620.10 DRILLING.

   (a)    General. 

      (1)    Drillers shall wear goggles when starting or blowing out holes or at other times when there is danger from flying particles;

      (2)    Drillers shall wear hard toed shoes;

      (3)    The rock face shall be trimmed of loose boulders that might roll down on the driller before drilling is started;

      (4)    Drillers shall, when possible, stand facing the rock face in order to better observe any movement of rock above them;

      (5)    Drillers working close to the bottom of the face or at the foot of a bank of broken rock shall wear hard hats;

      (6)    Repairs or adjustments to air connections shall not be made until the air pressure has been removed from the line;

      (7)    Drilling in the "boots" of old drill holes shall be prohibited, since unexploded dynamite may be concealed in the boot;

      (8)    Safety belts and life lines shall be used when barring down dangerous banks;

      (9)    Bars used in trimming banks should be blunt on one end;

      (10)    Soft metal hammers shall be provided to loosen drill steel in a hole. Hardfaced hammers shall not be used;

      (11)    Trench holes to be charged and line holes shall be drilled at least twelve inches below subgrade.

      (12)    When holes within ten feet of any structure are to be charged with explosives, line holes shall be drilled on a line parallel to the structure and as close as possible to same for protection.

   (b)    Toe Hole Drilling.

      (1)    Toe hole drilling, especially under high banks, is unusually hazardous and care shall be taken to trim the bank before a hole is started;

      (2)    Drillers and helpers shall wear goggles when blowing out a hole with a blow pipe;

      (3)    Two men should work on each machine when drilling toe holes;

      (4)    The machine shall be lowered to the lowest possible position on the mast of a wagon drill when not in operation;

      (5)    The hoist cable supporting the machine on a wagon drill shall be inspected frequently;

      (6)    Soft metal hammers shall be provided to loosen drill steel in the hole. Drillers shall be prohibited from using hard-faced hammers to hammer the steel.

   (c)    Well Hole Drilling. 

      (1)    Electric drills shall be grounded when in operation;

      (2)    Employees shall never work under a suspended string of tools. The tools shall be lowered to the level of the platform;

      (3)    Because of splashing mud, employees should be cautioned to keep their heads away from the collar of the hole after water has been added;

      (4)    Men working at the top of the mast shall wear safety belts;

      (5)    The well drill or churn drill shall be stopped before greasing the machinery and parts;

      (6)    Electrical repairs should be made only by qualified personnel;

      (7)    Electric cable shall be kept out of water as much as possible. Slack cable shall be coiled in a safe place;

      (8)    Operators shall be warned of danger when working near power lines;

      (9)    Oil and grease shall not be allowed to accumulate on the floor around the machinery;

      (10)    Good housekeeping shall be required on all drilling machines.

         (Ord. 1968-3. Passed 1-12-68.)

   (d)    Whoever violates or fails to comply with any of the provisions of this section is guilty of a misdemeanor of the third degree. Punishment shall be as provided in Section 698.02. A separate offense shall be deemed committed each day during or on which a violation occurs or continues.