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K <br /> t <br /> OPERATING PROCEDURE NO. HS-509 <br /> fig <br /> j ' 509.0 SAFETY GUIDELINES FOR DRILLING INTO MOIL ANA ROCKS <br /> 509.1 PURPOSE <br /> Ira <br /> i <br /> I Ir <br /> � # The purpose of this operating procedure is to provide <br /> guidelines for safe conduct of drilling operations with truck- <br /> :. mounted and other engine-powered, drill rigs. The procedure <br /> k.4 <br /> addresses off-road movement of drill rigs, overhead and buried <br /> utilities, use of augers, rotary and core drilling, and other - <br /> drilling operations and activities. <br /> w i <br /> 509.2 APPLICATION <br /> F ' <br /> rte. i <br /> ,- ` The guidelines shall be applied in all WCC/WCFS projects <br /> in which truck-mounted, or other engine-powered, drill, rigs are <br /> used. The guidelines are applicable to WCC employees and WCC award <br /> rigs. For drill rigs operated by contractors, drill rig safety is <br /> the responsibility of the contractor. <br /> W t <br /> 509.3 RESPONSIBILITY AND AUTHORITY i <br /> Brill rig:safety and maintenance is the responsibility of <br /> the drill rig operator. i <br /> HAS-PRO509 . HS-509-1. November 1990 <br /> - <br /> � r <br /> rm <br />