ARCHIVED REPORTS XR0012559 - Laserfiche WebLink

Home Browse Search

� tY i o Do not use more rope wraps than ore required to hoist o load. e • Never operate a colhead(of perform any other task around a drill , Oo not leave a cothead unattended with the rope -topped on the rig) with loose unbuttoned or otherwise unfastened clothing or when drum. ' I contact with the opera• • Position all other hoist Opera- wearing gloves with large culls or loose straps or lacings. lines to prevena ' ting cothead rope. • When using the cothead and rope for driving or bock-driving, mo 6c sure Ihot all threaded connections ase light and slay as for away as possible from the hammer impact point. • The cothead operator must be able to operate the cothead stand- *ng on o level surface with good, firm footing conditions without des- traction or disturbance. 16. Safe Use Of Augers The lollowing general pro;rdures should be used when starting ' a boring with cominuous flight or hollow-stem auge": e Prepare to start on auger boring with the drill rig level, the clutch or hydraulic rotation control disengaged, the transmission in low gent and the engine running at low RPM. t. p e Apply an adequate amount of down pressure prior Io rotation to r seal the auger head below the ground surface. it • Look at the auger head while slowly engaging the clutch or to- cation control and starring rotation. Slay clear of Ih-auger' • Slowly rolale the auger and auger head while continuing to apply a, t down pressure. Keep one hand on the clutch OF the rotation control at all times ur+til the auger has penetrated about one loot or more be- low ground•surloce. • ll the auger head slides out of alignment, disengage the clutch or hydraulic rotation control and repeal the hale starting process. o An auger guide can focilifole the starting of a straight hale through hard ground or a pavement, The operator and 1001 handler shou'd establish a system of re- The r ponsibility for the series of various aclivices required lot auger dWIF rilling, such os connecting and disconnecting auger sections, and r inserting and removing she auger fork. The operator must assure Ihc: , .. • Do not use a rope shot is any longer than necessary. A rope the lool handier Is well away from the auger column and that the that is too long can form a ground loop or otherwise bec,:tre entangled auger fork is removed before starting rotation. -iih the operator's legs. S'ya