ground Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and other similar regulations. Contact One-Call (888-258-0808) and any utility companies which do not subscribe to One-Call. Have an experienced locating equipment operator sweep area within 20 feet (6 m) to each side of work path.
Verify previously marked line and cable locations. Mark location of all buried utilities and obstructions. Classify jobsite. Select a Classification Jobsites are classified according to underground hazards present. NOTICE: If you have any doubt about jobsite classification, or if jobsite might contain unmarked hazards, take steps outlined previously to identify hazards and classify jobsite before working. CMW If working . . . then classify jobsite as . . .
within 10 ft (3 m) of a buried electric line electric within 10 ft (3 m) of a natural gas line natural gas in sand or granite which is capable of producing crystalline silica (quartz) dust crystalline silica (quartz) dust within 10 ft (3 m) of any other hazard other