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,IM Vied "RoutlftovPER blIMpoMe i� to the nearest power line when the mast is raised and/or being <� first specific recommendations for land-based drilling op ions fi raised If this horizontal distance is less than 100 ft (30 m), � consult the local utility company and refer to OSHA REG 29 CFR f 1910180 before commencing operations Keep in mind that both hoist lines and overhead power lines ' #' can be moved toward each other by the wind o In order to avoid contact with power lines,only move the drill �A rig with the mast (derrick) down a If there are any questions concerning the safety of drilling I on saes in the vicinity of overhead power lines, call the power ti company The power company will provide expert advice at the drilling site as a public service and at no cost i Electricity is as dangerous underground as overhead Be ON aware of and always suspect the existence of underground 4 , utilities such as electrical power, gas, petroleum, telephone, sewer and water o If a sign warning of underground utilities is located on a site boundary,do not assume that underground utilities are located on or near the boundary or property line under the sign Call the utility and check it out The underground utilities may be a con siderable distance away from the warning sign Always contact the owners of utility lines or the nearest OFF underground utility location service before drilling Determine Jointly with utility personnel the precise location of underground utility lines, mark and flag the locations, and determine jointly with utility personnel what specific precautions must be taken to ensure safety 12. Supplying Power to the Job Site tl Drilling projects sometimes require around the-clock opera- i4 tions and, therefore, require temporary electrical lighting In =i general,all wrong and fixtures used to provide electricity for dull a Before working on an electrical power or lighting system, mg operations should be installed by qualified personnel in lock-out the main panel box with your own lock and keep the key accordance with the National Electrical Code(NFPA70-1984)with an your person at all times consideration of the American Petroleum institute's recom- o install all wiring using high quality connections,fixtures and f mended practices far electrical installations for production wire Be sure that the wiring is insulated and protected with facilities (API-RP-5006) fights should be installed and posi- tioned so that the work area and operating positions are well consideration for the drilling environment Do not use makeshift t� -22- 21-