Prepare - 54 HT220 Operator’s Manual Classify Jobsite Classify Jobsite Inspect Jobsite Follow U.S. Department of Labor regulations on excavating and trenching (Part 1926, Subpart P) and other similar regulations. Contact your local One-Call service by dialing 811 (USA only) to have underground utilities located. A One-Call referral number, 888-258-0808, is also available for both the USA and Canada. You should also call any utility companies which do not participate in the One-Call service. 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 Have an experienced locating equipment operator sweep area within 20’ (6 m) to each side of trench 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’ (3 m) of a buried electric line electric within 10’ (3 m) of a natural gas line natural gas in sand, granite, or concrete which is capable of producing crystalline silica (quartz) dust crystalline silica (quartz) dust within 10’ (3 m) of any other hazard other