WAC 296-17A-0103. Classification 0103

0103-09 Drilling or blasting: N.O.C.

Applies to:

• Businesses engaged in drilling operations for others not covered by another classification (N.O.C.); and

• Blasting operations not covered by another classification (such as the blasting of rock in connection with highway, street, or road construction).

Types of drilling include, but are not limited to:

• Drilling of holes in rock for shot holes;

• Exploratory well drilling; and

• Well drilling for oil, gas, or water.

Work activities include, but are not limited to:

• Digging holes using equipment.

Equipment used include, but are not limited to:

• Auger drills;

• Bits (size will vary depending upon the terrain or material to be drilled and the depth and size of holes to be drilled);

• Drilling rigs; and

• Jackhammers.

Exclusions:

• Drilling operations performed in connection with concrete or building construction is classified in the construction classification applicable for the work being performed;

• Drilling done in connection with all types of underground or surface mining and quarry operations is classified in the applicable mining classification;

• Blasting performed as part of building demolition is classified in 0518; and

• Pile construction is classified in:

0202-02, Pile construction: Driven method; or

0202-06, Pile construction: Drilled method.

0103-10 Geophysical exploration: Seismic detection of the mechanical properties of the earth

Applies to:

Businesses engaged in geophysical exploration, by seismic detection, of the earth's subsurface.

Work crew occupations include, but are not limited to:

• Computer analyst;

• Drillers;

• Observers;

• Permit person;

• Shooters;

• Surveyors; and

• Party chief.

Work activities include, but are not limited to:

• Using the seismic detection method - dynamite blasts simulate miniature earthquakes. Earthquake detectors record the vibrations.

• Taking photographic records.

• Interpreting the data collected to develop a contour map of the rocks and their foundation, often to depths of several thousand feet

it person;

• Shooters;

• Surveyors; and

• Party chief.

Work activities include, but are not limited to:

• Using the seismic detection method - dynamite blasts simulate miniature earthquakes. Earthquake detectors record the vibrations.

• Taking photographic records.

• Interpreting the data collected to develop a contour map of the rocks and their foundation, often to depths of several thousand feet.

Exclusion:

• Geophysical exploration without seismic detection is classified in 1007.